EP2139623A1 - Roller device - Google Patents
Roller deviceInfo
- Publication number
- EP2139623A1 EP2139623A1 EP08715754A EP08715754A EP2139623A1 EP 2139623 A1 EP2139623 A1 EP 2139623A1 EP 08715754 A EP08715754 A EP 08715754A EP 08715754 A EP08715754 A EP 08715754A EP 2139623 A1 EP2139623 A1 EP 2139623A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolling device
- bending
- rollers
- roll
- axialverschiebemittel
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 45
- 238000005452 bending Methods 0.000 claims abstract description 38
- 238000005096 rolling process Methods 0.000 claims description 30
- 230000002411 adverse Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013000 roll bending Methods 0.000 description 1
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 stand, 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 known, for example, from WO 2005/011884 A1, in which two work rolls, which are located at a defined distance from one another, form the roll 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 pre-lanes, the procedural possibility of axial displacement of the work rolls has significance, on the one hand for the purpose of targeted strip profile influencing, on the other hand for the extension of the roll travel through targeted wear distribution.
- the rolling device As described in WO 2005/011884 A1, is that there are means for bending or balancing the work rolls. As a result of this, a bending moment can be introduced into the work rolls, which has procedural advantages.
- the work roll bending and displacing systems are housed in fixed blocks in which the adjusting means required for bending and balancing or axial displacement are arranged. These offer the advantage of fixed pressure medium feed lines, which do not have to be separated when changing work rolls.
- 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 the disadvantages mentioned eliminated or at least reduced, that in particular the self-weight influences of the Axialverschiebesch be reduced in terms of the force exerted on the guides of the bending means frictional forces.
- 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 positive locking connection between the locking block and the roll chock in the direction of displacement of the axial displacement means is produced by the articulated connection in the form of a locking bolt.
- at least one recess congruent with the shape of the locking bolt can be incorporated in the roll chock.
- 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 gate is advantageously designed as a groove-shaped recess extending in the direction of displacement of the axial sliding means.
- 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 diameter of the roller or the available overall height. As a result, the above adverse consequences are reduced. In particular, the control behavior of the bending device is improved.
- Fig. 2 shows the section A-A of FIG. 1, wherein the bending means are not shown.
- a rolling device 1 - partially only partially - shown which is constructed in a conventional manner.
- roll chocks 2 Two work rolls, not shown, are held by roll chocks 2, one of which can be seen in FIG.
- the roll chocks 2 are mounted in a roll stand (or roll stand) 3.
- the work rolls are axially displaced both in a direction of displacement x and acted upon by 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 axial displacement means 4 have two ends 6 and 8, between which they can generate their displacement force in the displacement 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 axial displacement means 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 bolt 9 passes through the locking block 11 (see 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 locking block 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 gate 14 is - as shown in Fig. 2 can be seen - designed as an extending in the direction of displacement x groove.
- the bolt 15 supports the guide 13 at its one end. If the bending means 5 move up and down in the vertical direction V on vertical guides 18 (see Fig.
- 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 ingot pieces 2 are coupled to the axial displacement means 4 via the locking block 11.
- 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)
- Actuator (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007012430 | 2007-03-15 | ||
DE102007042896A DE102007042896A1 (en) | 2007-03-15 | 2007-09-08 | rolling device |
