EP0077315B1 - Stranggiesskokille - Google Patents

Stranggiesskokille Download PDF

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Publication number
EP0077315B1
EP0077315B1 EP82890127A EP82890127A EP0077315B1 EP 0077315 B1 EP0077315 B1 EP 0077315B1 EP 82890127 A EP82890127 A EP 82890127A EP 82890127 A EP82890127 A EP 82890127A EP 0077315 B1 EP0077315 B1 EP 0077315B1
Authority
EP
European Patent Office
Prior art keywords
strand
mould
adjustment means
wall part
longitudinal axis
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
Application number
EP82890127A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0077315A2 (de
EP0077315A3 (en
Inventor
Hermann Schubert
Heinrich Dipl.-Ing. Thöne
Richard Kasmader
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.)
Voestalpine AG
Original Assignee
Voestalpine 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 Voestalpine AG filed Critical Voestalpine AG
Publication of EP0077315A2 publication Critical patent/EP0077315A2/de
Publication of EP0077315A3 publication Critical patent/EP0077315A3/de
Application granted granted Critical
Publication of EP0077315B1 publication Critical patent/EP0077315B1/de
Expired 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
    • B22D11/05—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having adjustable walls
    • 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
    • B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting

Definitions

  • the invention relates to a horizontal steel continuous casting mold, in particular for multi-strand casting plants, with a first mold part forming the strand cross-section and at least one second mold part arranged behind it in the direction of strand passage, which is equipped with wall parts supporting the strand surface and coming into contact with it, which can be pressed against the strand surface by means of actuators are.
  • Chillers of this type are known, for example, from DE-B-27 58 514 or from Hermann, Manual of Continuous Casting, Aluminum-Verlag GmbH, Düsseldorf, 1958, picture 430.
  • the wall parts of the second mold part, the so-called aftercooler, which can be pressed onto the strand surface, are moved against the strand shell in these known molds by means of coil springs or pressure medium cylinders.
  • the coil springs or pressure medium cylinders are arranged with their longitudinal axis oriented approximately perpendicular to the strand surface, and at least two springs or pressure medium cylinders are provided for each wall part, at least one spring or one pressure medium cylinder acting on the inlet and outlet ends of each wall part.
  • Springs have the advantage that they take up little space, but they have the disadvantage that the increasing force of the wall parts changes the contact force, so that the wall parts rest against the strand surface during casting, once with a higher and once with a lower contact force.
  • springs do not allow the wall parts to be vented, as is useful, for example, when threading the start-up strand into the mold; a separate ventilation device would have to be provided for this. Unevenly adjusted springs cause uneven wear on the wall parts.
  • Pressure medium cylinders which allow easy ventilation of the wall parts of the aftercooler, however, require a large space behind each wall part of the aftercooler, which is disadvantageous because of the limited space in the mold. In particular, they cannot be used for a multiple continuous caster in which the strands are close together.
  • FR-A-2445744 from which a two-part mold and its adjustment mechanism can be found.
  • the latter includes stacking parts that are parallel and oriented perpendicular to the longitudinal axis of the strand.
  • the invention aims to avoid these disadvantages and difficulties and has as its object to provide a continuous casting mold of the type described which requires little peripheral space, in which the contact force is independent of the abrasion of the wall parts and when viewed over the length of the wall parts , completely the same contact forces and therefore always the same abrasion.
  • each actuator is arranged with their longitudinal axis parallel to the longitudinal axis of the line and that each actuator is connected by means of a direction of movement parallel to the longitudinal axis of the actuator in the direction approximately perpendicular to the longitudinal axis of the device with the inlet and outlet end of a wall part .
  • a single actuator is expediently provided for each wall part.
  • the device deflecting the direction of movement is designed as an angle lever which is articulated on the one hand on the device with a lever arm and on the other hand on the wall part which can be pressed against the strand surface with the second lever arm, the angle lever being pivotable about an axis which is stationary with respect to the mold .
  • the lever arm articulated on the wall part is advantageously connected to this wall part with play.
  • each of the wall parts that can be pressed against the strand surface is guided on a stationary frame part of the mold by means of a guide perpendicular to the longitudinal axis of the strand, wherein for better adaptation of the wall parts to the strand surface, each of the wall parts that can be pressed against the strand surface is attached to a stationary frame part the mold is supported by means of a spherical bearing.
  • a preferred embodiment is characterized in that the actuators are designed as double-acting pressure medium cylinders.
  • the device deflecting the direction of movement is formed by a chain which can be moved in a guide which is curved over a quarter circle and is made up of links which are hinged to one another and which is fastened on the one hand to the wall part and on the other hand to the actuating device.
  • FIG. 1 shows a partially sectioned side view of a horizontal continuous caster in a schematic representation.
  • FIG. 2 illustrates a view according to arrow 111 in FIG. 2 or a section along line 111-111 in FIG. 2.
  • FIG. 4 shows a detail of the further embodiment.
  • a continuous casting mold 3 On an intermediate vessel 1 which can be moved horizontally on rails, a continuous casting mold 3 is tightly fastened in the region of its pouring opening 2 and, in a known manner, has a copper jacket 5 which forms the mold cavity 4 and which is cooled.
  • the aftercoolers 7, 8 have the purpose of cooling the strand shell by intensive cooling of the strand to strengthen and re-melt the strand shell by the inside of the strand. to prevent released heat of crystallization.
  • Each of the aftercoolers 7, 8 has four wall parts 9, hereinafter referred to as cooling plates, through which cooling water flows.
  • the cavity 11 of each cooling plate 9 through which the cooling water flows is connected to a hollow frame 13 of the aftercooler through which the cooling water flows by means of a connector 12 designed as a plug-in tube.
  • a compensator 14, which can compensate for the movement of a cooling plate 9, is provided between the plug-in tube 12 and the frame 13.
  • a graphite plate 15 which ensures optimum heat dissipation from the strand due to its good thermal conductivity, is attached to the side of the cooling plates 9 facing the strand surface. These graphite plates 15 represent wear plates, they enable a low frictional resistance due to their low sliding friction with the strand and thus low extraction forces for the. Strand.
  • a bearing pin 16 is provided on each cooling plate on a rigid yoke 17 of the aftercooler, which carries a spherical bearing 18, on the outer ring of which a guide ring 19 is seated.
  • This guide ring 19 enables a bearing bush mounted on the cooling plate 9 to slide in the direction of the axis 20 of the bearing bolt 16, the axis 20 of the bearing bolt being approximately normal to the plane. the cooling plate 9 is directed.
  • This construction enables the position of each cooling plate to be automatically aligned with the strand surface, thus ensuring that the graphite plate 15 is completely supported on the strand surface.
  • Each cooling plate 9 can be moved in the direction normal to the strand surface by means of an actuator 21, both towards the strand surface and away from the strand surface.
  • the actuator is designed as a double-acting hydraulic cylinder arranged with its longitudinal axis 22 parallel to the line axis 23, which is articulated both with its articulated eye 24 arranged on the cylinder and with its articulated eye 25 provided on the piston by means of bolts 26 each with the longer arm 27 of an angle lever 28 is.
  • Each angle lever 28 is pivotally mounted on the aftercooler by means of a fixed bolt 29.
  • each angle lever is connected in an articulated manner to a bracket 31 screwed onto the cooling plate 9, whereby a bolt 32 is also used for the connection, but this has a play 33 with respect to the bracket 31, so that the angle lever 28 can be easily moved.
  • the movement of a cooling plate 9 towards the strand surface is limited by a stop 34, which is provided on a flange plate 10 of the aftercooler.
  • Each stop 34 interacts with an angle lever 29.
  • the pressure in the cylinders 21 is expediently (advantageously automatically) adjusted to the ferrostatic pressure in the strand sump and to other casting parameters, such as pull-out speed and oscillation of the strand, to an optimal value, so that the support and cooling effect of the cooling plates 9 is optimized with as little friction as possible will.
  • FIG. 4 is another embodiment Shown in which the device deflecting the direction of movement of a cylinder is formed by an arcuate guide 37 which is mounted in an arcuate, approximately 90 ° central angle and is rigidly mounted on the aftercooler and within which a chain 39 formed from link plates 38 which are articulated to one another is guided.
  • the double-acting cylinder 21 is articulated on the one hand with its cylinder and on the other hand with its piston on such a chain 39.
  • support members 40 are hinged to the inlet 35 and outlet end 36 of each wall part 9 of the aftercooler.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Actuator (AREA)
  • Reciprocating Pumps (AREA)
EP82890127A 1981-10-09 1982-09-13 Stranggiesskokille Expired EP0077315B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT4341/81 1981-10-09
AT0434181A AT374386B (de) 1981-10-09 1981-10-09 Stranggiesskokille

