CN105634217B - For manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor - Google Patents
For manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor Download PDFInfo
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- CN105634217B CN105634217B CN201610194002.8A CN201610194002A CN105634217B CN 105634217 B CN105634217 B CN 105634217B CN 201610194002 A CN201610194002 A CN 201610194002A CN 105634217 B CN105634217 B CN 105634217B
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- Prior art keywords
- ring
- magnetite
- magnetic field
- cover half
- dynamic model
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of magnetite waveforms that can generate square wave for manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor, including fixed half and moving half, magnetic field orientating device is provided between the fixed half and moving half, magnetic field orientating device includes outer baffle ring and inner shield ring, filled with magnetic field orientating magnetite in the annular space formed between outer baffle ring and inner shield ring, the magnetic field orientating magnetite includes inner ring magnet ring and outer ring magnet ring, dead axle set is provided in cover half, guide post is provided in dead axle set, the moving axis set of connection dynamic model upper surface and lower face is provided in dynamic model, the lower end of guide post is passed down through moving axis set.It is an advantage of the invention that：Inner ring magnetite is under the excitation effect of outer ring magnetite, and so as to make inner ring magnetite circular arc magnetic property value identical, the waveform for the rotor produced in this way is square wave, so as to meet the technological requirement of injection molded magnets waveform and performance.
Description
Technical field
The present invention relates to a kind of for manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor.
Background technology
Customary DC motor plastic magnetic rotor generally use 6 blocks of NS radial directions magnetites when production generate alignment magnetic field,
The magnetite waveform of generation is sine wave, also is difficult to make square wave even by secondary magnetize, can not meet design requirement.
Invention content
The technical problems to be solved by the invention are：There is provided a kind of magnetite waveform that can generate square wave for manufacturing direct current
The mold of motor radial multi-pole plastic magnetic rotor.
In order to solve the above technical problems, the technical solution adopted by the present invention is：One kind is radially more for manufacturing direct current generator
Including cover half and the dynamic model being arranged below cover half, magnetic field orientating is provided between fixed half and moving half for the mold of pole plastic magnetic rotor
Device, magnetic field orientating device include outer baffle ring and inner shield ring, are filled in the annular space formed between outer baffle ring and inner shield ring
Magnetic field orientating magnetite, the magnetic field orientating magnetite include inner ring magnet ring and outer ring magnet ring, and inner ring magnet ring is by six sizes
It is equal and in fan-shaped inner ring magnetite around forming, the polarity of adjacent inner coil magnetite it is opposite and between have gap, single inner ring
Magnetite is divided into the identical inner ring magnet unit of two equal-sized polarity again, and the divisional plane of two inner ring magnet units is close to
Together, by six outer ring magnetites that are equal in magnitude and being in sector around forming, outer ring magnetite is located at outer ring magnet ring respectively
On the outside of one-to-one inner ring magnetite, and the polarity of corresponding outer ring magnetite and inner ring magnetite is on the contrary, the pole of the Internal and external cycle magnetite
Property be parallel to the center line of inside and outside magnetite, be provided with dead axle set in cover half, guide post, the upper end setting of cover half be provided in dead axle set
There is feedboard, the upper end of guide post passes through dead axle set to be connected with feedboard, and inner shield ring is stretched into the lower end of dead axle set and the lower end of cover half
It is interior, the moving axis set of connection dynamic model upper surface and lower face is provided in dynamic model, the lower end of guide post is passed down through moving axis set, moving axis set
It is stretched into inner shield ring with the upper surface of dynamic model, the upper surface that inner shield ring inner wall, the upper surface of dynamic model, moving axis cover, the surface of guide post,
A rotor cavity is formed between the lower face of cover half and the lower face of dead axle set, is provided on cover half with connecting feedboard and turning
The feeding-passage of sub- cavity.
The thickness of the magnetic field orientating magnetite is equal with inner shield ring height, between the lower face of cover half and inner shield ring upper surface
Distance >=2.3mm, the upper surface of dynamic model and distance >=2.3mm of inner shield ring lower face.
The radian of the outer ring magnetite is less than the radian of inner ring magnetite.
