CN210404885U - Brushless motor armature magnetic shoe fixing and clamping device - Google Patents
Brushless motor armature magnetic shoe fixing and clamping device Download PDFInfo
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- CN210404885U CN210404885U CN201921811556.3U CN201921811556U CN210404885U CN 210404885 U CN210404885 U CN 210404885U CN 201921811556 U CN201921811556 U CN 201921811556U CN 210404885 U CN210404885 U CN 210404885U
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Abstract
A brushless motor armature magnetic shoe fixing and clamping device comprises a magnetic steel curing clamp arranged in magnetic shoe supporting fixing grooves, wherein a plurality of rotor magnetic shoe assemblies are fixed in each magnetic shoe supporting fixing groove; the magnetic steel fixing clamp comprises positioning pieces for limiting the magnetic shoe, and the positioning pieces are respectively arranged at two ends of the rotor magnetic shoe assembly; a positioning ring a is arranged at the left end of the magnetic shoe, a supporting ring a is arranged in the positioning ring a, and the supporting ring a is in a convex shape; a positioning ring b is arranged at the right end of the magnetic shoe, a supporting ring b is arranged in the positioning ring b, and the supporting ring b is in a convex shape; the right end of the supporting ring b is provided with a compression spring, the right end of the compression spring in a free state exceeds the right end position of the rotor pressing shaft piece, and the right end of the compression spring in a compressed state is arranged on the inner side of the magnetic shoe supporting fixing groove; the utility model has simple structure, fast and convenient assembly, good fixing effect, effectively avoids the uneven sticking of the magnetic shoes, ensures the firm connection of the magnetic shoes and is not easy to fall off; the production efficiency is high.
Description
Technical Field
The utility model relates to a field that the magnetic shoe is fixed especially relates to a brushless motor armature magnetic shoe fixing and clamping device.
Background
When the magnetic shoe is fixed, the outer cylindrical surface of the magnetic shoe is required to be ensured to be in a circular outer diameter size, after the motor armature is assembled with the motor, the outer circle of the armature magnetic shoe is matched with the inner hole of the stator to form air magnetism, the air gap of the motor is required to be uniform, otherwise, the motor can generate noise and vibration during operation, and the axial and radial sizes of the magnetic shoe are required to be ensured; the magnetic shoe fixing method in the prior art adopts manual operation, the size is difficult to ensure consistency, the requirements of drawings are difficult to meet, the quality is difficult to control, and the manual operation also has the problems of low production speed, low efficiency, high labor intensity of workers, high production cost and the like.
Disclosure of Invention
The utility model aims at providing a fixing and clamping device for an armature magnetic shoe of a brushless motor, which has simple structure and convenient operation and improves the working efficiency; the technical problem is solved.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a brushless motor armature magnetic shoe fixing and clamping device comprises a magnetic steel curing clamp; the method is characterized in that: the magnetic steel curing fixture is arranged in the magnetic shoe supporting fixing grooves, and each magnetic shoe supporting fixing groove is used for fixing a plurality of rotor magnetic shoe assemblies; the magnetic steel curing clamp comprises positioning sheets for limiting the magnetic shoe, and the positioning sheets are respectively arranged at two ends of the rotor magnetic shoe assembly; a positioning ring a is arranged at the left end of the magnetic shoe, a supporting ring a is arranged in the positioning ring a, and the supporting ring a is in a convex shape; a positioning ring b is arranged at the right end of the magnetic shoe, a supporting ring b is arranged in the positioning ring b, and the supporting ring b is in a convex shape; and the right end of the supporting ring b is provided with a compression spring, the right end of the compression spring in a free state exceeds the right end position of the rotor pressing shaft piece, and the right end of the compression spring in a compressed state is arranged on the inner side of the magnetic shoe supporting fixing groove.
Preferably: the inner parts of the positioning ring a and the positioning ring b are arranged in a stepped shape, wherein the inner diameter of the positioning ring a is matched with the outer diameter of the supporting ring a, and the inner diameter of the supporting ring a is larger than the diameter of the left end of the rotor shaft pressing piece; the inner diameter of the positioning ring b is matched with the outer diameter of the supporting ring b, and the inner diameter of the supporting ring b is larger than the diameter of the right end of the rotor shaft pressing piece.
