WO2011157314A1 - Winding machine for producing winding rolls from material webs - Google Patents

Winding machine for producing winding rolls from material webs Download PDF

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Publication number
WO2011157314A1
WO2011157314A1 PCT/EP2011/001717 EP2011001717W WO2011157314A1 WO 2011157314 A1 WO2011157314 A1 WO 2011157314A1 EP 2011001717 W EP2011001717 W EP 2011001717W WO 2011157314 A1 WO2011157314 A1 WO 2011157314A1
Authority
WO
WIPO (PCT)
Prior art keywords
winding
contact roller
roller
machine according
winding machine
Prior art date
Application number
PCT/EP2011/001717
Other languages
German (de)
French (fr)
Inventor
Maik Krueger
Ulrich Sahr
Gerhard Lingner
Original Assignee
Kampf Schneid- Und Wickeltechnik Gmbh & Co. Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kampf Schneid- Und Wickeltechnik Gmbh & Co. Kg filed Critical Kampf Schneid- Und Wickeltechnik Gmbh & Co. Kg
Priority to JP2013514562A priority Critical patent/JP2013532106A/en
Priority to EP11713691.1A priority patent/EP2582604A1/en
Publication of WO2011157314A1 publication Critical patent/WO2011157314A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/11—Actuating means linear pneumatic, e.g. inflatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/12—Actuating means linear hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B65H2601/5242—Vibration by using mass damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B65H2601/5244—Vibration by using electro-rheological fluid [ERF]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal
    • B65H2701/1732—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film

