EP2094409A1 - Walzenwechseleinrichtung mit keilverstelleinrichtung - Google Patents
Walzenwechseleinrichtung mit keilverstelleinrichtungInfo
- Publication number
- EP2094409A1 EP2094409A1 EP07818593A EP07818593A EP2094409A1 EP 2094409 A1 EP2094409 A1 EP 2094409A1 EP 07818593 A EP07818593 A EP 07818593A EP 07818593 A EP07818593 A EP 07818593A EP 2094409 A1 EP2094409 A1 EP 2094409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- wedge
- roll changing
- changing device
- pressure plate
- 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 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/30—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by wedges or their equivalent
-
- 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
- B21B31/106—Vertical displacement of rolls or roll chocks during horizontal roll changing
Definitions
- the invention relates to a device for height displacement of rollers in rolling stands and to carry out a roll change.
- a Keilversteü ⁇ gu for matching the lower work roll to a rolling line : comprising a displaceable in the longitudinal direction of the rollers Verstellkeil with a continuous flat wedge surface and connected to the Verstellkeil displacement device and a clamping device for fixing the Verstellkeiles, and with a longitudinal direction of the rollers movable roll changing device for changing the rollers, the rollers are supported end in roll chocks and height adjustable in parallel scaffold stands, and each of the two roll chocks over an upper pressure plates, the Verstellkeil and a lower pressure plates is supported in the framework stand.
- a wedge adjusting device for aligning the upper edge of the lower work roll with the rolling line wherein two respective cooperating wedges are step-shaped and form horizontal support surfaces which, depending on the occupied sliding position of the wedges, the position of the lower work roll to the rolling line determine.
- the lower wedges are connected via tension elements and equipped with a motorized adjustment drive.
- the upper wedge elements are fixed in trusses, on which support the chocks of the rollers.
- each of the trusses is lifted with four pressure cylinders and the lower wedge elements moved horizontally accordingly.
- This adjustment process thus requires the complex common use of a variety of adjusting devices.
- the chocks are assigned wheel sets, which are lowered on lateral guide rails arranged in addition to the large-scale trusses and can then be extended in the axial direction of the rollers. The lowering movement takes place via the wedge adjustment.
- a particular disadvantage of this construction is the large width of the facilities within the roll stand.
- a rolling stand in which the working and supporting rollers bearing chocks wheels are assigned.
- the chocks can thus be lowered onto guide rails and conveyed out of the roll stand in the axial direction of the rolls and introduced.
- a Keilverstell nerve is provided which comprises two counter-acting wedges with associated drive spindles.
- On both sides laterally next to the adjusting wedges lifting cylinders are arranged with which the chocks can be raised to operate the Keilverstellinnate and can be relieved after lowering, so that the chocks are supported exclusively on the Keilverstell Nur in scaffolding.
- This embodiment also requires a relatively large installation width.
- the solution known from EP 0 231 445 A1 also uses the principle of step plates for coarse adjustment of the work roll relative to the rolling line by arranging step plates of different heights in a sliding frame, which can be positioned below them after lifting the roll chocks by means of a lifting cylinder.
- a stepless fine tuning takes place by means of a wedge arrangement comprising two interlocking wedges, wherein the lower wedge is displaced by a horizontally acting Verstellzy cylinder and lifting the second wedge resting thereon and thus the step plates vertically.
- the step plate assembly is reduced to a step plate with only one height, so that a selective coarse adjustment only by a manual Changing the step plate is possible.
- the two Keilverstell insightfulen and the lifting cylinders are structurally integrated in the roll change carriage and are moved together with a roll change with the roll change carriage.
- a major disadvantage of this design is the provision of two independent adjustment, whereby the overall height of the roll changing device increases.
- Object of the present invention is therefore to avoid the disadvantages of the prior art described and to propose a roller changing device with a continuously operating Keilverstell Surprise, which is characterized by a particularly compact size and therefore particularly suitable for rebuilding existing rolling stands.
