EP2571639A1 - Procédé et dispositif de coulée continue d'une barre métallique - Google Patents

Procédé et dispositif de coulée continue d'une barre métallique

Info

Publication number
EP2571639A1
EP2571639A1 EP11719243A EP11719243A EP2571639A1 EP 2571639 A1 EP2571639 A1 EP 2571639A1 EP 11719243 A EP11719243 A EP 11719243A EP 11719243 A EP11719243 A EP 11719243A EP 2571639 A1 EP2571639 A1 EP 2571639A1
Authority
EP
European Patent Office
Prior art keywords
cold
strand
leading
dummy bar
loading side
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
Application number
EP11719243A
Other languages
German (de)
English (en)
Other versions
EP2571639B1 (fr
Inventor
Alexander Raile
Reiner PÜRLING
Jürgen Müller
Lothar Fischer
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 Siemag 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 Siemag AG filed Critical SMS Siemag AG
Publication of EP2571639A1 publication Critical patent/EP2571639A1/fr
Application granted granted Critical
Publication of EP2571639B1 publication Critical patent/EP2571639B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/08—Accessories for starting the casting procedure
    • B22D11/085—Means for storing or introducing the starter bars in the moulds

Definitions

  • the invention relates to a method for the continuous casting of a metal strand, in which a flexible, to be introduced from above into a mold, at its remote from the vormértenden Kaltstrangende end a dummy head having Kaltstrang is used, which after decoupling from the hot strand to a on a
  • the cold extruder carriage receives the leading cold strand end at a loading side and moves the cold strand to a discharge side in the direction of the mold by means of a chain sprocket, of which at least one is drivable, for the next sprue.
  • the invention relates to a device for continuous casting, in particular for carrying out the method.
  • a flexible, mostly formed of chain links dummy strand is used to start a continuous casting process in a continuous casting, which closes the mold at its output with his Anfahrkopf to bring the melt in a first filling process in the mold can.
  • the forming hot strand is drawn from the strand guide of the continuous casting by means of the cold strand of the mold and then separated from the cold strand.
  • the cold strand is again conveyed back to the mold in order to be available for the next starting process or casting.
  • the cold strand is moved in the cycle through the continuous casting, ie it is pulled by a horizontal roller table up to the level of the casting platform, for example by means of a hall crane, and there placed on a cold extruder truck, which then back in the direction Mold transported.
  • a horizontal roller table up to the level of the casting platform, for example by means of a hall crane, and there placed on a cold extruder truck, which then back in the direction Mold transported.
  • the cold extruder carriage has a loading side for receiving the cold strand drawn onto the casting platform and a discharge side for introducing the cold strand into the mold from above.
  • the transport of the cold strand in the longitudinal direction between the loading and unloading takes over an endless chain, which is driven by a front and a rear sprocket.
  • the endless chain is equipped with two gripper claws for engaging, taking away and dispensing the dummy strand.
  • the two gripper jaws are arranged at a distance from each other on the endless chain, that they engage in successive times in the loading side in mounted near the leading cold-rod end and the Anfahrkopfes seats.
  • a support plane is provided on the upper side of the cold runner to support the dummy bar during its transfer from the loading to the discharge side.
  • the length of the cold runway car, which is used for transport and storage of the dummy bar on the top of the cold runway car, must therefore be at least sized so that the complete dummy bar can be accommodated on top of the car.
  • This object is achieved with a method according to the invention in that the recorded on the loading side cold strand is deflected by the endless chain on the discharge side of an upper raceway of the cold runner on a lower track on which the cold strand with its leading cold strand end so far towards the loading side is fed until the entire cold strand is taken up wound up by the cold extruder carriage and the leading cold strand end occupies a loading transport side facing the output transport position. Due to the circulating driving style, i. Winding the entire cold strand on the cold extruder truck and thus achieved double-sided or -lagige storage of the dummy bar, the length of the cold runner can be compared to the previous design or length of a known cold run car in approximately halve.
  • the compact design of the cold runner car achieved by the circulating function with double-layer winding of the cold leg allows its spatial placement on a casting platform of a circular arc caster with a small circular arc of the strand guide and a long cold strands.
  • the cold extruded carriage can be moved freely along the casting platform in the longitudinal direction with the long cold strand mounted on its upper and lower tracks. This is advantageously achieved that despite the small arc of the strand guide of the cold extruder carriage can be positioned to transfer the cold leg on the discharge exactly in relation to the strand guide, because the cold extruded carriage does not require any bulky, bulky dimensions.
