WO2003016186A1 - Device for cutting through a running material web and for fixing the following web beginning to a winding tube - Google Patents

Device for cutting through a running material web and for fixing the following web beginning to a winding tube Download PDF

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Publication number
WO2003016186A1
WO2003016186A1 PCT/EP2002/008720 EP0208720W WO03016186A1 WO 2003016186 A1 WO2003016186 A1 WO 2003016186A1 EP 0208720 W EP0208720 W EP 0208720W WO 03016186 A1 WO03016186 A1 WO 03016186A1
Authority
WO
WIPO (PCT)
Prior art keywords
winding
web
winding tube
roller
tube
Prior art date
Application number
PCT/EP2002/008720
Other languages
German (de)
French (fr)
Inventor
Franz Plasswich
Original Assignee
Windmöller & Hölscher 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 Windmöller & Hölscher Kg filed Critical Windmöller & Hölscher Kg
Priority to AT02794749T priority Critical patent/ATE310698T1/en
Priority to DE50205055T priority patent/DE50205055D1/en
Priority to EP02794749A priority patent/EP1423323B1/en
Publication of WO2003016186A1 publication Critical patent/WO2003016186A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4146—Winding involving particular drive arrangement
    • B65H2301/41466—Winding involving particular drive arrangement combinations of drives
    • B65H2301/41468—Winding involving particular drive arrangement combinations of drives centre and nip drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means

Definitions

  • the invention relates to a device for severing a web of material running to a driven winding roll and for fixing the trailing start of the web on a winding core or a winding tube with a winding roller leading the web to the winding roll, to which a winding tube can be adjusted, with a knife cutting the web and with means for redirecting the start of the web from the winding roller to the driven winding tube.
  • Continuously produced material webs for example flat-lying tubular webs produced in a blown film line or single-layer webs made of thermoplastic material, must be wound up into winding rolls for storage and handling.
  • the web running to a winding roll must be cut after the winding of a winding roll has been finished and the beginning of the web of the trailing web must be set for winding on a winding core or a winding tube in order to be able to continue the winding process without disturbing or redirecting the continuously fed web. It is known to wind up the beginning of a web to be wound into a winding roll on a winding tube which is provided with an adhesive application to fix the beginning of the web.
  • a known device for adhesive-free winding of a beginning of a web on a winding core or a winding tube consists of a winding tube attached to a feed roller provided with suction bores in its jacket, onto which, after the web has been severed, the beginning of the web thus formed is wound up by the fact that in the nip a suction box is inserted between the feed roller and the winding tube, which is provided on an extended edge with a knife that cuts the web and then on the blade with a shell-shaped curved wall that forms a shell-shaped curved channel with a region of the circumference of the winding tube whose front end in the area of the nip is sucked in air by the suction box in such a way that the beginning of the web is sucked into the guide channel, and thereby is fixed to the winding tube that the beginning of the web enters the gap between the feed roller
  • the object of the invention is to provide a device of the type specified at the outset which, in a structurally simpler manner, enables a cut-out beginning of the web to be wound onto a winding tube in a structurally simpler manner.
  • this object is achieved in a device of the type mentioned in the introduction that in the nips between the winding roller and the winding sleeve attached to it, pliers-like deflection rollers mounted on supports can be moved in, via which at least one endless belt runs, which runs when the deflection rollers are retracted into the Nip spanned the part of the winding tube facing away from the winding roller, and that the winding roller with one out a separating knife which is extendable on a surface line and is provided in the direction of rotation behind the separating knife with a beginning of the path formed by the separating cut into the gap between the winding tube and the device which initiates the belt running over the deflecting roller.
  • the band spanning the winding tube or the bands spanning this firmly presses the beginning of the web onto the circumference of the winding tube, the web beginning emerging from the other gap between the winding tube and the band running over the other deflection roller into the gap between the winding tube and the web of material running onto this is introduced so that the beginning of the web is fixed on the winding tube after wrapping.
  • a particular problem with the winding of winding cores or winding cores with a start of the web is, however, that the webs to be wound into winding rolls are asymmetrical, which means that they have sides with different properties. Depending on the further processing of the webs wound into winding rolls, it is therefore desirable for one or the other side to be on the outside of the winding roll. In order to be able to produce winding rolls on which the webs are wound with alternating outer sides, i.e.
  • the winding roller and The winding tube or the winding core for winding the web with changing outer sides can be driven onto the winding tube with opposite conveying directions and that on both sides of the cutting knife the beginning of the web formed by the separating cut is provided in the nip between the winding tube and the tape leading through the deflection roller onto the winding tube ,
  • the supports supporting the deflection rollers on a support frame which can be moved in the direction of the winding roller and in the opposite direction are pivotably mounted tong-like arms which can be pivoted towards and away from one another by a drive.
  • the winding sleeve to be rewound in each case can be brought into contact with the winding roller by known devices and then enclosed by the band wrapping around it.
  • the support frame is provided with deflection rollers and tensioning rollers for the endless belts.
  • the arms are expediently angled and deflection rollers are mounted in the angular ranges, over which the endless belts run.
  • the device introducing the beginning of the web into the nip consists of blowing nozzles arranged in the jacket of the winding roller.
  • the blowing nozzles are acted upon by blowing air, which can be supplied through a rotary leadthrough, so that the blowing air blows the cut-off beginning of the web into the gusset gap between the winding sleeve and the one above the deflection rollers Introduces the wall onto the winding tube.
  • a device for supplying the blown air nozzles with suction air is provided, which is suddenly switched to blown air by a corresponding control when the cut-out beginning of the web is to be introduced into the gusset gap.
  • FIG. 1 is a perspective view of a device for winding webs into winding rolls with the winding device according to the invention in a schematic representation
  • FIG. 2 shows a section through the winding roller according to FIG. 1 with a winding tube attached to it
  • FIG. 3 shows a representation corresponding to FIG. 2 immediately before performing the separating cut on the material web running over the winding roller
  • FIG. 4 shows a representation corresponding to FIG. 3 after the separating cut has been carried out and the cut-away beginning of the web has been redirected to the winding tube
  • FIG. 5 shows a representation corresponding to FIG. 4, in which the beginning of the web has wrapped around the winding tube almost once
  • FIG. 6 shows a representation corresponding to FIG. 5, in which the winding process of the winding tube is ended
  • 7 shows a representation corresponding to FIG. 6 while the tape is partially wrapping around the winding tube
