EP0417504B1 - Coquille pour la coulée continue - Google Patents

Coquille pour la coulée continue Download PDF

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Publication number
EP0417504B1
EP0417504B1 EP90115910A EP90115910A EP0417504B1 EP 0417504 B1 EP0417504 B1 EP 0417504B1 EP 90115910 A EP90115910 A EP 90115910A EP 90115910 A EP90115910 A EP 90115910A EP 0417504 B1 EP0417504 B1 EP 0417504B1
Authority
EP
European Patent Office
Prior art keywords
side walls
continuous casting
narrow
broad
support frames
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
EP90115910A
Other languages
German (de)
English (en)
Other versions
EP0417504A2 (fr
EP0417504A3 (en
Inventor
Josef Deussen
Dieter Böttger
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 Schloemann Siemag AG
Schloemann 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 Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0417504A2 publication Critical patent/EP0417504A2/fr
Publication of EP0417504A3 publication Critical patent/EP0417504A3/de
Application granted granted Critical
Publication of EP0417504B1 publication Critical patent/EP0417504B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds

Definitions

  • the invention relates to a continuous casting mold with two broad side walls arranged opposite one another on supporting frames, between which narrow side walls which can be displaced relative to one another for the purpose of setting the format width are firmly clamped and means for adjusting the wide sides are associated with the supporting frame, the supporting frame having mechanical clamping means for bracing the narrow side walls located between the wide side walls. which are operatively connected to hydraulic piston-cylinder units.
  • This configuration of the continuous steel casting mold makes it easy to obtain an accurate Adjustment of the contact pressure and increased operational safety against opening of the broad side wall when casting is achieved.
  • the broad side walls are usually arranged parallel to one another in order to keep the adjustment path for the one support frame as small as possible.
  • the object of the invention is to improve the above-mentioned prior art with regard to the function of the adjusting means and tensioning elements and their maintenance, in particular in such a way that an adjustment of the wide side walls with an enlarged adjustment path and thereby better accessibility and easier expansion is made possible.
  • Continuous casting molds with a funnel-shaped cross section of the broad side walls should also be designed so that they enable adjustment on both sides, for. B. in a breakthrough that requires a larger adjustment.
  • the Support frames of the continuous casting mold with their wide side walls are spread apart from one another to such an extent that the narrow side walls arranged on the support plates are accessible from both sides, can be removed very easily together with the support plates and can be renewed if necessary.
  • the cleaning of the continuous casting mold in the narrow side areas as well as the maintenance of the continuous casting mold as a whole is thereby considerably simplified and facilitated.
  • the support frames with their broad side walls are very advantageously arranged in the continuous casting mold and connected to the tensioning elements in such a way that they can be spread by about 70 mm on each side.
  • the end of the strand in the area of the mold can be exposed and the mold can be easily removed.
  • the mold can very easily be lifted upwards above the funnel-shaped strand end that solidifies in the mold.
  • the support frames are arranged with their wide side walls in the continuous casting mold and connected to the tensioning elements in such a way that they can be adjusted both to one another and from one another.
  • the means required for this consist of resilient tie rods that connect the two support frames with their broad side walls. From these spring-elastic tie rods, the clamping forces occurring during the casting process of the metal strand are fully taken over, so that the installation of disc spring assemblies is not necessary.
  • the resilient tie rods are very advantageously provided at one end with a keyway, into which wedges are inserted as tensioning elements when the narrow side walls are clamped, which have push rods and a swivel bearing provided with a joint is operatively connected to a hydraulic piston-cylinder unit, can be actuated.
  • This embodiment of the invention enables a hydraulic piston-cylinder unit in a simple manner a non-positive clamping and thus a sufficiently firm clamping and locking of the narrow side walls between the broad side walls via both spring-elastic tie rods at the same time.
  • the measure also helps that the support frames are provided with guide rails and these are slidably guided on guide pieces. This ensures that the support frame, in particular on the fixed side, with its wide side walls after opening (spreading) in turn assume exactly the original position and therefore there is no need to subsequently align the centering stones.
  • the narrow side parts which carry the narrow side walls and are designed as water tensioning plates are arranged in an unadjustable manner and are firmly connected to the mold lifting table. This avoids moving on the sealing rings of the water clamping plate and time-consuming hose assembly when installing and removing the continuous casting mold.
  • the continuous casting mold consists of a support frame (1) for the loose side and a support frame (2) for the fixed side as well as the narrow side parts (3) and the support plates (4).
  • the broad side walls (9) are arranged on the inside of the support frames (1) and (2) and the narrow side walls (5) are arranged on the support plates (4).
  • Both the broad side walls (9) and the narrow side walls (5) are designed as copper plates and are not shown in more detail with the support frames (1, 2) or with the support plates (4) in the drawing figures shown screws releasably connected.
