EP0648673B1 - Procédé et dispositif pour former, remplir et sceller des sachets - Google Patents

Procédé et dispositif pour former, remplir et sceller des sachets Download PDF

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Publication number
EP0648673B1
EP0648673B1 EP94115070A EP94115070A EP0648673B1 EP 0648673 B1 EP0648673 B1 EP 0648673B1 EP 94115070 A EP94115070 A EP 94115070A EP 94115070 A EP94115070 A EP 94115070A EP 0648673 B1 EP0648673 B1 EP 0648673B1
Authority
EP
European Patent Office
Prior art keywords
tube
mouthpiece
flexible tube
forming
seam
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.)
Expired - Lifetime
Application number
EP94115070A
Other languages
German (de)
English (en)
Other versions
EP0648673A1 (fr
Inventor
Harrie Janssen
Peter Slenders
Mark Smeets
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0648673A1 publication Critical patent/EP0648673A1/fr
Application granted granted Critical
Publication of EP0648673B1 publication Critical patent/EP0648673B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B9/10—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
    • B65B9/2042—Means for altering the cross-section of the tube filling opening prior to transversal sealing, e.g. tube spreading devices
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/14—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing
    • 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
    • B65B9/207—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 the web advancing continuously

Definitions

  • the invention is based on a method for producing, Filling and sealing of beutein according to the generic term of Claim 1.
  • a tube forming device and a longitudinal seam sealing device from an endless plastic film web Hose shaped. This is then vacuum-controlled Conveyor belts arranged on the tube forming device are incremental, each by a certain length promoted. Are located below the tube forming device a stationary block bottom molding device and a cross seam sealing device, which in the supplied Fold the tube a block bottom and then a cross seam form for the floor. Then the filling of the Product in the hose.
  • the inventive method for manufacturing, filling and Closing bags with the characteristic features of claim 1 has the advantage that block floors in one continuously conveyed plastic film tube folded can be. As a result, the performance is at after devices using this method are particularly high.
  • the features for performing the method according to the invention are shown in claim 2.
  • Measures and training are listed Developments and improvements to that specified in claim 2 Device possible.
  • jaws which are firmly connected to the cross seam jaw housing are and act positively on the mouthpiece an absolutely parallel connection of the mouthpiece with the Cross seam housing achieved.
  • a coupling of the inner tube with an actuating cylinder over a linkage represents a simple and safe lifting of the inner tube in the molded tube and thus the mouthpiece is also safe.
  • FIG. 1 shows a device for producing, filling and closing of bags simplified in front view
  • the Fig.2 to Figure 6 shows the device of Figure 1 during various phases of Bag production simplified in front views.
  • the device (FIG. 1) has a tube forming device 10, consisting of a shaped shoulder 11 and a shaped tube 12, and a longitudinal seam sealing device 13, with which a plastic film web 14 is formed into a tube 16 in a known manner.
  • a pull-off device in the form of a vacuum-assisted conveyor belt 18 for the hose 16 is arranged on each side of the shaped tube 12 at the level of the longitudinal seam sealing device 13.
  • An inner tube 19, which can be moved up and down within a certain range, for example 20 mm, with a mouthpiece 20 connected thereto is arranged in the shaped tube 12. The length of the inner tube 19 with the mouthpiece 20 is greater than the length of the shaped tube 12.
  • One side of the mouthpiece 20 is adapted to the shape of the shaped tube 12 at the outlet 17 at the lower end of the shaped tube 12, that is, for example, has a round shape, and is enclosed by this almost form-fitting. Thus, in particular, there are no edges possibly damaging the hose 16 during the transition from the molded tube 12 to the mouthpiece 20.
