EP2094409B1 - Dispositif de changement de cylindre avec dispositif de réglage de cale - Google Patents

Dispositif de changement de cylindre avec dispositif de réglage de cale Download PDF

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Publication number
EP2094409B1
EP2094409B1 EP07818593A EP07818593A EP2094409B1 EP 2094409 B1 EP2094409 B1 EP 2094409B1 EP 07818593 A EP07818593 A EP 07818593A EP 07818593 A EP07818593 A EP 07818593A EP 2094409 B1 EP2094409 B1 EP 2094409B1
Authority
EP
European Patent Office
Prior art keywords
wedge
roll
roll changing
adjusting
changing device
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.)
Not-in-force
Application number
EP07818593A
Other languages
German (de)
English (en)
Other versions
EP2094409A1 (fr
Inventor
Günter MITTERMAYR
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.)
SIEMENS VAI METALS Technologies GmbH
Original Assignee
SIEMENS VAI METALS TECHNOLOGIES GmbH
Siemens VAI Metals Technologies GmbH Austria
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 SIEMENS VAI METALS TECHNOLOGIES GmbH, Siemens VAI Metals Technologies GmbH Austria filed Critical SIEMENS VAI METALS TECHNOLOGIES GmbH
Priority to SI200730729T priority Critical patent/SI2094409T1/sl
Priority to PL07818593T priority patent/PL2094409T3/pl
Publication of EP2094409A1 publication Critical patent/EP2094409A1/fr
Application granted granted Critical
Publication of EP2094409B1 publication Critical patent/EP2094409B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 Keilverstell for aligning 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 a Verstellkeil associated displacement device and a clamping device for fixing the Verstellkeiles
  • 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.
  • each of the trusses is lifted with four pressure cylinders and the lower wedge elements are 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 known 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.
  • step plates for coarse adjustment of the work roll relative to the rolling line by step plates in different height are arranged in a sliding frame, which can be positioned after lifting the roll chocks by means of a lifting cylinder below them.
  • a stepless fine tuning takes place by means of a wedge arrangement, which comprises two interlocking wedges, wherein the lower wedge is displaced by a horizontally acting adjusting cylinder and lifts 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.
  • JP 07-265919 A From the JP 07-265919 A is a wedge adjustment with a Verstellkeil with two flat wedge surfaces for adjusting the lower work roll on the pass line known.
  • a roll changing device is not described or illustrated, so that with respect to a structural and functional interaction of these components, no information from this document can be removed.
  • 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 which occur during displacement of the adjusting wedges between the adjusting wedge 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.
  • the lower roller 1 in this special illustration, the lower support roller of a substantially not shown quartz rolling stand 2 in the installed position within the two frame stands 3a, 3b and shown in the roll change position laterally next to the roll stand schematically.
  • 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 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 29 of the roll changing device under the bearing surfaces 30 of the roll chocks 4.
  • the wheelsets 28 are associated with rails.
  • the roll changing device 5 is associated with a locking device 33 for fixing in the rolling 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.
  • 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.

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  • 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

L'invention concerne un dispositif de changement de cylindre avec un dispositif de réglage de cale fonctionnant en continu. Selon l'invention, afin d'obtenir une taille particulièrement petite convenant spécialement pour la transformation de cages de laminoir existantes, la cale réglable (8) présente une surface de cale continûment plane (12a, 12b), le dispositif de réglage de cale (7) comprend un équipement de serrage (16) pour immobiliser la cale réglable (8), et la plaque de pression supérieure (19) est guidée verticalement et horizontalement dans le dispositif de changement de cylindre (5).

Claims (12)

