EP3934984B1 - Système de transfert destiné à être agencé sur une machine à sachets tubulaires - Google Patents

Système de transfert destiné à être agencé sur une machine à sachets tubulaires Download PDF

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Publication number
EP3934984B1
EP3934984B1 EP20710780.6A EP20710780A EP3934984B1 EP 3934984 B1 EP3934984 B1 EP 3934984B1 EP 20710780 A EP20710780 A EP 20710780A EP 3934984 B1 EP3934984 B1 EP 3934984B1
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EP
European Patent Office
Prior art keywords
transfer
filling
filling material
containers
container
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
EP20710780.6A
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German (de)
English (en)
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EP3934984A1 (fr
Inventor
Holger HERZBERGER
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.)
Rovema GmbH
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Rovema GmbH
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Filing date
Publication date
Application filed by Rovema GmbH filed Critical Rovema GmbH
Publication of EP3934984A1 publication Critical patent/EP3934984A1/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
    • B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
    • B65B37/16—Separating measured quantities from supply
    • B65B37/20—Separating measured quantities from supply by volume measurement
    • 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
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
    • B65B1/12—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/36—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by volumetric devices or methods
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles

Definitions

  • the invention relates to a transfer device for arrangement between a dosing device and the filling device of a tubular bag machine according to the preamble of claim 1.
  • the tubular bag machine can be equipped, for example, with a longitudinal welding device for forming a film tube.
  • This film tube is then sealed transversely in the tubular bag machine by means of two transverse sealing jaws that move against each other and weld the film tube transversely, so that tubular bags can be produced continuously or intermittently.
  • the tubular bags are filled with filling material by means of a filling device.
  • the individual tubular bags are separated from one another by means of a separating device.
  • a dosing device is arranged in front of the filling device.
  • a portion of the filling material is separated in order to fill the tubular bag with the specified quantity, for example a specified filling weight, a specified filling volume or a specified filling number.
  • the dosing device works synchronously with the tubular bag machine so that the amount of filling material required to fill the tubular bag can be filled through the filling device at exactly the right time. This synchronous operation between the dosing device and the tubular bag machine is increasingly leading to problems.
  • the EN 10 2014 219448 A1 (D1) describes a transfer device for arrangement between a dosing device and a filling device of a tubular bag machine, in which the properties of the filling material are exploited in order to transfer the filling material from a transfer container into a filling device as a result of the mass inertia and the swarming of the filling material.
  • a transfer device is limited to suitable filling materials and the process time for transferring the filling material as well as the packing performance of the tubular bag machine depend on the mass inertia and the swarming of the filling material.
  • the transfer device comprises an input station, an output station and several transfer containers.
  • the respective predetermined filling quantity of the filling material for filling into a tubular bag is transferred from the dosing device in the input station to the transfer containers located in the input station.
  • the transfer containers are then transported along a transfer path to the delivery station. In the delivery station, the transfer containers are emptied and the filling material transferred in the transfer containers is transferred to the filling device of the tubular bag machine. Finally, the transfer containers return along the return transfer path to the input station and are filled again with filling material from the dosing device.
  • a transfer control is provided according to the invention to control the transfer device when transferring the filling material to the tubular bag machine.
  • the transfer control is set up in such a way that the transfer process in the output station can be controlled either a) depending on the position of the transfer container relative to the filling device and/or b) depending on the speed of the transfer container.
  • the transfer containers each have a closure that can be adjusted between a closed position and an open position.
  • the transfer container In the closed position of the closure, the transfer container is closed and the filling material is stored in the transfer container. If the closure is then adjusted to the open position, the transfer container opens so that the filling material is transferred from the opening of the transfer container into the filling device under the influence of gravity.
  • the closure of the transfer container can be opened depending on the position of the transfer container relative to the filling device and/or depending on the speed of the transfer container.
  • the closure of the transfer container can be opened before the transfer container has come to a complete standstill above the filling device, so that the filling material already slides downwards under the influence of gravity before the transfer container has come to a complete standstill in the delivery station.
  • the transport volume of the transfer containers in which the The cross-section of the transfer container is such that it increases from top to bottom. If, for example, the transfer container is equipped with a closure that closes an opening in the transfer container, opening this closure causes the entire contents of the transport volume to slide vertically downwards at the same time. The braking effect of the walls of the transfer container on the transport volume caused by static friction is largely eliminated by the cross-section of the transport volume expanding downwards.
  • the cross-section of the transport volume in the area of the closure of the transfer container essentially corresponds to the cross-section at the inlet of the filling device of the tubular bag machine. Since the filling material in the transport volume of the transfer container is already pre-formatted, formatting of the filling material at the inlet of the filling device, as would otherwise have to be done with appropriate funnels, can be omitted. Instead, the filling material slides essentially congruently from the cross-section of the transport volume in the transfer container into the cross-section of the filling device below.
  • the cross-section of the transport volume in the transfer containers can be changed. This makes it possible in particular to use the same transfer containers to feed filling devices with different cross-sections.