- Another advantage is that previously necessary for the operation of the wedge adjusting lifting cylinder for lifting the roll chocks omitted and thus a substantial simplification of the device is achieved.
- Keilverstell annoying of the roll changing device is structurally separated and the upper pressure plate is guided vertically and horizontally in the roll changing device.
- the wedge surface is inclined and steplessly. The physical separation allows separate functionality of Keilverstell issued and roll changing device.
- the adjusting wedge is in this case preferably designed so that the wedge surface of the adjusting wedge has a self-locking ensuring slope.
- the wedge surfaces are inclined at the adjusting wedge at an angle to the horizontal plane, which lies in the region of the self-locking of the wedge connection.
- the wedge angle is 4 to 6 °. Within this angular range are adjusting forces for raising or lowering of the work rolls and optionally support rollers together with the associated roll chocks, which can be applied by the displacement device.
- the displacement device for actuating the Verstellkeiles is formed by a pressure medium cylinder and the clamping device for fixing the Verstellkeiles acts clamped on the piston rod of the pressure medium cylinder.
- the displacement device is assigned a device for position determination or tracking, wherein preferably a pressure medium cylinder with integrated linear displacement measurement is used. This clearly ensures that the positioning of the lower work roll can be maintained relative to the rolling line during the operating loads also.
- the pressure medium cylinder for actuating the adjusting wedge is preferably supported stationarily on the plant foundation.
- the adjusting wedge is formed in one piece and can therefore be actuated by a displacement device.
- the Verstellkeil has two sections with inclined to a horizontal plane wedge surfaces which are arranged at a horizontal distance of the two roll chocks and cooperate with counter wedge surfaces on the lower pressure plates. This ensures that no displacement deviations can occur, as would be possible with two independent wedges.
- the adjusting wedge is guided horizontally on guide rails, whereby lateral deviation movements are prevented. These guide rails are attached to fixed lower pressure plates. These printing plates lie directly on the lower crosshead of the scaffolding frame.
- the upper pressure plate is inserted into a recess of the roll changing device. It has on projecting sides projecting guide lugs or projecting guide grooves, each guide nose or guide groove is guided with three vertical guide surfaces on opposite three vertical guide rails in the roll changing device. This can be supported in rolling operation, the lower work roll and possibly also the lower support roller with the associated roll chocks on the upper pressure plates, the Verstellkeil and the lower pressure plates directly in a vertical line in the scaffolding frame, without the roll changing device is thus exposed to loads.
- the roll changing device has a plurality of retaining hooks projecting into the recess of the roll changing device and engaging under the upper pressure plate, which support the upper pressure plate when the adjusting wedge is retracted into the roll changing position.
- the upper pressure plate has a plurality of holding hooks projecting beyond the recess in the roll changing device, which rest on the roll changing device when the adjusting wedge is retracted into the roll changing position.
- the two roll chocks lie on the roll changing device and there is a gap between the upper pressure plate and the adjusting wedge and between the upper pressure plate and the roll chock.
- the Keilverstell annoying of the roll changing device is structurally separated and can remain during the roll change process in the rolling mill. Only the upper pressure plate, which rests in the roll changing device, during the Roll change extended with the roll changing device from the rolling stand and retracted again.
- the roll changing device for determining its installation position and for receiving frictional forces that occur when moving the Verstellkeiles between the Verstellkeil and the upper pressure plate, associated with a locking device in the framework stand.
- the roll changing device are associated with wheelsets that are installed inside a frame of the roll changing device. They are arranged on both sides of the guide lugs or guide grooves. This achieves a further reduction of the installation width in the scaffolding frame of the roll stand.
- FIG. 1 shows the device according to the invention for the vertical displacement of rolls in a longitudinal section through a roll stand parallel to the roll axis in a schematic representation
- FIG. 3 shows details of the roll changing device according to the invention in a plan view
- 4 shows an enlarged section of a longitudinal section of the wedge adjusting device according to the invention.
- the lower roll 1 in this specific illustration the lower backing roll, of a substantially in-depth quartz roll stand 2 in the installed position within the two frame stands 3B. 3b and shown schematically in the roll change position laterally next to the roll stand.
