EP1507606A1 - Verfahren und vorrichtung zum wechseln von arbeitswalzenpaaren und/ oder stützwalzenpaaren an walzgerüsten - Google Patents
Verfahren und vorrichtung zum wechseln von arbeitswalzenpaaren und/ oder stützwalzenpaaren an walzgerüstenInfo
- Publication number
- EP1507606A1 EP1507606A1 EP03722506A EP03722506A EP1507606A1 EP 1507606 A1 EP1507606 A1 EP 1507606A1 EP 03722506 A EP03722506 A EP 03722506A EP 03722506 A EP03722506 A EP 03722506A EP 1507606 A1 EP1507606 A1 EP 1507606A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- roll
- rolls
- chair
- supported
- 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
- 238000000034 method Methods 0.000 title claims description 9
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000006073 displacement reaction 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
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
-
- 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
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
- B21B31/103—Manipulators or carriages therefor
-
- 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
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B2013/025—Quarto, four-high stands
Definitions
- the invention relates to a method and an apparatus for changing pairs of work rolls and / or pairs of backup rolls on roll stands, in which a straight-line thrust drive, which moves the pair of work rolls mounted in the chocks for removal or installation, perpendicular to the rolling direction and moves through a straight-line thrust - drove the support roller pair supported on a roller changing chair is extended or retracted.
- the invention has for its object to save time by changing the method when changing the roller and at the same time to create the basis for this by a cheaper device.
- the stated object is achieved in that the pair of work rolls is extended and uncoupled after coupling to the straight thrust drive, and then the same straight thrust drive is coupled to a roll changing chair that is inserted between the support rolls and after the roll changing chair and the upper support roll have been supported on it lower backup roller is extended as a unit or retracted. This not only saves time because both sets of rollers are extended together once and retracted again after replacement, but also in terms of device effort, since only one piston-cylinder drive is required.
- This single piston-cylinder drive can also be used advantageously in such a way that the roll changing chair is pushed out of the roll stand or pulled into the roll stand from the drive side of the roll stand by the straight push drive with the work rolls removed.
- the advantage therefore lies in both a procedural and a device-related nature.
- the device for changing pairs of work rolls and / or pairs of support rolls on roll stands presupposes support rolls and work rolls, each guided in liftable and lowerable chocks in the stand frame, so that the work roll pair, stored in the chocks, can be extended by means of a linear thrust drive and the support roll pair by means of one of a lower support roller supported on a guideway and wheels and a roller change chair supported on it with a supported upper support roller can be extended or retracted.
- the device is designed according to the invention in such a way that the pair of work rolls on the drive side of the roll stand can be coupled with a hydraulic piston-cylinder drive that is dimensioned for the extension or installation path and can be disengaged at the extension distance, and that a height difference between the Back-up roll retracted roll change chair can be coupled to the same piston-cylinder drive and after supporting the upper back-up roll and the roll change chair on the lower back-up roll, the pair of back-up rolls can be extended or retracted.
- This saves time when changing the rollers and considerably reduces the expenditure on device parts. For example, only a hydraulic piston-cylinder drive or a linear thrust drive working on a different basis is required.
- the piston-cylinder drive is articulated on a push-out carriage which has connecting arms aligned with the roller ends. Since the rollers are provided in pairs as work rollers and as backup rollers and the roller changing chair is also coupled, the connection arms form simple means to bridge a path section and to create a connection point.
- the push-out carriage takes up about the width of the roll stand, so the piston-cylinder drive must only be designed for the pure displacement path.
- This advantage means that the piston-cylinder drive is arranged on the drive side of the roll stand and its piston rod is articulated on the push-out carriage.
- connection can be made or released quickly by arranging pliers heads on the connecting arms of the push-out carriage, which correspond to the roller ends of the work rolls.
- connection can also be used further, in that molded parts are respectively provided on the roller changing chair and assigned to the connecting arms.
- the pliers heads can engage or disengage the fittings.
- the power supply system of the roll stand can be used by the hydraulic or electrical actuation of the pliers heads.
- the roll changing chair can be lowered or raised onto the lower support roll by means of hydraulic devices provided in the roll stand.
- the upper support roller can be hydraulically lowered or raised onto the roller changing chair.
- roller set can be moved out of the two support rollers by means of the push-out carriage from the roll stand and can be exchanged for a new roller set.
- 1 is a front view in the rolling direction on a complete roll stand, for the expansion of the pair of work rolls,
- FIG. 1A the same view as FIG. 1 in a somewhat enlarged representation
- Fig. 3 shows the same front view of the roll stand during the removal of the support roller pair
- FIG. 4 shows a somewhat enlarged illustration of FIG. 3.
