EP1181114B1 - Dispositif de pliage pour les cylindres de travail d'une cage de laminoir a chaud - Google Patents

Dispositif de pliage pour les cylindres de travail d'une cage de laminoir a chaud Download PDF

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Publication number
EP1181114B1
EP1181114B1 EP00927155A EP00927155A EP1181114B1 EP 1181114 B1 EP1181114 B1 EP 1181114B1 EP 00927155 A EP00927155 A EP 00927155A EP 00927155 A EP00927155 A EP 00927155A EP 1181114 B1 EP1181114 B1 EP 1181114B1
Authority
EP
European Patent Office
Prior art keywords
hot
chocks
rolling stand
piston
guide members
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
EP00927155A
Other languages
German (de)
English (en)
Other versions
EP1181114A1 (fr
Inventor
Peter Sudau
Heinz-Adolf MÜLLER
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 EP1181114A1 publication Critical patent/EP1181114A1/fr
Application granted granted Critical
Publication of EP1181114B1 publication Critical patent/EP1181114B1/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
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • 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
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/106—Vertical displacement of rolls or roll chocks during horizontal roll changing

Definitions

  • the invention relates to stator windows of hot rolling stands Blocks with hydraulic piston-cylinder units provided as a bending device, the guide pieces on the chocks of the work rolls Are able to transmit bending forces.
  • DE 195 36 042 A1 discloses a guide device for four- or multi-roll Cold rolling stands, with a bending cylinder on each side of the chocks gets along. Axial displacement of the rollers is ensured that the bending blocks can be moved in the window guides fixed axial guides are arranged. Through these guides, the stand window severely constricted.
  • JP-A-59-153505 discloses a guide device for the work rolls of a cold rolling mill with a bending cylinder on each side of the chocks is provided. These bending cylinders work on swiveling Guide pieces, which build the bending blocks very strong, so that the Stand windows are constricted accordingly or accordingly large stand windows with the associated considerable application costs Find.
  • the invention is therefore based on the object, work roll bending devices to create the genus described above, which the be applied Are able to effect actuating forces with a piston-cylinder unit, and whose dimensions are so small that easy accommodation in the Stand window blocks to be provided and the free choice of Bearing of the backup rollers remains secured.
  • a spar 1 of a stand of a hot rolling stand has broken off shown, with a bending device shown as a vertical section 2 is provided.
  • the essential components of this bending device 2 are in a hollow cylindrical housing 3 is arranged.
  • a vertically movable Printing cylinder 4 contains in its upper, expanded, and guided in the housing 3 Area a piston 5, the piston rod 6 in the lower, also with smaller outer diameter executed area of the pressure cylinder 4 in a stamp sleeve 7 is guided, which in turn through wear surfaces 8th of the housing 3 is guided.
  • the piston rod 6 passes through a flange Stamp sleeve 7 and is supported on this by means of a pressure ring 9, while the end sleeve 11 held with an end plate 10 tensile forces of the piston rod 6 is able to transfer.
  • the end plate 10 is with a lateral one Provide recess of the stamp sleeve 7 engaging nose, which together with a bolt connected to it as an anti-rotation device for pistons 5 and Piston rod 6 is used.
  • the work rolls 16, 17 of the hot rolling stand designed as a four-high stand are stored in the chocks 18, 19 with bearings, not shown.
  • These chocks are equipped with laterally projecting lugs 20, 21, which engage in grooves 22, 23 of the guide pieces 12, 13 and via pressure plates 24 support themselves against their flanks.
  • the nose 21 is with another Pressure plate 25 equipped, on which the complete set of work rolls Switch is extendable.
  • the lug 20 of the chock 18 holds the guide piece 12 at a height assigned to the work roll 16 via its pressure plates 24 which are supported on the flanks of the groove 22, while the position of the work roll 17 over the lug 21 and the flanks of the groove 23 supporting pressure plates 24 determines the height of the guide piece 13.
  • the punch sleeve 7 and the piston rod 6 of the piston 5 are connected to the guide piece 13, while the guide piece 12 is screwed to the pressure cylinder 4. This means that the position of the piston 5 in the pressure cylinder 4 is determined by the position of the chocks 18 and 19.
  • the upper and / or the lower of the cylinder chambers formed in the pressure cylinder 4 are now pressurized and the surfaces of the double-acting piston 5 are accordingly acted upon.
  • the forces thus developed on the piston surfaces are supplied to the guide pieces 12, 13 which can be displaced vertically by the guide surfaces of the pressure cylinder 4 and the stamp sleeve 7 in the housing 3 and, via the lugs 20, 21, stress the chocks 18, 19 with the required pretension.
  • the work rolls 16, 17 are moved by the lifting rail 28 raised, the lower chock 19 with its on the nose 21st provided pressure plate 25 is supported on the lifting rail 28.
  • the bending device For the roll change, it is expedient and known to use parts of the bending device to fix in their intended position for the roll change in order after the roller has been extended, it can be adjusted again without further adjustment to be able to drive in.
  • the piston 30 In the exemplary embodiment, there is one in a recess of the spar 1 arranged hydraulic cylinder 29 is provided, the piston 30 is equipped with a centering pin 31. In the drawing this is Bolt shown in the locking position in which the piston 30 is pushed out and the bolt 31 in a recess of the guide piece 12, keeping it at a constant height, inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Metal Rolling (AREA)
  • Actuator (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (5)

