EP1947042B1 - Machine d'enroulement - Google Patents

Machine d'enroulement Download PDF

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Publication number
EP1947042B1
EP1947042B1 EP20070002023 EP07002023A EP1947042B1 EP 1947042 B1 EP1947042 B1 EP 1947042B1 EP 20070002023 EP20070002023 EP 20070002023 EP 07002023 A EP07002023 A EP 07002023A EP 1947042 B1 EP1947042 B1 EP 1947042B1
Authority
EP
European Patent Office
Prior art keywords
winding
winding shaft
coil
rollers
stabilising
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.)
Not-in-force
Application number
EP20070002023
Other languages
German (de)
English (en)
Other versions
EP1947042A1 (fr
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.)
Filing date
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/fr
Publication of EP1947042A1 publication Critical patent/EP1947042A1/fr
Application granted granted Critical
Publication of EP1947042B1 publication Critical patent/EP1947042B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 coil forming thereon can be delivered, wherein at least two stabilizing rollers are provided, which can be applied to the surface of the winding shaft or the coil forming thereon by means of a pivoting device on the side of the winding shaft opposite the contact roller and can be lifted from it by the pivoting device when not in use
  • Winding devices of the type mentioned are widely known and are used in particular for winding continuously tapered material webs made of plastics.
  • material webs include single- or multi-layered 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.
  • 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.
  • a generic winding device is from the EP 1 757 546 A2 (State of the art according to Art. 54 (3) EPC.
  • 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.
  • 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 is responsible for the occurrence of Quality fluctuations in the winding result have so far been responsible.
  • 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 can be pivoted from the working position to the rest position in a winding shaft change, to then provide sufficient freedom of movement 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 the installation situation and product requirement of the specific winding device.
  • 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.
  • 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, generating a prescribable 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 reach a rest position in which they continue 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 has a 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 in approximately mirror symmetry 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 anatomyen.

Landscapes

  • Winding Of Webs (AREA)

Claims (12)

