EP4408653A2 - Bande transporteuse d'évacuation - Google Patents

Bande transporteuse d'évacuation

Info

Publication number
EP4408653A2
EP4408653A2 EP22799867.1A EP22799867A EP4408653A2 EP 4408653 A2 EP4408653 A2 EP 4408653A2 EP 22799867 A EP22799867 A EP 22799867A EP 4408653 A2 EP4408653 A2 EP 4408653A2
Authority
EP
European Patent Office
Prior art keywords
starting material
web
station
conveying
embossing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22799867.1A
Other languages
German (de)
English (en)
Inventor
Bastian Schalk
Erik ALBERT
Vitali KREBS
Marco Schwarberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH
Original Assignee
Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102021125090.0A external-priority patent/DE102021125090A1/de
Priority claimed from DE102021125147.8A external-priority patent/DE102021125147A1/de
Priority claimed from DE102021125083.8A external-priority patent/DE102021125083A1/de
Application filed by Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH filed Critical Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH
Publication of EP4408653A2 publication Critical patent/EP4408653A2/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional [3D] articles
    • B31D5/0039—Multiple-step processes for making three-dimensional [3D] articles for making dunnage or cushion pads
    • B31D5/0073—Multiple-step processes for making three-dimensional [3D] articles for making dunnage or cushion pads including pillow forming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional [3D] articles
    • B31D5/0039—Multiple-step processes for making three-dimensional [3D] articles for making dunnage or cushion pads
    • B31D5/0043—Multiple-step processes for making three-dimensional [3D] articles for making dunnage or cushion pads including crumpling flat material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0017—Providing stock material in a particular form
    • B31D2205/0023—Providing stock material in a particular form as web from a roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0017—Providing stock material in a particular form
    • B31D2205/0035—Providing stock material in a particular form as fan folded web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0047—Feeding, guiding or shaping the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0058—Cutting; Individualising the final products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0064—Stabilizing the shape of the final product, e.g. by mechanical interlocking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/007—Delivering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
    • B31D2205/0082—General layout of the machinery or relative arrangement of its subunits

Definitions

  • the present invention relates to a device for mechanically producing a three-dimensional packaging product from a web-shaped starting material, in particular from paper. Furthermore, the present invention relates in particular to a device according to the invention
  • Packaging product manufacturing device manufactured packaging product and a system from a device for producing a three-dimensional packaging product from a web-shaped starting material and a starting material supply.
  • a packaging product can therefore also be referred to as a shock-absorbing filling material product.
  • a three-dimensional packaging product is formed by deforming a two-dimensional paper web stock in a predetermined manner to produce the three-dimensional packaging product indefinitely.
  • Waste paper is being used more and more frequently for the paper material, primarily for ecological reasons. However, due to its inhomogeneity, it is difficult to reshape, especially if the three-dimensional packaging product can always be produced uniformly and as simply and economically as possible.
  • the web of packaging material can be made from paper, such as recycled paper, in particular waste paper and/or 100% recyclable paper, which can be produced without chemical ingredients.
  • Recycled paper is, in particular, paper material with a low proportion (less than 50%) of fresh fiber paper material. For example, paper materials containing 70% to 100% waste paper are used.
  • the recycled paper within the meaning of this invention can be paper material which can have a tensile strength index in the machine direction of at most 90 Nm/g, preferably a tensile strength of 15 Nm/g to 60 Nm/g, and a tensile strength index in the cross-machine direction of at most 60 Nm/g. g, preferably a tensile strength of 5 Nm/g to 40 Nm/g.
  • a standard DIN EN ISO 1924-2 or DIN EN ISO 1924-3 can be used to determine the tensile strength or the tensile strength index.
  • a recycled paper property or waste paper property can be characterized by the so-called bursting resistance.
  • a material in this sense is recycled paper with a bursting index of at most 3.0 kPa*m A 2 /g, preferably with a bursting index of 0.8 kPa*m A 2 /g to 2.5 kPa*m A 2 /g.
  • the DIN EN ISO 2758 standard is used to determine the bursting index.
  • the packaging material has a mass per unit area of in particular 40 g/m2 to a maximum of 140 g/m2.
  • the starting packaging material can be in the form of a roll of web material or a zigzag-folded stack of packaging material, which is also referred to as a leporello stack.
  • EP 2 711 167 Bi An example of a generic packaging product is given in EP 2 711 167 Bi.
  • the longitudinal edge strips of the paper web are essentially loosely rolled inwards.
  • a central connecting section or middle area which connects the two rolled-up longitudinal edge strips of the paper web section and which each create a crumple cavity.
  • an embossing is introduced to stiffen and fix the longitudinal edge strips of the packaging product, which is formed by a sequence of valley and elevation sections.
  • the laterally rolled cushion section which delimits a cavity to form a crumple zone, should be significantly thicker than the embossed central area.
  • a generic packaging product manufacturing device is known for example from US 2021/0023808 Ai.
  • the packaging product manufacturing device comprises the following components, viewed in the conveying direction of the web-shaped starting material: a preforming station for forming lateral crumple cavities; an embossing station for embossing the center portion of the preformed paper web; a severing station for severing packaging products of a specified length from the preformed paper web; an output device via which the separated packaging products are discharged from the packaging product manufacturing device.
  • the dispensing device comprises a pair of opposed conveyor belts which are driven by a common motor in order to actively convey the packaging products towards a removal opening of the machine at which the packaging products can be removed.
  • the conveyor belts are arranged symmetrically with respect to a central axis lying between them and are inclined in such a way that the conveying path delimited between them decreases continuously, starting from an end on the side of the separating station towards the removal opening.
  • the severing station in US 2021/0023808 Ai also includes a blade of the guillotine type, which is mounted in such a way that during a cutting process it executes a cutting movement in the vertical direction in the direction of gravity.
  • the packaging product manufacturing device comprises a forming station, at which the web-shaped starting material is formed into a three-dimensional packaging product. Three pairs of drive wheels are integrated into the forming station, which are responsible for drawing in and conveying the starting material. A stamping station with two stamping gears is arranged downstream of the forming station, by means of which a central section of the preformed packaging product is deformed and stamped.
  • the device further includes a motor that drives both the coining gears and the drive wheels. The driving force is first transmitted to the embossing gears and finally to the drive wheels via a belt drive.
  • a major disadvantage of the drive kinematics of WO 95/31296 Ai is that the force is often deflected over very large distances. Several gears are necessary to transmit the power to the various consumers.
  • the inventors of the present invention have also recognized that there is a need for small paper packaging products, ie paper packaging products whose width dimension is reduced transversely to the longitudinal extent, because these can be integrated more easily in narrow volumes to be padded in packaging cartons or bags.
  • packaging products of the generic form with a corrugated, longitudinally extending embossing section and laterally symmetrically adjoining, tubular crumple cavities which were produced by integrally forming a web-shaped starting material, were always produced to a fairly uniform size, the constraints of the paper material as well as the packaging product manufacturing devices intended for the production did not allow a width of less than 15 cm.
  • the inventors of the present invention have now succeeded in providing a packaging product making apparatus capable of producing packaging products of the above structure with a width of less than 15 cm.
  • the object of the present invention is to overcome the disadvantages of the prior art, in particular to improve a device for producing a three-dimensional packaging product from a web-shaped paper starting material in such a way that the risk of a paper jam is reduced and/or an existing paper jam in a simpler way can be removed and/or that it is optimized in terms of force flow and/or installation space and/or that a clean separation of packaging products is ensured more reliably.
  • an apparatus for producing a three-dimensional packaging product such as a cushioning product, from a sheet-like Starting material, such as a single or multi-ply paper web, provided in particular made of paper.
  • Waste paper is being used more and more frequently for the paper material, primarily for ecological reasons. However, due to its inhomogeneity, it is difficult to reshape, especially if the three-dimensional packaging product can always be produced uniformly and as simply and economically as possible.
  • the web of starting material can be made from paper, such as recycled paper, in particular waste paper and/or 100% recyclable paper, which can be produced without chemical ingredients.
  • Recycled paper is, in particular, paper material with a small proportion (less than 50%) of paper material containing fresh fibers.
  • the recycled paper within the meaning of this invention can be paper material which can have a tensile strength index in the machine direction of at most 90 Nm/g, preferably a tensile strength of 15 Nm/g to 60 Nm/g, and a tensile strength index in the cross-machine direction of at most 60 Nm/g. g, preferably a tensile strength of 5 Nm/g to 40 Nm/g.
  • a standard DIN EN ISO 1924-2 or DIN EN ISO 1924-3 can be used to determine the tensile strength or the tensile strength index.
  • a recycled paper property or waste paper property can be characterized by the so-called bursting resistance.
  • a material in this sense is recycled paper with a bursting index of at most 3.0 kPa*m A 2 /g, preferably with a bursting index of 0.8 kPa*m A 2 /g to 2.5 kPa*m A 2 /g.
  • the DIN EN ISO 2758 standard is used to determine the bursting index.
  • the packaging material has a mass per unit area of in particular 40 g/m2 to a maximum of 140 g/m2.
  • the starting material can be in the form of a roll of web material or a zigzag-folded stack of packaging material, which is also referred to as a leporello stack.
  • the device can be dimensioned and designed in such a way that it is miniaturized, ie dimensioned significantly smaller than corresponding devices from the prior art and/or is able to produce significantly smaller packaging products. This can satisfy the demand for small packaging products.
  • devices according to the invention are being made available to meet the demand for smaller and smaller ones Storage areas for such packaging product provision devices fair. For example, as a rule of thumb for the overall dimensions of generic devices, it was required that these should not exceed the external dimensions of a standard industrial pallet.
  • devices according to the invention have an overall dimension of less than 650 mm in length in the conveying device, less than 450 mm wide transversely to the conveying device and less than 300 mm high transversely to the conveying and width direction.
  • the device according to the invention can be designed to produce small or miniature packaging products or cushions.
  • Such small or miniature packaging products can have a length in the conveyor of less than 30 mm, a width of less than 120 mm, in particular in the range of 80 to 90 mm, and a height of less than 40 mm, in particular in the range of 20 to 30 mm.
  • the apparatus includes a preforming station which forms the starting material into a three-dimensional intermediate product having at least one crush cavity extending in the direction of the web.
  • the shape of the intermediate product can essentially correspond to the final packaging product.
  • the packaging product is then produced from the intermediate product.
  • the preforming station includes a funnel-like wrapping or rolling device, which wraps or rolls the paper web laterally in the transverse direction as it is transported into the device, so that the longitudinal edges of the paper web, which are provided, for example, by means of a leporello stacking source, are essentially folded over one another in the middle of the paper web are.
  • a deformation station in particular an embossing and/or perforation station, with two carrier rollers, in particular embossing and/or deformation wheels, can be connected to the preforming station in the conveying direction of the starting material, which engage in one another in a deformation area in order to turn the folded or rolled starting material web into the upholstery product to deform.
  • This specific upholstery product comprises an essentially central longitudinally extending deformation area, in particular an embossing and/or perforation area, on which two in the transverse direction connect lateral cavity crumple zones, the lateral end of which also forms the end of the cushioning product.
  • the device can produce a paper padding product that is essentially dumbbell-shaped in cross section.
  • the device also includes a separating station which follows the preforming station in the conveying direction of the starting material and which separates a packaging product of a desired length from the starting material.
  • a separating station which follows the preforming station in the conveying direction of the starting material and which separates a packaging product of a desired length from the starting material.
  • Cutting devices and means commonly used in the generic type come into consideration for the severing station.
  • the device according to the invention comprises an output device which follows the separating station in the conveying direction of the starting material and has a pair of continuous conveyors lying opposite one another for conveying the separated packaging product out of the device.
  • the continuous conveyors can, for example, comprise conveyor belts.
  • the continuous conveyors can basically be characterized by a continuous removal movement.
  • the continuous conveyors can be arranged in such a way that a section of the preformed starting material running ahead of the separating station has already been transferred to the continuous conveyors and is gripped by them, so that they experience a conveying force away from the separating station.
  • the continuous conveyors convey the separated packaging product further in the conveying direction, in particular in the direction of an output opening at which the packaging products can be removed or are output or ejected, in particular with frictional contact with the packaging product.
  • the continuous conveyors delimit a discharge channel between them, through which the packaging products are transported.
  • the continuous conveyors delimit the discharge channel in the vertical direction at the top and bottom.
  • lateral channel delimitation elements can be provided.
  • the conveyor belts can each be mounted on or guided by two deflection rollers, one of which can be driven by a motor in order to generate the conveying force.
  • one continuous conveyor is movably mounted relative to the other continuous conveyor.
  • This allows access between the continuous conveyors, in particular in the discharge channel.
  • the upper continuous conveyor is movably mounted relative to the lower continuous conveyor.
