EP0873959B1 - Winding machine - Google Patents

Winding machine Download PDF

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Publication number
EP0873959B1
EP0873959B1 EP98106841A EP98106841A EP0873959B1 EP 0873959 B1 EP0873959 B1 EP 0873959B1 EP 98106841 A EP98106841 A EP 98106841A EP 98106841 A EP98106841 A EP 98106841A EP 0873959 B1 EP0873959 B1 EP 0873959B1
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EP
European Patent Office
Prior art keywords
web
winding machine
accordance
roll
coil
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
EP98106841A
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German (de)
French (fr)
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EP0873959A2 (en
EP0873959A3 (en
Inventor
Jens Krüger
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Voith Patent GmbH
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Voith Paper Patent GmbH
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Publication of EP0873959A2 publication Critical patent/EP0873959A2/en
Publication of EP0873959A3 publication Critical patent/EP0873959A3/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/10Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web
    • B65H23/105Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web and controlling web tension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00Winding webs
    • B65H18/08Web-winding mechanisms
    • B65H18/14Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/414Winding
    • B65H2301/4148Winding slitting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/414Winding
    • B65H2301/4148Winding slitting
    • B65H2301/41486Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414866Winding slitting winding on two or more winding shafts simultaneously on bed rollers

Definitions

  • the invention relates to a winding machine for producing at least one Winding from a supplied material web, such as in particular one Paper and / or cardboard web, in which the material web by a slitter guided and the partial webs of the slit Material web each on a one formed in particular by a sleeve Core are wound up, one emerging on each core Wound supported on at least one particularly drivable support roller and the winding hardness by a web tension interrupter can be influenced, and wherein the web train interruption device is provided directly in front of a point in the direction of web travel, on which the supplied material web or its partial webs to a respective one Support roller run up, as well as between the slitter and the run-up point is arranged and at least one of them Back-up roll comprises spatially separate roll.
  • a winding machine is known for example from DE-U-91 16 467.
  • the web tension interruption device is a free-running roller against a drivable Back-up roller can be pressed onto which the previously by a slitter guided material web runs up.
  • a winding machine is known for example from DE 40 12 979 C2.
  • the aim of the invention is to provide a winding machine of the type mentioned to create that not only easily with minimal effort Setting higher winding hardnesses in a respective emerging winding allowed, but at the same time also a greater variability in terms a separate influence on the tensile stresses of the different Partial webs guaranteed.
  • the at least a roller spatially separate from the relevant support roller is and that the web train interruption device transverse to The web running direction is divided into segments and each partial web is a slit Material web is assigned to at least one segment, wherein the tensile stresses of the various partial webs over the assigned to them Segments or Segmet groups can be influenced independently of each other are.
  • the least a roller spatially separate from the relevant support roller is preferred can be driven independently of the backup roller.
  • the web train interruption device is thus not only separate from the back-up roller is provided, on which the supplied longitudinally cut material web runs up, in a certain, preferably relatively short Distance from the run-up point is arranged. It is special also drivable and segmented so that over the segments or segment groups a separate influence on the tensile stresses of the different Partial webs is possible, which in particular also gives the possibility for further optimization of the respective operating conditions is created. This gives you a lot more overall Freedoms both with regard to the longitudinal tension of the material web Independent adjustment of the longitudinal tension in the run-up area the material web in the area of the slitter as well as in terms of a separate influence on the tensile stresses of the different Partial webs.
  • the winding machine known from DE 40 12 979 C2 different active element can by generating a speed difference between the reel and the web train interruption device (Stretching of paper) an influence on the winding hardness can be realized.
  • the invention is basically also in a rewinder, that is in one System without slitter, but with a rewinder a sleeve-like core, for example, applicable.
  • the material web to be wound can, for example, from a unwind station or directly from a web manufacturing machine such as come on a paper machine.
  • sleeve-like Core on which the material web or a respective partial web is wound is drivable. It is particularly advantageous here if at least one winding on one forming the associated core Sleeve is generated and the device in question to initiate a Torque in this winding at least one engaging in a sleeve end drivable guide head includes.
  • connection between a respective guide head and the sleeve can for example by means of a clamping head in DE 36 36 457 C2 described manner.
  • At least one resulting wrap can pass through at least one drivable loading device, preferably a loading roller, to be acted upon by this loading device initiate a torque in the winding.
  • the wrap can go through the loading device is pressed against one or more support rollers his.
  • the loading device can be driven independently of the backup roller. Through the Generation of a circumferential force difference between several circumferential drives the winding hardness or the web tension can thus be increased.
  • the web train interruption device can, for example, a pair of rollers comprise, in particular from a preferably segmented Guide roller and a preferably segmented pinch roller.
  • the Web train interrupter a set of several each of wrapped around the material web, preferably at least partially segmented Guide rollers, the wrap angle preferably each are greater than 45 °. In at least one of the guide rollers, the Wrap angle also expediently greater than or equal to 90 ° his.
  • the web train interruption device can, for example be formed by a set of three strongly wrapped guide rollers, as described in US-A-3,157,371.
  • the web train interruption device is by a conveniently segmented, formed by the material web wrapped guide roller, wherein the wrap angle is advantageously greater than 45 ° and preferably is greater than or equal to 90 °.
  • Figures 1 to 6 show different versions of a winding machine for producing at least one, preferably several, coils 10 from a supplied material web 12, such as in particular a paper and / or Cardboard web, for example from a unwind station 14 (see Figure 1) or directly from a web manufacturing machine such as a paper machine.
  • a supplied material web 12 such as in particular a paper and / or Cardboard web
  • a unwind station 14 see Figure 1
  • a web manufacturing machine such as a paper machine.
  • a longitudinal cutting device 16 is provided, through which the material web 12 is guided around several partial webs before winding to build.
  • These partial webs are each one in the present Case wound by a sleeve 18 formed core. It is a winding 10 arising on a respective sleeve 18 at least a drivable support roller 20 is supported.
  • the winding hardness through a respective, preferably segmented web interruption device 22 influenceable in the direction of web travel L is provided immediately in front of a point S at which the material web supplied 12 or their partial webs on a respective support roller 20 run up, and at least one of the backup roller in question 20 spatially separated, preferably independent of the support roller 20th drivable, preferably segmented roller 24 comprises.
  • the web train interruption device is 22 in the web running direction L in each case between the Longitudinal cutting device 16 and the relevant run-up point S are arranged.
  • the sleeve 18, on the material web 12 or a respective partial web is wound, can be driven.
  • an emerging one Wind 10 also by a drivable loading device such as be loaded by a loading roller through the Torque can be introduced into the winding 10.
  • the person concerned can Wind 10 by such a loading device against one or more Back-up rollers 20 must be pressed.
  • the drive torques of various windings 10 that are created are preferred can be controlled and / or regulated independently of one another.
  • the web train interruption device 22 is transverse to the web running direction L preferably divided into segments, with each partial web at least one segment is assigned to the longitudinally cut material web 12 is. In this case, the are assigned to the different partial webs Segments or segment groups preferably independently of one another drivable.
  • Figure 1 shows an embodiment of a winding machine in the form of a double carrier roller machine with a single changing bed for one, preferably several windings to be produced 10.
  • the two to be recognized in FIG. 1 Back-up rolls 20 serve here as support rolls on which the respective Wind 10 rests.
  • the web train interrupter 22 of this embodiment includes a pair of rollers consisting of a driven guide roller 24 and a Pinch roller 26 exists.
  • the driven guide roller 24 and / or The clamping roller 26 is preferably segmented transversely to the web running direction L.
  • the material web 12 is driven by a Roll 28 removed. Following this, the removed material web 12 first led around at least one guide roller 30 before it Slitter 16 is supplied.
  • the drive points can be individually controlled and / or regulated.
  • Figure 2 shows an embodiment in the form of a three carrier roller machine two changing beds for at least two staggered Wrap 10.
  • each winding 10 lies on the one hand on a central support roller 20 and on the other hand on a respective one outer backup roller 20, being between the two concerned each other adjacent support rollers 20 a respective winding bed is formed becomes.
  • the web train interruption device 22 comprises, for example, two driven guide rollers 24, at least one of which is preferably segmented is, as well as a further, non-driven guide roller 32
  • the respective wrap angle is clear to all guide rollers 24, 32 greater than 45 °. As can be seen from FIG. 2, this is Wrap angle in the middle, driven guide roller 24 clearly greater than 90 °. Not in the one in front of it in the direction of web travel L. driven guide roller 32 and the rear driven guide roller 24 is the wrap angle in the present embodiment in each case between 90 and 180 °, but basically also others Wrap angles are possible.
  • Figure 3 shows an embodiment in the form of a mono backing roll machine preferably for at least two staggered windings 10th
  • the web train interrupter 22 includes, as in the case of execution according to FIG. 1 again a pair of rollers, which consists of a driven, preferably segmented guide roller 24 and one preferably segmented pinch roller 26.
  • Figure 4 shows an embodiment in the form of a double mono back-up roll machine for at least two staggered Wrap 10.
  • the web train interrupter 22 of this embodiment includes just like the designs according to FIGS. 1 and 3, again a pair of rollers, that of a driven, preferably segmented guide roller 24 and a preferably segmented pinch roller 26.
  • a driven, preferably segmented guide roller 24 and a preferably segmented pinch roller 26 According to Figure 4, the pinch roller 26 by a pressing device 34 pressed against the driven guide roller 24.
  • a corresponding Pressure device 34 is also expedient in the case of the figures 1 and 3 shown versions provided.
  • FIG. 5 shows an embodiment of a winding machine similar to FIG. 3, in which the web train interruption device 22, however, by a only strongly wrapped, individually drivable and preferably segmented guide roller 24 is formed.
  • the wrap angle is in this case about 180 °.
  • the two windings 10 which can be seen in FIG. 5 are located opposite one another Arranged sides of a central support roller 20.
  • FIG. 6 shows an embodiment of a winding machine similar to FIG. 4, in which the web train interruption device 22 again a single strongly wrapped, individually drivable as well as preferably segmented guide roller 24 is formed.
  • the wrap angle is greater than 180 °.
  • the different segments can be used for all versions and / or segment groups of a respective driven segmented Roller can be driven separately and / or the different Segments and / or segment groups of a respective pinch roller separated be pushable.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Description

