CN210151189U - Multipurpose vacuum arc melting and casting equipment - Google Patents
Multipurpose vacuum arc melting and casting equipment Download PDFInfo
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- CN210151189U CN210151189U CN201920115551.0U CN201920115551U CN210151189U CN 210151189 U CN210151189 U CN 210151189U CN 201920115551 U CN201920115551 U CN 201920115551U CN 210151189 U CN210151189 U CN 210151189U
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Abstract
The utility model relates to a multipurpose vacuum arc melting casting equipment, including an electric arc melting furnace and with one set of vacuum system of this smelting furnace inner chamber intercommunication, wherein be equipped with on the electric arc melting furnace and pull down continuous casting system, vacuum suction casting system and vacuum melting system with the casting shaping that this smelting furnace constitutes jointly. The utility model discloses an electric arc melting furnace can realize conventional vacuum electric arc founding, vacuum suction casting, drop-down continuous casting and the founding process under the protective atmosphere, through optimizing equipment structure, by a wide margin the manufacturing cost of complete sets of equipment that has reduced has improved production efficiency and casting blank quality.
Description
Technical Field
The utility model relates to the technical field of metallurgy, be a collect vacuum (or protective atmosphere) electric arc founding technique, vacuum (or protective atmosphere) electric arc suction casting technique and vacuum (or protective atmosphere) electric arc pull-down continuous casting technique in material preparation multipurpose founding equipment of an organic whole particularly.
Background
Vacuum arc furnaces are industrial furnaces for melting metals by means of an arc discharge principle using gases. In the existing vacuum arc fusion casting equipment, an arc melting furnace and an arc suction casting furnace are often designed together, so that the alloy can be melted, and products with specific shapes can also be suction cast. For the preparation of materials with special requirements, in particular for vacuum continuous casting or continuous casting under protective atmosphere, the conventional electric arc furnace cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a just can realize vacuum arc melting, suction casting and pull-down formula continuous casting function's multipurpose vacuum arc founding equipment through one set of electric arc melting system and one set of vacuum system to the material of special requirement continuous casting.
The utility model discloses a multipurpose vacuum electric arc founding equipment, its characterized in that: the equipment comprises a set of vacuum system and an electric arc melting furnace, wherein a water-cooled copper plate, a vacuum suction casting mechanism and a pull-down continuous casting mechanism are arranged in the electric arc melting furnace, and melting, suction casting and pull-down continuous casting under vacuum or protective atmosphere can be realized.
The electric arc melting furnace comprises a water-cooling melting chamber, wherein a feeding mechanism, a protective atmosphere interface, a vacuum pumping hole, a glass observation window and a vacuum pressure gauge are arranged on the water-cooling melting chamber, a hemispherical crucible is arranged at the center of a water-cooling red copper plate at the bottom in the water-cooling melting chamber, a hole is formed in the center of the crucible, an interface for connecting the vacuum suction casting mechanism and the pull-down continuous casting mechanism is arranged right below the water-cooling red copper plate, and rectangular and hemispherical crucible grooves for melting are uniformly distributed around the crucible.
Rectangular cast ingots and button-shaped cast ingots can be simultaneously smelted on the water-cooled red copper plate at the bottom in the water-cooled smelting chamber, and vacuum suction casting or pull-down continuous casting is realized by replacing the vacuum suction casting mechanism or the pull-down continuous casting mechanism.
The vacuum suction casting mechanism and the pull-down continuous casting mechanism are connected with the water-cooling smelting chamber by adopting quick-opening structures, so that the conversion among different casting modes is facilitated.
The vacuum suction casting mold of the vacuum suction casting mechanism is placed under the central hemispherical smelting crucible, the suction casting pipeline adopts a T-shaped pipeline, and meanwhile, a filter is arranged in front of a control valve of a vacuum system to prevent overflowing alloy from directly entering the vacuum system through the pipeline during suction casting.
