EP2011734A1 - Machine d'emballage et procédé de fabrication d'emballage à partir d'une feuille - Google Patents

Machine d'emballage et procédé de fabrication d'emballage à partir d'une feuille Download PDF

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Publication number
EP2011734A1
EP2011734A1 EP08011950A EP08011950A EP2011734A1 EP 2011734 A1 EP2011734 A1 EP 2011734A1 EP 08011950 A EP08011950 A EP 08011950A EP 08011950 A EP08011950 A EP 08011950A EP 2011734 A1 EP2011734 A1 EP 2011734A1
Authority
EP
European Patent Office
Prior art keywords
pressure
proportional
workstation
setpoint
proportional controller
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
EP08011950A
Other languages
German (de)
English (en)
Other versions
EP2011734B1 (fr
Inventor
Elmar Ehrmann
Herbert Kirmse
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 EP2011734A1 publication Critical patent/EP2011734A1/fr
Application granted granted Critical
Publication of EP2011734B1 publication Critical patent/EP2011734B1/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
    • 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
    • B65B47/08—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 fluid 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
    • B65B57/00—Automatic control, checking, warning, or safety devices

Definitions

  • the present invention relates to a packaging machine and a method for producing packages from a film.
  • the provision of pressure is necessary for heating the film, forming the film and sealing the packaging.
  • the pressure is controlled by manually adjustable filling times or manual pressure regulator, ie a certain pressure is generated over the opening of a valve for a predetermined time.
  • the pressure is subject to fluctuations and a reproducibility is not given. This is particularly disadvantageous because different packaging forms and films in a packaging machine require different settings, so that it depends on the reproducibility.
  • proportional controllers which have a measurement and control technology, is not common in packaging machines, as they increase the pressure too slowly.
  • Conventional proportional regulators can not fully open the valve just at the beginning of the control since there is a risk of increasing the pressure too much. They are therefore too slow. Furthermore, material load limits can be exceeded.
  • the object of the invention is to provide an improved packaging machine and an improved method for producing packages from a film, which avoid the disadvantages mentioned above.
  • An advantage of the packaging machine or of the method for producing packs from a film is the reproducibility of the pack-specific parameters.
  • the control over the proportional controller is applicable to various work stations of a packaging machine, such as forming station, sealing station, etc.
  • the controller can also be used as a valve, which compared to the conventional systems that require a valve and a pressure regulator, a component is saved.
  • a further advantageous application of the invention results in the gassing process.
  • Another advantage of the invention is the quality control made possible by the reproducibility of the process. There are no errors due to manual adjustability of pressures. The required values can be stored depending on the process and retrieved automatically. The control system ensures that the same pressure is present in the device throughout the entire process time.
  • a packaging machine 1 comprises one or more forming stations 2, one or more evacuating and sealing stations 3, and a cutting station 4.
  • On the input side there is provided a supply for a lower film 7 from the input side through the stations to the exit side End is led.
  • a forms of containers 8 These are subsequently filled with the goods to be packaged.
  • an upper film 10 is fed in front of the entrance to the evacuation and sealing station 3 onto the upper side of the lower film 7, as it were, as cover for the containers 8.
  • the deep-drawn pack is evacuated and sealed.
  • the cutting station 4 the packages are last separated.
  • the forming station 2 is based on Fig. 2 described.
  • the forming station 2 has a chamber upper part 23a and a lower chamber part 23a, and a heating plate 22 provided in the upper chamber part 23b.
  • Both the lower chamber part 23a and the upper chamber part 23b are each connected to a compressed air supply 26a, 26b, which in turn are connected to a pressure source 27 for providing overpressure or underpressure.
  • Each compressed air supply is preceded by a proportional controller 24 or 25.
  • the lower film 7 can be clamped between the lower chamber part 23a and the upper chamber part 23b and heated by the heating plate 22.
  • a defined pressure is required to prevent prints and clouding of the film.
  • the pressure is generated via the proportional controller 24.
  • the proportional controller 25 is used to apply a defined pressure to the lower chamber part for forming the lower film.
  • Fig. 3 shows the connection between the proportional controller 24 and 25 of a machine controller 28 and the forming station 2.
  • the proportional controller 24 and 25 includes a valve 29 and a control electronics 30 for the valve.
  • the machine controller 28 is designed such that it provides the control electronics 30 of the proportional controller 24, 25 a voltage value, for example 0-10V, which corresponds to a pressure setpoint.
  • the control electronics 30 controls the valve 29 to equalize the actual pressure, which is measured in the workstation by means of a measuring device, to the predetermined desired value.
  • different voltage potentials are assigned pressures or valve cross sections.
  • the forming station 2 is used to form containers made of film by means of compressed air and / or by means of vacuum with or without a punch.
  • the film 7 is clamped and first heated on the heating plate 22.
  • the film is formed by means of a set pressure and / or by means of vacuum with or without a punch as quickly as possible and thereby with uniform wall thickness and low cooling during the molding process.
  • the set pressure depending on the film thickness, drawing depth and container shape, essentially determines the result.