  • FIG. 8 is an illustration corresponding to FIG. 7, in which the device carrying the wrapping straps has moved away from the wrapping sleeve, and
  • FIG. 9 is a side view of the device carrying the winding sleeve wrapping around the winding sleeve in its winding position.
  • FIG. 1 shows the perspective illustration of a device 1 for winding material webs, for example film webs, into winding rolls 2 in a schematic form.
  • the material web not shown in FIG. 1, is fed to the winding roller 2 via guide and deflection rollers, not shown, via the winding roller 3.
  • the winding roller 3 is designed as a suction, blowing and knife cylinder, as will be described in more detail below. In the illustration shown in FIG.
  • the winding roll 2 is almost completely wound, so that a roll change is imminent, which is carried out by severing the web running to the winding roll 2, the beginning of the web formed by the separating cut onto the winding tube 4 in its ready position wound, the completely wound winding roll is moved out of its winding position and removed by pivoting the swivel arms 5 carrying the winding roll, and then the wound winding tube 4 is transferred into its winding position, in which it is supported between the pivoted-back support arms 5.
  • the feeding of the winding tubes 4 from the magazine 6 (see FIG. 8) for winding tubes into their winding position shown in FIG. 1, placed on the winding roller 3, the transfer of the wound winding tubes 4 into their winding position between the support arms 5 and the removal of the Completely wound winding rolls are carried out in a known manner, which is described, for example, in DE 39 03 270 C2 and is not described in more detail here because it does not belong to the present invention.
  • the continuously supplied web of material 8, which is fed to the winding roller 3 by guide and deflection rollers, runs onto the winding roller 2 via said winding core, the winding core or the winding tube and the winding roller forming on this being driven directly against the winding roller 3 to drive it can.
  • winding roll that forms is driven directly by the winding roller 3, it is a so-called contact winder.
  • the winding roll can also be formed by a so-called gap winder, in which the winding roll or its winding core or the winding tube is provided with its own drive.
  • the winding roller 3 is mounted in the illustrated manner in side parts 7 of the frame.
  • the devices supporting the winding tube 4 are of a known type and are therefore not shown.
  • the winding sleeve 4 which is engaged by the winding roller 3, at a time at which the material web 8 is still running over the winding roller 3 to the winding roller 2.
  • the winding sleeve 4 is partially wrapped in a group of endless winding tapes 9, which run in a frame 10 over deflection rollers 11, tensioning rollers 12 and pivotable deflection rollers 13.
  • the frame 10 consists of carriers running parallel to the axis of the winding roller 3, which are connected to one another by support plates 14, on which deflection rollers 11 for the endless winding tapes 9 are mounted.
  • angled arms 16 are mounted on the support plates 14 about pivot axes 15 parallel to the axis of the winding roller 3 and which are provided with inwardly angled end pieces 17, at the free ends of which the pivotable deflection rollers 13 are mounted. In the angular range between the arms 16 and the end pieces 17, further deflection rollers 18 for the endless winding bands 9 are mounted.
  • Each support plate 14 is connected to a pneumatic cylinder 19, the piston rod 20 of which carries a plate 21 on which the tensioning roller 12 is mounted in a bearing block 22.
  • the pneumatic cylinder 19 is preferably a pneumatic cylinder pressurized with compressed air on one side. The pneumatic cylinder is actively pressurized with compressed air to generate the required pretension on the winding tapes.
  • the plate 21 carries lateral guide rods 23 which are guided in guide bushes 24 connected to the support plate 14. 9, the tensioning roller 12 is shown in an extended position, which corresponds, for example, to the position of the arms 16 according to FIG. 8, in which the endless winding tapes 9 do not wrap around the winding tube 4.
  • the frame 10 is guided in the winder frame, of which only the side parts 7 are shown, parallel to itself in a longitudinally displaceable manner, in such a way that the displacement takes place in the central plane 26 of the frame 10, which is caused by the diameter planes of the winding tube 4 in their winding position and the winding roll 3 runs.
  • the winding roller 3 which is designed as a suction, blowing and knife cylinder, is provided in its interior with a radially extendable separating knife (not shown), preferably provided with a serrated cutting edge, which has a continuous or interrupted slot 30 in which to cut the material web running over the winding roller 3 Jacket of the winding roller interspersed.
  • a plurality of rows of bores 31 are provided in the jacket of the winding roller 3 behind the knife slots 30, which open into a box 32 which is provided with a connection 33 for suction air and a connection 34 for blown air.
  • a roll change takes place with the roll change device according to the invention as follows:
  • the stand 10 Before the roll change, the stand 10 is in its ready position shown in FIG. 8 above the winding tube 4 moved into its winding position. To prepare the roll change, the stand 10 is then moved from its position shown in FIG. 8 to its position shown in FIG. 2 method. During this process, the family of winding tapes 9 is supported on the winding sleeve 4, so that they loop around the winding sleeve 4 during their movement from the position shown in FIG. 8 to the position shown in FIG. 2. With this looping, the pivotable deflection rollers 13 with the arms 16 are first pivoted outward against the force of the turntable 29 before they move together inward with the lowering of the frame 10, as can be seen from FIG. 2.
  • the turntable 29 is moved in a controlled manner by a controlled motor, a rotating cylinder or another suitable drive device.
  • the winding tapes 9 are held under tension by the tensioning rollers 12 in that the pneumatic cylinders 19 exert the required tensioning force thereon.
  • the tensioning rollers 12 move out of their upper position 12 'shown in FIG. 9.
  • the separating cut is made during the next pass through the knife gap 30 or one of the next passes through the knife gap 30 by extending the knife over the gap by a control, not shown, in the area between the contact or the closest approach of the winding tube 4 to the winding roller 3.
  • FIG. 3 shows the position of the knife gap 30 immediately before the separating cut is made, which takes place before the knife gap 30 has passed under the pivotable deflection roller 13.
  • the trend cut has already been carried out and the new web start 32 formed by the separating cut has already entered the gusset gap between the winding tube 4 and the winding tapes 9 running from the pivotable deflection roller 13 ,
  • the introduction in this winding nip is effected in that the box is supplied in the moment in 'the direction of the position shown in Fig.
  • the position of the frame 10 shown in FIG. 7 corresponds to that shown in FIG. 6.
  • the frame 10 In the position shown in FIG. 8, the frame 10 has moved upwards into its ready position, in which it remains until the next winding operation. 8, the wound winding tube 4 is then passed in a known manner to the arms 5 of the winding frame, in which the film winding 2 is then finished wound.
  • a second box 32 with connections for blowing and suction air is provided approximately mirror-image to the knife gap 30, with the control of this suction then - And blown air takes place in such a way that after reversing the directions of rotation of the winding roller and the winding tube 4, the cut-off beginning of the web is introduced into the other winding gap.

