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EP3966111B1 - Machine d'emballage sans danseurs - Google Patents

Machine d'emballage sans danseurs Download PDF

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Publication number
EP3966111B1
EP3966111B1 EP20727931.6A EP20727931A EP3966111B1 EP 3966111 B1 EP3966111 B1 EP 3966111B1 EP 20727931 A EP20727931 A EP 20727931A EP 3966111 B1 EP3966111 B1 EP 3966111B1
Authority
EP
European Patent Office
Prior art keywords
material web
transport means
supply roll
packaging machine
web
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
EP20727931.6A
Other languages
German (de)
English (en)
Other versions
EP3966111A1 (fr
Inventor
Gerd HÜBNER
Jochen REHN
Frank SABATO
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 EP25178517.6A priority Critical patent/EP4582349A2/fr
Publication of EP3966111A1 publication Critical patent/EP3966111A1/fr
Application granted granted Critical
Publication of EP3966111B1 publication Critical patent/EP3966111B1/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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B41/18—Registering sheets, blanks, or webs
    • 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
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages

Definitions

  • the present invention relates to a packaging machine that unwinds a bottom material web from a supply roll and transports it intermittently along the packaging machine.
  • the bottom material web is optionally formed into packaging cavities, which are then covered/filled with a packaged product.
  • a top material web is sealed to the bottom material web in a sealing station.
  • the bottom and top material webs are each unwound from a supply roll, and at least one supply roll is motor-driven.
  • the present invention relates to a method for producing packaging.
  • the WO 2012/116823 Packaging machines in which a base material web is unwound from a supply roll and preferably transported intermittently along the packaging machine.
  • a packaging trough is first formed into the base material web, which is then filled with a packaged product, in particular a food product.
  • the packaging trough is then closed in a sealing station with a top material web, which is sealed to the base material web.
  • the material web is also unwound from a supply roll.
  • a dancer is provided between the supply roll and the sealing station, which must be adapted to the advance made by the base material web during a feed. In the past, this required a dancer individually designed for each packaging machine, which proved to be very complex.
  • the web tension was subject to inherent fluctuations, which could be disadvantageous.
  • the unwinding movement of the Films were preferably produced by the feed of the packaging machine and the tension force in the film generated by the dancer.
  • This state-of-the-art technology has the disadvantage that the respective material web is significantly stretched, causing it to become damaged and/or warped. Furthermore, the sealed connections between the upper material web and the lower material web are often damaged during further transport, especially at the beginning of the transport process.
  • Torque motors are either external rotor (stator inside, rotor (“rotor") outside) or internal rotor (rotor inside, stator outside). External rotors are preferred for torque motors because, due to the relationships shown below, they provide greater torque for the same size.
  • the high drive torque of torque motors enables high accelerations and leads to high system dynamics.
  • Torque motors have greater drive rigidity than conventional motor-gearbox units and preferably no backlash. This results in better control characteristics due to reduced disturbances and increased repeatability. High torques are required for large supply roll diameters, and high speeds are required for small supply roll diameters to drive the film roll at the preferred speed of the packaging machine. Both can be achieved with a servo and/or torque motor.
  • the shaft on which the supply roll is provided in a rotationally fixed manner is mounted at both ends, for example in order to minimize deformation/shaft deflection or its disruptive consequences and/or to form it symmetrically.
  • the drive of the transport means and the drive of the supply roll are at least temporarily synchronized during a feed such that the transport means and the material web move at least substantially at the same speed.
  • the drive of the transport means for the base material web, in particular the two chains, and the drive of the supply roll(s) are synchronized, in particular by means of a control system, such that the speed profile of the transport means and the speed profile of the material web are at least temporarily identical during a pre-drawing process when the material web is pulled off the roll.
  • the speeds/speed profiles are constant throughout the entire pre-drawing process.
  • the speed of the material web at the beginning of a feed is higher than the speed of the transport means.
  • an elongation/shortening of the transport device is preferably taken into account.
  • This elongation/shortening of the transport device can be achieved, for example, using strain gauges or a non-contact, particularly optical or electromagnetic, method.
  • the signal from this sensor is used to control the drive of the transport device and/or the supply roll.
  • reaction time(s) of individual components are preferably taken into account, for example the reaction time(s) of the control system, the drive, for example a drive, in particular a drive motor and/or the mechanical component(s) of the drive, for example the transport means.
