EP1947042A1 - Winding apparatus - Google Patents

Winding apparatus Download PDF

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Publication number
EP1947042A1
EP1947042A1 EP07002023A EP07002023A EP1947042A1 EP 1947042 A1 EP1947042 A1 EP 1947042A1 EP 07002023 A EP07002023 A EP 07002023A EP 07002023 A EP07002023 A EP 07002023A EP 1947042 A1 EP1947042 A1 EP 1947042A1
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EP
European Patent Office
Prior art keywords
winding
winding shaft
winding device
stabilizing rollers
stabilizing
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.)
Granted
Application number
EP07002023A
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German (de)
French (fr)
Other versions
EP1947042B1 (en
Inventor
Helmut Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
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.)
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Publication date
Application filed by Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority to EP20070002023 priority Critical patent/EP1947042B1/en
Publication of EP1947042A1 publication Critical patent/EP1947042A1/en
Application granted granted Critical
Publication of EP1947042B1 publication Critical patent/EP1947042B1/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
    • B65H18/02—Supporting web roll
    • B65H18/023—Supporting web roll on its outer circumference
    • B65H18/025—Parallel rollers type
    • 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
    • B65H18/02—Supporting web roll
    • B65H18/028—Both ends type
    • 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
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms 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
    • 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
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/50—Vibrations; Oscillations
    • 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
    • B65H2601/10—Ensuring correct operation
    • B65H2601/12—Compensating; Taking-up
    • B65H2601/125—Vibration
    • 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

Definitions

  • the invention relates to a winding device for winding a continuously tapered material web on a winding shaft to form a coil of the material web on the winding shaft, wherein a rotatably mounted in the winding device contact roller is provided over which the wound material web feasible and from this to the winding shaft or the on forming coil is deliverable.
  • Winding devices of the type mentioned are widely known and are used in particular for winding continuously tapered material webs made of plastics.
  • Examples of such material webs comprise single- or multilayer extruded plastic films, which are fed from an upstream extrusion line of the winding device, as well as nonwoven webs based on meltblown microfibers and / or continuous fibers or combinations of the aforementioned webs, including, for example DE 42 13 712 C2 is referenced.
  • winding shafts held only in the region of their shaft ends in the winding device receive a considerable weight when wound with a coil of the material web of possibly considerable diameter, these are inevitably subject to deflection under their own weight, which is particularly the case with very slim winding shafts and a winding device with high performance and correspondingly high speed of the winding shaft causes unwanted bending vibrations occur. These bending vibrations cause quality problems during winding, since the winding shaft has multiple degrees of freedom and strongly deflects when such vibrations in their degrees of freedom.
  • the contact roller easily loses contact with the coil forming on the winding shaft in the areas with high amplitude, so that in these areas the material web is wound up for a short time with a gap between the contact roller and the coil, with air between the individual layers of the material web Wrapped with, resulting in unusable, inhomogeneous and poor quality wound coils of material web entails.
  • the object underlying the invention is therefore to develop a winding device of the type mentioned in such a way that the deflection in the winding shaft and the associated occurrence of bending vibrations is prevented in the simplest possible way, with the inventive design preferably also for retrofitting to already should be suitable existing winding devices.
  • the invention proposes the formation of a winding device according to the features of claim 1.
  • the invention provides to use at least two stabilizing rollers in the winding device according to the invention, which by means of a Anschwenk adopted on the contact roller opposite side of the winding shaft to the surface of the winding shaft or the coil forming thereon can be applied and are lifted off when not in use by the Anschwenk owned of this ,
  • the on the side opposite the contact roller side of the winding shaft to the surface of the winding shaft or the coils forming thereon stabilizing rollers take in the friction drive in the region of a nine o'clock position on the contact roller usually adjacent winding shaft or the coils forming thereon in the State of the art hitherto unavoidable degrees of freedom and prevent the occurrence of bending vibrations with the initially described adverse effects.
  • the stabilizing rollers by means of the Anschwenk can be applied to the surface of the winding shaft or the coil forming thereon and are lifted when not in use by means of the Anschwenk conjugate, the stabilizing rollers and their Anschwenk noise hinder the other operation and the movement within the winding device not which is particularly advantageous for the implementation of winding shaft change when reaching a predetermined coil diameter on the winding shaft.
  • the invention provides that the stabilizing rollers by means of the Anschwenk adopted from a retracted from the winding shaft rest position in which they do not interfere with the movement within the winding device, are pivotable into a working position in which they on the surface of the winding shaft or the forming thereon Coils can be applied and vice versa eg in a winding shaft change from the working position to the rest position are pivotable to then provide sufficient range of motion for the remaining parts of the winding device.
  • the stabilizing rollers are pivotable by means of a common pivoting device, so that only one drive for the pivoting device is needed.
  • each stabilizing roller with its own pivoting device and a corresponding own drive, if this is desired in the context of installation situation and product requirement of the specific winding device.
  • stabilizing rollers are applied to the surface of the winding shaft or of the coils forming thereon Center axis of a first stabilizing roller always above and the center axis of the second stabilizing roller always below the running through the central axis of the contact roller and the winding shaft horizontal plane, so that always creates a three-point support.
  • the stabilizing rollers at each stage of the winding process on the winding shaft this take the degrees of freedom that have been responsible for the occurrence of quality variations in the winding result so far.
  • the pivoting device preferably comprises a pivoting lever actuated by a pressure cylinder, on whose one lever arm the pressure cylinder engages and on whose other lever arm the stabilizing rollers are fastened. This not only allows a simple drive of the stabilizing rollers from the rest position to the working position and back, but such a pivoting usually can be retrofitted with little effort to existing winding devices or integrate into this.
  • the stabilizing rollers are fastened to a common pivoting lever of a pivoting device, it is also proposed that the stabilizing rollers are articulated to the lever arm by means of an articulated arm pivotable about a pivot bearing, so that they are always uniform on the circumference of the winding shaft or of the coil forming thereon let create.
  • the stabilizing rollers are preferably applied to the surface of the winding shaft or the coil forming thereon to produce a predeterminable contact pressure, wherein a contact pressure in the range of 10 to 6,000 N is considered suitable.
  • the respective concrete contact pressure to be determined by the expert in the context of the present system configuration.
  • the contact pressure can be measured, for example, by means of pressure measuring devices arranged in the stabilizing rollers in order to integrate a control circuit for the contact pressure into the control of the winding device.
  • the contact pressure can be exerted by the pressure acting on the pivot lever pressure cylinder, which can be configured for example as a pneumatic or hydraulic cylinder.
  • the pressure acting on the pivot lever pressure cylinder which can be configured for example as a pneumatic or hydraulic cylinder.
  • both sides of the piston of the pressure cylinder can be subjected to controllable pressure, so that the spring properties of the swivel lever cushioning An horrzylinders can be influenced. If the pressure cylinder is subjected to little or no counter pressure on the piston, soft suspension properties can be achieved, which are advantageous, for example, for winding blunt films.
  • the stabilizing rollers have a coating applied to the outer periphery thereof with at least two layers, wherein the inner layer is elastically formed with a lower hardness than the outer layer, so that the stabilizing rollers uniformly and vibration damping to the surface of the winding shaft or of the coil forming thereon, even if it is subject to a deflection.
  • Such coatings can be formed, for example, based on appropriately adjusted gummings of natural or synthetic rubber substrates, wherein more preferably the inner layer has a Shore A hardness of 2 to 30 and the outer layer has a Shore A hardness of 40 to 90.
  • FIG. 4 is a winding device for winding a continuous material web 4, such as a plastic film web, on a winding shaft 3 to form a coil 40 of the material web 4 on the winding shaft 3 according to the prior art.
  • the material web 4 runs in the direction shown by arrow first via a guide roller 10 on a contact roller 1, which is provided for example with a rotary drive and is rotatably mounted within a fixed machine frame 2. After the material web 4 has been guided over a partial circumferential region of the rotating contact roller 1, it is transferred to a winding shaft 3, which is located in the friction operation on the circumference of the contact roller 1 and on which on a pushed over the winding shaft 3 cardboard tube 30, a coil 40th the wound material web 4 of gradually increasing diameter forms.
  • Characteristic of such so-called contact roller winder is that the winding shaft 3 in its winding position serving as shown in the FIG. 4 relative to the contact roller 1 in an approximately nine o'clock position, that is, on an approximately horizontal plane to the contact roller 1, but it reaches a considerable weight in particular with increasing diameter of the forming coil 40 and consequently subjected to a strong deflection in the direction of arrow D. is.
  • This deflection D causes, in particular, very slender, i. having small diameter winding shafts 3 and at the same time very high performance of the winding device with concomitant high speed of the winding shaft 3 bending vibrations, which cause the winding shaft 3, along its three degrees of freedom, namely in und.entalle arrow D vertically up and down and in the direction of arrow A deflect horizontally away from the contact roller 1 due to vibration, which is very easy to form a gap between the coil 40 and the surface of the contact roller 1 and subsequent air entrapment in the forming coil 40 on the winding shaft 3, which adversely affects the winding quality.
  • FIGS. 1 to 3 Winder shown in more detail in the same parts to the representation according to FIG. 4 are provided with the same reference numerals and will not be explained again separately to avoid repetition, unless this is necessary for understanding the invention, additionally provided with a pair of stabilizing rollers 5a, 5b, like the contact roller 1 on the surface of the winding shaft. 3 or of the coils 40 of the material web 4 forming thereon can be applied.
  • the stabilizing rollers are in this case with respect to the winding shaft 3 of the contact roller 1 with respect.
  • pivoting device 6 with a drive and pressure cylinder 60, by means of which the two stabilizing rollers 5a, 5b from a rest position remote from the winding shaft 3 in the in the FIG. 1 shown work position are pivotable in which they roll on the surface of the forming coil 40 on the winding shaft 3.
  • the stabilizing rollers 5a, 5b for example, when changing the fully wound winding shaft 3 do not interfere with the associated movements, however, are applied directly when winding a new winding shaft 3 with the first turns of a forming coil 40 on the surface can and in the subsequent occurring diameter growth of the coil 40 of this contact with the surface of the same persists.
  • the arrangement of the stabilizing rollers 5a, 5b is selected such that the central axis M1 of the stabilizing roller 5a comes to rest above the horizontal plane H passing through the center axis of the winding shaft 3 and the contact roller 1, while the center axis M2 of the further stabilizing roller 5b extends below the horizontal plane H.
  • FIG. 1 and 2 Take the stabilizing rollers 5a, 5b of the winding shaft 3 and the forming thereon coil 40 according to the prior art according to FIG. 4 unavoidable degrees of freedom that led to the occurrence of bending vibrations to the unwanted loss of contact between the coil 40 and the contact roller 1. Accordingly, when using the stabilizing rollers 5a, 5b, the occurrence of bending vibration is effectively counteracted and the winding result is significantly improved.
  • a further increase in the effectiveness of the two stabilizing rollers 5a, 5b is achieved in that over the pressure cylinder 60 of the pivoting device 6 a specifiable and defined contact pressure of the stabilizing rollers 5a, 5b on the surface of the winding shaft 3 and the coil 40 forming thereon against the the contact roller 1 exerted pressure is applied.
  • a contact pressure is advantageously in the range between 10 and 6,000 N, is suitably adjustable via the control of the pressure cylinder 60 and can optionally also be provided by pressure measuring devices, e.g. Pressure measuring cans in the stabilizing rollers 5a, 5b are measured and controlled as part of an automated control.
  • the pivoting device 6 for applying the stabilizing rollers 5a, 5b to the surface of the winding shaft 3 or of the coil 40 forming thereon is in the FIG. 3 shown in more detail.
  • the two stabilizing rollers 5a, 5b attached to a pivot lever 61 which is attached via a rotary joint 611 to the stationary machine frame 2 and about the pivot 611 is pivotable.
  • the pressure cylinder 60 engages a first lever arm 610 of the pivot lever 61, while the two stabilizing rollers 5a, 5b are attached to the second lever arm 612 of the pivot lever 61.
  • the articulated mounting and attachment of the stabilizing rollers 5a, 5b via the articulated arm 62 and the pivot bearing 63 on the second lever arm 612 ensures a uniform and optimal installation of both stabilizing rollers 5a, 5b regardless of the actual prevailing diameter of the forming on the winding shaft 3 coil.
  • FIG. 3 The presentation of the FIG. 3 with completely retracted piston of Anyakzylinders 60 shows the working position of the stabilizing rollers, while fully extending the piston of Anyakzylinders 60, the two pressure rollers 5a, 5b are pivoted clockwise about the pivot 611 so that they enter a rest position in which they the other Movement of parts of the winding device, not hinder in the course of a winding shaft change.
  • an adjustable contact pressure on the stabilizing rollers 5a, 5b and thus on the pressure cylinder 60 in working position the coil 40 resting against it can be exerted on the winding shaft 3, it also being possible to provide the piston of the pressure cylinder 60 on both sides with an adjustable pressure in order to influence its spring characteristic, as has already been explained above.
  • the two stabilizing rollers 5a, 5b starting from an example metallic core 50 have a two-layer coating with an inner layer 51 and an outer layer 52, the latter at the same time forms the outer periphery of the stabilizing rollers 5a, 5b.
  • These two coatings 51, 52 may be selected, for example, from rubbers based on natural or synthetic rubber, wherein the inner layer 51 has a lower Shore A hardness of about 2 to 30 and the outer layer 52 a relatively higher Shore A hardness of about 40 to 90, whereby a particularly gentle treatment of the running on the outer circumference of the outer layer 52 coil 40 is ensured.
  • the inner layer 51 may also be foamed, so that gas bubbles are included, which additionally have a particularly good vibration damping property.
  • stabilizing roller 5a could by means of a similar as in Example FIG. 3 arranged pivot lever 61 are pivoted from an upper rest position to a lower working position and the positioned below further stabilizing roller 5 b are pivoted from a lower rest position to an upper working position by means of its own formed approximately mirror-symmetrical to the horizontal configuration or linear movements are from the rest position in provided the working position and back again, which are performed by appropriately trained Verschwenk Nuren.