  • the cold strand is unwound by moving the leading cold strand end from its starting transport position or waiting position on the lower track from the endless chain the loading side is deflected to the upper track and fed to the discharge side. From there, the dummy bar can then be lowered until the trailing arrival head has reached its operating position.
  • a device in particular for carrying out the method according to claim 1, provides that also on the underside of the cold runway carriage a career supporting the cold strand is formed.
  • the lower raceway is arranged at some distance from the underside and the continuous endless chain of the cold runway carriage, so that a sufficient space for receiving the dummy bar is provided during its winding.
  • the lower track thus allows the double-sided storage of the dummy bar on or on the cold extrudate.
  • Both the upper and the lower track advantageously arranged in each case between the front and the rear sprocket wheel of the endless chain, is preferably designed as a roller track, which favors easy and low-friction transport of the heavy cold strand.
  • a preferred embodiment of the invention provides that the lower track is assigned both in the region of the loading side and the discharge side adjustable, extending to the top of the cold runway baffles.
  • the taken on the loading side of the cold runner and transported on the upper run or roller conveyor leading Kaltstrangende with the dummy bar is redirected by the provided on the discharge side baffle down to the lower runway or roller conveyor, the leading end of Kaltstrangende with the dummy bar on the lower runway or roller conveyor is returned so far in the direction of the loading side, until the trailing arrival head rests completely on the upper run or roller conveyor.
  • the leading cold strand end is assigned by the Beladeeite associated baffle on the upper Laufg. Redirected roller conveyor and fed to this lying on the discharge side.
  • the baffles on their inner sides on planar sliding surfaces which lie in the transition region to the rollers of the lower roller conveyor at a height level with the roller crests.
  • the endless chain is formed with hook-shaped retaining elements for engagement in the limb-like dummy strand.
  • two hook-shaped holding elements are provided with a defined distance from each other on the endless chain, so that they can intervene in successive times in the loading side of the cold runner in corresponding openings between the chain links of the dummy bar on the one hand in the vicinity of the leading cold strand ends and on the other of the rear Anfahrkopfs ,
  • the figure shows for a continuous casting plant, in particular for a circular arc continuous casting plant with a small circular arc of the strand guide and a long cold strand, a cold extrudate 1, which can be moved via drivable wheels 2, 3 on a casting platform 4 shown in dashed lines.
  • the cold extruded carriage 1 has a loading side 5, via which a flexible, limb-like dummy bar 6 is charged in the manner described in more detail below on the carriage 1, and an opposite unloading 7, unloaded at the cold strand 6 and via an insertion 8 for forwarding in a mold, not shown, is transferred with this subsequent strand guide.
  • an endless chain 1 1 indicated here only schematically, which is arranged on the unloading side 7 and the loading side 5 sprockets 12, 13th guided and driven by these.
  • the two sprockets 12, 13 are associated with the circumferential endless chain 1 1 in this area einhausende fenders 14 a, 14 b.
  • the endless chain 1 1 is provided with two spaced, hook-shaped holding elements 15 a, 15 b.
  • the hook-shaped holding elements 15a, 15b engage the cold leg 6, or detach from it, on the one hand to load on the loading side 5 on the cold extruder truck 1, to transport on this and on the other hand unload on the discharge side 7 and the insertion 8 to pass to the strand guide.
  • Both on the top 16 and the bottom 17 of the cold runner 1 each have a roller conveyor 18, 19 is formed to support the cold leg 6.
  • the lower roller track 19 is at the front and at the rear end, i. on the discharge side 7 and on the loading side 5, in each case a deflecting plate 20, 21 assigned.
  • the leading cold strand end 9 which has been pulled by a crane to the level of the casting platform 4 in a car transfer position A, is gripped by means of the hook-shaped holding elements 15a, 15b on the loading side 5, moved to the upper roller conveyor 18 and resting on this transported toward the unloading side 7.
  • the leading cold extrusion end 9 is forcibly guided over the deflection plate 20 to the lower roller conveyor 19 and supported by the latter in the direction of the loading side 5 until the entire cold strand 6 is wound up and taken up by the cold extruder carriage 1.
  • the leading cold end 9 assumes the starting transport position B1 on the lower roller conveyor 19 and the traction head 10 assumes the initial transport position B2 on the upper roller conveyor 18.
  • the leading cold strand de 9 In order to transport the cold strand 6 into a transfer position necessary for the next sprue for strand guidance, the leading cold strand de 9 from the above-described, resting, double-ply wound position of the dummy bar 6 by means of the then driven endless chain 1 1 and the hook-shaped holding elements 15a, 15b from the output transport position B1, forcibly guided by the deflecting plate 21, redirected to the upper roller conveyor 18 and moved on this up to before or in the insertion 8.
  • the leading cold strand end 9 is located in the strand guiding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)