  • an ejection device is provided on the transfer containers and/or on the output station, with which the filling material can be ejected from the transport volume of the transport container.
  • Such an ejection device can in particular Gravity can also be used to assist in emptying the transfer containers.
  • the design of the ejection device is basically arbitrary. Mechanically operated ejection devices are also conceivable. In terms of the flexibility of the ejection device, it is particularly advantageous if it is designed in the form of a compressed air nozzle.
  • the compressed air emitted from the compressed air nozzle can push the filling material out of the transfer container and blow it into the filling device of the tubular bag machine.
  • the design of the filling device to which the filling material is transferred from the transfer device is also basically arbitrary.
  • the filling device is designed in the form of a format tube, with the film tube being guided on the outside of the format tube to form the tubular bag.
  • the dosing device can preferably be designed in the form of a scale or a conveyor screw or a counter or a volume dosing device.
  • the method according to the invention is characterized in that the filling material is at least partially transferred to the filling device of the tubular bag machine during the transport movement of the transfer container in the delivery station.
  • a complete standstill of the transfer container when the filling material is transferred is therefore no longer necessary, which enables a significant increase in performance when transferring the filling material.
  • the closure of a transfer container is opened before it comes to a complete standstill in the delivery station in order to start the transfer process by moving the closure from its closed position to the open position before the transfer container comes to a standstill.
  • Fig.1 shows a tubular bag machine 01 for producing tubular bags 02.
  • a packaging film 03 is first formed into a tube around a format tube serving as a filling device 04 and sealed lengthwise.
  • the film tube 05 thus formed is sealed crosswise using cross-sealing jaws 06 and thereby closed at the upper and lower ends.
  • the tubular bag 02 which is still unsealed at the upper end, is filled with a filling material by the filling device 04 during the filling process in the tubular bag machine 01, whereby the filling material falls from above through the inner cross section of the format tube into the still open tubular bag.
  • a dosing device 07 is arranged upstream of the tubular bag machine 01 and, in the embodiment shown, is designed in the form of a dosing screw 08 with a corresponding drive. By suitably driving the dosing screw 08, a predetermined filling volume of the filling material can be dosed out of a filling material hopper 09.
  • a transfer device 10 is arranged between the tubular bag machine 01 and the dosing device 07.
  • the transfer device 10 comprises an input station 11 and a delivery station 12.
  • transfer containers 13 from the dosing device 07 can be filled with the pre-dosed amount of the filling material.
  • the transfer containers 13 are then transported along a transfer path 14 to the delivery station 12.
  • the transfer containers 13 are emptied so that the pre-dosed amount of the filling material falls from above into the opened tubular bags through the filling device 04.
  • the transfer containers 13 are filled in the input station 11 independently of the emptying of the transfer containers 13 in the delivery station so that synchronization between the dosing process in the dosing device 07 and the tubular bag filling process in the tubular bag machine 01 is no longer necessary.
  • Fig.2 shows the transfer device 10 with the input station 11 and the output station 12 in a schematic view from above.
  • the transfer containers 13 are transported along a return transfer path 15 back to the input station 11 after emptying in the delivery station 12, so that they can be filled there again with a pre-dosed amount of the filling material.
  • the transfer section 14 also contains a buffer 16 in which several transfer containers 13 can be temporarily stored. Switch elements 17 are used to fill or remove the transfer containers 13 in the buffer 16.
  • Fig.3 shows an alternative embodiment 18 of a transfer device.
  • the basic structure of the transfer device 18 corresponds to the structure of the transfer device 10, wherein the transfer device 18 comprises an additional input station 19.
  • the transfer containers 13 can again be filled with pre-dosed quantities of a filling material using a further dosing device. It is conceivable that different transfer containers are filled with filling material in the input stations 11 and 19 in order to increase the required dosing capacity by using two dosing devices.
  • the transfer containers 13 in the input stations 11 and 19 can also be filled with different filling materials so that each transfer container contains a pre-dosed mixture of filling materials after leaving the input station 19.
  • Fig.4 shows a third embodiment 20 of a transfer device.
  • the transfer device 20 differs from the transfer device 18 by the additional use of a further delivery station 21.
  • the transfer device 20 can be used to fill the transfer containers 13 with filling material in the input stations 11 and 19 using different dosing devices and the filling materials from the transfer containers 13 can then be delivered to two different tubular bag machines at the delivery stations 12 and 21. If the transfer devices include further input stations or delivery stations, complex transfer systems formed from a large number of dosing devices and a large number of tubular bag machines can be implemented.
  • Fig.6 shows the transfer container 13 with the closure 22 open.
  • the filling material 23 falls downwards through the opening 25 of the transfer container 13 under the influence of gravity.
  • the transport volume 24 has a cross-section that widens downwards, so that the falling movement of the filling material 23 after opening the closure 22 is not hindered by the friction on the inner walls of the transfer container 13.
  • Fig.7 the approach of the transfer container 13 at a conveying speed V 1 to the transfer position in the delivery station 12 or 21 above the filling device 04 of the tubular bag machine 01 is shown.
  • the closure 22 is still in its closed position and the transfer container 13 is thus completely closed.
  • Fig.9 shows the transfer container 13 after reaching the transfer position above the filling device 04. In this position, the transfer container 13 no longer has a horizontal speed, but has come to a complete standstill. By completely opening the closure 22, the filling material 23 was completely emptied from the transfer container 13 and transferred to the filling device 04. As soon as the transfer container, as in Fig.9 shown schematically, is completely emptied, the closure 22 is pivoted upwards again by the corresponding drive device and the transfer container is thereby closed. At the same time, the transfer container 13 is set in motion again and transported in the direction of the input stations 11 or 19.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Basic Packing Technique (AREA)

