EP1201539A1 - Device for making and preferably filling and closing of thermoplastic bags - Google Patents

Device for making and preferably filling and closing of thermoplastic bags Download PDF

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Publication number
EP1201539A1
EP1201539A1 EP00106384A EP00106384A EP1201539A1 EP 1201539 A1 EP1201539 A1 EP 1201539A1 EP 00106384 A EP00106384 A EP 00106384A EP 00106384 A EP00106384 A EP 00106384A EP 1201539 A1 EP1201539 A1 EP 1201539A1
Authority
EP
European Patent Office
Prior art keywords
jaws
wall
tubular film
film web
carrier
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
EP00106384A
Other languages
German (de)
French (fr)
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EP1201539B1 (en
Inventor
Hans-Ludwig Voss
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
Priority to ES00106384T priority Critical patent/ES2251901T3/en
Priority to AT00106384T priority patent/ATE313483T1/en
Priority to EP00106384A priority patent/EP1201539B1/en
Publication of EP1201539A1 publication Critical patent/EP1201539A1/en
Application granted granted Critical
Publication of EP1201539B1 publication Critical patent/EP1201539B1/en
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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
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • B65B43/36—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
    • 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
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/32—Cooling, or cooling and pressing, package closures after heat-sealing

Definitions

  • the invention relates to a device for manufacturing and preferably also for Filling and closing of thermoplastic sacks with a Preferred device for the intermittent pulling out of a tubular film web thermoplastic and for hanging it in a vertical direction Direction through a cross welding and cross cutting device that the leading Provides a cross weld seam at the end of the tubular film web and from this separates a hose section above a gripping and transport device.
  • the object of the invention is therefore a device of the type mentioned To create the way in which the leading end of the tubular film web quickly and without fluttering evasive action thanks to the cross welding and cross cutting device in its stretched hanging position, in the the end-side bottom seam in the area of the transport plane of the one to be filled Sacks.
  • this object is achieved in that parallel to the feed path the tubular film web is provided and above the wall or blowing nozzles pointing in the upper direction in the feed direction between the Wall and the feed path are arranged.
  • the through the blowing air nozzles in the gap between the web and the advanced Blown air blown in at the end of the tubular film web essentially flows with laminar flow in the feed direction and takes the advanced end the tubular film web in an elongated form with, between the Tubular film web and the wall forms a negative pressure, which is an undesirable Fluttering and dodging of the advanced end of the tubular film web prevented.
  • blowing air nozzles expediently consist of a series of blowing air nozzles or an elongated nozzle gap.
  • the one that serves to stretch the end of the tubular film web Blown air also cools the bottom weld.
  • the bottom weld in addition to their faster solidification cool.
  • the bottom weld seam cooling jaws are. These jaws can consist of a fixed jaw and a pair of pliers pivotable and interacting with the fixed jaw Cheek exist.
  • At least one of the jaws is preferably also directed towards the bottom weld seam Blow air nozzles provided.
  • Both jaws expediently have rows of blowing air nozzles that are directed at the bottom weld seam.
  • the Bakken expediently do not pinch the bottom weld seam between them, to prevent it from sticking to the cheeks.
  • sacks are usually different Size and length made and filled. It is therefore necessary to Distance between the cross welding and cross cutting device and the transport plane to change the sacks to be filled and to different sack lengths adapt.
  • the jaws used for cooling are therefore expedient arranged on the carrier of a conveyor belt conveying the filled sacks, which can be raised and lowered in the machine frame to change the format is managed and stored.
  • the tongs holding the separated bags are expediently displaceable or pivoted to the machine frame so that they are separated Can convey sacks one cycle distance towards the filling station.
  • a second is expediently located approximately at the cycle distance from the cooling jaws
  • a pair of cooling jaws is provided, of which at least one jaw is cooled. Also this second pair of cooling jaws is expediently connected to the carrier of the conveyor belt or attached to a console connected to it.
  • the wall can be made of a flexible Exist web, the lower end of the carrier or at a connected to this Console is attached, with the web between an upper deflecting rod or deflecting edge and an attachment of its other end to the machine frame placed in a loop and a weight in the loop, e.g. a Rod, is inserted.
  • a weight in the loop e.g. a Rod
  • the wall can also be separated overlapping wall sections exist, of which the upper is held fixed to the frame and the lower one is attached to the carrier.
  • the wall sections made of rigid material.
  • the device shown in the drawing for manufacturing, filling, closing and removal of bags made of thermoplastic consists of a Machine with a relatively short overall length, in which all processing stations are arranged in a single machine frame.
  • the machine frame consists of two side parts 1, 2, which by usual, not shown trusses are interconnected.
  • the machine frame is through Panels, doors and windows, clad so that it looks handsome on the outside Looks.
  • the tubular film web drawn off from the tubular film roll 4 5 is cyclically advanced by a pair of preferred rollers 6 over deflection rollers.
  • the pendulum roller 12 is between two in Machine frame mounted levers 13, which are clocked by a pneumatic cylinder 14 from their swung into their swung out Position is pivoted.
  • the pair of preferred rollers 6 pulls the tubular film web running over the deflection roller 7 5 in the vertical direction and pushes it between a cross welding and cross separator 15 therethrough.
  • This cross welding and cross cutting station consists of a fixed jaw 16 and a pivotable Jaws 17, which are supported by frame-mounted arms 18 and by one provided with a drive and articulated with a handlebar 18 Rod 19 is pivoted back and forth.
  • the upper part of the jaws 16, 17 is as the bottom weld seams executed welding jaws.
  • Below the The welding jaw is the fixed jaw 16 with a groove and the swiveling one Jaws 17 are provided with a cutting knife 20 which is to be separated in time with the Immersed hose sections 21 in the groove.
  • the tubular film web is preferably provided with side folds.
  • a support 24 forming a coupling is supported, the one with an obliquely projecting Cantilever 25 is connected to the side below the opening edges of the hose sections 21 gripping tongs 26 are arranged, the are indicated by the gripping jaws shown.
  • On the handlebar 23 is one Crank rod 27 articulated by a gear motor 28 driven Crank 29 is moved back and forth.
  • the Grippers 32 are carried by levers 34, 35, both on a push rod 36 are articulated and with their articulation points on the push rod and the grippers form a four-joint system.
  • the lever 35 is a two-armed lever, the Upper lever arm 37 is mounted fixed to the frame in the manner shown.
  • the push rod 36 is hinged to a two-armed lever 38 mounted on the frame, the upper lever arm loaded in the manner shown by a return spring 39 is.
  • the crank 29 is designed in the manner shown as a cam, wherein on this cam disc one on the lower lever arm of the two-armed Lever 37 mounted cam roller 40 runs.
  • the push rod 36 is driven by its cam lever-cam roller driven such that the grippers 32 pass the sack section ahead to holding grippers, which are on the side of the opening areas of the bag sections attack below the hopper 42.
  • On a second pair of grippers 43 is arranged on the carrier 24, which after filling again tight opening edges of the filled bag in the welding station 34 transferred in the welding jaws, not shown, the tightened Seal the opening edges of the sack with a cross weld.
  • a conveyor belt provided with studs 50 51, which runs over the end drive and deflection rollers 52, 53 and the filled Conveying bags 54 from the filling and welding stations in time with their filling.
  • the drive and deflection rollers 52, 53 of the conveyor belt 51 are at the ends of a horizontal support 55 mounted in the guides 56 fixed to the frame a spindle drive 57 can be raised and lowered, the drive for the spindle drive consists of a geared motor 58.
  • the lower end 63 of the track 62 is connected to brackets 64 which connected to the carrier 55 of the conveyor belt 51 in the manner shown in FIG. 4 are.
  • the web 62 runs from its lower attachment 63 over an upper one Deflection rod 65 held fixed to the frame for its fixed mounting 66. Between the deflection rod 65 and its attachment 66 is the web 62 to one Loop 67 pulled out, in which a loop keeping the web 62 taut Rod 68 is inserted. Used to adapt the format of the carrier 55 of the conveyor belt 51 move according to the height, the taut section 62 fits The web always adapts to the changed bag formats in that the required web length is withdrawn from the loop 67 or migrates into it.
  • the blowing nozzles are located above the wall 62 61 or a blow nozzle gap, from which blow air in the feed direction of the leading Section of the web 5 is blown into the gap 69. Due to the Narrowing in the gap, the blowing air experiences a laminar flow, the one Exerts suction on the advanced web section and thereby their Flutter prevents us from evading. Because of the tightening and suction of the web Effect of the blown air flow 61 can be the leading section of the Tubular film web 5 at the speed predetermined by the pair of preferred rollers 6 lower towards the console 64.
  • the jaw 72 As soon as the front end of the tubular film web 5 is lowered and in the area of the cooling jaw 70, is by the pneumatic cylinder 71, the is pivotally mounted on the console 64, the jaw 72 in the direction of the fixed Jaw 70 swiveled. Both jaws 70, 72 are provided with blowing air nozzles 73, 74, blow the cooling blowing air onto the weld 60. The jaws 72 are approaching only in so far the fixed jaw 70 that both jaws the Do not touch weld 60 to prevent it from sticking.
  • the grippers 26 grip the section laterally below the upper edge of the opening, so that section 21 is then separated and at the same time at the newly formed end of the tubular film web 5 the cross weld can be formed.
  • the tube section is turned into the one on the left in FIG Position promoted in which the weld 60 in front of a fixed jaw 76 comes to rest.
  • This fixed jaw 76 is a pivotable jaw 77 assigned, which in the machine cycle by a pneumatic cylinder 78 against the fixed jaws 76 is pivoted.
  • the fixed jaw 76 is from Channels 79 crossed, through which cooling air flows.
  • During the short stay of the bag section 21 in the transfer station 31 is done by clamping the weld seam 60 between the jaws 76, 77 further cooling the weld 60.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

