EP3539883A1 - Machine d'emballage par emboutissage à renversement de feuille - Google Patents

Machine d'emballage par emboutissage à renversement de feuille Download PDF

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Publication number
EP3539883A1
EP3539883A1 EP18210759.9A EP18210759A EP3539883A1 EP 3539883 A1 EP3539883 A1 EP 3539883A1 EP 18210759 A EP18210759 A EP 18210759A EP 3539883 A1 EP3539883 A1 EP 3539883A1
Authority
EP
European Patent Office
Prior art keywords
station
packaging machine
thermoforming packaging
web
machine according
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.)
Granted
Application number
EP18210759.9A
Other languages
German (de)
English (en)
Other versions
EP3539883B1 (fr
Inventor
Elmar Ehrmann
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
Application filed by Multivac Sepp Haggenmueller GmbH and Co KG filed Critical Multivac Sepp Haggenmueller GmbH and Co KG
Publication of EP3539883A1 publication Critical patent/EP3539883A1/fr
Application granted granted Critical
Publication of EP3539883B1 publication Critical patent/EP3539883B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • 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
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/02—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved with means for heating the material prior to forming
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • 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
    • 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
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to 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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/003—Packaging lines, e.g. general layout
    • 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
    • B65B9/045—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 for single articles, e.g. tablets
    • 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
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing webs
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/41704—Handling or changing web rolls involving layout of production or storage facility
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/35—Other elements with suction surface, e.g. plate or wall
    • B65H2406/351—Other elements with suction surface, e.g. plate or wall facing the surface of 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
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/191—Bags, sachets and pouches or the like
    • 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
    • B65H2701/19—Specific article or web
    • B65H2701/1944—Wrapping or packing material

