EP0290879A2 - Dispositif pour remplir et fermer des sacs ouverts d'un côté - Google Patents

Dispositif pour remplir et fermer des sacs ouverts d'un côté Download PDF

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Publication number
EP0290879A2
EP0290879A2 EP88106847A EP88106847A EP0290879A2 EP 0290879 A2 EP0290879 A2 EP 0290879A2 EP 88106847 A EP88106847 A EP 88106847A EP 88106847 A EP88106847 A EP 88106847A EP 0290879 A2 EP0290879 A2 EP 0290879A2
Authority
EP
European Patent Office
Prior art keywords
bags
grippers
sacks
filler neck
filling
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.)
Granted
Application number
EP88106847A
Other languages
German (de)
English (en)
Other versions
EP0290879B1 (fr
EP0290879A3 (en
Inventor
Konrad Tetenborg
Heinz Eschmann
Helmut Hüwelmann
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0290879A2 publication Critical patent/EP0290879A2/fr
Publication of EP0290879A3 publication Critical patent/EP0290879A3/de
Application granted granted Critical
Publication of EP0290879B1 publication Critical patent/EP0290879B1/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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/20—Reducing volume of filled material
    • B65B1/22—Reducing volume of filled material by vibration
    • 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
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags

Definitions

  • the invention relates to a device for filling and closing one-sided open, preferably with side gusseted sacks made of thermoplastic material with a pair of grippers which grasp the sacks in the region of their opening edges on the side regions, the grippers of which can be moved towards and away from one another, with one the side walls of the sacks in the area of the opening edges between the grippers that pull the suction cups apart, with a filler neck that can be lowered and lifted into the open sacks, and with a welding device that closes the opening edges, which are pulled apart and thus lying one on top of the other by a cross-weld seam.
  • Numerous devices of this type are known which are provided with a transport device which conveys the bags from a first station, which is usually a feed station, in which the transport device takes over the individual bags with a bottom seam, into the filling station changed and after filling the bags in a further conveying step transported to a welding station, in which the taut opening edges of the bags are provided with a cross weld after filling.
  • the bags are usually released from the transport device in the welding station or in a further conveying step after the welding station and are transported away by a subsequent conveyor device. If the bags are made of paper, a sewing machine that closes the opening edges is provided instead of the welding station.
  • the object of the invention is to provide a device of the type specified in the introduction, in which the sacks can be transported from the transfer station into the filling position below the filler neck and then into the welding station with simple means.
  • this object is achieved in a device of the generic type in that a transfer conveyor is provided which conveys flat sacks provided with bottom seams hanging freely into the area below the filler neck and by the swivel arms provided with a swivel drive, which at their upper free ends carry the grippers, take over the bags in a position in which they are essentially aligned with the longitudinal axis of the filler neck, that the swivel drive pivots the swivel arms after filling the bags in the feed direction beyond the filler neck while depositing on a base in the welding station, in which the Welding jaws of the welding device projecting beyond the grippers and corresponding to the position of the swivel arms relative to the longitudinal center plane of the Sacks angled flags of the opening edges with transverse sealing seams closing the sacks, and that the swivel drive then swivels the swivel arms back to their filling position below the filler neck to take over and hold the next
  • the device according to the invention is characterized by a simple and compact construction, because only for holding the bags in the filling station below the filler neck and for the subsequent transport of the bags into the welding station, in which the opened opening edges of the bags are provided with the transverse weld seams closing them a single pair of frame-mounted pivot arms is provided which carry the grippers.
  • the device according to the invention not only has a simple and robust structure, but also eliminates the otherwise usual special means for clamping the sack to be filled to the filler neck.
  • the free-hanging holder of the sacks to be filled on the swivel arms in the filling station also enables the sacks to be filled well, since the sack walls which initially lie on top of one another can expand freely under the pressure of the inflowing filling material.
  • the swivel arms provided according to the invention and provided with the grippers ensure good holding and guiding of the bags to be filled from the transfer conveyor to the welding station.
  • the swivel drive of the swivel arms expediently consists of pressure medium piston-cylinder units.
  • the grippers are each connected to the swivel arms via two links and can be swiveled towards and away from one another by pressure medium piston-cylinder units relative to the swivel arms. This configuration ensures simple movement of the grippers towards and away from one another. Move before filling the grippers towards each other, so that the filling opening for inserting the filler neck can be opened by the suction cups.
  • the inner links are expediently longer, the hinge points forming the corner points of a trapezoid.
  • one of the handlebars can be provided on its lower pivot shaft with an actuating lever on which one side of the pressure medium-piston-cylinder unit moving the gripper is articulated. The other side of the pressure medium-piston-cylinder unit is connected in an articulated manner to the associated pivot lever.
  • the upper ends of the links are each articulated on a support piece which is provided with a fixed gripper jaw, the movable gripper jaw being pivotable on a pressure medium-piston-cylinder unit.
  • suction cups that pull apart the opening edges of the sacks to be filled can be attached to the ends of pivoted levers that are mounted on the frame.
  • the swivel levers for parallel guidance of the suction cups each consist of two links.
  • the base consists of a conveyor belt which intermittently transports the filled bags.
  • This conveyor belt is intermittently advanced by a conveying step when the swivel arms pivot from the filling station while the filled bag is placed on the conveyor belt into the welding station, so that the upright position of the bag is maintained.
  • the conveyor belt is expediently at a distance from the conveying step te with the standing position of the filled bags securing backrest-like support devices or support cams.
  • control of the drive of the transfer conveyor and the conveyor belt are coordinated with one another in such a way that the sack to be filled has already been pivoted in a substantially hanging manner under the filler neck before the conveyor belt is switched on by one conveying step .
  • the sack made of lobular material is supported obliquely on the outside of a support cam, which could cause malfunctions in that the bag can no longer assume its position below the filler neck between two support cams of the conveyor belt during filling.
  • the welding jaws interacting in the manner of pliers are fastened or mounted on a carrier which is mounted so as to be pivotable about the frame about an axis arranged transversely to the conveyor belt and by means of a pressure-piston-cylinder unit for unhindered removal of those standing on the conveyor belt Sacks can be swung up.
  • vibrating plates which can be raised and lowered are provided, which give the floor area of the sack which hangs freely during filling on the pair of grippers.
  • the vibrating plates can be fastened by legs angled therefrom to two links, the other ends of which are fixed to the frame, one end of a vibrating cylinder being articulated on one of the links, the other end of which is fixed to the frame.
  • a system for manufacturing sacks, filling the sacks with a filling material and for transporting the filled sacks is shown schematically, which consists of a device 1 in which sacks are produced starting from a tubular film web provided with gussets and wound into a roll After a circular movement, the bags produced are transferred to the device 2 for filling and closing the bags by a transfer gripper (not shown) in a so-called cooling carousel.
  • the device 2 for filling and closing the bags is the subject of the present invention.
  • the bags are placed on a conveyor provided with support cams and provided with weld seams closing their opening edges. The bags are then dropped from this conveyor belt onto a conveyor belt 3 which conveys further.
  • the gusseted bags produced in the device 1 are conveyed in the direction of arrow A into a transfer position below the filler neck 12 by a transfer conveyor 4 (not shown in FIG. 1 and only indicated by the clamping jaws in FIG. 2). In this position the bags are taken over by the grippers 6,6 'held on the swivel arms 5,5'. The grippers grip the freely hanging bags on opposite sides in the area of their opening edges. After the bags have been released, the transfer conveyor moves back to its outer position on guides, not shown, in which it takes over the next bag 11 to be transferred to the swivel arms.
  • the swivel arms 5.5 ' are pivotally mounted on the side parts 7.7' of the machine frame and are aligned with each other journal 8.8 '.
  • In the area of the journal 8.8 'lever 9 is attached to the pivot arms 5.5', at the free ends of which the piston rods are articulated by pressure-piston-cylinder units 10, the cylinders of which are mounted on the frame in the manner shown in FIG.
  • the pressure medium-piston-cylinder units 10 are controlled such that the swivel arms 5.5 'with their gripper pairs 6.6' take over the bags 11 from the transfer conveyor 4 below the filler neck 12, keep them floating in the filling station until they are filled and then place the filled bags on the conveyor belt 14 provided with the support cams 13 by pivoting in the direction of arrow B.
  • the conveyor belt 14 is simultaneously advanced in such a way by a drive, not shown, that the welding jaws 15, 16, which interact in the manner of pliers, can close the flattened opening edge of each bag 11 by means of a transverse weld seam.
  • the grippers 6, 6' of the pair of grippers can move towards and away from each other, the link 18, 19, 18 ', 19' the gripper hold substantially parallel to itself during pivoting.
  • the holding pieces 17, 17 'of the grippers are provided with opposing finger-like jaws 24, 24'.
  • the pivotable counter jaws are also designed finger-like and attached to angle levers 25 which are articulated in the region of their bends 26 in the manner shown in FIG. 2 with the holding pieces 17, 17 '.
  • the piston rods of pressure-piston-cylinder units 28 are articulated in the manner shown in FIG. 2, the cylinders of which are fastened with their upper ends to the holding pieces 17, 17 'via corresponding holding pieces.
  • suction cups 29, 29 ' are articulated to their parallel guidance on links 30, 31 and 30', 31 ', the other ends of which are mounted on the frame.
  • the gripping tongs 6, 6 'projecting flags of the opening edges of the bags 33 are then welded together by the welding jaws 15, 16 of the welding device 40.
  • the welding device is pivotally mounted in the frame about an axis arranged transversely to the conveyor belt 14 and can be pivoted up by the pressure medium-piston-cylinder unit 41, so that the filled and closed bags after release from the welding jaws 15, 16 are freely accessible by the conveyor belt 14 the welding device 40 can be conveyed through.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Basic Packing Technique (AREA)
  • Package Closures (AREA)
EP88106847A 1987-05-11 1988-04-28 Dispositif pour remplir et fermer des sacs ouverts d'un côté Expired - Lifetime EP0290879B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3715684 1987-05-11
DE3715684 1987-05-11

Publications (3)

Publication Number Publication Date
EP0290879A2 true EP0290879A2 (fr) 1988-11-17
EP0290879A3 EP0290879A3 (en) 1989-08-02
EP0290879B1 EP0290879B1 (fr) 1992-11-11

Family

ID=6327278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106847A Expired - Lifetime EP0290879B1 (fr) 1987-05-11 1988-04-28 Dispositif pour remplir et fermer des sacs ouverts d'un côté

Country Status (5)

Country Link
US (1) US4873815A (fr)
EP (1) EP0290879B1 (fr)
JP (1) JP2571603B2 (fr)
DE (1) DE3875795D1 (fr)
ES (1) ES2035883T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559952A1 (fr) * 1992-03-13 1993-09-15 CHRONOS RICHARDSON GmbH Dispositif de transfert pour saisir et déposer un sac rempli et pour le transférer dans un dispositif de fermeture
EP0562274A1 (fr) * 1992-03-23 1993-09-29 WindmÀ¶ller & Hölscher Dispositif pour remplir des sacs ouverts d'un côté
US6082077A (en) * 1997-04-30 2000-07-04 Iwk Verpackungstechnik Gmbh Tube filling machine
EP1050458A1 (fr) 1999-05-04 2000-11-08 WindmÀ¶ller & Hölscher Dispositif pour remplir et fermer des sacs
DE19933486A1 (de) * 1999-05-04 2000-11-16 Windmoeller & Hoelscher Vorrichtung zum Befüllen und Verschließen von Säcken

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5463845A (en) * 1993-12-10 1995-11-07 General Mills, Inc. Apparatus for folding, filling, and sealing microwave popcorn bags
US5480372A (en) * 1993-12-10 1996-01-02 General Mills, Inc. Apparatus for folding and loading microwave popcorn bags into a fixture
US5507132A (en) * 1993-12-10 1996-04-16 General Mills, Inc. Apparatus for opening microwave popcorn bags
US5463848A (en) * 1993-12-10 1995-11-07 General Mills, Inc. Apparatus for folding and ejecting microwave popcorn bags from a fixture
JP3713108B2 (ja) * 1996-08-14 2005-11-02 富士写真フイルム株式会社 ピロータイプ包装装置
JP3827777B2 (ja) * 1996-09-17 2006-09-27 四国化工機株式会社 包装容器成形フラップ
DE19708596C1 (de) * 1997-02-03 1998-06-10 Windmoeller & Hoelscher Verfahren und Vorrichtung zum Herstellen, Befüllen und Verschließen von Säcken
JPH10217363A (ja) * 1997-02-03 1998-08-18 Windmoeller & Hoelscher 袋を製造し、充填し、閉じる方法および装置
SE509483C2 (sv) * 1997-06-04 1999-02-01 Nordisk Plaatindustri Benetec Metod och anordning för hanterande av påsar vid automatiserad förpackning av burklock
NZ329864A (en) * 1998-02-27 1998-09-24 Equipment Technology Ltd Packaging apparatus with bag fitted over mouth of station where product is ejected horizontally into bag
DE19920478C2 (de) * 1999-05-04 2001-05-03 Windmoeller & Hoelscher Vorrichtung zum Herstellen und vorzugsweise auch zum Befüllen und Verschließen von Säcken aus thermoplastischem Kunststoff
US20040261900A1 (en) * 1999-11-18 2004-12-30 Ensor Mark E. Apparatus for bagging particulate matter with sewing machine
US6604344B2 (en) * 2001-11-30 2003-08-12 Harry Bussey, Jr. Bagging machine
DE10306615B4 (de) * 2003-02-14 2008-06-12 Windmöller & Hölscher Kg Verfahren zur Herstellung von Säcken
DE102004034489A1 (de) * 2004-07-16 2006-04-20 Windmöller & Hölscher Kg Verfahren und Vorrichtung zur Herstellung und Befüllung von Säcken
ES2301347B1 (es) * 2006-03-27 2009-05-01 Payper, S.A. Maquina automatica de ensacado.
DE102006022709A1 (de) * 2006-05-12 2007-11-15 Windmöller & Hölscher Kg Form-, Fill-, Sealmaschine sowie Verfahren zum Herstellen, Befüllen und Schließen von Säcken
US10154841B2 (en) * 2015-06-18 2018-12-18 Ethicon Llc Surgical stapling instruments with lockout arrangements for preventing firing system actuation when a cartridge is spent or missing
ITUB20154145A1 (it) * 2015-10-02 2017-04-02 Martini Srl Macchina confezionatrice
DE102017109495A1 (de) * 2017-05-03 2018-11-08 Haver & Boecker Ohg Vorrichtung und Verfahren zum Abfüllen von Schüttgütern in Offensäcke
DE102018206356A1 (de) * 2018-02-19 2019-10-17 Windmöller & Hölscher Kg Fülleinrichtung und Verfahren zum Befüllen von Säcken mit jeweils einem unverschlossenen oberen Ende
DE102018110637A1 (de) * 2018-05-03 2019-11-07 Haver & Boecker Ohg Vorrichtung und Verfahren zum Abfüllen von Schüttgütern in Offensäcke
JP7448141B2 (ja) * 2020-03-30 2024-03-12 ゼネラルパッカー株式会社 底受け装置を備えた包装機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416567A1 (de) * 1984-05-04 1985-12-05 Rovema Verpackungsmaschinen GmbH, 6301 Fernwald Maschine zum fuellen und verschliessen von saecken

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411296A (en) * 1980-06-03 1983-10-25 W. G. Durant Corporation Valve bag placer
DE3118866C2 (de) * 1981-05-13 1984-04-12 Haver & Boecker, 4740 Oelde "Maschine zum Füllen und Verschließen von Säcken aus Kunststoff, vorzugsweise von Seitenfaltensäcken oder Flachsäcken"
US4423583A (en) * 1981-07-23 1984-01-03 Rexham Corporation Packaging machine with pouch gripping clamps
US4612965A (en) * 1984-08-30 1986-09-23 Mcgregor Harold R Automatic bag hanging device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416567A1 (de) * 1984-05-04 1985-12-05 Rovema Verpackungsmaschinen GmbH, 6301 Fernwald Maschine zum fuellen und verschliessen von saecken

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0559952A1 (fr) * 1992-03-13 1993-09-15 CHRONOS RICHARDSON GmbH Dispositif de transfert pour saisir et déposer un sac rempli et pour le transférer dans un dispositif de fermeture
EP0562274A1 (fr) * 1992-03-23 1993-09-29 WindmÀ¶ller & Hölscher Dispositif pour remplir des sacs ouverts d'un côté
US5375396A (en) * 1992-03-23 1994-12-27 Windmoeller & Hoelscher Apparatus for filling unilaterally open sacks
US6082077A (en) * 1997-04-30 2000-07-04 Iwk Verpackungstechnik Gmbh Tube filling machine
EP1050458A1 (fr) 1999-05-04 2000-11-08 WindmÀ¶ller & Hölscher Dispositif pour remplir et fermer des sacs
DE19933486A1 (de) * 1999-05-04 2000-11-16 Windmoeller & Hoelscher Vorrichtung zum Befüllen und Verschließen von Säcken
DE19933486C2 (de) * 1999-05-04 2001-06-13 Windmoeller & Hoelscher Vorrichtung zum Befüllen und Verschließen von Säcken
US6474050B1 (en) 1999-05-04 2002-11-05 Windmöller & Hölscher Device for filling and sealing sacks

Also Published As

Publication number Publication date
JPS63294322A (ja) 1988-12-01
ES2035883T3 (es) 1993-05-01
US4873815A (en) 1989-10-17
EP0290879B1 (fr) 1992-11-11
DE3875795D1 (de) 1992-12-17
EP0290879A3 (en) 1989-08-02
JP2571603B2 (ja) 1997-01-16

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