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EP3088315B1 - Machine d'emballage par emboutissage équipée d'une thermoforeuse - Google Patents

Machine d'emballage par emboutissage équipée d'une thermoforeuse Download PDF

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Publication number
EP3088315B1
EP3088315B1 EP15165942.2A EP15165942A EP3088315B1 EP 3088315 B1 EP3088315 B1 EP 3088315B1 EP 15165942 A EP15165942 A EP 15165942A EP 3088315 B1 EP3088315 B1 EP 3088315B1
Authority
EP
European Patent Office
Prior art keywords
packaging machine
film
die
punch
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.)
Active
Application number
EP15165942.2A
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German (de)
English (en)
Other versions
EP3088315B2 (fr
EP3088315A1 (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
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Application filed by Multivac Sepp Haggenmueller GmbH and Co KG filed Critical Multivac Sepp Haggenmueller GmbH and Co KG
Priority to EP15165942.2A priority Critical patent/EP3088315B2/fr
Priority to ES15165942T priority patent/ES2664850T5/es
Priority to US15/140,124 priority patent/US10472112B2/en
Publication of EP3088315A1 publication Critical patent/EP3088315A1/fr
Application granted granted Critical
Publication of EP3088315B1 publication Critical patent/EP3088315B1/fr
Publication of EP3088315B2 publication Critical patent/EP3088315B2/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
    • 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
    • B65B61/065—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 by punching out
    • 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
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • 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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear
    • 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

Definitions

  • the invention relates to a thermoforming packaging machine according to the preamble of claim 1.
  • thermoforming packaging machines In thermoforming packaging machines, a container or trough is usually formed into a lower film in a forming station, a product is inserted therein and the trough is hermetically sealed in a sealing station with a top film under vacuum and / or modified atmosphere.
  • the packs produced in this way are bound together as a composite over the lower film and are transported through double-sided staple chains through the thermoforming packaging machine.
  • a combination of a cross-cutting station and a subsequent longitudinal cutting station can be provided for separating the packages from the composite of the lower and the upper film.
  • the composite of the lower and the upper film is cut transversely to the transport direction or, if radii are necessary at the edges of the packaging, strip cuts are punched out.
  • the punching knife Since normally the space for a means for collecting within the machine frame or for transporting out of the machine frame is not sufficiently available, the punching knife usually punches from below coming down the strip cuts up out of the film. These are pushed further upwards in a receptacle after each cut and can then be removed collected. In high-performance machines, the receptacles are very high, so they do not have to empty constantly. The strip cuts are pushed over a paragraph, which is located above a film transport plane, and on which the last cut strip cut partially rests with its edge. This prevents the strip strips stacked above from falling down into the cross cutting station or onto the packages to be cut. In the latter case, it would also interfere with the thermoforming packaging machine and downtime.
  • a punching device for separating strip-shaped edge regions emerges from a packaging web.
  • this stamping device two different punching units are arranged behind one another in the transport direction of the packaging web, which in turn each have an upper part and a lower part. Details of the drives of these punching units are not disclosed in this document.
  • the WO 2012/102682 A1 discloses a packaging machine with a cutting station, wherein at least one drive for a cutting means or an antidote of the cutting station is arranged above the film web to be punched out.
  • the EP 2 447 171 A1 discloses a solution for the safe disposal of cutting waste, which is discharged upward, namely above the film plane.
  • the object of the present invention is to provide a thermoforming packaging machine with an improved strip punch.
  • thermoforming packaging machine with the features of claim 1.
  • Advantageous developments of the invention are specified in the subclaims.
  • the thermoforming packaging machine comprises a film punch with a common lifting drive for a die and a punch, wherein the die and the punch from the common lifting drive orthogonal to a film transport plane to each other are movable.
  • a first lifting mechanism transmits the drive movement of the lifting drive to the punch, while a second lifting mechanism transmits the drive movement of the lifting drive to a movement of the die.
  • the lifting movements performed by the punch and the die are preferably always in opposite directions.
  • the thermoforming packaging machine according to the invention is characterized in that the lifting drive is arranged above the film transport plane. Thus, separated film strips can fall directly into a container or on a discharge belt, without causing contamination or negative impairment of the linear actuator.
  • the lifting drive comprises an electric motor, preferably a servomotor, for example additionally with a brake.
  • an electric motor preferably a servomotor, for example additionally with a brake.
  • a foil punch is at rest in an open position and in the event of a falling pressure in the pneumatic cylinder supply lines, there is a risk of injury to the operator due to unexpected movement of an upper tool of the foil punch down.
  • An electric motor can drive a self-locking lifting spindle or have a brake, so that no danger to the operating or maintenance personnel emanates in the rest position of the foil punch.
  • the control of the thermoforming packing mesh may operate the electric motor with a defined torque while the brake is closed, and check whether an inadmissible movement is taking place.
  • the second lifting mechanism can have guide rods which are located laterally outside the foil transported in the foil lance and by means of which a drive movement of the lifting drive can be transferred to the die located below the foil transport plane.
  • the film punch may have a frame which is stationarily arranged on a machine frame of the thermoforming packaging machine.
  • a bearing plate may be present, which moves relative to the frame of the foil punch up and down during operation of the foil lance and the movement of the lifting movement of the located below the film plane die is coupled to the movement.
  • the lifting drive is rigidly attached to the frame, so that the bearing plate moves relative to the frame.
  • the motor is attached to the bearing plate, so that it moves alternately up and down during operation of the foil punch together with the bearing plate relative to the frame of the foil punch.
  • the stamp preferably comprises a punching knife.
  • the die preferably has a recess into which the punching knife can dip.
  • the recess is preferably produced by means of wire EDM and / or by means of grinding.
  • the punch and the punching knife are each made of several parts, so that larger dimensions of the punch and punching knife are made possible and an adjustment of the individual parts to each other.
  • the die preferably has several troughs so as not to collide with the containers of the lower foil, since the die has webs for stabilization aligned in the working direction of the thermoforming packaging machine.
  • the troughs preferably have a height of up to 60 mm in the vertical direction and / or a depth of 30 mm to 40 mm in the horizontal direction, in order to be suitable also for the processing of containers with large thermoforming.
  • the film punch is preferably configured to use the punch and the die to cut out a foil strip from a film composite and to convey it down through the die in order not to lift up any accumulation of foil strips and, for example, to accumulate or stack them in containers.
  • the punch for the punching process vertically down and the die are carried out vertically movable upward.
  • the foil punch is preferably configured to carry out the movement of the punch and the die as much as possible at the same time in order to minimize the cycle time of the foil punch and to simplify the construction with only one electric motor.
  • a container is provided below the die or the foil punch to receive the film strips.
  • the container may have a fill level monitoring, which is connected, for example, with the control of thermoforming packaging machine to the operator to display the information about a due or even pending change or emptying of the container.
  • FIG. 1 shows a schematic view of a packaging machine according to the invention in the form of a thermoforming packaging machine 1.