  • Reaction times can arise, for example, from signal transmission delays and/or inertia of the component and/or slippage. These reaction times can be determined by calculation, for example based on empirical values and/or manufacturer's specifications and/or approximate calculation, and/or in tests directly after completion, maintenance and/or general overhaul of the packaging machine.
  • a reaction time preferably indicates the time difference between the start of a command in a line of the control system code, with which, for example, the movement of a component, for example the
  • the reaction times are preferably taken into account by starting the movements of the supply roll and the transport means at different times, with the time offset preferably corresponding at least to the difference between the reaction times for starting the supply roll and the transport means, with the reaction time of the transport means being dimensioned such that it includes the time until the movement of the material web starts at the last-created sealing seam.
  • the speed of the material web is controlled by means of a sensor which detects the elongation and/or web tension and/or web force of the respective material web.
  • the drive of the transport means of the lower material web, in particular of the two chains and the drive of the supply roll(s), in particular by means of a control Synchronized so that the speed profile of the transport device and the speed profile of the material web are identical, at least temporarily, during a pull-up.
  • the speeds/speed profiles are the same throughout the entire pull-up.
  • FIG. 2 shows a first embodiment of an upper material unwinder without a dancer.
  • the upper material web 14 is provided as a supply roll 21 on the driven shaft 23 in a rotationally fixed manner and is unrolled from this and then deflected around a roll 24 to then be introduced into the sealing station 15, in which it is materially bonded to the lower material web 8, so that material webs 8, 14 then move together.
  • the roll 24 preferably has a very low mass inertia and/or an air cushion is provided between the roll 24 and the material web 14, which reduces the friction between the roll and the material web.
  • the supply roll 21 is driven at least temporarily such that the material web 14 is unrolled at the same speed profile as the speed profile at which the conveyor moves along the packaging machine.
  • Figure 3 shows an embodiment according to Figure 2 , whereby in the present case two supply rolls 21, each driven, are provided.
  • One supply roll serves as a spare roll, so that only a very small production loss is guaranteed when changing rolls.
  • the material webs 14 of both rolls are generally not guided around the roll 24 at the same time. Otherwise, please refer to the explanations for Figure 2 referred to.
  • FIG 4 shows a design of a top material web unwinder in which no deflection roller 24 is provided.
  • the material web 14 is fed directly into the sealing station 15.
  • the material web roll 21 is provided on a height-adjustable, driven shaft 23 to ensure that the angle (here 0 degrees) at which the material web 14 enters the sealing station is always the same.
  • the dashed line shows an advanced material web consumption, in which the diameter of the roll has reduced accordingly.
  • the height adjustment of the roll is The shaft 23 is shown by the double arrow 25, whereby during the unwinding of the top material web during production, only a lowering of the shaft 23 is provided. Only when the supply roll is used up is the shaft 23 raised to its original position.
  • the adjustment of the shaft 23 preferably takes place automatically, for example, by measuring and/or calculating the diameter of the supply roll and adjusting the shaft 23 accordingly.
  • the Figures 5 and 6 each show an embodiment in which the upper material web 14 is printed either on one side or, as shown here, on both sides.
  • a printer 26 is provided, which can print the upper material web 14 on one or both sides.
  • the rollers 24 are preferably provided such that they have either a certain mass inertia and/or very low friction between the deflection roller 24 and the material web.
  • a more complicated printer is planned, which may require two rolls 24.
  • Figure 7 shows the force-time curve in the bottom or top material web over the course of a pre-roll.
  • Three examples are shown: a traditional unwinding system with a dancer, an improved unwinding system with a dancer, and the system according to the invention without a dancer. All curves show that at the beginning of the pre-roll, marked "Start," a force peak develops, which has already been significantly reduced in the improved unwinding system compared to the traditional unwinding system with a dancer. In the unwinding system without a dancer and with preferably optimized or non-existent deflection rollers 24, this peak is generated solely by the inertia of the material web 8, 14.
  • the material web 8, 14 Due to the significantly reduced force in the material web 8, 14, damage to this web can be avoided, and considerably fewer vibrations occur in the material web. At the same time, the seal seam of already sealed packages is significantly reduced. In order to further reduce the initial peak or even eliminate it completely, it may be advantageous for the material web 8, 14 to run ahead of the transport means at the start of a feed, for example by unwinding the material web before the start of the conveyor and/or by the unwinding speed of the material web being initially higher than the speed of the transport means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (8)