Die Erfindung betrifft eine Wickelmaschine zur Erzeugung wenigstens eines Wickels aus einer zugeführten Materialbahn wie insbesondere einer Papier- und/oder Kartonbahn, bei der die Materialbahn durch eine Längsschneideinrichtung geführt und die Teilbahnen der längsgeschnittenen Materialbahn jeweils auf einen insbesondere durch eine Hülse gebildeten Kern aufgewickelt werden, wobei ein auf einem jeweiligen Kern entstehender Wickel an wenigstens einer insbesondere antreibbaren Stützwalze abgestützt und die Wickelhärte durch eine Bahnzug-Unterbrechungseinrichtung beeinflußbar ist, und wobei die Bahnzug-Unterbrechungseinrichtung in Bahnlaufrichtung unmittelbar vor einer Stelle vorgesehen ist, an der die zugeführte Materialbahn bzw. deren Teilbahnen auf eine jeweilige Stützwalze auflaufen, sowie zwischen der Längsschneideinrichtung und der Auflaufstelle angeordnet ist und wenigstens eine von der betreffenden Stützwalze räumlich getrennte Walze umfaßt. Eine solche Wickelmaschine ist beispielsweise aus der DE-U-91 16 467 bekannt.The invention relates to a winding machine for producing at least one Winding from a supplied material web, such as in particular one Paper and / or cardboard web, in which the material web by a slitter guided and the partial webs of the slit Material web each on a one formed in particular by a sleeve Core are wound up, one emerging on each core Wound supported on at least one particularly drivable support roller and the winding hardness by a web tension interrupter can be influenced, and wherein the web train interruption device is provided directly in front of a point in the direction of web travel, on which the supplied material web or its partial webs to a respective one Support roller run up, as well as between the slitter and the run-up point is arranged and at least one of them Back-up roll comprises spatially separate roll. Such a winding machine is known for example from DE-U-91 16 467.

Bei den meisten der bisher üblichen Wickelmaschinen ist die Bahnzug-Unterbrechungseinrichtung eine freilaufende Walze, die gegen eine antreibbare Stützwalze andrückbar ist, auf die die zuvor durch eine Längsschneideinrichtung geführte Materialbahn aufläuft. Eine derartige Wikkelmaschine ist beispielsweise aus der DE 40 12 979 C2 bekannt. In most of the winding machines that have been common up to now, the web tension interruption device is a free-running roller against a drivable Back-up roller can be pressed onto which the previously by a slitter guided material web runs up. Such a winding machine is known for example from DE 40 12 979 C2.

