WO2005085069A1 - Formeuse-remplisseuse-scelleuse de sachets convertible commandee par ordinateur - Google Patents

Formeuse-remplisseuse-scelleuse de sachets convertible commandee par ordinateur Download PDF

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Publication number
WO2005085069A1
WO2005085069A1 PCT/CA2005/000327 CA2005000327W WO2005085069A1 WO 2005085069 A1 WO2005085069 A1 WO 2005085069A1 CA 2005000327 W CA2005000327 W CA 2005000327W WO 2005085069 A1 WO2005085069 A1 WO 2005085069A1
Authority
WO
WIPO (PCT)
Prior art keywords
pouch
machine
sealing
film
pouches
Prior art date
Application number
PCT/CA2005/000327
Other languages
English (en)
Inventor
Roland Basque
Original Assignee
Glopak Inc.
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 Glopak Inc. filed Critical Glopak Inc.
Publication of WO2005085069A1 publication Critical patent/WO2005085069A1/fr

Links

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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/28—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/06—Packaging groups of articles, the groups being treated as single articles
    • B65B5/061—Filled bags
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/06—Packaging groups of articles, the groups being treated as single articles
    • B65B5/067—Packaging groups of articles, the groups being treated as single articles in bags
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • 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
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • 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
    • 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
    • B65B2220/00—Specific aspects of the packaging operation
    • B65B2220/16—Packaging contents into primary and secondary packaging