Definitions

  • the present invention relates to the field of thermoforming packaging machines.
  • the invention relates to a thermoforming packaging machine for packaging food products.
  • a deep-drawn packaging machine in which a preheating station, a forming station, an insertion path, a sealing station and a cutting station are arranged one behind the other along a linear production direction.
  • a lower film web is withdrawn from a supply roll provided collinearly in front of the preheating station on a film receiver with respect to the production direction and then conveyed along the production direction by means of a transport device and fed to the individual processing stations.
  • packaging trays are formed in the lower sheet web at the forming station by deep-drawing.
  • the packaging trays are filled with products to be packaged.
  • the filled packaging trays are then sealed in the sealing station with a top film.
  • the sealed packages are released from the film composite so that they can subsequently be removed separately.
  • thermoforming packaging machine A disadvantage of the known thermoforming packaging machine is the high space requirement along the production direction. In principle, in order to avoid frequent changes, it would also be advantageous to use under-film supply rolls with a large amount of material and an associated large diameter. As a result, however, the space required along the production direction continues to increase.
  • the space requirement along the production directions is particularly relevant for many applications, since often more devices are to be arranged with respect to the production direction before the actual thermoforming packaging machine.
  • a slicer for food to be packaged may be placed in front of the thermoforming packaging machine. The sliced foods, such as sausage or cheese slices, can then by means of a parallel to the direction of production on the forming station extending feed belt, as for example from the EP 3 202 671 A2 is known to be transported to the Einlegeumble.
  • thermoforming packaging machine that can be set up to save space.
  • thermoforming packaging machine defines a preferably linear production direction and comprises a film receptacle for receiving a bottom film supply roll, a pretreatment station, a forming station, an insertion path and a sealing station.
  • the pre-treatment station is configured to pretreat the sub-web.
  • the forming station is downstream of the pretreatment station with respect to the production direction and comprises a forming tool for forming depressions in the sub-film web by deep drawing.
  • the molding tool may comprise a mold upper part and a mold lower part movable relative thereto, between which the lower film web is deep-drawn.
  • the insertion path is arranged downstream of the forming station with respect to the production direction.
  • the sealing station is arranged downstream of the insertion path with respect to the production direction and comprises a sealing tool for closing the hollows with a top film.
  • the sealing tool may comprise a sealing tool upper part and a sealing tool lower part movable relative thereto.
  • the top film can be sealed to the bottom film, for example by means of ultrasonic welding, heat welding or otherwise.
  • the thermoforming packaging machine further comprises a transport means adapted to convey the sub-web web along the direction of production through the pretreatment station, further to the forming station, further to the infeed path and finally to the sealing station.
  • the transport device is preferably operated in a clocked manner.
  • the thermoforming packaging machine also includes a diverter unit configured to deflect the sub-web of web about an angle with respect to a vertical axis prior to reaching the pre-treatment station.
  • the sub-web is deflected by the diverter after leaving the film receiver and before reaching the pretreatment station.
  • the deflection unit makes it possible to position the film holder more freely.
  • the film holder no longer has to be arranged linearly in front of the individual stations of the thermoforming packaging machine with respect to the production direction. This reduces the overall length of the thermoforming packaging machine along the production direction.
  • the film holder can be positioned so that it is more accessible for changing the lower film supply roll.
  • the deflection unit is arranged at least partially below the pretreatment station. As a result, the space requirement along the production direction can be further reduced.
  • the deflection unit uses space under the pre-treatment station and thus does not contribute or only to a small extent to the length extension of the thermoforming packaging machine.
  • the diverter unit is protected under the pretreatment station and stowed compactly.
  • the film holder is provided offset to the production direction.
  • the film holder can be offset with respect to the production direction optionally on the left side or the right side.
  • the accessibility of the thermoforming packaging machine at its front end is improved by a staggered provision of the film holder.
  • the deflecting unit may be configured to deflect the sub-sheet relative to the vertical axis by an angle between 60 ° and 120 °, an angle between 80 ° and 100 °, or an angle of at least substantially 90 °.
  • the film receptacle can be arranged so that the lower film web is withdrawn from the lower film supply roll substantially along a direction perpendicular to the direction of production.