Mit einer solchen Bahnzug-Unterbrechungseinrichtung wird zwar durch derartige aktive Elemente wie beispielsweise einen Zentrumsantrieb in der Papierrolle und einen Bremsgenerator der Abrollung die Möglichkeit geschaffen, in der Materialbahn für das Längsschneiden eine andere Längsspannung als für das Aufwickeln zu erzeugen, so daß einerseits die Wikkelhärte in der entstehenden Wickelrolle beeinflußt und andererseits unabhängig davon für eine bestimmte Längsspannung beim Längsschneiden gesorgt werden kann. In moderneren Papierherstellungs- oder Verarbeitungs-Anlagen besteht nun aber häufig die Forderung, die Wickelhärte in der entstehenden Wickelrolle deutlich über das bisher übliche Maß hinaus zu erhöhen. Mit der bekannten Wickelmaschine kann diese Forderung nur unzureichend erfüllt werden. Dies ist insbesondere darauf zurückzuführen, daß der Zufuhr von Antriebsenergie sowohl bei einem Antrieb der entstehenden Wickelrolle durch eine an deren Umfang angreifende Stützwalze oder Belastungseinrichtung, d.h. bei der Erzeugung einer Geschwindigkeitsdifferenz bzw. Umfangskraftdifferenz zwischen mindestens zwei Umfangsantrieben, als auch beim Antrieb der Wickelrolle durch einen angetriebenen Kern Grenzen gesetzt sind.With such a web train interruption device is indeed such active elements such as a center drive in the Paper roll and a brake generator unwinding created the opportunity a different longitudinal tension in the material web for longitudinal cutting than to produce for the winding, so that on the one hand the winding hardness influenced in the resulting winding roll and on the other hand independent of which for a certain longitudinal tension when slitting can be taken care of. In more modern paper manufacturing or processing plants there is now often the requirement that the winding hardness in the resulting winding roll significantly beyond what was previously the norm to increase. With the known winding machine, this requirement can only insufficiently fulfilled. This is due in particular to that the supply of drive energy both when driving the arising winding roll by a supporting roller acting on its circumference or loading device, i.e. when generating a speed difference or circumferential force difference between at least two peripheral drives, as well as when the winding roller is driven by one driven core limits are set.

Aus der DE-U-91 16 467 ist bereits eine Wickelvorrichtung der eingangs genannten Art bekannt, bei der die Bahnzug-Unterbrechungseinrichtung in Bahnlaufrichtung unmittelbar vor einer Stelle vorgesehen ist, an der die zugeführte Materialbahn bzw. deren Teilbahnen auf eine jeweilige Stützwalze auflaufen, und wenigstens eine von der betreffenden Stützwalze räumlich getrennte Walze umfaßt. Die maschinenbreite Walze wird gegen eine sich ebenfalls über die gesamte Maschinenbreite erstreckende Leitrolle gedrückt, um die Teilbahnen abzubremsen. Dabei wird die in einzelne Segmente unterteilte, an ihrer Oberfläche gummierte Walze mittels einer Kolben/Zylinder-Einheit gegen die von den Teilbahnen umschlungene frei drehbare Leitrolle angedrückt. Die Segmente der Walze werden mittels einer ihnen zugeordneten gemeinsamen Bremse wie insbesondere eine gemeinsame Friktionsbremse mit einstellbarer Bremskraft gemeinsam abgebremst. Nachdem die Bahnzug-Unterbrechungseinrichtung lediglich als Bremseinrichtung ausgebildet ist und zudem die verschiedenen Teilbahnen über die Bremse stets gemeinsam und in der gleichen Weise beeinflußt werden, ist eine in bestimmten Fällen wünschenswerte getrennte variable Einstellung der einzelnen Zugspannungen der verschiedenen Teilbahnen nicht ohne weiteres möglich.From DE-U-91 16 467 there is already a winding device at the beginning known type, in which the web train interruption device is provided in the web running direction immediately in front of a point at which the supplied material web or its partial webs on a respective support roller run up, and at least one of the backup roller in question includes spatially separate roller. The machine-wide roller is against one that also extends across the entire machine width Guide roller pressed to brake the partial webs. The individual Segments divided, rubberized on their surface by means of a piston / cylinder unit against the one wrapped by the partial webs Free rotating guide roller pressed. The segments of the roller are by means of a common brake assigned to them, such as in particular a common friction brake with adjustable braking force together braked. After the web train interruption device only is designed as a braking device and also the various Partial webs on the brake always together and in the same way affected, is a desirable separate in certain cases variable setting of the individual tensile stresses of the different Partial webs not easily possible.

Ziel der Erfindung ist es, eine Wickelmaschine der eingangs genannten Art zu schaffen, die bei minimalen Aufwand nicht nur problemlos auch die Einstellung höherer Wickelhärten in einem jeweiligen entstehenden Wickel gestattet, sondern gleichzeitig auch eine höhere Variabilität hinsichtlich einer getrennten Beeinflussung der Zugspannungen der verschiedenen Teilbahnen gewährleistet.The aim of the invention is to provide a winding machine of the type mentioned to create that not only easily with minimal effort Setting higher winding hardnesses in a respective emerging winding allowed, but at the same time also a greater variability in terms a separate influence on the tensile stresses of the different Partial webs guaranteed.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß die wenigstens eine von der betreffenden Stützwalze räumlich getrennte Walze antreibbar ist und daß die Bahnzug-Unterbrechungseinrichtung quer zur Bahnlaufrichtung in Segmente unterteilt und jeder Teilbahn einer längsgeschnittenen Materialbahn wenigstens ein Segment zugeordnet ist, wobei die Zugspannungen der verschiedenen Teilbahnen über die ihnen zugeordneten Segmente oder Segmet-Gruppen unabhängig voneinander beeinflußbar sind. Dabei sind die den verschiedenen Teilbahnen zugeordneten Segmente oder Segment-Gruppen der Bahnzug-Unterbrechungseinrichtung vorzugsweise unabhängig voneinander antreibbar. Die wenigstens eine von der betreffenden Stützwalze räumlich getrennte Walze ist vorzugsweise unabhängig von der Stützwalze antreibbar.This object is achieved according to the invention in that the at least a roller spatially separate from the relevant support roller is and that the web train interruption device transverse to The web running direction is divided into segments and each partial web is a slit Material web is assigned to at least one segment, wherein the tensile stresses of the various partial webs over the assigned to them Segments or Segmet groups can be influenced independently of each other are. The are assigned to the different partial webs Segments or segment groups of the web train interruption device preferably driven independently. The least a roller spatially separate from the relevant support roller is preferred can be driven independently of the backup roller.