Definitions

  • the invention relates to a winding machine for producing winding rolls of material webs, in particular of plastic films, which contains at least one winding station, which consists of two winding blocks, between which a winding roll is suspended during winding, and which has a contact roll, which abuts circumferentially on a winding roll under pressure during winding.
  • Winding machines for winding thin films of plastic or aluminum to winding rollers contain in a known manner winding stations in which the winding rollers are suspended when winding on chucks or winding shafts.
  • winding stations in which the winding rollers are suspended when winding on chucks or winding shafts.
  • contact rolls which abut circumferentially on a winding roll under pressure during winding.
  • a winding machine of the generic type is described in WO 2005/082753 A1.
  • the contact rollers are known to consist of roller tubes, which are typically made of aluminum or a CFK material, and on the lateral surface of a rubber coating is applied.
  • the rubber coating serves on the one hand to compensate for thickness tolerances of to be wound material web, in particular a plastic film, which can lead to different diameters in side by side wound bobbins.
  • On the other hand can be dampened with the rubber coating also caused by out of roundness of a winding roll vibrations.
  • the vibrations or vibrations caused by wrapped air can, in the case of resonance, cause the contact roller to lift off a winding roll.
  • the contact rollers are fixed to vertically mounted pivot arms, which engage pneumatic cylinders, which press in the direction of the winding roll.
  • the contact rollers are fixed to vertically mounted pivot arms, which engage pneumatic cylinders, which press in the direction of the winding roll.
  • At winding speeds from 400 m / min. It has been shown that so much air is entrained by the emergence of a laminar air flow on the film surface, that a part of the air is wrapped in the winding roll. When wrapping the air is compressed and therefore has a pressure that is above the ambient pressure.
  • the contact roller bearing pressure on the winding roller is likewise excited to oscillate.
  • the invention is therefore based on the object to improve a winding machine of the generic type so that the occurrence of unwanted vibrations of the contact roller is significantly reduced.
  • This object is achieved according to the invention in that the winding blocks are mounted for adaptation to the winding roller diameter at least in the region of the winding roller center in the direction of the contact roller and back movable, and
  • contact roller is mounted at each of its ends in a stationary holder so that they
  • the Wickelböcke are mounted to adapt to the winding roller diameter at least in the region of the winding roller center in the direction of the contact roller and back linearly movable.
  • the winding blocks are mounted for adaptation to the winding roller diameter in the direction of the contact roller and back pivotally.
  • the contact roller is mounted movably parallel to the linear movement of the winding blocks. It thus always moves in a line with the center of the winding roll.
  • the winding blocks are mounted linearly displaceably on the ground in and against the running direction, and the possibility of movement of the contact roller is likewise horizontal.
  • the contact roller during winding is advantageously partially wrapped by the material web, and the elastic reaction force is generated by a pneumatic piston-cylinder unit.
  • Advantageous damper systems include oil damper, a mechanical friction brake or an electrorheological damper whose damping effect is adjustable.
  • active absorber systems in which damping elements are excited to oscillate at the same frequency and in the opposite phase, for example by linear motors.
  • the contact roller is guided at their ends in each case in a roll guide center directed linear guide.
  • the dampers of the damping system preferably act in the region of the linear guide on the contact roller.
  • Figure 1 shows the storage of the contact roller with a
  • the winding machine shown only partially in the figure is used to wind a subdivided by longitudinal cuts in single sheets plastic film to bobbins.
  • the width of the individual webs to be wound up is typically between 200 and 4500 mm, and it may be 10 m or more, just like the width of the starting web.
  • the web speed during winding is typically between 600 and 1200 m / min.
  • the winding machine includes in a known manner an unwinding device in which the unwinding roll is suspended, from which the web is drawn, from which the winding rolls are produced.
