US3707184A - Withdrawal and straightening apparatus for continuous casting - Google Patents

Withdrawal and straightening apparatus for continuous casting Download PDF

Info

Publication number
US3707184A
US3707184A US38977A US3707184DA US3707184A US 3707184 A US3707184 A US 3707184A US 38977 A US38977 A US 38977A US 3707184D A US3707184D A US 3707184DA US 3707184 A US3707184 A US 3707184A
Authority
US
United States
Prior art keywords
casting
rolls
withdrawal
tiltable
yoke
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
US38977A
Other languages
English (en)
Inventor
Max Burkhardt
Horst Huber
Christian Chateau
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 Concast AG
SMS Concast Inc
Original Assignee
Concast AG
Concast Inc
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 Concast AG, Concast Inc filed Critical Concast AG
Application granted granted Critical
Publication of US3707184A publication Critical patent/US3707184A/en
Assigned to SMS CONCAST INC. reassignment SMS CONCAST INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 08/08/1984 Assignors: CONCAST INCORPORATED
Assigned to SMS CONCAST INC. reassignment SMS CONCAST INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: CONCAST INCORPORATED
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B22D11/1282—Vertical casting and curving the cast stock to the horizontal

Definitions

  • rolls facing the concave side of the casting in one known withdrawal and straightening machine are mounted in a yoke.
  • the ends of the yoke are attached to hydraulic thrust generating devices for pressing the rolls against the casting. Since the rolls are mounted in a yoke that is guided on both sides and can only move in the vertical, some rolls may be overloaded and fracture. Moreover, when the straightening conditions change, it is not possible to adapt to the changed loading.
  • the object of the present invention is to provide a withdrawal and straighteningapparatus which avoids the above-described objections, particularly roll fractures, and permits the straightening system to adapt itself to existing loading conditions even though the rolls are spaced closely together.
  • Another object of the invention is to simplify existing withdrawal and straightening apparatus by utilizing standard elements and thereby reducing the cost.
  • the contemplated objects are achieved by mounting at least two rolls of at least one bank of rolls as a unit in a tiltable yoke.
  • the rolls By thus mounting the rolls in a tiltable yoke they ca adapt themselves to different loading conditions. If the dimensions of the casting are such that the tangent roll 7 tom outer bank of rolls in order to take further ad-- vantage of the compact design and favorable distribution of forces.
  • the pivot axis of one yoke is contained in a vertical plane which contains the tangent point andthe center of curvature. It is useful to mount two rolls in one yoke but if desired several rolls, for instance three, may be mounted in a yoke.
  • hydraulic means For lifting and lowering a yoke, as for the purpose of adjusting the withdrawal rolls to casting cross sections of different thickness, hydraulic means are provided.
  • FIG. 1 is aside elevation, schematically represented of curved-type plants provided with the proposed withdrawal and straightening apparatus.
  • FIG. 2 is a side elevation of a section of the withdrawal and straightening apparatus.
  • FIG. 3 is a section taken on the line'III III in FIG.
  • FIG. 4 is a side elevation of a different embodiment
  • FIG. 5 is a section taken on the line V V in FIG. 4.
  • a casting 1 travels first down a curved apron 2 comprising a plurality of sections curved about a center 0, and then enters a withdrawal and straightening apparatus 3.
  • This withdrawal and straightening apparatus has two banks of rolls 19 and 20 on opposite sides of the casting and comprises a plurality of sections 4, 5, 6, 7, 8.
  • a selectable number of said rolls are driven and effect the withdrawal of the casting l which, having passed through the withdrawal and straightening apparatus, continues as a straightened strand to travel along a roller bed to a point where it may be subdivided by cutting devices. At the tangent point 9, the curved path becomes. straight.
  • a hydraulic actuator comprising a cylinder 21 and a piston rod 22.
  • the cylinder is fitted into a supporting frame 23 and located therein.
  • the pivot pin 18 is connected by a member to the frame 23 and the pivot pin 17 is connected to a piston rod 22.
  • This hydraulic actuator permits the two rolls 11, 12 of the upper bank 19 to be moved perpendicularly to the casting to adjust the rolls to castings of different cross sections.
  • the yoke on the pivot pin 17 permits the rollers to adapt themselves to the curvature of the casting and the load to be evenly divided between the two rolls.
  • the yoke 16 containing the rolls 11, 12' in the outer bank 20 of rolls likewise provides a favorable distribution of the forces generated during straightening. It is desirable to dispose a section of the described kind inhas several different radii of curvature this plane preferably contains the radius of curvature of the apron section directly preceding the withdrawal and straightening apparatus. Stops 27, 28 are attached to the structure 23 to prevent excessive tilting movements of the yoke 16.
