EP1558413B1 - Moule en fonte a cadre en forme de o - Google Patents

Moule en fonte a cadre en forme de o Download PDF

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Publication number
EP1558413B1
EP1558413B1 EP03770951A EP03770951A EP1558413B1 EP 1558413 B1 EP1558413 B1 EP 1558413B1 EP 03770951 A EP03770951 A EP 03770951A EP 03770951 A EP03770951 A EP 03770951A EP 1558413 B1 EP1558413 B1 EP 1558413B1
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinders
outer frame
water tank
mould according
mould
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
EP03770951A
Other languages
German (de)
English (en)
Other versions
EP1558413A1 (fr
Inventor
Thomas Lamberti
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
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1558413A1 publication Critical patent/EP1558413A1/fr
Application granted granted Critical
Publication of EP1558413B1 publication Critical patent/EP1558413B1/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
    • B22D11/05—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having adjustable walls

Definitions

  • the invention relates to a mold with two opposing, predominantly made of copper coolable broad side walls, between which for the sake of format width adjustment relative to each other displaceable, coolable narrow side walls clamped and provided for the clamping force means, in particular hydraulic cylinders whose tension travel and / or clamping force is adjustable, wherein the mold is arranged with their copper plates of the broad side walls carrying water boxes within a dimensionally stable outer frame.
  • a mold of this type forms with four water-cooled copper plates, comprising two broad sides and two narrow sides, a quadrangular mold, which gives the shape of the steel strip to be produced. It comprises a peripheral outer frame in which water boxes, on which the broadside copper plates are mounted, are slidably mounted. The narrow-side copper plates are mounted on so-called support plates, which are also mounted displaceably in the peripheral outer frame.
  • the design principle of this Kokillenbauart is described in the document DE 197 53 959 A1.
  • the four copper plates are firmly clamped together.
  • one of the two water boxes which carries one of the broadside copper plates, namely the fixed-side water tank, is pressed by means of hydraulic cylinders on stops of the narrow-side copper plates, which are part of the peripheral outer frame. Because the solid side water box is pressed onto stationary stops, this arrangement is referred to as “fixed side” or “fixed side water box”.
  • the second of the two water boxes which carries the other of the two broadside copper plates, namely the so-called Loss water tank, also pressed by means of hydraulic cylinders on the located between the two broadside copper plates narrow-side copper plates.
  • the quadrangular mold is formed for the following casting process.
  • the position of the mold is defined by the fixed side, while the loose side clamps the narrow sides and prevents the mold from opening during the casting process.
  • the required clamping of the narrow sides takes place over the narrow side copper plates.
  • the hydraulic cylinders, which are used for opening and closing and for clamping the copper plates are fixed in the described known type of mold in the peripheral outer frame.
  • an equilibrium of forces arises in the closed state, wherein the outer frame represents a self-contained force system.
  • the so-known design already represents a significant improvement over earlier types of molds.
  • the known embodiment provides that the cylinders, with which the water boxes are moved and clamped in the peripheral outer frame, are mounted in the outer part of the frame.
  • the above-described known cylinder arrangement causes forces to form in the closed, clamped state, of which in each case a force vector is directed outwards. This results in a force impact on the peripheral outer frame, which manifests itself in a change in shape.
  • the hard water tank is pressed on its stop while There is a gap between the Losre water tank and the surrounding outer frame. This gap is required because otherwise the Losre water box could not pinch the narrow side copper plates.
  • the present invention seeks to improve the design of the mold to overcome the aforementioned disadvantages and difficulties and to realize a simple and overall more cost-effective design of the same without fundamentally changing the operating principle of the mold.
  • the fixed-side hydraulic cylinders are now mounted in the inner part of the outer frame and no longer visible from the outside. In this case, no more hydraulic cylinders are mounted in the outer circumferential part of the O-frame.
  • the invention provides for hydraulic cylinders to be internally mounted in the 0-frame for the fixed side water box and hydraulic cylinders in the loose side water box, the water boxes are pulled into their positions under load instead of being pressed.