  • the moveable mounting can be implemented, for example, via a translational displacement movement or via a rotary pivoting movement.
  • one of the two continuous conveyors can be moved in and out of the device or the output device like a drawer.
  • the device can also be provided with a detachable fastening device, by means of which the continuous conveyors are fastened to one another and secured against moving away from one another, particularly when the device is in operation.
  • the fastening device can include, for example, a latching, clamping, screwing or the like.
  • one, in particular the upper, continuous conveyor is pivotably mounted relative to the other, in particular the lower, continuous conveyor.
  • the pivot mounting of the continuous conveyor has proven to be particularly advantageous with regard to simple operation and/or a space-saving option for accessing the interior of the dispensing device.
  • the continuous conveyor can be pivoted in such a way that the pivotable continuous conveyor can be pivoted beyond a 90° position with respect to the other continuous conveyor.
  • a pivoting movement amplitude of approximately 150° to 170° can be provided.
  • the large movement amplitudes have proven to be advantageous insofar as the largest possible area of intervention in the device, in particular the dispensing device, is created.
  • the pivoting movement can, for example, be designed in such a way that the discharge channel delimited by the continuous conveyors is completely exposed.
  • the packaging product that is jammed or wedged or jammed in some other way can be accessed at any point in the discharge channel. Furthermore, all other components inside the dispensing device can be reached.
  • a pivoting movement direction of the pivotable continuous conveyor is oriented in the direction of the conveying direction of the starting material.
  • the pivotable Continuous conveyor guided around at least two deflection rollers and mounted pivotably about the deflection roller oriented downstream or about the upstream deflection roller with respect to the conveying direction.
  • the pivoting of the continuous conveyor in the direction of the conveying direction ie still forward, has the advantage that a collision with the other components of the device according to the invention, all of which are located upstream of the output device, is ruled out.
  • one of the continuous conveyors in particular the pivotable continuous conveyor, is mounted in a floating manner.
  • the floating mounting can be realized, for example, by means of a spring preload.
  • a certain pretensioning force can be exerted on the packaging products via the floating bearing of one of the continuous conveyors, so that they can be reliably gripped and conveyed away.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material is provided.
  • the device can be designed according to one of the aspects described above or exemplary embodiments. To the To avoid repetition, reference is made to the previous statements with regard to the components from the preamble.
  • the output device has an upper continuous conveyor and a lower continuous conveyor opposite the upper continuous conveyor.
  • the continuous conveyors which can be designed according to the above-described embodiments, form and delimit between them a conveying channel that defines a conveying path.
  • the upper continuous conveyor protrudes over the lower continuous conveyor counter to the conveying direction of the starting material.
  • the upper continuous conveyor extends counter to the conveying direction at least as far as the separating station and/or is guided around a deflection roller on the separating station, the axis of rotation of which lies upstream of the separating station in the conveying direction.
  • the axis of rotation is located upstream in the conveying direction at that point at which the packaging product is separated from the starting material web.
  • This separation point can be defined by the cutting action in which a cutting edge or a knife of the separation station cuts through the preformed starting material.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material is provided.
  • the device can be designed according to one of the embodiments described above or according to one of the exemplary embodiments described above.
  • the preforming station converts the starting material into a three-dimensional intermediate product having two web-direction lateral crush cavities and a web-direction central attachment and/or deformation zone.
  • At least one conveyor is configured and/or dimensioned to engage between the crushable voids of the severed packaging product and to make conveying contact with the central attachment and/or deformation zone.
  • overlapping material web sections are bonded to one another. This can be done, for example, by a pair of intermeshing embossing and/or perforating wheels following the preforming station, which are set up to emboss and/or perforate the overlapping material web sections. In this way, an interlocking structure can take place between the material web sections which are arranged one above the other and which are coupled to one another in this way.
  • the continuous conveyor only enters into conveying contact with the central fastening and/or deformation zone.
  • the continuous conveyor can be dimensioned in such a way that it is free from contact with the lateral crush cavities in the conveyor contact engagement. This can mean that a width of the continuous conveyor measured transversely to the conveying direction is smaller than the smallest distance between the lateral crumple cavities.
  • the width of the central attachment and/or deformation zone is less than 30 mm, in particular between 20 mm and 25 mm.
  • the continuous conveyor has a conveying surface that is shape-matched with respect to the fastening and/or deformation zone for gripping the packaging product in a form-fitting manner.
  • the central attachment and/or deformation zone can be produced, for example, by a pair of intermeshing embossing and/or deformation wheels.
  • a mountain-valley structure, in particular a wave structure, that alternates in the conveying direction can be introduced into the conveying surface.
  • the mountain-valley structure gives the packaging product a certain stability and resistance to external influences.
  • the continuous conveyor can have a surface with reduced frictional resistance. Examples of suitable materials are polyurethane, rubber, PVC, TPU, PUR, caoutchouc or the like.
  • the coefficient of friction is in the range of 0.1 - 0.8 in relation to the contact between the paper material and the surface of the continuous conveyor.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material is provided.
  • the device can be designed according to one of the embodiments described above or according to one of the exemplary embodiments described above.
  • the device further comprises a pair of combing embossing and/or perforating wheels following the preforming station in the conveying direction of the starting material, which are set up to bind together overlapping starting material web sections along a fastening and/or deformation zone extending in the web direction.
  • the Embossing and/or perforating wheels can be set up to emboss and/or perforate the overlapping material web sections. In this way, an interlocking structure can take place between the material web sections which are arranged one above the other and which are coupled to one another in this way.
  • the device comprises a separating station which follows the embossing and/or perforation wheels in the conveying direction of the starting material and which separates a packaging product of a desired length from the starting material.
  • a separating station which follows the embossing and/or perforation wheels in the conveying direction of the starting material and which separates a packaging product of a desired length from the starting material.
  • Cutting devices and means commonly used in the generic type come into consideration for the severing station.
  • the device also comprises an output device which follows the separating station in the conveying direction of the starting material and has a pair of continuous conveyors lying opposite one another for conveying away the separated packaging product.
  • the continuous conveyors can include conveyor belts, for example.
  • the continuous conveyors can basically be characterized by a continuous removal movement.
  • the continuous conveyors can be arranged in such a way that a section of the preformed starting material running ahead of the separating station has already been transferred to the continuous conveyors and is gripped by them, so that they experience a conveying force away from the separating station.
  • the continuous conveyors convey the separated packaging product further in the conveying direction, in particular in the direction of an output opening at which the packaging products can be removed or are output or ejected, in particular with frictional contact with the packaging product.
  • the continuous conveyors delimit a discharge channel between them, through which the packaging products are transported.
  • the continuous conveyors delimit the discharge channel in the vertical direction at the top and bottom.
  • lateral channel delimitation elements can be provided.
  • the conveyor belts can each be mounted on or guided by two deflection rollers, one of which can be driven by a motor in order to generate the conveying force.
  • the embossing and/or perforation wheels and the continuous conveyor are driven by the same motor.
  • a cost-effective device can be created.
  • Another advantage is in particular with regard to the required miniaturization or the production of small-sized packaging products. By providing only one motor, components can be saved, so that the installation space required for the device can be reduced. According to the invention, a particularly compact packaging product manufacturing device can be provided.
  • the embossing and/or perforation wheels and the continuous conveyor have drive shafts.
  • the embossing and/or perforating wheels are mounted on drive shafts.
  • the continuous conveyors can also be mounted on drive shafts, which are implemented, for example, via deflection rollers around which the continuous conveyors are guided.
  • the drive shafts of the embossing and/or perforation wheels and the drive shafts of the continuous conveyor are coupled to one another, in particular synchronized with one another, via a traction mechanism.
  • the traction mechanism can, for example, be a belt, a chain or the like.
  • a power transmission that is particularly easy to implement can be implemented from the engine to the various consumers via the traction mechanism.
  • the synchronization of embossing and/or perforation wheels as well as continuous conveyors can be set or adjusted in a simple manner when using traction mechanism drives.
  • a power take-off sequence is defined in such a way that the drive shaft of the embossing and/or perforating wheels transmits the driving force to the continuous conveyor.
  • the force pickup sequence can be designed as a series connection. If the embossing and/or perforating wheels are not driven by the motor, the continuous conveyors are not driven either.
  • the traction mechanism of the continuous conveyor takes the driving force from the motor on the drive shaft of at least one of the perforating and/or embossing wheels.
  • the continuous conveyors can have a separate motor or be driven by a separate motor that is decoupled from the motor of the embossing and/or perforating wheels.
  • the device in particular the dispensing device, comprises a dispensing device housing with a dispensing opening for the packaging products produced.
  • the opening cross section of the dispensing opening can be shaped according to an outer contour of the packaging products.
  • the dispensing opening has, to put it simply, a dumbbell-shaped opening cross section that is shaped and dimensioned laterally according to the lateral crumple cavities of the packaging product and centrally according to the central deformation and/or fastening zone of the packaging product.
  • the opening cross section can be formed, for example, by the drive device housing structure itself.
  • the dispensing device housing can have guide or channel delimiting structures on the inside, which extend into the conveying path, so that the opening cross section of the dispensing device also reflects the shape of the packaging product.
  • the discharge opening comprises two lateral crumple cavity passages for the crumple cavities and a fastening and/or deformation zone passage connecting the crumple cavity passages for the fastening and/or deformation zone of the packaging products .
  • the crumple-cavity passages have a curved, almost round cross-section, while the deformation and/or attachment zone passage is angular, in particular rectangular, in shape.
  • an imaginary inner circle of the crumple cavity passages has a diameter of at least 30 mm, in particular at least 35 mm, and/or at most 40 mm and/or a maximum height of the attachment and/or deformation zones - passage is 20 mm.
  • the idea of adapting the dispensing opening to the outer contour of the packaging product to be produced is generally to additionally avoid the formation of paper jams. Due to the fact that the delivery opening and/or the conveying channel delimited by the continuous conveyors is adapted to the outer contour of the packaging products produced, the tendency for paper jamming is clear reduced, since it is significantly more difficult for the packaging products to become wedged or tilted within the conveyor channel. A further advantage is that a new shaping takes place in the area of the discharge channel and/or in the area of the discharge opening.
  • the shape of the upholstery product created in the preforming station and possibly the subsequent embossing and/or perforating wheels can still change slightly, particularly during the separating process, which can be compensated for by reshaping by means of the discharge channel or discharge opening. Furthermore, there is an advantage in that the dispensing opening serves as a visual indication of the shape of the packaging product to be produced. Users operating the machine know from the shape of the dispensing opening what the cross-sectional shape of the packaging product being produced will be.
  • the continuous conveyors are dimensioned in relation to the packaging products to be manufactured in such a way that they protrude by at least 0.5 cm at both lateral ends of a severed packaging product. It has proven to be advantageous if the width of the continuous conveyor exceeds the width of the packaging products to be manufactured. In an alternative embodiment, it is conceivable to make the dispensing opening 10 mm to 20 mm smaller in its overall dimensions than the width of the packaging product. In this way, when the packaging products are conveyed away, transverse compression can also occur, which can ensure a certain increase in stability and/or can lead to a further reduction in the size of the packaging product. This can be selected or adjusted as a function of the requirements for the packaging products, for which purpose the dispensing opening can have, for example, means for adjusting the width of the opening cross section of the dispensing opening.
  • At least one continuous conveyor has at least two conveyor sections, in particular identically designed and distributed transversely to the conveying direction.
  • the conveying sections can be set up to come into conveying contact with a crumple cavity of the preformed starting material or the separated packaging product, which cavity extends in the direction of the web. For example, they grab both conveying sections exclusively to the crumple cavities.
  • the distance between the at least two conveyor sections is matched to the width of a packaged product.
  • the width of the at least two conveying sections in the transverse direction can be smaller than the width of the crumple cavities.
  • An advantage of this design is, for example, that the arrangement of the conveyor track sections within the conveyor channel and their coordination with the packaging products can be subject to a certain tolerance, since the conveyor track sections are intended to come into contact with the crumple cavities protruding downwards and upwards in the vertical direction , which protrude so far from the remaining components of the packaging product that contact can be easily ensured by the continuous conveyor.
  • the device according to the invention comprises sensors which are assigned to at least one of the continuous conveyors and are designed to detect a deformation and/or a change in position of the continuous conveyor in order to anticipate or detect a material jam. It has been found that parameters relating to the operation, the shape and/or the position of the continuous conveyor can be used to draw conclusions about an existing material jam or to be able to predict an impending material jam. For example, the position, shape and/or ideal operation of the continuous conveyor can be calibrated, recorded during initialization and/or taken from a database.
  • the sensor system can be set up to display an error message, to initiate maintenance measures, to stop operation and/or to move the movably mounted continuous conveyor from its operating position to a maintenance position, in particular to pivot.
  • the continuous conveyor is designed as a conveyor belt and a sensor is assigned to the conveyor belt in such a way that the sensor detects a deflection of the conveyor belt.