  • the wide material web is then divided in a longitudinal cutting device into individual webs 1, which are then wound in each case to form a winding roll 2.
  • the winding of a winding roll 2 is carried out in each case in a winding station, each consisting of two transversely movable mounted winding blocks 3, on which clamping heads for holding the winding roll 2 are rotatably mounted.
  • the winding stations are arranged in two winding lines, and the individual webs are alternately fed to the two winding lines.
  • the individual winding stations can be arranged over the working width in each case with a certain distance from each other.
  • At least one contact roller 4 is mounted transversely across the working width at each of its ends in a holder.
  • each winding station is associated with a contact roller 4, wherein the holders are adjustable transversely to the web running direction for adaptation to different web widths.
  • the material web 1 is fed to the contact rollers 4 by a web guide roller 5.
  • the contact rollers 4 are partially wrapped in the winding of the material web 1 and are under pressure to the respective winding roller 2 at.
  • the winding frames 3 are mounted at least in the area of the winding roll center 6 in the direction of the contact roll 4 and movable back.
  • the winding blocks 3 are mounted at least in the region of the winding roller center 6 in the direction of the contact roller 4 and back linearly movable. In the example, the winding blocks 3 are moved completely linear. According to another variant, not shown in the figure, the winding blocks are mounted for adaptation to the winding roller diameter in the direction of the contact roller and back pivotally.
  • Each contact roller 4 is mounted at its ends in a holder linearly movable in the direction of the winding roll center in a linear guide 7, wherein the linear guide 7 is directed to the winding roll center.
  • An elastic counterforce which is generated by an adjustable pneumatic piston-cylinder unit and outlined in Figure 1 as a spring 8, presses the contact roller 4 against the winding roller 2, wherein the counterforce is selected so that the winding roller 2, the contact roller 4 push away can.
  • the contact roller 4 is mounted movably parallel to the linear movement of the winding blocks 3.
  • the Wickelböcke 3 are mounted linearly displaceable on the ground in and against the web running direction, and the contact rollers 4 are also mounted horizontally movable.
  • the damping system 9 includes a damper which acts in the holder on the contact roller 4 in the region of a linear guide 7 for the contact roller 4. Since there are no deflections between the damper system 9 and the contact roller 4, no play of Bruumlenkmaschinen affect the damping effect.
  • damper for the damping system 9 oil damper are preferably used.
  • a mechanical friction brake which is adjustable mechanically or by means of a pneumatic piston-cylinder unit.
  • electrorheological dampers which are electrically adjustable, or active absorber systems, in which damping elements with the same frequency and in the opposite phase, for example, are excited to oscillate by linear motors.
  • the winding machine according to the invention advantageously has a very stable base construction.
  • the mobility of the contact roller 4 is preferably effected by linear guides 7, which are mounted in the immediate vicinity of the bearing points of the contact roller 4.
  • the components required for supporting the contact roller 4 have a very low mass, which, in conjunction with the stable basic construction, leads to a significant increase in the natural frequencies.
  • the damping system 9 acting parallel to the direction of movement of the contact roller 4 additionally contributes to avoiding possible vibrations or oscillations.

Landscapes

  • Winding Of Webs (AREA)

Abstract

The invention relates to a winding machine for producing winding rolls (2) from material webs (1), in particular from plastic films, comprising at least one winding station, which comprises two winding stands (3), between which a winding roll (2) is suspended during the winding, and comprising a contact roller (4), which lies circumferentially against a winding roll (2) under pressure during the winding, wherein the winding stands (3) are movably supported in the direction of the contact roller (4) and back at least in the area of the winding roll center in order to adapt to the winding roll diameter, and the contact roller (4) is supported at each end thereof in a stationary retainer in such a way that the contact roller can be moved linearly and in the direction of the winding roll center (6) and can pressed away from the winding roll (2) against an elastic counter force.

