EP1645512B1 - Dispositif pour l'ouverture de sachets empilés - Google Patents

Dispositif pour l'ouverture de sachets empilés Download PDF

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Publication number
EP1645512B1
EP1645512B1 EP05108591A EP05108591A EP1645512B1 EP 1645512 B1 EP1645512 B1 EP 1645512B1 EP 05108591 A EP05108591 A EP 05108591A EP 05108591 A EP05108591 A EP 05108591A EP 1645512 B1 EP1645512 B1 EP 1645512B1
Authority
EP
European Patent Office
Prior art keywords
bag
arrangement
opening
conveying
suckers
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 - Fee Related
Application number
EP05108591A
Other languages
German (de)
English (en)
Other versions
EP1645512A1 (fr
Inventor
Rainer Komp
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 EP1645512A1 publication Critical patent/EP1645512A1/fr
Application granted granted Critical
Publication of EP1645512B1 publication Critical patent/EP1645512B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated

Definitions

  • the invention relates to a device for opening flattened bag according to the preamble of claim 1.
  • Such a device is known from CH-PS 315224 known.
  • a flattened bag is removed from a bag magazine by means of a suction arm, which is arranged linearly displaceable and pivotable in an axis.
  • the removed bag is transferred after a pivoting movement of the arm to a four receiving pockets for bags having rotor.
  • the rotor is rotatable stepwise in a vertically arranged axis by 90 degrees, and holds the respective bag during the entire conveying path or during the entire rotation of the rotor by means of a gripping device.
  • the detection of the respective bag from the gripping device is made possible by two, acting on opposite sides of the bag suction devices.
  • Another suction device for opening the bag is provided in the region of a filling station, which makes it possible to insert a filling tube into the bag.
  • the known device is relatively expensive due to the large number of gripping devices.
  • the performance of the known device is limited by the fact that in each case only one bag can be delivered to the rotor.
  • the device according to the invention for opening flattened bags with the features of claim 1 has the advantage that, with a relatively simple construction, it enables safe operation at high power.
  • the device 10 shown in the figures is used to open stocked as blanks 2, flattened
  • the designed as Ovalmatir conveyor 11 has an endless conveyor strand 12. At the conveyor strand 12 by means of carrier 14 at regular intervals the format of the bag 1 adapted receiving cup 15 are mounted interchangeable.
  • the receiving cups 15 have a bottom 16, two side walls 17, 18 and a rear wall 19. The rear wall 19 opposite side of the receiving cup 15 is open, so that in plan view ( FIG. 1 ) open to the outside receiving cup 15.
  • the receiving cup 15 are clocked by means of a drive, not shown on the conveyor strand 12 in the direction of arrow 13 in the clockwise direction, wherein in the illustrated embodiment, the conveyor cycle in each case corresponds to the distance between two pitches t between two receiving cups 15.
  • the conveying path of the conveyor 11 can be divided into a first region 21, in which the blanks 2 are provided, a second region 22, in which the blanks 2 are inserted as a bag 1 in the receiving cup 15 and at the same time the bag 1 with a filling material, in particular free-flowing contents, a third region 23, in which a product compression takes place, a fourth region 24, in which closure devices, not shown, are arranged for closing the bag 1, and a fifth region 25, in which the filled and sealed bags. 1 be removed from the receiving cups 15 of the conveyor 11.
  • two bag magazines 28, 29 are arranged side by side in the conveying direction of the receiving cup 15.
  • Each of the two, known and similar to each other Bag magazines 28, 29 has lateral guides 30, 31 with retaining lugs 32, 33 for retaining the most prominent blank 2 in the bag magazine 28, 29.
  • the blanks 2 are pressed or conveyed in the direction of the retaining lugs 32, 33 by means of a respective transport belt 34, 35 arranged in the bottom region of the bag magazines 28, 29, so that a blank 2 is always ready there.
  • the bag magazines 28, 29 are preferably equipped manually, that is, with decreasing level additional blanks 2 by hand in the bag magazine 28, 29 between the guides 30, 31 are introduced from the retaining lugs 32, 33 opposite side.
  • the Beutelabzieh stimulating 36 includes two coupled suction plates 37, 38 which are perpendicular to the conveying direction of the receiving cup 15, that is parallel to the orientation of the bag magazines 28, 29 corresponding to the double arrows 41, 42 movable.
  • Each of the identically formed suction plates 37, 38 is arranged in coincidence with its facing wall 3 of a blank 2, and movable between a removal position and a transfer position. In the removal position, the suction plates 37, 38 are each in contact with one of the blanks 2 in the associated bag magazine 28, 29.
  • a negative pressure on the respective wall 2 of the blank 2 can be generated, which upon movement of the suction plates 37 , 38 in their spaced from the bag magazines 28, 29 transfer position causes the corresponding blank 2 overcome the resistance of the retaining lugs 32, 33 and so can be withdrawn from the bag magazine 28, 29.
  • a gripping device 44 is arranged in the region of the transfer position of the suction plates 37, 38.
  • the gripping device 44 has for each blank 2 a gripper 45, which are coupled together and each one of the suction plates 37, 38 are assigned.
  • the gripper 45 has two openable and closable fingers 46, 47, which are pivotable about a common axis 49.
  • the gripping device 44 or its grippers are reciprocable between the first region 21 and the second region 22, ie, parallel to the conveying path of the receiving cup 15 along the double arrow 51.
  • a sliding plate 52 ( FIG. 2 ). Further, aligned with the wall 4 of the blanks 2, two further, coupled suction plates 54, 55 are provided, which are movable according to the double arrows 56, 57.
  • a filling device 65 with two opening cross-sections of the opened bag 1 (dash-dot-line in FIG. 4 shown) insertable, possibly in the conveying direction of the bag 1 for extending the filling time pivotable metering tubes 66, 67 are provided.
  • the device 10 described so far operates as follows: From the bag magazines 28, 29, a blank 2 is simultaneously withdrawn at the same time by means of the suction plates 37, 38 of the bag peeling device 36.
  • the blanks 2 are in the transfer position ( FIG. 3 ) passed to the gripper 45 of the gripping device 44 and then the negative pressure to the suction plates 37, 38 is turned off.
  • the grippers 45 are moved in the aligned with the suction plates 54, 55 position.
  • the suction plates 54, 55 are brought into contact with the blanks 2 and a negative pressure for holding the blanks 2 is generated. Now the fingers 46, 47 of the grippers 45 can be opened and returned to their original position for taking over the subsequent blanks 2.
  • the suction plates 54, 55 are now moved into the receiving cup 15, while the suction plates 59, 60 are brought through the receiving cup 15 into contact with the facing walls 3 of the blanks 2.
  • By a controlled movement apart of the respective cooperating suction plates 54, 59 and 55, 60 act as opening means for the blanks 2, so that the metering tubes 66, 67 within the receiving cup Submerge 15 in the opening cross sections of the bag 1 and can start filling.
  • the negative pressure on the suction plates 54, 55, 59, 60 can be turned off.
  • the suction plates 54, 55, 59, 60 are returned to their original position, whereupon the operations are repeated as described.
  • the drive of the conveyor 11 must be so coordinated in particular with the suction plates 54, 55, 59, 60, that the insertion of the blanks 2 takes place in the receiving cup 15 each in a standstill phase of the conveyor 11.
  • the device 10 described so far can be modified or modified in many ways.
  • another number of bag magazines 28, 29 is conceivable for matching the power, along with correspondingly adapted bag peeling devices 36, gripping devices 44 and suction plates.
  • the conveyor 11 may be formed, for example, rectilinear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (5)

