EP1167257B1 - Method for winding a material web and winding apparatus - Google Patents

Method for winding a material web and winding apparatus Download PDF

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Publication number
EP1167257B1
EP1167257B1 EP01113453A EP01113453A EP1167257B1 EP 1167257 B1 EP1167257 B1 EP 1167257B1 EP 01113453 A EP01113453 A EP 01113453A EP 01113453 A EP01113453 A EP 01113453A EP 1167257 B1 EP1167257 B1 EP 1167257B1
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EP
European Patent Office
Prior art keywords
knife
material web
winding
adhesive strip
adhesive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01113453A
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German (de)
French (fr)
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EP1167257A3 (en
EP1167257A2 (en
Inventor
Frank Schorzmann
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Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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Publication date
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Publication of EP1167257A2 publication Critical patent/EP1167257A2/en
Publication of EP1167257A3 publication Critical patent/EP1167257A3/en
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Publication of EP1167257B1 publication Critical patent/EP1167257B1/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
    • B65H19/29—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
    • 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
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B65H19/286—Attaching the leading end of the web to the replacement web-roll core or spindle by applying adhesive to the web
    • 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
    • B65H2301/41427—Starting winding process involving arrangements for securing leading edge to core, e.g. adhesive tape
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4187—Relative movement of core or web roll in respect of mandrel
    • B65H2301/4189—Cutting
    • B65H2301/41894—Cutting knife moving on circular or acuate path, e.g. pivoting around winding roller

