EP3074148B1 - Vorrichtung zur anstellung einer walze in einem walzgerüst - Google Patents

Vorrichtung zur anstellung einer walze in einem walzgerüst Download PDF

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Publication number
EP3074148B1
EP3074148B1 EP14802876.4A EP14802876A EP3074148B1 EP 3074148 B1 EP3074148 B1 EP 3074148B1 EP 14802876 A EP14802876 A EP 14802876A EP 3074148 B1 EP3074148 B1 EP 3074148B1
Authority
EP
European Patent Office
Prior art keywords
roll
drive shaft
motor
pressure spindle
lubricant
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.)
Active
Application number
EP14802876.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3074148A1 (de
Inventor
Hans-Jürgen Bender
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.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
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Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3074148A1 publication Critical patent/EP3074148A1/de
Application granted granted Critical
Publication of EP3074148B1 publication Critical patent/EP3074148B1/de
Active 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
    • B21B31/24—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating

Definitions

  • the invention relates to a device for adjusting a roll in a roll stand of a roll stand. Moreover, the invention relates to such a roll stand for rolling in particular metallic rolling stock.
  • An apparatus for adjusting a roll in a rolling stand according to the preamble of claim 1 is known from the Japanese patent application JP 63020107 A , This document discloses a rolling stand with a roll stand and the said device for adjusting the roller, here for employment of the upper support roller.
  • the device comprises a motor in the form of a hydraulic motor which rotates a pressure spindle via a worm gear.
  • the pressure spindle is rotatably mounted on the upper side of a roll stand of the roll stand with a vertical axis of rotation. During its rotation, the pressure spindle moves in the vertical direction and acts on the chock of the upper support roller.
  • the European patent application EP 1 477 243 A2 discloses a device for adjusting a roll in a roll stand of a roll stand.
  • the apparatus comprises a motor in the form of a hydro or torque motor for adjusting the vertical position of the roller and a drive shaft rotatably driven by the motor.
  • the device has a vertically displaceably mounted pressure spindle for transmitting a contact force to the roller.
  • the pressure spindle has on its motor-side end face on an axially aligned cylindrical receiving space into which projects the drive shaft.
  • the pressure spindle and the drive shaft are rotationally coupled together in the interior of the receiving space via a positive connection.
  • the present invention seeks to provide for a known device for hiring a roller in a roll stand of a rolling mill and for a corresponding known rolling mill an alternative positive rotational coupling between the pressure spindle and the drive shaft.
  • This object is achieved with respect to the device for adjusting the roller by the subject matter of claim 1.
  • This is characterized in that the positive connection is formed by the pressure spindle on the inside of its receiving space distributed over its circumference has a spline profile and that the drive shaft in Shape of a splined shaft is designed to engage in the splined hub profile.
  • motor-side end face refers to that end face of the pressure spindle, which faces the motor.
  • the motor-side end face opposite the end face, which faces the chock of the roller.
  • the implementation of the spline hub is advantageously carried out by the fact that a wedge hub sleeve is used in the axial direction on the motor side end of the pressure spindle, which is non-rotatably and preferably also in the axial direction 29iebeêt connected to the pressure spindle and which forms the receiving space with the splined hub profile.
  • the use of the wedge hub sleeve offers the advantage that it is easier and less expensive to produce than the formation of the splined hub profile directly on the inside of the receiving space of the pressure spindle.
  • the wedge hub sleeve has the advantage that it can be easily replaced when wearing the splined hub profile as a wearing part.
  • a clutch is advantageously provided to the engine - if z. B. required for maintenance - to be able to decouple from the drive shaft.
  • the roll stand comprises a thrust bearing for rotatably supporting the drive shaft and the thrust bearing is held by means of a mounted on the upper side of the roll stand first support means in a fixed predetermined vertical distance to the top of the roll stand.
  • the thrust bearing is arranged in a lubricant chamber, which is supplied via a lubricant inlet with lubricant.
  • a lubricant inlet with lubricant.
  • an overflow for the lubricant is arranged, which ensures that the level of the lubricant inside the lubricant chamber does not exceed a predetermined level, specified by the height of the overflow.
  • the running through the overflow excess lubricant is inventively of a cup-shaped lid on the motor side Received end face of the pressure spindle and passed from there through a first annular gap between the drive shaft and the edge of a circular opening through which the drive shaft is guided through, in the cylindrical receiving space of the pressure screw. From the cylindrical receiving space, the lubricant is then passed through a lubricant outlet in a second annular gap between the pressure spindle and the inside of a hole in the roll stand for lubrication of the pressure spindle there.
  • FIG. 1 shows the inventive device 100 for adjusting a roller in a roll stand 210 of a rolling stand.
  • the device comprises a motor 110, preferably a torque motor or a hydraulic motor, called a hydrometer for short, for providing a setting position for the roller.
  • the motor 110 is arranged above the stand 210 and is supported there by a second support device 250 opposite the top side of the roll stand 210, the second support device in turn being supported on a first support device 240. With the help of the support means, the motor 110 is positioned at a fixed distance d2 to the top of the roll stand 210.
