EP2342026B1 - Dispositif de laminage - Google Patents

Dispositif de laminage Download PDF

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Publication number
EP2342026B1
EP2342026B1 EP09778678A EP09778678A EP2342026B1 EP 2342026 B1 EP2342026 B1 EP 2342026B1 EP 09778678 A EP09778678 A EP 09778678A EP 09778678 A EP09778678 A EP 09778678A EP 2342026 B1 EP2342026 B1 EP 2342026B1
Authority
EP
European Patent Office
Prior art keywords
roll
bending
arms
rolling device
rolls
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.)
Active
Application number
EP09778678A
Other languages
German (de)
English (en)
Other versions
EP2342026A2 (fr
Inventor
Christian Diehl
Achim Klein
Bernd Zieser
Florian Lindner
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 Siemag 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 Siemag AG filed Critical SMS Siemag AG
Publication of EP2342026A2 publication Critical patent/EP2342026A2/fr
Application granted granted Critical
Publication of EP2342026B1 publication Critical patent/EP2342026B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/028—Sixto, six-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/203—Balancing rolls

Definitions

  • the invention relates to a rolling device with at least one upper and one lower, arranged on a common rolling stand and vertically displaceable bearings held to adjust different roll gap heights and each supported by a support roll rolls, with at least one Axialschiebe adopted for one of the rolls and at least a bending device comprising a bending cylinder for bending the upper roller.
  • Such rolling devices can in particular each contain a plurality of mutually supporting rollers above and below a roll gap, such as a work roll, which comes directly into contact with the rolling stock and in turn rolls on a mostly larger support roll or an intermediate roll, which in turn bears against a support roll.
  • the work rolls and / or the support rolls and / or the intermediate rolls can be axially displaceable relative to each other.
  • contouring the roll bales of at least two rolls targeted actions on the shape of the rolling stock passing through the roll gap are possible.
  • the height of the roll gap should be adjustable, which requires a vertical displacement on the framework.
  • a rolling device with at least one axial displacement device is known, with the rolling of thick blocks or slabs, the setting of a large roll tray is made possible.
  • the axial displacement device is integrated in the bearings for a work roll receiving components, so that a separate vertical displacement of the axial displacement device is no longer required.
  • the axial displacement of the work rolls is realized with a coaxially arranged on a chock of the work roll displacement device, which is moved out when changing the work roll with the set of rolls from the frame.
  • the upper work roll chocks rely on bending or balancing cylinders in U-shaped recesses of the upper backup roll chocks.
  • the bending cylinders can be arranged in the work roll chocks or alternatively in the backup roll chocks.
  • the bending device comprises at each end of the roller each cross members and bending arms, wherein the roller is guided for adjusting the nip height between the rollers by the bending arms.
  • the bending arms are introduced into recesses of the roll stand or the roll stand.
  • the bending arms are each guided in guide rails, which are screwed to the rolling stand.
  • the bending arms are guided in the middle region of the roll stands or roll stand spars or surround them.
  • the upper support roller is held at its ends in each case in a backup roll chock.
  • the bending cylinders are each arranged vertically to balancing arms for the upper support roller.
  • the bending cylinders act on the crossbeams which are guided on the balancing arms to the upper support roller and on the guide rails.
  • the bending arms can be detachably connected to the crossbeams or the balancing arms, z. B. in this hang.
  • the work rolls are each mounted in work roll chocks and the upper work roll chocks are each acted upon vertically by the bending arms with force.
  • the bending cylinders belonging to the upper work roll are arranged in lower thickenings of the bending arms.
  • chocks of the lower work roll associated bending or Balancierzylinder are arranged vertically in stationary blocks.
  • the Axialverschiebesch are preferably designed as a hydraulic piston-cylinder unit.
