CN207702962U - A kind of magnet vacuum sintering furnace - Google Patents
A kind of magnet vacuum sintering furnace Download PDFInfo
- Publication number
- CN207702962U CN207702962U CN201820025993.1U CN201820025993U CN207702962U CN 207702962 U CN207702962 U CN 207702962U CN 201820025993 U CN201820025993 U CN 201820025993U CN 207702962 U CN207702962 U CN 207702962U
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- China
- Prior art keywords
- flue
- furnace
- furnace shell
- sintering furnace
- fire door
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Abstract
The utility model discloses a kind of magnet vacuum sintering furnaces, including feeding rack and sintering furnace；Feeding rack includes two fixed guide rails being arranged in parallel on the ground；Fixed guide rail is slidably connected with side link, and side link can be moved along fixed guide rail, and be fixed using the support of the holder of both sides；Charging yoke is fixedly connected on side link；Sintering furnace includes furnace shell and flue；It is equipped on furnace shell and flue and vacuumizes nozzle；It is provided with calandria on flue madial wall, insulating is equipped between flue and furnace shell, insulating keeps gap with furnace shell inner surface；Material rack is arranged in flue bottom, and the height and charging yoke of rack are highly consistent；The rear and front end of sintering furnace is respectively arranged with preceding fire door, rear fire door.The utility model makes the technical process of feeding, sintering, cooling realize mechanization, automation, and in the whole process so that device structure is stablized, the magnet structure of sintering is stablized, and quality is effectively promoted.
Description
Technical field
The utility model belongs to sintering furnace technical field, and in particular to a kind of magnet vacuum sintering furnace.
Background technology
In process of production, neodymium iron boron blank will make magnet shrink and be densified to neodymium iron boron magnetic body by vacuum-sintering, from
And density and every magnetic property is made to reach requirement.The side of interior heating can be used in the sintering furnace for being currently used for neodymium iron boron magnetic body processing
Formula, heating element are located at heating room surrounding, good heat conduction are cannot achieve by way of gaseous exchange and conduction so that stove
Interior each region temperature difference is larger, causes the magnetic property gap of whole stove product excessively apparent so that production, which is not achieved, in final products wants
It asks.In addition, in use, since the heating element heats temperature in cylinder madial wall is consistent, and heating power can be to cylinder
Madial wall by close over rises aggregation, causes the heating temperature of the madial wall of cylinder inconsistent, upper relative superiority or inferiority bottom, not only waste heat
Power resource, and it is difficult to ensure the magnetic property coherence request of neodymium iron boron magnetic body, reduce sintering efficiency.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provide it is a kind of can continue keep stove in vacuum degree and
Heating temperature uniformity is good, furnace temperature cooling block magnet vacuum sintering furnace.
The technical solution adopted in the utility model is：A kind of magnet vacuum sintering furnace, including feeding rack and sintering furnace；Institute
It includes two fixed guide rails being arranged in parallel on the ground to state feeding rack；The fixed guide rail is slidably connected with side link, frame linking
Bar can be moved along fixed guide rail, and be fixed using the support of the holder of both sides；Charging yoke is fixedly connected on the side link；
The sintering furnace includes furnace shell and flue；It is equipped on the furnace shell and flue and vacuumizes nozzle；In the flue
Calandria is provided on side wall；Insulating, the insulating and table in furnace shell are equipped between the flue and furnace shell
Face keeps gap；Material rack is arranged in the flue bottom, and the height and charging yoke of the rack are highly consistent；
The rear and front end of the sintering furnace is respectively arranged with preceding fire door, rear fire door；Before the side of the preceding fire door and furnace shell
The side at end is hinged, and the other side of the preceding fire door other side and furnace shell front end snaps connection, the contact of preceding fire door and furnace shell front end
Vaccum seal ring is provided on face；Fire door is fixedly connected with the back-end sealing of furnace shell after described.
Further, be additionally provided on the sintering furnace communicated respectively at the space in flue, between flue and furnace shell it is cold
But inert gas input pipe mouth.
Further, the flue is cuboid or cylindrical shape, and the equally spaced multiple temperature of setting pass in the flue
Sensor.
Further, the sintering furnace is connected with the controller of situation in display stove.
The utility model has the beneficial effects that：By being vacuumized to the gap in flue and between furnace shell and flue, effectively
The pressure difference inside and outside flue is reduced, and insulating is set between flue and furnace shell, sintering temperature can greatly improve；Setting
Cooling inert gas input pipe mouth, achievees the purpose that be quickly cooled down using inert gas；By sintering furnace side be arranged into
Rack may be implemented conveniently to feed, and can effectively ensure the accuracy and regularity of magnet feed entrance point so that send
Material is sintered, cooling technical process realization mechanization, automates, and in the whole process so that device structure stabilization, sintering
Magnet structure stablize, quality effectively promoted.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is structural schematic diagram when the utility model is fed.
