EP1195204B1 - Cage de laminoir à cylindres d'appui et/ou de travail pour le laminage de tôles ou de bandes - Google Patents

Cage de laminoir à cylindres d'appui et/ou de travail pour le laminage de tôles ou de bandes Download PDF

Info

Publication number
EP1195204B1
EP1195204B1 EP01121593A EP01121593A EP1195204B1 EP 1195204 B1 EP1195204 B1 EP 1195204B1 EP 01121593 A EP01121593 A EP 01121593A EP 01121593 A EP01121593 A EP 01121593A EP 1195204 B1 EP1195204 B1 EP 1195204B1
Authority
EP
European Patent Office
Prior art keywords
roll
water stripper
cavity
stand according
compressed air
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
EP01121593A
Other languages
German (de)
English (en)
Other versions
EP1195204A3 (fr
EP1195204A2 (fr
Inventor
Achim Klein
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.)
SMS Siemag AG
Original Assignee
SMS Demag 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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1195204A2 publication Critical patent/EP1195204A2/fr
Publication of EP1195204A3 publication Critical patent/EP1195204A3/fr
Application granted granted Critical
Publication of EP1195204B1 publication Critical patent/EP1195204B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally

Definitions

  • the invention relates to a rolling stand with support and / or work rolls for rolling sheets or strips, arranged between the work roll chocks, the upper roll associated rolling beam at the lower roll circumference and attached to the rolling beam water scraper, which from the outside by adjusting against the Roll surface is adjustable.
  • Such water scrapers are known (W096 / 24443), wherein the ancestor and resetting of the scraper, a housing is provided, which is hydraulically or pneumatically engageable and which is provided on its front with an elastic pad.
  • a comprehensive control device with control valves and an actuator.
  • GB-A 750154 discloses an improvement of a rolling stand for cold rolling of sheets or strips, comparable to a water scraper, with rolling bars arranged on the roll circumference between the work roll chocks and the upper work roll and a means for applying lubricant applied to the roll bar on the upper, middle and lower roller circumference, which can be adjusted from the outside by adjusting against the rolling surface.
  • the supply of the lubricant takes place differently than with water supply from a separate oil container and a feared migration of the oil is prevented by two sealing strips. This results in significantly changed conditions for oil application over water stripping.
  • the invention has for its object to provide a simple water scraper device with a smallest possible number of parts, which is compact, can be accommodated in a small space and minimizes the Abstreiferverschleiss.
  • the stated object is achieved in that the formed with profile cross section water scraper is guided in a support bar that in the water scraper extending in the extension of the support bar cavity is formed and that the cavity can be acted upon with compressed air that the water scraper forms a groove on the back, that the pressure of the compressed air in the cavity is adjustable to a contact pressure of the Wasserabstreifers on the roll circumference and that the pressure of the compressed air is set independently of the friction seal of the sealing lip of the water scraper.
  • the water scraper is acted upon in full length by the media pressure, so that a Aufpressline arises and thereby even a molding roll can be stripped off.
  • the contact pressure can be maintained independently of the fretting wear. A very accurate adjustment of the support bar is eliminated.
  • the groove is advantageous because it generates a seal towards the front in the direction of the roll circumference by the piston itself, so that a discharge of the compressed air in the sense of a sealing effect does not take place. Due to the independence of the pressure of the compressed air from the fretting wear of the sealing lip of the water scraper, constant experience can be gained.
  • the length of the support bar can be exploited so advantageous that the water scraper is elastic and is guided in a slot of the support bar.
  • the assembly is easy and time-saving.
  • the support bar is permanently connected to the rolling beam and thus requires only simple fastening means.
  • the attachment to the operating position can be carried out such that the support bar on a mounting surface which is parallel to the roll axis, releasably secured.
  • a piston-cylinder arrangement is further formed by the fact that the cavity is arranged on the back of the water scraper.
  • the pressure medium always sets the scraper serving as a piston in a desired rubbing position.
  • the water wiper is made of rubber or a rubber compound.
  • the pressure medium supply can be done in various ways. A particularly simple and economical is that the cavity can be connected to the factory compressed air network.
  • a roll stand of the type with support and / or work rolls 1 for rolling sheets or strips of steel has a roll bar 3 arranged between the work roll chocks 3, which carries at the lower roll circumference 3a a water scraper 4, the rolling beam on the third is attached.
  • the water scraper 4 is adjustable by adjusting 5 against the roll surface, ie against the lower roll circumference 3a.
  • the water scraper 4 is provided with a profile cross-section 4 a and is guided in a support bar 6.
  • the support bar 6 has for this purpose a slot 8, in which the elastic water scraper 4 is inserted with its full length (in one case 4020 mm).
  • the support bar 6 is connected to the rolling beam 3.
  • the support bar 6 is seated on a mounting surface 9 which is parallel to the roll axis and is prepared on the roll bar 3.
  • FIG. 2 shows the adjusting means 5 for a half-side smaller roll diameter (left) and for a half-side larger roll diameter (right).
  • the support bar 6 is fastened by means of screws 10 which are guided by a slot which can be provided from above with covers.
  • Fig. 2B In another enlargement of the detail "B" is shown in Fig. 2B, the supply of the pressure medium by means of a compressed air connection 7a in a groove 4c on the back 4b, the profile cross-section 4a ends at the end with the sealing lip 4d, in the groove 4c, the pressure medium is initiated.
  • this design requires only one compressed air port 7a per roll beam side.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Cleaning In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Press Drives And Press Lines (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Claims (7)