  1. Enrouleur destiné à l'enroulement d'une bande de matériau (4) acheminée en continu sur un arbre d'enroulement (3) en formant une bobine (40) de la bande de matériau (4) sur l'arbre d'enroulement (3), dans lequel il est prévu un cylindre contacteur (1) ménagé à rotation dans l'enrouleur, par le biais duquel la bande de matériau (4) à enrouler peut être guidée et délivrée à l'arbre d'enroulement (3) ou à la bobine (40) se formant sur celui-ci, dans lequel il est prévu au moins deux cylindres de stabilisation (5a, 5b) qui peuvent être appliqués avec un dispositif pivotant (6) sur le côté de l'arbre d'enroulement (3), opposé au cylindre contacteur (1), à la surface de l'arbre d'enroulement (3) ou de la bobine (40) se formant sur celui-ci et qui, en cas de non-utilisation, peuvent être décollés de celui-ci au moyen du dispositif pivotant (6), dans lequel, lorsque les cylindres de stabilisation (5a, 5b) sont appliqués à la surface de l'arbre d'enroulement (3) ou de la bobine (40) se formant sur celui-ci, l'axe central (M1) du premier cylindre de stabilisation (5a) s'étend toujours au-dessus du plan horizontal (H) s'étendant à travers l'axe central de l'arbre d'enroulement et l'axe central (M2) du second cylindre de stabilisation (5b) s'étend toujours au-dessous du plan horinzontal (H) s'étendant à travers l'axe central de l'arbre d'enroulement (3).
  2. Enrouleur selon la revendication 1, dans lequel les cylindres de stabilisation (5a, 5b) peuvent être soumis à un pivotement au moyen du dispositif pivotant (6) d'une position de repos éloignée de l'arbre d'enroulement (3) à une position de travail, dans laquelle ils peuvent être appliqués à la surface de l'arbre d'enroulement (3) ou de la bobine (40) se formant sur celui-ci, et peuvent être soumis à un pivotement, inversement, de la position de travail à la position de repos.
  3. Enrouleur selon l'une quelconque des revendications 1 ou 2, dans lequel les cylindres de stabilisation (5a, 5b) peuvent être soumis à un pivotement au moyen d'un dispositif pivotant commun (6).
  4. Enrouleur selon l'une quelconque des revendications 1 ou 2, dans lequel les cylindres de stabilisation (5a, 5b) présentent respectivement un dispositif pivotant propre (6).
  5. Enrouleur selon l'une quelconque des revendications 1 à 4, dans lequel le dispositif pivotant comprend un levier pivotant (61) actionné par un cylindre presseur (60), sur l'un des bras de levier (610) duquel agit le cylindre presseur (60) et sur l'autre bras de levier (612) duquel sont fixés les cylindres de stabilisation (5a, 5b).
  6. Enrouleur selon la revendication 5, dans lequel les cylindres de stabilisation (5a, 5b) sont fixés sur le bras de levier (612) de manière articulée au moyen d'un bras articulé (62) pivotant autour d'un palier de rotation (63).
  7. Enrouleur selon l'une quelconque des revendications 1 à 6, dans lequel les cylindres de stabilisation (5a, 5b) peuvent être appliqués, en générant une pression appliquée prédéfinissable, à la surface de l'arbre d'enroulement (3) ou de la bobine (40) se formant sur celui-ci.
  8. Enrouleur selon la revendication 7, dans lequel on peut régler une pression appliquée de 10 à 6000 N.
  9. Enrouleur selon la revendication 7 ou 8, dans lequel la pression appliquée peut être mesurée au moyen de dispositifs de mesure de pression aménagés dans les cylindres de stabilisation (5a, 5b).
  10. Enrouleur selon l'une quelconque des revendications 5 à 9, dans lequel le cylindre presseur (60) peut être sollicité en pression de part et d'autre de son piston.
  11. Enrouleur selon l'une quelconque des revendications 1 à 10, dans lequel les cylindres de stabilisation (5a, 5b) présentent un revêtement appliqué sur leur circonférence externe et constitué d'au moins deux couches (51, 52), la couche interne (51) étant réalisée de manière élastique avec une dureté plus faible que celle de la couche externe (52).
  12. Enrouleur selon la revendication 11, dans lequel la couche interne (51) présente une dureté Shore (A) de 5 à 30 et la couche externe (52) présente une dureté Shore (A) de 40 à 90.
EP20070002023 2007-01-18 2007-01-31 Machine d'enroulement Not-in-force EP1947042B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20070002023 EP1947042B1 (fr) 2007-01-18 2007-01-31 Machine d'enroulement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07000990 2007-01-18
EP20070002023 EP1947042B1 (fr) 2007-01-18 2007-01-31 Machine d'enroulement

Publications (2)

Publication Number Publication Date
EP1947042A1 EP1947042A1 (fr) 2008-07-23
EP1947042B1 true EP1947042B1 (fr) 2010-08-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070002023 Not-in-force EP1947042B1 (fr) 2007-01-18 2007-01-31 Machine d'enroulement

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2941397B1 (fr) 2013-09-25 2018-01-31 Colines S.P.A. Unité de pressage auxiliaire dans une machine d'enroulement de feuille plastique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148443A (zh) * 2014-07-31 2014-11-19 中国重型机械研究院股份公司 一种废边卷取机减振系统

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Publication number Priority date Publication date Assignee Title
DE2018494A1 (de) * 1970-04-17 1971-11-04 Jagenberg Werke Ag Verfahren und Vorrichtung zum Auf wickeln von Papier oder anderen Werk Stoffbahnen mit Hilfe einer Rollen schneide und Umwickelmaschine
DE3610368A1 (de) * 1985-04-04 1986-10-23 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Aufspulmaschine mit angelenkter tastwalze
DE4213712C2 (de) 1992-04-25 1995-03-09 Reifenhaeuser Masch Kontaktwabenwickelmaschine zum rechts- und linksdrehenden Aufwickeln einer bahnförmigen Kunststoffolie
DE19855781C2 (de) 1998-12-03 2002-12-12 Reifenhaeuser Masch Wickelvorrichtung
DE10125192A1 (de) * 2001-05-23 2002-11-28 Voith Paper Patent Gmbh Verfahren und Vorrichtung zur aktiven Schwingungsdämpfung bei Wickelmaschinen
DE102005039303A1 (de) 2005-08-19 2007-02-22 Voith Patent Gmbh Tragwalzen-Wickelmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2941397B1 (fr) 2013-09-25 2018-01-31 Colines S.P.A. Unité de pressage auxiliaire dans une machine d'enroulement de feuille plastique

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