WO2017009179A1 - Machine d'emballage à évacuation de rognures - Google Patents

Machine d'emballage à évacuation de rognures Download PDF

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Publication number
WO2017009179A1
WO2017009179A1 PCT/EP2016/066149 EP2016066149W WO2017009179A1 WO 2017009179 A1 WO2017009179 A1 WO 2017009179A1 EP 2016066149 W EP2016066149 W EP 2016066149W WO 2017009179 A1 WO2017009179 A1 WO 2017009179A1
Authority
WO
WIPO (PCT)
Prior art keywords
cross
film web
packaging machine
film
section
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.)
Ceased
Application number
PCT/EP2016/066149
Other languages
German (de)
English (en)
Inventor
Bernard Martin
Ernst-Walter Schmitt
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.)
GEA Food Solutions Germany GmbH
Original Assignee
GEA Food Solutions Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEA Food Solutions Germany GmbH filed Critical GEA Food Solutions Germany GmbH
Priority to ES16736172T priority Critical patent/ES2834526T3/es
Priority to EP16736172.4A priority patent/EP3319881B1/fr
Publication of WO2017009179A1 publication Critical patent/WO2017009179A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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

Definitions

  • the present invention relates to a method for producing a packaging in which a film web is transported along a transport direction, in particular intermittently, and molds are formed in the film web in a forming station which is filled with a packaged product and closed with a cover film and subsequently with at least one Cross cutter through a cross section, ie be separated by a cut transversely to the transport direction of the film web. Furthermore, the present invention relates to a packaging machine and a cross punch.
  • the object is achieved with a method for producing a packaging, in which a film web is transported along a transport direction, in particular intermittently, and in a forming station hollows are formed in the film web, which is filled with a packaged product and sealed with a lid film and then with at least a cross cutter are separated by a cross section, wherein in a residual strip in the region of the cross section, a relief recess and / or embossing is provided and / or the temperature of the residual strip is increased.
  • the present invention relates to a method which is carried out on a packaging machine.
  • a packaging machine is, in particular, a so-called thermoformer, on which plastic films are generally processed.
  • thermoformer a lower film web is unrolled from a supply roll and, in particular, transported intermittently along the packaging machine.
  • a packaging tray is first formed in the lower film web, the is then filled with a packaged, in particular a food. Subsequently, the packaging tray is sealed in a sealing station with one or more top films which are sealed to the lower film. Finally, the produced packages are separated by a cross cutter, the lower and the
  • the packaging machine also has one or more slitters, which cut through the packages in the longitudinal direction, that is, parallel to the transport direction of the film web.
  • Remaining strips for example, two edge and / or at least one median strip left, which must be disposed of after the separation of the packaging.
  • the cross section usually extends only slightly in these edge strips, so that the edge strip remains as an elongated structure and must be disposed of.
  • the remaining strip can be rolled up, for example, and the roll disposed of.
  • the edge strip is fed to a crusher, which splits it into smaller pieces or fed to an aspirator, which transports it into a waste container and collects there. In this case, the edge strip is mechanically stressed, in particular loaded by tensile forces.
  • one or more relief recess (s) or one or more embossments is now provided in the residual strip in the region of the cross section and / or the temperature of the edge strip is increased.
  • the method according to the invention has the advantage that the waste strip during disposal, in which it is mechanically loaded, in particular tensile, tears less often.
  • the recess / embossment reduces the progress of a resulting crack.
  • the availability of the packaging machine is significantly increased and eliminates damage to the packaging machine by torn-off residue.
  • the residual strip in particular in the region of the cross section, is heated so that the elasticity of the material of the residual strip increases.
  • the remaining strip consists of a plastic film
  • the remaining strip is not heated until reaching the so-called glass transition temperature.
  • the heating takes place by 10 - 80 ° K based on the temperature of the packaging immediately after their separation.
  • the relief recess is made by a cut or a
  • a relief recess is provided before and / or after and / or at least in sections at the same height as the cross-section, in each case based on the transport direction of the film web.
  • the corners and / or at least one side of the relief recess are radiused to reduce the notch effect.
  • embossing is provided in the remainder strip, i. planar shape of the residual strip is changed in particular by plastic deformation.
  • no pinching occurs, in particular no material accumulation in the region of the residual strip.
  • the relief recess and / or embossment is part of the cross section which cuts through the film web outside the residual strip.
  • the shape of the cross cutter is then preferably increased so that it extends more strongly into the remaining strip.
  • at least one radius of the cross cutter in the remaining strip is increased.
  • the relief recess preferably also extends through the upper film web at least through the entire thickness of the lower film web.
  • Atmosphere and / or partial vacuum is to be packed, in particular the edge strip has recesses, sucked through the air from the packaging troughs of a format and / or a replacement gas is blown into the packaging troughs.
  • Gassing recesses are preferably only in the lower film web and are preferably, based on the transport direction of the film web upstream of the sealing station in the film web, introduced, for example by punching.
  • the gassing recesses are now designed in their shape and / or their arrangement so that they simultaneously reduce the crack propagation in the remaining strip, in particular the edge strip, at least.
  • the gassing recesses are arranged so that they are upstream, at the same height and / or downstream of a cross section, each with respect to the transport direction of the film web and also be arranged in the region preferably in the immediate vicinity of / to a cross section, wherein the gassing recesses, which at the same time also the
  • a further subject of the present invention is a packaging machine with a forming station which forms troughs in the film web, a filling station in which the troughs are filled with a packaged product and a sealing station which seals a top film to the film web and which has a cross cutter. which separates the packages, wherein it has a means which provides a recess and / or embossing in the remaining strip of the film web and / or heats the remaining strip.
  • the packaging machine has a means with which a recess and / or embossing is provided in the residual strip.
  • this means is provided in the region of the cross cutter.
  • the introduction of the recess and / or the embossing takes place at least substantially simultaneously with the
  • the means is a knife and / or a punch and / or a laser and / or a water jet.
  • the means is a punch with an internal Schneidwate.
  • Another object of the present invention is a cross cutter, the cut at least partially contours from the film web wherein the cross cutter has an internal Schneidwur in the region of the cutting contour.
  • FIG. 1 shows the packaging machine.
  • FIGS. 2 to 4 show details of the means for introducing the recess in the
  • Figure 5 shows a cross cutter with a erfindungsze to shape
  • FIG. 6 shows a preferred form of the recess before and after
  • FIG. 7 shows a cutting wad according to the prior art.
  • Figure 8 shows a cross cutter with a Schneidwate invention.
  • FIG. 1 shows a packaging machine 1, in the present case a so-called thermoformer, which has a thermoforming station 2, a filling station 7 and a sealing station 15.
  • a lower film web 8, here a plastic film web 8 is withdrawn from a supply roll and cyclically transported along the packaging machine according to the invention from right to left.
  • a format is preferably produced on packages consisting of preferably several columns and more preferably several rows.
  • the film roll is usually mounted on a shaft.
  • the sub-web 8 is further transported by preference, with several advantages needed to produce a finished package.
  • the packaging machine has two Transportmitteil 0 (see Figure 2), in the present case in each case two endless chains, which are arranged on the right and left of the lower film web 8.
  • Both at the beginning and at the end of the packaging machine at least one gear is provided for each chain in each case, around which the respective chain is deflected. At least one of these gears is driven.
  • the gears in the input area and / or in the output area may be connected to each other, preferably by a rigid shaft.
  • Each means of transport has a multiplicity of clamping means 13, which grippingly grasp the edge region of the lower film web 8 in the inlet region 19 and transmit the movement of the transport means to the lower film web 8.
  • the clamping connection between the transport and the lower film web 8 is released again. Downstream of the inlet region 19, a heating means is provided which heats the film web 8, especially when it is stationary.
  • the mold / die of Having to be produced packaging tray the packaging trays 6 are formed in the warmed film web 8.
  • the lower tool 4 of the forming station 2 is arranged on a lifting table 5, which, as symbolized by the double arrow, is vertically adjustable, which is done by a lifting device.
  • the packaging trays are then filled in the filling station 7 with the packaged goods 16.
  • a top film 14 is firmly bonded, for example, by sealing to the lower film web 8.
  • the upper tool and / or the lower tool are lowered or raised before and after each film transport.
  • the upper film 14 is unrolled by a film roll, which is mounted on a shaft, and can be guided in means of transport or be transported by transport chains, said transport then extend only from the sealing station and possibly downstream. Otherwise, the statements that have been made to the means of transport of the lower film apply. Also the
  • Upper foil can be heated with a heating medium and deep drawn.
  • a heatable sealing frame is provided as a lower tool 11, for example, which has an opening per packaging cavity into which the packaging cavity is sealed during sealing, i. during the upward movement of the lower seal tool immersed.
  • the upper and lower film webs between the upper and lower tool 12, 1 1 are pressed together and connect under the influence of heat and pressure. After sealing, the tools 1 1, 12 are moved apart vertically again.
  • the finished packages are separated, which takes place in the present case with the cross cutter 18 and the slitter 17.
  • the cross cutter 18 can also be raised or lowered in the present case with a lifting device 9.
  • edge strip 31st This is usually the strip that is gripped by the film grippers 13. This edge strip is waste and must be disposed of. He is exposed to mechanical stresses that can cause the edge strip breaks and, for example, caught in the chain 10.
  • the following figures show ways and means of avoiding this.
  • FIGS 2 - 4 show a first embodiment of the method according to the invention or the device according to the invention.
  • Packaging troughs are shown downstream, based on the
  • the device now has a means with which
  • Recesses 24 are provided in the edge strip 31, in particular in the region of the cross sections 23, i. before the edge strips are separated from the packages.
  • this means is a knife 20 which moves up and down as shown by the double-headed arrow. During the upward movement, the knife penetrates the film webs 8, 14. This results in the two cuts 24 in the region of the cross section 23.
  • a recess 32 is provided for the knife 20, in which the knife can dip.
  • the knife 20 is provided below the film web.
  • the skilled person understands that it can also be arranged above the film web.
  • the recess in the cross cutter is made substantially wider than the thickness of the knife so that the knife dives safely into the gap during cutting.
  • FIG. 5 shows a further embodiment of the method according to the invention
  • the cross cutter is designed here as a contour cutter.
  • the peripheral area of the cross cutter is designed here as a contour cutter.
  • Marginal strip can be reduced.
  • FIG. 6 shows a further preferred embodiment of the present invention.
  • each line-shaped recess 24 in their corner areas curves 26, whereby the notch effect is further reduced, which in turn leads to increased stability of the edge strip.
  • FIG. 7 shows an embodiment of the cross cutter 18 according to the prior art.
  • a section 28 is punched out of the film webs 8, 14.
  • the Schneidwate ie the bevel or the sharpening provided in the outer region of the tool. This results in the implementation of the cut, a bruise of the edge strip 31, which has been found to be detrimental to the crack progress.
  • FIG. 8 shows the embodiment according to the invention of the cross cutter 18 which, in the present case, has an internal cutting edge 29 in the region of the contour section at which a cutout 28 is formed.
  • the person skilled in the art will understand that the means 20 with which the recess 24 is produced preferably also has an internal grinding, in the event that it is a contour punch.