  • the continuous casting mold is provided on both sides with a narrow side adjustment device (6) (to be seen in section on the left in FIG. 1).
  • each resilient tie rod (7) is provided at one end with a keyway (7 ') into which the wedge (8) is inserted between the broad side walls (9) when the narrow side walls (5) are clamped, by means of a hydraulic piston Cylinder unit (10), which, as shown in particular in FIGS. 4 and 5, is operatively connected to the wedge (8) or wedge (8) via a swivel bearing (11) and push rods (13).
  • the contact pressure of the broad side walls (9) on the narrow side walls (5) required here can be set very easily and precisely by the pressure acting on the tensioning element (wedge 8) from the hydraulic cylinder of the hydraulic piston-cylinder unit (10).
  • the pivot bearing (11), as shown in FIG. 1, is screwed onto the piston rod (11 ') of the hydraulic cylinder of the piston-cylinder unit (10), which simplifies and simplifies the assembly and disassembly of the piston-cylinder unit (10).
  • This pivot bearing (11), which is detachably connected to the piston rod (11 ') of the piston-cylinder unit (10), is in turn connected to the two push rods (13) via a bolt (12) and, on the other hand, to the as wedges (8). trained clamping elements in connection.
  • a bushing (15) arranged in a bearing body (14) serves to guide the wedges (8).
  • the bearing body (14) itself is welded to the support frame (1) on the loose side.
  • the resilient tie rods (7) are firmly screwed to the support frame (2) at their collar (16 ').
  • the keyways (7 ') arranged on the tie rods (7) are firmly screwed to the support frame (2) at their collar (16 ').
  • two hydraulic cylinders (28) are screwed between the tie rods (7) on the support frame (1, 2) on the fixed and loose side. This requires previously disengaging the wedges (8) serving as tensioning elements with the aid of the hydraulic piston-cylinder unit (10) into the unlocked position shown in FIG. 5.
  • the wide side walls (9) of the support frames (1, 2) can then be moved very advantageously relative to the narrow side walls (5) by about 70 mm to the open position shown in FIG. 3 on each side. Otherwise, the hydraulic cylinders (28) relieve the narrow side walls (5) when the format width changes. In this in Fig.
  • the continuous casting mold can be very easily conveyed out after a breakthrough or overflow over the casting strand end in the area of the mold. Due to the large opening width of the mold, the end of the strand is also exposed in the region of the sprue not shown in the drawing.
  • the cleaning and maintenance of the narrow and wide side walls (5, 9) and the replacement of the narrow side support plates (4) is also considerably simplified and facilitated by the adjustment device on the continuous casting mold designed according to the invention.
  • the adjustment and bracing device according to the invention can also be used in conventional molds with parallel broad side walls.
  • the opening width of the mold can also be made smaller, ie less than 70 mm.
  • the hydraulic cylinders (28) on the loose side relieve the narrow side walls (5). This results in a further pre-tensioning of the spring-elastic pull rod (7).
  • the support plates (4) can also be replaced during a casting break.
  • the two supporting frames (1, 2) carrying the broad side walls (9) are each provided with two guide rails (17) which are guided in guide pieces (18) and are centered in height.
  • the two narrow side parts (3) have different centering stones (19, 20) for the fixed or loose side.
  • the centering stones (19, 20) are aligned using set screws (21).
  • the contact surfaces of the narrow side parts (3) are very advantageously designed as water tensioning plates.
  • the cooling water passes from the mold lifting device, not shown in the drawing, via the water tensioning plate, pipes (22) and compensators (23) to the wide side walls (9) as well as via pipes (24), hoses (25) and the narrow wall side support (26) Narrow side walls (5).
  • the guide column of the narrow side part (3) serves to accommodate the narrow side adjustment unit (6), as a contact surface for the fixed side support frame (2), for guiding the tie rods (7) and for fastening the swivel bearing (27).
  • the loose side support frame (1) carrying the broad side wall can optionally also be braced against the narrow side walls (5) with four plate spring assemblies.
  • the fixed side support frame (2) is clamped against the narrow side part with a pull rod, a spacer ring is inserted between the central part and the fixed side support frame, which determines the position of the fixed side for centering.
  • the hollow piston cylinder is used to open the loose side pressurized until the disc springs no longer transmit tensile force to the pull rod. Then the tabs on the narrow side part are lifted off and the locking bolt is turned into the open position. The fixed and loose side support frames are then moved outwards with the hydraulic cylinders. The closing process takes place in reverse order.
  • the pull rod can also be designed very advantageously as an elastic expansion element, so that disc spring assemblies and hollow piston cylinders are omitted.
  • the fixed side is pulled against the narrow side part with two double-acting piston cylinders.
  • the loose side is also pulled against the narrow side walls with two double-acting piston cylinders.
  • Tie rods, disc springs and hollow piston cylinders are not used in this variant.
  • the forces in the mold during casting are absorbed and compensated by the hydraulic cylinders.
  • the opening and closing of the mold as well as the relieving of the narrow side walls when changing the format width of the casting strand is also carried out with the help of the hydraulic cylinders.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Mold Materials And Core Materials (AREA)
  • Valve Housings (AREA)
  • Braking Arrangements (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Materials For Medical Uses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Crushing And Grinding (AREA)

