CN213288676U - Crucible outer sheath for vacuum gas atomization powder preparation - Google Patents
Crucible outer sheath for vacuum gas atomization powder preparation Download PDFInfo
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- CN213288676U CN213288676U CN202022013408.6U CN202022013408U CN213288676U CN 213288676 U CN213288676 U CN 213288676U CN 202022013408 U CN202022013408 U CN 202022013408U CN 213288676 U CN213288676 U CN 213288676U
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- crucible
- flange
- lower flange
- upper flange
- vacuum gas
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- 239000000843 powder Substances 0.000 title claims abstract description 33
- 238000009689 gas atomisation Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title description 6
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 2
- 238000000889 atomisation Methods 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 229910052593 corundum Inorganic materials 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to a vacuum atomization powder process field specifically is a crucible oversheath that vacuum atomization powder process used. The metal frame of the outer sheath of the crucible is formed by welding vertical bars and gap rings, more than two gap rings are vertically and coaxially arranged along a vertical coaxial line, and more than two vertical bars are uniformly arranged along the outer sides of the gap rings; the upper flange I and the upper flange II are oppositely arranged up and down, and the upper bending end of the vertical bar is clamped between the upper flange I and the upper flange II; the lower flange I and the lower flange II are arranged oppositely up and down, and the lower bending end of the vertical bar is clamped between the lower flange I and the lower flange II. The utility model discloses replace the mode of smelting of the little crucible of outer big crucible cover in traditional vacuum gas atomization powder process with the compound mode of crucible oversheath and crucible, the crucible basket can use repeatedly, has avoided the shortcoming that outer big crucible life is short, has improved the production efficiency and the rate of equipment utilization of vacuum gas atomization powder process greatly, has reduced use cost.
Description
Technical Field
The utility model relates to a vacuum atomization powder process field specifically is a crucible oversheath that vacuum atomization powder process used.
Background
In the process of powder preparation by vacuum gas atomization, a crucible with larger size is sleeved on the outer layer of a crucible for melting a powder preparation ingot, and magnesia or corundum sand is filled between a large crucible and a small crucible; the crucible bears high temperature repeatedly at the powder process in-process, and outer big crucible internal surface very easily peels off, appears phenomenons such as crackle, and solid outer big crucible needs often to be changed, has increased the cost of powder process.
The outer sheath of the crucible is used for replacing the traditional large crucible with the outer layer, so that the crucible can be used for almost unlimited times, the damage is not needed, and the use cost is reduced. At present, a vacuum melting furnace begins to adopt a crucible outer sheath technology, but a vacuum gas atomization powder making device still adopts a traditional double-crucible form at present.
SUMMERY OF THE UTILITY MODEL
To the mode of smelting that uses the little crucible of outer big crucible cover in the present vacuum gas atomization powder process, the utility model aims to provide a crucible oversheath that vacuum gas atomization powder process used adopts the mode of placing little crucible in the crucible oversheath to smelt.
The utility model adopts the technical proposal that:
a crucible oversheath that vacuum gas atomization powder process used, this crucible oversheath includes: the flange comprises an upper flange I, an upper flange II, a metal frame, a lower flange I and a lower flange II, and the specific structure is as follows:
the metal frame is formed by welding vertical bars and gap circular rings in a splicing manner, more than two gap circular rings are arranged up and down along a vertical coaxial line, more than two vertical bars are uniformly arranged along the outer sides of the gap circular rings, the upper end of each vertical bar is an upper bending end which is horizontally outward, and the lower end of each vertical bar is a lower bending end which is horizontally inward;
the first upper flange and the second upper flange are arranged oppositely up and down, the wall surface of a central round hole of the second upper flange is tightly attached to the outer side of a vertical bar at the upper part of the metal frame, the upper bending end of the vertical bar is clamped between the first upper flange and the second upper flange, and the first upper flange, the upper bending end and the second upper flange are fixedly penetrated through upper bolts;
the lower flange I and the lower flange II are arranged oppositely up and down, the outer side wall surface of the lower flange I is tightly attached to the inner side of the vertical bar at the lower part of the metal frame, the lower bending end of the vertical bar is clamped between the lower flange I and the lower flange II, and the lower bending end of the lower flange I, the lower bending end of the lower flange II and the lower flange II are fixedly penetrated through by the lower bolt.