  • the device according to the invention makes use of the fact that when material accumulates in the discharge channel, material accumulates and finally exerts pressure on the conveyor belt, which leads to the Conveyor belt sags.
  • a sensor can be assigned to the conveyor belt in such a way that the sensor detects a movement of the conveyor belt relative to the preforming station or to the opposite conveyor belt.
  • This embodiment can, for example, be combined in a simple manner with a movable mounting of the conveyor belt.
  • the material that accumulates in the discharge channel in the event of a material jam can then cause the conveyor belt to be pushed away.
  • the sensor it is possible for the sensor to include a load cell which, in the case of a rigidly mounted conveyor belt, can detect a force which is applied to the conveyor belt within the discharge channel as a result of material accumulating.
  • the continuous conveyors delimit a conveying path between them and are each guided around at least two deflection rollers.
  • a deflection roller most downstream of both continuous conveyors can be arranged at the same level as that of the other continuous conveyor in relation to the conveying direction of the starting material.
  • the continuous conveyors can be arranged relative to one another such that a cross section of the conveying path, starting from an end of the conveying path on the cutting station side, decreases in the conveying direction of the starting material down to a minimum in the area of the most downstream deflection rollers.
  • the conveying path or discharge channel delimited by the continuous conveyors can thus narrow in the conveying direction, in particular decrease continuously up to the dispensing opening in the dispensing device housing.
  • the lower continuous conveyor is oriented essentially horizontally and/or essentially parallel to the conveying direction of the preformed starting material at the level of the separating station. In this way, a reliable transfer of the preformed raw material, which is ahead of the cutting edge in the packaging product, as well as the packaging products themselves, is guaranteed to the lower continuous conveyor.
  • the packaging products do not first have to fall downwards from this in the vertical direction under the influence of gravity, but instead directly engage in conveying engagement with the lower continuous conveyor. Incorrect positioning or erecting of the packaging products within the discharge channel caused by falling down can thus be avoided. This can significantly reduce the risk of material jams.
  • the lower continuous conveyor is arranged essentially flush with a lower conveying path boundary in the area of the separating station. This aligned arrangement allows the packaging products to be transferred seamlessly from the separating station to the output device.
  • the severing station has a cutting edge which is guided in such a way that, in the cutting engagement, it cuts through the starting material transversely to the conveying direction against the gravitational direction in a translatory manner.
  • a cutting intervention is to be understood in particular as the point in time at which the cutting edge dips into the starting material web.
  • the cutting edge can dip into the starting material web over its entire depth, that is to say its longitudinal extent transversely to the conveying direction, in the cutting engagement.
  • the cutting edge can run in a straight line in this depth direction, which is oriented parallel to the width extension of the starting material web.
  • the starting material web Due to the translational penetration of the starting material web in the cutting engagement transversely to the conveying direction, the starting material web is acted upon transversely to the conveying direction, in particular with a cutting force.
  • This cutting force can cause the starting material web to be stretched in the conveying direction, in particular before the actual severing.
  • the cutting edge can be guided in such a way that it moves through the starting material web in a translatory manner.
  • the severing of the starting material web against the direction of gravitation has proven to be advantageous on the one hand insofar as the weight of the starting material web to be severed is thus oriented against the translation cutting direction. Furthermore, it is thus possible to configure the device in a modular and/or very compact manner.
  • the translational movement direction is oriented from bottom to top, i.e. against the direction of gravity, all drive, motor and transmission components can be arranged at the bottom of the device, in particular below a conveying path leading through the device, along which the Starting material web is promoted. This ensures that free access to all components processed from the starting material web is possible from above, without stationary operating, transmission or motor components in particular getting in the way. These are then accessible from below in a compact, spatially arranged manner.
  • the cutting edge works like a guillotine.
  • the cutting movement direction transverse to the conveying direction can also be oriented transverse to the planar extension of the starting material web, which is defined by the conveying direction and a width direction of the starting material web oriented transverse to the conveying direction.
  • the continuous conveyor is designed and set up for conveying away the separated packaging product, the conveying process takes place in a frictionally engaged manner between the respective continuous conveyor and the packaging product.
  • the packaging product experiences a predetermined clamping force between the continuous conveyors or by the at least one continuous conveyor.
  • the clamping force and the frictional connection are dimensioned in such a way that the packaging product is thereby held in the switched-off state of the dispenser motor, for example against the influence of gravity.
  • the first end area of the packaging product thus projects out of the dispensing opening, while the second end area of the packaging product is held by the continuous conveyor in a frictionally engaged manner. It is thus possible for the operator to pull the packaging product produced out of the discharge opening and detach it from the continuous conveyor simply by gripping it.
  • a sensor is provided in the area of the continuous conveyor, which, for example, detects the movement of the conveyor belt, or alternatively, which detects the movement of the continuous conveyor. Such a movement is triggered by the user removing the packaging product from the dispensing opening, because the packaging product is in frictional engagement with the continuous conveyor.
  • a first sensor is designed and set up to detect the movement of the continuous conveyor as a function of and/or during manual removal of the packaging product from the delivery opening.
  • the sensor is connected to a control device of the device, and also all drive motors, but at least the output device motor of the continuous conveyor, the drive motor of the conveyor device and the drive motor of the separating station, are connected to the control device of the device.
  • a programmable logic controller is part of the control device of the device, which has an executable program.
  • An operating unit is also provided, which is connected to the control device and by means of which the user can make settings and select operating modes.
  • a first essential operating mode of the device is the so-called extraction mode.
  • Another operating mode of the device is the so-called ejection mode.
  • the signal from the first sensor is evaluated by the control device and the executable program carries out a further manufacturing process for a further packaging product in such a way that this, in turn, is connected to the first End area protrudes from the discharge opening, while now the second end area of this further packaging product is held by the continuous conveyor by friction.
  • the first sensor detects this again and the executable program restarts the production process of a further packaging product.
  • This type of manufacturing process corresponds to the operation mode of the take-out operation because the user takes out the packaging products from the discharge opening.
  • the signal from the first sensor has no significant function. Because in this operating mode, a number of packaging products are continuously produced and ejected from the device through the discharge opening by means of the continuous conveyor.
  • the first sensor can be designed as a reflection light barrier, with the light beam hitting the surface of the moving element of the continuous conveyor in connection is established.
  • the first sensor is preferably designed as an optical motion sensor.
  • Another sensor can be used as an alternative to the first sensor. In an embodiment of another sensor, this is also designed as a light barrier sensor. A reflection light barrier sensor can also be used here. Alternatively, the other sensor is formed by a light barrier sensor with a transmitting unit and a receiving unit. In another embodiment, the other sensor is designed as a capacitive sensor.
  • the other sensor is now designed and set up to detect whether a packaging product is present in the area of the continuous conveyor and/or in the area of the delivery opening or whether it has been removed by the user.
  • this sensor is connected to the control unit in accordance with the above description of the first sensor.
  • the operating mode of the removal operation is also possible in this synopsis.
  • the sensor itself detects the presence of a packaging product in the discharge channel and is arranged in the area of the continuous conveyor. If the operating mode of removal operation is activated and the sensor detects the absence of a packaging product, this triggers the production of another packaging product and makes it available to the user for removal at the dispensing opening.
  • the elements of the continuous conveyor that grip the packaging product have a gap width that tapers in the conveying direction. This counteracts an operational disruption such as a paper jam in a particularly advantageous manner, because the packaging product coming from the separating station arranged upstream is picked up and gripped by the continuous conveyor in the manner of a funnel.
  • the continuous conveyor or the continuous conveyors are designed as a conveyor belt, the conveyor belt sections gripping the packaging product do not run parallel, but rather taper conically in the conveying direction, so that at least part of the funnel shape is formed and a narrowing gap width results in the conveying direction.
  • the continuous conveyor is designed as a gear train, the wheels of the continuous conveyor themselves form the funnel-like gap that tapers in the conveying direction Picking up and grasping as well as for holding and ejecting or for further promoting the packaging product.
  • a packaging product in particular a paper packaging product, which is produced from a web-shaped starting material by means of a device designed according to one of the preceding claims and/or whose width, measured transversely to the longitudinal direction of the web, is less than 12 cm and/or whose length in the longitudinal direction of the web is less than 30 cm. It has been found in the prior art that there is a great need for miniature packaging products, which can be satisfied by the packaging products of the present invention.
  • the supply of starting material can be in the form of a roll of starting material web, in particular in the form of a coreless roll, or a leporello stack.
  • a web-shaped starting material extends from the supply of starting material web into the device, in particular in its preforming station.
  • a device for producing a three-dimensional packaging product, such as a cushioning product, from a web-shaped starting material, such as a single- or multi-ply paper web, in particular paper.
  • a three-dimensional packaging product means, in particular, the transfer of a web-shaped starting material into a state with a greater extension in the starting material thickness direction than the starting material understand. Waste paper is being used more and more frequently for the paper material, primarily for ecological reasons. However, due to its inhomogeneity, it is difficult to reshape, especially if the three-dimensional packaging product can always be produced uniformly and as simply and economically as possible.
  • the web of starting material can be made from paper, such as recycled paper, in particular waste paper and/or 100% recyclable paper, which can be produced without chemical ingredients.
  • Recycled paper is, in particular, paper material with a small proportion (less than 50%) of paper material containing fresh fibers.
  • paper materials containing 70% to 100% waste paper are used.
  • the recycled paper within the meaning of this invention can be paper material which can have a tensile strength index in the machine direction of at most 90 Nm/g, preferably a tensile strength of 15 Nm/g to 60 Nm/g, and a tensile strength index in the cross-machine direction of at most 60 Nm/g. g, preferably a tensile strength of 5 Nm/g to 40 Nm/g.
  • a standard DIN EN ISO 1924-2 or DIN EN ISO 1924-3 can be used to determine the tensile strength or the tensile strength index. Additionally or alternatively, a recycled paper property or waste paper property can be characterized by the so-called bursting resistance.
  • a material in this sense is recycled paper with a bursting index of at most 3.0 kPa*m A 2 /g, preferably with a bursting index of 0.8 kPa*m A 2 /g to 2.5 kPa*m A 2 /g.
  • the DIN EN ISO 2758 standard is used to determine the bursting index.
  • the packaging material has a mass per unit area of in particular 40 g/m2 to a maximum of 140 g/m2.
  • the starting material can be in the form of a roll of web material or a zigzag-folded stack of packaging material, which is also referred to as a leporello stack.
  • the device can be dimensioned and designed in such a way that it is miniaturized, ie dimensioned significantly smaller than corresponding devices from the prior art and/or is able to produce significantly smaller packaging products.
  • This can satisfy the demand for small packaging products.
  • devices according to the invention meet the demand for ever smaller storage areas available for such devices providing packaging products. For example, as a rule of thumb for the overall dimensions of generic devices, it was required that these should not exceed the external dimensions of a standard industrial pallet.
  • devices according to the invention have an overall dimension of less than 650 mm in length in the conveying device, less than 450 mm wide transversely to the conveying device and less than 300 mm high transversely to the conveying and width direction.
  • the device according to the invention can be designed to produce small or miniature packaging products or cushions.
  • Such small or miniature packaging products can have a length in the conveyor of less than 30 mm, a width of less than 120 mm, in particular in the range of 80 to 90 mm, and a height of less than 40 mm, in particular in the range of 20 to 30 mm.
  • the apparatus includes a preforming station configured to form the stock material by radially inward folding of lateral stock material web portions of the stock material two web-direction lateral crush cavities and a web-direction central overlap zone in which the folded over Stock material overlap sections of web.
  • the starting material can be formed into a three-dimensional intermediate having at least one crush cavity extending in the web direction.
  • the shape of the intermediate product can essentially correspond to the final packaging product.
  • the packaging product is then produced from the intermediate product.
  • the preforming station includes a funnel-like wrapping or curling device, such as a convergence funnel, which wraps or curls the paper web laterally in the transverse direction as it is transported into the device, so that the longitudinal edges of the paper web, which are provided, for example, by means of a leporello stack source, are essentially in the middle of the paper web are folded over one another.
  • a funnel-like wrapping or curling device such as a convergence funnel, which wraps or curls the paper web laterally in the transverse direction as it is transported into the device, so that the longitudinal edges of the paper web, which are provided, for example, by means of a leporello stack source, are essentially in the middle of the paper web are folded over one another.
  • the preforming station also includes a withdrawal device for drawing in and conveying the starting material, in particular from a starting material supply that can be arranged upstream of the forming station.
  • the withdrawal device can Have a pair of opposing continuous conveyors, such as conveyor wheels or conveyor rollers.
  • the conveyor wheels or conveyor rollers can be prestressed against one another, in particular spring prestressed, so that a particularly elastic prestressing force is exerted on the starting material web.
