EP0395830A2 - Method and device for winding and crosscutting a web - Google Patents

Method and device for winding and crosscutting a web Download PDF

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Publication number
EP0395830A2
EP0395830A2 EP90100688A EP90100688A EP0395830A2 EP 0395830 A2 EP0395830 A2 EP 0395830A2 EP 90100688 A EP90100688 A EP 90100688A EP 90100688 A EP90100688 A EP 90100688A EP 0395830 A2 EP0395830 A2 EP 0395830A2
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EP
European Patent Office
Prior art keywords
web
roller
take
rollers
wound
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90100688A
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German (de)
French (fr)
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EP0395830A3 (en
EP0395830B1 (en
Inventor
Theo Schiffers
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H Krantz Textiltechnik GmbH
Original Assignee
H Krantz GmbH and Co
H Krantz Textiltechnik GmbH
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Application filed by H Krantz GmbH and Co, H Krantz Textiltechnik GmbH filed Critical H Krantz GmbH and Co
Publication of EP0395830A2 publication Critical patent/EP0395830A2/en
Publication of EP0395830A3 publication Critical patent/EP0395830A3/en
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Publication of EP0395830B1 publication Critical patent/EP0395830B1/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
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle

Definitions

  • the invention relates to a method and a device for winding and cross cutting a running web, which is wound on a driven take-up roller until a certain winding diameter is reached. Thereupon, the take-up roller is shifted from the winding position perpendicular to its longitudinal extent and a still unwrapped, subsequent take-up roller wrapped over part of its circumference by the material web is transferred into the winding position. Finally, a cutting member rotating at the running speed of the web cuts the web between the wound and the winding roll to be wound perpendicular to the running direction of the web.
  • the adhesive tape merely represents an aid that special facilities does not make it unnecessary to introduce the beginning of the web to the take-up roller to be wound.
  • Continuously rotating belts are known, for example, from EP 0 132 727 B1 as a device for guiding the new web start to a take-up roller, which are guided over deflection rollers around part of the circumference of the take-up roller to be wound in such a way that a gusset is formed between the tapes and the take-up roller , in which the beginning of the web is initiated so as to be guided around the take-up roller.
  • the tapes consist of toothed belts that run around at a distance from one another and cannot capture the full width of the web, which causes wrinkles in the web during winding. There is also the risk that web edges will get between toothed belts and pulleys designed as pulleys, thereby damaging the web and the winding process leads to interruptions.
  • each take-up roller is prepared with a flag from a section of the web in order to be able to form a gusset with the flag and the take-up roller, in which the new start of the web can be initiated .
  • the section of the web forming the flag is no longer usable for other purposes and is therefore lost for further processing as a web.
  • the invention has for its object to arrive at a winding process in which not only the use of adhesive tapes that are only partially functional and leave marks can be dispensed with, but also in which complex auxiliary devices are unnecessary in order to wind the new web start onto a take-up roller, which should not require any other preparation for this.
  • a web section that is part of the continuous incoming web remains around a partial circumference of the still unwound pick-up roll and fulfills two functions.
  • the material web section is set in rotation by the wrapping of the take-up roller in such a way that the peripheral speed of the take-up roller and the feed speed of the material web essentially coincide.
  • the web section is used in connection with the take-up roller to form a gusset in order to take up the new start of the web formed by the separating cut and to guide the take-up roller around with unchanged feed speed and to press against it.
  • the pair of pull rollers placed over the gusset ensures that the web train that is no longer required for the new web section after the separation cut from the rotation of the already fully wound pick-up roll is replaced without interruption.
  • the new web section therefore runs, driven by the pair of draw rollers, at unchanged speed towards the take-up roller still to be wound.
  • a drive roller can be pressed onto the outer circumference of the take-up roller now being wound and replace the function of the pair of pull rollers.
  • the deflection rollers which have ensured that the take-up roller is wrapped around the new web section, can then be pivoted overall in such a way that they do not hinder the new web roll which increases in diameter as it is further wound.
  • a device for carrying out the method according to the invention, which has two pick-up rolls which can be displaced perpendicular to their longitudinal axis and a drive roll which is mounted in pivotable support arms and can be pressed against the outer circumference of the web roll forming around the pick-up rolls.
  • Such a device is particularly suitable for carrying out the method if it is characterized according to the invention by the following features: a second drive roller which is mounted in a swiveling roller mill and can be placed on the outer circumference of the web roll forming around the second take-up roller which is still to be wound, a group of deflecting rollers which is mounted in a common support frame which in turn is pivotably mounted on the roller mill, two rollers which are mounted next to one another in the roller mill and can be pressed against one another, of which at least one roller is driven, a cutting member rotatably mounted in the roller mill below the rollers that can be pressed against one another and extending over the maximum width of a web, guiding the material web around the individual deflecting rollers in such a way that the support frame with the deflecting rollers can be swiveled freely into a position in which the material web wraps around the pick-up roller still to be wound over part of its circumference, - A pivotability of the roller mill and the support frame with the de
  • an embodiment of the invention provides that each side of the support frame consists of an elongated leg, a leg approximately aligned in the middle of the elongated leg perpendicular to this and an angled leg angularly connected to one end of the elongated leg, a deflection roller being mounted at each end of the legs and wherein the support frame is pivotable about the axis of a guide roller mounted in the roller mill.
  • the support frame with the deflecting rollers can be swiveled freely from one position to the other by the take-up roller which is to be wound and finally wound.
  • a further embodiment of the invention finally provides that the roller mill can be pivoted about an axis mounted in a frame of the device with the aid of a cylinder-piston rod unit which is likewise articulated on the frame of the device.
  • a similarly articulated cylinder-piston rod unit can also be provided for pivoting the supporting frame from one position to the other, this cylinder-piston rod unit then being articulated on the roller mill which in turn can be pivoted.
  • the device consists essentially of a roller mill 1, which is pivotally mounted about an axis 2 in a fixed stand 3.
  • the roller mill 1 can be swiveled up and down by means of a cylinder-piston rod unit 4 which is arranged on both sides of the device and is mounted on pins 5 and 6 on the roller mill 1 or on the stand 3.
  • the roller mill 1 In the region of its free end, the roller mill 1 is provided with a drive roller 7 which can be pressed against the outer circumference of a winding 8 which is formed on a take-up roller 9 in order to wind it up to a certain diameter.
  • roller mill 1 is equipped with a rotatable cutting element 10 in order to cut through the full width of a web 11 tapering in the direction of the arrow after the winding 8 has been completed.
  • a frame 12 can be pivoted about an axis 13 and is equipped with a group of deflecting rollers 14, 15, 16 and 17, of which the latter - like the frame 12 - is also mounted on the axis 13.
  • the material web which is fed to the device via a guide roller 18 mounted in the stand 3, reaches the take-up roller 9, two rollers 19 which can be pressed against one another being arranged between the deflection roller 17 and the cutting element 10 upstream of the drive roller 7 in the running direction of the material web 11, between them the web 11 is guided and at least one of which can be driven.
  • the winding 8 As soon as the winding 8 has reached the intended diameter, it is moved from the position shown in FIG. 1 to the position shown in FIG. 2 with the aid of a carriage 20 which can freely rotate the take-up roll 9. In the meantime, the winding 8 is driven by a further drive roller 21, which rests on the winding 8 and is supported by swivel arms 22 which are articulated on the frame 3.
  • the web 11 is itself used directly as a means to drive the new take-up roller 9 'and to firmly press the start of the web against the outer circumference of the take-up roller 9', so that special aids are not required.

