US3567082A - Casting installation - Google Patents

Casting installation Download PDF

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Publication number
US3567082A
US3567082A US706976A US3567082DA US3567082A US 3567082 A US3567082 A US 3567082A US 706976 A US706976 A US 706976A US 3567082D A US3567082D A US 3567082DA US 3567082 A US3567082 A US 3567082A
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US
United States
Prior art keywords
slide
cover member
housing
casting installation
base plate
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
US706976A
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English (en)
Inventor
Bernhard Tinnes
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Metacon AG
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Metacon AG
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Filing date
Publication date
Application filed by Metacon AG filed Critical Metacon AG
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Publication of US3567082A publication Critical patent/US3567082A/en
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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
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate

Definitions

  • a casting installation comprising a container for a molten metal and provided with control slide means disposed at the region of the bottom opening of the container.
  • the control slide means incorporate a housing and a cover member, with a slide member movably mounted between such housing and cover member. Further, a slide plate is provided for said slide member, said slide plate having a throughflow opening. Means are provided for guiding said slide member in a substantially linear path, such linear guiding means being guide groove means or guide ledge means provided on the cover member.
  • Positioning element means provided at the cover member and the housing engage one another, in order to maintain the path of sliding movement for the slide member which is determined by said linear guiding means in a plane containing the axis of material throughflow.
  • the present invention relates to an improved casting or pouring installation, and in particular pertains to a sliding closure arrangement provided at the pouring or discharge opening of a container or receptacle for a liquid melt, for instance a casting or pouring ladle.
  • Another, more specific object of the present invention re lates to an improved casting installation incorporating a slide closure mechanism wherein theindividual elements thereof can be dismantled and again mounted so as to assume an exactly predetermined position.
  • Still a further significant object of the present invention relates to an improved casting installation incorporating a slide closure mechanism or control slide means which is of relatively simple construction, extremely reliable in operation, and wherein the components thereof can be mounted and dismantied in an extremely efficient, quick and reliable manner, while at the same time assuring that such components will be located in an exactly predetermined position.
  • the inventivecasting or pouring installation is of the type comprising a container or receptacle for a molten metal.
  • the container includes a bottom portion having an opening for the discharge of molten metal material therefrom.
  • a control or closure slide means or mechanism is provided at the opening of the floor portion of the container.
  • This control slide means incorporates a housing and cover member, and further includes a slide member :which is movably mounted between the aforementioned housing and cover member. Additionally, a slide plate is provided for the slide member, and such slide plate possesses a throughflow opening.
  • the invention further contemplates the provision of means for guiding the slide member in a substantially linear path.
  • such linear guiding means partake the form of guide grooves or ledges provided at the cover member. Additionally, the cover member and housing possess positioning elements which are in engagement with one another in order to maintain the pathof sliding movement determined by the linear guiding means in a plane containing the throughflow axis.
  • the linear guide or guiding means which for instance can be formed by a groove at the cover member and a guide ledge or rib provided at the movable slide member and engaging in such groove, are only arranged at one side of the aforementioned axis, then the termal expansions which are decisive for the guiding properties of the movable slide member are of such a small degree in relation to the dimensions of the linear guiding means that there can be readily prevented any clamping or binding between the lateral guidle surfaces. Owing to the construction of the linear guiding means in the form of groove means and ledge means it is possible to positively fix the position of the movable slide member transverse to its direction of movement in each position.
  • FIG. 1 there is depicted the bottom or floor portion 2 of a casting or pouring ladle for instance.
  • This bottom portion 2 is provided with a refractory lining 4.
  • This refractory lining 4 possesses a recess 6 at its central region in which there is inserted a substantially cylindrical bottom block or stone 8.
  • This bottom block or stone 8 is secured to the bottom portion 2 of the casting ladle by means of binding screws 10 or the like which engage, as shown, in appropriate recesses 12 located about the periphery of the aforementioned bottom block or stone 8.
  • a housing 14 of a control slide closure mechanism is secured in appropriate manner to the underside of the bottom 2 of the pouring ladle.
  • a base plate 18 is mounted in the housing 14 and possesses a central throughflow opening as well as a recessed portion 22 which is coaxial with respect to this throughflow opening 2% and is at the side facing the apertured bottom block or stone 8.