  • the continuous conveyors can basically be characterized by a continuous conveying movement.
  • the continuous conveyors convey the starting material in the conveying direction, in particular with frictional engagement, in particular in the direction of an output opening at which the packaging products can be removed or are output or ejected.
  • the continuous conveyors delimit a conveying channel between them, through which the starting material is transported. As a rule, the continuous conveyors at least partially delimit the conveying channel in the vertical direction upwards and downwards. Furthermore, lateral channel delimitation elements can be provided.
  • the device comprises a deformation station in the conveying device of the starting material that follows the pre-shaping station, which can be formed by a pair of embossing and/or deformation wheels, which are set up to attach overlapping material web sections to one another along a fastening and/or deformation zone extending in the direction of the web to bind and to promote the preformed starting material.
  • the embossing and/or deforming wheels intermesh in the attachment and/or deforming zone to deform the folded or curled web of stock material into the cushioning product. This creates the central attachment and/or deformation zone in the starting material.
  • This specific upholstery product comprises a longitudinally central deformation area, in particular an embossing and/or perforation area, which is adjoined in the transverse direction by two lateral cavity crumple zones, the lateral end of which also forms the end of the upholstery product.
  • the device can produce a paper padding product that is essentially dumbbell-shaped in cross section.
  • the device also comprises a common motor for providing a driving force for the drawing device and the embossing and/or deformation wheels. Since only one motor is required for the embossing and/or perforation wheels and for the pull-off device, an inexpensive device can be created. Another advantage is in particular with regard to the required miniaturization or the production of small-sized packaging products. By providing only one motor, components can be saved, so that the installation space required for the device can be reduced. A particularly compact packaging product production device can thus be provided.
  • a power take-off sequence is defined in such a way that the take-off device transmits the driving force to the embossing and/or deformation wheels. In other words, the force pickup sequence can be designed as a series connection. If the pull-off device is not driven by the motor, the embossing and/or deformation wheels are also not driven. The embossing and/or deformation wheels and the deduction device can be synchronized.
  • the longitudinal direction of the starting material web is to be understood in particular as the direction in which the starting material is drawn off during operation from the starting material supply, such as a starting material roll, in particular in the form of a sleeveless roll, or a leporello stack, and conveyed through the device.
  • This direction can also be referred to as the longitudinal direction of the starting material.
  • the width direction of the starting material is to be understood in particular as the direction in which the starting material extends between longitudinal edges of the web-shaped starting material.
  • the longitudinal edges extend in the conveying direction.
  • the starting material width direction is the direction in which the starting material is transversely compressed as it is conveyed through the forming station.
  • a web-like starting material is to be understood in particular as a starting material which extends in particular over a surface area along the longitudinal direction (conveying direction) of the starting material and the width direction of the starting material.
  • the web-shaped starting material extends in a starting material thickness direction.
  • the extent, in particular strength or thickness, of the web-shaped starting material in the direction of the thickness of the starting material is significantly smaller than the extent, in particular Width of sheet stock in the stock width direction.
  • Significantly smaller is to be understood in particular as meaning an extent in the direction of the thickness of the starting material of at most 20%, 10%, 5%, 3%, 2%, 1% or 0.5% of the extent of the starting material in the direction of the width of the starting material.
  • the longitudinal direction of the starting material, the direction of width of the starting material and the direction of thickness of the starting material define a coordinate system with three mutually orthogonal directions, also known as a Cartesian coordinate system.
  • the coordinate system migrates with the starting material.
  • the feedstock may be conveyed horizontally from the feedstock supply to the apparatus.
  • the starting material can then be deflected in a horizontal direction in which it runs through the device.
  • the conveying direction corresponds to a vertical direction and the starting material thickness and width directions each correspond to horizontal directions.
  • the conveying direction and the starting material width direction each correspond to a horizontal direction and the starting material thickness direction to a vertical direction.
  • the coordinate system at Entry into the transformer station determined.
  • the conveyance direction and the raw material width direction correspond to horizontal directions orthogonal to each other, respectively, and the raw material thickness direction correspond to a vertical direction.
  • the coordinate system would move along with the starting material or the transversely compressed material, so that the starting material thickness direction and the starting material width direction would then correspond to mutually orthogonal horizontal directions and the conveying direction would correspond to a vertical direction.
  • the starting material width direction can alternatively be referred to as the convergence direction.
  • the convergence direction runs in particular orthogonally to the conveying direction and describes the direction in which the extent of the convergence channel decreases in the conveying direction, in particular due to the channel tapering in the conveying direction.
  • the starting material thickness direction can be referred to as the normal direction, in particular within the forming station.
  • the normal direction is the direction that describes a normal to a plane defined by the conveying direction and the direction of convergence. It should be clear that all information given above and below about the starting material width direction and the starting material thickness direction within the device, in particular the forming station, can also be made using the convergence direction and the normal direction.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material which has a preforming station which is set up to fold lateral starting material web sections radially inwards forming the stock material two web-directional lateral crush voids and a web-directional central overlap zone in which the folded over stock web portions overlap, and has a take-off device for drawing in and conveying the starting material, a pair of intermeshing embossing and/or perforating wheels following the preforming station in the conveying direction of the starting material, which are set up to bring overlapping material web sections together along a fastening and/or deformation zone extending in the web direction bind and to convey the preformed stock material, and a common motor for providing a driving force for the drawing device and the embossing and/or perforating wheels.
  • the device can be designed according to one of the aspects described above or according to one of the exemplary embodiments described
  • the motor has an output shaft which is oriented counter to the conveying direction of the starting material. This makes it possible, among other things, to keep the length of the device according to the invention, viewed in the conveying direction of the starting material, as short as possible.
  • the setback created in this way in relation to the conveying direction favors the most compact possible design of the device, in particular while ensuring power transmission that is optimized for the flow of power.
  • the motor is arranged in the conveying direction between the embossing and/or perforating wheels and the take-off device. In this way, the installation space required anyway for the preforming in the conveying direction can be used effectively to accommodate the common motor for the embossing and/or perforating wheels and the take-off device.
  • the motor has an output shaft which directly drives a drive shaft of the extraction device.
  • Direct can be understood in particular as meaning that the drive force generated by the motor can be transmitted from its output shaft to the drive shaft of the take-off device, on which, for example, its conveyor wheels or conveyor rollers are rotatably mounted, without additional or separate power transmission means.
  • This type of power transmission favors the space-sensitive and component-reduced structure of the device.
  • the output shaft of the motor meshes with the drive shaft of the extraction device. In this way, direct power transmission can take place between the motor and the trigger device, in particular between the motor output shaft and the trigger device drive shaft.
  • the meshing engagement is realized via a bevel gear toothing or a worm wheel toothing.
  • the transmission ratio can be in the range of 5-25, in particular in the range of 10-20, in particular 15.
  • the motor and planetary gear can be arranged orthogonally to the conveying direction.
  • the traction drive which is designed to be non-positive and/or positive, can be implemented, for example, by a chain, a belt, a cable or the like.
  • two traction means can be present.
  • One traction device can be assigned to the motor and the take-off device
  • the second traction device can be assigned to the motor and the embossing and/or perforation wheels. Consequently, the motor drives both the drawing device and the embossing and/or perforating wheels.
  • two traction means can be present.
  • One traction device can be assigned to the motor and the trigger device, the second traction device can be assigned to the motor and the embossing and/or perforation wheels in such a way that the motor drives the trigger device, which in turn drives the embossing and/or perforation wheels.
  • two traction means can be present.
  • One traction device can be assigned to the motor and the embossing and/or perforation wheels
  • the second traction device can be assigned to the embossing and/or perforation wheels and the take-off device.
  • the motor drives the embossing and/or perforating wheels, which in turn drive the haul-off device.
  • only one traction device can be present, which is assigned to the motor, the embossing and/or perforating wheels and the pull-off device. With a clockwise drive, this drives the take-off device and the embossing and/or perforation wheels, with a left-hand drive, it drives the embossing and/or perforation wheels and the take-off device.
  • the choice of the drive variant depends, among other things, on the installation space.
  • the transmission ratio between the pull-off device and the embossing and/or perforating wheels which can be in the range from 0.1 to 10, in particular in the range from 1 to 2, is important.
  • the transmission ratio can result, for example, from the quotient of 'number of teeth of the embossing and/or perforating wheels' to 'number of teeth of the pull-off device'.
  • the motor can, for example, have two drive pulleys in order to simultaneously drive the embossing and/or perforating wheels and the pull-off device.
  • At least one, in particular precisely one, embossing and/or perforating wheel is driven by the drive via a gear mechanism which transmits the torque applied to the drive shaft of the pull-off device to the embossing and/or perforating wheel.
  • a gear is interposed between the pull-off device drive shaft and the embossing and/or perforating wheel.
  • the at least one embossing and/or perforating wheel is mounted on a further drive shaft.
  • the drive shaft of the embossing and/or perforating wheel is oriented parallel to the drive shaft of the tightening device.
  • the drive shafts can be oriented perpendicularly to the conveying direction and perpendicularly to the longitudinal extent or axis of rotation of the output shaft of the motor.
  • the transmission is a traction mechanism, in particular a belt or chain transmission.
  • the traction mechanism can couple the embossing and/or deformation wheels and the tightening device to one another, in particular synchronize them with one another.
  • the traction mechanism can, for example, be a belt, a chain or the like.
  • a power transmission that is particularly easy to implement can be implemented from the engine to the various consumers via the traction mechanism.
  • the synchronization of embossing and/or perforating wheels and the take-off device can be set or adjusted in a simple manner.
  • a load strand of the traction mechanism is free of a deflection. It can be provided that the load strand is not guided around deflection rollers or deflection rollers.
  • the load strand also known as the tight strand, is usually referred to as the section of the traction mechanism that is pulled and is tight.
  • the device also comprises a separating station following the embossing and/or perforating wheels in the conveying direction of the starting material, which separates a packaging product of a desired length from the starting material, in particular from the intermediate product.
  • a separating station following the embossing and/or perforating wheels in the conveying direction of the starting material, which separates a packaging product of a desired length from the starting material, in particular from the intermediate product.
  • the severing station is driven by the same motor as the embossing and/or perforation wheels and the pull-off device, with the order of the power take-off being defined in such a way that the embossing and/or perforation wheels or the pull-off device transfer the driving force to the Transfer separation station.
  • the force pickup sequence can be designed as a series connection. If the embossing and/or perforating wheels or the pull-off device are not driven by the motor, depending on the order in which the force is picked up, the separating station is also not driven.
  • a device for producing a three-dimensional packaging product a web-shaped stock material comprising a preforming station configured to form, by radially inwardly folding lateral stock material web sections of the stock material, two web-direction crumple cavities and a web-direction central overlap zone in which the folded over stock material web sections overlap, and has a take-off device for drawing in and conveying the starting material, a pair of intermeshing embossing and/or perforating wheels following the preforming station in the conveying direction of the starting material, which are set up to cut overlapping material web sections along a fastening and/or to bind the deformation zone together and to convey the preformed starting material, a separating station which follows the embossing and/or perforating wheels in the conveying direction of the starting material and which separates a packaging product of a desired length from the starting material, and a common motor for providing a driving force for the extraction
  • the device comprises a motor for providing a driving force for the severing station.
  • the starting material and the packaging products produced are conveyed through the device along a conveying path, and the motor of the extraction device and embossing and/or perforating wheels as well as the motor of the separating station are arranged below the conveying path.
  • One advantage of arranging the motor and transmission components below the conveying path is, for example, that access from above into the components processing the packaging material is possible without access being restricted by stationary motor components in particular.
  • a type of modularized structure of the device is provided in this way. As a result, the compactness of the device can be further increased.
  • the preforming station has a mounting plate on whose guide side facing the conveying path conveyed starting material is guided along the conveying path and on whose mounting side facing away from the conveying path the motor for the pull-off device and the embossing and/or perforating wheels and, if necessary, the motor for the Separation station are arranged.
  • the pull-off devices, the embossing and/or perforating wheels and the separating station are driven by a single common motor.
  • the pull-off device, the embossing and/or perforating wheels, in particular exactly one embossing and/or perforating wheel, and the severing station can be coupled via a gear designed according to one of the exemplary embodiments described above, such as a traction drive, for example a belt or chain drive be.
  • a freewheel can be provided in the traction mechanism for pulling off and embossing.
  • the freewheel can be arranged in opposite directions.
  • the freewheels can be set the same when pulling off, embossing and, if necessary, when conveying away, which means that the starting material is drawn into the device, conveyed, formed and, if necessary, conveyed away.
  • the embossing and/or perforating wheels can be freewheeling, so that the cutting station switches to the reverse direction, which causes a packaging material product to be cut off.
  • this reverse direction of rotation namely the blocking direction with respect to the severing station, the embossing and/or perforating wheels and/or the pull-off device are stationary.
