EP0032116B1 - Antriebs- und Führungsvorrichtung für eine Stranggiesskokille - Google Patents

Antriebs- und Führungsvorrichtung für eine Stranggiesskokille Download PDF

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Publication number
EP0032116B1
EP0032116B1 EP81100024A EP81100024A EP0032116B1 EP 0032116 B1 EP0032116 B1 EP 0032116B1 EP 81100024 A EP81100024 A EP 81100024A EP 81100024 A EP81100024 A EP 81100024A EP 0032116 B1 EP0032116 B1 EP 0032116B1
Authority
EP
European Patent Office
Prior art keywords
lifting table
mould
eccentrics
strips
leaf springs
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
EP81100024A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0032116A1 (de
Inventor
Ernst Theodor Dr. Ing. Sack
Rudolf Guse
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 Schloemann Siemag 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 SMS Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Priority to AT81100024T priority Critical patent/ATE9285T1/de
Publication of EP0032116A1 publication Critical patent/EP0032116A1/de
Application granted granted Critical
Publication of EP0032116B1 publication Critical patent/EP0032116B1/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
    • B22D11/053—Means for oscillating the 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
    • B22D11/043—Curved moulds

Definitions

  • the invention relates to a drive and guide device for the oscillating movement of a mold in continuous casting plants, in particular continuous sheet casting plants with an arcuate mold, with rodless eccentric drive for the lifting table carrying the mold, with side strips on the lifting table that interact with the movement path of the lifting table and thus the mold determine with guides engaging on both sides of the strips, with four synchronously driven eccentrics arranged in the area of the corners of the lifting table (DE-B-2 012 270).
  • rotatable rollers are supported on the lifting table about horizontal axes, which are supported on synchronously driven eccentric discs, so that when they rotate, an oscillating movement of the lifting table carrying the mold is produced.
  • This design avoids many lever-articulation points because the mold stroke is no longer transmitted by lever linkages, but by rodless eccentric drives, but because of the additional lift table castors, it has other bearing parts and components that wear quickly and lead to malfunctions.
  • the mold lifting table has at least one projection or a bar, which is attached laterally in the central area and which is guided between laterally adjacent rollers, for guiding the lifting movement.
  • DE-A-2 248 066 has disclosed leaf springs for carrying and guiding a mold.
  • the leaf springs extend horizontally between the mold or the lifting table and a vertical, stationary support, whereby the mold is no longer accessible from all sides. If the weight of the mold and lifting table can be absorbed by the leaf springs even when the leaf springs are designed as strong spring assemblies firmly clamped at the ends, an exact oscillation control is not given, in particular in continuous sheet casting systems.
  • the invention is therefore based on a guide device with rodless eccentric drive for the lifting table carrying the mold, with guides engaging on strips on both sides and with four synchronously driven eccentrics.
  • the invention is therefore based on the object to avoid the use of additional support and lateral guide rollers with the then required bearings while avoiding the susceptible, maintenance-intensive and leading to inaccuracies.
  • the lifting table is suspended from leaf springs which are fastened to movable bearings which each surround one of the four eccentrics.
  • the leaf springs are now used exclusively to transmit the eccentric strokes to carry out the oscillating movements of the lifting table.
  • the number of bearings is reduced to the bearing points for the eccentrics, which can be regarded as problem-free, since they can be designed as standard spherical roller bearings.
  • the eccentrics can be fixed in place with their shafts and the free ends of the leaf springs can be fixed on the lifting table, or the free ends of the leaf springs can be fixed in a kinematic reversal, whereby the eccentrics with their shafts are mounted on the lifting table.
  • the eccentrics are arranged on a stationary frame of the strand guide frame, and in the second case, the eccentrics are on the lifting table, i.e. their bearings are at rest and the eccentric shafts carry out the eccentric strokes with the lifting table, for which purpose drive shafts would have to be provided in their drive.
