CN207391485U - A kind of vacuum annealing furnace - Google Patents
A kind of vacuum annealing furnace Download PDFInfo
- Publication number
- CN207391485U CN207391485U CN201721447898.2U CN201721447898U CN207391485U CN 207391485 U CN207391485 U CN 207391485U CN 201721447898 U CN201721447898 U CN 201721447898U CN 207391485 U CN207391485 U CN 207391485U
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- China
- Prior art keywords
- annealing furnace
- air
- vacuum
- upper cover
- erecting bed
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Abstract
The utility model discloses a kind of vacuum annealing furnaces,Including mounting bracket,The mounting bracket inner bottom is installed with annealing furnace,The upper lid at the top of the annealing furnace is equipped with the vacuum valve connected with furnace body,Inner cavity is equipped between the furnace body and insulating layer,The upper cover inside bottom is fixed with air-introduced machine and air blower,The air outlet of the air-introduced machine is connected by the air inlet of air hose and air blower,The top of the annealing furnace is equipped with erecting bed,Air-introduced machine hole is from left to right equipped on the erecting bed,Vacuum valve opening and air blower hole,The bottom of the erecting bed is fixed with baffle,Condenser is equipped on the right side of the insulating layer,The top of the condenser is equipped with wind turbine,The annealing furnace right upper portion is equipped with the connection in vivo air inlet pipe of stove,The annealing furnace has good sealing and heat insulation effect,There is higher heat transfer efficiency,Bell is equipped with heated air circulation device,The in vivo atmosphere of stove and temperature can be made uniform,Heat Conduction Material uses environment friendly and pollution-free material.
Description
Technical field
The utility model belongs to heat-treatment furnace technical field, and in particular to a kind of vacuum annealing furnace.
Background technology
Vacuum annealing furnace is primarily adapted for use in stainless steel drawing part such as plumbing, water swelling part, pin, medical instrument, stainless steel
Nail, stainless steel screw, the part that presses, stainless steel bearing, watchcase, watchband, cutter, Minisize axial, self tapping are from the stainless steel such as brill, tableware
Product carry out the multipurpose furnace of continuous bright annealing, solid solution, demagnetization and stainless steel quenching under protective atmosphere control, commercially available true
The mode of empty annealing furnace generally use indirectly heat, heat conduction efficiency is poor, and manufacture is of high cost, and equipment investment is big, uses process
In easily there are security risk, and cooling time is long, the mechanical performance index such as hardness, toughness after workpiece annealing are not easy to reach
Technological requirement, product quality are difficult to ensure that, heating material is used often to lead to the problem of secondary pollution to environment, is then designed
A kind of electric heating material while secondary pollution is avoided, can reduce use cost, while it is heavy to closing to prolong the service life
It wants.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of vacuum annealing furnace
Problem.
To achieve the above object, the utility model provides following technical solution：A kind of vacuum annealing furnace, including installation
Frame, the mounting bracket inner bottom are installed with annealing furnace, and the top of the annealing furnace is equipped with upper cover, and on the upper lid also
Equipped with the vacuum valve connected with furnace body inside annealing furnace, the outside of the furnace body is equipped with insulating layer, and the furnace body and insulating layer
Between be equipped with inner cavity, the upper cover lower left side and annealing furnace upper left-hand are equipped with locating piece, two locating piece grafting
Have a positioning pin, the upper cover inside bottom is fixed with air-introduced machine and air blower, the air outlet of the air-introduced machine by air hose with
The air inlet of air blower is connected, and the top of the annealing furnace is located at the bottom of upper cover equipped with erecting bed, from a left side on the erecting bed
Air-introduced machine hole, vacuum valve opening and air blower hole are equipped with to the right side, the bottom of the erecting bed is fixed with baffle, and the insulating layer is right
Side is equipped with condenser, and the top of the condenser is equipped with wind turbine, and the top and bottom of the condenser respectively by pipeline with
Inner cavity connects, and the annealing furnace right upper portion is equipped with the in vivo air inlet pipe of connection stove and the gas outlet of air inlet pipe is equipped with solenoid valve.
Preferably, the interior of the inner cavity is equipped with how curved W types molybdenum disilicide electric heater.