  • a bottom block sleeve member 28 is located in the central recess or bore of the apertured bottom block 8. This central recess or bore is formed of the portions 24 and 26, wherein the portion 24 is cylindrical and the portion 26 is conical, as best seen by referring to FIG. 1.
  • bottom block sleeve member 28 has a bore which is formed of a diverging portion 30, viewed in the flow direction, and a subsequent converging portion 32, likewise viewed in the flow direction of the molten metal material.
  • the bore of the bottom block or stone sleeve member 28 which is formed of the portions 30 and 32 is arranged substantially coaxial with respect to the throughfiow opening 243 provided at the base plate 18. Additionally, it will be seen that the converging bore portion 32 merges with the bore 26). Furthermore, it should be understood that a faultless sealing is obtained by virtue of the engagement of the bottom block sleeve member 28 in the recess 22 provided at the base plate 18. This sealing arrangement is always again completely obtained when exchanging the bottom block sleeve member 28 and the base plate 18.
  • a slide member 36 is secured in the housing 14 by means of a cover member 34 associated with the slide closure device or control slide means 16.
  • This slide member 36 is equipped with a conical discharge jacket 40 which extends through an opening 38 provided at the cover member 34.
  • a slide plate 42 is arranged at the slide member 36.
  • This slide plate 42 is pressed at its upper flat surface against the confronting face of the base plate 18, and specifically in a manner which will be explained in greater detail hereinafter.
  • Slide plate 42 is provided with a bore 44 the axis of which intersects at right angles with the -longitudinal axis of the slide plate 42 and which in the open position of the slide unit or slide plate 42 coincide with the axis of the throughfiow opening 20. Accordingly, the bore 44 of the slide plate 42, in the open position of such plate, is located exactly in the extension of the throughflow opening 20.
  • the slide plate 42 possesses a downwardly extending conical shoulder or projection 46 which is engaged by a sleeve portion 48 of a discharge or pouring member 50.
  • This discharge member 50 abuts against the'slide plate 42 in the direction of material flow, as shown, and further possesses a bore 52 which is located in the extension of the bore 44 of the slide plate 42.
  • the bores 44 and 52 narrow towards the bottom, that is in the direction of flow they conically taper and possess a common linear generatrix.
  • the discharge member 50 is surrounded by a suitable insulation ring member 54 which is supported by an internal flange on the lower end of the discharge jacket 4b of the slide member 36.
  • This insulation ring 54 is equipped with a heating coil 56 or the like at its inner portion neighboring the discharge member 50.
  • the heating coil or spiral 56 can be connected to the leads 58 and a nonillustrated suitable current source.
  • the cover member 34 is retained at the housing 14 by means of six screws 60, 62 or equivalent fastening expedients, as such will now be explained.
  • six screws 60 are associated with the four corners of the housing 14 and cover member 34, whereas two screws 62, which are stronger than the screws 60, are disposed in a plane which contains the axis of the throughflow opening 20
  • the screw members 62 serve to press the slide plate 42 against the base plate 18.
  • the transmission of the clamping forces at the slide member 36 takes place at the support surfaces 64 and 66 which are formed along both lengthwise sides at the cover member 34.
  • the flat lower faces of the longitudinal ribs 68 and 70 bear against the support surfaces 64 and 66, respectively.
  • the support surface 64 forms the base of a guide groove possessing a substantially rectangular-shaped profile, the side surfaces of which provide guide means for the similarly formed side surfaces of the longitudinal ribs 68.
  • the axis of this guide groove passes at right angles through the plane containing the screw members F2.
  • the position of the cover member 34 is fixed in relation to the housing 14 by means of twopositioning or centering pin members 72. The latter are mounted at the underface of the housing 14 and engage with the cover member 34, as shown in FIG.
  • positioning pins 72 cannot only be used for fixing the position of the cover member 3 4," rather can also be employed for determining the position of one or more nonillustrated auxiliary devices, by means of which it is possible to insert at the bottom portion 2 of the pouring ladle the pouring block or stone 8, the pouring block sleeve member 28 in the pouring block 8 and the base plate 18 into the housing 14 and to hold such elements in an exactly predetermined position until the mortar or plaster has hardened.
  • the appropriate outer surfaces of the apertured bottom block sleeve member 28 as well as the upper front face of the base plate 18 is equipped with a plurality of grooves or riffles arranged in a suitable pattern.
  • grooves or riffles 74 provide better adhesion for the motor or plaster when it is applied to the appropriate surfaces, and thus serve to prevent any flowing away of the mortar during transportation of these components to the ladle as well as during installation thereof.
  • this effect could also be achieved by other expedients, for instance small ribs which increase the surface roughness of the aforementioned components and therefore improve the adhesion of the mortar or plaster.
  • the same measures can be successfully employed at all other refractory components, for instance at the discharge or pouring member 50 and the slide plate 42. Still, it should be recognized that this measure is of particular significance when it is utilizedalways at those places where the plastered surfaces are disposed in vertical or extremely inclined positions.
