EP3900924A1 - Dispositif et procédé d'usinage d'un cordon de matière de rembourrage - Google Patents

Dispositif et procédé d'usinage d'un cordon de matière de rembourrage Download PDF

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Publication number
EP3900924A1
EP3900924A1 EP21170406.9A EP21170406A EP3900924A1 EP 3900924 A1 EP3900924 A1 EP 3900924A1 EP 21170406 A EP21170406 A EP 21170406A EP 3900924 A1 EP3900924 A1 EP 3900924A1
Authority
EP
European Patent Office
Prior art keywords
winding
guide
strand
guide device
padding
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
EP21170406.9A
Other languages
German (de)
English (en)
Inventor
Bastian Schalk
Mathias Peitz
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
Application filed by Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH filed Critical Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH
Publication of EP3900924A1 publication Critical patent/EP3900924A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • 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
    • B31D5/0052—Multiple-step processes for making three-dimensional [3D] articles for making dunnage or cushion pads including crumpling flat material involving rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/56—Winding of hanks or skeins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/02—Stationary rods or plates
    • 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
    • B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
    • B31D2205/0088—Control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/10—Selective handling processes
    • B65H2301/11—Selective handling processes of web or zig-zag web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
    • B65H2404/71—Adaptor, mask, i.e. restricting the working area of the parts for transporting or guiding the handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
    • B65H2404/74—Guiding means
    • B65H2404/741—Guiding means movable in operation
    • B65H2404/7412—Guiding means movable in operation retractable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
    • B65H2404/74—Guiding means
    • B65H2404/742—Guiding means for guiding transversely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/63—Dunnage conversion

Definitions

  • the invention relates to a device and a method for processing a strand of upholstery material.
  • processing is to be understood in particular to mean processing the strand of cushioning material to form a winding of cushioning material.
  • a string of cushioning material can in particular be understood to mean a three-dimensional paper cushioning product that is manufactured in an upholstery forming machine from a web-shaped starting material, in particular a roll or a fanfold stack, for example from paper.
  • a cushioning material winding comprises a particularly spirally wound cushioning material strand, which can optionally be provided with an adhesive tape for fastening the outer end layer of the cushioning material strand to the cushioning material winding.
  • the device comprises a cushioning forming machine for forming a web-shaped starting material into a strand of cushioning material and a winding device for winding the strand of cushioning material around a winding center.
  • the winding device comprises two horizontally extending prongs between which the padding material strand is conveyed and which rotate about a horizontal axis in order to wind the padding material strand around the winding center.
  • the cushioning conversion machine dispenses the strand of cushioning material at a dispensing opening in the horizontal direction.
  • a beak-like guide is provided at the exit of the upholstery forming machine, which guides the strand of upholstery material horizontally as far as the winding device.
  • the prongs of the winder When the prongs of the winder are set in rotation, the prongs take the padding material strand by theirs Rotational movement with and wind the padding material strip into a spiral-shaped padding material screw.
  • the beak-like guide In order to provide space for the radial expansion of the upholstery material screw, the beak-like guide is increasingly spread apart, while it remains in tangential contact with the upholstery material screw. When the cushioning material spiral has reached a desired size, it can be separated from the starting material and removed from the winding device.
  • the winding device is characterized by a winding axis aligned in the vertical direction.
  • the winding device is formed by a reel with vertically downwardly directed prongs which are arranged in a housing so that in a closed state the housing surrounds the reel on both sides in the axial direction of the winding axis and circumferentially transversely to the axial direction of the winding axis.
  • a support surface for the cushioning material and the cushioning material winding formed therewith is arranged vertically below the winding device under the reel.
  • the support surface can be moved like a trap door to deliver a completed padding material winding.
  • a receiving and / or storage container allows the production of several upholstery material spirals or - Wraps without a user having to remove upholstery spirals individually from the wrapping device. This avoids waiting times for staff between inserting several upholstery material spirals.
  • the housing surrounding the reel in the axial direction and in the radial direction represents an effective workplace safeguard, which prevents a user from being injured on the rotating reel. According to DE 10 2018 107 156 A1 Furthermore, a beak-like or scissors-like guide device for guiding the cushioning material in the radial direction transversely to the winding axis is dispensed with.
  • a device for processing a strand of cushioning material, which is produced by a cushioning forming machine from a web-like starting material, in particular a roll or a fanfold stack, for example made of paper, into a cushioning material winding.
  • the strand of cushioning material is made in particular from recycled paper.
  • Recycled paper is in particular paper materials with a low proportion (less than 50%) of fresh fiber-containing paper material.
  • paper materials which contain 70% to 100% waste paper are preferred.
  • the recycling paper for the purposes of this invention is intended to 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 transverse to the machine direction of at most 60 Nm / g may have, 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 burst resistance.