  • the side of the mouthpiece 20 opposite the inner tube 19 has one Floor 21, the shape of which is adapted to a block floor to be folded, that is to say in particular has a rectangular shape. Furthermore, there is an opening 22 in the bottom 21 for the filling material.
  • the area between the two sides of the mouthpiece 20 is designed such that a continuous transition between the two round or rectangular sides is created.
  • the inner tube 19 or the mouthpiece 20 is coupled via a linkage 23 to an actuating cylinder 25, for example pneumatically operated and firmly connected to the device.
  • a cross seam jaw housing 27 which can be moved up and down in the conveying direction of the hose 16 is arranged below the mouthpiece 20.
  • a packaging material device 30 with side folding spoons 31 is fastened on this.
  • the packaging material device 30 is movable transversely to the conveying direction of the hose 16 on the cross-seam jaw housing 27.
  • a transverse seam sealing device 32 with transverse seam jaws 33 is arranged on the transverse seam jaw housing 27, the closing movement of which is synchronized with the movement of the side folding buckets 31 via a cam mechanism.
  • the transverse seam sealing device 32 is associated with a cutting device (not shown) for separating bags 35 from the hose 16.
  • a clamping device 36 on both sides of the mouthpiece 20, which are also firmly connected to the cross seam jaw housing 27.
  • the clamping devices 36 have, for example, pneumatically operated holding jaws 37, the end faces 38 of which face the mouthpiece 20 are positively adapted to the mouthpiece 20.
  • Fig. 2 to Fig. 6 The operation of the device according to the invention is in the Fig. 2 to Fig. 6 are shown in simplified form, for the sake of simplicity in particular, a representation of the hose 16 and the bag 35 was waived.
  • the inner tube 19 with the mouthpiece 20 is in a raised position, so that only the mouthpiece 20 emerges from the molded tube 12. This is achieved by applying a corresponding negative pressure to the actuating cylinder 25.
  • the conveyor belts 18 continuously convey the hose 16, which was formed from the plastic film web 14 by the longitudinal seam sealing device 13, via the molded tube 12 and the mouthpiece 20.
  • the transverse seam jaw housing 27 moves upward from the lowered position counter to the conveying direction of the hose 16 , wherein the transverse seam jaws 33 previously located in a wide open position and the packaging material device 30 coupled to them begin to close shortly before the top dead center of the movement path of the transverse seam jaw housing 27 is reached.
  • the conveying speed of the hose 16 is adjusted to the speed of the cross-seam jaw housing 27 by means of the conveyor belts 18. If the speed of the transverse seam jaw housing 27 and that of the hose 16 are the same, the protrusion of the hose 16 required to form the block bottom is below the bottom 21 of the mouthpiece 20. At the same time, the holding jaws 37 of the clamping devices 36 previously in a retracted position are actuated and come with the interposition of the hose 16 in positive contact with the mouthpiece (Fig.3).
  • the actuating cylinder 25 is then vented and the mouthpiece 20 is moved by the transverse seam jaw housing 27 together with it at a speed corresponding to the conveying speed of the hose 16 (FIG. 4). This results in a constant overhang of the tube 16 with respect to the bottom 21 during the downward movement of the mouthpiece 20 and the transverse seam jaw housing 27.
  • the packaging material device 30 folds a block bottom with the overhang of the tube 16 and with the aid of the bottom 21, and then a transverse seam is formed by the transverse seam jaws 33.
  • the formation of the transverse seam is accompanied by the formation of a head transverse seam on the previously produced bag 35 and its separation from the hose 16 by the cutting device.
  • transverse seam jaw housing 27 is now shortly before its lower reversal point, during which the side folding spoons 31 of the packaging material device 30 are pivoted back (FIG. 6), and the transverse seam jaws 33 begin to open. In the lower reversal point of the transverse seam jaw housing 27, the transverse seam jaws 33 are completely open. The transverse seam jaw housing 27 now begins its upward movement again, the further course being repeated as described above.