  1. Dispositif pour le décalage en hauteur de cylindres (1) dans des structures de cylindres, comprenant un dispositif de réglage à clavette (7) pour aligner le cylindre de travail inférieur avec une ligne de cylindres, qui comprend une clavette de réglage (8) déplaçable dans la direction longitudinale des cylindres, avec une surface de clavette plane continue (12a, 12b), un dispositif de déplacement (9) connecté à la clavette de réglage, et un dispositif de serrage (16) pour fixer la clavette de réglage (8), et comprenant un dispositif de changement de cylindre (5), déplaçable dans la direction longitudinale des cylindres, pour changer les cylindres, les cylindres étant supportés du côté de leur extrémité dans des éléments de montage de cylindre (4) et étant guidés de manière réglable en hauteur dans des supports structurels (3a, 3b) disposés en parallèle, et chacun des deux éléments de montage de cylindre (4) étant supporté par le biais d'une plaque de pression supérieure (19), de la clavette de réglage (8) et d'une plaque de pression inférieure (14) dans le support structurel, caractérisé en ce que le dispositif de réglage à clavette (7) est séparé du dispositif de changement de cylindre (5) par la construction, et la plaque de pression supérieure (19) est guidée verticalement et horizontalement dans le dispositif de changement de cylindre (5).
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de déplacement (9) est formé pour actionner la clavette de réglage (8) par un cylindre de fluide sous pression (10), et le dispositif de serrage (16) agit de manière à fixer la clavette de réglage (8) sur une tige de piston du cylindre de fluide sous pression (10).
  3. Dispositif selon la revendication 2, caractérisé en ce qu'un dispositif pour mesurer la distance linéaire est associé au dispositif de déplacement (9) ou au cylindre de fluide sous pression (10).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la clavette de réglage (8) présente deux surfaces de clavette (12a, 12b) inclinées par rapport à un plan horizontal, qui sont disposées à distance horizontale des deux éléments de montage de cylindre (4) et qui coopèrent avec des surfaces de clavette conjuguées (13a, 13b) sur les plaques de pression inférieures (14).
  5. Dispositif selon la revendication 4, caractérisé en ce que les surfaces de clavette (12a, 12b) sur la clavette de réglage (8) sont inclinées suivant un certain angle par rapport au plan horizontal, lequel angle est compris dans la plage d'autoblocage du clavetage.
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la clavette de réglage (8) est guidée horizontalement sur des nervures de guidage (18) et ces nervures de guidage (18) sont fixées sur les plaques de pression inférieures fixes (14).
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la plaque de pression supérieure (19) est insérée dans un évidement (21) du dispositif de changement de cylindre (5) et présente des nez de guidage (22) saillants ou des rainures de guidage sur des côtés opposés, chaque nez de guidage (22) ou rainure de guidage étant guidé(e) avec trois surfaces de guidage verticales (22a, 22b, 22c) contre trois nervures de guidage verticales opposées (23a, 23b, 23c) dans le dispositif de changement de cylindre (5).
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de changement de cylindre (5) présente plusieurs crochets de retenue (24) saillant dans l'évidement (21) du dispositif de changement de cylindre (5) et venant en prise par le dessous avec la plaque de pression supérieure (19), lesquels crochets de retenue supportent la plaque de pression supérieure (19) lorsque la clavette de réglage (8) est ramenée dans la position de changement de cylindre.
  9. Dispositif selon l'une quelconque des revendications précédentes 1 à 7, caractérisé en ce que la plaque de pression supérieure (19) présente plusieurs crochets de retenue (24) saillant au-dessus de l'évidement (21) dans le dispositif de changement de cylindre (5), lesquels reposent sur le dispositif de changement de cylindre (5) lorsqu'une clavette de réglage (8) est ramenée dans la position de changement de cylindre.
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que lorsqu'une clavette de réglage (8) est ramenée dans la position de changement de cylindre, les éléments de montage de cylindre (4) reposent sur le dispositif de changement de cylindre (5) et il se forme une fente (26) entre la plaque de pression supérieure (19) et la clavette de réglage (8) et entre la plaque de pression supérieure (19) et l'élément de montage de cylindre (4).
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on associe au dispositif de changement de cylindre un dispositif de verrouillage pour fixer sa position de montage dans les supports structurels.
  12. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'on associe au dispositif de changement de cylindre (5) des jeux de roues (28) qui sont montés à l'intérieur dans un châssis (29) du dispositif de changement de cylindre (5).
EP07818593A 2006-11-16 2007-10-01 Dispositif de changement de cylindre avec dispositif de réglage de cale Not-in-force EP2094409B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200730729T SI2094409T1 (sl) 2006-11-16 2007-10-01 Naprava za zamenjavo valjev z napravo za nastavitev zagozde
PL07818593T PL2094409T3 (pl) 2006-11-16 2007-10-01 Urządzenie do wymiany walców z urządzeniem do regulacji klinowej

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 (fr) 2006-11-16 2007-10-01 Dispositif de changement de cylindre avec dispositif de réglage de cale

Publications (2)

Publication Number Publication Date
EP2094409A1 EP2094409A1 (fr) 2009-09-02
EP2094409B1 true EP2094409B1 (fr) 2011-06-29

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ID=38720918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07818593A Not-in-force EP2094409B1 (fr) 2006-11-16 2007-10-01 Dispositif de changement de cylindre avec dispositif de réglage de cale

Country Status (10)

Country Link
US (1) US8099990B2 (fr)
EP (1) EP2094409B1 (fr)
CN (1) CN101534970B (fr)
AT (2) AT504209B1 (fr)
ES (1) ES2365947T3 (fr)
PL (1) PL2094409T3 (fr)
RU (1) RU2438811C2 (fr)
SI (1) SI2094409T1 (fr)
UA (1) UA97379C2 (fr)
WO (1) WO2008058595A1 (fr)

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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 (fr) * 2019-02-04 2022-07-20 SMS Group GmbH Dispositif d'application d'un module sur un cadre de support d'une cage de laminoir
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
DE102020215769A1 (de) * 2019-12-11 2021-06-17 Sms Group Gmbh Warmwalzgerüst für ein Warmwalzwerk und zum Herstellen eines metallenen Flachprodukts, Warmwalzwerk sowie Verfahren zum Betreiben eines Warmwalzwerks
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

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Also Published As

Publication number Publication date
ATE514496T1 (de) 2011-07-15
PL2094409T3 (pl) 2011-11-30
SI2094409T1 (sl) 2011-11-30
CN101534970A (zh) 2009-09-16
RU2009122695A (ru) 2010-12-27
EP2094409A1 (fr) 2009-09-02
AT504209A4 (de) 2008-04-15
RU2438811C2 (ru) 2012-01-10
UA97379C2 (ru) 2012-02-10
ES2365947T3 (es) 2011-10-13
AT504209B1 (de) 2008-04-15
CN101534970B (zh) 2011-08-03
US20100077824A1 (en) 2010-04-01
WO2008058595A1 (fr) 2008-05-22
US8099990B2 (en) 2012-01-24

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