EP1492719B1 - Dispositif de traction pour bande de materiau - Google Patents

Dispositif de traction pour bande de materiau Download PDF

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Publication number
EP1492719B1
EP1492719B1 EP03718635A EP03718635A EP1492719B1 EP 1492719 B1 EP1492719 B1 EP 1492719B1 EP 03718635 A EP03718635 A EP 03718635A EP 03718635 A EP03718635 A EP 03718635A EP 1492719 B1 EP1492719 B1 EP 1492719B1
Authority
EP
European Patent Office
Prior art keywords
ring
drawing apparatus
web
auxiliary
main
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
EP03718635A
Other languages
German (de)
English (en)
Other versions
EP1492719A1 (fr
Inventor
Horst Bernhard Michalik
Manfred Wolfgang Hartmann
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1492719A1 publication Critical patent/EP1492719A1/fr
Application granted granted Critical
Publication of EP1492719B1 publication Critical patent/EP1492719B1/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
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/112—Means for varying cross-section
    • B65H2404/1121—Means for varying cross-section for changing diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/132—Details of longitudinal profile arrangement of segments along axis
    • B65H2404/1321—Segments juxtaposed along axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/147—Roller pairs both nip rollers being 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
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/251—Smearing

Definitions

  • the invention relates to a traction device for a material web according to the preamble of claim 1.
  • the diameter of the pull rings of this known pulling device is variable, in order to be able to vary the peripheral speed of the pull rings and thus the conveying speed of the web or the pulling force exerted on it while maintaining the same speed of rotation of the draw rollers.
  • the invention has for its object to provide a pulling device for a material web.
  • the main pull ring which is provided in the same way as the pull rings of the device of EP 07 67124 B1, in order to be constantly in contact with a material web guided through the device, and the auxiliary pull ring, which under normal operating conditions, the Material web not touched.
  • the Hilfszugring the pulling device may be disposed opposite to a region of the material web, which should not be touched by a pull ring in normal operation; Under normal operating conditions of the pulling device is provided that its diameter assumes the first value at which its contact surface does not touch the material web. Only in the event of a fault should the diameter of the auxiliary pull ring be widened to a second value so that its contact surface comes into contact with the material web. In this situation, the Hilfszugring stabilized the directional stability of the web and prevents excessive lateral migration of the web, which can otherwise lead to compression of a lateral edge of the web and thus bulky, dangerous Stopfem or wraps.
  • sensors for detecting running forces of the material web are expediently provided.
  • Such sensors can directly on the traction device itself or be provided at any suitable points of the material web course in front of or behind the traction device.
  • the contact surface of the Hilfszugrings may be continuously formed of an elastically stretchable material, or it may be formed as a slotted tire.
  • the second alternative makes it possible to use comparatively rigid materials for the contact surface, since the circumferential enlargement of the auxiliary pull ring does not have to be achieved by stretching the material, but may be accompanied by widening of the slot.
  • the same material can be used for the contact surface of the main pull ring and the auxiliary pull ring.
  • the Hilfszugring radially within the contact surface comprises an elastically deformable support ring which is held in the axial direction between two mutually displaceable jaws by a displacement of these jaws against each other, a widening of the auxiliary pull ring can be brought about.
  • a hydraulic or pneumatic actuator can be used.
  • the actuating element is preferably equipped with a ring surrounding the axis pressurizable chamber.
