CN208671640U - A kind of sintering vacuum sintering furnace of Nd-Fe-B - Google Patents
A kind of sintering vacuum sintering furnace of Nd-Fe-B Download PDFInfo
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- CN208671640U CN208671640U CN201821233012.9U CN201821233012U CN208671640U CN 208671640 U CN208671640 U CN 208671640U CN 201821233012 U CN201821233012 U CN 201821233012U CN 208671640 U CN208671640 U CN 208671640U
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- furnace
- sintering
- vacuum
- furnace body
- wall
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Abstract
The utility model provides a kind of sintering vacuum sintering furnace of Nd-Fe-B, including intermediate frequency power supply, vacuum pump, wire barrel, vacuum tube, furnace body, pedestal, bell, temperature measurer, water inlet pipe, water pump, outlet pipe and reservoir, the intermediate frequency power supply are connected with furnace body by wire barrel；The side of intermediate frequency power supply is arranged in the vacuum pump, and the vacuum pump is connected with furnace body by vacuum tube；The furnace body includes crucible, thermal insulation board, magnetic induction loop and furnace wall, and the crucible is fixed on the upper end of thermal insulation board in furnace body.The setting of the utility model vacuum pump, water pump and thermal insulation board, structure is simple, convenient for reducing the required maximum temperature of neodymium iron boron magnetic body sintering, reduces energy consumption, is convenient for marketing and application.
Description
Technical field
The utility model belongs to the sintering vacuum-sintering of high temperature sintering technique field more particularly to a kind of Nd-Fe-B
Furnace.
Background technique
Neodymium iron boron magnetic body is because having high magnetic energy product, coercivity and high-energy density, in modern industry and electronic technology
It is middle to obtain extremely wide application.Neodymium iron boron magnetic body generallys use powder metallurgical technique manufacture, generally comprises ingredient, and alloy is molten
Refining, hydrogen is broken, powder processed, magnetic field orientating, molding, waits static pressure, high temperature sintering, machining, the surface treatment in ageing treatment and later period
Etc. processes.
Wherein high temperature sintering needs to heat neodymium iron boron magnetic body to higher temperature, will not if be sintered under vacuum conditions
There are reacting between metal and gas, also without adsorbed gas influence, not only densify effect it is good, but also can play purification and
Reduction reduces sintering temperature and room temperature sintering than that can reduce by 100 degree to 150 degree, saves energy consumption, improve sintering furnace li`
With the neodymium iron boron magnetic body for obtaining high quality.
Therefore, the sintering vacuum sintering furnace for inventing a kind of Nd-Fe-B is very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of sintering vacuum sintering furnace of Nd-Fe-B,
To solve the problem of existing sintering furnace, there is sintering low efficiencys and energy consumption is high.A kind of sintering vacuum burning of Nd-Fe-B
Freezing of a furnace, including intermediate frequency power supply, vacuum pump, wire barrel, vacuum tube, furnace body, pedestal, bell, temperature measurer, water inlet pipe, water pump, water outlet
Pipe and reservoir, the intermediate frequency power supply are connected with furnace body by wire barrel；The one of intermediate frequency power supply is arranged in the vacuum pump
Side, and the vacuum pump is connected with furnace body by vacuum tube；The upside of vacuum tube is arranged in the wire barrel；The furnace body
It is placed on the top of pedestal；The bell is mounted on the top of furnace body, and the side of the bell is fixed with temperature measurer；It is described
One end of water inlet pipe be fixed on the side of furnace body, and the other end of water inlet pipe is connected with reservoir by water pump；Described goes out
The lower section of water inlet pipe is arranged in water pipe, and the outlet pipe is connected with furnace body and reservoir；
The furnace body includes crucible, thermal insulation board, magnetic induction loop and furnace wall, and the crucible is fixed on thermal insulation board in furnace body
Upper end；The magnetic induction loop is wrapped in the outside of crucible, and the both ends of the magnetic induction loop pass through furnace wall and enter wire barrel.
The furnace wall includes inner wall, cooling water race way and outer wall, and the inside of furnace wall is arranged in the inner wall；It is described
Cooling water race way setting between the inner walls and the outer.
The vacuum pump uses bipolar rotary-vane vaccum pump, and the inside of furnace body is connected to by vacuum tube, convenient for abstraction
The intracorporal gas of furnace makes to keep higher vacuum degree in furnace body, maximum temperature needed for advantageously reducing neodymium iron boron magnetic body sintering,
Reduce energy consumption.
The water pump uses centrifugal pump of horizontal axis, and the side of reservoir is arranged in, and stability is preferable, can will be in reservoir
Cooling water be sent into water inlet pipe, be conducive to cooling system keep stablize, prolong the service life.
