US3313006A - Continuous casting plant - Google Patents

Continuous casting plant Download PDF

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Publication number
US3313006A
US3313006A US381405A US38140564A US3313006A US 3313006 A US3313006 A US 3313006A US 381405 A US381405 A US 381405A US 38140564 A US38140564 A US 38140564A US 3313006 A US3313006 A US 3313006A
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United States
Prior art keywords
mould
lever
pipes
pipe
mounting table
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
US381405A
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English (en)
Inventor
Barbe Jacques
Turnovszky Alfred
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.)
AG DER VON MOOS'SCHEN EISENWERKE
MOOSSCHE EISENWERKE AG
Original Assignee
MOOSSCHE EISENWERKE AG
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Filing date
Publication date
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Publication of US3313006A publication Critical patent/US3313006A/en
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Expired - Lifetime legal-status Critical Current

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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
    • B22D11/04—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 continuous casting and more particularly relates to a continuous casting plant having an arcuately curved oscillable permanent mould attached to the end of a lever.
  • Mould oscillation along the issuing strand has the advantage of reducing the tendency of the strand to stick to the mould wall.
  • mould oscillation has been adopted for the purpose of improving the surface of the cast strand.
  • an object of this invention to provide an improved arrangement for a continuous casting plant for the casting of curved strands in which operating life is improved and in which component replacement time is reduced.
  • a continuous casting plant in which an arcuately curved oscillable mould is mounted on the end of a lever and cooled by a coolant and in which at least one supply pipe for operational fluids is positioned in or on the said lever.
  • the mould is conveniently attached to the end of the lever in such a way that the operation of -removing or replacing the mould at the end of the lever automatically disconnects and connects the pipe and the mould.
  • This method of coupling eliminates the need of unprotected flexible and sensitve pipe means in the immediate neighborhood of the mould and at t'he same time it avoids the loss of time otherwise involved in detaching and reconnecting such pipe means whenever a mould is replaced, because the operation of laflixing and bolting a fresh mould to the lever at the same time also establishes communication between the mould and the pipe means in or on the lever.
  • connections for conveying the fluid to 3,313,006 Patented Apr. 11, 1967 and from the lever may comprise lengths of flexible hose firmly -connected to the pivoted end of the lever. Because of the long radius of curvature the lever must be long and the distance from the mould to the pivoted end where the c-oupling is made is suiciently long so that flexible hose lare not ⁇ damaged by Itheat or sputtering metal. Moreover, owing to their proximity to the lever fulcrum the actual ⁇ deflections which the hose must sustain are relatively small so incident of fatigue fracture is in practice eliminated.
  • exible lengths of hose at this end of the lever may likewise be eliminated, for instance by conducting the entering and returning uid through the pivot pin of the lever.
  • the pipes for conveying the coolant to and from the mould may be constructed to have sufficient mechanical strength for the pipes themselves to form the lever.
  • the pumping means for t'he operating uids and possibly a reservoir for at least one fluid should be accommodated in the lever. .Particularly for the supply of a lubricant Iand of a protective gas this has the advantage that the pump means and/or reservoirs are situated close to the points where the uids are needed to reduce pipe length and, thus uid friction losses and to provide better distribution of the fluids at the point of introduction. Moreover, piping is saved and the components are more compactly combined in a single structural u-nit.
  • the pipes for conveying operational liuids may be arranged to end in a frame which is adjustable in relation to the lever, the mould being aiixed to said frame. This provides a convenient facility for adjusting the mould according to operational conditions.
  • FIG. 1 is a cross sectioned elevation view taken on the line I-I of FIG. 2, of a arcuately curved oscillable mould at the end of an oscillable lever, a mould mounting table, coolant pipes, lever bearings and oscillating mechanism,
  • FIG. 2 is a cross section of the mould taken on the line I-I-II of FIG. l,
  • FIG. 3 is a cross section, taken on the line III-III in FIG. 4, of lever pivot bearings lacking flexible pipe connecti-ons,
  • FIG. 4 is a plan view of the :arrangement according to FIG. 3,
  • FIG. 5 is a partly sectioned elevation View showing the disposition of reservoir and pump means according to the invention
  • FIG. 6 is a plan view of the arrangement according to FIG. 5 and,
  • FIG. 7 is a partially sectioned view of a mould mounting table carrying an adjustable frame.
  • FIG. 1 there is shown an arcuately curved permanent continuous casting mould for the production of curved continuous castings. rl'lhis mould is contained in yan outer casing 2. The latter is formed with a flange 3 for bolting the same to a mould mounting table 5.
  • the casing 2 surrounding the mould comprises two concentric shells defining two jackets so contrived that water entering the casing is forced from an outer jacket to circulate over the wall of the mould before returning into the outer jacket and leaving the casing, as indicated by arrows in FIG. 1.
