CN110081705A - Vacuum sintering furnace is used in a kind of processing of neodymium iron boron magnetic body - Google Patents
Vacuum sintering furnace is used in a kind of processing of neodymium iron boron magnetic body Download PDFInfo
- Publication number
- CN110081705A CN110081705A CN201910346645.3A CN201910346645A CN110081705A CN 110081705 A CN110081705 A CN 110081705A CN 201910346645 A CN201910346645 A CN 201910346645A CN 110081705 A CN110081705 A CN 110081705A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- pipe
- outer housing
- furnace body
- iron boron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 23
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000000872 buffer Substances 0.000 claims description 33
- 230000017525 heat dissipation Effects 0.000 claims description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of neodymium iron boron magnetic body processing vacuum sintering furnace, including furnace body and outer housing, the middle inside of the furnace body is fixedly connected with agitating shaft, the two sides up and down of agitating shaft are fixedly connected to fixed block, paddle has been bolted to connection on the outside of fixed block, the end of paddle is fixedly connected with stirring rod, the right end of furnace body is provided with fire door, outer housing is fixedly connected on the outside of furnace body, the left side central portion of outer housing is fixedly installed with rotating electric machine, the output end of rotating electric machine is fixedly connected with agitating shaft, winding is provided with cooling water pipe on the lateral surface of furnace body, water inlet pipe is connected on cooling water pipe, the configuration of the present invention is simple, design is reasonable, reaction in furnace is more uniform, reaction efficiency is high, it is sintered efficiency and quality is also higher, device being capable of rapid cooling simultaneously, facilitate material quick tapping, in addition the present apparatus is by reducing from vertical With the vibration of horizontal direction, the service life of device can be extended.
Description
Technical field
The present invention relates to a kind of vacuum sintering furnace, vacuum sintering furnace is used in especially a kind of neodymium iron boron magnetic body processing.
Background technique
Neodium magnet is also referred to as ndfeb magnet, is the tetragonal crystal formed by neodymium, iron, boron, the magnetic energy of this magnet
Product is greater than samarium cobalt magnet, and magnet is the permanent magnet for being only second to absolute zero holmium magnet magnetic now and most-often used dilute
Native magnet.Ndfeb magnet is widely used in electronic product, such as hard disk, mobile phone, earphone and battery-powered work
Tool etc..
Neodymium iron boron magnetic body is needed in process using to vacuum sintering furnace, the agitating device of modern vacuum sintering furnace
It typically places vertically, causes gas in interior laminate layer, gas is unevenly distributed, the sintering reaction effect for needing gas to participate in
Rate is low, is high temperature in furnace body in addition during the sintering process, after sintering is completed, lacks effective cooling measure, if directly
Fire door cooling is opened, is easy to cause reactant to encounter steam dampness oxidation, lacks shock-absorbing further with the sintering furnace of agitating device
Measure causes the service life of device to decline.
Summary of the invention
The present invention is intended to provide vacuum sintering furnace is used in a kind of neodymium iron boron magnetic body processing.
To achieve the above object, the invention provides the following technical scheme: a kind of neodymium iron boron magnetic body, which is processed, uses vacuum sintering furnace,
Including furnace body, outer housing, upper backup pad, lower supporting plate and pedestal, the middle inside of the furnace body is fixedly connected with agitating shaft, stirs
The two sides up and down for mixing axis are fixedly connected to fixed block, and paddle, paddle have been bolted to connection on the outside of fixed block
End be fixedly connected with stirring rod, the right end of furnace body is provided with fire door；Outer housing is fixedly connected on the outside of the furnace body, outside
The left side central portion of shell is fixedly installed with rotating electric machine, and the output end of rotating electric machine is fixedly connected with agitating shaft；The furnace body
Winding is provided with cooling water pipe on lateral surface, water inlet pipe is connected on cooling water pipe, water inlet pipe is connected with heat dissipation pipe, water of radiation
The lower end of pipe is connected with water tank, is connected with outlet pipe on water tank, and the junction of outlet pipe and water tank is provided with water pump, outlet pipe
End passes through outer housing and connect with cooling water pipe；The lower end of the outer housing is fixedly connected with upper backup pad, under upper backup pad
End is provided with lower supporting plate, and support column is fixedly connected on the outside of lower supporting plate, and the upper end of support column and upper backup pad sliding connect
It connects；The lower end of the lower supporting plate is provided with pedestal, multiple lateral buffer units is evenly arranged on the outside of the upper end of pedestal, laterally
Buffer unit includes outline border, and sliding slot is offered on the inside of outline border, and buffer bar, the bottom of buffer bar and sliding slot are slidably connected in sliding slot
It is fixedly connected between portion by the second buffer spring, buffer bar is fixedly connected with abutting block far from one end of sliding slot, abuts on block
Abutting has abutting plate, abuts plate and is fixedly connected with lower supporting plate.
As further scheme of the invention: the top and bottom of the outer housing are connected separately with blast pipe and outlet air
It manages, is connected with blower on blast pipe.