Publications (3)

Publication Number Publication Date
EP0077315A2 EP0077315A2 (de) 1983-04-20
EP0077315A3 EP0077315A3 (en) 1983-09-14
EP0077315B1 true EP0077315B1 (de) 1986-03-19

Family

ID=3562751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82890127A Expired EP0077315B1 (de) 1981-10-09 1982-09-13 Stranggiesskokille

Country Status (6)

Country Link
US (1) US4541478A (ja)
EP (1) EP0077315B1 (ja)
JP (1) JPS5870945A (ja)
AT (1) AT374386B (ja)
CA (1) CA1195085A (ja)
DE (1) DE3269996D1 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774996A (en) * 1986-09-29 1988-10-04 Steel Casting Engineering, Ltd. Moving plate continuous casting aftercooler
KR960002402B1 (ko) * 1990-05-09 1996-02-17 신닛뽕 세이데쓰 가부시끼가이샤 수평 연속 주조 방법 및 장치
US5335715A (en) * 1990-08-09 1994-08-09 Nippon Steel Corporation Method and apparatus for continuous casting
DE69124681T2 (de) * 1990-11-29 1997-05-28 Kawasaki Heavy Ind Ltd Horizontale Stranggiessvorrichtung mit verstellbarer Kokille
AT407845B (de) * 1999-01-28 2001-06-25 Thoeni Industriebetriebe Gmbh Vorrichtung zum horizontalen stranggiessen von bändern
DE60328736D1 (de) * 2002-03-29 2009-09-17 Honda Motor Co Ltd Thixogussverfahren
US7028750B2 (en) * 2003-12-11 2006-04-18 Novelis, Inc. Apparatus and method for horizontal casting and cutting of metal billets
CN103056335B (zh) * 2012-12-27 2015-12-23 江苏三环实业股份有限公司 重力挤出式铅带铸造机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB761401A (en) * 1954-05-17 1956-11-14 Rossi Irving Device for use in the art of continuous casting of metals
DE1758543B1 (de) * 1968-06-24 1971-05-06 Ural Sawod Tyaschelogo Mash Im Kokille fuer metallstranggiessanlage
CH507757A (de) * 1970-03-10 1971-05-31 Concast Ag Plattenkokille zum Stranggiessen
CH508432A (de) * 1970-03-25 1971-06-15 Concast Ag Verstellbare Plattenkokille zum Stranggiessen
CH602223A5 (ja) * 1976-12-30 1978-07-31 Concast Ag
AT374127B (de) * 1978-06-14 1984-03-26 Voest Alpine Ag Plattenkokille zum aendern des strangquerschnitts- formates
AT359673B (de) * 1978-07-05 1980-11-25 Voest Alpine Ag Verfahren zum instandsetzen einer platten- kokille zum stahlstranggiessen
FR2445744A1 (fr) * 1979-01-04 1980-08-01 Clesid Sa Perfectionnement aux machines de coulee continue
AT373514B (de) * 1979-09-24 1984-01-25 Adamec Alfred Kokille zum horizontalen stranggiessen von metallen, insbesondere von stahl
SU850284A1 (ru) * 1979-12-20 1981-07-30 Уральский Ордена Трудового Красногознамени Политехнический Институтим.C.M.Кирова Устройство дл выт гивани заготов-Ки из КРиСТАллизАТОРА

Also Published As

Publication number Publication date
JPS5870945A (ja) 1983-04-27
ATA434181A (de) 1983-09-15
DE3269996D1 (en) 1986-04-24
EP0077315A2 (de) 1983-04-20
JPS6132104B2 (ja) 1986-07-24
US4541478A (en) 1985-09-17
EP0077315A3 (en) 1983-09-14
CA1195085A (en) 1985-10-15
AT374386B (de) 1984-04-10

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