The thermal insulation board uses the vacuum insulation panel of rectangle structure, is fixed between bottom of furnace body and crucible, avoids
Crucible in high temperature directly contacts the bottom of furnace body, damages furnace body, causes equipment fault, guarantees the use peace of vacuum sintering furnace
Entirely.
The cooling water race way is arranged in the inside of furnace wall, between inner and outer wall, and the cooling water circulation
Area is connected separately with water inlet pipe and outlet pipe, consequently facilitating the cooling water in reservoir completes circulation in cooling water race way,
To the heat distributed outside furnace body when reducing neodymium iron boron magnetic body sintering, worker safety is protected.
Compared with prior art, the utility model has the following beneficial effects:
1. the setting of the utility model vacuum pump makes to keep higher vacuum in furnace body convenient for the abstraction intracorporal gas of furnace
Degree, maximum temperature needed for advantageously reducing neodymium iron boron magnetic body sintering, reduces energy consumption.
2. the cooling water in reservoir can be sent into water inlet pipe, be conducive to cooling system by the setting of the utility model
It keeps stablizing, prolong the service life.
3. the setting of the thermal insulation board of the utility model avoids the crucible in high temperature from directly contacting the bottom of furnace body, furnace is damaged
Body causes equipment fault, guarantee vacuum sintering furnace using safe.
Detailed description of the invention
Fig. 1 is the agent structure schematic diagram of the utility model.
Fig. 2 is the furnace structure schematic diagram of the utility model.
Fig. 3 is the A-A enlarged structure schematic diagram of the utility model.
In figure:
1- intermediate frequency power supply, 2- vacuum pump, 3- wire barrel, 4- vacuum tube, 5- furnace body, 51- crucible, 52- thermal insulation board, 53- magnetic
Feel coil, the furnace wall 54-, 541- inner wall, 542- cooling water race way, 543- outer wall, 6- pedestal, 7- bell, 8- temperature measurer, 9- into
Water pipe, 10- water pump, 11- outlet pipe, 12- reservoir.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 to attached drawing 3
The utility model provides a kind of sintering vacuum sintering furnace of Nd-Fe-B, including intermediate frequency power supply 1, vacuum pump 2,
Wire barrel 3, vacuum tube 4, furnace body 5, pedestal 6, bell 7, temperature measurer 8, water inlet pipe 9, water pump 10, outlet pipe 11 and reservoir 12,
The intermediate frequency power supply 1 is connected with furnace body 5 by wire barrel 3；The side of intermediate frequency power supply 1, and institute is arranged in the vacuum pump 2
It states vacuum pump 2 and furnace body 5 is connected with by vacuum tube 4；The upside of vacuum tube 4 is arranged in the wire barrel 3；The furnace body 5
It is placed on the top of pedestal 6；The bell 7 is mounted on the top of furnace body 5, and the side of the bell 7 is fixed with temperature measurer
8；One end of the water inlet pipe 9 is fixed on the side of furnace body 5, and the other end of water inlet pipe 9 is connected with water storage by water pump 10
Pond 12；The lower section of water inlet pipe 9 is arranged in the outlet pipe 11, and the outlet pipe 11 is connected with furnace body 5 and reservoir 12；
The furnace body 5 includes crucible 51, thermal insulation board 52, magnetic induction loop 53 and furnace wall 54, and the crucible 51 is fixed on
The upper end of thermal insulation board 52 in furnace body 5；The magnetic induction loop 53 is wrapped in the outside of crucible 51, and the two of the magnetic induction loop 53
End enters wire barrel 3 across furnace wall 54.
The furnace wall 54 includes inner wall 541, cooling water race way 542 and outer wall 543, and the setting of inner wall 541 exists
The inside of furnace wall 54；The cooling water race way 542 is arranged between inner wall 541 and outer wall 543.
The vacuum pump 2 uses bipolar rotary-vane vaccum pump, and the inside of furnace body 5 is connected to by vacuum tube 4, convenient for taking out
Except the gas in furnace body 5, make to keep higher vacuum degree in furnace body 5, highest needed for advantageously reducing neodymium iron boron magnetic body sintering
Temperature reduces energy consumption.
The water pump 10 uses centrifugal pump of horizontal axis, the side of reservoir 12 is arranged in, stability is preferable, can be by water storage
Cooling water in pond 12 is sent into water inlet pipe 9, is conducive to cooling system and keeps stablizing, prolongs the service life.
The thermal insulation board 52 is fixed between 5 bottom of furnace body and crucible 51 using the vacuum insulation panel of rectangle structure,
The bottom for avoiding the directly contact furnace body 5 of crucible 51 in high temperature, damages furnace body, causes equipment fault, guarantee vacuum sintering furnace
Using safe.
