EP2139623B1 - Dispositif de laminage - Google Patents

Dispositif de laminage Download PDF

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Publication number
EP2139623B1
EP2139623B1 EP08715754A EP08715754A EP2139623B1 EP 2139623 B1 EP2139623 B1 EP 2139623B1 EP 08715754 A EP08715754 A EP 08715754A EP 08715754 A EP08715754 A EP 08715754A EP 2139623 B1 EP2139623 B1 EP 2139623B1
Authority
EP
European Patent Office
Prior art keywords
bending
rolling device
roll
axial
displacing means
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
EP08715754A
Other languages
German (de)
English (en)
Other versions
EP2139623A1 (fr
Inventor
Andreas Berendes
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
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Filing date
Publication date
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2139623A1 publication Critical patent/EP2139623A1/fr
Application granted granted Critical
Publication of EP2139623B1 publication Critical patent/EP2139623B1/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
    • 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

Definitions

  • the invention relates to a rolling device with at least two rollers, which are each mounted by means of roll chocks in a rolling mill, wherein the rollers are provided with Axialverschiebeschn for axial displacement in a displacement direction with which the rollers are brought relative to the rolling mill in a desired position and held there and wherein the rollers are in operative connection with bending means, with which they can be subjected to a bending moment.
  • a rolling device of this kind is for example from the WO 2005/011884 A1 known, in which two work rolls are located at a defined distance from one another form the rolling gap required for rolling, wherein the work rolls can be supported on support rolls or intermediate rolls.
  • a rolling device formed in this way can therefore be equipped with four or six rollers, wherein the individual rollers can be positioned relative to one another in the vertical direction to produce the desired roll gap.
  • the work rolls are arranged axially displaceable, whereby it is possible to achieve an influence of the strip profile in strip lines by a variable roll gap profile. Also in Vorstrassen the procedural possibility of axial displacement of the work rolls significance, on the one hand for the purpose of targeted Bandprofilbeeinlung, on the other hand to extend the roll travel through targeted wear distribution.
  • the work roll bending and shifting systems are housed in stationary blocks in which the adjusting means required for bending and balancing or axial displacement are arranged. These offer the advantage of fixed pressure medium supply lines, which do not have to be separated during the work roll change.
  • the necessary plunger are either arranged in stationary blocks, which leads disadvantageously to not negligible tilting moments in the axial displacement, or they are designed as with the axial displacement mitverschiebenden cartridges to better control the tilting moments or friction forces to be able to.
  • the negative influence of this frictional force increases with decreasing height of the vertical guides of the bending device.
  • the height of the guides is directly related to the roll diameter, ie for small roll diameters, the negative influence of the resulting frictional force is greater than for large roll diameters.
  • the invention is therefore based on the object, a rolling device of the type mentioned in such a way that eliminates the disadvantages mentioned or at least reduced, d. H. in particular that the intrinsic weight-related influences of the axial displacement means are reduced with regard to the frictional forces exerted on the guides of the bending means.
  • the axial displacement means are preferably arranged indirectly via a connecting frame on the rolling stand. They can be arranged with their second operative end in a locking block, which is arranged in the direction of displacement of the Axialverschiebesch movable in or on the bending means.
  • a further development provides that an effective in the direction of displacement of the Axialverschiebesch positive connection between the locking block and roll chock is made by the articulated connection in the form of a locking bolt.
