EP0169464B1 - Dispositif pour la fabrication et pour le remplissage de sacs - Google Patents

Dispositif pour la fabrication et pour le remplissage de sacs Download PDF

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Publication number
EP0169464B1
EP0169464B1 EP85108757A EP85108757A EP0169464B1 EP 0169464 B1 EP0169464 B1 EP 0169464B1 EP 85108757 A EP85108757 A EP 85108757A EP 85108757 A EP85108757 A EP 85108757A EP 0169464 B1 EP0169464 B1 EP 0169464B1
Authority
EP
European Patent Office
Prior art keywords
label
fold
advance
bag
semi
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
Application number
EP85108757A
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German (de)
English (en)
Other versions
EP0169464A2 (fr
EP0169464A3 (en
Inventor
Erich Scheja
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.)
A B G Apparatebau-Gesellschaft mbH
Original Assignee
A B G Apparatebau-Gesellschaft mbH
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 A B G Apparatebau-Gesellschaft mbH filed Critical A B G Apparatebau-Gesellschaft mbH
Publication of EP0169464A2 publication Critical patent/EP0169464A2/fr
Publication of EP0169464A3 publication Critical patent/EP0169464A3/de
Application granted granted Critical
Publication of EP0169464B1 publication Critical patent/EP0169464B1/fr
Expired 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
    • B65B9/06—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it
    • B65B9/08—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing
    • B65B9/093—Enclosing successive articles, or quantities of material, in a longitudinally-folded web, or in a web folded into a tube about the articles or quantities of material placed upon it in a web folded and sealed transversely to form pockets which are subsequently filled and then closed by sealing the web having intermittent motion

