CN208983849U - Small size vacuum smelting furnace - Google Patents
Small size vacuum smelting furnace Download PDFInfo
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- CN208983849U CN208983849U CN201821125789.3U CN201821125789U CN208983849U CN 208983849 U CN208983849 U CN 208983849U CN 201821125789 U CN201821125789 U CN 201821125789U CN 208983849 U CN208983849 U CN 208983849U
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- pump
- small size
- smelting furnace
- vacuum
- vacuum smelting
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Abstract
The utility model discloses small size vacuum smelting furnaces, small size vacuum smelting furnace, including furnace body and it is set to the intracorporal vacuum equipment of furnace, vacuum equipment is two-stage vacuum pump composition, including diffusion pump and mechanical pump, the exhaust outlet connection of diffusion pump is connected with the air inlet of mechanical pump, and diffusion pump and mechanical pump are electrically connected to controller.The utility model has the advantage of improve to existing vacuum melting furnace, the melting part of smelting furnace is built in the pump housing of diffusion pump, realize the combination of the two, the volume of equipment can be greatly reduced, vacuum system uses two-stage vacuum pump, it can be switched fast the adjusting of high rough vacuum, automatically to cope with different temperature and sintering time.
Description
Technical field
The utility model relates to be sintered press device field more particularly to small size vacuum smelting furnace.
Background technique
Vacuum sintering furnace be it is a kind of at high temperature, by heating module (heating wire or electric hot plate) to being internally heated,
Make the mutual bonded of ceramic green solid particle, crystal grain is grown up, and gap (stomata) and crystal boundary are gradually reduced, and passes through the biography of substance
It passs, total volume is shunk, and density increases, and finally becomes the stove with certain microstructural dense multicrystalline sintered body, vacuum
Sintering furnace is to the stove for being heated article progress protectiveness sintering in vacuum environment, and heating method compares
More, such as resistance heating, induction heating, microwave heating, vacuum sintering furnace is due to leakproofness exigent in sintering and Nai Gao
Warm ability, so existing sintering furnace figure is larger, occupied area is larger, and two kinds of performances are difficult to reach balance.
Furthermore vacuum sintering furnace is in vacuum-sintering, in addition to having to device temperature uniformity and accuracy, final vacuum
Outside high requirement, cooling velocity is also to evaluate an important indicator of vacuum sintering furnace.After the completion of the product sintering of the prior art,
It realizes and cools down generally by natural cooling, however, the efficiency of natural cooling is extremely low, the efficiency of the production largely effected on.
Utility model content
Technical problems based on background technology, the utility model proposes small size vacuum smelting furnaces.
Small size vacuum smelting furnace, including furnace body and it is set to the intracorporal vacuum equipment of furnace, vacuum equipment is secondary vacuum
Pump group is at the exhaust outlet connection of including diffusion pump and mechanical pump, diffusion pump is connected with the air inlet of mechanical pump, diffusion pump and machinery
Pump is electrically connected to controller.
Preferably, the inner wall of the pump housing is equipped with Double water-cooled structure, and Double water-cooled structure is double-deck spiral shape water pipe.
Preferably, mold outer layer is equipped with insulating layer, and insulating layer selects graphite carbon felt.
Preferably, on the side wall of the pump housing, in sintering zone, horizontal position is equipped with observation window, and observation window is quartz glass, sees
That surveys window is externally provided with CCD appliance coupler camera.
Preferably, temperature measuring equipment is equipped in the pump housing, temperature measuring equipment is optical fiber type double color infrared temperature measuring instrument, directly measurement sintering
Area's internal temperature.
Preferably, temperature measuring equipment connects Pneumatic baffle valve, and Pneumatic baffle valve connects between diffusion pump and mechanical pump.
Preferably, pump body side is equipped with overtemperature prote thermocouple.
Preferably, furnace body is equipped with vacuum system, and heater is to wait static pressure tubular graphite.
Preferably, heater has single-phase fever and three-phase two kinds of glow modes of fever.
