EP1636124B1 - Winding device comprising electrostatic charging means and method for fixing a multi-layered film - Google Patents

Winding device comprising electrostatic charging means and method for fixing a multi-layered film Download PDF

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Publication number
EP1636124B1
EP1636124B1 EP04731180A EP04731180A EP1636124B1 EP 1636124 B1 EP1636124 B1 EP 1636124B1 EP 04731180 A EP04731180 A EP 04731180A EP 04731180 A EP04731180 A EP 04731180A EP 1636124 B1 EP1636124 B1 EP 1636124B1
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EP
European Patent Office
Prior art keywords
web
winding
last
roller
electrical field
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EP04731180A
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German (de)
French (fr)
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EP1636124A1 (en
Inventor
Oliver Koser
Rolf Kammann
Thomas Altesellmeier
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Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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    • 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
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/16—Associating two or more webs
    • 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
    • B65H2301/41419—Starting winding process
    • B65H2301/41421—Starting winding process involving electrostatic means

Definitions

  • the invention relates to a winding device according to the preamble of claim 1.
  • Winding devices are known from a variety of documents, of which at this point only WO 99/06313 and US 5848761 are exemplified. As a rule, a distinction is made between contact and turret winder.
  • winders are devices for winding web material - in particular film - on hubs, which are equipped with at least one means for electrostatic charging of the sheet material to emphasize.
  • the present invention is based.
  • the means for electrostatically charging the sheet material are used in these devices, which are shown in the documents US 4,852,820 and DE 102 02 462, for fixing the band-shaped material on the Anwickelhülse.
  • This method is called in the jargon "glue-free Anwickeln” and has high economic value, since such Anwickelvorgang can be carried out fully automatically and beyond no admission of the strip-shaped material with solvents.
  • DE 102 02 462 recommends to bring the means for electrostatic charging of the web-like material as close as possible to the Anwickelstelle, or to bring always a small close and constant distance to the winding core by a special adjustment of the position of the electrode during Anwickeln.
  • hoses are referred to as multi-layer material web.
  • the present invention has for its object to propose a device which reduces the winding of air when winding up multilayer, web-shaped material.
  • a winding core in the context of this invention may be a winding tube or another rod or circular cylindrical body.
  • the roller of the winding device which guides the film before reaching the winding core, is the contact roller in a contact winder.
  • Modern winding devices often have a variety of such suitable deflection or tape guide rollers. The same may also be upstream of the winding device on the transport path of the strip-shaped material.
  • Figure 1 shows a storage device 1 according to the invention, which comprises a drum 2, which is suspended between the holding plates 3 at the end faces of the drum.
  • the end faces of the drum 2 are formed by the plates 4, which are interconnected by the cross member 5.
  • the plates 4 have recesses 6 for receiving the winding tubes 7.
  • the torque for the rotation of the drum 2 is provided by the two drives 10.
  • Two actuators 10, only one of which is completely visible, are used in this embodiment since the working width of the winder is relatively large.
  • the drives 10 include the motors 8 and the transmission 9.
  • Figure 1 are still the insertion plates 11 for the introduction of the winding tubes 7 in the storage device 2, the linear cylinder 12, the blade guard 13 and the traverse 14 can be seen.
  • the axis 41 of the drum 2 is formed by the drum traverse 5, which connects the plates 4 together.
  • the transport of the winding shaft in the storage device 1 is realized by the rotation of the drum 2 about the axis 17.
  • FIG. 2 shows another functional element of the winder, the receiving device 15 for the winding shafts.
  • the most essential parts of Receiving device 15 are the support arms 16, which are pivotable about the axis 17 about which the contact roller 18 rotates.
  • the force for the pivoting movement provide the pneumatic cylinder 19, which are articulated at the connection points 20 on the support arms 16 and at the connection points 21 on the machine frame, not shown.
  • the holding heads 22, which can take over winding shafts 7 from the storage device 1, can be seen.
  • the holding heads 22 are located at the transfer point at the upper end of the support arm 16.
  • the winding shaft is placed in the receiving position 23 of the holding head 22 and locked there by means of the lock 24.
  • the barrier 24 is shown in FIG. 3b. It is designed according to its purpose of locking the winding shaft 7. It is pushed by the cylinder 25 on the winding shaft 7 and locks it so. The force of this cylinder 25, as shown in Figure 3a, transmitted via the connecting means 30.
  • the cylinder 25 is attached to the holding head 22.
  • the holding heads 22 are in turn movable along the support arm 16 in the vertical direction. In this way, the winding shaft 7 can be made to the contact roller 18.
  • This position 34 of the winding tube, the so-called Anwickel ein the contact winder shown, is shown in Figure 4.
  • the force for changing the position of the holding heads 22 relative to the holding arms 16 is applied by the cylinders 26, which transmit the required force via the rod 27 and the linkage 18 to the holding head 22.
  • the material web or film 35 is shown only in the drawings 4 and 5, wherein only in Figure 4, the film beginning 36 is visible. Also, the last guide roller 37 in front of the guide roller 18 is shown. Opposite is the electrode 38, which is secured to the brackets 39 on the machine frame, not shown.
  • film hoses can advantageously be subjected to an electric field with it. The adhesion of the two hose walls together is referred to as "blocking". The positioning of this electrode 38, which is one embodiment of the means for electrostatically charging the sheet material, is the subject of the present invention.
  • Fig. 6 also shows a view of a guide roller 39 of another embodiment of the invention, on which means are provided for electrostatically charging the sheet material.
  • These means comprise the electrode 38 and the charging device 42.
  • This guide roller 39 is upstream of the last deflection roller 37 in the transport direction z of the web-like material.
  • the reference numeral 43 the only outlined guide the deflection roller is provided. It may be configured with further means for electrostatically charging the roller 39 in order to increase the potential difference to the electrode 38 or to provide the film with a potential independently of the electrode 38. Even by an exclusive loading of the roller with charge, the effect of the invention - the blocking - achieve.
  • the guided over the guide roller 39 web-like material consists of the inner 40 and outer 41 film web. Since the electrode is not charged, the two tracks 40, 41 diverge. The divergence is exaggerated.

