EP0006783B1 - Dispositif pour guider le mouvement d'oscillation d'une lingotière de coulée continue - Google Patents

Dispositif pour guider le mouvement d'oscillation d'une lingotière de coulée continue Download PDF

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Publication number
EP0006783B1
EP0006783B1 EP79400362A EP79400362A EP0006783B1 EP 0006783 B1 EP0006783 B1 EP 0006783B1 EP 79400362 A EP79400362 A EP 79400362A EP 79400362 A EP79400362 A EP 79400362A EP 0006783 B1 EP0006783 B1 EP 0006783B1
Authority
EP
European Patent Office
Prior art keywords
guiding
bar
rollers
housing
fact
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
EP79400362A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0006783A1 (fr
Inventor
Joel Cazaux
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.)
Fives Cail Babcock SA
Original Assignee
Fives Cail Babcock SA
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 Fives Cail Babcock SA filed Critical Fives Cail Babcock SA
Priority to AT79400362T priority Critical patent/ATE752T1/de
Publication of EP0006783A1 publication Critical patent/EP0006783A1/fr
Application granted granted Critical
Publication of EP0006783B1 publication Critical patent/EP0006783B1/fr
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
    • B22D11/053—Means for oscillating the moulds

Definitions

  • the present invention relates to a continuous casting installation, and more particularly to a device for guiding the oscillation movement of the ingot mold fitted to such an installation.
  • a curved continuous casting installation is already known, and in particular for slabs, comprising an ingot mold and a corset for the primary guide of the cast product, said corset being constituted by rollers mounted between two sides which are fixed to the chassis of the secondary guide corset. .
  • the upper end of the sides carries the members for guiding and controlling the oscillations of the mold. The latter does not have an oscillation table and the primary guiding corset forms with the mold a removable and replaceable unit.
  • US Patent No. 3,409,070 describes an arrangement according to which the members for guiding the oscillation movement are housed inside two lateral frames. Each frame is covered on the outside by a plate. Parallel to each of these plates is disposed, on the inside, a face of a screen envelope which surrounds the lower part of the mold. In order to allow the displacement of the screen envelope, a certain clearance is provided between the upper part thereof and the upper horizontal elements of the frames. As a result of the existence of this play, sealing is not ensured. Furthermore, if one wishes to intervene to replace a worn part, such as a roller, one has to carry out a particularly long and careful disassembly.
  • French patent application No. 2 294 005 describes an arrangement according to which the means for guiding the oscillation movement are enclosed in a protective chassis.
  • This frame independent of a primary guiding corset of the cast product, has the shape of a U which surrounds the mold on three of its sides.
  • the wings of the chassis contain said guide means while the base of the U, known as the "front body,..., Has an opening for passage of the lever for controlling the oscillation movement which is partly contained in the chassis.
  • This opening is not ensured.
  • the arrangement according to this patent application leads to significant bulk. Furthermore, if one wishes to carry out an intervention to replace, for example, a part contained in one of the wings of the chassis, one is led to dismantle the entire chassis, which makes the intervention impractical and therefore long. and expensive.
  • French Patent No. 1,543,075 describes an arrangement similar to the previous one, from which it differs essentially in that the means for controlling the oscillation movement are entirely contained in the U-shaped frame. This leads to greater bulk. further and increases the difficulties of intervention. Furthermore, no sealing is provided for the crossing of the walls of the frame by the guides of the mold.
  • the object of the invention is to avoid the drawbacks of the known arrangements.
  • the invention is particularly advantageous in the case of an installation according to French patent application No. 76/36436 which is mentioned above.
  • These operations can be carried out on the casting floor, away from the heat given off by the installation.
  • a more specific subject of the invention is a device for guiding the oscillation movement of a mold for continuous casting in an installation comprising a mold, a corset for primary guidance of the cast product, said corset comprising a set of guide elements of said product as well as means for guiding the oscillation movement disposed on each side of the mold, and a lever for controlling the oscillations of the mold, said device being characterized in that the means for guiding the oscillation movement are mounted in two sealed housings, said housings being arranged on either side of the primary guide corset and individually fixed on the latter, each housing forming with the guide means that it contains an easily removable structural unit.
  • Each housing contains a guide bar, the ends of which, sealingly passing through the upper and lower walls of the housing, are respectively connected to the ingot mold and to the oscillation control lever, said bar cooperating, inside the housing, with rollers which provide lateral guidance and transverse guidance, the axes of said rollers being mounted on the walls of the housing.
  • the lateral guide rollers are arranged in pairs, the rollers of the same pair being placed along a radius of curvature of the oscillation trajectory, while the axes of the transverse guide rollers are oriented along radii of curvature of said trajectory .
  • Each pair of lateral guide rollers is advantageously disposed inside a recess of the bar.
  • transverse guide rollers there are at least three transverse guide rollers, two of these rollers being advantageously arranged inside recesses of the bar, the third, mounted between the previous ones, cooperating with one face of said bar.
  • the upper end of the bar, connected to the mold, is constituted by a rod mounted inside a lateral sheath of said mold with which it is made integral.
  • the lower end of the bar, connected to the oscillation control lever, is coupled to said lever by means of a connecting rod.
  • the connecting rod has, at its upper part, the shape of a fork, each branch of which has a notch, said notches receiving an axis integral with the lower end of the bar, said axis being held in the notches by a hook subjected to the action of a spring, and being releasable by the action of a jack, said hook, said spring and said jack being integral with the connecting rod.
  • a spring box articulated at its base around a fixed axis and the upper part of which is mounted to oscillate around an axis secured to the connecting rod and parallel to said fixed axis.
  • a mold 1 for continuous casting the chassis of which has been shown, and at the outlet of which the cast product, slab for example, is guided by a primary guiding corset constituted by rollers, such as 2, mounted between two sides, such as 3. Only one of the two sides 3 is shown in FIG. 2.
  • a sealed housing 4 On each side 3 is fixed a sealed housing 4, the two cases containing the device for guiding the oscillations of the mold 1 which will be described further in detail with reference to one of the two boxes 4 shown.
  • This housing 4 is fixed to the sidewall 3 by means of two rods 5 passing through said housing.
  • Each rod 5 made integral with the housing 4 by a key 6, is fixed by a pin 7 to a fastener 8 integral with the sidewall 3.
  • the mark 9 designates the lever for controlling the oscillations. Said lever, driven by a mechanism not shown, is arranged below the housing 4.
  • the housing 4 contains a guide bar 10 which, viewed from the front, has the general shape of a U.
  • the upper end of the bar 10 sealingly crosses the upper wall of the housing 4 which is provided for this purpose with a baffle joint 11.
  • Said upper end consists of a rod 12 mounted inside a lateral sheath 13 of the mold 1, and which is made integral with said mold by means of a key 14 passing through said rod.
  • the lower end of the bar 10 sealingly crosses the lower wall of the housing 4 which is provided for this purpose with a baffle seal 15. Said lower end is connected to the lever 9 by means of a connecting rod 16.
  • the latter has the shape of a fork, each arm of which has at its end a notch 17, said notches receiving a horizontal axis 18 carried by the lower end of the bar 10 in the shape of a stirrup 19.
  • the axis 18 is held in position at the bottom of the notches 17 by a hook 20 articulated at 21 on the connecting rod 16 and subjected to the action of a spring 22 secured to the connecting rod 16.
  • a jack 23 also secured to the connecting rod 16, makes it possible to tilt the hook 20, therefore to release the axis 18 and consequently to separate the bar 10 from the lever 9, the hinge axis on the connecting rod 16 is designated by the mark 24.
  • the mark 25 designates a hinged spring box with its base around an articulation axis 26 which is parallel to the axes 18, 21 and 24.
  • the pin 26 is mounted on a fixed support 27 which is for example integral with the chassis of the secondary corset, not shown.
  • the upper part of the box 25 is articulated on the connecting rod 16, around the hinge pin 28 integral with the latter.
  • the axis 28, parallel to the axis 26, is coupled to the box 25 by means of uprights 29.
  • rollers such as 30 which are arranged in pairs inside recesses 31 formed through the bar 10 at the two arms of the U formed by said bar.
  • the axes of each roller 30, 32 for example, are mounted on the front and rear walls of the housing 4.
  • the two rollers 30 disposed in the same recess 31 are placed according to a radius of the oscillation trajectory in an arc.
  • Each recess 31 has two pads such as 33 forming the rolling surface of the corresponding roller.
  • the transverse guide of the bar 10 is provided by three rollers. Two of these rollers, 34 and 36, are arranged inside recesses 35 formed in the bar 10, through the base of the U formed by said bar.
  • the recesses 35 are, of course, made in a direction opposite to that of the recesses 31.
  • the axes of the rollers 34 and 36 are mounted on the side walls of the housing 4 and they are oriented along the directions of the rays of the oscillation path. .
  • the third roller 37 is disposed in an intermediate position between the previous ones, its axis 38, also oriented in the direction of a spoke, being mounted on the front wall of the housing 4 so that the roller 37 cooperates with one face of the bar 10.
  • the lever 9 actuates the bar 10
  • the guiding of the latter is perfectly ensured, both in the lateral direction and in the transverse direction.
  • the bar 10 can be easily disconnected from the lever 9 by simple action of the jack 23. It is then possible to simultaneously raise the ingot mold 1, the housings 4 and the primary guide corset 2-3 of the cast product. It is also possible to lift the single ingot mold 1 by dismantling the keys 14.
  • the arrangement according to the invention also allows, if necessary, the removal of the housings 4 by disassembly of the keys 6 or of the pins 7.
  • each lateral guide roller would then cooperate with a lateral surface of the bar, and each transverse guide roller with one face of said bar. Construction would then be simpler, but the volume of the housing would become greater.
  • the primary guide corset of the cast product could differ from the roller corset described, said rollers being for example replaced by plates or grids.
  • the invention therefore covers, in addition to the example shown, its various alternative embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Devices For Molds (AREA)
EP79400362A 1978-06-26 1979-06-06 Dispositif pour guider le mouvement d'oscillation d'une lingotière de coulée continue Expired EP0006783B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79400362T ATE752T1 (de) 1978-06-26 1979-06-06 Vorrichtung zum fuehren der oszillierenden bewegung einer stranggiesskokille.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7818944A FR2429631A1 (fr) 1978-06-26 1978-06-26 Installation de coulee continue
FR7818944 1978-06-26

Publications (2)

Publication Number Publication Date
EP0006783A1 EP0006783A1 (fr) 1980-01-09
EP0006783B1 true EP0006783B1 (fr) 1982-03-17

Family

ID=9209957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400362A Expired EP0006783B1 (fr) 1978-06-26 1979-06-06 Dispositif pour guider le mouvement d'oscillation d'une lingotière de coulée continue

Country Status (6)

Country Link
US (1) US4274472A (enrdf_load_stackoverflow)
EP (1) EP0006783B1 (enrdf_load_stackoverflow)
JP (1) JPS555199A (enrdf_load_stackoverflow)
AT (1) ATE752T1 (enrdf_load_stackoverflow)
DE (1) DE2962280D1 (enrdf_load_stackoverflow)
FR (1) FR2429631A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403598A1 (de) * 1984-02-02 1985-08-08 SMS Schloemann-Siemag AG, 4000 Düsseldorf Fuehrungsvorrichtung fuer eine oszillierend angetriebene stranggiesskokille
US4727924A (en) * 1986-10-08 1988-03-01 Georgetown Steel Corporation Mold oscillator
FR2648063B1 (fr) * 1989-06-12 1994-03-18 Irsid Procede et dispositif de mise en vibration d'une lingotiere de coulee continue des metaux
GB2315443A (en) * 1996-07-23 1998-02-04 Davy Distington Ltd Continuous casting mould with an oscillating movable part
IT201800005890A1 (it) * 2018-05-31 2019-12-01 Dispositivo di oscillazione per una lingottiera di un impianto per la produzione di acciaio in colata continua

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1433048A1 (de) * 1960-07-27 1968-11-28 Schloemann Ag Hubvorrichtung fuer Kokillen von Stranggussanlagen
AT226895B (de) * 1961-07-13 1963-04-10 Concast Ag Vorrichtung zur Erzeugung einer Schwingbewegung für Stranggußkokillen
US3258815A (en) * 1963-05-03 1966-07-05 Koppers Co Inc Continuous casting machine
US3409070A (en) * 1966-08-05 1968-11-05 Koppers Co Inc Continuous casting apparatus
FR1489636A (fr) * 1966-08-18 1967-07-21 United Stell Companies Ltd Perfectionnements apportés aux machines pour la coulée en continu des métaux
FR1543075A (fr) * 1966-10-28 1968-10-18 Bliss E W Co Appareil servant à animer un moule à coulée continue d'un mouvement de va-et-vient
US3542117A (en) * 1967-03-06 1970-11-24 Mesta Machine Co Continuous casting machine
CH447489A (de) * 1967-04-20 1967-11-30 Concast Ag Vorrichtung zur Zentrierung des Giessstrahles bei einer Stahl-Stranggiessanlage
US3672436A (en) * 1969-11-28 1972-06-27 Interlake Steel Corp Vibrating wall continuous casting mold
FR2121389B1 (enrdf_load_stackoverflow) * 1971-01-08 1973-12-07 Fives Lille Cail
FR2294005A1 (fr) * 1975-12-11 1976-07-09 Danieli Off Mecc Dispositif destine a imprimer des oscillations a la lingotiere d'une installation de coulee continue

Also Published As

Publication number Publication date
FR2429631B1 (enrdf_load_stackoverflow) 1982-04-23
US4274472A (en) 1981-06-23
FR2429631A1 (fr) 1980-01-25
JPS555199A (en) 1980-01-16
EP0006783A1 (fr) 1980-01-09
ATE752T1 (de) 1982-04-15
DE2962280D1 (en) 1982-04-15

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