CN105115187B - Integrated heating and refrigerating device used for permanent magnet powder - Google Patents
Integrated heating and refrigerating device used for permanent magnet powder Download PDFInfo
- Publication number
- CN105115187B CN105115187B CN201510601114.6A CN201510601114A CN105115187B CN 105115187 B CN105115187 B CN 105115187B CN 201510601114 A CN201510601114 A CN 201510601114A CN 105115187 B CN105115187 B CN 105115187B
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- refrigerating device
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- internal layer
- layer cylinder
- permanent magnet
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Abstract
The invention discloses an integrated heating and refrigerating device used for permanent magnet powder. The integrated heating and refrigerating device comprises an inner furnace tube, an outer gear ring, a gear, a motor, a heating layer, an upper closing cover, a vacuum pump, a thermocouple and an air valve. The integrated heating and refrigerating device is an annular sleeve which is placed in an inclined mode and provided with two jackets, the first jacket is a heating device, and the second jacket is a refrigerating device. The temperature increase and decrease steps of the permanent magnet powder are combined into a whole through the device, the complex step of adding materials repeatedly is omitted, the heating and refrigerating technology steps of the permanent magnet powder are free of intermittence and continuous, the production steps are simplified, the probability of contact between the permanent magnet powder and oxygen is lowered, and the integrated heating and refrigerating device is suitable for being produced on a large scale and simple in technology and guarantees production continuation and high efficiency.
Description
Technical field
The present invention relates to permanent magnet powder preparation field, more particularly to a kind of integral type heating for permanent magnet powder
Refrigerating plant.
Background technology
Nd-Fe-B permanent magnet is widely used in the hardware driving equipment of computer, various household electrical appliance, electroacoustic equipment, many
Media device, electronic instrument and meter, Medical Devices, industrial motor, wind-driven generator and automobile sensor, electric automobile
With the motor of hybrid vehicle etc., have become the indispensable critical function material of modern industry and socio-economic development
Material.
At present, mostly permanent magnet powder is first heated using separate device and is freezed afterwards.But, due to permanent magnet powder
Contain rare earth element in end, it is easy to be oxidized.In reality, the independent thermal refrigerating device that adds makes permanent magnet powder in moving process
In be easily oxidized and deteriorate permanent magnetism performance.In addition, separate device makes preparation, production technology become loaded down with trivial details, increase
Task amount.
The content of the invention
It is an object of the invention to provide a kind of for permanent magnet powder heating, the device of refrigerating integrated, the device can make
Permanent magnet powder heats free of discontinuities, the serialization with refrigeration process step, simplifies production stage, reduces permanent magnet powder and oxygen
The chance of contact, it is adaptable to a large amount of productions.
Therefore, the technical scheme is that as follows：
A kind of integral type for permanent magnet powder adds thermal refrigerating device, including：Interior boiler tube, external toothing, gear, motor,
Zone of heating, upper closure lid, vavuum pump, thermocouple and air valve；
It is a slant setting and with the annulus of two chucks, the first chuck that the integral type adds thermal refrigerating device
Be the airtight cavity that surrounded by the first outer layer cylinder and the first internal layer cylinder and in the airtight cavity filled with insulation material and heating
Layer；
Second chuck is the airtight cavity surrounded by the second outer layer cylinder and the second internal layer cylinder, in the top of second chuck
And be provided with circulating outlet at the first chuck, in the lower section of second chuck and away from be provided with the first chuck circulate into
The mouth of a river；
The bottom of first chuck is weldingly connected with the top of the second chuck；
The Inner boiler tubes are outer with Inner boiler tubes respectively for the inwall of a single layer cylinder, the first internal layer cylinder and the second internal layer cylinder
Wall is connected by bearing, wherein, Inner boiler tubes stretch out from above the first internal layer cylinder and stretch out from below the second internal layer cylinder；
The Inner furnace tube outer walls stretched out from the first internal layer cylinder top are radially provided with external toothing, and the external toothing is nibbled with the gear
Close, the gear is connected with motor, for driving Inner boiler tubes to rotate；
The top surface of the Inner boiler tubes is provided with closure lid, and the center of the upper closure lid is provided with a hole, and the hole leads to
Cross pipeline to be connected with the vavuum pump；The thermocouple is through upper closure lid and end of probe is located in the first internal layer barrel, is used for
Detect the temperature in the first internal layer barrel；
The bottom surface of the interior boiler tube is provided with lower closure lid, and the lower closure is covered and is provided with an air inlet, on the air inlet
It is provided with air valve.