Abstract

The present invention relates to a device for winding up web-shaped material ( 35, 40, 41 ). This web-shaped material ( 35, 40, 41 ) is particularly film that is wound up on winding cores ( 7 ). The device for winding up web-shaped material ( 35, 40, 41 ) is equipped with at least one device for electrostatically charging ( 38, 42 ) the web-shaped material ( 35, 40, 41 ). Said device for electrostatically charging ( 38, 42 ) the web-shaped material ( 35, 40, 41 ) is arranged in such a manner with respect to the web-shaped material ( 35, 40, 41 ) and the winding core ( 7 ) that it exposes the web-shaped material ( 35, 40, 41 ) to an electrical field before it reaches the winding core ( 7 ).

Description

Die Erfindung betrifft eine Wickelvorrichtung nach dem Oberbegriff des Anspruchs 1. Wickelvorrichtungen sind aus einer Vielzahl von Druckschriften bekannt, von denen an dieser Stelle nur die WO 99/06313 und die US 5848761 beispielhaft genannt werden. In der Regel werden Kontakt- und Wendewickler unterschieden.The invention relates to a winding device according to the preamble of claim 1. Winding devices are known from a variety of documents, of which at this point only WO 99/06313 and US 5848761 are exemplified. As a rule, a distinction is made between contact and turret winder.

Als nächstliegender Stand der Technik werden die US 5,273,222 und die EP 0 387 214 angesehen.The closest prior art is US 5,273,222 and EP 0 387 214.

Unter diesen Wicklern sind Vorrichtungen zum Aufwickeln von bahnförmigem Material - insbesondere Folie - auf Wickelkerne, welche über zumindest ein Mittel zum elektrostatischen Aufladen des bahnförmigen Materials ausgestattet sind hervorzuheben. Von diesen Vorrichtungen geht die vorliegende Erfindung aus.Among these winders are devices for winding web material - in particular film - on hubs, which are equipped with at least one means for electrostatic charging of the sheet material to emphasize. Of these devices, the present invention is based.

Die Mittel zum elektrostatischen Aufladen des bahnförmigen Materials werden bei diesen Vorrichtungen, die in den Schriften US 4,852,820 und DE 102 02 462 dargestellt sind, zum Festlegen des bandförmigen Materials auf der Anwickelhülse verwendet. Auf diese Weise ist es möglich, einen Anfang des bandförmigen Materials ohne Zuhilfenahme von Klebstoff auf einem Wickelkern festzulegen. Diese Methode wird im Fachjargon "kleberfreies Anwickeln" genannt und besitzt hohen ökonomischen Wert, da ein solcher Anwickelvorgang vollautomatisch durchgeführt werden kann und darüber hinaus keine Beaufschlagung des bandförmigen Materials mit Lösemitteln erfolgt.The means for electrostatically charging the sheet material are used in these devices, which are shown in the documents US 4,852,820 and DE 102 02 462, for fixing the band-shaped material on the Anwickelhülse. In this way it is possible to set a beginning of the band-shaped material without the aid of adhesive on a winding core. This method is called in the jargon "glue-free Anwickeln" and has high economic value, since such Anwickelvorgang can be carried out fully automatically and beyond no admission of the strip-shaped material with solvents.

Die vorgenannten Mittel zum elektrostatischen Aufladen des bahnförmigen Materials sind in der Praxis und in der DE 102 02 462 als balkenförmige Elektrode, welche die Breite des bandförmigen Materials überstreichen kann, ausgeprägt. In allen Anwendungen und Druckschriften werden sie in unmittelbarer Nachbarschaft des Wickelkernes gezeigt und sie Beaufschlagen die Folie dann mit einem elektrischen Feld, wenn sie den Wickelkern erreichen.The aforementioned means for electrostatically charging the sheet material are in practice and in DE 102 02 462 as a bar-shaped electrode, which can sweep the width of the band-shaped material, pronounced. In all Applications and publications are shown in the immediate vicinity of the winding core and they then apply the electric field to the film when they reach the winding core.

