专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2008200731A Rolling method and rolling mill 有权
标题翻译：轧制方法和轧制机
公开(公告)号：JP2008200731A
公开(公告)日：2008-09-04
申请号：JP2007041751
申请日：2007-02-22
申请人： Hitachi Ltd , Kajiwara Kikai Gijutsu Kaihatsusho Kk , Mitsubishi-Hitachi Metals Machinery Inc , 三菱日立製鉄機械株式会社 , 株式会社日立製作所 , 梶原機械技術開発所有限会社
发明人： KAJIWARA TOSHIYUKI
IPC分类号： B21B1/22 , B21B13/00 , B21B13/14
摘要： PROBLEM TO BE SOLVED: To provide a rolling mill capable of stably giving sheet tension to an extremely thin metal sheet to be rolled by properly considering the relation with a rolling load, using especially a four-stage rolling mill of a simple structure, so that an extremely thin sheet, which is conventionally hard to manufacture, is manufactured. SOLUTION: Both work rolls are driven at different circumferential speeds by a different circumferential speed driving device. Before passing through (A) between work rolls, a rolling material is set so as to pass through (B 1 ) between a lower speed side work roll and one back-up roll. After passing through (A) between the work rolls, the rolling material is set so as to pass through (B 2 ) between a higher speed side work roll and the other back-up roll. Rolling loads are applied to points A, B 1 , B 2 by a rolling reduction device. The rolling material speed in the inlet side is synchronized with the circumferential speed of the lower side work roll, and the rolling material speed in the outlet side is synchronized with the circumferential speed of the higher side work roll due to different speed rolling at A point and frictional forces at B 1 , B 2 points, and further the rolling material speed and the circumferential speeds of the work rolls are set to such a speed as to eliminate the presence of the neutral point at A point, so that the influence of friction to rolling is vanished. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过适当地考虑与轧制负荷的关系来稳定地向非常薄的待轧制金属板施加板张力的轧机，特别是使用简单结构的四级轧机，从而制造通常难以制造的极薄的片材。
解决方案：两个工作辊由不同的圆周速度驱动装置以不同的圆周速度驱动。在通过工作辊之间的（A）之前，将轧制材料设置成在低速侧工作辊和一个支撑辊之间通过（B 1 ）。在通过工作辊之间的（A）之后，将轧制材料设置成在高速侧工作辊和另一个支撑辊之间通过（B 2 ）。通过轧制装置将轧制载荷施加到点A，B 1 ，B 2 。入口侧的轧制材料速度与下侧工作辊的圆周速度同步，出口侧的轧制材料速度由于在A点处的不同速度轧制而与上侧工作辊的圆周速度同步 B＆lt; SB＆gt; B＆lt; SB＆gt; 2＆lt; / SB＆gt;点的摩擦力，进一步将轧制材料速度和工作辊的圆周速度设定为这样的速度，以消除存在在A点处的中性点，使摩擦对轧制的影响消失。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JPH11277107A Cluster type rolling mill, and rolling method 失效
标题翻译：集团式轧制机和轧制方法
公开(公告)号：JPH11277107A
公开(公告)日：1999-10-12
申请号：JP8383698
申请日：1998-03-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YOSHIMURA YASUTSUGU , KAJIWARA TOSHIYUKI , TAKAKURA YOSHIO , KOBAYASHI YUJIRO , TABATA SHUICHI
IPC分类号： B21B27/02 , B21B13/02 , B21B13/14 , B21B27/05 , B21B29/00 , B21B31/02 , B21B31/18
CPC分类号： B21B13/147 , B21B13/023 , B21B27/05 , B21B31/18
摘要： PROBLEM TO BE SOLVED: To excellently control the shape while suppressing the deflection of a work roll by providing a pair of upper and lower reinforcement roll chocks which support upper and lower reinforcement rolls respectively and are movable in a housing in a vertical direction, and a driving means to shift an intermediate roll in the axial direction.
SOLUTION: Intermediate rolls 9U, 9L, 10U, 10L of a cluster type rolling mill 3 are shifted in the axial direction, or the desired profile is given to the intermediate rolls 9U, 9L, 10U, 10L by applying the bending force by hydraulic cylinders 19L, 19U, and the load distribution becomes appropriate, and the deflection of work rolls 8U, 8L is further suppressed. Reinforcement roll chocks 14U, 14L are movable in the vertical direction in a housing 13, the work rolls 8U, 8L, the intermediate rolls 9U, 9L, 10U, 10L, and reinforcement rolls 11U, 11L, 12U, 12L are integrated with upper and lower partners, moved in the housing 13, form an extensive space in a strip 6 when the strip is passed, and the excellent strip passing is ensured.
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：通过提供一对分别支撑上加强筋和下加强筋的上加强辊和下加强辊，并且可以在壳体中沿垂直方向移动来抑制工作辊的挠曲，从而优良地控制形状，同时抑制工作辊的偏转，并且驱动装置，用于沿轴向移动中间辊。解决方案：集束式轧机3的中间辊9U，9L，10U，10L沿轴向移动，或者通过施加液压缸的弯曲力将期望的轮廓给予中间辊9U，9L，10U，10L 19L，19U，负荷分布适当，进一步抑制工作辊8U，8L的偏转。加强辊轴承座14U，14L可在壳体13中沿垂直方向移动，工作辊8U，8L，中间辊9U，9L，10U，10L和加强辊11U，11L，12U，12L与上部下部配合件在壳体13中移动时，当条带通过时在条带6中形成广泛的空间，并且确保了优良的条带通过。

3. 发明专利

JP2001137907A HOT-ROLLING METHOD AND STECKEL HOT-ROLLING MILL 失效
公开(公告)号：JP2001137907A
公开(公告)日：2001-05-22
申请号：JP32556299
申请日：1999-11-16
申请人： HITACHI LTD
发明人： KOBAYASHI YUJIRO , KAJIWARA TOSHIYUKI , YOSHIMURA YASUTSUGU , HORII KENJI , HIRANO SATOSHI
IPC分类号： B21B1/00 , B21B1/34 , B21B13/02 , B21B27/10 , B21B37/74 , B21B37/76 , B21B45/00 , B21B45/02 , B21B45/08 , C21D8/02 , C21D9/68 , B21B37/00
摘要： PROBLEM TO BE SOLVED: To obtain a high quality material, to which the hot-rolling of a carbon steel can be applied by the use of a Steckel hot-rolling mill and of which metallurgical structure is reformed. SOLUTION: A rolling material 1 is heated by a heating device 5 arranged between a furnace coiler 16 and the rolling mill 2 and held for a fixed time to execute again the solid-solution heating to deposited material. For minimizing the necessary heating capacity in the heating device 5, the solid-solution heating pass is made to non-rolling reduction or extremely light rolling reduction and low speed plate passing and if necessary, this pass is repeated plural times. Particularly, the solid-solution heating pass is executed just before the last rolling pass, or the rolling material temperature just before starting the rolling is controlled to un-recrystallized austenite range or ferrite range by utilizing the heating device 5 and a cooling device 6, or at least in the last rolling pass, hot-rolling oil is applied on the rolling material 1 or an accumulated rolling reduction ratio in the un-recrystallized austenite range is made to >=50%, densirably >=60% to prevent the coarsening of the metallurgical structure crystallization in the rolled material 1.

4. 发明专利

JPH09168804A MULTI ROLL CLUSTER MILL, AND ROLLING METHOD 失效
公开(公告)号：JPH09168804A
公开(公告)日：1997-06-30
申请号：JP33301095
申请日：1995-12-21
申请人： HITACHI LTD
发明人： KAJIWARA TOSHIYUKI , NORIKURA TAKASHI , KOYAMA KENICHI , NISHI HIDETOSHI
IPC分类号： B21B3/02 , B21B13/14 , B21B29/00 , B21B31/07 , B21B31/20 , B21B31/26 , B21B31/32 , B21B37/38
摘要： PROBLEM TO BE SOLVED: To provide a multi roll cluster mill in which the accuracy of the thickness of the rolling stock is improved, and the pass of a rolling stock is facilitated by increasing the clearance between upper and lower working rolls, and its rolling method by providing a driving means to vertically moving two backing bearing shafts at the center. SOLUTION: A vertically movable frame 9 is lowered by lowering a hydraulic jack 10 to the lower limit position to lower a backing bearing group 17 loaded on the vertically movable frame 9. When the backing bearing group 17 is lowered, a lower working roll 2 is lowered together with three second intermediate rolls 6, and two first intermediate rolls 4, and a gap can be generated between an upper working roll 1 and the lower working roll 2. Because the gap is increased, the plate passing property is improved, and the rolling operability is improved.