Definitions

  • the invention relates to a method for winding a Material web to a winding roll, which on a Contact roller is present, in which the material web when reached a predetermined roll diameter with a Knife is cut by the nip between Contact roller and winding roller is guided, and the end the material web is glued to the winding roll.
  • the invention further relates to a winding device with a contact roller over which a material web is closed a winding roll is running, and a knife that is together with the material web through a nip between the Winding roller and the contact roller is movable, and with an adhesive tape dispenser arrangement.
  • the invention is in the following in connection with a Described paper web leading to a paper web roll is wound up. But it is with other material webs, which are also wound into winding rolls and need to be handled in a similar way for example web made of cardboard, plastic or metal foil, applicable accordingly.
  • a paper web In one of the last manufacturing steps, a paper web must be be wound into a winding roll, after being cut into several partial webs if necessary each of which has a single winding role forms. While the paper web is almost endless is produced, a winding roll can only a limited Record length of paper web to be manageable to stay. A diameter of a winding roll that over Going beyond 2.5 m is currently not considered manageable.
  • the invention has for its object the role change to simplify. This task is done with a Process of the type mentioned in the introduction solved that at least two adhesive strips on the material web be applied before the material web to the Creates a winding roll, of which the rear one in the running direction covered by the knife when passing through the nip becomes.
  • the cutting edge of the knife is directed in the direction of travel of the material web, see above that the knife is at the latest when it reaches the nip between Has passed through the winding roller and contact roller, in the material web penetrates and cuts through it. It it is readily apparent that the adhesive strip then in the position where it is attached to a new winding tube can be glued when the knife is back has been removed. This allows you to change roles not only simplify, but also shorten. The danger, that also the second adhesive tape with the winding roll glued, is practically excluded.
  • the knife radially on the Adhesive strips for and after cutting the material web with a radial component of motion from Adhesive tape is moved away. If the knife is radial is moved towards the adhesive strip, then it presses the Adhesive tape with a predetermined force against the Material web and thus improves the adhesion of the Adhesive tape on the material web. Through the radial You can move the knife away from the adhesive strip Slightly remove the knife from this adhesive strip. A radial one Movement of the knife is relatively small Effort can be generated. The "stroke" of the knife does not have to be excessively large. It should be enough to get enough To create space for the adhesive tape to go through.
  • the knife preferably holds the material web, until the winding roll is ejected and a new winding tube has been brought into a winding position. In order to you save yourself time-consuming holding measures.
  • the knife thereby has a third function, namely that Holding the material web on the circumference of the contact roller.
  • the new winding tube is the beginning the web of material keeps pinching while the knife is brought back to its original position. As long as no winding tube has been inserted into the winding position the knife holds the material web around the circumference the contact roller. If the winding tube is now inserted it cannot yet be attached to the adhesive strip be moored because this is still from the knife is covered. But there is a small length of the Material web over the knife on which the winding tube can attack. If the winding tube this end now clamped to the contact roller, then can the knife is moved back to its starting position be without the risk that the material web slips off the contact roller. If then the winding tube is rotated, pulled or pushed the material web so far that the winding tube comes into contact with the glue point and the material web is glued to the winding tube.
  • an adhesive strip from which the knife can be loosened well It is preferable to use an adhesive strip from which the knife can be loosened well. So you have the knife and match the adhesive tape to each other. The tape can have different qualifications. In general, you become a double-sided adhesive tape use. But it is also possible to use the adhesive tape to form by applying a glue, i.e. in the form of a Glue bead or adhesive track. By an appropriate Surface coating of the knife can be permanent Prevent the material web from sticking to the knife.
  • This task is the beginning of a winding device mentioned type solved in that the adhesive tape dispenser arrangement issues at least two adhesive strips, the one behind the other in the running direction of the material web are arranged, and the knife at least as wide how the last adhesive strip is in the running direction and this covers when passing through the nip.
  • the knife does not only have the Task to cut the material web when the predetermined diameter of the winding roll has been reached is.
  • the knife also prevents the tape from the one for the initial gluing of the material web with a new winding tube is needed on the circumference the finished wound reel sticks.
  • the Messer therefore has a protective function here.
  • the weight of the Roll the knife and with it the adhesive tape firmly pressed onto the material web so that the adhesive connection between the adhesive strip and the material web becomes very intimate. So that's a relatively short one Role change time a reliable training both the end sheet gluing as well as the initial gluing guaranteed.
  • the knife has a radial drive having. So it can be lifted off the adhesive strip be or the adhesive tape with a certain Press force on the material web. This ensures on the one hand an intimate gluing of the adhesive strip with the material web, but guarantees on the other hand also good detachability of the knife from the adhesive strip.
  • the knife is preferably anti-adhesive or - trained solving. So you make sure that the knife not only not permanently with the adhesive tape glued, but can be easily detached from the adhesive strip can. There are various training courses for this. you can heat the knife, for example, if the adhesive strip temporarily loses its adhesive strength when heated. You can shape the knife so that only a few few surface areas with the adhesive tape intensive Have contact.
  • the knife has a surface coating made of polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • the adhesive tape dispenser is preferably double-sided Tape off.
  • a double-sided adhesive tape is a relatively simple form to connect between the winding roll and the incoming material web or a winding tube and the beginning of To effect material web. It has a defined width, so that you can easily position the knife accordingly can.
  • the invention is based on a preferred Embodiment in connection with the drawing described. Show here:
  • Fig. 1 shows a winding roll 1, the final diameter reached, so to speak, almost completely wrapped has been.
  • the winding roll lies on a contact roller 2, over which a material web 3, for example a paper web is fed.
  • the web of material 3 lies here at an angle of approximately 90 ° on the contact roller 2.
  • the contact roller 2 a carrier roller of a double carrier roller winder, the second support roller 4 only dashed shown and in the remaining figures for the sake of Clarity has been omitted.
  • the contact roller 2 can also by a backup roller Backing roll winder be formed.
  • an adhesive tape dispenser occurs 5 in action, which is transverse to that through an arrow 6 running direction of the material web 3 two adhesive strips 7, 8 on the surface of the material web 3 applies that is not in contact with the contact roller 2, but in contact with the circumference when winding further the winding roll 3 would come.
  • the tape dispenser 5 can also be arranged at another location be, for example closer to the winding roll 1. He is but shown at the position shown to the Not to impair clarity.
  • the adhesive strips 7, 8 are exaggerated for better visibility shown in thick.
  • a knife 9 is mounted on arms 10 which are about the axis of rotation 11 of the contact roller 2 are pivotable. This allows the knife to move in the direction of the arrow 12 move over the peripheral surface of the contact roller 2.
  • the arms 10 are provided with a radial drive 13, with its help the radial position of the knife 9 can be changed.
  • the knife 9 can thus of the position shown in Fig. 1, in which there is a relative large radial distance from the surface of the contact roller 2, are shifted to the contact roller 2, as shown for example in FIG. 2 is.
  • the knife 9 has a width that is larger than that Width of the rear adhesive strip 7 in the running direction. It points at least on the one adjacent to the material web 3 Surface of a coating made of polytetrafluoroethylene (PTFE) or Teflon.
  • PTFE polytetrafluoroethylene
  • Teflon Teflon
  • the knife is placed over the rear adhesive strip in the direction of travel 7 pivoted and then onto the material web 3 lowered.
  • the knife 9 is practically on the surface of the material web 3 lowered (the thickness of the adhesive strips 7, 8 is exaggerated here for the sake of clarity ) Shown.
  • the adhesive strip 7 through this movement and the pressure of the knife on the Surface of the material web 3 pressed so that the adhesive strip 7 an intimate connection with the material web 3 is received.
  • the winding roll 1 can then by no longer shown Aids are expelled. Here will the material web 3 using the knife 9 on the contact roller 2 held.
  • the winding process can then for the new winding roll be started. Even if the new winding roll is yours has reached the desired diameter, the roll change cycle begins from the front, i.e. there will be two adhesive strips 7, 8 applied and the rear adhesive strip 7 is covered by the knife 9 when passing through the nip.

Description

Die Erfindung betrifft ein Verfahren zum Aufwickeln einer Materialbahn zu einer Wickelrolle, die an einer Kontaktwalze anliegt, bei dem die Materialbahn bei Erreichen eines vorbestimmten Rollendurchmessers mit einem Messer durchtrennt wird, das durch den Nip zwischen Kontaktwalze und Wickelrolle geführt wird, und das Ende der Materialbahn an der Wickelrolle festgeklebt wird. Ferner betrifft die Erfindung eine Wickelvorrichtung mit einer Kontaktwalze, über die eine Materialbahn zu einer Wickelrolle läuft, und einem Messer, das gemeinsam mit der Materialbahn durch einen Nip zwischen der Wickelrolle und der Kontaktwalze bewegbar ist, sowie mit einer Klebestreifenspenderanordnung.The invention relates to a method for winding a Material web to a winding roll, which on a Contact roller is present, in which the material web when reached a predetermined roll diameter with a Knife is cut by the nip between Contact roller and winding roller is guided, and the end the material web is glued to the winding roll. The invention further relates to a winding device with a contact roller over which a material web is closed a winding roll is running, and a knife that is together with the material web through a nip between the Winding roller and the contact roller is movable, and with an adhesive tape dispenser arrangement.

Ein derartiges Verfahren und eine derartige Wickelvorrichtung sind aus EP 0 716 997 A2 bekannt. Such a method and such a winding device are known from EP 0 716 997 A2.

