EP2121210A1 - Cage de laminage - Google Patents

Cage de laminage

Info

Publication number
EP2121210A1
EP2121210A1 EP07819320A EP07819320A EP2121210A1 EP 2121210 A1 EP2121210 A1 EP 2121210A1 EP 07819320 A EP07819320 A EP 07819320A EP 07819320 A EP07819320 A EP 07819320A EP 2121210 A1 EP2121210 A1 EP 2121210A1
Authority
EP
European Patent Office
Prior art keywords
rolling
guide
stand according
rolling stand
retaining strips
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
EP07819320A
Other languages
German (de)
English (en)
Other versions
EP2121210B1 (fr
Inventor
Michael Bohland
Juri Schulmeister
Markus Wagener
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 EP2121210A1 publication Critical patent/EP2121210A1/fr
Application granted granted Critical
Publication of EP2121210B1 publication Critical patent/EP2121210B1/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
    • 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
    • B21B39/165—Guides or guide rollers for rods, bars, rounds, tubes ; Aligning guides

Definitions

  • the invention relates to a roll stand with a number of rolls and with an inlet guide and / or a discharge guide, which is mounted in the rolling direction in front of or behind the nip on the roll stand and are in the direction perpendicular to the axis of the rolls and perpendicular to the rolling direction, in particular in the vertical direction, is arranged adjustable or are.
  • DE 101 16 988 A1 discloses a roll stand with means for raising or lowering the intermediate roll or work roll rails during roll change.
  • the roller rails are arranged on a guide, along which they can be moved in the vertical direction.
  • a similar solution is known from DE 1 940 414 A1.
  • inlet and outlet guides which are arranged adjustable on the frame in the vertical direction, must absorb operating forces in the horizontal direction. This is due to the purpose of the guides to guide the material to be rolled into the nip.
  • the inlet and outlet guides on an aligned at an acute angle to the rolling direction guide surface.
  • the invention is therefore the object of developing a generic rolling stand so that the degree of damage is reduced in case of accident. This is to ensure that no unwanted collision of the rolling stock with the inlet and outlet guides no longer considerable damage.
  • the solution of this problem by the invention is characterized in that the inlet guide and / or the outlet guide on the rolling mill defining fasteners have a predetermined breaking point.
  • the fastening means have at least one expansion screw.
  • the predetermined breaking point can be formed in this case as introduced into the expansion screw constriction.
  • the axis of the at least one expansion screw preferably has in the rolling direction.
  • a preferred embodiment of the invention provides that the fastening means have at least two retaining strips, which are perpendicular to the axis of the rolls and perpendicular to the rolling direction, d. H. extend in the vertical direction, and which are penetrated by the at least one expansion screw and braced by this. It can further be provided that at least two of the retaining strips seen in the rolling direction bear against bearing surfaces of a support member which is fixedly arranged on the rolling stand. Furthermore, it is advantageous if a third retaining strip is arranged between two retaining strips, which holds the two retaining strips at a distance.
  • connection between the or outlet guide and at least one of the retaining strips via a feather which extends partially in the retaining strip and partially in the inlet and outlet guide in the direction perpendicular to the axis of the rolls and perpendicular to the rolling direction, in particular in the vertical direction.
  • the inlet and outlet guides take in the embodiment of the invention in a collision no undue damage.
  • longer downtimes of the rolling mill can be avoided, as they are typical today in the accident.
  • collision-related repair costs are significantly reduced.
  • FIG. 3 is an enlarged view of the outlet guide in the right portion of Fig. 1, 4 shows the section AA of FIG. 3,
  • Fig. 5 shows the section B-B of FIG. 3 and
  • a rolling stand 1 of a rolling mill can be seen, which is constructed in a widely known manner.
  • the (working) rollers 2, 3 of the roll stand are shown in different vertical positions, i. H. with different roll gap 6 between the rollers 2, 3.
  • the axes 7 of the rollers 2, 3 are perpendicular to the plane of the drawing.
  • In the rolling direction W before and behind the rollers 2, 3 are in a conventional manner an inlet guide 4 and an outlet guide 5.
  • the two guides 4, 5 can be adjusted in the direction of the vertical V.
  • FIG. 1 corresponding to FIG. 1 can be seen in Fig. 2.
  • the outlet guide 4, 5 can be seen again and their guides on the sides to make them adjustable or movable in the direction of the vertical V.
  • a support member 16 is arranged in each case, which is formed as an elongated beam extending in the vertical direction V.
  • these support elements 16 are U-shaped comprising a plurality of retaining strips, which are connected to the guide 4, 5.
  • FIG. 3 Construction details can be seen in Fig. 3.
  • the outlet guide 5 is fastened to the rolling stand with the arrangement shown at the top in FIG. 3, wherein a displacement of the guide 5 in the vertical direction V is made possible.
  • the determination of the outlet guide 5 on the roll stand 1 is carried out by a number of fastening means 8. These are - s.
  • the detailed sectional views in Figures 4 to 6 - in the present case as a screw connection formed, wherein the fastening means 8 comprise a screw whose axis 10 extends in the rolling direction W.
  • the screw passes through three retaining strips 11, 12 and 13, which together form a U-shaped recess in which the carrier element 18 is arranged.
  • the retaining strip 11 (see Figures 4 to 6) is applied to a bearing surface 14 of the support member 16. Accordingly, the holding element 12 is located on an opposite support surface 15 on the carrier element 16.
  • the three retaining strips 11, 12, 13 together with the support member 16 is a linear guide for the outlet guide 5 for their movement in the vertical direction V.
  • bearing elements 17 between the retaining strips 11, 12 and the support element 16 is positioned.
  • Such bearing elements 17 are also provided between the retaining strips 11 and 12 and the roll stand 1, to ensure on all sides a low-wear storage.
  • a fixed connection between the outlet guide 5 and the retaining strip 13 is produced in the present case by a feather key 18, which is arranged both in a groove in the outlet guide 5 and in a groove in the retaining strip 13 (see FIGS. 4 and 5).
  • the connection itself is made by screws, which connect the retaining strip 13 with the outlet guide 5 (see Fig. 6).
  • the composite of retaining strips 11, 12, 13 and the support member 16 is made, and the tightening torque of the screws defines the bias of the storage.
  • the inlet guide 4 and the outlet guide 5 on the rolling stand 1 fixing fastener 8 have a predetermined breaking point 9.
  • the screws are designed as expansion screws, ie have a constriction 9, which represent a weakening of the cross section of the screw shaft. If there is an accident, ie abuts a slab or the like to the inlet or outlet guide 4, 5, the shock of the accident on the expansion bolts of the guide 4, 5 transmitted to the rolling mill 1.
  • the expansion bolts then represent predetermined breaking points, ie the bolt shank ruptures due to the impact. As a result, the form-fitting is canceled, with the guides 4, 5 are held on the rolling stand 1 in the mounted state.
  • constriction 9 By appropriate dimensioning of the constriction 9 can ensure that during normal operation, the forces on the guides 4, 5 are transmitted to the rolling mill 1, but that in the event of an accident tearing off of the screws takes place, so that it prevents the entire guide assembly and the rolling mill 1 itself is damaged by the accident.
  • the retaining strips 11, 12, 13 are simple and can be manufactured inexpensively. An exchange is possible if necessary in a simple manner. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP07819320A 2006-11-29 2007-10-25 Cage de laminage Active EP2121210B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006056317A DE102006056317A1 (de) 2006-11-29 2006-11-29 Walzgerüst
PCT/EP2007/009269 WO2008064751A1 (fr) 2006-11-29 2007-10-25 Cage de laminage