  • radially expanding element In order to assist the expansion of the carrier ring under axial pressure, preferably in an annular space of the same under axial pressure radially expanding element is attached.
  • Fig. 1 shows a schematic, partially sectioned plan view of a pulling device according to a first embodiment of the invention.
  • the traction device is in a printing press between a junction, at the multiple single-layer printed webs 04, z. B. paper webs 04 are merged into a multilayer paper web, d. H. z. B. a former or turnstile tower, and arranged a folding unit
  • the traction device comprises two Anlageniwalzen 01; 02, which are rotatably mounted in two side frame plates 03 and define a gap between them, through which a paper web 04 is guided perpendicular to the plane of FIG.
  • One of the two draw rollers 01; 02, here the tension roller 01 is held on the side frame plates 03 by means of eccentric bushings 06 which are rotatable to adjust the width of the gap according to the thickness of the guided through paper web 04.
  • the two draw rollers 01; 02 carry at one of their ends in each case a gear 07, one of which is in engagement with a drive device not shown in FIG. 1, and which mesh with each other, so that the two draw rollers 01; 02 each rotate at the same speed.
  • main pull rings 08 On the body of the tension roller 01 are two main pull rings 08 detachably mounted with a fixed outer diameter.
  • the main pull rings 08 clamp together with the pull roll 02 the lateral edges of the paper web 04 to exert a tensile force on them.
  • two Hilfskarringe 09 are arranged on the body of the tension roller 01, whose diameter is variable.
  • Such a main pull ring 08 and an auxiliary pull ring 09 are shown enlarged in Fig. 2, and their structure will be described in more detail with reference to this Fig. 2 later.
  • Two sensors 05 designed here as light barriers are located in the conveying direction of the paper web 04 in front of or behind the draw rollers 01; 02 arranged to monitor the correct position of the lateral edges of the web 04.
  • the tension roller 02 is shown schematically in FIG. 1 as a cylindrical outline. It may in fact be designed as a cylindrical body with a radius that is constant in the axial direction, or it may have a mirror-image structure with main pulls and auxiliary pull rings, which are respectively arranged opposite the main pull rings 08 and auxiliary pull rings 09 of the pull roll 01.
  • the main pull ring 08 is constructed of a plurality of parts. Two of these parts, referred to here as core ring 12 and clamping ring 13, are directly on Body 14 of the tension roller 01 arranged; they are connected to each other by screws 16 and form two jaws which define a circumferential gap 17 of approximately trapezoidal cross-section. The width of the gap 17 decreases from the inside to the outside in the radial direction. In the gap 17, a so-called support ring 18 is received, the outer peripheral surface of which constitutes a contact surface 19 which rolls in contact with a lateral edge of the paper web 04 drawn by the pulling device.
  • a clamping ring assembly consisting of two on a conical interface 22 contacting rings 23; 24, arranged.
  • rings 23; 24 are pressed by means of engaging in the core ring 12 screws 26 against each other and against the core ring 12, they exert a radial pressure on an axially slotted extension 27 of the core ring 12 and keep it pressed against the body 14 of the tension roller 01, with the help the clamping ring assembly is the main pull ring 08 in any axial position on the draw roller 01 according to the respective position of an edge of the paper web 04 fixed.
  • the Hilfszugring 09 also has a core ring 28 which is clamped by means of a clamping ring assembly on the body 14, and a clamping ring 29 which define a substantially trapezoidal gap 31 between them.
  • the clamping ring 29 is constructed in two parts, with an axially displaceable annular jaw 32, which forms the sides of the gap 31 together with the opposite fixed jaws of the core ring 28, and a cylinder ring attached to the core ring 28 by means of a snap ring 33, on which the jaw 32 is slidably held.