In figure：1, feeding rack, 2, sintering furnace, 3, side link, 4, charging yoke, 5, fixed guide rail, 6, furnace shell, 7, heat-insulated guarantor
Warm layer, 8, calandria, 9, temperature sensor, 10, preceding fire door, 11, flue, 12, rack, 13, rear fire door.
Specific implementation mode
It is further to the utility model below in conjunction with the accompanying drawings in order to be more clearly understood that the technical solution of the utility model
Explanation.
A kind of magnet vacuum sintering furnace as depicted in figs. 1 and 2, including feeding rack 1 and sintering furnace 2；The feeding rack 1
Including two fixed guide rails 5 on the ground are arranged in parallel；The fixed guide rail 5 is slidably connected with side link 3, and side link 3 can
It moves along fixed guide rail 5, and is fixed using the support of the holder of both sides；Charging yoke 4 is fixedly connected on the side link 3；It is described
The length of flue 11 need to be more than by feeding the length of yoke 4, ensure that magnet blank can be placed in 11 rear portion of flue when charging；
The sintering furnace 2 includes furnace shell 6 and flue 11；It is equipped on the furnace shell 6 and flue 11 and vacuumizes nozzle, utilized
The gap in flue 11 between flue 11 and furnace shell 6 can be vacuumized by vacuumizing nozzle, and reduction 11 external and internal pressure of flue is poor, prevents
Only deformation is used for a long time in flue 11；It is provided with calandria 8 on 11 madial wall of the flue, ensures homogeneous heating；The flue 11
Insulating 7 is equipped between furnace shell 6, the insulating 7 keeps gap with 6 inner surface of furnace shell；11 bottom of the flue
Material rack 12 is arranged in portion, is used to support the magnet blank being sintered, and the height and charging yoke 4 of the rack 12 are highly consistent,
Convenient for charging；
The rear and front end of the sintering furnace 2 is respectively arranged with preceding fire door 10, rear fire door 13；The side of the preceding fire door 10 with
The side of 6 front end of furnace shell is hinged, and 10 other side of preceding fire door and the other side of 6 front end of furnace shell snap connection, preceding fire door 10 and stove
It is provided with vaccum seal ring on the contact surface of 6 front end of shell；Fire door 13 is fixedly connected with the back-end sealing of furnace shell 6 after described；It is described
Middle part on preceding fire door 10 and rear fire door 13 can be equipped with fire door temperature sensor, and insulating layer is provided on the inside of fire door, improves heat preservation
Effect shortens heating time.
Preferably, it is additionally provided on the sintering furnace 2 in flue 11, flue 11 is communicated with the space between furnace shell 6
Cooling inert gas input pipe mouth, completely cut off air using inert gas, and realize and be quickly cooled down, reduce magnet sintering it is cooling when
Between, improve sintering efficiency.
Preferably, the flue 11 is cuboid or cylindrical shape, the equally spaced multiple temperature of setting in the flue 11
Sensor 9 ensures that each region temperature is consistent in flue 11, it is ensured that magnet is heated evenly, and improves magnet sintering quality.
Preferably, the sintering furnace 2 is connected with the controller of situation in display stove, in real time to temperature in sintering furnace 2,
Vacuum degree etc. is monitored.
Operation principle：Device is in use, gap of the evacuated nozzle between flue 11, flue 11 and furnace shell 6 is taken out very
Then sky is filled with inert gas from cooling inert gas input pipe mouth；By magnet blank to be sintered pile up with charging basket in, through charging
Yoke 4 is placed on rack 12, is closed fire door, is vacuumized and heat again；It waits for reaching required vacuum degree in flue 11, into stove
It is filled with inert gas, blank is made to be sintered under the atmosphere of protective gas；After completing sintering, pass through cooling inert gas input pipe mouth
Cooling inert gas is inputted to 11 interior or exterior space of flue, takes out sintered finished product through feeding yoke 4 after being quickly cooled down.