- the lower roller 1 is rotatably supported with its end-side shaft journals in roll chocks 4 and guided vertically adjustable on vertical guides in the stator windows of the scaffolding uprights 3a, 3b.
- the feeding in and out of the rolls in and out of the roll stand takes place with a roll changing device 5, on which the roll is supported with the roll chocks 4.
- the displacement operation takes place with a pressure medium cylinder 6, which is articulated to the roll changing device.
- the continuous adjustment of the rollers (work rolls or backup rolls and work rolls together) to the rolling line with a Keilverstell noise 7, which is displaceable in the longitudinal direction of the rollers adjusting wedge 8 and hinged to the Verstellkeil Displacement device 9 includes.
- the displacement device 9 is designed as a hydraulic pressure medium cylinder 10 and pivotally supported on a bracket 11 bolted to the foundation.
- the adjusting wedge 8 carries on its underside two inclined to a horizontal plane wedge surfaces 12a, 12b with a smooth surface, which are arranged at a horizontal distance of the two roll chocks 4.
- the wedge surfaces are inclined 5 ° to the horizontal plane.
- the wedge surfaces 12a, 12b are supported on counter wedge surfaces 13 of lower pressure plates 14 (FIG. 4).
- the lower pressure plates 14 are occupied with wear plates 15 and fixed in the framework stands 3a, 3b.
- the fixation of the adjusting wedge 8 in the target position, in which the work roll is tangent to the rolling line, is effected by a clamping device 16, which causes a longitudinal displacement of the adjusting wedge 8 blocked.
- This clamping device 16 can on the adjusting wedge or on the piston rod 10 a of the pressure medium cylinder 10th attack.
- the clamping device comprises, for example, prestressed clamping jaws which can be opened in the event of an intended adjusting movement against the closing pressure.
- a horizontal guide of Verstellkeiles 8 is ensured by lateral guide rails 18 which are screwed on both sides of the lower pressure plates 14 (Fig. 2).
- 8 upper pressure plates 19 are arranged between the two roll chocks 4 and the sliding wedge, which are occupied with Schl thoroughlyplatten 20.
- Each pressure plate 19 is inserted into a recess 21 in the roll changing device 5 and guided horizontally and vertically therein. These guides absorb frictional forces when moving the adjusting wedge.
- projecting guide lugs 22 with three vertical guide surfaces 22a, 22b, 22c are arranged, which are performed with play on three vertical guide rails 23a, 23b, 23c of the roll changing device 5.
- the roll changing device 5 is equipped with wheelsets 28 which are arranged in the frame 9 of the roll changing device under the bearing surfaces 30 of the roll chocks.
- the wheelsets 28 are associated with rails.
- the roll changing device 5 is assigned a locking device 33 for fixing in the roll stand (FIG. 3). This consists of a stop 34 on the roll changing device, which faces a support surface on the roll stand, whereby the retraction movement of the roll changing device is limited. With a clamping slide 35 an unintentional return movement of the roll changing device is prevented and a decoupling of the roll changing device of the displacement device during the rolling operation is possible.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Control Of Metal Rolling (AREA)