  • the cylinder ring 33 has an annular chamber 34 into which an annular extension of the jaw 32 engages and which can be acted upon with pressurized fluid, in particular with compressed air, in order to displace the jaws 32.
  • the pipes 49 are flexible, so that the Hilfszugringe 09 on the body 14 can be moved axially within certain limits, without having to solve the pipes 49.
  • An unillustrated valve for opening and closing the compressed air supply is arranged on the pneumatic rotary joint 46.
  • a support ring 36 In the gap 31 is a support ring 36 is held.
  • the diameter of the carrier ring 36 is in a normal operating state of the traction device, in which the annular chamber 34 is not acted upon with compressed air, slightly smaller than that of the main pull ring 08, so that the contact surface 37 of the carrier ring 36 does not touch the paper web 04.
  • the carrier ring 36 of the auxiliary traction ring 09 can be widened by pressurizing the chamber 34.
  • the paper web 04 is clamped between the Hilfszugring 09 and the opposite tension roller 02 and a secure straight-ahead of the paper web 04 remains guaranteed even if the clamping between the adjacent main pull ring 08 and the opposite pull roller 02 has already been lost.
  • a first, simple possibility is to form the support ring 36 including its contact surface 37 of a rubber-elastic deformable material, which avoids a pressure exerted by the jaw 32 radially outward prevents the trapezoidal, widened to the bottom of the gap 31 cross-section of the gap 31 that the carrier ring 36 lifts under pressure on a part of its circumference from the bottom of the gap 31, which could lead to a non-uniform widening of the carrier ring 36 along the circumference and thus to an unsafe clamping of the paper web 04 on the auxiliary pull ring 09.
  • the support ring 36 is made of a rigid plastic material of low extensibility. It is circumferentially divided into a plurality of pieces and surrounded by a stretchable outer band 38 which defines the contact surface 37 for contact with the paper web.
  • a flexible element 41 is accommodated in a radial, inwardly open annular groove 39 of the carrier ring 36, which tends to expand radially under axial pressure.
  • this flexible element 41 may be z.
  • Example a Polyrethanschaum with a density between 30 and 50 g / l, a shaped torus to a coil spring or the like.
  • the second and third alternatives are useful because after the deployment of the auxiliary pull ring 09, when the pressure from the chamber 34 is released again, the resilience of the foam material or spring assists in returning the carrier ring 36 to its normal, low diameter condition.
  • the contact surface 37 of the Hilfszugrings 09 instead of an elastic stretchable band 38 also from a less flexible material less Extensibility be formed.
  • This material is formed into a tire 42 which surrounds the carrier ring 36 and has one or more slots 43 in the circumferential direction.
  • Each piece of tire 43 divided by slits 43 is secured to an underlying piece of carrier ring 36 and loosely rests on adjacent pieces to allow its pieces to move apart circumferentially in the event of an increase in diameter of the auxiliary pull ring 09.
  • the slots 43 widen without the material of the tire 42 being stretched.
  • the slot 43 expediently runs helically along the contact surface 37, so that in each rotational position of the auxiliary pull ring 09, a part of the tire 42 can come into contact with the paper web 04.
  • Fig. 5 shows an auxiliary pull ring 51 of a pulling device according to a second embodiment of the invention in a section analogous to that of Fig. 2.
  • the main pull ring 08 of this embodiment does not differ from the embodiment of Fig. 2 and is therefore not shown again in Fig. 5
  • a support ring 52 is held in the same manner as in the main pull ring 08 of FIG. 2 in one of a core ring 53 and a clamping ring 54 limited gap 56.
  • the support ring 52 of flexible stretchable material defines a chamber 57 at the bottom of the gap 56, which is acted upon by the central bore 47 of the body 14 via a flexible conduit 49 and extending through the core ring 53 bore with compressed air.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Advancing Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Drawers Of Furniture (AREA)
  • Unwinding Webs (AREA)

