CN2356783Y - Device for molten metal electroslag continuous casting ingot and pile-up welding - Google Patents
Device for molten metal electroslag continuous casting ingot and pile-up welding Download PDFInfo
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- CN2356783Y CN2356783Y CN 98249024 CN98249024U CN2356783Y CN 2356783 Y CN2356783 Y CN 2356783Y CN 98249024 CN98249024 CN 98249024 CN 98249024 U CN98249024 U CN 98249024U CN 2356783 Y CN2356783 Y CN 2356783Y
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Abstract
The utility model relates to a device for molten metal electroslag continuous casting ingot and pile-up welding, which comprises a medium frequency induction furnace (23), a heat insulation casting ladle bogie (13), a slag melting crucible bogie (10), a follow clamping device, pump-and-pull devices (3) and (19), a crystallizer (2), an induction heating ring (28), wherein, the follow clamping device and the pump-and-pull devices are positioned at the upper end of a core shaft; the induction heating ring (28) is positioned in a sandwich layer which is positioned outside a heat insulation casting ladle (11). The utility model is used for shaft components of liquid metal slag pile-up welding or the repair for wear resistant rolls, and the utility model can be used for continuously and semicontinuously producing high alloy casting ingot. The utility model has the advantages that the efficiency can be enhanced by 5 to 10 times than conventional method of pile-up welding, the service life of pile-up welding rolls can be improved by 5 times, power can be saved by 40 percents than conventional electroslag remelting, the utility model is simple, and the manufacture is easy.
Description
The utility model relates to the device of continuous casting of a kind of molten metal electroslag and built-up welding, this device use electroslag technology directly the intermediate frequency furnace inner metal liquid is injected the conduction crystallization form continuously ingot and continuously with the molten metal built-up welding on the axle of crystallizer with formation antiwear heat resisting layer.
Laid-open U.S. Patents US4185682 and US4305451 have introduced current-conductive mold ESW and electroslag casting technology at present, this technology is through with the simple epoch that metal consumable electrode carries out electroslag smelting casting that rely on, make the easier control of electroslag process, the product quality of being produced is higher.Add crystallizer from beginning with particle balk cargo form, develop into and add crystallizer with liquid metals the nineties, make this technology obtain unprecedented use value, the technology that is called as ESR LM (liquid metals electroslag smelting casting) can also be used for titanium alloy production except continuous built-up welding and continuous casting.Use ESR LM technology to produce the roll maximum gauge and can reach 1000 millimeters or bigger, overlay cladding reaches 20～100 millimeters or thicker, and its efficient of more conventional overlaying method is wanted high ten times, and productivity ratio is 200～800 kilograms/hour, power consumption 1000 degree/tons.Produce compound high speed steel roll with conventional centrifugal casting and compare, the compound high speed steel roll crystal grain that ESR LM technology is produced is tiny, and carbide is and disperses to distribute, and the thick net distribution that is of centrifugal casting quick-cutting steel composite roller carbide grain; Centre spinning method can not be repaired the roll that has worn and torn, and the ESRLM method can be repaired the roll that has worn and torn.This method can economize on electricity 40% except process is easy to control, productivity ratio improves greatly.But, realize that the formed concrete equipment of ESR LM method is not open, outline of process and D2 steel, high-carbon high-high-vanadium high-speed steel roll result of the test are only disclosed.These tests are all carried out on existing conventional electroslag molten casting device, the roller diameter of being produced less (600 millimeters of φ), length less (1200 millimeters), therefore, as long as be fixed on just can steady production on the stripping platform in the lower end.Yet when producing elongated mandrel composite shaft series products, just the problem that all will fix of two ends is up and down arranged.In actual production, especially when the compound different-diameter of needs, different length axis products, the molten metal that the intermediate frequency furnace of preparation molten metal is produced is not to pour in crystallizer at short notice immediately, require different poring rates, so molten metal may solidify in casting ladle, influence is produced.
The purpose of this utility model is at the deficiencies in the prior art and defective, the device of continuous casting of a kind of molten metal electroslag and built-up welding is proposed, to solve the stable problem of producing in the elongated mandrel composite shaft series products, solving molten metal may coagulation problem in casting ladle.
The purpose of this utility model is achieved through the following technical solutions.
Continuous casting of a kind of molten metal electroslag and build-up welding apparatus, it comprises intermediate frequency furnace, insulated pouring bag chassis, change slag crucible chassis, mandrel upper end servo-actuated clamping device and drawing device, insulated pouring bag chassis comprises the insulated pouring bag, insulated pouring bag tumble system and underneath type insulated pouring bag chassis drive unit are changed comprising of slag crucible chassis slag crucible, graphite electrode, electrode lifting device, change slag crucible tipple and underneath type slag crucible chassis drive unit, mandrel upper end servo-actuated clamping device comprises clamping platform, column, pulley, steel wire rope and clamper.
