EP1652803B1 - Winding method - Google Patents

Winding method Download PDF

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Publication number
EP1652803B1
EP1652803B1 EP05109865A EP05109865A EP1652803B1 EP 1652803 B1 EP1652803 B1 EP 1652803B1 EP 05109865 A EP05109865 A EP 05109865A EP 05109865 A EP05109865 A EP 05109865A EP 1652803 B1 EP1652803 B1 EP 1652803B1
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EP
European Patent Office
Prior art keywords
web
winding
roll
wound
material web
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EP05109865A
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German (de)
French (fr)
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EP1652803A2 (en
EP1652803A3 (en
Inventor
Hermann Albert Stitz
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Voith Patent GmbH
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Voith Patent GmbH
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Publication of EP1652803A3 publication Critical patent/EP1652803A3/en
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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
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2246—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being supported on two rollers
    • 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
    • B65H19/29—Securing the trailing end of the wound web to the 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting

Definitions

  • the invention relates to a method for winding a material web, in particular a paper or board web, to a first winding roll, which rests in a winding bed formed by a first and a second support roller, wherein the material web runs over the circumference of the first support roller, on the web of material is applied with a first adhesive tape and, when a predetermined roll diameter of the winding roll is severed to form an end and a start, the end of the web being bonded to the winding roll by the adhesive tape and the beginning being wound on a winding tube to form a second winding roll is, wherein the web is sucked in behind the adhesive tape over a zone of the first support roller and is severed in the region between the adhesive tape and the zone.
  • Carrier roll winding machines are used for winding a material web, in particular a paper or board web, to wound rolls.
  • the carrier roll winding machines have a first and a second support roller, which lie in the web running direction one behind the other and form a winding bed for receiving adjacent winding cores, are wound on the part webs resulting from the material web side by side.
  • the webs of material are handled by Volltambouren, then cut by cutting devices in the longitudinal direction and then wound side by side on a number of partial webs corresponding number of cores to shipping or finished rolls.
  • German patent DE 100 30 582 C1 be a method for winding a web to a winding roll and a Wrapping device described.
  • the winding roll When the winding roll has reached a predetermined diameter, the web is severed with a knife, which is guided by a nip between the winding roll and a support roller. Thereafter, the end of the web is glued to the winding roll.
  • an adhesive dispenser dispenses at least two adhesive tape on the web before the web abuts the winding roll. The rearward adhesive tape is covered in passing through the nip of the knife, which has a greater width than the adhesive strip.
  • EP-A2-0744365 discloses winding processes operating in each case with suction of the material web, in which initially a weakening, primarily a perforation of the material web is carried out and in a second step the material web is severed by tensile load.
  • this object is achieved in a method of the type mentioned above in that the material web is severed by a wire, a string, a thin sheet, a thin saw blade or the like.
  • the first carrier roll is equipped with a suction zone, which rotates with it.
  • the support roller is connected for example by a mounted in its shaft rotary union with a device for generating a vacuum or a negative pressure.
  • the support roller has in its lateral surface bores or a slot over which the material web, starting approximately with the application of the adhesive tape or is wound up shortly thereafter.
  • the suction zone preferably extends over the entire width of the first support roller: however, it is already sufficient if the material web is sucked in at various points over the entire width. The web is sucked until it has been separated in the region between the adhesive tape and the zone by a separator and until the resulting by the separation of the beginning of the web is wound on the winding tube.
  • a second adhesive strip in the web running direction is applied behind the zone on the material web.
  • This adhesive tape serves to connect the material web with the winding tube.
  • an adhesive tape is to be understood as meaning a connection means for the connection between the material web lying on the first carrier roll and the material web wound on the winding roll or with the winding tube.
  • the adhesive tape can therefore be formed by various patterns, for example, by a plurality in the web running direction one behind the other part-adhesive tape.
  • the adhesive tape or the adhesive pattern forming it is produced either by the application of a fluid adhesive or by the application of an adhesive tape.
