EP3819221B1 - Machine d'emballage par emboutissage pourvu de dispositif de pliage - Google Patents

Machine d'emballage par emboutissage pourvu de dispositif de pliage Download PDF

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Publication number
EP3819221B1
EP3819221B1 EP20205189.2A EP20205189A EP3819221B1 EP 3819221 B1 EP3819221 B1 EP 3819221B1 EP 20205189 A EP20205189 A EP 20205189A EP 3819221 B1 EP3819221 B1 EP 3819221B1
Authority
EP
European Patent Office
Prior art keywords
packaging machine
web
unit
sealing
layered
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
EP20205189.2A
Other languages
German (de)
English (en)
Other versions
EP3819221A1 (fr
Inventor
Christian Lau
Reinhard Ruhland
Dominik Patz
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
Original Assignee
Multivac Sepp Haggenmueller GmbH and Co KG
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
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Publication of EP3819221A1 publication Critical patent/EP3819221A1/fr
Application granted granted Critical
Publication of EP3819221B1 publication Critical patent/EP3819221B1/fr
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Classifications

    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/14—Feeding webs from rolls by grippers
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/16—Advancing webs by web-gripping means, e.g. grippers, clips
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • 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
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1315—Edges side edges, i.e. regarded in context of transport
    • 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
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/132—Side portions
    • B65H2701/1322—Side portions corner
    • 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
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film
    • 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
    • B65H2801/81—Packaging machines

Definitions

  • the invention relates to a thermoforming packaging machine according to the preamble of claim 1.
  • the invention also relates to a method according to claim 7.
  • thermoforming packaging machines On conventional thermoforming packaging machines, a web of material is pulled from a material store in the form of a film roll at the entrance to the machine frame and gripped at the edge in the area of a feed of a chain guide by means of clamp chains arranged on both sides in order to transport the web of material further in the production direction per machine work cycle.
  • packaging materials In practice, ever thinner packaging materials are being used to reduce weight and material costs.
  • sensitive, i.e. very thin, packaging materials can tear out in the area of the chain clamps. Such tears in the packaging material can negatively affect the film transport and thus also the associated manufacturing process along the thermoforming packaging machine.
  • the DE 10 2017 114 861 A1 discloses a packaging machine with a film transport device configured to transport two vertically aligned film webs together or a simply folded over and vertically aligned film web in a production direction along work stations of the packaging machine.
  • the EP 2 522 580 A1 discloses a tool changing device for a thermoforming packaging machine, which enables a lateral tool change out of the thermoforming packaging machine.
  • the object of the invention is to avoid the tears in the packaging material described above.
  • thermoforming packaging machine having the features of claim 1.
  • This object is also achieved by means of a method according to claim 7.
  • Advantageous developments of the invention are specified in the respective dependent claims.
  • thermoforming packaging machine comprises a machine frame, a forming station for thermoforming troughs in a web of material, for example in a plastic film, preferably in a plastic film with a film thickness of less than 200 ⁇ m, more preferably in a plastic film with a film thickness of less than 100 ⁇ m, a Filling line for filling products into the troughs, as well as a sealing station for sealing the troughs.
  • thermoforming packaging machine has a chain guide for guiding a clamp chain, which is designed to grip the fabric web in order to transport the fabric web in the direction of production along the thermoforming packaging machine.
  • thermoforming packaging machine has at least one folding device, positioned upstream of a feed of the chain guide in the production direction, for forming a multi-layer edge region intended for gripping by means of the clamp chain.
  • the fabric web can be folded over at least once, if necessary even several times, in its edge area intended for chain clamping before it gets caught in the chain guide, i.e. before it is clamped or held, which creates a multi-layer, tear-resistant edge zone for gripping with the clamp chains becomes.
  • the load on the individual layer of the web of material can be reduced within the multi-layer edge area, as a result of which tears in the edge area of the web of material can be better avoided.
  • a predetermined fabric web tension can thus be maintained.