Preferably, the edge of the upper cover bottom, which is equipped with, keeps the temperature closed circle, and the erecting bed top surface is pasted with guarantor
Temperature pad.
Preferably, the inner wall of the furnace body is equipped with vacuum inspective meter and temperature sensor, the temperature sensor position
In the lower section of vacuum inspective meter.
Preferably, the outer surface of the annealing furnace is equipped with alundum (Al2O3) etch resistant layer.
Preferably, the bottom of the annealing furnace is equipped with buffer rubber gasket.
The technique effect and advantage of the utility model：Vacuum drying oven heating element is improved to more by the vacuum annealing furnace
Curved W types molybdenum disilicide heater, solves the problems, such as secondary pollution well, while reduces use cost, extends use
Service life, the uniformly distributed interior intracavitary of heating element are reasonably distributed, bell is equipped with heated air circulation device, can make the atmosphere and temperature in retort
Degree is uniform, has protective gas, after annealing product non-oxidation, eliminates machining stress, improves Magnetic Performance Core, reduces iron loss, has
Good sealing and heat insulation effect have higher heat transfer efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the top view of the utility model erecting bed.
In figure：1 mounting bracket, 2 annealing furnaces, 3 upper covers, 4 vacuum valves, 5 furnace bodies, 6 insulating layers, 7 inner cavities, 8 air-introduced machines, 9 air blast
Machine, 10 positioning pins, 11 locating pieces, 12 condensers, 13 wind turbines, 14 buffer rubber gaskets, 15 erecting beds, 16 baffles, 17 vacuum valve openings,
18 air-introduced machine holes, 19 air blower holes, 20 vacuum inspective meters.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model provides a kind of vacuum annealing furnace as shown in Figs. 1-3, including mounting bracket 1, the installation
1 inner bottom of frame is installed with annealing furnace 2, and the top of the annealing furnace 2 is equipped with upper cover 3, and be additionally provided in the upper cover 3 with
The vacuum valve 4 of 2 inside furnace body 5 of annealing furnace connection, the outside of the furnace body 5 are equipped with insulating layer 6, and the furnace body 5 and insulating layer 6
Between be equipped with inner cavity 7,3 lower left side of upper cover and 2 upper left-hand of annealing furnace are equipped with locating piece 11, two locating pieces
11 are plugged with positioning pin 10, and 3 inside bottom of upper cover is fixed with air-introduced machine 8 and air blower 9, the outlet air of the air-introduced machine 8
It mouthful is connected by the air inlet of air hose and air blower 9, the top of the annealing furnace 2 is located at the bottom of upper cover 3 equipped with erecting bed 15,
Air-introduced machine hole 18, vacuum valve opening 17 and air blower hole 19, the bottom of the erecting bed 15 are from left to right equipped on the erecting bed 15
Portion is fixed with baffle 16, and 6 right side of insulating layer is equipped with condenser 12, and the top of the condenser 12 is equipped with wind turbine 13, and
The top and bottom of the condenser 12 are connected respectively by pipeline with inner cavity 7, and 2 right upper portion of annealing furnace is equipped with connection stove
The gas outlet of air inlet pipe 21 and air inlet pipe 21 in body 5 is equipped with solenoid valve.
Specifically, the interior of the inner cavity 7 is equipped with how curved W types molybdenum disilicide electric heater, secondary pollution is avoided, reduces and uses
Cost prolongs the service life simultaneously.
Specifically, the edge of 3 bottom of upper cover, which is equipped with, keeps the temperature closed circle, 15 top surface of erecting bed is pasted with
Heat keeper strengthens heat insulation effect.
Specifically, the inner wall of the furnace body 5 is equipped with vacuum inspective meter 20 and temperature sensor 22, the temperature sensing
Device 22 is located at the lower section of vacuum inspective meter 20, detects vacuum degree and temperature inside furnace body 5.
Specifically, the outer surface of the annealing furnace 2 is equipped with alundum (Al2O3) etch resistant layer.
Specifically, the bottom of the annealing furnace 2 is equipped with buffer rubber gasket 14, bumper and absorbing shock, it is ensured that the stationarity of lifting.