- Continuous Casting (AREA)
- Braking Arrangements (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07818593T PL2094409T3 (pl) | 2006-11-16 | 2007-10-01 | Urządzenie do wymiany walców z urządzeniem do regulacji klinowej |
SI200730729T SI2094409T1 (sl) | 2006-11-16 | 2007-10-01 | Naprava za zamenjavo valjev z napravo za nastavitev zagozde |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0190006A AT504209B1 (de) | 2006-11-16 | 2006-11-16 | Walzenwechseleinrichtung mit keilverstelleinrichtung |
PCT/EP2007/008513 WO2008058595A1 (de) | 2006-11-16 | 2007-10-01 | Walzenwechseleinrichtung mit keilverstelleinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2094409A1 true EP2094409A1 (de) | 2009-09-02 |
EP2094409B1 EP2094409B1 (de) | 2011-06-29 |
Family
ID=38720918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07818593A Not-in-force EP2094409B1 (de) | 2006-11-16 | 2007-10-01 | Walzenwechseleinrichtung mit keilverstelleinrichtung |
Country Status (10)
Country | Link |
---|---|
US (1) | US8099990B2 (de) |
EP (1) | EP2094409B1 (de) |
CN (1) | CN101534970B (de) |
AT (2) | AT504209B1 (de) |
ES (1) | ES2365947T3 (de) |
PL (1) | PL2094409T3 (de) |
RU (1) | RU2438811C2 (de) |
SI (1) | SI2094409T1 (de) |
UA (1) | UA97379C2 (de) |
WO (1) | WO2008058595A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108361274B (zh) * | 2018-04-09 | 2023-10-20 | 济南德冠包装材料有限公司 | 一种挠性变形可控的辊子装置 |
EP3689485B1 (de) * | 2019-02-04 | 2022-07-20 | SMS Group GmbH | Einrichtung zum anbringen eines moduls an einen ständerrahmen eines walzgerüsts |
CN110328242A (zh) * | 2019-08-06 | 2019-10-15 | 河北银隆新能源有限公司 | 调节装置和辊缝调节方法 |
JP2023510090A (ja) * | 2019-12-11 | 2023-03-13 | エス・エム・エス・グループ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 熱間圧延機のため、および、金属の平板製品の製造のための熱間圧延スタンド、熱間圧延機、並びに、熱間圧延機の作動のための方法 |
CN111702017A (zh) * | 2020-06-24 | 2020-09-25 | 五冶集团上海有限公司 | 一种用于快速更换隐蔽辊子的换辊结构 |
CN112496043B (zh) * | 2020-12-16 | 2022-08-09 | 太原通泽重工有限公司 | 卧式穿孔机下导板的快捷更换方法 |
CN112974540B (zh) * | 2021-02-08 | 2022-07-12 | 太原科技大学 | 一种大型车轴快速更换轧辊模具楔横轧机 |
CN112974541B (zh) * | 2021-02-08 | 2022-07-12 | 太原科技大学 | 一种轨道交通用大型车轴楔横轧机轴向窜动装置 |
CN113385541B (zh) * | 2021-06-16 | 2024-06-04 | 中冶赛迪工程技术股份有限公司 | 一种节能型薄板坯连铸连轧摆剪 |
CN113953329A (zh) * | 2021-12-17 | 2022-01-21 | 张家港市棋瑞德机械制造有限公司 | 压延扁线自动调节厚度装置 |
CN115318839B (zh) * | 2022-08-16 | 2024-08-23 | 中冶南方工程技术有限公司 | 可快速换辊的辊设备及其换辊方法 |
CN116020872B (zh) * | 2022-12-30 | 2023-10-27 | 汉威广园(广州)机械设备有限公司 | 一种辊环锁紧组件及具有其的轧机 |
CN116986389A (zh) * | 2023-09-22 | 2023-11-03 | 宁德时代新能源科技股份有限公司 | 输送装置和卷绕设备 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2241833A1 (de) | 1972-08-25 | 1974-03-07 | Demag Ag | Walzenanstellvorrichtung |
DE2513666A1 (de) | 1975-03-27 | 1976-10-07 | Achenbach Buschhuetten Gmbh | Walzgeruest mit spindelbetaetigter keilverstelleinrichtung |
SU626844A1 (ru) | 1976-05-03 | 1978-10-05 | Колпинское отделение Всесоюзного научно-исследовательского и проектно-конструкторского института металлургического машиностроения | Устройство дл установки нижнего валка прокатной клети |