  • the upper surface thereof is advantageously provided with upwardly directed cams or lugs 76.
  • cams or lugs 76 When the cover member 34 is dismantled these cams 76 function as feet in the event such cover member is placed in such a way that the side possessing the aforementioned surfaces is directed downwards.
  • the housing 14 possesses supportor reference surfaces 78 which are displaced out of the plane of the bottom of the housing in such a way that the mortar or plaster, which when inserting or pressing in the base plate escapes from the joint between the housing and the base plate, cannot reach these references surfaces.
  • the screw members 60 and 62 it is possible to use the screw members 60 and 62.
  • the diverging form of the bore 30 at the bottom block sleeve member 28 in the flow direction is of significance. Owing to such form, there is provided a narrower inlet cross section at the bottom block sleeve member and there only exists a slight tendency of the casting metal washing out the filling metal during pouring into the ladle.
  • the bottom block or stone 108 possesses a conically widening recess 110 which receives at its upper'region a conical bottom block sleeve member 112.
  • the adjoining lower portion of the conically widening recess or bore 110 receives an upwardly directed conical projection or shoulder 116 of a base plate 114.
  • the bottom block sleeve member 112 is provided with a bore 118 which diverges in the direction of material flow.
  • the shoulder or projection 116 is equipped with a converging bore portion 120 and a subsequently merging bore portion 122 which slightly diverges in the flow direction.
  • this slightly diverging bore portion 122 is situated at the base plate 114 which is formed of one piece with the shoulder or projection 116.
  • the slide plate 124 possesses an opening 126 which converges in the flow direction. Owing to the described form or configuration the edges, which limit the bore 122 and the opening 126 at the parting plane 128 between the base plate 114 and the slide plate 124, are particularly subjected to much less damage owing to the lower material stresses.
  • the base plate 130 possesses a tapered portion 145 at the peripheral surface 132, whereas the recess 134 which receives the base plate 130 is equipped with an appropriately undercut inner wall 138.
  • the base plate 130 is wedged in the housing and its appropriately configured recess 134.
  • actuation of the slide member 36 in the housing 14, thatis to say its movement between the open position and the closed position, can be undertaken by means of a suitable drive, schematically shown in FIG. 1 by reference numeral 150, and which may for instance encompass a hydraulically actuated piston which is displaceably mounted in a cylinder secured to the housing.
  • a casting installation comprising a container for a molten metal, said container including a bottom portion having an opening for the discharge of molten metal material therefrom, control slide means disposed at the region of said bottom opening of said container, said control slide means incorporating a housing and a cover member, a slide member movably mounted between said housing and said cover member, a slide plate supported by said slide member, said slide plate having a through-flow opening, means for guiding said slide member in a substantially linear path including means for guiding said slide member laterally with respect to the axis of material through-flow, said guiding means being provided only at said cover member, positioning element means provided at said cover member and said housing and engaging one another in order to maintain the path of sliding movement for said slide member which is determined by said linear guiding means in a plane containing the axis 'of material through-flow, a base plate having a through-flow opening and against which is pressed said slide plate, means for providing a clamping force for pressing said slide plate against said base plate, said means providing said
  • linear guiding means comprise guide ledge means provided at said cover member.
  • said positioning element means includes two positioning element members provided at said housing.
  • a casting installation as defined in claim I further including a bottom block sleeve member provided for said container, said bottom block sleeve member including an inlet portion and a bore portion merging directly with said inlet portion, said bore portion diverging in the flow direction of the molten metal material.
  • a casting installation as defined in claim 1 further including a bottom block sleeve member and a base plate, said bottom block sleeve member and said base plate engaging in one another.
  • a casting installation comprising a container for a molten metal, said container including a bottom portion having an opening for the discharge of molten metal material therefrom, control slide means disposed at the region of said bottom opening of said container, said control slide means incorporating a housing and a cover member, a slide member movably mounted between said housing and said cover member, a slide plate supported by said slide member, said slide plate having a through-flow opening, means for guiding said slide member in a substantially linear path including means for guiding said slide member laterally with respect to the axis of material through-flow, said guiding means being provided only at said cover member to both sides of said axis of through-flow, said guide means at one side of said through--flow axis providing a tight fit for linear guiding and at the other side of said throughflow axis a loose fit to accommodate thermal expansion effor providing a clamping force for pressing said slide plate against said base plate, said means providing said clamping force incorporating only two tension screw members, the axes of which screw members are disposed