  • the material web can also be assisted by blown air to the winding tube.
  • the separating element After the material web has been bonded to the wound on the first winding roll winding, the separating element, so the wire or cord, the sheet, the saw blade or the like. Passed at further rotating machine through the nip between the winding roll and the first support roller , Thereafter, the winding machine is stopped and the winding roll is ejected from the winding bed by means of an element for ejecting from the winding bed over the second support roll.
  • the separating element inevitably separates the material web over its entire width. The separator can now, since now no roll is more in the winding bed, are moved back to its original position. Now, the first support roller is rotated again.
  • the method in a winding machine for winding a material web, in particular a paper or board web, to a first winding roll, which rests in a winding bed formed by a first and a second support roller, with a device for applying at least one adhesive strip and with a Separating device is applied, which is characterized in that the device for applying the at least one adhesive strip is connected to a device for ejecting the wound winding roll from the winding bed to form a unit.
  • the device for applying the at least one adhesive strip is connected to a device for dispensing the winding tube into the winding bed to form a unit.
  • pivotable levers are present, between which a wire, a string, a thin sheet, a thin saw blade or the like is clamped.
  • the pivot point of the levers may coincide with the center of the shaft of the first support roller.
  • the levers may also be mounted offset relative to this center in a mounted on the end faces of the support rollers frame or Geterrorism.
  • a blowing device for blowing the beginning of the material web is present on the winding tube to be wound.
  • a carrier roll winding machine comprises two carrier rolls 1 and 2 ( Fig. 1-3 ), which form a winding bed.
  • a winding tube 3 is wound with a winding of a supplied over the jacket of the support roller 1 web 4 to a winding roll 5. It is understood that in the winding bed in alignment one behind the other lying a plurality of winding tubes 3 can be wound simultaneously with several, for example, by longitudinal cutting of the web 4 resulting partial webs. For the sake of simplicity, only the case of a single winding roll will be discussed below.
  • a unit 7 for applying glue or adhesive 8 or for applying an adhesive tape to form a first intended for the Endverklebung adhesive strip 9 on the material web 4 above the support roller 1 is positioned so that the adhesive strip 9 at a short distance in front of a zone of Material web 4 is applied, in which the material web 4 is sucked by a present in the support roller 1 and with this co-rotating suction zone 10.
  • a negative pressure in the interior of the support roller 1 is generated at this time, which is sufficient to hold the web 4 by means of the suction zone 10 on the mantle of the support roller 1.
  • the suction zone 10 has, for example, a slot extending in the axial direction or a multiplicity of bores arranged essentially next to one another.
  • the unit 7 carries on the material web 4 in the web running direction behind the zone in which the material web 4 is sucked by the support roller 1, a second adhesive tape 11 (FIG. Fig. 2 . 3 ) on.
  • a gap is left between the final and initial gluing or pasting. This gap is just before the suction zone 10 of the support roller. 1
  • a separating element such as a wire, so in the direction of the nip between the support roller 1 and the winding roller 5 moves in that the web 4 with the first Adhesive strip 9 is glued to the underlying layer of the roll and the wire comes to rest between the uppermost layer of the roll of the material web 4 on the winding roll 5 and the fed via the support roller 1 web.
  • the unit 7 ( Fig. 2 ) is moved in the direction of the winding roller 5, that these pushed out of the winding bed, pushed out of the winding machine and stored on a platform for removal.
  • the wire tears the web 4 exactly in the area between the two adhesive strips 9, 11, so that the first adhesive strip 9 holds the winding on the winding roll 5 and the winding has no loose end, while the second adhesive strip 11 for connection to a new Winding sleeve 6 is used, which is held by a further auxiliary device or preferably, as shown, first in the interior of the unit 7 and is discarded after pushing away the finished winding roll 5 in the winding bed, so that the resulting after the separation of the beginning of the web 4, which is held by the suction zone 10 and further rotated on the lateral surface of the support roller 1, in the nip formed by the support roller 1 with the winding tube 6 by means of the second Adhesive strip 11 or is applied by blowing air on the winding tube 6.
  • the wire can be clamped between the levers 12 for cutting a thin sheet, such as a feeler gauge band, or a thin saw blade.
  • a thin sheet such as a feeler gauge band, or a thin saw blade.
  • the levers 12 pivot back into their original position ( Fig. 3 ).
  • the unit 7 is returned to its original position and equipped with a new winding tube for the next change of the winding roll.

