EP1715967B1 - Verfahren und einrichtung zum wechseln von walzensätzen in walzgerüsten einer walzstrasse - Google Patents

Verfahren und einrichtung zum wechseln von walzensätzen in walzgerüsten einer walzstrasse Download PDF

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Publication number
EP1715967B1
EP1715967B1 EP05706957A EP05706957A EP1715967B1 EP 1715967 B1 EP1715967 B1 EP 1715967B1 EP 05706957 A EP05706957 A EP 05706957A EP 05706957 A EP05706957 A EP 05706957A EP 1715967 B1 EP1715967 B1 EP 1715967B1
Authority
EP
European Patent Office
Prior art keywords
roll
sets
transversely displaceable
carriages
moved
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.)
Expired - Lifetime
Application number
EP05706957A
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German (de)
English (en)
French (fr)
Other versions
EP1715967A1 (de
Inventor
Harald Rackel
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 Siemag AG
Original Assignee
SMS Demag AG
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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1715967A1 publication Critical patent/EP1715967A1/de
Application granted granted Critical
Publication of EP1715967B1 publication Critical patent/EP1715967B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B21B31/08—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 a device for changing sets of rolls in rolling stands of a rolling mill with several rolling stands, each having support and work roll sets, by supporting and then extending in the axial direction of a work roll set or a support roll set on the operator side in a roll workshop and subsequent retraction and Installing new sets of rollers.
  • roller set changeover method is known from DE 43 21 663 A1 known.
  • support plates are equipped with at least two juxtaposed pairs of rails.
  • the work roll sets themselves are mounted on rollers.
  • Pits are set up in front of the rolling stands, on the basis of which extension rails are provided for supporting roll sets.
  • the pits are covered by flaps, which also carry rails on which the sets of work rolls are extended or retracted. Neither the construction with pits nor the laying of the rails over the pit is particularly favorable.
  • the invention has for its object to propose a flexible method for changing the sets of rolls from selected rolling stands at device engineering little effort and to tune the process to the workflow in a roller workshop.
  • the stated object is achieved in that the spent by a number on the operator side of the number of rolling mills number of separate Querverschiebewagen worn sets of work rolls on a single connecting track consecutively spent by a single locomotive in the roller workshop and moved back from there the new sets of work rolls and change intervals be placed on the respective transverse transfer carriage between the rolling stands and that after releasing the operator side by the transverse transfer carriage after a developed, worn set of work rolls extended the support roll sets and brought by crane in the roll workshop, maintained, transported back and re-installed in the associated rolling stands.
  • the method initially separates the changing of the sets of work rolls from changing the sets of support rolls and is therefore more flexible. The method is also cheaper because of the lower cost. Then, the operation can be applied to individual rolling stands and the change of sets of rolls.
  • a simplification of the known methods in coordination with the roll workshop and a time savings are achieved in that set in a start position in front of each rolling mill, the transverse transfer carriage simultaneously to the change distance, extended work roll sets extended, retracted by transverse process on the other half wagon the new sets of work rolls and the worn sets of work rolls In each case, they are moved from their transverse transfer carriages via sliding strips on the chock into the roller workshop, unloaded and a new set of work rolls is returned to the starting position.
  • a further simplification is achieved in that in the starting position, respectively, the worn work roll set is pulled onto the associated one half of the wagon and that coming from the roll workshop, the new set of work rolls, which corresponds to the exchange distance in front of the rolling stands, axially spaced on the other half of the carriage is pushed.
  • a temporal and local selection of rolling sets to be changed and of the rolling stands concerned can also be achieved by successively moving the transverse shifting carriages out of their defined rolling mill installation or removal positions in the rolling direction. As a result, appropriate conditions for the replacement of backup roller sets can be created.