Description

B E S C H R E I B U N G  DESCRIPTION
Wickelmaschine zur Herstellung von Wickelrollen aus Materialbahnen Die Erfindung betrifft eine Wickelmaschine zur Herstellung von Wickelrollen aus Materialbahnen, insbesondere aus Kunststofffolien, die mindestens eine Wickelstation enthält, die aus zwei Wickelböcken besteht, zwischen denen eine Wickelrolle beim Aufwickeln aufgehängt ist, und die eine Kontaktwalze aufweist, die beim Aufwickeln umfänglich an einer Wickelrolle unter Druck anliegt. The invention relates to a winding machine for producing winding rolls of material webs, in particular of plastic films, which contains at least one winding station, which consists of two winding blocks, between which a winding roll is suspended during winding, and which has a contact roll, which abuts circumferentially on a winding roll under pressure during winding.
Wickelmaschinen zum Aufwickeln von dünnen Folien aus Kunststoff oder Aluminium zu Wickelrollen enthalten in bekannter Weise Wickelstationen, in denen die Wickelrollen beim Aufwickeln an Spannköpfen oder Wickelwellen aufgehängt sind. Um beim Auflaufen der üblicherweise durch Längsschnitte entstandenen Einzelbahnen auf die jeweilige Wickelrolle die mitlaufende Luftschicht abzuquetschen und so das Einwickeln von Luft in eine Wickelrolle weitgehend zu verhindern, werden bekannterweise Kontaktwalzen eingesetzt, die beim Aufwickeln umfänglich an einer Wickelrolle unter Druck anliegen. Eine Wickelmaschine der gattungsgemäßen Art ist in der WO 2005/082753 A1 beschrieben. Winding machines for winding thin films of plastic or aluminum to winding rollers contain in a known manner winding stations in which the winding rollers are suspended when winding on chucks or winding shafts. In order to squeeze the accompanying air layer during emergence of the individual webs usually formed by longitudinal cuts on the respective winding roll and thus largely to prevent the winding of air into a winding roll, it is known to use contact rolls which abut circumferentially on a winding roll under pressure during winding. A winding machine of the generic type is described in WO 2005/082753 A1.
Die Kontaktwalzen bestehen bekannterweise aus Walzenrohren, die typischerweise aus Aluminium oder einem CFK-Werkstoff gefertigt sind, und auf deren Mantelfläche eine Gummierung aufgetragen ist. Die Gummierung dient zum Einen zum Ausgleich von Dickentoleranzen der aufzuwickelnden Materialbahn, insbesondere einer Kunststofffolie, die zu unterschiedlichen Durchmessern bei nebeneinander aufgewickelten Wickelrollen führen können. Zum Anderen können mit der Gummierung auch durch Unrundheiten einer Wickelrolle verursachte Schwingungen gedämpft werden. Die durch eingewickelte Luft verursachten Schwingungen oder Vibrationen können im Resonanzfall dazu führen, dass sich die Kontaktwalze von einer Wickelrolle abhebt. The contact rollers are known to consist of roller tubes, which are typically made of aluminum or a CFK material, and on the lateral surface of a rubber coating is applied. The rubber coating serves on the one hand to compensate for thickness tolerances of to be wound material web, in particular a plastic film, which can lead to different diameters in side by side wound bobbins. On the other hand can be dampened with the rubber coating also caused by out of roundness of a winding roll vibrations. The vibrations or vibrations caused by wrapped air can, in the case of resonance, cause the contact roller to lift off a winding roll.
Häufig werden die Kontaktwalzen an stehend gelagerten Schwenkarmen befestigt, an denen Pneumatikzylinder angreifen, die in Richtung zur Wickelrolle drücken. Bei Aufwickelgeschwindigkeiten ab 400 m/min. hat es sich gezeigt, dass durch das Entstehen einer laminaren Luftströmung auf der Folienoberfläche derart viel Luft mitgeschleppt wird, dass ein Teil der Luft mit in die Wickelrolle eingewickelt wird. Beim Einwickeln wird die Luft komprimiert und hat daher einen Druck, der oberhalb des Umgebungsdrucks liegt. Beim Drehen der Wickelrolle entsteht eine Erregung, die mit dem Schwingen einer Luftsäule vergleichbar ist. Durch diese Erregung wird die mit Druck an der Wickelrolle anliegende Kontaktwalze ebenfalls zum Schwingen angeregt. Dies führt durch die Lagerung nach Art eines stehenden Pendels dazu, dass die Kontaktwalze bestrebt ist, nach vorne oder nach hinten zu kippen, und nur durch die pneumatische Andruckkraft in Richtung zur Wickelrolle gedrückt wird. Da die Kontaktwalze beim Anliegen wieder weggedrückt wird, wird sie zu Vibrationen und Schwingungen angeregt mit der Folge, dass zu viel Luft in die Wickelrolle eingewickelt wird. Dies führt zum seitlichen Verlaufen einzelner Folienlagen in der Wickelrolle. Der Erfindung liegt daher die Aufgabe zugrunde, eine Wickelmaschine der gattungsgemäßen Art so zu verbessern, dass das Auftreten von unerwünschten Vibrationen der Kontaktwalze erheblich vermindert wird. Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass die Wickelböcke zur Anpassung an den Wickelrollendurchmesser zumindest im Bereich des Wickelrollenzentrums in Richtung zur Kontaktwalze und zurück bewegbar gelagert sind, und Frequently, the contact rollers are fixed to vertically mounted pivot arms, which engage pneumatic cylinders, which press in the direction of the winding roll. At winding speeds from 400 m / min. It has been shown that so much air is entrained by the emergence of a laminar air flow on the film surface, that a part of the air is wrapped in the winding roll. When wrapping the air is compressed and therefore has a pressure that is above the ambient pressure. When turning the winding roll creates an excitement that is comparable to the swinging of an air column. As a result of this excitation, the contact roller bearing pressure on the winding roller is likewise excited to oscillate. This leads by the storage in the manner of a pendulum standing to the fact that the contact roller strives to tilt forward or backward, and is pressed only by the pneumatic pressure force in the direction of the winding roll. As the contact roller is pushed away again when it hits, it is excited to vibrations and oscillations, with the result that too much air is wrapped in the winding roll. This leads to the lateral bleeding of individual film layers in the winding roll. The invention is therefore based on the object to improve a winding machine of the generic type so that the occurrence of unwanted vibrations of the contact roller is significantly reduced. This object is achieved according to the invention in that the winding blocks are mounted for adaptation to the winding roller diameter at least in the region of the winding roller center in the direction of the contact roller and back movable, and
dass die Kontaktwalze an ihren Enden jeweils in einem ortsfesten Halter so gelagert ist, dass sie that the contact roller is mounted at each of its ends in a stationary holder so that they
- linear und in Richtung zum Wickelrollenzentrum beweglich und - Moving linearly and towards the reel center and
- von der Wickelrolle gegen eine elastische Gegenkraft wegdrückbar ist. Nach einer Ausführungsform sind die Wickelböcke zur Anpassung an den Wickelrollendurchmesser zumindest im Bereich des Wickelrollenzentrums in Richtung zur Kontaktwalze und zurück linear bewegbar gelagert. - Can be pushed away from the winding roll against an elastic reaction force. According to one embodiment, the Wickelböcke are mounted to adapt to the winding roller diameter at least in the region of the winding roller center in the direction of the contact roller and back linearly movable.
Nach einer anderen Ausführungsform sind die Wickelböcke zur Anpassung an den Wickelrollendurchmesser in Richtung zur Kontaktwalze und zurück schwenkbar gelagert. According to another embodiment, the winding blocks are mounted for adaptation to the winding roller diameter in the direction of the contact roller and back pivotally.
Bevorzugt ist die Kontaktwalze parallel zur Linearbewegung der Wickelböcke beweglich gelagert. Sie bewegt sich somit immer in einer Linie mit dem Zentrum der Wickelrolle. Vorteilhaft sind die Wickelböcke auf dem Boden in und gegen Bahnlaufrichtung linear verschiebbar gelagert, und die Bewegungsmöglichkeit der Kontaktwalze ist ebenfalls horizontal. Auf bekannte Weise ist die Kontaktwalze beim Aufwickeln vorteilhafterweise teilweise von der Materialbahn umschlungen, und die elastische Gegenkraft wird von einer pneumatischen Kolben-Zylinder- Einheit erzeugt. Die erfindungsgemäße Lagerung der Kontaktwalze und der Wickelrollenböcke ermöglicht es, konstruktiv einfach die Bewegung der Kontaktwalze mittels eines Dämpfersystems zu dämpfen. Preferably, the contact roller is mounted movably parallel to the linear movement of the winding blocks. It thus always moves in a line with the center of the winding roll. Advantageously, the winding blocks are mounted linearly displaceably on the ground in and against the running direction, and the possibility of movement of the contact roller is likewise horizontal. In known manner, the contact roller during winding is advantageously partially wrapped by the material web, and the elastic reaction force is generated by a pneumatic piston-cylinder unit. The inventive storage of the contact roller and the winding roller blocks makes it possible structurally simple to damp the movement of the contact roller by means of a damper system.
Vorteilhafte Dämpfersysteme enthalten Öldämpfer, eine mechanische Reibbremse oder einen elektrorheologischen Dämpfer, deren Dämpfungswirkung einstellbar ist. Ebenso ist der Einsatz von aktiven Tilgersystemen, bei denen Dämpfungselemente mit gleicher Frequenz und in Gegenphase beispielsweise von Linearmotoren zum Schwingen angeregt werden. Advantageous damper systems include oil damper, a mechanical friction brake or an electrorheological damper whose damping effect is adjustable. Likewise, the use of active absorber systems in which damping elements are excited to oscillate at the same frequency and in the opposite phase, for example by linear motors.
Konstruktiv vorteilhaft wird die Kontaktwalze an ihren Enden jeweils in einer zum Wickelrollenzentrum gerichteten Linearführung geführt. Die Dämpfer des Dämpfungssystems wirken bevorzugt im Bereich der Linearführung auf die Kontaktwalze ein. Constructively advantageous, the contact roller is guided at their ends in each case in a roll guide center directed linear guide. The dampers of the damping system preferably act in the region of the linear guide on the contact roller.