Abstract

For winding and cross-cutting a web (11), use is made of a device having a first driving roller (21), which is mounted in pivotable supporting arms (22) and can be pressed against the outer circumference of the wound package (8) forming about a receiving roll (9). In a pivotable roller frame (1) is mounted a second driving roller (7) which can be brought into contact with a second receiving roll (9'), which is still to be wound. A group of deflecting rollers (14 to 17) is mounted in a common supporting structure, which, in turn, is mounted pivotably on the roller frame (1). Also arranged in the roller frame (1) are rollers (19) which can be pressed against one another of which at least one roller is driven. A cutting member (10) is arranged underneath said rollers (19) in the roller frame (1). The web (11) is so guided about the individual deflecting rollers (14 to 17) that the supporting structure (12) can be swivelled unimpeded together with said rollers into a position in which the web (11) loops round the receiving roll (9') still to be wound. The roller frame (1) and, in this, the supporting structure (12) can be swivelled in such a way that the deflecting rollers (14 to 17) are transferable into a position by means of which a part of the web (11) and the receiving roll (9') still to be wound form a gap (23) which narrows in the running direction of the web (11) and in the circumferential direction of the receiving roll (9'). This gap is situated underneath the two rollers (19) which can be pressed one on the other and the cutting point, situated below, for the web (11), so that the new web beginning is guided positively into the gap (23) without any other auxiliaries than the web (11) itself being necessary. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Aufwickeln und Querschneiden einer laufenden Warenbahn, die so lange auf eine angetriebene Aufnahmewalze gewickelt wird, bis ein bestimmter Wickeldurchmesser erreicht ist. Daraufhin wird die Aufnahmewalze aus der Wickelposition senkrecht zu ihrer Längserstreckung verlagert und eine noch unbewickelte, über einen Teil ihres Umfangs von der Warenbahn umschlungene nachfolgende Aufnahmewalze in die Wickelposition überführt. Schließlich durchtrennt ein mit der Laufgeschwindigkeit der Warenbahn rotierendes Schneidorgan die Warenbahn zwischen der bewickelten und der noch zu bewickelnden Aufnahmewalze senkrecht zur Laufrichtung der Warenbahn.The invention relates to a method and a device for winding and cross cutting a running web, which is wound on a driven take-up roller until a certain winding diameter is reached. Thereupon, the take-up roller is shifted from the winding position perpendicular to its longitudinal extent and a still unwrapped, subsequent take-up roller wrapped over part of its circumference by the material web is transferred into the winding position. Finally, a cutting member rotating at the running speed of the web cuts the web between the wound and the winding roll to be wound perpendicular to the running direction of the web.

Bei allgemein bekannten Wickel- und Querschneidevorrichtungen sind aufwendige Einrichtungen erforderlich, um den durch den Trennschnitt der Warenbahn erhaltenen neuen Warenbahnanfang so an die noch unbewickelte Aufnahmewalze heranzuführen, daß die Warenbahn bei unverminderter Zulaufgeschwindigkeit von der Aufnahmewalze sicher erfaßt wird und eine ordnungsgemäße Wickelbildung erfolgen kann. Zur Unterstützung dieses Anwickelvorgangs ist es bekannt, die Aufnahmewalze mit einem Klebeband zu präparieren, um die Fixierung und dadurch die Mitnahme des Warenbahnanfangs auf der Aufnahmewalze bereits zu sichern, bevor eine ausreichende Umschlingung der Aufnahmewalze durch den Warenbahnanfang erreicht ist. Abgesehen davon, daß der Einsatz eines Klebebands zu unerwünschten Markierungen auf der Warenbahn führt, nasse Warenbahnen am Klebeband nicht oder nur unzureichend haften und jede Aufnahmewalze für jede Neubewicklung mit einem neuen Klebeband versehen werden muß, stellt das Klebeband lediglich ein Hilfsmittel dar, das besondere Einrichtungen zur Heranführung des Warenbahnanfangs an die zu bewickelnde Aufnahmewalze nicht entbehrlich macht.In the case of generally known winding and cross-cutting devices, complex devices are required in order to bring the new beginning of the web obtained by the separating cut of the web to the unwinded take-up roll in such a way that the web is reliably grasped by the take-up roll at an undiminished feed speed and proper winding can take place. To support this winding process, it is known to prepare the take-up roller with an adhesive tape, in order to secure the fixation and thereby the entrainment of the start of the web on the take-up roller before sufficient wrap around the take-up roller is achieved by the start of the web. In addition to the fact that the use of an adhesive tape leads to undesirable markings on the web, wet webs do not adhere to the adhesive tape or only adhere insufficiently, and each take-up roller has to be provided with a new adhesive tape for each new winding, the adhesive tape merely represents an aid that special facilities does not make it unnecessary to introduce the beginning of the web to the take-up roller to be wound.

Als Einrichtung zum Heranführen des neuen Warenbahnanfangs an eine Aufnahmewalze sind beispielsweise aus der EP 0 132 727 B1 endlos umlaufende Bänder bekannt, die über Umlenkrollen so um einen Teil des Umfangs der zu bewickelnden Aufnahmewalze geführt werden, daß zwischen den Bändern und der Aufnahmewalze ein Zwickel entsteht, worin der Warenbahnanfang eingeleitet wird, um auf diese Weise um die Aufnahmewalze herumgeführt zu werden. Üblicherweise bestehen die Bänder aus im Abstand voneinander umlaufenden Zahnriemen, welche die Warenbahn nicht über ihre volle Breite erfassen können, wodurch Falten beim Anwickeln in der Warenbahn entstehen. Auch besteht dabei die Gefahr, daß Wahrenbahnkanten zwischen Zahnriemen und als Riemenscheiben ausgebildete Umlenkrollen geraten, wodurch die Warenbahn beschädigt wird und der Wickelvorgang zu Unterbrechungen führt.Continuously rotating belts are known, for example, from EP 0 132 727 B1 as a device for guiding the new web start to a take-up roller, which are guided over deflection rollers around part of the circumference of the take-up roller to be wound in such a way that a gusset is formed between the tapes and the take-up roller , in which the beginning of the web is initiated so as to be guided around the take-up roller. Usually, the tapes consist of toothed belts that run around at a distance from one another and cannot capture the full width of the web, which causes wrinkles in the web during winding. There is also the risk that web edges will get between toothed belts and pulleys designed as pulleys, thereby damaging the web and the winding process leads to interruptions.

Schließlich ist aus der DE 35 16 836 A1 ein Verfahren und eine Vorrichtung bekannt, wobei jede Aufnahmewalze mit einer Fahne aus einem Teilstück der Warenbahn präpariert ist, um mit der Fahne und der Aufnahmewalze einen Zwickel bilden zu können, worin der neue Warenbahnanfang eingeleitet werden kann. Abgesehen von dem damit verbundenen Vorbereitungsaufwand ist das die Fahne bildende Teilstück der Warenbahn anderweitig nicht mehr verwendbar und geht damit für die Weiterverarbeitung als Warenbahn verloren.Finally, from DE 35 16 836 A1 a method and a device are known, wherein each take-up roller is prepared with a flag from a section of the web in order to be able to form a gusset with the flag and the take-up roller, in which the new start of the web can be initiated . Apart from the associated preparation effort, the section of the web forming the flag is no longer usable for other purposes and is therefore lost for further processing as a web.

Der Erfindung liegt die Aufgabe zugrunde, zu einem Wickelverfahren zu gelangen, bei dem nicht nur auf die Verwendung von nur bedingt funktionsfähigen und Markierungen hinterlassenden Klebebändern verzichtet werden kann, sondern bei dem auch aufwendige Hilfsvorrichtungen entbehrlich sind, um den neuen Warenbahnanfang auf eine Aufnahmewalze anzuwickeln, die dazu auch keine anderweitige Präparation erfordern soll.The invention has for its object to arrive at a winding process in which not only the use of adhesive tapes that are only partially functional and leave marks can be dispensed with, but also in which complex auxiliary devices are unnecessary in order to wind the new web start onto a take-up roller, which should not require any other preparation for this.

Zur Lösung dieser Aufgabe wird von einem Verfahren der im Oberbegriff des Anspruchs 1 beschriebenen Art ausgegangen und erfindungsgemäß vorgeschlagen, nach den im kennzeichnenden Teil des Anspruchs 1 angegebenen Merkmalen zu verfahren.To achieve this object, a method of the type described in the preamble of claim 1 is assumed and proposed according to the invention to proceed according to the features specified in the characterizing part of claim 1.

