CN207039314U - A kind of rotor punching, rotor and motor - Google Patents
A kind of rotor punching, rotor and motor Download PDFInfo
- Publication number
- CN207039314U CN207039314U CN201720566748.7U CN201720566748U CN207039314U CN 207039314 U CN207039314 U CN 207039314U CN 201720566748 U CN201720566748 U CN 201720566748U CN 207039314 U CN207039314 U CN 207039314U
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- rotor
- magnetic shoe
- segmental arc
- arc
- rotor punching
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model belongs to field of power equipment technology, is related to a kind of rotor punching, rotor and motor；Rotor punching includes rotor punching body, shaft mounting hole is provided centrally with rotor punching body, several magnetic shoe mounting holes are evenly distributed outside rotor punching body, magnetic shoe mounting hole is even number, and the magnetic shoe mounting hole includes cylindrical segmental arc and inner circle segmental arc, connected at the both ends of outer arc section, inner circle segmental arc by linkage section, the cylindrical segmental arc, inner circle segmental arc and rotor punching body concentric are set, and the distance between cylindrical segmental arc of the magnet steel mounting hole to the outer wall of rotor punching body is 0.6 ± 0.05mm；Magnetic shoe mounting hole of the present utility model is closed configuration, distance between outer wall of the outer arcuate section to rotor punching body of magnetic shoe mounting hole is 0.6mm or so, can effectively it prevent during rotor high-speed rotation, the phenomenon that magnetic shoe flies out from rotor punching, there is the advantages such as demagnetization rate is low, electric efficiency is high, temperature rise is low.
Description
Technical field
The utility model belongs to field of power equipment technology, is related to a kind of rotor punching, rotor and motor.
Background technology
Rotor punching is the major part for forming rotor.If rotor iron is formed by the be superimposed with each other rotor punching of setting of dry plate
Core, several magnetic shoe mounting grooves are provided with rotor core, the magnetic shoe mounting groove is open slot.Magnetic shoe is fastened on magnetic shoe installation
It is bonded in groove and by glue.Rotor core, which is arranged in rotating shaft, forms rotor.Due to motor at work, rotor is to turn at a high speed
It is dynamic, therefore, magnetic shoe can be caused to fly out magnetic shoe mounting groove and cause motor can not normal work, influence entering in order for production and living
OK.
The content of the invention
The utility model is to be directed to the above-mentioned problems in the prior art, there is provided a kind of rotor punching, rotor and motor,
Technical problem to be solved in the utility model is：How to prevent magnetic shoe from being separated during high-speed rotation with rotor punching.
The purpose of this utility model can be realized by following technical proposal：
First purpose of the present utility model is to provide a kind of rotor punching, including rotor punching body, in rotor punching
Body is provided centrally with shaft mounting hole, and several magnetic shoe mounting holes, institute are evenly distributed outside rotor punching body
It is even number to state magnetic shoe mounting hole, and the magnetic shoe mounting hole includes cylindrical segmental arc and inner circle segmental arc, in outer arc section, inner circle
The both ends of segmental arc are connected by linkage section, and the cylindrical segmental arc, inner circle segmental arc and rotor punching body concentric are set, the magnetic
The cylindrical segmental arc of watt mounting hole to the distance between the outer wall of rotor punching body is 0.6 ± 0.05mm.
In a kind of above-mentioned rotor punching, the magnetic shoe mounting hole be top be below arc-shaped side isosceles trapezoid
Hole.
In a kind of above-mentioned rotor punching, the arc length of the cylindrical segmental arc is less than the arc length of inner circle segmental arc.
Second purpose of the present utility model is to provide a kind of rotor, includes rotating shaft, magnetic shoe and is set in outside rotating shaft
Rotor core, if the rotor core is formed by stacking by dry plate rotor punching, including rotor punching body, in rotor punching body
Be provided centrally with shaft mounting hole, several magnetic shoe mounting holes, the magnetic are evenly distributed outside rotor punching body
Watt mounting hole is even number, and the magnetic shoe mounting hole includes cylindrical segmental arc and inner circle segmental arc, in outer arc section, inner circle segmental arc
Both ends connected by linkage section, the cylindrical segmental arc, inner circle segmental arc and rotor punching body concentric are set, the magnetic shoe peace
Cylindrical segmental arc to the distance between the outer wall of rotor punching body for filling hole is 0.6 ± 0.05mm.
In a kind of above-mentioned rotor, the magnetic shoe mounting hole be top be below arc-shaped side isosceles trapezoid hole.
In a kind of above-mentioned rotor, the arc length of the cylindrical segmental arc is less than the arc length of inner circle segmental arc.