  • a drive transmission technology that is particularly inexpensive and easy to implement can be implemented, no drivers or synchronizations or controls are required.
  • the drive according to the invention only needs one forward and one reverse gear.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material comprising a preforming station that is set up for this purpose, is provided radially inward folding of lateral starting material web sections of the starting material to form two lateral crumple cavities extending in the web direction and a central overlapping zone extending in the web direction in which the folded over starting material web sections overlap, and having a pair of feed wheels for drawing in and conveying the starting material, and a pair of combing embossing and/or perforating wheels following the preforming station in the conveying direction of the starting material, which are set up to bind together overlapping material web sections along a fastening and/or deformation zone extending in the web direction and to convey the preformed starting material.
  • the device can be designed according to one of the aspects described above or one of the exemplary embodiments described above, so that to avoid repetition, reference can be made to the relevant statements.
  • the pair of conveyor wheels can also be a pair of conveyor rollers, for example, whose roller length in the direction of the axis of rotation is dimensioned to be significantly greater than its diameter.
  • At least one conveyor wheel or one conveyor roller of the pair of conveyor wheels can be mounted in a floating manner, in particular spring-loaded.
  • the floating mounting or the spring preload can be aligned in a direction of material thickness oriented perpendicular to the planar extension of the starting material web, so that on the one hand it is possible to react to different starting material thicknesses or unevenness and also a certain pretensioning force can be exerted on the starting material web in order to reliably pull it off and close it support financially.
  • the pair of feed wheels and the embossing and/or perforation wheels are driven in such a way that the pair of feed wheels rotates at a circumferential speed that is at least 10% higher than the embossing and/or perforation wheels.
  • the peripheral speed refers to the speed at the rolling surfaces of the respective wheels on the starting material web.
  • This circumferential speed difference causes axial compression or shrinkage of the starting material web in Reached conveying direction, which leads to a wave-like preforming of the starting material web.
  • the material web as already mentioned, whereby the length of the packaging products to be produced, measured in the conveying directions, can be further reduced.
  • the packaging products produced in this way also have a cushioning function, viewed in their longitudinal direction.
  • an accordion-like expandable and compressible packaging product can be produced, which in this way can be used in cavities of different lengths.
  • the increased peripheral speed on the conveyor wheels compared to the embossing and/or perforating wheels reduces the tendency for the material web to tear within the device, since the material tension in the conveying direction or longitudinal direction of the starting material web is reduced.
  • the pair of feed wheels and the embossing and/or perforation wheels can be controlled in such a way that the driving force imparted to the starting material web by the pair of feeding wheels is greater than the driving force imparted to the starting material by the embossing and/or perforating wheels.
  • this can be done by coupling a drive shaft of the pair of feed wheels and a drive shaft of the pair of embossing and/or perforating wheels via a traction mechanism, with a power pickup of the drive shaft of the pair of feed wheels having a smaller diameter than a power pickup of the drive shaft of the embossing - and/or perforation wheel pair.
  • the force pickups of the pair of feed wheels and the embossing and/or perforation wheels prefferably have the same outside diameter, but for the embossing and/or perforation wheels to have a smaller diameter than the pair of feed wheels.
  • the pair of conveying wheels and the embossing and/or perforating wheels are each driven by a separate motor.
  • the corresponding speeds and thus the extent of the axial shrinkage or compression of the starting material web between the pair of conveyor wheels and the embossing and/or perforating wheels can be set as desired.
  • this can be adjusted so that the peripheral speed at the embossing and / or Perforation wheels is 10% lower than the peripheral speed on the conveyor wheel pair.
  • the pair of conveying wheels and the embossing and/or perforating wheels are driven by a common motor.
  • a device can be created that requires few components and can therefore be implemented in a particularly compact manner.
  • a gearbox is connected downstream of the motor for driving the embossing and/or perforating wheels and for driving the take-off and conveying wheels.
  • the gear is designed as a speed reduction gear in the form of a worm gear, the central longitudinal axis of the transmission output shaft being at an angular offset of 90 degrees to the central longitudinal axis of the electric drive motor.
  • the structural unit consisting of an electric motor and transmission can also be understood as a motor in the sense of this application.
  • the transmission output shaft is designed as a hollow shaft or as a solid shaft, since the transmission itself or the motor-gear unit is available as a standard component from a supplier. It is essential, however, that two take-off wheels or two feed wheels are coupled in a torque-proof manner to the gear output shaft and that the gear output shaft drives the take-off wheels or the feed wheels in rotation. Because in a preferred embodiment, the gear is arranged between the take-off or feed wheels, and the central longitudinal axis of the motor of the motor-gear unit extends in the longitudinal direction, i.e. parallel or at least at a shallow angle and essentially parallel to the conveying path and below the conveying path a particularly compact design.
  • the motor-gear unit directly drives the take-off or feed wheels in an inventive way, because this makes it possible to move the motor-gear unit into an upstream section of the device that has not been used in the prior art.
  • said motor-gear unit would be placed on the side next to one of the embossed and/or perforating wheels can be arranged to drive it directly.
  • This very unfavorable design is counteracted because the motor for operating the embossing and/or perforating wheels is inventively arranged in front of these wheels in relation to the conveying direction and inventively further down in the aforementioned previously unused space section of the device between the preforming station and the embossing and/or perforation station is brought and arranged.
  • an elongated section of the transmission output shaft offers a free section on which a wheel of the traction drive can be placed.
  • the wheel is designed in a preferred form as a toothed belt wheel or alternatively as a chain wheel and can be adjusted on the transmission output shaft so that the traction means placed on it runs laterally past the motor and at the same time laterally past the first embossing and/or perforating wheel.
  • the first embossing and/or perforating wheel is connected to the power-receiving wheel of the traction mechanism via a shaft in a rotationally fixed manner.
  • the transmission output shaft drives the take-off or feed wheels directly.
  • the gear-side bearings of the gear output shaft are used both for bearing the gear components and at the same time as a complete or at least partial bearing of at least one of the two take-off or feed wheels. This results in an even more compact design and an even more simplified assembly of the device.
  • a packaging product in particular a paper packaging product, which is produced from a web-shaped starting material by means of a device designed according to one of the preceding claims and/or whose width, measured transversely to the longitudinal direction of the web, is less than 12 cm and/or whose length in the longitudinal direction of the web is less than 30 cm. It has been found in the prior art that there is a great need for miniature Packaging products consists, which can be satisfied by the packaging products according to the invention.
  • the supply of starting material can be in the form of a roll of starting material web, in particular in the form of a coreless roll, or a leporello stack.
  • a web-shaped starting material extends from the supply of starting material web into the device, in particular in its preforming station.
  • a device for producing a three-dimensional packaging product, such as a cushioning product, from a web-shaped starting material, such as a single- or multi-ply paper web, in particular paper.
  • Waste paper is being used more and more frequently for the paper material, primarily for ecological reasons. However, due to its inhomogeneity, it is difficult to reshape, especially if the three-dimensional packaging product can always be produced uniformly and as simply and economically as possible.
  • the web of starting material can be made from paper, such as recycled paper, in particular waste paper and/or 100% recyclable paper, which can be produced without chemical ingredients.
  • Recycled paper is, in particular, paper material with a small proportion (less than 50%) of paper material containing fresh fibers.
  • paper materials containing 70% to 100% waste paper are used.
  • the recycled paper within the meaning of this invention can be paper material which can have a tensile strength index in the machine direction of at most 90 Nm/g, preferably a tensile strength of 15 Nm/g to 60 Nm/g, and a Tensile strength index in the cross-machine direction of at most 60 Nm/g, preferably a tensile strength of 5 Nm/g to 40 Nm/g.
  • a standard DIN EN ISO 1924-2 or DIN EN ISO 1924-3 can be used to determine the tensile strength or the tensile strength index.
  • a recycled paper property or waste paper property can be characterized by the so-called bursting resistance.
  • a material in this sense is recycled paper with a bursting index of at most 3.0 kPa*m A 2 /g, preferably with a bursting index of 0.8 kPa*m A 2 /g to 2.5 kPa*m A 2 /g.
  • the DIN EN ISO 2758 standard is used to determine the bursting index.
  • the packaging material has a mass per unit area of in particular 40 g/m2 to a maximum of 140 g/m2.
  • the starting material can be in the form of a roll of web material or a zigzag-folded stack of packaging material, which is also referred to as a leporello stack.
  • the device can be dimensioned and designed in such a way that it is miniaturized, ie dimensioned significantly smaller than corresponding devices from the prior art and/or is able to produce significantly smaller packaging products.
  • This can satisfy the demand for small packaging products.
  • devices according to the invention meet the demand for ever smaller storage areas available for such devices providing packaging products. For example, as a rule of thumb for the overall dimensions of generic devices, it was required that these should not exceed the external dimensions of a standard industrial pallet.
  • devices according to the invention have an overall dimension of less than 650 mm in length in the conveying device, less than 450 mm wide transversely to the conveying device and less than 300 mm high transversely to the conveying and width direction.
  • the device according to the invention can be designed to produce small or miniature packaging products or cushions.
  • Such small or miniature packaging products can have a length in the conveyor of less than 30 mm, a width of less than 120 mm, in particular in the range of 80 to 90 mm, and a height of less than 40 mm, in particular in the range of 20 to 30 mm.
  • the apparatus includes a preforming station configured to form the stock material by radially inward folding of lateral stock material web portions of the stock material two web-direction lateral crush cavities and a web-direction central overlap zone in which the folded over Stock material overlap sections of web.
  • the starting material can be formed into a three-dimensional intermediate having at least one crush cavity extending in the web direction.
  • the shape of the intermediate product can essentially correspond to the final packaging product.
  • the packaging product is then produced from the intermediate product.
  • the preforming station includes a funnel-like wrapping or curling device, such as a convergence funnel, which wraps or curls the paper web laterally in the transverse direction as it is transported into the device, so that the longitudinal edges of the paper web, which are provided, for example, by means of a leporello stack source, are essentially in the middle of the paper web are folded over one another.
  • the preforming station can have a take-off device for drawing in and conveying the starting material.
  • the take-off device can have a pair of continuous conveyors lying opposite one another, such as conveyor wheels or conveyor rollers.
  • the conveyor wheels or conveyor rollers can be prestressed against one another, in particular spring prestressed, so that a particularly elastic prestressing force is exerted on the starting material web.
  • the continuous conveyors can basically be characterized by a continuous conveying movement.
  • the continuous conveyors convey the starting material in the conveying direction, in particular with frictional engagement, in particular in the direction of an output opening at which the packaging products can be removed or are output or ejected.
  • the continuous conveyors delimit a conveying channel between them, through which the starting material is transported.
  • the continuous conveyors at least partially delimit the conveying channel in the vertical direction upwards and downwards.
  • lateral channel delimitation elements can be provided.
  • the device can comprise a deformation station in the conveying device of the starting material that follows the preforming station, which can be formed by a pair of embossing and/or deformation wheels, which are set up to deform overlapping material web sections along a fastening and/or deformation zone extending in the direction of the web to bind together and to convey the preformed starting material.
  • the embossing and/or deforming wheels intermesh in the attachment and/or deforming zone to deform the folded or curled web of stock material into the cushioning product.
  • This specific upholstery product comprises a longitudinally central deformation area, in particular an embossing and/or perforation area, which is adjoined in the transverse direction by two lateral cavity crumple zones, the lateral end of which also forms the end of the upholstery product.
  • the device can produce a paper padding product that is essentially dumbbell-shaped in cross section.
  • the device also includes a separating station which follows the preforming station in the conveying direction of the starting material and which separates a packaging product of a desired length from the starting material.
  • a cutting edge of the separating station is guided in such a way that, in the cutting engagement, it cuts through the starting material web transversely to the conveying direction counter to the gravitational direction or transversely to the gravitational direction.
  • severing is to be understood in particular to mean that the starting material web is severed continuously or in sections along at least 20% of its width running transversely to the web direction, with the severing through a part severing, penetrating part, perforating, (partially) piercing and/or or scoring and generally by weakening the web of starting material.
  • the cutting edge does not necessarily have to penetrate completely through the thickness of the web of material, but can only penetrate the thickness of the material web to a certain extent, for example.
  • the timing of a cutting operation is understand, in which the cutting edge dips into the starting material web.
  • the cutting edge can dip into the starting material web over its entire depth, that is to say its longitudinal extent transversely to the conveying direction, in the cutting engagement.
  • the cutting edge can run in a straight line in this depth direction, which is oriented parallel to the width extension of the starting material web.
  • the starting material web Due to the translational penetration of the starting material web in the cutting engagement transversely to the conveying direction, the starting material web is acted upon transversely to the conveying direction, in particular with a cutting force.
  • This cutting force can cause the starting material web to be stretched in the conveying direction, in particular before the actual severing.