Claims (13)

  1. Dispositif de traction pour la transport d'une bande de matériau (04), avec au moins une bague de traction principale (08), susceptible d'être entraînée en rotation autour d'un axe, une face de contact (19), sur la périphérie de la bague de traction principale (08), entrant en contact avec un chemin de transport de la bande de matériau (04) au moyen du dispositif de traction, caractérisé en ce qu'au moins une bague de traction auxiliaire (09) est disposée, susceptible d'être entraînée en rotation autour du même axe que celui de la bague de traction principale (08) et dont le diamètre est d'une première valeur, pour laquelle une face de contact (37) de la bague de traction auxiliaire (09) est espacée de la bande de matériau (04), et dont le diamètre peut être agrandi à une deuxième valeur, pour laquelle la face de contact (37) de la bague de traction auxiliaire (09) est en contact avec la bande de matériau (04).
  2. Dispositif de traction selon la revendication 1, caractérisé en ce qu'il comprend au moins un capteur (05), pour détecter une perturbation du défilement de la bande de matériau (04).
  3. Dispositif de traction selon la revendication 1 ou 2, caractérisé en ce que la face de contact (37) de la bague de traction auxiliaire (09) est formée par un bandage (42) fendu en direction périphérique.
  4. Dispositif de traction selon la revendication 1 ou 2, caractérisé en ce que la face de contact (37) de la bague de traction auxiliaire (09) est formée de façon continue, à partir d'un matériau extensible élastiquement.
  5. Dispositif de traction selon l'une des revendications précédentes, caractérisé en ce que la bague de traction principale (08) et la bague de traction auxiliaire (09) sont montées sur un corps (14) commun d'un rouleau de traction (01).
  6. Dispositif de traction selon la revendication 5, caractérisé en ce qu'une deuxième bague de traction principale (08) est montée sur le corps (14) du rouleau de traction (01), et en ce que la au moins une bague de traction auxiliaire (09) est disposée entre les deux bagues de traction principales (08).
  7. Dispositif de traction selon l'une des revendications précédentes, caractérisé en ce que la bague de traction auxiliaire (09) comprend une bague support (36) déformable élastiquement, maintenue entre deux mâchoires de serrage (28, 32), déplaçables l'une par rapport à l'autre en direction axiale, et entourée en direction radiale par la surface de contact (37) de la bague de traction auxiliaire (09).
  8. Dispositif de traction selon la revendication 7, caractérisé par un élément de réglage hydraulique ou pneumatique, pour produire le déplacement d'une des mâchoires de serrage (32).
  9. Dispositif de traction selon la revendication 8, caractérisé en ce que l'élément de réglage comprend une chambre (34), entourant en forme d'anneau l'axe et susceptible d'être sollicitée par un fluide sous pression.
  10. Dispositif de traction selon la revendication 8 ou 9, caractérisé en ce que, dans une gorge annulaire (39) de la bague support (36) est monté un élément (41) flexible, s'étirant radialement sous l'effet d'une pression axiale.
  11. Dispositif de traction selon l'une des revendications 7 à 10, caractérisé en ce que la bague support (36) présente une section transversale trapézoïdale, allant en s'effilant en évoluant vers l'extérieur.
  12. Dispositif de traction selon la revendication 4 et l'une des revendications 8 à 10, caractérisé en ce qu'un perçage (44), servant à l'alimentation de l'élément de réglage avec un fluide sous pression, s'étend à travers le corps (14) du rouleau de traction (01).
  13. Dispositif de traction selon l'une des revendications 5 à 11, caractérisé en ce que le corps (14) du rouleau de traction (01) est maintenu, par chaque fois un coussinet de palier (06) excentrique, sur des plaques de bâti latérale (03) du dispositif de transport par traction.
EP03718635A 2002-04-11 2003-03-26 Dispositif de traction pour bande de materiau Expired - Lifetime EP1492719B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10215938 2002-04-11
DE10215938A DE10215938C1 (de) 2002-04-11 2002-04-11 Zugvorrichtung für eine Materialbahn
PCT/DE2003/000997 WO2003086925A1 (fr) 2002-04-11 2003-03-26 Dispositif de traction pour bande de materiau

Publications (2)

Publication Number Publication Date
EP1492719A1 EP1492719A1 (fr) 2005-01-05
EP1492719B1 true EP1492719B1 (fr) 2006-02-15

Family

ID=27675192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03718635A Expired - Lifetime EP1492719B1 (fr) 2002-04-11 2003-03-26 Dispositif de traction pour bande de materiau

Country Status (5)

Country Link
EP (1) EP1492719B1 (fr)
AT (1) ATE317822T1 (fr)
AU (1) AU2003222728A1 (fr)
DE (2) DE10215938C1 (fr)
WO (1) WO2003086925A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005042351A1 (de) * 2005-09-07 2007-05-03 Man Roland Druckmaschinen Ag Vorrichtung zur Bearbeitung bahnförmigen Materials
ES2553899T3 (es) * 2008-12-08 2015-12-14 Bobst Mex Sa Disposición de arrastre de un soporte plano en una máquina de producción de envases
DE102009000353B4 (de) * 2009-01-21 2016-04-28 Koenig & Bauer Ag Zugwalze
CN116081369B (zh) * 2023-04-10 2023-06-09 常州亚欣能源科技有限公司 一种珍珠棉加工自动化收卷设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205770A (en) * 1978-05-15 1980-06-03 Ncr Corporation Selective feeding of record media
DE4340915A1 (de) * 1993-02-23 1994-08-25 Heidelberger Druckmasch Ag Auswechselbare Andrückhülse
DE19537422A1 (de) * 1995-10-07 1997-04-17 Koenig & Bauer Albert Ag Zugwalzenpaar
JP3743138B2 (ja) * 1997-10-15 2006-02-08 ブラザー工業株式会社 シート搬送装置
EP1056671B1 (fr) * 1998-02-10 2001-11-28 Koenig & Bauer Aktiengesellschaft Rouleau-guide

Also Published As

Publication number Publication date
EP1492719A1 (fr) 2005-01-05
AU2003222728A1 (en) 2003-10-27
ATE317822T1 (de) 2006-03-15
DE10215938C1 (de) 2003-09-04
DE50302426D1 (de) 2006-04-20
WO2003086925A1 (fr) 2003-10-23

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