Claims (7)

  1. Élément de transfert (10, 18, 20) pour être disposé entre un dispositif de dosage (07) et le dispositif de remplissage (04) d'une machine à sac tubulaire (01), le dispositif de dosage (04) permettant le dosage d'une quantité de remplissage prédéfinie du matériau de remplissage à être rempli dans le sac tubulaire (02), et l'élément de transfert (10, 18, 20) comprenant au moins une station d'entrée (11, 19), au moins une station de distribution (12, 21) et plusieurs conteneurs de transfert (13), et une quantité de remplissage prédéfinie d'un matériau de remplissage pouvant être transférée à partir du dispositif de dosage (07) aux conteneurs de transfert (13) dans la station d'entrée (11, 19), et les conteneurs de transfert (13) étant transportés à la station de distribution (12, 21) le long d'une ligne de transfert (14), et le matériau de remplissage pouvant être transféré à partir de conteneurs de transfert (13) au dispositif de remplissage (04) dans la station de distribution (12, 21), et les conteneurs de transfert (13) étant retournés à la station d'entrée (11, 19) le long d'une ligne de transfert de retour (15),
    caractérisé en ce que
    les conteneurs de transfert (13) ont une fermeture (22), qui peut être ajuster entre une position fermée et une position ouverte, le matériau de remplissage étant stocké dans le conteneur de transfert (13) dans la position fermée de la fermeture (22), et, dans la position ouverte de la fermeture (22), le matériau de remplissage étant transféré à partir d'une ouverture (25) du conteneur de transfert (13) au dispositif de remplissage (04) sous l'influence de la gravité, et l'élément de transfert (10, 18, 20) étant contrôlé par un système de contrôle de transfert, le système de contrôle de transfert pouvant contrôler le processus de transfert pour le transfert du matériau de remplissage à partir d'un conteneur de transfert (13) au dispositif de remplissage (04) de la machine à sac tubulaire (01) dans la station de distribution (11, 19) a) en fonction de la position du conteneur de transfert (13) par rapport au dispositif de remplissage (04) et/ou b) en fonction de la vitesse du conteneur de transfert (13), et la fermeture (22) du conteneur de transfert (13) pouvant être ouverte a) en fonction de la position du conteneur de transfert (13) par rapport au dispositif de remplissage (04) et/ou b) en fonction de la vitesse du conteneur de transfert (13) de sorte que le matériau de remplissage est transféré au moins en partie au dispositif de remplissage le long de la ligne de transfert et/ou le long de la ligne de transfert de retour pendant le mouvement de transport de conteneurs de transfert (13) dans la station de distribution (12, 21).
  2. Élément de transfert selon la revendication 1,
    caractérisé en ce que
    le matériau de remplissage est accommodé dans une volume de transport (24) de conteneurs de transfert (13), la section transversale de la volume de transport (24) s'élargissant du haut vers le fond.
  3. Élément de transfert selon la revendication 1 ou la revendication 2,
    caractérisé en ce que
    dans la zone de la fermeture (22) du conteneur de transfert (13), la section transversale de la volume de transport (24) correspond à la section transversale à l'entrée du dispositif de remplissage (04) de la machine à sac tubulaire (01).
  4. Élément de transfert selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce
    qu'un élément de distribution, au moyen duquel le matériau de remplissage peut être distribué à partir de la volume de transport (24) du conteneur de transfert (13), est prévu aux conteneurs de transfert (13) et/ou dans la station de distribution (12, 21).