  • An embodiment of the invention is that in each case over the intermediate plates pivoted in the horizontal repeatable set exactly the distances and the change positions to an adjacent rolling stand between the transverse transfer cars and that the set exchange distances when pivoting or vertical positions of the intermediate plates and / or the connection plates are repealed. This allows an accurate approach of the retraction position of the work roll sets are facilitated in the mill stand.
  • Another embodiment is that empty transverse transfer cars are driven and parked in pivoted-intermediate plates in a parking position at one and / or other end of the rolling train.
  • the apparatus for changing sets of rolls in rolling mills of a rolling mill with a plurality of rolling stands is based on a prior art, which provides each support and work roll sets, with a drive for Querauswill or transverse installation of the sets of rollers, parallel to the rolling direction rails for Querverschiebewagen in the foundation and connecting tracks are moved to a roller workshop, and the trolley are connected to a drive.
  • a device in that the transverse transfer carriage on rails continuously laid in the foundation parallel to the rolling direction between the rolling stands fixed distances are movable, which are controllable by means of pivotable intermediate plates and that only one connecting track perpendicular to the rails in the roll workshop runs on which only a locomotive drives, to each of which a set of work rolls can be coupled and uncoupled.
  • the cooperation with the roller workshop is more flexible than before, a part of the modules can be automated and the device complexity and investment are relatively low.
  • a desired space savings in front of the rolling stands is achieved in that the intermediate plates are each in the vertical up or swiveled or adjustable in the horizontal.
  • These modules can also be operated automatically, so that crane work is saved.
  • each stationary and hinged mounted connection plates are arranged, which allow moving all Querverschiebewagen together with the pivotable intermediate plates to at least half of a transverse sliding carriage.
  • the rolling train 1 is formed, for example, from three rolling stands 2, 3 and 4. Each roll stand 2, 3, 4 each has a support roll set 5 in the operating position and worn work roll sets 6 with chocks.
  • the Häwalzen- and Stitzwalzen arrangements 5, 6 are already removed and are each on a first Querverschiebewagen 9, a second Querverschiebewagen 10 and a third Querverschiebewagen 11.
  • the work roll sets 6 (or 6a) each consist of two by means of chocks Supports supported on top and bottom rollers, as well (not shown in the expansion phase) support roller sets 5.
  • Fig. 1 is the Given start position 1a, the roll change takes place on the operator side 1b.
  • a worn set of work rolls 6 is marked from the side (Fig. 1) and from the top in Figs. 2-8, each with a cross in the drawing and as a new set of work rolls 6a without a cross.
  • On the operator side 1b is a number of the number of rolling stands 2, 3, 4 corresponding separate transverse transfer cars 9,10, 11, which receive from a roll workshop 20 new sets of work rolls 6a.
  • the worn work roll sets 6 are pulled out by means of work roll extension cylinders 8 and a locomotive 21.
  • the movements of the individual transverse displacement carriages 9, 10, 11, which are each equipped with their own travel drive, take place on a single connecting track 14a to the roller workshop 20, the transverse displacement carriages 9, 10, 11 being moved by the rails 14 in the rolling direction 13.
  • the process on the connection track 14a is performed with only a single locomotive 21.
  • the transverse transfer carriages 9, 10, 11 are controlled by spacer means 7.
  • the worn support roll sets 5 can be extended and brought by crane into the roll workshop 20, re-ground, returned and into the associated rolling stands 2, 3, 4 be reinstalled and locked.
  • the movability of the transverse displacement carriages 9, 10, 11 on the rails 14 in the foundation pit 15a of the foundation 15 secures a respective gap 12 (see also Fig. 9A) for removal or replacement of the support roller sets 5.
  • the transverse transfer carriages 9, 10, 11 are arranged with a right half for worn sets of work rolls 6 at change distances 2a, 3a, 4a (in three rolling stands) and with the other, left half to new sets of work rolls 6a.
  • the spacing means 7 consist in the exemplary embodiment of pivotable Intermediate plates 7a.
  • the intermediate plates 7a are relatively light and thin, so that a crane is not required for the manipulation.
  • the work roll sets 6a are, as shown in FIGS. 2 and 3, just arrived from a remote Walzenwe rkstatt 20.