Definitions

  • the present invention relates to a convertible computer controlled FFS machine and method of operation capable of forming from a single machine pouches of different sizes and contents and particularly, but not exclusively to a vertical form fill and seal (VFFS) machine capable of operating at high speeds .
  • VFFS vertical form fill and seal
  • a further feature of the present invention is to provide a convertible computer controlled, form, fill and seal FFS bagging machine capable of producing, from a single machine, pouches of different size and content volumes and wherein the machine is fully automatically controlled by a computer.
  • Another feature of the present invention is to provide a method of forming, filling and sealing pouches of a desired selectable programmed size and volume from at least two or more program sizes from a single forming, filling and sealing machine.
  • Another feature of the present invention is to provide a FFS bagging machine with increased output capacity and speed of operation.
  • the present invention provides a convertible computer controlled form, fill and seal (FFS) bagging machine.
  • the bagging machine comprises film draw means to draw a folded film sheet about a pouch former with the film sheet having overlapped along longitudinal free edge portions.
  • First sealing means is provided to heat fuse the • overlapped edge portions together to form a hollow film tube.
  • Temperature control means is provided to control the temperature of the sealing means.
  • Transverse sealing means is provided to form a transverse seal across the follow film tube and is synchronized with the first sealing means.
  • Content feed means is provided to supply a predetermined content in the hollow tube at a pouch forming station thereof.
  • a computer control means is provided to control the film draw means, the sealing time of the first sealing means, the temperature control means, the sealing time of the transverse sealing means, and the rate of feed of the content feed means whereby to produce pouches of a programmed size filled with a programmed content volume.
  • the machine has the capability of producing pouches of different sizes with different content volumes by computer inputting means.
  • a method of forming, filling and sealing pouches of a desired selectable programmed size and content volume from two or more programmed sizes and from a single pouch forming, filling and sealing machine. The method comprises the steps of selecting from a computer controlled panel desired parameters of a pouch to be formed and filled with a content.
  • a folded film is automatically drawn about a pouch former with the film having overlapped free edge portions .
  • the overlapped edge portions are fused together by a heat sealing means to form a vertical seal to produce a hollow film tube.
  • the temperature of the sealing means is controlled by the computer.
  • a transverse seal is formed by sealing jaws across the hollow film tube to form a transverse seam across the hollow film tube.
  • a content is fed into the hollow film tube at a pouch forming station thereof.
  • a computer controls the drawing speed of the folded film, the temperature and sealing time of the sealing means, the sealing time of the sealing jaws, and the feed rate of the content whereby to produce pouches of a predetermined size filled with a predetermined programmed content volume
  • Figure. 1 is a schematic view of a dual head vertical form, fill and seal (VFFS) bagging machine of the present invention incorporated into a bagging system
  • Figure 2 is a block diagram showing the automized computer controlled operation of the machine whereby to produce pouches of a predetermined programmed size filled with a predetermined programmed content volume
  • Figure 3 is a schematic enlarged view of the hollow film tube drawn over the vertical sealing bar area of the pouch former
  • Figure 4 is a view similar to Figure 3 but showing a vertical seam being formed by striking the overlapped film portions with three successive strokes of the vertical sealing bar
  • Figure 5 is a simplified perspective view of the film supply mechanism and control.
  • VFFS vertical form, fill and seal
  • Such machines are well known in the art and as above described they are equipped to produce a pouch of a single predetermined size having a predetermined liquid content.
  • Each of these heads 11 and 11' are provided with film drives 12 whereby to pull an overlapped film sheet 13 over a pouch former 14 which has a flat section 14 ' to. form the back support of a vertical sealing bar 15 under which the overlapped longitudinal free edge portions 16 are disposed, as more clearly illustrated in Figure 3.
  • the pouch former 14 forms a hollow film tube 17.
  • Such pouch formers are well known in the art .
  • the vertical sealing bar 15 ' has a resistive heating element 18 and the temperature of the resistive element and the . vertical sealing jaw. is controlled by a temperature control 19 associated with the vertical sealing bar 15 which is actuated by a piston 20 or other suitable actuation means to position the vertical sealing bar against the overlapped film and to retract it therefrom.
  • the application time of the piston is also controlled by the computer 21.
  • each of the heads 11 and 11' are fed a liquid, such as milk, water or other beverage located in a supply container 24 and 21, respectively.
  • the level of liquid within the containers is maintained constant by valve s24" and 21" to maintain a constant static pressure of the liquid fed to the control valves 22 and 22 ' which are controlled by the computer 21 to adjust a constant flow rate of the fluid in the feed pipes 23 and 23 ' .
  • Level sensors 9 and 9' feed control signals to the computer controller 21.
  • the feed pipes 23 and 23' release the liquid 24 into pouches 25 and 25 ' being formed and located above a transverse sealing means, herein a transverse sealing jaw assembly 26 and 26'.
  • the feed of the liquid 24 is continuous.
  • the sealing jaws 26 form a transverse seal for the top end 27 of a formed pouch 25 filled with the liquid 24 therein.
  • the computer controlled means herein the computer 21 controls a motor, not shown, to drive the film drive 12 as schematically illustrated in Figure 2.
  • the computer control 21 also controls the piston 28 which actuates the transverse sealing jaws 26.
  • a temperature control 29 is also controlled by the computer 21 to control the temperature of the transverse sealing jaws 26 as schematically illustrated in Figure 2.
  • the computer 21 by controlling these parameters can produce pouches of predetermined size and filled with a predetermined content volume of the liquid.
  • a predetermined size pouch and content volume can be preselected by touch control buttons 33.
  • the machine will self- adjust itself whereby to form, and fill pouches of different sizes.
  • the pressure of the vertical and transverse sealing bars can be varied depending on the film composition and the size of pouches formed. For example, and with reference to Figure 4, if the vertical sealing bar 15 is three times as long as a pouch being formed each time the -vertical sealing bar is applied against the drawn hollow film tube " 17 the vertical sealing bar will strike the overlapped film portions 16 three times before the film tube is drawn below the vertical sealing bar.
  • the temperature of the vertical sealing bar must be controlled whereby when the vertical sealing bar has struck the overlapped film portion 16 at its bottom zone C a perfect vertical seal will be formed. A seal will begin to form in zone A and then progressively in zone B where the seal has struck that zone twice. Therefore, after having been struck three times in zone C a perfect seal is formed.
  • the temperature and pressure of the vertical sealing bar is thus an important feature and it is automatically controlled by the controller of the computer and depending on the size of pouches being formed or the length of hollow film tubing drawn at each sealing stroke of the vertical sealing bar and also the type of film being used.
  • the twin head vertical form, fill and seal machine 10 as shown in Figure 1 is herein shown adapted in a pouch bagging system and wherein the machine 10 feeds filled pouches 25 onto a conveyor 35 through orientation boxes 36 and 36' associated with each of the heads 11 and 11', respectively.
  • the orientation boxes 36 and 36' position the filled pouches 25 with a predetermined orientation onto the conveyor 35.
  • the computer 21 is fed signals relating to the speed of the conveyor 35 and it also knows the drop time of the pouches 25 from their respective heads and this drop time is dependent on the size of the pouches and the liquid content therein. This is all pre-calculated by the computer when the parameters are inputted into the computer. Accordingly, the computer is aware of the spacing between the pouches 25 on the conveyor belt. The computer also adjusts the synchronized interval between the servo-motors
  • Oriented pouches 25 on the conveyor 35 are conveyed to a bagger machine 37 to place a predetermined number of filled pouches into a bag 38 supported under a discharge opening 39 of the bagger machine 37.
  • the bagger machine 37 is also controlled " by the computer as shown in Figure 2. To effect a change of pouch size it is merely necessary to change the format selection on the computer screen 31 and the machine automatically adjusts its equipment to produce the selected format and its content.
  • a counter 40 is positioned at a convenient location along the conveyor 35 to count the filled pouches 25 which are conveyed thereon and it feeds signals to the computer 21, as shown in Figure 2, whereby the computer can control the number of filled pouches being placed in each bag 38 supported under the bagger machine 37.
  • a bag positioner positions another bag under the bagger machine to accept a further predetermined number of filled pouches therein.
  • the signals from the counter 40 are stored in the memory 30 of the computer whereby it can keep record and display the number of pouches produced by each of the twin heads of the VFFS machine 10.
  • the computer can also display the number of pouches left to be produced by the machine and the production time which is left for each of the twin heads.
  • the computer can also control the speed of operation of the twin head VFFS machine.
  • the bagger is also automatically controlled.
  • Figure 5 there is shown the construction of a film dispensing assembly 50 in order to achieve high speeds of operation wherein this machine can dispense filled pouches, above 125 pouches per minute, with the pouches being formed approximately 11 inches long by 6 inches wide.
  • the machine houses two film rolls 52, only one being shown and illustrated herein which feeds a film sheet 51 to each of the formers 11 and 11' .
  • the film roll 52 has a support shaft 53 which is coupled to a drive motor 54 which rotates the film roll 52 in the direction of arrow 55 whereby to dispense film at a predetermined rate.
  • the film sheet 51 is disposed about a stationary guide roll 56 which feeds a film sheet to a displaceable film tensioning means 57 which consists of two or more dancer rolls, herein dancer rolls 58 which are each secured to a displaceable weighted support frame 59.
  • the support frame 59 is held in guided displacement between guide rails 60 or other suitable guide means.
  • the weighted frames and the roller apply a downward force in the direction of arrow 61 whereby to maintain the film sheet 51 taut as it is fed and guided about the formers 11 and 11' .
  • the film drive 12 which pulls the film about the former causes the displaceable weighted frame 59 to move upwardly due to this pulling force and therefore it is important to control the tension in the sheet to prevent the film sheet 51 from stretching changing characteristic of the film which could be detrimental when seals are being formed by the sealing heads. Accordingly, it is important to dispense the film sheet at a rate proportional to the draw speed to maintain a substantially constant tension within the film sheet.
  • the computer and the drive motor 54 control the position of the weighted frame 59 within a predetermined mid-range dependent on the draw speed and rate of feed.
  • a counter- weight mechanism which is simply a counter-weight 64 of known weight secured about a guide pulley 65 and to an attachment 66 secured to the displaceable frame 59 whereby to pull the frame upwardly to thereby maintain the film sheet taught at very high speeds.
  • a single bag forming, filling and sealing machine is a novel feature which achieves the desired features of the invention as herein before mentioned.
  • the feature of selecting from a computer controlled panel desired parameters of a pouch to be formed and filled with a predetermined content volume and from a single machine is an important feature of the present invention. As the machine automatically draws a folded film about a pouch former with the film having overlapped free edge portions along which a vertical sealing bar is applied to heat fuse the film to form a vertical seal in a controlled manner depending on the bag sizes all of which is controlled by a computer to ensure a perfect seal for different size pouches.
  • the temperature of the sealing means as well as the pressure of the vertical sealing bar is controlled by the computer as the same seal may be subjected to two or more heat sealing applications .
  • the computer also controls the transverse sealing jaw assembly 26 to form a transverse seal across the hollow film tube and simultaneously detach the sealed bag from the film tube.
  • a liquid content is continuously fed into the film tube as filled pouches are being formed all of which is controlled by the computer 21.
  • the computer 21 controls the drawing speed ' of the folded film, the temperature and sealing time of the vertical sealing bar 15 and the transverse sealing jaw assembly 26 and the feed rate of the liquid content through the valve 22 whereby to produce pouches of a predetermined programmed size filled with a predetermined program content volume.
  • the computer also selects the sealing temperature of the vertical sealing bar and the selected sealing pressure thereof depending on the size of pouch being formed and the film material being used.
  • the speed of operation of each of the twin heads is also controlled by the computer 21 as well as the speed of the bagger machine 37 and the speed of the conveyors 35 and 41 to control the production output of the system as illustrated in Figure 1. It is within the ambit of the present invention to cover any obvious modifications of the preferred embodiment described herein, provided such modifications fall within the scope of the appended claims .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

