EP1396453B1 - Bobineuse - Google Patents

Bobineuse Download PDF

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Publication number
EP1396453B1
EP1396453B1 EP03018079A EP03018079A EP1396453B1 EP 1396453 B1 EP1396453 B1 EP 1396453B1 EP 03018079 A EP03018079 A EP 03018079A EP 03018079 A EP03018079 A EP 03018079A EP 1396453 B1 EP1396453 B1 EP 1396453B1
Authority
EP
European Patent Office
Prior art keywords
roll
layer
hardness
winding
material web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03018079A
Other languages
German (de)
English (en)
Other versions
EP1396453A2 (fr
EP1396453A3 (fr
Inventor
Srecko Somodji
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1396453A2 publication Critical patent/EP1396453A2/fr
Publication of EP1396453A3 publication Critical patent/EP1396453A3/fr
Application granted granted Critical
Publication of EP1396453B1 publication Critical patent/EP1396453B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support roller

Definitions

  • the invention relates to a reel winder for winding a material web to a web roll with at least one roller having an elastic layer on the surface and with the web roll during operation forms a nip, wherein the influence of the layer on the winding hardness of the web roll is adjustable.
  • roller winder is out US 4 541, 585 A known.
  • the roller has on its outer circumference a plurality of adjoining each other in the axial direction air chambers, which can be pressurized. Depending on the level of pressure, the layer thus formed is softer or harder.
  • DE 40 35 054 A1 shows a winding device with a roller which carries on a base body an elastic layer which is provided on its outer side with a helical groove arrangement.
  • the elastic layer is surrounded by a running jacket made of a thin-walled spring steel.
  • a paper web that is produced virtually endlessly must be wound into a roll at the end of the manufacturing process so that it can be transported and handled. As a rule, the paper web is also cut to the desired width during or shortly before winding.
  • reel winder which set a roll core or a web roll forming on the roll core into rotation.
  • the reel winder can have different configurations. On the one hand, it can be a double take-up roll winder in which the web roll lies in a winding bed which is wound from two support rolls. It may also be a back-up roll winder in which the roll of web material is held centrically and additionally bears against a support roll. In both cases, it is known to additionally use a pressure roller, which exerts a pressure on the roll of web material, at least at the beginning of the winding process, in order to increase the winding hardness.
  • All of these rollers usually have an elastic surface layer.
  • the surface layer is compressed during winding, in particular in the case of the rolls on which the web roll rests. The compression increases with increasing diameter and thus increasing weight of the web roll. This affects the winding hardness of the web roll.
  • different roll coverings i. Surface layers used. If you do not want to replace the roll for winding different paper types, you have to form the lining or the surface layer from the outset as a compromise between different requirements. However, under certain circumstances no paper type is optimally wound.
  • the invention has for its object to improve the winding result of the reel winder in different webs.
  • the effective hardness of the layer is variable. This is a relatively simple measure to adjust the influence of the layer on the winding hardness of the material web. The harder the layer, the greater the winding hardness of the web roll. It is not absolutely necessary to change the properties of the material of the layer. It is sufficient if the effective hardness of the layer is changeable, ie the hardness that acts on the web roll. If the escape spaces are large, then the material of the layer can be extensively evaded into the escape spaces when pressurized. The material of the layer can thus be displaced under the winding pressure in the alternative spaces. This creates the effect of a soft surface. The result is a large-area bearing effect and thus a low Nip réelle and a low winding hardness.
  • the penetration depth of the web roll into the roll is variable. This is a relatively easy way to change the effective hardness. The greater the penetration depth of the web roll, the lower the effective hardness of the layer.
  • each section has a sleeve arranged on a roller body, which is surrounded by a ring which forms the layer.
  • the bushes can be moved on the roller body to change the distances between the sections. If the jacks are closely adjacent, then there is only a smaller escape space available. Accordingly, the material of the layer can not dodge so well. The effective hardness of the layer is increased.
  • the jacks on a common drive So you do not have to relocate each jack for yourself. Rather, it is sufficient to operate the drive as a whole in order to change the effective hardness of the layer on the surface of the roller.
  • the bushes are clamped in the axial direction between a clamping device and a stop and between the sockets a return device is arranged.
  • a return device is arranged.
  • the reset device can be formed for example by springs, which are arranged between the individual sections. The distances between the individual sections are then set so that there is equilibrium between the pressure of the tensioning device and the restoring force of the springs.