  • the fixed side water box is pulled by the fixed side hydraulic cylinders against the stop. The result is an equal, oppositely directed reaction force.
  • the Loss water tank is pulled by the Loss hydraulic cylinders against the narrow-side copper plates and there is an equally large, oppositely directed reaction force.
  • a self-contained system of forces is realized that is in equilibrium.
  • the now inwardly directed reaction forces are absorbed between the components as compressive stresses; they are no longer absorbed by the outer frame and therefore cause no deformation of the outer frame.
  • the number of fixed-side hydraulic cylinders could be reduced from four to two. This can be realized without restriction of the function, and the further advantage of this measure is the advantageous use of the limited space inside the peripheral outer frame.
  • the Loss water tank is advantageously pulled by four hydraulic cylinders in position.
  • the known embodiment of the mold according to the prior art provides, as shown in Figures 1 to 3, that the hydraulic cylinders 3a, 5a with which the water boxes 2a, 4a are moved and clamped in the peripheral outer frame 1a, mounted in the outer part of the frame 1a are.
  • the water boxes carry the broadside copper plates of the mold.
  • For closing and clamping the water tanks and thus the chill plates pressure forces are built up by means of the hydraulic cylinders 3a, 5a, which are collected in the peripheral outer frame 1a.
  • the known cylinder arrangement causes forces pairs to form in the closed, clamped state, of which in each case a force vector is directed outwards, as shown in FIG. Figure 2 and the sectional view through the clamping plane in Figure 3 shows how the fixed side water box 2a is pressed to its stop on the bridge element 6a of the frame, while there is a gap between the loose side water box 4a and the peripheral outer frame 1a, which is required because otherwise the Loss-water box 4a would not pinch the narrow-side copper plates 6. Because the hydraulic cylinders 3a, 5a are arranged outside in the O-frame 1a, the water boxes 2a, 4a are pressed into their positions.
  • the fixed-side water tank 2a is pressed against the stop by the fixed-side hydraulic cylinders 3a; the loose side water box 4a is pressed against the narrow side copper plates 6 by the loose side hydraulic cylinders 5a.
  • outward reaction forces are absorbed by the outer frame 1a and cause a deformation of the same.
  • the present invention improves the mold described above in the manner explained below:
  • FIGS. 4 to 6 it is shown that with the invention the arrangement of the hydraulic cylinders 3n, 5n is changed such that the water boxes 2n, 4n are no longer pressed into position from the outside, but that the solid side water box 2n is pressed from the inside in the outer frame 1a z.
  • cylinders 3n mounted in the bridge member 6n are pulled into position and the loose side header 4n is pulled into position by cylinders 5n mounted in the loose side header 4n.
  • FIGS. 4 to 6 it is shown that with the invention the arrangement of the hydraulic cylinders 3n, 5n is changed such that the water boxes 2n, 4n are no longer pressed into position from the outside, but that the solid side water box 2n is pressed from the inside in the outer frame 1a z.
  • cylinders 3n mounted in the bridge member 6n are pulled into position and the loose side header 4n is pulled into position by cylinders 5n mounted in the loose side header 4n.
  • FIGS. 4 to 6 it is shown that with the invention the arrangement of
  • the hydraulic cylinders 3n are internally mounted in the O-frame 1a and the hydraulic cylinders 5n are mounted in the loose-side water box 4n, the water boxes 2n, 4n are pulled into their positions and no longer pressed.
  • the fixed-side water tank 2n is pulled by two fixed-side hydraulic cylinders 3n against the stop 6n.
  • the loose-side water tank 4n is pulled by four loose-side hydraulic cylinders 5n against the narrow-side copper plates 6, as shown particularly in FIG. 5 and FIG.
  • the now inwardly directed reaction forces are absorbed between the components as compressive stresses; they are no longer absorbed by the outer frame 1n and thus cause no deformation of the same.
  • the number of fixed-side hydraulic cylinders 3n could be reduced without restriction. ( Figure 6)
  • the mold is significantly improved constructively significantly by the water boxes 2, 4 are no longer pressed from the outside in their positions but pulled from the inside into their positions. This ensures that the outer part of the peripheral outer frame 1 remains free of forces and deformation. Thus, a lighter, yet much more stable structures can be realized for the outer frame. In this case, the function of the mold is advantageously not changed, because in the clamped state still forms a self-contained force system.
  • the other design features of the mold according to the invention are described in the subclaims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Braking Arrangements (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Claims (9)

