EP2424686B1 - Reversiergerüst mit ein- und auslaufführungen - Google Patents

Reversiergerüst mit ein- und auslaufführungen Download PDF

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Publication number
EP2424686B1
EP2424686B1 EP10718489.7A EP10718489A EP2424686B1 EP 2424686 B1 EP2424686 B1 EP 2424686B1 EP 10718489 A EP10718489 A EP 10718489A EP 2424686 B1 EP2424686 B1 EP 2424686B1
Authority
EP
European Patent Office
Prior art keywords
stand
setting element
reversing
working roll
roll
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
EP10718489.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2424686A1 (de
Inventor
Stephan Fischer
Armin Blach
Eberhard Becker
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 EP2424686A1 publication Critical patent/EP2424686A1/de
Application granted granted Critical
Publication of EP2424686B1 publication Critical patent/EP2424686B1/de
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
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
    • 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
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/14—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel in a non-continuous process, i.e. at least one reversing stand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • 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 reversing stand, in particular Steckel reversing stand, the at least one upper and one lower support roller and a respective associated upper and lower work roll with scaffold inlet side and scaffolding outlet side associated with these upper guides.
  • Roll bars are also installed in the lower work roll chocks. However, these are not in contact with lower guides, both top and bottom in such a reversing stand no contact between roll bar and work rolls. This is also not necessary, since due to the rather large minimum pre-strip thickness of about 40 mm, there is no danger that rolled material will enter the gap between the work rolls and the rolling beam.
  • the pre-wall thicknesses are then rolled from approx. 40 mm to an end strip thickness of up to approx. 1 mm. This is done either in a multistage Prefabricated road in tandem arrangement or in one or two scaffolds in Steckel design.
  • the pre-strip is rolled in reverse operation in several passes to finished product with a final strip thickness of up to approx. 1 mm.
  • Such finishing stands usually arranged on the upper inlet and outlet guides upper scraper and the work rolls also associated lower scrapers, which are also provided both scaffold inlet side and scaffold outlet side, a permanent contact with the respectively associated upper or lower work roll.
  • a rolling stand with a arranged on levers and a stripper associated scraper which can be adjusted by means of a connected to the upper portion of the rolling mill first actuator against the work roll and by means of a second actuator from the region of the roller, discloses the DE 10 31 251 B .
  • a rolling mill is known in which a scraper arranged on the rolling stand is pivotally mounted by means of a first, attached to a frame arranged on the rolling frame actuator.
  • the DE 102 10 576 A1 discloses a between two groups of rolls of a multi-row rolling mill, arranged by means of a first actuator pivotally mounted on the associated rolling stand scraper.
  • a Steckel Reversiergerüst with a by means of an actuator pivotally arranged on the rolling stand scraper known.
  • the invention has for its object to provide a solution that makes it possible to use a Reversiergerüst both as Vorgerüst as well as ready scaffold.
  • the invention provides a reversing device that meets both the requirements for a "roughing operation” and for a “finishing stand operation”.
  • the reversing stand according to the invention it is possible to press both the upper and lower scrapers to the respective associated work roll as well as to pivot away the upper and lower guides for roll change can.
  • Steckel reversing stands can be equipped in such a way that they can roll out slabs with a thickness of approx. 250 mm in reversing operation to a finished product with a final strip thickness of approx. 1 mm in pre- and finishing stand mode.
  • the upper guide is connected to an actuator via a coupling with the upper Stauerwalzenausbalanci für assupra and thus guided displaceably from the lower vertical guide and pulled out. This allows a simple mechanism push out the upper guides from the work area of the work rolls and thus release the upper work roll chocks.
  • Clamps, ball heads and universal joints or simply movable screw connections are preferably used here as couplings.
  • a further embodiment of the invention provides that an arranged third actuator for adjusting the upper guide connects to the frame or is attached to the Stauerwalzenausbalanci für assupra.
  • This optimal mounting of the upper guides is selected depending on the available space, which is easily accessible and easy to assemble and disassemble especially in the course of possible maintenance or repair work.
  • a further embodiment of the invention provides that an upper scraper with respect to the upper work roll is arranged, and this scraper via a second actuator against the work roll can be adjusted or pressed.
  • the arranged second actuator ensures that the scraper always has uniform contact with the upper work roll over its entire length. The wear on the scraper tips is then preferably compensated by the continuous pressing of the scraper against the work roll of the second actuator.
  • a further embodiment of the invention provides that a lower scraper with a fourth actuator is arranged so that the scraper is pressed by the actuator against the work roll or moved away from the work roll and thus can be swung out of the input or removal area of the work rolls ,
  • the space for the work rolls is freely accessible without major assembly work on the arranged scrapers are necessary.
