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EP2830791B1 - Élément de guidage de barre - Google Patents

Élément de guidage de barre Download PDF

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Publication number
EP2830791B1
EP2830791B1 EP13711324.7A EP13711324A EP2830791B1 EP 2830791 B1 EP2830791 B1 EP 2830791B1 EP 13711324 A EP13711324 A EP 13711324A EP 2830791 B1 EP2830791 B1 EP 2830791B1
Authority
EP
European Patent Office
Prior art keywords
strand
strand guiding
rocker
guiding element
end region
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.)
Not-in-force
Application number
EP13711324.7A
Other languages
German (de)
English (en)
Other versions
EP2830791A2 (fr
Inventor
Johann Poeppl
Heinrich Thoene
Franz Wimmer
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.)
Primetals Technologies Austria GmbH
Original Assignee
Primetals Technologies Austria GmbH
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 Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Publication of EP2830791A2 publication Critical patent/EP2830791A2/fr
Application granted granted Critical
Publication of EP2830791B1 publication Critical patent/EP2830791B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1281—Vertical removing
    • 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
    • B22D11/009—Continuous casting of metals, i.e. casting in indefinite lengths of work of special cross-section, e.g. I-beams, U-profiles
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
    • 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
    • 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
    • B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • B22D11/1284—Horizontal removing
    • 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
    • B22D11/14—Plants for continuous casting
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • B22D11/208—Controlling or regulating processes or operations for removing cast stock for aligning the guide rolls
    • 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
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould

Definitions

  • the present invention relates to a strand guiding element for guiding a round strand in a continuous casting machine.
  • the strand guide rollers of the strand guide element can be made manually to different strand diameter.
  • a disadvantage of this solution is that the strand guide element can not be automatically adapted to different strand diameter, and that when adjusting two strand guide rollers must be made separately.
  • the object of the invention is to overcome the disadvantages of the prior art and to present a structurally simple strand guide element for guiding a strand in a continuous casting machine, which can be automatically adapted to different strand sizes.
  • a strand guide element is formed with only a single formed as a linear motor Anstellelement, the strand guide rollers of the strand guide element can be easily and easily automated by the linear motor to the strand (for example, to different strand diameter) can be employed.
  • the contact force of the strand guide rollers to the strand can be easily adjusted by the extension or retraction of the linear motor, so that, for example, the holding force of the strand guide element, which acts on a strand in a vertical or oblique strand guide, easily adjusted can be.
  • the traverse with the two wings, and the two wings with the linear motor are each hinged together, whereby stresses in the strand guide element can be effectively avoided.
  • an intermediate region of the traverse, the first rocker and the second rocker is disposed between each of the first end portion and the first end portion.
  • each first strand guide roller is rotatably mounted, so that each two adjacent strand guide rollers have an angle of 120 ° to each other.
  • the three strand guide rollers at an angle of 120 ° to each other.
  • the strand is guided centrally; In addition, this results in only low tensile stresses in the strand, which has a positive effect on the internal quality.
  • a rectangular, in particular square, or octagonal strand it is advantageous for a rectangular, in particular square, or octagonal strand, if two first strand guide rollers are rotatably mounted in the intermediate region of the traverse, so that each two adjacent strand guide rollers have an angle of 90 ° to each other.
  • the four strand guide rollers at an angle of 90 ° to each other.
  • the strand is guided centrally;
  • this in turn result in only low tensile stresses in the strand, which has a positive effect on the internal quality.
  • a strand guide roll is a concave, i. has inwardly curved side surface.
  • At least one strand guide roll preferably all strand guide rolls of the strand Strand guide element, is connected to a rotary drive for driving the strand guide roller.
  • the linear motor is designed as a fluidbeaufschlagter cylinder, such as a hydraulic or pneumatic cylinder.
  • the linear motor as an electric motor, e.g. as a Hubspindelantrieb is formed.
  • the linear motor has a displacement measuring device for measuring the displacement of the linear motor and / or a force measuring device for measuring the contact force of the linear motor.
  • the force-measuring device is designed as a pressure measuring device for measuring the pressure in the fluid-loaded cylinder.
  • the force measuring device is designed as a current measuring device for measuring the current in the electric motor.
  • a self-centering strand guide with a fixed support structure and a strand guide element, the strand guide rollers are arranged in a plane can be formed when the strand guide element relative to the support structure in at least one direction, preferably in both directions, the plane is floating.
  • the strand guiding element can center itself relative to the strand in at least one direction, preferably in both directions, of the plane.
  • each strand guiding element is mounted in a floating manner relative to the stationary supporting structure.
  • the Fig 1a ... 1c show a first embodiment of the strand guide element 1 with three strand guide rollers 6,7,8, which is used for guiding and supporting a steel strand 2.
  • the strand guide element 1 a fixed cross member 3, a first rocker 4 and a second rocker 5; Traverse 3 as well as first and second rocker arms 4,5 each comprise a first end portion 3a, 4a, 5a, a second end portion 3c, 4c, 5c and an intermediate portion 3b, 4b, 5b therebetween.
  • the end portions 3a, 3c of the traverse 3 are each connected via a joint with a first rocker 4 and a second rocker 5 movably connected.
  • the first rocker 4 and the second rocker 5 are each a first, second and third strand guide roller 6, 8 and 9 rotatably mounted.
  • two adjacent strand guide rollers eg 6 and 8, 8 and 9, or 6 and 9, each have an angle of 120 ° to each other.
  • the strand guide rollers are 6,8,9 as non-driven rollers, engl. idle rolls, executed. Nevertheless, it would be possible, one or preferably all three strand guide rollers driven as so-called. Design drive rollers.
  • each end region 3a, 3c of the cross member 3 has a through hole for receiving an axle 13.
  • each end region 3a, 3c of the traverse 3 has a recess for receiving an end region 4a, 5a of a rocker 4, 5.
  • the forces are centrally introduced from the cross member 3 in the wings 4, 5 and vice versa.
  • Also designed as a hydraulic cylinder linear motor 10 is hingedly connected to the end portions 4c, 5c of the two wings.
  • the strand guide rollers 6,8,9 have a concave, ie inwardly curved, curvature of the lateral surface, so that it comes between a strand guide roller and the strand 2 to a line contact.
  • the Hertzian pressure is reduced at the same load or the transferable forces can be substantially increased by a strand guide roller on the strand 2.
  • FIGS. 1b and 1c show the use of the strand guide element 1 after Fig. 1a to support a triangular or hexagonal strand 2.
  • the Fig. 1d shows a schematic representation of a strand guide element 1 with four strand guide rollers 6,7,8,9.
  • the difference to the strand guide element with three strand guide rollers according to Fig 1a ... 1c consists in that in the intermediate region 3b of the traverse 3, two first strand guide rollers 6.7 are arranged.
  • two adjacent strand guide rollers 6 ... 9 at an angle of 90 ° to each other.
  • This embodiment is particularly suitable for round, rectangular (in particular square) and octagonal strand cross-sections.
  • FIGS. 2 and 3 show two perspective views of the strand guide element Fig. 1a ,
  • Fig. 8 is one too Fig. 7 alternative construction of a self-centering strand guide shown.
  • the strand guide element 1 is disposed within the fixed support structure 11, but with the strand guide element 1 as it were in a through the fixed support structure 11 formed link guide is performed.
  • the degrees of freedom of the possible displacements are again represented by arrows.
  • the Fig. 4 . 5 and 6 show different views of a strand guide with five strand guiding elements 1.
  • the strand guiding elements 1 are arranged one above the other in the casting direction 12. Via the linear motors 10, each strand guiding element 1 can exert a defined clamping force on the strand 2, so that the cross section of the strand 2 can be reduced by the strand guiding elements 1 following in the casting direction 12 (for example by a so-called soft core or liquid core reduction).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Continuous Casting (AREA)
  • Near-Field Transmission Systems (AREA)
  • Metal Rolling (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Claims (12)