Abstract

The method involves passing a material web (4) over the circumference of carrying rollers (1, 2) and applying adhesive tape (9) on the material web. End and start of the material web are connected with a winding roller (5) and a winding core, respectively. The web behind the tape is sucked by one of the carrying rollers at a suction zone (10), and the web portion between the tape and the zone is cut by a saw blade. An independent claim is also included for a winding machine for winding a material web.

Description

Die Erfindung bezieht sich auf ein Verfahren zum Aufwickeln einer Materialbahn, insbesondere einer Papier- oder Kartonbahn, zu einer ersten Wickelrolle, die in einem von einer ersten und einer zweiten Tragwalze gebildeten Wickelbett aufliegt, wobei die Materialbahn über den Umfang der ersten Tragwalze läuft, auf die Materialbahn ein erster Klebstreifen aufgebracht wird und bei Erreichen eines vorbestimmten Rollendurchmessers der Wickelrolle zur Bildung eines Endes und eines Anfangs durchtrennt wird, wobei das Ende der Materialbahn durch den Klebstreifen mit der Wickelrolle verbunden wird und der Anfang auf einer Wickelhülse zur Bildung einer zweiten Wickelrolle angewickelt wird, wobei die Materialbahn hinter dem Klebstreifen über eine Zone von der ersten Tragwalze angesaugt wird und in dem Bereich zwischen dem Klebstreifen und der Zone durchtrennt wird.The invention relates to a method for winding a material web, in particular a paper or board web, to a first winding roll, which rests in a winding bed formed by a first and a second support roller, wherein the material web runs over the circumference of the first support roller, on the web of material is applied with a first adhesive tape and, when a predetermined roll diameter of the winding roll is severed to form an end and a start, the end of the web being bonded to the winding roll by the adhesive tape and the beginning being wound on a winding tube to form a second winding roll is, wherein the web is sucked in behind the adhesive tape over a zone of the first support roller and is severed in the region between the adhesive tape and the zone.

Tragwalzen-Wickelmaschinen werden zum Aufwickeln einer Materialbahn, insbesondere einer Papier- oder Kartonbahn, zu Wickelrollen eingesetzt. Die Tragwalzen-Wickelmaschinen weisen eine erste und eine zweite Tragwalze auf, die in Bahnlaufrichtung hintereinander liegen und ein Wickelbett zur Aufnahme von nebeneinander liegenden Wickelhülsen bilden, auf die aus der Materialbahn entstehende Teilbahnen nebeneinander aufgewickelt werden. Dabei werden die Materialbahnen von Volltambouren abgewickelt, anschließend durch Schneidvorrichtungen in Längsrichtung geschnitten und dann nebeneinanderliegend auf eine der Anzahl der Teilbahnen entsprechende Anzahl von Wickelhülsen zu Versand- oder Fertigrollen aufgewickelt.Carrier roll winding machines are used for winding a material web, in particular a paper or board web, to wound rolls. The carrier roll winding machines have a first and a second support roller, which lie in the web running direction one behind the other and form a winding bed for receiving adjacent winding cores, are wound on the part webs resulting from the material web side by side. In this case, the webs of material are handled by Volltambouren, then cut by cutting devices in the longitudinal direction and then wound side by side on a number of partial webs corresponding number of cores to shipping or finished rolls.

In der deutschen Patentschrift DE 100 30 582 C1 werden ein Verfahren zum Aufwickeln einer Materialbahn zu einer Wickelrolle und eine Wickelvorrichtung beschrieben. Wenn die Wickelrolle einen vorbestimmten Durchmesser erreicht hat, wird die Materialbahn mit einem Messer durchtrennt, das durch einen Nip zwischen der Wickelrolle und einer Tragwalze geführt wird. Danach wird das Ende der Materialbahn an der Wickelrolle festgeklebt. Beim Rollenwechsel gibt ein Klebstreifenspender mindestens zwei Klebstreifen auf die Materialbahn aus, bevor sich die Materialbahn an die Wickelrolle anlegt. Der in Laufrichtung hintere Klebstreifen wird beim Durchlaufen des Nips von dem Messer abgedeckt, das eine größere Breite als der Klebstreifen aufweist.In the German patent DE 100 30 582 C1 be a method for winding a web to a winding roll and a Wrapping device described. When the winding roll has reached a predetermined diameter, the web is severed with a knife, which is guided by a nip between the winding roll and a support roller. Thereafter, the end of the web is glued to the winding roll. When reel change an adhesive dispenser dispenses at least two adhesive tape on the web before the web abuts the winding roll. The rearward adhesive tape is covered in passing through the nip of the knife, which has a greater width than the adhesive strip.

Die Schriften EP-A2-0744365 , EP-A2-0442038 und DE 19653006-A1 offenbaren jeweils mit Ansaugung der Materialbahn operierende Wickelverfahren, bei denen zunächst eine Schwächung, vorrangig eine Perforation der Materialbahn durchgeführt und in einem zweiten Schritt die Materialbahn durch Zugbelastung durchtrennt wird.The writings EP-A2-0744365 . EP-A2-0442038 and DE 19653006-A1 disclose winding processes operating in each case with suction of the material web, in which initially a weakening, primarily a perforation of the material web is carried out and in a second step the material web is severed by tensile load.

Es ist die Aufgabe der Erfindung, ein Verfahren zu schaffen, mit dem sich eine Materialbahn auf eine einfache Weise trennen lässt und auf einfache Weise auf eine neue Wickelhülse weitergewickelt wird.It is the object of the invention to provide a method by means of which a material web can be separated in a simple manner and is easily further wound onto a new winding tube.

Erfindungsgemäß wird diese Aufgabe bei einem Verfahren der eingangs genannten Art dadurch gelöst, dass die Materialbahn durch einen Draht, eine Schnur, ein dünnes Blech, ein dünnes Sägeblatt oder dgl. durchtrennt wird.According to the invention, this object is achieved in a method of the type mentioned above in that the material web is severed by a wire, a string, a thin sheet, a thin saw blade or the like.