- a four-high stand (FIG. 1, 1A, 2, 2A) with a pair of work rolls 2, an upper work roll 2a and a lower work roll 2b, and a pair of backup rolls 3 with an upper support roll 3a and a lower support roll 3b is shown as the roll stand 1.
- the work rolls 2a, 2b and the support rolls 3a, 3b are each rotatably supported in chocks 4 and the chocks 4 are guided in the stand frame 5.
- the work rolls 2a, 2b which are kept at a distance by means of hydraulic devices 6, can be extended or retracted by means of a linear thrust drive 7 which engages the roll ends 8.
- the invention (FIG. 1A) is designed in such a way that the pair of work rolls 2 on the drive side 12 of the roll stand 1 is coupled with a hydraulic piston-cylinder drive 7a dimensioned for the extension or installation path 13 and is disengaged at extension distance 14.
- the roller changing chair 11 can be coupled indirectly to the same piston-cylinder drive 7a after the upper supporting roller 3a has been supported on the roller changing chair 11 and on the chocks 4 supported lower roller 3b, extended by means of the piston-cylinder drive 7a as a whole unit 3a, 11, 3b and retracted after exchange for a new pair of backup rollers 3.
- the piston-cylinder drive 7a is articulated to a push-out carriage 16 with its piston rod 7b, the push-out carriage 16 carrying connecting arms 17a, 17b which are assigned to the roller ends 8 and which form a hollow angle between them.
- Pliers heads 18 are arranged on the connecting arms 17a, 17b of the push-out carriage 16.
- the pliers heads 18 can be operated hydraulically or electrically.
- shaped pieces 19 are provided on the roller changing chair 11, which also cooperate with the pliers heads 18.
- the pliers heads 18 are hydraulically actuated together with other actuating means in the roll stand.
- the roll changing chair 11 can be lowered onto the lower support roll 3b by means of hydraulic devices 6 in the roll stand 1.
- the upper support roller 3a is accordingly taken up by means of the roller changing chair 11.
- the roller set consisting of the two support rollers 3a, 3b and the roller changing chair 11 (FIGS. 2, 2A), can be extended via the push-out carriage 16 and exchanged for a new roller set.
- a first step the procedure for changing the rolls is based on the fact that the pair of work rolls 2a, 2b are extended and uncoupled again after coupling to the linear thrust drive 7.
- the same straight-line thrust drive 7 is then coupled to the roller changing chair 11 inserted between the supporting rollers 3a, 3b, and after the roller changing chair 11 and the upper supporting roller 3a have been supported on the lower supporting roller 3b, the unit is extended or after replacing a new unit retracted.
- the roll change chair 11 is pushed out of the roll stand 1 from the drive side 12 of the roll stand 1 by the straight-line thrust drive 7 when the work rolls 2a, 2b are removed, or is pulled into the roll stand 1 (FIGS. 2, 2A).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Metal Rolling (AREA)
- Crushing And Grinding (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Accessories And Tools For Shearing Machines (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Paper (AREA)
- Actuator (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10223000 | 2002-05-24 | ||
| DE10223000A DE10223000A1 (de) | 2002-05-24 | 2002-05-24 | Verfahren und Vorrichtung zum Wechseln von Arbeitswalzenpaaren und/oder Stützwalzenpaaren an Walzgerüsten |