  • the restoring device is formed by an elastic spacer ring.
  • a spacer ring is arranged between each two adjacent jacks.
  • the spacer for example a ring made of a suitable elastomeric material, then acts as a spring, i. it is compressed as the pressure of the tensioner increases and expands as the pressure decreases. This is a relatively easy way to arrange a sufficiently powerful spring between the sections.
  • At least one section can be fixed in the axial direction.
  • the adjustment of the properties of the surface layer then takes place in several steps.
  • the hardness of the layer is set in a zone farthest from the jig.
  • the zone limiting portion is set in the axial direction on the roll body.
  • the hardness of the surface layer between the stop and the fixed portion then remains unchanged, even if the pressure of the clamping device is changed. By changing the pressure, one can then measure the hardness in one zone on the other Change the page of the specified section.
  • To set the sections can provide, for example, that the sockets are designed as clamping rings, or provide other ways to hold the jacks on the roll body.
  • Fig. 1 schematically shows a reel winder 1 for winding a paper web 2 (or other material web) to a winding roll.
  • the paper web 2 passes through a longitudinal cutting device 3, in which it is divided into several partial webs.
  • the individual partial webs are wound up into separate partial web rolls, as is known per se.
  • an air relief for the material web rolls or pressure rollers are not shown, but known per se.
  • Fig. 2 shows an enlarged view of the support roller 4.
  • a corresponding roller can also be used as a support roller in a Doppeltragwalzenwickler or as a pressure roller in a roll winder.
  • the backing roll 4 has, as is known per se, on its surface an elastic layer which is compressed when the roll of web material under its own weight. the support roller 4 is present.
  • the surface of the support roller 4 is divided into a plurality of individual sections 8.
  • Each section has a bushing 9 which is displaceable on a roller body 10 in the axial direction.
  • Each bushing 9 is surrounded in the circumferential direction by a ring 11.
  • the ring 11 is formed of the material which forms the layer on the surface of the support roller 4, that is, the lining of the support roller 4th
  • the support roller 4 has a clamping device 12, which can be displaced in the direction of a double arrow 13 on the roller body 10, and a stop 14th At the other axial end of the roller body 10. Between the bushings 9 each spacer rings 15 are arranged, which are formed of an elastically deformable material. The spacers 15 serve as a restoring device, ie they press the bushes 9 apart in the axial direction.
  • Distances 16 are formed between the individual rings 11, which serve as an alternative space, as described below with reference to FIG Fig. 4 and 5 will be explained.
  • the size of the distances 16 is variable by means of the clamping device 12.
  • the tensioning device 12 When the tensioning device 12 is operated so that the individual bushes are moved toward the stop 14, then the distances 16 and thus the size of the escape spaces between the individual rings 11 decrease.
  • the tensioning device 12 is actuated so that the bushings 9 are moved away from the stop 14 under the action of the spacers 15, then increase the distances 16 and thus the escape spaces between the rings eleventh
  • clamping rings 17, 18 can be moved not only on the roller body 10 in the axial direction, but also in a manner not shown in a once occupied position on the roller body 10 are fixed. This makes it possible to set the coating differently in several zones. For example, you can first operate the clamping device 12 so that the distances 16 of the sections 8 are set in the area between the stop 14 and the first clamping ring 17 to the desired effective hardness. there Of course, all other distances 16 are set accordingly. The clamping ring 17 is then fixed on the roller body 10 in the axial direction. The effective hardness in this zone is then retained.
  • the clamping ring 17 acts in this case as a stop for the sections in this zone.
  • the clamping ring 18 can be fixed. By re-pressing the tensioning device 12 then the effective hardness can be set in the remaining zones.
  • Fig. 4 shows Fig. 4a a view accordingly Fig. 3 without web roll.
  • Fig. 4b shows the situation when a web roll 19 rests on the rings 11.
  • Fig. 4c shows a schematic view of the deformation of the lining, which is formed by the rings 11.
  • Fig. 5 shows the same representation in the event that the jacks are stretched.
  • the distances 16 between individual rings are reduced to zero. So there are no alternative spaces, in which the material of the rings 11 can escape.
  • Under the winding pressure, which is exerted by the material web roll 19, the material of the rings 11 is displaced before and behind the nip as a bead 20.
  • the penetration depth e is reduced.
  • the material of the rings 11 is not changed per se, although the hardness of the rings 11 is retained per se. However, since the material of the rings 11 can no longer be displaced into the escape spaces formed by the spaces 16, the effective hardness, i. the hardness, which is exposed to the material web roll 19, changed by a change in the size of the distances 16.