  • the sets of work rolls 6a are coupled to the locomotive 21 and transferred to the transverse transfer carriages 9, 10, 11.
  • Fig. 2 the starting position 1a is further shown in front of each rolling mill 2, 3, 4, wherein the transverse transfer carriages 9, 10, 11 are adjusted by means of tilted intermediate plates 7a in the horizontal.
  • the worn work roll sets 6 are then extended (FIG. 3). After transverse processes on the other half of the wagon, the new sets of work rolls 6a are retracted into the respective roll stand 2, 3, 4.
  • the worn work roll sets 6 are then moved to the roller workshop 20 for maintenance.
  • a new work roll set 6a is returned to the start position 1a (FIG. 2), after which the cycle begins again.
  • a special feature here is that in the starting position 1a each of the worn set of work rolls 6 is pulled onto the associated half of the wagon and that the new set of work rolls 6a, which is set to the alternating distance 2a, 3a, 4a in front of the rolling stands 2, 3, 4, on the another half of the car launched and thereby already an accurate adjustment is made.
  • all new work roll sets 6a are in their installed position relative to the roll stands 2, 3 and 4, and are produced by means of the work roll entry cylinders 8 and the locomotive 21 inserted and then locked in the scaffold.
  • Fig. 5 the new sets of work rolls 6a are inserted in the rolling stands 2, 3, 4 and locked in the operating position.
  • the intermediate plates 7a which are each pivoted over into the horizontal, are set exactly in the distances and the changing positions to an adjacent roll stand 2, 3, 4 between the transverse displacement carriages 9, 10, 11, wherein the stationarily mounted connection plates 18 at the ends the rails 14 close the remaining gaps.
  • the distances between the transverse displacement carriages 9, 10, 11 can be canceled by pivoting or vertical positioning of the intermediate plates 7a and / or the connection plates 18, as shown in FIG. 6.
  • the transverse displacement carriages 9, 10, 11 arrive successively in a connection position to the locomotive 21 on the connecting track 14 a.
  • the respective worn set of work rolls 6 is moved to the roll workshop 20 and replaced there by the new set of work rolls 6a.
  • a worn pair of work rolls 6 are respectively driven by the locomotive 21 into the roll workshop 20, where they are again exchanged for a new set of work rolls 6 a and driven back again, which has already been completed in FIG. 8.
  • the second set of work rolls 6 has already been moved back out of the roll shop 20 with a new set of work rolls 6a. It is only the third worn work roll set to drive 6 in the roller workshop 20.
  • the intermediate plates 7a are each individually articulated on a transverse displacement carriage 9, 10, 11 and are moved up or down with a pneumatic or hydraulic piston-cylinder drive 17 entrained on the carriage.
  • piston-cylinder drives 17 are arranged on the connection plates 18 and twice on the first transverse displacement carriage 9 and on one side, on the right of the second and third transverse displacement vehicles 10 and 11.
  • the transverse transfer carriages 9, 10 and 11 are each moved after loading with a new set of work rolls 6a according to FIG. 10 back into the expansion position in front of the rolling stands 2, 3.4. Subsequently, the intermediate plates 7a are raised to the horizontal and lowered the connection plates 18 in the horizontal. The new sets of work rolls 6a are thus prepared for a quick change of worn sets of work rolls 6 in position.
  • the invention also allows changing of individual worn sets of work rolls 6.
  • transverse transfer carriages 9, 10, 11, the horizontally pivoted intermediate plates 7a and at the ends of a foundation pit 15a and high horizontally swivelable, fixed rotatably mounted connection plates 18 form in the horizontal a continuously accessible work surface 19th
  • 1, 2-5 and 10 are at the ends of the rails 14 which extend parallel to the rolling direction 13, each fixed rotatably mounted and adjustable upwards in the vertical connection plates 18, which together with the intermediate plates 7a, the work surface 19th form.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Handcart (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP05706957A 2004-02-18 2005-01-21 Verfahren und einrichtung zum wechseln von walzensätzen in walzgerüsten einer walzstrasse Expired - Lifetime EP1715967B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004007831A DE102004007831A1 (de) 2004-02-18 2004-02-18 Verfahren und Einrichtung zum Wechseln von Walzensätzen in Walzgerüsten einer Walzstraße
PCT/EP2005/000593 WO2005089972A1 (de) 2004-02-18 2005-01-21 Verfahren und einrichtung zum wechseln von walzensätzen in walzgerüsten einer walzstrasse

