EP0912274A1 - Dispositif de positionnement d'un bloc-filiere d'une table de coulee d'une machine de coulee continue verticale ascendante - Google Patents
Dispositif de positionnement d'un bloc-filiere d'une table de coulee d'une machine de coulee continue verticale ascendanteInfo
- Publication number
- EP0912274A1 EP0912274A1 EP97933731A EP97933731A EP0912274A1 EP 0912274 A1 EP0912274 A1 EP 0912274A1 EP 97933731 A EP97933731 A EP 97933731A EP 97933731 A EP97933731 A EP 97933731A EP 0912274 A1 EP0912274 A1 EP 0912274A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chassis
- die block
- support
- relative
- axis
- 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.)
- Granted
Links
- 238000009749 continuous casting Methods 0.000 title claims abstract description 10
- 238000005266 casting Methods 0.000 claims abstract description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 238000000605 extraction Methods 0.000 claims description 24
- 229910001018 Cast iron Inorganic materials 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 230000001174 ascending effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 229910001338 liquidmetal Inorganic materials 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
-
- 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
- B22D11/14—Plants for continuous casting
- B22D11/145—Plants for continuous casting for upward casting
Definitions
- the present invention relates to the casting of molten metals, and more particularly to the upward vertical continuous casting of metal parts, in particular tubes, of cast iron. Although it applies to the casting of different types of metal parts, it is particularly advantageous for the casting of thin cast iron tubes.
- the expression "thin tubes” applies to a tube whose thickness / diameter ratio is low, less than 10 percent, rather than the thickness considered in isolation per se.
- the invention relates more precisely to a positioning device, by rapDort has a vertical axis of extraction, a die-OIOC a macnme ascending vertical continuous casting of cast-iron pipes.
- Such a casting machine comprises a die block and a device for supplying liquid iron which feeds the die block through the lower end of the latter.
- This liquid iron supply device comprises a U-shaped siphon block, made of molded refractory concrete and on the outlet of which the die block rests.
- such a trap block is gradually used and / or consumed by the molten iron which is in contact with it during the continuous casting process.
- the solidification of the cast iron causes the siphon block to burst.
- this siphon block must be replaced in its entirety as soon as a certain number of tubes have been bent, ie at each stop.
- the siphon block is a relatively massive part, and given its location on the casting table of a casting machine in a tube production installation, the on-site replacement of the siphon block is very uneasy, if not impossible. It is why, it is necessary to remove the entire casting table from the tube production installation in order to be able to dismantle it and to be able to easily replace the siphon
- the alignment of the die with the vertical axis of extraction of the tubes poses a problem Indeed, the die block must be aligned precisely along the vertical axis of extraction for the tube manufacturing installation to function properly Or, the casting table having been completely dismantled, this alignment with respect to the extraction axis of the die block is difficult and takes a long time, in particular because of the uncertain geometry of the refractory material parts used
- the present invention aims to solve this problem of positioning the die block with respect to the vertical extraction axis by proposing a device for positioning a die block which enables rapid and precise alignment between the die block and the vertical extraction axis in order to reduce the duration of tube manufacturing interruptions
- the subject of the invention is a device for positioning, with respect to a vertical extraction axis, a die block of a casting table of an ascending vertical continuous casting machine for parts, in particular of tubes, made of cast iron, machine, the die block of which is fed, by its lower end, by means of a device for supplying liquid cast iron, and is supported thereon, positioning device characterized in that it includes a retractable support in which the die block is fixed, a movable frame on which the cast iron supply device is placed liquid, means for relative positioning of the support with respect to the chassis, blocking members intended to block the relative position between the support and the chassis so that the support and the chassis form a one-piece assembly, a base arranged in a predetermined manner relative to the vertical extraction axis and intended to carry the monobloc assembly, and means for aligning the axis of the die block and the vertical extraction axis
- the device according to the invention comprises a or more of the following characteristics *
- the positioning means comprise at least two elongated elements, integral with the support and corresponding guide elements connected to the frame and intended to each receive an elongated element, or vice versa, said elements forming in particular baluster-bushing ball assemblies,
- At least one blocking member is a jack, in particular a fluid cylinder, connected to both the support and the chassis,
- each jack is connected, to the support and / or to the chassis, by means of a yoke and a removable journal for fixing the end of the jack in the yoke,
- the alignment means comprise means for positioning the chassis relative to the base and means for adjusting the horizontality of the monobloc assembly
- the means for relative positioning of the chassis relative to the base comprise at least one centering member, integral with the base and projecting therefrom in the direction of the chassis, and a corresponding receiving member secured to the chassis, or vice versa,
- the centering or receiving member secured to the chassis is in alignment with the axis of the die block and the associated member secured to the base is in alignment with the vertical extraction axis
- the means for adjusting the horizontality comprise several support jacks distributed on the underside of the monobloc assembly
- At least one support jack is a screw jack.