  • the thermoforming packaging machine 1 has a forming station 2, a sealing station 3, a cross-cutting station 4 and a longitudinal cutting station 5, which are arranged in this order in a working direction R on a machine frame 6.
  • a material reservoir 9 is provided, from which a top film 10 is drawn off.
  • a discharge device 13 in the form of a conveyor belt is provided on the packaging machine, with the finished, isolated packaging 21 are transported away.
  • the packaging machine 1 a feed device, not shown, which engages the lower film 8 and transported in a main working cycle in cycles in the direction of R.
  • the feed device can be realized, for example, by laterally arranged transport chains and transport the lower film 8.
  • the forming station 2 is formed as a thermoforming station in which containers 14 are formed in the lower film 8 by deep drawing.
  • the forming station 2 may be formed such that in the direction perpendicular to the working direction R a plurality of containers 14 are formed side by side.
  • an insertion path 15 is provided, in which the containers 14 formed in the lower film 8 are filled with products 16.
  • the sealing station 3 has a closable chamber 17 in which the atmosphere in the container 14 can be replaced with a replacement gas or exchange gas mixture prior to sealing, for example, by gas purging.
  • the cross-cutting station 4 is designed as a foil punch or concretely as a strip punch, which cuts through the lower film 8 and the upper film 10 in a direction transverse to the working direction R between adjacent containers 14.
  • the cross-cutting station 4 operates such that the lower film 8 is not separated over the entire width, but at least in an edge region and between two adjacent containers 14 is not severed. This allows a controlled onward transport of the container 14 by the feed device.
  • the longitudinal cutting station 5 is formed in the illustrated embodiment as a knife assembly, with which the lower film 8 and the upper film 10 between adjacent Containers 14 and at the lateral edge of the lower film 8 are severed, so that behind the longitudinal cutting station 5 individualized packages 21 are present.
  • a movable container 33 is provided for receiving punching waste.
  • the packaging machine 1 also has a controller 18. It has the task of controlling and monitoring the processes taking place in the packaging machine 1.
  • a display device 19 with operating elements 20 serves to visualize or influence the process sequences in the thermoforming packaging machine 1 for or by an operator.
  • the lower film 8 is withdrawn from the feed roller 7 and transported by the feed device into the forming station 2.
  • containers 14 are formed by deep drawing in the lower film 8.
  • the containers 14 are transported along with the surrounding area of the lower film 8 in a main working cycle to the insertion path 15 in which they are filled with product 16.
  • the filled containers 14 are transported along with the surrounding area of the lower film 8 in the main working cycle by the feed device in the sealing station 3.
  • the top film 10 is transported on to the lower film 8 with the advancing movement of the lower film 8 after a sealing operation.
  • the upper film 10 is withdrawn from the material storage 9.
  • sealed packages 21 are formed.
  • FIG. 2 shows the cross-cutting station 4 in the form of a film punch, by means of an electric motor Hubantriebs 22, preferably a servo drive or servomotor, a punch 23 down against the lower film 8 and the upper film 10, which together represent a composite film, while a film strip 32 from the In this case, the punch 23 cooperates with a die 24, which is simultaneously moved by means of the lifting drive 22 in opposite directions to the punch 23 from below against the lower film 8 and the upper film 10.
  • the lifting drive 22 is configured, via a first lifting mechanism 25a, which is realized here in the form of a bent push rod 26, a plate 27 with the attached thereto Stamp 23 to move down.
  • the motor 22 is mounted on a bearing plate 28. At the same time causes the motor 22 by its drive power, a relative movement of the bearing plate 28 relative to a frame 29 of the cross cutting station 4 upwards, wherein the frame 29 is stationarily arranged on the machine frame 6.
  • a lifting plate 31 with the die 24 mounted thereon is rigidly connected to the bearing plate 28, so that the movement of the die 24 corresponds to the movement of the bearing plate 28.
  • the bearing plate 28, the at least two guide rods 30 and the lifting plate 31 together form a second lifting mechanism 25b, by means of which the drive movement of the lifting drive 22 is transferred into a lifting movement of the die 24.
  • the lifting drive 22 provides for a common mutual movement of the punch 23 and the die 24 for removing the film strip 32 and again for a moving apart of the punch 23 and the die 24 to allow a next slide preference.
  • the film strip 32 After the separation of the film strip 32, it is pressed down by the die 23 through the die 24 and can fall down into the mobile container 33 provided with wheels 33a under the cross-cutting device 4.
  • the container 33 is sensed by the controller 18 sensory whether this is in its predefined working position under the cross-cutting device 4, as he also for security reasons intervention of an operator in the cross cutter 4 from below through the machine frame 6 through during operation of the thermoforming packaging machine 1 should prevent.
  • thermoforming packaging machine 1 transports the film strips laterally to the working direction R from the thermoforming packaging machine 1 to the outside and a disposal device supplies.
  • a film transport plane E is defined by the film composite of the lower film 8 and the upper film 10 and by the alignment in the working direction R. Both the lifting drive 22 and the first lifting mechanism 25a are located completely above the film transport plane E.
  • Fig. 3 shows the punch 23 and the die 24.
  • the die 24 has a recess 35 which is congruent with the contour of a punch blade 34 of the punch 23.
  • the separated from the film composite film strip 32 can fall through the recess 35 of the die 24 down or pressed by the punching blade 34 down into the recess 35.
  • the punch 23 and the punching blade 34 are formed in several parts from a plurality of interconnected parts A, B and C.
  • the die 24 is integral and made of stainless steel or other hardened steel and the recess 35 made, for example by means of wire EDM.
  • the die 24 has four recesses 36, which serve as an exemption of the die 24 for the packages 21 and the containers 14.
  • a height H of the troughs 36 is provided up to 60 mm and a depth T in the horizontal direction of 30 to 40 mm, to entice the die 24 a high stability.
  • the recess 35 has a width B of 5 to 10 mm in the region of the smallest width.
  • Fig. 4 shows the die 24 in a cross-sectional view transverse to the working direction R of the thermoforming packaging machine 1 in the center of the die 24.
  • the recess 35 has in the upper part of a flat punching surface 37, which is parallel to the direction of movement of the punch 23 and die 24.
  • the punching surface 37 has a width Z of at least 3 mm. Below this punching surface 37, the recess on an exemption 38, to facilitate falling of foil strips 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (15)

  1. Machine d'emballage par emboutissage ou thermoformage (1) comprenant une presse de découpage de feuille (4) avec une matrice (24) et un poinçon (23), caractérisée en ce que la matrice (24) et le poinçon (23) peuvent être déplacés par un entraînement de levage (22) commun, orthogonalement à un plan de transport de feuille (E), de manière à se rapprocher et à s'écarter mutuellement, en ce qu'il est prévu un premier mécanisme de levage (25a) pour transmettre un mouvement de l'entrainement de levage (22) au poinçon (23) et un deuxième mécanisme de levage (25b) pour transmettre un mouvement de l'entrainement de levage (22) à un mouvement de la matrice (24), et en ce que l'entrainement de levage (22) est agencé au-dessus du plan de transport de feuille (E).
  2. Machine d'emballage par emboutissage ou thermoformage selon la revendication 1, caractérisée en ce que l'entrainement de levage (22) comprend un moteur électrique, de préférence un servomoteur.
  3. Machine d'emballage par emboutissage ou thermoformage selon la revendication 2, caractérisée en ce que l'entrainement de levage (22) entraîne une vis de levage autobloquante ou présente un frein.
  4. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que le premier mécanisme de levage (25a) est agencé en totalité au-dessus du plan de transport de feuille (E).
  5. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que la presse de découpage de feuille (4) comporte un cadre (29) et en ce que l'entrainement de levage (22) est monté sur une plaque de montage (28) qui se déplace par rapport au cadre (29) en cours de fonctionnement de la presse de découpage de feuille (4).
  6. Machine d'emballage par emboutissage ou thermoformage selon la revendication 5, caractérisée en ce que par l'intermédiaire d'au moins deux tiges de guidage (30), un panneau de levage (31) avec la matrice (24) placée sur le panneau de levage, est relié de manière rigide à la plaque de montage (28).
  7. Machine d'emballage par emboutissage ou thermoformage selon la revendication 4, caractérisée en ce que le deuxième mécanisme de levage (25b) comporte des tiges de guidage (30), qui se trouvent latéralement en-dehors de la feuille transportée dans la presse de découpage de feuille (4), et au moyen desquelles un mouvement d'entraînement de l'entrainement de levage (22) peut être transmis à la matrice (24) se trouvant en-dessous du plan de transport de feuille (E).
  8. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que le poinçon (23) comprend une lame de découpage (34).
  9. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que la matrice (24) présente un évidement (35).
  10. Machine d'emballage par emboutissage ou thermoformage selon la revendication 9, caractérisée en ce que l'évidement (35) est réalisé par usinage par érosion au fil et/ou par rectification.
  11. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que le poinçon (23) et la lame de découpage (34) sont chacun réalisés en plusieurs parties.
  12. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que la presse de découpage de feuille (4) est configurée pour, au moyen du poinçon (23) et de la matrice (24), découper une bandelette de feuille (32) d'un ensemble de feuille, et l'évacuer vers le bas à travers la matrice (24).
  13. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce que pour l'opération de découpage, le poinçon (23) est d'une configuration déplaçable verticalement vers le bas et la matrice (24) d'une configuration déplaçable verticalement vers le haut.
  14. Machine d'emballage par emboutissage ou thermoformage selon la revendication 13, caractérisée en ce que la presse de découpage de feuille (4) est configurée pour exécuter le mouvement du poinçon (23) et de la matrice (24) dans une large mesure de manière simultanée dans le temps.
  15. Machine d'emballage par emboutissage ou thermoformage selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu un conteneur (33) sous la matrice (24), pour accueillir les bandelettes de feuille (32).
EP15165942.2A 2015-04-30 2015-04-30 Machine d'emballage par emboutissage équipée d'une thermoforeuse Active EP3088315B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15165942.2A EP3088315B2 (fr) 2015-04-30 2015-04-30 Machine d'emballage par emboutissage équipée d'une thermoforeuse
ES15165942T ES2664850T5 (es) 2015-04-30 2015-04-30 Máquina envasadora por embutición profunda con troqueladora de tiras
US15/140,124 US10472112B2 (en) 2015-04-30 2016-04-27 Thermoform packaging machine with strip punch unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15165942.2A EP3088315B2 (fr) 2015-04-30 2015-04-30 Machine d'emballage par emboutissage équipée d'une thermoforeuse

