EP2079553A1 - Rolling stand with supporting and/or working rolls for rolling metal sheets or strips - Google Patents
Rolling stand with supporting and/or working rolls for rolling metal sheets or stripsInfo
- Publication number
- EP2079553A1 EP2079553A1 EP07801991A EP07801991A EP2079553A1 EP 2079553 A1 EP2079553 A1 EP 2079553A1 EP 07801991 A EP07801991 A EP 07801991A EP 07801991 A EP07801991 A EP 07801991A EP 2079553 A1 EP2079553 A1 EP 2079553A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolling
- sealing strip
- receiving groove
- inlet
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 64
- 239000002184 metal Substances 0.000 title abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 239000000498 cooling water Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000839 emulsion Substances 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- 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
Definitions
- Roll stand with support and / or work rolls for rolling sheets or strips
- the invention relates to a roll stand with support and / or work rolls for rolling sheets or strips, with at least one arranged between chocks of one of the rolls, preferably the upper roll associated rolling beam and adjacent to the rolling beam arranged inlet / outlet guide for a medium , eg Cooling water od. Like., And with sealants to prevent dripping of the medium on the rolling stock.
- a medium eg Cooling water od.
- DE 100 49 032 A1 describes a rolling stand with supporting and / or work rolls for rolling sheets or strips of steel.
- This mill has between the work roll chocks arranged, the upper roll associated with a rolling bar, which has attached to the lower roll circumference and the roll bar a water scraper which can be adjusted outwardly by adjusting against the roll surface.
- the formed with profile cross section water scraper is guided in a support bar that in the water scraper extending in the extension of the support bar cavity is formed and that of Cavity with a pressure medium can be acted upon. It is provided in one embodiment that the water scraper is elastic and is guided in a slot of the support bar.
- the support bar is connected to the roll bar and that the support bar is releasably secured to a mounting surface which is parallel to the roll axis.
- the water scraper is acted upon by the medium pressure over its entire length, so that a contact pressure line can be created and thereby even a molding roll can be stripped off.
- the contact pressure could be maintained independently of the fretting wear.
- a very precise adjustment of the support bar is no longer necessary and a minimum number of parts is required.
- the supply of the pressure medium takes place by means of a compressed air connection in a groove on the back of the water scraper, the profile cross section ends at the end with a sealing lip, in the groove, the pressure medium is introduced.
- KR 1020040092252 A shows a stripping device with a shielding device for preventing uneven cooling of a strip by spray water.
- the described arrangement serves to provide a stripping device with a shielding device for preventing uneven cooling of a strip by sprayed water, which can be mounted on the frame of a hot rolling mill of a hot rolling mill, to effectively drop dripping or leaking cooling water onto the surface of the To avoid to be processed rolling stock.
- the scraper device comprises a front and a rear moving part with a plurality of frame parts which are moved forward and backward to the side of the roller on an upper surface of a scraper body with a scraper arm attached to a front part of the scraper body Drive pinion provided, which are engaged with the frame parts to move them forward and backward.
- a pneumatic motor is provided to move the frame parts by the rotation of the drive pinion forward and backward.
- an auxiliary panel which is moved back and forth in front of the frame members with a front part of this auxiliary panel closely abutting the roller at an upper part of the scraper arm to mainly seal cooling water from a plurality of nozzles for cooling the roller.
- a mounting part via which the additional panel is connected to the front part of the frame parts, such that a front part of the additional panel is in linear contact with the roller and elastically tight against this, according to a change in the rolling gap between the rollers , By spring action as a function of the diameter of the roll and the thickness of the rolling stock.
- the object of the invention is to improve or further develop the known arrangements while maintaining the previous advantages in such a way that media such as e.g. Roll cooling water, emulsion, etc. are eliminated before dripping between the inlet / outlet guides and the rollers / roller fittings, the desired arrangement should be as simple as possible and subject to the least possible wear.
- the sealing means for preventing the dripping of the medium is formed in particular on the rolling stock as at least one arranged between the rolling beam and the inlet / outlet guide sealing strip.
- the sealing strip is arranged in a receiving groove arranged in the region between the rolling beam and the inlet / outlet guide.
- the receiving groove is arranged in the rolling beam in a preferred embodiment.
- the sealing strip is mounted biased in the receiving groove against the rolling beam.