Preferably: eight rib plates are uniformly distributed on the positioning plate, so that gaps between adjacent magnetic tiles are equal.
Preferably: the magnetic shoe supporting fixing groove is a C-shaped through groove, the notch is upward, and the bottom of the magnetic shoe supporting fixing groove is provided with a plurality of through holes; two side face plates of the magnetic shoe supporting fixing groove are symmetrically provided with limiting grooves.
The utility model has the advantages that; a brushless motor armature magnetic shoe fixing and clamping device is compared with the traditional structure: the magnetic steel curing clamp is arranged in the magnetic shoe supporting fixing groove, and the two side panels of the magnetic shoe supporting fixing groove are symmetrically provided with limiting grooves, so that the two ends of the rotor magnetic shoe assembly are fixed and pressed; the supporting ring a and the supporting ring b are arranged in a convex shape, and the rotor shaft pressing piece of the rotor magnetic shoe assembly is arranged in the inner holes of the supporting ring a and the supporting ring b, so that the rotor shaft pressing piece is protected, and indentation caused by direct contact between the rotor shaft pressing piece and the limiting groove is avoided; eight rib plates are uniformly distributed on the positioning plate, so that gaps between adjacent magnetic shoes are equal, and the quality is stable; the utility model has simple structure, fast and convenient assembly, good fixing effect, effectively avoids the uneven sticking of the magnetic shoes, ensures the firm connection of the magnetic shoes and is not easy to fall off; the production efficiency is high; adopt the utility model discloses a fixed clamping device has reduced workman intensity of labour, has reduced manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of the fixing and clamping device of the present invention;
FIG. 2 is a left side view of the fixing groove for supporting the porcelain tile according to the present invention;
FIG. 3 is a schematic view of the positioning plate of the present invention;
in the figure: 1. a magnetic steel curing clamp; 2. the magnetic shoe supports the fixed slot; 3. positioning plates; 4. a rotor magnetic shoe assembly; 5. a magnetic shoe; 6. a positioning ring a; 7. a backup ring a; 8. positioning rings b; 9. a backup ring b; 10. a compression spring; 11. a rotor pressing shaft member; 12. a rib plate; 13. a limiting groove.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: a brushless motor armature magnetic shoe fixing and clamping device comprises a magnetic steel curing clamp 1; the method is characterized in that: the magnetic steel curing fixture 1 is arranged in the magnetic shoe supporting fixing grooves 2, and each magnetic shoe supporting fixing groove 2 is used for fixing a plurality of rotor magnetic shoe assemblies 4; the magnetic steel curing fixture 1 comprises positioning pieces 3 for limiting the magnetic shoe, and the positioning pieces 3 are respectively arranged at two ends of a rotor magnetic shoe assembly 4; the left end of the magnetic shoe 5 is arranged in a positioning ring a6, a supporting ring a7 is arranged in a positioning ring a6, and a supporting ring a7 is arranged in a convex shape; the right end of the magnetic shoe 5 is arranged in a positioning ring b8, a supporting ring b9 is arranged in a positioning ring b8, and a supporting ring b9 is in a convex shape; the right end of the supporting ring b9 is provided with a pressure spring 10, the right end of the pressure spring 10 in a free state exceeds the right end position of the rotor pressure shaft 11, and the right end of the pressure spring 10 in a compressed state is arranged on the inner side of the magnetic shoe supporting and fixing groove 2.
The inner parts of the positioning ring a6 and the positioning ring b8 are arranged in a step shape, wherein the inner diameter of the positioning ring a6 is matched with the outer diameter of the bearing ring a7, and the inner diameter of the bearing ring a7 is larger than the diameter of the left end of the rotor shaft pressing piece 11; the inner diameter of the positioning ring b8 is matched with the outer diameter of the supporting ring b9, and the inner diameter of the supporting ring b9 is larger than the diameter of the right end of the rotor shaft pressing piece 11; eight rib plates 12 are uniformly distributed on the positioning plate 3, so that the gaps between the adjacent magnetic shoes 5 are equal; the magnetic shoe supporting fixing groove 2 is a C-shaped through groove, the notch is upward, and the bottom of the magnetic shoe supporting fixing groove is provided with a plurality of through holes; two side face plates of the magnetic shoe supporting and fixing groove 2 are symmetrically provided with limiting grooves 13.