L'invention concerne un formeuse-remplisseuse-scelleuse (10) de sachets convertible commandée par ordinateur, et un procédé de fonctionnement. Un dispositif d'entraînement de film tire une feuille (13) de film autour d'une formeuse (14) de sachet, de telle manière que la feuille (13) de film est pliée et superposée le long de ses bords (16) longitudinaux. Une première scelleuse (15) soude les bords (16) longitudinaux superposés par thermoscellage de manière à former un tube (17) de film creux. Un régulateur (19,29) de température régule la température des moyens de scellement (15,26). Une scelleuse transversale (26) forme une soudure transversale sur la largeur du tube (17) de film creux, en synchronisation avec la première scelleuse (15). Une chargeuse (22,23,24) distribue un contenu prédéterminé dans ledit tube (17) creux au niveau du poste de formage de ce dernier. Un ordinateur (21) de commande permet de commander le dispositif d'entraînement (12) du film, le temps de soudage de la première scelleuse (15), le régulateur (19,29) de température, le temps de soudage de la scelleuse transversale (26), et la vitesse d'alimentation, afin de former des sachets (25) d'une dimension prédéterminée programmée, remplis d'un volume de contenu prédéterminé programmé. Cette formeuse-remplisseuse-scelleuse (10) permet de produire des sachets de différentes dimensions remplis de différents volumes de contenus, grâce à un écran (31) d'entrée d'ordinateur.
PCT/CA2005/000327 2004-03-04 2005-03-03 Formeuse-remplisseuse-scelleuse de sachets convertible commandee par ordinateur WO2005085069A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2459651A CA2459651C (fr) 2004-03-04 2004-03-04 Formeuse-ensacheuse-scelleuse transformable commandee par ordinateur
CA2,459,651 2004-03-04