- the invention also relates to a casting table of a vertical continuous upward casting machine for parts, in particular tubes, made of cast iron, casting table whose die block is supplied, by its lower end, by means of 'A device for supplying liquid iron, and is supported thereon, characterized in that it comprises a positioning device as defined above.
- Figure 1 is a side view of a casting table according to the invention, with a first cutaway at the inlet of the liquid iron supply device and a second at the outlet of this device;
- Figure 2 is a top view of the casting table, along arrow II of Figure 1;
- Figure 3 is a cross-sectional view along the line III-III of Figure 2;
- Figure 4 is a bottom plan view along arrow IV of Figure 1;
- FIG. 5 is an enlarged view of detail V of Figure 1.
- This table includes a device 3 for supplying liquid iron and a die block 5 fed, by its lower end, by this supply device 3
- the tube T is extracted from the die block 5 by extraction means not shown, upwards, along the vertical axis XX of extraction
- the direction of the extraction force is represented by an arrow F
- the device 3 for supplying liquid iron is placed on a chassis 6 and secured against lateral and vertical displacement thereon by vertical tie rods 7 and horizontal crosspieces 8 II comprises a U-shaped siphon 9 produced in one molded refractory concrete piece
- This siphon 9 comprises a channel 10 for supplying cast iron, formed by a vertical downward part 10A for entering the molten iron, a horizontal part (not visible in the figures) and a vertical part 10B for leaving the liquid iron, directed upwards.
- a heating base 1 1 is interposed between the die block 5 and the outlet of the siphon 9
- the sealing of molten metal is ensured by two annular seals 12A and 12B , a first 12A disposed between the outlet of the siphon 9 and the heating base 11, and a second 12B disposed between the heating base 1 1 and the die block 5
- the siphon 9 and the heating base 11 are surrounded by a carcass 13 in the thickness of which are inductor windings 14 These inductor windings 14 are supplied with electric current by an external current generator not shown to maintain the molten cast iron by induction heating
- the die block 5 is fixedly mounted in a retractable support 15 in the form of a tray.
- This die block 5 comprises a cooling block 17 connected to a circuit of a cooling fluid by pipes 17A of inlet and 17B of outlet.
- the block 17 has on its upper face an extension of reduced diameter II is received in a conjugate housing 15A of the support 15 with a vertical axis YY and is fixed there by means of a crown of axial screws 15B (Figure 2)
- the relative position of the support 15 relative to the chassis 6 is determined by two columns 18 directed downwards, fixed to the support 15 in diametrically opposite relation to the die block 5, as shown in Figure 2.
- Figure 3 shows that each baluster 18 is guided in an associated ball bushing 19 which is fixed to the chassis 6.
- the relative position of the support 15 relative to the chassis 6 and therefore the relative position of the die block 5 relative to the chassis 6, are precisely defined in a plane perpendicular to the vertical extraction axis XX, while the support-chassis distance can be adjusted parallel to the axis XX.
- each cylinder 21 has a rod 22 whose free end 23 is fixed by a pin 24 in a yoke 25 secured to the frame 6.
- Each pin 24 is stopped in the yoke 25 by pins (not shown) so that the support 15 can easily be removed from the chassis 6.
- the body 21 A of the jacks 21 is fixed by a flange
- each fluid cylinder 21 is connected by a pipeline 26, 27 to a common pipeline 29.
- This common pipeline 29 is connected to a hydraulic unit 31 for regulating the clamping force of each cylinder, shown schematically.
- this hydraulic unit is also mounted on the chassis 6.
- the frame 6 rests on a fixed base 40 by four support points
- the frame 6 has on its underside two horizontal support cross members 42 of square section As seen in FIG. 2, these cross members 42 are more long as the width of the chassis 6 and extend laterally from this chassis
- the sleepers 42 have, at each of their end zones, in a wall 44 which faces the base 40, a bore 45 tapped
- a support screw 46 is screwed into the bore 45 and constitutes therewith a jack 47 for adjusting the horizontality of the chassis.
- the screw 46 is secured against untimely rotation by a lock nut 48. It will then be understood that the chassis rests by the lower ends of the four screws 46 on the base 40
- the frame 6 also comprises, on its underside, a horizontal cross member 56 for centering of square section.
- this centering cross-member 56 has a wall 58 facing the base 40, in which a centering hole 60 is made.
- This centering hole 60 is centered with respect to the axis YY of the block- die 5
- a protective cover 62 is disposed above the centering hole 60.
- This centering hole 60 cooperates without significant play with a centering pin 64 integral with the base 40.
- the base 40 is arranged so that the vertical axis of the centering pin 64 is aligned with the extraction axis XX of the means extraction
- this centering pin 64 has at its end situated to the right with reference to FIG. 1, a horizontal cross-member 70 for additional centering of square section.
- This cross member 70 has in its wall 72 opposite the base 40, in its center, a centering groove 74 which cooperates with an additional centering pin 76 integral with the base 40. This groove 74 is also protected by a protective cover against involuntary filling.
- the chassis 6 further comprises on its underside horizontal cross members 80, 82 and 84 of square section intended to secure the chassis 6 to the base 40.
- the cross members 80, 82 and 70 have at each of their lateral ends holes intended for receive screws which are fixed in the base 40 to stiffen the chassis / base assembly after the positioning of the chassis 6 relative to the base 40 is achieved.
- the space between the crosspieces 56 and 82 as well as that between the crosspieces 82 and 84 are provided for forks of a pallet truck in order to be able to easily move the chassis 6 with the casting table 1 to replace the siphon 9 of the device 3 for supplying liquid iron. As described above, the siphon 9 of the device 3 for supplying liquid iron must be changed regularly.
- the lateral fixing screws are unscrewed in the crosspieces 80, 82 and 70, and the chassis 6 is straddled by a pallet truck to move the assembly to another place in order to dismantle the assembly of the casting table 1
- the fixing pins 24 are released from the yokes 25, which makes it possible to lift the assembly consisting of the support 15 with the die block, the balusters 18 and the jacks 21. It then suffices to dismantle the tie rods 7 with the crosspieces 8 in order to be able to replace the used siphon 9.
- the chassis 6 which carries the flanged support 15 is placed on the base 40, so that the centering pin 64 engages in the centering hole 60, the angular position of the chassis 6 relative to the base being fixed by the additional centering pin 76 which engages in the centering groove 74
- the vertical extraction axis XX and the axis of revolution YY of the die block 5 intersect at the level of the centering pin 60
- the position of the screws 46 is blocked by means of the locknuts 48.
- screws are screwed through the lateral holes provided in the crosspieces 80, 82 and 70 in the base 40
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9608959A FR2751249B1 (fr) | 1996-07-17 | 1996-07-17 | Dispositif de positionnement d'un bloc-filiere d'une table de coulee d'une machine de coulee continue verticale ascendante |
FR9608959 | 1996-07-17 | ||
PCT/FR1997/001299 WO1998003288A1 (fr) | 1996-07-17 | 1997-07-11 | Dispositif de positionnement d'un bloc-filiere d'une table de coulee d'une machine de coulee continue verticale ascendante |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912274A1 true EP0912274A1 (fr) | 1999-05-06 |
EP0912274B1 EP0912274B1 (fr) | 2000-10-11 |
Family
ID=9494155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97933731A Expired - Lifetime EP0912274B1 (fr) | 1996-07-17 | 1997-07-11 | Dispositif de positionnement d'un bloc-filiere d'une table de coulee d'une machine de coulee continue verticale ascendante |
Country Status (15)
Country | Link |
---|---|
US (1) | US6247520B1 (fr) |
EP (1) | EP0912274B1 (fr) |
JP (1) | JP3382954B2 (fr) |
CN (1) | CN1072063C (fr) |
AU (1) | AU3698097A (fr) |
BR (1) | BR9710484A (fr) |
CA (1) | CA2259510C (fr) |
CO (1) | CO4700497A1 (fr) |
DE (1) | DE69703293T2 (fr) |
EG (1) | EG21494A (fr) |
ES (1) | ES2151288T3 (fr) |
FR (1) | FR2751249B1 (fr) |
RU (1) | RU2153953C1 (fr) |
SA (1) | SA97180457B1 (fr) |
WO (1) | WO1998003288A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013086881A1 (fr) * | 2011-12-12 | 2013-06-20 | Xie Zhaozong | Équipement et procédé de transformation pour coulée continue de métal |
CN104550887B (zh) * | 2015-01-04 | 2017-03-22 | 芜湖聚达汽车零部件有限公司 | 一种铝毛坯浇注机 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3075264A (en) * | 1959-02-19 | 1963-01-29 | James N Wognum | Continuous casting |
FR1357949A (fr) * | 1963-05-16 | 1964-04-10 | Amco Industrieofenbau G M B H | Dispositif permettant de mouler des profilés métalliques |
US3550672A (en) * | 1967-12-12 | 1970-12-29 | Concast Inc | Mold aligning apparatus |
US3559720A (en) * | 1968-05-10 | 1971-02-02 | Concast Inc | Continuous casting apparatus having a two part separable mold |
DE2362702C3 (de) * | 1974-01-07 | 1978-03-09 | Uralskij Ordena Trudovogo Krasnogo Znameni Politechnitscheskij Institut Imeni S.M. Kirova, Swerdlowsk (Sowjetunion) | Vorrichtung zum Zuführen, Fördern und Dosieren einer Metallschmelze zu einer Stranggießkokille |
US4148351A (en) * | 1975-02-10 | 1979-04-10 | Dominion Bridge Company, Limited | Mold tube alignment device |
US3967362A (en) * | 1975-07-14 | 1976-07-06 | United States Steel Corporation | Continuous caster alignment method |
AT340623B (de) * | 1976-01-16 | 1977-12-27 | Voest Alpine Montan Ag | Stranggiessanlage mit einer durchlaufkokille |
AT361649B (de) * | 1979-06-28 | 1981-03-25 | Voest Alpine Ag | Stuetz- und fuehrungsgeruest fuer stranggiess- anlagen |
FR2508828A1 (fr) * | 1981-07-06 | 1983-01-07 | Pont A Mousson | Dispositif de support et de centrage d'un noyau dans une filiere de coulee continue d'un tube |
FR2573683B1 (fr) * | 1984-11-26 | 1987-01-02 | Pont A Mousson | Installation d'alimentation en metal liquide avec controle de temperature du metal liquide pour la coulee continue d'un tuyau en fonte |
FI76267C (fi) * | 1986-08-29 | 1988-10-10 | Outokumpu Oy | Saett och anordning foer att byta ut kokill i en gjutningsmaskin. |
FR2705279B1 (fr) * | 1993-05-14 | 1995-08-11 | Toxot Science & Appl | Générateur de tensions de charges électriques des gouttes émises dans une imprimante à jet d'encre multibuse. |
FR2705259B1 (fr) * | 1993-05-19 | 1995-07-07 | Pont A Mousson | Dispositif d'alimentation en métal en fusion, notamment en fonte, d'une machine de coulée, et installation de coulée intégrant ce dispositif d'alimentation. |
-
1996
- 1996-07-17 FR FR9608959A patent/FR2751249B1/fr not_active Expired - Fee Related
-
1997
- 1997-07-11 JP JP50662698A patent/JP3382954B2/ja not_active Expired - Fee Related
- 1997-07-11 BR BR9710484A patent/BR9710484A/pt not_active IP Right Cessation
- 1997-07-11 AU AU36980/97A patent/AU3698097A/en not_active Abandoned
- 1997-07-11 ES ES97933731T patent/ES2151288T3/es not_active Expired - Lifetime
- 1997-07-11 US US09/214,293 patent/US6247520B1/en not_active Expired - Fee Related
- 1997-07-11 CA CA002259510A patent/CA2259510C/fr not_active Expired - Fee Related
- 1997-07-11 DE DE69703293T patent/DE69703293T2/de not_active Expired - Lifetime
- 1997-07-11 CN CN97196472A patent/CN1072063C/zh not_active Expired - Fee Related
- 1997-07-11 RU RU99103294/02A patent/RU2153953C1/ru not_active IP Right Cessation
- 1997-07-11 EP EP97933731A patent/EP0912274B1/fr not_active Expired - Lifetime
- 1997-07-11 WO PCT/FR1997/001299 patent/WO1998003288A1/fr active IP Right Grant
- 1997-07-14 EG EG64497A patent/EG21494A/fr active
- 1997-07-16 CO CO97040130A patent/CO4700497A1/es unknown
- 1997-09-29 SA SA97180457A patent/SA97180457B1/ar unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9803288A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1998003288A1 (fr) | 1998-01-29 |
RU2153953C1 (ru) | 2000-08-10 |
SA97180457B1 (ar) | 2006-07-03 |
CN1072063C (zh) | 2001-10-03 |
FR2751249A1 (fr) | 1998-01-23 |
JP3382954B2 (ja) | 2003-03-04 |
DE69703293D1 (de) | 2000-11-16 |
EP0912274B1 (fr) | 2000-10-11 |
US6247520B1 (en) | 2001-06-19 |
EG21494A (fr) | 2001-11-28 |
CO4700497A1 (es) | 1998-12-29 |
CA2259510A1 (fr) | 1998-01-29 |
DE69703293T2 (de) | 2001-02-22 |
FR2751249B1 (fr) | 1998-09-04 |
CN1225598A (zh) | 1999-08-11 |
JP2000515813A (ja) | 2000-11-28 |
AU3698097A (en) | 1998-02-10 |
ES2151288T3 (es) | 2000-12-16 |
CA2259510C (fr) | 2001-09-11 |
BR9710484A (pt) | 1999-08-17 |
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