Publications (2)

Publication Number Publication Date
EP1715967A1 EP1715967A1 (de) 2006-11-02
EP1715967B1 true EP1715967B1 (de) 2007-11-21

Family

ID=34813472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05706957A Expired - Lifetime EP1715967B1 (de) 2004-02-18 2005-01-21 Verfahren und einrichtung zum wechseln von walzensätzen in walzgerüsten einer walzstrasse

Country Status (8)

Country Link
US (1) US7698923B2 (https=)
EP (1) EP1715967B1 (https=)
JP (1) JP4785754B2 (https=)
CN (1) CN100415399C (https=)
DE (2) DE102004007831A1 (https=)
RU (1) RU2363555C2 (https=)
UA (1) UA87677C2 (https=)
WO (1) WO2005089972A1 (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
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FR2893867B1 (fr) * 2005-11-25 2008-02-15 Vai Clecim Soc Par Actions Sim Procede de gestion des cylindres dans un atelier de laminage et installation pour sa mise en oeuvre
DE502007000613D1 (de) 2006-01-09 2009-05-28 Sms Demag Ag Verfahren und einrichtung zum wechseln 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
RU2345855C2 (ru) * 2006-12-12 2009-02-10 Общество с ограниченной ответственностью "Уралмаш-Инжиниринг" Стенд для сборки и разборки прокатных валков
DE102007061027A1 (de) 2006-12-28 2008-07-03 Sms Demag Ag Walzenwechsellokomotive
RU2338608C1 (ru) * 2007-02-01 2008-11-20 Открытое акционерное общество "Электростальский завод тяжелого машиностроения" Стенд для снятия подшипников прокатных валков
DE102007049669A1 (de) * 2007-10-17 2009-04-23 Sms Demag Ag Schleusenvorrichtung und Verfahren zum Öffnen der Schleusenvorrichtung
CN101990472B (zh) * 2008-04-11 2013-01-30 西门子Vai金属科技有限公司 钢带的可逆轧制设备
CN100569408C (zh) * 2008-08-14 2009-12-16 蒋明生 手工板冷弯成型机
DE102009037665A1 (de) 2009-08-14 2011-02-17 Sms Siemag Ag Vorrichtung zum Handhaben und/oder Transportieren von Walzen eines Walzgerüsts
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
DE102013224633A1 (de) * 2013-01-14 2014-07-17 Sms Siemag Ag Gieß-Walzanlage sowie Verfahren zum Aus- und Einbau von Walzen in einem Reduziergerüst der Gieß-Walzanlage
WO2015050823A2 (en) * 2013-10-02 2015-04-09 Fives Bronx, Inc. Roll change apparatus
CN104259365B (zh) * 2014-08-28 2016-04-27 太原重工股份有限公司 锻造压机砧库
RU182013U1 (ru) * 2017-05-23 2018-07-31 Федеральное государственное бюджетное образовательное учреждение высшего образования "Липецкий государственный технический университет" (ЛГТУ) Устройство для поддержания шпиндельных валов клети правильной машины при их монтаже и демонтаже
CN109304588B (zh) * 2018-09-14 2021-01-29 金川集团股份有限公司 一种球磨机对开式大齿轮更换安装方法
EP3766595A1 (de) 2019-07-17 2021-01-20 Primetals Technologies Austria GmbH Kaltwalzen von walzgut
JP7393549B2 (ja) * 2019-12-11 2023-12-06 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 有利には前接続された鋳造装置と接続している、モジュール式の圧延ライン、特に熱間圧延ライン
EP4072747B1 (de) 2019-12-11 2024-02-07 SMS Group GmbH Warmwalzgerüst für ein warmwalzwerk und zum herstellen eines metallenen flachprodukts, warmwalzwerk sowie verfahren zum betreiben eines warmwalzwerks
CN111618090A (zh) * 2020-04-02 2020-09-04 中冶华天工程技术有限公司 一种用于重载型h型钢、云轨串列轧机辊系换辊横移装置
CN117718334B (zh) * 2023-11-30 2026-01-23 大连华锐重工集团股份有限公司 一种空间紧凑型厂房内的轧机机架更换系统

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DE10138588A1 (de) * 2001-08-06 2003-02-20 Sms Demag Ag Einrichtung zum Wechseln der Arbeits- und Stützwalzen eines Bandwalzwerkes

Also Published As

Publication number Publication date
WO2005089972A1 (de) 2005-09-29
UA87677C2 (ru) 2009-08-10
JP2007522943A (ja) 2007-08-16
JP4785754B2 (ja) 2011-10-05
US20090013745A1 (en) 2009-01-15
CN100415399C (zh) 2008-09-03
DE102004007831A1 (de) 2005-09-01
US7698923B2 (en) 2010-04-20
CN1921959A (zh) 2007-02-28
RU2363555C2 (ru) 2009-08-10
EP1715967A1 (de) 2006-11-02
DE502005002039D1 (de) 2008-01-03
RU2006133335A (ru) 2008-04-10

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