  • the center section shown in FIGS. 4 and S of a different embodiment of the withdrawal and straightening apparatus preceded and followed by two further sections designed as shown in FIG. 2, comprises four rolls 31, 32, 33, 34 in the upper bank and 31", 32', 33', 34 in the lower bank 20 of rolls, but two each of the rolls, 31, 32, 33, 34, 31, 32', 33', 34 are mounted in a separate yoke 35, 36, 37, 38.
  • the upper rockable yokes 35 and 36 are each connected on each'side of the casting to a hydraulic actuator consisting of a cylinder 41, 42 and the associated piston rod. By operation of the actuators the perpendicular spacing of the two banks 19, 20 of rolls can be varied. 4 I
  • the two bottom rockable yokes 37 and 38 are connected to the hydraulic cylinders 41, 42. Both cylinders are movable in the frame 23 and pivotably connected to the supporting'arms of a common yoke 43.
  • the yoke 43 which has a pivot axis 44 that preferably lies in a plane through the tangent point 9 and the center of curvature 0 normal to the casting axis thus carries the two yokes 37 and 38 on the interposed cylinders. This arrangement enables the loads arising at the tangent point to be distributed between four rolls permitting the diameter and spacing of the rolls to be further reduced.
  • the deflectability of the yokes is limited by stops 45, 46.
  • any number of sections can be associated on the unit construction principle so that, according to the casting rate and the resultant crater depth, the formation of bulges can be controlled.
  • Particular sections comprising for instance one yoke above and one below the casting, may be freely movable transversely of the casting axis and transversely of the pivot axes of the yokes, so that the rolls of both yokes can follow the motions of the casting without the distance between the upper and bottom bank of rolls being changed.
  • one or more tiltable yokes may be provided in only one bank of rolls, for instance the inner bank 19 of rolls.
  • the invention is also ap plicable to plants with a partly curved apron.
  • any desired rolls may be driven rolls.
  • the rolls 31, 32, 31', 32', 33', 34' may be driven by conventional means.
  • a withdrawal and straightening apparatus for continuous casting plants wherein the casting is conveyed from a curved into a rectilinear path between two facing banks of withdrawal and straightening rolls disposed above and below the casting and defining said path, characterized in that at least two casting withdrawal and straightening rolls adjacent each other in at least one of said two facing banks of rolls are mounted as a unit in a tiltable yoke, said yoke having means defining a pivot axis for mounting said yoke to be tiltable for adjustment of said at least two withdrawal and straightening rolls to the curvature of the casting and to safeguard against fracture of said withdrawal and straightening rolls due to possible roll overloading during the casting withdrawal and straightening operations.
  • a withdrawal and straightening apparatus characterized in that at least one tiltable yoke carries rolls in the bank of rolls disposed below the casting.
  • a withdrawal and straightening apparatus for continuous casting plants wherein the casting is conveyed from a curved into a rectilinear path between two facing banks of rolls disposed above and below the casting, the improvement comprising a tiltable yoke for mounting as a unit at least two rolls of at least one bank of rolls, said tiltable yoke carrying said at least two rolls of the bank of rolls disposed below the casting, said tiltable yoke having a pivot axis lying in a vertical plane through the tangent point and the center of curvature of the casting.
  • a withdrawal and straightening apparatus accord ing to claim 1, characterized in that two tiltable yokes which carry rolls disposed below the casting are mounted on a common tiltable yoke.
  • a withdrawal and straightening apparatus for continuous casting plants wherein the casting is conveyed from a curved into a rectilinear path between two facing banks of rolls disposed above and below the casting, the improvement comprising at least two tiltable yokes for carrying rolls disposed below the casting, each of said tiltable yokes having mounted thereat at least two rolls of said bank of rolls disposed below the casting, a common tiltable yoke for mounting said two tiltable yokes, said common tiltable yoke having a pivot axis lying in a vertical plane through the tangent point and the center of curvature of the casting.
  • a withdrawal and straightening apparatus characterized in that at least one tiltable yoke which carries rolls in the bank of rolls disposed above the casting is movable by hydraulic means in a direction normal to the casting axis.
  • a withdrawal and straightening apparatus characterized in-that a tiltable yoke is connected on each side to a hydraulic cylinder which is guided and held in the frame.
  • a withdrawal and straightening apparatus characterized in that the range of movement of the tiltable yoke is limited by stops.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
US38977A 1969-05-20 1970-05-20 Withdrawal and straightening apparatus for continuous casting Expired - Lifetime US3707184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH764569A CH495800A (de) 1969-05-20 1969-05-20 Auszieh- und Richtvorrichtung für Stranggiezzanlagen mit gekrümmter Strangführung