Nach dem erfindungsgemäßen Verfahren wird ein Warenbahnteilstück, das Bestandteil der kontinuierlich zulaufenden Warenbahn bleibt, um einen Teilumfang der noch unbewickelten Aufnahmewalze herumgeführt und erfüllt dabei zwei Funktionen. Zum einen versetzt das Warenbahnteilstück durch die Umschlingung der Aufnahmewalze diese so in Rotation, daß die Umfangsgeschwindigkeit der aufnahmewalze und die Zulaufgeschwindigkeit der Warenbahn im wesentlichen übereinstimmen. Zum anderen wird das Warenbahnteilstück in Verbindung mit der Aufnahmewalze zur Bildung eines Zwickels herangezogen, um den durch den Trennschnitt gebildeten neuen Warenbahnanfang aufzunehmen und um die Aufnahmewalze mit unveränderter Zulaufgeschwindigkeit herumzuführen und dagegen anzupressen. Unterdessen stellt das über den Zwickel plazierte Zugwalzenpaar sicher, daß der nach Durchführung des Trennschnitts aus der Rotation der bereits vollbewickelten Aufnahmewalze für den neuen Warenbahnabschnitt entfallende Warenbahnzug unterbrechungslos ersetzt wird. Der neue Warenbahnabschnitt läuft daher, angetrieben vom Zugwalzenpaar, mit unveränderter Geschwindigkeit der noch zu bewickelnden Aufnahmewalze zu. Ist der so eingeleitete Anwickelvorgang beendet, kann auf den Außenumfang der nun im Bewickeln begriffenen Aufnahmewalze eine Antriebswalze gepreßt werden und die Funktion des Zugwalzenpaares ersetzen. Auch können sodann die Umlenkwalzen, welche die Umschlingung der Aufnahmewalze mit dem neuen Warenbahnabschnitt sichergestellt haben, insgesamt so verschwenkt werden, daß sie den beim Weiterbewickeln im Durchmesser anwachsenden neuen Warenbahnwickel nicht behindern.According to the method of the invention, a web section that is part of the continuous incoming web remains around a partial circumference of the still unwound pick-up roll and fulfills two functions. On the one hand, the material web section is set in rotation by the wrapping of the take-up roller in such a way that the peripheral speed of the take-up roller and the feed speed of the material web essentially coincide. On the other hand, the web section is used in connection with the take-up roller to form a gusset in order to take up the new start of the web formed by the separating cut and to guide the take-up roller around with unchanged feed speed and to press against it. In the meantime, the pair of pull rollers placed over the gusset ensures that the web train that is no longer required for the new web section after the separation cut from the rotation of the already fully wound pick-up roll is replaced without interruption. The new web section therefore runs, driven by the pair of draw rollers, at unchanged speed towards the take-up roller still to be wound. When the winding process thus initiated has ended, a drive roller can be pressed onto the outer circumference of the take-up roller now being wound and replace the function of the pair of pull rollers. The deflection rollers, which have ensured that the take-up roller is wrapped around the new web section, can then be pivoted overall in such a way that they do not hinder the new web roll which increases in diameter as it is further wound.

Zur Durchführung des erfindungsgemäßen Verfahrens bietet sich eine Vorrichtung an, die zwei jeweils senkrecht zu ihrer Längsachse verlagerbare Aufnahmewalzen und eine in schwenkbaren Tragarmen gelagerte, gegen den Außenumfang des sich um die Aufnahmewalzen bildenden Warenbahnwickels andrückbare Antriebswalze aufweist. Eine derartige Vorrichtung ist dadurch zur Durchführung des Verfahrens besonders geeignet, wenn sie erfindungsgemäß durch folgende Merkmale gekennzeichnet ist:
- eine zweite Antriebswalze, die in einem schwenkbaren Walzenstuhl gelagert und auf den Außenumfang des sich um die noch zu bewickelnde zweite Aufnahmewalze bildenden Warenbahnwickels auflegbar ist,
- eine Gruppe von Umlenkwalzen, die in einem gemeinsamen Traggestell gelagert ist, das seinerseits schwenkbar am Walzenstuhl gelagert ist,
- zwei im Walzenstuhl nebeneinandergelagerte, gegeneinanderpreßbare Walzen, von denen mindestens eine Walze angetrieben ist,
- ein im Walzenstuhl unterhalb der gegeneinanderpreßbaren Walzen rotierbar gelagertes, sich über die maximale Breite einer Warenbahn erstreckendes Schneidorgan,
- eine Führung der Warenbahn um die einzelnen Umlenkwalzen derart, daß sich das Traggestell mit den Umlenkwalzen unbehindert in eine Position schwenken läßt, bei der die Warenbahn die noch zu bewickelnde Aufnahmewalze über einen Teil ihres Umfangs umschlingt,
- eine Verschwenkbarkeit des Walzenstuhls und des Traggestells mit den Umlenkwalzen in eine Position, durch welche ein Warenbahnteilstück und die noch zu bewickelnde Aufnahmewalze ein in Laufrichtung der Warenbahn und in Umfangsrichtung dieser Aufnahmewalze einen sich verengenden Zwickel bilden, dessen Öffnung in einem Bereich unterhalb einer gemeinsamen senkrechten Tangente der beiden aufeinanderpreßbaren Walzen liegt.For carrying out the method according to the invention, a device is suitable which has two pick-up rolls which can be displaced perpendicular to their longitudinal axis and a drive roll which is mounted in pivotable support arms and can be pressed against the outer circumference of the web roll forming around the pick-up rolls. Such a device is particularly suitable for carrying out the method if it is characterized according to the invention by the following features:
a second drive roller which is mounted in a swiveling roller mill and can be placed on the outer circumference of the web roll forming around the second take-up roller which is still to be wound,
a group of deflecting rollers which is mounted in a common support frame which in turn is pivotably mounted on the roller mill,
two rollers which are mounted next to one another in the roller mill and can be pressed against one another, of which at least one roller is driven,
a cutting member rotatably mounted in the roller mill below the rollers that can be pressed against one another and extending over the maximum width of a web,
guiding the material web around the individual deflecting rollers in such a way that the support frame with the deflecting rollers can be swiveled freely into a position in which the material web wraps around the pick-up roller still to be wound over part of its circumference,
- A pivotability of the roller mill and the support frame with the deflecting rollers into a position by which a web section and the take-up roll still to be wound form a narrowing gusset in the running direction of the web and in the circumferential direction of this take-up roll, the opening of which in a region below a common vertical Tangent of the two rollers that can be pressed together.