Die Erfindung wird im folgenden in Verbindung mit einer Papierbahn beschrieben, die zu einer Papierbahnrolle aufgewickelt wird. Sie ist aber bei anderen Materialbahnen, die ebenfalls zu Wickelrollen aufgewickelt werden und auf ähnliche Weise gehandhabt werden müssen, beispielsweise Bahn aus Karton, Kunststoff- oder Metallfolie, entsprechend anwendbar.The invention is in the following in connection with a Described paper web leading to a paper web roll is wound up. But it is with other material webs, which are also wound into winding rolls and need to be handled in a similar way for example web made of cardboard, plastic or metal foil, applicable accordingly.

In einem der letzten Herstellungsschritte muß eine Papierbahn zu einer Wickelrolle aufgewickelt werden, nachdem sie gegebenenfalls in mehrere Teilbahnen geschnitten worden ist, von denen jede eine einzelne Wikkelrolle bildet. Während die Papierbahn quasi endlos produziert wird, kann eine Wickelrolle nur eine begrenzte Länge der Papierbahn aufnehmen, um handhabbar zu bleiben. Ein Durchmesser einer Wickelrolle, der über 2,5 m hinausgeht, wird derzeit als nicht handhabbar angesehen.In one of the last manufacturing steps, a paper web must be be wound into a winding roll, after being cut into several partial webs if necessary each of which has a single winding role forms. While the paper web is almost endless is produced, a winding roll can only a limited Record length of paper web to be manageable to stay. A diameter of a winding roll that over Going beyond 2.5 m is currently not considered manageable.

Es ist daher von Zeit zu Zeit notwendig, die Materialbahn von der Wickelrolle abzutrennen, wenn diese einen vorbestimmten Durchmesser erreicht hat, und den Anfang der Materialbahn an einen neuen Rollenkern, in den meisten Fällen eine Wickelhülse aus Karton, festzulegen.It is therefore necessary from time to time, the material web detach from the winding roll if this one has reached predetermined diameter, and the beginning the material web to a new roll core, in most Cases, a winding tube made of cardboard, to be determined.

Aus der eingangs genannten EP 0 716 997 A2 ist es bekannt, nach dem Durchtrennen der Materialbahn das abgetrennte Ende mit Klebstoff zu versehen, um es am Umfang der Wickelrolle festzulegen. Diese sogenannte Endblattverleimung erfordert aber eine längere Unterbrechung des Wickelvorgangs. It is known from EP 0 716 997 A2 mentioned at the beginning after severing the web of material, the severed End to be glued to the circumference the winding roll. This so-called end sheet gluing but requires a longer break of the winding process.

Der Erfindung liegt die Aufgabe zugrunde, den Rollenwechsel zu vereinfachen. Diese Aufgabe wird bei einem Verfahren der eingangs genannten Art dadurch gelöst, daß mindestens zwei Klebestreifen auf die Materialbahn aufgebracht werden, bevor sich die Materialbahn an die Wickelrolle anlegt, von denen der in Laufrichtung hintere beim Durchlaufen des Nips vom Messer abgedeckt wird.The invention has for its object the role change to simplify. This task is done with a Process of the type mentioned in the introduction solved that at least two adhesive strips on the material web be applied before the material web to the Creates a winding roll, of which the rear one in the running direction covered by the knife when passing through the nip becomes.

Mit dieser Ausgestaltung erreicht man sowohl eine zuverlässige Endblattverklebung als auch eine saubere Anfangsverklebung. Das Aufbringen der beiden Klebestreifen vor dem Nip ist problemlos möglich. Gegebenenfalls muß die Materialbahn hierzu kurz angehalten werden. Die Klebestreifen werden hierbei auf der Seite der Materialbahn aufgebracht, die später an der Wickelrolle anliegt. Dementsprechend verklebt der erste Klebestreifen die zulaufende Materialbahn mit der Wickelrolle, wenn dieser Klebestreifen den Nip zwischen Wickelrolle und Kontaktwalze durchläuft. Ohne weitere Maßnahmen würde auch der zweite Klebestreifen mit der Wickelrolle verkleben. Dies wird aber durch das Messer verhindert, das den Klebestreifen abdeckt. Dies ist der erste Vorteil des erfindungsgemäßen Verfahrens. Darüber hinaus wird durch diese Ausgestaltung auch sichergestellt, daß das Messer die Materialbahn zwischen den beiden Klebestreifen durchtrennt. Die Schneidkante des Messers ist hierbei in Laufrichtung der Materialbahn gerichtet, so daß das Messer spätestens dann, wenn es den Nip zwischen Wickelrolle und Kontaktwalze durchlaufen hat, in die Materialbahn eindringt und diese durchschneidet. Es ist ohne weiteres ersichtlich, daß dann der Klebestreifen in der Position liegt, wo er an eine neue Wickelhülse angeklebt werden kann, wenn das Messer wieder entfernt worden ist. Damit läßt sich der Rollenwechsel nicht nur vereinfachen, sondern auch verkürzen. Die Gefahr, daß auch der zweite Klebestreifen mit der Wickelrolle verklebt, wird praktisch ausgeschlossen.With this configuration, you achieve both a reliable End sheet gluing as well as a clean initial gluing. Applying the two adhesive strips in front of the nip is possible without any problems. Possibly the material web must be stopped briefly for this. The Adhesive strips are here on the side of the material web applied that later on the winding roll is applied. The first adhesive strip sticks accordingly the incoming material web with the winding roll, if this tape strips the nip between the winding roll and contact roller passes. Without further action would also use the second tape with the winding roll stick together. But this is prevented by the knife that covers the tape. That is the first advantage of the method according to the invention. Furthermore this configuration also ensures that the knife the web of material between the two adhesive strips severed. The cutting edge of the knife is directed in the direction of travel of the material web, see above that the knife is at the latest when it reaches the nip between Has passed through the winding roller and contact roller, in the material web penetrates and cuts through it. It it is readily apparent that the adhesive strip then in the position where it is attached to a new winding tube can be glued when the knife is back has been removed. This allows you to change roles not only simplify, but also shorten. The danger, that also the second adhesive tape with the winding roll glued, is practically excluded.