Nachfolgend wird die Erfindung anhand eines grob vereinfacht dargestellten Ausführungsbeispiels näher erläutert. The invention will be explained in more detail below with reference to a roughly simplified embodiment.
Figur 1 zeigt die Lagerung der Kontaktwalze mit einem Figure 1 shows the storage of the contact roller with a
Dämpfungssystem.  Damping system.
Die in der Figur nur ausschnittsweise dargestellte Wickelmaschine dient zum Aufwickeln einer durch Längsschnitte in Einzelbahnen unterteilten Kunststofffolie zu Wickelrollen. Die Breite der aufzuwickelnden Einzelbahnen beträgt typischerweise zwischen 200 und 4500 mm, sie kann - ebenso wie die Breite der Ausgangsbahn - 10 m und mehr betragen. Die Bahngeschwindigkeit beim Aufwickeln beträgt typischerweise zwischen 600 und 1200 m/min. Die Wickelmaschine enthält auf bekannte Weise eine Abwickelvorrichtung, in der die Abwickelrolle aufgehängt ist, von der die Bahn abgezogen wird, aus der die Wickelrollen hergestellt werden. Die breite Materialbahn wird anschließend in einer Längsschneidevorrichtung in Einzelbahnen 1 aufgeteilt, die danach jeweils zu einer Wickelrolle 2 aufgewickelt werden. Das Aufwickeln einer Wickelrolle 2 erfolgt jeweils in einer Wickelstation, die jeweils aus zwei quer verfahrbar gelagerten Wickelböcken 3 bestehen, an denen Spannköpfe zum Halten der Wickelrolle 2 drehbar gelagert sind. Bevorzugt sind die Wickelstationen in zwei Wickellinien angeordnet, und die Einzelbahnen werden wechselweise den beiden Wickellinien zugeführt. So lassen sich die einzelnen Wickelstationen über die Arbeitsbreite jeweils mit einem gewissen Abstand voneinander anordnen. The winding machine shown only partially in the figure is used to wind a subdivided by longitudinal cuts in single sheets plastic film to bobbins. The width of the individual webs to be wound up is typically between 200 and 4500 mm, and it may be 10 m or more, just like the width of the starting web. The web speed during winding is typically between 600 and 1200 m / min. The winding machine includes in a known manner an unwinding device in which the unwinding roll is suspended, from which the web is drawn, from which the winding rolls are produced. The wide material web is then divided in a longitudinal cutting device into individual webs 1, which are then wound in each case to form a winding roll 2. The winding of a winding roll 2 is carried out in each case in a winding station, each consisting of two transversely movable mounted winding blocks 3, on which clamping heads for holding the winding roll 2 are rotatably mounted. Preferably, the winding stations are arranged in two winding lines, and the individual webs are alternately fed to the two winding lines. Thus, the individual winding stations can be arranged over the working width in each case with a certain distance from each other.
Zum Abquetschen von Luft ist zumindest eine Kontaktwalze 4 sich quer über die Arbeitsbreite erstreckend an ihren Enden jeweils in einem Halter gelagert. Bevorzugt ist jeder Wickelstation eine Kontaktwalze 4 zugeordnet, wobei die Halter zur Anpassung an verschiedene Bahnbreiten quer zur Bahnlaufrichtung verstellbar sind. Die Materialbahn 1 wird den Kontaktwalzen 4 von einer Bahnführungswalze 5 zugeführt. Die Kontaktwalzen 4 sind beim Aufwickeln teilweise von der Materialbahn 1 umschlungen und liegen unter Druck an der jeweiligen Wickelrolle 2 an. Um sich beim Aufwickeln dem wachsenden Wickelrollendurchmesser anpassen zu können, sind die Wickelböcke 3 zumindest im Bereich des Wickelrollenzentrums 6 in Richtung zur Kontaktwalze 4 und zurück bewegbar gelagert. Zusätzlich sind sie quer zur Bahnlaufrichtung verstellbar, um ihre Position verschiedenen Bahnbreiten anpassen zu können. Nach einer Variante sind die Wickelböcke 3 zumindest im Bereich des Wickelrollenzentrums 6 in Richtung zur Kontaktwalze 4 und zurück linear bewegbar gelagert. Im Beispiel werden die Wickelböcke 3 komplett linear bewegt. Nach einer anderen, nicht in der Figur dargestellten Variante sind die Wickelböcke zur Anpassung an den Wickelrollendurchmesser in Richtung zur Kontaktwalze und zurück schwenkbar gelagert. Jede Kontaktwalze 4 ist an ihren Enden in einem Halter linear in Richtung zum Wickelrollenzentrum beweglich in einer Linearführung 7 gelagert, wobei die Linearführung 7 zum Wickelrollenzentrum gerichtet ist. Eine elastische Gegenkraft, die von einer einstellbaren pneumatischen Kolben- Zylinder-Einheit erzeugt wird und in Figur 1 als Feder 8 skizziert ist, drückt die Kontaktwalze 4 gegen die Wickelrolle 2, wobei die Gegenkraft so gewählt ist, dass die Wickelrolle 2 die Kontaktwalze 4 wegdrücken kann. Bevorzugt ist die Kontaktwalze 4 parallel zur Linearbewegung der Wickelböcke 3 beweglich gelagert. Zur Herstellung von schweren Wickelrollen 2 ist es vorteilhaft, wenn die Wickelböcke 3 auf dem Boden in und gegen Bahnlaufrichtung linear verschiebbar gelagert sind, und die Kontaktwalzen 4 ebenfalls horizontal beweglich gelagert sind. For squeezing