  • the deflecting unit provided below the pretreatment station it would also be conceivable for the deflecting unit provided below the pretreatment station to be provided in front of further deflecting units so that the positioning of the film receptacle can be adapted essentially freely to the respective space specifications.
  • the deflection unit is configured such that a running direction of the lower film web after being deflected by the deflection unit, at least in projection from the top of the thermoforming packaging machine, is parallel or antiparallel to the production direction.
  • the sub-sheet can be easily prepared for incorporation into the production process of the thermoforming packaging machine.
  • the thermoforming packaging machine may additionally comprise an introduction device which is designed to introduce the sub-film web into the production sequence of the thermoforming packaging machine and / or into the pretreatment station after being deflected by the deflection unit.
  • the introduction device can transfer the lower film web at a suitable height and in a suitable orientation to the transport device, so that it is readily possible to resort to a transport device as known from known thermoforming packaging machines with a linearly superposed film receptacle with respect to the production direction.
  • the introduction device comprises one or more, in particular horizontally oriented deflection rollers.
  • the sub-sheet can be performed after deflecting by the deflection to an appropriate height to be supplied to the pretreatment station.
  • the deflection unit is present at least partially below the pretreatment station, the lower film web can thus be fed to the pretreatment station along the production direction.
  • the introduction device can be arranged at least partially below the pretreatment station. Thus, the space below the pre-treatment station can still be exploited.
  • the thermoforming packaging machine comprises a machine frame, on which the pretreatment station, the forming station, the insertion path and the sealing station are arranged one behind the other along the production direction.
  • the machine frame can have or define a recess region below the pretreatment station, in which the deflection unit is at least partially arranged.
  • the deflection unit is completely provided in the recess area of the machine frame.
  • the deflection unit it would also be conceivable for the deflection unit to protrude laterally or forwards beyond the machine frame.
  • the machine frame may have a counter to the production direction protruding boom on which the pretreatment station is arranged.
  • the deflecting unit can be arranged at least partially below the cantilever. By providing a jib of the machine frame, the space above the diverter unit can be used to attach the pre-treatment station.
  • the introduction device is attached to the machine frame.
  • the introduction device can be integrated into the thermoforming packaging machine in a simple and space-saving manner.
  • the pretreatment station may comprise, for example, a preheating station for preheating the sub-web prior to reaching the forming station.
  • a preheating station can be formed relatively flat compared to the forming station or the sealing station, so that a provision of the deflecting unit under the preheating station is possible without having to raise the machine frame in the preheating station.
  • the pre-treatment station may include a perforate or slot unit configured to punch or slit the sub-web.
  • the hole or slot unit may be configured to insert holes or slots in the sub-web which may later be used in the sealing station to evacuate the packages prior to sealing and / or to introduce a protective gas atmosphere into the packages, for example, durability of the packages to increase the product to be packaged.
  • the hole or slot unit is integrated with and / or attached to the machine frame.
  • the perforating or slitting unit may be made so flat as compared to the forming station or the sealing station that the provision of the deflecting unit under the perforating or slitting unit is possible without raising the height of the thermoforming packaging machine in the area of the perforating or slitting unit.
  • the hole or slot unit comprises a waste device configured to collect and / or remove film residues resulting from the punching or slitting of the sub-web.
  • a waste device configured to collect and / or remove film residues resulting from the punching or slitting of the sub-web.
  • the perforating or slitting unit comprises a suction device for sucking off film residues formed during the perforation or slitting of the lower film web. So the film residues can be removed automatically and reliably.
  • thermoforming packaging machine 1 shows in plan view a thermoforming packaging machine 1 according to one embodiment.
  • the thermoforming packaging machine 1 comprises a machine frame 3 on which along a production direction P a pretreatment station 5, a forming station 7, an insertion path 9, a sealing station 11 and a cutting station 13 are arranged linearly one behind the other. It is also a transport device 15 is provided, which is adapted to a lower film web 17 along the transport direction P through the pretreatment station 5 on to the forming station 7, still further to the insertion path 9, still further to the sealing station 11 and finally to the cutting station 13 promote.
