EP4275796B1 - Machine d'emballage avec dispositif de broyage de matériau en forme de bande et son procédé de fonctionnement - Google Patents

Machine d'emballage avec dispositif de broyage de matériau en forme de bande et son procédé de fonctionnement Download PDF

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Publication number
EP4275796B1
EP4275796B1 EP23166501.9A EP23166501A EP4275796B1 EP 4275796 B1 EP4275796 B1 EP 4275796B1 EP 23166501 A EP23166501 A EP 23166501A EP 4275796 B1 EP4275796 B1 EP 4275796B1
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EP
European Patent Office
Prior art keywords
packaging machine
rotation
cutting
blade
packaging
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.)
Active
Application number
EP23166501.9A
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German (de)
English (en)
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EP4275796A1 (fr
Inventor
Sebastian SAUTER
Herbert Benischke
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.)
Multivac Sepp Haggenmueller GmbH and Co KG
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Multivac Sepp Haggenmueller GmbH and Co KG
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Publication of EP4275796A1 publication Critical patent/EP4275796A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/02—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member
    • B26D1/03—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members
    • B26D1/035—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a stationary cutting member with a plurality of cutting members for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • B26D1/29—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting with cutting member mounted in the plane of a rotating disc, e.g. for slicing beans
    • B26D1/295—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting with cutting member mounted in the plane of a rotating disc, e.g. for slicing beans for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
    • B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/025—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers
    • B65B31/028—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers closed by a lid sealed to the upper rim of the container, e.g. tray-like container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/005—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for removing material by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/08—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using rotary cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/22—Feed or discharge means
    • B02C2018/2208—Feed or discharge means for weblike material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0066—Cutting members therefor having shearing means, e.g. shearing blades, abutting blades

Definitions

  • the invention relates to a packaging machine according to the preamble of claim 1. Furthermore, the invention relates to a method according to independent claim 11.
  • thermoforming packaging machines a film, the so-called bottom film, is usually pulled off in webs from a first roll and is then conveyed through the packaging machine by means of transport means, preferably clamp chains.
  • Film is understood here to be a material suitable for packaging foodstuffs, in particular this can be a composite film made of several plastic layers, a fiber-based material, a combination of plastic and fiber-based material or the like.
  • the bottom film is processed by various stations of the thermoforming packaging machine. Usually, one or more troughs are formed in the bottom film in a forming station and a product is then placed in them.
  • Another film, the so-called top film is fed into the packaging process from a second roll.
  • the packages produced in this way are connected as a composite via the bottom film.
  • a combination of a cross-cutting station with a subsequent longitudinal cutting station can be provided.
  • the composite of the lower and upper film is cut transversely to the direction of transport.
  • the area of the film composite that is held by the clamp chains is usually not severed.
  • the packaging is then cut in the direction of transport.
  • the now separated packaging falls onto a designated conveyor belt and is transported away. So-called edge strips initially remain in the clamp chains, which must be disposed of as waste products.
  • packaging materials have increased steadily in recent years. There are special packaging materials that have been developed specifically for different foods. In addition, the proportion of sustainable components in food packaging is increasing. All of this means that there are a large number of different packaging materials with different properties. The requirements for a packaging machine to be able to process all of the different packaging materials are also increasing. Depending on the type of packaging material, it can be a tough or brittle material. In order to be able to process packaging material with different properties with a shredding device such as the one mentioned above, different blades are required. If a packaging machine changes from one packaging material to another, for example because a different product is to be packaged, this means that it may be necessary to change the blades of the shredding device. Furthermore, plastic packaging films that contain fiber-based material or packaging material made of fiber-based material are very abrasive, which leads to increased wear on the blades of the shredding device. This means that the blades have to be replaced at shorter intervals.
  • EN 33 40 136 A1 , CN 103 657 808 A and EN 10 2013 200164 A1 reveal shredders or mixers, which are used in particular for shredding garden waste.