  5. Élément de transfert selon la revendication 4,
    caractérisé en ce que
    l'élément de distribution est réalisé dans le manière d'une buse à l'air comprimé, au moyen duquel de l'air comprimé est soufflé sur le matériau de remplissage.
  6. Élément de transfert selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    le dispositif de remplissage (04) est réalisé dans le manière d'un tuyau de formation, le film tubulaire (03) étant guidé sur la surface extérieure du tuyau de formation.
  7. Procédé pour l'opération d'un élément de transfert (10, 18, 20), qui est prévu pour l'arrangement entre un dispositif de dosage (07) et le dispositif de remplissage (04) d'une machine à sac tubulaire (01), l'élément de transfert (10, 18, 20) comprenant au moins une station d'entrée (11, 19), au moins une station de distribution (12, 21) et plusieurs conteneurs de transfert (13), et la quantité de remplissage prédéterminée du matériau de remplissage étant transférée à partir du dispositif de dosage (07) aux conteneurs de transfert (13) dans la station d'entrée (11, 19), et les conteneurs de transfert (13) étant transportés à la station de distribution (12, 21) le long d'une ligne de transfert (14), et le matériau de remplissage étant transféré à partir de conteneurs de transfert (13) au dispositif de remplissage (04) dans la station de distribution (12, 21), et les conteneurs de transfert (13) étant retournés à la station d'entrée (11, 19) le long d'une ligne de transfert de retour (15),
    caractérisé en ce que
    les conteneurs de transfert (13) ont une fermeture (22), qui peut être ajustée entre une position fermée et une position ouverte, le matériau de remplissage étant stocké dans le conteneur de transfert (13) dans la position fermée de la fermeture (22), et, dans la position ouverte de la fermeture (22), le matériau de remplissage étant transféré à partir d'une ouverture (25) du conteneur de transfert (13) au dispositif de remplissage (04) sous l'influence de la gravité, et l'élément de transfert (10, 18, 20) étant contrôlé par un système de contrôle de transfert, le processus de transfert pour le transfert du matériau de remplissage à partir d'un conteneur de transfert (13) au dispositif de remplissage (04) de la machine à sac tubulaire (01) dans la station de distribution (11, 19) étant contrôlé par le système de contrôle de transfert a) en fonction de la position du conteneur de transfert (13) par rapport au dispositif de remplissage (04) et/ou b) en fonction de la vitesse du conteneur de transfert (13), et la fermeture (22) du conteneur de transfert (13) étant ouverte a) en fonction de la position du conteneur de transfert (13) par rapport au dispositif de remplissage (04) et/ou b) en fonction de la vitesse du conteneur de transfert (13), la fermeture étant ouverte avant que le conteneur de transfert (13) arrête complètement dans la station de distribution de sorte que le matériau de remplissage est transféré au moins en partie au dispositif de remplissage le long de la ligne de transfert et/ou le long de la ligne de transfert de retour pendant le mouvement de transport de conteneurs de transfert (13) dans la station de distribution (12, 21).
EP20710780.6A 2019-03-06 2020-02-25 Système de transfert destiné à être agencé sur une machine à sachets tubulaires Active EP3934984B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019105623.3A DE102019105623A1 (de) 2019-03-06 2019-03-06 Transfereinrichtung zur Anordnung an einer Schlauchbeutelmaschine
PCT/EP2020/054856 WO2020178071A1 (fr) 2019-03-06 2020-02-25 Système de transfert destiné à être agencé sur une machine à sachets tubulaires