Claims (4)

  1. Coquille pour la coulée continue, comportant deux parois latérales larges (9) disposées l'une en face de l'autre sur des cadres de support (1,2), entre lesquelles sont serrées des parois latérales étroites (5) mobiles pouvant être déplacées l'une par rapport à l'autre afin de pouvoir régler la largeur du format et dont les cadres de support (1, 2) comportent des dispositifs pour le déplacement des côtés larges, les cadres de support (1, 2) présentant des dispositifs de serrage mécaniques pour le serrage des parois latérales étroites (5) qui se trouvent entre les parois latérales larges (9) et lesdits dispositifs de serrage formant un assemblage actif avec des unités piston-cylindre (10) hydrauliques, caractérisée
    a) en ce que les cadres de support (1, 2) avec leurs parois latérales larges (9) sont disposés dans la coquille de coulée continue et reliés aux éléments de serrage (7, 8) de telle manière qu'ils peuvent être déplacés l'un vers l'autre ou en s'écartant l'un de l'autre,
    b) en ce que les éléments de serrage mécaniques sont constitués par des barres de traction (7) élastiques à ressort qui relient les deux cadres de support (1, 2) au niveau de leurs parois latérales larges (9),
    c) en ce que les barres de traction (7) élastiques à ressort sont pourvues en une extrémité d'une rainure (7') de clavette dans laquelle est introduite une clavette (8) lorsqu'on serre les parois latérales étroites (5), ladite clavette étant reliée via une bielle (13) et un palier pivotant (11) à une unité piston-cylindre (10) hydraulique et
    d) en ce que, pour écarter les cadres de support (1, 2) avec les parois latérales larges (9), on a vissé sur les cadres de support (1, 2) du côté fixe et du côté amovible deux vérins hydrauliques (28) entre les barres de traction (7).
  2. Coquille pour la coulée continue selon la revendication 1 ou 2, caractérisée en ce que les cadres de support (1, 2) avec leurs parois latérales larges (9) sont disposés dans la coquille pour la coulée continue et reliés aux éléments de serrage (7, 8) de telle manière qu'ils peuvent être écartés par rapport aux parois latérales étroites (5) d'environ 70 mm par côté.
  3. Coquille pour la coulée continue selon la revendication 1 ou 2, caractérisée en ce que les cadres de support (1, 2) sont équipés de rails de guidage (17) guidés de manière à pouvoir glisser sur des pièces de guidage (18).
  4. Coquille pour la coulée continue selon la revendication 1 à 3, caractérisée en ce que les parties latérales étroites (3) portant les parois latérales étroites (5) et réalisées sous forme de plaques de serrage à eau, sont disposées de manière à ne pas pouvoir être déplacées et reliées de manière fixe à la table élévatrice de la coquille.
EP90115910A 1989-09-11 1990-08-20 Coquille pour la coulée continue Expired - Lifetime EP0417504B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3930265A DE3930265A1 (de) 1989-09-11 1989-09-11 Stranggiesskokille
DE3930265 1989-09-11