  • thermoforming packaging machine By means of the folding device arranged on the thermoforming packaging machine according to the invention upstream of the infeed of the chain guide, a tear-resistant, multi-layer edge zone can be produced for transporting the fabric web, in particular for holding it in place or hooking it in using the chain clamps, on which stable clamping by means of the chain clamps is possible. to safely and precisely transport the web of material, which is otherwise very thin for the production of trays, along the thermoforming packaging machine.
  • the invention is therefore particularly suitable for transporting and processing very thin, sensitive packaging materials.
  • the folding device comprises at least one deflection unit, which is designed to deflect at least one side edge of the fabric web fed to it in the transport direction into a conveying direction that increasingly deviates from the production direction and is directed inwards of the machine frame, in order to turn the side edge inwards to form the multi-layer edge region.
  • the deflection unit can be provided for turning over the side edge using structurally simple and inexpensive means.
  • a deflection unit is positioned on both sides of the machine frame, which are preferably arranged opposite one another and have the same shape in order to form a multi-layer edge area on both sides of the transported packaging material.
  • the deflection unit has a deflection ramp for deflecting the side edge inwards of the machine frame and a down guide which is designed to guide down the side edge deflected inwards by means of the deflection ramp onto the fabric web.
  • the deflection unit is easy to manufacture.
  • the deflection unit can be integrated into the structure of the thermoforming packaging machine in a cost-effective and compact manner.
  • the deflection unit coordinate the deflection and lowering of the side edge for the production of the multi-layered edge region simply by their constructive configuration, ie their shape, without additional drive means, in particular without an additional energy source.
  • the deflection unit is designed as a one-piece sheet metal part that is spiral-shaped at least in sections.
  • the sheet metal part can be mounted on the machine frame. It would be conceivable for flexible use that the sheet metal part is mounted so that it can be infinitely adjusted longitudinally and/or transversely to the direction of production, for example being displaceable along suitable longitudinal and/or transverse guides on the machine frame.
  • the deflection ramp and the down guide are integrally formed in such a way that they provide a helical guide path for the side edge, along which the side edge automatically rises, is transversely directed and is brought down when it passes through the deflection unit.
  • the deflection unit gives the side edge the direction, so to speak, for the folding process.
  • all surface sections of the deflection unit are preferably designed to be inclined relative to a horizontal plane.
  • a sealing device is preferably provided at an exit of the folding device, i.e. upstream of the infeed of the chain guide, for the cohesive connection of at least one section of the multi-layer edge area leaving the folding device. This allows a material bond between the folded layers to be produced at least in sections in the edge area, for example using at least one sealing seam produced in the edge area, as a result of which the edge area provided for the stapling can become even more robust.
  • the sealing device has at least one sealing roller positioned above the multi-layer edge area fed to it and at least one counter-pressure roller positioned below it in order to continuously seal the multi-layer edge area guided through between them.
  • At least one continuous sealed seam can thus be produced along the multi-layer edge region, which materially connects the layers folded onto one another.
  • the shape, in particular the thickness of the sealing seam can be optionally varied.
  • the sealing device preferably comprises at least one sealing bar positioned above, along a section of the multi-layer edge area, and at least one counter-pressure bar positioned below, in order to cyclically seal the multi-layer edge area passed between them.
  • the heat input required for the sealing process within the multi-layer edge area can be controlled synchronously with the machine work cycle of the thermoforming packaging machine, which means that unnecessary heat input can be avoided.
  • the sealing bar and the counter-pressure bar can be controlled in such a way that they are only brought together when the web of material is at a standstill in order to form the sealed seam in the multi-layered edge area clamped between them, while both are spaced apart from one another as the web of material is transported onward, which means that the heat input into the packaging material is suspended.
  • the sealing device for setting a sealing seam position is mounted so that it can be adjusted transversely to the direction of production.
  • the sealed seam can thus assume different positions within the multi-layer edge area, so that the sealed seam can be produced at a predetermined distance from the chain of staples.