  • the actuating element of the Axialverschiebesch is preferably formed in the form of a piston, wherein the piston is fixed with one of its axial ends on a support arm, which is set on the roll stand in a guide, in particular in a sliding guide, translationally displaceable.
  • a total of 1 ( Fig. 1 . 2 ) is formed as a so-called four-roll stand and comprises two work rolls 2, 3 and two back-up rolls 4, 5. Also, a different number of rolls is possible, for example, the formation of a six-roll stand with additional intermediate rolls, the between the work rolls 2, 3 and the support rollers 4, 5 are arranged. Between the work rolls 2, 3 and the support rollers 4, 5, a roll gap 6 is formed for the material to be rolled. The height 7 of the roll gap 6, the so-called roll rise, is adjustable.
  • the rolls 2, 3, 4, 5 are in a roll stand 8 ( Fig. 1 . 2 . 4 ) held.
  • the rolling mill 8 receives backup roll chocks 9, 10 supporting the lower and upper backup rolls 4, 5, respectively.
  • crossbeams 12 are guided. About bending arms 13 of the upper work roll set is carried when the height of the nip 6 is adjusted. At their lower ends are the bending arms 13 with thickenings 14 (FIG. Fig. 3 ) fitted. The crossbeams 12 are guided on Balancierarmen 15; Bending cylinders 16 act on them to bend the upper work roll 3. In a corresponding manner, the lower work roll 2 is bent by a bending cylinder 17. An alternative bending means for bending the upper work roll 3 is indicated at 18.
  • the bending cylinders 16, 17 and alternatively 18 act on the outer edge regions of the work rolls 2, 3 and practice so in the edge region of the rollers 2, 3 a vertically outwardly from the nip 6 force corresponding to the effective force in the central region of the rolling stock to a bending apart counteract the work rolls 2, 3 by the rolling stock.
  • a so-called negative work roll bending over additional piston-cylinder systems 30, 31 can be realized to increase the adjustment range for the profile influencing (s. Fig. 1 ).
  • the Axialverschiebevoroplastyen 21 are arranged at the outer edge regions of the work rolls 2, 3.
  • the piston 22 of the axial displacement device 21 is arranged via an abutment 25 on retaining arms 24, which are arranged horizontally slidably in the work roll chocks 19, 20.
  • the retaining arms 24 are encompassed by lateral holding devices 29, which are fixed on the outside of the roll stand 8 and prevent horizontal movement of the support arms 24 in the direction of the roll axis 23.
  • the holding arms 24 are movable in the lateral holding devices 29 in the vertical direction.
  • the invention thus relates to a system which allows both the bending and the displacement of the work rolls 2, 3.
  • the vertically arranged in stationary blocks bending or Balancierzylinder 17 are assigned to the lower work roll 2.
  • the bending device of the upper work roll 3 is by two novel components characterized: the cross-beam 12 and the bending arm thirteenth
  • the carrying of the upper work roll set on the bending arms 13 are in turn led into strips which are screwed to the roll stand 8, or alternatively in recesses directly to the wheat stands 8.
  • the bending arms 13 be guided in the central region of the roll stand spars or alternatively embrace the roll stand spars.
  • the bending or Balancierzylinder 16 to the upper work roll 3 are arranged vertically to the Balancierarmen 15 to the upper support roller 5 and move in positioning the upper rollers 3, 5 with the Balancierarmen 15 and thereby require a relatively small stroke, by the Walzenabschliff the upper Rolls 3, 5 is determined.
  • the bending or Balancierzylinder act on the crossbars 12, which are guided on the Balancierarmen 15 to the upper support roller 5 and the guide rails 11.
  • the bending arms 13 which are mounted in the crossbeams 12, the chocks to the upper work roll 3 are also applied vertically with force.
  • the bending arms 13 are hooked directly into the balancing arms 15.
  • the bending or Balancierzylinder to the upper work roll 3 are arranged in the lower thickenings of the bending arms 13.
  • the devices for the axial displacement of the work rolls 2, 3 are arranged on the operating side work roll chocks 19, 20 hydraulically operated piston-cylinder systems 21.
  • each of the piston of the cylinder unit is connected to the guided in the corresponding chocks support arms.