Abstract

The winding apparatus has a supported contact roller (1) that is pivoted in the winding apparatus. Two stabilization rollers (5a,5b) are provided, which are applied with pivoting device (6) to the side of the winding shaft (3) at the surface or to the side of coil (40) and are cancelled during the non usage by pivoting device. The stabilization rollers are tiltable by the pivoting device from one of the winding shaft.

Description

Die Erfindung betrifft eine Wickeleinrichtung zur Aufwicklung einer kontinuierlich zulaufenden Materialbahn auf eine Wickelwelle unter Ausbildung eines Coils der Materialbahn auf der Wickelwelle, wobei eine drehbar in der Wickeleinrichtung gelagerte Kontaktwalze vorgesehen ist, über die die aufzuwickelnde Materialbahn führbar und von dieser an die Wickelwelle bzw. den sich darauf bildenden Coil abgebbar ist.The invention relates to a winding device for winding a continuously tapered material web on a winding shaft to form a coil of the material web on the winding shaft, wherein a rotatably mounted in the winding device contact roller is provided over which the wound material web feasible and from this to the winding shaft or the on forming coil is deliverable.

Wickeleinrichtungen der eingangs genannten Art sind vielfältig bekannt und werden insbesondere zur Aufwicklung kontinuierlich zulaufender Materialbahnen aus Kunststoffen verwendet. Beispiele derartiger Materialbahnen umfassen ein- oder mehrschichtige extrudierte Kunststofffolien, die von einer vorgeschalteten Extrusionsanlage der Wickeleinrichtung zugeführt werden, wie auch Vliesbahnen auf Basis von schmelzgeblasenen Mikrofasern und/oder Endlosfasern oder Kombinationen der vorgenannten Materialbahnen, wozu beispielsweise auf die DE 42 13 712 C2 verwiesen wird.Winding devices of the type mentioned are widely known and are used in particular for winding continuously tapered material webs made of plastics. Examples of such material webs comprise single- or multilayer extruded plastic films, which are fed from an upstream extrusion line of the winding device, as well as nonwoven webs based on meltblown microfibers and / or continuous fibers or combinations of the aforementioned webs, including, for example DE 42 13 712 C2 is referenced.

Da die lediglich im Bereich ihrer Wellenenden in der Wickeleinrichtung gehaltenen Wickelwellen bei Bewicklung mit einem Coil der Materialbahn von unter Umständen beträchtlichem Durchmesser ein erhebliches Eigengewicht erhalten, unterliegen diese zwangsläufig einer Durchbiegung unter ihrem Eigengewicht, was insbesondere bei sehr schlanken Wickelwellen und einer Wickeleinrichtung mit hoher Leistung und entsprechend hoher Drehzahl der Wickelwelle dazu führt, dass unerwünschte Biegeschwingungen auftreten. Diese Biegeschwingungen verursachen Qualitätsprobleme während des Aufwickelns, da die Wickelwelle mehrere Freiheitsgrade aufweist und beim Auftreten solcher Schwingungen in ihren Freiheitsgraden stark auslenkt. Dabei verliert die Kontaktwalze in den Bereichen mit hoher Amplitude leicht den Kontakt zu dem sich auf der Wickelwelle ausbildenden Coil, so dass in diesen Bereichen die Materialbahn kurzzeitig mit einem Spalt zwischen der Kontaktwalze und dem Coil aufgewickelt wird, wobei Luft zwischen die einzelnen Lagen der Materialbahn mit eingewickelt wird, was unbrauchbare, inhomogene und qualitätsmäßig schlechte aufgewickelte Coils der Materialbahn nach sich zieht.Since the winding shafts held only in the region of their shaft ends in the winding device receive a considerable weight when wound with a coil of the material web of possibly considerable diameter, these are inevitably subject to deflection under their own weight, which is particularly the case with very slim winding shafts and a winding device with high performance and correspondingly high speed of the winding shaft causes unwanted bending vibrations occur. These bending vibrations cause quality problems during winding, since the winding shaft has multiple degrees of freedom and strongly deflects when such vibrations in their degrees of freedom. In this case, the contact roller easily loses contact with the coil forming on the winding shaft in the areas with high amplitude, so that in these areas the material web is wound up for a short time with a gap between the contact roller and the coil, with air between the individual layers of the material web Wrapped with, resulting in unusable, inhomogeneous and poor quality wound coils of material web entails.

Es ist daher bereits vorgeschlagen worden, die Wickelwelle im die größte Durchbiegung aufweisenden mittleren Bereich abzustützen, was jedoch technisch aufwändig ist und darüber hinaus nur bedingt möglich ist, da unterhalb der Wickelwelle und des sich bildenden Coils in der Regel nur wenig Platz für eine Abstützung zur Verfügung steht.It has therefore already been proposed to support the winding shaft in the central region having the greatest deflection, which however is technically complicated and, moreover, is only possible to a certain extent because there is generally only little space for support beneath the winding shaft and the forming coil Available.

Auch ist es bereits vorgeschlagen worden, die Wickelwelle im Bereich ihrer Wellenenden vierfach zu lagern, um die Durchbiegung zu vermindern, wozu beispielhaft auf die DE 198 55 781 A1 verwiesen wird. Hierdurch ist zwar eine gewisse Durchbiegungsverringerung und insoweit auch eine Erhöhung der kritischen Drehzahl einer Wickelwelle erzielbar, jedoch ist nach wie vor Raum für Verbesserungen gegeben.It has also been proposed to store the winding shaft four times in the region of its shaft ends in order to reduce the deflection, for example on the DE 198 55 781 A1 is referenced. As a result, although a certain deflection reduction and, to that extent, an increase in the critical speed of a winding shaft can be achieved, there is still room for improvement.

Die der Erfindung zugrunde liegende Aufgabe besteht daher darin, eine Wickeleinrichtung der eingangs genannten Art dahingehend weiterzubilden, dass die Durchbiegung in der Wickelwelle und das damit einhergehende Auftreten von Biegeschwingungen auf möglichst einfache Weise verhindert wird, wobei sich die erfindungsgemäße Ausgestaltung bevorzugt auch zur Nachrüstung an bereits vorhandenen Wickeleinrichtungen eignen soll.The object underlying the invention is therefore to develop a winding device of the type mentioned in such a way that the deflection in the winding shaft and the associated occurrence of bending vibrations is prevented in the simplest possible way, with the inventive design preferably also for retrofitting to already should be suitable existing winding devices.

Zur Lösung dieser Aufgabe wird erfindungsgemäß die Ausbildung einer Wickeleinrichtung gemäß den Merkmalen des Patentanspruches 1 vorgeschlagen.To solve this problem, the invention proposes the formation of a winding device according to the features of claim 1.

Vorteilhafte Ausgestaltungen und Weiterbildungen der erfindungsgemäßen Wickeleinrichtung sind Gegenstand der abhängigen Ansprüche.Advantageous embodiments and further developments of the winding device according to the invention are the subject of the dependent claims.

Die Erfindung sieht vor, mindestens zwei Stabilisierungswalzen in der erfindungsgemäßen Wickeleinrichtung einzusetzen, welche mittels einer Anschwenkeinrichtung auf der der Kontaktwalze gegenüberliegenden Seite der Wickelwelle an die Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils anlegbar sind und bei Nichtgebrauch mittels der Anschwenkeinrichtung von dieser abhebbar sind.The invention provides to use at least two stabilizing rollers in the winding device according to the invention, which by means of a Anschwenkeinrichtung on the contact roller opposite side of the winding shaft to the surface of the winding shaft or the coil forming thereon can be applied and are lifted off when not in use by the Anschwenkeinrichtung of this ,

Die auf der der Kontaktwalze gegenüberliegenden Seite der Wickelwelle an die Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils anlegbaren Stabilisierungswalzen nehmen der im Friktionsantrieb im Bereich einer Neun-Uhr-Stellung an der Kontaktwalze üblicherweise anliegenden Wickelwelle bzw. des darauf sich bildenden Coils die im Stand der Technik bislang unvermeidlichen Freiheitsgrade und unterbinden das Auftreten von Biegeschwingungen mit den eingangs geschilderten nachteiligen Wirkungen.The on the side opposite the contact roller side of the winding shaft to the surface of the winding shaft or the coils forming thereon stabilizing rollers take in the friction drive in the region of a nine o'clock position on the contact roller usually adjacent winding shaft or the coils forming thereon in the State of the art hitherto unavoidable degrees of freedom and prevent the occurrence of bending vibrations with the initially described adverse effects.

Da die Stabilisierungswalzen mittels der Anschwenkeinrichtung bei Bedarf an die Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils anlegbar sind und bei Nichtgebrauch mittels der Anschwenkeinrichtung von dieser abhebbar sind, behindern die Stabilisierungswalzen mitsamt ihrer Anschwenkeinrichtung den sonstigen Betrieb und die Bewegungsabläufe innerhalb der Wickeleinrichtung nicht, was insbesondere für die Durchführung von Wickelwellenwechsel beim Erreichen eines vorgegebenen Coildurchmessers auf der Wickelwelle von besonderem Vorteil ist.Since the stabilizing rollers by means of the Anschwenkeinrichtung can be applied to the surface of the winding shaft or the coil forming thereon and are lifted when not in use by means of the Anschwenkeinrichtung, the stabilizing rollers and their Anschwenkeinrichtung hinder the other operation and the movement within the winding device not which is particularly advantageous for the implementation of winding shaft change when reaching a predetermined coil diameter on the winding shaft.

So ist erfindungsgemäß vorgesehen, dass die Stabilisierungswalzen mittels der Anschwenkeinrichtung aus einer von der Wickelwelle entfernten Ruheposition, in der sie die Bewegungsabläufe innerhalb der Wickeleinrichtung nicht stören, in eine Arbeitsposition verschwenkbar sind, in der sie an der Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils anlegbar sind und umgekehrt z.B. bei einem Wickelwellenwechsel aus der Arbeitsposition in die Ruheposition verschwenkbar sind, um sodann ausreichenden Bewegungsspielraum für die übrigen Teile der Wickeleinrichtung zu schaffen.Thus, the invention provides that the stabilizing rollers by means of the Anschwenkeinrichtung from a retracted from the winding shaft rest position in which they do not interfere with the movement within the winding device, are pivotable into a working position in which they on the surface of the winding shaft or the forming thereon Coils can be applied and vice versa eg in a winding shaft change from the working position to the rest position are pivotable to then provide sufficient range of motion for the remaining parts of the winding device.

Nach einem Vorschlag der Erfindung sind die Stabilisierungswalzen mittels einer gemeinsamen Verschwenkeinrichtung verschwenkbar, so dass nur ein Antrieb für die Verschwenkeinrichtung benötigt wird.According to one proposal of the invention, the stabilizing rollers are pivotable by means of a common pivoting device, so that only one drive for the pivoting device is needed.