As further scheme of the invention: the heat dissipation pipe is in fold-line-shaped structure, is provided on heat dissipation pipe multiple
Radiating fin.
As further scheme of the invention: the first buffer spring is arranged on the support column, the first buffer spring
Both ends are fixedly connected with upper backup pad and lower supporting plate respectively.
As further scheme of the invention: the upper center of the pedestal is fixedly connected with spin seat, spin seat it is upper
End uniformly rolls and is connected with multiple spin, and the upper end of spin and the bottom surface of lower supporting plate are rolled and connected.
As further scheme of the invention: the end of the buffer bar and the end of sliding slot are fixedly connected with limit respectively
Plate and limited block.
Compared with prior art, the beneficial effects of the present invention are:
1. making space air-flow between furnace body and outer housing be circulated by blast pipe and discharge pipe, accelerate heat dissipation speed
Degree can use cold water by cooling water pipe and further absorb heat outside furnace body, further increases radiating rate；
2. agitating shaft rotation is driven by rotating electric machine, to pass through paddle and stirring during being sintered
Bar drives the intracorporal material of furnace to be stirred, and effectively raises sintering efficiency and sintering quality；
3. the present apparatus, due to the presence of agitating device, device can generate vibration when working, pass through the first buffer spring and the
Two buffer springs can the vibration of absorption plant both vertically as well as horizontally, effectively improve the service life of device.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the top view of pedestal in the present invention；
Fig. 3 is the enlarged structure schematic diagram of lateral buffer unit in the present invention；
Fig. 4 is the structural schematic diagram of outer housing of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of neodymium iron boron magnetic body processing vacuum sintering furnace, including furnace body 24, outer housing 5, upper support
Plate 14, lower supporting plate 15 and pedestal 18, the middle inside of the furnace body 24 are fixedly connected with agitating shaft 7, and up and down the two of agitating shaft 7
Side is fixedly connected to fixed block 11, and the outside of fixed block 11 has been bolted to connection paddle 9, the end of paddle 9
It is fixedly connected with stirring rod 10, the right end of furnace body 24 is provided with fire door 25；The outside of the furnace body 24 is fixedly connected with outer housing
5, the left side central portion of outer housing 4 is fixedly installed with rotating electric machine 4, and the output end of rotating electric machine 4 is fixedly connected with agitating shaft 7；
The top and bottom of the outer housing 5 are connected separately with blast pipe 22 and discharge pipe 23, are connected on blast pipe 22
Blower；Winding is provided with cooling water pipe 6 on the lateral surface of the furnace body 24, and water inlet pipe 1, water inlet pipe 1 are connected on cooling water pipe 6
It is connected with heat dissipation pipe 3, heat dissipation pipe 3 is in fold-line-shaped structure, is provided with multiple radiating fins 2, heat dissipation pipe on heat dissipation pipe 3
3 lower end is connected with water tank 12, and outlet pipe 8 is connected on water tank 12, and outlet pipe 8 and the junction of water tank 12 are provided with water pump,
The end of outlet pipe 8 passes through outer housing 24 and connect with cooling water pipe 6；
The lower end of the outer housing 5 is fixedly connected with upper backup pad 14, and the lower end of upper backup pad 14 is provided with lower supporting plate
15, the outside of lower supporting plate 15 is fixedly connected with support column 19, and upper end and the upper backup pad 14 of support column 19 are slidably connected, support
The first buffer spring 20 is arranged on column 19, the both ends of the first buffer spring 20 are solid with upper backup pad 14 and lower supporting plate 15 respectively
Fixed connection；
The lower end of the lower supporting plate 15 is provided with pedestal 18, and the upper center of pedestal 18 is fixedly connected with spin seat 16,
The upper end of spin seat 16, which uniformly rolls, is connected with multiple spin 17, and the upper end of spin 17 and the bottom surface of lower supporting plate 15 roll and connect
It connects；Multiple lateral buffer units 21 are evenly arranged on the outside of the upper end of the pedestal 18, lateral buffer unit 21 includes outline border 29,
The inside of outline border 29 offers sliding slot 30, slidably connects buffer bar 28 in sliding slot 30, the end of buffer bar 28 and sliding slot 30
End is fixedly connected with limit plate 33 and limited block 22 respectively, passes through the second buffering elastic between buffer bar 28 and the bottom of sliding slot 30
Spring 31 is fixedly connected, and buffer bar 28 is fixedly connected with far from one end of sliding slot 30 and abuts block 27, and abutting to abut on block 27 has abutting
Plate 26 abuts plate 26 and is fixedly connected with lower supporting plate 15.