Preferably, the zone of heating includes：Electric furnace heating wire groove and electric furnace heating wire, the electric furnace heating wire is spirally wound on the electric furnace
In silk groove.
Preferably, described plus thermal refrigerating device is 45-60 degree with the angle of level.
Preferably, the integral type adds thermal refrigerating device also to include：Big bracing frame and little bracing frame, the big bracing frame
It is weldingly connected with the top side of the first chuck, the little bracing frame is weldingly connected with the lower section side of the second chuck, for inclining
It is tiltedly described to add thermal refrigerating device
The heating of permanent magnet powder and heat sink are combined to one by the device, it is to avoid the tedious steps for repeatedly feeding,
Simple structure, it is ensured that the continuity and high efficiency of production.
Description of the drawings
Fig. 1 is the present invention plus thermal refrigerating device structural representation；
Fig. 2 is the mplifying structure schematic diagram of the present invention plus thermal refrigerating device insulation material and zone of heating；
Fig. 3 is invention plus thermal refrigerating device partial structurtes enlarged diagram.
Wherein, 1 is the first outer layer barrel, and 2 is the first internal layer barrel, and 3 is the first chuck, and 4 is circulating outlet, and 5 is the
Two internal layer barrels, 6 is the second outer layer barrel, and 7 is the second chuck, and 8 are lower closure lid, and 9 is air valve, and 10 is little bracing frame, and 11 are
Circulation water inlet, 12 is big bracing frame, and 13 is vavuum pump, and 14 is hole, and 15 is thermocouple, and 16 are upper closure lid, and 17 is external toothing,
18 is gear, and 19 is motor, and 20 is Inner boiler tubes, and 21 is electric furnace heating wire groove, and 22 is electric furnace heating wire, and 23 is insulation material.
Specific embodiment
Thermal refrigerating device is added to be described in detail the integral type for permanent magnet powder of the present invention below in conjunction with the accompanying drawings.
Such as Fig. 1-3, a kind of integral type for permanent magnet powder adds thermal refrigerating device, and the integral type adds the thermal refrigerating device to be
One slant setting and with the annulus of two chucks, the first chuck 3 is to be enclosed by the first outer layer cylinder 1 and the first internal layer cylinder 2
Into airtight cavity and in the airtight cavity filled with insulation material 23 and zone of heating.Zone of heating includes：The He of electric furnace heating wire groove 20
Electric furnace heating wire 21, the electric furnace heating wire 21 is spirally wound in the electric furnace heating wire groove 20, wherein, the temperature of the heating of electric furnace heating wire 21 is 550
℃。
Second chuck 7 is the airtight cavity surrounded by the second outer layer cylinder 6 and the second internal layer cylinder 5, in second chuck 7
Top and circulating outlet 4 is provided with the first chuck, in the lower section of second chuck and away from being provided with the first chuck
Circulation water inlet 11.Normal-temperature water can be entered by circulation water inlet 11, be flowed in the second airtight cavity, and in circulating outlet
4 flow out, and make the permanent magnet powder temperature after heating be reduced to room temperature.
The bottom of the first chuck is weldingly connected with the top of the second chuck.
Inner boiler tubes 20 are outer with Inner stoves 2 respectively for the inwall of a single layer cylinder, the first internal layer cylinder 2 and the second internal layer cylinder 5
Wall is connected by bearing, wherein, Inner boiler tubes stretch out from above the first internal layer cylinder and stretch out from below the second internal layer cylinder；From
The Inner furnace tube outer walls that one internal layer cylinder top is stretched out are radially provided with external toothing 17, and the external toothing 17 is engaged with the gear 18, institute
State gear 18 to be connected with motor 19, for driving Inner boiler tubes 20 to rotate；
The top surface of the Inner boiler tubes 20 is provided with closure lid 16, and the center of the upper closure lid 16 is provided with a hole 14,
The hole 14 is connected by pipeline with the vavuum pump 13, adds thermal refrigerating device to vacuumize described in 13 pairs, vavuum pump, is prevented
Permanent magnet powder is aoxidized.The thermocouple 15 is through upper closure lid 16 and end of probe is located in the first internal layer barrel, and the other end connects
Jointing temp recorder (is not drawn into) in figure, for detecting the temperature in Inner boiler tubes 20.