The crucible oversheath that powder process used of vacuum gas atomization, the breach of breach ring is towards same direction, and the breach is between two adjacent vertical retort.
The crucible oversheath that powder process of vacuum gas atomization used, the width 15 ~ 40mm, the thickness 1 ~ 3mm of vertical retort and breach ring.
The crucible outer sheath used for the powder preparation by vacuum gas atomization has the advantages that the thickness of the first upper flange and the second upper flange is 5-20 mm, and the diameters of central circular holes of the first upper flange and the second upper flange are the same.
The outer sheath of the crucible used for the powder preparation by vacuum gas atomization is symmetrically provided with lifting rings at the top of the upper flange I.
The diameter of a central circular hole of the lower flange I is smaller than that of a central circular hole of the lower flange II, and the central circular hole of the lower flange I and the central circular hole of the lower flange II form a stepped hole structure which is coaxial.
The thickness of the lower flange I and the lower flange II is 5 mm-20 mm, and the diameter of a central circular hole of the lower flange I is within the range of 20 mm-100 mm according to the size of the outer sheath of the crucible.
The outer side of the metal frame is sealed by winding high-temperature-resistant cloth, and the high-temperature-resistant cloth is wound for 1-3 layers.
The utility model has the advantages and beneficial effects that:
the utility model discloses a mode of smelting of the little crucible of outer big crucible cover in traditional vacuum gas atomization powder process is replaced to the compound mode of crucible oversheath and crucible, and the crucible oversheath can use repeatedly, has avoided the shortcoming that outer big crucible life is short, has improved the production efficiency and the rate of equipment utilization of vacuum gas atomization powder process greatly, has reduced use cost.
Drawings
FIG. 1 is a schematic view of the structure of an outer sheath of a crucible; the structure comprises a lifting ring 1, an upper flange I2, an upper flange II 3, a metal frame 4, a lower flange I5, a lower flange II 6, an upper bolt 10, a lower bolt 11, a vertical bar 12, a notch ring 13, an upper bent end 14 and a lower bent end 15.
FIG. 2 is a schematic structural view of the crucible after being loaded into the outer sheath of the crucible; the high-temperature-resistant insulation material comprises 2-an upper flange I, 3-an upper flange II, 5-a lower flange I, 6-a lower flange II, 7-high-temperature-resistant cloth, 8-a crucible, 9-magnesia or corundum, 10-an upper bolt, 11-a lower bolt, 12-a vertical bar, 13-a notch ring, 14-an upper bent end, 15-a lower bent end and 16-high-temperature-resistant insulation paper.
Detailed Description
For better explanation of the present invention, the following detailed description is made with reference to the accompanying drawings.
As shown in fig. 1-2, the outer sheath of the crucible for vacuum atomization powder production of the present invention mainly comprises: the structure of the flange comprises an upper flange I2, an upper flange II 3, a metal frame 4, a lower flange I5, a lower flange II 6 and the like, and the specific structure is as follows:
the metal frame 4 is formed by welding vertical bars 12 and gap circular rings 13 in a splicing manner, more than two gap circular rings 13 are coaxially arranged up and down along the vertical direction, more than two vertical bars 12 are uniformly arranged along the outer sides of the gap circular rings 13, the upper end of each vertical bar 12 is an upper bending end 14 which is horizontally outward, and the lower end of each vertical bar 12 is a lower bending end 15 which is horizontally inward; wherein, the width 15 ~ 40mm, thickness 1 ~ 3mm of vertical bar 12 and breach ring 13, the breach of breach ring 13 just is between two adjacent vertical bar 12 towards same direction, the breach can prevent that outer lane induction heating coil and metal frame 4 from producing the phenomenon of striking sparks that discharges.