Dabei ist die erste Tragwalze mit einer Saugzone ausgestattet, die sich mit ihr mitdreht. Die Tragwalze ist beispielsweise durch eine in ihrer Welle angebrachte Drehdurchführung mit einer Einrichtung zur Erzeugung eines Vakuums oder eines Unterdrucks verbunden. Die Tragwalze weist in ihrer Mantelfläche Bohrungen oder einen Schlitz auf, über den die Materialbahn, etwa beginnend mit dem Aufbringen des Klebstreifens oder kurz danach angewickelt wird. Die Saugzone erstreckt sich vorzugsweise über die gesamte Breite der ersten Tragwalze: es ist jedoch auch bereits ausreichend, wenn die Materialbahn über die gesamte Breite an verschiedenen Stellen angesaugt wird. Die Materialbahn wird solange angesaugt, bis sie im Bereich zwischen dem Klebstreifen und der Zone durch eine Trennvorrichtung getrennt worden ist und bis der durch die Trennung entstandene Anfang der Materialbahn an die Wickelhülse angewickelt wird.The first carrier roll is equipped with a suction zone, which rotates with it. The support roller is connected for example by a mounted in its shaft rotary union with a device for generating a vacuum or a negative pressure. The support roller has in its lateral surface bores or a slot over which the material web, starting approximately with the application of the adhesive tape or is wound up shortly thereafter. The suction zone preferably extends over the entire width of the first support roller: however, it is already sufficient if the material web is sucked in at various points over the entire width. The web is sucked until it has been separated in the region between the adhesive tape and the zone by a separator and until the resulting by the separation of the beginning of the web is wound on the winding tube.

Vorteilhafte Weiterbildungen ergeben sich aus den Unteransprüchen, der Beschreibung und den Zeichnungen.Advantageous developments emerge from the subclaims, the description and the drawings.

Vorteilhaft ist es, wenn auf die Materialbahn ein zweiter Klebstreifen in Bahnlaufrichtung hinter der Zone aufgebracht wird. Dieser Klebstreifen dient dazu, um die Materialbahn mit der Wickelhülse zu verbinden. Im Sinne der Anmeldung ist unter einem Klebstreifen ein Verbindungsmittel zur Verbindung zwischen der auf der ersten Tragwalze aufliegenden Materialbahn mit der auf der Wickelrolle aufgewickelten Materialbahn bzw. mit der Wickelhülse zu verstehen. Der Klebstreifen kann daher durch verschiedene Muster gebildet werden, beispielsweise auch durch mehrere in Bahnlaufrichtung hintereinanderliegende Teil-Klebstreifen. Der Klebstreifen oder das ihn bildende Klebmuster wird entweder durch den Auftrag eines fluiden Klebmittels oder durch das Aufbringen eines Klebbandes erzeugt.It is advantageous if a second adhesive strip in the web running direction is applied behind the zone on the material web. This adhesive tape serves to connect the material web with the winding tube. For the purposes of the application, an adhesive tape is to be understood as meaning a connection means for the connection between the material web lying on the first carrier roll and the material web wound on the winding roll or with the winding tube. The adhesive tape can therefore be formed by various patterns, for example, by a plurality in the web running direction one behind the other part-adhesive tape. The adhesive tape or the adhesive pattern forming it is produced either by the application of a fluid adhesive or by the application of an adhesive tape.

Anstelle des Einsatzes des zweiten Klebstreifens lässt sich die Materialbahn auch unterstützt durch Blasluft an die Wickelhülse anwickeln.Instead of using the second adhesive strip, the material web can also be assisted by blown air to the winding tube.

Während des Anwickelns der Materialbahn an die Wickelhülse oder kurz vorher wird die Saugwirkung der ersten Tragwalze abgestellt, um ein sicheres Ansaugen der Materialbahn an die Wickelhülse zur Bildung der zweiten Wickelrolle zu gewährleisten.During the Anwickelns the web to the winding tube or shortly before the suction of the first support roller is turned off to a ensure safe suction of the web to the winding tube to form the second winding roll.

