EP0390190B1 - Machine à remplir et fermer les sachets - Google Patents

Machine à remplir et fermer les sachets Download PDF

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Publication number
EP0390190B1
EP0390190B1 EP90106157A EP90106157A EP0390190B1 EP 0390190 B1 EP0390190 B1 EP 0390190B1 EP 90106157 A EP90106157 A EP 90106157A EP 90106157 A EP90106157 A EP 90106157A EP 0390190 B1 EP0390190 B1 EP 0390190B1
Authority
EP
European Patent Office
Prior art keywords
bags
filling
bag
filling station
station
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
EP90106157A
Other languages
German (de)
English (en)
Other versions
EP0390190A1 (fr
Inventor
Hans-H. Meyer
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.)
Cessione meyer Jens
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT90106157T priority Critical patent/ATE83451T1/de
Publication of EP0390190A1 publication Critical patent/EP0390190A1/fr
Application granted granted Critical
Publication of EP0390190B1 publication Critical patent/EP0390190B1/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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain
    • 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
    • B65B39/007—Guides or funnels for introducing articles into containers or wrappers
    • 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
    • B65B43/28—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports
    • 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
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/02—Plurality of alternative input or output lines or plurality of alternative packaging units on the same packaging line for improving machine flexibility

Definitions

  • the invention relates to a bag filling and closing device in which the filling material is inserted into a prefabricated bag in a filling station, with a spreading and holding device for the bags for preparing the bags for the filling process, which the bags are in a position next to the filling station picks up, spreads and transferred to the filling station.
  • a bag filling and closing device corresponding to the preamble of claim 1 is known, which comprises a rotatable disc lying in a vertical plane. There are perforations distributed around the circumference on the disk. Tubular holding devices are provided around the openings, which protrude horizontally from a surface of the disk. A section of a tubular packaging material is pushed onto the tubular holding devices from a roll. The section is cut off at one end and sealed. The disc rotates in the manner of a revolver, and in a subsequent station the goods to be packaged are inserted through the corresponding opening into the interior of the tubular holding device.
  • bag filling devices are known in which a single bag stack is kept ready in the filling station and the upper bag is inflated or opened by a vacuum suction device.
  • a filling mouth designed as a spreading device dips into the opened container, and then the filling material, for example a container of toilet paper, is pushed into the bag.
  • These devices are susceptible to faults, since numerous movement elements are accommodated in a very small space in the area of the filling station and interfere with one another in their movement sequence and can therefore often only be moved one after the other. This leads to delays.
  • the contents have to be inserted via a ramp into the top of the bag in the stack of bags. This results in numerous accidents (ski jump effect).
  • Another disadvantage is that in practice the number of bags to be accommodated in the filling position is limited to approximately 200 bags. This means that a stack of bags has to be replenished frequently, which in turn leads to frequent business interruptions.
  • Another known device has an integrated bag manufacturing and packaging system, in which the individual bags are brought into the filling station immediately after completion with the aid of a suction belt conveyor and then opened by blowing in air or suction. This method is also prone to failure. The bags cannot always be opened reliably due to electrostatic or material-related adhesive forces. Feeding in accordance with the report is not always guaranteed.
  • the invention has for its object to design a device of the generic type so that it is less prone to failure and enables the filling of bags with high capacity and high efficiency.
  • This object is achieved in a device of the type mentioned above in that two spreading and holding devices are mounted side by side on a slide between the filling station and two storage and / or feeding stations for pouches lying on both sides next to it , and that the spreading and holding devices are arranged on the carriage and the latter is movable in such a way that in the end positions of the carriage movement one of the spreading and holding devices alternately in one of the supply and / or supply stations and one of the spreading and holding devices lies in the filling station.
  • the bag supply can thus be kept ready in two separate bag stacks outside the filling station, it can comprise a substantially larger number of bags than when it is accommodated directly in the filling station. Sufficient space is available for the process of opening and spreading, so that a reliable mode of operation can be achieved. The so-called ski jump effect does not apply because only the bag to be filled immediately reaches the filling station. Because of the tandem design, in which a bag is picked up at the same time another is filled, enough time is available for both processes so that the process can be considerably accelerated.
  • bags that are fed from a roll and individually separated can also be picked up and spread. This can also be done in such a way that the bag filling device is immediately connected upstream of a manufacturing and packaging system for bags.
  • the stack of bags can be placed in the storage and supply stations on a base which can be raised and adjusted in the vertical direction, so that the upper bag is always at the same height.
  • the bags are preferably held on two parallel, generally vertical bars which engage in two holes on the edge of the bags.
  • the bars are bent at the top ends in a flat curve towards the bags. This makes it easier to pull off the respective upper bag, and the bags in the upper area still move slightly against one another in the stack, so that the sticking together is restricted due to electrostatic or other material-related properties.
  • Hold-down devices lie against the upper end of the rods, which cooperate with the ends of the rods in a ball and ball socket configuration and are preferably resiliently biased against the rods. This results in a reliable separation of the bags.
  • the contents are preferably brought in individual containers on an accumulation conveyor in front of the filling station and pressed into the bags with a slide.
  • pouch used in the present context refers to all kinds of pouch-shaped containers, including sacks, bags made of paper or foils and the like.
  • the device comprises a filling station 10, to which supply and / or supply stations 12, 14 are assigned on two opposite sides.
  • An endless accumulation conveyor 16 moves in front of the filling station 10 and here has a holding position 18, from which the filling material 22 can be inserted into a bag 24 provided by means of a slide 20.
  • the example shown is a bag which is open at the bottom and has a handle 26 which is open on the bottom, that is to say relative to the handle 26, during the filling process.
  • the device can of course also be used for other bag, sack or bag shapes.
  • the bag 24 is held open by two lateral, swiveling expanding jaws 28, 30. After the bag has been filled, it is advanced into a station 32 (FIG. 1), which is only indicated here, in which the bag is closed and welded and then transported away.
  • the spreading jaws 28, 30 are preceded by two lateral guides 34, 36, which guide the filling material 22 laterally during the movement from the accumulation conveyor 16 to the spreading jaws 28, 30 and into the bag 24.
  • the guides 36, 38 run parallel and open directly into the spreading jaws 28, 30.
  • the guides 34, 36 and the expanding jaws 28, 30 are mounted on a carriage 38 which can be pushed back and forth parallel to the accumulation conveyor 16.
  • a guide rod 40 and a pneumatic cylinder 42 are provided.
  • the carriage 38 also carries further guides 34, 36 and expanding jaws 28, 30 in a position lying in front of the left supply and / or feed station 12 according to FIGS. 1 and 2.
  • the expanding jaws 28, 30 are mounted on vertical swivel axes 44, 46, which are guided in slots 48 of the slide 38 which diverge obliquely in the retraction direction.
  • a drive mechanism not shown, is provided for advancing and retracting the expanding jaws. This movement is necessary so that the expanding jaws 28, 30 can be advanced from the position shown on the left in FIGS. 1 and 2 into a bag that is kept ready.
  • the sliding movement of the carriage 38 and the positions of the two pairs of guide and spreading jaws on the carriage are selected such that they alternate in front of the left supply and / or supply station 12 and the filling station or in front of the filling station and the right supply and supply station 14 stand.
  • One bag 24 can thus be filled at the same time, while another bag is picked up in one of the two supply and supply stations 12, 14.
  • suction cups 50, 52 and 54, 56 in the two supply and / or supply stations 12, 14, which raise the upper bag wall and allow the expansion jaws to enter.
  • Other devices for opening the bags such as air nozzles, can also be provided.
  • a linear conveyor 58 can also be provided, which moves the bags into the holding position 18.
  • the loading positions of the two conveyors 16, 58 are designated with 60 and 62.
  • the filling process can be significantly accelerated. It is not necessary to accommodate the entire mechanics in the smallest space within the filling station 10. The filling material can always be pushed straight into the bag without moving over a ramp. The bag supply to be made available is considerably larger than if the bag stack were immediately accommodated in the filling station.
  • Figures 3 to 5 illustrate the provision of the bags in the supply and / or supply stations.
  • the bags 24 have two holes 74, 76 lying side by side on the bottom edge. These enable a stack of bags to be pushed onto two parallel bars 78, 80, which are vertical in the upper end region and curved in the direction of the bags.
  • the rods 78, 80 are connected below the stack of bags by a connecting piece 82 and, moreover, are angled at right angles in the direction of the bags.
  • the angled ends which are not labeled, can be inserted into guide grooves 84, 86 at an edge of an overall plate-shaped carriage 88 which has rollers, which are not labeled, for insertion into the stations 12, 14.
  • a hook 90 is used to fix the connector 82 and thus the rods 78, 80 on the carriage.
  • a rectangular, plate-shaped support 92 is supported, which forms the actual support surface for the stack of bags.
  • Support and guide pins 94, 96 determine the minimum distance between the carriage 88 and the support 92.
  • Two blind slots 98, 100 entering an edge of the support enable the rods 78, 80 to pass through.
  • the carriage 88 has a dovetail guide 102 on the underside, which runs into a corresponding dovetail guide 104 in the stations 12, 14, which is fixedly attached to the floor. This will fix the car.
  • the base 92 runs in the stations 12, 14 shown in FIG. 4 with the pins 106, 108 projecting downward onto the top of lifting members 110, 112, which can be raised and lowered with the aid of vertical spindles 114, 116 and guides 118, 120. In this way, the pad 92 can be lifted off the cart and always keep the top surface of the stack of bags at a constant level.
  • FIG. 5 shows a partial section of one of the rods 78, the support 92 and the slot 98 in the support 92, which receives the rod 78.
  • a stack of bags, not designated, is indicated on the base 92.
  • the rod 78 curves in the upper area to the right in FIG. 5, so that the bags can be moved against one another, as can be seen directly in FIG.
  • the upper end of the rod 78 forms a ball socket into which a spherical extension 122 engages on the underside of a rod-shaped hold-down 124.
  • the hold-down device is pivotably mounted in a horizontal axis 126 and enables the attachment of the attachment 122 against the ball socket to be fixed.
  • the hold-down device 124 with the attachment 122 and the ball socket of the rod 78 act as a separating device and prevent an uncontrolled escape of several bags that stick together.

Landscapes

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

Claims (6)

  1. Dispositif à remplir et à fermer des sachets dans lequel la matière de remplissage est introduite, dans une station de remplissage, dans un sachet préfabriqué, comprenant un dispositif d'écartement et de retenue pour les sachets en vue de la préparation des sachets pour le remplissage, qui saisit les sachets dans une position couchée à côté de la station de remplissage, les écarte et les fait passer dans la station de remplissage, caractérisé en ce que deux dispositifs d'écartement et de retenue (28, 30, 44, 46) sont disposés en juxtaposition sur un chariot (38) déplaçable dans les deux directions entre la station de remplissage (10) et deux stations de réserve et/ou d'alimentation (12, 14) de sachets placées de part et d'autre de ladite station de remplissage, et que les dispositifs d'écartement et de retenue (28, 30, 44, 46) sont disposés sur le chariot qui est déplaçable de telle façon que dans les positions de fin de course du chariot, alternativement l'un des dispositifs d'écartement et de retenue se situe dans l'une des stations de réserve et/ou d'alimentation (12, 14), tandis que l'autre dispositif d'écartement et de retenue se trouve dans la station de remplissage (10).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il comprend un système (50, 52, 54, 56) pour l'ouverture des sachets (24) dans chacune des stations de réserve et/ou d'alimentation (12, 14).
  3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que dans la station de réserve et/ou d'alimentation (12, 14) une pile de sachets individuels (24) perforés sur l'un des bords est maintenue sur deux tiges parallèles verticales (78, 80) cintrées dans la partie supérieure avec une faible courbure en direction des sachets, et que des éléments presseurs (122, 124) sont appliqués élastiquement contre les extrémités des tiges et coopèrent avec lesdites tiges en formant des surfaces sphériques et des coussinets sphériques correspondants.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la pile de sachets dans les stations de réserve et/ou d'alimentation (12, 14) repose sur un support (92) relevable et rajustable.
  5. Dispositif selon la revendication 4, caractérisé en ce que le support (92) est monté sur un chariot de manière à pouvoir être relevé verticalement par rapport à celui-ci, que les tiges (78, 80) doivent être reliées de manière amovible avec le chariot (88) et que le support (92) comprend des fentes (98, 100) pour la réception de tiges (78, 80).
  6. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'aux stations de réserve et/ou d'alimentation (12, 14) sont associés des supports de rouleaux pour la réception de rouleaux (64, 66) avec des bandes sans fin de sachets préfabriqués.
EP90106157A 1989-03-30 1990-03-30 Machine à remplir et fermer les sachets Expired - Lifetime EP0390190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90106157T ATE83451T1 (de) 1989-03-30 1990-03-30 Beutelbefuell- und schliessvorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3910208 1989-03-30
DE3910208A DE3910208A1 (de) 1989-03-30 1989-03-30 Beutelbefuell- und schliessvorrichtung

Publications (2)

Publication Number Publication Date
EP0390190A1 EP0390190A1 (fr) 1990-10-03
EP0390190B1 true EP0390190B1 (fr) 1992-12-16

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Application Number Title Priority Date Filing Date
EP90106157A Expired - Lifetime EP0390190B1 (fr) 1989-03-30 1990-03-30 Machine à remplir et fermer les sachets

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US (1) US5024042A (fr)
EP (1) EP0390190B1 (fr)
AT (1) ATE83451T1 (fr)
DE (2) DE3910208A1 (fr)

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DE3715702C2 (de) * 1987-05-11 1998-04-09 Icoma Fbs Gmbh Packtechnik Vorrichtung zum Füllen und Verschließen von Seitenfalten aufweisenden Säcken

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US5024042A (en) 1991-06-18
DE3910208A1 (de) 1990-10-04
EP0390190A1 (fr) 1990-10-03
ATE83451T1 (de) 1993-01-15
DE3910208C2 (fr) 1991-10-10
DE59000585D1 (de) 1993-01-28

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