  • Fig. 2 shows a schematic side view of the thermoforming packaging machine 1 in the direction A (see Fig. 1 ).
  • the transport device 15 comprises on both sides of the lower film web 17 arranged staple chains 19 which grip the lower film web 17 on both sides by means of clamping elements 21.
  • a drive device 23 for the staple chains 19 By means of a drive device 23 for the staple chains 19, the lower film web 17 is conveyed along the production direction P.
  • the staple chains 19 are guided on both sides between upper and lower guide rails of the machine frame 3.
  • the pretreatment station 5 is designed to pretreat the lower film web 17 before it reaches the forming station 7.
  • the forming station 7 downstream of the pretreatment station 5 with respect to the production direction P comprises a forming tool 25 for forming depressions 27 in the lower film web 17 by deep-drawing.
  • the molding tool 25 may include a molding tool top and a mold bottom that are movable relative to each other for deep drawing the grooves 27 with respect to a vertical direction.
  • insertion path 9 formed in the lower film web 17 wells 27 are filled with products to be packaged 29. The filling of the wells 27 can be done automatically or manually.
  • the products 29 are conveyed from the processing station 33, such as a food slicer, to the infeed conveyor 9 by means of a feed belt 31 which runs above the forming station 7 parallel to the direction of production P.
  • the sealing station 11 comprises a sealing tool 37, which preferably comprises a sealing tool upper part and a sealing tool lower part movable perpendicularly thereto along a vertical direction.
  • the packages are cut in the cutting station 13 from the film composite, so that the finished and separated packaging 39 can then be removed by means of a conveyor 41.
  • the cutting station 13 comprises a cross-cutting device 43 and a longitudinal cutting device 45.
  • a film receptacle 47 for receiving a lower film supply roll 49 relative to the production direction P of the thermoforming packaging machine 1 is laterally offset.
  • the film holder 47 is offset from the production direction P by 90 °.
  • the removal direction E, along which the lower film web 17 leaves the lower film supply roll 49, is perpendicular to the production direction P.
  • the film receptacle 47 is arranged on the other side of the thermoforming packaging machine 1.
  • the angle between the removal direction E and the production direction P could also deviate from 90 °.
  • the laterally staggered arrangement of the film receptacle 47 saves installation space along the production direction P. In the example of use shown, this makes it possible to move the processing station 33 closer to the beginning of the thermoforming packaging machine 1.
  • the film holder 47 can be arranged so that it is particularly easily accessible for changing the lower film supply roll 49.
  • a deflection unit 51 is provided.
  • the deflecting unit 51 is configured to deflect the lower film web 17 before reaching the pretreatment station 5 with respect to a vertical axis V by an angle a.
  • the lower film web 17 is deflected by the deflection unit 51 from the removal direction E in an intermediate direction Z, which is anti-parallel to the production direction P.
  • the deflection unit 51 Since the deflection unit 51 according to the invention is located at least partially under the pretreatment station 5, details of the deflection in FIG Fig. 1 not visible. In Fig. 3 Therefore, the deflection of the lower film web 17 by the deflection 51 is shown schematically in plan view, wherein adjacent elements of the thermoforming packaging machine 1 are not shown.
  • the lower film web 17 reaches the deflection unit 51 along the removal direction E.
  • the lower film web 17 is then moved with respect to the vertical axis V (in FIG Fig. 3 perpendicular to the plane) is deflected by the angle a in the intermediate direction Z, which in the embodiment shown is anti-parallel to the direction of production P.
  • the lower film web 17 is fed to the deflecting unit 51 along the removal direction E, along which the lower film web 17 leaves the film receptacle 47. But this is not absolutely necessary. It would also be conceivable, for example, for further deflecting units to be provided between the film receptacle 47 and the deflecting unit 51 in order to be able to position the film receptacle 47 essentially completely free.
  • the lower film web 17 is deflected by the deflection unit 51 by substantially 90 °.
  • the deflecting unit 51 deflects the lower film web 17 by a different angle, for example by an angle between 60 ° and 120 ° or an angle between 80 ° and 100 °.
  • the deflection edge 53 of the deflection unit 51 can, for example, as in Fig. 4 represented by a cylindrical body 55 may be formed, around which the lower film web 17 is deflected.
  • the cylindrical body 55 comprises compressed air openings 57 through which compressed air escapes during operation, so that an air cushion is formed between the cylindrical body 55 and the lower film web 17.
  • the lower film web 17 can be redirected friction reduced.
  • the machine frame 3 comprises in the embodiment shown below the pre-treatment station 5, a recess portion 59 in which the deflection unit 51 is arranged.
  • the recess region 59 is formed by the fact that the machine frame 3 has a cantilever 61, which protrudes counter to the direction of production P, and on which the pretreatment station 5 is arranged.