  1. Dispositif (10) pour ouvrir des sachets (1) disposés à plat, comprenant au moins un magasin à sachets (28, 29) recevant la réserve de sachets (1) formés par des flancs découpés (2) à plat, une installation de prélèvement de sachets (36) comportant des ventouses (37, 38) pour extraire chaque fois le sachet (1) situé le plus à l'avant du magasin à sachets (28, 29), ainsi qu'une installation d'ouverture ayant des ventouses (54, 55, 59, 60) pour ouvrir le flanc découpé (2) à plat, pour former un sachet (1) pour une installation de remplissage (65) pénétrant dans l'ouverture du sachet (1),
    caractérisé en ce que
    le dispositif comporte une installation de prise (44) prenant le sachet (1) dans sa région supérieure pour prendre le sachet (1) de l'installation d'extraction de sachet (36), l'installation de prise (44), parallèle et écartée du chemin de transfert d'une installation de transfert (11) étant mobile entre une position de prise dans la région du magasin à sachets (28, 29) et une position de transfert dans l'installation d'ouverture prévue sur le chemin de transfert, distante du magasin à sachets (28, 29), l'installation d'ouverture ayant pour chaque sachet (1), une installation de fixation munie de deux ventouses (54, 55, 59, 60) agissant par les deux côtés opposés, chaque fois sur une paroi latérale (3, 4) du sachet (1), et
    les ventouses (54, 55, 59, 60) associées à un sachet (1) sont mobiles transversalement au chemin de transfert de l'installation de transfert (11) entre une position de transfert du sachet (1) à partir de l'installation de prise (44) et une position de transfert du sachet (1) vers un moyen de réception (15) de l'installation de transfert (11).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    l'installation de transfert (11) est une bande transporteuse (12) sans fin, ayant des moyens de réception (15) répartis de façon équidistante, et
    les moyens de réception (15) sont réalisés en forme de gobelets avec des côtés ouverts tournés vers l'installation de prise (44).
  3. Dispositif selon la revendication 2,
    caractérisé
    la paroi arrière (19) du moyen de réception (15) correspondant aux deux parois latérales (3, 4) du sachet (1) a au moins un dégagement de façon que les ventouses (54, 55, 59, 60) de l'installation d'ouverture, associées à un sachet (1), soient situées sur les côtés opposés de l'installation de transfert (11), et
    l'une des ventouses (59, 60) peut traverser le dégagement pour arriver sur le sachet (1) et la tenir.
  4. Dispositif selon l'une des revendications 1 à 3,
    caractérisé par
    plusieurs magasins à sachets (28, 29) installés parallèlement les uns par rapport aux autres à côté du chemin de transfert de l'installation de transfert (11) dans la direction de transfert (13),
    un nombre de ventouses (37, 38, 54, 55, 59, 60) correspondant au nombre de magasins à sachets (28, 29) étant prévues pour l'installation d'extraction de sachets (36) et l'installation d'ouverture, et
    les ventouses (37, 38, 54, 55, 59, 60) sont couplées les unes aux autres dans l'installation d'extraction de sachets (36) et dans l'installation d'ouverture et elles sont mobiles ensembles.
  5. Dispositif selon l'une des revendications 1 à 4,
    caractérisé en ce que
    l'installation de remplissage (65) est située dans une région (22) dans laquelle les sachets (1) sont placés dans les moyens de réception (15) de l'installation de transfert (11), et
    l'installation de remplissage (65) présente pour chaque sachet (1), un tube de dosage (66, 67) qui descend dans la section d'ouverture du sachet (1).
EP05108591A 2004-10-07 2005-09-19 Dispositif pour l'ouverture de sachets empilés Expired - Fee Related EP1645512B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004048863A DE102004048863A1 (de) 2004-10-07 2004-10-07 Vorrichtung zum Öffnen flachgelegter Beutel