Abstract

The invention relates to a device for cutting through a web running to a driven winding roll and for fixing the following web beginning to a winding core or to a winding tube. Said device comprises a winding roller, which leads to the winding roll and against which a winding tube can be placed, a blade that cuts through the web, and comprises means for diverting the web beginning from the winding roller to the driven winding tube. In order to permit, in a simple manner, a web beginning that is cut free to be wound onto a winding tube without applying adhesive, deflection rollers, which are mounted on supports like a pair of tongs, can be moved into the roller gaps between the winding roller and the winding tube that is placed against the same. At least one endless belt runs over said deflection rollers and, as the deflection rollers are moved into the roller gaps (10), it encompasses part of the winding tube facing away from the winding roller. The winding roller is provided with a cutting blade that can be extended out of a slot located on a surface line and, in the direction of rotation behind the cutting blade, is provided with a device, which introduces the web beginning formed by the separated section into the gap located between the winding tube and the belt that runs over the deflection rollers and onto the winding tube.

Description

Windmöller & Hölscher KG D-49525 Lengerich/Westf. Windmöller & Hölscher KG D-49525 Lengerich / Westf.
Vorrichtung zum Durchtrennen einer laufenden Materialbahn und zum Festlegen des nachlaufenden Bahnanfangs auf einer WickelhülseDevice for severing a running material web and for determining the trailing start of the web on a winding tube
Die Erfindung betrifft eine Vorrichtung zum Durchtrennen einer zu einer angetriebenen Wickelrolle laufenden Materialbahn und zum Festlegen des nachlaufenden Bahnanfangs auf einem Wickelkern oder einer Wickelhülse mit einer die Bahn zu der Wickelrolle führenden Wickelwalze, an die eine Wickelhülse anstellbar ist, mit einem die Bahn durchtrennenden Messer und mit Mitteln zum Umleiten des Bahnanfangs von der Wickelwalze auf die angetriebene Wickelhülse.The invention relates to a device for severing a web of material running to a driven winding roll and for fixing the trailing start of the web on a winding core or a winding tube with a winding roller leading the web to the winding roll, to which a winding tube can be adjusted, with a knife cutting the web and with means for redirecting the start of the web from the winding roller to the driven winding tube.
Kontinuierlich hergestellte Materialbahnen, beispielsweise in einer Blasfolienanlage hergestellte flachliegende Schlauchbahnen oder einlagige Bahnen aus thermoplastischem Kunststoff, müssen zur Speicherung und Handhabung zu Wickelrollen aufgewickelt werden. Hierbei muß die jeweils zu einer Wickelrolle laufenden Bahn nach dem Fertigwickeln einer Wickelrolle durchtrennt und der Bahnanfang der nachlaufenden Bahn zum Anwickeln auf einen Wickelkern oder einer Wickelhülse festgelegt werden, um den Wickelvorgang ohne Störung oder Umleitung der kontinuierlich zugeführten Bahn fortsetzen zu können. Es ist bekannt, den Anfang einer zu einer Wickelrolle aufzuwickelnden Bahn auf eine Wickelhülse aufzuwickeln, die zum Festlegen des Bahnanfangs mit einem Klebstoffauftrag versehen ist.Continuously produced material webs, for example flat-lying tubular webs produced in a blown film line or single-layer webs made of thermoplastic material, must be wound up into winding rolls for storage and handling. Here, the web running to a winding roll must be cut after the winding of a winding roll has been finished and the beginning of the web of the trailing web must be set for winding on a winding core or a winding tube in order to be able to continue the winding process without disturbing or redirecting the continuously fed web. It is known to wind up the beginning of a web to be wound into a winding roll on a winding tube which is provided with an adhesive application to fix the beginning of the web.
Um diesen mit einem zusätzlichen Aufwand aufzubringenden Klebstoffauftrag zu vermeiden, sind auch Vorrichtungen zum kleberlosen Anwickeln von Bahnen auf Wickelhülsen bekannt. Eine bekannte Vorrichtung zum kleberlosen Anwickeln eines Bahnanfangs auf einen Wickelkern oder eine Wickelhülse besteht aus einer an eine mit Saugbohrungen in ihrem Mantel versehene Zuführungswalze angestellte Wik- kelhülse, auf die nach dem Durchtrennen der Bahn der dadurch gebildete Bahnanfang dadurch aufgewickelt wird, daß in den Walzenspalt zwischen der Zuführungswalze und der Wickelhülse ein Saugkasten eingefahren wird, der an einer verlängerten Kante mit einem die Bahn durchtrennenden Messer und anschließend an das Messer mit einer schalenförmig gekrümmten Wand versehen ist, die mit einem Bereich des Umfangs der Wickelhülse einen schalenförmig gekrümmten Kanal bildet, an dessen vorderem Ende im Bereich des Walzenspalts durch den Saugkasten Luft in der Weise angesaugt wird, daß der Bahnanfang in den Führungskanal hineingesaugt, und dadurch an der Wickelhülse festgelegt wird, daß der Bahnanfang in den Spalt zwischen der Zuführungswalze und der Wickelhülse einläuft, in der er von der nachlaufenden Bahn überdeckt wird, so daß der Bahnanfang nach einer Windung auf der Wickelhülse festgelegt ist.In order to avoid this application of adhesive, which requires additional effort, devices for adhesive-free winding of webs onto winding cores are also known. A known device for adhesive-free winding of a beginning of a web on a winding core or a winding tube consists of a winding tube attached to a feed roller provided with suction bores in its jacket, onto which, after the web has been severed, the beginning of the web thus formed is wound up by the fact that in the nip a suction box is inserted between the feed roller and the winding tube, which is provided on an extended edge with a knife that cuts the web and then on the blade with a shell-shaped curved wall that forms a shell-shaped curved channel with a region of the circumference of the winding tube whose front end in the area of the nip is sucked in air by the suction box in such a way that the beginning of the web is sucked into the guide channel, and thereby is fixed to the winding tube that the beginning of the web enters the gap between the feed roller and the winding tube uft in which it is covered by the trailing web, so that the beginning of the web is fixed after a turn on the winding tube.
Aufgabe der Erfindung ist es, eine Vorrichtung der eingangs angegebenen Art zu schaffen, die in baulich einfacherer Weise ohne einen Klebstoffauftrag das Anwik- keln eines freigeschnittenen Bahnanfangs auf eine Wickelhülse ermöglicht.The object of the invention is to provide a device of the type specified at the outset which, in a structurally simpler manner, enables a cut-out beginning of the web to be wound onto a winding tube in a structurally simpler manner.