5. 发明专利

JPH07185603A EQUIPMENT FOR PRODUCTION OF HOT SHEET MATERIAL AND PRODUCTION OF HOT SHEET MATERIAL 失效
公开(公告)号：JPH07185603A
公开(公告)日：1995-07-25
申请号：JP33489693
申请日：1993-12-28
申请人： HITACHI LTD
发明人： NARITA KENJIRO , YASUDA KENICHI , HIRAMA YUKIO , SATO KOJI , KAJIWARA TOSHIYUKI , HORII KENJI , NISHINO TADASHI
IPC分类号： B21B1/32 , B21B1/00 , B21B15/00 , B21B45/00
摘要： PURPOSE:To stably produce good-quality sheet materials by casting the sheet materials by >=1 continuous casting machines, coiling these sheet materials by a coiler and heat holding or heating the coiled sheet materials in a tunnel furnace. CONSTITUTION:The sheet materials are cast by the >=1 continuous casting machines 8 and the unequal temps. of the sheet materials generated at the time of casting are made uniform by a soaking pit 7. The sheet materials are coiled by the coiler 6 and are taken into the tunnel furnace 5. The coiled sheet materials are held hot or heated to a temp. adequate for rolling in the tunnel furnace 5. The sheet materials are moved to a discharge port and are discharged to the coiler 4. The sheet materials are coiled and held hot or heated, by which the necessary space is greatly reduced and further, the matching of the production speeds of the continuous casting machines 8 and a rolling mill group 1 is possible.

6. 发明专利

JPH0780509A HOT ROLLING EQUIPMENT 失效
公开(公告)号：JPH0780509A
公开(公告)日：1995-03-28
申请号：JP22844693
申请日：1993-09-14
申请人： HITACHI LTD
发明人： SHIMOGAMA HIRONORI , KAJIWARA TOSHIYUKI , YOSHIMURA YASUTSUGU , NISHINO TADASHI , HORII KENJI
IPC分类号： B21B1/26 , B21B1/46
摘要： PURPOSE:To shorten the length of hot rolling equipment and to make the equipment compact by coiling a rolled stock on and after a 2nd pass in a rough rolling stage and transporting the stock on the inlet side of a finishing mill which is arranged in parallel to the advancing direction. CONSTITUTION:A cast slab 24 which is continuously casted is cut into the slab 24 of an optional length with a cutting machine 2 and, after passing the slab through a soaking pit 3, width mill 4 and rough descaling device 5, rough rolling is executed with a roughing mill 6. The strip on and after the 2nd pass is coiled with a coil box 8 and the coiled coil is transferred on the inlet side of a finishing mill group which is arranged in parallel to the advancing direction of the coil with a coil transporting machine 40. The front and rear end parts of the strip 26 which is delivered from a coil delivering device 9 is cut off with a cutting machine 7 and the strip is passed through a finish descaling device 12. Successively, after reducing the thickness of the tip of the strip 26 with thickness reducing device 11, finish rolling is executed in the finishing stands 13-15.

7. 发明专利

JPH06297011A HOT ROLLING METHOD AND EQUIPMENT THEREFOR 失效
公开(公告)号：JPH06297011A
公开(公告)日：1994-10-25
申请号：JP13716692
申请日：1992-05-28
申请人： HITACHI LTD , KAWASAKI STEEL CO
发明人： KAJIWARA TOSHIYUKI , YOSHIMURA YASUTSUGU , OISHI MASAHIKO
IPC分类号： B01F3/08 , B21B1/22 , B21B13/14 , B21B27/10
摘要： PURPOSE:To greatly ameliorate the maintainability of an equipment, further, to improve the performance of the equipment in a hot rolling equipment. CONSTITUTION:Emulsion liquid made up by mixing water soluble oil wherein emulsifying property is improved by adding extreme pressure additive, oiliness improver and interfacial active agent to mineral oil and/or synthetic oil as a base and water is supplied as cooling agent from cooling headers 4, 5, 6 to a pair of upper and lower work rolls 2 and a pair of upper and lower backup rolls 3 of a four stage rolling mill 100. The water soluble oil gives satisfactory lubricity to a low temperature material and mu is large to a hot rolled stock high in temperature, therefore, lubricity is manifested without lowering biting capacity to restrain the generation of wear. Thrust in the axial direction of the roll is reduced without mounting a special lubricant spray system between the rolls and the controlability for plate crown is improved.