Die räumliche Nähe zum Wickelkern ist äußerst empfehlenswert, da die Stärke elektrischer Felder mit wachsendem Abstand von der Elektrode stark abnimmt und eine größtmögliche Feldwirkung beim Anwickelvorgang zur Verfügung stehen soll. Daher empfiehlt die DE 102 02 462 die Mittel zum elektrostatischen Aufladen des bahnförmigen Materials möglichst nahe an die Anwickelstelle zu bringen, beziehungsweise beim Anwickeln durch eine spezielle Verstellung der Position der Elektrode immer in einem kleinen nahen und konstanten Abstand zu dem Wickelkern zu bringen.The spatial proximity to the winding core is highly recommended, since the strength of electric fields decreases sharply with increasing distance from the electrode and a maximum field effect during Anwickelvorgang should be available. Therefore, DE 102 02 462 recommends to bring the means for electrostatic charging of the web-like material as close as possible to the Anwickelstelle, or to bring always a small close and constant distance to the winding core by a special adjustment of the position of the electrode during Anwickeln.

Die oberbegrifflichen Vorrichtungen haben sich bei dem "kleberlosen Anwickeln" bewährt. Sie weisen jedoch wie alle Wickelvorrichtungen des Standes der Technik Nachteile während des gesamten Wickel- und Schneidprozesses auf, wenn es darum geht, mehrere Lagen von Folie oder Folienschläuche aufzuwickeln. In diesem Zusammenhang ist zu betonen, dass diese Anforderungen keineswegs exotisch sind, da Wickelvorrichtungen oft die gerade extrudierte Folie von Blaskopfextrusionsanlagen aufwickeln, die den Blaskopf als Folienschlauch verlässt und entweder direkt als Folienschlauch aufgewickelt oder zu zwei Folienbahnen zerschnitten wird, welche häufig doppellagig aufgewickelt werden. Im Folgenden werden diese mehrlagigen Materialbahnen auch Lagen von Materialbändern genannt. Es sind auch Folienwickel bekannt, bei denen mehr als zwei Materialbahnen aufgewickelt werden.The super-conceptual devices have proven themselves in the "glueless Anwickeln". However, like all prior art winders, they have disadvantages throughout the winding and cutting process when it comes to winding multiple layers of film or film tubes. In this context, it should be emphasized that these requirements are by no means exotic, since winding devices often wind up the just extruded film from blown head extrusion lines leaving the die as a film tube and either wound directly as a film tube or cut into two film webs which are often wound double-layered. In the following, these multilayer material webs are also called layers of material bands. Film wraps are also known in which more than two webs of material are wound up.

Die obengenannten Nachteile entstehen, weil zwischen den genannten Folienlagen oder in den Schläuchen bei den hohen Wickelgeschwindigkeiten Luft eingeschlossen und anschließend eingewickelt wird. Daher entstehen unschöne, zu voluminöse und teleskopierende Folienschläuche und es kommt sogar dazu, dass Wickelvorgänge unterbrochen werden müssen. Bei Schläuchen wird die Gestalt des Folienanfangs beim Transport durch die Wickelvorrichtung zum Teil metaphorisch als "Fischmaul" bezeichnet. Weitere Qualitätseinbußen treten ein, wenn es auch zu ungeraden und unschönen Schnitten an der Schneidestelle (beim Abschneiden der Bahn quer zu ihrer Förderrichtung) kommt, die entstehen, wenn sich Luft zwischen den zu schneidenden Lagen befindet. In dieser Anmeldung werden auch Schläuche als mehrlagige Materialbahn bezeichnet.The above-mentioned disadvantages arise because air is trapped and subsequently wrapped between the film layers mentioned or in the hoses at the high winding speeds. Therefore, unsightly, too voluminous and telescoping film tubes are created and it even comes that winding operations must be interrupted. In hoses, the shape of the film beginning during transport through the winding device is sometimes metaphorically referred to as "fish mouth". Further loss of quality occurs when there are also odd and unsightly cuts at the cutting point (when cutting the web transversely to its direction of conveyance), which arise when there is air between the layers to be cut. In this application, hoses are referred to as multi-layer material web.

Die vorliegende Erfindung setzt sich zum Ziel, eine Vorrichtung vorzuschlagen, welche beim Aufwickeln mehrlagigen, bahnförmigen Materials das Einwickeln von Luft reduziert.The present invention has for its object to propose a device which reduces the winding of air when winding up multilayer, web-shaped material.

Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 bzw. des Anspruchs 3 gelöst.This object is solved by the characterizing features of claim 1 and of claim 3.