Hierbei ist bevorzugt, daß das Messer radial auf den Klebestreifen zu und nach dem Durchtrennen der Materialbahn mit einer radialen Bewegungskomponente vom Klebestreifen wegbewegt wird. Wenn das Messer radial auf den Klebestreifen zubewegt wird, dann drückt es den Klebestreifen mit einer vorbestimmten Kraft gegen die Materialbahn und verbessert damit die Anhaftung des Klebestreifens an der Materialbahn. Durch das radiale Wegbewegen des Messers vom Klebestreifen läßt sich das Messer leicht von diesem Klebestreifen lösen. Eine radiale Bewegung des Messers ist mit einem relativ geringen Aufwand erzeugbar. Der "Hub" des Messers muß nicht übermäßig groß sein. Er sollte ausreichen, um genügend Raum für das Durchlaufen des Klebestreifens zu schaffen.It is preferred that the knife radially on the Adhesive strips for and after cutting the material web with a radial component of motion from Adhesive tape is moved away. If the knife is radial is moved towards the adhesive strip, then it presses the Adhesive tape with a predetermined force against the Material web and thus improves the adhesion of the Adhesive tape on the material web. Through the radial You can move the knife away from the adhesive strip Slightly remove the knife from this adhesive strip. A radial one Movement of the knife is relatively small Effort can be generated. The "stroke" of the knife does not have to be excessively large. It should be enough to get enough To create space for the adhesive tape to go through.

Bevorzugterweise hält das Messer die Materialbahn fest, bis die Wickelrolle ausgestoßen und eine neue Wickelhülse in eine Wickelstellung gebracht worden ist. Damit spart man sich aufwendige Haltemaßnahmen. Das Messer erhält hierdurch eine dritte Funktion, nämlich das Festhalten der Materialbahn am Umfang der Kontaktwalze.The knife preferably holds the material web, until the winding roll is ejected and a new winding tube has been brought into a winding position. In order to you save yourself time-consuming holding measures. The knife thereby has a third function, namely that Holding the material web on the circumference of the contact roller.

Hierbei ist bevorzugt, daß die neue Wickelhülse den Anfang der Materialbahn klemmend hält, während das Messer wieder in seine Ausgangsstellung gebracht wird. Solange noch keine Wickelhülse in die Wickelposition eingelegt worden ist, hält das Messer die Materialbahn am Umfang der Kontaktwalze fest. Wenn nun die Wickelhülse eingelegt wird, kann sie noch nicht unmittelbar am Klebestreifen festgemacht werden, weil dieser noch vom Messer abgedeckt ist. Es steht aber eine kleine Länge der Materialbahn über das Messer über, an dem die Wickelhülse angreifen kann. Wenn die Wickelhülse dieses Ende nun klemmend an der Kontaktwalze festlegt, dann kann das Messer wieder in seine Ausgangsposition zurückbewegt werden, ohne daß die Gefahr besteht, daß die Materialbahn von der Kontaktwalze herunterrutscht. Wenn dann die Wickelhülse gedreht wird, zieht oder schiebt sie die Materialbahn so weit vor, daß die Wickelhülse mit der Klebestelle in Kontakt kommt und die Materialbahn auf der Wickelhülse festgeklebt wird.It is preferred that the new winding tube is the beginning the web of material keeps pinching while the knife is brought back to its original position. As long as no winding tube has been inserted into the winding position the knife holds the material web around the circumference the contact roller. If the winding tube is now inserted it cannot yet be attached to the adhesive strip be moored because this is still from the knife is covered. But there is a small length of the Material web over the knife on which the winding tube can attack. If the winding tube this end now clamped to the contact roller, then can the knife is moved back to its starting position be without the risk that the material web slips off the contact roller. If then the winding tube is rotated, pulled or pushed the material web so far that the winding tube comes into contact with the glue point and the material web is glued to the winding tube.

Vorzugsweise verwendet man einen Klebestreifen, von dem sich das Messer gut lösen läßt. Man muß also das Messer und den Klebestreifen aufeinander abstimmen. Der Klebestreifen kann hierbei verschiedene Ausbildungen haben. Im allgemeinen wird man ein doppelseitig klebendes Band verwenden. Es ist aber auch möglich, den Klebestreifen durch einen Leimauftrag zu bilden, also in Form einer Leimraupe oder Klebespur. Durch eine entsprechende Oberflächenbeschichtung des Messers kann man ein dauerhaftes Verkleben der Materialbahn am Messer verhindern.It is preferable to use an adhesive strip from which the knife can be loosened well. So you have the knife and match the adhesive tape to each other. The tape can have different qualifications. In general, you become a double-sided adhesive tape use. But it is also possible to use the adhesive tape to form by applying a glue, i.e. in the form of a Glue bead or adhesive track. By an appropriate Surface coating of the knife can be permanent Prevent the material web from sticking to the knife.

Diese Aufgabe wird bei einer Wickelvorrichtung der eingangs genannten Art dadurch gelöst, daß die Klebestreifenspenderanordnung mindestens zwei Klebestreifen ausgibt, die in Laufrichtung der Materialbahn hintereinander angeordnet sind, und das Messer mindestens so breit wie der in Laufrichtung letzte Klebestreifen ist und diesen beim Durchlaufen des Nips abdeckt.This task is the beginning of a winding device mentioned type solved in that the adhesive tape dispenser arrangement issues at least two adhesive strips, the one behind the other in the running direction of the material web are arranged, and the knife at least as wide how the last adhesive strip is in the running direction and this covers when passing through the nip.

Wie oben im Zusammenhang mit dem Verfahren beschrieben, hat das Messer in dieser Ausgestaltung nicht nur die Aufgabe, die Materialbahn zu durchtrennen, wenn der vorbestimmte Durchmesser der Wickelrolle erreicht worden ist. Das Messer verhindert auch, daß der Klebestreifen, der für die Anfangsverklebung der Materialbahn mit einer neuen Wickelhülse gebraucht wird, am Umfang der fertig gewickelten Wickelrolle festklebt. Das Messer hat hier also eine Schutzfunktion. Beim Durchlaufen des Nips wird allerdings durch das Gewicht der Wickelrolle das Messer und damit der Klebestreifen fest auf die Materialbahn gedrückt, so daß die Klebeverbindung zwischen dem Klebestreifen und der Materialbahn sehr innig wird. Damit ist bei einer relativ kurzen Rollenwechselzeit ein zuverlässiges Ausbilden sowohl der Endblattverklebung als auch der Anfangsverklebung gewährleistet.As described above in connection with the process, In this configuration, the knife does not only have the Task to cut the material web when the predetermined diameter of the winding roll has been reached is. The knife also prevents the tape from the one for the initial gluing of the material web with a new winding tube is needed on the circumference the finished wound reel sticks. The Messer therefore has a protective function here. When going through However, the weight of the Roll the knife and with it the adhesive tape firmly pressed onto the material web so that the adhesive connection between the adhesive strip and the material web becomes very intimate. So that's a relatively short one Role change time a reliable training both the end sheet gluing as well as the initial gluing guaranteed.

Hierbei ist bevorzugt, daß das Messer einen Radialantrieb aufweist. Es kann also vom Klebestreifen abgehoben werden oder den Klebestreifen mit einer gewissen Kraft auf die Materialbahn drücken. Dies gewährleistet einerseits eine innige Verklebung des Klebestreifens mit der Materialbahn, gewährleistet andererseits aber auch eine gute Lösbarkeit des Messers vom Klebestreifen.It is preferred that the knife has a radial drive having. So it can be lifted off the adhesive strip be or the adhesive tape with a certain Press force on the material web. This ensures on the one hand an intimate gluing of the adhesive strip with the material web, but guarantees on the other hand also good detachability of the knife from the adhesive strip.

Vorzugsweise ist das Messer verklebungshemmend oder - lösend ausgebildet. Man sorgt also dafür, daß das Messer nicht nur nicht dauerhaft mit dem Klebestreifen verklebt, sondern leicht vom Klebestreifen gelöst werden kann. Hierzu gibt es verschiedene Ausbildungen. Man kann das Messer beispielsweise beheizen, wenn der Klebestreifen bei Erwärmung temporär seine Klebekraft verliert. Man kann das Messer so formen, daß nur einige wenige Oberflächenbereiche mit dem Klebestreifen intensiven Kontakt haben. The knife is preferably anti-adhesive or - trained solving. So you make sure that the knife not only not permanently with the adhesive tape glued, but can be easily detached from the adhesive strip can. There are various training courses for this. you can heat the knife, for example, if the adhesive strip temporarily loses its adhesive strength when heated. You can shape the knife so that only a few few surface areas with the adhesive tape intensive Have contact.

In einer besonders bevorzugten Ausgestaltung ist aber vorgesehen, daß das Messer eine Oberflächenbeschichtung aus Polytetrafluoräthylen (PTFE) aufweist. An PTFE können die meisten Klebstoffe nicht lange haften. Das Messer läßt sich deswegen leicht vom Klebestreifen lösen.In a particularly preferred embodiment, however provided that the knife has a surface coating made of polytetrafluoroethylene (PTFE). Can on PTFE most adhesives don't stick for long. The knife can therefore be easily removed from the adhesive strip.

Vorzugsweise gibt der Klebestreifenspender ein doppelseitiges Klebeband aus. Ein doppelseitig wirkendes Klebeband ist eine relativ einfache Form, um eine Verbindung zwischen der Wickelrolle und der zulaufenden Materialbahn bzw. einer Wickelhülse und dem Anfang der Materialbahn zu bewirken. Es hat eine definierte Breite, so daß man das Messer entsprechend leicht positionieren kann.The adhesive tape dispenser is preferably double-sided Tape off. A double-sided adhesive tape is a relatively simple form to connect between the winding roll and the incoming material web or a winding tube and the beginning of To effect material web. It has a defined width, so that you can easily position the knife accordingly can.

Die Erfindung wird im folgenden anhand eines bevorzugten Ausführungsbeispiels in Verbindung mit der Zeichnung beschrieben. Hierin zeigen:The invention is based on a preferred Embodiment in connection with the drawing described. Show here:

Die Fig. 1 bis 4 verschiedene Stadien beim Durchtrennen einer Materialbahn und beim Überleiten der Materialbahn auf eine Wickelhülse.1 to 4 different stages in the severing a material web and when transferring the material web on a winding tube.

Fig. 1 zeigt eine Wickelrolle 1, die ihren Enddurchmesser erreicht hat, also sozusagen fast fertig gewickelt worden ist. Die Wickelrolle liegt hierbei an einer Kontaktwalze 2 an, über die eine Materialbahn 3, beispielsweise eine Papierbahn zugeführt wird. Die Materialbahn 3 liegt hierbei über einen Winkel von etwa 90° an der Kontaktwalze 2 an. Im vorliegenden Fall ist die Kontaktwalze 2 eine Tragwalze eines Doppeltragwalzenwicklers, dessen zweite Tragwalze 4 nur gestrichelt dargestellt und in den übrigen Figuren aus Gründen der Übersichtlichkeit weggelassen worden ist. Die Kontaktwalze 2 kann aber auch durch eine Stützwalze eines Stützwalzenwicklers gebildet sein.Fig. 1 shows a winding roll 1, the final diameter reached, so to speak, almost completely wrapped has been. The winding roll lies on a contact roller 2, over which a material web 3, for example a paper web is fed. The web of material 3 lies here at an angle of approximately 90 ° on the contact roller 2. In the present case the contact roller 2 a carrier roller of a double carrier roller winder, the second support roller 4 only dashed shown and in the remaining figures for the sake of Clarity has been omitted. The contact roller 2 can also by a backup roller Backing roll winder be formed.

Wie erwähnt, ist die Wickelrolle 1 praktisch fertig gewickelt. In diesem Stadium tritt ein Klebestreifenspender 5 in Aktion, der quer zu der durch einen Pfeil 6 dargestellten Laufrichtung der Materialbahn 3 zwei Klebestreifen 7, 8 auf die Oberfläche der Materialbahn 3 aufbringt, die nicht an der Kontaktwalze 2 anliegt, sondern beim Weiterwickeln in Kontakt mit dem Umfang der Wickelrolle 3 kommen würde. Der Klebestreifenspender 5 kann auch an einer anderen Stelle angeordnet sein, beispielsweise näher an der Wickelrolle 1. Er ist aber an der gezeigten Position dargestellt, um die Übersichtlichkeit nicht zu beeinträchtigen. Die Klebestreifen 7, 8 sind zur besseren Erkennbarkeit übertrieben dick dargestellt.As mentioned, the winding roll 1 is practically completely wound. At this stage, an adhesive tape dispenser occurs 5 in action, which is transverse to that through an arrow 6 running direction of the material web 3 two adhesive strips 7, 8 on the surface of the material web 3 applies that is not in contact with the contact roller 2, but in contact with the circumference when winding further the winding roll 3 would come. The tape dispenser 5 can also be arranged at another location be, for example closer to the winding roll 1. He is but shown at the position shown to the Not to impair clarity. The adhesive strips 7, 8 are exaggerated for better visibility shown in thick.

Ein Messer 9 ist an Armen 10 gelagert, die um die Rotationsachse 11 der Kontaktwalze 2 verschwenkbar sind. Hierdurch läßt sich das Messer in Richtung des Pfeiles 12 über die Umfangsfläche der Kontaktwalze 2 bewegen. Die Arme 10 sind mit einem Radialantrieb 13 versehen, mit dessen Hilfe die radiale Position des Messers 9 verändert werden kann. Das Messer 9 kann also von der in Fig. 1 dargestellten Position, in der es einen relativ großen radialen Abstand zur Oberfläche der Kontaktwalze 2 aufweist, verlagert werden auf die Kontaktwalze 2 zu, wie dies beispielsweise in Fig. 2 dargestellt ist.A knife 9 is mounted on arms 10 which are about the axis of rotation 11 of the contact roller 2 are pivotable. This allows the knife to move in the direction of the arrow 12 move over the peripheral surface of the contact roller 2. The arms 10 are provided with a radial drive 13, with its help the radial position of the knife 9 can be changed. The knife 9 can thus of the position shown in Fig. 1, in which there is a relative large radial distance from the surface of the contact roller 2, are shifted to the contact roller 2, as shown for example in FIG. 2 is.

Das Messer 9 hat eine Breite, die größer ist als die Breite des in Laufrichtung hinteren Klebestreifens 7. Es weist zumindest an seiner der Materialbahn 3 benachbarten Oberfläche eine Beschichtung aus Polytetrafluoräthylen (PTFE) oder Teflon auf. Der Klebstoff des Klebestreifens 7 ist so gewählt, daß er sehr leicht von dieser Oberflächenbeschichtung gelöst werden kann.The knife 9 has a width that is larger than that Width of the rear adhesive strip 7 in the running direction. It points at least on the one adjacent to the material web 3 Surface of a coating made of polytetrafluoroethylene (PTFE) or Teflon. The adhesive of the tape 7 is chosen so that it very easily from this surface coating can be solved.

Nachdem die beiden Klebestreifen 7, 8 auf die Materialbahn 3 aufgebracht worden sind (es handelt sich vorzugsweise um ein doppelseitig wirkendes Klebeband), wird das Messer über den in Laufrichtung hinteren Klebestreifen 7 geschwenkt und dann auf die Materialbahn 3 abgesenkt. Hierbei erreicht man zweierlei. Zum einen wird das Messer 9 praktisch auf die Oberfläche der Materialbahn 3 abgesenkt (die Dicke der Klebestreifen 7, 8 ist hier aus Gründen der Übersicht übertrieben groß dargestellt). Zum anderen wird der Klebestreifen 7 durch diese Bewegung und den Druck des Messers an die Oberfläche der Materialbahn 3 gepreßt, so daß der Klebestreifen 7 eine innige Verbindung mit der Materialbahn 3 eingeht.After the two adhesive strips 7, 8 on the material web 3 have been applied (it is preferably a double-sided adhesive tape), the knife is placed over the rear adhesive strip in the direction of travel 7 pivoted and then onto the material web 3 lowered. Here you can achieve two things. On the one hand the knife 9 is practically on the surface of the material web 3 lowered (the thickness of the adhesive strips 7, 8 is exaggerated here for the sake of clarity ) Shown. On the other hand, the adhesive strip 7 through this movement and the pressure of the knife on the Surface of the material web 3 pressed so that the adhesive strip 7 an intimate connection with the material web 3 is received.

Wenn nun die Wickelrolle 1 weitergedreht wird, wie in Fig. 2 zu erkennen ist, dann wird der in Laufrichtung erste Klebestreifen 8 durch den Nip zwischen der Wikkelrolle 1 und der Kontaktwalze 2 geführt. Hierbei verklebt er die Materialbahn 3 mit dem Umfang der Wickelrolle 1. Bei einer weiteren Drehung der Wickelrolle 1 und der Kontaktwalze 2 durchläuft auch der zweite Klebesteifen 7 den Nip 14. Der zweite Klebesteifen 7 kann aber nicht mit der Wickelrolle 1 verkleben, weil er vom Messer 9 abgedeckt ist. Wenn das Messer 9 weiter durch den Nip 14 bewegt wird, dann durchtrennt er die Materialbahn 3 zwischen den beiden Klebestreifen 7, 8, wie aus Fig. 3 zu erkennen ist. In allen Figuren ist der Nip 14 übertrieben groß dargestellt. Im Betrieb liegt selbstverständlich die Wickelrolle 1 an der Kontaktwalze 2 an. If the winding roll 1 is now rotated further, as in Fig. 2 can be seen, then in the running direction first adhesive strip 8 through the nip between the winding roll 1 and the contact roller 2 out. Glued here he the material web 3 with the circumference of the winding roll 1. With a further rotation of the winding roll 1 and the contact roller 2 also passes through the second adhesive strip 7 the nip 14. The second adhesive strip 7 can but do not stick to the winding roll 1 because it is from Knife 9 is covered. If the knife 9 continues through the nip 14 is moved, then it cuts the web of material 3 between the two adhesive strips 7, 8, as can be seen from Fig. 3. In all the figures the nip 14 is exaggerated. Operational is of course the winding roll 1 on the contact roller 2 on.

Die Wickelrolle 1 kann dann durch nicht mehr dargestellte Hilfsmittel ausgestoßen werden. Hierbei wird die Materialbahn 3 mit Hilfe des Messers 9 an der Kontaktwalze 2 gehalten.The winding roll 1 can then by no longer shown Aids are expelled. Here will the material web 3 using the knife 9 on the contact roller 2 held.

Nach dem Ausstoßen der Wickelrolle 1 oder sogar schon während des Ausstoßens kann eine Wickelhülse 15 zugeführt werden, die das vordere Ende der auf der Kontaktwalze 2 festliegenden Materialbahn 3 klemmend festhält. Im Falle eines Doppeltragwalzenwicklers, wie er in Fig. 1 dargestellt ist, wird dies einfach dadurch erreicht, daß die Wickelhülse mit einer gewissen Kraft in das Wickelbett zwischen der Kontaktwalze und der Tragwalze 4 gedrückt wird. An den Klebestreifen 7 kann die Wikkelhülse 15 noch nicht angelegt werden, weil dieser nach wie vor vom Messer abgedeckt ist.After ejecting the winding roll 1 or even a winding tube 15 can be fed during the ejection be the the front end of the on the contact roller 2 fixed material web 3 holds tight. In the case of a double carrier roller winder, as shown in Fig. 1, this is achieved simply by that the winding tube with a certain force in the Changing bed between the contact roller and the support roller 4 is pressed. The winding sleeve can be attached to the adhesive strip 7 15 not yet created because of this is still covered by the knife.

Wenn die Materialbahn 3, genauer gesagt ihr vorderes Ende, von der Wickelhülse 15 (oder anderen, nicht mehr dargestellten Mitteln, beispielsweise einer Vakuumoder Ansaugeinrichtung) in der Kontaktwalze 2 gehalten wird, dann wird das Messer 9 radial nach außen gefahren und hebt dabei vom Klebestreifen 7 ab. Alsdann wird es, wie in Fig. 4 zu erkennen ist, in seine Ausgangsposition zurückgeschwenkt. Durch eine Weiterdrehung der Kontaktwalze 2 und der Wickelhülse 15 gelangt dann der Klebestreifen 7 in Kontakt mit der Oberfläche der Wikkelhülse 15 und bewirkt damit eine Anfangsverklebung.If the material web 3, more precisely its front End, from the winding tube 15 (or other, no more represented means, for example a vacuum or Suction device) held in the contact roller 2 then the knife 9 is moved radially outwards and lifts off the adhesive strip 7. Then it will be as can be seen in Fig. 4, in its starting position pivoted back. By further turning the contact roller 2 and the winding tube 15 then passes Adhesive strip 7 in contact with the surface of the winding sleeve 15 and thus causes an initial gluing.