The beneficial effects of the invention are as follows：Inner ring magnetite is under the excitation effect of outer ring magnetite, so as to make inner ring magnetite circular arc
Magnetic property value is identical, and the waveform for the rotor produced in this way is square wave, will so as to meet the technique of injection molded magnets waveform and performance
It asks.
Description of the drawings
Fig. 1 is the structure chart that the present invention is used to manufacture the mold of direct current generator radial multi-pole plastic magnetic rotor；
Fig. 2 is magnetic field orientating device vertical view in Fig. 1.
In figure：1st, cover half, 2, dynamic model, 3, outer baffle ring, 4, inner shield ring, 5, inner ring magnetite, 6, outer ring magnetite, 7, dead axle set,
8th, guide post, 9, feedboard, 10, moving axis set, 11, rotor cavity, 12, feeding-passage.
Specific embodiment
Below in conjunction with the accompanying drawings, detailed description of the present invention specific embodiment.
As depicted in figs. 1 and 2, it is of the present invention for manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor, it wraps
It includes cover half 1 and is arranged on the dynamic model 2 of 1 lower section of cover half, magnetic field orientating device, magnetic field orientating dress are provided between cover half 1 and dynamic model 2
It puts including outer baffle ring 3 and inner shield ring 4, magnetic field orientating magnetic is filled in the annular space formed between outer baffle ring 3 and inner shield ring 4
Stone, the magnetic field orientating magnetite include inner ring magnet ring and outer ring magnet ring, and inner ring magnet ring is equal in magnitude and be in by six
Fan-shaped inner ring magnetite 5 around forming, the polarity of adjacent inner coil magnetite 5 it is opposite and between have a gap, single inner ring magnetite 5 quilt again
The inner ring magnet unit for being divided into two equal-sized polarity identical, the divisional plane of two inner ring magnet units are close together,
For outer ring magnet ring by six outer ring magnetites 6 that are equal in magnitude and being in sector around forming, it is a pair of that outer ring magnetite 6 is located at one respectively
5 outside of inner ring magnetite answered, and the polarity of corresponding outer ring magnetite 6 and inner ring magnetite 5 is on the contrary, the inner ring magnetite 5 and outer ring magnetic
The polarity of stone 6 is parallel to the center line of inner ring magnetite 5 and outer ring magnetite 6, and dead axle set 7 is provided in cover half 1, is set in dead axle set 7
Guide post 8 is equipped with, the upper end of cover half 1 is provided with feedboard 9, and the upper end of guide post 8 passes through dead axle set 7 to be connected with feedboard 9, dead axle set
7 lower end and the lower end of cover half 1 are stretched into inner shield ring 4, and the moving axis of connection 2 upper surface of dynamic model and lower face is provided in dynamic model 2
Set 10, the lower end of guide post 8 are passed down through moving axis set 10, and the upper surface of moving axis set 10 and dynamic model 2 is stretched into inner shield ring 4, inner shield ring 4
Inner wall, the upper surface of dynamic model 2, moving axis set 10 upper surface, the surface of guide post 8, the lower face of cover half 1 and dead axle set 7 lower end
A rotor cavity 11 is formed between face, the feeding-passage 12 with connecting feedboard 9 and rotor cavity 11 is provided on cover half 1.
The thickness of the magnetic field orientating magnetite is equal with 4 height of inner shield ring, lower face and 4 upper surface of inner shield ring of cover half 1
Between distance >=2.3mm, the upper surface of dynamic model 2 and distance >=2.3mm of 4 lower face of inner shield ring.The both ends of the surface of rotor in this way
It is completely in the magnetic field of magnetic field orientating magnetite, the magnetic powder arrangement so as to be further ensured that in rotor is reasonable, obtains qualified turn
Son.
The radian of the outer ring magnetite 6 is less than the radian of inner ring magnetite 5.
It is an advantage of the invention that：Inner ring magnetite 5 is under the excitation effect of outer ring magnetite 6, so as to make 5 circular arc magnetic of inner ring magnetite
Performance number is identical, and the modeling magnetic material melted in this way obtains after entering rotor cavity 11 after cooling under the action of the magnetic field orientating magnetite
The waveform of the rotor arrived is square wave, so as to meet the technological requirement of injection molded magnets waveform and performance.