| PCT/EP2003/004049 WO2003099479A1 (de) | 2002-05-24 | 2003-04-17 | Verfahren und vorrichtung zum wechseln von arbeitswalzenpaaren und/ oder stützwalzenpaaren an walzgerüsten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1507606A1 true EP1507606A1 (de) | 2005-02-23 |
| EP1507606B1 EP1507606B1 (de) | 2006-01-18 |
Family
ID=29414106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03722506A Expired - Lifetime EP1507606B1 (de) | 2002-05-24 | 2003-04-17 | Verfahren und vorrichtung zum wechseln von arbeitswalzenpaaren und/ oder stützwalzenpaaren an walzgerüsten |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7165432B2 (de) |
| EP (1) | EP1507606B1 (de) |
| JP (1) | JP2005533654A (de) |
| KR (1) | KR100979424B1 (de) |
| CN (1) | CN100341636C (de) |
| AT (1) | ATE315968T1 (de) |
| AU (1) | AU2003229696A1 (de) |
| BR (1) | BR0307999B1 (de) |
| CA (1) | CA2484764C (de) |
| DE (2) | DE10223000A1 (de) |
| RU (1) | RU2311242C2 (de) |
| TW (1) | TWI283608B (de) |
| WO (1) | WO2003099479A1 (de) |
| ZA (1) | ZA200406534B (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2895689B1 (fr) † | 2006-01-04 | 2008-02-22 | Vai Clecim Soc Par Actions Sim | Procede de remplacement rapide des cylindres et installation de laminage associee |
| ATE427172T1 (de) * | 2006-01-09 | 2009-04-15 | Sms Demag Ag | Vorrichtung zum wechseln/transportieren von walzen |
| RU2352411C2 (ru) * | 2006-11-14 | 2009-04-20 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Способ перевалки двухвалковой клети винтовой прокатки со станиной закрытого типа |
| RU2367532C1 (ru) * | 2008-01-21 | 2009-09-20 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Способ перевалки трехвалковых клетей многоклетевого стана продольной прокатки и многоклетевой стан продольной прокатки |
| DE102010014346A1 (de) | 2010-04-09 | 2011-10-13 | Sms Siemag Ag | Verfahren zum fliegenden Arbeitswalzenwechsel in Gießwalzanlagen und Warmbandstraßen |
| CN102463262A (zh) * | 2010-11-10 | 2012-05-23 | 上海重型机器厂有限公司 | 平整机工作辊换辊小车 |
| CN102441575B (zh) * | 2011-10-26 | 2014-01-29 | 太原重工股份有限公司 | 一种周期轧管机换轧辊装置 |
| CN102921737A (zh) * | 2012-11-26 | 2013-02-13 | 青岛润丰铝箔有限公司 | 一种铝箔轧机工作辊轴承箱拆装设备 |
| CN103286540B (zh) * | 2013-05-27 | 2015-06-24 | 中色科技股份有限公司 | 一种轧机上压下油缸的拆卸方法 |
| FR3048899B1 (fr) * | 2016-03-17 | 2019-05-31 | Fives Dms | Laminoir pour bande metallique |
| FR3050128B1 (fr) | 2016-04-18 | 2018-09-07 | Fives Dms | Procede de changement des cylindres d'un laminoir |
| IT201700032906A1 (it) * | 2017-03-24 | 2018-09-24 | Danieli Off Mecc | Apparato e metodo di cambio di unita' di guida in una macchina di colata continua |
| EP3610960B1 (de) * | 2017-06-16 | 2022-08-10 | Primetals Technologies Japan, Ltd. | Rollenersatzvorrichtung |
| CN109550788B (zh) * | 2017-09-25 | 2020-07-28 | 宝山钢铁股份有限公司 | 一种轧机换辊装置以及换辊轨道对中的方法 |
| DE202018003699U1 (de) | 2018-08-09 | 2019-11-14 | Sms Group Gmbh | Vorrichtung zum Wechseln von Stützwalzen an einem Walzgerüst |
| EP3766595A1 (de) | 2019-07-17 | 2021-01-20 | Primetals Technologies Austria GmbH | Kaltwalzen von walzgut |
| RU2721339C1 (ru) * | 2019-07-29 | 2020-05-19 | Открытое акционерное общество "Электростальский завод тяжелого машиностроения" | Многоклетевой стан продольной прокатки |
| CN112756400B (zh) * | 2021-01-19 | 2024-07-26 | 中冶京诚工程技术有限公司 | 四辊轧机换辊装置 |
| CN113684661B (zh) * | 2021-08-29 | 2022-12-23 | 江西艾酷玩具有限公司 | 纺织用环保去绒机 |
| CN114273147A (zh) * | 2021-12-28 | 2022-04-05 | 江苏大力神科技股份有限公司 | 一种涂层机旋转换辊装置 |
| CN116371927A (zh) * | 2023-02-23 | 2023-07-04 | 宝钢湛江钢铁有限公司 | 一种全自动轧机换辊加标定的工作方法 |
| CN119406929B (zh) * | 2024-11-19 | 2025-10-28 | 湖南钢铁集团技术研究院有限公司 | 轧辊更换方法、装置、计算机设备、可读存储介质和程序产品 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3583195A (en) * | 1969-01-24 | 1971-06-08 | Gulf & Western Ind Prod Co | Roll changing apparatus |