Publications (2)

Publication Number Publication Date
EP3934984A1 EP3934984A1 (fr) 2022-01-12
EP3934984B1 true EP3934984B1 (fr) 2024-06-05

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EP20710780.6A Active EP3934984B1 (fr) 2019-03-06 2020-02-25 Système de transfert destiné à être agencé sur une machine à sachets tubulaires

Country Status (4)

Country Link
US (1) US12043431B2 (fr)
EP (1) EP3934984B1 (fr)
DE (1) DE102019105623A1 (fr)
WO (1) WO2020178071A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005078A1 (de) * 1990-02-17 1991-08-29 Rovema Gmbh Vorrichtung zum herstellen, fuellen und verschliessen von beuteln aus einem heissversiegelbaren band
DE4409257A1 (de) 1994-03-18 1995-09-21 Rovema Gmbh Befüllvorrichtung
AUPP260298A0 (en) 1998-03-26 1998-04-23 Smith's Snackfood Company Limited, The Packaging method and apparatus
DE29911848U1 (de) 1999-07-07 2000-11-23 Vision Verpackungstechnik GmbH, 35305 Grünberg Einrichtung zum Abpacken von Schüttgut in Schlauchbeuteln o.dgl.
ITBO20060792A1 (it) 2006-11-22 2008-05-23 Acma S P A Metodo per la produzione di bustine di materiale incoerente.
US8776481B2 (en) 2009-01-15 2014-07-15 Ohki Co., Ltd. Packing-packaging apparatus
US8371094B2 (en) * 2009-10-23 2013-02-12 Frito-Lay North America, Inc. Method and apparatus for compacting product
DE102010040499A1 (de) * 2010-09-09 2012-03-15 Merz Verpackungsmaschinen Gmbh Dosierverfahren und Dosiervorrichtung
JP5666936B2 (ja) 2011-02-16 2015-02-12 株式会社イシダ 物品移送装置およびそれを備えた包装システム
DE102014219448A1 (de) * 2014-09-25 2016-03-31 Hastamat Verpackungstechnik Gmbh Verfahren und Vorrichtung zur Herstellung von Verpackungseinheiten
ITUA20164461A1 (it) * 2016-06-17 2017-12-17 I M A Industria Macch Automatiche S P A In Sigla Ima S P A Dispositivo dosatore per alimentare prodotti da infusione.

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Publication number Publication date
US20220315260A1 (en) 2022-10-06
WO2020178071A1 (fr) 2020-09-10
EP3934984A1 (fr) 2022-01-12
DE102019105623A1 (de) 2020-09-10
US12043431B2 (en) 2024-07-23

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