The utility model is effectively reduced by being vacuumized to the gap in flue and between furnace shell and flue inside and outside flue
Pressure difference, and insulating is set between flue and furnace shell, sintering temperature can greatly improve；The cooling inert gas of setting is defeated
Enter nozzle, achievees the purpose that be quickly cooled down using inert gas；By the way that feeding rack, the side of may be implemented is arranged in sintering furnace side
Just it efficiently feeds, and can effectively ensure the accuracy and regularity of magnet feed entrance point so that feeding, sintering, cooling
Technical process realizes mechanization, automation, and in the whole process so that device structure is stablized, the magnet structure of sintering is steady
Fixed, quality is effectively promoted.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (4)
1. a kind of magnet vacuum sintering furnace, it is characterised in that：Including feeding rack（1）And sintering furnace（2）；The feeding rack（1）
Including two fixed guide rails on the ground are arranged in parallel（5）；The fixed guide rail（5）With side link（3）It is slidably connected, frame linking
Bar（3）It can be along fixed guide rail（5）It is mobile, and fixed using the support of the holder of both sides；The side link（3）On be fixedly connected with charging
Yoke（4）；
The sintering furnace（2）Including furnace shell（6）And flue（11）；The furnace shell（6）And flue（11）On be equipped with vacuum-pumping tube
Mouthful；The flue（11）Calandria is provided on madial wall（8）；The flue（11）And furnace shell（6）Between be equipped with heat-insulation and heat-preservation
Layer（7）, the insulating（7）With furnace shell（6）Inner surface keeps gap；The flue（11）Material rack is arranged in bottom
（12）, the rack（12）Height with charging yoke（4）It is highly consistent；
The sintering furnace（2）Rear and front end be respectively arranged with preceding fire door（10）, rear fire door（13）；The preceding fire door（10）One
Side and furnace shell（6）The side of front end is hinged, preceding fire door（10）The other side and furnace shell（6）The other side of front end snaps connection, preceding
Fire door（10）With furnace shell（6）It is provided with vaccum seal ring on the contact surface of front end；Fire door after described（13）With furnace shell（6）Rear end
It is sealedly and fixedly connected.
2. magnet vacuum sintering furnace according to claim 1, it is characterised in that：The sintering furnace（2）On be additionally provided with point
Not in flue（11）Interior, flue（11）With furnace shell（6）Between the cooling inert gas input pipe mouth that communicates of space.
3. magnet vacuum sintering furnace according to claim 1, it is characterised in that：The flue（11）For cuboid or
Cylindrical shape, the flue（11）The interior equally spaced multiple temperature sensors of setting（9）.
4. magnet vacuum sintering furnace according to claim 1, it is characterised in that：The sintering furnace（2）It is connected with display
The controller of situation in stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025993.1U CN207702962U (en) | 2018-01-08 | 2018-01-08 | A kind of magnet vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025993.1U CN207702962U (en) | 2018-01-08 | 2018-01-08 | A kind of magnet vacuum sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207702962U true CN207702962U (en) | 2018-08-07 |
Family
ID=63034624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820025993.1U Expired - Fee Related CN207702962U (en) | 2018-01-08 | 2018-01-08 | A kind of magnet vacuum sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207702962U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827435A (en) * | 2019-01-17 | 2019-05-31 | 苏州普热斯勒先进成型技术有限公司 | Scale-free heating furnace and its application method, multiple hearth scale-free heating furnace |
| CN112038084A (en) * | 2020-09-08 | 2020-12-04 | 安徽万磁电子有限公司 | Sintering process for magnet production |
| CN112414141A (en) * | 2020-11-26 | 2021-02-26 | 东莞市中汉磁材科技有限公司 | Sintering furnace for producing strong magnetic products and using method thereof |
| CN116399128A (en) * | 2023-04-06 | 2023-07-07 | 合肥陶陶新材料科技有限公司 | Uniform atmosphere adjusting system for sintering furnace |
| CN117091398A (en) * | 2023-10-17 | 2023-11-21 | 太原开元智能装备有限公司 | Tubular induction heating sintering furnace |
-
2018
- 2018-01-08 CN CN201820025993.1U patent/CN207702962U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827435A (en) * | 2019-01-17 | 2019-05-31 | 苏州普热斯勒先进成型技术有限公司 | Scale-free heating furnace and its application method, multiple hearth scale-free heating furnace |
| CN112038084A (en) * | 2020-09-08 | 2020-12-04 | 安徽万磁电子有限公司 | Sintering process for magnet production |
| CN112414141A (en) * | 2020-11-26 | 2021-02-26 | 东莞市中汉磁材科技有限公司 | Sintering furnace for producing strong magnetic products and using method thereof |
| CN116399128A (en) * | 2023-04-06 | 2023-07-07 | 合肥陶陶新材料科技有限公司 | Uniform atmosphere adjusting system for sintering furnace |
| CN116399128B (en) * | 2023-04-06 | 2023-12-08 | 合肥陶陶新材料科技有限公司 | Uniform atmosphere adjusting system for sintering furnace |
| CN117091398A (en) * | 2023-10-17 | 2023-11-21 | 太原开元智能装备有限公司 | Tubular induction heating sintering furnace |
| CN117091398B (en) * | 2023-10-17 | 2024-01-19 | 太原开元智能装备有限公司 | Tubular induction heating sintering furnace |
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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: 20180807 Termination date: 20190108 |