  • the device according to the invention for shredding strip-shaped material comprises a housing with at least one feed opening for the strip-shaped material and a discharge opening for the material resulting therefrom, ie from the strip-shaped Material, shredded material, a knife holder which is mounted within the housing so as to be rotatable about an axis, at least one knife which is fastened to the knife holder, in particular detachably, and at least one counter knife which is fastened to the housing, in particular detachably, and a drive which is designed to rotate the knife holder.
  • the device according to the invention is characterized in that a first direction of rotation and a second direction of rotation of the knife holder, opposite to the first direction of rotation, about the axis can be specified using the drive.
  • the knife holder is configured to shred the strip-shaped material regardless of its direction of rotation, which makes it more suitable for versatile, in particular long-term use.
  • a cutting edge of the at least one knife forms a cutting plane that is perpendicular to the axis by rotating the knife holder about the axis.
  • the cutting edge is understood to be the sharp part of the knife from which the cutting effect of the knife emanates.
  • a cutting gap between the at least one knife and the at least one counter knife can be varied, in particular by adjusting the knife holder along the axis.
  • the cutting gap refers to the minimum distance between the cutting edge of the knife and a cutting edge of the counter knife when they make the cut together. In order to cut reliably, it is important that the cutting gap is set correctly. Manufacturing inaccuracies in both the knives and counter knives as well as in the knife holder and other parts of the device can ensure that the cutting gap can be set correctly. In addition, extremely thin or extremely thick packaging materials can require a different cutting gap for an optimal cutting result.
  • the knife and/or the counter knife may each have at least two cutting edges, preferably on opposite sides. It is irrelevant whether the knife and/or counter knife each have two cutting edges or whether two knives and/or two counter knives, each with one cutting edge, are attached in such a way that they correspond to one knife and/or counter knife with two cutting edges.
  • the cutting edge is at least partially straight, serrated, concave and/or convex.
  • Different packaging materials can sometimes only be cut more reliably with different designs of the cutting edges.
  • a serrated or wavy cutting edge is particularly suitable for cutting thin and tough packaging materials.
  • brittle or thicker packaging materials can be cut optimally with straight cutting edges.
  • first cutting edge and the second cutting edge can be designed differently or identically.
  • two counter knives are arranged on the circumference of the at least one feed opening, in particular essentially symmetrically to an imaginary center line which divides the feed opening into two areas of equal area.
  • the imaginary center line goes through the center of the feed opening, which corresponds to the geometric center of gravity of the feed opening, regardless of its geometry.
  • the counter knives are arranged on the at least one feed opening in such a way that the cutting edge of the first counter knife engages with the first cutting edge of the at least one knife in order to be able to carry out a cutting process when the knife holder rotates in the first direction of rotation. And when the knife holder rotates in the second direction of rotation opposite to the first, the cutting edge of the second counter knife engages with the second cutting edge of the at least one knife in such a way that a cutting process can be carried out.
  • the knives and counter knives can be designed the same. This has the advantage of using identical parts and thus higher quantities and lower costs. If one cutting edge of a knife and counter knife is designed, for example, as a straight cutting edge and the other cutting edge as a serrated or wavy cutting edge, the knives and counter knives can be arranged in such a way that when the knife holder rotates in the first direction of rotation, the respective straight cutting edges of the knives and counter knives make a cut with each other and when the first direction of rotation is reversed in the second direction of rotation, the respective serrated or wavy cutting edges of the knives and counter knives make a cut with each other.
  • the invention is characterized in that the at least one counter knife on the housing is height-adjustable and/or tiltable. This ensures, on the one hand, that even in the event of manufacturing inaccuracies, the cutting edges of the counter knives can always be aligned parallel to the cutting edges of the knives and, on the other hand, that the cutting gap is adjustable. It is conceivable that the set cutting gap between the knives and counter knives that engage when the knife holder rotates in the first direction of rotation is different from the cutting gap of the knives and counter knives that engage when the knife holder rotates in the second direction of rotation. Different cutting gaps can thus be set for different packaging materials by reversing the direction of rotation of the knife holder.
  • a negative pressure can be applied to the discharge opening.
  • the negative pressure can be generated by a negative pressure generating device, for example a suction unit.