  • a material in this sense is recycled paper with a bursting index of at most 3.0 kPa * m ⁇ 2 / g, preferably with a bursting index of 0.8 kPa * m ⁇ 2 / g to 2.5 kPa * m ⁇ 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 / m ⁇ 2 to a maximum of 140 g / m ⁇ 2.
  • the starting packaging material can be in the form of a roll of material web or a zigzag-folded packaging material stack, which is also referred to as a fan-fold stack.
  • the padding material strand is in particular made in such a way that in the center, along the padding material strand, a particularly wavy deformation zone is formed which is impressed by the upholstery forming machine and which is laterally bounded by two, in particular, essentially uniform bead ends.
  • One upholstery forming machine for the production of upholstery material strands from a web-shaped starting material is in EP 3159291 B1 shown.
  • EP 3159291 B1 One upholstery forming machine for the production of upholstery material strands from a web-shaped starting material.
  • a large number of upholstery forming machines are described in the prior art, which is why the specific design of the same will not be discussed further below.
  • a cushioning material winding can on the one hand be a packing material means such as a cushioning material spiral or a cushioning material helix, but on the other hand it can also form a casing for an object to be cushioned.
  • the processing can be, for example, that the padding material strand is wrapped around an object to be upholstered.
  • the resulting winding of cushioning material can, for example, extend in a spiral shape around the object to be cushioned, the cushioning material layers moving away from the object in the radial direction with an increasing number of layers.
  • the cushioning material winding can extend helically along a longitudinal axis of an object to be cushioned, the radial distance of the winding layers from the longitudinal axis of the object in particular remaining constant in the radial direction.
  • the cushioning material winding can in particular be a combination of a cushioning material spiral and a cushioning material helix, which has wound layers that adjoin one another both in the radial direction and in the longitudinal direction.
  • the strand of cushioning material is preferably processed into a cushioning material winding separate from the objects to be cushioned, such as a cushioning material spiral or a cushioning material helix or a combination of both variants, the cushioning material spiral being particularly preferred.
  • the device for processing a strand of upholstery material comprises a winding device, which is rotatable about a particularly vertical winding axis, for winding the strand of upholstery material around a winding center.
  • the winding center does not necessarily mean a structural core around which the strand of cushioning material is wound. Rather, the winding center can only have a geometric position, in particular a winding axis, describe around which the strand of cushioning material is wrapped.
  • a winding device with exactly two or at least two deflectors, in particular prongs, is preferably provided, between which the strand of cushioning material, in particular a leading end of the strand of cushioning material, is conveyed.
  • the winding center is preferably in the middle of an imaginary line between the deflectors.
  • the deflectors can be firmly connected to one another, in particular in the form of a reel, and / or can be fixed immovably relative to one another.
  • the deflectors for winding the strand of padding material are preferably rotatably mounted around the winding center, in particular around the winding axis, the winding axis in particular running through the winding center.
  • the winding axis can extend in the vertical direction.
  • the winding device can in particular according to the in DE 10 2018 107 156 A1 described winding device be formed, the content of which is fully incorporated into the present application by reference.
  • the device according to the invention for processing a strand of upholstery material further comprises a guide device which is movable between an active guide position and a passive latching position in the axial direction relative to the winding axis.
  • the guide device In the active control position, the guide device provides a limitation that expands in the axial direction and in the radial direction relative to the winding axis for guiding the strand of cushioning material from the cushioning forming machine to the winding device.
  • the passive latching position the guide device releases a winding area surrounding the winding device in the radial direction for receiving the cushioning material winding.
  • the guide device can be arranged immovably and / or stationary in the transverse direction and / or radial direction relative to the winding axis.
  • the guide device can have the same distance and / or the same orientation relative to the winding axis relative to the winding axis in the transverse direction and / or radial direction relative to the winding axis in the active guide position and the passive latching position.
  • the guide device has the same distance relative to the winding axis in the transverse direction and / or radial direction relative to the winding axis in the active guide position and the passive detent position relative to the winding axis, in particular in the radial direction, but a different orientation, in particular the guide device relative to a Axis of rotation can be rotated, which extends in the radial direction relative to the winding axis.
  • the guiding device in the active guiding position and the passive latching position can have a different distance and / or a different orientation relative to the winding axis relative to the winding axis.
  • the guide device In its active control position, guides the strand of upholstery material from the output opening of the upholstery forming machine to the deflectors of the winding device.
  • the guide device threads the strand of upholstery material provided by the upholstery forming machine between the deflectors of the winding device.
  • the guide device In the active control position, the guide device provides a limitation in the axial direction and in the radial direction relative to the winding axis, in particular transversely to the axial direction on both sides, for guiding the padding material strand in the radial direction from the upholstery forming machine to the winding device. In the active control position, the guide device prevents the strand of padding material from moving in the circumferential direction around the winding device.
  • the guide device In the passive latching position, the guide device allows a winding movement of the padding material strand to form a padding material winding around the winding device in the circumferential direction relative to the winding axis.
  • the guide device In a passive latching position, the guide device can be arranged in a contact-free manner relative to the strand of cushioning material and / or the winding of cushioning material.
  • a winding area Surrounding the winding device in the radial direction, in the device for processing the padding material strand into a padding material winding, a winding area is provided which accommodates the padding material winding growing in the radial direction during the winding process.
  • the guide device In order to thread the strand of padding material into the winding device, the guide device is arranged in its active guide position in the winding area.
  • the winding area completely surrounds the deflectors of the winding device in the radial direction and extends in the axial direction at least along the axial length of the deflectors.
  • the winding area of the device for processing a padding material strand can be surrounded by a housing.
  • the guide device In the passive latching position, the guide device can always completely release the winding area; that is, regardless of whether the cushion wrap is only one turn, several turns or the maximum When the number of turns has been reached, the entire area that the cushioning material winding can occupy is always released by the guide device in its passive latching position.
  • the winding device rotates about a winding axis which defines an axial direction.
  • the winding device can have deflectors, in particular prongs, which are arranged offset in the transverse direction relative to the winding axis.
  • the deflectors of the winding device can be movable in the circumferential direction around the winding axis.
  • the guide device In the axial direction of the winding device, in particular parallel to the axial direction of the winding axis, the guide device can be moved between the active guide position and the passive detent position.
  • the winding axis can in particular be aligned in the vertical direction, so that the axial direction also corresponds to the vertical direction.
  • the guide device can be movable in the vertical direction between the active guide position and the passive detent position.
  • the active guide position can preferably be located in the vertical direction below the passive detent position of the guide device.
  • the guide device tapers, in particular continuously and / or constantly, in the radial direction from the upholstery forming machine to the winding device, in particular in the active guide position.
  • the guide device can taper in a funnel-like manner, in particular conically and / or curved, from the upholstery forming machine to the winding device.
  • the guide device can have a threading inlet which is directed towards the shaping device, in particular an output opening of the shaping device.
  • the guide device can have an output end which is directed towards the winding device.
  • the guide device can taper completely or at least in sections continuously from the threading inlet to the output end.
  • the cross-sectional width of the threading opening can be just as large as or larger than the cross-sectional width of the exit opening of the output end of the guide device.
  • the winding device comprises a boom rotatable about the winding axis, such as a turntable, which extends in the transverse direction relative to the winding axis and to which at least two deflectors, in particular prongs, are attached that extend in the axial direction of the winding axis.
  • the guide device In the active control position, the guide device forms a guide shaft which has an output end directed towards the winding axis. The distance between the deflectors from one another in the transverse direction can be at least as great as, preferably greater than, the width of the discharge end.
  • the guide shaft can be delimited in the axial direction by opposing housing sections of the device for processing a strand of cushioning material to form a winding of cushioning material.
  • the guide shaft can be formed in the axial direction by the boom and a cover surrounding the boom and a support surface arranged in the axial direction opposite the boom and / or the cover.
  • Support surface and bracket and / or cover plate can be arranged plane-parallel or essentially plane-parallel relative to one another.
  • the cover or cover plate can be equipped with a recess for a turntable-like bracket.
  • the boom, in particular the turntable can preferably be circular and / or be held in a circular recess of the cover, which in particular is shaped essentially complementary to the turntable.
  • An annular gap extending in the transverse direction can be formed between the cover plate and the turntable.
  • the recess in the cover plate can penetrate the cover plate or be inserted into the cover plate in the manner of a pocket.
  • the cover plate or a cover surface formed by the cover plate or the cover can delimit the winding area in a first axial direction, in particular vertically upwards.
  • the cover plate has a cover surface which can provide the upholstery spiral during the winding process and / or the upholstery material strand during the threading process with an axial slide bearing.
  • a support surface for the strand of cushioning material and / or the winding of cushioning material can be arranged in the axis of rotation / winding axis relative to the boom.
  • the support surface can in particular be arranged opposite a turntable, which can preferably be surrounded by a cover plate.
  • the The support surface can delimit the winding area in a second axial direction, in particular vertically downwards.
  • the support surface can provide the upholstery spiral during the winding process and / or the strand of upholstery material during the threading process with an axial slide bearing. In the axial direction, in particular in the vertical direction, the winding area extends between the support surface and the cover surface.
  • the cover surface and / or the support surface can be essentially flat.
  • the support surface and the cover surface can extend essentially in the horizontal direction.
  • the support surface and / or the cover surface extend essentially in a first transverse direction relative to the winding axis or in a second radial direction transversely to the winding axis.
  • the cover surface and / or the support surface are preferably oriented perpendicularly relative to the winding axis.
  • the support surface and / or the cover plate preferably do not extend in the axial direction of the winding axis.
  • the movable part of the guide device which in the active guide position extends in the axial direction of the winding axis and in the radial direction of the winding axis from the cushion forming device to the winding device, can comprise wall sections lying opposite one another in the transverse direction.
  • the guide device can comprise wall sections lying opposite one another in the transverse direction or in the lateral direction, in particular plates which, in the active guide position, extend in the axial direction from the cover surface to the support surface.
  • the guide device wall sections can be implemented by plates, for example metal sheets.
  • the wall sections, in particular panels, of the guide device face each other in pairs in the transverse direction.
  • the transverse direction is oriented transversely to a straight line from the center point of the outlet opening of the cushioning conversion machine in the direction of the winding axis and can also be referred to as the lateral direction.
  • the guide device can comprise exactly two or more than two wall sections which, in the circumferential direction relative to the winding axis, delimit the path of a padding material strand from the forming device to the winding device.
  • the control device engages in the winding area of the winding device.
  • the wall sections in particular panels, are preferably completely outside the winding area.
  • the wall sections, for example panels the winding device are in the passive latching position vertically above the cover surface.
  • the output end of the guide shaft is removed in the radial direction from the winding axis at least by the distance of the largest diameter of the deflector to the winding axis. If the radial distance of the guide shaft from the winding axis is at least as large as the outer distance of the deflectors to the winding axis, it is ensured that the deflectors of the winding device can be freely rotated about the winding axis regardless of the position of the guide device.
  • the guide shaft extends in the radial direction up to the boom and / or up to between the deflectors, in particular up to the winding axis.
  • the guide shaft prevents the winding device from rotating when the guide device is in the active guide position.
  • a guide device can ensure in a particularly reliable manner that a strand of cushioning material is reliably guided between the deflectors of the winding device and thus threaded in by the cushioning conversion machine. If the guide shaft has a smaller distance to the winding axis in the radial direction in the active control position than the deflectors, it can be reliably avoided that a padding material strand is not threaded in by the padding machine.
  • the device for processing a padding material strand into a padding material winding, comprises a cover surrounding the winding device in the transverse direction, in which in the axial direction relative to the deflectors behind the boom, in particular vertical direction above the boom, a receptacle for the guide device in the passive latching position is arranged.
  • the cover of the device can form the cover surface.
  • the guide device In the passive latching position, can preferably be completely inside be arranged the recording.
  • the receptacle can form an area, for example a receiving space, adjacent, preferably vertically above, to the winding area.
  • the guide device can be extended in the axial direction in a translatory manner, preferably purely translationally, from the passive detent position into the active guide position and / or retracted from the active guide position into the passive detent position.
  • the guide device can preferably be extended and / or retracted in a purely translatory manner in the vertical direction.
  • the guide device can be in one piece and / or dimensionally stable.
  • the guide device can be formed in one piece by a bent sheet metal, two sheet metal sections lying opposite one another in the transverse direction forming the wall sections of the guide device.
  • the guide device can be folded out from the passive detent position into the active guide position and / or from the active guide position into the passive detent position in a rotational manner about an axis of rotation extending in the radial direction.
  • a guide device that can be folded in and / or unfolded can have one, two or more wall sections that are rotatable about an axis of rotation aligned in the radial direction of the winding device, so that the rotational movement of the wall sections relative to the winding axis includes a movement in the axial direction.
  • the guide device comprises a rotary drive which is connected to one or more wall sections in particular by means of a coupling and / or a joint.
  • the device comprises a Threading sensor for detecting a strand of upholstery material threaded into the winding device by the guide device.
  • a device for processing a strand of cushioning material which is manufactured by an upholstery forming machine from a web-shaped starting material, in particular a roll or a fanfold stack, for example from paper, provided for a cushioning material winding.
  • the device can be designed in accordance with one of the aspects described above or one of the exemplary configurations.
  • the device comprises a winding device rotatable about a particularly vertical winding axis for winding the padding material strand around a winding center.
  • the winding center does not necessarily mean a structural core around which the strand of cushioning material is wound. Rather, the winding center can only describe a geometric position, in particular a winding axis, around which the strand of padding material is wound.
  • a winding device with exactly two or at least two deflectors, in particular prongs, is preferably provided, between which the strand of cushioning material, in particular a leading end of the strand of cushioning material, is conveyed.
  • the winding center is preferably in the middle of an imaginary line between the deflectors.
  • the deflectors can be firmly connected to one another, in particular in the form of a reel, and / or can be fixed immovably relative to one another.
  • the deflectors for winding the strand of padding material are preferably rotatably mounted around the winding center, in particular around the winding axis, the winding axis in particular running through the winding center.
  • the winding axis can extend in the vertical direction.
  • the winding device can in particular according to the in DE 10 2018 107 156 A1 described winding device be formed, the content of which is fully incorporated into the present application by reference.
  • the device further comprises a guide device for guiding the strand of cushioning material from the cushioning conversion machine to the winding device.