Form and fill machine for bags made from thermoplastics comprises a pair of rollers (6) which intermediately feeds a tube (5) of plastic through a welding and cutting head (15) which forms a transverse weld (60), the bags (21) then being separated by a gripper and conveying unit. A screen (62) is mounted parallel to the tube and air nozzles (61) are mounted at its top between it and the tube.

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen und vorzugsweise auch zum Befüllen und Verschließen von Säcken aus thermoplastischem Kunststoff mit einer Vorzugseinrichtung zum intermittierenden Vorziehen einer Schlauchfolienbahn aus thermoplastischem Kunststoff und zu deren hängendem Vorschieben in vertikaler Richtung durch eine Querschweiß- und Querschneideinrichtung, die das vorauslaufende Ende der Schlauchfolienbahn mit einer Querschweißnaht versieht und von dieser oberhalb einer Greif- und Transporteinrichtung einen Schlauchabschnitt abtrennt.The invention relates to a device for manufacturing and preferably also for Filling and closing of thermoplastic sacks with a Preferred device for the intermittent pulling out of a tubular film web thermoplastic and for hanging it in a vertical direction Direction through a cross welding and cross cutting device that the leading Provides a cross weld seam at the end of the tubular film web and from this separates a hose section above a gripping and transport device.

Vorrichtungen dieser Art sind in unterschiedlichen Ausführungsformen bekannt. Sie dienen dazu, ausgehend beispielsweise von einer zu einer Vorratsrolle aufgewikkelten Schlauchfolienbahn von dieser Schlauchabschnitte abzutrennen, diese mit Bodenschweißnähten zu versehen, mit einem Schüttgut zu befüllen und die befüllten Säcke mit Kopfschweißnähten zu verschließen und abzufördern. Dabei ist es ein Bestreben des Herstellers derartiger Maschinen, diese wirtschaftlich, nämlich mit hohen Taktzahlen, arbeiten zu lassen. Die Leistung derartiger Maschinen wird insbesondere auch dadurch eingeschränkt, daß das vorauslaufende Ende der mit einer Bodenschweißnaht versehenen Kunststoffolienbahn gestreckt zwischen die die Bodenschweißnaht ausführenden Schweißbacken und die Querschneideinrichtung hindurchgeführt werden muß und die frisch gebildete Bodenschweißnaht zu ihrer Verfestigung abkühlen muß, bevor der von der Schlauchfolienbahn abgetrennte und einen Sack bildende Abschnitt mit dem Füllgut befüllt wird. Bei dem Hindurchschieben des vorauslaufenden mit der Bodenschweißnaht versehenen Endes der Schlauchfolienbahn in Richtung auf die Transportebene der zu befüllenden Säcke ergibt sich das Problem, daß der frei vorgeschobene Endabschnitt aufgrund seiner Lappigkeit auszuweichen trachtet und sich querlegen und ausweichen kann, so daß es zusätzliche Zeit beansprucht, bis der abzutrennende Schlauchabschnitt seine korrekte senkrecht hängende Stellung eingenommen hat.Devices of this type are known in different embodiments. she are used, for example, starting from a roll wound up into a supply roll Separate the tubular film web from these tubular sections, with these Bottom weld seams to fill, fill with a bulk material and the filled To seal and remove bags with head welds. It is an effort by the manufacturer of such machines, these economically, namely to work with high cycle rates. The performance of such machines will in particular also limited by the fact that the leading end of the a bottom welded plastic film stretched between the the welding jaws performing the bottom weld seam and the cross-cutting device must be passed through and the freshly formed bottom weld must cool to solidify before the separated from the tubular film web and a section forming a sack is filled with the filling material. In which Push the leading one with the bottom weld seam End of the tubular film web in the direction of the transport plane of the to be filled Sacks the problem arises that due to the freely advanced end section seeks to avoid his limpness and to lay aside and evade can, so that it takes additional time until the hose section to be separated has taken its correct vertical position.