Erfindungsgemäß wird diese Aufgabe bei einer Vorrichtung der eingangs angegebenen Art dadurch gelöst, daß in die Walzenspalte zwischen der Wickelwalze und der an diese angestellten Wickelhülse zangenartig an Trägern gelagerte Umlenkrollen einfahrbar sind, über die mindestens ein endloses Band läuft, das beim Einfahren der Umlenkwalzen in den Walzenspalt den von der Wickelwalze abgewandten Teil der Wickelhülse umspannt, und daß die Wickelwalze mit einem aus einem auf einer Mantellinie liegenden Schlitz ausfahrbaren Trennmesser und in Drehrichtung hinter dem Trennmesser mit einer den durch den Trennschnitt gebildeten Bahnanfang in den Spalt zwischen der Wickelhülse und dem über die Umlenkrolle laufenden Band einleitenden Einrichtung versehen ist. In der erfindungsgemäßen Vorrichtung drückt das die Wickelhülse umspannende Band oder die diese umspannenden Bänder den Bahnanfang fest auf den Umfang der Wickelhülse an, wobei der aus dem anderen Spalt zwischen der Wickelhülse und dem über die andere Umlenkrolle laufenden Band austretende Bahnanfang in den Spalt zwischen der Wickelhülse und dem auf diese auflaufenden Materialbahn eingeführt wird, so daß der Bahnanfang auf der Wickelhülse nach einer Umschlingung festgelegt ist.According to the invention, this object is achieved in a device of the type mentioned in the introduction that in the nips between the winding roller and the winding sleeve attached to it, pliers-like deflection rollers mounted on supports can be moved in, via which at least one endless belt runs, which runs when the deflection rollers are retracted into the Nip spanned the part of the winding tube facing away from the winding roller, and that the winding roller with one out a separating knife which is extendable on a surface line and is provided in the direction of rotation behind the separating knife with a beginning of the path formed by the separating cut into the gap between the winding tube and the device which initiates the belt running over the deflecting roller. In the device according to the invention, the band spanning the winding tube or the bands spanning this firmly presses the beginning of the web onto the circumference of the winding tube, the web beginning emerging from the other gap between the winding tube and the band running over the other deflection roller into the gap between the winding tube and the web of material running onto this is introduced so that the beginning of the web is fixed on the winding tube after wrapping.
Ein besonderes Problem bei der Anwicklung von Wickelkernen oder Wickelhülsen mit einem Bahnanfang besteht jedoch darin, daß die zu Wickelrollen aufzuwickelnden Bahnen asymmetrisch sind, was bedeutet, daß sie Seiten mit unterschiedlichen Eigenschaften besitzen. Je nach der Weiterverarbeitung der zu Wickelrollen aufgewickelten Bahnen ist es daher erwünscht, daß die eine oder die andere Seite auf der Wickelrolle außen liegt. Um Wickelrollen herstellen zu können, auf denen die Bahnen mit wechselnden Außenseiten, also einmal mit der einen und zum anderen mit der anderen außen liegenden Seite aufgewickelt werden, ist es erforderlich, die Zuführungswalze und den Wickelkern oder die Wickelhülse mit entgegengesetzten Drehrichtungen anzutreiben, was es erforderlich macht, den durch Trennung der Bahn gebildeten Bahnanfang der Wickelhülse je nach Drehrichtung aus einander entgegengesetzten Richtungen von der Zuführungswalze zuzuführen. Eine derartige Zuführung des Bahnanfangs zu der Wickelhülse aus einander entgegengesetzten Richtungen ist bei der bekannten Vorrichtung nicht möglich.A particular problem with the winding of winding cores or winding cores with a start of the web is, however, that the webs to be wound into winding rolls are asymmetrical, which means that they have sides with different properties. Depending on the further processing of the webs wound into winding rolls, it is therefore desirable for one or the other side to be on the outside of the winding roll. In order to be able to produce winding rolls on which the webs are wound with alternating outer sides, i.e. one side and the other outer side, it is necessary to drive the feed roller and the winding core or the winding core in opposite directions of rotation, which is what it is makes it necessary to feed the beginning of the web formed by separating the web of the winding tube from the feed roller depending on the direction of rotation from opposite directions. Such a supply of the beginning of the web to the winding tube from opposite directions is not possible in the known device.
Um es zu ermöglichen, den Bahnanfang einer zu einer Wickelrolle aufzuwickelnden Bahn zu einem Wickelkern oder einer Wickelhülse in der Weise je nach Drehrichtung etwa tangential zuzuführen, daß die Bahn wahlweise mit der einen oder der anderen Seite ausliegend zu einer Wickelrolle aufgewickelt werden kann, ist in weiterer Ausgestaltung der Erfindung vorgesehen, daß die Wickelwalze und die Wickelhülse oder der Wickelkern zum Wickeln der Bahn mit wechselnden Außenseiten auf die Wickelhülse mit entgegengesetzten Förderrichtungen antreibbar sind und daß beidseits des Trennmessers den durch den Trennschnitt gebildeten Bahnanfang in den Walzenspalt zwischen der Wickelhülse und dem über die Umlenkrolle auf die Wickelhülse laufenden Band einleitende Einrichtungen vorgesehen sind.In order to enable the beginning of the web of a web to be wound into a winding roll to be fed approximately tangentially to a winding core or a winding tube in such a way, depending on the direction of rotation, that the web can optionally be wound with one side or the other lying exposed to a winding roll, in Another embodiment of the invention provides that the winding roller and The winding tube or the winding core for winding the web with changing outer sides can be driven onto the winding tube with opposite conveying directions and that on both sides of the cutting knife the beginning of the web formed by the separating cut is provided in the nip between the winding tube and the tape leading through the deflection roller onto the winding tube ,
Zweckmäßigerweise sind die die Umlenkrollen lagernden Träger an einem Traggestell, das in Richtung auf die Wickelwalze und in Gegenrichtung verfahrbar ist, schwenkbar gelagerte zangenartige Arme, die durch einen Antrieb in Richtung aufeinander zu und voneinander weg verschwenkbar sind. Auf diese Weise läßt sich die jeweils neu anzuwickelnde Wickelhülse durch bekannte Einrichtungen in Anlage an die Wickelrolle bringen und anschließend von dem diese umschlingenden Band einfassen.Expediently, the supports supporting the deflection rollers on a support frame which can be moved in the direction of the winding roller and in the opposite direction are pivotably mounted tong-like arms which can be pivoted towards and away from one another by a drive. In this way, the winding sleeve to be rewound in each case can be brought into contact with the winding roller by known devices and then enclosed by the band wrapping around it.
Das Traggestell ist in weiterer Ausgestaltung der Erfindung mit Umlenkrollen und Spannrollen für die endlosen Bänder versehen.In a further embodiment of the invention, the support frame is provided with deflection rollers and tensioning rollers for the endless belts.
Zweckmäßigerweise sind die Arme abgewinkelt und in den Winkelbereichen sind Umlenkrollen gelagert, über die die endlosen Bänder laufen.The arms are expediently angled and deflection rollers are mounted in the angular ranges, over which the endless belts run.
Nach einer bevorzugten Ausführungsform ist vorgesehen, daß die den Bahnanfang in den Walzenspalt einleitende Einrichtung aus in dem Mantel der Wickelwalze angeordneten Blasdüsen besteht. Sobald das Trennmesser auf der Wickelwalze den den neuen Bahnanfang bildenden Trennschnitt ausgeführt hat, werden die Blasdüsen mit Blasluft beaufschlagt, die durch eine Drehdurchführung zugeführt werden kann, so daß die Blasluft den freigeschnittenen Bahnanfang in den Zwickelspalt zwischen der Wickelhülse und dem über die Umlenkrollen der einen Seite auf die Wickelhülse auflaufenden Wand einleitet.According to a preferred embodiment it is provided that the device introducing the beginning of the web into the nip consists of blowing nozzles arranged in the jacket of the winding roller. As soon as the cutting knife on the winding roller has made the separation cut that forms the new start of the web, the blowing nozzles are acted upon by blowing air, which can be supplied through a rotary leadthrough, so that the blowing air blows the cut-off beginning of the web into the gusset gap between the winding sleeve and the one above the deflection rollers Introduces the wall onto the winding tube.