Landscapes

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

Abstract

La présente invention concerne un procédé de fabrication d'un emballage, selon lequel une bande de feuille est transportée notamment par intermittence, dans une direction de transport, et des barquettes sont moulées dans la bande de feuille dans un poste de moulage, lesquelles barquettes sont remplies d'un produit à emballer et fermées par un opercule puis sont individualisées par au moins une lame transversale par une coupe transversale, c'est-à-dire par une coupe perpendiculairement à la direction de transport de la bande de feuille. L'invention concerne également un dispositif d'emballage et un dispositif de découpe transversale.
PCT/EP2016/066149 2015-07-10 2016-07-07 Machine d'emballage à évacuation de rognures Ceased WO2017009179A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES16736172T ES2834526T3 (es) 2015-07-10 2016-07-07 Máquina de embalaje con eliminación de tiras residuales
EP16736172.4A EP3319881B1 (fr) 2015-07-10 2016-07-07 Machine d'emballage à évacuation de rognures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015212936 2015-07-10
DE102015212936.5 2015-07-10

Publications (1)

Publication Number Publication Date
WO2017009179A1 true WO2017009179A1 (fr) 2017-01-19

Family

ID=56368979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/066149 Ceased WO2017009179A1 (fr) 2015-07-10 2016-07-07 Machine d'emballage à évacuation de rognures

Country Status (3)

Country Link
EP (1) EP3319881B1 (fr)
ES (1) ES2834526T3 (fr)
WO (1) WO2017009179A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023105084A1 (fr) 2021-12-10 2023-06-15 Gea Food Solutions Germany Gmbh Machine d'emballage dotée d'une buse d'aspiration
DE102023132437B3 (de) * 2023-11-21 2025-04-24 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit Folienresterkennungsvorrichtung
WO2025224017A1 (fr) 2024-04-25 2025-10-30 Gea Food Solutions Germany Gmbh Machine d'emballage comprenant un enrouleur de bande perdue à engrenage différentiel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485208A1 (fr) * 1990-11-09 1992-05-13 Sanford Redmond Inc. Machine compacte à former, remplir et sceller des emballages par une fabrication automatique à l'aide d'un mécanisme amélioré de découpage transversal
EP1598276A1 (fr) * 2004-05-17 2005-11-23 Multivac Sepp Haggenmüller GmbH & Co. KG Machine d' emballage et procédé pour découper des emballages.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485208A1 (fr) * 1990-11-09 1992-05-13 Sanford Redmond Inc. Machine compacte à former, remplir et sceller des emballages par une fabrication automatique à l'aide d'un mécanisme amélioré de découpage transversal
EP1598276A1 (fr) * 2004-05-17 2005-11-23 Multivac Sepp Haggenmüller GmbH & Co. KG Machine d' emballage et procédé pour découper des emballages.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023105084A1 (fr) 2021-12-10 2023-06-15 Gea Food Solutions Germany Gmbh Machine d'emballage dotée d'une buse d'aspiration
DE102023132437B3 (de) * 2023-11-21 2025-04-24 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit Folienresterkennungsvorrichtung
WO2025224017A1 (fr) 2024-04-25 2025-10-30 Gea Food Solutions Germany Gmbh Machine d'emballage comprenant un enrouleur de bande perdue à engrenage différentiel

Also Published As

Publication number Publication date
ES2834526T3 (es) 2021-06-17
EP3319881B1 (fr) 2020-09-02
EP3319881A1 (fr) 2018-05-16

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