EP0751067B1 - Automatische Ventilsack-Füllmaschine - Google Patents

Automatische Ventilsack-Füllmaschine Download PDF

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Publication number
EP0751067B1
EP0751067B1 EP19960110585 EP96110585A EP0751067B1 EP 0751067 B1 EP0751067 B1 EP 0751067B1 EP 19960110585 EP19960110585 EP 19960110585 EP 96110585 A EP96110585 A EP 96110585A EP 0751067 B1 EP0751067 B1 EP 0751067B1
Authority
EP
European Patent Office
Prior art keywords
bags
bag
machine according
filling machine
automatic 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.)
Expired - Lifetime
Application number
EP19960110585
Other languages
English (en)
French (fr)
Other versions
EP0751067A1 (de
Inventor
Hans Herman Marinus Coenraad Weck
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.)
Sigma Coatings BV
Original Assignee
Sigma Coatings BV
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 Sigma Coatings BV filed Critical Sigma Coatings BV
Priority to EP19960110585 priority Critical patent/EP0751067B1/de
Publication of EP0751067A1 publication Critical patent/EP0751067A1/de
Application granted granted Critical
Publication of EP0751067B1 publication Critical patent/EP0751067B1/de
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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/17—Methods of, or means for, filling the material into the containers or receptacles for filling valve bags