Abstract

L'invention concerne un dispositif de laminage (1) comprenant au moins deux cylindres (2, 3) supérieur et inférieur disposés dans une cage de laminoir (8) commune et maintenus dans des paliers pouvant être déplacés verticalement les uns par rapport aux autres pour régler différentes hauteurs d'emprise, chacun des cylindres (2, 3) étant soutenu par un cylindre de soutien (4, 5), ainsi qu'au moins un système de coulissement axial pour un des cylindres (2, 3) et au moins un dispositif de cintrage comprenant un cylindre de cintrage (16) pour cintrer le cylindre (3) supérieur. Ce dispositif de laminage (1) se caractérise en ce que le dispositif de cintrage comprend aux deux extrémités du cylindre (3) supérieur des traverses (12) et des bras de cintrage (13), le cylindre (3) étant guidé par les bras de cintrage (13) pour le réglage de la hauteur d'emprise entre les cylindres (2, 3).

Claims (11)

  1. Dispositif de laminage (1) comprenant au moins un cylindre supérieur et un cylindre inférieur (2, 3) disposés contre une cage de laminoir commune (8), maintenus dans des paliers aptes à se déplacer en direction verticale l'un par rapport à l'autre pour le réglage d'écartements différents entre les cylindres et supportés respectivement par un cylindre de soutien (4, 5), comprenant au moins un dispositif de déplacement en direction axiale pour un des cylindres (2, 3) et comprenant au moins un dispositif de cintrage comprenant un cylindre de cintrage (16) pour le cintrage du cylindre supérieur (3), caractérisé en ce que le dispositif de cintrage comprend, aux deux extrémités du cylindre supérieur (3), respectivement des traverses transversales (12) et des bras de cintrage (13), le cylindre (3) étant guidé pour le réglage de l'écartement des cylindres entre les cylindres (2, 3) via les bras de cintrage (13).
  2. Dispositif de laminage (1) selon la revendication 1, caractérisé en ce que les bras de cintrage (13) sont insérés dans des évidements de la cage de laminoir (8) ou du support de cylindres.
  3. Dispositif de laminage (1) selon la revendication 2, caractérisé en ce que les bras de cintrage (13) sont guidés respectivement dans des moulures de guidage (11) qui sont appliquées par vissage contre la cage de laminoir.
  4. Dispositif de laminage (1) selon la revendication 2 ou 3, caractérisé en ce que les bras de cintrage (13) sont guidés dans la zone médiane des cages de laminoir ou des longerons de soutien des cylindres ou bien les enserrent.
  5. Dispositif de laminage (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le cylindre de soutien supérieur (5) est maintenu à ses extrémités respectivement dans une empoise de cylindre de soutien (10).
  6. Dispositif de laminage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les cylindres de cintrage (16) sont disposés respectivement, en position verticale par rapport à des bras de balancier (15) en direction du cylindre de soutien supérieur (5).
  7. Dispositif de laminage (1) selon la revendication 6, caractérisé en ce que les cylindres de cintrage (16) agissent sur les traverses transversales (12) qui sont guidées contre les bras de balancier (15) en direction du cylindre supérieur (5) et contre les moulures de guidage (11).
  8. Dispositif de laminage (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les bras de cintrage (13) sont liés de manière amovible dans les traverses transversales (12) ou les bras de balancier (15).
  9. Dispositif de laminage (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les cylindres de travail (2, 3) sont montés respectivement dans des empoises de cylindres de travail (19, 20) et en ce que les empoises des cylindres de travail supérieurs (20) sont sollicités respectivement via les bras de cintrage (13) en direction verticale, avec une force.
  10. Dispositif de laminage (1) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les cylindres de cintrage (16) faisant partie du cylindre de travail supérieur (3) sont disposés dans des épaisseurs inférieures (14) des bras de cintrage (13).
  11. Dispositif de laminage (1) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les cylindres de cintrage ou de balancier (17) attribués aux empoises (19) du cylindre de travail inférieur (2) sont disposés en position verticale dans des blocs inamovibles.
EP09778678A 2008-09-26 2009-09-22 Dispositif de laminage Active EP2342026B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008049179A DE102008049179A1 (de) 2008-09-26 2008-09-26 Walzvorrichtung
PCT/EP2009/006878 WO2010034481A2 (fr) 2008-09-26 2009-09-22 Dispositif de laminage

Publications (2)

Publication Number Publication Date
EP2342026A2 EP2342026A2 (fr) 2011-07-13
EP2342026B1 true EP2342026B1 (fr) 2012-07-04

Family

ID=41719809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09778678A Active EP2342026B1 (fr) 2008-09-26 2009-09-22 Dispositif de laminage

Country Status (16)

Country Link
US (1) US9308562B2 (fr)
EP (1) EP2342026B1 (fr)
JP (1) JP5449368B2 (fr)
KR (1) KR101268322B1 (fr)
CN (1) CN102164686B (fr)
AU (1) AU2009296153A1 (fr)
BR (1) BRPI0919254A2 (fr)
CA (1) CA2738713C (fr)
DE (1) DE102008049179A1 (fr)
MX (1) MX2011003226A (fr)
RU (1) RU2459676C1 (fr)
SA (1) SA109300577B1 (fr)
TW (1) TWI434739B (fr)
UA (1) UA98266C2 (fr)
WO (1) WO2010034481A2 (fr)
ZA (1) ZA201100850B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704079A (zh) * 2012-07-06 2012-10-03 常熟市天豪机械有限公司 纺织用弯辊
DE102020206123A1 (de) 2020-01-29 2021-07-29 Sms Group Gmbh Walzvorrichtung

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009902A1 (de) * 2008-02-19 2009-08-27 Sms Demag Ag Walzvorrichtung, insbesondere Schubwalzengerüst
TWI611910B (zh) 2015-12-01 2018-01-21 財團法人工業技術研究院 複合材料貼合裝置
DE102017215713A1 (de) * 2017-09-06 2019-03-07 Sms Group Gmbh Verfahren zum Betrieb einer walz- oder hüttentechnischen Anlage
CN108555031B (zh) * 2018-03-27 2019-11-29 北京首钢股份有限公司 一种精轧机入口导卫标高控制方法
IT201900000713A1 (it) 2019-01-17 2020-07-17 Danieli Off Mecc Sistema di bending e shifting per gabbie di laminazione
DE102021208149A1 (de) * 2021-07-28 2023-02-02 Sms Group Gmbh Verfahren und Anlage zum Warmwalzen von metallenem Walzgut