  • the sealed seam could be produced along the multi-layer edge area in such a way that it is not clamped by chain links of the clamp chains by being formed in the multi-layer edge area at a distance from the chain links inward of the machine frame.
  • the multi-layered edge area of the material web can optionally be produced particularly robustly by assigning a material strip device to the folding device and/or the sealing device, which is designed to store a separate material strip for incorporation into the multi-layered edge area. It would be conceivable for the material strip device to be integrated into the sealing device. It could be the case, for example, that the strip of material is continuously introduced into the multi-layer edge area by means of the sealing roller or the counter-pressure roller. In order to achieve a desired robustness of the edge area, the edge strip can have a material that has a higher tear resistance than the fabric web, for example a strip based on paper.
  • the invention also relates to a method for forming a multi-layered edge region of a fabric intended to be grasped by means of a staple chain.
  • the multi-layer edge area is formed by means of a folding device of a thermoforming packaging machine in the direction of production upstream of a feed of a chain guide for the chain of staples.
  • the web of material used on the thermoforming packaging machine at the beginning of the manufacturing process is whose edge area is folded over at least once in order to create a robust, multi-layered fold zone to which the staple chains can hook.
  • the folding device already positioned at the entrance of the machine frame of the thermoforming packaging machine in the invention creates a tear-resistant, multi-layer edge area on the fabric web for stapling by means of the staple chains, so that tears no longer occur in the area of the stapling.
  • This also has the consequence that the web of material can be transported along the thermoforming packaging machine more precisely overall, as a result of which the web of material can be provided to the individual work stations of the thermoforming packaging machine in a more accurate position.
  • very thin packaging materials can be excellently processed on the thermoforming packaging machine using the invention.
  • a deflection unit By means of a deflection unit, at least one side edge of the fabric web fed to it in the production direction is deflected to the folding device in a conveying direction that increasingly deviates from the production direction and is directed inwards of the machine frame, i.e. folded inwards of the machine frame in order to form the multi-layer edge region.
  • the side edge can thus be erected inwardly of the machine frame for the production of the multi-layered edge region, increasingly guided transversely to the production direction and brought down outwards of the deflection unit.
  • the deflection unit deflects the side edge inwards of the machine frame by means of a deflection ramp formed thereon and deflects the side edge deflected by means of the deflection ramp onto the fabric web by means of a down guide formed thereon. This allows the side edge of the web of material, which is guided in the deflection unit, to be turned over or folded inwards in a simple manner, in order to form the multi-layered edge area for the staple chain.
  • the robustness of the edge area can be increased in that a sealing device materially connects the multi-layer edge area emerging from the folding device at least in sections before the edge area is gripped by the staple chain.
  • the sealing device can use a running pairing of a sealing roller and a counter-pressure roller or alternatively a cyclically operated pairing of a sealing bar and a counter-pressure bar.
  • a material strip device has a separate material strip for incorporation into feeds the multi-layer edge area.
  • the material of the separately supplied strip of material does not necessarily have to correspond to the actual packaging material, so that it can have predetermined material properties with regard to a desired robustness of the multi-layer edge area.
  • FIG 1 shows a side view of an intermittently operating thermoforming packaging machine 1 according to the invention.
  • the thermoforming packaging machine 1 has a material store 2, a folding device 3, a forming station 4, a sealing station 5, a transverse cutting device 6 and a longitudinal cutting device 7, which are arranged in this order in a production direction R on a Machine frame 8 are arranged.
  • the material store 2 has a supply roll 9 which is arranged on the machine frame 8 on the input side and from which a web of material 10 is drawn off.
  • the thermoforming packaging machine 1 has a clamp chain 11, which grips the fabric web 10 and transports it further in the production direction R per main work cycle, in particular clamp chains 11 arranged on both sides.
  • the forming station 4 is designed as a deep-drawing station, in which depressions 12 are formed in the fabric web 10 by deep-drawing, for example by means of compressed air and/or vacuum.