  • the hydraulic motor is axially aligned with a drive shaft 120, which is rotationally driven by it.
  • a clutch 150 is preferably provided, which is arranged within the second support means.
  • the drive shaft 120 is in a thrust bearing 230, which, as in FIG. 1 shown, by way of example in the transition region between the first and second support means 240, 250 is disposed at a predetermined height d1 above the top of the roll stand 210. Due to the bearing of the drive shaft 120 in the axial bearing, the drive shaft is also held in a predefined relative position or height relative to the roll stand 210.
  • the drive shaft 120 serves to transmit a predetermined torque by the motor 110 to a pressure spindle 130, which in turn serves to transmit the contact force to the roller.
  • the shaft of the motor 110 on one side of the clutch, the drive shaft 120 on the other side of the clutch and the rotary spindle 130 are arranged axially in series; that is their respective center lines are aligned in the axial, here vertical direction W.
  • the hydro or torque motor is preferably designed for applying a rated torque in roughing stands of a conventional hot strip mill of> 4 kNm or heavy sheet metal stands of> 30 kNm. These values are valid under the assumption of very favorable, low friction conditions; for safety reasons, these values for the parktician application still have to be charged with a safety factor.
  • On the motor-side end face 132 of the pressure spindle 130 an axially aligned cylindrical receiving space 140 is formed for receiving the drive shaft 120 in the assembled state of the device. For transmitting the torque predetermined by the motor to the pressure spindle 130, the drive shaft 120 with the pressure spindle 130 in the interior of the receiving space 140, preferably positively, rotationally coupled.
  • the pressure spindle 130 is provided on the inside of its receiving space 140 as a splined hub, that is distributed over the circumference with a splined hub profile, and at the same time the drive shaft is designed in the form of a splined shaft for engaging in the spline profile of the pressure spindle 130.
  • the positive connection also by training the recording room the pressure spindle be realized as Dahlkantnabe and the drive shaft as a polygonal shaft, wherein the polygonal shaft with the Dahlkantnabe can be brought into engagement.
  • the pressure spindle acts on the chock of the roller in the rolling stand via a so-called pressure pot 160.
  • the pressure spindle 130 acts via the pressure cup 160 on the bearing bushes, also called chocks, the work rolls, while it acts on a quarto scaffolding, comprising two working and two support rollers on the chocks of the support rollers.
  • the pressure pot 160 serves to decouple the rotational movement of the spindle from their simultaneous vertical movement, so that acts on the respective chock of the roller to be set a pure vertical movement without rotation portion.
  • the vertical movement of the pressure spindle 130 is effected by a pressure nut 170, which is non-rotatably installed in the roll stand 210.
  • the pressure spindle 130 is screwed into the pressure nut 170.
  • the pressure nut simultaneously causes the vertical movement of the pressure spindle, whereby the setting position for the arranged below the pressure pot 160 chock of the roller can be adjusted.
  • FIG. 2 shows some of the already in FIG. 1 shown elements of the device according to the invention in more detail.
  • the splined profile 134 can be seen on the inside of the cylindrical receiving space 140, wherein this spline profile is formed in a splined hub sleeve 135, which in FIG. 2 shown in longitudinal section as well as in cross section.
  • the wedge hub sleeve in turn, for example, via feather keys, in FIG. 2 not shown, be arranged against rotation in the receiving space 140.
  • the splined shaft 120 is configured, which engages in the spline hub for the purpose of transmitting the torque.
  • a lubricant chamber 245 is arranged, which is supplied via a lubricant inlet 246 with lubricant.
  • the lubricant is used in particular for lubricating the axial bearing 230.
  • the cover 136 has a circular opening for passing through the spline 120. Between the spline 120 and the edge of the circular opening of the cover, an annular gap 248 is formed through which the lubricant flows further down into the receiving space 140 for lubricating the there or wedge gear, each consisting of hub and shaft.
  • the lubricant then flows through a lubricant outlet 249 in the pressure screw in a second annular gap 270 between the pressure spindle 130 and a bore in the roll stand 210, in which the pressure spindle is mounted.
  • a position sensor 180 may be arranged stationary for detecting the respective current position of the roller 260.
  • the position sensor knows, for example, a transmitter rod 182, which is preferably guided in an axial bore 192.
  • the bore passes through the motor 110, through the coupling 150, through the drive shaft or spline 120 and through the Pressure spindle 130 except for the pressure pot 160.
  • the encoder rod 182 projects into the bore of the pressure spindle piece by piece and is there passed through an annular magnet 190 which is fixedly connected to the pressure spindle. In a vertical movement of the pressure spindle, the magnet is moved relative to the stationary encoder rod 182 vertically. Due to this relative movement between the magnet and the encoder rod, the position sensor 180 detects the respectively current position of the pressure spindle 130.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Rolling Contact Bearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Gear Transmission (AREA)
EP14802876.4A 2013-11-29 2014-11-24 Vorrichtung zur anstellung einer walze in einem walzgerüst Active EP3074148B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013224644.7A DE102013224644A1 (de) 2013-11-29 2013-11-29 Vorrichtung zur Anstellung einer Walze in einem Walzgerüst
PCT/EP2014/075431 WO2015078822A1 (de) 2013-11-29 2014-11-24 Vorrichtung zur anstellung einer walze in einem walzgerüst