Es ist jedoch in gleicher Weise auch denkbar, jede Stabilisierungswalze mit einer eigenen Verschwenkeinrichtung und einem entsprechend eigenen Antrieb zu versehen, wenn dies im Rahmen der Einbausituation und Produktanforderung der konkreten Wickeleinrichtung gewünscht ist.However, it is also conceivable in the same way to provide each stabilizing roller with its own pivoting device and a corresponding own drive, if this is desired in the context of installation situation and product requirement of the specific winding device.

Um unabhängig von dem allmählich anwachsenden Durchmesser des sich auf der Wickelwelle bildenden Coils eine stets gleichmäßige Stabilisierungsfunktion der Stabilisierungswalzen und die damit einhergehende Unterbindung von Biegeschwingungen zu gewährleisten, ist vorgesehen, dass bei an die Oberfläche der Wickelwelle bzw. des darauf sich bildenden Coils angelegten Stabilisierungswalzen die Mittelachse einer ersten Stabilisierungswalze stets oberhalb und die Mittelachse der zweiten Stabilisierungswalze stets unterhalb der durch die Mittelachse der Kontaktwalze und der Wickelwelle verlaufenden Horizontalebene verläuft, so dass immer eine Dreipunktabstützung entsteht. Auf diese Weise nehmen die Stabilisierungswalzen in jedem Stadium des Aufwickelvorgangs auf der Wickelwelle dieser die Freiheitsgrade, die für das Auftreten von Qualitätsschwankungen im Wickelergebnis bislang verantwortlich gewesen sind.In order to ensure an always uniform stabilization function of the stabilizing rollers and the concomitant suppression of bending vibrations, irrespective of the gradually increasing diameter of the coils forming on the winding shaft, it is provided that stabilizing rollers are applied to the surface of the winding shaft or of the coils forming thereon Center axis of a first stabilizing roller always above and the center axis of the second stabilizing roller always below the running through the central axis of the contact roller and the winding shaft horizontal plane, so that always creates a three-point support. In this way, the stabilizing rollers at each stage of the winding process on the winding shaft this take the degrees of freedom that have been responsible for the occurrence of quality variations in the winding result so far.

Bevorzugt umfasst die Anschwenkeinrichtung einen von einem Andruckzylinder betätigten Schwenkhebel, an dessen einem Hebelarm der Andruckzylinder angreift und an dessen anderem Hebelarm die Stabilisierungswalzen befestigt sind. Hierdurch wird nicht nur ein einfacher Antrieb der Stabilisierungswalzen aus der Ruheposition in die Arbeitsposition und wieder zurück ermöglicht, sondern eine solche Anschwenkeinrichtung lässt sich in der Regel auch mit geringem Aufwand an bereits vorhandenen Wickeleinrichtungen nachrüsten bzw. in diese integrieren.The pivoting device preferably comprises a pivoting lever actuated by a pressure cylinder, on whose one lever arm the pressure cylinder engages and on whose other lever arm the stabilizing rollers are fastened. This not only allows a simple drive of the stabilizing rollers from the rest position to the working position and back, but such a pivoting usually can be retrofitted with little effort to existing winding devices or integrate into this.

Sofern die Stabilisierungswalzen an einem gemeinsamen Schwenkhebel einer Anschwenkeinrichtung befestigt sind, wird darüber hinaus vorgeschlagen, dass die Stabilisierungswalzen gelenkig mittels eines um ein Drehlager verschwenkbaren Gelenkarmes am Hebelarm befestigt sind, so dass sie sich stets gleichmäßig am Umfang der Wickelwelle bzw. des sich darauf ausbildenden Coils anlegen lassen.If the stabilizing rollers are fastened to a common pivoting lever of a pivoting device, it is also proposed that the stabilizing rollers are articulated to the lever arm by means of an articulated arm pivotable about a pivot bearing, so that they are always uniform on the circumference of the winding shaft or of the coil forming thereon let create.

Um eine besonders effektive Eliminierung der Freiheitsgrade zu bewirken und dem Auftreten von Biegeschwingungen auch bei hohen Wickelgeschwindigkeiten zuverlässig entgegenzuwirken, sind die Stabilisierungswalzen bevorzugt unter Erzeugung eines vorgebbaren Anpressdruckes an die Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils anlegbar, wobei ein Anpressdruck im Bereich von 10 bis 6.000 N als geeignet angesehen wird. Der jeweils konkret vorzunehmende Anpressdruck ist vom Fachmann im Rahmen der vorliegenden Anlagenkonfiguration zu ermitteln.In order to effect a particularly effective elimination of the degrees of freedom and reliably counteract the occurrence of bending vibrations even at high winding speeds, the stabilizing rollers are preferably applied to the surface of the winding shaft or the coil forming thereon to produce a predeterminable contact pressure, wherein a contact pressure in the range of 10 to 6,000 N is considered suitable. The respective concrete contact pressure to be determined by the expert in the context of the present system configuration.

Bei Bedarf kann der Anpressdruck beispielsweise mittels in den Stabilisierungswalzen angeordneter Druckmesseinrichtungen gemessen werden, um einen Regelkreis für den Anpressdruck in die Steuerung der Wickeleinrichtung zu integrieren.If necessary, the contact pressure can be measured, for example, by means of pressure measuring devices arranged in the stabilizing rollers in order to integrate a control circuit for the contact pressure into the control of the winding device.

Der Anpressdruck kann von dem auf den Schwenkhebel einwirkenden Andruckzylinder ausgeübt werden, der beispielsweise als Pneumatik- oder Hydraulikzylinder ausgeführt sein kann. Mit besonderem Vorteil können hierbei beide Seiten des Kolbens des Andruckzylinders mit regelbarem Druck beaufschlagt werden, so dass die Federeigenschaften des den Schwenkhebel abfedernden Andruckzylinders beeinflusst werden können. Wird der Andruckzylinder mit geringem bis gar keinem Gegendruck auf den Kolben beaufschlagt, lassen sich weiche Federungseigenschaften erzielen, die beispielsweise für die Aufwicklung stumpfer Folien von Vorteil sind. Wird jedoch der Kolben des Andruckzylinders bei Ausübung eines vorgebbaren Anpressdruckes an die Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils gleichzeitig mit einem Gegendruck von beispielsweise 2 bar betrieben, stellt sich eine harte Federeigenschaft des Andruckzylinders ein, was insbesondere bei der Aufwicklung sehr glatter Folien von Vorteil ist.The contact pressure can be exerted by the pressure acting on the pivot lever pressure cylinder, which can be configured for example as a pneumatic or hydraulic cylinder. With particular advantage, in this case both sides of the piston of the pressure cylinder can be subjected to controllable pressure, so that the spring properties of the swivel lever cushioning Andruckzylinders can be influenced. If the pressure cylinder is subjected to little or no counter pressure on the piston, soft suspension properties can be achieved, which are advantageous, for example, for winding blunt films. However, if the piston of the pressure cylinder is operated simultaneously with a back pressure of, for example, 2 bar when a predeterminable contact pressure is exerted against the surface of the winding shaft or the coil forming thereon, a hard spring characteristic is produced the Andruckzylinders, which is particularly advantageous when winding very smooth films.

Weiterhin kann vorgesehen sein, dass die Stabilisierungswalzen eine auf den Außenumfang derselben aufgebrachte Beschichtung mit mindestens zwei Schichten aufweisen, wobei die innere Schicht elastisch mit einer geringeren Härte als die äußere Schicht ausgebildet ist, damit sich die Stabilisierungswalzen gleichmäßig und schwingungsdämpfend an die Oberfläche der Wickelwelle bzw. des sich darauf bildenden Coils anlegen lassen, auch wenn dieser einer Durchbiegung unterliegt.Furthermore, it can be provided that the stabilizing rollers have a coating applied to the outer periphery thereof with at least two layers, wherein the inner layer is elastically formed with a lower hardness than the outer layer, so that the stabilizing rollers uniformly and vibration damping to the surface of the winding shaft or of the coil forming thereon, even if it is subject to a deflection.

Derartige Beschichtungen können beispielsweise auf Basis entsprechend eingestellter Gummierungen von Natur- oder Synthesekautschuksubstraten gebildet werden, wobei weiter bevorzugt die innere Schicht eine Shore-Härte A von 2 bis 30 und die äußere Schicht eine Shore-Härte A von 40 bis 90 aufweist.Such coatings can be formed, for example, based on appropriately adjusted gummings of natural or synthetic rubber substrates, wherein more preferably the inner layer has a Shore A hardness of 2 to 30 and the outer layer has a Shore A hardness of 40 to 90.