  1. Élément de guidage de barre (1) pour le guidage d'une barre ronde (2) dans une machine de coulée continue, caractérisé par
    - une traverse (3) avec une première région d'extrémité (3a), une région intermédiaire (3b) et une deuxième région d'extrémité (3c), dans lequel au moins un premier rouleau de guidage de barre (6, 7) est monté de façon rotative dans la région intermédiaire (3b) de la traverse;
    - une première bascule (4) avec une première région d'extrémité (4a), une région intermédiaire (4b) et une deuxième région d'extrémité (4c), dans lequel un deuxième rouleau de guidage de barre (8) est monté de façon rotative dans la région intermédiaire (4b) de la première bascule et la deuxième région d'extrémité (3c) de la traverse est reliée de façon articulée à la première région d'extrémité (4a) de la première bascule;
    - une deuxième bascule (5) avec une première région d'extrémité (5a), une région intermédiaire (5b) et une deuxième région d'extrémité (5c), dans lequel un troisième rouleau de guidage de barre (9) est monté de façon rotative dans la région intermédiaire (5b) de la deuxième bascule et la première région d'extrémité (3a) de la traverse est reliée de façon articulée à la première région d'extrémité (5a) de la deuxième bascule;
    - un moteur linéaire (10), qui est relié de façon articulée respectivement à la deuxième région d'extrémité (4c) de la première bascule et à la deuxième région d'extrémité (5c) de la deuxième bascule.
  2. Élément de guidage de barre (1) selon la revendication 1 pour le guidage d'une barre triangulaire et hexagonale (2) dans une machine de coulée continue, caractérisé en ce qu'exactement un premier rouleau de guidage de barre (6) est monté de façon rotative dans la région intermédiaire (3b) de la traverse, dans lequel deux rouleaux de guidage de barre respectivement voisins (6, 8, 9) présentent entre eux un angle de 120°.
  3. Élément de guidage de barre (1) selon la revendication 1 pour le guidage d'une barre rectangulaire, en particulier carrée, ou octogonale (2) dans une machine de coulée continue, caractérisé en ce que deux premiers rouleaux de guidage de barre (6, 7) sont montés de façon rotative dans la région intermédiaire (3b) de la traverse, dans lequel deux rouleaux de guidage de barre respectivement voisins (6, 7, 8, 9) présentent entre eux un angle de 90°.
  4. Élément de guidage de barre selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un rouleau de guidage de barre (6 ... 9) présente une surface latérale à courbure concave.
  5. Élément de guidage de barre selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'au moins un rouleau de guidage de barre (6 ... 9), de préférence tous les rouleaux de guidage de barre (6 ... 9), est relié à un entraînement rotatif pour l'entraînement du rouleau de guidage de barre (6 ... 9) .
  6. Élément de guidage de barre selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le moteur linéaire (10) est réalisé sous la forme d'un cylindre alimenté en fluide.
  7. Élément de guidage de barre selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le moteur linéaire (10) est réalisé sous la forme d'un moteur électrique.
  8. Élément de guidage de barre selon l'une quelconque des revendications précédentes, caractérisé en ce que le moteur linéaire (10) présente un dispositif de mesure de course pour la mesure du déplacement du moteur linéaire (10) et/ou un dispositif de mesure de force pour la mesure de la force d'application du moteur linéaire (10).
  9. Élément de guidage de barre selon la revendication 8, caractérisé en ce que le dispositif de mesure de force est réalisé sous la forme d'un dispositif de mesure de pression dans le cylindre alimenté en fluide.
  10. Élément de guidage de barre selon la revendication 8, caractérisé en ce que le dispositif de mesure de force est réalisé sous la forme d'un dispositif de mesure du courant dans le moteur électrique.
  11. Guidage de barre avec une structure de support fixe (11) et un élément de guidage de barre (1) selon l'une quelconque des revendications précédentes, dans lequel les rouleaux de guidage de barre (6 ... 9) de l'élément de guidage de barre (1) sont disposés dans un plan, caractérisé en ce que l'élément de guidage de barre (1) est monté de façon flottante dans au moins une direction du plan, de préférence dans les deux directions, par rapport à la structure de support (11).
  12. Guidage de barre selon la revendication 11, caractérisé en ce que plusieurs éléments de guidage de barre (1) sont disposés l'un à la suite de l'autre dans une direction de coulée (12), dans lequel chaque élément de guidage de barre (1) est monté de façon flottante par rapport à la structure de support fixe (11).
EP13711324.7A 2012-03-29 2013-03-13 Élément de guidage de barre Not-in-force EP2830791B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT501102012A AT512682B1 (de) 2012-03-29 2012-03-29 Strangführungselement
PCT/EP2013/055108 WO2013143845A2 (fr) 2012-03-29 2013-03-13 Élément de guidage de barre