The utility model discloses a concrete implementation: firstly, sleeving a positioning sheet on an armature rotor of a motor, and enabling a magnetic shoe coated with glue to penetrate through the positioning sheet, so that the magnetic shoe is convenient to position; then the left end of the armature rotor is placed in a supporting ring a, and a positioning ring a is sleeved on the armature rotor; the right end of the armature rotating shaft is fixed in a supporting ring b, the outer diameter of the glue coating magnetic tile is ensured to meet the requirement of a drawing, and then a positioning ring b is sleeved; the clamping spring is sleeved at the right end of the electric pivoting shaft (the rotor pressing shaft element) to clamp a pretightening force for the magnetic shoe, so that the installation size of the magnetic shoe is ensured to meet the requirements of a drawing; and then, preparing for drying and curing, adjusting the temperature of the oven to 150-160 ℃, heating to a set temperature, then putting the magnetic steel rotor and the clamping device into the oven together, wherein the curing time of the rotor magnetic steel is 1.5 hours, turning off the power supply of the oven after 1.5 hours, cooling the rotor and the clamping device together with the oven, and removing the clamping device from the workpiece after the temperature in the oven is reduced to room temperature, wherein the magnetic steel does not fall off and has no cracks.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (4)
1. A brushless motor armature magnetic shoe fixing and clamping device comprises a magnetic steel curing clamp (1); the method is characterized in that: the magnetic steel curing fixture (1) is arranged in the magnetic shoe supporting fixing grooves (2), and each magnetic shoe supporting fixing groove (2) is used for fixing a plurality of rotor magnetic shoe assemblies (4); the magnetic steel curing clamp (1) comprises positioning pieces (3) for limiting the magnetic shoe, and the positioning pieces (3) are respectively arranged at two ends of the rotor magnetic shoe assembly (4); the left end of the magnetic shoe (5) is arranged in a positioning ring a (6), a supporting ring a (7) is arranged in the positioning ring a (6), and the supporting ring a (7) is in a convex shape; the right end of the magnetic shoe (5) is arranged in a positioning ring b (8), a supporting ring b (9) is arranged in the positioning ring b (8), and the supporting ring b (9) is arranged in a convex shape; and a compression spring (10) is arranged at the right end of the supporting ring b (9), the right end of the compression spring (10) in a free state exceeds the right end position of the rotor pressing shaft piece (11), and the right end of the compression spring (10) in a compressed state is arranged on the inner side of the magnetic shoe supporting fixing groove (2).
2. The fixing and clamping device for the armature magnetic shoe of the brushless motor according to claim 1, wherein: the inner parts of the positioning ring a (6) and the positioning ring b (8) are arranged in a stepped shape, wherein the inner diameter of the positioning ring a (6) is matched with the outer diameter of the supporting ring a (7), and the inner diameter of the supporting ring a (7) is larger than the diameter of the left end of the rotor shaft pressing piece (11); the inner diameter of the positioning ring b (8) is matched with the outer diameter of the supporting ring b (9), and the inner diameter of the supporting ring b (9) is larger than the diameter of the right end of the rotor shaft pressing piece (11).
3. The fixing and clamping device for the armature magnetic shoe of the brushless motor according to claim 1, wherein: eight rib plates (12) are uniformly distributed on the positioning plate (3) to ensure that the gaps between the adjacent magnetic tiles (5) are equal.
4. The fixing and clamping device for the armature magnetic shoe of the brushless motor according to claim 1, wherein: the magnetic shoe supporting fixing groove (2) is a C-shaped through groove, the notch is upward, and the bottom of the magnetic shoe supporting fixing groove is provided with a plurality of through holes; two side face plates of the magnetic shoe supporting fixing groove (2) are symmetrically provided with limit grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921811556.3U CN210404885U (en) | 2019-10-26 | 2019-10-26 | Brushless motor armature magnetic shoe fixing and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921811556.3U CN210404885U (en) | 2019-10-26 | 2019-10-26 | Brushless motor armature magnetic shoe fixing and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404885U true CN210404885U (en) | 2020-04-24 |
Family
ID=70342792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921811556.3U Active CN210404885U (en) | 2019-10-26 | 2019-10-26 | Brushless motor armature magnetic shoe fixing and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404885U (en) |
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2019
- 2019-10-26 CN CN201921811556.3U patent/CN210404885U/en active Active
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