  • the control is carried out so that at the beginning of the deformation, the valve is briefly fully opened in order to achieve the fastest possible deformation and then the pressure is limited and readjusted.
  • Fig. 1 and Fig. 2 exemplified the preparation of a pack.
  • the lower film is deformed in the forming station 2, so that a container is formed.
  • the lower film 7 is first clamped in the forming station 2 between the lower chamber part 23a and the upper chamber part 23b.
  • the film is pressed by the overpressure provided by the proportional controller 24 in the direction of the heating plate 22 and heated by it.
  • the film is deformed by providing overpressure by the proportional regulator 25 in the direction of the chamber lower part 23a.
  • the film cools down, the shape of the pack is retained.
  • the set pressure depending on the film thickness, drawing depth and container shape, essentially determines the result.
  • the pressures in the molding apparatus 2 are adjusted by the electronic proportional regulators 24, 25.
  • the pressures can be set via a machine display and stored depending on the process become. Due to the control and regulation system integrated in the proportional controller, the pressure currently present in the device will be absorbed and thus reproducible. The control can also be performed by the machine controller 28.
  • the forming station is brought in a very short time via the proportional controller 24, 25 to the set and necessary for the deformation pressure and held until the film 7 and thus permanent deformation at this pressure. Subsequently, the pressure is preferably released as quickly as possible from the device into the atmosphere.
  • the container is then filled (not shown) and then closed with the lid film 10 in the sealing station 3 and previously gassed if necessary. Subsequently, the packages are separated in the cutting station 4.
  • Fig. 4a is a comparison of the proportional controller according to the invention with a conventional proportional controller shown in a pressure-time diagram.
  • the proportional controller according to the invention has a faster response time than the conventional controller. How out Fig. 4a As can be seen, eliminates a sluggish regulation at the beginning of the pressure change. Due to a large filling volume, the pressure can rise quickly, so no careful regulation is necessary at the beginning. Due to the known, relatively large volume of the area to be fumigated, to be filled or to be evacuated, with respect to the maximum pressure, an optimization of the proportional regulator is possible. This is achieved by the electronic control of the proportional controller. The required sensors is inside the controller. The measuring and control system of the proportional controller or the machine controller 28 prevents overpressure, with leakages the pressure is readjusted.
  • Fig. 4b is in a flow-time diagram of the comparison of a conventional proportional controller, a combination of a valve and manual pressure regulator and a special control for the gassing process with the proportional flow controller according to the invention.
  • a gentle increase in the volume flow initially takes place in order to prevent inflation of the pack, especially for smaller chambers.
  • Fig. 5a (left in the picture) the pressure build-up during the heating process without a proportional controller is shown on the basis of graph 40a.
  • the heating pressure initially rises above the setpoint and then drops below the desired value due to leakage.
  • Another disadvantage is that the desired pressure can not be adjusted, but can only be achieved over the time t with great deviation.
  • Fig. 5b (right in the picture) the pressure build-up during the forming process without a proportional controller is shown on the basis of the graph 40b.
  • the mold pressure initially rises slightly above the desired value (setpoint) and then falls due to leakage far below the desired value.
  • setpoint the desired value
  • a disadvantage is that the desired pressure can not be set, but can only be achieved over time t with great deviation.
  • Fig. 6a (left in the picture) the pressure build-up during the heating process with proportional controller is shown on the basis of the graph 41a.
  • the heating pressure rises to the desired value Setpoint. Overshoot is in the tolerance field. It then remains at the set pressure until the end of the set time regardless of any leaks.
  • One advantage is that the desired pressure can be set via the operator terminal.
  • Fig. 6b (right in the picture) the pressure build-up during the forming process with proportional controller is shown on the basis of graph 41b.
  • the mold pressure rises to the setpoint. Overshoot is in the tolerance field. It then remains at the set pressure until the end of the set time regardless of any leaks.
  • One advantage is that the desired pressure can be set via the operator terminal.
  • the proportionality controller is preferably used in the forming station in which the film is molded for packaging.
  • all workstations of a packaging machine can be equipped with the device according to the invention, or work according to the inventive method.
  • the upper and lower parts are pressed together by providing pressure and then sealed. Through an air cushion, the pressure can be selectively built up and maintained.
  • Another example of the device according to the invention is a workstation having a gassing device.
  • a gassing device Here, an initially gentle, later a steep increase in the volume flow is desirable.
  • the pressure is measured and regulated and is accordingly readjusted during the work process in order to achieve an optimal result.
  • a throttle valve may also be provided to throttle the suction rate at vacuum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Vacuum Packaging (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP08011950A 2007-07-06 2008-07-02 Machine d'emballage et procédé de fabrication d'emballage à partir d'une feuille Active EP2011734B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031527A DE102007031527B3 (de) 2007-07-06 2007-07-06 Verpackungsmaschine und Verfahren zum Herstellen von Packungen aus einer Folie