Es ist im höchsten Maße erstaunlich, dass sich unterschiedliche Materiallagen mit großer Beständigkeit mit elektrostatischer Aufladung aneinander binden lassen. Weiterhin ist zu erwähnen, dass zur Verbesserung des Anwickelprozesses auch ein elektrisches Feld an der Wickelhülse verwendet werden kann, welches von dem erfindungsgemäßen Mittel zum elektrostatischen Aufladen des bahnförmigen Materials nicht beeinträchtigt wird.It is extremely surprising that different layers of material with high resistance can be bound together with electrostatic charge. It should also be mentioned that in order to improve the Anwickelprozesses also an electric field can be used on the winding tube, which is not affected by the inventive means for electrostatic charging of the sheet material.

Ein Wickelkern im Sinne dieser Erfindung kann eine Wickelhülse oder ein anderer stangen- oder kreiszylinderförmiger Körper sein.A winding core in the context of this invention may be a winding tube or another rod or circular cylindrical body.

Bei unterschiedlichen Wicklertypen und -größen sind unterschiedliche Einbaulagen und Abstände von der Wickelhülse entlang des Transportweges der Folie von Vorteil. Allgemein ist es jedoch nützlich, wenn die Folienlagen durch das elektrische Feld aneinander gebunden werden, bevor sie die Schneidvorrichtung erreichen.With different Wicklertypen and sizes different mounting positions and distances from the winding tube along the transport path of the film are beneficial. In general, however, it is useful if the foil layers are bonded together by the electric field before they reach the cutting device.

Die Walze der Wickelvorrichtung, welche die Folie vor Erreichen des Wickelkerns führt, ist bei einem Kontaktwickler die Kontaktwalze.The roller of the winding device, which guides the film before reaching the winding core, is the contact roller in a contact winder.

Das Aufladen der Folie beim Passieren von Walzen hat sich bewährt.The loading of the film when passing through rollers has proven itself.

Moderne Wickelvorrichtungen haben oft eine Vielzahl solcher geeigneter Umlenk- oder Bandführungswalzen. Dieselben können auch der Wickelvorrichtung auf dem Transportweg des bandförmigen Materials vorgelagert sein.Modern winding devices often have a variety of such suitable deflection or tape guide rollers. The same may also be upstream of the winding device on the transport path of the strip-shaped material.

Weitere Ausführungsbeispiele der Erfindung gehen aus der gegenständlichen Beschreibung und den Ansprüchen hervor.Further embodiments of the invention will become apparent from the description and the claims.

Die einzelnen Figuren zeigen:

Fig. 1
Eine perspektivische Ansicht einer erfindungsgemäßen Speichervorrichtung.
Fig. 2
Eine perspektivische Ansicht der Aufnahmevorrichtung der Wickelvorrichtung.
Fig. 3a
Einen Ausschnitt der perspektivischen Ansicht aus Figur 2 der einen Ausschnitt des Haltekopfes der Aufnahmevorrichtung zeigt.
Fig. 3b
Eine Ansicht der Sperre
Fig. 4
Eine perspektivische Ansicht der Teile der Wickelvorrichtung die Wickelhülsen führen.
Fig. 5
Dieselbe perspektivische Ansicht wie in Figur 4, wobei die Wickelhülse sich in der Wickelstellung befindet.
Fig. 6
Eine Ansicht einer Umlenkwalze, an der Mittel zum erfindungsgemäßen Mittel zum elektrostatischen Aufladen des bahnförmigen Materials vorgesehen sind.
The individual figures show:
Fig. 1
A perspective view of a storage device according to the invention.
Fig. 2
A perspective view of the receiving device of the winding device.
Fig. 3a
A detail of the perspective view of Figure 2 showing a section of the holding head of the receiving device.
Fig. 3b
A view of the barrier
Fig. 4
A perspective view of the parts of the winding device lead the cores.
Fig. 5
The same perspective view as in Figure 4, wherein the winding tube is in the winding position.
Fig. 6
A view of a guide roller, are provided on the means for inventive means for electrostatic charging of the sheet material.

Figur 1 zeigt eine erfindungsgemäße Speichervorrichtung 1, welche eine Trommel 2 umfasst, die zwischen den Halteplatten 3 an den Stirnseiten der Trommel aufgehängt ist. Die Stirnseiten der Trommel 2 werden von den Platten 4 gebildet, die durch die Traverse 5 miteinander verbunden sind. Die Platten 4 verfügen über Ausnehmungen 6 zur Aufnahme der Wickelhülsen 7. Das Drehmoment für die Rotation der Trommel 2 wird von den beiden Antrieben 10 bereitgestellt. Zwei Antriebe 10, von denen nur einer vollständig zu sehen ist, finden bei diesem Ausführungsbeispiel Verwendung, da die Arbeitsbreite des Wicklers relativ groß ist. Die Antriebe 10 umfassen die Motoren 8 und das Getriebe 9.Figure 1 shows a storage device 1 according to the invention, which comprises a drum 2, which is suspended between the holding plates 3 at the end faces of the drum. The end faces of the drum 2 are formed by the plates 4, which are interconnected by the cross member 5. The plates 4 have recesses 6 for receiving the winding tubes 7. The torque for the rotation of the drum 2 is provided by the two drives 10. Two actuators 10, only one of which is completely visible, are used in this embodiment since the working width of the winder is relatively large. The drives 10 include the motors 8 and the transmission 9.

