EP0924057B1 - Procédé et appareil pour la production simultanée de deux sachets - Google Patents

Procédé et appareil pour la production simultanée de deux sachets Download PDF

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Publication number
EP0924057B1
EP0924057B1 EP98114280A EP98114280A EP0924057B1 EP 0924057 B1 EP0924057 B1 EP 0924057B1 EP 98114280 A EP98114280 A EP 98114280A EP 98114280 A EP98114280 A EP 98114280A EP 0924057 B1 EP0924057 B1 EP 0924057B1
Authority
EP
European Patent Office
Prior art keywords
film web
tubular film
bags
bag
marking
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
EP98114280A
Other languages
German (de)
English (en)
Other versions
EP0924057A2 (fr
EP0924057A3 (fr
Inventor
Armin Meyer
Jakob Schneider
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.)
Lemo Maschinenbau GmbH
Original Assignee
Lemo Maschinenbau 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 Lemo Maschinenbau GmbH filed Critical Lemo Maschinenbau GmbH
Publication of EP0924057A2 publication Critical patent/EP0924057A2/fr
Publication of EP0924057A3 publication Critical patent/EP0924057A3/fr
Application granted granted Critical
Publication of EP0924057B1 publication Critical patent/EP0924057B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/98—Delivering in stacks or bundles
    • B31B70/984—Stacking bags on wicket pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/006—Controlling; Regulating; Measuring; Safety measures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/916—Pliable container
    • Y10S493/926—Pliable container having handle or suspension means