Definitions

  • the invention relates to a device for the production and filling of bags, which are provided with - preferably stiff - label strips and are produced from a half-tube consisting of plastic film, by means of separating weld seams which are attached transversely to its extension - by means of appropriate welding jaws - into the first open bags on the open side of the half-tube and after filling by seal welding - by means of appropriate seal-welding jaws - the bags are divided.
  • a device is e.g. B. is known from US-A-3 319 538.
  • the labels are even attached manually to already filled bags by placing a roof-like folded cardboard strip with labeling over an edge of the bag and attaching it there using staples. If the filling of the bag has a greater weight and the bag is hung on hooks or the like by means of an opening in the label for the presentation, the bag looks slightly unsightly because the filling weight tries to detach the bag from the fastening clips on the label.
  • the bag fold can have any dimensions transversely to the forward direction without this having any influence on the label feed because the label is inserted at the same place in each case.
  • a pouch tape is inevitably formed in the manufacture of the pouches in that adjacent pouches are connected to one another in a band-like manner over a partial area of the label fold.
  • the labels arranged in the label fold stiffen the band-shaped connection in sections in each case to a length corresponding approximately to the dimension of the bag opening in the forward direction. This gives the bag band a chain-like structure with relatively stiff chain links formed by the labels, which are flexibly connected to one another via the partial areas of the label fold mentioned.
  • the separating welding jaws work synchronously with perforating jaws, which are arranged in continuation of the separating welding jaws in the region of the part width of the label fold which is recessed by the separating welding jaws in order to produce a perforation which continues in a line-like manner.
  • This perforation has no influence whatsoever on the handling of the bag band, but facilitates the later separation of the bags from the bag band.
  • the label feed element is expediently designed or arranged that the labels can be advanced from a position outside the half-tube into a transfer position within the half-tube, from which the labels are taken along by frictional engagement with the label fold when the half-tube is advanced. Special measures for holding the labels in the label fold are therefore unnecessary.
  • a channel comprising a label edge can be arranged as the feed element, in which the label can be moved into the transfer position by means of a stamp guided parallel to the channel.
  • a light barrier is arranged in the forward direction behind the transfer position as part of a control of the intermittent feed of the half-tube, in order to advance the feed when the light path of the light barrier is released after passing the rear edge of a label in the forward direction with activation of the separating welding jaws Interrupt the execution of the separating weld seams and switch on again when the light path is interrupted again through the front edge in the forward direction of the next label pushed into the transfer position.
  • the dimension of the bags in the feed direction is automatically adapted to the corresponding dimension of the labels. No measures are required to convert the device.
  • the label fold can be guided on a curved web with a center of curvature on the side of the bag belt facing the free edges of the U-folds, in such a way that the web guiding elements provide the free one Try to press the edge of the label fold transversely to the direction of advance against the labels without grasping the free edge of the bag fold lifting off from the free edge of the label fold due to the curvature of the web.
  • a blower with a blowing direction leading away from the label fold can be directed against the free edge of the bag fold in order to forcibly hold the edge of the bag fold in the lifted-off position by the blower flow trying to inflate the bag.
  • the bags 1 shown in Figures 1 and 2 consist of a film, the edges of which are folded over to form a half tube such that a first fold 2 (label fold) and a second larger fold 3 (bag fold) are formed with overlapping edges, whereby the free edge of the bag fold 3 rests on the free edge of the label fold 2 from the outside.
  • a first fold 2 label fold
  • a second larger fold 3 bag fold
  • weld seams 4 which extend over the entire bag fold 3 and an adjoining partial area of the label fold 2 and each connect the front and back of the folds 2 and 3 of each bag 1, but separate adjacent bags 1 from one another.
  • the separating weld seams 4 continue into perforations 5 arranged in a line, which facilitates tearing of the area of the label fold 2 connecting the bags 1.
  • a label 6 made of cardboard or the like is accommodated, which is held in place on the one hand by frictional engagement at the separating weld seams 4, which somewhat encompass two opposite corners of the label 6, and by a sealed weld seam 7, which are tight runs below the label transversely to the separating weld seams 4 and connects the free edges of the folds 2 and 3 to one another and to the opposite common side of these folds. If necessary, it is also sufficient if the sealing weld 4 is applied just below the free edge of the label fold and only connects the opposite sides of the bag fold 3 to one another. In any case, the seal weld 7 closes the bag fold 3 in FIGS. 1 and 2 from above, so that the filling material (not shown) accommodated in the bag fold 3, which is introduced before the seal weld 7 is applied, is securely enclosed.
  • the bags 1 are produced from a plastic film 8 which is wound on a roll 9 in the device according to the invention shown in FIGS. 3 and 4.
