CN205407529U - A mould for making radial multipolar magnet rotor of moulding of direct current motor - Google Patents
A mould for making radial multipolar magnet rotor of moulding of direct current motor Download PDFInfo
- Publication number
- CN205407529U CN205407529U CN201620259130.1U CN201620259130U CN205407529U CN 205407529 U CN205407529 U CN 205407529U CN 201620259130 U CN201620259130 U CN 201620259130U CN 205407529 U CN205407529 U CN 205407529U
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- CN
- China
- Prior art keywords
- ring
- magnetitum
- cover half
- magnetic field
- magnetite
- 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.)
- Expired - Fee Related
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a produce a mould for making radial multipolar magnet rotor of moulding of direct current motor of the magnetite wave form of square wave, including cover half and movable mould, be provided with the magnetic field orientation device between cover half and the movable mould, the magnetic field orientation device includes outer retaining ring and interior retaining ring, and the annular space who forms between outer retaining ring and the interior retaining ring fills there is the magnetic field orientation magnetite, the magnetic field orientation magnetite includes inner circle magnetite ring sum outer lane magnetite ring, is provided with the dead axle cover in the cover half, is provided with the guide pillar in the dead axle cover, is provided with the moving axis cover of intercommunication movable mould up end and lower terminal surface in the movable mould, and the lower extreme of guide pillar passes the moving axis cover downwards. The utility model has the advantages that: the inner circle magnetite is under the excitation effect of outer lane magnetite to make inner circle magnetite circular arc magnetic property value the same, the wave form of the rotor produced like this is the square wave, thus the technological requirement of satisfied mould plastics magnet wave form and performance.
Description
Technical field
This utility model relates to a kind of mould for manufacturing direct current generator radial multi-pole plastic magnetic rotor.
Background technology
Customary DC motor plastic magnetic rotor generally adopts 6 pieces of NS radially Magnetitum to produce alignment magnetic field when producing, and the Magnetitum waveform of generation is sinusoidal wave, magnetizes even by secondary and also is difficult to make square wave, it is impossible to meets design requirement.
Utility model content
Technical problem to be solved in the utility model is: provide the mould for manufacturing direct current generator radial multi-pole plastic magnetic rotor of a kind of Magnetitum waveform that can produce square wave.
nullFor solving above-mentioned technical problem，The technical solution adopted in the utility model is: a kind of mould for manufacturing direct current generator radial multi-pole plastic magnetic rotor，Including cover half and be arranged on the dynamic model below cover half，Magnetic field orientating device it is provided with between fixed half and moving half，Magnetic field orientating device includes outer back-up ring and inner shield ring，It is filled with magnetic field orientating Magnetitum in the annular space formed between outer back-up ring and inner shield ring，Described magnetic field orientating Magnetitum includes inner ring magnet ring and outer ring magnet ring，Inner ring magnet ring by six equal in magnitude and all in fan-shaped inner ring Magnetitum around forming，The opposite polarity of adjacent inner coil Magnetitum and between have gap，Single inner ring Magnetitum is divided into again two identical inner ring magnet units of equal-sized polarity，The divisional plane of two inner ring magnet units is close together，Outer ring magnet ring by six equal in magnitude and all in fan-shaped outer ring Magnetitum around forming，Outer ring Magnetitum lays respectively at one to one outside inner ring Magnetitum，And the opposite polarity of correspondence outer ring Magnetitum and inner ring Magnetitum，Dead axle set it is provided with in cover half，It is provided with guide pillar in dead axle set，The upper end of cover half is provided with feedboard，The upper end of guide pillar is connected through dead axle set with feedboard，The lower end of dead axle set and the lower end of cover half are stretched in inner shield ring，The moving axis set of connection dynamic model upper surface and lower surface it is provided with in dynamic model，The lower end of guide pillar is passed down through moving axis set，The upper surface of moving axis set and dynamic model is stretched in inner shield ring，Inner shield ring inwall、The upper surface of dynamic model、The upper surface of moving axis set，The surface of guide pillar、A rotor cavity is formed between the lower surface of the lower surface of cover half and dead axle set，The feeding-passage being provided with on cover half and connect feedboard and rotor cavity.