In Figur 1 sind noch die Einführungsbleche 11 zur Einführung der Wickelhülsen 7 in die Speichervorrichtung 2, der Linearzylinder 12, der Messerschutz 13 und die Traverse 14 zu sehen. Die Achse 41 der Trommel 2 wird von der Trommeltraverse 5, welche die Platten 4 miteinander verbindet, gebildet. Der Transport der Wickelwelle in der Speichervorrichtung 1 wird durch die Rotation der Trommel 2 um die Achse 17 realisiert.In Figure 1 are still the insertion plates 11 for the introduction of the winding tubes 7 in the storage device 2, the linear cylinder 12, the blade guard 13 and the traverse 14 can be seen. The axis 41 of the drum 2 is formed by the drum traverse 5, which connects the plates 4 together. The transport of the winding shaft in the storage device 1 is realized by the rotation of the drum 2 about the axis 17.

Die Figur 2 zeigt ein weiteres Funktionselement des Wicklers, die Aufnahmevorrichtung 15 für die Wickelwellen. Die wesentlichsten Teile der Aufnahmevorrichtung 15 sind die Haltearme 16, welche um die Achse 17, um welche auch die Kontaktwalze 18 rotiert, schwenkbar sind. Die Kraft für die Schwenkbewegung stellen die Pneumatikzylinder 19 bereit, welche an den Verbindungsstellen 20 an den Haltearmen 16 und an den Verbindungsstellen 21 am nicht dargestellten Maschinengestell angelenkt sind.FIG. 2 shows another functional element of the winder, the receiving device 15 for the winding shafts. The most essential parts of Receiving device 15 are the support arms 16, which are pivotable about the axis 17 about which the contact roller 18 rotates. The force for the pivoting movement provide the pneumatic cylinder 19, which are articulated at the connection points 20 on the support arms 16 and at the connection points 21 on the machine frame, not shown.

Im oberen Bereich der Haltearme sind die Halteköpfe 22, welche Wickelwellen 7 von der Speichervorrichtung 1 übernehmen können, zu sehen. In Figur 2 befinden sich die Halteköpfe 22 an der Übergabestelle am oberen Ende des Haltearms 16. Die Wickelwelle wird in der Aufnahmestelle 23 des Haltekopfes 22 platziert und dort mit Hilfe der Sperre 24 arretiert. Die Sperre 24 ist in Figur 3b dargestellt. Sie ist ihrem Zweck der Arretierung der Wickelwelle 7 entsprechend geformt. Sie wird von dem Zylinder 25 über die Wickelwelle 7 geschoben und arretiert diese so. Die Kraft dieses Zylinders 25 wird, wie in Figur 3a dargestellt, über die Verbindungsmittel 30 übertragen. Der Zylinder 25 ist an dem Haltekopf 22 befestigt.In the upper region of the retaining arms, the holding heads 22, which can take over winding shafts 7 from the storage device 1, can be seen. In Figure 2, the holding heads 22 are located at the transfer point at the upper end of the support arm 16. The winding shaft is placed in the receiving position 23 of the holding head 22 and locked there by means of the lock 24. The barrier 24 is shown in FIG. 3b. It is designed according to its purpose of locking the winding shaft 7. It is pushed by the cylinder 25 on the winding shaft 7 and locks it so. The force of this cylinder 25, as shown in Figure 3a, transmitted via the connecting means 30. The cylinder 25 is attached to the holding head 22.

Die Halteköpfe 22 sind ihrerseits entlang des Haltearms 16 in vertikaler Richtung verfahrbar. Auf diese Weise kann die Wickelwelle 7 an die Kontaktwalze 18 angestellt werden. Diese Stellung 34 der Wickelhülse, die sogenannte Anwickelstellung des gezeigten Kontaktwicklers, ist in Figur 4 gezeigt. Die Kraft für die Änderung der Position der Halteköpfe 22 relativ zu den Haltearmen 16 wird von den Zylindern 26 aufgebracht, welche die benötigte Kraft über die Stange 27 und die Anlenkung 18 auf den Haltekopf 22 übertragen.The holding heads 22 are in turn movable along the support arm 16 in the vertical direction. In this way, the winding shaft 7 can be made to the contact roller 18. This position 34 of the winding tube, the so-called Anwickelstellung the contact winder shown, is shown in Figure 4. The force for changing the position of the holding heads 22 relative to the holding arms 16 is applied by the cylinders 26, which transmit the required force via the rod 27 and the linkage 18 to the holding head 22.