Publications (2)

Publication Number Publication Date
EP3074148A1 EP3074148A1 (de) 2016-10-05
EP3074148B1 true EP3074148B1 (de) 2017-11-22

Family

ID=51982563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14802876.4A Active EP3074148B1 (de) 2013-11-29 2014-11-24 Vorrichtung zur anstellung einer walze in einem walzgerüst

Country Status (8)

Country Link
US (1) US10124380B2 (zh)
EP (1) EP3074148B1 (zh)
JP (1) JP6242491B2 (zh)
KR (1) KR101817686B1 (zh)
CN (1) CN105934287B (zh)
DE (1) DE102013224644A1 (zh)
RU (1) RU2631550C1 (zh)
WO (1) WO2015078822A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105363789B (zh) * 2015-11-16 2017-04-12 中国兵器工业第二一三研究所 一种切割索成型机轧辊轴间距调节机构
DE102017214897B4 (de) * 2017-08-25 2019-03-21 Kocks Technik Gmbh & Co Kg Anstellbares Walzgerüst für das Walzen von stabförmigem Walzgut mit einer asymmetrischen Verzahnung zwischen den Exzenterbuchsen sowie Exzenterbuchse mit asymmetrischer Verzahnung
DE102018214583A1 (de) 2018-08-29 2020-03-05 Sms Group Gmbh Vorrichtung zum Anstellen eines Gegenstandes