  1. Machine d'emballage (1), comprenant des rouleaux d'alimentation (21, 22), un système d'entraînement pour au moins l'un des rouleaux d'alimentation (21, 22), un moyen de transport (27), un système d'entraînement pour le moyen de transport (27), un poste de formage (2) et un poste de scellage (15), une bande de matériau inférieure (8) se déroulant du rouleau d'alimentation (22) et étant transportée de manière intermittente le long de la machine d'emballage au moyen du moyen de transport entraîné (27) et formant ainsi, dans un poste de formage (2), le cas échéant des alvéoles d'emballage (6) dans la bande de matériau inférieure (8), qui est ensuite garnie/remplie d'un produit à emballer (16), une bande de matériau supérieure (14) étant ensuite scellée à la bande de matériau inférieure (8) dans la station de scellage (15), les bandes de matériau inférieure et supérieure (8, 14) étant respectivement déroulées du rouleau d'alimentation (21, 22) et au moins un rouleau d'alimentation (21, 22) étant entraîné par un moteur,
    caractérisé en ce que le système d'entraînement du moyen de transport (27) et le système d'entraînement du rouleau d'alimentation (21, 22) sont synchronisés au moins par moments pendant une traction de telle sorte que le moyen de transport (27) et la bande de matériau (8, 14) se déplacent au moins essentiellement à la même vitesse,
    la bande de matériau (8, 14) précédant le moyen de transport au début d'un mouvement de traction et la bande de matériau (8, 14) suivant le moyen de transport à la fin d'un mouvement de traction,
    et comprenant un capteur qui mesure l'allongement et/ou la tension de bande et/ou la force de bande de la bande de matériau (8, 14).
  2. Machine d'emballage selon la revendication 1, caractérisée en ce qu'un allongement/raccourcissement du moyen de transport est pris en compte lors de la synchronisation.
  3. Machine d'emballage selon l'une des revendications 1 à 2, caractérisée en ce que le ou les temps de réaction des différents composants sont pris en compte lors de la synchronisation.
  4. Machine d'emballage selon l'une des revendications précédentes, caractérisée en ce que la bande de matériau (8, 14) est déroulée sans déviation après le déroulement du rouleau d'alimentation parallèlement au plan de transport du moyen de transport, en particulier horizontalement.
  5. Machine d'emballage selon la revendication 4, caractérisée en ce que le rouleau d'alimentation (21, 22) est réglable en hauteur sur la machine d'emballage et pendant le fonctionnement de la machine d'emballage.
  6. Machine d'emballage selon l'une des revendications précédentes, caractérisée en ce que le moyen de transport est entraîné entre le poste de scellage et/ou le poste de dépose et le poste de scellage et/ou dans la zone du poste de scellage et/ou en aval du poste de scellage.
  7. Machine d'emballage selon les revendications 1 à 6, caractérisée en ce que le signal du capteur est utilisé pour commander l'entraînement du moyen de transport et/ou du rouleau d'alimentation.
  8. Procédé de fabrication d'un emballage au moyen d'une machine d'emballage (1) qui déroule une bande de matériau inférieure (8) d'un rouleau d'alimentation (52) et la transporte par intermittence le long de la machine d'emballage au moyen d'un moyen de transport (27) et forme de préférence des alvéoles d'emballage (6) dans la bande de matériau inférieure (8) dans un poste de formage (2), lesquelles sont ensuite garnies/remplies d'un produit à emballer (16), une bande de matériau supérieure (14) étant ensuite scellée à la bande de matériau inférieure (8) dans un poste de scellage (15), les bandes de matériau inférieure et supérieure (8, 14) étant chacune déroulées d'un rouleau de stockage (21, 22), caractérisée en ce que le déroulement du rouleau de stockage (21, 22) est assuré par un moteur et en ce que l'entraînement du rouleau de stockage (21, 22) est synchronisé, au moins par moments, pendant un déroulement, de telle sorte que le moyen de transport (27) et la bande de matériau (8, 14) se déplacent au moins sensiblement à la même vitesse, au début d'un mouvement de transport, le déroulement de la bande de matériau (8, 14) devance la vitesse du moyen de transport et à la fin d'un mouvement de transport, le déroulement de la bande de matériau (8, 14) est en retard par rapport à la vitesse du moyen de transport, la vitesse de la bande de matériau (8, 14) et/ou du moyen de transport (27) étant commandée par un capteur qui détecte l'allongement et/ou la tension de bande et/ou la force de bande de la bande de matériau (8, 14).
EP20727931.6A 2019-05-10 2020-05-08 Machine d'emballage sans danseurs Active EP3966111B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP25178517.6A EP4582349A2 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans plateau