  • the negative pressure and the resulting volume flow can feed the strip-shaped material through the feed opening into the housing and the shredded packaging material can be reliably discharged from the housing and fed into a waste container.
  • the volume flow keeps the strip-shaped material "under tension", which improves the cutting result.
  • the invention also relates to a method for operating a device for shredding strip-shaped material, in particular packaging material.
  • at least one knife holder is used for shredding the strip-shaped material, which is mounted so as to be rotatable in a first direction of rotation as well as in a second direction of rotation opposite to the first direction of rotation.
  • the strip-shaped material is shredded by means of a knife holder, regardless of whether it rotates in the first or in the second direction of rotation.
  • a further development of the method according to the invention is characterized in that the rotation speed is changed by means of a control to adjust the size of the shredded material.
  • the choice of the optimal rotation speed and thus also the optimal cutting speed can vary from packaging material to packaging material. The optimal rotation speed can therefore be selected for each packaging material.
  • the size of the shredded material can be adjusted by selecting the rotation speed. The faster the rotation speed, the smaller the shredded material becomes.
  • a highly shredded material has the advantage of low packing density, which means that more shredded material can be accommodated in a waste container because there are fewer hollow spaces between the individual pieces of material. This means that the interval at which the waste container has to be emptied can be increased, which leads to less downtime for the packaging machine and thus to higher productivity. If, on the other hand, the rotation speed is reduced, fewer cuts are made in the same time interval. This leads to less wear on the blades and thus to fewer maintenance intervals and less consumption of wearing parts and therefore to lower costs.
  • control system stores operating parameters of the device, preferably the direction of rotation and/or the speed of rotation, in a data storage device, in particular in the control system.
  • Operating parameters can be understood as all parameters that are necessary for operating the device. All operating parameters of the packaging machine or the food processing line, including those of the device, that are necessary for producing a specific product are stored in a recipe.
  • Packaging machines or food processing lines can be designed to produce different products. If the operator wants to switch from producing one product to another, he can change the recipe in the control system, i.e. by activating the recipe in the control system, and assign the necessary operating parameters to the entire packaging machine or food processing line, in particular specifying the direction of rotation for the knife holder on the shredding device. He therefore does not have to make the settings for each individual station or device of a packaging machine or food processing line separately, but can do this collectively.
  • the invention relates to a packaging machine, in particular a thermoforming packaging machine, which has the device according to the invention and to a packaging machine, in particular a thermoforming packaging machine, which is designed to carry out the method according to the above explanations.
  • the application also relates to a food processing line as described above.
  • FIG. 1 shows schematically an embodiment of a thermoforming packaging machine 100.
  • the thermoforming packaging machine 100 has a forming station 101, a sealing station 102, a cross-cutting station 103 and a longitudinal cutting station 104, as well as a device 1 for shredding strip-shaped material 2. These are arranged in the named order in a transport direction T on a machine frame 105.
  • thermoforming packaging machine 100 On the input side, a feed roller 106 is provided on the machine frame 105, from which a first film 107, the so-called bottom film, is pulled off. In the area of the sealing station 102, a second roller 108 is provided, from which a second film 109, the so-called top film, is pulled off. On the output side, a conveyor belt 110 is provided on the thermoforming packaging machine 100, with which finished, separated packages 111 are transported away.
  • the thermoforming packaging machine 100 also has a feed device (not shown) which can grasp the bottom film 107 and, preferably in a main work cycle, transport it further intermittently in the transport direction T.
  • the feed device can be implemented, for example, by laterally arranged transport chains, preferably clamp chains.
  • the forming station 101 is designed as a deep-drawing station.
  • one or more packaging cavities 113 are formed in the first film 107 by deep-drawing.
  • the forming station 101 can be designed in such a way that several packaging troughs 113 can be formed next to one another in a direction perpendicular to the transport direction T.
  • An insertion section 112 is provided behind the forming station 101 in the transport direction T.
  • the packaging troughs 113 formed in the bottom film 107 are filled with products (not shown).