Publications (2)

Publication Number Publication Date
EP1645512A1 EP1645512A1 (fr) 2006-04-12
EP1645512B1 true EP1645512B1 (fr) 2008-02-20

Family

ID=35517525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05108591A Expired - Fee Related EP1645512B1 (fr) 2004-10-07 2005-09-19 Dispositif pour l'ouverture de sachets empilés

Country Status (3)

Country Link
US (1) US7194849B2 (fr)
EP (1) EP1645512B1 (fr)
DE (2) DE102004048863A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007061095A1 (de) 2007-12-19 2009-06-25 Robert Bosch Gmbh Schachtelträger
US8272409B2 (en) 2011-01-31 2012-09-25 Target Products Ltd. Methods, apparatus and systems for the handling of empty, flat folded storage bags in preparation for filling with a flowable material
WO2013124319A2 (fr) * 2012-02-20 2013-08-29 Bühler AG Dispositif et procédé d'ensachage de produits en vrac dans un emballage
CN106275613A (zh) * 2016-09-08 2017-01-04 合肥三冠包装科技有限公司 立式包装机自动开袋装置
IT201700014689A1 (it) * 2017-02-10 2018-08-10 I M A Industria Macch Automatiche S P A In Sigla Ima S P A Stazione di alimentazione di sigilli di chiusura e procedimento di alimentazione di sigilli di chiusura per una linea di confezionamento.
CN110510182B (zh) * 2019-09-17 2024-05-24 大同锡纯新材料有限公司 应用于包装注射器保护帽的入盒设备
CN113978828B (zh) * 2021-11-15 2022-12-30 湖南裕湘食品宁乡有限公司 一种大袋包装设备

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Publication number Priority date Publication date Assignee Title
US1589800A (en) * 1925-07-23 1926-06-22 Frank Julius Bagging machine
CH315224A (de) * 1953-06-24 1956-07-31 Sig Schweiz Industrieges Verfahren und Vorrichtung zum Öffnen eines flachgelegten Beutels
US3050918A (en) * 1959-04-16 1962-08-28 Bemis Bro Bag Co Automatic bag feeding machine
US3381446A (en) * 1966-03-09 1968-05-07 Roto American Corp Packaging machine for opening and filling pouch-type bags
US3688471A (en) * 1970-10-14 1972-09-05 Union Camp Corp Bag hanger
GB1418131A (en) * 1972-02-19 1975-12-17 Nakashima S Automatic package bag feeding device for use with an automatic charging device
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CA1092565A (fr) * 1978-10-31 1980-12-30 Johan D.W. Hoffman Appareil de manutention de sacs
DE3000496C2 (de) * 1979-03-14 1984-05-03 Gebrüder Bühler AG, Uzwil Vorrichtung zur Einzelentnahme eines Sackes von einem Sackstapel und zu dessen Überführung an den Auslaufstutzen eines Fülltrichters
FR2590231B1 (fr) * 1985-11-18 1988-01-22 Lion Automation Installation permettant de realiser de maniere automatique le remplissage de sachets ou emballages similaires
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EP1448460B1 (fr) 2001-09-05 2015-01-21 Graphic Packaging International, Inc. Appareil de bras-transfert rotatif

Also Published As

Publication number Publication date
US20060075725A1 (en) 2006-04-13
DE502005002894D1 (de) 2008-04-03
DE102004048863A1 (de) 2006-04-13
US7194849B2 (en) 2007-03-27
EP1645512A1 (fr) 2006-04-12

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