  • the forming station 4 can be designed in such a way that several depressions 12 are formed next to one another in the direction perpendicular to the production direction R.
  • a filling line 13 In the direction of production R behind the forming station 4 there is a filling line 13 in which the depressions 12 formed in the fabric web 10 are filled with a product 14 .
  • the sealing station 5 has a hermetically sealable chamber 15 in which the atmosphere in the troughs 12 can be evacuated prior to sealing with the upper web of material 17 released from a packaging material holder 16, for example, and/or can be replaced by flushing with a replacement gas or with a gas mixture .
  • the cross-cutting device 6 can be designed as a punch, which cuts through the fabric web 10 and the upper fabric web 17 in a direction transverse to the production direction R between adjacent troughs 12 .
  • the cross-cutting device 6 works in such a way that the fabric web 10 is not severed over the entire width, which enables controlled further transport through the clamp chain 11 .
  • the longitudinal cutting device 7 can be designed as a knife arrangement with which the material web 10 and the upper material web 17 sealed therewith are severed between adjacent troughs 12 and at the lateral edge of the material web 10 in the production direction R, so that individual packaging 18 is present behind the longitudinal cutting device 7.
  • the thermoforming packaging machine 1 also has a controller 19. It has the task of controlling and monitoring the processes taking place in the thermoforming packaging machine 1.
  • a display device 20 with operating elements 21 is used by an operator to visualize or influence the process sequences in the thermoforming packaging machine 1 .
  • thermoforming packaging machine 1 Central electrical and/or electronic components of the thermoforming packaging machine 1 are arranged in a control cabinet 22, for example the connection to an external power source.
  • the side of the thermoforming packaging machine 1 facing the viewer is the operating side B, on which operators stand to actuate the operating elements 21 or, if necessary, to fill the packaging cavities 12 along the filling line 13 .
  • the control cabinet 22 is arranged on the side of the thermoforming packaging machine 1 opposite the operating side B.
  • figure 2 shows the technical principle of the folding device 3 on the operating side B in figure 1 thermoforming packaging machine 1 shown.
  • the same technique can be used in order to form a multi-layer edge region 10b there as well.
  • Clamp chain 11 shown is guided in a chain guide 23.
  • the folding device 3 is arranged upstream of a schematically illustrated feeder 24 of the chain guide 23 .
  • the folding device 3 has a deflection unit 25, which is designed to deflect a side edge 10a of the web of material 10 fed to it in the production direction R into a conveying direction F, which increasingly deviates from the production direction R and is directed inwards of the machine frame 8, in order to deflect the side edge 10a to form a multi-layer Edge region 10b turn inwards.
  • the multi-layer edge area 10b is designed to be grasped by means of the clamp chain 11.
  • a sealing device 27 is arranged.
  • the sealing device 27 is configured to connect the multi-layer edge region 10b emerging from the deflection unit 25 with a material bond, at least in sections.
  • the sealing device 27 has a sealing roller 28 positioned above the multi-layer edge region 10b fed to it and a counter-pressure roller 29 positioned below it, in order to continuously seal the multi-layer edge region 10b guided therebetween.
  • the sealing roller 28 and/or the counter-pressure roller 29 can have a heated roller surface.
  • FIG 2 Schematically shows figure 2 also that the sealing device 27 is assigned a material strip device 30 which is designed to hold available a separate material strip 31 for incorporation into the multi-layer edge area 10b.
  • the separate strip of material 31 is fed to the multi-layer edge area 10b by means of the sealing roller 28 .
  • the material strip device 30 can be positioned upstream of the deflection unit 25 in order to feed the material strip 31 to the fabric web 10 in the region of the side edge 10a.
  • a deflection roller 32 is positioned upstream of the folding device 3 .
  • the deflection roller 32 is designed to deflect the material web 10 drawn off from the material store 2 in the production direction R towards the deflection unit 25 .
  • the deflection roller 32 can optionally be configured to be heated, at least in sections.