Um sicherzustellen, daß der freigeschnittene Bahnanfang vor Erreichen des Zwik- kelspalts nicht von der Wickelwalze abgezogen wird, ist in weiterer Ausgestaltung der Erfindung eine Einrichtung zur Beaufschlagung der Blasluftdüsen mit Saugluft vorgesehen, die durch eine entsprechende Steuerung schlagartig auf Blasluft umgeschaltet wird, wenn der freigeschnittene Bahnanfang in den Zwickelspalt einzuführen ist.In order to ensure that the cut-off beginning of the web is not pulled off the winding roller before reaching the double gap, a further embodiment is provided According to the invention, a device for supplying the blown air nozzles with suction air is provided, which is suddenly switched to blown air by a corresponding control when the cut-out beginning of the web is to be introduced into the gusset gap.
Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnung näher erläutert. In dieser zeigtEmbodiments of the invention are explained below with reference to the drawing. In this shows
Fig. 1 eine perspektivische Ansicht einer Vorrichtung zum Aufwickeln von Bahnen zu Wickelrollen mit der erfindungsgemäßen Anwickelvorrichtung in schematischer Darstellung,1 is a perspective view of a device for winding webs into winding rolls with the winding device according to the invention in a schematic representation,
Fig. 2 einen Schnitt durch die Wickelwalze nach Fig. 1 mit einer an diese angestellten Wickelhülse,2 shows a section through the winding roller according to FIG. 1 with a winding tube attached to it,
Fig. 3 eine der Fig. 2 entsprechende Darstellung unmittelbar vor Durchführung des Trennschnitts an der über die Wickelwalze laufenden Materialbahn,3 shows a representation corresponding to FIG. 2 immediately before performing the separating cut on the material web running over the winding roller,
Fig. 4 eine der Fig. 3 entsprechende Darstellung nach Durchführung des Trennschnitts und Umleitung des freigeschnittenen Bahnanfangs auf die Wickelhülse,4 shows a representation corresponding to FIG. 3 after the separating cut has been carried out and the cut-away beginning of the web has been redirected to the winding tube,
Fig. 5 eine der Fig. 4 entsprechende Darstellung, in der der Bahnanfang die Wickelhülse nahezu einmal umschlungen hat,5 shows a representation corresponding to FIG. 4, in which the beginning of the web has wrapped around the winding tube almost once,
Fig. 6 eine der Fig. 5 entsprechende Darstellung, in der der Anwickelvorgang der Wickelhülse beendet ist, Fig. 7 eine der Fig. 6 entsprechende Darstellung während des Abfahrens des die Wickelhülse teilweise umschlingenden Bandes,6 shows a representation corresponding to FIG. 5, in which the winding process of the winding tube is ended, 7 shows a representation corresponding to FIG. 6 while the tape is partially wrapping around the winding tube,
Fig. 8 eine der Fig. 7 entsprechende Darstellung, in der die die Wickelhülse umschlingenden Bänder tragende Einrichtung von der Wickelhülse abgefahren ist, undFIG. 8 is an illustration corresponding to FIG. 7, in which the device carrying the wrapping straps has moved away from the wrapping sleeve, and
Fig. 9 eine Seitenansicht der die Wickelhülse umschlingenden Bänder tragenden Einrichtung in ihrer Anwickelstellung.FIG. 9 is a side view of the device carrying the winding sleeve wrapping around the winding sleeve in its winding position.
Aus Fig. 1 ist die perspektivische Darstellung einer Vorrichtung 1 zum Aufwickeln von Materialbahnen, beispielsweise Folienbahnen, zu Wickelrollen 2 in schemati- scher Form ersichtlich. Die in Fig. 1 nicht dargestellte Materialbahn wird über nicht dargestellte Führungs- und Umlenkwalzen über die Wickelwalze 3 der Wickelrolle 2 zugeführt. Die Wickelwalze 3 ist als Saug-, Blas- und Messerzylinder ausgeführt, wie sie nachstehend noch näher beschrieben wird. In der aus Fig. 1 ersichtlichen Darstellung ist die Wickelrolle 2 nahezu fertiggewickelt, so daß ein Rollenwechsel bevorsteht, der dadurch vorgenommen wird, daß die zu der Wickelrolle 2 laufende Bahn durchtrennt, der durch den Trennschnitt gebildete Bahnanfang auf die in ihrer Bereitschaftsstellung befindliche Wickelhülse 4 angewickelt, die fertig gewickelte Wickelrolle durch Verschwenken der die Wickelrolle tragenden Schwenkarme 5 aus ihrer Wickelstellung herausbewegt und abgefördert und sodann die angewickelte Wickelhülse 4 in ihre Wickelstellung überführt wird, in der sie zwischen den zurückgeschwenkten Tragarmen 5 gelagert ist.1 shows the perspective illustration of a device 1 for winding material webs, for example film webs, into winding rolls 2 in a schematic form. The material web, not shown in FIG. 1, is fed to the winding roller 2 via guide and deflection rollers, not shown, via the winding roller 3. The winding roller 3 is designed as a suction, blowing and knife cylinder, as will be described in more detail below. In the illustration shown in FIG. 1, the winding roll 2 is almost completely wound, so that a roll change is imminent, which is carried out by severing the web running to the winding roll 2, the beginning of the web formed by the separating cut onto the winding tube 4 in its ready position wound, the completely wound winding roll is moved out of its winding position and removed by pivoting the swivel arms 5 carrying the winding roll, and then the wound winding tube 4 is transferred into its winding position, in which it is supported between the pivoted-back support arms 5.
Die Zuführung der Wickelhülsen 4 aus dem Magazin 6 (s. Fig. 8) für Wickelhülsen in ihre aus Fig. 1 ersichtliche, an die Wickelwalze 3 angestellten Wickelstellung, die Überführung der angewickelten Wickelhülsen 4 in ihre Wickelstellung zwischen den Tragarmen 5 und der Abtransport der fertiggewickelten Wickelrollen vollzieht sich in bekannter Weise, die beispielsweise in DE 39 03 270 C2 beschrieben ist und hier nicht näher beschrieben wird, weil sie nicht zu der vorliegenden Erfindung gehört. Die kontinuierlich zugeführte Materialbahn 8, die der Wickelwalze 3 durch Leit- und Umlenkwalzen zugeführt wird, läuft über diese auf die Wickelrolle 2 auf, wobei der Wickelkern oder die Wickelhülse und die sich auf dieser bildende Wickelrolle zu ihrem Antrieb unmittelbar an die Wickelwalze 3 angestellt sein kann. Wird die sich bildende Wickelrolle unmittelbar von der Wickelwalze 3 angetrieben, handelt es sich um einen sogenannten Kontaktwickler. Die Wickelrolle kann aber auch durch einen sogenannten Spalt-Wickler gebildet werden, bei dem die Wickelrolle oder deren Wickelkern oder die Wickelhülse mit einem eigenen Antrieb versehen ist.The feeding of the winding tubes 4 from the magazine 6 (see FIG. 8) for winding tubes into their winding position shown in FIG. 1, placed on the winding roller 3, the transfer of the wound winding tubes 4 into their winding position between the support arms 5 and the removal of the Completely wound winding rolls are carried out in a known manner, which is described, for example, in DE 39 03 270 C2 and is not described in more detail here because it does not belong to the present invention. The continuously supplied web of material 8, which is fed to the winding roller 3 by guide and deflection rollers, runs onto the winding roller 2 via said winding core, the winding core or the winding tube and the winding roller forming on this being driven directly against the winding roller 3 to drive it can. If the winding roll that forms is driven directly by the winding roller 3, it is a so-called contact winder. The winding roll can also be formed by a so-called gap winder, in which the winding roll or its winding core or the winding tube is provided with its own drive.