- the sealing strip thus fulfills the required sealing effect between the inlet / outlet guides and the roller bar without any further adjustment work. It is recommended that at least one spring device is provided for biasing the sealing strip in the receiving groove.
- the arrangement of the sealing strip in the receiving groove comprises a retaining device for the sealing strip, on these, the sealing strip if necessary, be kept in a non-operational position.
- the retaining device is designed for the arranged in the receiving groove sealing strip as at least one screw.
- Fig. 1 is a schematic partial side view of the invention
- Fig. 2 is a schematic partial side view of the illustration according to the
- Fig. 1 of the drawing with arranged between the rolling beam and the inlet / outlet guide sealing strip in detail.
- the rolling mill according to the invention is generally designated 1.
- the roll stand 1 is provided with support and / or work rolls 2,3,4,5 and is used for rolling sheets or strips.
- FIG. 1 of the drawing shows a partial side view of a rolling stand 1 which comprises an upper working roll 3, a lower work roll 4 and an upper support roll 2 and a lower support roll 5 (not shown separately).
- the rolling mill 1 according to the invention comprises, in the illustrated embodiment, see Fig. 1 of the drawing, arranged between the work roll chocks 7, the upper work roll 3 associated rolling beam 8 and an adjacent this roll bar 8 arranged inlet / outlet guide 9 for a medium , eg cooling water, emulsion or the like.
- the roll stand 1 further comprises sealing means 10 for preventing dripping of, for example, cooling water onto the rolling stock, see FIG. 2 of the drawing with a detailed representation of the partial area of the rolling stand 1 having this sealing means 10.
- sealing means 10 for preventing dripping of, for example, cooling water onto the rolling stock.
- FIG. 2 of the drawing with a detailed representation of the partial area of the rolling stand 1 having this sealing means 10.
- FIG. 2 of the drawing with a detailed representation of the partial area of the rolling stand 1 having this sealing means 10.
- the embodiment illustrated in the drawing is the main design feature. male of a roll stand 1 while the skilled person known and therefore not shown in detail in the drawing or the structural details shown in detail not described in detail.
- the inventive arrangement results in a particularly favorable as well as robust, low-wear and reliable solution.
- the sealing strip 11 is arranged in a arranged in the region between the rolling beam 8 and the inlet / outlet guide 9 receiving groove 12; the receiving groove 12 is arranged here by way of example in the rolling beam 8.
- the sealing strip 11 in the receiving groove 12 is further biased against the rolling beam 8.
- the sealing strip 11 thus fulfills the required sealing effect between the inlet / outlet guide 9 and the rollers / roller fittings without further adjustment. It is for biasing the sealing strip 11 in the receiving groove 12, a spring device 13 is provided, see again Fig. 2. About this spring means 13 is thereby when pressing the inlet
- Fig. 2 of the drawing which comprises the arrangement of the sealing strip 11 in the receiving groove 12 a retainer 14 for this sealing strip 11, over this, the sealing strip 11, if desired, held in non-functional position and on a Falling out to be prevented.
- This retaining device 14 for the arranged in the receiving groove 12 sealing strip 11 is presently designed as a screw 15.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006049161A DE102006049161A1 (en) | 2006-10-18 | 2006-10-18 | Roll stand with support and / or work rolls for rolling sheets or strips |
PCT/EP2007/007570 WO2008046469A1 (en) | 2006-10-18 | 2007-08-30 | Rolling stand with supporting and/or working rolls for rolling metal sheets or strips |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2079553A1 true EP2079553A1 (en) | 2009-07-22 |
EP2079553B1 EP2079553B1 (en) | 2010-01-06 |
Family
ID=38577578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07801991A Active EP2079553B1 (en) | 2006-10-18 | 2007-08-30 | Rolling stand with supporting and/or working rolls for rolling metal sheets or strips |
Country Status (9)
Country | Link |
---|---|
US (1) | US7882719B2 (en) |
EP (1) | EP2079553B1 (en) |
JP (1) | JP4838327B2 (en) |
CN (1) | CN101356019B (en) |
AT (1) | ATE454227T1 (en) |
DE (2) | DE102006049161A1 (en) |
RU (1) | RU2375132C1 (en) |
UA (1) | UA93058C2 (en) |
WO (1) | WO2008046469A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048747A1 (en) * | 2007-09-10 | 2009-03-12 | Sms Demag Ag | Device for adjusting the distance of the scraper chisel |
JP5646261B2 (en) | 2010-09-22 | 2014-12-24 | 三菱日立製鉄機械株式会社 | Hot strip strip cooling system |
CN105251773A (en) * | 2015-11-27 | 2016-01-20 | 中冶南方工程技术有限公司 | Water cutting device for roller cooling |
EP3284545A1 (en) | 2016-08-18 | 2018-02-21 | Primetals Technologies Austria GmbH | Scraper device for a rolling stand |
CN107127216A (en) * | 2017-05-22 | 2017-09-05 | 邯钢集团邯宝钢铁有限公司 | A kind of wear-compensating and the roughing mill water tank of preventing water leakage |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4272976A (en) * | 1979-06-05 | 1981-06-16 | Mesta Machine Company | Hot strip rolling mill stand |
JPS58110115A (en) * | 1981-12-24 | 1983-06-30 | ウイ−ン・ユナイテツド・インコ−ポレ−テツド | Device and method of removing liquid from strip material in rolling mill |
GB2156255A (en) * | 1984-03-23 | 1985-10-09 | Davy Mckee | Rolling mill |
GB8514598D0 (en) * | 1985-06-10 | 1985-07-10 | Davy Mckee Poole | Lubrication of rolling mills |
EP0205295B1 (en) * | 1985-06-10 | 1990-12-05 | DAVY McKEE (POOLE) LIMITED | Improvements relating to the lubrication of rolling mills |
DE3811952A1 (en) * | 1988-04-11 | 1989-10-19 | Schloemann Siemag Ag | DEVICE FOR HYDROSTATICALLY SUPPORTING ROLLS OF A ROLLING MILL |
US5046347A (en) * | 1989-10-10 | 1991-09-10 | Alcan International Limited | Coolant containment apparatus for rolling mills |
US5524465A (en) * | 1991-03-29 | 1996-06-11 | Hitachi, Ltd. | Work rolls crossing type mill, rolling system and rolling method |
IT1266715B1 (en) | 1994-03-31 | 1997-01-14 | Danieli Off Mecc | EQUIPMENT HOLDER BAR FOR LAMINATION CAGE |
JP2000351008A (en) | 1999-06-14 | 2000-12-19 | Kobe Steel Ltd | Fixing device of stripper guide of plate rolling mill |
DE10049032A1 (en) | 2000-10-04 | 2002-05-02 | Sms Demag Ag | Roll stand with support and / or work rolls for rolling sheets or strips |
DE10131369A1 (en) | 2001-06-28 | 2003-01-09 | Sms Demag Ag | Method and device for cooling and lubricating rolls of a roll stand |
KR100961358B1 (en) | 2003-04-25 | 2010-06-04 | 주식회사 포스코 | A stripper apparatus having a shield to prevent a strip unevenly cooled down by spray water |
-
2006
- 2006-10-18 DE DE102006049161A patent/DE102006049161A1/en not_active Withdrawn
-
2007
- 2007-08-30 UA UAA200805259A patent/UA93058C2/en unknown
- 2007-08-30 WO PCT/EP2007/007570 patent/WO2008046469A1/en active Application Filing
- 2007-08-30 AT AT07801991T patent/ATE454227T1/en active
- 2007-08-30 US US12/083,037 patent/US7882719B2/en active Active
- 2007-08-30 DE DE502007002587T patent/DE502007002587D1/en active Active
- 2007-08-30 JP JP2008554705A patent/JP4838327B2/en active Active
- 2007-08-30 CN CN2007800012346A patent/CN101356019B/en active Active
- 2007-08-30 EP EP07801991A patent/EP2079553B1/en active Active
- 2007-08-30 RU RU2008121722/02A patent/RU2375132C1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2008046469A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2008046469A1 (en) | 2008-04-24 |
RU2375132C1 (en) | 2009-12-10 |
JP2009526653A (en) | 2009-07-23 |
DE502007002587D1 (en) | 2010-02-25 |
ATE454227T1 (en) | 2010-01-15 |
US7882719B2 (en) | 2011-02-08 |
EP2079553B1 (en) | 2010-01-06 |
US20090255311A1 (en) | 2009-10-15 |
UA93058C2 (en) | 2011-01-10 |
CN101356019A (en) | 2009-01-28 |
CN101356019B (en) | 2010-12-08 |
JP4838327B2 (en) | 2011-12-14 |
DE102006049161A1 (en) | 2008-04-24 |
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