In conclusion the vacuum annealing furnace, in use, after being first evacuated to certain vacuum degree in furnace body 5 during operation, is used
Vacuum inspective meter 20 detects the vacuum degree in furnace body 5, then High Purity Nitrogen or ammonolysis craft is filled with into furnace body 5 from air inlet pipe 21
Gas carries out protection heating, so as to achieve the purpose that low or non oxidized heating, bright, the air-introduced machine 8 of 3 inside bottom of upper cover without decarburization
With the setting of the heated air circulation device of air blower 9, atmosphere in retort and temperature can be made uniform so as to have in the furnace body higher
Temperature uniformity, condenser 12 cools down, and cooling is convenient, and making that treated, workpiece meets technological requirement to greatest extent, effectively
Ensure the reliability of product quality, meanwhile, the design of mounting bracket 1 can lift by crane overall structure, and balance is good, and place is fitted
Should be able to power it is strong, operation be substantially not present security risk.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Equivalent substitution is carried out, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of vacuum annealing furnace, including mounting bracket（1）, it is characterised in that：The mounting bracket（1）Inner bottom fixes peace
Equipped with annealing furnace（2）, the annealing furnace（2）Top be equipped with upper cover（3）, and the upper cover（3）On be additionally provided with and annealing furnace（2）
Internal furnace body（5）The vacuum valve of connection（4）, the furnace body（5）Outside be equipped with insulating layer（6）, and the furnace body（5）And heat preservation
Layer（6）Between be equipped with inner cavity（7）, the upper cover（3）Lower left side and annealing furnace（2）Upper left-hand is equipped with locating piece（11）,
Two locating pieces（11）It is plugged with positioning pin（10）, the upper cover（3）Inside bottom is fixed with air-introduced machine（8）And air blast
Machine（9）, the air-introduced machine（8）Air outlet pass through air hose and air blower（9）Air inlet connect, the annealing furnace（2）It is upper
Portion is located at upper cover（3）Bottom be equipped with erecting bed（15）, the erecting bed（15）On from left to right be equipped with air-introduced machine hole（18）, it is true
Empty valve opening（17）With air blower hole（19）, the erecting bed（15）Bottom be fixed with baffle（16）, the insulating layer（6）It is right
Side is equipped with condenser（12）, the condenser（12）Top be equipped with wind turbine（13）, and the condenser（12）Top and bottom
Portion passes through pipeline and inner cavity respectively（7）Connection, the annealing furnace（2）Right upper portion is equipped with connection furnace body（5）Interior air inlet pipe
（21）And air inlet pipe（21）Gas outlet be equipped with solenoid valve.
2. a kind of vacuum annealing furnace according to claim 1, it is characterised in that：The inner cavity（7）It is interior be equipped with it is more
Curved W types molybdenum disilicide electric heater.
3. a kind of vacuum annealing furnace according to claim 1, it is characterised in that：The upper cover（3）The edge of bottom
Place, which is equipped with, keeps the temperature closed circle, the erecting bed（15）Top surface is pasted with heat keeper.
4. a kind of vacuum annealing furnace according to claim 1, it is characterised in that：The furnace body（5）Inner wall on set
There is vacuum inspective meter（20）And temperature sensor（22）, the temperature sensor（22）It is examined positioned at vacuum inspective meter vacuum degree
Survey instrument（20）Lower section.
5. a kind of vacuum annealing furnace according to claim 1, it is characterised in that：The annealing furnace（2）Outer surface
Equipped with alundum (Al2O3) etch resistant layer.
6. a kind of vacuum annealing furnace according to claim 1, it is characterised in that：The annealing furnace（2）Bottom set
There is buffer rubber gasket（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447898.2U CN207391485U (en) | 2017-11-03 | 2017-11-03 | A kind of vacuum annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447898.2U CN207391485U (en) | 2017-11-03 | 2017-11-03 | A kind of vacuum annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207391485U true CN207391485U (en) | 2018-05-22 |
Family
ID=62328262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721447898.2U Expired - Fee Related CN207391485U (en) | 2017-11-03 | 2017-11-03 | A kind of vacuum annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207391485U (en) |
-
2017
- 2017-11-03 CN CN201721447898.2U patent/CN207391485U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180522 Termination date: 20201103 |