  • an atmosphere in the packaging cavities 113 can be removed before sealing, for example by vacuuming and/or replaced by gas flushing with a replacement gas or with a replacement gas mixture. Or the sealing station 102 simply closes the packaging cavities 113 with the top film 109 without changing the atmosphere inside the packaging cavities 113.
  • the cross-cutting station 103 is designed to cut the bottom film 107 and the top film 109 in a direction transverse to the transport direction T between adjacent packaging troughs 113.
  • the cross-cutting station 103 is configured such that the bottom film 107 is not divided over the entire width, but is not cut at least in one edge area. This enables a controlled further transport of the film composite by the feed device.
  • the longitudinal cutting station 104 is, as in the embodiment shown, designed as a rotating circular knife arrangement with which the bottom film 107 and the top film 109 are severed between adjacent packaging troughs 113 and at the lateral edge of the bottom film 107, whereby individual packages 111 are present behind the longitudinal cutting station 104.
  • edge strips remain in the feed device, which are present as strip-shaped material 2. They are conveyed out of the feed device in the end region of the thermoforming packaging machine 100 and fed to the device 1.
  • the thermoforming packaging machine 100 also contains a controller 14, which has a data memory 15.
  • the controller 14 is configured to control and/or monitor the processes taking place in the thermoforming packaging machine 100.
  • a display and operating device 114 is preferably provided with operating elements (not shown) and is designed to visualize or influence process sequences in the packaging machine 100 for or by an operator.
  • FIG 2 an embodiment of the device 1 according to the invention is shown in a sectional view in plan view.
  • a rotatably mounted knife holder 7 which in this embodiment is equipped with two knives 9.
  • the knives 9 each have two Cutting edges 9a, 9b.
  • the cutting edges 9a, 9b are aligned such that the cutting edges 9a are directed in the first rotation direction r1 and the cutting edges 9b are directed in the second rotation direction r2.
  • the device 1 has a total of four counter knives 10, two of which are placed at each feed opening 4.
  • the counter knives 10 are arranged at the feed opening 4 such that they are each symmetrical to a center line 12 which extends through a center point M of the feed opening 4.
  • the counter knives 10 have only one cutting edge 10a, 10b.
  • a counter knife 10 with cutting edge 10a and a counter knife 10 with cutting edge 10b are placed at each feed opening 4. And arranged such that a strip-shaped material 2 (in Figure 5 shown) can be fed through the feed opening 4 and is crushed by the cutting edges 9a, 10a when the first rotation direction r1 is selected and is crushed by the cutting edges 9b, 10b when the second rotation direction r2 is selected.
  • FIG 3 an embodiment of the device 1 according to the invention is shown in a sectional side view.
  • the housing 3 has two feed openings 4 and one discharge opening 5.
  • FIG 4 a detailed view of an area of the knives 9 and counter knives 10 of an embodiment of the device according to the invention is shown.
  • a cutting plane 13 runs perpendicular to the axis 8 and through the cutting edges 9a, 9b of the knives 9.
  • a cutting gap d is formed between the cutting plane 13 and the cutting edges 10a of the counter knives 10.
  • the cutting gap d between the cutting edges 9a, 10a can differ from a cutting gap d' of the cutting edges 9b, 10b.
  • FIG. 5 is a sectional view of an embodiment of the device 1 according to the invention in a perspective view.
  • Strip-shaped material 2 is fed through the feed opening 4 by means of negative pressure which is applied to the discharge opening 5.
  • the strip-shaped material 2 is still held by the feed device and with each main work cycle of the thermoforming packaging machine a corresponding length of the strip-shaped material 2 is released.
  • the knife holder 7 By rotating the knife holder 7 about the axis 8, the strip-shaped material 2 is cut into shredded material 6 by means of a cutting process using the knives 9 and the counter knives 10.
  • the shredded material 6 is conveyed out through the discharge opening 5 by the negative pressure applied.
  • FIG 6 is a sectional view of an embodiment of the device according to the invention.
  • the cutting edges 9a, 10a are designed as straight cutting edges and the cutting edges 9b, 10b as serrated cutting edges.
  • the cutting process is carried out by the interaction of the cutting edges 9a and the cutting edges 10a when the knife holder 7 rotates in the second rotation direction r2.
  • the cutting process is carried out by the interaction of the cutting edges 9b and the cutting edges 10b.
  • the cutting edges 9b, 10b in a serrated design are usually particularly suitable for cutting thin and tough packaging material, and the cutting edges 9a, 10a in a straight design are particularly suitable for cutting thick and brittle packaging material.
  • Figure 7 shows a schematic representation of an embodiment of a food processing line 600. It consists of a food slicing machine 200, a transport system 300, the thermoforming packaging machine 100, handling modules 400 and a final packaging system 500.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (14)

  1. Machine d'emballage, en particulier machine d'emballage par thermoformage (100), comprenant un dispositif (1) pour broyer un matériau en forme de bande (2), en particulier un matériau d'emballage, dans laquelle le dispositif (1) comprend un boîtier (3) avec au moins une ouverture d'alimentation (4) pour le matériau en forme de bande (2) et une ouverture d'évacuation (5) pour le matériau (6) broyé à partir de celui-ci, un porte-lame(7) qui est monté rotatif autour d'un axe (8) à l'intérieur du boîtier (3), au moins une lame (9) qui est fixée au porte-lame (7), en particulier de manière amovible, et au moins une lame antagoniste (10) qui est fixée au boîtier (3), en particulier de manière amovible, et un entraînement (11) qui est conçu pour faire tourner le porte-lame (7), caractérisée en ce qu'une première direction de rotation (r1) et une seconde direction de rotation (r2), opposée à la première, du porte-lame (7) autour de l'axe (8) peuvent être prédéterminées à l'aide de l'entraînement (11).
  2. Machine d'emballage selon la revendication 1, caractérisée en ce qu'une arête de coupe (9a, 9b) de la au moins une lame (9) forme un plan de coupe (13) qui est perpendiculaire à l'axe (8) par rotation du porte-lame (7) autour de l'axe (8).
  3. Machine d'emballage selon la revendication 1 ou 2, caractérisée en ce qu'une fente de coupe (d) entre la au moins une lame (9) et la au moins une lame antagoniste (10) peut être modifiée.
  4. Machine d'emballage selon l'une quelconque des revendications précédentes, caractérisée en ce que le lame (9) et/ou la lame antagoniste (10) disposent chacune d'au moins deux arêtes de coupe (9a, 9b, 10a, 10b), de préférence sur des côtés opposés.
  5. Machine d'emballage selon la revendication 4, caractérisée en ce que l'arête de coupe (9a, 9b, 10a, 10b) est formée au moins par endroits rectiligne, dentelée, concave et/ou convexe.
  6. Machine d'emballage selon la revendication 4 ou 5, caractérisée en ce que la première arête de coupe (9a, 10a) et la seconde arête de coupe (9b, 10b) sont réalisées différentes ou identiques.
  7. Machine d'emballage selon l'une quelconque des revendications précédentes, caractérisée en ce que deux lames antagonistes (10) sont agencées sur le côté périphérique de la au moins une ouverture d'alimentation (4), en particulier de manière sensiblement symétrique par rapport à une ligne médiane imaginaire (16) qui divise l'ouverture d'alimentation (4) en deux zones de même taille en termes de surface.
  8. Machine d'emballage selon la revendication 7, caractérisée en ce que les arêtes de coupe (10a, 10b) des lames antagonistes (10) sont réalisées différentes ou identiques.
  9. Machine d'emballage selon l'une quelconque des revendications précédentes, caractérisée en ce que la au moins une lame antagoniste (10) est fixée au boîtier de manière réglable en hauteur et/ou inclinable.
  10. Machine d'emballage selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une dépression peut être appliquée à l'ouverture d'évacuation (5).