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
US706976A 1967-02-24 1968-02-20 Casting installation Expired - Lifetime US3567082A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH273967A CH449861A (de) 1967-02-24 1967-02-24 Giesseinrichtung

Publications (1)

Publication Number Publication Date
US3567082A true US3567082A (en) 1971-03-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
US706976A Expired - Lifetime US3567082A (en) 1967-02-24 1968-02-20 Casting installation

Country Status (7)

Country Link
US (1) US3567082A (enrdf_load_stackoverflow)
CH (1) CH449861A (enrdf_load_stackoverflow)
DE (1) DE6607272U (enrdf_load_stackoverflow)
ES (1) ES350855A1 (enrdf_load_stackoverflow)
FR (1) FR1553542A (enrdf_load_stackoverflow)
GB (1) GB1198777A (enrdf_load_stackoverflow)
SE (2) SE330428B (enrdf_load_stackoverflow)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685707A (en) * 1970-05-01 1972-08-22 United States Steel Corp Sliding-gate closure for bottom-pour vessel
US3685705A (en) * 1971-03-24 1972-08-22 James W Cessna Sliding gate valve having spring biased slide
US3709411A (en) * 1970-10-14 1973-01-09 United States Steel Corp Sliding gate closure assembly for bottom-pour teeming vessels
US3712518A (en) * 1969-10-13 1973-01-23 Interstop Ag Sliding gate nozzle for vessels used for pouring metals
US3773226A (en) * 1970-04-23 1973-11-20 Didier Werke Ag Container with sliding shutter for a liquid melt
US3831825A (en) * 1969-07-25 1974-08-27 Didier Werke Ag Sliding valve for a container of liquid smelt provided with a lip
US3980271A (en) * 1974-01-16 1976-09-14 United States Steel Corporation Pouring of molten metals
US4037762A (en) * 1975-01-23 1977-07-26 Metacon Ag Protective nozzle for the outlet of a casting ladle
US4051589A (en) * 1974-05-24 1977-10-04 Metacon Ag Process and apparatus for the assembly of sliding gate valve units for casting ladles
US4076154A (en) * 1975-01-16 1978-02-28 Metacon Ag Sealing means for the joint of a casting ladle closure
US4076153A (en) * 1974-10-24 1978-02-28 Metacon Ag Plate structure for a liquid metal container closure
US4359625A (en) * 1978-11-07 1982-11-16 Nippon Crucible Co., Ltd. Method of preheating immersion nozzle for continuous casting
US4433715A (en) 1980-05-21 1984-02-28 Allied Corporation Modular apparatus for casting metal strip
US4566525A (en) * 1983-05-04 1986-01-28 Allied Corporation Nozzle assembly
US4971294A (en) * 1989-03-15 1990-11-20 Teledyne Industries, Inc. Induction heated sliding gate valve for vacuum melting furnace
US20230032307A1 (en) * 2018-03-06 2023-02-02 Krosakiharima Corporation Installation structure for nozzle/plug seating block