Die Bahnzug-Unterbrechungseinrichtung ist somit nicht nur getrennt von der Stützwalze vorgesehen, auf die die zugeführte längsgeschnittene Materialbahn aufläuft, wobei sie in einem gewissen, vorzugsweise relativ kurzen Abstand von der Auflaufstelle angeordnet ist. Sie ist insbesondere auch antreibbar und so segmentiert, daß über die Segmente oder Segment-Gruppen eine getrennte Beeinflussung der Zugspannungen der verschiedenen Teilbahnen möglich ist, wodurch insbesondere auch die Möglichkeit für eine weitergehende Optimierung der jeweiligen Betriebsbedingungen geschaffen wird. Dadurch erhält man insgesamt wesentlich mehr Freiheiten sowohl hinsichtlich einer von der Längsspannung der Materialbahn im Auflaufbereich unabhängigen Einstellung der Längsspannung der Materialbahn im Bereich der Längsschneideinrichtung als auch hinsichtlich einer getrennten Beeinflussung der Zugspannungen der verschiedenen Teilbahnen. Indem in Bahnlaufrichtung hinter der Bahnzug-Unterbrechungseinrichtung ein wesentlich höherer Bahnzug als im Bereich der Längsschneideinrichtung eingestellt werden kann, wird im Bereich dieser Längsschneideinrichtung die Gefahr eines Abreißens der Materialbahn auf ein Minimum reduziert. Gleichzeitig besteht jedoch die Möglichkeit, die Materialbahn unter einer sehr hohen Bahnspannung dem entstehenden Wickel zuzuführen, so daß insbesondere auch eine sehr hohe Wickelhärte einstellbar ist. Dies ist im Prinzip ohne einen weiteren Antrieb am jeweiligen entstehenden Wickel möglich. Je nach Bedarf kann jedoch wenigstens ein zu bildender Wickel zusätzlich insbesondere mit relativ geringer Leistung angetrieben sein, was beispielsweise dann von Vorteil ist, wenn wenigstens zwei zueinander versetzte Wickel gebildet werden und gegebenenfalls unterschiedliche Wickelhärten erwünscht sind.The web train interruption device is thus not only separate from the back-up roller is provided, on which the supplied longitudinally cut material web runs up, in a certain, preferably relatively short Distance from the run-up point is arranged. It is special also drivable and segmented so that over the segments or segment groups a separate influence on the tensile stresses of the different Partial webs is possible, which in particular also gives the possibility for further optimization of the respective operating conditions is created. This gives you a lot more overall Freedoms both with regard to the longitudinal tension of the material web Independent adjustment of the longitudinal tension in the run-up area the material web in the area of the slitter as well as in terms of a separate influence on the tensile stresses of the different Partial webs. In the web running direction behind the web train interruption device a much higher train than in the area the slitter can be adjusted in the area this longitudinal cutting device the risk of tearing off the material web reduced to a minimum. At the same time, however, there is Possibility of the material web under a very high web tension to supply emerging coils, so that in particular also a very high one Winding hardness is adjustable. In principle, this is without another drive possible on the respective resulting wrap. Depending on your needs however, at least one roll to be formed additionally in particular with relatively low power, which is then, for example, of It is advantageous if at least two staggered coils are formed and if necessary different winding hardnesses are desired are.

Mit einem entsprechenden, im Vergleich zu den betreffenden Elementen der aus der DE 40 12 979 C2 bekannten Wickelmaschine andersartigen aktiven Element kann durch die Erzeugung einer Geschwindigkeitsdifferenz zwischen der Aufrollung und der Bahnzug-Unterbrechungseinrichtung (Dehnung von Papier) eine Wickelhärtebeeinflussung realisiert werden.With a corresponding, compared to the elements in question the winding machine known from DE 40 12 979 C2 different active element can by generating a speed difference between the reel and the web train interruption device (Stretching of paper) an influence on the winding hardness can be realized.

Die Erfindung ist grundsätzlich auch in einem Umroller, das heißt in einer Anlage ohne Längsschneideinrichtung jedoch mit einer Aufwicklung auf einen beispielsweise hülsenartigen Kern, anwendbar.The invention is basically also in a rewinder, that is in one System without slitter, but with a rewinder a sleeve-like core, for example, applicable.

Die aufzuwickelnde Materialbahn kann beispielsweise von einer Abrollstation oder unmittelbar aus einer Bahnherstellungsmaschine wie beispielsweise einer Papiermaschine kommen.The material web to be wound can, for example, from a unwind station or directly from a web manufacturing machine such as come on a paper machine.

In bestimmten Fällen ist es von Vorteil, wenn der beispielsweise hülsenartige Kern, auf den die Materialbahn beziehungsweise eine jeweilige Teilbahn aufgewickelt wird, antreibbar ist. Von besonderem Vorteil ist hierbei, wenn wenigstens ein Wickel auf einer den zugeordneten Kern bildenden Hülse erzeugt wird und die betreffende Einrichtung zur Einleitung eines Drehmoments in diesen Wickel wenigstens einen in ein Hülsenende eingreifenden antreibbaren Führungskopf umfaßt. Es können zwei in die beiden entgegengesetzten Hülsenenden eingreifende Führungsköpfe vorgesehen sein, wobei vorzugsweise beide Führungsköpfe antreibbar sind. In certain cases it is advantageous if, for example, sleeve-like Core on which the material web or a respective partial web is wound, is drivable. It is particularly advantageous here if at least one winding on one forming the associated core Sleeve is generated and the device in question to initiate a Torque in this winding at least one engaging in a sleeve end drivable guide head includes. There can be two in the two opposite sleeve ends engaging guide heads provided be, preferably both guide heads can be driven.

Damit kann der jeweilige Zusatzantrieb insbesondere auch als Zentrumsantrieb vorgesehen sein, der beispielsweise so ausgeführt ist, wie dies in der DE 40 12 979 beschrieben ist.This means that the respective additional drive can also be used as a center drive be provided, for example, as shown in DE 40 12 979 is described.

Die Verbindung zwischen einem jeweiligen Führungskopf und der Hülse kann beispielsweise mittels eines Spannkopfes in der in der DE 36 36 457 C2 beschriebenen Weise erfolgen.The connection between a respective guide head and the sleeve can for example by means of a clamping head in DE 36 36 457 C2 described manner.

Zusätzlich oder alternativ kann wenigstens ein entstehender Wickel durch zumindest eine antreibbare Belastungseinrichtung, vorzugsweise eine Belastungswalze, beaufschlagt sein, um durch diese Belastungseinrichtung ein Drehmoment in den Wickel einzuleiten. Dabei kann der Wickel durch die Belastungseinrichtung gegen eine oder mehrere Stützwalzen gedrückt sein. Bei einer in der Praxis bevorzugten Ausführungsform ist die Belastungseinrichtung unabhängig von der Stützwalze antreibbar. Durch die Erzeugung einer Umfangskraftdifferenz zwischen mehreren Umfangsantrieben kann somit die Wickelhärte bzw. die Bahnspannung erhöht werden.Additionally or alternatively, at least one resulting wrap can pass through at least one drivable loading device, preferably a loading roller, to be acted upon by this loading device initiate a torque in the winding. The wrap can go through the loading device is pressed against one or more support rollers his. In a preferred embodiment in practice, the loading device can be driven independently of the backup roller. Through the Generation of a circumferential force difference between several circumferential drives the winding hardness or the web tension can thus be increased.

Von besonderem Vorteil ist, wenn die Antriebsdrehmomente verschiedener entstehender Wickel unabhängig voneinander steuer- und/oder regelbar sind.It is particularly advantageous if the drive torques differ resulting winding can be controlled and / or regulated independently of one another are.

Die Bahnzug-Unterbrechungseinrichtung kann beispielsweise ein Walzenpaar umfassen, das insbesondere aus einer vorzugsweise segmentierten Leitwalze und einer vorzugsweise segmentierten Klemmwalze besteht. The web train interruption device can, for example, a pair of rollers comprise, in particular from a preferably segmented Guide roller and a preferably segmented pinch roller.

Gemäß einer weiteren vorteilhaften Ausführungsvariante umfaßt die Bahnzug-Unterbrechungseinrichtung einen Satz von mehreren jeweils von der Materialbahn umschlungenen, vorzugsweise zumindest teilweise segmentierten Leitwalzen, wobei die Umschlingungswinkel vorzugsweise jeweils größer als 45° sind. Bei wenigstens einer der Leitwalzen kann der Umschlingungswinkel zweckmäßigerweise auch größer oder gleich 90° sein. Dabei kann die Bahnzug-Unterbrechungseinrichtung beispielsweise durch einen Satz von drei stark umschlungenen Leitwalzen gebildet sein, wie dies in der US-A-3 157 371 beschrieben ist.According to a further advantageous embodiment variant, the Web train interrupter a set of several each of wrapped around the material web, preferably at least partially segmented Guide rollers, the wrap angle preferably each are greater than 45 °. In at least one of the guide rollers, the Wrap angle also expediently greater than or equal to 90 ° his. The web train interruption device can, for example be formed by a set of three strongly wrapped guide rollers, as described in US-A-3,157,371.

Bei einer weiteren vorteilhaften Ausführungsvariante ist die Bahnzug-Unterbrechungseinrichtung durch eine einzige zweckmäßigerweise segmentierte, von der Materialbahn umschlungene Leitwalze gebildet, wobei der Umschlingungswinkel zweckmäßigerweise größer als 45° und vorzugsweise größer oder gleich 90° ist.In a further advantageous embodiment variant, the web train interruption device is by a conveniently segmented, formed by the material web wrapped guide roller, wherein the wrap angle is advantageously greater than 45 ° and preferably is greater than or equal to 90 °.

Die Erfindung wird im folgenden anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen näher erläutert; in dieser zeigen:

Figur 1
eine schematische Seitenansicht einer Ausführung einer Wickelmaschine in Form einer Doppeltragwalzenmaschine mit einem einzigen Wickelbett für eine oder mehrere zu erzeugende Wickel,
Figur 2
eine schematische Seitenansicht einer weiteren Ausführung einer Wickelmaschine in Form einer DreiTragwalzenmaschine mit zwei Wickelbetten für wenigstens zwei zueinander versetzt entstehende Wickel,
Figur 3
eine schematische Seitenansicht einer weiteren Ausführung einer Wickelmaschine in Form einer Mono-Stützwalzenmaschine vorzugsweise für wenigstens zwei zueinander versetzt entstehende Wickel,
Figur 4
eine schematische Seitenansicht einer weiteren Ausführung einer Wickelmaschine in Form einer Doppel-Mono-Stützwalzenmaschine für wenigstens zwei zueinander versetzt entstehende Wickel,
Figur 5
eine schematische Seitenansicht einer weiteren, der der Figur 3 ähnlichen Ausführung einer Wickelmaschine, bei der die Bahnzug-Unterbrechungseinrichtung durch eine einzige stark umschlungene, individuell antreibbare und vorzugsweise segmentierte Leitwalze gebildet ist, und
Figur 6
eine schematische Seitenansicht einer weiteren, der der Figur 4 ähnlichen Ausführung einer Wickelmaschine, bei der die Bahnzug-Unterbrechungseinrichtung durch eine einzige stark umschlungene, individuell antreibbare und vorzugsweise segmentierte Leitwalze gebildet ist.
The invention is explained in more detail below using exemplary embodiments with reference to the drawings; in this show:
Figure 1
1 shows a schematic side view of an embodiment of a winding machine in the form of a double carrier roller machine with a single winding bed for one or more windings to be produced,
Figure 2
1 shows a schematic side view of a further embodiment of a winding machine in the form of a three-support roller machine with two winding beds for at least two windings which are offset from one another,
Figure 3
2 shows a schematic side view of a further embodiment of a winding machine in the form of a mono backing roll machine, preferably for at least two windings which are offset from one another,
Figure 4
2 shows a schematic side view of a further embodiment of a winding machine in the form of a double mono backing roll machine for at least two windings which are offset from one another,
Figure 5
FIG. 2 shows a schematic side view of another embodiment of a winding machine similar to FIG. 3, in which the web tension interruption device is formed by a single strongly wrapped, individually drivable and preferably segmented guide roller, and
Figure 6
is a schematic side view of another, similar to Figure 4 version of a winding machine, in which the web tension interruption device is formed by a single strongly wrapped, individually drivable and preferably segmented guide roller.