Aufgabe der Erfindung ist es daher, eine Vorrichtung der eingangs angegebenen Art zu schaffen, in der sich das vorauslaufende Ende der Schlauchfolienbahn schnell und ohne flatterndes Ausweichen durch die Querschweiß- und Quertrenneinrichtung in seine gestreckt hängende Stellung hindurchschieben läßt, in der sich die endseitige Bodennaht im Bereich der Transportebene der zu befüllenden Säcke befindet.The object of the invention is therefore a device of the type mentioned To create the way in which the leading end of the tubular film web quickly and without fluttering evasive action thanks to the cross welding and cross cutting device in its stretched hanging position, in the the end-side bottom seam in the area of the transport plane of the one to be filled Sacks.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß parallel zur Vorschubbahn der Schlauchfolienbahn eine Wand vorgesehen und oberhalb der Wand oder in deren oberen Bereich in Vorschubrichtung weisende Blasdüsen zwischen der Wand und der Vorschubbahn angeordnet sind.According to the invention, this object is achieved in that parallel to the feed path the tubular film web is provided and above the wall or blowing nozzles pointing in the upper direction in the feed direction between the Wall and the feed path are arranged.

Die durch die Blasluftdüsen in den Spalt zwischen der Bahn und dem vorgeschobenen Ende der Schlauchfolienbahn eingeblasene Blasluft strömt im wesentlichen mit laminarer Strömung in Vorschubrichtung und nimmt das vorgeschobene Ende der Schlauchfolienbahn in gestreckter Form mit, wobei sich zwischen der Schlauchfolienbahn und der Wand ein Unterdruck ausbildet, der ein unerwünschtes Flattern und Ausweichen des vorgeschobenen Endes der Schlauchfolienbahn verhindert. The through the blowing air nozzles in the gap between the web and the advanced Blown air blown in at the end of the tubular film web essentially flows with laminar flow in the feed direction and takes the advanced end the tubular film web in an elongated form with, between the Tubular film web and the wall forms a negative pressure, which is an undesirable Fluttering and dodging of the advanced end of the tubular film web prevented.

Zweckmäßigerweise bestehen die Blasluftdüsen aus einer Reihe von Blasluftdüsen oder einem langgestreckten Düsenspalt.The blowing air nozzles expediently consist of a series of blowing air nozzles or an elongated nozzle gap.

Die dem gestreckten Vorschieben des Endes der Schlauchfolienbahn dienende Blasluft kühlt zusätzlich auch die Bodenschweißnaht. Um jedoch die Taktzeiten beim Herstellen und Befüllen der Säcke weiter verkürzen zu können, ist es wünschenswert, die Bodenschweißnaht zu ihrer schnelleren Verfestigung zusätzlich zu kühlen. In weiterer Ausgestaltung der Erfindung ist daher vorgesehen, daß im Endbereich der Vorschubstrecke die Bodenschweißnaht kühlende Backen vorgesehen sind. Diese Backen können aus einer feststehenden Backe und einer zangenartig verschwenkbaren und mit der feststehenden Backe zusammenwirkenden Backe bestehen.The one that serves to stretch the end of the tubular film web Blown air also cools the bottom weld. However, at the cycle times to be able to further shorten when manufacturing and filling the bags, it is desirable the bottom weld in addition to their faster solidification cool. In a further embodiment of the invention it is therefore provided that in The bottom area of the feed section provided the bottom weld seam cooling jaws are. These jaws can consist of a fixed jaw and a pair of pliers pivotable and interacting with the fixed jaw Cheek exist.

Vorzugsweise ist mindestens eine der Backen mit auf die Bodenschweißnaht gerichteten Blasluftdüsen versehen. Zweckmäßigerweise weisen beide Backen Reihen von Blasluftdüsen auf, die auf die Bodenschweißnaht gerichtet sind. Die Bakken klemmen die Bodenschweißnaht zweckmäßigerweise nicht zwischen sich ein, um zu verhindern, daß diese mit den Backen verklebt.At least one of the jaws is preferably also directed towards the bottom weld seam Blow air nozzles provided. Both jaws expediently have rows of blowing air nozzles that are directed at the bottom weld seam. The Bakken expediently do not pinch the bottom weld seam between them, to prevent it from sticking to the cheeks.

In Vorrichtungen der erfindungsgemäßen Art werden üblicherweise Säcke unterschiedlicher Größe und Länge hergestellt und befüllt. Daher ist es erforderlich, den Abstand zwischen der Querschweiß- und Querschneideinrichtung und der Transportebene der zu befüllenden Säcke zu verändern und auf unterschiedliche Sacklängen anzupassen. Die der Kühlung dienenden Backen sind daher zweckmäßigerweise an dem Träger eines die gefüllten Säcke abfördernden Förderbandes angeordnet, der zur Formatänderung heb- und absenkbar in dem Maschinengestell geführt und gelagert ist.In devices of the type according to the invention, sacks are usually different Size and length made and filled. It is therefore necessary to Distance between the cross welding and cross cutting device and the transport plane to change the sacks to be filled and to different sack lengths adapt. The jaws used for cooling are therefore expedient arranged on the carrier of a conveyor belt conveying the filled sacks, which can be raised and lowered in the machine frame to change the format is managed and stored.

Die die abgetrennten Säcke halternden Zangen sind zweckmäßigerweise querverschieblich oder schwenkbar zum Maschinengestell gelagert, so daß sie die abgetrennten Säcke um eine Taktstrecke in Richtung auf die Füllstation fördern können. The tongs holding the separated bags are expediently displaceable or pivoted to the machine frame so that they are separated Can convey sacks one cycle distance towards the filling station.

Zweckmäßigerweise ist etwa im Taktabstand von den Kühlbacken ein zweites Kühlbackenpaar vorgesehen, von denen mindestens eine Backe gekühlt ist. Auch dieses zweite Kühlbackenpaar ist zweckmäßigerweise mit dem Träger des Förderbandes oder an einer mit diesem verbundenen Konsole befestigt.A second is expediently located approximately at the cycle distance from the cooling jaws A pair of cooling jaws is provided, of which at least one jaw is cooled. Also this second pair of cooling jaws is expediently connected to the carrier of the conveyor belt or attached to a console connected to it.