Claims (3)
1. for manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor, including cover half and the dynamic model being arranged below cover half,
Magnetic field orientating device is provided between fixed half and moving half, magnetic field orientating device includes outer baffle ring and inner shield ring, outer baffle ring and interior gear
Filled with magnetic field orientating magnetite in the annular space formed between circle, it is characterised in that：The magnetic field orientating magnetite includes inner ring
Magnet ring and outer ring magnet ring, inner ring magnet ring is surrounded by six inner ring magnetites that are equal in magnitude and being in sector and formed, adjacent
The polarity of inner ring magnetite it is opposite and between have gap, it is identical that single inner ring magnetite is divided into two equal-sized polarity again
Inner ring magnet unit, the divisional plane of two inner ring magnet units are close together, and outer ring magnet ring is equal in magnitude and be in by six
Fan-shaped outer ring magnetite has gap around forming between adjacent outer ring magnetite, outer ring magnetite is located at one-to-one inner ring respectively
On the outside of magnetite, and the polarity of corresponding outer ring magnetite and inner ring magnetite is on the contrary, the polarity of the Internal and external cycle magnetite is parallel to inside and outside magnetic
The center line of stone is provided with dead axle set in cover half, is provided with guide post in dead axle set, the upper end of cover half is provided with feedboard, guide post
Upper end dead axle set is passed through to be connected with feedboard, the lower end and the lower end of cover half of dead axle set are stretched into inner shield ring, setting in dynamic model
There is the moving axis set of connection dynamic model upper surface and lower face, the lower end of guide post is passed down through the upper end of moving axis set, moving axis set and dynamic model
Face is stretched into inner shield ring, the upper surface that inner shield ring inner wall, the upper surface of dynamic model, moving axis cover, the surface of guide post, the lower face of cover half
A rotor cavity is formed between the lower face of dead axle set, the charging with connecting feedboard and rotor cavity is provided on cover half
Channel.
2. the mold according to claim 1 for being used to manufacture direct current generator radial multi-pole plastic magnetic rotor, it is characterised in that：Institute
It is equal with inner shield ring height to state the thickness of magnetic field orientating magnetite, distance between the lower face of cover half and inner shield ring upper surface >=
2.3mm, the upper surface of dynamic model and distance >=2.3mm of inner shield ring lower face.
3. the mold according to claim 1 for being used to manufacture direct current generator radial multi-pole plastic magnetic rotor, it is characterised in that：Institute
The radian for stating outer ring magnetite is less than the radian of inner ring magnetite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194002.8A CN105634217B (en) | 2016-03-31 | 2016-03-31 | For manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194002.8A CN105634217B (en) | 2016-03-31 | 2016-03-31 | For manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105634217A CN105634217A (en) | 2016-06-01 |
| CN105634217B true CN105634217B (en) | 2018-06-26 |
Family
ID=56048863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610194002.8A Active CN105634217B (en) | 2016-03-31 | 2016-03-31 | For manufacturing the mold of direct current generator radial multi-pole plastic magnetic rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105634217B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460211B (en) * | 2019-07-16 | 2022-02-15 | 宁波韵升粘结磁体有限公司 | Mold for manufacturing anisotropic injection molding permanent magnet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003332128A (en) * | 2002-05-15 | 2003-11-21 | Toshiba Corp | Mold for manufacturing magnet, method for manufacturing magnet, anisotropic magnet, and permanent magnet |
| CN201594784U (en) * | 2009-12-28 | 2010-09-29 | 金坛市磁性材料有限公司 | Stator magnetic tile forming die of permanent magnet direct current motor |
| CN104641434B (en) * | 2012-09-06 | 2017-02-08 | 三菱电机株式会社 | Production method for permanent magnet, production device for permanent magnet, permanent magnet and rotating electrical device |
| WO2014167669A1 (en) * | 2013-04-10 | 2014-10-16 | 大昭和精機株式会社 | Hydraulic chuck |
| CN205407529U (en) * | 2016-03-31 | 2016-07-27 | 张家港倍恩特磁塑科技有限公司 | A mould for making radial multipolar magnet rotor of moulding of direct current motor |
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2016
- 2016-03-31 CN CN201610194002.8A patent/CN105634217B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105634217A (en) | 2016-06-01 |
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