In the interlayer outside the insulated pouring bag induction heating circle is arranged.
Advantage of the present utility model is that it can stablize and successfully produce the ingot of different-diameter and the axial workpiece of compound various different requirements in actual production, solved the stable problem of producing in the elongated mandrel composite shaft series products, having solved molten metal may coagulation problem in casting ladle.
Accompanying drawing 2 is schematic top plan view of the continuous build-up welding apparatus of molten metal electroslag;
Accompanying drawing 3 is front elevational schematic of mandrel upper end servo-actuated clamping device;
Accompanying drawing 4 is front elevational schematic of molten metal electroslag D.C.casting device;
Accompanying drawing 5 is schematic top plan view of molten metal electroslag D.C.casting device;
Introduce embodiment of the present utility model below in conjunction with accompanying drawing.
Embodiment 1:
In the accompanying drawing 1～3 1 is by the mandrel of repair welding, 2 is crystallizer, 3 are the clamping platform, 4 is column, 5 is pulley, 6 for changing the slag crucible, 7 is graphite electrode, 8 is electrode lifting device, 9 for changing slag crucible tipple, 10 for changing slag crucible chassis, 11 is the insulated pouring bag, 12 are the insulated pouring bag system that tumbles, 13 is insulated pouring bag chassis, 14 is platform, 15 is underneath type insulated pouring bag chassis drive unit, 16 for changing slag crucible chassis drive system, 17 is column, 18 is the pull platform drive system, 19 is the pull platform, 20 is roll lower end fixed cover, 21 is column, 22 is leading screw, 23 is intermediate frequency furnace, 24 is clamper, 25 is steel wire rope, 26 is counterweight.
The continuous build-up welding apparatus of a kind of molten metal electroslag, it comprises intermediate frequency furnace 23, insulated pouring bag chassis 13, change slag crucible chassis 10, mandrel upper end servo-actuated clamping device and drawing device, wherein insulated pouring bag chassis 13 comprises insulated pouring bag 11, insulated pouring bag tumble system 12 and underneath type insulated pouring bag chassis drive unit 15 are changed slag crucible chassis 10 comprising slag crucibles 6, graphite electrode 7, electrode lifting device 8, change slag crucible tipple 9 and underneath type slag crucible chassis drive unit 16, mandrel upper end servo-actuated clamping device comprises clamping platform 3, column 4, pulley 5, steel wire rope 25 and clamper 24.
In the interlayer outside the insulated pouring bag 11 induction heating circle 28 is arranged.
To be fixed on the roll lower end fixed cover 20 on the pull platform 19 by the lower end of the mandrel 1 of repair welding, the upper end is fixing by the clamper on the clamping platform 3 24, can be moved up and down with pull platform 19 by the mandrel 1 of repair welding and clamping platform 3, make it treat that the repair welding position is in the crystallizer 2.Molten metal is after melting is finished in intermediate frequency furnace 23, insulated pouring bag chassis 13 is opened to crystallizer 2, meanwhile, changing finishing slag process in the slag crucible 6 at the graphite electrode of changing on the slag crucible chassis 10 7, before change slag crucible chassis 10 reaches crystallizer 2, a certain amount of liquid slag is injected crystallizer 2, the crystallizer energising, make slag keep uniform temperature and rotation, start the insulated pouring bag system 12 that tumbles, a certain amount of molten metal is injected crystallizer 2 through running channel, after molten metal fuses by slag bath and mandrel 1, pull platform drive system 18 makes pull platform 19 drive mandrel 1 and moves down, change slag crucible 6 and regularly replenish slag liquid, in the interlayer outside the insulated pouring bag 11 induction heating circle 28 is arranged, make the bag inner metal liquid keep high temperature to crystallizer 2, and in crystallizer 2, regularly or uninterruptedly replenish molten metal, finish up to whole mandrel process of patch weld.
This appliance arrangement is simple, is easy to make, and raises the efficiency 5～10 times than conventional overlaying method, 5 times of the institute's surfacing roll life-span of producing raisings.
Embodiment 2:
In accompanying drawing 4～6, increase Dummy plate 27, all the other marks are identical with accompanying drawing 1～3.Pull platform 19 is elevated to certain altitude so that Dummy plate 27 is stretched in the current-conductive mold 2, molten metal is after melting is finished in intermediate frequency furnace 23, insulated pouring bag chassis 13 is opened to intermediate frequency furnace 23, the insulated pouring bag 11 of molten metal from intermediate frequency furnace 23 injection insulated pouring bag chassis 13 is before insulated pouring bag chassis 13 reaches crystallizer 2 subsequently.Meanwhile, changing finishing slag process in the slag crucible 6 at the graphite electrode of changing on the slag crucible chassis 10 7, before change slag crucible chassis 10 reaches crystallizer 2, a certain amount of liquid slag is injected crystallizer 2, the crystallizer energising, make slag keep uniform temperature and rotation, start the insulated pouring bag system 12 that tumbles, a certain amount of molten metal is injected crystallizer 2 through running channel, when molten metal after slag bath top drops to Dummy plate 27 and solidifies, pull platform drive system 18 makes pull platform 19 move down the beginning dummy ingot, change slag crucible 6 and regularly replenish slag liquid, in the interlayer outside the insulated pouring bag 11 induction heating circle 28 is arranged, make the bag inner metal liquid keep high temperature to crystallizer 2, and in crystallizer 2, regularly or uninterruptedly replenish molten metal, thereby realize the D.C.casting technical process.