Landscapes

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

Claims (5)

  1. Procédé pour réaliser, remplir et sceller des sachets (35) dans lequel une bande pelliculaire plastique sans fin (14) est, par l'action d'un dispositif de formage de tuyau (10) et d'un dispositif de soudage longitudinal en cordon (13), transformée en un tuyau (16) que fait avancer au moins un dispositif de tirage (18), des sachets (35) étant, au cours de la poursuite de l'avancement du tuyau formés et séparés du tuyau par un dispositif de soudage transversal en cordon (32) auquel est relié un dispositif de coupe,
    caractérisé en ce que
    le tuyau (16) avance en continu,
    une embouchure (20) se déplace en va-et-vient pendant une partie définie de la course d'avancement du tuyau (16), à l'intérieur du tuyau, parallèlement à lui et à la même vitesse,
    pendant cette partie définie de la course d'avancement, un dispositif de pliage (30) réalise, par pliage en appui sur le fond (21) de l'embouchure (20) d'une partie dépassante du tuyau (16), un fond fixe,
    le dispositif de pliage (30) se déplace, en même temps que le dispositif (32) de soudage transversal qui lui est relié, à la même vitesse que le tuyau (16),
    ensuite l'embouchure (20) est ramenée à sa position initiale en haut et pendant ce temps un matériau de remplissage est introduit dans le tube ainsi formé (16).
  2. Dispositif pour réaliser, remplir et sceller des sachets (35), comprenant un dispositif (10) de formage d'un tuyau constitué d'un épaulement de formage (11) et d'un tube de formage (12) pour former un tuyau à partir d'une bande pelliculaire plastique sans fin (14), un dispositif (13) de soudage longitudinal en cordon, au moins un dispositif (18) de tirage du tuyau formé (16), un dispositif (32) de soudage transversal en cordon, ainsi qu'un dispositif de pliage (30) pour former chaque fois, à l'extrémité du tuyau un fond fixe,
    caractérisé en ce que
    sur le dispositif (10) de formation du tuyau sont montés un tube intérieur (19) mobile en va-et-vient et une embouchure (20) qui lui est reliée,
    l'embouchure (20) est adaptée dans sa forme, à une extrémité au tube de formage (12) et à l
    Figure 00130001
    autre extrémité au fond fixe qu'il faut plier,
    l'embouchure(20) au niveau de son fond (21) comporte une ouverture (22) destinée au passage du produit de remplissage,
    à l'embouchure (20) est associé un dispositif (36) qui entraíne cette embouchure, pendant une partie de l'avancement de tube (16), en synchronisme avec le tuyau et dans la même direction ,
    le dispositif de pliage (30) est solidaire du dispositif (32) de soudage transversal en cordon,
    le dispositif de pliage (30) ainsi que le dispositif (32) de soudage peuvent être élevés et abaissés le long du parcours d'avancement du tuyau (16).
  3. Dispositif selon la revendication 2,
    caractérisé en ce que
    l'embouchure (20) au niveau (17) où elle sort du tube de formage (12), est entourée par celui-ci avec quasi une combinaison de formes.
  4. Dispositif selon la revendication 2 ou 3,
    caractérisé en ce que
    le dispositif assurant le déplacement de l'embouchure (20) est constitué d'au moins deux dispositifs de pincement (36), montés de part et d'autre de l'embouchure (20), et solidairement avec le dispositif (32) de soudure transversale en cordon, ces dispositifs de pincement (36) comprenant des mâchoires de maintien (37) mobiles transversalement par rapport à la direction d'avancement du tuyau (16) et dont les faces frontales (38) sont adaptées, par combinaison de formes, à l'embouchure (30).
  5. Dispositif selon une des revendications 2 à 4,
    caractérisé en ce que
    le tube intérieur (19) est relié par une tige (23) à un vérin de réglage permettant de faire monter le tube intérieur (19) dans le tube de formage.
EP94115070A 1993-10-19 1994-09-24 Procédé et dispositif pour former, remplir et sceller des sachets Expired - Lifetime EP0648673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4335577 1993-10-19
DE4335577A DE4335577A1 (de) 1993-10-19 1993-10-19 Verfahren und Vorrichtung zum Herstellen, Füllen und Verschließen von Beuteln

Publications (2)

Publication Number Publication Date
EP0648673A1 EP0648673A1 (fr) 1995-04-19
EP0648673B1 true EP0648673B1 (fr) 1998-03-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94115070A Expired - Lifetime EP0648673B1 (fr) 1993-10-19 1994-09-24 Procédé et dispositif pour former, remplir et sceller des sachets

Country Status (3)

Country Link
US (1) US5505040A (fr)
EP (1) EP0648673B1 (fr)
DE (2) DE4335577A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN111232317A (zh) * 2020-02-27 2020-06-05 苏州煜水生物科技有限公司 一种化肥生产用包装封口装置

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DE19539888C1 (de) * 1995-10-26 1996-10-10 Bosch Gmbh Robert Schlauchbeutelmaschine zum Herstellen von Beutelpackungen mit zwei gesiegelten Längsnähten
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US6622459B1 (en) 1998-12-30 2003-09-23 Jesus Alfonso Sarria Sanchez Process and facility for manufacturing and filling multiple-cavity sacks and sack produced according to said process
DE10149136A1 (de) 2001-10-05 2003-04-17 Bosch Gmbh Robert Vorrichtung und Verfahren zum Herstellen und Verschließen von aus wenigstens einer heißsiegelfähigen Packstoffbahn hergestellten Packung
DE10344116A1 (de) * 2003-09-24 2005-04-21 Manfred Hauers Kontinuierlich arbeitende vertikale Schlauchbeutelmaschine
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JP6126394B2 (ja) * 2013-01-31 2017-05-10 株式会社東京自働機械製作所 製袋充填機のガセット形成装置
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US9902517B2 (en) 2013-11-01 2018-02-27 Frito-Lay North America, Inc. Apparatus and method for a structurally resilient package
EP3145819B1 (fr) 2014-05-19 2020-12-02 Primapak, LLC Appareil et procédé de fabrication d'emballage souple
US10239644B2 (en) 2015-03-18 2019-03-26 Kellogg Company Flat-bottom stand-up bag, vertical form, fill, and seal system and methodology for utilizing the same
JP6407823B2 (ja) * 2015-08-24 2018-10-17 株式会社川島製作所 角底袋用の縦型製袋充填包装機
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Also Published As

Publication number Publication date
DE59405362D1 (de) 1998-04-09
EP0648673A1 (fr) 1995-04-19
DE4335577A1 (de) 1995-04-20
US5505040A (en) 1996-04-09

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