Abstract

L'invention concerne un procédé et un dispositif de coulée continue d'une barre métallique. Sont utilisés à cet effet une fausse barre flexible pouvant être introduite par le haut dans une lingotière et présentant, à son extrémité éloignée de son extrémité avant, une tête de démarrage, ainsi qu'un chariot pour fausse barre qui est disposé sur une plateforme de coulée et sur lequel la fausse barre est tirée après avoir été séparée de la barre chaude, le chariot pour fausse barre recevant sur un côté chargement l'extrémité avant de la fausse barre et la déplaçant, au moyen d'une chaîne sans fin circulant sur des roues à chaîne, vers un côté déchargement en direction de la lingotière pour la prochaine coulée. Le but de l'invention est de fournir un tel procédé et un tel dispositif permettant en particulier de manipuler sans problème une longue fausse barre dans une installation de coulée continue en arc de cercle. À cet effet, la fausse barre reçue sur le côté chargement est déviée au moyen de la chaîne sans fin, côté déchargement, d'une voie de roulement supérieure du chariot pour fausse barre vers une voie de roulement inférieure sur laquelle la fausse barre est ramenée, par son extrémité avant, dans la direction du côté chargement jusqu'à ce que toute la fausse barre soit reçue, enroulée, par le chariot pour fausse barre et que l'extrémité avant de la fausse barre prenne une position de transport initiale orientée vers le côté chargement.
EP11719243.5A 2010-05-15 2011-05-09 Procédé et dispositif pour la coulée continue d'une brame metallique Not-in-force EP2571639B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010020687 2010-05-15
DE201010062853 DE102010062853A1 (de) 2010-05-15 2010-12-10 Verfahren und Vorrichtung zum Stranggießen eines Metallstrangs
PCT/EP2011/057401 WO2011144478A1 (fr) 2010-05-15 2011-05-09 Procédé et dispositif de coulée continue d'une barre métallique

Publications (2)

Publication Number Publication Date
EP2571639A1 true EP2571639A1 (fr) 2013-03-27
EP2571639B1 EP2571639B1 (fr) 2015-07-22

Family

ID=44119014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11719243.5A Not-in-force EP2571639B1 (fr) 2010-05-15 2011-05-09 Procédé et dispositif pour la coulée continue d'une brame metallique

Country Status (4)

Country Link
EP (1) EP2571639B1 (fr)
CN (1) CN103068503B (fr)
DE (1) DE102010062853A1 (fr)
WO (1) WO2011144478A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013213650A1 (de) * 2013-07-12 2015-01-15 Siemens Vai Metals Technologies Gmbh Automatische Kaltstrangzentrierung auf einem Kaltstrangwagen
CN104722734A (zh) * 2015-03-31 2015-06-24 中国重型机械研究院股份公司 一种立式连铸刚性引锭杆上送的方法
CN108247027B (zh) * 2018-04-02 2024-02-23 乌兰察布市旭峰新创实业有限公司 一种铁合金连续浇铸机
DE102019209498A1 (de) * 2019-06-28 2020-12-31 Sms Group Gmbh Flexibler Kaltstrang, und Verfahren zum Aufwickeln eines Kaltstrangs

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646989A (en) * 1970-06-01 1972-03-07 Gulf & Western Ind Prod Co Continuous casting dummy bar head casting conveyor
JPS55139154A (en) * 1979-04-17 1980-10-30 Hitachi Zosen Corp Accomodating apparatus for dummy bar of continuous casting machine
JPS55139153A (en) * 1979-04-17 1980-10-30 Kobe Steel Ltd Accomodating and inserting apparatus for dummy bar of continuous casting machine
IT1137671B (it) 1981-04-08 1986-09-10 Innocenti Santeustacchio Spa Carro per falsa barra di un impianto di colata continua di acciaio
AT373517B (de) * 1982-07-15 1984-01-25 Voest Alpine Ag Einrichtung zum einbringen eines aus aneinander angelenkten gliedern gebildeten anfahrstranges in eine stranggiessanlage
DE3524553C1 (de) * 1985-07-10 1986-07-31 Mannesmann AG, 4000 Düsseldorf Vorrichtung fuer einen kurzen Anfahrstrang
FR2628350B1 (fr) * 1988-03-10 1990-12-21 Clecim Sa Dispositif de manutention, de stockage et d'introduction du mannequin de demarrage dans une installation de coulee continue
JP3014315B2 (ja) * 1995-12-11 2000-02-28 住友重機械工業株式会社 連続鋳造設備におけるダミーバーカー
AT408075B (de) * 1999-12-22 2001-08-27 Voest Alpine Ind Anlagen Anfahrstrang-transportwagen
CN2582785Y (zh) * 2002-11-28 2003-10-29 刘联群 利用引锭杆引锭出坯的装置
AT506835B1 (de) * 2008-05-16 2010-09-15 Siemens Vai Metals Tech Gmbh Verfahren zum sichern eines anfahrstranges in einer stranggiessanlage und stranggiessanlage mit einem anfahrstrang
CN101628325B (zh) * 2009-07-29 2011-05-11 中冶连铸技术工程股份有限公司 一种连铸机的引锭杆存放装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011144478A1 *

Also Published As

Publication number Publication date
WO2011144478A1 (fr) 2011-11-24
CN103068503A (zh) 2013-04-24
DE102010062853A1 (de) 2012-02-16
CN103068503B (zh) 2015-11-25
EP2571639B1 (fr) 2015-07-22

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