Publications (1)

Publication Number Publication Date
US3707184A true US3707184A (en) 1972-12-26

Family

ID=4328340

Family Applications (1)

Application Number Title Priority Date Filing Date
US38977A Expired - Lifetime US3707184A (en) 1969-05-20 1970-05-20 Withdrawal and straightening apparatus for continuous casting

Country Status (12)

Country Link
US (1) US3707184A (xx)
AT (1) AT301781B (xx)
BE (1) BE750559A (xx)
CH (1) CH495800A (xx)
DE (1) DE2023319A1 (xx)
DK (1) DK125531B (xx)
ES (1) ES380528A1 (xx)
FR (1) FR2043559B1 (xx)
GB (1) GB1277689A (xx)
LU (1) LU60933A1 (xx)
NL (1) NL7007298A (xx)
ZA (1) ZA703287B (xx)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867827A (en) * 1973-10-29 1975-02-25 Concast Inc Roller apron for a continuous casting installation
US3891025A (en) * 1972-06-29 1975-06-24 Schloemann Siemag Ag Apparatus for withdrawing a casting and feeding a dummy bar in a continuous casting machine for steel
US4197904A (en) * 1977-09-07 1980-04-15 Schloemann-Diemag AG Support guide arrangement for a continuous casting installation
EP0058869A1 (de) * 1981-02-21 1982-09-01 Sms Schloemann-Siemag Aktiengesellschaft Stützführungsgerüst im Treib- und/oder Richtbereich einer Stranggiessanlage
EP0074247A1 (en) * 1981-09-04 1983-03-16 Nippon Steel Corporation Multi-point straightening bow type continuous-casting machine having a low machine height
WO2001091942A1 (de) * 2000-06-02 2001-12-06 Voest-Alpine Industrieanlagenbau Gmbh & Co Strangführung für eine stranggiessanlage
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
CN114888252A (zh) * 2022-05-31 2022-08-12 马钢集团设计研究院有限责任公司 一种多规格铸坯自动对中设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT337386B (de) * 1975-09-03 1977-06-27 Voest Ag Rollengerust fur stranggiessanlagen
AT338984B (de) * 1975-11-12 1977-09-26 Voest Ag Stutz- und fuhrungsgerust, insbesondere stutz- und fuhrungsbogen fur brammengussstrange
AT355242B (de) * 1978-03-14 1980-02-25 Voest Alpine Ag Hubtischfuehrung einer stranggiessanlage
DE3117500C2 (de) * 1981-05-02 1986-04-10 Mannesmann AG, 4000 Düsseldorf Transport- und Richtmaschine einer Stranggießanlage

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL287567A (xx) * 1962-01-12
CH392785A (de) * 1961-02-08 1965-05-31 Lugert Josef Stranggiessanlage mit waagrechtem Abzug
US3257691A (en) * 1963-02-25 1966-06-28 United States Steel Corp Apparatus for deflecting and guiding a descending slab
US3270376A (en) * 1961-11-04 1966-09-06 Concast Ag Method and apparatus for continuous casting utilizing solidified skin thickness determinations

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH392785A (de) * 1961-02-08 1965-05-31 Lugert Josef Stranggiessanlage mit waagrechtem Abzug
US3270376A (en) * 1961-11-04 1966-09-06 Concast Ag Method and apparatus for continuous casting utilizing solidified skin thickness determinations
NL287567A (xx) * 1962-01-12
US3257691A (en) * 1963-02-25 1966-06-28 United States Steel Corp Apparatus for deflecting and guiding a descending slab

