US3550675A - Continuous casting plant having adjustable strand guide means - Google Patents

Continuous casting plant having adjustable strand guide means Download PDF

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Publication number
US3550675A
US3550675A US700478A US3550675DA US3550675A US 3550675 A US3550675 A US 3550675A US 700478 A US700478 A US 700478A US 3550675D A US3550675D A US 3550675DA US 3550675 A US3550675 A US 3550675A
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United States
Prior art keywords
rollers
strand
continuous casting
guideway
frames
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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
US700478A
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English (en)
Inventor
Walter Hess
Hans-Dieter Schulz
Jean Lang
Karl-Heinz Bauer
Paul Desfossex
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Schloemann AG
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Schloemann AG
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Publication date
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Publication of US3550675A publication Critical patent/US3550675A/en
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    • 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

  • PATENTEDUEEZQIQYB 3550675 sum 1 OF 2 FIGJ FIGA IMVENTORS WALTER ME88 HANS-METER $CHULZ Jun LANG v KARL-M INZ BAUER EY PAUL DESFOSSEZ M m m ATTORNEYS CONTINUOUS CASTING PLANT HAVING ADJUSTABLE STRAND GUIDE MEANS
  • the invention relates to continuous casting plant comprising adjustable guide means for guiding castings of different dimensions after they have left the continuous casting mould.
  • These guide means for the castings in continuous casting plant usually consist of a plurality of guide rollers disposed in pairs consecutively along the length of the casting guide way 111 such manner that the rollers of each pair are located on opposite sides of the casting. If the continuous casting plant is to be capable of producing castings of different cross sections the spacing of the rollers must be appropriately adjustable to the cross section required in each particular case. Adjustability necessitates the provision of rather complicated adjusting means which are inconvenient to operate besides being awkward to set to a desired constant cross section.
  • the object of the present invention to provide continuous casting plant of the above described kind in which such difficulties cannot arise. More particularly, it is the object of the invention so to contrive the plant that the guide rollers can be adjusted with the greatest precision in the shortest possible time.
  • the invention substantially proposes that the guideway should consist of rollers mounted in a frame surrounding the continuous casting, that the elements of said frame which extend perpendicularly to the longitudinal roller axes on opposite sides of the rollers should be relatively displaceable and locatable by exchangeable spacing members of different thicknesses to establish the exact gap width required by the thickness of the castings.
  • the frame elements may be relatively movable by hydraulic drive means in which the adjusting forces are generated by a hydraulic fluid.
  • the forces in such a closed frame are completely self-contained and the rollers are locatable at the exact relative distance determined by the spacing members. Since the spacing members form part of the selfcontained system of forces, they ensure an absolutely precise relative adjustment of the cooperating rollers. A numerically small set of different spacing members permits any desired gap width between the cooperating rollers to be established. Conveniently the spacing members may be arranged to be inserted in combinations in a manner analogous to the combination of a set of different weights.
  • the relatively movable frame elements may comprise double acting rams of whichthe cylinders are attached to a platen which carries the bearing members of one or more rollers, whereas the piston rods are pivotably linked to a platen carrying the bearing members of the roller or rollers on the opposite side of the frame, said spacing members being deflectably insertable between an abutment member on the piston rods and the annular end face of the associated cylinders.
  • the spacing members have U-type portions and incorporate levers, a plurality of which may be jointed to control rods. It is therefore possible to change the thickness of the casting quickly without having to interchange parts of the adjusting equipment.
  • FIG. 1 is a plan view of a guideway for continuous casting according to the invention
  • FIG. 2 is an elevational view vertically through the guideway according to FIG. 1, looking at the rollers which face the wider side of the cast slab at one side of the guideway;
  • FIG. 3 is an elevational view vertically through the guideway according to FIG. 1, at right angles to the view of FIG. 2 and looking at the ends of the roller, and
  • FIG. 4 is an enlarged elevational view, partly in section showing a particular embodiment of the roller mountings.
  • FIG. 1 shows two guide rollers, l and 2, of a pair after having been adjusted to the thickness of a continuously cast slab 3.
  • the guide rollers are joumaled at each end in bearing members 4 and 4" secured respectively to platens 5 and 5'.
  • Pistons 8 attached to piston rods 7 are slidable in the cylinders 6.
  • a hydraulic fluid can be admitted on either side of the pistons.
  • the free ends of the piston rods 7 carry abutment members 9, which limit the depth of retraction ofthe pistons into their cylinders and which are attached to the other platen 5 by hinge pins 10.
  • the described arrangement represents a closed force generating system which transmits no forces to the outside.
  • a spacing member 12 Interposed between each piston rod abutment 9 and the cooperating end face of the cylinder 6, formed by a ring 11, is a spacing member 12 which is pivotably mounted in the abutmerit member 9 provided with an outwardly extending lever arm 12'. The latter permits the spacing member 12 to be operated in a manner that will be later described by a shift rod 13 extending in the direction of travel of the casting.
  • the spacing members 12 are preferably shaped in the form of a hook designed to embrace the piston rod 7.
