CN216981634U - Novel rotor structure of permanent magnet motor - Google Patents
Novel rotor structure of permanent magnet motor Download PDFInfo
- Publication number
- CN216981634U CN216981634U CN202220064461.5U CN202220064461U CN216981634U CN 216981634 U CN216981634 U CN 216981634U CN 202220064461 U CN202220064461 U CN 202220064461U CN 216981634 U CN216981634 U CN 216981634U
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- rotor
- permanent magnet
- screw holes
- pressing ring
- baffle
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Abstract
The utility model provides a novel rotor structure of permanent-magnet machine, relates to permanent-magnet machine rotor technical field, including motor shaft, preceding rotor clamping ring, rotor punching, back rotor clamping ring, a plurality of fixing bolt and permanent magnet, the rotor punching is assembled on the motor shaft, and the permanent magnet is assembled with the rotor punching, and preceding rotor clamping ring passes through fixing bolt and rotor punching and the fixed dress of assembling of front end of permanent magnet, and the back rotor clamping ring passes through fixing bolt and the fixed dress of assembling of rear end of rotor punching and permanent magnet. The rotor punching sheet is laminated by utilizing the front rotor pressing ring and the rear rotor pressing ring, the front rotor pressing ring, the rear rotor pressing ring and the motor shaft are fixed with the motor shaft in an electric welding mode at the position close to the motor shaft, the rotor punching sheet, the front rotor pressing ring and the rear rotor pressing ring are provided with second mounting screw holes at the position close to the outer circle, and the second mounting screw holes penetrate through the stud bolts for fastening.
Description
Technical Field
The utility model relates to the technical field of permanent magnet motors, in particular to a novel rotor structure of a permanent magnet motor.
Background
The permanent magnet motor is special in structure, the permanent magnet motor is required to be developed from a high-rotating-speed low-power motor to a low-rotating-speed high-power motor required at present in the aspect of use working conditions at present, the motor is developed from a thin and short shape to a thick and long shape, the outer diameter of a rotor for kinetic energy transmission is larger and larger, the manufacturing mode of compressing a rotor close to a shaft in the past cannot meet the requirement of manufacturing the rotor with a larger diameter at present, the rotor punching sheet inner and outer circles are fixed at the same time to ensure that the rotor punching sheet is laminated into the rotor meeting the use requirement, and the mode of fixing the inner and outer circles of the rotor punching sheet can ensure that the rotor meets the use requirement.
Disclosure of Invention
In view of the above, a new rotor structure of a permanent magnet motor is needed.
The utility model provides a novel rotor structure of permanent-magnet machine, includes motor shaft, preceding rotor clamping ring, rotor punching, back rotor clamping ring, a plurality of fixing bolt and permanent magnet, and rotor punching assembles on the motor shaft, and the permanent magnet assembles with the rotor punching, and preceding rotor clamping ring passes through fixing bolt and the fixed dress of assembling in front of rotor punching and permanent magnet, and back rotor clamping ring passes through fixing bolt and the fixed dress of assembling in rear end of rotor punching and permanent magnet.
Preferably, the fixing bolt is a stud bolt.
Preferably, the front rotor pressing ring and the rear rotor pressing ring have the same structure, the front rotor pressing ring comprises a rotor body, weight reduction grooves and first mounting screw holes, the weight reduction grooves are uniformly distributed and are circumferentially arranged on the rotor body, the first mounting screw hole is arranged between every two adjacent weight reduction grooves, fixing bolts are inserted into the first mounting screw holes of the front rotor pressing ring and push against the front end of a rotor punching sheet, and the fixing bolts are inserted into the first mounting screw holes of the rear rotor pressing ring and push against the rear end of the rotor punching sheet.
Preferably, the front rotor pressing ring further comprises second mounting screw holes, and the second mounting screw holes are uniformly distributed on the outer edge of the rotor body.
Preferably, the novel rotor structure of permanent magnet motor still includes preceding baffle and backplate, preceding baffle and backplate are the loop configuration, set up interior screw hole and outer screw hole on preceding baffle and the backplate, the interior screw hole evenly distributed of preceding baffle and backplate is in the inboard edge of preceding baffle and backplate, and become the circumference arrangement, the outer screw hole of preceding baffle and backplate all with distribute in preceding baffle and backplate outside edge, and become the circumference arrangement, the interior screw hole of preceding baffle and backplate overlaps respectively with the second installation screw of preceding rotor clamping ring and back rotor clamping ring and joins in marriage the dress through stud, stud passes outer screw hole and compresses tightly the rotor punching.
The rotor punching sheet is laminated by utilizing the front rotor pressing ring and the rear rotor pressing ring, the front rotor pressing ring, the rear rotor pressing ring and the motor shaft are fixed with the motor shaft in an electric welding mode at the position close to the motor shaft, the rotor punching sheet, the front rotor pressing ring and the rear rotor pressing ring are provided with second mounting screw holes at the position close to the outer circle, and the second mounting screw holes penetrate through the stud bolts for fastening.
Drawings
FIG. 1 is a schematic view of a novel rotor structure of a permanent magnet motor;
FIG. 2 is a schematic view of a front rotor pressing ring structure;
FIG. 3 is a schematic diagram of a front baffle structure;
in the figure: the motor shaft 1, the front rotor clamping ring 2, the rotor body 20, the lightening groove 21, the first mounting screw hole 22, the second mounting screw hole 23, the rotor punching sheet 3, the rear rotor clamping ring 4, the fixing bolt 5, the permanent magnet 6, the front baffle 7, the rear baffle 8, the inner screw hole a and the outer screw hole b.
Detailed Description
In order to make the technical scheme of the utility model easier to understand, the technical scheme of the utility model is clearly and completely described by adopting a mode of a specific embodiment in combination with the attached drawings.
Please refer to fig. 1, fig. 2 and fig. 3 simultaneously, the novel rotor structure of the permanent magnet motor comprises a motor shaft 1, a front rotor pressing ring 2, a rotor punching sheet 3, a rear rotor pressing ring 4, a plurality of fixing bolts 5 and permanent magnets 6, wherein the rotor punching sheet 3 is assembled on the motor shaft 1, the permanent magnets 6 are assembled with the rotor punching sheet 3, the front rotor pressing ring 2 is fixedly assembled with the front ends of the rotor punching sheet 3 and the permanent magnets 6 through the fixing bolts, and the rear rotor pressing ring 4 is fixedly assembled with the rear ends of the rotor punching sheet 3 and the permanent magnets 6 through the fixing bolts 5. The fixing bolt 5 is a stud bolt.
The front rotor pressing ring 2 and the rear rotor pressing ring 4 are identical in structure, the front rotor pressing ring 2 comprises a rotor body 20, weight reduction grooves 21 and first installation screw holes 22, the weight reduction grooves 21 are uniformly distributed and circumferentially arranged on the rotor body 20, one first installation screw hole 22 is arranged between every two adjacent weight reduction grooves 21, fixing bolts 5 are inserted into the first installation screw holes 22 of the front rotor pressing ring 2 and tightly support the front end of a rotor punching sheet 3, and the fixing bolts 5 are inserted into the first installation screw holes of the rear rotor pressing ring 4 and tightly support the rear end of the rotor punching sheet 3.
The front rotor pressure ring 2 further comprises second mounting screw holes 23, and the second mounting screw holes 23 are uniformly distributed on the outer edge of the rotor body 20. The second mounting screw holes 23 are screw holes for dynamic balance. The novel rotor structure of permanent-magnet machine still includes preceding baffle 7 and backplate 8, the structure of preceding baffle 7 and backplate 8 is the same, preceding baffle 7 and backplate 8 are the loop configuration, set up interior screw hole an and outer screw hole b on preceding baffle 7 and the backplate 8, the interior screw hole an evenly distributed of preceding baffle 7 and backplate 8 is in the inboard edge of preceding baffle 7 and backplate 8, and become the circumference arrangement, the outer screw b of preceding baffle 7 and backplate 8 all with distribute in preceding baffle 7 and 8 outside edges of backplate, and become the circumference arrangement, the interior screw hole a of preceding baffle 7 and backplate 8 overlaps with the second installation screw of preceding rotor clamping ring 2 and backplate clamping ring 4 respectively and joins in marriage the dress through stud, stud passes outer screw b and compresses tightly rotor pressing rotor 3.
The rotor punching sheet 3 is laminated by utilizing the front rotor pressing ring 2 and the rear rotor pressing ring 4, the front rotor pressing ring 2, the rear rotor pressing ring 4 and the motor shaft 1 are fixed with the motor shaft 1 in an electric welding mode at a position close to the motor shaft 1, the rotor punching sheet 3, the front rotor pressing ring 2 and the rear rotor pressing ring 4 are provided with second mounting screw holes 23 at positions close to the outer circle, and the second mounting screw holes 23 penetrate through stud bolts for fastening. The structure of the utility model can ensure that the rotor with larger outer diameter is laminated into the rotor meeting the use requirement.
It should be noted that the embodiments described herein are only some embodiments of the present invention, and not all implementations of the present invention, and the embodiments are only examples, which are only used to provide a more intuitive and clear understanding of the present invention, and are not intended to limit the technical solutions of the present invention. Other embodiments, as well as other simple alternatives and variations to the embodiments of the present invention, which will occur to persons skilled in the art without inventive faculty, are within the scope of the utility model.
Claims (5)
1. A novel rotor structure of a permanent magnet motor is characterized in that: the novel rotor structure of permanent-magnet machine includes motor shaft, preceding rotor clamping ring, rotor punching, back rotor clamping ring, a plurality of fixing bolt and permanent magnet, and the rotor punching is joined in marriage and is adorned on the motor shaft, and the permanent magnet is joined in marriage with the rotor punching and is adorned, and preceding rotor clamping ring passes through fixing bolt and the fixed dress of joining in marriage of the front end of rotor punching and permanent magnet, and back rotor clamping ring passes through fixing bolt and the fixed dress of joining in marriage of the rear end of rotor punching and permanent magnet.
2. The new rotor structure of permanent magnet machine of claim 1, characterized in that: the fixing bolt is a stud bolt.
3. The new rotor structure of permanent magnet machine of claim 2, characterized in that: the front rotor pressing ring and the rear rotor pressing ring are identical in structure, the front rotor pressing ring comprises a rotor body, weight reduction grooves and first installation screw holes, the weight reduction grooves are uniformly distributed and are circumferentially arranged on the rotor body, the first installation screw hole is arranged between every two adjacent weight reduction grooves, fixing bolts are inserted into the first installation screw holes of the front rotor pressing ring and tightly support the front end of a rotor punching sheet, and the fixing bolts are inserted into the first installation screw holes of the rear rotor pressing ring and tightly support the rear end of the rotor punching sheet.
4. The new rotor structure of permanent magnet machine of claim 3, characterized in that: the front rotor pressing ring further comprises second mounting screw holes, and the second mounting screw holes are evenly distributed in the outer edge of the rotor body.
5. The new rotor structure of permanent magnet machine of claim 4, characterized in that: the novel rotor structure of the permanent magnet motor further comprises a front baffle and a rear baffle, the front baffle and the rear baffle are of annular structures, inner screw holes and outer screw holes are formed in the front baffle and the rear baffle, the inner screw holes of the front baffle and the rear baffle are uniformly distributed at the inner side edges of the front baffle and the rear baffle and are arranged in a circumferential mode, the outer screw holes of the front baffle and the rear baffle are uniformly distributed at the outer side edges of the front baffle and the rear baffle and are arranged in a circumferential mode, the inner screw holes of the front baffle and the rear baffle are overlapped with second installation screw holes of a front rotor clamping ring and a rear rotor clamping ring respectively and are assembled through the stud, and the stud penetrates through the outer screw holes to press the rotor punching sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064461.5U CN216981634U (en) | 2022-01-11 | 2022-01-11 | Novel rotor structure of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064461.5U CN216981634U (en) | 2022-01-11 | 2022-01-11 | Novel rotor structure of permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216981634U true CN216981634U (en) | 2022-07-15 |
Family
ID=82352659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220064461.5U Active CN216981634U (en) | 2022-01-11 | 2022-01-11 | Novel rotor structure of permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216981634U (en) |
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2022
- 2022-01-11 CN CN202220064461.5U patent/CN216981634U/en active Active
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