The upper flange I2 and the upper flange II 3 are arranged oppositely up and down, the wall surface of a central circular hole of the upper flange II 3 is tightly attached to the outer side of a vertical bar 12 at the upper part of the metal frame, an upper bending end 14 of the vertical bar 12 is clamped between the upper flange I2 and the upper flange II 3, and the upper flange I2, the upper bending end 14 and the upper flange II 3 are fixedly penetrated through by an upper bolt 10; the thicknesses of the first upper flange 2 and the second upper flange 3 are 5-20 mm, and the diameters of the central circular holes of the first upper flange 2 and the second upper flange 3 are the same. The top of the upper flange I2 is symmetrically provided with the hanging rings 1, so that the outer sheath of the crucible in a high-temperature state can be conveniently taken out of the vacuum furnace.
The lower flange I5 and the lower flange II 6 are arranged oppositely up and down, the outer side wall surface of the lower flange I5 is tightly attached to the inner side of a vertical bar 12 at the lower part of the metal frame, a lower bending end 15 of the vertical bar 12 is clamped between the lower flange I5 and the lower flange II 6, and the lower flange I5, the lower bending end 15 and the lower flange II 6 are fixedly penetrated through by a lower bolt 11. The thicknesses of the first lower flange 5 and the second lower flange 6 are 5-20 mm, the diameter of a central circular hole of the first lower flange 5 is smaller than that of a central circular hole of the second lower flange 6, and the diameter of the central circular hole of the first lower flange 5 is within the range of 20-100 mm according to the size of the outer sheath of the crucible. The central round hole of the lower flange I5 and the central round hole of the lower flange II 6 form a stepped hole structure with the same axis, and the stepped hole structure plays a role in: the arc-shaped end of the crucible can be clamped at the stepped hole structure, and the crucible 8 and the outer sheath of the crucible are coaxial. In addition, the outer side of the vertical bar 12 of the metal frame 4 is closely wound with the high-temperature resistant cloth 7, the inner side of the notch ring 13 of the metal frame 4 is surrounded with the cylindrical high-temperature resistant insulating paper 16, and the space between the crucible 8 and the high-temperature resistant insulating paper 16 is filled with magnesia or corundum 9.
As shown in fig. 1-2, the crucible outer sheath of the present invention is assembled as follows:
first, the upper flange one 2 and the upper flange two 3 are fastened by the upper bolts 10 to clamp the upper portion of the metal frame 4, and the lower flange one 5 and the lower flange two 6 are fastened by the lower bolts 11 to clamp the lower portion of the metal frame 4.
Then, the metal frame 4 is wound and closed from the outside with a high temperature resistant cloth 7 to ensure no gap, thereby constituting an integral structure with an inner cavity.
Wherein, the external dimension of the outer sheath of the crucible is determined by the dimension of the external coil and the inner crucible, the materials of the upper flange I2, the upper flange II 3, the lower flange I5 and the lower flange II 6 are refractory materials, such as: asbestos boards, and the like. The high-temperature-resistant cloth 7 is wound by 1-3 layers and can be asbestos cloth or glass fiber cloth and the like.
As shown in fig. 1-2, the crucible outer sheath of the present invention is used as follows:
firstly, the high-temperature resistant insulating paper 16 is made into a cylinder shape, the cylinder shape is placed in the outer sheath of the crucible and is tightly attached to the inner side of the metal frame 4, then the crucible 8 is placed in the center of the inner cavity of the outer sheath of the crucible, then magnesia or corundum 9 is filled between the crucible 8 and the high-temperature resistant insulating paper 16, and finally the crucible and the outer sheath of the crucible are baked by a warm air blower for standby.
When the crucible 8 in a high-temperature state needs to be replaced quickly, the outer sheath of the crucible and the crucible 8 can be quickly lifted away from the vacuum furnace through the lifting ring 1 for replacement.