  • the cooling water is taken to the inner jacket of the mould casing and withdrawn from the outer jacket of the mould casing through lever 4.
  • pipes 11 and 12 are built into the lever.
  • pipe 11 which carries cooling water to the oscillating mould during operation is fed from a xed supply pipe 16 through short lengths of flexible hose 17 in the immediate vicinity of hinge pin 7, that is to say at a point where the amplitude of -oscillatory motion is very small.
  • This small amplitude and the considerable distance of this point from the mould itself which may here be between 2.5 and 6 metres (approx. 8 to 2O feet), justies the provision of short lengths of hose which are here quite safe from damage due to overheating, fatigue and sputtering metal. Consequently, the water returning from the mould through pipes 12 is likewise carried away through lengths of hose 18.
  • FIGS. 3 and 4 eliminates the use of hose pipes for admitting and returning the water, by conducting the water through the hinge pin 7 of lever 4.
  • a blind hole 19 and 20 respectively is drilled axially into each end of the hinge pin 7.
  • These blind holes each cornl municate through a radial duct with an annular chamber Ythe bushing 23 of hinge member 6.
  • the ends of the admission and return pipes 11 and 12 forming the lever are inserted -into the wall of bushing 23 enclosing these chambers in such manner that all admission pipes communicate through annular chamber 21 with one of the blind holes 19 in hinge pin 7, whereas all the return pipes communicate through annular chamber 22 with the other blind hole 29 in pin 7.
  • the two annular chambers'Zl and 22 may be relatively sealed, so that cooling water supplied for instance from a supply pipe 24 can iiow through hole 19 and annular chamber 21 into admission pipe 11 of the lever without the use of a exible hose pipe and then enter the mould in the manner previously described, again without having to pass through a length of flexible hose. Similarly the water returning through pipes 12 of the lever from the mould will enter annular chamber 22 and thence flow through the radial ducts into hole 20 in'pin 7 whence it can be carried away through a pipe 25 connected to this hole.
  • the above mentioned sealing means may be omitted and the'water penetrating into the bearings used for lubricating the bearing.
  • FIGS. 5 and 6 illustrate an arrangement as proposed by the invention for the supply of lubricant and of a protective gas to the Imould.
  • the lubricant is introduced into the mould 1 by a distributor ring 40 and then flows down the mould Wall to the points where it is needed.
  • The'distributor ring 40 is connected to flange 3 by a pipe 41.
  • This pipe 41 communicates with a further pipe 42 which ends lin the mould mounting table 5. Therefore when the mould casing 2 is detached from the mould mounting table 5 the oil admission pipe is automatically broken.
  • Pipe 42 is supplied With lubricant by a pump 43 mounted in the lever itself. ⁇
  • This pump 43 which is driven by an electric motor 44 regulates the rate of feed of lubricant from a reservoir 45 likewise contained in the lever.
  • FIG. 7 illustrates another embodiment comprising adjusting means for the mould 1.
  • the mould mounting table is again attached to lever 4.
  • the mould mounting table 5 carries a frame 70 to which the pipes 71 and 72 for cooling Water are attached. The ends of these pipes are flexible.
  • the mould mounting table 5 has an opening for the passage therethrough of the ends of pipes 71 and 72.
  • On each side of the mould the frame is provided with slots 73.
  • Bolts 74 are passed through the slots for securing frame 70 to table 5.
  • the provision of the slots permits the frame 70 to be adjusted in a plane normal to the mould axis.
  • Precise adjustment of frame '70 in relation to lever 4 is effected by means of a screw 75 in each of the four sides of table 5.
  • adjusting screws 76 for levelling the mould 1 are also provided on each of the four sides of the table.
  • the mould 1 is secured to frame 70 by bolts 77.
  • Other fluids are supplied in additional pipes corresponding to pipes 71 and 72 though not specially shown.
  • a continuous casting plant comprising an arcuately curved open-ended mould, said mould being provided with a water jacket having passages for cooling water ow therethrough, said mould being provided with a mounting flange including apertures communicating with said passages in said water jacket, a lever, one end of said lever being pivotally mounted, a mould mounting table located at the other end of said lever, said mould mounting table being provided with apertures mating with the apertures in said mounting tlange of said mould to couple said apertures when said mould is mounted in said lever, at least one pipe positioned along said lever and connecting said apertures in said mould mounting table to a source of cooling water at said pivoted end of said lever, thereby to enable feeding of cooling water to said jacket from a source Separated from said casting mould and to enable replacement of said mould with-out disconnecting said scource.
  • said pivotal mounting of one end ⁇ of said lever comprises a bushing, a pin rotatably mounted in said bushing, means coupling said lever to said pin, a rst and secondannular chamber formed between said pin and said bushing, a first pipe coupled between said rst chamber and said mould mounting table, a second pipe coupled between said second chamber and said mould mounting table, an inlet coupling communicating with said rst chamber through said pin and an outlet coupling communicating with said second chamber through said pin so that cooling water may be admitted and extracted from said plant at a position remote from said mould.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
US381405A 1963-07-12 1964-07-09 Continuous casting plant Expired - Lifetime US3313006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH872563A CH417861A (de) 1963-07-12 1963-07-12 Stranggiessanlage