Nachdem die Materialbahn mit dem auf der ersten Wickelrolle aufgebrachten Wickel verklebt worden ist, wird das Trennelement, also der Draht oder die Schnur, das Blech, das Sägeblatt oder dgl. bei sich weiter drehender Maschine durch den Nip zwischen der Wickelrolle und der ersten Tragwalze hindurchgeführt. Anschließend wird die Wickelmaschine angehalten und die Wickelrolle mittels eines zum Ausstoßen aus dem Wickelbett dienenden Elements über die zweite Tragwalze hinweg aus dem Wickelbett ausgestoßen. Dabei trennt das Trennelement die Materialbahn zwangsläufig über ihre ganze Breite. Das Trennelement kann nun, da jetzt keine Wickelrolle mehr im Wickelbett liegt, in seine Ausgangsstellung zurückbewegt werden. Nun wird die erste Tragwalze wieder in Drehung versetzt. Sie nimmt die infolge des Unterdrucks an ihr haftende Materialbahn mit und befördert den neuen, beleimten Materialbahnanfang so in das Wickelbett, dass dieser an der dann von oben in das Wickelbett eingeworfenen Wickelhülse festgelegt wird. Nun wird der Unterdruck abgeschaltet, und die Produktion eines neuen Wickelrollenwurfes kann beginnen.After the material web has been bonded to the wound on the first winding roll winding, the separating element, so the wire or cord, the sheet, the saw blade or the like. Passed at further rotating machine through the nip between the winding roll and the first support roller , Thereafter, the winding machine is stopped and the winding roll is ejected from the winding bed by means of an element for ejecting from the winding bed over the second support roll. In this case, the separating element inevitably separates the material web over its entire width. The separator can now, since now no roll is more in the winding bed, are moved back to its original position. Now, the first support roller is rotated again. It takes with it due to the negative pressure adhering to her web and promotes the new, glued web start so in the winding bed that this is set at the then inserted from above into the winding bed winding tube. Now the vacuum is switched off and the production of a new wrapping roll can begin.

Mit Vorteil wird das Verfahren in einer Wickelmaschine zum Aufwickeln einer Materialbahn, insbesondere einer Papier- oder Kartonbahn, zu einer ersten Wickelrolle, die in einem von einer ersten und einer zweiten Tragwalze gebildeten Wickelbett aufliegt, mit einer Vorrichtung zum Aufbringen mindestens eines Klebstreifens und mit einer Trennvorrichtung angewendet, die dadurch gekennzeichnet ist, dass die Vorrichtung zum Aufbringen des mindestens einen Klebstreifens mit einer Einrichtung zum Herausstoßen der bewickelten Wickelrolle aus dem Wickelbett zu einer Einheit verbunden ist.Advantageously, the method in a winding machine for winding a material web, in particular a paper or board web, to a first winding roll, which rests in a winding bed formed by a first and a second support roller, with a device for applying at least one adhesive strip and with a Separating device is applied, which is characterized in that the device for applying the at least one adhesive strip is connected to a device for ejecting the wound winding roll from the winding bed to form a unit.

Alternativ oder in Kombination mit dieser Ausgestaltung kann vorgesehen sein, dass die Vorrichtung zum Aufbringen des mindestens einen Klebstreifens mit einer Einrichtung zum Abgeben der Wickelhülse in das Wickelbett zu einer Einheit verbunden ist.Alternatively or in combination with this embodiment, it can be provided that the device for applying the at least one adhesive strip is connected to a device for dispensing the winding tube into the winding bed to form a unit.

Zusätzlich ist in einer vorteilhaften Ausgestaltung der Wickelmaschine vorgesehen, dass zu beiden Seiten der ersten Tragwalze zum Durchtrennen der auf der ersten Wickelrolle aufgewickelten Materialbahn von der auf die Wickelhülse aufzuwickelnden Materialbahn schwenkbare Hebel vorhanden sind, zwischen denen ein Draht, eine Schnur, ein dünnes Blech, ein dünnes Sägeblatt oder dgl. eingespannt ist. Der Drehpunkt der Hebel kann mit dem Mittelpunkt der Welle der ersten Tragwalze übereinstimmen. Die Hebel können jedoch auch versetzt gegenüber diesem Mittelpunkt in einem an den Stirnseiten der Tragwalzen angebrachten Rahmen oder Gestellt gelagert sein.In addition, in an advantageous embodiment of the winding machine is provided that on both sides of the first support roller for severing the wound on the first winding roll material web from the wound on the winding tube material web pivotable levers are present, between which a wire, a string, a thin sheet, a thin saw blade or the like is clamped. The pivot point of the levers may coincide with the center of the shaft of the first support roller. However, the levers may also be mounted offset relative to this center in a mounted on the end faces of the support rollers frame or Gestellt.

Wenn der Anfang der Materialbahn nicht auf die neue Wickelhülse angeklebt wird, ist eine Blasvorrichtung zum Anblasen des Anfangs der Materialbahn an die zu bewickelnde Wickelhülse vorhanden.If the beginning of the material web is not adhered to the new winding tube, a blowing device for blowing the beginning of the material web is present on the winding tube to be wound.