Publications (3)

Publication Number Publication Date
EP3088315A1 EP3088315A1 (fr) 2016-11-02
EP3088315B1 true EP3088315B1 (fr) 2018-01-10
EP3088315B2 EP3088315B2 (fr) 2022-11-02

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EP15165942.2A Active EP3088315B2 (fr) 2015-04-30 2015-04-30 Machine d'emballage par emboutissage équipée d'une thermoforeuse

Country Status (3)

Country Link
US (1) US10472112B2 (fr)
EP (1) EP3088315B2 (fr)
ES (1) ES2664850T5 (fr)

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
CN106956825B (zh) * 2017-05-10 2022-11-04 瑞安市华思机械有限公司 一种包装机的冲裁机构
EP3428079B1 (fr) 2017-07-14 2019-12-25 MULTIVAC Sepp Haggenmüller SE & Co. KG Emboutisseuse d'emballage comprenant un support d'emballage souple
CN113148333B (zh) * 2021-05-11 2022-08-26 郑州永益达机械设备有限公司 一种往复式包装机
DE102022104218A1 (de) 2022-02-23 2023-08-24 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine mit Querschneidestation

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DE102005010203A1 (de) 2005-03-05 2006-09-07 Schulte, Reinhold, Dipl.-Ing. Vorrichtung zum Schweissen und Schneiden von Folien
DE102006017258B4 (de) 2006-04-12 2011-07-21 MULTIVAC Sepp Haggenmüller GmbH & Co. KG, 87787 Verfahren zum Herstellen einer Verpackung und Verpackungsmaschine
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US10472112B2 (en) 2019-11-12
ES2664850T3 (es) 2018-04-23
EP3088315B2 (fr) 2022-11-02
EP3088315A1 (fr) 2016-11-02
US20160318643A1 (en) 2016-11-03

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