The thickness of described magnetic field orientating Magnetitum is equal with inner shield ring height, the spacing >=2.3mm of the lower surface of cover half and inner shield ring upper surface, the distance >=2.3mm of the upper surface of dynamic model and inner shield ring lower surface.
The radian of described outer ring Magnetitum is less than the radian of inner ring Magnetitum.
The beneficial effects of the utility model are: inner ring Magnetitum is under the excitation effect of outer ring Magnetitum, so that inner ring Magnetitum circular arc magnetic property value is identical, the waveform of the rotor so produced is square wave, thus meeting the technological requirement of injection molded magnets waveform and performance.
Accompanying drawing explanation
Fig. 1 is that this utility model is for manufacturing the structure chart of the mould of direct current generator radial multi-pole plastic magnetic rotor；
Fig. 2 is magnetic field orientating device top view in Fig. 1.
In figure: 1, cover half, 2, dynamic model, 3, outer back-up ring, 4, inner shield ring, 5, inner ring Magnetitum, 6, outer ring Magnetitum, 7, dead axle set, 8, guide pillar, 9, feedboard, 10, moving axis set, 11, rotor cavity, 12, feeding-passage.
Detailed description of the invention
Below in conjunction with accompanying drawing, of the present utility model specific embodiments is described in detail.
nullAs depicted in figs. 1 and 2，Mould for manufacturing direct current generator radial multi-pole plastic magnetic rotor described in the utility model，Including cover half 1 be arranged on the dynamic model 2 below cover half 1，Magnetic field orientating device it is provided with between cover half 1 and dynamic model 2，Magnetic field orientating device includes outer back-up ring 3 and inner shield ring 4，It is filled with magnetic field orientating Magnetitum in the annular space formed between outer back-up ring 3 and inner shield ring 4，Described magnetic field orientating Magnetitum includes inner ring magnet ring and outer ring magnet ring，Inner ring magnet ring by six equal in magnitude and all in fan-shaped inner ring Magnetitum 5 around forming，The opposite polarity of adjacent inner coil Magnetitum 5 and between have gap，Single inner ring Magnetitum 5 is divided into again two identical inner ring magnet units of equal-sized polarity，The divisional plane of two inner ring magnet units is close together，Outer ring magnet ring by six equal in magnitude and all in fan-shaped outer ring Magnetitum 6 around forming，Outer ring Magnetitum 6 lays respectively at one to one outside inner ring Magnetitum 5，And the opposite polarity of corresponding outer ring Magnetitum 6 and inner ring Magnetitum 5，Dead axle set 7 it is provided with in cover half 1，It is provided with guide pillar 8 in dead axle set 7，The upper end of cover half 1 is provided with feedboard 9，The upper end of guide pillar 8 is connected through dead axle set 7 with feedboard 9，The lower end of dead axle set 7 and the lower end of cover half 1 are stretched in inner shield ring 4，The moving axis set 10 of connection dynamic model 2 upper surface and lower surface it is provided with in dynamic model 2，The lower end of guide pillar 8 is passed down through moving axis set 10，The upper surface of moving axis set 10 and dynamic model 2 is stretched in inner shield ring 4，Inner shield ring 4 inwall、The upper surface of dynamic model 2、The upper surface of moving axis set 10，The surface of guide pillar 8、A rotor cavity 11 is formed between the lower surface of the lower surface of cover half 1 and dead axle set 7，The feeding-passage 12 being provided with on cover half 1 and connect feedboard 9 and rotor cavity 11.
The thickness of described magnetic field orientating Magnetitum is highly equal with inner shield ring 4, the spacing >=2.3mm of the lower surface of cover half 1 and inner shield ring 4 upper surface, the distance >=2.3mm of the upper surface of dynamic model 2 and inner shield ring 4 lower surface.The both ends of the surface of such rotor are also completely in the magnetic field of magnetic field orientating Magnetitum, thus the magnetic powder arrangement being further ensured that in rotor is rationally, obtain qualified rotor.