Die Figuren 1 bis 6 zeigen unterschiedliche Ausführungen einer Wickelmaschine zur Erzeugung wenigstens eines, vorzugsweise mehrerer Wickel 10 aus einer zugeführten Materialbahn 12 wie insbesondere einer Papierund/oder Kartonbahn, die beispielsweise von einer Abrollstation 14 (vergleiche Figur 1) oder unmittelbar aus einer Bahnherstellungsmaschine wie beispielsweise einer Papiermaschine kommt.Figures 1 to 6 show different versions of a winding machine for producing at least one, preferably several, coils 10 from a supplied material web 12, such as in particular a paper and / or Cardboard web, for example from a unwind station 14 (see Figure 1) or directly from a web manufacturing machine such as a paper machine.

Dabei ist jeweils eine Längsschneideinrichtung 16 vorgesehen, durch die die Materialbahn 12 vor dem Aufwickeln geführt wird, um mehrere Teilbahnen zu bilden. Diese Teilbahnen werden jeweils auf einen im vorliegenden Fall durch eine Hülse 18 gebildeten Kern aufgewickelt. Dabei ist ein auf einer jeweiligen Hülse 18 entstehender Wickel 10 an wenigstens einer antreibbaren Stützwalze 20 abgestützt.In this case, a longitudinal cutting device 16 is provided, through which the material web 12 is guided around several partial webs before winding to build. These partial webs are each one in the present Case wound by a sleeve 18 formed core. It is a winding 10 arising on a respective sleeve 18 at least a drivable support roller 20 is supported.

Zudem ist bei sämtlichen in den Figuren 1 bis 6 dargestellten Ausführungen die Wickelhärte durch eine jeweilige, vorzugsweise segmentierte Bahnzug-Unterbrechungseinrichtung 22 beeinflußbar, die in Bahnlaufrichtung L unmittelbar vor einer Stelle S vorgesehen ist, an der die zugeführte Materialbahn 12 beziehungsweise deren Teilbahnen auf eine jeweilige Stützwalze 20 auflaufen, und wenigstens eine von der betreffenden Stützwalze 20 räumlich getrennte, vorzugsweise unabhängig von der Stützwalze 20 antreibbare, vorzugsweise segmentierte Walze 24 umfaßt.In addition, is in all the versions shown in Figures 1 to 6 the winding hardness through a respective, preferably segmented web interruption device 22 influenceable in the direction of web travel L is provided immediately in front of a point S at which the material web supplied 12 or their partial webs on a respective support roller 20 run up, and at least one of the backup roller in question 20 spatially separated, preferably independent of the support roller 20th drivable, preferably segmented roller 24 comprises.

Wie den Figuren 1 bis 6 entnommen werden kann, ist die Bahnzug-Unterbrechungseinrichtung 22 in Bahnlaufrichtung L jeweils zwischen der Längsschneideinrichtung 16 und der betreffenden Auflaufstelle S angeordnet.As can be seen from FIGS. 1 to 6, the web train interruption device is 22 in the web running direction L in each case between the Longitudinal cutting device 16 and the relevant run-up point S are arranged.

Die Hülse 18, auf die Materialbahn 12 beziehungsweise eine jeweilige Teilbahn aufgewickelt wird, ist jeweils antreibbar. The sleeve 18, on the material web 12 or a respective partial web is wound, can be driven.

Zusätzlich oder alternativ zu diesem Zentralantrieb kann ein entstehender Wickel 10 auch durch eine antreibbare Belastungseinrichtung wie beispielsweise eine Belastungswalze beaufschlagt sein, durch die ein Drehmoment in den Wickel 10 einleitbar ist. Dabei kann der betreffende Wickel 10 durch eine solche Belastungseinrichtung gegen eine oder mehrere Stützwalzen 20 gedrückt sein.In addition or as an alternative to this central drive, an emerging one Wind 10 also by a drivable loading device such as be loaded by a loading roller through the Torque can be introduced into the winding 10. The person concerned can Wind 10 by such a loading device against one or more Back-up rollers 20 must be pressed.

Die Antriebsdrehmomente verschiedener entstehender Wickel 10 sind vorzugsweise unabhängig voneinander steuer- und/oder regelbar.The drive torques of various windings 10 that are created are preferred can be controlled and / or regulated independently of one another.

Zudem ist die Bahnzug-Unterbrechungseinrichtung 22 quer zur Bahnlaufrichtung L vorzugsweise in Segmente unterteilt, wobei jeder Teilbahn der längsgeschnittenen Materialbahn 12 wenigstens ein Segment zugeordnet ist. In diesem Fall sind die den verschiedenen Teilbahnen zugeordneten Segmente oder Segment-Gruppen vorzugsweise unabhängig voneinander antreibbar.In addition, the web train interruption device 22 is transverse to the web running direction L preferably divided into segments, with each partial web at least one segment is assigned to the longitudinally cut material web 12 is. In this case, the are assigned to the different partial webs Segments or segment groups preferably independently of one another drivable.

Figur 1 zeigt eine Ausführung einer Wickelmaschine in Form einer Doppeltragwalzenmaschine mit einem einzigen Wickelbett für einen, vorzugsweise mehrere zu erzeugende Wickel 10. Die beiden in Figur 1 zu erkennenden Stützwalzen 20 dienen hier als Tragwalzen, auf denen der jeweilige Wickel 10 aufliegt.Figure 1 shows an embodiment of a winding machine in the form of a double carrier roller machine with a single changing bed for one, preferably several windings to be produced 10. The two to be recognized in FIG. 1 Back-up rolls 20 serve here as support rolls on which the respective Wind 10 rests.

Die Bahnzug-Unterbrechungseinrichtung 22 dieser Ausführung umfaßt ein Walzenpaar, das aus einer angetriebenen Leitwalze 24 und einer Klemmwalze 26 besteht. Die angetriebene Leitwalze 24 und/oder die Klemmwalze 26 ist quer zur Bahnlaufrichtung L vorzugsweise segmentiert. The web train interrupter 22 of this embodiment includes a pair of rollers consisting of a driven guide roller 24 and a Pinch roller 26 exists. The driven guide roller 24 and / or The clamping roller 26 is preferably segmented transversely to the web running direction L.