8. 发明专利

JPH0615320A FOUR HIGH MILL AND ROLLING METHOD 失效
公开(公告)号：JPH0615320A
公开(公告)日：1994-01-25
申请号：JP12506792
申请日：1992-05-18
申请人： HITACHI LTD , KAWASAKI STEEL CO
发明人： NISHI HIDETOSHI , KAJIWARA TOSHIYUKI
IPC分类号： B21B13/14 , B21B31/24 , B21B31/32 , B21B37/00 , B21B37/28
摘要： PURPOSE:To restrain the fluctuation in the surface quality of a rolled stock by reducing the change of the surface property and roughness of work rolls while maintaining the sheet crown control function in a four high mill with which sheet crown control is executed by fixing back-up rolls and mutually cross moving only work rolls. CONSTITUTION:The axial lines 18, 19 of upper and lower back-up rolles 3, 4 are respectively inclined in the same direction as upper and lower work rolls 1, 2 and mutually in the opposite direction to the line perpendicular to the direction of rolling pass and the straight line with which the centers of screw down devices 10a on the operation and drive sides are connected is made to align with the back-up rolls and inclined to the line perpendicular to the direction of rolling pass. Sheet crown control is executed by oppositely distributing a controlled cross angle theta around the axial lines 18, 19 of the back-up rolls. In this way, the angle that is formed by the work roll and back-up roll is decreased and the change of the surface property and roughness of the work roll is reduced.

9. 发明专利

JPH0550110A ROLLING MILL, HOT ROLLING EQUIPMENT, ROLLING METHOD AND MODIFICATION OF ROLLING MILL 失效
公开(公告)号：JPH0550110A
公开(公告)日：1993-03-02
申请号：JP2095692
申请日：1992-02-06
申请人： HITACHI LTD
发明人： KAJIWARA TOSHIYUKI , SUGIYAMA TOKUJI , TAKAKURA YOSHIO , SAKANAKA TAKAO , YOSHIMURA YASUTSUGU , YASUDA KENICHI , KAGA SHINICHI
IPC分类号： B21B1/22 , B21B1/26 , B21B13/02 , B21B13/14 , B21B15/00 , B21B27/06 , B21B27/10 , B21B28/04 , B21B31/07 , B21B31/16 , B21B31/18 , B21B35/12 , B21B37/00 , B21B37/28 , B21B45/02
摘要： PURPOSE:To offer a rolling mill excellent in control capacity of sheet crown of rolled stock capable of reducing thrust acting on working rolls by a simple constitution and of which the working rolls are crossed. CONSTITUTION:The purpose is attained by constituting the back-up rolls 8 of the rolling mill so that the axial lines of those rolls are not inclined in a horizontal plane, constituting each of the working rolls 7 so that the axial lines of those working rolls can be inclined to the axial lines of those back-up rolls in a horizontal plane and providing lubricant supplying devices 1 with which lubricant is supplied between the working roll and back-up roll. By this invention, the rolling mill with a constitution that only the working rolls are crossed is realized. Because thrust that acts on the working rolls can be reduced by the action of lubricant which is supplied between the rolls, the control capacity of sheet crown of rolled stock can be sufficiently exhibited.

10. 发明专利

JPH0550109A ROLLING MILL AND ROLLING METHOD 失效
公开(公告)号：JPH0550109A
公开(公告)日：1993-03-02
申请号：JP21337091
申请日：1991-08-26
申请人： HITACHI LTD , HITACHI NUCLEAR ENG
发明人： TAKAKURA YOSHIO , KAJIWARA TOSHIYUKI , SHIRAIWA HIROYUKI , YASUDA KENICHI , HIRAMA YUKIO
IPC分类号： B21B13/14 , B21B29/00 , B21B37/38
摘要： PURPOSE:To attain the ultimate reduction of diameter of working roll by increasing, the rigidity of working roll in a rolling mill where the working roll with very small diameter which high surface quality is required is used. CONSTITUTION:The force in the horizontal direction of the working roll 1 is supported by supporting both ends of barrel part of the working roll outside the maximum width of a rolled stock 20 with plural support rollers 4, 5, 6, 7 and then reverse bending control is executed so that horizontal deflection of the working roll 1 is always minimized with the outermost support rollers 5, 7. Further, when the horizontal force is decreased by making offset of the working roll 1 variable, effect of reverse bending control is improved. By this invention, diameter reduction is achieved more remarkably than in the conventional practice and stable rolling for hard thin material can be executed with high quality.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式