The inside of furnace wall 54 is arranged in the cooling water race way 542, between inner wall 541 and outer wall 543, and it is described
Cooling water race way 542 is connected separately with water inlet pipe 9 and outlet pipe 11, consequently facilitating 12 cooling water is in cooling water in reservoir
Circulation is completed in race way 542, to the heat distributed outside furnace body, protection staff's peace when reducing neodymium iron boron magnetic body sintering
Entirely.
Working principle
In the utility model, user opens water pump 10 and vacuum pump 2, make water in reservoir 12 by water inlet pipe 9 into
Enter cooling water race way 542, reservoir 12 is being returned to by outlet pipe 11, is completing circulation, while vacuum pump 2 will be in furnace body 5
Air abstraction, forms vacuum, is then turned on intermediate frequency power supply 1, and magnetic induction loop 53, which is powered, obtains induced current, generates a large amount of heat,
Neodymium iron boron magnetic body in crucible 51 is sintered.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model
It encloses.
Claims (6)
1. a kind of sintering vacuum sintering furnace of Nd-Fe-B, it is characterised in that: including intermediate frequency power supply (1), vacuum pump (2),
Wire barrel (3), vacuum tube (4), furnace body (5), pedestal (6), bell (7), temperature measurer (8), water inlet pipe (9), water pump (10), water outlet
(11) and reservoir (12) are managed, the intermediate frequency power supply (1) is connected with furnace body (5) by wire barrel (3)；The vacuum pump
(2) setting is in the side of intermediate frequency power supply (1), and the vacuum pump (2) is connected with furnace body (5) by vacuum tube (4)；Described connects
Spool (3) is arranged in the upside of vacuum tube (4)；The furnace body (5) is placed on the top of pedestal (6)；Bell (7) peace
Temperature measurer (8) are fixed with mounted in the side on the top of furnace body (5), and the bell (7)；One end of the water inlet pipe (9) is solid
It is scheduled on the side of furnace body (5), and the other end of water inlet pipe (9) is connected with reservoir (12) by water pump (10)；The water outlet
It manages (11) to be arranged in the lower section of water inlet pipe (9), and the outlet pipe (11) is connected with furnace body (5) and reservoir (12)；
The furnace body (5) includes crucible (51), thermal insulation board (52), magnetic induction loop (53) and furnace wall (54), the crucible
(51) it is fixed on the upper end of furnace body (5) interior thermal insulation board (52)；The magnetic induction loop (53) is wrapped in the outside of crucible (51), and
The both ends of the magnetic induction loop (53) pass through furnace wall (54) and enter wire barrel (3).
2. the sintering vacuum sintering furnace of Nd-Fe-B as described in claim 1, it is characterised in that: the furnace wall (54)
Including inner wall (541), cooling water race way (542) and outer wall (543), the inner wall (541) is arranged in the interior of furnace wall (54)
Side；The cooling water race way (542) is arranged between inner wall (541) and outer wall (543).
3. the sintering vacuum sintering furnace of Nd-Fe-B as described in claim 1, it is characterised in that: the vacuum pump
(2) bipolar rotary-vane vaccum pump is used, the inside of furnace body (5) is connected to by vacuum tube (4).
4. the sintering vacuum sintering furnace of Nd-Fe-B as described in claim 1, it is characterised in that: the water pump (10)
Using centrifugal pump of horizontal axis, it is arranged in the side of reservoir (12).
5. the sintering vacuum sintering furnace of Nd-Fe-B as described in claim 1, it is characterised in that: the thermal insulation board
(52) vacuum insulation panel for using rectangle structure, is fixed between furnace body (5) bottom and crucible (51).
6. the sintering vacuum sintering furnace of Nd-Fe-B as claimed in claim 2, it is characterised in that: the cooling water follows
Ring region (542) is arranged between the inside of furnace wall (54), inner wall (541) and outer wall (543), and the cooling water race way
(542) water inlet pipe (9) and outlet pipe (11) are connected separately with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233012.9U CN208671640U (en) | 2018-08-02 | 2018-08-02 | A kind of sintering vacuum sintering furnace of Nd-Fe-B |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821233012.9U CN208671640U (en) | 2018-08-02 | 2018-08-02 | A kind of sintering vacuum sintering furnace of Nd-Fe-B |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208671640U true CN208671640U (en) | 2019-03-29 |
Family
ID=65832251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821233012.9U Active CN208671640U (en) | 2018-08-02 | 2018-08-02 | A kind of sintering vacuum sintering furnace of Nd-Fe-B |
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| Country | Link |
|---|---|
| CN (1) | CN208671640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021062655A1 (en) * | 2019-09-30 | 2021-04-08 | 江西荧光磁业有限公司 | New-type vacuum sintering furnace for neodymium iron boron sintering |
-
2018
- 2018-08-02 CN CN201821233012.9U patent/CN208671640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021062655A1 (en) * | 2019-09-30 | 2021-04-08 | 江西荧光磁业有限公司 | New-type vacuum sintering furnace for neodymium iron boron sintering |
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