Definitions

  • the invention initially relates to a method for the simultaneous production of two bags each, in particular vending machine bags from successive ones Cross cutting and cross cutting formed double film web sections one flat-lay tubular film web made of thermoplastic plastic as well as for packets Stack the bags, the double film web sections being separated by a Direction of movement of the tubular film web extending longitudinal cut in two beforehand bags provided with receiving holes are divided by a Transfer device detected and on the spacing of the receiving holes next to each other arranged pins of a stacked moving pin stack conveyor be filed.
  • a method and a device for its implementation is in US 5,085,111.
  • EP 0701895-A describes a machine and a method for producing Plastic bags are known in which the position of a cross cutting device along Direction of movement of the film web is adjusted.
  • a detector near the cross cutter recognizes the contour of recesses in the film web and controls it depending on the position of the cutting device.
  • the invention has for its object a method for the simultaneous production of two bags each, in particular vending machine bags, made of double film web sections to propose a flat tubular film sheet made of thermoplastic material, by the manufacturing and / or setting inaccuracies of the facilities for Manufacture of the bags and / or stack of bags related disadvantages, which affect the precise location Positioning the bags and thus affect their precise stacking, so quickly be compensated for as much as possible by means of a particularly simple device trained funds.
  • this problem is solved in that the Tubular film web and the devices for producing the bags and / or the Bag stacks are automatically controlled relative to each other, the control with the exception of the unwinding area of the tubular film web, that the Tubular film web is guided correctly and the facilities for producing the Bags and / or the stack of bags with respect to a predetermined longitudinal end Marking of the tubular film web driven and opposite the tubular film web are automatically adjusted transversely to their direction of travel.
  • the Tubular film web when the position changes, the Tubular film web no longer adjusts it itself, but rather the bag-forming one controlled or stacking facilities themselves.
  • This machine control and Adjustment can be carried out much faster and more accurately than a modulation and adjustment of the tubular film web, especially if it is with comparatively high web speed is moved.
  • This simple and in particular quick adjustment of the facilities can be the usual Avoid material loss of the tubular film web and at the same time is the exact positioning for example of receiving holes in automatic bags compared to the Longitudinal cutting edge guaranteed in an optimal manner, so that the handling of Vending machine bags, for example in packaging machines, e.g. B. bread or bread slices pack, is also improved.
  • the specified marking on the tubular film web can be done in different ways and Can be achieved, for example, in that a serving as a tax mark longitudinal marking line applied to the tubular film web, preferably is printed on. This print can either already be made during the extrusion of the Tubular film web or during its subsequent assembly, i.e. when editing for Formation of bags can be applied.
  • Another option is to do without a line print entirely, rather one of the two edges or both edges of the tubular film web than to use the specified marking.
  • this can be done in terms of the device, for example achieve that the modulation via a scanning device in the form of a scanning head, for example in the area of a bottom folding device, a punching device, a slitter and optionally a strip cutter is made, that is, in all known devices that are used for the production of bags, especially vending machine bags, are necessary.
  • a bag making machine 1 is shown schematically, for simultaneous Manufacture of two bags, so-called automatic bags, trained and is set up.
  • An unwind stand 2 with a winding roll 3 is part of the machine a tubular film web 4 made of thermoplastic material.
  • the tubular film web 4 is within a processing state 5 indicated only schematically above housed drive rollers and tensioning rollers, not shown.
  • a marking line printing unit 6 is arranged, on which the Tubular film web 4 is passed and its function explained in more detail below becomes.
  • the processing stand 5 also takes a side or bottom folding insertion device 7 (see FIG. 2) and a strip cutting device 8 (see FIG. 3), the Meaning is explained in more detail below.
  • FIG. 4 Behind the processing stand 5 is one Hole punching device 9 arranged (see FIG. 4), the function of which is also shown below is described in more detail.
  • the hole punching device 9 is followed by a cross welding separating device 11 (see FIG. 5) and a transfer device 12, to which a Stacking device 13 with a pin stack conveyor 14 connects. In the area the latter is finally arranged a longitudinal cutting device 15 (see FIG. 7).
  • the bottom gusset insertion device 7 shown in FIG. 2 has in a manner known per se Side swords 16, through the formation of an air bubble inside the tubular film Side folds 17, which represent a bottom fold in the finished bag, into the Tubular film web 4 can be introduced.
  • the side swords 16 are one Not shown device transverse to the direction of movement of the tubular film web 4th adjustable. The training is such that during the run the tubular film web 4 as a function of one described in more detail below Marking an automatic control and adjustment takes place.
  • the tubular film web is in the area of the strip cutting device 8 shown in FIG 4 guided over a deflection roller 21.
  • the strip cutting device 8 has one Support rod 22, which is arranged in the left part of the processing station 5.
  • Support block 23 is adjustably fixed on the support rod 22.
  • the support block 23 supports Spacing-arranged cutting knives 24 which are arranged such that they separate a strip 25 from the top of the tubular film web 4, so that in a gap 26 is formed in the upper web. This way you can use a border create provided bags, d. H. in such bags used as vending machine bags the marginal edges delimiting the bag openings are not at the same height.
  • the hole punching device 9 shown in FIG. 4 has two adjustment drives 27, via the perforated tools 29 seated on support plates 28 can be actuated, with the aid of which Area of the gap 26 in each case two adjacent bore holes 31 in the tubular film web 4 can be introduced, the meaning below is explained in more detail.
  • Cross cut welding device 11 has a lower welding roller 32 and an upper one Welding bar 33, which is movable substantially in the vertical plane.
  • the longitudinal cutting device 15 With the help of the longitudinal cutting device 15 shown in Figure 7, the on both sides of the Pin stack conveyor 13 depending double film web section 35 in two Cut the bag packs lengthways, as shown in Figure 8. To this end the longitudinal cutting device 15 has two drive units 41 with a cutting bar 42, a cutting knife 43 attached to it, which is essentially in vertical direction can be moved up and down. The two themselves through the Longitudinal cut bag packs are shown in Figures 8 and 9 with 35 a and 35 b referred to.
  • the cutting knife is used to connect or block the individual bags in packages 43 brought to a certain temperature so that when penetrating of the cutting knife the superimposed edges of each bag stack welded together or fused.
  • Figures 10 and 11 are two different configurations of bags shown, which is generated by the method and the device according to the invention can be.
  • Figure 10 illustrates with an edge or a lip provided machine bags, in which the upper, defining the bag opening Edges are not at the same level, as seen from the removal of strip 25 Figure 3 and the resulting gap 26 results.
  • FIG. 11 illustrates the configuration of a double film web section according to perforations 44 have been created by means of a perforator (not shown). After the double film web sections along the line A into two individual bags have been separated, the edges of the bags are level because of the perforation line 44 is formed in both surfaces.
  • FIGS. 14 and 15 show a spreading device 18 which is in the region of the Pin stack conveyor 14 is arranged and about a common pivot axis 19 has pivotable spreading arms 20.
  • the spreading of the packs of bags is necessary to pack the bags on, not shown, substantially U-shaped trained wire brackets.
  • the wire brackets are hand made from below introduced what was previously not possible on two-track machines.
  • Figure 12 is shown in a schematic representation, as with the aid of a scanning device 45 and a marking line 46 on the tubular film web 4 a desired relative Alignment of the bag-forming facilities, in particular with regard to the bottom fold insertion device 7, the strip cutting device 8 and the punching device 9 is made opposite the tubular film web 4. According to that in FIG. 12 The process sequence shown is first on the underside of the tubular film web 4 with the help of the marking line printing unit 6, the marking line 46 on the underside of the Tubular film web 4 applied (see FIG. 12 a).
  • a probe 47 for example one works Photocell of the scanner 45 together, in such a way that at one Deflection the associated device, so for example the bottom folding insertion device 7 is controlled accordingly.
  • non-contact scanning head 47 each through a transmission line 49, and with the interposition of known control and amplifier units 51 with the Adjustment device connected.
  • a motor 52 of an actuator 53 and the necessary devices between probe 47 (sensor) and the servomotor 52 are directed according to the respective requirement.
  • the other devices are adjusted individually. An adjustment is made according to FIG. 12 c when cutting a strip 26 by the strip cutting device 8 and / or in the case of FIG. 12 d when the receiving bores 31 are drilled in The area of the gap 26 in the area of the punching device 9.