Publications (2)

Publication Number Publication Date
EP2011734A1 true EP2011734A1 (fr) 2009-01-07
EP2011734B1 EP2011734B1 (fr) 2011-03-02

Family

ID=39400060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08011950A Active EP2011734B1 (fr) 2007-07-06 2008-07-02 Machine d'emballage et procédé de fabrication d'emballage à partir d'une feuille

Country Status (5)

Country Link
US (1) US8091322B2 (fr)
EP (1) EP2011734B1 (fr)
AT (1) ATE500141T1 (fr)
DE (2) DE102007031527B3 (fr)
ES (1) ES2361114T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3508432A1 (fr) * 2018-01-08 2019-07-10 MULTIVAC Sepp Haggenmüller SE & Co. KG Machine d'emballage pourvue de dispositif de régulation de pression et procédé
EP2668102B2 (fr) † 2011-01-27 2022-12-14 GEA Food Solutions Germany GmbH Machine d'emballage pour la preparation du conditionnements évacués

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2004100000A4 (en) 2004-01-02 2004-02-12 Sands Innovations Pty Ltd Dispensing stirring implement
DE102005038357A1 (de) * 2005-08-11 2007-02-15 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit wenigstens einem Pneumatikantrieb
US8919594B2 (en) 2007-01-31 2014-12-30 Sands Innovations Pty Ltd Dispensing container
DE102008035994A1 (de) * 2008-08-01 2010-02-11 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit einer Ultraschallvorrichtung
US8523016B2 (en) 2008-12-09 2013-09-03 Sands Innovations Pty Ltd. Dispensing container
DE102009014090B4 (de) 2009-03-23 2014-05-28 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine und Verpackungsverfahren mit Wiederverwendung von Druckluft
USD636890S1 (en) 2009-09-17 2011-04-26 Sands Innovations Pty. Ltd. Dispensing utensil
DE102010019636A1 (de) * 2010-05-06 2011-11-10 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine und -verfahren mit Drucklufterzeugung
US8511500B2 (en) 2010-06-07 2013-08-20 Sands Innovations Pty. Ltd. Dispensing container
US8485360B2 (en) 2011-03-04 2013-07-16 Sands Innovations Pty, Ltd. Fracturable container
WO2014198613A1 (fr) * 2013-06-12 2014-12-18 Gea Food Solutions Germany Gmbh Machine de conditionnement dotée d'un moyen de scellage
US11485534B2 (en) * 2015-08-06 2022-11-01 Multivac Sepp Haggenmüller Se & Co. Kg Packaging machine having an improved adjustment function
ITUB20156845A1 (it) 2015-12-11 2017-06-11 Sav Holding S P A Procedimento di imballaggio in film sottile di sostanze appiccicose allo stato fuso
US20180312282A1 (en) * 2017-04-28 2018-11-01 Rollstock Inc. Horizontal form-fill-seal packaging system
ES2776803T3 (es) * 2017-06-02 2020-08-03 Multivac Haggenmueller Kg Máquina de cierre de bandejas
DE102018114263A1 (de) * 2018-06-14 2019-12-19 Multivac Sepp Haggenmüller Se & Co. Kg Füllstandsunabhängiges begasen
DE102018114259A1 (de) * 2018-06-14 2019-12-19 Multivac Sepp Haggenmüller Se & Co. Kg Verfahren zur volumenstrom- und füllgradbestimmung an einer verpackungsmaschine
DE102018116507A1 (de) * 2018-07-09 2020-01-09 Weber Maschinenbau Gmbh Breidenbach Verpackungsmaschine mit Siegelstation
DE102022113270A1 (de) 2022-05-25 2023-11-30 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit Coaxialventil