  • the free ends of the leaf springs are then connected to the stationary frame.
  • the basic structure 1 anchored to the foundations of the hut corridor, not shown, carries the segments which hold the support rollers 2 for the strand, of which only the two top segments 4, 5 are shown.
  • the lifting table 9 hangs on four leaf springs 11 which act in the area of the corners of the lifting table, each of which is connected at one end to bearings 12 surrounding eccentric 13 and at the other, so to speak free end, to the lifting table 9 (FIGS. 4 and 5 ).
  • the connections are made by means of bolts 14, 14a, 14b.
  • the four eccentrics 13 are driven by a motor 15 via angular gears 16 and shafts 19 (FIG. 3), the shafts running synchronously.
  • the eccentric shafts 19 are mounted on pairs of supports 8a of the fixed frame 8 in bearings 18.
  • each leaf spring 11 is connected to the respective eccentric bearing 12 via a detachable connecting piece 22, the connecting pieces 22 being joined to the bearings 12 with the interposition of spacer plates 23 via the screw bolts 14a.
  • the bolts 14a need to be loosened somewhat, since the spacers 23, which are clamped when the bolts are tightened and are therefore not penetrated by the bolts, are removed transversely to the bolts 14a and by other spacers with the desired thickness dimension can be replaced (Fig. 4).
  • the fixing of the free ends of the leaf springs 11 on the lifting table 9 also takes place with the inclusion of an intermediate piece 24, which establishes the connection with the lifting table 9 via screw bolts 14b and with the leaf spring 11 via the bolts 14 (FIG. 5).
  • the lifting table 9 If the lifting table 9 is to be moved with the mold 10 during oscillation on an arcuate path, the lifting table 9 must be provided with a corresponding curved guide.
  • the eccentrics - the eccentrics 12 seen in the direction of the arrow in FIG. 3 have a smaller eccentricity e1 compared to the eccentric eccentric 12 with the eccentricity e2 - the narrow sides of the lifting table therefore have novel guides, which are general in FIG. 6 are designated by 25.
  • the arrangement of these guides 25 can be seen in FIG. 2.
  • These consist of spring elements 25a designed as round rods, of which the outer ends are each anchored to the stationary frame 8, while the central regions are fixed to angular strips 26, 26a which are fastened in the middle to the narrow sides of the lifting table 9 (FIG .
  • Each spring bar 25a can also consist of a pair of spring bars instead of a single spring bar, in which case the inner ends of each spring bar are fixed to the strips 26, 26a.
  • the spring bars 25a are easy to assemble as a complete unit.
  • the ends of the spring rods are received by blocks 29, 30, which are placed on a removable support plate 31 and, for example, are welded.
  • the spring bars each have a bead 32 (FIG. 8) which fit in corresponding recesses 33 in the strips 26, 26a, which are joined together by screws 34 after the assembly, whereby the beads 32 are centered in the recesses 33 .
  • a pair of strips 26, 26a is then screwed to the movable lifting table 9 by means of screws 35 on the two narrow sides of the mold (FIG. 2), whereas the support plate 31 is also screwed to the fixed frame 8 by screws 36.
  • the strips can be supported by an intermediate layer 39, which is removed again after screwing.
  • the spring bars 25a aligned with the center point guide the lifting table on the desired arcuate path, whereby they are somewhat stretched. It is advisable to pretension the spring bars 25a via outer nuts 40 (FIG. 8).
  • extension hooks 41 can still be seen, in which rope loops can be hung, so that the unit consisting of lifting table 9, mold 10 and the upper segment 4 can be lifted by means of the hall crane in the event of a malfunction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Devices For Molds (AREA)
EP81100024A 1980-01-03 1981-01-05 Antriebs- und Führungsvorrichtung für eine Stranggiesskokille Expired EP0032116B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81100024T ATE9285T1 (de) 1980-01-03 1981-01-05 Antriebs- und fuehrungsvorrichtung fuer eine stranggiesskokille.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3000117 1980-01-03
DE19803000117 DE3000117A1 (de) 1980-01-03 1980-01-03 Antriebs- und fuehrungsvorrichtung fuer eine stranggiesskokille

Publications (2)

Publication Number Publication Date
EP0032116A1 EP0032116A1 (de) 1981-07-15
EP0032116B1 true EP0032116B1 (de) 1984-09-12

Family

ID=6091500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81100024A Expired EP0032116B1 (de) 1980-01-03 1981-01-05 Antriebs- und Führungsvorrichtung für eine Stranggiesskokille

Country Status (4)