Publications (1)

Publication Number Publication Date
WO2005085069A1 true WO2005085069A1 (fr) 2005-09-15

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PCT/CA2005/000327 WO2005085069A1 (fr) 2004-03-04 2005-03-03 Formeuse-remplisseuse-scelleuse de sachets convertible commandee par ordinateur

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CA (1) CA2459651C (fr)
WO (1) WO2005085069A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008037708A1 (de) * 2008-08-14 2010-02-25 Krones Ag Verfahren zum Behandeln von Getränkebehältnissen
DE102012021997A1 (de) * 2012-11-12 2014-05-15 Krones Ag Verfahren zum Herstellen von Getränkebehältnissen und Vorrichtung zum Herstellen von Getränkebehältnissen
CN107054759A (zh) * 2017-01-23 2017-08-18 安徽信远包装科技有限公司 一种重袋自动上袋计量包装方法
US11491734B2 (en) 2019-03-07 2022-11-08 Vestel Elektronik Sanayi Ve Ticaret A.S. Bag-sealing apparatus and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11312517B2 (en) * 2019-06-13 2022-04-26 Tna Australia Pty Limited Assembly for forming bags

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1216508A (fr) * 1982-12-30 1987-01-13 Frank G. Shanklin Emballeuse a dispositif de mise en forme, remplissage et scellement a l'horizontale d'enveloppes pour produits
GB2311759A (en) * 1996-04-03 1997-10-08 Sanko Kikai Control of form-fill-seal packaging to vary package length
US5826403A (en) * 1995-10-17 1998-10-27 Food Machinery Sales, Inc. Horizontal form, fill, and seal packaging machine
GB2390075A (en) * 2002-06-25 2003-12-31 Kellog Co Compartmentalised bag producing method/apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1216508A (fr) * 1982-12-30 1987-01-13 Frank G. Shanklin Emballeuse a dispositif de mise en forme, remplissage et scellement a l'horizontale d'enveloppes pour produits
US5826403A (en) * 1995-10-17 1998-10-27 Food Machinery Sales, Inc. Horizontal form, fill, and seal packaging machine
GB2311759A (en) * 1996-04-03 1997-10-08 Sanko Kikai Control of form-fill-seal packaging to vary package length
GB2390075A (en) * 2002-06-25 2003-12-31 Kellog Co Compartmentalised bag producing method/apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008037708A1 (de) * 2008-08-14 2010-02-25 Krones Ag Verfahren zum Behandeln von Getränkebehältnissen
DE102008037708B4 (de) * 2008-08-14 2014-05-28 Krones Aktiengesellschaft Verfahren und Vorrichtung zum Behandeln von Getränkebehältnissen
DE102012021997A1 (de) * 2012-11-12 2014-05-15 Krones Ag Verfahren zum Herstellen von Getränkebehältnissen und Vorrichtung zum Herstellen von Getränkebehältnissen
US10252899B2 (en) 2012-11-12 2019-04-09 Krones Ag Method for producing beverage containers and system for producing beverage containers
CN107054759A (zh) * 2017-01-23 2017-08-18 安徽信远包装科技有限公司 一种重袋自动上袋计量包装方法
US11491734B2 (en) 2019-03-07 2022-11-08 Vestel Elektronik Sanayi Ve Ticaret A.S. Bag-sealing apparatus and method

Also Published As

Publication number Publication date
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CA2459651C (fr) 2013-02-12

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