  1. Cage de laminage avec des cylindres d'appui et/ou de travail (1) pour le laminage de tôles ou de bandes, présentant des supports de cylindre (3) disposés entre les empoises (2) des cylindres de travail, associés aux cylindres supérieurs et une racle à eau (4) fixée à la périphérie (3a) inférieure du cylindre et sur le support du cylindre (3), qui peut être réglée à partir de l'extérieur par des moyens de réglage (5) contre la surface du cylindre, caractérisée en ce que la racle à eau (4) ayant une section transversale profilée (4a) est guidée dans un cadre support (6), en ce qu'un espace creux (7) est formé dans la racle à eau (4), s'étendant le long du cadre support (6) et en ce que l'espace creux (7) peut être alimenté en air comprimé, en ce que la racle à eau (4) forme sur la face arrière (4b) un creux (4c), en ce que la pression de l'air comprimé dans l'espace creux (7) peut être réglée à une pression de compression de la racle à eau (4) contre la périphérie du cylindre (3a) et en ce que la pression de l'air comprimé est réglée indépendamment de l'usure par frottement la lèvre d'étanchéité (4d) de la racle à eau (4).
  2. Cage de laminage selon la revendication 1, caractérisée en ce que la racle à eau (4) est élastique et est guidée dans une fente (8) du cadre support (6).
  3. Cage de laminage selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que le cadre support (6) est relié au support de cylindre (3).
  4. Cage de laminage selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le cadre support (6) est fixé de manière amovible sur une surface de montage (9) qui est parallèle à l'axe des cylindres.
  5. Cage de laminage selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'espace creux (7) est disposé sur la face arrière (4b) de la racle à eau (4).
  6. Cage de laminage selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la racle à eau (4) est en caoutchouc ou un mélange caoutchouteux.
  7. Cage de laminage selon l'une quelconque des revendications 1 à 6, caractérisée en ce que l'espace creux (7) peut être raccordé au réseau d'air comprimé de l'atelier.
EP01121593A 2000-10-04 2001-09-11 Cage de laminoir à cylindres d'appui et/ou de travail pour le laminage de tôles ou de bandes Expired - Lifetime EP1195204B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10049032A DE10049032A1 (de) 2000-10-04 2000-10-04 Walzgereüst mit Stütz- und/oder Arbeitswalzen zum Walzen von Blechen oder Bändern
DE10049032 2000-10-04

Publications (3)

Publication Number Publication Date
EP1195204A2 EP1195204A2 (fr) 2002-04-10
EP1195204A3 EP1195204A3 (fr) 2004-05-06
EP1195204B1 true EP1195204B1 (fr) 2006-04-19

Family

ID=7658587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01121593A Expired - Lifetime EP1195204B1 (fr) 2000-10-04 2001-09-11 Cage de laminoir à cylindres d'appui et/ou de travail pour le laminage de tôles ou de bandes

Country Status (4)

Country Link
EP (1) EP1195204B1 (fr)
AT (1) ATE323560T1 (fr)
DE (2) DE10049032A1 (fr)
ES (1) ES2259304T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049161A1 (de) 2006-10-18 2008-04-24 Sms Demag Ag Walzgerüst mit Stütz- und/oder Arbeitswalzen zum Walzen von Blechen oder Bändern
EP3284545A1 (fr) 2016-08-18 2018-02-21 Primetals Technologies Austria GmbH Dispositif de demouleur pour une cage de laminoir

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB750154A (en) * 1953-03-16 1956-06-13 Samuel Osborn & Company Ltd Improvements in or relating to rolling mills for cold-rolling of metal sheet or strip
SU772623A1 (ru) * 1978-11-09 1980-10-23 Ждановский металлургический институт Устройство дл нанесени технологической смазки на валки прокатных станов
JPH0225206A (ja) * 1988-07-11 1990-01-26 Kawasaki Steel Corp 圧延ロールの冷却装置
KR100247522B1 (ko) * 1995-02-09 2000-04-01 와다 코오지 압연기롤의물 차단장치
BE1011138A6 (fr) * 1997-04-30 1999-05-04 Travhydro Plastics Et Isolants Dispositif racleur pour laminoir.

Also Published As

Publication number Publication date
EP1195204A3 (fr) 2004-05-06
ATE323560T1 (de) 2006-05-15
EP1195204A2 (fr) 2002-04-10
ES2259304T3 (es) 2006-10-01
DE10049032A1 (de) 2002-05-02
DE50109537D1 (de) 2006-05-24

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