  • the ends of the arms 12' are attached by hinge couplings 14 to the shift rod 13 which is displaceable by an actuator cylinder 15 secured to the end of the roller guideway or to the end of a section thereof.
  • all the consecutively disposed spacing members 12 may be coupled to the shift rod 13 in such a way that by operation of the actuator cylinder 15 all the spacing members 12 can be conveniently moved at the same time.
  • the spacing members 12 will all be deflected into the positions indicated in discontinuous lines.
  • each spacing member 12 is shown associated with each hydraulic cylinder 6. However, it is preferred to provide a plurality of spacing members 12 forming a stack that can be built up in the direction of motion of the piston rod 7 and in which each spacing member can be swung in and out in the same way as the illustrated spacing operate the several spacing members comprised in each stack.
  • a plurality of consecutive rollers l and 2 in the direction of motion of the casting may be combined to form a unit that can be conjointly adjusted, each unit comprising a fixed platen 5 carrying bearing members for the rollers and a cooperating movable platen 5' which is movable in relation thereto.
  • Dot-dash line contours indicate that a first zone 17 directly follows the end of the casting mould 16, further zones 18, 19 and 20 shown in full lines consecutively adjoining this first zone.
  • the platens 5 and 5' in zone 18 have been moved apart to the fullest possible extent and the associated guide rollers thus define a wide shaft through which the next zone 19 is accessible from the end nearest the mould.
  • FIGS. 2 and 3 only one actuator cylinder 15 is provided for the operation of a shift rod 13. If spacing members of different thicknesses are each to be operated by an associated shift rod 13 and an actuator cylinder 15 and the latter must therefore be disposed in staggered adjacence, the disposition of the cylinders will necessitate providing the lever arms 12' of the spacing members 12 with appropriate offsets.
  • the rollers l and 2 are held in their prescribed positions by a relatively powerful thrust.
  • the necessary resilient support is provided by a set of springs 21 in the form of a stack of dished springs which develop a very powerful thrust, but which are not stressed during normal operation.
  • the stack of springs bears against a retaining ring 22 which also supports the bearing member 4.
  • the bearing member 4 is formed with a guide pin 4' which is movable within the limits permitted by a slot 23 engaged by a pin 24.
  • the bearing members 4 are fully extended, but they are capable of yielding to the right in the drawing, when the load on the roller unduly rises, until the pin 24 strikes the other end of its slot.
  • the guide pin 4 of the bearing member 4 is also loaded by a set of springs 25 which is, however, substantially weaker than the stack of springs 21.
  • the set of springs 25 bears against the interior of a threaded cap 26 or the like which is attached to the platen, and applies thrust to a flat ring 27 which in turn bears on a thrust rod 28 for transmitting this thrust to the guide pin 4.
  • the position of the thrust rod 28 can be varied according to requirements by means of a set screw 29 which extends through the cap and engages the end of the thrust rod. Hence the upper half of the thrust rod in the drawing is shown to make contact with the guide pin 4', whereas the bottom half has been slightly retracted to the right by readjustment of the screw 29.
  • a guideway for the strand comprising guide rollers mounted in frames that are located to be at respectively opposite sides of the strand, said rollers being resiliently mounted in the frames for movement, relative to the frames, toward and away from a strand passing through the guideway, means for moving the frames at opposite sides of the strand relatively toward and away from each other for adjusting the width of the guideway, the latter means including first elements of one frame slideably received in second elements of the opposite frame, and spacing members adapted to engage said second elements for establishing and maintaining a desired spacing of the opposite frames relative to each other, said first and second elements being respectively cylinders and pistons and piston rods, and means for moving said pistons and piston rods relatively in and out of the cylinders.
  • a guideway for the strand comprising guide rollers mounted in frames that are located to be at respectively opposite sides of the strand, each of the rollers being resiliently mounted in the frames by springs for movement, relative to the frames, toward and away from a strand passing through the guideway, said springs including a first spring mounted for urging the roller associated therewith toward said strand and a second spring biased to resist movement of said roller away from said strand with greater pressure than applied by the first spring, means for moving the frames at opposite sides of the strand relatively toward and away from each other for adjusting the width of the guideway, the latter means including first elements of one frame slideably received in second elements of the opposite frame, and spacing members adapted to engage said second elements for establishing and maintaining a desired spacing of the opposite frames relative to each other.
  • a guideway for the strand comprising guide rollers mounted in frames that are located to be at respectively opposite sides of the strand, means for moving the frames at opposite sides of the strand relatively toward and away from each other for adjusting the width of the guideway, the latter means including first elements of one frame slideably received in second elements of the opposite frame, said first and second elements being respectively cylinders and pistons and piston rods, means for moving the pistons and piston rods relatively in and out of the cylinders, spacing members adapted to engage said second elements for establishing and maintaining a desired spacing of the opposite frames relative to each other, an abutment member on each of said piston rods, said spacing members being members of predetermined thickness pivotally mounted to move into and out of position laterally across the piston rods between the cylinders and said abutment members for establishing and maintaining the positions of the piston rods and pistons with respect to the cylinders, said spacing members for a plurality of piston