Aus den Figuren 4 und 5 ist der gesamte Werdegang einer Wickelhülse 7 in einem Kontaktwickler ersichtlich. Die Speichervorrichtung 1 und die Aufnahmevorrichtung 15 sind im Zusammenhang dargestellt. Zusätzlich zu den bereits in den Figuren 1 bis 3 dargestellten Bauteilen sind noch die Tragschiene 27 und der Ablegearm 28 dargestellt. Auf der durchgängig gerade ausgeführten Trageschiene 27 befindet sich die Wickelwelle bereits in ihrer in Figur 5 dargestellten Wickelposition 31. Nachdem der alte Wickel genug bandförmiges Material aufgenommen hat, wird er entlang der Tragschiene 27 von einer nicht dargestellten Halte- und Transportvorrichtung bis zu der Haltestelle 32 des Ablegearms 28, welcher um die Achse 29 schwenkbar ist, bewegt. Mit Hilfe dieses Armes 28 kann die schwere mit Bandmaterial versehene Wickelhülse auf eine weitere Transportvorrichtung abgeschwenkt werden. Die dazu notwendige Kraft wird von einem nicht dargestellten Zylinder aufgebracht, welcher am Lagerauge 33 angelenkt ist.From Figures 4 and 5, the entire history of a winding tube 7 is visible in a contact winder. The storage device 1 and the receiving device 15 are shown in connection. In addition to the components already shown in FIGS. 1 to 3, the support rail 27 and the removal arm 28 are also shown. On the consistently straight running support rail 27, the winding shaft is already in its winding position shown in Figure 5. After the old winding has taken enough tape-shaped material, it is along the mounting rail 27 by a holding and transport device, not shown, to the stop 32nd the Ablegearms 28 which is pivotable about the axis 29 moves. With the help of this arm 28, the heavy winding tube provided with tape material can be pivoted to a further transport device. The to necessary force is applied by a cylinder, not shown, which is hinged to the bearing eye 33.

Weitere Details des Wickelvorgangs und des Transports der Wickelwellen durch einen Kontaktwickler sind dem Fachmann bekannt und bedürfen keiner näheren Erläuterung.Further details of the winding process and the transport of the winding shafts through a contact winder are known in the art and require no further explanation.

Die Materialbahn oder Folie 35 ist lediglich in den Zeichnungen 4 und 5 dargestellt, wobei nur in Figur 4 der Folienanfang 36 sichtbar ist. Auch die letzte Umlenkwalze 37 vor der Umlenkwalze 18 ist gezeigt. Ihr gegenüber befindet sich die Elektrode 38, welche mit den Halterungen 39 an dem nicht gezeigten Maschinengestell befestigt ist. Mit ihr lassen sich insbesondere Folienschläuche in vorteilhafter Weise mit einem elektrischen Feld beaufschlagen. Das Anhaften der beiden Schlauchwandungen aneinander wird als "Verblocken" bezeichnet. Die Positionierung dieser Elektrode 38, die eine Ausführungsform der Mittel zum elektrostatischen Aufladen des bahnförmigen Materials ist, ist Gegenstand der vorliegenden Erfindung.The material web or film 35 is shown only in the drawings 4 and 5, wherein only in Figure 4, the film beginning 36 is visible. Also, the last guide roller 37 in front of the guide roller 18 is shown. Opposite is the electrode 38, which is secured to the brackets 39 on the machine frame, not shown. In particular, film hoses can advantageously be subjected to an electric field with it. The adhesion of the two hose walls together is referred to as "blocking". The positioning of this electrode 38, which is one embodiment of the means for electrostatically charging the sheet material, is the subject of the present invention.

Daher zeigt Figur 6 noch eine Ansicht einer Umlenkwalze 39 eines anderen Ausführungsbeispiels der Erfindung, an der Mittel zum elektrostatischen Aufladen des bahnförmigen Materials vorgesehen sind.Therefore, Fig. 6 also shows a view of a guide roller 39 of another embodiment of the invention, on which means are provided for electrostatically charging the sheet material.