3rd purpose of the present utility model is to provide a kind of motor, includes rotor and stator, and the rotor includes turning
Axle, magnetic shoe and the rotor core being set in outside rotating shaft, if the rotor core is formed by stacking by dry plate rotor punching, the rotor
Punching includes rotor punching body, and shaft mounting hole is provided centrally with rotor punching body, in the outer of rotor punching body
While being evenly distributed several magnetic shoe mounting holes, the magnetic shoe mounting hole is even number, and the magnetic shoe mounting hole includes outside
Arc section and inner circle segmental arc, are connected, the cylindrical segmental arc, Inner arc at the both ends of outer arc section, inner circle segmental arc by linkage section
Section and rotor punching body concentric are set, and the cylindrical segmental arc of the magnetic shoe mounting hole is between the outer wall of rotor punching body
Distance is 0.6 ± 0.05mm.
In a kind of above-mentioned motor, the magnetic shoe mounting hole be top be below arc-shaped side isosceles trapezoid hole.
In a kind of above-mentioned motor, the arc length of the cylindrical segmental arc is less than the arc length of inner circle segmental arc.
Compared with prior art, the utility model has advantages below：
1st, magnetic shoe mounting hole of the present utility model is closed configuration, magnetic shoe mounting hole outer arcuate section to rotor punching sheet
The distance between outer wall of body is 0.6mm or so, can effectively be prevented during rotor high-speed rotation, and magnetic shoe is from rotor punching
On the phenomenon that flies out, ensure that the quality of motor, while there is the advantages such as demagnetization rate is low, electric efficiency is high, temperature rise is low, carry significantly
The high quality of motor.
2nd, magnetic shoe mounting hole of the present utility model is closed configuration, can also reduce air gap, and then improves the property of motor
Energy.
Brief description of the drawings
Fig. 1 is the schematic diagram of rotor punching of the present utility model.
In figure, 1, rotor punching body；2nd, shaft mounting hole；3rd, magnetic shoe mounting hole；4th, cylindrical segmental arc；5th, inner circle segmental arc；
6th, linkage section；7th, double wedge；8th, pin hole.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one：Referring to Fig. 1：
The present embodiment provides a kind of rotor punching, including rotor punching body 1, in the centrally disposed of rotor punching body 1
There is shaft mounting hole 2, several magnetic shoe mounting holes 3, the magnetic shoe mounting hole are evenly distributed in the outside of rotor punching body 1
3 be even number, and the magnetic shoe mounting hole 3 includes cylindrical segmental arc 4 and inner circle segmental arc 5, in outer arc section 4, inner circle segmental arc 5
Both ends are connected by linkage section 6, and the cylindrical segmental arc 4, inner circle segmental arc 5 and the concentric of rotor punching body 1 are set, the magnetic shoe
The cylindrical segmental arc 4 of mounting hole 3 to the distance between the outer wall of rotor punching body 1 D be 0.6 ± 0.05mm.It is preferred that D is 6mm, permit
Permitted have error.The utility model is closed configuration by setting magnetic shoe mounting hole 3, can effectively be prevented in rotor high-speed rotation
During, phenomenon that magnetic shoe flies out from rotor punching ensure that the quality of motor, through overtesting, rotor of the present utility model
Structure, it is also not in phenomenon that magnetic shoe flies out to reach 2W revs/min in rotating speed.Meanwhile the utility model also have demagnetization rate it is low,
The advantages such as electric efficiency is high, temperature rise is low, substantially increase the quality of motor.Air gap can also be reduced, and then improves motor
Performance, such as：The size of air gap, the size of magnetic flux is determined, if air gap is larger, leakage field is just more, then the effect of motor
Rate will reduce.Below for example：The aperture of stator core endoporus is 80mm, and the D1 of the external diameter of rotor punching is 79.3mm,
Diameter of a circle where magnetic shoe outer wall is 78.1mm, then the air gap after installation is 0.35mm.If magnetic shoe mounting hole is open slot, that
Air gap after installation is then 0.65mm.
Further, the magnetic shoe mounting hole 3 be top be below arc-shaped side isosceles trapezoid hole.Wherein, top is
Cylindrical segmental arc 4, following is inner circle segmental arc 5, and the arc length of the cylindrical segmental arc 4 is less than the arc length of inner circle segmental arc 5.
In addition, the shaft mounting hole 2 of the present embodiment is that a double wedge 7 is set on the inwall of circular hole, multiple rotor punchings are folded
After conjunction forms rotor core, double wedge 7 forms projection, is arranged in spindle keyway, realizes that rotating shaft is synchronous with rotor core
Rotate.