  • the deflection unit 51 is provided in the recess area 59 and is located at least partially below the pretreatment station 5. In this way, the installation space under the pretreatment station 5 is used to realize the deflection of the sub-web 17.
  • the extension length of the thermoforming packaging machine 1 along the production direction P can thus be reduced.
  • the diverter unit 51 is provided entirely below the boom 61 of the machine frame 3 and below the pretreatment station 5.
  • parts of the deflection unit 51 protrude laterally or along the production direction P over the extension arm 61 and / or beyond the pretreatment station 5.
  • the deflection unit 51 is at least half, at least 75% or completely below the pretreatment station 5 or the boom 61st
  • the thermoforming packaging machine 1 further comprises an introduction device 63, which is adapted to the lower film web 17 after being deflected by the deflecting unit 51 in the Initiate pretreatment station 5.
  • the introduction device 63 does not necessarily convey the lower film web 17 itself into the pretreatment station 5. It is sufficient if it aligns the lower film web 17 so that it is introduced into the normal production process of the thermoforming packaging machine 1, that is taken up by the transport device 15 for conveying.
  • the introduction device 63 comprises a plurality of horizontally oriented deflection rollers 65.
  • the introduction device 63 is also at least partially disposed below the pretreatment station 5 and / or the boom 61 in order to further save installation space.
  • the introduction device 63, in particular its deflection rollers 65 may be attached to the machine frame 3.
  • the sub-web 17 in Fig. 2 leaves the deflector 51 along a direction which is at least in projection from the top of the thermoforming packaging machine 1 in anti-parallel to the direction of production P.
  • the lower film web 17 leaves the deflection unit 51 along a direction which, at least in projection from above, extends parallel to the production direction P on the thermoforming packaging machine 1.
  • This case is in Fig. 2 shown with dashed lines for the lower film web 17, wherein the corresponding pulleys of the inlet 63 for this variant, for the sake of clarity, are not shown.
  • the pre-treatment station 5 comprises a preheating station 67 for preheating the sub-web 17 prior to reaching the forming station 7 to facilitate deep drawing by the forming station 7.
  • the pre-treatment station 5 comprises a perforation or slitting unit 69 for punching or slitting the sub-web 17.
  • slits or holes may be evacuated from the packages in the sealing station 11 prior to sealing the packages or a protective gas atmosphere are introduced, so that the products can be packaged under vacuum or inert gas atmosphere.
  • the illustrated hole or slot unit 69 comprises a suction device 71 for sucking off film residues resulting from the punching or slitting of the lower film web 17 so that they can not fall onto the lower film web 17 in the region of the deflection unit 51.
  • a suction device 71 for sucking off film residues resulting from the punching or slitting of the lower film web 17 so that they can not fall onto the lower film web 17 in the region of the deflection unit 51.
  • a sheet metal for collecting film residues could simply be mounted between the pretreatment station 5 and the deflection unit 51.
  • the pre-treatment station 5 comprises only one preheating station 67 or one perforating or slot unit 69, but not both.
  • the punch or slot unit 69 could be integrated in the forming station 7 or omitted altogether.
  • a perforating or slitting unit 69 or a preheating station 67 are particularly well suited to provide underneath the deflection unit 51, since they have a relatively low overall height compared to, for example, the forming station 7 or the sealing station 11.
  • the pretreatment station 5 alternatively or additionally comprises a different machine unit for pretreating the lower film web 17.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP18210759.9A 2018-03-16 2018-12-06 Machine d'emballage par emboutissage à renversement de feuille Active EP3539883B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018204044.3A DE102018204044A1 (de) 2018-03-16 2018-03-16 Tiefziehverpackungsmaschine mit Folienumlenkung

Publications (2)

Publication Number Publication Date
EP3539883A1 true EP3539883A1 (fr) 2019-09-18
EP3539883B1 EP3539883B1 (fr) 2021-03-31

Family

ID=64650259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18210759.9A Active EP3539883B1 (fr) 2018-03-16 2018-12-06 Machine d'emballage par emboutissage à renversement de feuille

Country Status (5)

Country Link
US (1) US11260999B2 (fr)
EP (1) EP3539883B1 (fr)
CN (1) CN209956274U (fr)
DE (1) DE102018204044A1 (fr)
ES (1) ES2879899T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230132274A1 (en) * 2020-03-31 2023-04-27 Cryovac, Llc Packaging apparatus and process
DE102020204142A1 (de) 2020-03-31 2021-09-30 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine mit platzsparender Folienquelle

Citations (5)

* Cited by examiner, † Cited by third party
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US20190283913A1 (en) 2019-09-19
CN209956274U (zh) 2020-01-17
EP3539883B1 (fr) 2021-03-31
ES2879899T3 (es) 2021-11-23
US11260999B2 (en) 2022-03-01

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