Weitere Ausgestaltungen und Einzelheiten der Erfindung werden nachfolgend anhand von Ausführungsbeispielen in der Zeichnung erläutert. Es zeigen:

Figur 1
in schematisierter Darstellung eine erfindungsgemäße Wickeleinrichtung kurz nach Beginn der Aufwicklung auf einer Wickelwelle
Figur 2
die Wickeleinrichtung gem. Figur 1 kurz vor Beendigung der Aufwicklung auf der Wickelwelle
Figur 3
die Anschwenkeinrichtung der erfindungsgemäßen Wickeleinrichtung in weiteren Details
Figur 4
eine Wickeleinrichtung nach dem Stand der Technik.
Further embodiments and details of the invention are explained below with reference to embodiments in the drawing. Show it:
FIG. 1
in a schematic representation of a winding device according to the invention shortly after the start of winding on a winding shaft
FIG. 2
the winding device acc. FIG. 1 just before the end of winding on the winding shaft
FIG. 3
the pivoting device of the winding device according to the invention in further details
FIG. 4
a winding device according to the prior art.

In der Figur 4 ist eine Wickeleinrichtung zur Aufwicklung einer kontinuierlich zulaufenden Materialbahn 4, etwa einer Kunststofffolienbahn, auf eine Wickelwelle 3 unter Ausbildung eines Coils 40 der Materialbahn 4 auf der Wickelwelle 3 nach dem Stand der Technik dargestellt.In the FIG. 4 is a winding device for winding a continuous material web 4, such as a plastic film web, on a winding shaft 3 to form a coil 40 of the material web 4 on the winding shaft 3 according to the prior art.

Die Materialbahn 4 läuft in der mit Pfeil dargestellten Richtung zunächst über eine Umlenkwalze 10 auf eine Kontaktwalze 1, die beispielsweise mit einem Drehantrieb versehen ist und drehbar innerhalb eines feststehenden Maschinengestells 2 gelagert ist. Nachdem die Materialbahn 4 über einen Teilumfangsbereich der sich drehenden Kontaktwalze 1 geführt worden ist, wird sie an eine Wickelwelle 3 übergeben, die sich im Friktionsbetrieb am Umfang der Kontaktwalze 1 befindet und auf der sich auf einer über die Wickelwelle 3 aufgeschobenen Papphülse 30 ein Coil 40 der aufgewickelten Materialbahn 4 von allmählich anwachsendem Durchmesser ausbildet.The material web 4 runs in the direction shown by arrow first via a guide roller 10 on a contact roller 1, which is provided for example with a rotary drive and is rotatably mounted within a fixed machine frame 2. After the material web 4 has been guided over a partial circumferential region of the rotating contact roller 1, it is transferred to a winding shaft 3, which is located in the friction operation on the circumference of the contact roller 1 and on which on a pushed over the winding shaft 3 cardboard tube 30, a coil 40th the wound material web 4 of gradually increasing diameter forms.

Charakteristisch für derartige so genannte Kontaktwalzenwickler ist es, dass die Wickelwelle 3 in ihrer der Aufwicklung dienenden Position gemäß Darstellung in der Figur 4 bezogen auf die Kontaktwalze 1 in einer etwa Neun-Uhr-Position, d.h. auf einer etwa horizontalen Ebene zur Kontaktwalze 1 befindet, wobei sie jedoch insbesondere bei ansteigendem Durchmesser des sich bildenden Coils 40 ein beträchtliches Eigengewicht erreicht und demzufolge einer starken Durchbiegung in Pfeilrichtung D unterworfen ist.Characteristic of such so-called contact roller winder is that the winding shaft 3 in its winding position serving as shown in the FIG. 4 relative to the contact roller 1 in an approximately nine o'clock position, that is, on an approximately horizontal plane to the contact roller 1, but it reaches a considerable weight in particular with increasing diameter of the forming coil 40 and consequently subjected to a strong deflection in the direction of arrow D. is.

Diese Durchbiegung D ruft insbesondere bei sehr schlanken, d.h. geringen Durchmesser aufweisenden Wickelwellen 3 und gleichzeitig sehr hoher Leistung der Wickeleinrichtung mit damit einhergehender hoher Drehzahl der Wickelwelle 3 Biegeschwingungen hervor, die die Wickelwelle 3 veranlassen, entlang ihrer drei Freiheitsgrade, nämlich in und.entgegen Pfeilrichtung D vertikal nach unten und oben sowie in Pfeilrichtung A horizontal von der Kontaktwalze 1 weg schwingungsbedingt auszulenken, wodurch es sehr leicht zu einer Spaltbildung zwischen dem Coil 40 und der Oberfläche der Kontaktwalze 1 und nachfolgendem Lufteinschluss in dem sich bildenden Coil 40 auf der Wickelwelle 3 kommt, was die Wickelqualität negativ beeinflusst.This deflection D causes, in particular, very slender, i. having small diameter winding shafts 3 and at the same time very high performance of the winding device with concomitant high speed of the winding shaft 3 bending vibrations, which cause the winding shaft 3, along its three degrees of freedom, namely in und.entgegen arrow D vertically up and down and in the direction of arrow A deflect horizontally away from the contact roller 1 due to vibration, which is very easy to form a gap between the coil 40 and the surface of the contact roller 1 and subsequent air entrapment in the forming coil 40 on the winding shaft 3, which adversely affects the winding quality.

Um diesem Problem zu begegnen, ist die in den Figuren 1 bis 3 in näheren Einzelheiten dargestellte Wickeleinrichtung, bei der gleiche Teile zu der Darstellung gemäß Figur 4 mit gleichen Bezugsziffern versehen sind und zur Vermeidung von Wiederholungen nachfolgend nicht nochmals gesondert erläutert werden, sofern dies nicht für das Verständnis der Erfindung notwendig ist, zusätzlich mit einem Paar von Stabilisierungswalzen 5a, 5b versehen, die wie die Kontaktwalze 1 an der Oberfläche der Wickelwelle 3 bzw. des sich darauf ausbildenden Coils 40 der Materialbahn 4 anlegbar sind. Die Stabilisierungswalzen liegen hierbei in Bezug auf die Wickelwelle 3 der Kontaktwalze 1 gegenüber.To counter this problem, is in the FIGS. 1 to 3 Winder shown in more detail in the same parts to the representation according to FIG. 4 are provided with the same reference numerals and will not be explained again separately to avoid repetition, unless this is necessary for understanding the invention, additionally provided with a pair of stabilizing rollers 5a, 5b, like the contact roller 1 on the surface of the winding shaft. 3 or of the coils 40 of the material web 4 forming thereon can be applied. The stabilizing rollers are in this case with respect to the winding shaft 3 of the contact roller 1 with respect.

Es wird eine anhand der Figur 3 nachfolgend noch näher erläuterte Verschwenkeinrichtung 6 mit einem Antriebs- und Andruckzylinder 60 verwendet, mit dessen Hilfe die beiden Stabilisierungswalzen 5a, 5b aus einer Ruheposition fern der Wickelwelle 3 in die in der Figur 1 dargestellte Arbeitsposition verschwenkbar sind, in der sie an der Oberfläche des sich bildenden Coils 40 auf der Wickelwelle 3 abrollen.It will be one on the basis of FIG. 3 used in the following in more detail pivoting device 6 with a drive and pressure cylinder 60, by means of which the two stabilizing rollers 5a, 5b from a rest position remote from the winding shaft 3 in the in the FIG. 1 shown work position are pivotable in which they roll on the surface of the forming coil 40 on the winding shaft 3.

Durch die Verschwenkbarkeit ist gewährleistet, dass die Stabilisierungswalzen 5a, 5b beispielsweise bei einem Wechsel der vollständig bewickelten Wickelwelle 3 die damit einhergehenden Bewegungsabläufe nicht stören, jedoch unmittelbar beim Anwickeln einer neuen Wickelwelle 3 mit den ersten Umdrehungen eines sich ausbildenden Coils 40 an dessen Oberfläche angelegt werden können und beim nachfolgend stattfindenden Durchmesserwachstum des Coils 40 dieser Kontakt zur Oberfläche desselben dauerhaft bestehen bleibt.Due to the pivoting is ensured that the stabilizing rollers 5a, 5b, for example, when changing the fully wound winding shaft 3 do not interfere with the associated movements, however, are applied directly when winding a new winding shaft 3 with the first turns of a forming coil 40 on the surface can and in the subsequent occurring diameter growth of the coil 40 of this contact with the surface of the same persists.

Die Anordnung der Stabilisierungswalzen 5a, 5b ist so gewählt, dass die Mittelachse M1 der Stabilisierungswalze 5a oberhalb der durch die Mittelachse der Wickelwelle 3 und der Kontaktwalze 1 verlaufenden Horizontalebene H zum Liegen kommt, während die Mittelachse M2 der weiteren Stabilisierungswalze 5b unterhalb der Horizontalebene H verläuft.The arrangement of the stabilizing rollers 5a, 5b is selected such that the central axis M1 of the stabilizing roller 5a comes to rest above the horizontal plane H passing through the center axis of the winding shaft 3 and the contact roller 1, while the center axis M2 of the further stabilizing roller 5b extends below the horizontal plane H. ,

Wie sich aus einer vergleichenden Betrachtung der Figur 1 bei gerade angewickelter Wickelwelle 3 sowie der Figur 2 mit sich seinem Maximaldurchmesser nähernden Coil 40 auf der Wickelwelle 3 ergibt, sind die Stabilisierungswalzen 5a, 5b mit ihren jeweiligen Mittelachsen M1, M2 auch beim Erreichen des maximalen Coildurchmessers in Bezug auf die Horizontalebene H noch in dieser Anordnung, d.h. die Mittelachse M1 der Stabilisierungswalze 5a befindet sich stets oberhalb der Horizontalebene E, während sich die Mittelachse M2 der Stabilisierungswalze 5b stets unterhalb der Horizontalebene H befindet.As can be seen from a comparative analysis of the FIG. 1 at just wound winding shaft 3 and the FIG. 2 with its maximum diameter approaching coil 40 results on the winding shaft 3, the stabilizing rollers 5a, 5b with their respective center axes M1, M2 even when reaching the maximum coil diameter with respect to the horizontal plane H still in this Arrangement, ie the center axis M1 of the stabilizing roller 5a is always located above the horizontal plane E, while the center axis M2 of the stabilizing roller 5b is always below the horizontal plane H.

In ihrer an den Umfang des sich bildenden Coils 40 auf der Wickelwelle 3 angelegten Arbeitsposition gem. Figuren 1 und 2 nehmen die Stabilisierungswalzen 5a, 5b der Wickelwelle 3 und dem sich darauf bildenden Coil 40 die beim Stand der Technik gemäß Figur 4 unvermeidlich vorhandenen Freiheitsgrade, die beim Auftreten von Biegeschwingungen zu dem unerwünschten Kontaktverlust zwischen dem Coil 40 und der Kontaktwalze 1 führten. Demzufolge wird bei Verwendung der Stabilisierungswalzen 5a, 5b dem Auftreten von Biegeschwingungen effektiv entgegengewirkt und das Wickelergebnis bedeutend verbessert.In its applied to the circumference of the forming coil 40 on the winding shaft 3 working position acc. Figures 1 and 2 Take the stabilizing rollers 5a, 5b of the winding shaft 3 and the forming thereon coil 40 according to the prior art according to FIG. 4 unavoidable degrees of freedom that led to the occurrence of bending vibrations to the unwanted loss of contact between the coil 40 and the contact roller 1. Accordingly, when using the stabilizing rollers 5a, 5b, the occurrence of bending vibration is effectively counteracted and the winding result is significantly improved.

Es versteht sich, dass darüber hinaus auch weitere Maßnahmen unterstützend angewandt werden können, insbesondere kann die Wickelwelle 3 in beispielsweise aus der DE 198 55 781 A1 bekannten Weise vierfach an ihren Wellenenden gelagert sein, um die Durchbiegung weiter zu minimieren.It is understood that, in addition, further measures can be used to support, in particular, the winding shaft 3 in, for example, from the DE 198 55 781 A1 be known manner four times stored at their shaft ends to further minimize the deflection.

Eine weitere Steigerung der Wirksamkeit der beiden Stabilisierungswalzen 5a, 5b wird dadurch erreicht, dass über den Andruckzylinder 60 der Verschwenkeinrichtung 6 ein vorgebbarer und definierter Anpressdruck der Stabilisierungswalzen 5a, 5b auf die Oberfläche der Wickelwelle 3 bzw. des sich darauf bildenden Coils 40 entgegen des von der Kontaktwalze 1 ausgeübten Druckes ausgeübt wird. Ein solcher Anpressdruck liegt vorteilhaft im Bereich zwischen 10 und 6.000 N, ist über die Steuerung des Andruckzylinders 60 entsprechend einstellbar und kann wahlweise auch über Druckmesseinrichtungen, z.B. Druckmessdosen in den Stabilisierungswalzen 5a, 5b im Rahmen einer automatisierten Steuerung gemessen und geregelt werden.A further increase in the effectiveness of the two stabilizing rollers 5a, 5b is achieved in that over the pressure cylinder 60 of the pivoting device 6 a specifiable and defined contact pressure of the stabilizing rollers 5a, 5b on the surface of the winding shaft 3 and the coil 40 forming thereon against the the contact roller 1 exerted pressure is applied. Such a contact pressure is advantageously in the range between 10 and 6,000 N, is suitably adjustable via the control of the pressure cylinder 60 and can optionally also be provided by pressure measuring devices, e.g. Pressure measuring cans in the stabilizing rollers 5a, 5b are measured and controlled as part of an automated control.

Die Verschwenkeinrichtung 6 zum Anlegen der Stabilisierungswalzen 5a, 5b an die Oberfläche der Wickelwelle 3 bzw. des sich darauf bildenden Coils 40 ist in der Figur 3 in näheren Einzelheiten dargestellt.The pivoting device 6 for applying the stabilizing rollers 5a, 5b to the surface of the winding shaft 3 or of the coil 40 forming thereon is in the FIG. 3 shown in more detail.

Neben dem bereits erläuterten Andruckzylinder 60 sind die beiden Stabilisierungswalzen 5a, 5b an einem Schwenkhebel 61 befestigt, der über ein Drehgelenk 611 an dem ortsfesten Maschinengestell 2 befestigt und um das Drehgelenk 611 verschwenkbar ist. Hierbei greift der Andruckzylinder 60 an einem ersten Hebelarm 610 des Schwenkhebels 61 an, während die beiden Stabilisierungswalzen 5a, 5b am zweiten Hebelarm 612 des Schwenkhebels 61 befestigt sind.In addition to the already described pressure cylinder 60, the two stabilizing rollers 5a, 5b attached to a pivot lever 61 which is attached via a rotary joint 611 to the stationary machine frame 2 and about the pivot 611 is pivotable. Here, the pressure cylinder 60 engages a first lever arm 610 of the pivot lever 61, while the two stabilizing rollers 5a, 5b are attached to the second lever arm 612 of the pivot lever 61.

Die Befestigung der beiden Stabilisierungswalzen 5a, 5b am zweiten Hebelarm 612 erfolgt hierbei jedoch nicht unmittelbar, sondern über ein weiteres Drehlager 63 und einen darauf drehbar gelagerten Gelenkarm 62, der eine etwa V-förmige Konfiguration aufweist und an seinen beiden Enden jeweils eine Stabilisierungswalze 5a bzw. 5b drehbar lagert.The attachment of the two stabilizing rollers 5a, 5b on the second lever arm 612 takes place here but not directly, but via a further pivot bearing 63 and a rotatably mounted thereon articulated arm 62 which has an approximately V-shaped configuration and at its two ends in each case a stabilizing roller 5a and 5b rotatably supports.

Es versteht sich, dass die aus der Figur 3 ersichtliche Verschwenkeinrichtung spiegelbildlich auch an der hier nicht dargestellten anderen Seite und dem entsprechend zweiten Ende der Stabilisierungswalzen 5a, 5b vorgesehen ist.It is understood that the from the FIG. 3 apparent pivoting mirror image also on the other side not shown here and the corresponding second end of the stabilizing rollers 5a, 5b is provided.