  • the locking block may be mounted in or on the bending means at a location spaced from the first operative end by means of a guide.
  • the guide preferably has a link in which a bolt connected to the bending means is arranged.
  • the Axialverschiebesch preferably have a hydraulic piston-cylinder system.
  • the first and / or second action end of the axial displacement means may be slidably disposed on the Axialverschiebeschn and / or on the guide. This makes it possible in a simple manner to be able to adjust the pivot points with additional roll displacement in the horizontal rolling direction.
  • the generation of a torque in the guides of the bending device is minimized independently of the roll diameter or of the available overall height.
  • the above adverse consequences are reduced.
  • the control behavior of the bending device is improved.
  • a rolling device 1 - partially only partially - shown which is constructed in a conventional manner.
  • WO 2005/011884 A1 Reference is made, where closer Innformen to such a rolling device are included.
  • roll chocks 2 Two work rolls, not shown, are held by roll chocks 2, of which in Fig. 1 one is recognizable.
  • the roll chocks 2 are mounted in a roll stand (or roll stand) 3.
  • the work rolls axially displaced both in a direction of displacement x and applied to a bending moment can be.
  • known Axialverschiebesch 4 and bending means 5 are provided.
  • the Axialverschiebesch 4 have to force a hydraulic piston-cylinder system 16.
  • the Axialverschiebesch 4 have two effect ends 6 and 8, between which they can generate their displacement force in the direction x.
  • the first operative end 6 located on the right in the figures is fixed by means of an articulated connection 7 in the form of a bolt to a connecting frame 10, which in turn is fastened to the rolling stand 3.
  • the Axialverschiebesch 4 are also hinged articulated, by means of an articulated connection 9 in the form of a locking bolt.
  • the locking pin 9 is mounted in a locking block 11 so that upon displacement of the Axialverschiebesch 4, the locking block 11 is moved with.
  • the locking pin 9 passes through the locking block 11 (s. Fig. 1 ) and engages in a recess 12 which is incorporated in the roll chock 2. This has the consequence that upon a displacement of the axial displacement means 4, the movement is transmitted via the locking block 11 to the roll chock 2 and thus to the roll; the roller is then displaced axially in the displacement direction x.
  • a recess 17 is incorporated in the bending means 5, in which the Verriegefungsblock has 11 place and is movable in the displacement direction x.
  • a guide 13 is accommodated, which is mounted with its one end (left in the figures) by means of a link 14 and a bolt 15 which is fixed in the bending means 5.
  • the scenery 14 is - as in Fig. 2 can be seen - designed as a in the direction of displacement x extending groove.
  • the bolt 15 supports the guide 13 at its one end.
  • the bending means 5 move in vertical direction V on vertical guides 18 up and down (s. Fig. 1 ), only a partial weight of the Axialverschiebesch 4 loads on them and only with a relatively short lever arm r (s. Fig. 1 ).
  • the weight of the Axialverschiebesch 4 can thus cause only a very small torque in the vertical guides 18 of the bending device 5, which is also ensured by the fact that the effective weight is balanced by the bearing in the pivot.
  • the bending means 5 and the axial displacement means 4 are arranged separately from one another.
  • the bending means remain - compared with previously known solutions - largely unchanged in their function and mechanical design of the components.
  • the guides 13 are mounted in which the locking block 11 is running.
  • the tool chocks 2 are coupled to the Axialverschiebeschn 4.
  • the guides 13 are based on the running in the gate 14 bolt 15 on the bending means 5 from.
  • a corresponding displacement of the pivot fulcrums can be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Metal Rolling (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Actuator (AREA)