  1. Cage de laminage à chaud avec des blocs disposés dans les ouvertures des montants, qui présentent des unités hydrauliques à vérins à piston prévues comme dispositifs de flexion, qui permettent la transmission des forces de flexion via des pièces de guidage pouvant être déplacées de manière linéaire sur des empoises des cylindres de travail, caractérisée en ce qu'on a prévu pour chaque bloc une unité hydraulique (4, 5) à vérin à piston à double action, dont les deux extrémités sont reliées aux pièces de guidage (12, 13) et en ce que les pièces de guidage (12, 13) agrippent des deux côtés avec une rainure de guidage (22, 23) permettant un déplacement axial des cylindres de travail (16, 17) les extrémités libres des talons (20, 21) des cylindres de travail.
  2. Cage de laminage à chaud avec des blocs disposés dans les ouvertures des montants selon la revendication 1, caractérisée en ce que le bloc est exécuté comme un bâti (3), qui est pourvu de surfaces d'appui pour les barres d'usure des empoises (18, 19) des cylindres de travail et en ce qu'on a prévu à l'intérieur du bâti (3), de manière verticalement déplaçable, le cylindre de pression (4) de l'unité à vérin à piston ainsi qu'un élément de transmission (manchon de piston 7) agrippant la tige (6) du piston.
  3. Cage de laminage à chaud avec des blocs disposés dans les ouvertures des montants selon la revendication 2, caractérisée en ce qu'une des pièces de guidage (12) est reliée au cylindre de pression (4) et la deuxième pièce de guidage (13) avec l'élément de transmission (manchon de piston 7).
  4. Cage de laminage à chaud avec des blocs disposés dans les ouvertures des montants selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les pièces de guidage (12, 13) s'appuient, avec leurs faces dos aux talons (20, 21) des empoises (18, 19), sur des plaques d'usure (14, 15) verticales fixes des montants.
  5. Cage de laminage à chaud avec des blocs disposés dans les ouvertures des montants selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'un dispositif d'ajustement est associé à la pièce de guidage supérieure (12), qui présente un boulon (31) pouvant être inséré dans un évidement de la pièce de guidage (12).
EP00927155A 1999-05-14 2000-05-06 Dispositif de pliage pour les cylindres de travail d'une cage de laminoir a chaud Expired - Lifetime EP1181114B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19922373A DE19922373A1 (de) 1999-05-14 1999-05-14 Biegevorrichtung für die Arbeitswalzen eines Warmwalzgerüstes
DE19922373 1999-05-14
PCT/EP2000/004075 WO2000069579A1 (fr) 1999-05-14 2000-05-06 Dispositif de pliage pour les cylindres de travail d'une cage de laminoir a chaud

Publications (2)

Publication Number Publication Date
EP1181114A1 EP1181114A1 (fr) 2002-02-27
EP1181114B1 true EP1181114B1 (fr) 2003-03-05

Family

ID=7908151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00927155A Expired - Lifetime EP1181114B1 (fr) 1999-05-14 2000-05-06 Dispositif de pliage pour les cylindres de travail d'une cage de laminoir a chaud

Country Status (14)

Country Link
US (1) US6993951B1 (fr)
EP (1) EP1181114B1 (fr)
JP (1) JP5170920B2 (fr)
KR (1) KR100626609B1 (fr)
CN (1) CN1142834C (fr)
AT (1) ATE233614T1 (fr)
AU (1) AU4562600A (fr)
BR (1) BR0010578A (fr)
CA (1) CA2373260C (fr)
DE (2) DE19922373A1 (fr)
EA (1) EA003224B1 (fr)
ES (1) ES2193955T3 (fr)
MX (1) MXPA01011655A (fr)
WO (1) WO2000069579A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10333883B3 (de) * 2003-07-25 2004-10-07 ACHENBACH BUSCHHüTTEN GMBH Biegevorrichtung für die Walzen eines Mehrwalzengerüstes