  • the side edge 10a is increasingly deflected downstream of the deflection roller 32 transversely to the direction of production R, inwards of the machine frame 8, whereby the side edge 10a in the area of the deflection unit 25 is raised inwards. As it passes through the deflection unit 25, the raised side edge 10a is lowered onto the underlying fabric web area in order to form the multi-layered edge area 10b.
  • figure 3 shows the turning over of the side edge 10a by means of the deflection unit 25 in a perspective view from the operating side B.
  • the side edge 10a of the material web 10 deflected by the deflection roller 32 in the production direction R is increasingly raised at the entrance 33 of the deflection unit 25 and increasingly deflected inward of the machine frame 8 .
  • the deflection unit 25 is equipped with a spiral deflection ramp 34 for deflecting the side edge 10a inward of the machine frame 8 and with a down guide 35, which is designed to guide the side edge 10a, which is deflected inward by means of the deflection ramp 34, down onto the fabric web 10.
  • the deflection ramp 34 and the down guide 35 are designed in one piece.
  • the deflection ramp 34 and the down guide 35 run in figure 3 substantially V-shaped to form an opening width W. At the exit 26 of the deflection unit 25, the deflection ramp 34 and the down guide 35 can form a slot S, at which the multi-layered edge region 10b leaves the deflection unit 25.
  • figure 4 shows the folding device 3 looking towards the operating side B, that is to say from an end-opposite direction according to FIG figure 3 .
  • the inwardly deflected side edge 10a raised by means of the deflection unit 25 leaves the deflection unit 25 through the slot S formed thereon, folded onto the fabric web 10 underneath.
  • the sealing device 27 arranged downstream of the deflection unit 25 the multi-layer edge region 10b can be positively connected at least in sections in order to form an even more stable region for gripping by means of the staple chain 11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (9)

  1. Machine d'emballage par emboutissage (1), comprenant un bâti de machine (8), un poste de formage (4) pour un emboutissage de creux (12) dans une bande de tissu (10), un trajets de remplissage (13) pour un remplissage des creux (12) avec des produits (14), un poste de scellage (5) pour le scellage des creux (12), et un guide de chaîne (23) pour le guidage d'une chaîne de serrage (11), qui est conçu pour saisir la bande de tissu (10), afin de transporter la bande de tissu (10) dans une direction de production (R) le long de la machine d'emballage par emboutissage (1), dans laquelle la machine d'emballage par emboutissage (1) présente au moins un dispositif de pliage (3) positionné dans la direction de production (R) en amont d'une entrée (24) du guide de chaîne (23), pour le formage d'une zone de bord multicouche (10b), qui est prévue pour être saisie au moyen de la chaîne de serrage (11), et dans laquelle le dispositif de pliage (3) présente une unité de déviation (25) qui est conçue pour dévier au moins un bord latéral (10a) de la bande de tissu (10) qui lui est amené dans la direction de production (R) dans une direction de transport (F) de plus en plus différente de la direction de production (R), dirigée vers l'intérieur du bâti de machine (8), afin de dévier le bord latéral (10a) vers l'intérieur pour former la zone de bord multicouche (10b), caractérisée en ce que l'unité de déviation (25) présente une rampe de déviation (34) pour dévier le bord latéral (10a) vers l'intérieur du bâti de machine (8) ainsi qu'un guide d'abaissement (35) qui est conçu pour dévier le bord latéral (10a) dévié vers l'intérieur au moyen de la rampe de déviation (34) vers le bas sur la bande de tissu (10).
  2. Machine d'emballage par emboutissage selon la revendication 1, caractérisée en ce que l'unité de déviation (25) est réalisée sous la forme d'une pièce de tôle monobloc en forme de spirale au moins par sections.
  3. Machine d'emballage par emboutissage selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un dispositif de scellage (27) est prévu au niveau d'une sortie (26) du dispositif de pliage (3) pour relier par complémentarité de matière au moins une section de la zone de bord multicouche (10b) quittant le dispositif de pliage (3).