Abstract

L'invention concerne un dispositif de laminage (1) comprenant au moins deux cylindres, qui sont montés respectivement dans une cage de laminoir (3) grâce à des pièces d'insertion de cylindres (2), les cylindres étant munis de moyens de déplacement axiaux (4) pour le déplacement axial dans une direction de déplacement (x), avec lesquels les cylindres sont amenés dans une position souhaitée par rapport à la cage de laminoir (3) et peuvent y être maintenus, et les cylindres étant en liaison fonctionnelle avec des moyens de cintrage (5), avec lesquels ils peuvent être soumis à un couple de flexion. Pour maintenir les pertes de force de flexion les plus faibles possibles par suite du poids des moyens de déplacement axiaux, l'invention prévoit que les moyens de déplacement axiaux sont agencés de manière directe ou indirecte grâce à une liaison articulée (7) au niveau de la cage de laminoir (3) par une première extrémité active (6) et sont agencés au niveau d'une pièce d'insertion de cylindre (2) grâce à une liaison articulée (9) par une seconde extrémité active (8).

Claims (10)

  1. Dispositif de laminage (1) comprenant au moins de cylindres qui sont montés au moyen d'empoises de cylindres (2) dans une cage de laminoir (3),
    dans lequel les cylindres sont munis de moyens de déplacement axial (4) pour le déplacement axial dans une direction de déplacement (x), avec lesquels les cylindres peuvent être amenés dans une position désirée par rapport à la cage de laminoir (3) et y être maintenus ; et
    dans lequel les cylindres sont mis en liaison opérante avec des moyens de cintrage (5) avec lesquels ils peuvent être sollicités avec un moment de flexion ;
    caractérisé en ce que les moyens de déplacement axial (4) sont disposés avec une première extrémité opérante (6) directement ou indirectement au moyen d'une liaison articulée contre la cage de laminoir, et sont disposés, avec une deuxième extrémité opérante (8) au moyen d'une liaison articulée (9) contre l'empoise de cylindre (2).
  2. Dispositif de laminage selon la revendication 1, caractérisé en ce que les moyens de déplacement axial (4) sont disposés indirectement via un cadre de liaison (10) contre la cage de laminoir (3).
  3. Dispositif de laminage selon la revendication 1 ou 2, caractérisé en ce que les moyens de déplacement axial (4) sont disposés avec leur deuxième extrémité opérante (8) dans un bloc de verrouillage (11) qui est disposé dans ou contre les moyens de cintrage (5) en mobilité dans la direction de déplacement (x) des moyens de déplacement axial (4).
  4. Dispositif de laminage selon la revendication 3, caractérisé en ce qu'une liaison par complémentarité de forme active dans la direction de déplacement (x) des moyens de déplacement axial (4) est réalisée entre le bloc de verrouillage (11) et l'empoise de cylindre (2) via la liaison articulée (9) sous la forme d'un boulon de verrouillage.
  5. Dispositif de laminage selon la revendication 4, caractérisé en ce qu'au moins un évidement (12) dont la forme correspond à celle du boulon de verrouillage (9) est inséré dans l'empoise de cylindre (2).
  6. Dispositif de laminage selon l'une quelconque des revendications 3 à 5, caractérisé en ce que le bloc de verrouillage (11) est monté au moyen d'un guidage (13) dans ou contre les moyens de cintrage (5) à un endroit situé à distance de la première extrémité opérante (6)
  7. Dispositif de laminage selon la revendication 6, caractérisé en ce que le guidage présente une coulisse (14) dans laquelle vient se disposer un boulon (15) relié aux moyens de cintrage (5).
  8. Dispositif de laminage selon la revendication 7, caractérisé en ce que la coulisse (14) est réalisée sous la forme d'un évidement en forme de rainure s'étendant dans la direction de déplacement (x) des moyens de déplacement axial (4).
  9. Dispositif de laminage selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les moyens de déplacement axial (4) présentent un système hydraulique (16) du type à piston-cylindre.
  10. Dispositif de laminage selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la première et/ou la deuxième extrémité opérante (6, 8) des moyens de déplacement axial (4) sont disposées en mobilité contre les moyens de déplacement axial (4) et/ou contre le guidage (13).
EP08715754A 2007-03-15 2008-02-14 Dispositif de laminage Active EP2139623B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007012430 2007-03-15
DE102007042896A DE102007042896A1 (de) 2007-03-15 2007-09-08 Walzvorrichtung
PCT/EP2008/001102 WO2008110243A1 (fr) 2007-03-15 2008-02-14 Dispositif de laminage

Publications (2)

Publication Number Publication Date
EP2139623A1 EP2139623A1 (fr) 2010-01-06
EP2139623B1 true EP2139623B1 (fr) 2012-08-01

Family

ID=39688365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715754A Active EP2139623B1 (fr) 2007-03-15 2008-02-14 Dispositif de laminage

Country Status (11)

Country Link
US (1) US8276422B2 (fr)
EP (1) EP2139623B1 (fr)
JP (1) JP5165001B2 (fr)
KR (1) KR101130611B1 (fr)
CN (1) CN101674899B (fr)
BR (1) BRPI0808923B8 (fr)
CA (1) CA2673740A1 (fr)
DE (1) DE102007042896A1 (fr)
ES (1) ES2388692T3 (fr)
RU (1) RU2400319C1 (fr)
WO (1) WO2008110243A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032522A1 (de) * 2008-07-10 2010-01-14 Sms Siemag Aktiengesellschaft Walzvorrichtung mit Verstellvorrichtung