The bottom surface of the interior boiler tube 20 is provided with lower closure lid 8, and the lower closure lid 8 is provided with an air inlet, the air inlet
Mouth is provided with air valve 9.
The big bracing frame 12 is weldingly connected with the upper end of furnace tubing 3, under the little bracing frame 10 and refrigeration boiler tube 7
End is weldingly connected, for described plus thermal refrigerating device to be inclined into 50 degree.
Permanent magnet powder is put in this plus thermal refrigerating device from upper closure lid 16, and lid 16 and lower closure lid 8 are closed in closing,
Vavuum pump 13 is opened, vavuum pump pair plus thermal refrigerating device are vacuumized, the rotation and permanent magnet powder with Inner boiler tubes 20
The gravity of itself, permanent magnet powder successively can carry out heating and the second chuck 7 and carry out fast cooling by the first chuck 3, realize
To fast cooling after the first heating of permanent magnet powder.After permanent magnet powder cooling is finished, air valve 9 is opened, recover Inner boiler tubes 20
Interior air pressure.
Claims (4)
1. a kind of integral type for permanent magnet powder adds thermal refrigerating device, it is characterised in that include：Interior boiler tube, external toothing, tooth
Wheel, motor, zone of heating, upper closure lid, vavuum pump, thermocouple and air valve；
It is a slant setting and with the annulus of two chucks that the integral type adds thermal refrigerating device, and the first chuck is served as reasons
Airtight cavity that first outer layer cylinder and the first internal layer cylinder are surrounded and in the airtight cavity filled with insulation material and zone of heating；
Second chuck is the airtight cavity surrounded by the second outer layer cylinder and the second internal layer cylinder, in the top of second chuck and is leaned on
Circulating outlet is provided with nearly first chuck, is intake in the lower section of second chuck and away from circulation is provided with the first chuck
Mouthful；
The bottom of first chuck is weldingly connected with the top of the second chuck；
The Inner boiler tubes lead to respectively for the inwall of a single layer cylinder, the first internal layer cylinder and the second internal layer cylinder with the outer wall of Inner boiler tubes
Cross bearing to connect, wherein, Inner boiler tubes stretch out from above the first internal layer cylinder and stretch out from below the second internal layer cylinder；
The Inner furnace tube outer walls stretched out from the first internal layer cylinder top are radially provided with external toothing, and the external toothing is engaged with the gear,
The gear is connected with motor, for driving Inner boiler tubes to rotate；
The top surface of the Inner boiler tubes is provided with closure lid, and the center of the upper closure lid is provided with a hole, and the hole is by pipe
Road is connected with the vavuum pump；The thermocouple is through upper closure lid and end of probe is located in the first internal layer barrel, for detecting
Temperature in first internal layer barrel；
The bottom surface of the interior boiler tube is provided with lower closure lid, and the lower closure is covered and is provided with an air inlet, and the air inlet is provided with
Air valve.
2. integral type according to claim 1 adds thermal refrigerating device, it is characterised in that the zone of heating includes：Electric furnace heating wire
Groove and electric furnace heating wire, the electric furnace heating wire is spirally wound in the electric furnace heating wire groove.
3. integral type according to claim 1 adds thermal refrigerating device, it is characterised in that described plus thermal refrigerating device and level
Angle be 45-60 degree.