The pull-down crystallization device adopted by the pull-down continuous casting adopts a water-cooled crystallizer, a crystallization traction head is arranged in the middle, the crystallization traction head is connected with a lower rotating electrode and a pull-down electrode through a traction rod and can drive the crystallization traction head and the traction rod to do rotating motion and up-and-down motion, and the water-cooled crystallizer, the crystallization traction head and the traction rod are arranged on the same axis.
Compared with the prior art, the utility model has the following advantage:
1. the preparation process is simple and convenient to operate;
2. the utility model discloses a drop-down formula obtains the iridium ingot casting, and the iridium is growing along the length direction of bar in the solidification process, can obtain directional solidification ingot casting.
3. The utility model discloses the molten bath maintains the relative steady state throughout in the crystallizer, solidifies for the lower part alloy on the one hand and provides sufficient feeding, is favorable to gaseous spilling over in the alloy solidification process on the other hand, obtains the high density alloy ingot casting.
Drawings
Fig. 1 and 2 are schematic diagrams of a multipurpose vacuum arc melting and casting apparatus according to the present invention. In the figures 1 and 2 of the drawings,
(1) the device comprises a tungsten electrode (2), a tank body (3), a manual deflation interface (4), a vacuum system interface (5), a spherical smelting crucible (6), a water cooling plate (7), a drawing head (8), a switching chamber (9), a drawing rod (10), a lifting electrode (11), a rotating electrode (12), a bracket (13), a switching flange (14), a cooling inlet/outlet (15), a rectangular smelting crucible (16), a feeding port (17), a protective gas interface (18) and a suction casting mold (19).
Detailed Description
The technical scheme of the utility model is realized like this:
multipurpose vacuum arc melting and casting equipment, its characteristics are including one set of electric arc melting system and one set of vacuum system. The electric arc melting system is provided with a fusion casting water-cooling copper mold, a suction casting system and a pull-down continuous casting system which are jointly formed with the melting furnace.
The vacuum arc melting system comprises a water-cooled copper crucible, a suction casting copper mold, an auxiliary feeding device and a pull-down continuous casting system, wherein the water-cooled copper crucible is arranged in a melting furnace for melting. The auxiliary feeding device is arranged above a water-cooled crystallizer of the pull-down continuous casting system and used for supplementing raw materials in the continuous casting process.
The pull-down continuous casting system comprises a water-cooled crystallizer, a crystallization traction head, a water-cooled traction rod, a rotating device connected with the traction rod and a pull-down traction device. The water-cooled crystallizer, the crystallization traction head and the water-cooled traction rod for the pull-down continuous casting are arranged on the same axis, the water-cooled crystallizer is arranged in a water-cooled copper crucible, and the crystallization traction head is connected with the water-cooled traction rod and is arranged below the water-cooled crystallizer through a traction device. The rotating device and the pull-down traction device are arranged outside the smelting furnace.
Example 1:
a crystallizer with an internal diameter of 10mm was used. Moving a crystallization traction head to the middle lower part of a crystallizer, wherein iridium materials are fully distributed in the crystallizer; vacuum pumping is less than or equal to 2.0 multiplied by 10-2Pa, filling high-purity argon, starting electric arc, and heating to melt the iridium alloy; starting a rotating motor to drive a molten pool to rotate at the speed of 1.0rpm, and adjusting a tungsten electrode gun to ensure that the molten pool in the crystallizer is in a stable state; starting up and down moving motor to drive crystal traction head to descend; supplementing iridium material in the melting zone in real time through a feeding device in the descending process, and adjusting melting current to ensure the stability of a melting poolAnd (4) determining until the iridium material is completely melted to obtain the iridium rod with the diameter of 10 mm.
Example 2:
a crystallizer with the inner diameter of 20mm is adopted, a crystallization traction head is moved to the middle lower part of the crystallizer, and iridium materials are fully distributed in the crystallizer; vacuum pumping is less than or equal to 2.0 multiplied by 10-2Pa, filling high-purity argon, starting electric arc, and heating and melting the platinum alloy; starting a rotating motor to drive a molten pool to rotate at the speed of 1.0-2.0rpm, and adjusting a tungsten electrode gun to ensure that the molten pool in the crystallizer is in a stable state; starting up and down moving motor to drive crystal traction head to descend; supplementing iridium in a melting zone in real time through a feeding device in the descending process, and adjusting melting current to ensure the stability of a melting pool until the alloy is completely melted to obtain an alloy rod with the diameter of 20 mm.