Auch wenn in den Patentansprüchen jeweils nur eine einzige Wickelhülse erwähnt wird, so sind die Patentansprüche doch dahingehend zu verstehen, dass im Regelfall mehrere Wickelhülsen nebeneinander in dem von den beiden Tragwalzen gebildeten Wickelbett liegen und synchron zu Wickelrollen bewickelt werden. Entsprechend wird durch das Aufbringen eines Klebstreifens auf jede der Wickelrollen und das gemeinsame Abtrennen durch ein einziges die ganze Breite überdeckendes Trennelement der Wickelvorgang gleichzeitig beendet.Although only a single winding tube is mentioned in the claims, the claims are nevertheless to be understood that as a rule several cores lie side by side in the winding bed formed by the two support rollers and are wound synchronously to winding rollers. Accordingly, by applying an adhesive strip to each of the bobbins and the common separation by a single width over the entire width separating element of the winding process is terminated simultaneously.

Nachstehend wird die Erfindung in einem Ausführungsbeispiel anhand der Zeichnungen näher erläutert.The invention will be explained in more detail in an embodiment with reference to the drawings.

Es zeigen

Fig. 1-3
jeweils eine Tragwalzenwickelmaschine, auf der eine fertig bewickelte Wickelrolle gegen eine neue Wickelhülse ausgewechselt wird, in verschiedenen Stadien des Wechsels.
Show it
Fig. 1-3
in each case a carrier roll winding machine on which a finished wound roll is replaced with a new core, in different stages of the change.

Eine Tragwalzen-Wickelmaschine umfasst zwei Tragwalzen 1 und 2 (Fig. 1-3), die ein Wickelbett bilden. In dem Wickelbett wird eine Wickelhülse 3 mit einem Wickel einer über den Mantel der Tragwalze 1 zugeführten Materialbahn 4 zu einer Wickelrolle 5 bewickelt. Es versteht sich, dass in dem Wickelbett fluchtend hintereinander liegend eine Mehrzahl von Wickelhülsen 3 gleichzeitig mit mehreren, beispielsweise durch Längsschneiden der Materialbahn 4 entstandenen Teilbahnen bewickelt werden kann. Aus Gründen der einfacheren Darstellung wird im Folgenden nur der Fall einer einzigen Wickelrolle behandelt wird.A carrier roll winding machine comprises two carrier rolls 1 and 2 ( Fig. 1-3 ), which form a winding bed. In the winding bed, a winding tube 3 is wound with a winding of a supplied over the jacket of the support roller 1 web 4 to a winding roll 5. It is understood that in the winding bed in alignment one behind the other lying a plurality of winding tubes 3 can be wound simultaneously with several, for example, by longitudinal cutting of the web 4 resulting partial webs. For the sake of simplicity, only the case of a single winding roll will be discussed below.

Wenn die Wickelrolle 5 den gewünschten Umfang erreicht hat, wird der Wechselvorgang zum Bewickeln einer neuen Wickelhülse 6 eingeleitet. Dazu wird eine Einheit 7 zum Auftragen von Leim oder Klebstoff 8 oder zum Auftragen eines Klebebandes zur Bildung eines ersten für die Endverklebung vorgesehenen Klebstreifens 9 auf der Materialbahn 4 oberhalb der Tragwalze 1 so positioniert, dass der Klebstreifen 9 in einem kurzen Abstand vor einer Zone der Materialbahn 4 aufgebracht wird, in der die Materialbahn 4 durch eine in der Tragwalze 1 vorhandene und sich mit dieser mitdrehende Saugzone 10 angesaugt wird. Dazu wird zu diesem Zeitpunkt ein Unterdruck im Inneren der Tragwalze 1 erzeugt, der ausreicht, die Materialbahn 4 mittels der Saugzone 10 auf dem Mantel der Tragwalze 1 festzuhalten. Die Saugzone 10 weist beispielsweise einen sich in axialer Richtung erstreckenden Schlitz oder eine Vielzahl von im wesentlichen nebeneinander angeordneten Bohrungen auf.When the winding roller 5 has reached the desired extent, the change process for winding a new winding tube 6 is initiated. For this purpose, a unit 7 for applying glue or adhesive 8 or for applying an adhesive tape to form a first intended for the Endverklebung adhesive strip 9 on the material web 4 above the support roller 1 is positioned so that the adhesive strip 9 at a short distance in front of a zone of Material web 4 is applied, in which the material web 4 is sucked by a present in the support roller 1 and with this co-rotating suction zone 10. For this purpose, a negative pressure in the interior of the support roller 1 is generated at this time, which is sufficient to hold the web 4 by means of the suction zone 10 on the mantle of the support roller 1. The suction zone 10 has, for example, a slot extending in the axial direction or a multiplicity of bores arranged essentially next to one another.