  11. Procédé au moyen d'une machine d'emballage, en particulier d'une machine d'emballage par thermoformage (100), qui est conçue pour faire fonctionner un dispositif (1) pour broyer un matériau en forme de bande (2), en particulier un matériau d'emballage, caractérisé en ce qu'au moyen du dispositif (1) pour broyer le matériau en forme de bande (2), au moins un porte-lame (7) monté de manière rotative à la fois dans une première direction de rotation (r1) et dans une seconde direction de rotation (r2) opposée à la première direction de rotation (r1) est utilisé.
  12. Procédé selon la revendication 11, caractérisé en ce que, pour ajuster la taille d'un matériau broyé (6), la vitesse de rotation est modifiée au moyen d'une commande (14).
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que la commande (14) stocke des paramètres de fonctionnement du dispositif (1), de préférence la direction de rotation (r1, r2) et/ou la vitesse de rotation dans une mémoire de données (15), en particulier de la commande (14).
  14. Ligne de traitement d'aliments (600), comprenant une machine d'emballage selon la revendication 1.
EP23166501.9A 2022-05-02 2023-04-04 Machine d'emballage avec dispositif de broyage de matériau en forme de bande et son procédé de fonctionnement Active EP4275796B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022110637.3A DE102022110637A1 (de) 2022-05-02 2022-05-02 Vorrichtung zum Zerkleinern von streifenförmigem Material und Verfahren zu deren Betrieb

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EP4275796A1 EP4275796A1 (fr) 2023-11-15
EP4275796B1 true EP4275796B1 (fr) 2024-08-21

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US (1) US20230347358A1 (fr)
EP (1) EP4275796B1 (fr)
DE (1) DE102022110637A1 (fr)
ES (1) ES2991711T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024105777A1 (de) 2024-02-29 2025-09-04 Multivac Sepp Haggenmüller Se & Co. Kg Automatische Produkt- und Rezepterkennung in Industriemaschine zum Verpacken oder zur Lebensmittelverarbeitung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703063C3 (de) 1977-01-26 1981-09-17 Steffens, Bert, 5470 Andernach Verfahren und Vorrichtung zur Rückgewinnung von Zellstoff und Kunststoff aus Zellstoff Hygieneartikeln
DE2714962C3 (de) 1977-04-04 1981-05-07 Karl-Heinz 3100 Celle Stukenberg Verfahren und Vorrichtung zum Abtransport und Zerkleinern von Randstreifen
DE3340136A1 (de) * 1983-11-07 1985-05-15 Hans Herbert Ing.(grad.) 8011 Vaterstetten Adam Zerkleinerungs- und mischmaschine fuer biologisches und organisches zerkleinerungsgut
DE3503519C2 (de) 1985-02-02 1987-01-08 Geha-Werke Gmbh, 3000 Hannover Gerät zum Zerkleinern von Informationsträgern, insbesondere auch von Farbbandkassetten
DE8814978U1 (de) 1988-12-01 1989-02-02 Krämer + Grebe GmbH & Co KG Maschinenfabrik, 3560 Biedenkopf Zerkleinerungsvorrichtung
DE29907834U1 (de) 1999-05-03 1999-07-08 Multivac Sepp Haggenmüller GmbH & Co., 87787 Wolfertschwenden Vorrichtung zum Fördern und Zerkleinern eines Folienstreifens
DE102008039841A1 (de) 2008-08-27 2010-03-04 Ulma Packaging Technological Center, S. Coop Verpackungsmaschine mit Abfallschneider
DE102013200164A1 (de) * 2012-02-03 2013-08-08 Avermann Laser- und Kant-Zentrum GmbH Vorrichtung zur Aufbereitung von organischen Stoffen, nämlich Tiernahrung-, Speise- oder Lebensmittelabfällen und/oder Abfällen des Schlachtgewerbes unterschiedlicher Ausgangsstruktur und Konsistenz
JP2014065089A (ja) * 2012-09-24 2014-04-17 Aisin Ai Co Ltd 切り粉破砕装置、切り粉破砕刃、並びに前記切り粉破砕装置における切り粉破砕データ収集方法

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DE102022110637A1 (de) 2023-11-02
EP4275796A1 (fr) 2023-11-15
US20230347358A1 (en) 2023-11-02
ES2991711T3 (es) 2024-12-04

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