EP0875316B1 - Appareil pour l'extraction d'une barre - Google Patents

Appareil pour l'extraction d'une barre Download PDF

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Publication number
EP0875316B1
EP0875316B1 EP98250112A EP98250112A EP0875316B1 EP 0875316 B1 EP0875316 B1 EP 0875316B1 EP 98250112 A EP98250112 A EP 98250112A EP 98250112 A EP98250112 A EP 98250112A EP 0875316 B1 EP0875316 B1 EP 0875316B1
Authority
EP
European Patent Office
Prior art keywords
strand
continuous casting
casting mould
drawing out
particular metal
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
EP98250112A
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German (de)
English (en)
Other versions
EP0875316A3 (fr
EP0875316A2 (fr
Inventor
Reinhard Dipl.-Ing Greiwe
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0875316A2 publication Critical patent/EP0875316A2/fr
Publication of EP0875316A3 publication Critical patent/EP0875316A3/fr
Application granted granted Critical
Publication of EP0875316B1 publication Critical patent/EP0875316B1/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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing

Definitions

  • the invention relates to a device for pulling out a strand, in particular Metal strand from a continuous casting mold with two opposite, contacting the strand on opposite strand sides, in chocks Drivable rollers mounted on both sides, which adapt to the Strand cross-section with their chocks in a frame together Slidable away from each other and powered by power or pressure medium to the Extrudate surface are pressed. See e.g. DE-C-744 229.
  • Devices for pulling continuous casting strands out of molds are diverse Shapes and constructions are known and used to make molds produced casting strand continuously or discontinuously with targeted Taking off speeds.
  • the most varied Can have cross-sectional shapes, can be gripped in the direction of transport, rolls are applied to the surface of the strand and pressed, the if necessary with profiles for better gripping of the strand surface or caliber deformations adapted to the strand surface are provided.
  • Known Pullers for continuous casting strands consist of a clamping unit in the the driven rollers are slidably mounted in chocks.
  • the chocks are matched to the respective strand cross section Rollers, for example via spindle drives or piston-cylinder units on top of each other moved towards and away from each other; the supporting forces of the rollers against the Strand surface are over the spindles or piston-cylinder units recorded and transferred into the frame.
  • spindle drives or piston-cylinder units on top of each other moved towards and away from each other; the supporting forces of the rollers against the Strand surface are over the spindles or piston-cylinder units recorded and transferred into the frame.
  • the present invention is based on that described above State of the art the task of a device for pulling out a Strands, especially metal strands from a continuous casting mold simplify, their interchangeability to adapt to different Simplify continuous casting cross sections and the greatest possible flexibility in the To adapt to the different continuous casting cross sections.
  • the invention proposes that each Installation piece of a roller over a tension member with one in the direction of displacement Rollers of the clamping unit slidably guided spindle or gear transmission or Piston-cylinder units is connected, the parallel to the displacement device Chocks or racks or piston racks with the two chocks of the other role are connected between the Gear block and the first role is arranged.
  • a clamping unit is created, one in itself forms a closed clamping unit, which clasps the continuous casting.
  • Tension member to the spindle or gear transmission or piston-cylinder units runs and from there via the spindle or rack or piston rods another role.
  • the two roles are in the compact clamping unit slidable, which in turn in a housing frame is led.
  • the tension members are through Drawstrings formed, which the chocks of a role with the spindle or Gear transmission or the piston-cylinder units non-positively and / or positively connect.
  • the drawstrings can be free of Mounting holes are held so that no weakening of the connecting parts occurs.
  • a load cell is arranged at least between one of the spindle or racks of the spindle or Rack and pinion gear or the piston-cylinder units and at least one Chock of the other role.
  • the load cell is only mounted on the drive side of the rollers; on the other hand in this case there is an adapter for connecting spindle or toothed racks or piston rod and chock for use.
  • the load cell measures that equal proportions of clamping pressure acting on all chocks of the two rollers.
  • any spindle or To assign gear drives to their own drive motor In a preferred one
  • the spindle or gear drives on both sides have one version Connection shaft connected to each other and by a common one Drive motor driven.
  • the connecting shaft is usually offset from the plane laid by the axes of both roles.
  • rollers in their chocks to be stored in spherical roller bearings. This solution is preferred in connection with Individual drives of the two spindle or gear drives or piston-cylinder units applied, the connecting shaft then being omitted.
  • the Spherical roller bearings can absorb angular deviations of approx. 2 °.
  • the solution according to the invention is particularly advantageous enables the clamping units with the parts contained therein as modules train that can be mounted on a frame. That way it will possible, the essential components very quickly and easily against each other exchange by simply exchanging one module for another.
  • the invention allows with a small number of clamping units, preferably three different length dimensions, the complete casting program one To cover the caster.
  • the modules differ only in the Adjustment range and after the necessary clamping pressure.
  • the size of the spindle or Gear transmission or piston-cylinder units and the clamping force of the Disc springs must be adapted to the conditions in order to prevent the strand from deforming to minimize.
  • the clamping unit is guided in a frame.
  • the frame is modular constructed and consists of supports, beams and trusses that work together screwed and put together to a rigid frame construction. This gives you maximum flexibility.
  • the strand spacing is according to the It is easy to change customer requests, because in principle every clamping unit is free can be postponed.
  • the clamping units and the rollers make it possible both slabs and bolts and both combined subtract so that a simple and universally applicable assembly is created has been.
  • FIG 1 the clamping units 9 of the invention are shown roughly schematically.
  • the Strand 13 is clutched by the two clamping units 9 with the rollers 1, 4.