Publications (1)

Publication Number Publication Date
US3313006A true US3313006A (en) 1967-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
US381405A Expired - Lifetime US3313006A (en) 1963-07-12 1964-07-09 Continuous casting plant

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US (1) US3313006A (de)
BR (1) BR6460701D0 (de)
CH (1) CH417861A (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343592A (en) * 1965-09-22 1967-09-26 Concast Inc Reciprocating continuous casting curved mold mounting system
US3381743A (en) * 1964-10-15 1968-05-07 United States Steel Corp Quick-change mounting for water-cooled mold
US3414047A (en) * 1965-08-19 1968-12-03 United Steel Companies Ltd Apparatus for cooling reciprocating, curved continuous casting molds
US3527287A (en) * 1967-11-14 1970-09-08 Concast Inc Continuous-casting mold assembly
US3623533A (en) * 1970-01-08 1971-11-30 Viktor Nikolaevich Khorev Method of molten metal height control in curved mold continuous casting
US3667538A (en) * 1971-05-12 1972-06-06 Boehler & Co Ag Geb Cooling system for continuous casting installations
US3727673A (en) * 1968-02-27 1973-04-17 Steel Corp Roller cage for confining continuous casting as it emerges from mold
US3750743A (en) * 1971-04-05 1973-08-07 Koppers Co Inc Continuous casting mold
US4031949A (en) * 1975-04-28 1977-06-28 Piero Colombo Water cooled mold for the continuous casting of metals
US4155399A (en) * 1977-10-13 1979-05-22 Irving Rossi Method for the continuous casting of steel slabs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1300200B (de) * 1968-02-28 1969-07-31 Eisenwerk Annahuette Alfred Ze Schwenkbar gelagerter Kokillentraghebel fuer eine vertikale Stranggiesskokille

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586517A (en) * 1948-05-04 1952-02-19 Skinner Irrigation Company Water distributing device
US2947075A (en) * 1956-09-21 1960-08-02 Moossche Eisenwerke Ag Method for the continuous casting of metal strip, and strip casting plant for carrying out the method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586517A (en) * 1948-05-04 1952-02-19 Skinner Irrigation Company Water distributing device
US2947075A (en) * 1956-09-21 1960-08-02 Moossche Eisenwerke Ag Method for the continuous casting of metal strip, and strip casting plant for carrying out the method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3381743A (en) * 1964-10-15 1968-05-07 United States Steel Corp Quick-change mounting for water-cooled mold
US3414047A (en) * 1965-08-19 1968-12-03 United Steel Companies Ltd Apparatus for cooling reciprocating, curved continuous casting molds
US3343592A (en) * 1965-09-22 1967-09-26 Concast Inc Reciprocating continuous casting curved mold mounting system
US3527287A (en) * 1967-11-14 1970-09-08 Concast Inc Continuous-casting mold assembly
US3727673A (en) * 1968-02-27 1973-04-17 Steel Corp Roller cage for confining continuous casting as it emerges from mold
US3623533A (en) * 1970-01-08 1971-11-30 Viktor Nikolaevich Khorev Method of molten metal height control in curved mold continuous casting
US3750743A (en) * 1971-04-05 1973-08-07 Koppers Co Inc Continuous casting mold
US3667538A (en) * 1971-05-12 1972-06-06 Boehler & Co Ag Geb Cooling system for continuous casting installations
US4031949A (en) * 1975-04-28 1977-06-28 Piero Colombo Water cooled mold for the continuous casting of metals
US4155399A (en) * 1977-10-13 1979-05-22 Irving Rossi Method for the continuous casting of steel slabs

Also Published As

Publication number Publication date
CH417861A (de) 1966-07-31
BR6460701D0 (pt) 1973-02-15

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