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE635930A (fr) * 1962-08-09
US3943742A (en) 1973-08-24 1976-03-16 Hitachi, Ltd. Rolling mill
JPS59130607A (ja) * 1983-01-14 1984-07-27 Hitachi Ltd 圧延機
DE3521180C2 (de) * 1985-02-08 1994-12-01 Schloemann Siemag Ag Vorrichtung zum axialen Verschieben von Walzen in Walzgerüsten
JPS61206510A (ja) * 1985-03-08 1986-09-12 Hitachi Ltd 圧延機
DE3603693A1 (de) 1986-02-06 1987-08-13 Schloemann Siemag Ag Vorrichtung zum axialen verschieben der arbeitswalzen eines walzgeruestes zum walzen von flachmaterial
DE3722054A1 (de) * 1987-07-03 1989-01-12 Schloemann Siemag Ag Vorrichtung zum axialen verschieben von walzen in warm- und kaltwalzwerken
DE3802813A1 (de) 1988-01-30 1989-08-03 Schloemann Siemag Ag Walzgeruest mit verschiebeeinrichtung
DE3807628C2 (de) 1988-03-09 1995-11-16 Schloemann Siemag Ag Walzgerüst mit Verschiebeeinrichtung
DE3827018A1 (de) * 1988-08-05 1990-02-08 Mannesmann Ag Vorrichtung zur axialfuehrung der walzen von walgeruesten zur herstellung von profilstahl
JP2693972B2 (ja) * 1988-09-02 1997-12-24 株式会社日立製作所 圧延機のロールシフト装置
CN2122010U (zh) * 1992-03-04 1992-11-18 冶金工业部北京钢铁设计研究总院 轧机轧辊轴向调节装置
IT1280192B1 (it) * 1995-06-26 1998-01-05 Danieli Off Mecc Dispositivo di traslazione assiale per cilindri di laminazione e procedimento di traslazione assiale con spostamento di incrocio dei
IT1288878B1 (it) * 1996-04-19 1998-09-25 Danieli Off Mecc Dispositivo di movimentazione cilindri in una gabbia di laminazione a quarto per lamiere e/o larghi piatti
US5752404A (en) 1996-12-17 1998-05-19 Tippins Incorporated Roll shifting system for rolling mills
US5924319A (en) * 1998-07-07 1999-07-20 Danieli United Roll crossing, offsetting, bending and shifting system for rolling mills
IT1315121B1 (it) * 2000-09-25 2003-02-03 Danieli Off Mecc Dispositivo per assorbire i carichi assiali generati sui cilindri diuna gabbia di laminazione
IT1315118B1 (it) * 2000-09-25 2003-02-03 Danieli Off Mecc Dispositivo di variazione posizionamento cilindri di laminazione perprodotti piani.
JP3641451B2 (ja) * 2001-10-15 2005-04-20 川崎重工業株式会社 圧延方法および圧延機
DE10334682A1 (de) * 2003-07-30 2005-02-17 Sms Demag Ag Walzvorrichtung
DE10334727A1 (de) 2003-07-30 2005-02-24 Sms Demag Ag Walzvorrichtung

Also Published As

Publication number Publication date
ES2388692T3 (es) 2012-10-17
CN101674899B (zh) 2012-02-22
CA2673740A1 (fr) 2008-09-18
BRPI0808923A2 (pt) 2015-09-01
US8276422B2 (en) 2012-10-02
WO2008110243A1 (fr) 2008-09-18
DE102007042896A1 (de) 2008-09-18
RU2400319C1 (ru) 2010-09-27
JP5165001B2 (ja) 2013-03-21
KR20090091231A (ko) 2009-08-26
EP2139623A1 (fr) 2010-01-06
JP2010520813A (ja) 2010-06-17
US20100024506A1 (en) 2010-02-04
BRPI0808923B8 (pt) 2019-07-30
KR101130611B1 (ko) 2012-04-02
CN101674899A (zh) 2010-03-17

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