Um das Traggestell mit den Umlenkwalzen wahlweise in eine Position bringen zu können, bei der die Warenbahn die noch zu bewickelnde Aufnahmewalze umschlingt, und um nach dem Anwickelvorgang das Traggestell mit den Umlenkwalzen unbehindert aus der vorbeschriebenen Anwickelposition herausschwenken zu können, sieht eine Ausgestaltung der Erfindung vor, daß jede Seite des Traggestells aus einem gestreckten Schenkel, einem etwa in der Mitte des gestreckten Schenkels senkrecht zu diesem ausgerichteten Schenkel und einem an einem Ende des gestreckten Schenkels winkelförmig angeschlossenen gekröpften Schenkel besteht, wobei an den Enden der Schenkel jeweils eine Umlenkwalze gelagert ist und wobei das Traggestell um die Achse einer im Walzenstuhl gelagerten Umlenkwalze schwenkbar ist.In order to be able to bring the support frame with the deflection rollers optionally into a position in which the web wraps around the take-up roller still to be wound, and to be able to swing the support frame with the deflection rollers unhindered out of the described winding position after the winding process, an embodiment of the invention provides that each side of the support frame consists of an elongated leg, a leg approximately aligned in the middle of the elongated leg perpendicular to this and an angled leg angularly connected to one end of the elongated leg, a deflection roller being mounted at each end of the legs and wherein the support frame is pivotable about the axis of a guide roller mounted in the roller mill.

Durch diese Ausgestaltung läßt sich das Traggestell mit den Umlenkwalzen unbehindert durch die anzuwickelnde und schließlich angewickelte Aufnahmewalze von der einen in die andere Position verschwenken.With this configuration, the support frame with the deflecting rollers can be swiveled freely from one position to the other by the take-up roller which is to be wound and finally wound.

Eine weitere Ausgestaltung der Erfindung sieht schließlich noch vor, daß der Walzenstuhl um eine in einem Gestell der Vorrichtung gelagerte Achse mit Hilfe einer Zylinder-Kolbenstangen-Einheit schwenkbar ist, die gleichfalls am Gestell der Vorrichtung angelenkt ist.A further embodiment of the invention finally provides that the roller mill can be pivoted about an axis mounted in a frame of the device with the aid of a cylinder-piston rod unit which is likewise articulated on the frame of the device.

Es versteht sich, daß eine vergleichbar angelenkte Zylinder-Kolbenstangen-Einheit gleichfalls zum Verschwenken des Traggestells von der einen in die andere Position vorgesehen sein kann, wobei diese Zylinder-Kolbenstangen-Einheit dann am seinerseits schwenkbaren Walzenstuhl anzulenken ist.It is understood that a similarly articulated cylinder-piston rod unit can also be provided for pivoting the supporting frame from one position to the other, this cylinder-piston rod unit then being articulated on the roller mill which in turn can be pivoted.

In der Zeichnung ist ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung schematisch dargestellt. Es zeigen:

  • Fig. 1 die Vorrichtung kurz vor Vollendung eines Wickels auf einer ersten Aufnahmewalze;
  • Fig. 2 die Vorrichtung nach einer Verlagerung der ersten bewickelten Aufnahmewalze und des Einsatzes der nachfolgenden, noch zu bewickelnden Aufnahmewalze bei bereits durchtrennter Warenbahn.
In the drawing, an embodiment of the device according to the invention is shown schematically. Show it:
  • Figure 1 shows the device shortly before completion of a roll on a first pickup roller.
  • Fig. 2 shows the device after a displacement of the first wound take-up roller and the use of the subsequent take-up roller, which is still to be wound, with the web already cut.

Die Vorrichtung besteht im wesentlichen aus einem Walzenstuhl 1, der um eine Achse 2 schwenkbar in einem feststehenden Gerüst 3 gelagert ist. Über je eine zu beiden Seiten der Vorrichtung angeordnete Zylinder-Kolbenstangen-Einheit 4, die über Zapfen 5 und 6 am Walzenstuhl 1 bzw. am Gerüst 3 gelagert ist, läßt sich der Walzenstuhl 1 auf- und abschwenken.The device consists essentially of a roller mill 1, which is pivotally mounted about an axis 2 in a fixed stand 3. The roller mill 1 can be swiveled up and down by means of a cylinder-piston rod unit 4 which is arranged on both sides of the device and is mounted on pins 5 and 6 on the roller mill 1 or on the stand 3.

Im Bereich seines freien Endes ist der Walzenstuhl 1 mit einer Antriebswalze 7 versehen, die gegen den Außenumfang eines Wickels 8 andrückbar ist, der auf einer Aufnahmewalze 9 gebildet wird, um diese bis zu einem bestimmten Durchmesser zu bewickeln.In the region of its free end, the roller mill 1 is provided with a drive roller 7 which can be pressed against the outer circumference of a winding 8 which is formed on a take-up roller 9 in order to wind it up to a certain diameter.

Weiterhin ist der Walzenstuhl 1 mit einem rotierbaren Schneidorgan 10 ausgestattet, um nach Vollendung des Wickels 8 eine in Pfeilrichtung diesem zulaufende Warenbahn 11 über ihre volle Breite durchzutrennen.Furthermore, the roller mill 1 is equipped with a rotatable cutting element 10 in order to cut through the full width of a web 11 tapering in the direction of the arrow after the winding 8 has been completed.

Schließlich ist im Walzenstuhl 1 ein Gestell 12 um eine Achse 13 schwenkbar und mit einer Gruppe von Umlenkwalzen 14, 15, 16 und 17 bestückt, von denen letztere - wie das Gestell 12 - gleichfalls auf der Achse 13 gelagert ist. Über diese Umlenkwalzen 14 bis 17 gelangt die Warenbahn, die über eine im Gerüst 3 gelagerte Leitwalze 18 der Vorrichtung zugeführt wird, auf die Aufnahmewalze 9, wobei zwischen der Umlenkwalze 17 und dem der Antriebswalze 7 in Laufrichtung der Warenbahn 11 vorgelagerten Schneidorgan 10 zwei gegeneinanderpreßbare Walzen 19 angeordnet sind, zwischen denen die Warenbahn 11 geführt ist und von denen mindestens eine antreibbar ist.Finally, in the roller mill 1, a frame 12 can be pivoted about an axis 13 and is equipped with a group of deflecting rollers 14, 15, 16 and 17, of which the latter - like the frame 12 - is also mounted on the axis 13. About these deflection rollers 14 to 17 the material web, which is fed to the device via a guide roller 18 mounted in the stand 3, reaches the take-up roller 9, two rollers 19 which can be pressed against one another being arranged between the deflection roller 17 and the cutting element 10 upstream of the drive roller 7 in the running direction of the material web 11, between them the web 11 is guided and at least one of which can be driven.

Sobald der Wickel 8 den vorgesehenen Durchmesser erreicht hat, wird er mit Hilfe eines die Aufnahmewalze 9 frei drehbar haltenden Wagens 20 aus der in Fig. 1 dargestellten in die in Fig. 2 dargestellte Position verfahren. Währenddessen wird zunächst noch durch eine weitere Antriebswalze 21, die auf dem Wickel 8 aufliegt und von Schwenkarmen 22 getragen ist, die am Gerüst 3 angelenkt sind, der Wickel 8 angetrieben.As soon as the winding 8 has reached the intended diameter, it is moved from the position shown in FIG. 1 to the position shown in FIG. 2 with the aid of a carriage 20 which can freely rotate the take-up roll 9. In the meantime, the winding 8 is driven by a further drive roller 21, which rests on the winding 8 and is supported by swivel arms 22 which are articulated on the frame 3.

In die frei gewordene Ausgangsposition der Aufnahmewalze 9 wird sodann über einen Wagen 20′ eine noch unbewickelte Aufnahmewalze 9′ gefahren und der Walzenstuhl 1 und in diesem das Gestell 12 so verschwenkt, daß die Aufnahmewalze 9′ von der mit unveränderter Geschwindigkeit der Aufnahmewalze 9 noch zulaufenden Warenbahn 11 umschlungen und ihrerseits angetrieben wird. Unterhalb der gegeneinandergepreßten Walzen 19 entsteht dadurch ein Zwickel 23, in den die Warenbahn 11 nach ihrer Durchtrennung durch das Schneidorgan 10 mit ihrem neuen Anfang hineingeleitet wird. Die Zulaufgeschwindigkeit der Warenbahn 11 wird nunmehr allein durch die gegeneinandergepreßten Walzen 19, von denen eine entsprechend angetrieben ist, aufrechterhalten. Dabei stellt die Umschlingung der Aufnahmewalze 9′ durch die Warenbahn 11 sicher, daß die Aufnahmewalze 9′ gleichfalls mit der Zulaufgeschwindigkeit der Warenbahn 11 angetrieben wird.In the released starting position of the take-up roller 9 is then moved over a carriage 20 'a still unwrapped take-up roller 9' and the roller mill 1 and in this the frame 12 is pivoted so that the take-up roller 9 'of the with unchanged speed of the take-up roller 9 still tapering Web 11 wrapped and driven in turn. Below the rollers 19 pressed against each other, this results in a gusset 23 into which the web 11, after being severed by the cutting member 10, is guided with its new beginning. The feed speed of the web 11 is now maintained solely by the rollers 19 pressed against one another, one of which is driven accordingly. The looping of the take-up roller 9 'through the web 11 ensures that the take-up roller 9' is also driven at the feed rate of the web 11.

Ist auf diese Weise der Anwickelvorgang auf der Wickelwalze 9′ nach einigen Umschlingungen abgeschlossen, wird das Gestell 12 mit den Umlenkwalzen 14 bis 17 in die in Fig. 1 dargestellte Position zurückgeschwenkt und die Antriebswalze 7 so gegen den sich bildenden neuen Wickel gedrückt, daß die Antriebswalze 7 den Antrieb übernimmt, den bis dahin die Walzen 19 sichergestellt haben.In this way, the winding process on the winding roller 9 'is completed after a few loops, the frame 12 is pivoted back with the deflection rollers 14 to 17 in the position shown in Fig. 1 and the drive roller 7 so pressed against the new reel that the Drive roller 7 takes over the drive that the rollers 19 have ensured until then.

Bei der erfindungsgemäßen Vorrichtung wird also die Warenbahn 11 unmittelbar selbst als Mittel dazu benutzt, die jeweils neue Aufnahmewalze 9′ anzutreiben und den Warenbahnanfang fest gegen den Außenumfang der Aufnahmewalze 9′ zu pressen, so daß dazu besondere Hilfsmittel nicht erforderlich sind.In the device according to the invention, the web 11 is itself used directly as a means to drive the new take-up roller 9 'and to firmly press the start of the web against the outer circumference of the take-up roller 9', so that special aids are not required.

Claims (4)

1. Verfahren zum Aufwickeln und Querschneiden einer laufenden Warenbahn, die so lange auf eine angetriebene Aufnahmewalze gewickelt wird, bis ein bestimmter Wickeldurchmesser erreicht ist, worauf die Aufnahmewalze aus der Wickelposition senkrecht zu ihrer Längserstreckung verlagert und eine noch unbewickelte, über einen Teil ihres Umfanges von der Warenbahn umschlungene nachfolgende Aufnahmewalze in die Wickelposition überführt wird, bevor ein mit der Laufgeschwindigkeit der Warenbahn rotierendes Schneidorgan die Warenbahn zwischen der bewickelten und der noch unbewickelten Aufnahmewalze senkrecht zur Laufrichtung durchtrennt, dadurch gekennzeichnet, daß durch ein Warenbahnteilstück und die noch unbewickelte Aufnahmewalze ein sich in Laufrichtung der Warenbahn und in Drehrichtung der Aufnahmewalze verengender Zwickel gebildet wird, in den der durch den Trennschnitt entstandene neue Warenbahnanfang eingeleitet und durch das einen Teil des Umfanges der noch unbewickelten Aufnahmewalze umschlingende Warenbahnteilstück gegen deren Oberfläche gepreßt wird, wobei der Antrieb dieser Aufnahmewalze einstweilen durch die kontinuierlich laufende Warenbahn erfolgt, deren neues Anfangsstück zwischen einem Zugwalzenpaar in unveränderter Geschwindigkeit gefördert und über den Zwickel der nunmehr zu bewickelnden Aufnahmewalze zugeleitet wird.1. A method for winding and cross-cutting a running web, which is wound on a driven take-up roller until a certain winding diameter is reached, whereupon the take-up roller shifts from the winding position perpendicular to its longitudinal extension and a still unwrapped part of its circumference the subsequent take-up roller wrapped around the web is transferred into the winding position before a cutting member rotating at the running speed of the web cuts the web between the wound and the still unwound take-up roll perpendicular to the direction of travel, characterized in that a part of the web and the still unwound take-up roll are in one Direction of travel of the web and gusset narrowing in the direction of rotation of the take-up roller is formed, into which the new beginning of the web created by the separating cut is introduced and through part of the circumference of the still unwound take-up lze wrapping web section is pressed against the surface thereof, the drive of this take-up roll is temporarily carried out by the continuously running web, the new starting piece between a pair of pulling rollers is conveyed at unchanged speed and fed via the gusset to the take-up roll which is now to be wound. 2. Vorrichtung zum Aufwickeln und Querschneiden einer laufenden Warenbahn mit zwei jeweils senkrecht zu ihrer Längsachse verlagerbaren Aufnahmewalzen und einer in schwenkbaren Tragarmen gelagerten, gegen den Außenumfang des sich um die Aufnahmewalzen bildenden Warenbahnwickels andrückbaren Antriebswalze zur Durchführung des Verfahrens nach Anspruch 1, gekennzeichnet durch:
- eine zweite Antriebswalze (7), die in einem schwenkbaren Walzenstuhl (1) gelagert und auf den Außenumfang des sich um die noch zu bewickelnde zweite Aufnahmewalze (9′) bildenden Warenbahnwickels (8′) auflegbar ist,
- eine Gruppe von Umlenkwalzen (14 bis 17), die in einem gemeinsamen Traggestell (12) gelagert sind, das seinerseits schwenkbar am Walzenstuhl (1) gelagert ist,
- zwei im Walzenstuhl (1) nebeneinander gelagerte, gegeneinander preßbare Walzen (19), von denen mindestens eine Walze angetrieben ist,
- ein im Walzenstuhl (1) unterhalb der gegeneinander preßbaren Walzen (19) rotierbar gelagertes, sich über die maximale Breite einer Warenbahn (11) erstreckendes Schneidorgan (10),
- eine Führung der Warenbahn (11) um die einzelnen Umlenkwalzen (14 bis 17) derart, daß sich das Traggestell (12) mit den Umlenkwalzen (14 bis 17) unbehindert in eine Position schwenken läßt, bei der die Warenbahn (11) die noch zu bewickelnde Aufnahmewalze (9′) über einen Teil ihres Umfanges umschlingt,
- eine Verschwenkbarkeit des Walzenstuhls (1) und des Traggestells (12) mit den Umlenkwalzen (14 bis 17) in eine Position, durch welche ein Teilstück der Warenbahn (11) und die noch zu bewickelnde Aufnahmewalze (9′) ein in Laufrichtung der Warenbahn (11) und in Umfangsrichtung dieser Aufnahmewalze (9′) einen sich verengenden Zwickel (23) bilden, dessen Öffnung in einem Bereich unterhalb einer gemeinsamen senkrechten Tangente der beiden aufeinanderpreßbaren Walzen (19) liegt.2.Device for winding and cross-cutting a running web of material with two pick-up rolls which can be displaced perpendicularly to their longitudinal axis and a drive roller which is mounted in pivotable support arms and can be pressed against the outer circumference of the web roll forming around the pick-up rolls for carrying out the method according to claim 1, characterized by:
- A second drive roller (7), which is mounted in a swiveling roller mill (1) and can be placed on the outer circumference of the web roll (8 ') forming around the second take-up roller (9') to be wound,
a group of deflecting rollers (14 to 17) which are mounted in a common support frame (12) which in turn is pivotably mounted on the roller frame (1),
- two rollers (19) which are mounted next to one another in the roller mill (1) and can be pressed against one another, of which at least one roller is driven,
a cutting member (10) which is rotatably mounted in the roller mill (1) below the rollers (19) which can be pressed against one another and extends over the maximum width of a product web (11),
- A guide of the web (11) around the individual deflection rollers (14 to 17) such that the support frame (12) with the deflection rollers (14 to 17) can pivot freely into a position in which the web (11) still take-up roller (9 ′) to be wound over part of its circumference,
- A pivotability of the roller mill (1) and the support frame (12) with the deflecting rollers (14 to 17) into a position through which a section of the web (11) and the take-up roller (9 ') still to be wound one in the running direction of the web (11) and in the circumferential direction of this receiving roller (9 ') form a narrowing gusset (23), the opening of which lies in a region below a common vertical tangent of the two rollers (19) which can be pressed together. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß jede Seite des Traggestells (12) aus einem gestreckten Schenkel, einem etwa in der Mitte des gestreckten Schenkels senkrecht zu diesem ausgerichteten Schenkel und einem an einem Ende des gestreckten Schenkels winkelförmig angeschlossenen gekröpften Schenkel besteht, wobei an den Enden der Schenkel jeweils eine Umlenkwalze (14 bis 17) gelagert ist und wobei das Traggestell (12) um die Achse (13) einer im Walzenstuhl (1) gelagerten Umlenkwalze (17) schwenkbar ist.3. Apparatus according to claim 2, characterized in that each side of the support frame (12) consists of an elongated leg, an approximately in the middle of the elongated leg perpendicular to this leg and an angled leg connected at one end of the elongated leg, a deflecting roller (14 to 17) is mounted at each end of the legs and the support frame (12) can be pivoted about the axis (13) of a deflecting roller (17) mounted in the roller mill (1). 4. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Walzenstuhl (1) um eine in einem Gerüst (3) der Vorrichtung gelagerte Achse (2) mit Hilfe mindestens einer Zylinder-Kolbenstangen-Einheit (4) schwenkbar ist, die gleichfalls am Gerüst (3) der Vorrichtung angelenkt ist.4. Apparatus according to claim 2 or 3, characterized in that the roller mill (1) about an in a frame (3) of the device mounted axis (2) with the aid of at least one cylinder-piston rod unit (4) which is also pivotable is articulated on the frame (3) of the device.
EP90100688A 1989-05-05 1990-01-13 Method and device for winding and crosscutting a web Expired - Lifetime EP0395830B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3914776A DE3914776C2 (en) 1989-05-05 1989-05-05 Method and device for winding and cross cutting a running web
DE3914776 1989-05-05