Die Wickelwalze 3 ist in der dargestellten Weise in Seitenteilen 7 des Gestells gelagert. Die die Wickelhülse 4 lagernden Einrichtungen sind bekannter Art und daher nicht dargestellt.The winding roller 3 is mounted in the illustrated manner in side parts 7 of the frame. The devices supporting the winding tube 4 are of a known type and are therefore not shown.
Aus Fig. 2 ist die die Wickelwalze 3 angestellte Wickelhülse 4 ersichtlich, und zwar zu einem Zeitpunkt, zu dem die Materialbahn 8 noch über die Wickelwalze 3 zu der Wickelrolle 2 läuft. Die Wickelhülse 4 ist von einer Schar von endlosen Anwickel- bändern 9 teilweise umschlungen, die in einem Gestell 10 über Umlenkrollen 11 , Spannrollen 12 und schwenkbare Umlenkrollen 13 laufen. Das Gestell 10 besteht aus parallel zur Achse der Wickelwalze 3 verlaufenden Trägern, die durch Tragplatten 14 miteinander verbunden sind, auf denen Umlenkrollen 11 für die endlosen Anwickelbänder 9 gelagert sind. Weiterhin sind an den Tragplatten 14 um zu der Achse der Wickelrolle 3 parallele Schwenkachsen 15 zangenartig gegensinnig verschwenkbare abgewinkelte Arme 16 gelagert, die mit nach innen hin abgewinkelten Endstücken 17 versehen sind, an deren freien Enden die schwenkbaren Umlenkrollen 13 gelagert sind. In dem Winkelbereich zwischen den Armen 16 und den Endstücken 17 sind weitere Umlenkrollen 18 für die endlosen Anwickelbänder 9 gelagert. Jede Tragplatte 14 ist mit einem Pneumatikzylinder 19 verbunden, deren Kolbenstange 20 eine Platte 21 trägt, auf der in einem Lagerbock 22 die Spannrolle 12 gelagert ist. Bei dem Pneumatikzylinder 19 handelt es sich vorzugsweise um einen einseitig druckluftbeaufschlagten Pneumatikzylinder. Der Pneumatikzylinder wird aktiv mit Druckluft beaufschlagt, um die erforderliche Vorspannung an den Wickelbändern zu erzeugen.2 shows the winding sleeve 4 which is engaged by the winding roller 3, at a time at which the material web 8 is still running over the winding roller 3 to the winding roller 2. The winding sleeve 4 is partially wrapped in a group of endless winding tapes 9, which run in a frame 10 over deflection rollers 11, tensioning rollers 12 and pivotable deflection rollers 13. The frame 10 consists of carriers running parallel to the axis of the winding roller 3, which are connected to one another by support plates 14, on which deflection rollers 11 for the endless winding tapes 9 are mounted. Furthermore, angled arms 16 are mounted on the support plates 14 about pivot axes 15 parallel to the axis of the winding roller 3 and which are provided with inwardly angled end pieces 17, at the free ends of which the pivotable deflection rollers 13 are mounted. In the angular range between the arms 16 and the end pieces 17, further deflection rollers 18 for the endless winding bands 9 are mounted. Each support plate 14 is connected to a pneumatic cylinder 19, the piston rod 20 of which carries a plate 21 on which the tensioning roller 12 is mounted in a bearing block 22. The pneumatic cylinder 19 is preferably a pneumatic cylinder pressurized with compressed air on one side. The pneumatic cylinder is actively pressurized with compressed air to generate the required pretension on the winding tapes.
Die Platte 21 trägt seitliche Führungsstangen 23, die in mit der Tragplatte 14 verbundenen Führungsbuchsen 24 geführt sind. In Fig. 9 ist die Spannrolle 12 in einer ausgefahrenen Stellung gezeigt, die beispielsweise der Stellung der Arme 16 nach Fig. 8 entspricht, in der die endlosen Anwickelbänder 9 die Wickelhülse 4 nicht umschlingen.The plate 21 carries lateral guide rods 23 which are guided in guide bushes 24 connected to the support plate 14. 9, the tensioning roller 12 is shown in an extended position, which corresponds, for example, to the position of the arms 16 according to FIG. 8, in which the endless winding tapes 9 do not wrap around the winding tube 4.
Das Gestell 10 ist in dem Wicklergestell, von dem nur die Seitenteile 7 dargestellt sind, parallel zu sich selbst längsverschieblich geführt, und zwar in der Weise, daß die Verschiebung in der Mittelebene 26 des Gestells 10 erfolgt, die durch die Durchmesserebenen der Wickelhülse 4 in ihrer Anwickelstellung und der Wickelrolle 3 verläuft.The frame 10 is guided in the winder frame, of which only the side parts 7 are shown, parallel to itself in a longitudinally displaceable manner, in such a way that the displacement takes place in the central plane 26 of the frame 10, which is caused by the diameter planes of the winding tube 4 in their winding position and the winding roll 3 runs.
Zur synchronen gegensinnigen Verschwenkung der Schwenkarme 16 sind diese unterhalb ihrer Gelenke 15 mit Koppelstangen 28 gelenkig verbunden, deren inneren Enden an einem drehbar gelagerten Doppelhebel oder einem Drehteller 29 angelenkt sind. Der Drehteller 29 ist mit einem federnden Element oder einem Antrieb versehen, der bestrebt ist, die Arme 13 nachgiebig nach außen zu verschwenken.For the synchronous opposite pivoting of the swivel arms 16, these are articulated below their joints 15 with coupling rods 28, the inner ends of which are articulated on a rotatably mounted double lever or a turntable 29. The turntable 29 is provided with a resilient element or a drive which endeavors to flexibly pivot the arms 13 outwards.
Die als Saug-, Blas- und Messerzylinder ausgebildete Wickelwalze 3 ist in ihrem Inneren mit einem nicht dargestellten radial ausfahrbaren, vorzugsweise mit einer gezackten Schneide versehenen Trennmesser versehen, das zum Durchtrennen der über die Wickelwalze 3 laufenden Materialbahn einen durchgehenden oder unterbrochenen Schlitz 30 in dem Mantel der Wickelwalze durchsetzt. In Drehrichtung A der Wickelwalze 3 sind in dem Mantel der Wickelwalze 3 hinter den Messerschlitzen 30 mehrere Reihen von Bohrungen 31 angebracht, die in einen Kasten 32 münden, der mit einem Anschluß 33 für Saugluft und einem Anschluß 34 für Blasluft versehen ist. Ein Rollenwechsel vollzieht sich mit der erfindungsgemäßen Rollenwechselvorrichtung folgendermaßen:The winding roller 3, which is designed as a suction, blowing and knife cylinder, is provided in its interior with a radially extendable separating knife (not shown), preferably provided with a serrated cutting edge, which has a continuous or interrupted slot 30 in which to cut the material web running over the winding roller 3 Jacket of the winding roller interspersed. In the direction of rotation A of the winding roller 3, a plurality of rows of bores 31 are provided in the jacket of the winding roller 3 behind the knife slots 30, which open into a box 32 which is provided with a connection 33 for suction air and a connection 34 for blown air. A roll change takes place with the roll change device according to the invention as follows:
Vor dem Rollenwechsel befindet sich das Gestell 10 in seiner aus Fig. 8 ersichtlichen Bereitschaftsstellung oberhalb der in ihre Anwickelstellung verfahrene Wickelhülse 4. Zur Vorbereitung des Rollenwechsels wird sodann das Gestell 10 aus seiner aus Fig. 8 ersichtlichen Stellung in seine aus Fig. 2 ersichtliche Stellung verfahren. Bei diesem Vorgang stützt sich die Schar der Anwickelbänder 9 auf der Wik- kelhülse 4 ab, so daß diese die Wickelhülse 4 bei ihrem Verfahren aus der aus Fig. 8 ersichtlichen Stellung in die aus Fig. 2 ersichtliche Stellung umschlingen. Bei dieser Umschlingung werden die schwenkbaren Umlenkrollen 13 mit den Armen 16 gegen die Kraft des Drehtellers 29 zunächst nach außen geschwenkt, bevor sie unter Absenkung des Gestells 10 nach innen hin zusammenfahren, wie es aus Fig. 2 ersichtlich ist. Der Drehteller 29 wird durch einen gesteuerten Motor, einen Drehzylinder oder eine andere geeignete Antriebseinrichtung in kontrollierter Weise bewegt. Bei diesem Vorgang werden die Anwickelbänder 9 durch die Spannrollen 12 dadurch unter Spannung gehalten, daß auf diese die Pneumatikzylinder 19 die erforderliche Spannkraft ausüben. Bei diesem Vorgang verfahren die Spannrollen 12 aus ihrer aus Fig. 9 ersichtlichen oberen Stellung 12'.Before the roll change, the stand 10 is in its ready position shown in FIG. 8 above the winding tube 4 moved into its winding position. To prepare the roll change, the stand 10 is then moved from its position shown in FIG. 8 to its position shown in FIG. 2 method. During this process, the family of winding tapes 9 is supported on the winding sleeve 4, so that they loop around the winding sleeve 4 during their movement from the position shown in FIG. 8 to the position shown in FIG. 2. With this looping, the pivotable deflection rollers 13 with the arms 16 are first pivoted outward against the force of the turntable 29 before they move together inward with the lowering of the frame 10, as can be seen from FIG. 2. The turntable 29 is moved in a controlled manner by a controlled motor, a rotating cylinder or another suitable drive device. In this process, the winding tapes 9 are held under tension by the tensioning rollers 12 in that the pneumatic cylinders 19 exert the required tensioning force thereon. In this process, the tensioning rollers 12 move out of their upper position 12 'shown in FIG. 9.
Sobald die verschwenkbaren Umlenkrollen ihre aus Fig. 2 ersichtliche Stellung in den Zwickelspalten zwischen der Wickelrolle 3 und der Wickelhülse 4 erreicht hat, erfolgt bei dem nächsten Durchlauf des Messerspalts 30 oder einem der nächsten Durchläufe des Messerspalts 30 der Trennschnitt durch Ausfahren des Messers über den Spalt hinaus durch eine nicht dargestellte Steuerung, und zwar in dem Bereich zwischen dem Kontakt oder der größten Annäherung der Wickelhülse 4 an die Wickelwalze 3.As soon as the pivotable deflection rollers have reached their position shown in FIG. 2 in the gusset gaps between the winding roller 3 and the winding sleeve 4, the separating cut is made during the next pass through the knife gap 30 or one of the next passes through the knife gap 30 by extending the knife over the gap by a control, not shown, in the area between the contact or the closest approach of the winding tube 4 to the winding roller 3.
Aus Fig. 3 ist die Stellung des Messerspalts 30 unmittelbar vor der Ausführung des Trennschnitts ersichtlich, der erfolgt, bevor der Messerspalt 30 unter der verschwenkbaren Umlenkrolle 13 hindurchgelaufen ist. In der aus Fig. 4 ersichtlichen Stellung des Messerspalts 30 unter der verschwenkbaren Umlenkrolle 13 ist der Trendschnitt bereits ausgeführt und der durch den Trennschnitt gebildete neue Bahnanfang 32 ist bereits in den Zwickelspalt zwischen der Wickelhülse 4 und den von der schwenkbaren Umlenkrolle 13 ablaufenden Wickelbändern 9 eingetreten. Die Einführung in diesen Wickelspalt erfolgt dadurch, daß durch den Stutzen 34 dem Kasten 32 in dem Moment in' Richtung der aus Fig. 4 ersichtlichen Pfeile Blasluft zugeführt wird, in dem der Messerspalt 30 die Stelle der größten Annäherung der Wickelhülse 4 an die Wickelwalze 3 durchlaufen hat. In diesem Moment erfolgt durch eine Steuerung schlagartig die Umsteuerung von Saugluft auf Blasluft, so daß der freigeschnittene Bahnanfang 32 der Materialbahn 8 von dem Umfang der Wickelwalze 3 abgehoben und in den Zwickelspalt eingeführt wird. Die vor der Beaufschlagung des Kastens 32 mit Blasluft an diesen angelegt Saugluft sorgt dafür, daß der Bahnanfang bei vorzeitigem Trennschnitt nicht von der Wickelwalze abgezogen wird.3 shows the position of the knife gap 30 immediately before the separating cut is made, which takes place before the knife gap 30 has passed under the pivotable deflection roller 13. In the position of the knife gap 30 shown in FIG. 4 under the pivotable deflection roller 13, the trend cut has already been carried out and the new web start 32 formed by the separating cut has already entered the gusset gap between the winding tube 4 and the winding tapes 9 running from the pivotable deflection roller 13 , The introduction in this winding nip is effected in that the box is supplied in the moment in 'the direction of the position shown in Fig. 4 arrows blowing air 32 through the nozzle 34, in which the knife gap 30, the point of closest approach of the winding tube 4 to the winding roller 3 has gone through At this moment, a reversal of suction air to blown air takes place suddenly by a control system, so that the cut-off beginning of the web 32 of the material web 8 is lifted from the circumference of the winding roller 3 and inserted into the gusset nip. The suction air applied to the box 32 before it is blown with air ensures that the beginning of the web is not pulled off the winding roller if the cut is premature.
Aus Fig. 5 ist die Situation ersichtlich, in der der Bahnanfang 32 die Wickelhülse 4 nahezu einmal vollständig umschlungen hat, so daß der Bahnanfang 32 in den Zwickelspalt zwischen der Wickelwalze 3 und der Wickelhülse 4 einläuft und dadurch durch Überlagerung der nächsten gewickelten Lage festgelegt wird.5 shows the situation in which the beginning of the web 32 has completely wrapped around the winding tube 4 almost once, so that the beginning of the web 32 runs into the gap between the winding roller 3 and the winding tube 4 and is thereby determined by superimposing the next wound position ,
Aus Fig. 6 ist die Situation ersichtlich, in der die Wickelhülse 4 durch mehrere Umschlingungen des Bahnanfangs angewickelt ist, so daß die Arme 16 und das diese tragende Gestell 10 durch Spreizen der Arme und Abfahren des Gestells 10 nach oben hin entfernt werden kann.From Fig. 6 the situation can be seen in which the winding tube 4 is wound by several wraps around the beginning of the web, so that the arms 16 and the frame 10 carrying them can be removed by spreading the arms and moving the frame 10 upwards.
Die aus Fig. 7 ersichtliche Stellung des Gestells 10 entspricht der aus Fig. 6 ersichtlichen.The position of the frame 10 shown in FIG. 7 corresponds to that shown in FIG. 6.
In der aus Fig. 8 ersichtlichen Stellung ist das Gestell 10 nach oben hin in seine Bereitschaftsstellung verfahren, in der es bis zum dem nächsten Anwickelvorgang verharrt. Aus der Fig. 8 heraus wird sodann die angewickelte Wickelhülse 4 in be- kannter Weise an die Arme 5 des Wickelgestells übergeben, in denen sodann der Folienwickel 2 fertiggewickelt wird.In the position shown in FIG. 8, the frame 10 has moved upwards into its ready position, in which it remains until the next winding operation. 8, the wound winding tube 4 is then passed in a known manner to the arms 5 of the winding frame, in which the film winding 2 is then finished wound.
Soll die Vorrichtung in der Weise betrieben werden, daß wahlweise ein Links- oder Rechtswickeln mit wechselnden Außenseiten der Materialbahn 8 stattfindet, ist etwa spiegelbildlich zu dem Messerspalt 30 ein zweiter Kasten 32 mit Anschlüssen für Blas- und Saugluft vorgesehen, wobei dann die Steuerung dieser Saug- und Blasluft in der Weise erfolgt, daß nach Umkehr der Drehrichtungen der Wickelwalze und der Wickelhülse 4 der freigeschnittene Bahnanfang in den anderen Wickelspalt eingeführt wird. If the device is to be operated in such a way that left or right winding with changing outer sides of the material web 8 takes place, a second box 32 with connections for blowing and suction air is provided approximately mirror-image to the knife gap 30, with the control of this suction then - And blown air takes place in such a way that after reversing the directions of rotation of the winding roller and the winding tube 4, the cut-off beginning of the web is introduced into the other winding gap.