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2750455C3 (de) * 1977-11-11 1980-11-06 Mannesmann Demag Ag, 4100 Duisburg Ausgießverschluß für metallurgische Gefäße, insbesondere für Schmelz- oder Wannhalteöfen
DE2750674C2 (de) * 1977-11-12 1983-12-15 Mannesmann AG, 4000 Düsseldorf Schieberverschluß für metallurgische Gefäße, insbesondere für Schmelz- oder Warmhalteöfen
US4573616A (en) * 1982-05-24 1986-03-04 Flo-Con Systems, Inc. Valve, clamp, refractory and method
DE3328586C2 (de) * 1983-08-08 1985-09-05 Didier-Werke Ag, 6200 Wiesbaden Feuerfeste Kanalverbindung für Horizontal-Stranggießanlagen
DE3403522A1 (de) * 1984-02-02 1985-08-14 Metacon AG, Zürich Feuerfeste verschleissteile fuer schieberverschluesse
DE4001095A1 (de) * 1990-01-17 1991-07-18 Didier Werke Ag Verschlusseinrichtung fuer ein schmelzengefaess
BE1006006A3 (fr) * 1990-12-19 1994-04-19 Int Ind Eng Sa Piece refractaire pour trou de coulee d'un recipient siderurgique.
EP0578680B1 (de) * 1991-04-06 1995-12-20 Technometal Gesellschaft Für Metalltechnologie Mbh SCHIEBERVERSCHLUSS FüR SCHMELZEGEFÄSSE
US5983149A (en) * 1991-04-08 1999-11-09 Caterpillar Inc. Automatic vehicle speed retarding control through actuation of wheel brakes

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US311902A (en) * 1885-02-10 Stopper for ladles
US510062A (en) * 1893-12-05 Device for pouring metal
US1099769A (en) * 1913-12-17 1914-06-09 James E Sheaffer Pouring-nozzle for ladles.
US1169653A (en) * 1915-05-13 1916-01-25 Frank A King Multiple-pouring attachment for ladles and the like.
US1381500A (en) * 1919-09-15 1921-06-14 Russell F Reader Electric wax-heater
US2016579A (en) * 1930-11-17 1935-10-08 Frederick L Sage Metallurgical ladle
US2252635A (en) * 1940-03-05 1941-08-12 Karr Raymond Ladle pouring nozzle
US2434706A (en) * 1944-03-03 1948-01-20 Paul D Malyszko Reciprocating closure for collapsible tubes with parallel guide flanges
US2660769A (en) * 1950-12-18 1953-12-01 Dow Chemical Co Die casting
US2961722A (en) * 1958-10-29 1960-11-29 Skf Svenska Kullagerfab Ab Casting molten material in a vacuum
US3197824A (en) * 1962-07-23 1965-08-03 Dolenic George Nozzle block for ladles
BE672687A (enrdf_load_stackoverflow) * 1964-11-25 1966-03-16
US3352465A (en) * 1965-05-06 1967-11-14 United States Steel Corp Refractory closure member for bottom pour vessels
US3454201A (en) * 1964-09-22 1969-07-08 Ernesto Fichera Discharge mechanism for bottom pouring steel ladle