It, will be built in the melting part of smelting furnace the utility model has the advantage of being improved to existing vacuum melting furnace
In the pump housing of diffusion pump, the combination of the two is realized, the volume of equipment can be greatly reduced, vacuum system is true using second level
Sky pump, can be switched fast the adjusting of high rough vacuum, automatically to cope with different temperature and sintering time；
Heater is equal static pressure tubular graphite or molybdenum filament, has that fever is fast, the uniform feature of furnace temperature, have single-phase fever and
Three-phase two kinds of glow modes of fever, adapt to the sintering of multiple material；
Observation window is externally provided with CCD appliance coupler camera, can be in the environment of high brightness using industrial electrical equipment coupled camera
Middle capture image, shows the variations in detail in sintering process with even clearer picture；
Double water-cooled structure can be recycled using water cools down to furnace body, reduces furnace body because of the shape that temperature increases and generates
Become, improves product quality, prolong the service life；
Temperature measuring equipment uses optical fiber type double color infrared temperature measuring instrument, and directly measurement sintering zone internal temperature, data are directly and quasi-
Really, facilitate the control of system；
Insulating layer uses graphite carbon felt, and thermal insulation property is good, can guarantee that temperature when melting is stablized, shortens the pumpdown time；
The utility model is small in size, can cooperatively form highly integrated sintering system with control system, be suitable for research
Unit uses.
Detailed description of the invention
Fig. 1 be the utility model proposes small size vacuum smelting furnace structural schematic diagram.
Specific embodiment
With reference to Fig. 1, combined with specific embodiments below the utility model is made further to explain.
Small size vacuum smelting furnace, including furnace body 1 and the vacuum equipment being set in furnace body 12, vacuum equipment 2 is second level
Vacuum pump group is at the connection of exhaust outlet 5 of including diffusion pump 3 and mechanical pump 4, diffusion pump 3 is connected with the air inlet 6 of mechanical pump 4, expansion
It dissipates pump 3 and mechanical pump 4 is electrically connected to controller.
The 7 bosom position of the pump housing of diffusion pump 3 is equipped with mold 8, is sintering zone 9 inside mold 8,9 lower part of sintering zone is
Push-down head 10,10 lower part of push-down head connect push-down head fixing seat 11, and 11 top of push-down head fixing seat is connected with push rod 12, sintering zone 9
Top be equipped with seaming chuck 13, seaming chuck 13 is connected with seaming chuck fixing seat 14, and mold 8, which wraps around, is provided with several heaters
15。
The inner wall of the pump housing 7 is equipped with Double water-cooled structure 16, and Double water-cooled structure 16 is double-deck spiral shape water pipe, utilizes
Water circulation cools down to furnace wall, reduces furnace wall because of the deformation that temperature increases and generates, improves product quality, extends and use the longevity
Life；
8 outer layer of mold is equipped with insulating layer 17, and insulating layer 17 selects graphite carbon felt, and thermal insulation property is good, when can guarantee melting
Temperature is stablized, and the pumpdown time is shortened；
On the side wall of the pump housing 7, in sintering zone, 9 horizontal position is equipped with observation window 18, and observation window 18 is quartz glass, observation
Window 18 is externally provided with CCD appliance coupler camera 19, and figure can be captured in the environment of high brightness using industrial electrical equipment coupled camera
Picture shows the variations in detail in sintering process with even clearer picture；
Temperature measuring equipment 20 is equipped in the pump housing 7, temperature measuring equipment is optical fiber type double color infrared temperature measuring instrument, directly measurement sintering zone 9
Internal temperature, data are directly and accurate, facilitate the control of system；
Temperature measuring equipment 20 connects Pneumatic baffle valve 21, and Pneumatic baffle valve 21 connects between diffusion pump 3 and mechanical pump 4.