Claims

Windmöller & Hölscher KG D-49525 Lengerich/Westf.Vorrichtung zum Durchtrennen einer laufenden Materialbahn und zum Festlegen des nachlaufenden Bahnanfangs auf einer WickelhülsePatentansprüche Windmöller & Hölscher KG D-49525 Lengerich / Westf.Device for cutting through a running material web and for determining the trailing web start on a winding tube
1. Vorrichtung zum Durchtrennen einer zu einer angetriebenen Wickelrolle (2) laufenden Materialbahn (8) und zum Festlegen des nachlaufenden Bahnanfangs auf einem Wickelkern oder einer Wickelhülse (4) mit1. Device for severing a web of material (8) running to a driven winding roll (2) and for fixing the trailing web start on a winding core or a winding tube (4) with
einer die Bahn zu der Wickelrolle (2) führenden Wickelwalze (3), an die eine Wickelhülse (4) anstellbar ist, mita winding roller (3) leading the web to the winding roll (2), against which a winding tube (4) can be adjusted, with
einem die Bahn (8) durchtrennenden Messer und mita knife cutting the web (8) and with
Mitteln zum Umleiten des Bahnanfangs von der Wickelwalze auf die angetriebene Wickelhülse,Means for diverting the start of the web from the winding roller to the driven winding tube,
dadurch gekennzeichnet, daß in die Walzenspalte zwischen der Wickelwalze (3) und der an diese angestellten Wickelhülse (4) zangenartig an Trägern (16) gelagerte Umlenkrollen (13) einfahrbar sind, über die mindestens ein endloses Band (9) läuft, das beim Einfahren der Umlenkrollen (13) in die Walzenspalte den von der Wickelwalze (3) abgewandten Teil der Wickelhülse (4) umspannt, undcharacterized in that in the nips between the winding roller (3) and the winding sleeve (4) placed thereon on pliers (16) Stored deflection rollers (13) can be retracted, over which at least one endless belt (9) runs, which spans the part of the winding tube (4) facing away from the winding roller (3) when the deflection rollers (13) are moved into the nip, and
daß die Wickelwalze (3) mit einem aus einem auf einer Mantellinie liegenden Schlitz (30) ausfahrbaren Trennmesser und in Drehrichtung (A) hinter dem Trennmesser mit einer den durch den Trennschnitt gebildeten Bahnanfang (32) in den Spalt zwischen der Wickelhülse (4) und dem über die Umlenkrollen (13) auf die Wickelhülse (4) laufenden Band einleitenden Einrichtungen versehen ist.that the winding roller (3) with a separating knife which can be extended from a slot (30) lying on a surface line and in the direction of rotation (A) behind the separating knife with a web start (32) formed by the separating cut into the gap between the winding sleeve (4) and the band introducing devices running over the deflection rollers (13) on the winding tube (4) is provided.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß die Wickelwalze (3) und die Wickelhülse (4) oder der Wickelkern zum Wickeln der Bahn (8) mit wechselnden Außenseiten auf die Wickelhülse (4) mit entgegengesetzten Förderrichtungen antreibbar sind und daß beidseits des Trennmessers den durch den Trennschnitt gebildeten Bahnanfang (32) in den Spalt zwischen der Wickelhülse und dem über die Umlenkrollen auf die Wickelhülse laufenden Band einleitende Einrichtungen vorgesehen sind.2. Apparatus according to claim 1, characterized in that the winding roller (3) and the winding tube (4) or the winding core for winding the web (8) with changing outer sides on the winding tube (4) can be driven with opposite conveying directions and that on both sides of the Separating knife the web start (32) formed by the separating cut are provided in the gap between the winding tube and the devices introducing the tape over the deflection rollers onto the winding tube.
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die die Umlenkrollen (13) lagernden Träger an einem Gestell (10), das in Richtung auf die Wickelwalze (3) und in Gegenrichtung verfahrbar ist, schwenkbar gelagerte zangenartige Arme (16) sind, die durch Federkraft oder einen Antrieb in Richtung aufeinander zu und voneinander weg verschwenkbar sind.3. Apparatus according to claim 1 or 2, characterized in that the deflecting rollers (13) supporting carrier on a frame (10) which is movable in the direction of the winding roller (3) and in the opposite direction, pivotally mounted pliers-like arms (16) are, which can be pivoted towards and away from each other by spring force or a drive.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Traggestell (10) mit Umlenkrollen (11) und Spannrollen (12) für die endlosen Anwickelbänder (9) versehen ist. 4. Device according to one of claims 1 to 3, characterized in that the support frame (10) with deflection rollers (11) and tensioning rollers (12) for the endless winding tapes (9) is provided.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Arme (16) abgewinkelt und in den Winkelbereichen Umlenkrollen (18) gelagert sind.5. Device according to one of claims 1 to 4, characterized in that the arms (16) are angled and in the angular areas deflection rollers (18) are mounted.
6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die den Bahnanfang (32) in den Walzenspalt einleitende Einrichtung aus in den Mantel der Wickelwalze (3) angeomdeten Blasdüsen besteht.6. Device according to one of claims 1 to 5, characterized in that the beginning of the web (32) in the nip introducing device consists of in the jacket of the winding roller (3) anomalized blow nozzles.
7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß eine Einrichtung zur Beaufschlagung der Blasluftdüsen mit Saugluft vorgesehen ist. 7. Device according to one of claims 1 to 6, characterized in that a device for supplying the blown air nozzles with suction air is provided.
PCT/EP2002/008720 2001-08-17 2002-08-05 Device for cutting through a running material web and for fixing the following web beginning to a winding tube WO2003016186A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT02794749T ATE310698T1 (en) 2001-08-17 2002-08-05 DEVICE FOR CUTTING A RUNNING WEB OF MATERIAL AND FOR DETERMINING THE BEGINNING OF THE RUNNING WEB ON A WINDING SLEEVE
DE50205055T DE50205055D1 (en) 2001-08-17 2002-08-05 DEVICE FOR DISCONNECTING A RUNNING MATERIAL RAIL AND FOR DETERMINING THE NEXT TRAINING START ON A WRAPPING SLEEVE
EP02794749A EP1423323B1 (en) 2001-08-17 2002-08-05 Device for cutting through a running material web and for fixing the following web beginning to a winding tube

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140365.8 2001-08-17
DE10140365A DE10140365A1 (en) 2001-08-17 2001-08-17 Device for severing a running material web and for determining the trailing start of the web on a winding tube

Publications (1)

Publication Number Publication Date
WO2003016186A1 true WO2003016186A1 (en) 2003-02-27

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PCT/EP2002/008720 WO2003016186A1 (en) 2001-08-17 2002-08-05 Device for cutting through a running material web and for fixing the following web beginning to a winding tube

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EP (1) EP1423323B1 (en)
AT (1) ATE310698T1 (en)
DE (2) DE10140365A1 (en)
WO (1) WO2003016186A1 (en)

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EP1514819A1 (en) * 2003-09-12 2005-03-16 Voith Paper Patent GmbH Method for winding a moving material web and winding machine to perform the method

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DE102013106672A1 (en) * 2013-03-01 2014-09-04 Kiekert Aktiengesellschaft Motor vehicle door lock
CN111364861B (en) 2017-01-30 2021-11-02 开开特股份公司 Lock with a tensioning device for a motor vehicle
DE102017101704A1 (en) 2017-01-30 2018-08-02 Kiekert Ag Lock with a closing device for a motor vehicle
DE102017101703A1 (en) 2017-01-30 2018-08-02 Kiekert Ag Lock with a closing device for a motor vehicle
DE102018116285A1 (en) 2018-07-05 2020-01-09 Kiekert Ag Lock with closing device for a motor vehicle

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WO1995015901A1 (en) * 1993-12-08 1995-06-15 Beloit Technologies, Inc. Method and apparatus for effecting a set change in a paper winder

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EP1514819A1 (en) * 2003-09-12 2005-03-16 Voith Paper Patent GmbH Method for winding a moving material web and winding machine to perform the method
DE10342213A1 (en) * 2003-09-12 2005-04-07 Voith Paper Patent Gmbh Method for winding a moving material web and winding machine for carrying out the method

Also Published As

Publication number Publication date
EP1423323A1 (en) 2004-06-02
DE10140365A1 (en) 2003-03-13
EP1423323B1 (en) 2005-11-23
ATE310698T1 (en) 2005-12-15
DE50205055D1 (en) 2005-12-29

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