In der Abrollstation 14 wird die Materialbahn 12 von einer antreibbaren Rolle 28 abgezogen. Im Anschluß daran wird die abgezogene Materialbahn 12 zunächst um mindestens eine Leitwalze 30 geführt, bevor sie der Längsschneideinrichtung 16 zugeführt wird.In the unwind station 14, the material web 12 is driven by a Roll 28 removed. Following this, the removed material web 12 first led around at least one guide roller 30 before it Slitter 16 is supplied.

Die Antriebsstellen sind jeweils individuell steuer- und/oder regelbar.The drive points can be individually controlled and / or regulated.

Figur 2 zeigt eine Ausführung in Form einer Drei-Tragwalzenmaschine mit zwei Wickelbetten für wenigstens zwei zueinander versetzt entstehende Wickel 10.Figure 2 shows an embodiment in the form of a three carrier roller machine two changing beds for at least two staggered Wrap 10.

Wie anhand von Figur 2 zu erkennen ist, liegt jeder Wickel 10 einerseits auf einer zentralen Stützwalze 20 und andererseits auf einer jeweiligen äußeren Stützwalze 20 auf, wobei zwischen den beiden betreffenden einander benachbarten Stützwalzen 20 ein jeweiliges Wickelbett gebildet wird.As can be seen from FIG. 2, each winding 10 lies on the one hand on a central support roller 20 and on the other hand on a respective one outer backup roller 20, being between the two concerned each other adjacent support rollers 20 a respective winding bed is formed becomes.

Die Bahnzug-Unterbrechungseinrichtung 22 umfaßt beispielsweise zwei angetriebene Leitwalzen 24, von denen wenigstens eine vorzugsweise segmentiert ist, sowie eine weitere, nicht angetriebene Leitwalze 32. Bei sämtlichen Leitwalzen 24, 32 ist der jeweilige Umschlingungswinkel deutlich größer als 45°. Wie anhand von Figur 2 zu erkennen ist, ist dieser Umschlingungswinkel bei der mittleren, angetriebenen Leitwalze 24 deutlich größer als 90°. Bei der in Bahnlaufrichtung L davor liegenden, nicht angetriebenen Leitwalze 32 sowie der hinteren angetriebenen Leitwalze 24 liegt der Umschlingungswinkel beim vorliegenden Ausführungsbeispiel jeweils zwischen 90 und 180°, wobei grundsätzlich jedoch auch andere Umschlingungswinkel möglich sind. The web train interruption device 22 comprises, for example, two driven guide rollers 24, at least one of which is preferably segmented is, as well as a further, non-driven guide roller 32 The respective wrap angle is clear to all guide rollers 24, 32 greater than 45 °. As can be seen from FIG. 2, this is Wrap angle in the middle, driven guide roller 24 clearly greater than 90 °. Not in the one in front of it in the direction of web travel L. driven guide roller 32 and the rear driven guide roller 24 is the wrap angle in the present embodiment in each case between 90 and 180 °, but basically also others Wrap angles are possible.

Figur 3 zeigt eine Ausführung in Form einer Mono-Stützwalzenmaschine vorzugsweise für wenigstens zwei zueinander versetzt entstehende Wickel 10.Figure 3 shows an embodiment in the form of a mono backing roll machine preferably for at least two staggered windings 10th

Bei dieser Ausführung ist lediglich eine Stützwalze 20 vorgesehen, auf der die entstehenden Wickel 10 aufliegen oder gegen die diese Wickel 10 gedrückt werden.In this embodiment, only a backup roller 20 is provided on the the resulting coils 10 rest or pressed against these coils 10 become.

Die Bahnzug-Unterbrechungseinrichtung 22 umfaßt wie im Fall der Ausführung gemäß Figur 1 wieder ein Walzenpaar, das aus einer angetriebenen, vorzugsweise segmentierten Leitwalze 24 und einer vorzugsweise segmentierten Klemmwalze 26 besteht.The web train interrupter 22 includes, as in the case of execution according to FIG. 1 again a pair of rollers, which consists of a driven, preferably segmented guide roller 24 and one preferably segmented pinch roller 26.

Figur 4 zeigt eine Ausführung in Form einer Doppel-Mono-Stützwalzenmaschine für wenigstens zwei zueinander versetzt entstehende Wickel 10.Figure 4 shows an embodiment in the form of a double mono back-up roll machine for at least two staggered Wrap 10.

In Figur 4 sind zwei zueinander versetzt angeordnete Stützwalzen 10 zu erkennen, auf die jeweils eine Teilbahn der längsgeschnittenen Materialbahn 12 aufläuft und auf denen jeweils ein Wickel 10 aufliegt.In Figure 4, two support rollers 10 are arranged offset to each other recognize, each on a partial web of the slit material web 12 runs up and on each of which a winding 10 rests.

Die Bahnzug-Unterbrechungseinrichtung 22 dieser Ausführung umfaßt ebenso wie die Ausführungen gemäß den Figuren 1 und 3 wieder ein Walzenpaar, das aus einer angetriebenen, vorzugsweise segmentierten Leitwalze 24 und einer vorzugsweise segmentierten Klemmwalze 26 besteht. Gemäß Figur 4 wird die Klemmwalze 26 durch eine Andrückeinrichtung 34 gegen die angetriebene Leitwalze 24 angedrückt. Eine entsprechende Andrückeinrichtung 34 ist zweckmäßigerweise auch bei den in den Figuren 1 und 3 dargestellten Ausführungen vorgesehen.The web train interrupter 22 of this embodiment includes just like the designs according to FIGS. 1 and 3, again a pair of rollers, that of a driven, preferably segmented guide roller 24 and a preferably segmented pinch roller 26. According to Figure 4, the pinch roller 26 by a pressing device 34 pressed against the driven guide roller 24. A corresponding Pressure device 34 is also expedient in the case of the figures 1 and 3 shown versions provided.

Figur 5 zeigt eine der Figur 3 ähnliche Ausführung einer Wickelmaschine, bei der die Bahnzug-Unterbrechungseinrichtung 22 jedoch durch eine einzige stark umschlungene, individuell antreibbare und vorzugsweise segmentierte Leitwalze 24 gebildet ist. Der Umschlingungswinkel beträgt in diesem Fall etwa 180°.FIG. 5 shows an embodiment of a winding machine similar to FIG. 3, in which the web train interruption device 22, however, by a only strongly wrapped, individually drivable and preferably segmented guide roller 24 is formed. The wrap angle is in this case about 180 °.