PCT/EP2008/001102 WO2008110243A1 (en) | 2007-03-15 | 2008-02-14 | Roller device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2139623A1 true EP2139623A1 (en) | 2010-01-06 |
EP2139623B1 EP2139623B1 (en) | 2012-08-01 |
Family
ID=39688365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08715754A Active EP2139623B1 (en) | 2007-03-15 | 2008-02-14 | Roller device |
Country Status (11)
Country | Link |
---|---|
US (1) | US8276422B2 (en) |
EP (1) | EP2139623B1 (en) |
JP (1) | JP5165001B2 (en) |
KR (1) | KR101130611B1 (en) |
CN (1) | CN101674899B (en) |
BR (1) | BRPI0808923B8 (en) |
CA (1) | CA2673740A1 (en) |
DE (1) | DE102007042896A1 (en) |
ES (1) | ES2388692T3 (en) |
RU (1) | RU2400319C1 (en) |
WO (1) | WO2008110243A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008032522A1 (en) * | 2008-07-10 | 2010-01-14 | Sms Siemag Aktiengesellschaft | Rolling device with adjusting device |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE635930A (en) * | 1962-08-09 | |||
US3943742A (en) | 1973-08-24 | 1976-03-16 | Hitachi, Ltd. | Rolling mill |
JPS59130607A (en) * | 1983-01-14 | 1984-07-27 | Hitachi Ltd | Rolling mill |
DE3521180C2 (en) * | 1985-02-08 | 1994-12-01 | Schloemann Siemag Ag | Device for the axial displacement of rolls in roll stands |
JPS61206510A (en) * | 1985-03-08 | 1986-09-12 | Hitachi Ltd | Rolling mill |
DE3603693A1 (en) | 1986-02-06 | 1987-08-13 | Schloemann Siemag Ag | DEVICE FOR AXIAL SLIDING OF THE WORK ROLLS OF A ROLLING DEVICE FOR ROLLING FLAT MATERIAL |
DE3722054A1 (en) * | 1987-07-03 | 1989-01-12 | Schloemann Siemag Ag | Apparatus for the axial displacement of rollers in hot and cold rolling mills |
DE3802813A1 (en) | 1988-01-30 | 1989-08-03 | Schloemann Siemag Ag | ROLLING MILLS WITH SLIDING DEVICE |
DE3807628C2 (en) | 1988-03-09 | 1995-11-16 | Schloemann Siemag Ag | Roll stand with shifting device |
DE3827018A1 (en) * | 1988-08-05 | 1990-02-08 | Mannesmann Ag | DEVICE FOR THE AXIAL GUIDE OF THE ROLLS OF WHEEL RODS FOR THE PRODUCTION OF PROFILE STEEL |
JP2693972B2 (en) * | 1988-09-02 | 1997-12-24 | 株式会社日立製作所 | Roll shift device for rolling mill |
CN2122010U (en) * | 1992-03-04 | 1992-11-18 | 冶金工业部北京钢铁设计研究总院 | Axially regulating device for roller of rolling mill |
IT1280192B1 (en) * | 1995-06-26 | 1998-01-05 | Danieli Off Mecc | AXIAL TRANSLATION DEVICE FOR ROLLING CYLINDERS AND AXIAL TRANSLATION PROCEDURE WITH CROSSING DISPLACEMENT OF THE |
IT1288878B1 (en) * | 1996-04-19 | 1998-09-25 | Danieli Off Mecc | DEVICE FOR HANDLING CYLINDERS IN A FOURTH ROLLING CAGE FOR SHEETS AND / OR WIDE PLATES |
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 (en) * | 2000-09-25 | 2003-02-03 | Danieli Off Mecc | DEVICE TO ABSORB THE AXIAL LOADS GENERATED ON THE CYLINDERS OF A ROLLING CAGE |
IT1315118B1 (en) * | 2000-09-25 | 2003-02-03 | Danieli Off Mecc | LAMINATION CYLINDER POSITIONING VARIATION DEVICE FOR FLAT PRODUCTS. |
JP3641451B2 (en) * | 2001-10-15 | 2005-04-20 | 川崎重工業株式会社 | Rolling method and rolling machine |
DE10334682A1 (en) * | 2003-07-30 | 2005-02-17 | Sms Demag Ag | rolling device |
DE10334727A1 (en) | 2003-07-30 | 2005-02-24 | Sms Demag Ag | rolling device |
-
2007
- 2007-09-08 DE DE102007042896A patent/DE102007042896A1/en not_active Withdrawn
-
2008
- 2008-02-14 US US12/448,798 patent/US8276422B2/en not_active Expired - Fee Related
- 2008-02-14 KR KR1020097014848A patent/KR101130611B1/en active IP Right Grant
- 2008-02-14 RU RU2009138044/02A patent/RU2400319C1/en not_active IP Right Cessation
- 2008-02-14 ES ES08715754T patent/ES2388692T3/en active Active
- 2008-02-14 BR BRPI0808923A patent/BRPI0808923B8/en not_active IP Right Cessation
- 2008-02-14 CA CA002673740A patent/CA2673740A1/en not_active Abandoned
- 2008-02-14 CN CN2008800084442A patent/CN101674899B/en active Active
- 2008-02-14 JP JP2009553030A patent/JP5165001B2/en active Active
- 2008-02-14 EP EP08715754A patent/EP2139623B1/en active Active
- 2008-02-14 WO PCT/EP2008/001102 patent/WO2008110243A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2008110243A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2388692T3 (en) | 2012-10-17 |
CN101674899B (en) | 2012-02-22 |
CA2673740A1 (en) | 2008-09-18 |
BRPI0808923A2 (en) | 2015-09-01 |
US8276422B2 (en) | 2012-10-02 |
WO2008110243A1 (en) | 2008-09-18 |
DE102007042896A1 (en) | 2008-09-18 |
RU2400319C1 (en) | 2010-09-27 |
JP5165001B2 (en) | 2013-03-21 |
KR20090091231A (en) | 2009-08-26 |
JP2010520813A (en) | 2010-06-17 |
US20100024506A1 (en) | 2010-02-04 |
BRPI0808923B8 (en) | 2019-07-30 |
KR101130611B1 (en) | 2012-04-02 |
CN101674899A (en) | 2010-03-17 |
EP2139623B1 (en) | 2012-08-01 |
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