Publications (3)

Publication Number Publication Date
EP0417504A2 EP0417504A2 (fr) 1991-03-20
EP0417504A3 EP0417504A3 (en) 1993-03-17
EP0417504B1 true EP0417504B1 (fr) 1996-01-03

Family

ID=6389155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90115910A Expired - Lifetime EP0417504B1 (fr) 1989-09-11 1990-08-20 Coquille pour la coulée continue

Country Status (8)

Country Link
US (1) US5085263A (fr)
EP (1) EP0417504B1 (fr)
JP (1) JPH03264144A (fr)
AT (1) ATE132407T1 (fr)
CA (1) CA2024838C (fr)
DE (2) DE3930265A1 (fr)
DK (1) DK0417504T3 (fr)
ES (1) ES2081882T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522450A (en) * 1993-12-20 1996-06-04 Voest-Alpine Industrieanlagenbau Gmbh Continuous casting plate mold
EP0920937A2 (fr) * 1997-12-05 1999-06-09 Sms Schloemann-Siemag Aktiengesellschaft Lingotière pour la coulée continue

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444941C3 (de) * 1993-12-20 2003-07-24 Voest Alpine Ind Anlagen Stranggießkokille
DE4447941B4 (de) * 1993-12-20 2006-06-14 Voest-Alpine Industrieanlagenbau Gmbh Stranggießkokille
DE19716664C2 (de) * 1997-04-22 1999-11-18 Schloemann Siemag Ag Verfahren und Vorrichtung zum Verspannen zweier gegenüberliegender Breitseitenwände einer Stranggießkokille
KR20040017554A (ko) * 2002-08-22 2004-02-27 주식회사 포스코 유압시스템을 이용한 몰드 폭조정 드라이브장치
US6857464B2 (en) * 2002-09-19 2005-02-22 Hatch Associates Ltd. Adjustable casting mold
DE102010061828A1 (de) 2010-07-28 2012-02-02 Sms Siemag Ag Stranggießkokille
CN103192040B (zh) * 2013-04-15 2015-12-16 中国重型机械研究院股份公司 一种用于连续浇注两流板坯的结晶器系统
AT521535B1 (de) 2018-07-18 2021-10-15 Primetals Technologies Austria GmbH Kokille zum Erzeugen eines Gießstrangs
RU2769679C1 (ru) * 2021-08-05 2022-04-05 Федеральное государственное бюджетное образовательное учреждение высшего образования "Комсомольский-на-Амуре государственный университет" (ФГБОУ ВО "КнАГУ") Устройство для получения непрерывнолитых деформированных заготовок

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375865A (en) * 1964-10-26 1968-04-02 Tsnii Chernoj Metallurg Mould for a continuous casting machine
JPS531131A (en) * 1976-06-25 1978-01-07 Hitachi Ltd Mold for continuous casting
US4147202A (en) * 1977-08-30 1979-04-03 Clesid S.A. Continuous casting ingot mould
FR2534163B1 (fr) * 1982-10-08 1985-08-09 Clecim Sa Dispositif de reglage de lingotiere de coulee continue
DE3833014C2 (de) * 1988-09-29 2001-07-26 Sms Demag Ag Stahlstranggießkokille

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522450A (en) * 1993-12-20 1996-06-04 Voest-Alpine Industrieanlagenbau Gmbh Continuous casting plate mold
EP0920937A2 (fr) * 1997-12-05 1999-06-09 Sms Schloemann-Siemag Aktiengesellschaft Lingotière pour la coulée continue
EP0920937A3 (fr) * 1997-12-05 2000-05-03 Sms Schloemann-Siemag Aktiengesellschaft Lingotière pour la coulée continue
US6145580A (en) * 1997-12-05 2000-11-14 Sms Schloemann-Siemag Ag Continuous-casting mold with small side adjustment

Also Published As

Publication number Publication date
JPH03264144A (ja) 1991-11-25
EP0417504A2 (fr) 1991-03-20
US5085263A (en) 1992-02-04
DE3930265A1 (de) 1991-03-14
CA2024838C (fr) 2001-01-23
CA2024838A1 (fr) 1991-03-12
DE59010030D1 (de) 1996-02-15
EP0417504A3 (en) 1993-03-17
ES2081882T3 (es) 1996-03-16
ATE132407T1 (de) 1996-01-15
DK0417504T3 (da) 1996-01-29

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