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
JPS601083B2 (ja) * 1977-05-17 1985-01-11 石川島播磨重工業株式会社 圧延機
SU806183A1 (ru) * 1978-08-28 1981-02-23 Предприятие П/Я А-7697 Устройство дл регулировани раствораи пРОфил ВАлКОВ лиСТОпРОКАТНОгОСТАНА
DE3529363A1 (de) * 1985-08-16 1987-02-19 Schloemann Siemag Ag Anstellvorrichtung fuer das achsparallele verschieben von walzen eines walzgeruestes
FR2611541B1 (fr) 1987-02-27 1994-04-29 Clecim Sa Dispositif de reglage du profil et de repartition d'usure de cylindres dans un laminoir a cylindres deplacables axialement
DE3815454A1 (de) 1988-05-06 1989-11-16 Schloemann Siemag Ag Biege- und ausbalanciervorrichtung fuer axial verschiebbare walzen eines walzgeruestes
DE3918242A1 (de) * 1989-06-05 1990-12-06 Schloemann Siemag Ag Vorrichtung zum distanzieren der walzen eines walzgeruests waehrend des walzenwechsels
FR2725389B1 (fr) * 1994-10-06 1996-12-27 Clecim Sa Installation de laminage
US5666845A (en) * 1996-01-23 1997-09-16 Tippins Incorporated Rolling mill
IT1288929B1 (it) * 1996-06-24 1998-09-25 Danieli Off Mecc Dispositivo per la movimentazione incrociata dei cilindri di laminazione
DE19807785C1 (de) * 1998-02-18 1999-03-04 Mannesmann Ag Biegevorrichtung für Vier- oder Mehrwalzengerüste
DE19840538A1 (de) * 1998-08-28 2000-03-09 Mannesmann Ag Walzgerüst mit gekreuzten Stütz- und/oder Arbeitswalzen
RU2171725C1 (ru) * 1999-12-20 2001-08-10 Дочернее предприятие "Нексус-Производственно-коммерческая компания" Прокатная клеть
DE10150690A1 (de) * 2001-10-17 2003-04-30 Sms Demag Ag Walzvorrichtung
DE50214899D1 (de) * 2001-12-12 2011-03-17 Sms Siemag Ag Einrichtung zur messung des walzspaltes zwischen arbeitswalzen eines kalt- oder warmwalzgerüstes
DE10243677A1 (de) * 2002-09-20 2004-04-01 Sms Demag Ag Reibungsarmes Biegesystem in einem Mehrwalzen-Walzgerüst
FR2846579B1 (fr) 2002-11-05 2006-05-05 Vai Clecim Procede pour elargir la gamme de production d'une installation de laminage de produits metalliques et installation pour la mise en oeuvre du procede
DE10334682A1 (de) * 2003-07-30 2005-02-17 Sms Demag Ag Walzvorrichtung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102704079A (zh) * 2012-07-06 2012-10-03 常熟市天豪机械有限公司 纺织用弯辊
DE102020206123A1 (de) 2020-01-29 2021-07-29 Sms Group Gmbh Walzvorrichtung
WO2021151571A1 (fr) 2020-01-29 2021-08-05 Sms Group Gmbh Dispositif de laminage
US11745234B2 (en) 2020-01-29 2023-09-05 Sms Group Gmbh Rolling device

Also Published As

Publication number Publication date
RU2459676C1 (ru) 2012-08-27
US20110239723A1 (en) 2011-10-06
DE102008049179A1 (de) 2010-04-01
MX2011003226A (es) 2011-04-21
JP2012503549A (ja) 2012-02-09
UA98266C2 (en) 2012-04-25
AU2009296153A1 (en) 2010-04-01
KR101268322B1 (ko) 2013-05-28
CA2738713A1 (fr) 2010-04-01
CN102164686B (zh) 2013-08-28
KR20110036860A (ko) 2011-04-11
TW201012562A (en) 2010-04-01
JP5449368B2 (ja) 2014-03-19
CA2738713C (fr) 2014-03-25
WO2010034481A2 (fr) 2010-04-01
BRPI0919254A2 (pt) 2015-12-15
CN102164686A (zh) 2011-08-24
SA109300577B1 (ar) 2014-01-20
TWI434739B (zh) 2014-04-21
US9308562B2 (en) 2016-04-12
EP2342026A2 (fr) 2011-07-13
ZA201100850B (en) 2011-09-28
WO2010034481A3 (fr) 2010-05-20

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