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019206783 2019-05-10
PCT/EP2020/062899 WO2020229355A1 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans danseur

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP25178517.6A Division EP4582349A2 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans plateau
EP25178517.6A Division-Into EP4582349A2 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans plateau

Publications (2)

Publication Number Publication Date
EP3966111A1 EP3966111A1 (fr) 2022-03-16
EP3966111B1 true EP3966111B1 (fr) 2025-07-02

Family

ID=70847321

Family Applications (2)

Application Number Title Priority Date Filing Date
EP25178517.6A Pending EP4582349A2 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans plateau
EP20727931.6A Active EP3966111B1 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans danseurs

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP25178517.6A Pending EP4582349A2 (fr) 2019-05-10 2020-05-08 Machine d'emballage sans plateau

Country Status (3)

Country Link
EP (2) EP4582349A2 (fr)
ES (1) ES3042258T3 (fr)
WO (1) WO2020229355A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021120371A1 (de) 2021-08-05 2023-02-09 Multivac Sepp Haggenmüller Se & Co. Kg Verpackungsmaschine mit folientransporteinrichtung sowie verfahren
DE102024113820A1 (de) 2024-05-16 2025-11-20 Multivac Sepp Haggenmüller Se & Co. Kg Folienschlupfüberwachung und Verpackungsmaschine mit Folienschlupfüberwachung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979877A (en) * 1974-08-01 1976-09-14 Multivac Sepp Haggenmueller Kg Vacuum packaging machine with web registration means
IT1240311B (it) * 1989-12-29 1993-12-07 Cavanna Spa Procedimento per controllare l'avanzamento del film di avvolgimento in macchine incartatrici e relativa macchina incartatrice
FR2669888B1 (fr) * 1990-12-03 1993-10-22 Erca Sa Procede et dispositif de positionnement avant scellage d'une bande de couvercles sur un ensemble de recipients.
IT1285733B1 (it) * 1996-06-06 1998-06-18 Ima Spa Metodo e dispositivo per l'applicazione, mediante termosaldatura, di un nastro di copertura di materiale termoplastico ad un nastro
US6820399B2 (en) 2000-11-24 2004-11-23 Cfs Germany Gmbh Method and device for positioning a web of film of a packaging device
EP1620340A2 (fr) 2003-03-06 2006-02-01 CFS Germany GmbH Dispositif de deroulement de feuille pourvu d'un frein a disque
DE10319420A1 (de) 2003-04-29 2004-11-18 Cfs Germany Gmbh Deckelfolienreckeinrichtung
DE102011012983B4 (de) 2011-03-03 2023-06-22 Gea Food Solutions Germany Gmbh Verpackungsmaschine zur Herstellung von Verpackungen aus bedruckten Warenbahnen
EP2860119B1 (fr) * 2013-10-09 2016-08-31 MULTIVAC Sepp Haggenmüller SE & Co. KG Machine d'emballage par emboutissage et procédé
EP3456640B1 (fr) 2014-12-05 2021-08-18 GEA Food Solutions Germany GmbH Tendeur rotatif pour une machine d'emballage
WO2016156336A1 (fr) * 2015-03-31 2016-10-06 Gea Food Solutions Germany Gmbh Dispositif et procédé de dosage de glace sèche dans une barquette d'emballage
TR201907236T4 (tr) * 2015-05-13 2019-06-21 Gea Food Solutions Germany Gmbh Bir kaldırma cihazına sahip paketleme makinesi.

Also Published As

Publication number Publication date
EP4582349A2 (fr) 2025-07-09
ES3042258T3 (en) 2025-11-19
EP3966111A1 (fr) 2022-03-16
WO2020229355A1 (fr) 2020-11-19

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