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW501954B (en) * 2000-06-30 2002-09-11 Sms Demag Ag Roll stand, especially a duo or quarto roll stand, comprising bending and balancing devices for axially displaceable rollers
DE10334682A1 (de) * 2003-07-30 2005-02-17 Sms Demag Ag Walzvorrichtung
CN1320968C (zh) * 2005-04-29 2007-06-13 中国第二重型机械集团公司 轧机弯辊串辊装置
EP1772203A1 (fr) * 2005-10-10 2007-04-11 VAI Industries (UK) Limited Dispositif pour le cintrage de cylindres
AT504208B1 (de) 2006-04-21 2008-04-15 Siemens Vai Metals Tech Gmbh Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes
DE102007001322A1 (de) * 2007-01-03 2008-07-10 Sms Demag Ag Führungsvorrichtung für die Einbaustücke von Arbeitswalzen
DE102009058876A1 (de) * 2009-01-23 2010-07-29 Sms Siemag Ag Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Walzgerüstes
ITMI20101502A1 (it) * 2010-08-05 2012-02-06 Danieli Off Mecc Sistema integrato di bending e shifting sotto carico per gabbie ad elevata apertura tra i rulli di lavoro
WO2012049183A1 (fr) 2010-10-12 2012-04-19 Sms Siemag Ag Cage de laminoir
CN104226690B (zh) * 2014-09-30 2017-07-28 中色科技股份有限公司 一种弯辊装置
CN106670236B (zh) * 2017-03-21 2018-07-13 北京京诚之星科技开发有限公司 板带轧机双重导向工作辊弯辊及平衡装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430410A (en) * 1943-03-27 1947-11-04 Carnegie Illinois Steel Corp Working pass control for rolling mills
EP0059417B1 (fr) * 1981-02-28 1985-01-02 Sms Schloemann-Siemag Aktiengesellschaft Cage de laminoir
JPS59153505A (ja) * 1983-02-22 1984-09-01 Ishikawajima Harima Heavy Ind Co Ltd 圧延機
JPS59185505A (ja) * 1983-04-05 1984-10-22 Ishikawajima Harima Heavy Ind Co Ltd 圧延機
DE3331055C2 (de) * 1983-08-29 1994-11-03 Schloemann Siemag Ag Walzgerüst mit axial verschieblichen Arbeitswalzen
DE3503756A1 (de) * 1984-03-13 1985-09-19 SMS Schloemann-Siemag AG, 4000 Düsseldorf Sechswalzengeruest
JPS6152914A (ja) * 1984-08-24 1986-03-15 Ishikawajima Harima Heavy Ind Co Ltd 圧延機
DE3529363A1 (de) * 1985-08-16 1987-02-19 Schloemann Siemag Ag Anstellvorrichtung fuer das achsparallele verschieben von walzen eines walzgeruestes
DE3638330A1 (de) * 1986-11-10 1988-05-19 Schloemann Siemag Ag Walzgeruest mit einer vorrichtung zum axialen verschieben von anstellbaren walzen
DE3728795A1 (de) * 1987-08-26 1989-03-09 Mannesmann Ag Walzgeruest mit arbeitswalzen
DE3843387A1 (de) * 1988-12-23 1990-07-05 Schloemann Siemag Ag Vorrichtung zum walzenwechsel insbesondere der horizontal verschieblichen arbeitswalzen in einem walzgeruest
DE4308743C2 (de) * 1993-03-19 2003-03-20 Sms Demag Ag Walzgerüst
DE4314472A1 (de) * 1993-05-03 1994-11-10 Schloemann Siemag Ag Biegeblock zum Biegen der Walzen von Mehrwalzen-Walzgerüsten
DE19536042A1 (de) * 1995-09-28 1997-04-03 Schloemann Siemag Ag Führungsvorrichtung für Vier- oder Mehrwalzengerüste

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10333883B3 (de) * 2003-07-25 2004-10-07 ACHENBACH BUSCHHüTTEN GMBH Biegevorrichtung für die Walzen eines Mehrwalzengerüstes
EP1500442A1 (fr) * 2003-07-25 2005-01-26 ACHENBACH BUSCHHÜTTEN GmbH Dispositif de cintrage pour les cylindres d'une cage de laminoir à plusieurs cylindres

Also Published As

Publication number Publication date
US6993951B1 (en) 2006-02-07
KR20020000884A (ko) 2002-01-05
MXPA01011655A (es) 2004-09-10
WO2000069579A8 (fr) 2003-12-11
AU4562600A (en) 2000-12-05
CA2373260A1 (fr) 2000-11-23
DE50001393D1 (de) 2003-04-10
WO2000069579A1 (fr) 2000-11-23
ATE233614T1 (de) 2003-03-15
EA003224B1 (ru) 2003-02-27
CN1350480A (zh) 2002-05-22
CA2373260C (fr) 2007-04-24
EP1181114A1 (fr) 2002-02-27
JP2002543986A (ja) 2002-12-24
EA200101202A1 (ru) 2002-08-29
BR0010578A (pt) 2002-02-19
DE19922373A1 (de) 2000-11-16
ES2193955T3 (es) 2003-11-16
JP5170920B2 (ja) 2013-03-27
KR100626609B1 (ko) 2006-09-22
CN1142834C (zh) 2004-03-24

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