Several pin holes are circumferentially evenly equipped with rotor punching body 1 between shaft mounting hole 2 and magnetic shoe mounting hole 3
8, pin is plugged in pin hole 8 and rotor punching is fixed by rotor punching after overlapping.
Embodiment two：
The purpose of the present embodiment is to provide a kind of rotor, includes rotating shaft, magnetic shoe and the rotor core being set in outside rotating shaft,
If the rotor core is formed by stacking by dry plate rotor punching, structure and the phase of embodiment one of rotor punching of the present utility model
Together.
Embodiment three：
The purpose of the present embodiment is to provide a kind of motor, includes rotor and stator, the rotor include rotating shaft, magnetic shoe and
The rotor core being set in outside rotating shaft, if the rotor core is formed by stacking by dry plate rotor punching, rotor of the present utility model
The structure of punching is identical with embodiment one.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (9)
- A kind of 1. rotor punching, it is characterised in that：Including rotor punching body, rotating shaft is provided centrally with rotor punching body Mounting hole, several magnetic shoe mounting holes being evenly distributed outside rotor punching body, the magnetic shoe mounting hole is even number, And the magnetic shoe mounting hole includes cylindrical segmental arc and inner circle segmental arc, pass through linkage section at the both ends of outer arc section, inner circle segmental arc Connection, the cylindrical segmental arc, inner circle segmental arc and rotor punching body concentric are set, and the cylindrical segmental arc of the magnetic shoe mounting hole is extremely The distance between outer wall of rotor punching body is 0.6 ± 0.05mm.
- A kind of 2. rotor punching according to claim 1, it is characterised in that：The magnetic shoe mounting hole is top with being below The isosceles trapezoid hole of arc-shaped side.
- A kind of 3. rotor punching according to claim 1, it is characterised in that：The arc length of the cylindrical segmental arc is less than Inner arc The arc length of section.
- 4. a kind of rotor, include rotating shaft, magnetic shoe and the rotor core being set in outside rotating shaft, if the rotor core is turned by dry plate Sub- punching is formed by stacking, it is characterised in that：Including rotor punching body, rotating shaft installation is provided centrally with rotor punching body Hole, is evenly distributed several magnetic shoe mounting holes outside rotor punching body, and the magnetic shoe mounting hole is even number, and institute State magnetic shoe mounting hole and include cylindrical segmental arc and inner circle segmental arc, connected at the both ends of outer arc section, inner circle segmental arc by linkage section, The cylindrical segmental arc, inner circle segmental arc and rotor punching body concentric are set, the cylindrical segmental arc of the magnetic shoe mounting hole to rotor The distance between outer wall of punching body is 0.6 ± 0.05mm.
- A kind of 5. rotor according to claim 4, it is characterised in that：The magnetic shoe mounting hole is top with being below arc The isosceles trapezoid hole on side.
- A kind of 6. rotor according to claim 5, it is characterised in that：The arc length of the cylindrical segmental arc is less than inner circle segmental arc Arc length.
- 7. a kind of motor, includes rotor and stator, the rotor includes rotating shaft, magnetic shoe and the rotor iron being set in outside rotating shaft Core, if the rotor core is formed by stacking by dry plate rotor punching, it is characterised in that：Including rotor punching body, rushed in rotor Piece body is provided centrally with shaft mounting hole, and several magnetic shoe mounting holes are evenly distributed outside rotor punching body, The magnetic shoe mounting hole is even number, and the magnetic shoe mounting hole includes cylindrical segmental arc and inner circle segmental arc, in outer arc section, interior The both ends of arc section are connected by linkage section, and the cylindrical segmental arc, inner circle segmental arc and rotor punching body concentric are set, described The cylindrical segmental arc of magnetic shoe mounting hole to the distance between the outer wall of rotor punching body is 0.6 ± 0.05mm.
- A kind of 8. motor according to claim 7, it is characterised in that：The magnetic shoe mounting hole is top with being below arc The isosceles trapezoid hole on side.
- A kind of 9. motor according to claim 7, it is characterised in that：The arc length of the cylindrical segmental arc is less than inner circle segmental arc Arc length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566748.7U CN207039314U (en) | 2017-05-20 | 2017-05-20 | A kind of rotor punching, rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566748.7U CN207039314U (en) | 2017-05-20 | 2017-05-20 | A kind of rotor punching, rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039314U true CN207039314U (en) | 2018-02-23 |
Family
ID=61480453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720566748.7U Active CN207039314U (en) | 2017-05-20 | 2017-05-20 | A kind of rotor punching, rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207039314U (en) |
-
2017
- 2017-05-20 CN CN201720566748.7U patent/CN207039314U/en active Active
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