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1190759A (en) 1915-05-17 1916-07-11 Waverly Heating And Supply Company Sheet-metal joint.
DE412920C (de) 1924-02-10 1925-05-02 Fried Krupp Grusonwerk Akt Ges Stellvorrichtung der Druckspindeln bei Walzwerken
GB640302A (en) * 1946-12-19 1950-07-19 Victor Bohler An improved device for adjusting the upper working roll in a mill-stand
SU111577A1 (ru) * 1957-03-04 1957-11-30 А.П. Кононенко Устройство дл автоматической установки рабочих валков в параллельных плоскост х
US3104567A (en) 1960-09-19 1963-09-24 United Eng Foundry Co Rolling mill screwdown apparatus
GB1086845A (en) * 1964-11-06 1967-10-11 Schloemann Ag An improved roll-gap setting device in a rolling mill
AT253448B (de) * 1965-07-14 1967-04-10 Voest Ag Vorrichtung zur fehlerarmen Übertragung der Drehbewegung einer Anstellspindel von Walzgerüsten auf die Antriebswelle eines empfindlichen Drehmelders
DE1602030A1 (de) 1967-05-30 1970-05-06 Krupp Gmbh Walzgeruest
SU386691A1 (ru) * 1971-04-12 1973-06-21 Устройство для перемещения корпуса с рабочим валком
DE2904574A1 (de) * 1979-02-07 1980-08-21 Schloemann Siemag Ag Anstellgetriebe fuer die radialanstellung von walzen von walzgeruesten
JPS6320107A (ja) 1986-07-11 1988-01-27 Sumitomo Metal Ind Ltd 圧延機の圧下装置
JPH0780515A (ja) * 1993-09-14 1995-03-28 Nippon Steel Corp 胴幅可変圧延ロール
JPH07218300A (ja) 1993-12-28 1995-08-18 Nippon Steel Corp 圧延機の油圧制御系の診断方法及び診断装置
JPH08108204A (ja) 1994-10-05 1996-04-30 Nippon Steel Corp 圧延機の油圧圧下装置及びその方法
DE10322664A1 (de) 2003-05-16 2004-12-02 Sms Demag Ag Hilfsanstellvorrichtung für Walzgerüste
CN201140197Y (zh) * 2007-12-19 2008-10-29 中冶赛迪工程技术股份有限公司 一种线棒材初轧开坯机装置
CN201692991U (zh) 2010-06-14 2011-01-05 太原矿山机器集团有限公司 带双驱动的轧机压下装置
CN201855834U (zh) 2010-10-22 2011-06-08 天津津重重工机器设备制造有限公司 四辊轧机工作辊的压下装置
CN201969730U (zh) 2010-11-24 2011-09-14 马鞍山钢铁股份有限公司 短应力线轧机的压下调整装置
CN202343573U (zh) * 2011-11-29 2012-07-25 洛阳璋泰非标机械有限公司 轧辊压下量调整机构
JP6320107B2 (ja) 2014-03-26 2018-05-09 杏林製薬株式会社 口腔内崩壊錠

Also Published As

Publication number Publication date
KR20160090346A (ko) 2016-07-29
US10124380B2 (en) 2018-11-13
US20160375475A1 (en) 2016-12-29
JP6242491B2 (ja) 2017-12-06
EP3074148A1 (de) 2016-10-05
CN105934287A (zh) 2016-09-07
RU2631550C1 (ru) 2017-09-25
KR101817686B1 (ko) 2018-01-15
WO2015078822A1 (de) 2015-06-04
CN105934287B (zh) 2017-11-03
DE102013224644A1 (de) 2015-06-03
JP2016538137A (ja) 2016-12-08

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