Der Wickelvorgang kann dann für die neue Wickelrolle begonnen werden. Wenn auch die neue Wickelrolle ihren gewünschten Durchmesser erreicht hat, beginnt der Rollenwechselzyklus von vorne, d.h. es werden zwei Klebestreifen 7, 8 aufgebracht und der hintere Klebestreifen 7 wird beim Durchlaufen des Nip vom Messer 9 abgedeckt.The winding process can then for the new winding roll be started. Even if the new winding roll is yours has reached the desired diameter, the roll change cycle begins from the front, i.e. there will be two adhesive strips 7, 8 applied and the rear adhesive strip 7 is covered by the knife 9 when passing through the nip.

Claims (10)

  1. Method for winding a material web (3) to form a wound reel (1), which rests on a contact roll (2), in which method, when a predetermined reel diameter is reached, the material web (3) is severed by a knife (9) which is guided through the nip (14) between contact roll (2) and wound reel (1) and the end of the material web (3) is firmly adhesively bonded to the wound reel (1), characterized in that at least two adhesive strips (7, 8) are applied to the material web (3) before the material web (3) is placed on the wound reel (1), of which strips the rear one in the running direction is covered by the knife (9) as it passes through the nip (14).
  2. Method according to Claim 1, characterized in that the knife (9) is moved radially towards the adhesive strip (7) and, after the material web (3) has been severed, is moved away from the adhesive strip (7) with a radial movement component.
  3. Method according to Claim 1 or 2, characterized in that the knife (9) holds the material web (3) firmly until the wound reel (1) has been ejected and a new core (15) has been moved into a winding position.
  4. Method according to Claim 3, characterized in that the core (15) holds the start of the material web (3) in a clamping manner while the knife (9) is moved back into its initial position again.
  5. Method according to one of Claims 1 to 4, characterized in that use is made of an adhesive strip (7) which does not adhere permanently to the knife (9).
  6. Winding apparatus comprising a contact roll (2), over which a material web (3) runs to a wound reel (1), and a knife (9) which can be moved through a nip (14) between the wound reel (1) and the contact roll (2) together with the material web (3), and comprising an adhesive strip dispenser arrangement (5), characterized in that the adhesive strip dispenser arrangement (5) dispenses at least two adhesive strips (7, 8) which are arranged one after the other in the running direction (6) of the material web (3), and the knife (9) covers the last adhesive strip (7) in the running direction as it passes through the nip (14).
  7. Apparatus according to Claim 6, characterized in that the knife (9) has a radial drive (13).
  8. Apparatus according to Claim 6 or 7, characterized in that the knife (9) is designed to inhibit or release adhesion.
  9. Apparatus according to Claim 8, characterized in that the knife (9) has a surface coating of polytetrafluoroethylene.
  10. Apparatus according to one of Claims 6 to 9, characterized in that the adhesive strip dispenser (5) dispenses a double-sided adhesive tape.
EP01113453A 2000-06-21 2001-06-02 Method for winding a material web and winding apparatus Expired - Lifetime EP1167257B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10030582 2000-06-21
DE10030582A DE10030582C1 (en) 2000-06-21 2000-06-21 Method for winding a material web and winding device

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EP1167257A3 EP1167257A3 (en) 2003-09-03
EP1167257B1 true EP1167257B1 (en) 2004-11-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10206575A1 (en) * 2002-02-18 2003-08-21 Voith Paper Patent Gmbh Method for forming reels of paper comprises severing web when reel change is required using cutter immediately in front of nip which incorporates system for holding cut edge against new core, e.g. adhesive
DE10201410A1 (en) * 2002-01-15 2003-08-28 Voith Paper Patent Gmbh Method for forming reels of paper comprises severing web when reel change is required using cutter immediately in front of nip which incorporates system for holding cut edge against new core, e.g. adhesive
DE10206576A1 (en) * 2002-02-18 2003-08-28 Voith Paper Patent Gmbh Means for transferring a running web of material to a winding core and method for its use
DE10309049A1 (en) * 2003-03-01 2004-09-09 Voith Paper Patent Gmbh Process and assembly to remove a first paper roll from a winding assembly and replace this by an empty hub forming the next roll
DE102004048512A1 (en) * 2004-10-05 2006-04-13 Windmöller & Hölscher Kg Cutting and transport device for material webs
DE102004000037A1 (en) 2004-10-29 2006-05-04 Voith Paper Patent Gmbh winder
FI120443B (en) * 2006-02-02 2009-10-30 Metso Paper Inc Method in connection with a reel of a fiber web machine

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US3918654A (en) * 1973-07-21 1975-11-11 Rca Corp Automatic winding apparatus for a strip of material
DE2909736C3 (en) * 1979-03-13 1982-02-18 J.M. Voith Gmbh, 7920 Heidenheim Process and double drum roller for rolling up endlessly fed webs
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
EP0754640B1 (en) * 1993-08-24 1999-01-27 Beloit Technologies, Inc. Winder for winding webs
FI100324B (en) * 1994-12-13 1997-11-14 Valmet Paper Machinery Inc Method and apparatus for cutting a web
DE29610199U1 (en) * 1996-06-13 1997-10-16 Beloit Technologies Inc Cross cutting device for winding machines
DE29710225U1 (en) * 1997-06-13 1998-10-22 Beloit Technologies Inc Web insertion arrangement for a winding machine

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EP1167257A3 (en) 2003-09-03
DE50104358D1 (en) 2004-12-09
EP1167257A2 (en) 2002-01-02

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