air, at least one contact roller 4 is mounted transversely across the working width at each of its ends in a holder. Preferably, each winding station is associated with a contact roller 4, wherein the holders are adjustable transversely to the web running direction for adaptation to different web widths. The material web 1 is fed to the contact rollers 4 by a web guide roller 5. The contact rollers 4 are partially wrapped in the winding of the material web 1 and are under pressure to the respective winding roller 2 at. In order to be able to adapt to the growing winding roll diameter during winding, the winding frames 3 are mounted at least in the area of the winding roll center 6 in the direction of the contact roll 4 and movable back. In addition, they are adjustable transversely to the web running direction in order to adjust their position to different web widths. According to a variant, the winding blocks 3 are mounted at least in the region of the winding roller center 6 in the direction of the contact roller 4 and back linearly movable. In the example, the winding blocks 3 are moved completely linear. According to another variant, not shown in the figure, the winding blocks are mounted for adaptation to the winding roller diameter in the direction of the contact roller and back pivotally. Each contact roller 4 is mounted at its ends in a holder linearly movable in the direction of the winding roll center in a linear guide 7, wherein the linear guide 7 is directed to the winding roll center. An elastic counterforce, which is generated by an adjustable pneumatic piston-cylinder unit and outlined in Figure 1 as a spring 8, presses the contact roller 4 against the winding roller 2, wherein the counterforce is selected so that the winding roller 2, the contact roller 4 push away can. Preferably, the contact roller 4 is mounted movably parallel to the linear movement of the winding blocks 3. For the production of heavy bobbins 2, it is advantageous if the Wickelböcke 3 are mounted linearly displaceable on the ground in and against the web running direction, and the contact rollers 4 are also mounted horizontally movable.
Die Bewegung einer Kontaktwalze 4 wird von einem nachfolgend näher beschriebenen Dämpfungssystem 9 gedämpft. Bevorzugt enthält das Dämpfungssystem 9 einen Dämpfer, der im Bereich einer Linearführung 7 für die Kontaktwalze 4 in dem Halter auf die Kontaktwalze 4 einwirkt. Da keine Umlenkungen zwischen dem Dämpfersystem 9 und der Kontaktwalze 4 vorliegen, kann kein Spiel von Bahnumlenkelementen die Dämpfungswirkung beeinträchtigen. The movement of a contact roller 4 is damped by a damping system 9 described in more detail below. Preferably, the damping system 9 includes a damper which acts in the holder on the contact roller 4 in the region of a linear guide 7 for the contact roller 4. Since there are no deflections between the damper system 9 and the contact roller 4, no play of Bahnumlenkelementen affect the damping effect.
Als Dämpfer für das Dämpfungssystem 9 werden bevorzugt Öldämpfer verwendet. Alternativ ist es möglich, eine mechanische Reibbremse einzusetzen, die mechanisch oder mittels einer pneumatischen Kolben- Zylinder-Einheit einstellbar ist. Weitere Alternativen sind elektrorheologische Dämpfer, die elektrisch einstellbar sind, oder aktive Tilgersysteme, bei denen Dämpfungselemente mit gleicher Frequenz und in Gegenphase beispielsweise von Linearmotoren zum Schwingen angeregt werden. Die Wickelmaschine nach der Erfindung hat vorteilhaft eine sehr stabile Basiskonstruktion. Die Beweglichkeit der Kontaktwalze 4 wird bevorzugt durch Linearführungen 7 bewirkt, die in unmittelbarer Nähe der Lagerpunkte der Kontaktwalze 4 angebracht sind. Dadurch haben die zur Lagerung der Kontaktwalze 4 erforderlichen Bauteile eine sehr geringe Masse, was in Verbindung mit der stabilen Basiskonstruktion zu einer deutlichen Erhöhung der Eigenfrequenzen führt. Das parallel zur Bewegungsrichtung der Kontaktwalze 4 wirkende Dämpfungssystem 9 trägt zusätzlich zur Vermeidung möglicher Vibrationen oder Schwingungen bei. As damper for the damping system 9 oil damper are preferably used. Alternatively, it is possible to use a mechanical friction brake, which is adjustable mechanically or by means of a pneumatic piston-cylinder unit. Further alternatives are electrorheological dampers, which are electrically adjustable, or active absorber systems, in which damping elements with the same frequency and in the opposite phase, for example, are excited to oscillate by linear motors. The winding machine according to the invention advantageously has a very stable base construction. The mobility of the contact roller 4 is preferably effected by linear guides 7, which are mounted in the immediate vicinity of the bearing points of the contact roller 4. As a result, the components required for supporting the contact roller 4 have a very low mass, which, in conjunction with the stable basic construction, leads to a significant increase in the natural frequencies. The damping system 9 acting parallel to the direction of movement of the contact roller 4 additionally contributes to avoiding possible vibrations or oscillations.