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891025A (en) * 1972-06-29 1975-06-24 Schloemann Siemag Ag Apparatus for withdrawing a casting and feeding a dummy bar in a continuous casting machine for steel
US3867827A (en) * 1973-10-29 1975-02-25 Concast Inc Roller apron for a continuous casting installation
US4197904A (en) * 1977-09-07 1980-04-15 Schloemann-Diemag AG Support guide arrangement for a continuous casting installation
EP0058869A1 (de) * 1981-02-21 1982-09-01 Sms Schloemann-Siemag Aktiengesellschaft Stützführungsgerüst im Treib- und/oder Richtbereich einer Stranggiessanlage
EP0074247A1 (en) * 1981-09-04 1983-03-16 Nippon Steel Corporation Multi-point straightening bow type continuous-casting machine having a low machine height
WO2001091942A1 (de) * 2000-06-02 2001-12-06 Voest-Alpine Industrieanlagenbau Gmbh & Co Strangführung für eine stranggiessanlage
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
CN114888252A (zh) * 2022-05-31 2022-08-12 马钢集团设计研究院有限责任公司 一种多规格铸坯自动对中设备
CN114888252B (zh) * 2022-05-31 2023-12-29 马钢集团设计研究院有限责任公司 一种多规格铸坯自动对中设备

Also Published As

Publication number Publication date
FR2043559A1 (xx) 1971-02-19
BE750559A (fr) 1970-11-03
ES380528A1 (es) 1972-10-01
GB1277689A (en) 1972-06-14
DE2023319A1 (de) 1970-11-26
LU60933A1 (xx) 1970-07-20
FR2043559B1 (xx) 1974-06-14
AT301781B (de) 1972-09-25
CH495800A (de) 1970-09-15
ZA703287B (en) 1971-01-27
NL7007298A (xx) 1970-11-24
DK125531B (da) 1973-03-05

Similar Documents

Publication Publication Date Title
US3707184A (en) Withdrawal and straightening apparatus for continuous casting
US3812900A (en) Method of operating a multi-roll casting machine during and after freezing of the liquid core of the strand
US3891025A (en) Apparatus for withdrawing a casting and feeding a dummy bar in a continuous casting machine for steel
US6276436B1 (en) Method and apparatus for high-speed continuous casting plants with a strand thickness reduction during solidification
CN1184034C (zh) 连铸坯导向单元和具有整体连铸坯导向单元的连铸坯导向扇形段
US3496990A (en) Apparatus for continuous casting of metal
US3752219A (en) Strand guide apparatus for continuous casting
US3550675A (en) Continuous casting plant having adjustable strand guide means
KR100253541B1 (ko) 스트랭 유도 장치
US3314115A (en) Continuous casting machine
US4058154A (en) Guiding and supporting means for continuously cast metal strand
US7069974B2 (en) Method and device for producing thin slabs
US3375864A (en) Device for secondary cooling of the ingot of the continuous casting machine
US4131154A (en) Roller apron for a continuous casting installation for steel
US4456052A (en) Apparatus for oscillating a continuous casting mold
US20040216300A1 (en) Method for casting and immediate rolling, and device for the support, guidance and deformation of a metal strand, especially in steel strand
US3608620A (en) Apparatus for guiding a straightened strand in a continuous casting machine
CA1050721A (en) Roller apron for continuous casting plant
US3867827A (en) Roller apron for a continuous casting installation
US4488591A (en) Continuous billet guide stand
US3886995A (en) Continuous casting installation equipped with mold support pivotable out of a casting position
CA2262677A1 (en) Guide segment support system for continuous casting
US4280552A (en) Driving roll stand for a continuous casting plant
GB1318703A (en) Continuous casting plant for slabs
US6913065B2 (en) Device for continuously casting metals, especially steel

Legal Events

Date Code Title Description
AS Assignment

Owner name: SMS CONCAST INC.

Free format text: CHANGE OF NAME;ASSIGNOR:CONCAST INCORPORATED;REEL/FRAME:004397/0366

Effective date: 19850312

AS Assignment

Owner name: SMS CONCAST INC.

Free format text: CHANGE OF NAME;ASSIGNOR:CONCAST INCORPORATED;REEL/FRAME:004387/0592

Effective date: 19840808