Design feature and its working principle of the invention: it during being sintered, is driven and is stirred by rotating electric machine 4
Axis 7 rotates, to drive the material in furnace body 24 to be stirred by paddle 9 and stirring rod 10, effectively raises sintering
Efficiency, in addition the present apparatus drives the air-flow between outer housing 5 and furnace body 24 quickly to flow by blast pipe 22 and discharge pipe 23,
The radiating rate for improving furnace body 24, additionally by cooling water pipe 6 and water tank 12, so that the cold water in water tank 12 enters cooling
In water pipe 6, the heat absorption outside furnace body 24 is fallen, further speeds up radiating rate, in addition the water of absorption heat enters scattered
Hot-water line 3, heat dissipation pipe 3 can be transferred heat away from by radiating fin 2, to be recycled, heat dissipation pipe's 3
Heat dissipation can effectively be extended water route, improve heat dissipation by air-cooled or water cooling since heat dissipation pipe 3 is in fold-line-shaped structure
Efficiency when in addition the present apparatus works, buffers the power by vertical direction, the vibration meeting of horizontal direction by the first buffer spring 20
So that lower supporting plate 15 is rolled in spin 17, the shake that horizontal direction is subject to can reduce by the second buffer spring 31
Dynamic, the end of buffer bar 28 and the end of sliding slot 30 are fixedly connected with limit plate 33 and limited block 22 respectively, can prevent from buffering
Bar 28 is skidded off out of sliding slot 30.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of neodymium iron boron magnetic body processing vacuum sintering furnace, including furnace body, outer housing, upper backup pad, lower supporting plate and pedestal,
It is characterized in that, the middle inside of the furnace body is fixedly connected with agitating shaft, the two sides up and down of agitating shaft are fixedly connected to solid
Determine block, paddle has been bolted to connection on the outside of fixed block, the end of paddle is fixedly connected with stirring rod, furnace body
Right end is provided with fire door；Outer housing is fixedly connected on the outside of the furnace body, the left side central portion of outer housing is fixedly installed with rotation
The output end of motor, rotating electric machine is fixedly connected with agitating shaft；Winding is provided with cooling water pipe on the lateral surface of the furnace body, cold
But water inlet pipe is connected on water pipe, water inlet pipe is connected with heat dissipation pipe, and the lower end of heat dissipation pipe is connected with water tank, connects on water tank
There is an outlet pipe, the junction of outlet pipe and water tank is provided with water pump, and the end of outlet pipe passes through outer housing and connect with cooling water pipe；
The lower end of the outer housing is fixedly connected with upper backup pad, and the lower end of upper backup pad is provided with lower supporting plate, lower supporting plate it is outer
Side is fixedly connected with support column, and upper end and the upper backup pad of support column are slidably connected；The lower end of the lower supporting plate is provided with bottom
Seat, the upper end outside of pedestal are evenly arranged with multiple lateral buffer units, and lateral buffer unit includes outline border, is opened on the inside of outline border
Equipped with sliding slot, buffer bar is slidably connected in sliding slot, is connected between buffer bar and the bottom of sliding slot by the way that the second buffer spring is fixed
It connects, buffer bar is fixedly connected with abutting block far from one end of sliding slot, and abutting to abut on block has abutting plate, abuts plate and lower supporting plate
It is fixedly connected.
2. a kind of neodymium iron boron magnetic body processing vacuum sintering furnace according to claim 1, which is characterized in that the outer housing
Top and bottom be connected separately with blast pipe and discharge pipe, be connected with blower on blast pipe.
3. a kind of neodymium iron boron magnetic body processing vacuum sintering furnace according to claim 1, which is characterized in that the water of radiation
Pipe is in fold-line-shaped structure, is provided with multiple radiating fins on heat dissipation pipe.
4. a kind of neodymium iron boron magnetic body processing vacuum sintering furnace according to claim 1, which is characterized in that the support column
On be arranged with the first buffer spring, the both ends of the first buffer spring are fixedly connected with upper backup pad and lower supporting plate respectively.
5. a kind of neodymium iron boron magnetic body processing vacuum sintering furnace according to claim 1, which is characterized in that the pedestal
Upper center is fixedly connected with spin seat, and the upper end of spin seat, which uniformly rolls, is connected with multiple spin, the upper end of spin and lower branch
The bottom surface of fagging rolls connection.
6. a kind of neodymium iron boron magnetic body processing vacuum sintering furnace according to claim 1, which is characterized in that the buffer bar
End and the end of sliding slot be fixedly connected with limit plate and limited block respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346645.3A CN110081705A (en) | 2019-04-27 | 2019-04-27 | Vacuum sintering furnace is used in a kind of processing of neodymium iron boron magnetic body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346645.3A CN110081705A (en) | 2019-04-27 | 2019-04-27 | Vacuum sintering furnace is used in a kind of processing of neodymium iron boron magnetic body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081705A true CN110081705A (en) | 2019-08-02 |
Family
ID=67417115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910346645.3A Pending CN110081705A (en) | 2019-04-27 | 2019-04-27 | Vacuum sintering furnace is used in a kind of processing of neodymium iron boron magnetic body |
Country Status (1)
| Country | Link |
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| CN (1) | CN110081705A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952068A (en) * | 2020-08-07 | 2020-11-17 | 邱芳 | Pore size and pore diameter sintering equipment for neodymium iron boron magnet production and implementation method thereof |
| CN112331471A (en) * | 2020-11-17 | 2021-02-05 | 江西理工大学 | Sintering device for sintering neodymium-iron-boron magnet and using method thereof |
| 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 |
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| 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 |
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