EP0751067A1 - Automatische Ventilsack-Füllmaschine - Google Patents

Automatische Ventilsack-Füllmaschine Download PDF

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Publication number
EP0751067A1
EP0751067A1 EP96110585A EP96110585A EP0751067A1 EP 0751067 A1 EP0751067 A1 EP 0751067A1 EP 96110585 A EP96110585 A EP 96110585A EP 96110585 A EP96110585 A EP 96110585A EP 0751067 A1 EP0751067 A1 EP 0751067A1
Authority
EP
European Patent Office
Prior art keywords
bags
bag
machine according
filling machine
valve
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
EP96110585A
Other languages
English (en)
French (fr)
Other versions
EP0751067B1 (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 a machine for automatically filling valve bags.
  • a machine for automatically filling valve bags In particular it relates to an apparatus for automatically filling plastic bags with liquids.
  • EP-A-104406 describes a plastic bag fitted with a valve or an equivalent system for filling bulk goods.
  • Patent US-A-3691715 to St. Regis Paper Company discloses an automatic valve bag filling machine; however, various technical details (discussed below) show that this document contains only paper bags, as confirmed by the name of the holder.
  • Patent application EP-A-97415 discloses another automatic valve bag filling machine; although the use of plastic bags is provided, the device proposed by this document is not well suited to it (as discussed below).
  • An object of the invention is therefore to provide a more reliable machine than 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 the full bags for packaging operations.
  • the automatic filling machine of the present invention meets these and other goals.
  • the plastic bags 1 are located, folded with the valve 20 upwards, on support means 2 in the storage place and they are pulled down by several removal means 4, thus passing between the support means 2; one or more removal means 4 'are firmly attached to a support 5 yes can move vertically, and are located in the middle of the support means 2, while other removal means 4''are attached to the support 5 movably, on either side 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 one by one down by the means 4.
  • These removal means 4 are preferably suction cups, in particular conical cups in which a vacuum 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 preferably suction cups raise 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 that pushes on the valve 20 at the appropriate place to keep it open.
  • 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 taking up the full bags 1 again consist of plates (22, 23, 24, 25) which define a parallelepiped volume comprising the openings (permanent or temporary) suitable for letting the bags pass 1 and the filling pipe 21.
  • the means (22, 23, 24, 25) move together upwards, laterally and by pivoting (relative to the pipe 21) in order to detach the bag 1 'from the filling pipe 21 and resting it on the lower plate 25 and on the plate 22, parallel to the main faces of the bag 1 '.
  • Each bag is thus taken up in a constant orientation, which is essential for the rest of the packaging operations (for example for placing on pallets).
  • the invention thus has an additional advantage compared to the machines described in US-A-3691715 and EP-A-97415, in which the mechanism (respectively unnumbered and 108) for removing full bags from the filling pipe does not allow control their orientation.
  • the lower plate 25 is movably attached and pivots in order to allow the full bag 1 'to slide, 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 (for example for placing on pallets).
  • the bags 1 are stacked folded in a storage place, on support means 2, preferably two rollers of cylindrical shape yes can pivot freely around their axis, and they are preferably guided by means guide 3, for example bars. According to the embodiment described in fig.1, the bags 1 are arranged with the valve 20 upwards.
  • the removal means are described in FIGS. 1 and 2. Part of the removal means 4 'are located in the middle of the support means 2, while the other removal means 4' 'are on either side. 'other.
  • 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 '' pivoted around the hinge points 7.
  • the distance between the support means 2 and the distance between the opposite removal means 4 '' is easily adapted to the rigidity of the bags 1.
  • the support 5 and the removal means 4 descend with the bag 1 'until the bag 1' rests on a plate 8, also called alignment plate.
  • the alignment plate 8 is provided with an opening 9 adapted for the passage of the support 5 and the removal means 4.
  • the bag 1 ′ is therefore always disposed with the valve 20 upwards.
  • the alignment plate 8 is also provided with openings 10 in which the alignment means 11, preferably of cylindrical shape, can move laterally in order to place the bag 1 'in a defined precise and reproducible position.
  • the alignment means 11 located on one side of the bag 1 ' can remain fixed while the others can move to align the bag 1'.
  • the alignment plate 8, yes carries the bag 1 ′ in a precise position, then moves horizontally until the bottom of the bag 1 ′ (on 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 they then rise at least until the bag 1' hangs as described in fig.4b and 4c, with the handle 12 down. It is advantageous to provide that the removal means 4 come back up without waiting to take the next bag 1 '' in the storage place, to avoid dead time.
  • the bag 1 ' is then held firmly by two handles 14, while the valve opening means 15 open the valve 20 and keep it open.
  • the valve opening means 15 consist 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 each other, while the bag 1 'is hung from the removal means 13 and 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 the lateral displacement of the bag 1 ', at least until the bag 1' can hang alone on the pipe filling 21, from which the filling of the bag 1 'can begin and 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 the next bag 1 '' on the alignment plate 8, to avoid downtime.
  • Automatic means are preferably provided in order to prevent liquid from escaping from the filling pipe 21 in the event that a bag 1 ′ is not or not properly pressed onto the filling pipe 21.
  • this can be done by means of a photocell attached to a suitable 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 volumetric measurement of the quantity of liquid, possibly corrected by taking into account the weight of the preceding bags.
  • the plate 24 opens by pivoting around the hinge 34 in order to let the bag 1 'empty.
  • the parallelepiped (22, 23, 24, 25) is moved (relative to the pipe 21), first upwards until the bag 1' rests on the plate 25, then simultaneously (i) laterally in order to 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 the bag 1 'slide full, with the possible help of an upper layer made of a fluoropolymer (for example polytetrafluoroethylene) on the 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 the pipes 36 and 37.
  • a fluoropolymer for example 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 take it to a packaging installation and / or a packaging installation. 'expedition (not shown).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Basic Packing Technique (AREA)
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 true EP0751067A1 (de) 1997-01-02
EP0751067B1 EP0751067B1 (de) 1998-11-11

Family

ID=8219403

Family Applications (1)

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

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246264A1 (de) * 2009-04-29 2010-11-03 Claudius Peters Technologies GmbH Aufsteckvorrichtung und Aufsteckverfahren für Ventilsäcke

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010051721A1 (de) * 2010-11-20 2012-05-24 Haver & Boecker Ohg Vorrichtung und Verfahren zum Aufstecken von Säcken

Citations (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
EP0097415A2 (de) * 1982-06-17 1984-01-04 MacFarlane, John L. Automatische Aufsteckvorrichtung für Ventilsäcke

Patent Citations (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
EP0097415A2 (de) * 1982-06-17 1984-01-04 MacFarlane, John L. Automatische Aufsteckvorrichtung für Ventilsäcke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246264A1 (de) * 2009-04-29 2010-11-03 Claudius Peters Technologies GmbH Aufsteckvorrichtung und Aufsteckverfahren für Ventilsäcke

Also Published As

Publication number Publication date
DE69600953D1 (de) 1998-12-17
DK0751067T3 (da) 1999-07-26
EP0751067B1 (de) 1998-11-11
DE69600953T2 (de) 1999-05-12

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