4. integral type according to claim 2 adds thermal refrigerating device, it is characterised in that the integral type adds thermal refrigerating device
Also include：Big bracing frame and little bracing frame, the big bracing frame is weldingly connected with the top side of the first chuck, the little support
Frame is weldingly connected with the lower section side of the second chuck, for inclining described plus thermal refrigerating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510601114.6A CN105115187B (en) | 2015-09-18 | 2015-09-18 | Integrated heating and refrigerating device used for permanent magnet powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510601114.6A CN105115187B (en) | 2015-09-18 | 2015-09-18 | Integrated heating and refrigerating device used for permanent magnet powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105115187A CN105115187A (en) | 2015-12-02 |
| CN105115187B true CN105115187B (en) | 2017-05-10 |
Family
ID=54663235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510601114.6A Active CN105115187B (en) | 2015-09-18 | 2015-09-18 | Integrated heating and refrigerating device used for permanent magnet powder |
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| Country | Link |
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| CN (1) | CN105115187B (en) |
Citations (10)
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|---|---|---|---|---|
| JPH09157701A (en) * | 1995-12-01 | 1997-06-17 | Daido Steel Co Ltd | Heat treatment of metallic powder and heat treatment apparatus |
| EP0756580B1 (en) * | 1994-04-22 | 2000-07-19 | Rutgers, The State University Of New Jersey | Method and apparatus for producing nanostructured ceramic powders and whiskers |
| JP2003173907A (en) * | 2001-12-04 | 2003-06-20 | Daido Steel Co Ltd | METHOD OF MANUFACTURING SmFeN-BASED POWDERY MAGNET MATERIAL |
| CN1622237A (en) * | 2003-11-28 | 2005-06-01 | Tdk株式会社 | Method and device for producing alloy powder for permanent magnet |
| JP2011157591A (en) * | 2010-02-01 | 2011-08-18 | Toyota Motor Corp | Method for producing powder for dust core and apparatus for producing powder for dust core |
| CN202442584U (en) * | 2012-02-17 | 2012-09-19 | 王长春 | Rotary reduction furnace |
| CN103192084A (en) * | 2013-05-05 | 2013-07-10 | 沈阳中北真空磁电科技有限公司 | Rotary vacuum heat treatment equipment |
| WO2014058218A1 (en) * | 2012-10-10 | 2014-04-17 | 한국기계연구원 | Method for controlling hydrogen desorption-recombination step in hddr process, method for manufacturing rare earth-iron-boron-based rare earth magnetic powder including hydrogen desorption-recombination step, and accordingly manufactured rare earth-iron-boron-based rare earth magnetic powder |
| CN104040654A (en) * | 2012-01-19 | 2014-09-10 | 日立金属株式会社 | Method for producing r-t-b sintered magnet |
| CN205079497U (en) * | 2015-09-18 | 2016-03-09 | 天津阜昭合金材料有限公司 | A integral type heating and refrigerating device for permanent magnet powder |
-
2015
- 2015-09-18 CN CN201510601114.6A patent/CN105115187B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0756580B1 (en) * | 1994-04-22 | 2000-07-19 | Rutgers, The State University Of New Jersey | Method and apparatus for producing nanostructured ceramic powders and whiskers |
| JPH09157701A (en) * | 1995-12-01 | 1997-06-17 | Daido Steel Co Ltd | Heat treatment of metallic powder and heat treatment apparatus |
| JP2003173907A (en) * | 2001-12-04 | 2003-06-20 | Daido Steel Co Ltd | METHOD OF MANUFACTURING SmFeN-BASED POWDERY MAGNET MATERIAL |
| CN1622237A (en) * | 2003-11-28 | 2005-06-01 | Tdk株式会社 | Method and device for producing alloy powder for permanent magnet |
| JP2011157591A (en) * | 2010-02-01 | 2011-08-18 | Toyota Motor Corp | Method for producing powder for dust core and apparatus for producing powder for dust core |
| CN104040654A (en) * | 2012-01-19 | 2014-09-10 | 日立金属株式会社 | Method for producing r-t-b sintered magnet |
| CN202442584U (en) * | 2012-02-17 | 2012-09-19 | 王长春 | Rotary reduction furnace |
| WO2014058218A1 (en) * | 2012-10-10 | 2014-04-17 | 한국기계연구원 | Method for controlling hydrogen desorption-recombination step in hddr process, method for manufacturing rare earth-iron-boron-based rare earth magnetic powder including hydrogen desorption-recombination step, and accordingly manufactured rare earth-iron-boron-based rare earth magnetic powder |
| CN103192084A (en) * | 2013-05-05 | 2013-07-10 | 沈阳中北真空磁电科技有限公司 | Rotary vacuum heat treatment equipment |
| CN205079497U (en) * | 2015-09-18 | 2016-03-09 | 天津阜昭合金材料有限公司 | A integral type heating and refrigerating device for permanent magnet powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105115187A (en) | 2015-12-02 |
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Address after: 300380 Tianjin Xiqing Automobile Industrial Zone (Zhangjiawo Industrial Zone) District 9, Fengze Road Patentee after: Tianjin Jinhai Magnetism Co., Ltd. Address before: 300380 West Qing Auto Industrial Zone, Xiqing District, Tianjin (Zhangjiawo Industrial Zone) No. 9, Fengze Road, District 4 Patentee before: TIANJIN FUZHAO ALLOY MATERIAL CO., LTD. |