Ferner trägt die Einheit 7 auf die Materialbahn 4 in Bahnlaufrichtung hinter der Zone, in der die Materialbahn 4 von der Tragwalze 1 angesaugt wird, einen zweiten Klebstreifen 11 (Fig. 2, 3) auf. Zwischen der End- und der Anfangsbeleimung oder -beklebung wird eine Lücke gelassen. Diese Lücke liegt kurz vor der Saugzone 10 der Tragwalze 1.Furthermore, the unit 7 carries on the material web 4 in the web running direction behind the zone in which the material web 4 is sucked by the support roller 1, a second adhesive tape 11 (FIG. Fig. 2 . 3 ) on. A gap is left between the final and initial gluing or pasting. This gap is just before the suction zone 10 of the support roller. 1

Währenddessen wird mittels in einem (nicht dargestellten) Rahmen schwenkbar befestigter Hebel 12 auf beiden Stirnseiten der Tragwalze 1 ein Trennelement, beispielsweise ein Draht, derart in Richtung zu dem Nip zwischen der Tragwalze 1 und der Wickelrolle 5 hineinbewegt, dass die Materialbahn 4 mit dem ersten Klebstreifen 9 mit der darunterliegenden Lage des Wickels verklebt wird und der Draht zwischen der obersten Lage des Wickels der Materialbahn 4 auf der Wickelrolle 5 und der über die Tragwalze 1 zugeführten Materialbahn zu liegen kommt.Meanwhile, by means of a (not shown) frame pivotally mounted lever 12 on both end faces of the support roller 1, a separating element, such as a wire, so in the direction of the nip between the support roller 1 and the winding roller 5 moves in that the web 4 with the first Adhesive strip 9 is glued to the underlying layer of the roll and the wire comes to rest between the uppermost layer of the roll of the material web 4 on the winding roll 5 and the fed via the support roller 1 web.

Sodann wird durch eine (nicht dargestellte) Hilfseinrichtung die Einheit 7 (Fig. 2) derart in Richtung zu der Wickelrolle 5 bewegt, dass diese aus dem Wickelbett herausgestoßen, aus der Wickelmaschine herausgeschoben und auf einer Bühne zum Abtransport abgelegt wird. Hierbei zerreißt der Draht die Materialbahn 4 genau in dem Bereich zwischen den beiden Klebstreifen 9, 11, so dass der erste Klebstreifen 9 den Wickel auf der Wickelrolle 5 festhält und der Wickel kein loses Ende aufweist, während der zweite Klebstreifen 11 zur Verbindung mit einer neuen Wickelhülse 6 dient, die durch eine weitere Hilfseinrichtung oder vorzugsweise, wie dargestellt, zunächst im Inneren der Einheit 7 bereit gehalten wird und nach dem Wegstoßen der fertigen Wickelrolle 5 in das Wickelbett abgeworfen wird, so dass der nach der Trennung entstandene Anfang der Materialbahn 4, der von der Saugzone 10 gehalten und auf der Mantelfläche der Tragwalze 1 weitergedreht wird, in dem von der Tragwalze 1 mit der Wickelhülse 6 gebildeten Nip mittels des zweiten Klebstreifens 11 oder mittels Blasluft auf die Wickelhülse 6 aufgebracht wird. Gleichzeitig oder kurz vorher wird die Wirkung der Saugzone 10, d. h. der Unterdruck, mit dem Materialbahn 4 auf dem Mantel der Tragwalze 1 gehalten wird, abgestellt, so dass ein sicheres Anwickeln der Materialbahn 4 an die Wickelhülse 6 gewährleistet wird.Then, by an auxiliary device (not shown), the unit 7 ( Fig. 2 ) is moved in the direction of the winding roller 5, that these pushed out of the winding bed, pushed out of the winding machine and stored on a platform for removal. Here, the wire tears the web 4 exactly in the area between the two adhesive strips 9, 11, so that the first adhesive strip 9 holds the winding on the winding roll 5 and the winding has no loose end, while the second adhesive strip 11 for connection to a new Winding sleeve 6 is used, which is held by a further auxiliary device or preferably, as shown, first in the interior of the unit 7 and is discarded after pushing away the finished winding roll 5 in the winding bed, so that the resulting after the separation of the beginning of the web 4, which is held by the suction zone 10 and further rotated on the lateral surface of the support roller 1, in the nip formed by the support roller 1 with the winding tube 6 by means of the second Adhesive strip 11 or is applied by blowing air on the winding tube 6. At the same time or shortly before, the effect of the suction zone 10, ie the negative pressure, is held with the material web 4 on the jacket of the support roller 1, turned off, so that a secure Anwickeln the material web 4 is ensured to the winding tube 6.