  • the guide device serves to or facilitates the threading of the padding material strand into the winding device, in particular between the winding deflectors, such as prongs.
  • the winding device in particular the winding center, can be moved between a threading position near the guide device and a winding position distal to the guide device.
  • the movable winding device allows it to be aligned with respect to the guide device in such a way that the strand of padding material can be reliably transferred to the winding device, in particular can be threaded, in particular between the winding deflectors, such as prongs.
  • the winding device In the threading position, can be in the immediate vicinity of the guide device. For example, an entry into the winding device is directly opposite or facing an exit from the guide device.
  • the mobility of the winding device ensures that the cushioning material winding can develop and unfold as the diameter increases.
  • the winding device moves away from the guide device, in particular continuously. Furthermore, it can be provided that the winding device is brought into the winding position after threading has taken place.
  • the winding position can be so far away from the guide device that the padding material winding can be reliably wound without obstacles by the guide device.
  • the direction of movement of the winding device in particular of the winding center, lies in a plane whose surface normal is the winding axis or is oriented parallel to it.
  • the movability of the winding device can be realized by means of simple mechanics.
  • the winding device in particular the winding center, is mounted such that it can move in translation and / or pivot relative to the guide device and / or to the upholstery forming machine.
  • a swivel joint can be provided.
  • a guide device can be provided for the guided displacement of the winding device.
  • the guide device can include, for example, a linear guide, in particular a link guide.
  • a height positioning device such as a ramp
  • the guide device can be height-adjustable and / or can be set up to deliver the padding material strand at a desired height.
  • the height positioning device is provided on a discharge opening of the cushioning material conversion machine, in particular attached in a detachable and / or pivotable manner.
  • the invention relates to a method for processing a strand of upholstery material, in particular a device according to one of the preceding claims, the strand of upholstery material being manufactured by a cushioning forming machine from a web-like starting material, in particular from a roll or a fanfold stack, for example from paper.
  • the strand of upholstery material is guided by a guide device, which is in an active guide position, from the upholstery forming machine to the winding device, which is rotatable about a winding axis.
  • the guide device is moved from the active guide position in the axial direction relative to the winding axis into a passive latching position. While the guide device is in the passive latching position, the padding material strand is wound around a winding center to form a padding material spiral.
  • a winding area is released by the guide device arranged in the passive latching position, in which winding area the cushioning material winding or cushioning material spiral is formed from the cushioning material strand by the winding device.
  • the guide device located in the passive latching position is kept contact-free relative to the cushioning material winding.
  • the winding device is moved into a predetermined rest position before the guide device is moved from the passive detent position into the active guide position. Reaching the predetermined rest position of the winding device can be determined by a mechanical stop and / or a position sensor of the winding device.
  • the guide device is only and / or only then moved from its passive detent position to its active guide position when the winding device is in a predetermined rest position, it can be ensured that a guide device that forms a guide channel, its radial distance from the winding axis is less than the radial distance of a deflector with its largest diameter to the winding axis, without a collision between the guide device and the winding device taking place.
  • the guide device is only moved from the active guide position to a passive latching position after the padding material strand has been threaded into the winding device, in particular between the deflectors of the winding device, the threading that has taken place being detected by a sensor .
  • a threading sensor for example an optical or mechanical threading sensor, can be preferred in order to ensure that the strand of padding material has been properly fed into the winding device with the aid of a guide device, so that no undesired process interruptions occur.
  • a method for processing a padding material strand is provided, in particular a device according to one of the preceding aspects or exemplary embodiments.
  • the upholstery material strand is produced by a cushioning forming machine from a web-like starting material, in particular from a roll or a fanfold stack, for example from paper.
  • the upholstery material strand is guided by a guide device from the upholstery forming machine to the winding device, which is rotatable about a winding axis.
  • the winding device in particular the winding center, is moved into a threading position near the guide device for threading the padding material strand into the winding device and in a winding position distal to the guide device for winding the padding material strand around the winding center to form a padding material winding.
  • a system can comprise a device according to the invention and a cushioning conversion device.
  • a system can comprise a device according to the invention and a padding material strand and / or a starting material.
  • a device for processing a strand of padding material into a padding material winding is generally provided with the reference number 1.
  • the essential components of the device 1 are a winding device 3 and a guide device 11.
  • a cushioning material winding is generally provided with reference number 5 and a strand of cushioning material is provided with reference number 7.
  • a particularly suitable starting material for reshaping into a cushioning material is paper web material, which can be stored, for example, as a roll or a fanfold stack.
  • the web-like starting material generally has a length dimension which is several orders of magnitude greater than the transverse dimension (width).
  • the transverse dimension of the starting material is several orders of magnitude larger than the thickness of the starting material.
  • the thickness of the starting material is generally less than 1 mm.
  • the width of the starting material is at least a few centimeters and at most a few meters.
  • the longitudinal extension of the starting material is more than 10 m, preferably more than 50 m, in particular more than 100 m.
  • the starting material can comprise several layers of packing material.
  • the web-like starting material is deformed into a strand of a three-dimensional cushioning material 7.
  • the upholstery conversion machine 9 can in particular produce a tube-like or strip-like upholstery material 7 from the web-like starting material.
  • a padding material strand 7 is produced, the first transverse dimension (width) of which is reduced compared to the first transverse dimension (width) of the starting material and the second transverse dimension (height) of which is significantly greater than the thickness of the starting material.
  • the height and the width of the cushioning material are essentially of the same order of magnitude after the deformation.
  • the height of the cushioning material can preferably be at least 1/5, in particular at least 1/2 of the width of the cushioning material and / or at most five times, preferably at most twice, the width of the cushioning material.
  • the width and height of the padding material strand 7 are preferably several centimeters.
  • the reshaping in the upholstery reshaping machine is preferably carried out continuously, so that a tubular padding material strand 7 is produced from the web-like starting material, the longitudinal extent of the padding material strand 7, apart from the contractions associated with the reshaping, essentially corresponding to the longitudinal extent of the starting material.
  • the upholstery conversion machine 9 outputs the upholstery material strand 7 at an output opening 91 in a conveying direction F.
  • the upholstery conversion machine 9 can be arranged and its output opening 91 oriented such that the conveying direction F is essentially in the horizontal direction H. With respect to the winding axis W of the winding device 3 described below, the conveying direction F is oriented in a radial direction R. In the vertical direction V, the upholstery material strand 7 is output from the upholstery forming machine 9 approximately at the vertical height of the deflectors 34 of the winding device 3.
  • the upholstery material strand 7 can be conveyed on a support surface 37 of the housing 30 through a winding area 31 to the winding device 3, for example slide along or roll off.
  • the strand of upholstery material 7 moves, starting from the upholstery forming machine 9 to the winding device 3, essentially on a horizontal plane.
  • the horizontal plane on which the upholstery material strand 7 is guided from the upholstery forming machine 9 to the winding device 3 can correspond to the winding plane in which the upholstery material strand 7 is formed by the winding device 3, for example in FIG DE 10 2018 107 156 A1 described a cushion spiral 5 or cushion material winding or cushion winding is wound.
  • the guide device 11 forms a delimitation in an active control position which expands in the axial direction relative to the winding axis W and in the conveying direction F or in the radial direction R relative to the winding axis W.
  • the guide device 11 prevents a significant deviation of the padding material strand 7 from the conveying direction F and thus guides the padding material strand 7 securely to the winding device 3.
  • the winding device 3 can have a boom 33 formed as a turntable with two deflectors 34 formed thereon as prongs.
  • the prongs 34 are attached to the boom 33 diametrically opposite one another.
  • the deflectors 34 which have a largest diameter, are arranged in the transverse direction Q at a distance a 34 from one another. Of the Distance a 34 of the deflector 34 can be about twice as large as the distance aw of a deflector 34 to the winding axis W.
  • the winding device 3 is arranged within a housing 30 of the device 1 for processing a padding material strand 7 into a padding material winding 5.
  • the housing 30 can be formed by the cantilever 33 and a cover 35 surrounding the cantilever 33 in the transverse direction Q.
  • the cover 35 can comprise a preferably annular through opening or pocket-like pocket for receiving the cantilever 33.
  • the housing 30 can comprise a bearing surface 37.
  • the support surface 37 can, as in Figures 3A and 3B indicated schematically, composed of several members movably connected to one another.
  • a winding area 31 is provided, in which the cushion winding 5 is produced by the winding device 3 and can expand in the radial direction R.
  • the radial extension of the cushion winding 5 is in Figure 3B shown.
  • the winding area 31 surrounds the winding axis W in the radial direction and transverse direction Q and extends in the horizontal direction H as far as the side walls 32 of the housing 30.
  • the lower bottom wall of the housing 30 can be formed by the support surface 37.
  • the upper wall surface of the housing 30 can be formed by a cover surface 36 of the cover 35 directed towards the winding area 31.
  • Figure 1 shows the device 1 for processing a padding material strand 7 into a padding material winding, not shown, in which the guide device 11 is in its active control position in order to guide the padding material strand 7 from the upholstery forming machine 9 to the cushioning winding device 3.
  • the guide device 11 forms a guide shaft 13 with wall sections 21, 23 lying opposite one another in the lateral direction L.
  • a wall section 21, 23 can, for example, as in FIG Figures 2 , 3A, 3B and 4A to 4C shown, be formed plate-shaped, for example, as a sheet metal.
  • the guide device 11 can comprise a plurality of wall sections 21, 23 which are formed from the same sheet metal.
  • a bridge section 22, which connects the wall sections 21, 23, can be connected to the wall sections 21 and 23 in a materially or materially bonded manner, for example as a bent section or welded on. It is conceivable that the wall sections 21 and 23 are detachably connected to the bridge section 22, for example screwed.
  • the wall sections 21 and 23 of the guide device 11 can preferably be dimensionally stable, d. H. Sufficiently deformation-resistant so as not to experience any deformations when an upholstery material strand 7, which is provided by the upholstery shaping device 9, is directed against a wall section 21 or 23.
  • the guide device 11 can be formed with a cross section that tapers in the direction of the winding device 3.
  • the guide channel 13 formed by the guide device 11 has a threading opening 17 which is directed towards the upholstery forming machine 9.
  • the guide device 11 has an output end 15 which is directed towards the winding device 3.
  • the width a 15 of the outlet opening 15 is smaller than the width a 17 of the threading opening 17.
  • the distance between the support surface 37 and the cover surface 36 relative to one another can, as in FIGS Figures 3A to 4C seen to be essentially constant.
  • the tapering of the guide shaft 13 takes place through the sections 21, 23, which are arranged obliquely relative to one another be arranged to each other.
  • one of the wall sections 21 and / or 23 extends parallel to the radial direction R in the conveying direction F or radial direction R.
  • the conveying shaft 13 has no taper (not shown).
  • the guide device 11 In the active control position, the guide device 11, with the aid of its sections 21 and 23, guides the strand of upholstery material 7 from the upholstery forming machine 9 to between the deflectors 34 of the winding device 3. As in FIG Figures 1 and 2 shown, the width a 15 at the output end 15 of the guide shaft 13 is narrower than the distance a 34 of the deflector 34 winding device 3 to one another.
  • a particularly secure guidance of the padding material strand 7 to the winding device 3 can be achieved in that the distance from the winding axis W in the radial direction R to the dispensing opening 15 is smaller than the distance aw from the winding axis W to the deflectors 34 the guide shaft 13 is brought up to the winding axis W, so that the distance from the dispensing opening 15 to the winding axis is vanishingly small, in particular equal to zero.
  • the guide device 11 protrudes in the conveying direction F between the deflectors 34 in their rest position, so that the padding material strand 7 is guided through the deflectors 34 within the guide device 11 and an output end 15 of the guide shaft only in the conveying direction F behind the deflectors 34 13 passes (not shown).
  • the device 1 can include control electronics that are equipped with one or more sensors, for example position sensors, for the Winding device 3 and / or the guide device 11 is equipped to ensure that a collision between the winding device 3 and guide device 11 is avoided.
  • the device 1 can be designed to ensure that the winding device 3 initially assumes a predetermined rest position, for example, with the aid of a stop or a position sensor, before the guide device 11 is moved into its active guide position.
  • the device 1 can be designed to ensure that the guide device 11 is initially moved from an active control position according to FIG Figure 4A in a passive locking position according to Figures 4B and 3B is moved before the winding device 3 begins a rotary movement for winding up the padding material strand 7 to form a padding material winding 5.
  • the device 1 can have a threading sensor 39 which detects whether a padding material strand 7 has been guided in this way from the upholstery conversion machine 9 to the winding device 3, in particular between the deflectors 34 of the winding device 3, with the aid of the guide device 11.
  • the device 1 can be set up, a movement of the guide device 11 from its active control position according to FIG Figures 3a and 4a in the passive locking position according to Figures 3b and 4b to be allowed only when a successful feeding of the padding material strand 7 to the winding device 3 has been determined with the threading sensor 39.
  • the guide device 11 In order to release the winding area 31 for winding up a cushioning material winding 5, the guide device 11 must move from its active guide position into a passive detent position (according to FIG Figures 3b and 4b ) are moved. In the passive latching position, the padding material strand 7 and / or the padding material winding 5 can be moved without contact relative to the guide device 11 in the housing 30 of the device 1. The winding of the padding material strand 7 to form a padding material winding 5 takes place unhindered by the guide device 11 in its passive latching position.
  • the guide device 11 is in the direction of the axial direction A of the winding axis W, in particular in the vertical direction V between the active guide position according to FIG Figures 3a and 4a and the passive detent position according to Figures 3b and 4b emotional.
  • the guide device 11, in particular at least one wall section 21 or 23, is located between the support surface 37 and the Cover surface 36 of the housing 30, so that a guide slot 13 for the padding material strand 7 is formed.
  • the guide device 11 can be moved in the axial direction A, in particular in the vertical direction V, in order to expose the winding area 31 between the support surface 37 and the cover surface 36 (cf. Figure 4b ).
  • the device moves through intermediate positions, as shown for example in FIG. 3c.
  • the movement of the guide device 11 from the active guide position to the passive detent position and / or from the passive detent position to the active guide position can be purely translational.
  • the guide device 11 can have a rotary drive 25, which is connected to the wall sections 21, 23 of the guide device 11 via a transmission, for example a knee coupling, in order to convert a rotary drive movement into an in particular purely translational movement movement.
  • the purely translational movement of the wall sections 21, 23 is error-resistant and avoids scissor-like movements.
  • the guide device 11 can be in physical contact with the support surface 37.
  • the guide device 11 is free of contact relative to the support surface 37.
  • a distance in the axial direction A between the bearing surface 37 and the guide device 11 is, however, preferably less than half, preferably less than 1 ⁇ 4, particularly preferably less than 20%, particularly preferably less than 10%, of the smaller transverse dimension (width and / or height) of the upholstery material strand 7.
  • a particularly reliable threading or guiding of the upholstery material strand 7 is ensured when the guide device occupies the entire height of the winding space.
  • the cover 35 of the housing 30 can have a receiving space, not shown in detail, for the guide device 11 in its latching position.
  • the cushioning conversion machine 9 provides a cushioning material strand 7, which is conveyed by the guide device 11 to the winding device 3 of the device 1.
  • the guide device 11 moves from its active guide position into a passive latching position, so that the guide device 11 releases the winding area 31.
  • the padding material strand 7 can in particular be continuously conveyed further and the winding device 3 absorb a rotary movement, so that the deflectors 34 cause a spiral deformation of the padding material strand 7, and a padding material winding 5 is formed, which expands increasingly in the winding area 31 of the winding device 3.
  • the winding device 3 can end the winding process.
  • Figure 5 shows an alternative embodiment of a guide device 12 with an arcuate curved wall section 24.
  • the curved wall section 24 can have a partially circular cylinder sleeve cross section.
  • the curved wall section 24 can be movable about an axis of rotation r, which extends in the conveying direction F or radial direction R of the device 1, so that a rotary movement is implemented from the active guide position of the guide device 12 to a passive detent position of the guide device 12 (not in detail shown).
  • the guide device 12 can comprise a rotary drive 25 in order to rotate the wall section 24 about the axis of rotation r and to move the guide device 12 in this way between an active guide position and a passive detent position.
  • Figure 6 shows a further alternative embodiment of another guide device 12 'with an arcuate curved wall section 24'.
  • the curved wall portion 24 'can have a semicircular cylinder sleeve cross section.
  • the wall section 24 'can be movable about an axis of rotation r, which is in the conveying direction F or in the radial direction R of the device 1, so that a rotary movement from the active control position of the guide device 12 'to a passive detent position of the guide device 12' can be implemented (not shown in detail).
  • the guide device 12 ' comprises a rotary drive 25', in particular a motor optionally with a gear.
  • the arcuate guide device 12 'can comprise a shaft 27' which is coupled to the motor and which is held at least at one end by a rotary bearing 26 '.
  • the wall section 24' can be rotated about the axis of rotation r in order to move the guide device 12 'between its active guide position and its passive detent position.
  • the guide device 12 ′ can remain stationary relative to the winding axis W during its rotational movement, in particular in the radial direction R.

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  • Replacement Of Web Rolls (AREA)
EP21170406.9A 2020-04-24 2021-04-26 Dispositif et procédé d'usinage d'un cordon de matière de rembourrage Pending EP3900924A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020111304.8A DE102020111304A1 (de) 2020-04-24 2020-04-24 Vorrichtung und Verfahren zum Verarbeiten eines Polstermaterialstrangs

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Publication Number Publication Date
EP3900924A1 true EP3900924A1 (fr) 2021-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21170406.9A Pending EP3900924A1 (fr) 2020-04-24 2021-04-26 Dispositif et procédé d'usinage d'un cordon de matière de rembourrage

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EP (1) EP3900924A1 (fr)
DE (1) DE102020111304A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69820474T2 (de) * 1997-10-27 2004-10-21 Ranpak Corp System zur herstellung von polstermaterial und verfahren zur herstellung einer spule von polstermaterial
EP2279078A1 (fr) * 2008-04-22 2011-02-02 Ranpak Corp. Machine et procédé de conversion de fardage à remplissage par le haut
EP3159291A1 (fr) * 2013-02-12 2017-04-26 Ranpak Corp. Système de fardage avec enrouleur, appareil et procédé automatisés de rubanage et d'éjection
DE102018107156A1 (de) 2018-03-26 2019-09-26 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Wickelvorrichtung und Polsterwickelsystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69820474T2 (de) * 1997-10-27 2004-10-21 Ranpak Corp System zur herstellung von polstermaterial und verfahren zur herstellung einer spule von polstermaterial
EP2279078A1 (fr) * 2008-04-22 2011-02-02 Ranpak Corp. Machine et procédé de conversion de fardage à remplissage par le haut
EP3159291A1 (fr) * 2013-02-12 2017-04-26 Ranpak Corp. Système de fardage avec enrouleur, appareil et procédé automatisés de rubanage et d'éjection
DE102018107156A1 (de) 2018-03-26 2019-09-26 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Wickelvorrichtung und Polsterwickelsystem

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