EP2424686A1 - Cage réversible à dispositifs de guidage d'entrée et de sortie - Google Patents

Cage réversible à dispositifs de guidage d'entrée et de sortie

Info

Publication number
EP2424686A1
EP2424686A1 EP10718489A EP10718489A EP2424686A1 EP 2424686 A1 EP2424686 A1 EP 2424686A1 EP 10718489 A EP10718489 A EP 10718489A EP 10718489 A EP10718489 A EP 10718489A EP 2424686 A1 EP2424686 A1 EP 2424686A1
Authority
EP
European Patent Office
Prior art keywords
work roll
actuator
scraper
stand
reversing stand
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.)
Granted
Application number
EP10718489A
Other languages
German (de)
English (en)
Other versions
EP2424686B1 (fr
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/fr
Application granted granted Critical
Publication of EP2424686B1 publication Critical patent/EP2424686B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 Reversiergerüst, in particular Steckel Reversiergerüst, the at least one upper and one lower support roller and a respective associated upper and lower work roll with scaffolding inlet side and scaffold outlet side associated 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, owing to the rather large initial strip thickness of about 40 mm, there is no danger of rolling stock entering 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 multi-stand finishing line in tandem arrangement or in one or two scaffolds in Steckel type.
  • the opening band in the Reversing operation rolled out in several passes to finished product with an end strip thickness of up to approx. 1 mm.
  • finished scaffolds 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.
  • 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 which fulfills both the requirements for a "roughing stand lift" and for a "finishing stand operation".
  • the reversing stand according to the invention it is possible to use both press 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 during pre- and finishing stand operation.
  • 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 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 is arranged opposite to the upper work roll, and this scraper is adjustable or can be pressed against the work roll via a second actuator.
  • 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 , Thus, 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 swiveled 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. This makes it possible, according to the existing on-site connections, such as hydraulic connections, pneumatic connections or electrical connections, or a combination of all three according to the structural conditions, to choose an optimal actuator, which the space of the Work rolls affected as little as possible and ensures an optimal adjustment.
  • the upper guide on the reversing stand is rotatably arranged on connecting elements, on each of which one end of a lifting cylinder with clamping head and one end of a second pneumatic cylinder engages.
  • connecting elements on each of which one end of a lifting cylinder with clamping head and one end of a second pneumatic cylinder engages.
  • FIG. 1 is a schematic sectional view of a section through a partial area of a Steckel reversing stand, wherein the left partial representation of the rolling operation and the right partial representation represents a work roll change position,
  • FIG. 2 is a schematic representation of a partial view of a Steckel Reversiergerüstes in the rolling direction and in
  • Fig. 3 in schematic plan views in the left part of the image on an upper guide and in the right part of a lower guide in each case in their rolling operation position.
  • both the upper work roll 1 and the upper backup roll 2 and the lower work roll 3 and the lower backup roll 4 have contact with each other.
  • the upper scrapers 11 are located on the associated upper work roll 1 and the lower scrapers 13 on the associated Neten lower work roll 3 at.
  • 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 guided in lower vertical guides 9 and upper vertical guides 10 in the total designated 20 Steckel Reversiergerüst.
  • 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.
  • zenausbalancitation 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 in position-controlled manner in accordance with the current work roll and back-up roll diameters and locked by means of the clamping head integrated with the lifting cylinder 6.
  • the lower scrapers 13 are likewise pivotable about axes or pivot points 17, preferably cardanically, in the region of the associated lower work roll 3 on the reversing stand 20.
  • a fourth actuator 14 not shown, which is preferably a Walzbai- ken 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, two fourth actuators 14 are assigned, which are arranged symmetrically to the lower scraper 13 and on the one hand on the lower scraper 13 and on the other hand supported on reversing 20 or arranged thereon elements.
  • two symmetrically arranged lifting cylinders 6 are associated with each upper guide 8 and on both sides of each upper guide 8, these are each assigned a lower vertical guide 9 and an upper vertical guide 10 which cooperate with corresponding counter-elements 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 analogously 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 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 exposed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)

Abstract

L'invention concerne une cage réversible (20), en particulier une cage réversible Steckel (20), comportant au moins un cylindre de soutien supérieur (2) et un cylindre de soutien inférieur (4) ainsi qu'un cylindre de travail supérieur (1) et un cylindre de travail inférieur (3) associés aux cylindres de soutien. Dans la cage de laminoir, un dispositif de guidage supérieur (8), associé au cylindre de travail supérieur (1), est placé côté entrée et côté sortie de la cage, ledit dispositif de guidage supérieur étant relié à la cage de laminoir supérieure par l'intermédiaire d'un premier actionneur (6). En position d'écartement par rapport au dispositif de guidage supérieur (8), un racloir supérieur (11) monté rotatif, associé au cylindre de travail supérieur (1), est placé de façon à pouvoir être déplacé contre le cylindre de travail supérieur (1) au moyen d'un deuxième actionneur (12) placé sur le dispositif de guidage supérieur (8). Le dispositif de guidage supérieur (8) est maintenu coulissant dans des dispositifs de guidage verticaux inférieur et supérieur (9, 10), de manière à pouvoir être retiré du dispositif de guidage vertical inférieur (9) à l'aide du premier actionneur (6) et être pivoté vers l'extérieur en direction du cylindre de travail supérieur (1) associé au moyen d'un troisième actionneur (7). Dans la cage réversible (20), un racloir inférieur (13), associé au cylindre de travail inférieur (3), est également placé côté entrée et côté sortie de la cage, ledit racloir inférieur étant monté rotatif de façon à pouvoir être déplacé contre le cylindre de travail inférieur (3) associé à l'aide d'un quatrième actionneur (14).
EP10718489.7A 2009-04-30 2010-04-29 Cage réversible à dispositifs de guidage d'entrée et de sortie Active EP2424686B1 (fr)

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 (fr) 2009-04-30 2010-04-29 Cage réversible à dispositifs de guidage d'entrée et de sortie

Publications (2)

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

Family

ID=42813808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10718489.7A Active EP2424686B1 (fr) 2009-04-30 2010-04-29 Cage réversible à dispositifs de guidage d'entrée et de sortie

Country Status (10)

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

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 (fr) * 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010124863A1 *

Also Published As

Publication number Publication date
UA101112C2 (ru) 2013-02-25
CN102413956B (zh) 2015-02-25
WO2010124863A1 (fr) 2010-11-04
US20120042706A1 (en) 2012-02-23
RU2486020C1 (ru) 2013-06-27
KR20110123795A (ko) 2011-11-15
JP2012525259A (ja) 2012-10-22
EP2424686B1 (fr) 2014-02-12
DE102009060461A1 (de) 2010-11-04
KR101355409B1 (ko) 2014-01-27
RU2011148645A (ru) 2013-06-10
BRPI1009267A2 (pt) 2019-07-02
CN102413956A (zh) 2012-04-11

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