Die beiden in Figur 5 zu erkennenden Wickel 10 sind auf einander gegenüberliegenden Seiten einer zentralen Stützwalze 20 angeordnet.The two windings 10 which can be seen in FIG. 5 are located opposite one another Arranged sides of a central support roller 20.

Figur 6 zeigt eine der Figur 4 ähnliche Ausführung einer Wickelmaschine, bei der die Bahnzug-Unterbrechungseinrichtung 22 jedoch wieder durch eine einzige stark umschlungene, individuelle antreibbare sowie vorzugsweise segmentierte Leitwalze 24 gebildet ist. In diesem Fall ist der Umschlingungswinkel größer als 180°.FIG. 6 shows an embodiment of a winding machine similar to FIG. 4, in which the web train interruption device 22 again a single strongly wrapped, individually drivable as well as preferably segmented guide roller 24 is formed. In this case, the wrap angle is greater than 180 °.

Bei sämtlichen Ausführungsvarianten können die verschiedenen Segmente und/oder Segment-Gruppen einer jeweiligen angetriebenen segmentierten Walze getrennt antreibbar sein und/oder die verschiedenen Segmente und/oder Segment-Gruppen einer jeweiligen Klemmwalze getrennt andrückbar sein. The different segments can be used for all versions and / or segment groups of a respective driven segmented Roller can be driven separately and / or the different Segments and / or segment groups of a respective pinch roller separated be pushable.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Wickelreel
1212
Materialbahnweb
1414
Abrollstationunrolling
1616
LängsschneideinrichtungSlitter
1818
Kern, HülseCore, sleeve
2020
Stützwalzesupporting roll
2222
Bahnzug-UnterbrechungseinrichtungWeb tension interruption device
2424
Walzeroller
2626
Klemmwalzepinch roller
2828
Rollerole
3030
Leitwalzeguide roll
3232
Leitwalzeguide roll
3434
Andrückeinrichtungpressing device
LL
BahnlaufrichtungWeb direction
SS
Auflaufstellenip point

Claims (16)

  1. Winding machine for the production of at least one coil (10) of a supplied material web (12), such as in particular a paper web and/or a card web, wherein the material web (12) is guided through a longitudinal cutting device (16) and the partial webs of the longitudinally cut material web (12) are each wound up onto a core (18), in particular a core (18) formed by a sleeve, wherein a coil (10) arising on the respective core (18) is supported on at least one support roll (20), in particular a drivable support roll, and the hardness of the winding can be influenced by a web tension interruption device (22), and wherein the web tension interruption device (22) is provided, in the direction of running (L) of the web, directly in front of a position (S) at which the supplied material web (12) or its partial webs run onto a respective support roll (20), and is also arranged between the longitudinal cutting device (16) and the run-on position (S), and includes at least one roll (24) spatially separate from the relevant support roll (20), characterized in that the at least one roll (24) spatially separate from the relevant support roll (20) can be driven, in that the web tension interruption device (22) is subdivided into segments transversely to the web running direction (L) and in that at least one segment is associated with each partial web of a longitudinally cut material web (12), with the tensions of the various partial webs being capable of being influenced independently from one another via the segments or segment groups associated with the partial webs.
  2. Winding machine in accordance with claim 1, characterized in that the segments or the segment groups of the web tension interruption device (22) associated with the different partial webs can be driven independently from one another.
  3. Winding machine in accordance with claim 1 or claim 2, characterized in that the at least one roll (24) spatially separate from the relevant support roll (20) can be driven independently from the support roll (20).
  4. Winding machine in accordance with any one of the preceding claims, characterized in that a device is provided in order to introduce a torque into at least one arising coil (10).
  5. Winding machine in accordance with claim 4, characterized in that the device comprises means in order to introduce a torque into at least one coil (10) arising from a partial web of the longitudinally cut material web (12).
  6. Winding machine in accordance with claim 4 or claim 5, characterized in that the core (18), onto which the material web (12) or a respective partial web is wound, can be driven.
  7. Winding machine in accordance with claim 6, characterized in that at least one coil (10) is produced on a sleeve forming the associated core (18), and in that the device for introducing a torque into this coil (10) includes at least one drivable guide head, which engages into a sleeve end.
  8. Winding machine in accordance with claim 7, characterized in that two guide heads are provided which engage into the two opposite sleeve ends, and in that both guide heads are preferably drivable.
  9. Winding machine in accordance with any one of the preceding claims, characterized in that at least one arising coil (10) is loaded by at least one drivable loading device, preferably a loading roll, and in that a torque can be introduced into the coil (10) through this loading device.
  10. Winding machine in accordance with claim 9, characterized in that the coil (10) is pressed by the loading device against one or more support rolls (20).
  11. Winding machine in accordance with claim 9 or claim 10, characterized in that the loading device can be driven independently from the support roll (20).
  12. Winding machine in accordance with any one of the preceding claims, characterized in that the drive torques of different arising coils (10) can be controlled and/or regulated independently from one another.
  13. Winding machine in accordance with any one of the preceding claims, characterized in that the web tension interruption device (22) includes a roll pair which preferably comprises a guide roll (24), in particular a segmented guide roll (24), and a clamping roll (26) which is expediently segmented.
  14. Winding machine in accordance with any one of claims 1 to 12, characterized in that the web tension interruption device (22) includes a set of a plurality of guide rolls (24, 32), around each of which the material web (12) is wrapped, with the wrapping angles preferably being each greater than 45°.
  15. Winding machine in accordance with claim 14, characterized in that the wrapping angle is larger than or equal to 90°, at at least one of the guide rolls (24).
  16. Winding machine in accordance with any one of claims 1 to 13, characterized in that the web tension interruption device (22) is formed by a single, expediently segmented guide roll (24), around which the material web (12) is wrapped, with the wrapping angle expediently being greater than 45° and preferably being greater than or equal to 90°.
EP98106841A 1997-04-22 1998-04-15 Winding machine Expired - Lifetime EP0873959B1 (en)

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Application Number Priority Date Filing Date Title
DE19716887 1997-04-22
DE19716887A DE19716887A1 (en) 1997-04-22 1997-04-22 Winding machine

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EP0873959A3 EP0873959A3 (en) 1999-08-25
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US6007014A (en) 1999-12-28
DE19716887A1 (en) 1998-10-29
EP0873959A2 (en) 1998-10-28
EP0873959A3 (en) 1999-08-25
DE59804769D1 (en) 2002-08-22

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