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
US700478A 1967-01-27 1968-01-25 Continuous casting plant having adjustable strand guide means Expired - Lifetime US3550675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC040145 1967-01-27

Publications (1)

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US3550675A true US3550675A (en) 1970-12-29

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US700478A Expired - Lifetime US3550675A (en) 1967-01-27 1968-01-25 Continuous casting plant having adjustable strand guide means

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US (1) US3550675A (pt)
BE (1) BE709684A (pt)
CH (1) CH479350A (pt)
ES (1) ES350096A1 (pt)
GB (1) GB1214052A (pt)
LU (1) LU55360A1 (pt)
NL (1) NL156075B (pt)
SE (1) SE361272B (pt)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710847A (en) * 1969-05-30 1973-01-16 Voest Ag Elastically deformable curved supporting and guiding construction for cast bars
US3730256A (en) * 1969-06-30 1973-05-01 Koppers Co Inc Apparatus for bending continuous cast slabs
US3735804A (en) * 1971-02-25 1973-05-29 Steel Corp Adjustable conducting roll apparatus
US3757848A (en) * 1970-12-19 1973-09-11 Schloemann Ag Method and apparatus to relieve the strain on roller apron segments during continuous casting
US3796252A (en) * 1971-06-22 1974-03-12 Demag Ag Support arrangement for a continuous casting with drawing bolt and head
US4018261A (en) * 1975-05-13 1977-04-19 Vereinigte Osterreichlsche Eisen- und Stahlwerke-Alpine Montan Aktiengesellschaft Continuous casting plant strand guiding means
US4034799A (en) * 1975-10-30 1977-07-12 United States Steel Corporation Mechanism for adjusting a guide roll-rack
US4058154A (en) * 1976-09-23 1977-11-15 Concast Incorporated New York Guiding and supporting means for continuously cast metal strand
US4071074A (en) * 1974-06-11 1978-01-31 Schloemann-Siemag Aktiengesellschaft Roller apron for a continuous casting installation
EP0047844A1 (de) * 1980-09-12 1982-03-24 MDS Mannesmann Demag Sack GmbH Vorrichtung zur stufenweisen Abstands-Einstellung
US4567933A (en) * 1982-10-18 1986-02-04 Swiss Aluminium Ltd. Device for manufacturing metal strips
US4687046A (en) * 1986-03-03 1987-08-18 Kabushiki Kaisha Kobe Seiki Sho Top roller apron in a continuous casting assembly
US20100307710A1 (en) * 2008-02-14 2010-12-09 Axel Weyer Strand guide, in particular for a continuous steel slab casting installation
US20110056803A1 (en) * 2008-05-28 2011-03-10 Axel Stavenow Strand guide, in particular for a continuous casting installation for steel slabs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806317B1 (de) * 1978-02-15 1979-08-23 Demag Ag Entlastungseinrichtung an einem Stuetzelementtraeger fuer Metall-,insbesondere fuer bogenfoermige Stahlstranggiessanlagen
CN104550800B (zh) * 2014-12-15 2016-09-21 中冶南方工程技术有限公司 一种板坯连铸弯曲段框架间隙调整装置