DE2806525C2 (de) | 1978-02-16 | 1985-09-12 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Vorrichtung zum Ausfahren der Walzen von Walzgerüsten und zum Angleichen der Oberkante der unteren Arbeitswalze an die Walzlinie |
US4237715A (en) * | 1979-04-05 | 1980-12-09 | Gulf & Western Manufacturing Company | Rolling mill pass-line adjusting mechanism |
JPS5987912A (ja) * | 1982-11-10 | 1984-05-21 | Hitachi Ltd | 圧延機用パスライン調整装置 |
JPS6163309A (ja) * | 1984-09-06 | 1986-04-01 | Sumitomo Metal Ind Ltd | プラグミル |
DE3529363A1 (de) * | 1985-08-16 | 1987-02-19 | Schloemann Siemag Ag | Anstellvorrichtung fuer das achsparallele verschieben von walzen eines walzgeruestes |
EP0231456B1 (de) | 1985-12-13 | 1991-06-26 | Ascom Hasler AG | Verfahren und Vorrichtung zum Abführen der Verlustwärme wenigstens einer Baugruppe elektrischer Elemente |
DE3544781A1 (de) * | 1985-12-18 | 1987-06-19 | Schloemann Siemag Ag | Verfahren und vorrichtung zur hoehenverlagerung von walzen in walzgeruesten |
JPH0237905A (ja) * | 1988-07-27 | 1990-02-07 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延機のパスライン調整装置 |
DE4115958C2 (de) * | 1991-05-13 | 1994-04-07 | Mannesmann Ag | Vorrichtung zum Angleichen der Oberkante der unteren Arbeitswalze an die Walzlinie |
CN2133376Y (zh) * | 1991-11-13 | 1993-05-19 | 东北重型机械学院秦皇岛分校 | 一种三辊型钢轧机压上装置 |
JP2572544B2 (ja) * | 1994-03-30 | 1997-01-16 | 住友金属工業株式会社 | パスライン調整装置 |
RU2131314C1 (ru) | 1998-11-12 | 1999-06-10 | Открытое акционерное общество "Северсталь" | Способ монтажа прокатных валков клети кварто |
CN2493320Y (zh) * | 2001-05-11 | 2002-05-29 | 黄伟 | 冷轧机下轧制线调整机构 |
ATE424945T1 (de) * | 2005-10-12 | 2009-03-15 | Sms Demag Ag | Vorrichtung zum angleichen von arbeitswalzen an die walzlinie |
-
2006
- 2006-11-16 AT AT0190006A patent/AT504209B1/de not_active IP Right Cessation
-
2007
- 2007-10-01 US US12/514,663 patent/US8099990B2/en not_active Expired - Fee Related
- 2007-10-01 CN CN2007800426483A patent/CN101534970B/zh not_active Expired - Fee Related
- 2007-10-01 UA UAA200904749A patent/UA97379C2/ru unknown
- 2007-10-01 EP EP07818593A patent/EP2094409B1/de not_active Not-in-force
- 2007-10-01 AT AT07818593T patent/ATE514496T1/de active
- 2007-10-01 ES ES07818593T patent/ES2365947T3/es active Active
- 2007-10-01 WO PCT/EP2007/008513 patent/WO2008058595A1/de active Application Filing
- 2007-10-01 RU RU2009122695/02A patent/RU2438811C2/ru not_active IP Right Cessation
- 2007-10-01 SI SI200730729T patent/SI2094409T1/sl unknown
- 2007-10-01 PL PL07818593T patent/PL2094409T3/pl unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2008058595A1 * |
Also Published As
Publication number | Publication date |
---|---|
AT504209B1 (de) | 2008-04-15 |
UA97379C2 (ru) | 2012-02-10 |
SI2094409T1 (sl) | 2011-11-30 |
RU2009122695A (ru) | 2010-12-27 |
CN101534970A (zh) | 2009-09-16 |
ES2365947T3 (es) | 2011-10-13 |
PL2094409T3 (pl) | 2011-11-30 |
AT504209A4 (de) | 2008-04-15 |
WO2008058595A1 (de) | 2008-05-22 |
CN101534970B (zh) | 2011-08-03 |
ATE514496T1 (de) | 2011-07-15 |
US20100077824A1 (en) | 2010-04-01 |
RU2438811C2 (ru) | 2012-01-10 |
EP2094409B1 (de) | 2011-06-29 |
US8099990B2 (en) | 2012-01-24 |
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