  4. Machine d'emballage par emboutissage selon la revendication 3, caractérisée en ce que le dispositif de scellage (27) présente au moins un rouleau de scellage (28) positionné au-dessus de la zone de bord multicouche (10b) qui lui est amenée et au moins un rouleau de contre-pression (29) positionné en dessous pour sceller de manière continue la zone de bord multicouche (10b) qui passe entre eux.
  5. Machine d'emballage par emboutissage selon la revendication 3, caractérisée en ce que le dispositif de scellage (27) présente au moins une barre de scellage positionnée au-dessus et le long d'une section de la zone de bord multicouche (10b) et au moins une barre de contre-pression positionnée en dessous pour sceller de manière cadencée la zone de bord multicouche (10b) qui passe entre elles.
  6. Machine d'emballage par emboutissage selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif de pliage (3) est associé à un dispositif de ruban de matériau (30) qui est conçu pour maintenir un ruban de matériau séparé (31) pour une incorporation dans la zone de bord multicouche (10b).
  7. Procédé de formage d'une zone de bord multicouche (10b) d'une bande de tissu (10), prévue pour être saisie au moyen d'une chaîne de serrage(11), dans lequel la zone de bord multicouche (10b) est formée au moyen d'un dispositif de pliage (3) d'une machine d'emballage par emboutissage (1) dans une direction de production (R) en amont d'une entrée (24) d'un guide de chaîne (23) pour la chaîne de serrage (11), et dans lequel au moins un bord latéral (10a) de la bande de tissu (10), qui lui est amené dans la direction de production (R), est dévié au moyen d'une unité de déviation (25) du dispositif de pliage (3) dans une direction de transport (F), qui s'écarte progressivement de la direction de production (R) et qui est dirigée vers l'intérieur du bâti de machine (8), afin de rabattre le bord latéral (10a) vers l'intérieur pour former la zone de bord multicouche (10b), caractérisé en ce que l'unité de déviation (25) dévie le bord latéral (10a) vers l'intérieur du bâti de machine (8) au moyen d'une rampe de déviation (34) formée sur celle-ci et dévie vers le bas le bord latéral (10a) dévié au moyen de la rampe de déviation (34) au moyen d'un guide d'abaissement(35) formé sur celle-ci jusque sur la bande de tissu (10).
  8. Procédé selon la revendication 7, caractérisé en ce qu'un dispositif de scellage (27) relie au moins par sections la zone de bord multicouche (10b) sortant du dispositif de pliage (3) par complémentarité de matière avant que la zone de bord (10b) ne soit saisie au moyen de la chaîne de serrage (11).
  9. Procédé selon la revendication 7 ou 8, caractérisé en ce qu'un dispositif de ruban de matériau (30) fournit un ruban de matériau séparé (31) pour une incorporation dans la zone de bord multicouche (10b).
EP20205189.2A 2019-11-05 2020-11-02 Machine d'emballage par emboutissage pourvu de dispositif de pliage Active EP3819221B1 (fr)

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JPS5862019A (ja) * 1981-10-09 1983-04-13 Toyota Motor Corp 高温樹脂シ−トの搬送方法
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DE4243325C2 (de) * 1992-12-21 1996-06-05 Unionpack Ind Lohnverpackungs Verfahren und Vorrichtung zum kontinuierlichen Herstellen von gefüllten Folienbehältern
DE20006336U1 (de) * 2000-04-05 2000-08-10 PS SystemPack GmbH, 19246 Zarrentin Vorrichtung an einer Verpackungsmaschine
DE102011101051A1 (de) * 2011-05-10 2012-11-15 Multivac Sepp Haggenmüller Gmbh & Co. Kg Werkzeugwechseleinrichtung
JP2013237550A (ja) * 2012-05-16 2013-11-28 Toshiaki Hara 深絞り包装機において使用される機構、及び、当該機構を有する深絞り包装機
JP6893352B2 (ja) * 2017-06-07 2021-06-23 株式会社メカナイズ 深絞り包装機
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