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US311902A (en) * 1885-02-10 Stopper for ladles
US510062A (en) * 1893-12-05 Device for pouring metal
US1099769A (en) * 1913-12-17 1914-06-09 James E Sheaffer Pouring-nozzle for ladles.
US1169653A (en) * 1915-05-13 1916-01-25 Frank A King Multiple-pouring attachment for ladles and the like.
US1381500A (en) * 1919-09-15 1921-06-14 Russell F Reader Electric wax-heater
US2016579A (en) * 1930-11-17 1935-10-08 Frederick L Sage Metallurgical ladle
US2252635A (en) * 1940-03-05 1941-08-12 Karr Raymond Ladle pouring nozzle
US2434706A (en) * 1944-03-03 1948-01-20 Paul D Malyszko Reciprocating closure for collapsible tubes with parallel guide flanges
US2660769A (en) * 1950-12-18 1953-12-01 Dow Chemical Co Die casting
US2961722A (en) * 1958-10-29 1960-11-29 Skf Svenska Kullagerfab Ab Casting molten material in a vacuum
US3197824A (en) * 1962-07-23 1965-08-03 Dolenic George Nozzle block for ladles
US3454201A (en) * 1964-09-22 1969-07-08 Ernesto Fichera Discharge mechanism for bottom pouring steel ladle
BE672687A (enrdf_load_stackoverflow) * 1964-11-25 1966-03-16
US3352465A (en) * 1965-05-06 1967-11-14 United States Steel Corp Refractory closure member for bottom pour vessels

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831825A (en) * 1969-07-25 1974-08-27 Didier Werke Ag Sliding valve for a container of liquid smelt provided with a lip
US3712518A (en) * 1969-10-13 1973-01-23 Interstop Ag Sliding gate nozzle for vessels used for pouring metals
US3773226A (en) * 1970-04-23 1973-11-20 Didier Werke Ag Container with sliding shutter for a liquid melt
US3685707A (en) * 1970-05-01 1972-08-22 United States Steel Corp Sliding-gate closure for bottom-pour vessel
US3709411A (en) * 1970-10-14 1973-01-09 United States Steel Corp Sliding gate closure assembly for bottom-pour teeming vessels
US3685705A (en) * 1971-03-24 1972-08-22 James W Cessna Sliding gate valve having spring biased slide
US3980271A (en) * 1974-01-16 1976-09-14 United States Steel Corporation Pouring of molten metals
US4051589A (en) * 1974-05-24 1977-10-04 Metacon Ag Process and apparatus for the assembly of sliding gate valve units for casting ladles
US4076153A (en) * 1974-10-24 1978-02-28 Metacon Ag Plate structure for a liquid metal container closure
US4076154A (en) * 1975-01-16 1978-02-28 Metacon Ag Sealing means for the joint of a casting ladle closure
US4037762A (en) * 1975-01-23 1977-07-26 Metacon Ag Protective nozzle for the outlet of a casting ladle
US4359625A (en) * 1978-11-07 1982-11-16 Nippon Crucible Co., Ltd. Method of preheating immersion nozzle for continuous casting
US4433715A (en) 1980-05-21 1984-02-28 Allied Corporation Modular apparatus for casting metal strip
US4566525A (en) * 1983-05-04 1986-01-28 Allied Corporation Nozzle assembly
US4971294A (en) * 1989-03-15 1990-11-20 Teledyne Industries, Inc. Induction heated sliding gate valve for vacuum melting furnace
US20230032307A1 (en) * 2018-03-06 2023-02-02 Krosakiharima Corporation Installation structure for nozzle/plug seating block

Also Published As

Publication number Publication date
SE356698B (enrdf_load_stackoverflow) 1973-06-04
ES350855A1 (es) 1969-05-16
CH449861A (de) 1968-01-15
DE6607272U (de) 1971-02-04
FR1553542A (enrdf_load_stackoverflow) 1969-01-10
GB1198777A (en) 1970-07-15
SE330428B (enrdf_load_stackoverflow) 1970-11-16

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