The radian of described outer ring Magnetitum 6 is less than the radian of inner ring Magnetitum 5.
The utility model has the advantages that: inner ring Magnetitum 5 is under the excitation effect of outer ring Magnetitum 6, so that inner ring Magnetitum 5 circular arc magnetic property value is identical, the so melted waveform moulding the rotor obtained after cooling under the effect of this magnetic field orientating Magnetitum after magnetic material enters rotor cavity 11 is square wave, thus meeting the technological requirement of injection molded magnets waveform and performance.
Claims (3)
- null1. for manufacturing the mould of direct current generator radial multi-pole plastic magnetic rotor，Including cover half and be arranged on the dynamic model below cover half，Magnetic field orientating device it is provided with between fixed half and moving half，Magnetic field orientating device includes outer back-up ring and inner shield ring，It is filled with magnetic field orientating Magnetitum in the annular space formed between outer back-up ring and inner shield ring，It is characterized in that: described magnetic field orientating Magnetitum includes inner ring magnet ring and outer ring magnet ring，Inner ring magnet ring by six equal in magnitude and all in fan-shaped inner ring Magnetitum around forming，The opposite polarity of adjacent inner coil Magnetitum and between have gap，Single inner ring Magnetitum is divided into again two identical inner ring magnet units of equal-sized polarity，The divisional plane of two inner ring magnet units is close together，Outer ring magnet ring by six equal in magnitude and all in fan-shaped outer ring Magnetitum around forming，Gap is had between the Magnetitum of adjacent outer ring，Outer ring Magnetitum lays respectively at one to one outside inner ring Magnetitum，And the opposite polarity of correspondence outer ring Magnetitum and inner ring Magnetitum，Dead axle set it is provided with in cover half，It is provided with guide pillar in dead axle set，The upper end of cover half is provided with feedboard，The upper end of guide pillar is connected through dead axle set with feedboard，The lower end of dead axle set and the lower end of cover half are stretched in inner shield ring，The moving axis set of connection dynamic model upper surface and lower surface it is provided with in dynamic model，The lower end of guide pillar is passed down through moving axis set，The upper surface of moving axis set and dynamic model is stretched in inner shield ring，Inner shield ring inwall、The upper surface of dynamic model、The upper surface of moving axis set，The surface of guide pillar、A rotor cavity is formed between the lower surface of the lower surface of cover half and dead axle set，The feeding-passage being provided with on cover half and connect feedboard and rotor cavity.
- 2. the mould for manufacturing direct current generator radial multi-pole plastic magnetic rotor according to claim 1, it is characterized in that: the thickness of described magnetic field orientating Magnetitum is equal with inner shield ring height, distance >=the 2.3mm of the spacing >=2.3mm of the lower surface of cover half and inner shield ring upper surface, the upper surface of dynamic model and inner shield ring lower surface.
- 3. the mould for manufacturing direct current generator radial multi-pole plastic magnetic rotor according to claim 1, it is characterised in that: the radian of described outer ring Magnetitum is less than the radian of inner ring Magnetitum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259130.1U CN205407529U (en) | 2016-03-31 | 2016-03-31 | A mould for making radial multipolar magnet rotor of moulding of direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259130.1U CN205407529U (en) | 2016-03-31 | 2016-03-31 | A mould for making radial multipolar magnet rotor of moulding of direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407529U true CN205407529U (en) | 2016-07-27 |
Family
ID=56418949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620259130.1U Expired - Fee Related CN205407529U (en) | 2016-03-31 | 2016-03-31 | A mould for making radial multipolar magnet rotor of moulding of direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205407529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634217A (en) * | 2016-03-31 | 2016-06-01 | 张家港倍恩特磁塑科技有限公司 | Mould for manufacturing radial multi-pole molded magnetic rotor of direct-current motor |
-
2016
- 2016-03-31 CN CN201620259130.1U patent/CN205407529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634217A (en) * | 2016-03-31 | 2016-06-01 | 张家港倍恩特磁塑科技有限公司 | Mould for manufacturing radial multi-pole molded magnetic rotor of direct-current motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160727 Termination date: 20190331 |