  • the cutting edge can be guided in such a way that it moves through the starting material web in a translatory manner.
  • Cutting through the web of starting material counter to the direction of gravity has proven to be advantageous insofar as the weight of the web of starting material to be severed is thus oriented counter to the direction of translation cutting. Furthermore, it is thus possible to configure the device in a modular and/or very compact manner.
  • the translational movement direction is oriented from bottom to top, i.e. against the direction of gravitation, all drive, motor and transmission components can be arranged at the bottom of the device, in particular below a conveying path leading through the device, along which the starting material web is conveyed. This ensures that free access to all components processed from the starting material web is possible from above, without stationary operating, transmission or motor components in particular getting in the way. These are then accessible from below in a compact, spatially arranged manner.
  • the cutting edge works like a guillotine.
  • the cutting movement direction transverse to the conveying direction can also be oriented transverse to the planar extension of the starting material web, which is defined by the conveying direction and a width direction of the starting material web oriented transverse to the conveying direction. In the case of the cutting movement direction transverse to the direction of gravitation, one can speak of a lateral cut, for example from left to right or vice versa.
  • the device has a motor for providing a driving force and a gear for Transferring the driving force to the cutting station.
  • the motor-driven separating station has proven to be advantageous because the device as a whole can be machined without the intervention of an operator being necessary.
  • the cutting off of individual packaging products can be controlled, in particular the length of the packaging products to be produced can be adjusted, and the cutting to length or cutting off of the packaging products to be produced can also be matched to the operation of the device according to the invention.
  • the transmission and the motor are arranged below a vertical height defined by the cutting engagement.
  • the motor and gearing can be arranged below the conveying path running through the device, along which the starting material web and finally the packaging product are guided through the device.
  • the transmission and the motor can also be arranged above the vertical height defined by the cutting engagement.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material which has a preforming station which is set up to fold lateral starting material web sections radially inwards of the starting material to form two lateral crumple cavities extending in the web direction and a central attachment and/or deformation zone extending in the web direction, in which the folded over starting material web sections overlap and are bonded to one another, and a separating station following the preforming station in the conveying direction, which separates a packaging product of a desired length from the starting material.
  • the severing station has a cutting edge that is designed and/or mounted in such a way that, in the course of a severing process, a cut is made through the web of starting material transversely to the conveying direction, in particular transversely to the planar extent of the web of starting material Width direction of the starting material web propagates.
  • a cutting action point which is characterized by the contact of the cutting edge with the starting material web, can migrate during a severing process transversely to the conveying direction in the width direction of the starting material web during the severing process.
  • the severing process begins at a lateral edge of the web of starting material and propagates in the direction of and up to the opposite edge of the web of starting material. This results in a zipper-like opening or separation of the web of starting material. It has been found that this type of cutting motion and cutting propagation improves the quality of the cut on the stock web. In particular, the tendency to small micro-tears in the conveying direction and/or fraying is reduced, while at the same time an undesired deformation of the subsequent starting material web sections in the conveying direction, which are separated from one another, does not occur.
  • the cutting edge cuts through the starting material web transversely to the conveying direction, in particular transversely to the flat extension of the starting material web, in a translatory manner. Due to the translational penetration of the starting material web in the cutting engagement transversely to the conveying direction, the starting material web is acted upon transversely to the conveying direction, in particular with a cutting force. This cutting force can cause the starting material web to be stretched in the conveying direction, in particular before the actual severing. For example, the cutting edge can be guided in such a way that it moves through the starting material web in a translatory manner.
  • a device for producing a three-dimensional packaging product from a web-shaped starting material which has a forming station which is set up to, by radially inward folding of lateral raw material web sections of the raw material, two lateral crumple cavities extending in the web direction and a central attachment and/or deformation zone extending in the web direction, in which the folded over stock material web sections overlap and are bonded to one another, and a severing station downstream of the preforming station, which separates a packaging product of a desired length from the stock material.
  • the severing station comprises a cutting edge and a counter-cutter along which the cutting edge shears in the course of a severing process.
  • the scissors cutting arrangement has proven to be advantageous and efficient with regard to the cutting or severing result.
  • the cooperating cutting edges are particularly suitable for high cutting speeds and a machine device or machine cutting processes.
  • the device comprises an adjustment device for positioning the shearbar and cutting edge relative to one another.
  • the coordination required for the scissors cut can be set for optimum shearing of the cutting edge and shearbar along one another.
  • the positioning of the cutting edge and counter blade can be readjusted relative to one another.
  • the cutting edge on the counter blade shears, in particular translationally, along a cutting plane which is oriented transversely to the conveying direction, in particular transversely to the flat extension of the starting material web.
  • the section plane is preferably oriented in such a way that the vertical direction lies in the section plane and the direction of translation section movement is oriented counter to the direction of gravity.
  • the cutting edge on the shearbar shears in particular translationally along a cutting plane and is prestressed transversely to the cutting plane, in particular counter to the conveying direction, against the shearbar. The pre-tensioning of the cutting edge and counter blade results in a better cutting result and a clean cut of the packaging product.
  • the device comprises a counter blade, along which the blade shears in the course of a severing process.
  • the counter blade is held by a counter blade carrier, which is arranged in particular in a stationary manner on the device.
  • the shearbar carrier delimits a conveying path of the starting material web through the device transversely to the conveying direction of the starting material web.
  • the counter-blade carrier can form a path-limiting element, in particular in the vertical direction.
  • the shearbar support not only serves to store the shearbar, but also to limit the conveying path and thus to reduce the risk of a paper jam.
  • the device comprises a counter blade, along which the blade shears in the course of a severing process.
  • the shearbar is movably mounted in the conveying direction on a shearbar carrier, which is in particular stationary.
  • the movable mounting of the shearbar on the shearbar support can be created by means of the adjusting device.
  • the preload of the cutter and counter blade can be adjusted via the adjusting device and the movable bearing of the counter blade and counter blade carrier.
  • the adjusting device can, for example, comprise grub screws for shifting the shearbar horizontally, in particular, relative to the shearbar support.
  • the cutting edge is firmly held by a cutting edge carrier, which is guided in a translatory manner, in particular relative to the stationary counter blade carrier.
  • the cutter support and, if applicable, the guide can be configured in particular in such a way that, during a cutting process, the cutter is essentially exclusively travels along the section plane, whereby evasive movements in or against the conveying direction are essentially excluded.
  • the translatory guidance of the cutter carrier, oriented in particular in the vertical direction can be configured by suitable linear guides, such as a straight guide, a rail guide, a slotted guide or the like.
  • the blade and/or counter blade is made of a material whose working hardness is at least 10 HRC and/or at most 85 HRC, in particular in the range from 40 to 70 HRC.
  • the elongation at break is in the range of at least 0.1% and/or at most 25%, in particular in the range from 0.5% to 15%.
  • the cutting edge and/or the shearbar is made of steel, such as cold work steel, stainless steel or tool steel.
  • the material number 1.2436 for example, can be used as a cold-work steel.
  • a stainless steel can be used with material number 1.4112, material number 1.3343 is suitable as tool steel.
  • the cutting edge has a cutting edge which is inclined at an angle in the range from 93 ° to 105°, in particular 98°, with respect to the cutting movement direction.
  • the cutting edge is inclined at an angle in the range from 3 ° to 15 ° , in particular 8°, relative to the horizontal.
  • the cutting edge dips into the starting material web only at certain points during the cutting engagement, so that in the course of a severing process a cut through the starting material web spreads transversely to the conveying direction in the width direction of the starting material web.
  • the cutting point of action moves in the width direction of the starting material web transversely to the conveying direction.
  • the device comprises a counter blade, along which the blade shears in the course of another process.
  • the shearbar has a shearing surface which is oriented, for example, in the conveying direction and which is inclined at an angle in the range from 1° to 10°, in particular 5 ° , with respect to the cutting movement direction.
  • the inclination of the Shearing surface oriented in such a way that a lower shearing edge facing the cutting edge protrudes furthest in the conveying direction in relation to the shearing surface.
  • the device according to the invention comprises a motor for driving the separating station.
  • intervention or operation by an operator can essentially be omitted.
  • the device according to the invention is perfectly suitable in this way for an automated packaging production operation, in particular in mass production.
  • the device according to the invention is designed to produce particularly small packaging products. Regardless of this, the device is a particularly compact design.
  • An inventive idea is to adapt individual components and units of the device for producing miniature packaging products to the existing starting material, so that the starting material is designed to be used both by the large machines and by the inventive Device to be processed. This lowers the manufacturing costs and the number of variants of the starting material, since it is only a single quality of paper.
  • one aspect of the invention is a modular construction of the device.
  • One of these modules forms the cutting station.
  • a first solution for a cutting station provides that it consists at least of the stationary mechanical elements such as the shearbar support, the shearbar and its adjustment device and, in one embodiment, the guide rods for guiding the shearbar. Furthermore, it consists of the elements that move relative to the shearbar, such as the cutter support and the cutter.
  • Such a separation station is designed as a functional structural unit, so that it can be preassembled and functionally tested independently of the device.
  • a further solution of the module of a separation station also sees a motor with a downstream gear and a connecting rod in a supplementary way before, wherein the output drive shaft of the gear is connected via the connecting rod to the movable blade carrier. Furthermore, the transmission and/or the motor is operatively connected to the shearbar. In one embodiment, this module can also be designed as a self-sufficient and intrinsically functional module.
  • the gearing for driving the cutting edge in a movable manner is arranged below the conveying path. Since the motor is connected directly to the gearing, the motor is also arranged below the conveying path, but at least in sections. An arrangement of the motor below the conveying path, at least in sections, is given in particular when the motor of the separating station extends essentially upright according to another compact design of the device. Since the motor of the separating station is designed as a structure that is elongated along its central longitudinal axis, it is then arranged at least in sections next to the conveying path. When the motor is in an upright position, its central longitudinal axis and the motor shaft are in a vertical upward direction or alternatively in another obliquely upward direction.
  • a packaging product in particular a paper packaging product, which is produced from a web-shaped starting material by means of a device designed according to one of the preceding claims and/or whose width, measured transversely to the longitudinal direction of the web, is less than 12 cm and/or whose length in the longitudinal direction of the web is less than 30 cm. It has been found in the prior art that there is a great need for miniature packaging products, which can be satisfied by the packaging products of the present invention.
  • the supply of starting material can be in the form of a roll of starting material web, in particular in the form of a coreless roll, or a leporello stack.
  • a web-shaped starting material extends from the supply of starting material web into the device, in particular in its preforming station.
  • FIG. 1 shows a schematic side view of an exemplary embodiment of a device according to the invention
  • Figure 2 is a schematic side view of another example
  • FIG. 3 shows a schematic representation of an exemplary embodiment of a packaging product according to the invention
  • Figure 4 is a perspective sectional view of another example
  • FIG. 5 shows a schematic side view of an exemplary embodiment of a dispensing device of an exemplary embodiment of the device according to the invention
  • FIG. 6 shows a further exemplary embodiment of an output device
  • FIG. 7 shows a further exemplary embodiment of an output device
  • FIG. 8 shows a further exemplary embodiment of an output device
  • FIGS. 9-10 show a further exemplary embodiment of a dispensing device in a perspective view and top view
  • FIGS. 11-12 show a further exemplary embodiment of a dispensing device in a perspective view and front view
  • FIG. 13 shows a further exemplary embodiment of a dispensing device in a perspective view
  • FIGS. 14-19 show different views of an exemplary embodiment of a device according to the invention, in which the dispensing device is shown in different operating positions;
  • FIGS. 20, 21 show further views of an exemplary embodiment of a device according to the invention.
  • Figure 22 is a perspective view of the severing station of the apparatus of Figures 4 and 21;
  • FIGS. 23-25 are perspective partial cutaway views of the device of FIGS.
  • Figure 26 is a schematic front view of a cutting edge of
  • Figure 27 is a schematic partial view of the interaction of
  • a device according to the invention for producing a three-dimensional packaging product from a web-shaped starting material, in particular paper starting material is generally provided with the reference number 1 .
  • the overall dimensions of the device 1 shown are dimensioned such that the device 1 can be set down on a standard industrial pallet and does not exceed their dimensions.
  • the overall length of the device is less than 650 mm
  • the overall width is less than 450 mm
  • the overall height is less than 300 mm.
  • the device 1 of the exemplary embodiments shown in the figures is set up to produce small or so-called miniature packaging cushions, the length of which in the web direction of the starting material is less than 120 mm, in particular in the range of 80 mm to 90 mm, measured transversely to the longitudinal direction Width be less than 120 mm, in particular in the range of 80 mm to 90 mm, and their height are less than 40 mm, in particular in the range of 20 mm to 30 mm.
  • Figures 1 and 2 show schematic basic sketches of exemplary embodiments of devices 1 according to the invention, which have an integrated supply of starting material 4, which is available, for example, in the form of a fanfold stack ( Figure 2) or in the form of a starting material roll, in particular in the form of a coreless roll ( Figure 1) can exist.
  • the device 1 can also be provided with a stand 6 with which the device 1 can be set down on the ground and with respect to which the device 1 can be adjusted in its orientation and on which the device 1 can be adjusted in height.
  • the device 1 according to the invention is also part of an exemplary embodiment of a system according to the invention, which is generally given the reference numeral 115 and further comprises the source material supply 4 .
  • the system 115 also includes a frame 117 on which the device is fixed, possibly detachably and/or pivotably mounted, which can have the stand 6 for placing the device 1 on a base .
  • a receptacle 119 for the supply of starting material 4 is designed depending on the type of supply of starting material 4 .
  • Figure 3 shows a schematic representation of a packaging product 100 according to the invention, which is produced from a web-like starting material 2 by means of a device 1 according to the invention and/or whose width a measured transversely to the longitudinal direction of the web is less than 12 cm, whose length c in the longitudinal direction of the web is less than 30 cm cm whose vertical extension b is in the range of 2 cm to 3 cm.
  • Packaging products 100 comprise two lateral crumple cavities 103, 105 extending in the longitudinal direction of the web, which are formed by radially inward folding or inward rolling of lateral web sections of the starting material.
  • the packaging product 100 comprises a central fastening and/or deformation zone 107 in which the folded starting material web sections overlap and are bonded to one another.
  • a width d of the attachment and/or deformation zone, measured in the width direction, can be in the range from 2 cm to 2.5 cm, the vertical extent e of which is less than 1.5 cm or less than 1 cm.
  • a device 1 according to the invention can be divided into the following main components in the conveying direction, which is indicated by the arrow with the reference number F in Figure 4: a preforming station 3 for forming the web-shaped starting material into a three-dimensional intermediate product with at least one Web direction extending crumple cavity 103, 105 having a funnel-like wrapping or curling device 5; an embossing and/or perforating station 7 following the preforming station 3 in the conveying direction F and having a pair of intermeshing embossing and/or perforating wheels 9, 11, which are set up for overlapping starting material web sections along a fastening and/or deformation zone extending in the web direction 107 to bind together; a separating station 13 following the embossing and/or perforation station 7 in the conveying direction F and having a translationally guided cutting edge 15 for separating a packaging product 100 of a desired length from the starting material web 2; and an output device 17 following the separating station 13 in the conveying direction F and having
  • the device 1 has a motor 31 for the output device 17, a motor 32 for the separating station 13 and a common motor 34 for the embossing and/or perforating station 7 and the withdrawal device 36.
  • a dispensing device housing 43 can also be seen, which is part of an overall housing 45 of the device.
  • the housing 45 or the dispensing device housing 43 is basically used to prevent an operator from undesirably accessing the interior of the device 1 in order to prevent injuries, as well as to limit the conveying path or the discharge channel 33 and to attach components of the device 1 .
  • the drive motor 34 for the embossing and/or perforation station 7 and for the pull-off device 36 is directed counter to the conveying direction F, so that a drive shaft of the drive motor 34 extends from the motor 34 counter to the conveying direction F.
  • the upper continuous conveyor 19 projects counter to the conveying direction F at the upstream end over the lower continuous conveyor 21 and extends counter to the conveying direction F up to the cutting edge 15 of the separating station 13.
  • the two continuous conveyors 19, 21 are realized as conveyor belts in the exemplary embodiments, each of which is wound around an upstream deflection roller 23, 25 and a downstream deflection roller 27, 29 are led.
  • the downstream idler rollers 27, 29 form the drive shafts for the conveyor belts 19, 21 and are power-coupled to a dispenser motor 31 via a gear, such as a belt or chain.
  • the axes of rotation of the downstream deflection rollers or drive shafts 27, 29 are at the same height in relation to the conveying direction F.
  • the axes of rotation of the upstream deflection rollers 23, 25, which are in particular not driven but freewheeling, are offset in relation to the conveying direction F, namely in particular such that the axis of rotation of the upper deflection roller 23 is arranged upstream in relation to the axis of rotation of the lower deflection roller 25 counter to the conveying direction F.
  • This offset as detailed in the description above, has the effect of reducing the risk of paper jams inside the device 1.
  • the special feature of the embodiment of the output device 17 shown in FIG. 6 is that the continuous conveyors 19, 21 designed as conveyor belts, unlike the embodiment according to FIG over the full width of a discharge channel 33 delimited by the conveyor belts 19, 21, consist of two conveying sections 35, 37 and 39, 41 which are arranged at a distance from one another transversely to the conveying direction F and are of the same dimensions.
  • the distance between two conveyor sections 35, 37 or 39, 41 of the same pair is matched to a width of the packaging products measured transversely to the conveying direction F.
  • the distance is defined such that in this case the conveying sections 35 to 41 only come into conveying contact with the two lateral, voluminous crumple cavities 103, 105 of the packaging product 100, without interfering with the central deformation and/or fastening zone 107 done.
  • the position of the conveyor sections 35 to 41 with respect to the width direction on the respective shafts 27, 29 can be adjustable in order to create an adjustment option with regard to differently dimensioned packaging products 100.
  • the embodiment of the delivery device 17 from FIG. 7 differs from that from FIG. According to Figure 7, these are centered in relation to the width extension of the drive shafts 27, 29 that support and drive them arranged so that they should be able to produce conveying contact with the central fastening and/or deformation zone 107 .
  • the width of the conveyor belts 19 , 21 is matched to the width of the fastening and/or deformation zone 107 .
  • a dispensing device housing 43 which is part of an overall housing 45 of the device.
  • the housing 45 or the dispensing device housing 43 is basically used to prevent an operator from undesirably accessing the interior of the device 1 in order to prevent injuries, as well as to limit the conveying path or the discharge channel 33 and to attach components of the device 1 , as well as for storing the drive shafts 27, 29.
  • FIG. 8 shows a further exemplary embodiment of the output device 17, which differs from the previous embodiments in that the continuous conveyors 19, 21 implemented as conveyor belts are shaped to complement the dumbbell-shaped outer contour of the packaging products 100 according to the invention.
  • the continuous conveyors 19, 21 comprise a fastening and/or deformation zone conveyor section 47 that is central in relation to the width direction and consists of a central, fully cylindrical section 49 and two conical or frustoconical sections 51, 53 adjoining each side.
  • the fastening and/or deformation zone conveying section 47 opens out on both sides into a straight crumple-cavity conveying section 55, 57.
  • the central fastening and/or deformation zone conveying section 47 is designed to engage between the two lateral crumple cavities 103, 105 in the fastening and/or deformation zone 107 of the packaging product 100 is formed.
  • the two adjoining lateral crumple-cavity conveying sections 55, 57 serve to make conveying contact with the crumple cavities 103, 105, so that the packaging product 100 can be grasped and conveyed over as large an area as possible.
  • FIGS. 9 and 10 show an exemplary embodiment of a section of the dispensing device housing 43 in a perspective side view and in a plan view. Based on the previous explanations, in which the shape of the continuous conveyors 19, 21 is partially adapted to the outer contour of the packaging product 100, the dispensing device housing 43 according to FIGS.
  • the dispensing device housing 43 tapers in the conveying direction F and ends in a dispensing opening 59 whose opening cross section is shaped in accordance with the outer contour of the packaging products 100 .
  • the discharge opening 59 has two lateral crush cavity passageways 61, 63 which are substantially rounded in shape and conform to the shape of the lateral crush cavity 103, 105 of FIG.
  • the discharge opening 59 has a central fastening and/or deformation zone passage 65 which connects the crumple cavity passages 61, 63 and is formed by two housing wall sections 67, 69 which extend or protrude into the conveying path.
  • the lateral crumple-cavity passages 61, 63 are followed by crumple-cavity channels 71, 73, which in turn basically reflect the outer contour of the crumple-cavities 103, 105, but counter to the conveying direction F approaching an overall rectangular structure of the dispensing device housing 43 .
  • the dispensing device housing 43 from FIGS. 11 and 12 follows the same principle of simulating the outer contour of the packaging product 100, but is implemented differently in terms of construction.
  • the dispensing device housing 43 consists of two housing halves 75, 77 which are connected to one another and which in principle delimit a transport cross section which is constant when viewed in the transport direction F.
  • housing boot bars 79, 81 in the two housing shells 75, 77 which extend into the conveying path and are positioned and/or dimensioned to substantially engage and guide the fastener - and/or deformation zones 107 of the packaging products 100 are formed, while laterally they leave free space with a larger cross-section for the lateral crumple cavities 103, 105 75 decrease with regard to its extent in the conveying path in the direction of the lateral housing boundary, in order to reproduce the outer contour of the packaging products too as true to shape as possible.
  • FIG. 13 shows an embodiment of the dispensing device 17 in which the linear continuous conveyors 19, 21, for example from FIG.
  • FIG. 4 An operating position of the two continuous conveyors 19, 21 during the production of packaging products 100 according to the invention is shown.
  • Figures 14 to 19 show step-by-step exemplary intermediate positions between the operating position shown in Figure 4 and a passive position of the upper continuous conveyor 19 shown in Figure 19.
  • the passive position can be, for example, a maintenance position in which maintenance measures, in particular of all components of the output device 17, can be carried out. a repair position or a jam removal position.
  • access between the continuous conveyors 19, 21 is achieved or created, for example to eliminate a material jam that has formed there.
  • the pivoting movement direction R in the conveying direction F ensures that the upper continuous conveyor 19 and the components of the output device 17 firmly coupled thereto do not collide with other components or parts of the device 1 according to the invention.
  • the upper continuous conveyor 19 is pivoted back against the direction of pivoting movement R with respect to the pivot axis S.
  • the device 1 has a motor 31 for the output device 17, a motor 32 for the separating station 13 and a common motor 34 for the embossing and/or perforating station 7 and the pull-off device 36.
  • the drive motor 34 for the embossing - and/or perforation station 7 and for the withdrawal device 36 is directed counter to the conveying direction F, so that a drive shaft of the drive motor 34 extends from the motor 34 counter to the conveying direction F.
  • the output shaft of the drive motor 34 can transmit the drive force to a drive shaft of the extraction device 36 via a meshing engagement, for example a bevel gear toothing or a worm wheel toothing. As can be seen in particular in FIG.
  • the extraction device 36 has two extraction or conveying wheels 46, 48 each mounted on a shaft 42, 44, with which the starting material is drawn into the device 1 and conveyed through it.
  • FIG. 14 also shows that the upper feed wheel 46 is movably mounted in the direction of the material thickness, i.e. perpendicular to the planar extent of the starting material within the device 1, which is indicated by a rail guide 50 in FIG.
  • the movable bearing can be coupled via a preload, in particular via a spring preload.
  • FIG. 14 shows an example of power transmission to the individual drive power consumers, namely the conveyor wheels 46, 48, the embossing and/or deformation wheels 9, 11 and the continuous conveyors 19, 21, in which the device 1 can manage with a single drive motor, viz to the Drive motor 34.
  • the drive force generated by the drive motor is transmitted via a gear directly to the drive shaft 42 on which the lower feed wheel 48 is rotatably mounted.
  • the upper feed wheel 46 is freely rotating.
  • the drive force is transmitted to the drive shaft of the lower embossing and/or deformation wheel via a traction mechanism in the form of a belt, while the upper embossing and/or deformation wheel is mounted on a shaft so that it rotates freely, and finally on a drive shaft assigned to the output device 17, on which in turn another traction mechanism is mounted in terms of power transmission in order to drive the two continuous conveyors 19, 21, each of which is assigned a drive gear around which the traction mechanism is guided in terms of power transmission.
  • a separate motor 32 can be assigned to the separating station 13 .
  • a drive shaft assigned to the linkage to also be driven by the traction mechanism.
  • the device 1 has a gear 14 assigned to the severing station 13 in the form of a coupling gear for converting the torque generated by the drive motor 32 into a translational cutting movement of the cutting edge 15 of the severing station 13.
  • the up and down movement of the guillotine blade 15 is aligned in such a way that a cutting movement is directed against the direction of gravity, ie from bottom to top in the figure.
  • the drive motor 34 for the embossing and/or perforation station 7 and for the pull-off device 36 is directed counter to the conveying direction F, so that a drive shaft of the drive motor 34 extends from the motor 34 counter to the conveying direction F.
  • the output shaft of the drive motor 34 can transmit the drive force to a drive shaft 42 of the extraction device 36 via a meshing engagement, for example a bevel gear toothing or a worm wheel toothing 38 .
  • the extraction device 36 has two extraction or conveying wheels 46, 48 each mounted on a shaft 42, 44, with which the starting material is drawn into the device 1 and conveyed through it. It can also be seen in FIG.