  • the plastic film 8 first runs over guide rollers 10, of which the roller 10 'is arranged resiliently, so that the roller 9 can be unwound at a constant speed, although the plastic film 8 runs intermittently through the device.
  • the film 8 is drawn over a shape shoulder assembly 11.
  • This essentially consists of three pyramid-like guide surfaces 12 to 14.
  • the lateral guide surfaces 13 and 14 are arranged such that their front edges in FIG. 3 leave a gap 15 visible in FIG. 5 between them.
  • the end piece 14 'of the guide surface 14 is turned over in a U-shape in such a way that its free end in the view in FIG. 5 lies within the gap 15 and, according to FIG. 3, is directed obliquely downwards to the right.
  • the two side edges of the film also lie flat on the guide surfaces 13 and 14, the on The side edge lying on the guide surface 14 also lies flat on the left side of the end piece 14 in Figure 5. If the side edges of the film rest on the guide surfaces 13 and 14 or the end piece 14 'in the manner mentioned, a slack area of the film forms 3, such that the film is drawn on the one hand around the front edges of the guide surfaces 13 and 14 delimiting the gap 15 and on the other hand around the front edge of the end piece 14 ' inevitably the half tube with cross section according to Figure 2, which subsequently in the horizontal direction (see FIG. 3) through the device is transported further.
  • a guide bar 16 is arranged which is fastened in front of the shaped shoulder arrangement 11 in the transport direction of the film 8 and projects cantilevered through the gap at the lower end of the gap 5 in the horizontal direction.
  • Upper and lower pairs of belts 17 and 18 are arranged as a drive for the advance of the film or the half tube, which rotate on guide rollers 19 which are arranged such that the upper pairs of belts 17 between them the label fold 2 and the lower pairs of belts 18 between them Grip the region of the bag fold 3 adjacent to the label fold 2 and allow it to advance to the right in FIGS. 3 and 4 by frictional engagement when the guide rollers 19 are driven.
  • an insertion groove 20 is arranged which, parallel to the guide bar 16, passes through the gap 15 into the vicinity of a light barrier arrangement 22 by a label magazine 21 at the lower end of the end piece 14' .
  • the labels 6 are pushed in the groove 20 by means of a pneumatically driven stamp 23 with interrupted advance of the film or the half-tube (guide rollers 19 and thus the pairs of belts 17 and 18 stand still) in FIGS. 3 and 4 to the right until the in The direction of advance of the front edge of the label 6 interrupts the light path of the light barrier arrangement 22.
  • the stamp 23 stops or runs back to capture the next label, while the advance of the film 8 or the half-tube switches on and the label 6 located in the take-over position on the light barrier arrangement 22 is carried along by frictional engagement with the label fold. As soon as this label, which has just been taken along, clears the light path of the light barrier arrangement 22 again as it passes by its rear edge, the film advance is interrupted again.
  • a separating welding jaw arrangement 24 is also actuated to produce the separating weld seams 4.
  • a separating welding jaw 25 is pressed by means of a pneumatic unit 26 against a fixed counter jaw 27 covered with silicone rubber, until the respective separating weld seams 4 are made and the bag fold 3 has been cut between these seams 4.
  • a pneumatic unit 28 actuates a perforating knife 29, which is pressed against a perforated jaw 30 covered with rubber.
  • the perforations 5 are thus produced in a continuation of the separating weld seams 4.
  • the dimensions of the bags 1 in the forward direction are automatically of the corresponding length. Labels 6 adjusted.
  • a punching device 31 is arranged in the forward direction behind the separating welding jaw arrangement 24, with which the label fold 2 and the label 6 of each bag 1 located therein can be perforated to form a suspension opening or the like (see FIG. 1).
  • This punching device 31 is arranged to be displaceable in the forward direction of the film, so that the suspension opening can be attached at a desired point - generally in the middle of the bag.
  • the punching device 31, like the separating welding jaw arrangement 24, is actuated when the film 8 is interrupted, wherein the punching device 31 can again be switched on - indirectly or directly - by the light barrier arrangement 22.
  • a filling station 32 for filling the bags is arranged between the pairs of belts 17 and 18 in the manner shown in FIGS. 3 and 4. The filling station 32 can
  • a curved guide plate 33 with pressure rollers 34 is arranged such that the label fold 2 runs between the guide plate and the pressure rollers 34, without the bag fold 3 being able to be reached by the guide plate 33.
  • the guide plate 33 rests with its convex side on the left side of the label fold 2 in FIG. 2, so that the same is accordingly pushed away (in FIG. 2) to the right.
  • the free edge of the bag fold 3 tries to stand out from the free edge of the label fold 2, so that a bag opening 35, shown schematically in FIG. 4, is formed.
  • an air jet is directed from above against the free edge of the bag fold 3 by means of a blower 36, so that the bag opening is inevitably opened or kept open, since the air jet tries to inflate the bag.
  • the material to be filled can now be filled into the bag by means of a feed or portioning device, not shown.
  • a bag separator 39 with pneumatically operated clamping jaws 40 is used, which are able to hold the bag strand in front of and behind a perforation 5 in such a way that a simultaneously operated separating slide 41 can cut through the perforation 5.
  • the separated and filled bags can now be fed to a transport container (not shown) or the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Claims (8)

1. Dispositif de fabrication et de remplissage de sacs (1) qui sont munis d'étiquettes en bandes (6), de préférence rigides, et sont fabriqués à partir d'une demi-gaine constituée d'une feuille de matière plastique (8), en divisant la demi-gaine transversalement par des cordons de soudure de séparation (4) appliqués à l'aide de mâchoires de soudage (24) appropriées, en sacs tout d'abord ouverts du côté ouvert de la demi-gaine puis fermés par soudure (7), après le remplissage, à l'aide de mâchoires de soudage (37) appropriées, caractérisé en ce que pour la fabrication de la demi-gaine, il est possible à l'aide d'un épaulement de formage (11) faisant partie intégrante du dispositif, de rabattre les deux bandes latérales d'une bande de feuille (8) pouvant être tirée sur l'épaulement de formage (11) en formant deux plis en U (2, 3) se chevauchant par leurs bords libres, en ce qu'à l'aide d'un organe d'amenée des étiquettes (20, 23), les étiquettes (6) peuvent, de manière synchrone avec l'avance de la demi-gaine déplacée le long d'une voie de transport, être introduites par l'ouverture terminale côté bande de feuille, de la demi-gaine, dans l'un des plis (pli d'étiquette 2) par le bord libre recouvert à l'extérieur par l'autre pli (pli de sac 3), et en ce que les cordons de soudure de séparation (4) pouvant être placés, à l'aide des mâchoires de soudage de séparation (25), derrière chaque étiquette introduite (6), s'étendent sur toute la largeur du pli de sac (3) jusque dans la zone du pli d'étiquette (2) entre des étiquettes (6) qui se suivent, à l'exception toutefois d'une largeur partielle du pli d'étiquette (2).
2. Dispositif selon la revendication 1, caractérisé en ce que les mâchoires de soudage de séparation (25) fonctionnent de manière synchrone avec des mâchoires ou lames de perforation (29, 30) qui sont disposées dans le prolongement des mâchoires de soudage de séparation (25), dans la zone de la largeur partielle laissée de côté par les mâchoires de soudage de séparation (25), du pli d'étiquette (2), afin de fabriquer une perforation (5) prolongeant en ligne les cordons de soudure de séparation (4).
3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que les étiquettes (6) peuvent être avancées, à l'aide de l'organe d'amenée des étiquettes (20, 23), d'une position à l'extérieur de la demi-gaine, dans une position de transfert (en 22) à l'intérieur de la demi-gaine, à partir de laquelle les étiquettes (6) sont entraînées par le pli d'étiquette (2), par frottement avec ce dernier, lors de l'avance de la demi-gaine.
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'il est prévu, en tant qu'organe d'amenée des étiquettes, une rigole (20) entourant un bord de l'étiquette dans laquelle les étiquettes (6) peuvent être avancées dans la position de transfert (en 22) à l'aide d'un piston (23) guidé parallèlement à la rigole.
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'il est placé, dans la direction d'avance derrière la position de transfert (en 22), un barrage photoélectrique (22) faisant partie d'une commande de l'avance par cycle de la demi-gaine, de telle sorte que l'avance soit interrompue en cas de libération du trajet optique du barrage photoélectrique (22) après le passage de l'arête, arrière dans le sens de l'avance, d'une étiquette (6), les mâchoires de soudage de séparation (25) étant alors déclenchées pour réaliser les cordons de soudure de séparation (4), et que l'avance soit rétablie en cas de nouvelle interruption du trajet optique par l'arête, avant dans le sens de l'avance, de l'étiquette suivante (6) amenée dans la position de transfert (en 22).
6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que, dans une station de remplissage (32) se trouvant, dans le sens de l'avance, après les mâchoires de soudage de séparation (25), le pli d'étiquette (2) peut être guidé sur une voie courbée avec un centre de courbure sur le côté de ces plis tourné vers les bords libres des plis en U (2, 3), de telle sorte que les éléments de guidage de la voie (tôle de guidage 33, galets-presseurs 34) cherchent à presser le bord libre du pli d'étiquette (2) transversalement à la direction d'avance, contre les étiquettes (6), sans saisir le bord libre du pli de sac (3) qui se soulève du bord libre du pli d'étiquette (2) du fait de la courbure de la voie.
7. Dispositif selon la revendication 6, caractérisé en ce qu'il est disposé sur la station de remplissage (32), une soufflante (36) dont la direction de soufflage s'éloigne du pli d'étiquette (2) et va en direction du bord libre du pli de sac (3).
8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce qu'il est disposé, dans le sens de l'avance, derrière les mâchoires de soudage de séparation (25), un dispositif de poinçonnage (31) qui permet de réaliser une ouverture traversant le pli d'étiquette (2) ainsi que l'étiquette (6) et destinée, par exemple, à la suspension ultérieure du sac (1).
EP85108757A 1984-07-24 1985-07-12 Dispositif pour la fabrication et pour le remplissage de sacs Expired EP0169464B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843427168 DE3427168A1 (de) 1984-07-24 1984-07-24 Vorrichtung zur herstellung sowie befuellung von beuteln
DE3427168 1984-07-24

Publications (3)

Publication Number Publication Date
EP0169464A2 EP0169464A2 (fr) 1986-01-29
EP0169464A3 EP0169464A3 (en) 1987-04-15
EP0169464B1 true EP0169464B1 (fr) 1988-09-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108757A Expired EP0169464B1 (fr) 1984-07-24 1985-07-12 Dispositif pour la fabrication et pour le remplissage de sacs

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US (1) US4662147A (fr)
EP (1) EP0169464B1 (fr)
DE (2) DE3427168A1 (fr)

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DE3727341A1 (de) * 1987-08-17 1989-03-02 Beck & Co Packautomaten Vorrichtung zum verpacken einer ware und eines neben dieser angeordneten begleitzettels
US5228268A (en) * 1992-04-15 1993-07-20 Mhb Industrial Corp. Flexible bag with article encapsulated on one side thereof
DE9216416U1 (de) * 1992-12-02 1993-03-04 Rauscher & Co. Verbandstoff- und Wattefabriken Ges.m.b.H., Schönau a.d. Triesting Verpackung für Kompressen o.dgl.
US5513479A (en) * 1995-04-21 1996-05-07 Dennis Garberg & Associates, Inc. System for enclosing an object in a packaging structure
US5546732A (en) * 1995-07-13 1996-08-20 Dennis Garberg & Associates, Inc. Method and apparatus for making and filling bags
FR2746369B1 (fr) * 1996-03-21 1998-06-05 Filpack Procede et machine pour le remplissage et la fermeture de sacs textiles, et sacs textiles obtenus
ITMI20052011A1 (it) * 2005-10-21 2007-04-22 Sitma Spa Metodo per il confezionamento di prodotti editoriali in film plastico e relativa confezione
EP2308758A1 (fr) * 2009-10-07 2011-04-13 IASOPOR - Equipamentos de Embalagem, Umipessoal, Lda Procédé et dispositif pour fabriquer et remplir des récipients souples ainsi que le récipient obtenu
US9828125B2 (en) 2009-10-20 2017-11-28 Cvp Systems, Inc. Modified atmosphere packaging apparatus and method with automated bag production
US8689529B2 (en) * 2009-10-20 2014-04-08 Cvp Systems, Inc. Modified atmosphere packaging apparatus and method with automated bag production
US10407199B2 (en) 2015-08-28 2019-09-10 Cvp Systems Llc Packaging apparatus with package dividing seal mechanism
CN112046816B (zh) * 2020-09-23 2021-10-08 上海鼎丰酿造食品有限公司 一种液体包装机

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Also Published As

Publication number Publication date
EP0169464A2 (fr) 1986-01-29
DE3565086D1 (en) 1988-10-27
DE3427168A1 (de) 1986-01-30
US4662147A (en) 1987-05-05
EP0169464A3 (en) 1987-04-15

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