Die gelenkige Lagerung und Befestigung der Stabilisierungswalzen 5a, 5b über den Gelenkarm 62 und das Drehlager 63 am zweiten Hebelarm 612 gewährleistet eine gleichmäßige und optimale Anlage beider Stabilisierungswalzen 5a, 5b unabhängig vom tatsächlich vorherrschenden Durchmesser des sich auf der Wickelwelle 3 ausbildenden Coils.The articulated mounting and attachment of the stabilizing rollers 5a, 5b via the articulated arm 62 and the pivot bearing 63 on the second lever arm 612 ensures a uniform and optimal installation of both stabilizing rollers 5a, 5b regardless of the actual prevailing diameter of the forming on the winding shaft 3 coil.

Die Darstellung der Figur 3 mit vollständig eingezogenem Kolben des Andruckzylinders 60 zeigt die Arbeitsposition der Stabilisierungswalzen, während bei vollständigem Ausfahren des Kolbens des Andruckzylinders 60 die beiden Andruckwalzen 5a, 5b im Uhrzeigersinn um das Drehgelenk 611 verschwenkt werden, so dass sie in eine Ruheposition gelangen, in der sie die weitere Bewegung von Teilen der Wickeleinrichtung, etwa im Zuge eines Wickelwellenwechsels nicht behindern.The presentation of the FIG. 3 with completely retracted piston of Andruckzylinders 60 shows the working position of the stabilizing rollers, while fully extending the piston of Andruckzylinders 60, the two pressure rollers 5a, 5b are pivoted clockwise about the pivot 611 so that they enter a rest position in which they the other Movement of parts of the winding device, not hinder in the course of a winding shaft change.

Über den Andruckzylinder 60 kann in Arbeitsposition darüber hinaus auch ein einstellbarer Anpressdruck auf die Stabilisierungswalzen 5a, 5b und damit auf den daran anliegenden Coil 40 auf der Wickelwelle 3 ausgeübt werden, wobei auch vorgesehen sein kann, den Kolben des Andruckzylinders 60 beidseits mit einstellbarem Druck zu beaufschlagen, um dessen Federcharakteristik zu beeinflussen, wie vorangehend bereits erläutert wurde.In addition, an adjustable contact pressure on the stabilizing rollers 5a, 5b and thus on the pressure cylinder 60 in working position the coil 40 resting against it can be exerted on the winding shaft 3, it also being possible to provide the piston of the pressure cylinder 60 on both sides with an adjustable pressure in order to influence its spring characteristic, as has already been explained above.

Schließlich erkennt man in der Darstellung gemäß Figur 3 noch, dass die beiden Stabilisierungswalzen 5a, 5b ausgehend von einem beispielsweise metallischen Kern 50 eine zweischichtige Beschichtung mit einer inneren Schicht 51 und einer äußeren Schicht 52 aufweisen, wobei letztere zugleich den Außenumfang der Stabilisierungswalzen 5a, 5b ausbildet. Diese beiden Beschichtungen 51, 52 können beispielsweise aus Gummierungen auf Basis von Natur- oder Synthesekautschuk ausgewählt sein, wobei die innere Schicht 51 eine geringere Shore-Härte A von etwa 2 bis 30 und die äußere Schicht 52 eine demgegenüber größere Shore-Härte A von etwa 40 bis 90 aufweist, wodurch eine besonders schonende Behandlung des am Außenumfang der Außenschicht 52 ablaufenden Coils 40 gewährleistet wird. Die innere Schicht 51 kann auch geschäumt ausgebildet sein, so dass Gasblasen eingeschlossen sind, die zusätzlich eine besonders gute schwingungsdämpfende Eigenschaft aufweisen.Finally one recognizes in the representation according to FIG. 3 nor that the two stabilizing rollers 5a, 5b starting from an example metallic core 50 have a two-layer coating with an inner layer 51 and an outer layer 52, the latter at the same time forms the outer periphery of the stabilizing rollers 5a, 5b. These two coatings 51, 52 may be selected, for example, from rubbers based on natural or synthetic rubber, wherein the inner layer 51 has a lower Shore A hardness of about 2 to 30 and the outer layer 52 a relatively higher Shore A hardness of about 40 to 90, whereby a particularly gentle treatment of the running on the outer circumference of the outer layer 52 coil 40 is ensured. The inner layer 51 may also be foamed, so that gas bubbles are included, which additionally have a particularly good vibration damping property.

Es versteht sich, dass im Rahmen der Erfindung auch von den Zeichnungen abweichende Ausgestaltungen der Wickeleinrichtung vorgesehen sein können.It is understood that within the scope of the invention, embodiments of the winding device deviating from the drawings may also be provided.

So ist es beispielsweise denkbar, die Stabilisierungswalzen 5a, 5b nicht nur drehbar zu lagern, sondern darüber hinaus auch mit einem eigenen Drehantrieb zu versehen, der im Rahmen der Steuerung der Wickeleinrichtung mit der Drehzahl der Wickelwelle 3 bzw. des sich darauf ausbildenden Coils 40 synchronisiert wird. Auf diese Weise kann der Wickelzug der zu dem Coil 40 aufgewickelten Materialbahn 4 vergleichmäßigt werden und auch beim Anwickeln einer neuen Wickelwelle 3 auf den ersten Umdrehungen derselben eine Vorbeschleunigung bewirkt werden, um das Wickelergebnis weiter zu verbessern.Thus, it is conceivable, for example, not only to support the stabilizing rollers 5a, 5b rotatably, but also to provide them with their own rotary drive, which synchronizes with the rotational speed of the winding shaft 3 or of the coil 40 forming thereon as part of the control of the winding device becomes. In this way, the winding tension of the wound up to the coil 40 web 4 can be made uniform and even when Anwickeln a new winding shaft 3 on the first revolutions thereof, a pre-acceleration can be effected to further improve the winding result.

Darüber hinaus ist es auch möglich, anstelle der in den Zeichnungen dargestellten gemeinsamen Halterung beider Stabilisierungswalzen 5a, 5b an nur einer Verschwenkeinrichtung 6 auch jede einzelne Stabilisierungswalze 5a bzw. 5b mit einer eigenen Verschwenkeinrichtung zu versehen. Beispielsweise könnte die Stabilisierungswalze 5a mittels eines ähnlich wie im Beispiel gemäß Figur 3 angeordneten Schwenkhebels 61 aus einer oberen Ruheposition in eine untere Arbeitsposition verschwenkt werden und die unterhalb positionierte weitere Stabilisierungswalze 5b aus einer unteren Ruheposition in eine obere Arbeitsposition mittels eines eigenen in etwa spiegelsymmetrisch zur Horizontalen ausgebildeten Konfiguration verschwenkt werden oder aber es werden lineare Bewegungen aus der Ruheposition in die Arbeitsposition und wieder zurück vorgesehen, die von entsprechend ausgebildeten Verschwenkeinrichtungen vollzogen werden.Moreover, it is also possible, instead of the common support of both stabilizing rollers 5a, 5b shown in the drawings, to use only one pivoting device 6 and also each individual stabilizing roller 5a or 5b to be provided with its own pivoting device. For example, the stabilizing roller 5a could by means of a similar as in Example FIG. 3 arranged pivot lever 61 are pivoted from an upper rest position to a lower working position and the positioned below further stabilizing roller 5 b are pivoted from a lower rest position to an upper working position by means of its own formed approximately mirror-symmetrical to the horizontal configuration or linear movements are from the rest position in provided the working position and back again, which are performed by appropriately trained Verschwenkeinrichtungen.