  • the upper feed wheel 46 can be moved in the direction of the material thickness, that is to say perpendicular to the planar extension of the starting material within the device 1, which is indicated by a rail guide 50 in FIG.
  • the movable bearing can be coupled via a preload, in particular via a spring preload.
  • FIG. 21 shows an example of power transmission to the individual drive power consumers, namely the conveyor wheels 46, 48, the embossing and/or deformation wheels 9, 11 and the continuous conveyors 19, 21.
  • the device 1 manages with a single drive motor, namely the drive motor 34.
  • the drive force generated by the drive motor is transmitted via the gear 38 directly to the drive shaft 42, on which the lower conveyor wheel 48 is rotatably mounted.
  • the upper feed wheel 46 is freely rotating.
  • the drive force is transmitted via a traction mechanism 52 in the form of a belt to the drive shaft 54 of the lower embossing and/or deformation wheel, while the upper embossing and/or deformation wheel is mounted so that it rotates freely on a shaft 56 and is finally connected to one of the output devices 17 associated drive shaft 58, on which in turn another traction mechanism 60 is mounted in terms of power transmission in order to drive the two continuous conveyors 19, 21, each of which is associated with a drive gear 62, 64, around which the traction mechanism 60 is guided in terms of power transmission.
  • a separate motor can be assigned to the separating station 13 .
  • a drive shaft assigned to the coupling mechanism 14 to also be driven by the traction mechanism 52 .
  • a dispensing device housing 43 can also be seen, which is part of an overall housing 45 of the device.
  • the housing 45 or the dispensing device housing 43 is basically used to prevent an operator from undesirably accessing the interior of the device 1 in order to prevent injuries, as well as to limit the conveying path or the discharge channel 33 and to attach components of the device 1 .
  • the up and down movement of the guillotine blade 15 is aligned in such a way that a cutting movement is directed against the direction of gravity, ie from bottom to top in the figure.
  • the drive motor 34 for the embossing and/or perforation station 7 and for the pull-off device 36 is directed counter to the conveying direction F, so that a drive shaft of the drive motor 34 extends from the motor 34 counter to the conveying direction F.
  • the output shaft of the drive motor 34 can transmit the drive force to a drive shaft 42 of the extraction device 36 via a meshing engagement, for example a bevel gear toothing or a worm wheel toothing 38 .
  • the extraction device 36 has two extraction or conveying wheels 46, 48 each mounted on a shaft 42, 44, with which the starting material is drawn into the device 1 and conveyed through it. It can also be seen in FIG.
  • the upper feed wheel 46 is movably mounted in the material thickness direction, i.e. perpendicular to the planar extent of the starting material within the device 1, which is indicated by a rail guide 50 in FIG.
  • the movable bearing can be coupled via a preload, in particular via a spring preload.
  • the cutting edge 15 is held by a cutting edge carrier 85 and held in place.
  • the severing station 13 also includes a counter-cutter 87 held by a cutter holder 86, which cooperates with the cutter 15 during a severing process in such a way that the cutter 15 shears translationally along or past the counter-cutter 87 in order to sever the starting material web.
  • blade 15 performs a translational cutting movement, which is supported by a guide 88 which, according to Figure 22, is designed as a straight guide and has two guide rods 89, 90 arranged at a distance from one another transversely to conveying direction F, along which guide rods 85 is guided translationally and in particular in the vertical direction and/or counter to the direction of gravity during a separation process.
  • a guide 88 which, according to Figure 22, is designed as a straight guide and has two guide rods 89, 90 arranged at a distance from one another transversely to conveying direction F, along which guide rods 85 is guided translationally and in particular in the vertical direction and/or counter to the direction of gravity during a separation process.
  • the severing station 13 is equipped with an adjusting device 91, by means of which the cutting edge 15 and counter blade 87 can be positioned relative to one another.
  • the adjusting device 91 is assigned to the shearbar 87 and is set up to displace the shearbar 87 in the direction of the conveying direction F or in the opposite direction, in order to be able to set the scissor-cut engagement between the shearbar 15 and the shearbar 87, and for example, as a result a biasing force oriented in the conveying direction F can be set or built up between the blade 15 and the counter-cutter 87, so that the quality of the severing process can be increased.
  • the adjusting device 91 has, for example, two adjusting screws 92, 93 which are arranged at a distance from one another transversely to the conveying direction F and which are designed here, for example, as grub screws. It can also be seen in FIG. 22 that the counter cutters 87 are detachably fastened in the counter cutter carrier 86 via two fastening screws 94 .
  • FIGS. 23-25 show three different operating states of the device 1 according to the invention, with a focus on the separating station 13.
  • the severing station 13 is designed as a guillotine cutting station, in which the cutting edge is guided in a translatory manner counter to the direction of gravity.
  • the cutting edge 15 of the severing station 13 is just before the cutting engagement with the starting material web and at the point in time at which the cutting edge 15 shears along the counter cutter 87 .
  • FIG. 24 shows the uppermost position of the cutting edge 15 and thus the reversal point from which the cutting edge 15 has to be guided vertically downwards again in order to bring it into an initial position before a new severing process can be started.
  • FIG. 25 shows an intermediate position between the uppermost position (FIG. 24) and a lowermost position (not shown).
  • a synopsis of Figures 23 - 25 shows that the translational cutting movement of the cutting edge 15 including its cutting edge holder 85 is initiated by a motor 32, the driving force of which is transmitted via a gear 14 to the blade 15 and the blade holder 85.
  • transmission 14 is designed as a coupling transmission in which a connecting rod 96, which is mounted in a rotationally fixed manner on a drive shaft 95, is coupled via a ball joint 97 to a further connecting rod 98, which ultimately applies the torque generated by motor 32 in an axially directed drive actuation force to the Blade 15 or the blade carrier 85 transmits.
  • the cutting edge 15 has one of the three fastening bores 99 which are arranged at a distance from one another in a width direction of the cutting edge 15, which is oriented in the width direction of the starting material web and perpendicular to the translation cutting movement direction, by means of which the cutting edge 15 is attached to the cutting edge carrier 85 can be fastened.
  • An essential feature of the cutting edge 15 is its cutting edge 109, which is arranged at an angle a with respect to the direction in which the width of the cutting edge 15 extends, and whose cutting angle a is in the range from 3 ° to 15 ° .
  • an angle in the range of 93 ° to 105° results with respect to the direction of translation cutting movement, which is oriented downwards in FIG.
  • the cutting angle a determines the cutting height g and the cutting width h. The larger the cutting angle a is selected, the shorter the cutting edge height g and the longer the length of the cutting edge 109. Because the cutting edge 109 is inclined, a cut spreads through the starting material web transversely to the conveying direction F in the width direction during a severing process of the starting material web. In other words, the varying point of incision that occurs between the cutting edge 109 and the starting material web migrates along the cutting edge 109 transversely to the conveying direction.
  • FIG. 27 shows a schematic representation of a scissors-cut attack between the cutter 15 and the shearbar 87. From this it becomes clear that the shearbar 87 is a shearing surface cooperating with the cutting edge 15 in the cutting engagement in , which is oriented at an angle of about 5 ° with respect to the direction of translational cutting motion. Furthermore, a cutting edge surface 113 adjoining the cutting edge 109 is chamfered in relation to the rest of the cutting blade.
  • the output shaft of the gear 14 forms the drive shaft 95 of the coupling gear with the connecting rod 96.
  • the central longitudinal axis of the output shaft of the gear 14 or the central longitudinal axis of the drive shaft 95 runs below the conveying path P and transverse to the conveying direction F
  • the gear 14 is a compact worm gear to which the motor 32 is attached directly.
  • the central longitudinal axis of the motor 32 extends in a substantially longitudinal direction corresponding to the conveying direction F, with the central longitudinal axis of the motor 32 and the conveying direction F lying in one plane or with the central longitudinal axis of the motor 32 lying in a first vertical plane and the conveying direction F in a second vertical plane and first and second plane are arranged parallel to each other.
  • the central longitudinal axis of the motor 32 is slightly inclined with respect to the horizontal.
  • the space below the other components of the device 1 and in particular below the embossing and/or deformation wheels 9, 11 is optimally utilized, with the gear 14 and the motor 32 being placed close to the other components, resulting in an extremely compact design of the device 1 is given.
  • the entire crank mechanism for moving the cutting edge 15 consisting of the connecting rods 96, 98 and its joints to arrange the conveying direction F next to the gear 14, while the blade carrier 85 is arranged directly above the gear 14.
  • the cutting edge carrier 85 provides a recess in an inventive manner, which faces the gear 14 and causes the cutting edge 15 to approach the gear 14 very closely in the lower end position. All in all, the stroke of movement of the cutting edge 15 and the crank eccentricity of the connecting rod 96 and the distance between the pivot points of the connecting rod 98 are adapted to one another in such a way that a particularly compact design is formed.
  • the output device 17 is arranged downstream and in the conveying direction F directly after the cutting edge 15 .
  • the shearbar 87 with the shearbar support 86 is arranged upstream of the blade 15 and counter to the conveying direction F.
  • the cutting edge 15 pushes the strand of material against the shearbar 87 or against the shearbar support 86, whereby the strand of material is supported upstream.
  • the output device 17 is arranged downstream directly next to the cutting edge 15 .
  • the continuous conveyor 19 of the output device 17 is designed as an additional support, at least in sections, so that the strand of material is supported both upstream by the shearbar 87 and downstream by the continuous conveyor 19 during the cutting process of the blade 15, even when the continuous conveyor 19 is slightly Distance to cutting edge 15 is.
  • the supporting effect of the continuous conveyor 19 has proven to be particularly advantageous because the strand of material remains essentially straight and aligned along the conveying direction F during the cutting. A clean and particularly smooth cut of the cutting edge 15 is thus achieved.
  • the continuous conveyor 19 it is designed as a conveyor belt stretched between two deflection rollers. In order to achieve a particularly good supporting effect, at least the deflection roller of the continuous conveyor 19 facing the cutting edge 15 has a relatively small diameter of at most 30 millimeters.
  • Attachment and/or deformation zone passage 69 housing part, 73 crush cavity channel, 77 housing half, 81 housing beam
  • Adjusting device, 93 adjusting screw

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Abstract

La présente invention concerne un dispositif de production d'un produit d'emballage tridimensionnel à partir d'un matériau de départ en forme de bande, comprenant une station de préformage, qui transforme la bande de matériau de départ en un produit intermédiaire tridimensionnel comprenant au moins une cavité de déformation s'étendant dans la direction de la bande, une station de séparation se raccordant à la station de préformage dans le sens de transport du matériau de départ, qui sépare un produit d'emballage d'une longueur souhaitée de la bande de matériau de départ, et un dispositif de distribution se raccordant à la station de séparation dans le sens de transport du matériau de départ et qui comporte une paire de convoyeurs continus opposés l'un à l'autre pour évacuer le produit d'emballage séparé, un convoyeur continu étant monté mobile par rapport à l'autre convoyeur continu pour permettre un accès entre les convoyeurs continus.
EP22799867.1A 2021-09-28 2022-09-28 Bande transporteuse d'évacuation Pending EP4408653A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102021125090.0A DE102021125090A1 (de) 2021-09-28 2021-09-28 Kompakte Antriebs-/Motoreinheit
DE102021125147.8A DE102021125147A1 (de) 2021-09-28 2021-09-28 Abförderband
DE102021125083.8A DE102021125083A1 (de) 2021-09-28 2021-09-28 Guillotine-Abtrennstation
PCT/EP2022/077004 WO2023052439A2 (fr) 2021-09-28 2022-09-28 Bande transporteuse d'évacuation

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EP4408653A2 true EP4408653A2 (fr) 2024-08-07

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WO2026076169A1 (fr) * 2024-10-03 2026-04-09 Sealed Air Corporation (Us) Goulottes d'évacuation pour machines de conversion de remplissage de vide

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Publication number Priority date Publication date Assignee Title
GB9409973D0 (en) 1994-05-18 1994-07-06 Rotech Machines Limited Packaging material making machine
US5749821A (en) * 1995-07-21 1998-05-12 Ranpak Corp. Cushioning conversion system for converting paper stock into cushioning material with a staging area and a pick and place assembly
EP0903219A3 (fr) * 1997-08-18 1999-10-13 Ranpak Corp. Dispositif pour la fabrication de matériaux de rembourrage avec une tubulure universelle de sortie
DE102012018867A1 (de) * 2012-09-25 2014-03-27 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung zum schnellen Fertigen eines dreidimensionalen Verpackungserzeugnisses
US11034121B2 (en) * 2017-05-11 2021-06-15 Pregis Innovative Packaging Llc Dunnage apparatus carton filler
CA3076343C (fr) * 2017-10-02 2023-03-28 Ranpak Corp. Goulotte de sortie alimentee destinee a une machine de conversion de fardage

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