| JPS599241B2 (ja) * | 1976-06-02 | 1984-03-01 | 株式会社日立製作所 | 圧延機のロ−ル組替装置 |
| JPS5536063A (en) * | 1978-09-08 | 1980-03-13 | Hitachi Ltd | Roll replacement device of rolling mill |
| JPS6056564B2 (ja) * | 1980-06-18 | 1985-12-11 | 株式会社日立製作所 | 圧延機のロ−ル組替装置 |
| JPS57176107U (de) * | 1981-04-28 | 1982-11-08 | ||
| JPS62110807A (ja) * | 1985-11-11 | 1987-05-21 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延機 |
| JPH02187208A (ja) * | 1989-01-11 | 1990-07-23 | Hitachi Ltd | 多段圧延機におけるロール組替装置 |
| RU2006304C1 (ru) * | 1992-04-20 | 1994-01-30 | Производственное Объединение "Электростальтяжмаш" | Способ перевалки рабочих валков клетей линейного прокатного стана и рабочая линия для его осуществления |
| RU2013147C1 (ru) * | 1992-05-15 | 1994-05-30 | Акционерное объединение "Новокраматорский машиностроительный завод" | Устройство для смены рабочих валков |
| JP3416251B2 (ja) * | 1994-03-18 | 2003-06-16 | 株式会社神戸製鋼所 | 多段圧延機のロール組替方法及びこれに用いるロール組替装置並びに多段圧延機 |
| JP2812423B2 (ja) * | 1994-04-07 | 1998-10-22 | 住友金属工業株式会社 | 6段圧延機のロール組替装置 |
| FR2769525B1 (fr) * | 1997-10-10 | 1999-12-31 | Kvaerner Metals Clecim | Dispositif de changement des cylindres de travail et/ou des cylindres intermediaires d'une cage de laminoir, et ratelier de stockage pour un tel dispositif |
| DE20004856U1 (de) * | 2000-03-16 | 2000-05-25 | Achenbach Buschhütten GmbH, 57223 Kreuztal | Walzenwechselvorrichtung für Walzgerüste, insbesondere Sextowalzgerüste |
| CN1358452A (zh) * | 2000-12-13 | 2002-07-17 | 谭振平 | 内调味豆制品 |
-
2002
- 2002-05-24 DE DE10223000A patent/DE10223000A1/de not_active Withdrawn
-
2003
- 2003-04-16 TW TW092108779A patent/TWI283608B/zh active
- 2003-04-17 DE DE50302241T patent/DE50302241D1/de not_active Expired - Lifetime
- 2003-04-17 AU AU2003229696A patent/AU2003229696A1/en not_active Abandoned
- 2003-04-17 US US10/509,849 patent/US7165432B2/en not_active Expired - Lifetime
- 2003-04-17 WO PCT/EP2003/004049 patent/WO2003099479A1/de not_active Ceased
- 2003-04-17 CN CNB038117797A patent/CN100341636C/zh not_active Expired - Fee Related
- 2003-04-17 EP EP03722506A patent/EP1507606B1/de not_active Expired - Lifetime
- 2003-04-17 JP JP2004506994A patent/JP2005533654A/ja active Pending
- 2003-04-17 AT AT03722506T patent/ATE315968T1/de active
- 2003-04-17 RU RU2004137814/02A patent/RU2311242C2/ru not_active IP Right Cessation
- 2003-04-17 CA CA2484764A patent/CA2484764C/en not_active Expired - Fee Related
- 2003-04-17 BR BRPI0307999-6A patent/BR0307999B1/pt not_active IP Right Cessation
- 2003-04-17 KR KR1020047015906A patent/KR100979424B1/ko not_active Expired - Fee Related
-
2004
- 2004-08-17 ZA ZA200406534A patent/ZA200406534B/en unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03099479A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10223000A1 (de) | 2003-12-04 |
| CA2484764A1 (en) | 2003-12-04 |
| KR20040105848A (ko) | 2004-12-16 |
| BR0307999A (pt) | 2005-02-09 |
| RU2311242C2 (ru) | 2007-11-27 |
| EP1507606B1 (de) | 2006-01-18 |
| ATE315968T1 (de) | 2006-02-15 |
| US20050138982A1 (en) | 2005-06-30 |
| AU2003229696A1 (en) | 2003-12-12 |
| ZA200406534B (en) | 2005-06-14 |
| RU2004137814A (ru) | 2005-06-10 |
| TWI283608B (en) | 2007-07-11 |
| BR0307999B1 (pt) | 2011-11-16 |
| CN100341636C (zh) | 2007-10-10 |
| CN1655886A (zh) | 2005-08-17 |
| WO2003099479A1 (de) | 2003-12-04 |
| KR100979424B1 (ko) | 2010-09-02 |
| DE50302241D1 (de) | 2006-04-06 |
| TW200306894A (en) | 2003-12-01 |
| US7165432B2 (en) | 2007-01-23 |
| CA2484764C (en) | 2010-10-19 |
| JP2005533654A (ja) | 2005-11-10 |
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