Diese Mittel umfassen die Elektrode 38 und die Aufladevorrichtung 42. Über diese Umlenkwalze 39 ist in der Transportrichtung z des bahnförmigen Materials der letzten Umlenkwalze 37 vorgelagert. Mit dem Bezugszeichen 43 ist die lediglich skizzierte Führung der Umlenkwalze versehen. Sie kann mit weiteren Mitteln zum elektrostatischen Aufladen der Walze 39 ausgestaltet sein, um die Potentialdifferenz zur Elektrode 38 zu steigern oder um die Folie unabhängig von der Elektrode 38 mit einem Potential zu versehen. Auch durch eine ausschließliche Beaufschlagung der Walze mit Ladung lässt sich die erfindungsgemäße Wirkung - das Verblocken - erzielen. Das über die Umlenkwalze 39 geführte bahnförmige Material besteht aus der inneren 40 und äußeren 41 Folienbahn. Da die Elektrode nicht aufgeladen ist, laufen die beiden Bahnen 40, 41 auseinander. Das Auseinanderlaufen ist übertrieben dargestellt. Bezugszeichenliste 1 Speichervorrichtung 2 Trommel 3 Halteplatte 4 Platte 5 Traverse 6 Ausnehmung 7 Wickelhülse 8 Motor 9 Getriebe 10 Antrieb 11 Einführungsblech 12 Linearzylinder 13 Messerschutz 14 Traverse 15 Aufnahmevorrichtung 16 Haltearm 17 Achse 18 Kontaktwalze 19 Pneumatikzylinder 20 Verbindungsstelle 21 Verbindungsstelle 22 Haltekopf 23 Aufnahmestelle 24 Sperre 25 Zylinder 26 Zylinder 27 Tragschiene 28 Ablegearm 29 Achse 30 Verbindungsmittel 31 Wickelposition 32 Haltestelle 33 Lagerauge 34 Anwickelposition 35 Folie 36 Folienanfang 37 letzte Umlenkwalze vor Kontaktwalze 18 38 Elektrode 39 weitere Umlenkwalze 40 innere Folienbahn 41 äußere Folienbahn 42 Aufladeeinheit 43 Führung der Umlenkwalze 44 Lagerstelle der Wickelhülse 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 These means comprise the electrode 38 and the charging device 42. About this guide roller 39 is upstream of the last deflection roller 37 in the transport direction z of the web-like material. The reference numeral 43, the only outlined guide the deflection roller is provided. It may be configured with further means for electrostatically charging the roller 39 in order to increase the potential difference to the electrode 38 or to provide the film with a potential independently of the electrode 38. Even by an exclusive loading of the roller with charge, the effect of the invention - the blocking - achieve. The guided over the guide roller 39 web-like material consists of the inner 40 and outer 41 film web. Since the electrode is not charged, the two tracks 40, 41 diverge. The divergence is exaggerated. LIST OF REFERENCE NUMBERS 1 storage device 2 drum 3 Retaining plate 4 plate 5 traverse 6 recess 7 mandrel 8th engine 9 transmission 10 drive 11 introduction sheet 12 linear cylinder 13 knife protection 14 traverse 15 cradle 16 holding arm 17 axis 18 contact roller 19 pneumatic cylinder 20 junction 21 junction 22 holding head 23 receiving location 24 barrier 25 cylinder 26 cylinder 27 rail 28 Ablegearm 29 axis 30 connecting means 31 winding position 32 bus stop 33 bearing eye 34 winding start 35 foil 36 film beginning 37 last deflecting roller in front of contact roller 18 38 electrode 39 further deflection roller 40 inner foil web 41 outer foil web 42 Charger 43 Guide the guide roller 44 Bearing point of the winding tube 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62

Claims (6)

  1. Device for the winding of web-like material (35, 40, 41), in particular foil, onto winding cores (7), which has at least one means for the electrostatic charging (38, 42) of the web-like material (35, 40, 41), the said means being arranged with respect to the web-like material and to the winding core (7) in such a way that it exposes the web-like material (35, 40, 41) to an electrical field before it reaches, in the transport direction (z) of the web-like material (35, 40, 41), the last roller (18) of the winding device which guides the foil before the latter reaches the winding core (7), characterized in that at least one means for the electrostatic charging (38, 42) of the web-like material (35, 40, 41) is provided, which (38, 42) is arranged with respect to the web-like material (35, 40, 41) in such a way that it exposes the web-like material (35, 40, 41) to an electrical field when it runs on the last web guide or deflection roller and/or before it runs on the last web guide or deflection roller (37) which precedes the last roller (18) of the winding device which guides the foil before the latter reaches the winding core.
  2. Device according to Claim 1, characterized in that at least one means for the electrostatic charging (38, 42) of the web-like material (35, 40, 41) is provided, which is arranged with respect to the web-like material (35, 40, 41) in such a way that it exposes the web-like material (35, 40, 41) to an electrical field when it runs on a deflection roller preceding the last deflection roller (37).
  3. Method for the winding of multi-ply web-like material (35, 40, 41), preferably foil, onto a winding core, the web-like material (35, 40, 41) being exposed to an electrical field before it reaches, in the transport direction (z) of the web-like material (35, 40, 41), the last roller (18) of the winding device which guides the foil before the latter reaches the winding core (7), characterized in that the web-like material (35, 40, 41) is already exposed to the electrical field when it runs on the last web guide or deflection roller and/or before it runs on the last web guide or deflection roller (37) which precedes the last roller (18) of the winding device which guides the foil before the latter reaches the winding core.
  4. Method according to the preceding claim, characterized in that at least one material strip (41) is fixed to at least one other material strip (40).
  5. Method according to Claim 3, characterized in that one wall of a material tube is fixed to the other wall.
  6. Method according to one of the preceding claims, characterized in that the multi-ply web-like material (35, 40, 41) is exposed to an electrical field before it reaches the cutting point.
EP04731180A 2003-05-13 2004-05-05 Winding device comprising electrostatic charging means and method for fixing a multi-layered film Active EP1636124B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10321599A DE10321599A1 (en) 2003-05-13 2003-05-13 Winding device with electrostatic charging means and method for setting multilayer film
PCT/EP2004/004803 WO2004101407A1 (en) 2003-05-13 2004-05-05 Winding device comprising electrostatic charging means and method for fixing a multi-layered film