Definitions

  • the invention relates to an automatic bag filling machine for valve.
  • it relates to an apparatus for filling plastic bags automatically with liquids.
  • EP-A-104406 describes a plastic bag provided a valve or equivalent system for filling bulk goods.
  • Patent application EP-A-97415 discloses another automatic machine for filling with valve bags which includes the technical elements of the preamble of the claim 1; although the use of plastic bags is planned, the device proposed by this document is not well suited to it (thus as discussed below).
  • An object of the invention is therefore to provide a machine more reliable than the known machines.
  • Another object of the invention is therefore to provide a simpler machine than known machines.
  • Yet another object of the invention is therefore to provide a machine which controls the orientation of full bags for packaging operations.
  • the automatic filling machine of the present invention responds to these goals and others.
  • the machine according to the present invention for the automatic filling of plastic valve bags is defined by the combination of features set out in claim 1.
  • the plastic bags 1 are found, folded with the valve 20 upwards, on support means 2 instead of storage and they are pulled down by several means of removal 4, thus passing between the support means 2; one or more means 4 'are firmly attached to a support 5 which can move vertically, and are located in the middle of the support means 2, while that other removal means 4 '' are attached to the support 5 so mobile, on both sides on its sides, so as to follow the deformation of the bags 1 (which is an essential element of the invention) when they are pulled down one by one by means 4.
  • These means removal 4 are preferably suction cups, in particular conical cups in which a depression is produced to create the suction cup effect.
  • the bags 1 are deposited one by one on an alignment plate 8 with the valve 20 upwards.
  • the alignment plate 8 is provided with alignment means 11 in order to place the bag 1 'in a precise position.
  • removal means 13 (of preferably suction cups) lift the bag 1 'from the bottom, on the side of the valve, until it hangs and opening means 15 open the valve 20 (preferably while handles 14 hold the bag 1 ').
  • the opening means 15 preferably consist of a part which pushes the valve 20 at the appropriate place to keep it open.
  • the 1 'bag suspended from the removal means 13 briefly apply (from preferably a sharp blow) of force by means of pressure 16 (preferably intermittent blowing means) in one direction such that each bag loses the memory of its folded shape.
  • This operation greatly contributes to the fact that each bag 1 'is presented reliably in a reproducible position; we proceed from preferably before the opening means 15 push on the valve 20.
  • the means 21 for filling the bags 1 consist of a filling pipe 21 introduced into the valve 20; once this pipe 21 has been introduced into the valve 20, the removal means 13 and the handles 14 can be detached , leaving the bag 1 'hanging from the pipe 21. It is however preferable to continue to hold the bag 1' on the pipe 21 for a short time (for example 1 second) at the start of the filling process to prevent the bag 1 'from coming off the pipe 21.
  • the machine according to the invention also includes automatic means to prevent liquid does not come out through the filling pipe 21 in case the filling pipe 21 is not or is not properly inserted into the valve of the bag 1 '.
  • the means for resuming at again the full bags 1 consist of plates (22, 23, 24, 25) which define a parallelepiped volume comprising the openings (permanent or temporary) suitable for letting bags pass 1 and the filling pipe 21.
  • the means (22, 23, 24, 25) move together upwards, laterally and by pivoting (for relative to the pipe 21) in order to detach the bag 1 'from the filling pipe 21 and place it on the bottom plate 25 and on the plate 22, parallel to the main faces of the bag 1 '.
  • Each bag is like this taken up in a constant orientation, which is essential for the continuation packaging operations (for example for placing on pallets).
  • the bottom plate 25 is movably attached and swivels to let the full bag slide 1 ', preferably with the assistance of an upper layer made of fluoropolymer on the plate 25 and / or 22 and / or an air cushion between the bag 1 'and the plate 25 and / or 22.
  • Each full bag can thus be taken up in a constant orientation by an automatic packaging system (e.g. for placing on pallets).
  • the bags 1 are stacked folded in a storage place, on support means 2, preferably two cylindrical rollers which can freely rotate around their axis, and they are of preferably guided by guide means 3, for example bars. According to the embodiment described in fig.1, the bags 1 are arranged with valve 20 upwards.
  • the removal means are described in fig.1 and 2. Part of the removal means 4 ′ are located in the middle of the support means 2, while the other 4 '' removal means are on both sides and else.
  • the removal means 4 ' are attached to a support 5 which can move vertically; the 4 '' removal means are attached to the support 5 movably by the hinge points 7 by means of mobile supports 6, which allows them to follow the deformation of the bag 1 when pulled down.
  • the removal means 4 are preferably suction cups.
  • Fig.2a shows the support 5 and the removal means 4 for hanging a bag 1.
  • Fig.2a shows the support 5 and the removal means 4 after the attachment of the bag 1 ′, during the descent of the support 5.
  • the mobile supports 6 of the removal means 4' ' have pivoted around the hinge points 7.
  • the distance between the support means 2 and the distance between the means removal 4 '' opposite are easily adapted to the stiffness of the bags 1.
  • the support 5 and the removal means 4 descend with bag 1 'until bag 1' rests on a plate 8, also called the alignment plate.
  • the alignment plate 8 is provided with an opening 9 adapted to the passage of the support 5 and the means removal 4.
  • the bag 1 ′ is therefore always disposed with the valve 20 to the top.
  • the alignment plate 8 is also provided with openings 10 in which the alignment means 11, preferably shaped cylindrical, can move laterally to arrange the bag 1 'in a precise and reproducible defined position.
  • the alignment means 11 located on one side of the bag 1 ′ can remain stationary while the others can move to align the bag 1 '.
  • the alignment plate 8 which carries the bag 1 ′ in a precise position, then moves horizontally until the bottom of the bag 1 '(of the side of the valve) is under the removal means 13, which are preferably suction cups.
  • the removal means 13 descend and take the bag 1 ', and then they go up at least until the bag 1 'hanger as described in fig.4b and 4c, with the handle 12 towards the low. It is advantageous to provide that the removal means 4 go back up without waiting take the next bag 1 '' in the place of storage, to avoid downtime.
  • the bag 1 ' is then held firmly by two handles 14, while the valve opening means 15 open the valve 20 and the keep it open.
  • the means 15 for opening the valve are made of a part (here shown in an elongated cylindrical shape) which pushes on the valve 20 in order to keep it open.
  • the handles 14 are then separated from one another, while the bag 1 'is hung from the removal means 13 and that the opening means 15 keep the valve 20 open.
  • a filling pipe 21 is then introduced into the opening of the valve 20 (fig.5), preferably by lateral displacement of the bag 1 ', at less until the bag 1 'can hang alone on the hose filling 21, from which filling of the bag 1 'can start then the handles 14 and the removal means 13 can release the bag 1 '. It is advantageous to provide that the removal means 13 take without waiting for the next bag 1 '' on the alignment plate 8, to avoid downtime.
  • Automatic means are preferably provided in order to avoid that liquid does not leave through the filling pipe 21 in case a bag 1 'does not either not or not fully inserted on the filling pipe 21.
  • this can be done using a photocell attached to an appropriate place to detect a color difference between the bag 1 'and the filling pipe 21.
  • the filling of the bag 1 ' is usually determined by the measurement volumetric of the quantity of liquid, possibly corrected by the taking into account the weight of the previous bags.
  • the plate 24 opens in pivoting around the hinge 34 in order to let the empty bag 1 pass.
  • the parallelepiped 22, 23, 24, 25
  • the parallelepiped (22, 23, 24, 25) is moved (relative to pipe 21), first upwards until the bag 1 ′ rests on plate 25, then simultaneously (i) laterally so detach the bag 1 'from the filling pipe 21 and (ii) by pivoting so that the bag 1 'rests on the plates 25 and 22, as described in fig.7.
  • the plate 25 then pivots around the hinge 35 and lets slide the bag 1 'full, with the possible help of a top layer made of a fluoropolymer (e.g. polytetrafluoroethylene) on plate 25 and / or 22, and / or an air cushion created between the plate 25 and / or 22 and the bag 1 'by blowing air respectively through pipes 36 and 37.
  • a fluoropolymer e.g. polytetrafluoroethylene
  • the full bag 1 'slides directly out of the parallelepiped (22, 23, 24, 25) and is taken up by the means 38 (for example a conveyor belt) which prevail at a packaging installation and / or an installation shipping (not shown).
  • the means 38 for example a conveyor belt