Nach einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, daß die Länge der Wand an die Höhe des Trägers des Förderbandes, also an geänderte Sackformate, anpaßbar ist.According to a particularly preferred embodiment of the invention, that the length of the wall to the height of the carrier of the conveyor belt, so changed Sack formats that is customizable.

Zur Anpassung an unterschiedliche Sackformate kann die Wand aus einer flexiblen Bahn bestehen, deren unteres Ende an dem Träger oder an einer mit diesem verbundenen Konsole befestigt ist, wobei die Bahn zwischen einer oberen Umlenkstange oder Umlenkkante und einer Befestigung ihres anderen Endes an dem Maschinengestell in eine Schlaufe gelegt und in die Schlaufe ein Gewicht, z.B. eine Stange, eingelegt ist. Bei einem Verfahren des Trägers des Förderbandes paßt sich die Wand dadurch selbsttätig geänderten Formaten an, daß die Wand verlängernde Bahnabschnitte aus der Schlaufe herausgezogen oder die Wand verkürzende Bahnabschnitte in die Schlaufe hineingezogen werden.To adapt to different sack formats, the wall can be made of a flexible Exist web, the lower end of the carrier or at a connected to this Console is attached, with the web between an upper deflecting rod or deflecting edge and an attachment of its other end to the machine frame placed in a loop and a weight in the loop, e.g. a Rod, is inserted. One method of moving the conveyor belt fits the wall thereby automatically changed formats that the wall lengthening Sections of the web pulled out of the loop or shortening the wall Web sections are pulled into the loop.

Zur Anpassung an unterschiedliche Formate kann die Wand auch aus einander überlappenden Wandabschnitten bestehen, von denen der obere gestellfest gehalten und der untere an dem Träger befestigt ist. Bei dieser Ausgestaltung bestehen die Wandabschnitte aus steifem Material.To adapt to different formats, the wall can also be separated overlapping wall sections exist, of which the upper is held fixed to the frame and the lower one is attached to the carrier. In this configuration exist the wall sections made of rigid material.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnung näher erläutert. In dieser zeigt

Fig. 1
eine Seitenansicht der Vorrichtung,
Fig. 2
eine Draufsicht auf die Vorrichtung,
Fig. 3
eine schematische Seitenansicht der Vorrichtung mit abgehobener Vorderwand,
Fig. 4
eine der Fig. 3 entsprechende vergrößerte Ansicht der die Sackabschnitte taktweise transportierenden Greifzangen und
Fig. 5
eine vergrößerte Darstellung der die Bodenschweißnähte kühlenden Backen.
An embodiment of the invention is explained below with reference to the drawing. In this shows
Fig. 1
a side view of the device,
Fig. 2
a plan view of the device,
Fig. 3
2 shows a schematic side view of the device with the front wall raised,
Fig. 4
3 shows an enlarged view corresponding to FIG. 3 of the gripping tongs which transport the bag sections in cycles
Fig. 5
an enlarged view of the jaws cooling the bottom welds.

Die in der Zeichnung dargestellte Vorrichtung zum Herstellen, Befüllen, Verschließen und Abfördern von Säcken aus thermoplastischem Kunststoff besteht aus einer Maschine mit verhältnismäßig kurzer Baulänge, bei der sämtliche Bearbeitungsstationen in einem einzigen Maschinengestell angeordnet sind.The device shown in the drawing for manufacturing, filling, closing and removal of bags made of thermoplastic consists of a Machine with a relatively short overall length, in which all processing stations are arranged in a single machine frame.

Das Maschinengestell besteht aus zwei Seitenteilen 1, 2, die durch übliche, nicht dargestellte Traversen miteinander verbunden sind. Das Maschinengestell ist durch Platten, Türen und Fenster, verkleidet, so daß es nach außen ein ansehnliches Aussehen bietet. An einem Ende des Maschinengestells ist an den Seitenteilen 1, 2 eine Abrolleinrichtung 3 für eine zu einer Vorratsrolle aufgewickelten Schlauchfolienbahn aus thermoplastischem Kunststoff angeordnet, in die eine Schlauchfolienrolle 4 eingehängt ist. Die von der Schlauchfolienrolle 4 abgezogene Schlauchfolienbahn 5 wird durch ein Vorzugswalzenpaar 6 über Umlenkrollen taktweise vorgezogen. Zwischen Umlenk- oder Leitwalzen 10, 11 wird die von der Vorratsrolle 4 abgezogene Schlauchfolienbahn von einer Pendelwalze 12 zu einer Bahnschlaufe ausgezogen, die einen Bahnspeicher bildet, aus dem die taktweise vorgezogene Schlauchfolienbahn abgezogen wird und der sich während der Stillstandsphasen der Schlauchfolienbahn dadurch wieder füllt, daß die Pendelwalze 12 einen so großen Abschnitt von der Vorratsrolle 4 abzieht, daß die Schlaufe wieder ihre die Abschnittlänge speichernde Länge erhält. Die Pendelwalze 12 ist zwischen zwei im Maschinengestell gelagerten Hebeln 13 gelagert, die taktweise von einem Pneumatikzylinder 14 aus ihrer eingeschwenkten in ihre dargestellte ausgeschwenkte Stellung verschwenkt wird.The machine frame consists of two side parts 1, 2, which by usual, not shown trusses are interconnected. The machine frame is through Panels, doors and windows, clad so that it looks handsome on the outside Looks. At one end of the machine frame on the side parts 1, 2 a roll-off device 3 for a tubular film web wound into a supply roll made of thermoplastic plastic, into which a tubular film roll 4 is attached. The tubular film web drawn off from the tubular film roll 4 5 is cyclically advanced by a pair of preferred rollers 6 over deflection rollers. Between the deflection or guide rollers 10, 11, that of the supply roll 4th withdrawn tubular film web from a pendulum roller 12 to a web loop pulled out, which forms a web storage from which the cyclically advanced Tubular film web is pulled off and that during the standstill phases the tubular film web fills again in that the pendulum roller 12 is so large Section from the supply roll 4 pulls that the loop back to the section length preserving length. The pendulum roller 12 is between two in Machine frame mounted levers 13, which are clocked by a pneumatic cylinder 14 from their swung into their swung out Position is pivoted.

Das Vorzugswalzenpaar 6 zieht die über die Umlenkrolle 7 ablaufende Schlauchfolienbahn 5 in vertikaler Richtung vor und schiebt diese zwischen einer Querschweiß- und Quertrenneinrichtung 15 hindurch. Diese Querschweiß- und Quertrennstation besteht aus einem gestellfesten Backen 16 und einem verschwenkbaren Backen 17, der von gestellfest gelagerten Lenkern 18 getragen ist und von einer mit einem Antrieb versehenen und gelenkig mit einem Lenker 18 verbundenen Stange 19 hin- und herverschwenkt wird. Der obere Teil der Backen 16, 17 ist als die Bodenschweißnähte ausführender Schweißbacken ausgebildet. Unterhalb der Schweißbacken ist der feststehende Backen 16 mit einer Nut und der schwenkbare Backen 17 mit einem Schneidmesser 20 versehen, das im Takt der abzutrennenden Schlauchabschnitte 21 in die Nut eintaucht.The pair of preferred rollers 6 pulls the tubular film web running over the deflection roller 7 5 in the vertical direction and pushes it between a cross welding and cross separator 15 therethrough. This cross welding and cross cutting station consists of a fixed jaw 16 and a pivotable Jaws 17, which are supported by frame-mounted arms 18 and by one provided with a drive and articulated with a handlebar 18 Rod 19 is pivoted back and forth. The upper part of the jaws 16, 17 is as the bottom weld seams executed welding jaws. Below the The welding jaw is the fixed jaw 16 with a groove and the swiveling one Jaws 17 are provided with a cutting knife 20 which is to be separated in time with the Immersed hose sections 21 in the groove.

Die Schlauchfolienbahn ist vorzugsweise mit Seitenfalten versehen.The tubular film web is preferably provided with side folds.

An gestellfest gelagerten Lenkern 22, 23 ist unter Ausbildung eines Vier-Gelenk-Systems ein eine Koppel bildender Träger 24 gelagert, der mit einem schräg auskragenden Kragstück 25 verbunden ist, an dem seitlich unterhalb der Öffnungsränder der Schlauchabschnitte 21 angreifende Greifzangen 26 angeordnet sind, die durch die dargestellten Greifbacken angedeutet sind. An dem Lenker 23 ist eine Kurbelstange 27 angelenkt, die von einer von einem Getriebemotor 28 angetriebenen Kurbel 29 hin- und herbewegt wird. Dabei ist die Schwenkbewegung des Trägers 24 so groß, daß die den Sackabschnitt 21 unterhalb der Querschweiß- und Quertrenneinrichtung erfassenden Greifzangen 26 den Sackabschnitt um eine Taktlänge auf den Kreisbogen 30 in eine Übergabestation 31 fördern, in der die Greifzangen 26 den Sackabschnitt an von oben her die Öffnungsränder erfassende Greifer 32 übergeben, die den Sackabschnitt 21 in die Füllstation 33 fördern. Die Greifer 32 werden von Hebeln 34, 35 getragen, die beide an einer Schubstange 36 angelenkt sind und mit ihren Anlenkpunkten an der Schubstange und den Greifern ein Vier-Gelenk-System bilden. Der Hebel 35 ist ein zweiarmiger Hebel, dessen oberer Hebelarm 37 in der dargestellten Weise gestellfest gelagert ist. Die Schubstange 36 ist an einen zweiarmigen gestellfest gelagerten Hebel 38 angelenkt, dessen oberer Hebelarm in der dargestellten Weise von einer Rückholfeder 39 belastet ist. Die Kurbel 29 ist in der dargestellten Weise als Kurvenscheibe ausgebildet, wobei auf dieser Kurvenscheibe eine auf dem unteren Hebelarm des zweiarmigen Hebels 37 gelagerte Nockenrolle 40 läuft. Die Schubstange 36 ist durch ihren Kurvenscheiben-Hebel-Nockenrollen-Antrieb derart angetrieben, daß die Greifer 32 den Sackabschnitt voreilend an Haltegreifer übergeben, die seitlich an den Öffnungsbereichen der Sackabschnitte unterhalb des Fülltrichters 42 angreifen. An dem Träger 24 ist ein zweites Greiferpaar 43 angeordnet, das die nach dem Befüllen wieder straff gezogenen Öffnungsränder des befüllten Sackes in die Schweißstation 34 überführt, in der nicht dargestellte Schweißbacken die straffgezogenen Öffnungsränder des Sackes mit einer Querschweißnaht verschließen.On handlebars 22, 23 which are fixed to the frame, a four-joint system is formed a support 24 forming a coupling is supported, the one with an obliquely projecting Cantilever 25 is connected to the side below the opening edges of the hose sections 21 gripping tongs 26 are arranged, the are indicated by the gripping jaws shown. On the handlebar 23 is one Crank rod 27 articulated by a gear motor 28 driven Crank 29 is moved back and forth. Here is the pivotal movement of the carrier 24 so large that the bag section 21 below the cross weld and Gripping tongs 26 which grasp the transverse separating device by one Promote cycle length on the circular arc 30 in a transfer station 31, in which the Gripping tongs 26 the bag section to the opening edges from above Pass grippers 32, which convey the bag section 21 into the filling station 33. The Grippers 32 are carried by levers 34, 35, both on a push rod 36 are articulated and with their articulation points on the push rod and the grippers form a four-joint system. The lever 35 is a two-armed lever, the Upper lever arm 37 is mounted fixed to the frame in the manner shown. The push rod 36 is hinged to a two-armed lever 38 mounted on the frame, the upper lever arm loaded in the manner shown by a return spring 39 is. The crank 29 is designed in the manner shown as a cam, wherein on this cam disc one on the lower lever arm of the two-armed Lever 37 mounted cam roller 40 runs. The push rod 36 is driven by its cam lever-cam roller driven such that the grippers 32 pass the sack section ahead to holding grippers, which are on the side of the opening areas of the bag sections attack below the hopper 42. On a second pair of grippers 43 is arranged on the carrier 24, which after filling again tight opening edges of the filled bag in the welding station 34 transferred in the welding jaws, not shown, the tightened Seal the opening edges of the sack with a cross weld.

Unterhalb der Füllstation 33 befindet sich ein mit Stollen 50 versehenes Abförderband 51, das über endseitige Antriebs- und Umlenkrollen 52, 53 läuft und die befüllten Säcke 54 im Takt ihrer Befüllung aus den Füll- und Schweißstationen abfördert. Die Antriebs- und Umlenkrollen 52, 53 des Förderbands 51 sind an den Enden eines horizontalen Trägers 55 gelagert, der in gestellfesten Führungen 56 durch einen Spindeltrieb 57 heb- und senkbar ist, wobei der Antrieb für den Spindeltrieb aus einem Getriebemotor 58 besteht.Below the filling station 33 there is a conveyor belt provided with studs 50 51, which runs over the end drive and deflection rollers 52, 53 and the filled Conveying bags 54 from the filling and welding stations in time with their filling. The drive and deflection rollers 52, 53 of the conveyor belt 51 are at the ends of a horizontal support 55 mounted in the guides 56 fixed to the frame a spindle drive 57 can be raised and lowered, the drive for the spindle drive consists of a geared motor 58.

Anhand der Fig. 5 wird nun die flatterfreie Absenkung des vorderen mit einer Bodenschweißnaht 60 versehenen Endes der Schlauchfolienbahn 5 näher beschrieben. Während des intermittierenden Vorschubs der Schlauchfolienbahn 5 durch die Querschweiß- und Querschneideinrichtung 15 hindurch ist der in Richtung des Pfeils A hin- und herschwenkbare Backen 17 von dem gestellfesten Backen 16 abgehoben. Unterhalb des Backens 17 ist im Maschinengestell ein Blasluftdüsenspalt oder eine Reihe von Blasluftdüsen 61 angeordnet, deren Blasluftstrom senkrecht nach unten gerichtet ist. Parallel zu der Vorschubstrecke für die Schlauchfolienbahn 5 bzw. die von dieser abgetrennten Sackabschnitte 21 ist im Maschinengestell eine Wand 62 vorgesehen, die aus einer straff gehaltenen Folienbahn oder Gewebebahn besteht. Das untere Ende 63 der Bahn 62 ist mit Konsolen 64 verbunden, die mit dem Träger 55 des Förderbandes 51 in der aus Fig. 4 ersichtlichen Weise verbunden sind. Die Bahn 62 läuft von ihrer unteren Befestigung 63 über eine obere gestellfest gehaltene Umlenkstange 65 zu ihrer gestellfesten Befestigung 66. Zwischen der Umlenkstange 65 und ihrer Befestigung 66 ist die Bahn 62 zu einer Schlaufe 67 ausgezogen, wobei in die Schlaufe eine die Bahn 62 straff haltende Stange 68 eingelegt ist. Wird zur Formatanpassung der Träger 55 des Förderbandes 51 der Höhe nach verfahren, paßt sich der straff gehaltene Abschnitt 62 der Bahn immer an die veränderten Sackformate dadurch an, daß die benötigte Bahnlänge aus der Schlaufe 67 abgezogen wird oder in diese hineinwandert.5, the flutter-free lowering of the front with a bottom weld is now 60 provided end of the tubular film web 5 described in more detail. During the intermittent feed of the tubular film 5 through the Cross welding and cross cutting device 15 is in the direction of Arrow A back and forth swiveling jaws 17 lifted from the jaw 16 fixed to the frame. Below the jaw 17 there is a blowing air nozzle gap in the machine frame or a series of blown air nozzles 61, the blown air flow of which is vertical is directed downwards. Parallel to the feed line for the tubular film web 5 or the bag sections 21 separated therefrom is one in the machine frame Wall 62 is provided, which consists of a taut film or fabric web consists. The lower end 63 of the track 62 is connected to brackets 64 which connected to the carrier 55 of the conveyor belt 51 in the manner shown in FIG. 4 are. The web 62 runs from its lower attachment 63 over an upper one Deflection rod 65 held fixed to the frame for its fixed mounting 66. Between the deflection rod 65 and its attachment 66 is the web 62 to one Loop 67 pulled out, in which a loop keeping the web 62 taut Rod 68 is inserted. Used to adapt the format of the carrier 55 of the conveyor belt 51 move according to the height, the taut section 62 fits The web always adapts to the changed bag formats in that the required web length is withdrawn from the loop 67 or migrates into it.

Zwischen der aus der straff gespannten Folienbahn 62 bestehenden Wand und dem durch die Vorzugswalzen 6 vorgeschobenen Abschnitt der Bahn 5 ist ein Spalt geeigneter Breite 69 gebildet. Oberhalb der Wand 62 befinden sich die Blasdüsen 61 oder ein Blasdüsenspalt, aus denen Blasluft in Vorschubrichtung des vorauslaufenden Abschnitts der Bahn 5 in den Spalt 69 eingeblasen wird. Aufgrund der Verengung in dem Spalt erfährt die Blasluft eine laminare Strömung, die eine Saugwirkung auf den vorgeschobenen Bahnabschnitt ausübt und dadurch deren Flattern uns Ausweichen verhindert. Aufgrund der die Bahn straffenden und ansaugenden Wirkung des Blasluftstroms 61 läßt sich der vorauslaufende Abschnitt der Schlauchfolienbahn 5 mit der durch das Vorzugswalzenpaar 6 vorgegebenen Geschwindigkeit in Richtung auf die Konsole 64 absenken.Between the wall consisting of the taut film web 62 and the portion of the web 5 advanced by the feed rollers 6 is a nip suitable width 69 formed. The blowing nozzles are located above the wall 62 61 or a blow nozzle gap, from which blow air in the feed direction of the leading Section of the web 5 is blown into the gap 69. Due to the Narrowing in the gap, the blowing air experiences a laminar flow, the one Exerts suction on the advanced web section and thereby their Flutter prevents us from evading. Because of the tightening and suction of the web Effect of the blown air flow 61 can be the leading section of the Tubular film web 5 at the speed predetermined by the pair of preferred rollers 6 lower towards the console 64.

Sobald das vordere Ende der Schlauchfolienbahn 5 abgesenkt ist und sich im Bereich des Kühlbackens 70 befindet, wird durch den Pneumatikzylinder 71, der schwenkbar an der Konsole 64 gelagert ist, die Backe 72 in Richtung auf die feste Backe 70 verschwenkt. Beide Backen 70, 72 sind mit Blasluftdüsen 73, 74 versehen, die kühlende Blasluft auf die Schweißnaht 60 blasen. Die Backen 72 nähert sich dabei nur in soweit der feststehenden Backe 70 an, daß beide Backen die Schweißnaht 60 nicht berühren, um ein Verkleben mit dieser zu verhindern.As soon as the front end of the tubular film web 5 is lowered and in the area of the cooling jaw 70, is by the pneumatic cylinder 71, the is pivotally mounted on the console 64, the jaw 72 in the direction of the fixed Jaw 70 swiveled. Both jaws 70, 72 are provided with blowing air nozzles 73, 74, blow the cooling blowing air onto the weld 60. The jaws 72 are approaching only in so far the fixed jaw 70 that both jaws the Do not touch weld 60 to prevent it from sticking.

Sobald der Abschnitt 21 gestreckt durch die Querschweiß- und Querschneideinrichtung 15 hindurchgeschoben worden ist, erfassen die Greifer 26 den Abschnitt seitlich unterhalb des oberen Öffnungsrandes, so daß sodann der Abschnitt 21 abgetrennt und gleichzeitig an dem dadurch neu gebildeten Ende der Schlauchfolienbahn 5 die Querschweißnaht ausgebildet werden kann. Die Greifzangen 26 fördern sodann das obere Abschnittende um einen Takt weiter, so daß in der Übergabestation 31 die von oben her angreifenden Zangen 32 den Abschnitt übernehmen können. Durch diesen Übergabetakt wird der Schlauchabschnitt in die aus Fig. 5 linke Position gefördert, in der die Schweißnaht 60 vor einem feststehenden Backen 76 zu liegen kommt. Diesem feststehenden Backen 76 ist ein schwenkbarer Backen 77 zugeordnet, der im Maschinentakt von einem Pneumatikzylinder 78 gegen den feststehenden Backen 76 geschwenkt wird. Der feststehende Backen 76 ist von Kanälen 79 durchzogen, durch die kühlende Luft strömt. Während des kurzen Verweilens des Sackabschnitts 21 in der Übergabestation 31 erfolgt durch das Einspannen der Schweißnaht 60 zwischen den Backen 76, 77 eine weitere Kühlung der Schweißnaht 60.Once section 21 is stretched through the cross welding and cross cutting device 15 has been pushed through, the grippers 26 grip the section laterally below the upper edge of the opening, so that section 21 is then separated and at the same time at the newly formed end of the tubular film web 5 the cross weld can be formed. Promote the gripping tongs 26 then the upper end of the section by one cycle, so that in the transfer station 31 the pliers 32 attacking from above can take over the section. Through this transfer cycle, the tube section is turned into the one on the left in FIG Position promoted in which the weld 60 in front of a fixed jaw 76 comes to rest. This fixed jaw 76 is a pivotable jaw 77 assigned, which in the machine cycle by a pneumatic cylinder 78 against the fixed jaws 76 is pivoted. The fixed jaw 76 is from Channels 79 crossed, through which cooling air flows. During the short stay of the bag section 21 in the transfer station 31 is done by clamping the weld seam 60 between the jaws 76, 77 further cooling the weld 60.

Claims (13)

Vorrichtung zum Herstellen und vorzugsweise auch zum Befüllen und Verschließen von Säcken aus thermoplastischem Kunststoff
mit einer Vorzugseinrichtung (6) zum intermittierenden Vorziehen einer Schlauchfolienbahn (5) aus thermoplastischem Kunststoff und zu deren hängendem Vorschieben in vertikaler Richtung durch eine Querschweiß- und Querschneideinrichtung (15), die das vorauslaufende Ende der Schlauchfolienbahn mit einer Querschweißnaht (60) versieht und von dieser oberhalb einer Greif- und Transporteinrichtung (26) einen Schlauchabschnitt (21) abtrennt,
dadurch gekennzeichnet, daß parallel zur Vorschubbahn der Schlauchfolienbahn (21) eine Wand (62) vorgesehen und oberhalb der Wand oder in deren oberem Bereich in Vorschubrichtung weisende Blasluftdüsen (61) zwischen der Wand (62) und der Vorschubbahn für die Schlauchfolienbahn (5) angeordnet sind.Device for producing and preferably also for filling and closing bags made of thermoplastic material
with a preferred device (6) for the intermittent pulling of a tubular film web (5) made of thermoplastic material and for its hanging advancement in the vertical direction by means of a cross-welding and cross-cutting device (15) which provides the leading end of the tubular film web with a cross-weld seam (60) and from this separates a hose section (21) above a gripping and transport device (26),
characterized in that a wall (62) is provided parallel to the feed path of the tubular film web (21) and blow air nozzles (61) are arranged above the wall or in its upper region in the feed direction between the wall (62) and the feed path for the tubular film web (5) are. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Blasluftdüsen (61) aus einer Reihe von Blasluftdüsen oder einem langgestreckten Düsenspalt bestehen.Apparatus according to claim 1, characterized in that the blown air nozzles (61) consist of a series of blown air nozzles or an elongated nozzle gap. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß im Endbereich der Vorschubstrecke die Bodenschweißnaht (60) kühlende Backen (72, 73) vorgesehen sind.Apparatus according to claim 1 or 2, characterized in that the bottom weld seam (60) cooling jaws (72, 73) are provided in the end region of the feed section. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Backen aus einer feststehenden Backe (70) und einer zangenartig verschwenkbaren Backe (72) bestehen.Device according to one of claims 1 to 3, characterized in that the jaws consist of a fixed jaw (70) and a jaw (72) which can be swiveled like a forceps. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß mindestens eine der Backen (70, 72) mit auf die Bodenschweißnaht (60) gerichteten Blasluftdüsen (73, 74) versehen ist.Apparatus according to claim 3 or 4, characterized in that at least one of the jaws (70, 72) is provided with blowing air nozzles (73, 74) directed towards the bottom weld seam (60). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die der Kühlung dienenden Backen (70, 72) an dem Träger (55) eines die gefüllten Säcke abfördernden Förderbandes (51) angeordnet sind.Device according to one of the preceding claims, characterized in that the jaws (70, 72) used for cooling are arranged on the carrier (55) of a conveyor belt (51) which conveys the filled sacks. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der Träger (55) des Förderbandes (51) heb- und absenkbar ist.Apparatus according to claim 6, characterized in that the carrier (55) of the conveyor belt (51) can be raised and lowered. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Zangen querverschieblich oder schwenkbar im Maschinengestell gelagert sind und die abgetrennten Sackabschnitte bzw. Säcke jeweils um eine Taktstrecke fördern. Device according to one of the preceding claims, characterized in that the tongs are mounted in the machine frame so as to be displaceable or pivotable, and to convey the separated bag sections or bags by one cycle distance each. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß etwa im-Taktabstand von den Kühlbacken (70, 72) ein zweites Kühlbackenpaar (76, 77) vorgesehen ist, von denen mindestens eine Backe (76) gekühlt ist.Device according to one of the preceding claims, characterized in that a second pair of cooling jaws (76, 77) is provided approximately at intervals between the cooling jaws (70, 72), at least one jaw (76) of which is cooled. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Backen (76, 77) an einer mit dem Träger (55) für das Förderband verbundenen Konsole (64) befestigt sind.Apparatus according to claim 9, characterized in that the jaws (76, 77) are attached to a bracket (64) connected to the carrier (55) for the conveyor belt. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Länge der Wand (62) an die Höhe des Trägers (55) des Förderbandes (51) anpaßbar ist.Device according to one of the preceding claims, characterized in that the length of the wall (62) can be adapted to the height of the carrier (55) of the conveyor belt (51). Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Wand (62) aus einer flexiblen Bahn besteht, deren unteres Ende an dem Träger oder an einer mit diesem verbundenen Konsole (64) befestigt ist und daß die Bahn (62) zwischen einer oberen Umlenkstange (65) oder Umlenkkante und einer Befestigung ihres unteren Endes (66) an dem Maschinengestell in eine Schlaufe (67) gelegt und in die Schlaufe ein Gewicht, z.B. eine Stange (68), eingelegt ist.Device according to one of the preceding claims, characterized in that the wall (62) consists of a flexible sheet, the lower end of which is fastened to the support or to a bracket (64) connected thereto and that the sheet (62) is between an upper one Deflection rod (65) or deflection edge and a fastening of its lower end (66) to the machine frame in a loop (67) and a weight, for example a rod (68), is inserted into the loop. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Wand aus einander überlappenden Wandabschnitten besteht, von denen der obere Abschnitt gestellfest gehalten und der untere Abschnitt an dem Träger befestigt ist.Device according to one of claims 1 to 11, characterized in that the wall consists of overlapping wall sections, of which the upper section is fixed to the frame and the lower section is fastened to the carrier.
EP00106384A 2000-10-24 2000-10-24 Device for making and preferably filling and closing of thermoplastic bags Expired - Lifetime EP1201539B1 (en)

Priority Applications (3)

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ES00106384T ES2251901T3 (en) 2000-10-24 2000-10-24 DEVICE FOR MANUFACTURING AND, PREFERIBLY, ALSO TO FILL AND CLOSE SACKS OF THERMOPLASTIC SYNTHETIC MATERIAL.
AT00106384T ATE313483T1 (en) 2000-10-24 2000-10-24 DEVICE FOR PRODUCING AND PREFERABLY ALSO FOR FILLING AND CLOSING BAGS MADE OF THERMOPLASTIC PLASTIC
EP00106384A EP1201539B1 (en) 2000-10-24 2000-10-24 Device for making and preferably filling and closing of thermoplastic bags

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2186470A1 (en) * 1999-05-04 2003-05-01 Windmoeller & Hoelscher Machine for machining and/or manufacturing objects has machine frame with apertures on both sides in which operating console and cover are mounted on opposite sides
US8087215B2 (en) 2006-05-12 2012-01-03 Windmoeller & Hoelscher Kg Forming, filling and sealing machine, and methods for producing, filing and closing bags
DE102013105603A1 (en) 2013-05-31 2014-12-18 Windmöller & Hölscher Kg TRANSPORT DEVICE FOR TRANSPORTING A BAG IN A BAG FILLING
US10046878B2 (en) 2010-04-29 2018-08-14 Windmoeller & Hoelscher Kg Method and device for producing and filling packaging means
WO2019158386A1 (en) * 2018-02-19 2019-08-22 Windmöller & Hölscher Kg Filling device and method for filling bags with a respective unsealed upper end
CN111971230A (en) * 2018-02-19 2020-11-20 温德莫勒及霍尔希尔公司 Filling device and method for filling bags with one respective unsealed upper end

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014892A1 (en) 2007-03-26 2008-10-02 Windmöller & Hölscher Kg Sack filling process on a form, fill and seal machine
DE102007014890A1 (en) 2007-03-26 2008-10-02 Windmöller & Hölscher Kg Weighing method for a form, fill and seal machine
DE102011015491B3 (en) 2011-03-29 2012-06-06 Windmöller & Hölscher Kg Method for transversely welding plastic hoses and device for forming and closing sacks
US10029407B2 (en) 2014-12-04 2018-07-24 Big Heart Pet, Inc. Apparatus, processes, and systems for heat sealing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2079851A5 (en) * 1970-02-16 1971-11-12 Fara Pierre
US3948019A (en) * 1973-01-15 1976-04-06 Siegrheinische Registrierwaagenfabrik "Fix" Peter Steimel Kg Apparatus for the fully automatic production of filled, gusseted bags of plastic
GB1507176A (en) * 1974-04-13 1978-04-12 Haver & Boecker Bag forming and handling apparatus
US4510736A (en) * 1981-05-13 1985-04-16 Haver & Becker Machine for filling and closing bags of synthetic plastic material
EP0844175A1 (en) * 1996-05-08 1998-05-27 Payper, S.A. Improvements to self-contained sacking machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2079851A5 (en) * 1970-02-16 1971-11-12 Fara Pierre
US3948019A (en) * 1973-01-15 1976-04-06 Siegrheinische Registrierwaagenfabrik "Fix" Peter Steimel Kg Apparatus for the fully automatic production of filled, gusseted bags of plastic
GB1507176A (en) * 1974-04-13 1978-04-12 Haver & Boecker Bag forming and handling apparatus
US4510736A (en) * 1981-05-13 1985-04-16 Haver & Becker Machine for filling and closing bags of synthetic plastic material
EP0844175A1 (en) * 1996-05-08 1998-05-27 Payper, S.A. Improvements to self-contained sacking machines

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2186470A1 (en) * 1999-05-04 2003-05-01 Windmoeller & Hoelscher Machine for machining and/or manufacturing objects has machine frame with apertures on both sides in which operating console and cover are mounted on opposite sides
US8087215B2 (en) 2006-05-12 2012-01-03 Windmoeller & Hoelscher Kg Forming, filling and sealing machine, and methods for producing, filing and closing bags
US10046878B2 (en) 2010-04-29 2018-08-14 Windmoeller & Hoelscher Kg Method and device for producing and filling packaging means
DE102010028394B4 (en) 2010-04-29 2019-05-23 Windmöller & Hölscher Kg Method and device for producing and filling packaging materials
DE102013105603A1 (en) 2013-05-31 2014-12-18 Windmöller & Hölscher Kg TRANSPORT DEVICE FOR TRANSPORTING A BAG IN A BAG FILLING
DE102013105603B4 (en) * 2013-05-31 2017-11-16 Windmöller & Hölscher Kg TRANSPORT DEVICE FOR TRANSPORTING A BAG IN A BAG FILLING
DE102013105603B9 (en) 2013-05-31 2018-03-15 Windmöller & Hölscher Kg TRANSPORT DEVICE FOR TRANSPORTING A BAG IN A BAG FILLING
WO2019158386A1 (en) * 2018-02-19 2019-08-22 Windmöller & Hölscher Kg Filling device and method for filling bags with a respective unsealed upper end
CN111971230A (en) * 2018-02-19 2020-11-20 温德莫勒及霍尔希尔公司 Filling device and method for filling bags with one respective unsealed upper end
US20200369417A1 (en) * 2018-02-19 2020-11-26 Windmöller & Hölscher Kg Filling Device and Method for Filling Bags with a Respective Unsealed Upper End
US11591123B2 (en) 2018-02-19 2023-02-28 Windmöller & Hölscher Kg Filling device and method for filling bags with a respective unsealed upper end
CN111971230B (en) * 2018-02-19 2023-11-03 温德莫勒及霍尔希尔公司 Filling device and method for filling bags with an open top end

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EP1201539B1 (en) 2005-12-21
ATE313483T1 (en) 2006-01-15
ES2251901T3 (en) 2006-05-16

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