7 inner side of the pump housing is equipped with overtemperature prote thermocouple, has the function of protecting alarm；
Heater is equal static pressure tubular graphite or molybdenum filament, has that fever is fast, the uniform feature of furnace temperature, have single-phase fever and
Three-phase two kinds of glow modes of fever, adapt to the sintering of multiple material；
It, will be built in the melting part of smelting furnace the utility model has the advantage of being improved to existing vacuum melting furnace
In the pump housing of diffusion pump, the combination of the two is realized, the volume of equipment can be greatly reduced, vacuum system is true using second level
Sky pump, can be switched fast the adjusting of high rough vacuum, automatically to cope with different temperature and sintering time；
The utility model is small in size, can cooperatively form highly integrated sintering system with control system.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. small size vacuum smelting furnace, including furnace body (1) and the vacuum equipment (2) being set in furnace body (1), which is characterized in that
The vacuum equipment (2) is two-stage vacuum pump composition, including diffusion pump (3) and mechanical pump (4), the exhaust of the diffusion pump (3)
Mouth (5) connection is connected with the air inlet (6) of the mechanical pump (4), and the diffusion pump (3) and mechanical pump (4) are electrically connected to
Controller.
2. small size vacuum smelting furnace according to claim 1, which is characterized in that the pump housing (7) of the diffusion pump (3) is internal
Middle position is equipped with mold (8), is inside mold (8) sintering zone (9), and sintering zone (9) lower part is push-down head (10), described
Push-down head (10) lower part connects push-down head fixing seat (11), and push-down head fixing seat (11) top is connected with push rod (12), described
The top of sintering zone (9) is equipped with seaming chuck (13), and the seaming chuck (13) is connected with seaming chuck fixing seat (14), the mold (8)
It wraps around and is provided with several heaters (15).
3. small size vacuum smelting furnace according to claim 2, which is characterized in that the inner wall of the pump housing (7) is equipped with double
Layer water-cooling structure (16), the Double water-cooled structure (16) are double-deck spiral shape water pipe.
4. small size vacuum smelting furnace according to claim 2, which is characterized in that mold (8) outer layer is equipped with insulating layer
(17), the insulating layer (17) selects graphite carbon felt.
5. small size vacuum smelting furnace according to claim 2, which is characterized in that on the side wall of the pump housing (7), be sintered
Area's (9) horizontal position is equipped with observation window (18), and observation window (18) is quartz glass, and observation window (18) is externally provided with CCD electric appliance
Coupler camera (19).
6. small size vacuum smelting furnace according to claim 2, which is characterized in that be equipped with temperature measuring equipment in the pump housing (7)
(20), temperature measuring equipment is optical fiber type double color infrared temperature measuring instrument, directly measurement sintering zone (9) internal temperature.
7. small size vacuum smelting furnace according to claim 6, which is characterized in that the pneumatic gear of temperature measuring equipment (20) connection
Plate valve (21), between Pneumatic baffle valve (21) connection diffusion pump (3) and mechanical pump (4).
8. small size vacuum smelting furnace according to claim 2, which is characterized in that the pump housing (7) inner side is equipped with super
Temperature protection thermocouple.
9. small size vacuum smelting furnace according to claim 2, which is characterized in that the heater (15) is to wait static pressure tubular
Graphite or molybdenum filament.
10. small size vacuum smelting furnace according to claim 9, which is characterized in that the heater (15) has single-phase fever
With three-phase two kinds of glow modes of fever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125789.3U CN208983849U (en) | 2018-07-17 | 2018-07-17 | Small size vacuum smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821125789.3U CN208983849U (en) | 2018-07-17 | 2018-07-17 | Small size vacuum smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208983849U true CN208983849U (en) | 2019-06-14 |
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ID=66779958
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821125789.3U Active CN208983849U (en) | 2018-07-17 | 2018-07-17 | Small size vacuum smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208983849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645212A (en) * | 2018-07-17 | 2018-10-12 | 浙江晨华科技有限公司 | Small size vacuum smelting furnace |
-
2018
- 2018-07-17 CN CN201821125789.3U patent/CN208983849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645212A (en) * | 2018-07-17 | 2018-10-12 | 浙江晨华科技有限公司 | Small size vacuum smelting furnace |
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