Publications (3)

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EP0395830A2 true EP0395830A2 (en) 1990-11-07
EP0395830A3 EP0395830A3 (en) 1992-02-12
EP0395830B1 EP0395830B1 (en) 1995-05-17

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EP90100688A Expired - Lifetime EP0395830B1 (en) 1989-05-05 1990-01-13 Method and device for winding and crosscutting a web

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US (1) US5028011A (en)
EP (1) EP0395830B1 (en)
AT (1) ATE122639T1 (en)
DE (2) DE3914776C2 (en)
DK (1) DK0395830T3 (en)
ES (1) ES2074090T3 (en)

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US5556052A (en) * 1993-07-23 1996-09-17 Knaus; Dennis A. Method and apparatus for winding
US5470030A (en) * 1993-12-17 1995-11-28 Guilford Mills, Inc. Fabric take-up frame for a textile fabric producing machine
JP3043428B2 (en) * 1995-07-25 2000-05-22 エデュアルド・キュスターズ・マシーネンファブリーク・ゲーエムベーハー・ウント・コンパニー・カーゲー Fiber web winding device
US5707612A (en) * 1996-04-08 1998-01-13 Alzo, Inc. Use urethane polymers of castor oil skin and personal care product compositiions
US6536702B1 (en) 1998-06-10 2003-03-25 The Goodyear Tire And Rubber Company Surface winding on an a-frame winder
US6062507A (en) * 1999-01-29 2000-05-16 Alexander Machinery, Inc. Vertical winder and method
US6606929B2 (en) * 2001-06-25 2003-08-19 Joseph H. Evreniadis Apparatus and method for cutting gel and other sheet materials
WO2003038177A1 (en) * 2001-11-02 2003-05-08 My Anh Co., Ltd Cross cutting machine
ES2203303B1 (en) * 2001-11-29 2005-02-16 Rafael Pascual Bernabeu MACHINE TO CALENDAR, STAMP, LOCK, RECORD AND BRUSH SIMULTANEOUSLY.
DE10342213A1 (en) * 2003-09-12 2005-04-07 Voith Paper Patent Gmbh Method for winding a moving material web and winding machine for carrying out the method
KR101508167B1 (en) * 2013-11-06 2015-04-07 한국타이어 주식회사 Winding apparatus of carcass cutting process

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DE3516836A1 (en) * 1985-05-10 1986-11-20 H. Krantz Gmbh & Co, 5100 Aachen Method and device for winding a web of material

Also Published As

Publication number Publication date
ATE122639T1 (en) 1995-06-15
DE59009079D1 (en) 1995-06-22
DE3914776C2 (en) 1994-09-29
ES2074090T3 (en) 1995-09-01
DE3914776A1 (en) 1990-11-08
EP0395830A3 (en) 1992-02-12
DK0395830T3 (en) 1995-10-09
US5028011A (en) 1991-07-02
EP0395830B1 (en) 1995-05-17

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