Anstelle des Drahtes kann zum Trennen auch ein dünnes Blech, etwa ein Fühlerlehrenband, oder ein dünnes Sägeblatt zwischen den Hebeln 12 eingespannt sein. Nach dem Trennvorgang schwenken die Hebel 12 wieder in ihre Ausgangsposition zurück (Fig. 3). Ebenso wird auch die Einheit 7 wieder in ihre ursprüngliche Position zurückgeführt und mit einer neuen Wickelhülse für den nächsten Wechsel der Wickelrolle bestückt.Instead of the wire can be clamped between the levers 12 for cutting a thin sheet, such as a feeler gauge band, or a thin saw blade. After the separation process, the levers 12 pivot back into their original position ( Fig. 3 ). Likewise, the unit 7 is returned to its original position and equipped with a new winding tube for the next change of the winding roll.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11 Tragwalzeking roll 22 Tragwalzeking roll 33 Wickelhülsemandrel 44 Materialbahnweb 55 Wickelrollereel 66 Wickelhülsemandrel 77 Einheitunit 88th Klebstoffadhesive 99 Klebstreifenadhesive 1010 Saugzonesuction zone 1111 Klebstreifenadhesive 1212 Hebellever

Claims (6)

  1. Method for winding up a web (4), in particular a paper or board web, to form a first wound roll (5), which rests in a roll bed formed by a first and a second carrier roll (1, 2), the web (4) running over the circumference of the first carrier roll (1), a first adhesive strip (9) being applied to the web (4) and, when a predetermined diameter of the wound roll (5) is reached, the web being severed to form an end and a start, the end of the web (4) being joined to the wound roll (5) by the adhesive strip (9), and the start being wound onto a core (6) to form a second wound roll (5),
    the web (4) after the adhesive strip (9) being attracted by suction by the first carrier roll (1) over a zone (10) and being severed in the region between the adhesive strip (9) and the zone (10),
    characterized in that
    the web (4) is severed by a wire, a cord, a thin metal sheet, a thin saw blade or the like.
  2. Method according to Claim 1,
    characterized in that
    a second adhesive strip (11) is applied to the web (4) after the zone (10) in the web running direction.
  3. Method according to Claim 2,
    characterized in that
    the web (4) is joined to the core (6) by the second adhesive strip (11).
  4. Method according to Claim 1 or 2,
    characterized in that
    the web (4) is wound onto the core (6) while being supported by blown air.
  5. Method according to one of Claims 1 to 4,
    characterized in that
    the web (4) is attracted by suction by the first carrier roll (1) until it is wound onto the core (6).
  6. Method according to one of Claims 1 to 5,
    characterized in that
    the web (4) is severed by the first wound roll (5) being moved out of the roll bed and the wire or the cord, the metal sheet, the saw blade or the like being drawn out of its position underneath the end of the wrap of the web (4) on the first wound roll (5).
EP05109865A 2004-10-29 2005-10-24 Winding method Not-in-force EP1652803B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004000037A DE102004000037A1 (en) 2004-10-29 2004-10-29 winder

Publications (3)

Publication Number Publication Date
EP1652803A2 EP1652803A2 (en) 2006-05-03
EP1652803A3 EP1652803A3 (en) 2007-11-07
EP1652803B1 true EP1652803B1 (en) 2011-01-26

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ID=35705341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05109865A Not-in-force EP1652803B1 (en) 2004-10-29 2005-10-24 Winding method

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EP (1) EP1652803B1 (en)
AT (1) ATE496855T1 (en)
DE (2) DE102004000037A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015114391B4 (en) * 2015-08-28 2020-05-20 Windmöller & Hölscher Kg Receiving means for receiving film material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003504A1 (en) * 1990-02-07 1991-08-08 Jagenberg Ag Machine for winding continuous strip of material into roll - has extractor to remove full rolls and insert new roll core
US5092533A (en) * 1990-10-15 1992-03-03 Beloit Corporation Method for effecting a set change in a winder
DE19519306A1 (en) * 1995-05-26 1996-11-28 Voith Sulzer Papiermasch Gmbh Method and device for the automatic cutting and winding of a paper web
DE19653006B4 (en) * 1996-12-19 2004-04-29 Voith Sulzer Papiermaschinen Gmbh Winding machine for winding a material web
DE10008802A1 (en) * 2000-02-25 2001-09-13 Voith Paper Patent Gmbh Method for transferring a roll of material and winding device for winding up a roll of material
DE10030582C1 (en) 2000-06-21 2002-01-10 Voith Paper Patent Gmbh Method for winding a material web and winding device

Also Published As

Publication number Publication date
EP1652803A2 (en) 2006-05-03
DE502005010906D1 (en) 2011-03-10
ATE496855T1 (en) 2011-02-15
DE102004000037A1 (en) 2006-05-04
EP1652803A3 (en) 2007-11-07

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