Publications (2)

Publication Number Publication Date
EP1636124A1 EP1636124A1 (en) 2006-03-22
EP1636124B1 true EP1636124B1 (en) 2006-11-29

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EP04731180A Active EP1636124B1 (en) 2003-05-13 2004-05-05 Winding device comprising electrostatic charging means and method for fixing a multi-layered film

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US (1) US20070069062A1 (en)
EP (1) EP1636124B1 (en)
AT (1) ATE346815T1 (en)
DE (2) DE10321599A1 (en)
WO (1) WO2004101407A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004048512A1 (en) * 2004-10-05 2006-04-13 Windmöller & Hölscher Kg Cutting and transport device for material webs
DE102004049329A1 (en) * 2004-10-09 2006-04-20 Windmöller & Hölscher Kg Apparatus and method for transporting webs of material and fixing them on a counter-surface
DE102004055734A1 (en) * 2004-11-18 2006-06-01 Kiefel Extrusion Gmbh Method and device for right-handed and left-handed winding of material webs
CN101970321B (en) 2007-10-16 2014-04-09 格罗特斯工程公司 Stretch film winder

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US2724562A (en) * 1953-01-12 1955-11-22 Western Electric Co Method of and an apparatus for winding capacitors
US3503526A (en) * 1967-07-27 1970-03-31 Du Pont Web handling apparatus and process
DE2052127C3 (en) * 1970-10-23 1975-02-20 Windmoeller & Hoelscher, 4540 Lengerich Device for producing and wrapping plastic tubular films that are laid flat free of straps
BE793265A (en) * 1971-12-22 1973-06-22 Ici Ltd WIRED ELECTRIC CAPACITORS
GB1535389A (en) * 1976-08-12 1978-12-13 Ici Ltd Splicing process and apparatus
US4402035A (en) * 1980-09-02 1983-08-30 Polaroid Corporation Low voltage electrostatic charge regulating apparatus
US4458852A (en) * 1981-06-05 1984-07-10 American Hoechst Corporation Web transfer apparatus
DE3760871D1 (en) * 1986-03-17 1989-11-30 Mitsubishi Heavy Ind Ltd Automatic cutting and winding apparatus for a web-like material such as a film
US4852820A (en) * 1986-12-04 1989-08-01 Gottlieb Looser Winding method and apparatus
DE3825110A1 (en) * 1988-07-23 1990-02-01 Roland Schnettler Method for placing electrostatically charged paper as an intermediate layer between metal sheets, and apparatus for carrying out such a method
IT1233170B (en) * 1989-03-09 1992-03-14 Perini Finanziaria Spa REWINDING MACHINE TO FORM PAPER ROLLS OR OTHER
DE4115863A1 (en) * 1991-05-15 1992-11-19 Kampf Gmbh & Co Maschf MULTIPLE-TURNING WRAPPING MACHINE FOR ROLLING GOODS, IN PARTICULAR FILMS OR THE LIKE
DE9413238U1 (en) * 1994-08-17 1994-10-13 Reinhold Klaus Device for winding material webs with a cutting and transport roller
US5823461A (en) * 1997-03-10 1998-10-20 Faustel, Inc. No-fold back splicer with electrostatic web transfer device
DE19716325C2 (en) * 1997-04-18 2001-04-26 Koenig & Bauer Ag Device for electrostatically charging a multi-layer strand
JP2002509510A (en) * 1997-07-30 2002-03-26 ゴットリープ・ローサー Winding method, strip material separating apparatus, and strip material winding apparatus
DE20101202U1 (en) * 2000-05-16 2001-05-10 Spengler Electronic Ag Biel Be Device for combining at least two paper webs into one paper strand
ATE304983T1 (en) * 2001-10-24 2005-10-15 Windmoeller & Hoelscher DEVICE FOR CONTINUOUSLY WINDING WEBBINS
DE10202462B4 (en) * 2001-10-24 2005-11-24 Windmöller & Hölscher Kg Machine for forming reels of thermoplastic sheet has pressure roller, cutter blade and electrodes, electrodes and blade being attached to lever system connected to pressure roller mounting

Also Published As

Publication number Publication date
EP1636124A1 (en) 2006-03-22
WO2004101407A1 (en) 2004-11-25
ATE346815T1 (en) 2006-12-15
DE10321599A1 (en) 2004-12-30
DE502004002189D1 (en) 2007-01-11
US20070069062A1 (en) 2007-03-29

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