Claims

P A T E N T A N S P R Ü C H E PATENT APPLICATIONS
1. 1.
Wickelmaschine zur Herstellung von Wickelrollen (2) aus Materialbahnen Winding machine for producing winding rolls (2) from material webs
(1) , insbesondere aus Kunststofffolien, mit zumindest einer Wickelstation bestehend aus zwei Wickelböcken (3), zwischen denen eine Wickelrolle(1), in particular of plastic films, with at least one winding station consisting of two winding blocks (3), between which a winding roll
(2) beim Aufwickeln aufgehängt ist, und mit einer Kontaktwalze (4), die beim Aufwickeln umfänglich an einer Wickelrolle (2) unter Druck anliegt, dadurch gekennzeichnet, dass (2) is suspended during winding, and with a contact roller (4) which abuts circumferentially during winding on a winding roll (2) under pressure, characterized in that
die Wickelböcke (3) zur Anpassung an den Wickelrollendurchmesser zumindest im Bereich des Wickelrollenzentrums (6) in Richtung zur Kontaktwalze (4) und zurück bewegbar gelagert sind, und the Wickelböcke (3) for adaptation to the winding roller diameter at least in the region of the winding roller center (6) in the direction of the contact roller (4) and are mounted movable back, and
dass die Kontaktwalze (4) an ihren Enden jeweils in einem ortsfesten Halter so gelagert ist, dass sie that the contact roller (4) is mounted at its ends in a stationary holder so that they
- linear und in Richtung zum Wickelrollenzentrum 6) beweglich und - von der Wickelrolle (2) gegen eine elastische Gegenkraft wegdrückbar ist.  - Linear and in the direction of the winding roller center 6) movable and - of the winding roller (2) against an elastic reaction force can be pushed away.
2. Second
Wickelmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass die Wickelböcke (3) zur Anpassung an den Wickelrollendurchmesser zumindest im Bereich des Wickelrollenzentrums (6) in Richtung zur Kontaktwalze (4) und zurück linear bewegbar gelagert sind.  Winding machine according to claim 1, characterized in that the winding blocks (3) are mounted for adjustment to the winding roller diameter at least in the region of the winding roller center (6) in the direction of the contact roller (4) and back linearly movable.
3. Third
Wickelmaschine nach Anspruch 1 , dadurch gekennzeichnet, dass dieWinding machine according to claim 1, characterized in that the
Wickelböcke (3) zur Anpassung an den Wickelrollendurchmesser in Richtung zur Kontaktwalze (4) und zurück schwenkbar gelagert sind. Winding blocks (3) for adaptation to the winding roller diameter in the direction of the contact roller (4) and are mounted pivotally back.
4. 4th
Wickelmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Kontaktwalze (4) beim Aufwickeln teilweise von der Materialbahn (1) umschlungen ist.  Winding machine according to one of claims 1 to 3, characterized in that the contact roller (4) during winding is partially looped around by the material web (1).
5. 5th
Wickelmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die elastische Gegenkraft von einer pneumatischen Kolben-Zylinder-Einheit erzeugt wird.  Winding machine according to one of claims 1 to 4, characterized in that the elastic counterforce is generated by a pneumatic piston-cylinder unit.
6. 6th
Wickelmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Bewegung der Kontaktwalze von einem Dämpfungssystem (9) gedämpft wird.  Winding machine according to one of claims 1 to 5, characterized in that the movement of the contact roller is damped by a damping system (9).
7. 7th
Wickelmaschine nach Anspruch 6 gekennzeichnet durch ein Dämpfungssystem (9), das einen Öldämpfer aufweist.  Winding machine according to claim 6, characterized by a damping system (9) which has an oil damper.
8. 8th.
Wickelmaschine nach Anspruch 6, dadurch gekennzeichnet, dass das Winding machine according to claim 6, characterized in that the
Dämpfungssystem (9) eine mechanische Reibbremse enthält, die mechanisch oder mittels einer pneumatischen Kolben-Zylinder-Einheit einstellbar ist. Damping system (9) includes a mechanical friction brake, which is adjustable mechanically or by means of a pneumatic piston-cylinder unit.
9. 9th
Wickelmaschine nach Anspruch 6 gekennzeichnet durch einen elektrorheologischen Dämpfer, der elektrisch einstellbar ist. Winding machine according to claim 6, characterized by an electrorheological damper, which is electrically adjustable.
10. 10th
Wickelmaschine nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, dass die Kontaktwalze (4) an ihren Enden jeweils in einer zum Wickelrollenzentrum (6) gerichteten Linearführung (7)geführt ist, wobei die Dämpfer des Dämpfersystems (9) im Bereich der Linearführung (7) auf die Kontaktwalze (4) einwirken.  Winding machine according to one of claims 6 to 9, characterized in that the contact roller (4) at their ends in each case to a winding roller center (6) directed linear guide (7) is guided, wherein the damper of the damper system (9) in the region of the linear guide ( 7) act on the contact roller (4).
11. 11th
Wickelmaschine nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass die Wickelböcke (3) auf dem Boden in und gegen Bahnlaufrichtung linear verschiebbar gelagert sind. Winding machine according to one of claims 2 to 10, characterized in that the winding blocks (3) are mounted linearly displaceable on the ground in and against the running direction.
PCT/EP2011/001717 2010-06-16 2011-04-07 Winding machine for producing winding rolls from material webs WO2011157314A1 (en)

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JP2013514562A JP2013532106A (en) 2010-06-16 2011-04-07 Winding machine for producing winding rolls from material web
EP11713691.1A EP2582604A1 (en) 2010-06-16 2011-04-07 Winding machine for producing winding rolls from material webs

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DE102010023921.6 2010-06-16
DE201010023921 DE102010023921A1 (en) 2010-06-16 2010-06-16 Winding machine for the production of winding rolls of material webs

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CN104860095A (en) * 2015-03-27 2015-08-26 大连橡胶塑料机械股份有限公司 Damping delivery winding shaft with crank arm for winding machine
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