Claims (4)
1. A multipurpose vacuum arc melting and casting equipment is characterized in that: the equipment comprises a set of vacuum system and a set of electric arc melting furnace, wherein a water-cooled red copper plate, a vacuum suction casting mechanism and a pull-down continuous casting mechanism are arranged in the electric arc melting furnace;
the pull-down crystallization device adopted by the pull-down continuous casting mechanism adopts a water-cooled crystallizer, a crystallization traction head is arranged in the middle, the crystallization traction head is connected with a lower rotating electrode and a pull-down electrode through a traction rod and can drive the crystallization traction head and the traction rod to do rotating motion and up-and-down motion, and the water-cooled crystallizer, the crystallization traction head and the traction rod are arranged on the same axis;
the electric arc melting furnace comprises a water-cooling melting chamber, wherein a feeding mechanism, a protective atmosphere interface, a vacuum pumping hole, a glass observation window and a vacuum pressure gauge are arranged on the water-cooling melting chamber, a hemispherical crucible is arranged at the center of a water-cooling red copper plate at the bottom in the water-cooling melting chamber, a hole is formed in the center of the crucible, an interface for connecting the vacuum suction casting mechanism and the pull-down continuous casting mechanism is arranged right below the water-cooling red copper plate, and rectangular and hemispherical crucible grooves for melting are uniformly distributed around the crucible.
2. A multi-purpose vacuum arc melting and casting apparatus as claimed in claim 1, wherein: rectangular cast ingots and button-shaped cast ingots can be simultaneously smelted on the water-cooled red copper plate at the bottom in the water-cooled smelting chamber, and vacuum suction casting or pull-down continuous casting is realized by replacing the vacuum suction casting mechanism or the pull-down continuous casting mechanism.
3. A multi-purpose vacuum arc melting and casting apparatus according to claim 1 or 2, wherein: the vacuum suction casting mechanism and the pull-down continuous casting mechanism are connected with the water-cooling smelting chamber by adopting a quick-opening structure.
4. A multi-purpose vacuum arc melting and casting apparatus according to claim 1 or 2, wherein: the vacuum suction casting mold of the vacuum suction casting mechanism is placed under the central hemispherical smelting crucible, the suction casting pipeline adopts a T-shaped pipeline, and meanwhile, a filter is arranged in front of a control valve of a vacuum system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920115551.0U CN210151189U (en) | 2019-01-23 | 2019-01-23 | Multipurpose vacuum arc melting and casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920115551.0U CN210151189U (en) | 2019-01-23 | 2019-01-23 | Multipurpose vacuum arc melting and casting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210151189U true CN210151189U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920115551.0U Expired - Fee Related CN210151189U (en) | 2019-01-23 | 2019-01-23 | Multipurpose vacuum arc melting and casting equipment |
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| Country | Link |
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| CN (1) | CN210151189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842845A (en) * | 2020-07-31 | 2020-10-30 | 吉林大学 | Multifunctional special casting smelting furnace and application thereof |
| CN111910086A (en) * | 2020-07-31 | 2020-11-10 | 云南锡业集团（控股）有限责任公司研发中心 | Device for preparing ultrapure indium and method for preparing ultrapure indium by adopting device |
-
2019
- 2019-01-23 CN CN201920115551.0U patent/CN210151189U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842845A (en) * | 2020-07-31 | 2020-10-30 | 吉林大学 | Multifunctional special casting smelting furnace and application thereof |
| CN111910086A (en) * | 2020-07-31 | 2020-11-10 | 云南锡业集团（控股）有限责任公司研发中心 | Device for preparing ultrapure indium and method for preparing ultrapure indium by adopting device |
| CN111910086B (en) * | 2020-07-31 | 2022-07-05 | 云南锡业集团（控股）有限责任公司研发中心 | Device for preparing ultrapure indium and method for preparing ultrapure indium by adopting device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 Termination date: 20220123 |