  • the non-rotating spindle 7 becomes axial moved so that the two rollers 1 and 4 over the drawstrings 2 centrally move apart or move together.
  • the power flow runs from strand 13 through the fixed connection of the drawstrings from one roller 1 to the screw jack 3 and back to the other roller 4 via the spindle 7.
  • the power flow is closed, i.e. there are no additional reaction forces due to the clamping process Frame 15 on.
  • the two sides of the clamping unit are driven over a connecting shaft 11 mechanically connected and are connected via a common drive 10 adjusted ( Figure 2).
  • the power transmission between the one roller 1 and the screw jack 3 is due to the high surface pressure, positive and non-positive via the drawstring 2 held.
  • one positive connection to the screwed-on plate can be dispensed with the chocks themselves can be used as a guide 2.
  • the other role 4 has none Connection to tie 2, but uses the same guide 12.
  • the clamping pressure of A maximum of 500 kN is distributed equally between the two clamping units 9.
  • the Load cell 5 is only installed on the drive side. On the other hand comes an adapter for use.
  • the disc springs 6 installed in both clamping units enable a compensation in the strand diameter.
  • the clamping units 9 are graded into 3 modules, with which can cover the entire casting program.
  • the modules differ only in the adjustment range and in the necessary Clamping pressure.
  • the size of the screw jacks and the clamping force of the Disc springs only have to be adjusted to the circumstances in order to prevent the To be able to minimize strands.
  • FIG. 3 shows the clamping unit according to the invention of a pure bolt system an adjustment range from 10 mm to 370 mm (module 1). It is conceivable with this Module both a vertically cast tape (Figure 4a) and two bolts to clamp simultaneously (Figure 4b). Because the bolts can be different an inclination of the rollers in spherical roller bearings 8 may be possible. So the strand can be securely clamped with different diameters, each To adjust the clamping unit via its own drive, so that the connecting shaft 11 omitted.
  • the provided spherical roller bearings 8 can have an angular deviation of approx. 2 °, corresponds to one with a strand spacing of 300 mm Diameter difference of 10 mm.
  • Figure 5a shows a combined system for the bolt and rolling plate as a second module with an adjustment range of 10 mm to 760 mm (Figure 5b).
  • the rolling plate is here stretched on the narrow side ( Figure 5c). Roughing calculations have shown that the deflection is smaller than that of the despite the larger center distance overhung role in the state of the art.
  • FIG. 6 shows a system for rolled plates with an adjustment range from 10 mm to 1300 mm (third module).
  • the modules are a variety of Possible combinations, without a restriction in the adjustment range enter into.
  • the strand spacing is easy to change at the customer's request because in principle, each clamping unit in the guide 12 can be freely moved.
  • in the Setup mode is a role 1 according to the strand format in the axial direction Fix frame frame.
  • the connecting shaft 11, which may with the could consolidate each other strand is arranged so that it is always under one Roll 1, 4 of the other clamping unit is seated and thus does not affect the process.
  • the clamping unit is guided in the frame, the frame of which is modular is built up and consists of supports, girders and trusses that join together are bolted to a rigid frame construction. This is how you achieve that Maximum flexibility with high overall stability of the system.
  • FIGs 7 to 17 different modules are different clamping units compiled according to the invention.
  • Figure 7 shows the clamping unit for one Two-strand system for bolts up to 360 mm in diameter. They are recognizable Clamping units 9 one above the other in their frame with a frame width of Arranged 1500 mm, in such a way that the spindle gear 3 each after different sides. In this way it becomes possible to have two bolts 13 pull at a distance of 650 mm at the same time without the clamping units 9 hinder each other.
  • FIG. 8 shows the same system with other modules, one Frame width of 2500 mm. In this compilation one or two strands or rolled plates can be drawn.
  • FIG. 9 shows a single-strand system for rolled plates up to 700 mm wide, which corresponds to the system according to FIG. 8.
  • the upper clamping unit is in one Drive to rest position (shown in dashed lines).
  • FIG 10 the arrangement of a three-strand system for bolts is shown, which thereby is created that three clamping units on top of each other in their frame are arranged offset to each other.
  • the frame width is, as in the illustration according to Figure 9, 2500 mm.
  • FIG 11 a three-strand system is shown in a different version; here are the Clamping units arranged side by side in the lower frame, while the third clamping unit above and between the two lower clamping units is arranged.
  • FIG. 12 also shows a three-strand system, as shown in FIG. 11, however the frame width here is 4500 mm. Accordingly, here with others Modules larger bolts are removed.
  • FIG. 13 shows the system according to FIG. 12 for a two-strand system for rolled plates up to 700 mm, whereby the upper clamping unit was moved into the parking position (dashed drawn).
  • FIG. 14 shows the same system with only one module for removing a rolled plate up to 700 mm.
  • the lower frame is not occupied, i.e. the clamping units are either removed or, as shown in the dashed drawing, in a Rested position.
  • Figure 15 shows a four-strand system for bolts up to 360 mm in diameter.
  • the system has a frame width of 4500 mm on and thus corresponds to the system of Figure 13.
  • the four clamping units are like this arranged, the four strands deducted simultaneously with the same strand spacing can be.
  • FIG. 16 shows a system of rolled plates up to 1250 mm.
  • the two upper modules (shown in dashed lines) have been removed or moved to the rest position, so that only one module is used.
  • Figure 17 finally shows a three-strand system in a frame of 3500 width corresponding to Figure 16. It can be seen that all systems are very diverse and flexible can be used, with a total of only three modules (clamping units) used to cover an extremely large program.
  • FIG. 18 shows the bearing 8 of the roller 1 in the chock 14.
  • the drawstrings 2 and also can be seen in the sectional representation the frame 15.
  • FIG. 19 shows the essentials again in a perspective representation System parts of a system for two bolts shown and numbered.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Metal Rolling (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Surgical Instruments (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Claims (14)

  1. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue à l'aide de deux rouleaux (1, 4) pouvant être entraínés, opposés l'un à l'autre, en contact avec la barre par les côtés opposés de cette dernière, montés de part et d'autre dans des éléments de montage (14), lesquels rouleaux peuvent être rapprochés l'un vers l'autre et éloignés l'un de l'autre avec leurs éléments de montage dans un châssis fixe (15) pour l'adaptation à la section transversale de barre et pouvant être pressés contre la surface de barre par force mécanique ou pression,
    caractérisé en ce que chaque élément de montage (14) d'un rouleau (1) est relié par un élément de traction (2) à une transmission à broche ou à engrenages ou, selon le cas, à des unités cylindre-piston (3), guidées de façon mobile dans le sens du déplacement des rouleaux (1, 4) dans un guidage (12) d'une unité de serrage (9), dont les tiges de broche ou crémaillères ou, selon le cas, les tiges de piston (7) alignées parallèlement au sens de déplacement des éléments de montage (14) sont reliées aux deux éléments de montage (14) de l'autre rouleau (4) qui est disposé entre le bloc d'entraínement et le rouleau cité en premier (1).
  2. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon la revendication 1,
    caractérisé en ce que les éléments de traction (2) sont formés par des bandes qui relient par adhérence et/ou par engagement positif les éléments de montage (14) du rouleau (1) à la transmission à broche ou à engrenages ou, selon le cas, aux unités cylindre-piston (3).
  3. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue dans une unité de serrage selon la revendication 1 ou 2,
    caractérisé en ce qu'un capteur de force (5) est disposé entre au moins l'une des tiges de broche ou des crémaillères ou, selon le cas, des tiges de piston (7) de la transmission à broche ou à engrenages ou, selon le cas, des unités cylindre-piston (3) et au moins un élément de montage (14) de l'autre rouleau (4).
  4. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 3,
    caractérisé en ce que les tiges de broche ou les crémaillères ou, selon le cas, les tiges de piston (7) de la transmission par broche ou par crémaillère ou, selon le cas, des unités cylindre-piston (3) sont appuyées contre les éléments de montage (14) de l'autre rouleau (4) par l'intermédiaire de ressorts Belleville intercalés (6).
  5. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 4,
    caractérisé en ce qu'une unité d'entraínement propre (10) est attribuée à chaque transmission à broche ou à engrenages ou, selon le cas, à chaque unité cylindre-piston (3).
  6. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 5,
    caractérisé en ce que les transmissions à broche ou à engrenages (3) sont reliées entre elles par un arbre de liaison (11) et entraínées par un moteur. d'entraínement commun (10).
  7. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 6,
    caractérisé en ce que les rouleaux (1, 4) sont montés dans leurs éléments de montage dans des roulements à rotule (8).
  8. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 7,
    caractérisé en ce que l'un des rouleaux (1, 4) peut être fixé pour le réglage au format de barre dans le châssis fixe.
  9. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 8,
    aractérisé en ce que l'unité de serrage (9) avec les pièces guidées à l'intérieur de celle-ci, est réalisée sous la forme de modules interchangeables qui peuvent être montés dans le châssis fixe.
  10. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 9,
    caractérisé en ce que plusieurs unités de serrage (9) (modules) peuvent être superposées et combinées entre elles.
  11. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 10,
    caractérisé en ce que les unités de serrage (9) présentent au moins deux, de préférence trois, dimensions de longueur différentes.
  12. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 11,
    caractérisé en ce que pour former une structure à portique rigide et modulaire, des montants, supports et traverses sont vissés les uns aux autres.
  13. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 12,
    caractérisé en ce que devant et derrière l'élément de montage (14) du rouleau mobile (4) une butée (16, 17) est vissée fixement au châssis fixe (15).
  14. Dispositif pour l'extraction d'une barre, notamment une barre métallique hors d'une coquille de coulée continue, selon l'une des revendications 1 à 13,
    caractérisé en ce que pour sortir et rentrer de façon centrée les rouleaux (14), un entraínement auxiliaire peut être installé entre l'unité de serrage et le châssis fixe (15).
EP98250112A 1997-04-24 1998-03-27 Appareil pour l'extraction d'une barre Expired - Lifetime EP0875316B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19717914A DE19717914C2 (de) 1997-04-24 1997-04-24 Vorrichtung zum Ausziehen eines Stranges
DE19717914 1997-04-24

Publications (3)

Publication Number Publication Date
EP0875316A2 EP0875316A2 (fr) 1998-11-04
EP0875316A3 EP0875316A3 (fr) 1999-09-22
EP0875316B1 true EP0875316B1 (fr) 2002-09-04

Family

ID=7827987

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98250112A Expired - Lifetime EP0875316B1 (fr) 1997-04-24 1998-03-27 Appareil pour l'extraction d'une barre

Country Status (5)

Country Link
US (1) US6062295A (fr)
EP (1) EP0875316B1 (fr)
JP (1) JP3770520B2 (fr)
AT (1) ATE223271T1 (fr)
DE (2) DE19717914C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470957B1 (en) * 1999-07-16 2002-10-29 Mannesmann Ag Process for casting a continuous metal strand
DE10321646A1 (de) * 2002-06-03 2004-07-15 Rubitherm Gmbh Verfahren zur Wärme- und Kälteversorgung eines Raumes und Gebäude mit einer Mehrzahl mit einer Mehrzahl von Räumen
JP4970529B2 (ja) * 2009-12-28 2012-07-11 株式会社神戸製鋼所 連続鋳造設備の鋳片案内装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744299C (de) * 1940-02-28 1944-01-13 Aeg Anodenrohr fuer Roentgenroehren mit Aussenanode
DE744229C (de) * 1941-08-29 1944-01-12 Fries Sohn J S Barrenabziehvorrichtung fuer Stranggiessmaschinen
US3089363A (en) * 1957-05-29 1963-05-14 Westinghouse Electric Corp Strip thickness control apparatus
US4090549A (en) * 1974-07-12 1978-05-23 United States Steel Corporation Method and mechanism for determining forces on a solidifying casting
JPS5775239A (en) * 1980-10-28 1982-05-11 Kobe Steel Ltd Width screw-down device for slab
JPH0790341B2 (ja) * 1987-06-30 1995-10-04 住友電気工業株式会社 連続鋳造用ロ−ラ−ガイド
DE4138740A1 (de) * 1991-11-26 1993-05-27 Schloemann Siemag Ag Verfahren und vorrichtung zum stranggiessen von brammen oder bloecken

Also Published As

Publication number Publication date
DE19717914C2 (de) 1999-05-12
DE19717914A1 (de) 1998-10-29
EP0875316A3 (fr) 1999-09-22
EP0875316A2 (fr) 1998-11-04
JP3770520B2 (ja) 2006-04-26
DE59805371D1 (de) 2002-10-10
US6062295A (en) 2000-05-16
ATE223271T1 (de) 2002-09-15
JPH10296411A (ja) 1998-11-10

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