  1. Coquille avec deux parois larges latérales se composant de cuivre et pouvant être refroidies entre lesquelles dans un but de réglage de largeur de forma, des parois latérales étroites pouvant être refroidies et coulissantes entre elles sont maintenues serrées et pour leur serrage il est prévu un moyen de force en particulier un vérin hydraulique dont la course de serrage et la force de serrage sont réglables, la coquille étant disposée à l'intérieur d'un cadre externe de forme stable avec leurs caissons d'eau portant les plaques de cuivre des parois de face large, caractérisée en ce que le caisson d'eau à face fixe (2n) est mobile dans sa positon par un vérin hydraulique (3n) disposé à l'intérieur du cadre externe (1n) et en ce que le caisson d'eau à face amovible (4n) est mobile dans sa positon par un vérin hydraulique (5n) disposé à l'intérieur.
  2. Coquille selon la revendication 1, caractérisée en ce que le vérin hydraulique (3n) du caisson d'eau à face amovible (4n) est disposé dans son intérieur.
  3. Coquille selon la revendication 1 ou 2, caractérisée en ce que le cadre externe (1) est réalisé au moyen d'éléments supports transversaux d'extrémité et de supports longitudinaux reliés à distance parallèlement entre eux formant un cadre rectangulaire.
  4. Coquille selon lune des revendications 1 à 3, caractérisée en ce que dans le cadre externe (1n) sont disposés des éléments de transition (6n) qui sont reliés aux supports transversaux et aux supports longitudinaux en un cadre externe fermé (1n).
  5. Coquille selon l'une des revendications 1 à 4 caractérisée en ce que les vérins hydrauliques (3n) du caisson d'eau à face fixe (2n) sont disposés dans l'élément de transition (6n).
  6. Coquille selon l'une des revendications 1 à 5 caractérisée en ce que des dispositifs pour le déplacement des parois latérales étroites de coquille sont disposés dans les éléments de transition (6n) de sorte qu'ils se trouvent alignés avec les parois latérales étroites.
  7. Coquille selon l'une des revendications 1 à 6 caractérisée en ce que les caissons d'eau (2n, 4n) portant les plaques de cuivre sont centrés à l'intérieur du cadre externe (1n) et par rapport à celui-ci au milieu.
  8. Coquille selon l'une des revendications 1 à 7 caractérisée en ce qu'au maximum deux vérins hydrauliques (3n) sont prévus pour le caisson d'eau à face fixe (2n).
  9. coquille selon l'une des revendications 1 à 8, caractérisée en ce que quatre vérins hydrauliques (5n) sont prévus pour le caisson d'eau à faces mobiles (4n).
EP03770951A 2002-11-02 2003-09-27 Moule en fonte a cadre en forme de o Expired - Lifetime EP1558413B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10251021A DE10251021A1 (de) 2002-11-02 2002-11-02 O-Rahmen-Kokille
DE10251021 2002-11-02
PCT/EP2003/010781 WO2004041462A1 (fr) 2002-11-02 2003-09-27 Moule en fonte a cadre en forme de o

Publications (2)

Publication Number Publication Date
EP1558413A1 EP1558413A1 (fr) 2005-08-03
EP1558413B1 true EP1558413B1 (fr) 2006-01-04

Family

ID=32115104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03770951A Expired - Lifetime EP1558413B1 (fr) 2002-11-02 2003-09-27 Moule en fonte a cadre en forme de o

Country Status (5)

Country Link
EP (1) EP1558413B1 (fr)
AT (1) ATE314896T1 (fr)
AU (1) AU2003280343A1 (fr)
DE (2) DE10251021A1 (fr)
WO (1) WO2004041462A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061828A1 (de) 2010-07-28 2012-02-02 Sms Siemag Ag Stranggießkokille
DE102011075065A1 (de) 2011-05-02 2012-11-08 Sms Siemag Ag O-Rahmen-Stranggusskokille

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3833014C2 (de) * 1988-09-29 2001-07-26 Sms Demag Ag Stahlstranggießkokille
DE19753959A1 (de) * 1997-12-05 1999-06-10 Schloemann Siemag Ag Kokille mit Breitseiten- und Schmalseitenanstellung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010061828A1 (de) 2010-07-28 2012-02-02 Sms Siemag Ag Stranggießkokille
WO2012013450A1 (fr) 2010-07-28 2012-02-02 Sms Siemag Ag Coquille pour coulée continue
DE102011075065A1 (de) 2011-05-02 2012-11-08 Sms Siemag Ag O-Rahmen-Stranggusskokille

Also Published As

Publication number Publication date
AU2003280343A1 (en) 2004-06-07
DE50302138D1 (de) 2006-03-30
ATE314896T1 (de) 2006-02-15
EP1558413A1 (fr) 2005-08-03
WO2004041462A1 (fr) 2004-05-21
DE10251021A1 (de) 2004-05-19

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