Claims (13)

Wickeleinrichtung zur Aufwicklung einer kontinuierlich zulaufenden Materialbahn (4) auf eine Wickelwelle (3) unter Ausbildung eines Coils (40) der Materialbahn (4) auf der Wickelwelle (3), wobei eine drehbar in der Wickeleinrichtung gelagerte Kontaktwalze (1) vorgesehen ist, über die die aufzuwickelnde Materialbahn (4) führbar und von dieser an die Wickelwelle (3) bzw. den sich darauf bildenden Coil (40) abgebbar ist, dadurch gekennzeichnet, dass mindestens zwei Stabilisierungswalzen (5a, 5b) vorgesehen sind, welche mit einer Anschwenkeinrichtung (6) auf der der Kontaktwalze (1) gegenüberliegenden Seite der Wickelwelle (3) an die Oberfläche der Wickelwelle (3) bzw. des sich darauf bildenden Coils (40) anlegbar sind und bei Nichtgebrauch mittels der Anschwenkeinrichtung (6) von dieser abhebbar sind.Winding device for winding a continuous material web (4) on a winding shaft (3) to form a coil (40) of the material web (4) on the winding shaft (3), wherein a rotatably mounted in the winding device contact roller (1) is provided via the material web (4) to be wound up can be guided and can be delivered therefrom to the winding shaft (3) or the coil (40) forming thereon, characterized in that at least two stabilizing rollers (5a, 5b) are provided, which are provided with a pivoting device ( 6) on the contact roller (1) opposite side of the winding shaft (3) to the surface of the winding shaft (3) or the coil forming thereon (40) can be applied and when not in use by the pivoting device (6) are lifted from this. Wickeleinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Stabilisierungswalzen (5a, 5b) mittels der Anschwenkeinrichtung (6) aus einer von der Wickelwelle (3) entfernten Ruheposition in eine Arbeitsposition verschwenkbar sind, in der sie an der Oberfläche der Wickelwelle (3) bzw. des sich darauf bildenden Coils (40) anlegbar und umgekehrt aus der Arbeitsposition in die Ruheposition verschwenkbar sind.Winding device according to claim 1, characterized in that the stabilizing rollers (5a, 5b) by means of the pivoting device (6) from a rest position remote from the winding shaft (3) are pivotable into a working position in which they on the surface of the winding shaft (3) or of the coils (40) forming thereon and, vice versa, being able to be pivoted from the working position into the rest position. Wickeleinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Stabilisierungswalzen (5a, 5b) mittels einer gemeinsamen Verschwenkeinrichtung (6) verschwenkbar sind.Winding device according to one of claims 1 or 2, characterized in that the stabilizing rollers (5a, 5b) by means of a common pivoting device (6) are pivotable. Wickeleinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Stabilisierungswalzen (5a, 5b) jeweils eine eigene Verschwenkeinrichtung (6) aufweisen.Winding device according to one of claims 1 or 2, characterized in that the stabilizing rollers (5a, 5b) each have their own pivoting device (6). Wickeleinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass bei an die Oberfläche der Wickelwelle (3) bzw. des sich darauf bildenden Coils (40) angelegten Stabilisierungswalzen (5a, 5b) die Mittelachse (M1) einer ersten Stabilisierungswalze (5a) stets oberhalb und die Mittelachse (M2) der zweiten Stabilisierungswalze (5b) stets unterhalb der durch die Mittelachse der Wickelwelle (3) verlaufenden Horizontalebene (H) verläuft.Winding device according to one of claims 1 to 4, characterized in that at the surface of the winding shaft (3) or of the coils (40) forming stabilizing rollers (5a, 5b), the central axis (M1) of a first stabilizing roller (5a) always above and the center axis (M2) of the second stabilizing roller (5b) is always below the through the central axis of the winding shaft (3) extending horizontal plane (H). Wickeleinrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Anschwenkeinrichtung einen von einem Andruckzylinder (60) betätigten Schwenkhebel (61) umfasst, an dessen einem Hebelarm (610) der Andruckzylinder (60) angreift und an dessen anderen Hebelarm (612) die Stabilisierungswalzen (5a, 5b) befestigt sind.Winding device according to one of claims 1 to 5, characterized in that the Anschwenkeinrichtung one of a pressure cylinder (60) actuated pivot lever (61), at one lever arm (610) of the pressure cylinder (60) engages and on the other lever arm (612) the stabilizing rollers (5a, 5b) are attached. Wickeleinrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Stabilisierungswalzen (5a, 5b) gelenkig mittels eines um ein Drehlager (63) verschwenkbaren Gelenkarmes (62) am Hebelarm (612) befestigt sind.Winding device according to claim 6, characterized in that the stabilizing rollers (5a, 5b) are articulated by means of a about a pivot bearing (63) pivotable articulated arm (62) on the lever arm (612) are attached. Wickeleinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Stabilisierungswalzen (5a, 5b) unter Erzeugung eines vorgebbaren Anpressdruckes an die Oberfläche der Wickelwelle (3) bzw. des sich darauf bildenden Coils (40) anlegbar sind.Winding device according to one of claims 1 to 7, characterized in that the stabilizing rollers (5a, 5b) can be applied to generate a predeterminable contact pressure against the surface of the winding shaft (3) or of the coil (40) forming thereon. Wickeleinrichtung nach Anspruch 8, dadurch gekennzeichnet, dass ein Anpressdruck von 10 bis 6.000 N einstellbar ist.Winding device according to claim 8, characterized in that a contact pressure of 10 to 6,000 N is adjustable. Wickeleinrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der Anpressdruck mittels in den Stabilisierungswalzen (5a, 5b) angeordneter Druckmesseinrichtungen messbar ist.Winding device according to claim 8 or 9, characterized in that the contact pressure by means in the stabilizing rollers (5a, 5b) arranged pressure measuring means is measurable. Wickeleinrichtung nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, dass der Andruckzylinder (60) auf beiden Seiten seines Kolbens mit Druck beaufschlagbar ist.Winding device according to one of claims 6 to 10, characterized in that the pressure cylinder (60) can be acted upon on both sides of its piston with pressure. Wickeleinrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Stabilisierungswalzen (5a, 5b) eine auf den Außenumfang derselben aufgebrachte Beschichtung mit mindestens zwei Schichten (51, 52) aufweisen, wobei die innere Schicht (51) elastisch mit einer geringeren Härte als die äußere Schicht (52) ausgebildet ist.Winding device according to one of claims 1 to 11, characterized in that the stabilizing rollers (5a, 5b) have a coating applied to the outer periphery of the same having at least two layers (51, 52), wherein the inner layer (51) elastic with a lower hardness as the outer layer (52) is formed. Wickeleinrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die innere Schicht (51) eine Shore-Härte (A) von 5 bis 30 und die äußere Schicht (52) eine Shore-Härte (A) von 40 bis 90 aufweist.Winding device according to claim 12, characterized in that the inner layer (51) has a Shore hardness (A) of 5 to 30 and the outer layer (52) has a Shore hardness (A) of 40 to 90.
EP20070002023 2007-01-18 2007-01-31 Winding apparatus Not-in-force EP1947042B1 (en)

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EP20070002023 EP1947042B1 (en) 2007-01-18 2007-01-31 Winding apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148443A (en) * 2014-07-31 2014-11-19 中国重型机械研究院股份公司 Vibration reduction system of coiler for trimmings

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
ITMI20131579A1 (en) 2013-09-25 2015-03-26 Colines Spa ACCOMPANYING SPRAYING UNIT IN A PLASTIC FILM WINDING MACHINE

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Publication number Priority date Publication date Assignee Title
DE2018494A1 (en) * 1970-04-17 1971-11-04 Jagenberg Werke Ag Method and device for winding on paper or other work pieces of material with the help of a roll cutting and wrapping machine
DE3610368A1 (en) * 1985-04-04 1986-10-23 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Winding machine having an articulated tracer roller
DE4213712C2 (en) 1992-04-25 1995-03-09 Reifenhaeuser Masch Contact honeycomb winding machine for right and left turning winding of a sheet-shaped plastic film
DE19855781A1 (en) 1998-12-03 2000-06-15 Reifenhaeuser Masch Winding device
EP1260470A2 (en) * 2001-05-23 2002-11-27 Voith Paper Jagenberg GmbH Method and device for active dampening of vibrations in winding machines
EP1757546A2 (en) 2005-08-19 2007-02-28 Voith Patent GmbH Winding machine with bearing rollers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2018494A1 (en) * 1970-04-17 1971-11-04 Jagenberg Werke Ag Method and device for winding on paper or other work pieces of material with the help of a roll cutting and wrapping machine
DE3610368A1 (en) * 1985-04-04 1986-10-23 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Winding machine having an articulated tracer roller
DE4213712C2 (en) 1992-04-25 1995-03-09 Reifenhaeuser Masch Contact honeycomb winding machine for right and left turning winding of a sheet-shaped plastic film
DE19855781A1 (en) 1998-12-03 2000-06-15 Reifenhaeuser Masch Winding device
EP1260470A2 (en) * 2001-05-23 2002-11-27 Voith Paper Jagenberg GmbH Method and device for active dampening of vibrations in winding machines
EP1757546A2 (en) 2005-08-19 2007-02-28 Voith Patent GmbH Winding machine with bearing rollers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148443A (en) * 2014-07-31 2014-11-19 中国重型机械研究院股份公司 Vibration reduction system of coiler for trimmings

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