Landscapes

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

Claims (18)

  1. Automatische Füllmaschine für Säcke aus Kunststoffmaterial 1, versehen mit einem Ventil 20, im wesentlichen umfassend:
    Stützmittel 2, auf denen die Säcke 1 am Lagerungsort ruhen,
    Abfuhrmittel 4 zum Ziehen der Säcke 1 einzeln nach unten zwischen die Trägermittel 2,
    Öffnungsmittel 15, um das Ventil 20 zu öffnen und es geöffnet zu halten,
    Füllmittel 21 zum Füllen der Säcke 1 durch das Ventil 20,
    Mittel zum Befördern der Säcke 1 zwischen den aufeinanderfolgenden Manipulationen,
    dadurch gekennzeichnet, daß
    die Abfuhrmittel 4 ein oder mehrere Mittel 4' enthalten, die fest an einen Träger 5 angefügt sind, der sich vertikal bewegen kann, und in der Mitte der Trägermittel 2 plaziert sind, und weitere Abfuhrmittel 4'', die auf beiden Seiten des Trägers 5 in einer beweglichen Art an diesem angebracht sind, so daß sie der Deformation der Säcke 1 folgen, wenn sie einer nach dem anderen nach unten durch die Abfuhrmittel 4 gezogen werden,
    und dadurch, daß die Maschine umfaßt:
    Mittel 8 und 11 zum Ausrichten der Säcke 1 in einer genauen Position,
    Abfuhrmittel 13 zum Ergreifen der Säcke 1 einer nach dem anderen über den Boden der Seite des Ventils,
    Druckmittel 16 um zu veranlassen, daß die Säcke 1 ihre Erinnerung an ihre gefaltete Form verlieren, und
    Mittel (22, 23, 24, 25), die ein parallelepipedisches Volumen definieren, das permanente oder zeitweilige Öffnungen umfaßt, die angemmessen sind, die vollen Säcke wieder aufzunehmen und sie bezüglich der Verpackungsvorgänge in einer konstanten Orientierung zu liefern.
  2. Automatische Füllmaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Säcke 1 aus Polyethylen sind.
  3. Automatische Füllmaschine nach Anspruch 2, dadurch gekennzeichnet, daß die Säcke 1 aus Niedrigdichtepolyethylen sind.
  4. Automatische Füllmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Abfuhrmittel 4 Saugnäpfe sind.
  5. Automatische Füllmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Säcke 1 einer nach dem anderen auf einer Ausrichtungsplatte 8 mit dem Ventil 20 nach oben abgesetzt sind.
  6. Automatische Füllmaschine nach Anspruch 5, dadurch gekennzeichnet, daß die Ausrichtungsplatte 8 mit Ausrichtungsmitteln 11 versehen ist, um den Sack 1' in einer genauen Position zu plazieren.
  7. Automatische Füllmaschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß man bei mittels der Abfuhrmittel 13 aufgehängtem Sack 1' Kraft mittels der Druckmittel 16 in einer solchen Richtung anwendet, daß jeder Sack 1' die Erinnerung an seine Form verliert.
  8. Automatische Füllmaschine nach Anspruch 7, dadurch gekennzeichnet, daß die Druckmittel 16 aus einer Vorrichtung zum intermiitierenden Aufblasen bestehen.
  9. Automatische Füllmaschine nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Griffe 14 den Sack 1' an den Abfuhrmitteln 13 aufgehängt halten, während die Öffnungsmittel 15 das Ventil 20 öffnen.
  10. Automatische Füllmaschine nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Abfuhrmittel 13 Saugnäpfe sind.
  11. Automatische Füllmaschine nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Öffnungsmittel 15 aus einem Stück gebildet sind, das auf das Ventil 20 stößt, um es geöffnet zu halten.
  12. Automatische Füllmaschine nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Füllmittel 21 zum Füllen der Säcke 1 aus einem in das Ventil 20 eingeführten Einfüllschlauch 21 bestehen.
  13. Automatische Füllmaschine nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß sie auch automatische Mittel zum Verhindern enthält, daß Flüssigkeit nicht durch den Einfüllschlauch 21 für den Fall austritt, wo der Einfüllschlauch 21 nicht oder nicht gut in das Ventil des Sackes 1' eingeführt ist.
  14. Automatische Füllmaschine nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Mittel (22, 23, 24, 25) zum Wiederaufnehmen der vollen Säcke 1 aus Platten bestehen.
  15. Automatische Füllmaschine nach Anspruch 14, dadurch gekennzeichnet, daß die Mittel (22, 23, 24, 25) zum Wiederaufnehmen der Säcke 1 sich nach oben, seitlich und drehbar verschieben, um den Sack 1' von dem Füllschlauch 21 zu lösen und ihn auf der unteren Platte 25 und auf der Platte 22 parallel zu den Hauptseiten des Sackes 1' absetzen zu lassen.
  16. Automatische Füllmaschine nach Anspruch 15, dadurch gekennzeichnet, daß die untere Platte 25 auf bewegliche und drehbare Art angebracht ist, um den vollen Sack 1' gleiten zu lassen.
  17. Automatische Füllmaschine nach Anspruch 16, dadurch gekenzeichnet, daß das Gleiten des Sackes 1' von einer oberen Schicht aus fluoriertem Polymeren auf der Platte 25 und/oder 22 unterstützt ist.
  18. Automatische Füllmaschine nach Anspruch 16, dadurch gekennzeichnet, daß das Gleiten des Sackes 1' von einem Luftkissen zwischen dem Sack 1' und der Platte 25 und/oder 22 unterstützt ist.
EP19960110585 1995-06-30 1996-07-01 Automatische Ventilsack-Füllmaschine Expired - Lifetime EP0751067B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19960110585 EP0751067B1 (de) 1995-06-30 1996-07-01 Automatische Ventilsack-Füllmaschine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP95110221 1995-06-30
EP95110221 1995-06-30
EP19960110585 EP0751067B1 (de) 1995-06-30 1996-07-01 Automatische Ventilsack-Füllmaschine