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3710847A (en) * 1969-05-30 1973-01-16 Voest Ag Elastically deformable curved supporting and guiding construction for cast bars
US3730256A (en) * 1969-06-30 1973-05-01 Koppers Co Inc Apparatus for bending continuous cast slabs
US3757848A (en) * 1970-12-19 1973-09-11 Schloemann Ag Method and apparatus to relieve the strain on roller apron segments during continuous casting
US3735804A (en) * 1971-02-25 1973-05-29 Steel Corp Adjustable conducting roll apparatus
US3796252A (en) * 1971-06-22 1974-03-12 Demag Ag Support arrangement for a continuous casting with drawing bolt and head
US4071074A (en) * 1974-06-11 1978-01-31 Schloemann-Siemag Aktiengesellschaft Roller apron for a continuous casting installation
US4018261A (en) * 1975-05-13 1977-04-19 Vereinigte Osterreichlsche Eisen- und Stahlwerke-Alpine Montan Aktiengesellschaft Continuous casting plant strand guiding means
US4034799A (en) * 1975-10-30 1977-07-12 United States Steel Corporation Mechanism for adjusting a guide roll-rack
US4058154A (en) * 1976-09-23 1977-11-15 Concast Incorporated New York Guiding and supporting means for continuously cast metal strand
EP0047844A1 (de) * 1980-09-12 1982-03-24 MDS Mannesmann Demag Sack GmbH Vorrichtung zur stufenweisen Abstands-Einstellung
US4567933A (en) * 1982-10-18 1986-02-04 Swiss Aluminium Ltd. Device for manufacturing metal strips
US4687046A (en) * 1986-03-03 1987-08-18 Kabushiki Kaisha Kobe Seiki Sho Top roller apron in a continuous casting assembly
US20100307710A1 (en) * 2008-02-14 2010-12-09 Axel Weyer Strand guide, in particular for a continuous steel slab casting installation
US20110056803A1 (en) * 2008-05-28 2011-03-10 Axel Stavenow Strand guide, in particular for a continuous casting installation for steel slabs
US8302664B2 (en) * 2008-05-28 2012-11-06 Sms Siemag Aktiengesellschaft Strand guide, in particular for a continuous casting installation for steel slabs

Also Published As

Publication number Publication date
NL156075B (nl) 1978-03-15
ES350096A1 (es) 1969-04-16
SE361272B (pt) 1973-10-29
GB1214052A (en) 1970-12-02
NL6800949A (pt) 1968-07-29
BE709684A (pt) 1968-05-30
DE1558303A1 (de) 1970-04-09
CH479350A (de) 1969-10-15
LU55360A1 (pt) 1968-04-09

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