  • Both scrapers are now out of the outer contours of the work roll chocks and release them for work roll change.
  • the arrangement of the scrapers can be provided in a particular embodiment of the invention so that the pivoting away of the scraper up or / and down is effected. This allows a flexible adaptation to the available space.
  • the embodiment of the invention described above is favored by the fact that the upper and lower scrapers are mounted gimbal. With this type of storage a swing away in any direction is possible.
  • the upper and lower scrapers can be swung out of the working area of the work roll chocks.
  • the actuators are designed as a lifting cylinder in the form of a hydraulic cylinder or pneumatic cylinder, or in the form of a driven spindle.
  • the upper guide is rotatably arranged on the reversing stand on connecting elements, on each of which engages an end of a lifting cylinder with clamping head and one end of a second pneumatic cylinder.
  • connecting elements on each of which engages an end of a lifting cylinder with clamping head and one end of a second pneumatic cylinder.
  • both the upper work roll and the upper backup roll 2 and the lower work roll 3 and the lower backup roll 4 are in contact with each other.
  • the upper scrapers 11 bear against the associated upper work roll 1 and the lower scrapers 13 against the associated lower work roll 3.
  • Held the upper scraper 11 each in an upper guide 8, which is connected via a first actuator 6, for example a lifting cylinder with clamping head with an upper Stützwalzenausbalancitation 5.
  • the upper guide 8 is designated in lower vertical guides 9 and upper vertical guides 10 in the total of 20 Stecket Reversiergerüst out.
  • the upper scrapers 11 are rotatable, integrated in particular by means of cardan suspension in the upper guide 8 and hinged thereto relative to this pivotally.
  • a second actuator 12 for example a pneumatic cylinder, which is arranged on the upper guide 8, the respective upper scraper 11 can be pressed against the upper work roll 1.
  • the axis of rotation 16, about which the upper scraper 11 is pivotable, is arranged and positioned such that the tip of the upper scraper 11 over the entire length of the scraper 11 in contact with the upper work roll 1 can be brought.
  • the on this longitudinal edge of the upper scraper 11 adjusting wear is compensated by the continuous adjustment by means of the second actuator 12.
  • the first clamped-head actuator 6, pivotally mounted on the upper backup roll balance 5, is coupled thereto at the upper end of the upper guide 8 and is locked in the rolling operating position shown in the left-hand part of Fig. 1 so as to provide a rigid connection between the upper backup roll balance 5 and the upper guide 8 forms. All necessary or resulting changes in the height of the nip 15 are moved in the rolling operation by means of the locked upper guides 8 on the upper Stauerwalzenausbalanci réelle 5.
  • the strokes of the first actuators 6 are adjusted positionally controlled according to the current work roll and back-up roll diameter and locked by means of the integrated with the lifting cylinder 6 clamping head.
  • the lower scrapers 13 are also pivotable about axes or pivot points 17, preferably gimbal, arranged in the region of the associated lower work roll 3 on the reversing stand 20.
  • a fourth actuator 14 not shown, preferably a rolling beam upstream lower scraper 13 is pressed to adapt the upper scraper 11 in an analogous manner to the lower work roll 3.
  • each lower scraper 13 is associated with two fourth actuators 14, which are arranged symmetrically with respect to the lower scraper 13 and on the one hand rest against the lower scraper 13 and on the other hand against the reversing scaffold 20 or elements arranged thereon.
  • each symmetrically arranged lifting cylinder 6 is associated with each upper guide 8 and is on either side of each upper guide 8, each associated with a lower vertical guide 9 and an upper vertical guide 10, which cooperate with corresponding counter-elements which are arranged on the reversing stand 20.
  • the respective upper guide 8 On a connecting element 19 which is fastened to the lifting cylinder 6, the respective upper guide 8 is pivotable about an axis 21 with a third actuator 7, likewise pivotably mounted on the connecting element 19 about an axis 22, the other end of the actuator 7 is pivotally mounted about an axis 23 at a distance from the connecting part 19 portion of the respective upper guide 8.
  • Each upper guide 8 is thus associated with a number of third actuators 7 analogous to the number of first actuators 6. In the exemplary embodiment, these are two hydraulic cylinders.
  • Both the upper scrapers 11 and the lower scrapers 13 pivot outwardly in the direction away from the work rolls 1 and 2. After the lower scrapers 13 have reached their Häwalzen AC thoroughlysposition is Subsequently, the lower support roller 4 is lowered so far until the lower work roll 3 rests on the Häwalzenausfahrschienen 18 in the reversing stand 20. Upon further lowering of the lower support roller 4 then lose the lower work roll 3 and the lower support roller 4 contact each other, so that now the lower work roll 3 can be replaced.
  • both the upper scrapers 11 and the lower scrapers 13 are so far outside the outer contours of the work roll chocks or work roll chocks that they are now released for the work roll change and are exposed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
EP10718489.7A 2009-04-30 2010-04-29 Reversiergerüst mit ein- und auslaufführungen Active EP2424686B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009019333 2009-04-30
DE102009060461A DE102009060461A1 (de) 2009-04-30 2009-12-24 Reversiergerüst mit Ein- und Auslaufführungen
PCT/EP2010/002630 WO2010124863A1 (de) 2009-04-30 2010-04-29 Reversiergerüst mit ein- und auslaufführungen

Publications (2)

Publication Number Publication Date
EP2424686A1 EP2424686A1 (de) 2012-03-07
EP2424686B1 true EP2424686B1 (de) 2014-02-12

Family

ID=42813808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10718489.7A Active EP2424686B1 (de) 2009-04-30 2010-04-29 Reversiergerüst mit ein- und auslaufführungen

Country Status (10)

Country Link
US (1) US20120042706A1 (enrdf_load_stackoverflow)
EP (1) EP2424686B1 (enrdf_load_stackoverflow)
JP (1) JP2012525259A (enrdf_load_stackoverflow)
KR (1) KR101355409B1 (enrdf_load_stackoverflow)
CN (1) CN102413956B (enrdf_load_stackoverflow)
BR (1) BRPI1009267A2 (enrdf_load_stackoverflow)
DE (1) DE102009060461A1 (enrdf_load_stackoverflow)
RU (1) RU2486020C1 (enrdf_load_stackoverflow)
UA (1) UA101112C2 (enrdf_load_stackoverflow)
WO (1) WO2010124863A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101455104B1 (ko) * 2012-11-28 2014-10-27 현대제철 주식회사 압연기용 스트리퍼장치
CN110355212B (zh) * 2018-03-26 2020-10-27 宝山钢铁股份有限公司 一种轧机自动停机装置、控制系统及控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1994691A (en) * 1933-10-19 1935-03-19 American Sheet & Tin Plate Apparatus for cleaning metal working rolls
DE1031251B (de) * 1956-10-24 1958-06-04 Siemag Siegener Masch Bau Verstellbare Fuehrungsvorrichtung fuer das Walzgut an Walzgeruesten
JPS5881509A (ja) * 1981-11-11 1983-05-16 Hitachi Ltd 圧延機のガイド装置
SU1349816A1 (ru) * 1984-01-04 1987-11-07 Днепропетровский Металлургический Институт Им.Л.И.Брежнева Клеть периодической прокатки
JPS61111606U (enrdf_load_stackoverflow) * 1984-12-26 1986-07-15
US4906335A (en) * 1987-06-08 1990-03-06 Thermo Electron Web System, Inc. Doctoring apparatus
US4972780A (en) * 1988-02-08 1990-11-27 Baldwin Technology Corp. Printing press blanket cleaner
US5637249A (en) * 1994-07-01 1997-06-10 Ipsco Enterprises Inc. Steckel mill coiler furnace incorporating heated pinch rolls
DE19514475A1 (de) * 1995-04-19 1996-10-24 Schloemann Siemag Ag Steckel-Walzwerk
JP2001179323A (ja) * 1999-12-21 2001-07-03 Hitachi Ltd 上反り防止装置及び上反り防止方法
ITTO20000010A1 (it) * 2000-01-07 2001-07-07 Quercetti Alessandro & Co Giunto cardanico per sistemi di costruzioni statiche o dinamiche ad incastro.
JP4135351B2 (ja) * 2001-10-12 2008-08-20 株式会社日立製作所 多列圧延機及びその使用方法並びに圧延設備
CN2772659Y (zh) * 2004-11-23 2006-04-19 中色科技股份有限公司 热轧辊径自适应导卫装置

Also Published As

Publication number Publication date
EP2424686A1 (de) 2012-03-07
RU2011148645A (ru) 2013-06-10
US20120042706A1 (en) 2012-02-23
BRPI1009267A2 (pt) 2019-07-02
KR20110123795A (ko) 2011-11-15
DE102009060461A1 (de) 2010-11-04
CN102413956B (zh) 2015-02-25
CN102413956A (zh) 2012-04-11
WO2010124863A1 (de) 2010-11-04
RU2486020C1 (ru) 2013-06-27
KR101355409B1 (ko) 2014-01-27
UA101112C2 (ru) 2013-02-25
JP2012525259A (ja) 2012-10-22

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