Landscapes

  • Winding Of Webs (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Liquid Crystal (AREA)
  • Burglar Alarm Systems (AREA)

Claims (9)

  1. Bobineuse destinée à bobiner une bande de matière (2) en une bobine (19) de bande de matière, laquelle bobineuse présente au moins un cylindre (9) doté d'une couche élastique (11) à sa surface et qui, en fonctionnement, forme un interstice avec la bobine (19) de bande de matière, l'influence de la couche (11) sur la dureté de bobinage de la bobine (19) de bande de matière étant ajustable,
    caractérisée en ce que
    la couche (11) présente des espaces de dégagement (16) dont la taille est modifiable et en ce que la couche (11) est divisée dans la direction axiale du cylindre (4) en plusieurs tronçons (8) entre lesquels sont disposés les espaces de dégagement (16).
  2. Bobineuse selon la revendication 1, caractérisée en ce que la dureté effective de la couche (11) est modifiable.
  3. Bobineuse selon les revendications 1 ou 2, caractérisée en ce que la profondeur de pénétration (e) de la bobine (19) de bande de matière dans le cylindre (4) est modifiable.
  4. Bobineuse selon l'une des revendications 1 à 3, caractérisée en ce que la distance entre les tronçons (8) est modifiable.
  5. Bobineuse selon l'une des revendications 1 à 4, caractérisée en ce que chaque tronçon (8) présente une douille (9) disposée sur un corps de cylindre (10) et entourée par un anneau qui forme la couche (11).
  6. Bobineuse selon la revendication 5, caractérisée en ce que les douilles (9) présente un entraînement (12) commun.
  7. Bobineuse selon la revendication 6, caractérisée en ce que les douilles (9) sont serrées dans la direction axiale entre un dispositif de serrage (12) et une butée (14) et en ce qu'un dispositif de rappel (15) est disposé entre les douilles (9).
  8. Bobineuse selon la revendication 7, caractérisée en ce que le dispositif de rappel (15) est formé par un anneau élastique d'écartement.
  9. Bobineuse selon l'une des revendications 5 à 8, caractérisée en ce qu'au moins un tronçon (17, 18) peut être immobilisé dans la direction axiale.
EP03018079A 2002-08-22 2003-08-08 Bobineuse Expired - Lifetime EP1396453B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20212869U DE20212869U1 (de) 2002-08-22 2002-08-22 Rollenwickler
DE20212869U 2002-08-22

Publications (3)

Publication Number Publication Date
EP1396453A2 EP1396453A2 (fr) 2004-03-10
EP1396453A3 EP1396453A3 (fr) 2005-10-19
EP1396453B1 true EP1396453B1 (fr) 2008-07-16

Family

ID=7974310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03018079A Expired - Lifetime EP1396453B1 (fr) 2002-08-22 2003-08-08 Bobineuse

Country Status (3)

Country Link
EP (1) EP1396453B1 (fr)
AT (1) ATE401281T1 (fr)
DE (2) DE20212869U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015105670A1 (de) * 2015-04-14 2016-10-20 TRüTZSCHLER GMBH & CO. KG Wickelmaschine zur Erzeugung von Wattewickeln und Verfahren zum Wickeln einer Watte

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541585A (en) * 1983-09-06 1985-09-17 Beloit Corporation Compliant drum and rider roll
DE4035054C2 (de) * 1990-11-05 1996-12-12 Beloit Corp Wickelvorrichtung für Bahnen aus Papier oder dergleichen und Walze hierfür
DE29907798U1 (de) * 1999-05-03 1999-08-12 Voith Sulzer Papiertechnik Patent GmbH, 89522 Heidenheim Wickelachse

Also Published As

Publication number Publication date
EP1396453A2 (fr) 2004-03-10
EP1396453A3 (fr) 2005-10-19
DE50310149D1 (de) 2008-08-28
DE20212869U1 (de) 2002-10-31
ATE401281T1 (de) 2008-08-15

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