This appliance arrangement is simple, is easy to make, than conventional electroslag remelting economize on electricity 40%.
Claims (2)
1, continuous casting of a kind of molten metal electroslag and build-up welding apparatus, it comprises intermediate frequency furnace (23), insulated pouring bag chassis (13), change slag crucible chassis (10), mandrel upper end servo-actuated clamping device and drawing device, it is characterized in that insulated pouring bag chassis (13) comprises insulated pouring bag (11), insulated pouring bag tumble system (12) and underneath type insulated pouring bag chassis drive unit (15), change slag crucible chassis (10) comprising slag crucible (6), graphite electrode (7), electrode lifting device (8), change slag crucible tipple (9) and underneath type slag crucible chassis drive unit (16), mandrel upper end servo-actuated clamping device comprises clamping platform (3), column (4), pulley (5), steel wire rope (25) and clamper (24).
2, device according to claim 1 is characterized in that in the outer interlayer of described insulated pouring bag (11) induction heating circle (28) being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98249024 CN2356783Y (en) | 1998-11-23 | 1998-11-23 | Device for molten metal electroslag continuous casting ingot and pile-up welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98249024 CN2356783Y (en) | 1998-11-23 | 1998-11-23 | Device for molten metal electroslag continuous casting ingot and pile-up welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2356783Y true CN2356783Y (en) | 2000-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98249024 Expired - Fee Related CN2356783Y (en) | 1998-11-23 | 1998-11-23 | Device for molten metal electroslag continuous casting ingot and pile-up welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2356783Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189247A (en) * | 2011-03-29 | 2011-09-21 | 沈阳东大兴科冶金技术有限公司 | Heavy-current short-network direct attached gas shield three-phase electric slag furnace |
| CN102228965A (en) * | 2011-06-21 | 2011-11-02 | 中国电子科技集团公司第二研究所 | Automatic pouring system of vacuum strip casting furnace |
| CN102560551A (en) * | 2012-01-04 | 2012-07-11 | 饶云福 | Electrolytic aluminum anodic steel claw repairing equipment |
| CN103862296A (en) * | 2014-03-27 | 2014-06-18 | 中冶华天工程技术有限公司 | Bead welding device |
| CN109385504A (en) * | 2018-11-27 | 2019-02-26 | 苏州大学 | A kind of device and method using induction furnace and electric slag liquid casting steel-making |
| CN116441701A (en) * | 2023-06-13 | 2023-07-18 | 内蒙古世星新材料科技有限公司 | Automatic slag system and method of plate electroslag welding equipment |
-
1998
- 1998-11-23 CN CN 98249024 patent/CN2356783Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189247A (en) * | 2011-03-29 | 2011-09-21 | 沈阳东大兴科冶金技术有限公司 | Heavy-current short-network direct attached gas shield three-phase electric slag furnace |
| CN102189247B (en) * | 2011-03-29 | 2013-09-18 | 沈阳东大兴科冶金技术有限公司 | Heavy-current short-network direct attached gas shield three-phase electric slag furnace |
| CN102228965A (en) * | 2011-06-21 | 2011-11-02 | 中国电子科技集团公司第二研究所 | Automatic pouring system of vacuum strip casting furnace |
| CN102560551A (en) * | 2012-01-04 | 2012-07-11 | 饶云福 | Electrolytic aluminum anodic steel claw repairing equipment |
| CN102560551B (en) * | 2012-01-04 | 2016-05-04 | 饶云福 | Electrolytic aluminum anodic steel claw repairing equipment |
| CN103862296A (en) * | 2014-03-27 | 2014-06-18 | 中冶华天工程技术有限公司 | Bead welding device |
| CN109385504A (en) * | 2018-11-27 | 2019-02-26 | 苏州大学 | A kind of device and method using induction furnace and electric slag liquid casting steel-making |
| CN109385504B (en) * | 2018-11-27 | 2019-07-05 | 苏州大学 | A kind of device and method using induction furnace and electric slag liquid casting steel-making |
| CN116441701A (en) * | 2023-06-13 | 2023-07-18 | 内蒙古世星新材料科技有限公司 | Automatic slag system and method of plate electroslag welding equipment |
| CN116441701B (en) * | 2023-06-13 | 2023-09-15 | 内蒙古世星新材料科技有限公司 | Automatic slag system and method of plate electroslag welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |