CN214590825U - Rotor capable of improving torque performance of motor - Google Patents
Rotor capable of improving torque performance of motor Download PDFInfo
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- CN214590825U CN214590825U CN202120612486.XU CN202120612486U CN214590825U CN 214590825 U CN214590825 U CN 214590825U CN 202120612486 U CN202120612486 U CN 202120612486U CN 214590825 U CN214590825 U CN 214590825U
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- magnetic steel
- torque performance
- linkage segment
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Abstract
A rotor capable of improving torque performance of a motor, comprising: the integrated into one piece's pivot and integrated into one piece's magnet steel, be equipped with a linkage segment that is used for being in the same place its and magnet steel connection in the pivot, a plurality of ring channels have radially been seted up to this linkage segment, be equipped with in the ring channel and be used for fixing magnet steel and linkage segment bonding in the gluey of an organic whole, and the interval between two adjacent ring channels equals. The rotor capable of improving the torque performance of the motor has higher reliability, the eddy current loss of the motor cannot be increased, and the working efficiency is improved while the manufacturing cost and the manufacturing difficulty are reduced.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the motor, concretely relates to can improve rotor of motor torque performance.
[ background of the invention ]
In the process of electric machineries manufacturing, machining errors of a stator and a rotor exist certainly, wherein machining errors of sizes of a rotor punching sheet, a rotating shaft and magnetic steel, errors of magnetizing performance of the magnetic steel and the like come from the rotor side. The above errors, the matching tolerance between the magnetic steel and the rotor punching sheet and between the rotor punching sheet and the rotating shaft can increase the cogging torque and the torque ripple of the motor, and the phenomenon is more obvious in fractional-slot concentrated windings. In addition, for the convenience of processing and manufacturing and the sine property of a magnetic field, a surface-mounted structure is mostly adopted in the sine modulated permanent magnet synchronous motor, and in order to prevent the magnetic steel from being separated, a layer of weftless tape is often bound on the periphery of the magnetic steel or a layer of steel sleeve is added, however, the method reduces the physical air gap of the motor, increases the manufacturing cost and the manufacturing difficulty, and simultaneously, the eddy current loss of the motor is increased due to the existence of the steel sleeve, and the working efficiency is reduced.
[ Utility model ] content
In order to solve the problem, the utility model provides a can improve rotor of motor torque performance has higher reliability, can not increase the eddy current loss of motor, has improved work efficiency when reducing manufacturing cost and the manufacturing degree of difficulty.
The utility model discloses a realize through following technical scheme, provide a rotor that can improve motor torque performance, include: the integrated into one piece's pivot and integrated into one piece's magnet steel, be equipped with a linkage segment that is used for being in the same place its and magnet steel connection in the pivot, a plurality of ring channels have radially been seted up to this linkage segment, be equipped with in the ring channel and be used for fixing magnet steel and linkage segment bonding in the gluey of an organic whole, and the interval between two adjacent ring channels equals.
Particularly, one end part of the connecting section is provided with a cylindrical stop block, and the length of the connecting section is equal to that of the magnetic steel.
Particularly, the outer wall of the magnetic steel is radially provided with a plurality of arc-shaped bosses, so that the outer section of the magnetic steel is in a petal shape, and the number of the arc-shaped bosses is equal to the number of poles of the motor.
Particularly, the outer wall of the connecting section is a regular polygon, the outer part of the magnetic steel is circular, and the inner wall of the magnetic steel is in a regular prism shape matched with the outer wall of the connecting section.
In particular, the groove depth of the annular groove is 0.05mm-0.1mm, and the thickness of the glue coated in the annular groove is equal to the groove depth.
The utility model provides a rotor which can improve the torque performance of the motor, without a rotor punching sheet, and reduces the processing error brought by the rotor punching sheet; the magnetic steel is integrally formed, a weftless tape and a steel sleeve are not needed, the reliability of the magnetic steel is improved, the manufacturing cost and difficulty are reduced, errors caused in the processing and mounting processes are greatly smaller than those of a structure with a plurality of tile-shaped magnetic steels, the problem that the gap between two adjacent tile-shaped magnetic steels is unequal does not exist, the influence on the cogging torque caused by the processing and assembling of a rotor and the magnetic steel is greatly weakened and inhibited, and the magnetic steel has better torque performance; the groove filling glue is arranged at the connecting section, and the magnetic steel and the rotating shaft are connected into a whole, so that the sliding of the magnetic steel and the rotating shaft along the circumferential direction in the running process of the motor can be prevented, and the running reliability of the motor is improved; in addition, the glue is arranged in the groove, so that the matching error between the magnetic steel and the rotating shaft and the eccentricity of the magnetic steel caused by the thickness of the glue coating layer can be reduced to the maximum extent, and the torque performance of the motor during design is ensured. The rotor has fewer production processes, is convenient to machine and manufacture, and can ensure the torque performance of the motor while improving the production efficiency.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a first embodiment of a rotor according to the present invention, which can improve the torque performance of a motor;
fig. 2 is a schematic structural diagram of a rotating shaft of an embodiment of the rotor according to the present invention, which can improve the torque performance of the motor;
FIG. 3 is a cross-sectional view of a magnetic steel according to an embodiment of the present invention, which can improve the torque performance of the motor;
fig. 4 is a schematic structural diagram of a second embodiment of the rotor according to the present invention, which can improve the torque performance of the motor;
FIG. 5 is a cross-sectional view of a second magnetic steel of an embodiment of a rotor of the present invention capable of improving torque performance of a motor;
fig. 6 is a schematic structural diagram of a third embodiment of the rotor according to the present invention, which can improve the torque performance of the motor;
fig. 7 is a schematic structural diagram of three rotating shafts of an embodiment of a rotor according to the present invention, which can improve the torque performance of a motor;
fig. 8 is a cross-sectional view of three magnetic steels of an embodiment of the rotor capable of improving the torque performance of the motor.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1 to 3, the present invention provides a rotor capable of improving torque performance of a motor, including: integrated into one piece's pivot 1 and integrated into one piece's magnet steel 2, be equipped with a linkage segment 3 that is used for linking together its and magnet steel 2 in the pivot 1, a plurality of ring channels 4 have radially been seted up to this linkage segment 3, be equipped with in the ring channel 4 and be used for fixing magnet steel 2 and linkage segment 3 bonding at integrative glue, and the interval between two adjacent ring channels 4 equals, so make the distribution of gluing more even, make the connection between pivot and the magnet steel inseparabler, the atress is more even.