Country Link
EP (1) EP0032116B1 (ja)
JP (1) JPS5699053A (ja)
AT (1) ATE9285T1 (ja)
DE (1) DE3000117A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714549A1 (de) * 1986-06-10 1987-12-17 Voest Alpine Ag Fuehrungseinrichtung fuer eine auf einem hubtisch gelagerte kokille einer stranggiessanlage
DE3707559A1 (de) * 1987-03-10 1988-09-22 Schloemann Siemag Ag Verfahren und vorrichtung zur erzeugung von schwingungen fuer stranggiesskokillen
DE3933526A1 (de) * 1989-10-04 1991-04-18 Mannesmann Ag Oszillationsvorrichtung fuer stranggiesskokille
DE4444941A1 (de) * 1993-12-20 1995-06-22 Voest Alpine Ind Anlagen Stranggießkokille

Families Citing this family (9)

* 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
AT382540B (de) * 1985-06-27 1987-03-10 Voest Alpine Ag Stranggiessanlage mit einer auf einem oszillierenden hubtisch gelagerten kokille
DE3704793A1 (de) * 1987-02-16 1988-08-25 Thyssen Edelstahlwerke Ag Hubvorrichtung an einer stranggusskokille
US4953613A (en) * 1987-02-16 1990-09-04 Thyssen Edelstahlwerke Ag Lifting device on a continuous casting mold
US5219029A (en) * 1992-03-09 1993-06-15 Gunther Behrends Oscillator for continuous casting mold
DE4341719C2 (de) * 1993-12-03 2001-02-01 Mannesmann Ag Einrichtung zum Stranggießen von Stahl
AT401028B (de) * 1994-07-07 1996-05-28 Voest Alpine Ind Anlagen Stranggiesskokille
AT404808B (de) * 1996-05-20 1999-03-25 Voest Alpine Ind Anlagen Stranggiessanlage
DE19817701C2 (de) * 1998-04-21 2000-09-28 Sms Demag Ag Hubtisch mit Oszillationsantrieb für eine Stranggießeinrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES364041A1 (es) * 1968-02-27 1971-01-01 United States Steel Corp Perfeccionamientos en la construccion de soportes oscilan- tes para molde tubulares de funcion continua.
DE1758554A1 (de) * 1968-06-26 1971-02-11 Schloemann Ag Vorrichtung zur Fuehrung von oszillierend angetriebcnen Stranggiesskokillen
DE2012270C3 (de) * 1970-03-14 1974-03-14 Demag Ag, 4100 Duisburg Antriebsvorrichtung für oszillierende Bewegungen ausführende, zur Bahn des Gießstranges parallel geführte Stranggießkokillen für Metall-, insbesondere für Stahlstranggießanlagen
DE2248066A1 (de) * 1972-09-30 1974-04-04 Schloemann Ag Vorrichtung zum fuehren einer oszillierenden stranggiesskokille
AT333997B (de) * 1974-06-12 1976-12-27 Voest Ag Oszillationsgetriebe, insbesondere fur kokillen in stranggiessanlagen
US4044630A (en) * 1974-12-23 1977-08-30 Koppers Company, Inc. Adjustable eccentric
DE2821383A1 (de) * 1978-05-16 1979-11-22 Fives Cail Babcock Stranggiessanlage fuer brammen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714549A1 (de) * 1986-06-10 1987-12-17 Voest Alpine Ag Fuehrungseinrichtung fuer eine auf einem hubtisch gelagerte kokille einer stranggiessanlage
DE3707559A1 (de) * 1987-03-10 1988-09-22 Schloemann Siemag Ag Verfahren und vorrichtung zur erzeugung von schwingungen fuer stranggiesskokillen
DE3933526A1 (de) * 1989-10-04 1991-04-18 Mannesmann Ag Oszillationsvorrichtung fuer stranggiesskokille
DE4444941A1 (de) * 1993-12-20 1995-06-22 Voest Alpine Ind Anlagen Stranggießkokille
DE4444941C2 (de) * 1993-12-20 1999-03-18 Voest Alpine Ind Anlagen Stranggießkokille
DE4444941C3 (de) * 1993-12-20 2003-07-24 Voest Alpine Ind Anlagen Stranggießkokille

Also Published As

Publication number Publication date
DE3000117A1 (de) 1981-07-09
DE3000117C2 (ja) 1988-07-07
ATE9285T1 (de) 1984-09-15
EP0032116A1 (de) 1981-07-15
JPS5699053A (en) 1981-08-10

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