Publications (2)

Publication Number Publication Date
EP0751067A1 EP0751067A1 (de) 1997-01-02
EP0751067B1 true EP0751067B1 (de) 1998-11-11

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Application Number Title Priority Date Filing Date
EP19960110585 Expired - Lifetime EP0751067B1 (de) 1995-06-30 1996-07-01 Automatische Ventilsack-Füllmaschine

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EP (1) EP0751067B1 (de)
DE (1) DE69600953T2 (de)
DK (1) DK0751067T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE535451T1 (de) * 2009-04-29 2011-12-15 Peters Claudius Projects Gmbh Aufsteckvorrichtung und aufsteckverfahren für ventilsäcke
DE102010051721A1 (de) * 2010-11-20 2012-05-24 Haver & Boecker Ohg Vorrichtung und Verfahren zum Aufstecken von Säcken

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691715A (en) * 1970-09-28 1972-09-19 St Regis Paper Co Valve bag applicator machine
US4442874A (en) * 1982-06-17 1984-04-17 John L. Macfarlane Automatic valve bag placer

Also Published As

Publication number Publication date
EP0751067A1 (de) 1997-01-02
DE69600953D1 (de) 1998-12-17
DK0751067T3 (da) 1999-07-26
DE69600953T2 (de) 1999-05-12

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