Publications (2)

Publication Number Publication Date
EP2830791A2 EP2830791A2 (fr) 2015-02-04
EP2830791B1 true EP2830791B1 (fr) 2016-03-09

Family

ID=47915181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13711324.7A Not-in-force EP2830791B1 (fr) 2012-03-29 2013-03-13 Élément de guidage de barre

Country Status (6)

Country Link
EP (1) EP2830791B1 (fr)
KR (1) KR101685907B1 (fr)
CN (1) CN104185518B (fr)
AT (1) AT512682B1 (fr)
RU (1) RU2014143269A (fr)
WO (1) WO2013143845A2 (fr)

Cited By (1)

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RU2785053C1 (ru) * 2018-12-12 2022-12-02 Даньели И К. Оффичине Мекканике С.П.А. Способ получения установки для непрерывного литья и полученная этим способом установка для непрерывного литья

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ES2764469T3 (es) * 2015-11-17 2020-06-03 Esm Energie Und Schwingungstechnik Mitsch Gmbh Guía de rodillos autocentrante
CN111696725B (zh) * 2020-07-24 2021-06-29 徐州华夏电子有限公司 一种线束精确轴向定心装置

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2785053C1 (ru) * 2018-12-12 2022-12-02 Даньели И К. Оффичине Мекканике С.П.А. Способ получения установки для непрерывного литья и полученная этим способом установка для непрерывного литья

Also Published As

Publication number Publication date
RU2014143269A (ru) 2016-05-20
KR20140147877A (ko) 2014-12-30
CN104185518B (zh) 2016-03-16
WO2013143845A2 (fr) 2013-10-03
AT512682A1 (de) 2013-10-15
KR101685907B1 (ko) 2016-12-13
EP2830791A2 (fr) 2015-02-04
AT512682B1 (de) 2015-03-15
WO2013143845A3 (fr) 2013-12-12
CN104185518A (zh) 2014-12-03

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