The result shows, the utility model discloses replace the mode of smelting of the little crucible of outer big crucible cover in traditional vacuum gas atomization powder process with the compound mode of crucible oversheath and crucible, the crucible basket can use repeatedly, has avoided the shortcoming that outer big crucible life is short, has improved the production efficiency and the rate of equipment utilization of vacuum gas atomization powder process greatly, has reduced use cost.
Claims (8)
1. The utility model provides a crucible oversheath that vacuum gas atomization powder process used which characterized in that, this crucible oversheath includes: the flange comprises an upper flange I, an upper flange II, a metal frame, a lower flange I and a lower flange II, and the specific structure is as follows:
the metal frame is formed by welding vertical bars and gap circular rings in a splicing manner, more than two gap circular rings are arranged up and down along a vertical coaxial line, more than two vertical bars are uniformly arranged along the outer sides of the gap circular rings, the upper end of each vertical bar is an upper bending end which is horizontally outward, and the lower end of each vertical bar is a lower bending end which is horizontally inward;
the first upper flange and the second upper flange are arranged oppositely up and down, the wall surface of a central round hole of the second upper flange is tightly attached to the outer side of a vertical bar at the upper part of the metal frame, the upper bending end of the vertical bar is clamped between the first upper flange and the second upper flange, and the first upper flange, the upper bending end and the second upper flange are fixedly penetrated through upper bolts;
the lower flange I and the lower flange II are arranged oppositely up and down, the outer side wall surface of the lower flange I is tightly attached to the inner side of the vertical bar at the lower part of the metal frame, the lower bending end of the vertical bar is clamped between the lower flange I and the lower flange II, and the lower bending end of the lower flange I, the lower bending end of the lower flange II and the lower flange II are fixedly penetrated through by the lower bolt.
2. An outer jacket for a crucible used in making powder by vacuum gas atomization as claimed in claim 1, wherein the gaps of the gap rings are oriented in the same direction and the gap is between two adjacent vertical bars.
3. The outer sheath of a crucible for making powder by vacuum gas atomization as claimed in claim 1, wherein the widths of the vertical bars and the notched ring are 15-40 mm and the thickness is 1-3 mm.
4. The outer sheath of the crucible for making powder by vacuum gas atomization as claimed in claim 1, wherein the thickness of the first upper flange and the second upper flange is 5 mm-20 mm, and the diameters of the central circular holes of the first upper flange and the second upper flange are the same.
5. The outer sheath of a crucible for making powder by vacuum gas atomization as claimed in claim 1, wherein the top of the first upper flange is symmetrically provided with hanging rings.
6. The outer sheath of the crucible for making powder by vacuum gas atomization as claimed in claim 1, wherein the diameter of the central circular hole of the first lower flange is smaller than that of the central circular hole of the second lower flange, and the central circular hole of the first lower flange and the central circular hole of the second lower flange form a coaxial stepped hole structure.
7. The outer sheath of a crucible for making powder by vacuum gas atomization as claimed in claim 1, wherein the thickness of the first and second lower flanges is 5mm to 20mm, and the diameter of the central circular hole of the first lower flange is in the range of 20mm to 100mm according to the size of the outer sheath of the crucible.
8. The outer sheath of the crucible for making powder by vacuum gas atomization as claimed in claim 1, wherein the outer side of the metal frame is closed by winding high temperature resistant cloth, and the high temperature resistant cloth is wound by 1-3 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013408.6U CN213288676U (en) | 2020-09-15 | 2020-09-15 | Crucible outer sheath for vacuum gas atomization powder preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013408.6U CN213288676U (en) | 2020-09-15 | 2020-09-15 | Crucible outer sheath for vacuum gas atomization powder preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213288676U true CN213288676U (en) | 2021-05-28 |
Family
ID=76031205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022013408.6U Active CN213288676U (en) | 2020-09-15 | 2020-09-15 | Crucible outer sheath for vacuum gas atomization powder preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213288676U (en) |
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2020
- 2020-09-15 CN CN202022013408.6U patent/CN213288676U/en active Active
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