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  • Making Paper Articles (AREA)

Claims (11)

  1. Procédé pour la fabrication simultanée de respectivement deux sachets, en particulier de sachets d'automates en segments de feuille continue double successifs formés par soudage transversal et séparation transversale d'une feuille continue tubulaire (4) reposant à plat en matière synthétique thermoplastique, ainsi que pour l'empilage des sachets par paquets, les segments de feuille continue double (35) étant partagés par une coupure longitudinale s'étendant en direction de déplacement de la feuille continue tubulaire (4) en deux sachets préalablement pourvus de forures de réception (31), lesquels sont saisis par un dispositif de convoyage (12) et sont déposés en formant des piles sur des pointes (39) disposées les unes à côté des autres avec un écartement correspondant aux forures de réception (31) d'un transporteur de piles à pointes (14) déplacé par paquets, caractérisé en ce que la feuille continue tubulaire (4) et les dispositifs pour la fabrication des sachets et/ou des piles de sachets (35a, 35b) sont automatiquement réglés les uns par rapport aux autres, moyennant quoi le réglage, à l'exception de la zone de déroulement de la feuille continue tubulaire (4), s'effectue en ce que la feuille continue tubulaire (4) est guidée de manière conforme à la position, et en ce que les dispositifs pour la fabrication des sachets et/ou des piles de sachets (35a, 35b) sont amorcés par rapport à un marquage (46, 48) prédéfini de la feuille continue tubulaire (4)/lequel s'étend longitudinalement, et sont déplacés de manière automatique par rapport à la feuille continue tubulaire (4), à savoir transversalement au sens de sa marche.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une ligne de marquage (46) s'étendant longitudinalement et servant de marquage de commande est appliquée, et de préférence imprimée sur la feuille continue tubulaire (4).
  3. Procédé selon la revendication 2, caractérisé en ce que la ligne de marquage (46) est appliquée sur la feuille continue tubulaire (4) pendant l'extrusion ou la confection.
  4. Procédé selon la revendication 1, caractérisé en ce que la ligne de marquage (46) est appliquée sur le dessous de la feuille continue tubulaire (4).
  5. Procédé selon la revendication 1, caractérisé en ce que le marquage prédéfini est formé sur la feuille continue tubulaire (4) par les arêtes (48) s'étendant longitudinalement de celle-ci.
  6. Procédé selon l'une quelconque ou plusieurs des revendications 1 à 5, caractérisé en ce qu'une palpation de la ligne de marquage (46) ou des arêtes (48) de la feuille continue tubulaire (4) et un amorçage des dispositifs pour la fabrication des sachets et/ou des piles de sachets (35a, 35b) s'effectuent à plusieurs reprises en cas de besoin pendant la durée de fabrication des sachets.
  7. Procédé selon la revendication 6, caractérisé en ce que la palpation et l'amorçage qui s'en suit sont respectivement effectués si nécessaire dans la zone des dispositifs individuels pour la fabrication des sachets et/ou piles de sachets (35a, 35b).
  8. Procédé selon l'une quelconque ou plusieurs des revendications 1 à 7, caractérisé en ce que les segments de feuille continue double (35) sont ouverts par écartement dans la zone d'empilage par un dispositif d'écartement, afin de pouvoir y introduire des cintres en fil de fer depuis le bas.
  9. Dispositif pour l'exécution du procédé selon l'une quelconque des revendications 1 à 8 avec des dispositifs pour la fabrication des sachets et/ou des piles de sachets (35a, 35b), à savoir un dispositif de pliage du fond (7), un dispositif de perforation de trous (9), un dispositif de soudage et de séparation transversal (11), un dispositif de convoyage (12), un transporteur de piles à pointes (14), un dispositif de découpage longitudinal (15) et un dispositif de découpage de bandes (8) le cas échéant, caractérisé par un dispositif de palpation (45) et un dispositif de réglage et de déplacement qui lui est raccordé, moyennant quoi le dispositif de réglage et de déplacement est en liaison de travail avec au moins un des dispositifs pour la fabrication des sachets et/ou piles de sachets (35a, 35b), de sorte que les dispositifs formant les sachets et/ou les piles de sachets peuvent être orientés relativement au marquage (46, 48) s'étendant longitudinalement de la feuille continue tubulaire.
  10. Dispositif selon la revendication 9, caractérisé en ce que respectivement un dispositif de palpation (45) et un dispositif d'amorçage et de déplacement qui lui est raccordé est disposé au moins dans la zone du dispositif de pliage du fond (7), du dispositif de perforation des trous (9), et du dispositif de découpage de bandes (8) le cas échéant.
  11. Dispositif selon la revendication 10, caractérisé en ce que le dispositif de palpation (45) présente au moins un palpeur (47) réagissant à une ligne de marquage (46) appliquée sur la feuille continue tubulaire (4) par un groupe d'impression de ligne de marquage (6), ou aux arêtes (48) s'étendant longitudinalement de la feuille continue tubulaire (4).
EP98114280A 1997-11-24 1998-07-30 Procédé et appareil pour la production simultanée de deux sachets Expired - Lifetime EP0924057B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751798A DE19751798A1 (de) 1997-11-24 1997-11-24 Verfahren und Vorrichtung zum gleichzeitigen Herstellen von jeweils zwei Beuteln, insbesondere Automatenbeuteln aus Doppelfolienbahnabschnitten einer flachgelegten Schlauchbahn
DE19751798 1997-11-24

Publications (3)

Publication Number Publication Date
EP0924057A2 EP0924057A2 (fr) 1999-06-23
EP0924057A3 EP0924057A3 (fr) 2001-03-07
EP0924057B1 true EP0924057B1 (fr) 2004-05-26

Family

ID=7849522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98114280A Expired - Lifetime EP0924057B1 (fr) 1997-11-24 1998-07-30 Procédé et appareil pour la production simultanée de deux sachets

Country Status (6)

Country Link
US (1) US6149565A (fr)
EP (1) EP0924057B1 (fr)
DE (2) DE19751798A1 (fr)
DK (1) DK0924057T3 (fr)
ES (1) ES2221966T3 (fr)
NO (1) NO983968L (fr)

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DE19910264A1 (de) * 1999-03-08 2000-09-14 Reinhold Klaus Masch & Geraete Verfahren zum Herstellen eines Packmittels aus Kunststoffolie oder dergleichen verschweißbarem Material
US6394309B1 (en) 2001-08-13 2002-05-28 Abram Fainberg Automatic vending machine for dispensing products in a hangable paper or plastic bags
SE520285C2 (sv) * 2001-10-29 2003-06-17 Straalfors Ab Förfarande och anordning vid löpande banor som försetts med tryck i en höghastighetsprinter
US6623411B2 (en) * 2002-01-25 2003-09-23 Ro-An Industries Corporation Bag-making machine with web alignment control
US6869386B2 (en) * 2002-06-26 2005-03-22 The Procter & Gamble Company Method for manufacturing discrete articles from a material web using synchronized servo-actuated operational units
US7134788B2 (en) * 2003-06-11 2006-11-14 Chang Chia H Resealable bag with top tear-away header and zipper and method of manufacturing the same
US20070295637A1 (en) * 2006-06-22 2007-12-27 Howard Ho Self opening T-shirt bag pack
DE102006029561A1 (de) * 2006-06-26 2007-12-27 Lemo Maschinenbau Gmbh Beutelstapel ohne Restabfall
DE102013220512A1 (de) * 2013-10-11 2015-04-16 Windmöller & Hölscher Kg Verfahren zum Bilden eines Schlauches aus einem Flachbahnmaterial sowie eine Schlauchbildungseinrichtung und ein System zum Herstellen von Beuteln
US11338538B2 (en) * 2016-08-17 2022-05-24 Les Emballages Trium Inc. Process for manufacturing bags for packaging items, and bag produced therefrom
MX2019004768A (es) * 2016-10-27 2019-07-01 Lemo Maschb Gmbh Mejora en la fabricacion de bolsas de tapa plegable.
US10642551B2 (en) 2017-07-14 2020-05-05 Georgia-Pacific Corrugated Llc Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US20190016551A1 (en) 2017-07-14 2019-01-17 Georgia-Pacific Corrugated, LLC Reel editor for pre-print paper, sheet, and box manufacturing systems
US11485101B2 (en) 2017-07-14 2022-11-01 Georgia-Pacific Corrugated Llc Controls for paper, sheet, and box manufacturing systems
US11520544B2 (en) 2017-07-14 2022-12-06 Georgia-Pacific Corrugated Llc Waste determination for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US11449290B2 (en) 2017-07-14 2022-09-20 Georgia-Pacific Corrugated Llc Control plan for paper, sheet, and box manufacturing systems

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Also Published As

Publication number Publication date
EP0924057A2 (fr) 1999-06-23
DE19751798A1 (de) 1999-05-27
NO983968D0 (no) 1998-08-28
ES2221966T3 (es) 2005-01-16
EP0924057A3 (fr) 2001-03-07
DK0924057T3 (da) 2004-08-09
US6149565A (en) 2000-11-21
DE59811463D1 (de) 2004-07-01
NO983968L (no) 1999-05-25

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