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GB1445530A (en) 1973-05-09 1976-08-11 Multivac Sepphaggen Mueller Kg Process and apparatus for packing material
EP0192605A1 (fr) 1985-02-18 1986-08-27 ILAPAK Research & Development S.A. Dispositif de fermeture dans une machine de formation de sacs à partir d'une bande tubulaire avec des mâchoires de soudage et/ou de scellement
EP0461689A1 (fr) 1990-06-07 1991-12-18 EUROSICMA S.r.l. Machine d'emballage pour le thermosoudage de film plastique à vitesse variable
US20010028124A1 (en) 1999-05-05 2001-10-11 Maytag Corporation Method for creating a substantially uniform temperature across a plastic sheet for delivery to an appliance liner thermoforming device
DE102005061315A1 (de) * 2005-12-20 2007-06-21 Cfs Germany Gmbh Verpackungsmaschine mit einer Tiefziehstation mit einer Klauen-Vakuumpumpe

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714754A (en) 1970-12-14 1973-02-06 Grace W R & Co Vacuumizing system
GB1445530A (en) 1973-05-09 1976-08-11 Multivac Sepphaggen Mueller Kg Process and apparatus for packing material
EP0192605A1 (fr) 1985-02-18 1986-08-27 ILAPAK Research & Development S.A. Dispositif de fermeture dans une machine de formation de sacs à partir d'une bande tubulaire avec des mâchoires de soudage et/ou de scellement
EP0461689A1 (fr) 1990-06-07 1991-12-18 EUROSICMA S.r.l. Machine d'emballage pour le thermosoudage de film plastique à vitesse variable
US20010028124A1 (en) 1999-05-05 2001-10-11 Maytag Corporation Method for creating a substantially uniform temperature across a plastic sheet for delivery to an appliance liner thermoforming device
DE102005061315A1 (de) * 2005-12-20 2007-06-21 Cfs Germany Gmbh Verpackungsmaschine mit einer Tiefziehstation mit einer Klauen-Vakuumpumpe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2668102B2 (fr) † 2011-01-27 2022-12-14 GEA Food Solutions Germany GmbH Machine d'emballage pour la preparation du conditionnements évacués
EP3508432A1 (fr) * 2018-01-08 2019-07-10 MULTIVAC Sepp Haggenmüller SE & Co. KG Machine d'emballage pourvue de dispositif de régulation de pression et procédé
DE102018100224A1 (de) 2018-01-08 2019-07-11 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit Druckregelvorrichtung und Verfahren

Also Published As

Publication number Publication date
ES2361114T3 (es) 2011-06-14
US20090071100A1 (en) 2009-03-19
ATE500141T1 (de) 2011-03-15
DE102007031527B3 (de) 2008-06-19
DE502008002708D1 (de) 2011-04-14
US8091322B2 (en) 2012-01-10
EP2011734B1 (fr) 2011-03-02

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