Publications (2)

Publication Number Publication Date
EP2121210A1 true EP2121210A1 (fr) 2009-11-25
EP2121210B1 EP2121210B1 (fr) 2011-08-31

Family

ID=38924814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07819320A Active EP2121210B1 (fr) 2006-11-29 2007-10-25 Cage de laminage

Country Status (10)

Country Link
US (1) US8302446B2 (fr)
EP (1) EP2121210B1 (fr)
JP (1) JP5137963B2 (fr)
CN (1) CN101541445B (fr)
AT (1) ATE522290T1 (fr)
DE (1) DE102006056317A1 (fr)
ES (1) ES2368614T3 (fr)
RU (1) RU2404002C1 (fr)
UA (1) UA91796C2 (fr)
WO (1) WO2008064751A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243677A1 (de) * 2002-09-20 2004-04-01 Sms Demag Ag Reibungsarmes Biegesystem in einem Mehrwalzen-Walzgerüst
CN107838201B (zh) * 2017-12-13 2023-12-12 江苏永钢集团有限公司 一种改进型滚动导卫装置
DE102020206297A1 (de) * 2019-09-19 2021-03-25 Sms Group Gmbh Zwischengerüstführung an einem Vertikalwalzgerüst einer Walzstraße sowie Verfahren zur Führung des Walzgutes unter Verwendung der Zwischengerüstführung
CN112828044A (zh) * 2020-12-29 2021-05-25 太原重工股份有限公司 二辊冷轧管机主轧机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2184118A (en) * 1937-05-22 1939-12-19 William J Glenn Guide for rolling mills and other machines
GB736896A (en) * 1952-04-02 1955-09-14 Sandvikens Jernverks Ab Guide device for a rolling mill
DE1602172A1 (de) * 1967-08-03 1970-03-05 Schloemann Ag Walzgeruest zum kontinuierlichen Walzen von Staeben und Draehten
GB1248927A (en) * 1968-08-09 1971-10-06 Davy & United Eng Co Ltd Rolling mills
DE2129337A1 (de) * 1971-06-12 1973-03-08 Otto Doepper Walzarmatur an der ein- oder auslaufseite von walzgeruesten
US4186570A (en) * 1978-05-11 1980-02-05 The Falk Corporation Shear pin coupling
JPS5843812U (ja) * 1981-09-12 1983-03-24 株式会社神戸製鋼所 圧延設備におけるサイドガイド
DE3838764A1 (de) * 1988-11-16 1990-05-17 Schloemann Siemag Ag Vorrichtung zur ein- bzw. ausfuehrung von walzgut, insbesondere formstahl zwischen die walzen von walzgeruesten
JP3420574B2 (ja) * 2001-02-13 2003-06-23 川崎重工業株式会社 圧延機の被圧延材ガイド装置
DE10116988B4 (de) 2001-04-05 2012-03-15 Sms Siemag Aktiengesellschaft Walzgerüst
CN2510184Y (zh) * 2001-10-11 2002-09-11 邯郸钢铁股份有限公司 轧钢机进口导向装置
DE102005039474A1 (de) * 2005-08-20 2007-02-22 Sms Demag Ag Walzanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008064751A1 *

Also Published As

Publication number Publication date
EP2121210B1 (fr) 2011-08-31
DE102006056317A1 (de) 2008-06-05
ATE522290T1 (de) 2011-09-15
RU2404002C1 (ru) 2010-11-20
CN101541445A (zh) 2009-09-23
WO2008064751A1 (fr) 2008-06-05
JP5137963B2 (ja) 2013-02-06
UA91796C2 (en) 2010-08-25
US20100071433A1 (en) 2010-03-25
CN101541445B (zh) 2011-05-25
JP2010510887A (ja) 2010-04-08
ES2368614T3 (es) 2011-11-18
US8302446B2 (en) 2012-11-06

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