Specially, a cylindrical stop block 5 is arranged at one end of the connecting section 3, the length of the connecting section 3 is equal to that of the magnetic steel 2, due to the design, the stop block can prevent the magnetic steel from being excessively inserted in the installation process and being incapable of better contacting with the connecting section, the magnetic steel can be completely contacted with the rotating shaft due to the equal length, and the magnetic steel is prevented from sliding in the circumferential direction due to insufficient contact parts in long-term use.
Particularly, the wall of the magnetic steel 2 is radially provided with a plurality of arc-shaped bosses 6, so that the outer section of the magnetic steel 2 is in a petal shape, and the number of the outer arc-shaped bosses 6 is equal to the number of poles of the motor; by the design, the magnetizing mechanism can be simplified when the magnetic field waveform is required to be sinusoidal or partially sinusoidal.
Particularly, the outer wall of the connecting section 3 is a regular polygon, the outer surface of the magnetic steel 2 is circular, and the inner wall of the magnetic steel is in a regular prism shape matched with the outer wall of the connecting section 3; by the design, the magnetic steel and the rotating shaft can be prevented from rotating during working while being beneficial to forming sine of magnetic field waves, so that the torque performance of the motor is further improved.
Particularly, the groove depth of the annular groove 4 is 0.05mm-0.1mm, and the thickness of the glue coated in the annular groove 4 is equal to the groove depth; so design, after magnet steel and linkage segment assembly, glue can be fine link together magnet steel and linkage segment, prevent to glue too much and spill over along the tip contact surface of linkage segment and magnet steel to be convenient for follow-up installation when preventing the rubber coating extravagant.
Example two
Referring to fig. 1 to 3, the present invention provides a rotor capable of improving torque performance of a motor, including: integrated into one piece's pivot 1 and integrated into one piece's magnet steel 2, be equipped with a linkage segment 3 that is used for linking together its and magnet steel 2 in the pivot 1, a plurality of ring channels 4 have radially been seted up to this linkage segment 3, be equipped with in the ring channel 4 and be used for fixing magnet steel 2 and linkage segment 3 bonding at integrative glue, and the interval between two adjacent ring channels 4 equals, so make the distribution of gluing more even, make the connection between pivot and the magnet steel inseparabler, the atress is more even.
Specially, a cylindrical stop block 5 is arranged at one end of the connecting section 3, the length of the connecting section 3 is equal to that of the magnetic steel 2, due to the design, the stop block can prevent the magnetic steel from being excessively inserted in the installation process and being incapable of better contacting with the connecting section, the magnetic steel can be completely contacted with the rotating shaft due to the equal length, and the magnetic steel is prevented from sliding in the circumferential direction due to insufficient contact parts in long-term use.
Particularly, the wall of the magnetic steel 2 is radially provided with a plurality of arc-shaped bosses 6, so that the outer section of the magnetic steel 2 is in a petal shape, and the number of the outer arc-shaped bosses 6 is equal to the number of poles of the motor; by the design, the magnetizing mechanism can be simplified when the magnetic field waveform is required to be sinusoidal or partially sinusoidal.
Particularly, the groove depth of the annular groove 4 is 0.05mm-0.1mm, and the thickness of the glue coated in the annular groove 4 is equal to the groove depth; so design, after magnet steel and linkage segment assembly, glue can be fine link together magnet steel and linkage segment, prevent to glue too much and spill over along the tip contact surface of linkage segment and magnet steel to be convenient for follow-up installation when preventing the rubber coating extravagant.
EXAMPLE III
Referring to fig. 1 to 3, the present invention provides a rotor capable of improving torque performance of a motor, including: integrated into one piece's pivot 1 and integrated into one piece's magnet steel 2, be equipped with a linkage segment 3 that is used for linking together its and magnet steel 2 in the pivot 1, a plurality of ring channels 4 have radially been seted up to this linkage segment 3, be equipped with in the ring channel 4 and be used for fixing magnet steel 2 and linkage segment 3 bonding at integrative glue, and the interval between two adjacent ring channels 4 equals, so make the distribution of gluing more even, make the connection between pivot and the magnet steel inseparabler, the atress is more even.
Specially, a cylindrical stop block 5 is arranged at one end of the connecting section 3, the length of the connecting section 3 is equal to that of the magnetic steel 2, due to the design, the stop block can prevent the magnetic steel from being excessively inserted in the installation process and being incapable of better contacting with the connecting section, the magnetic steel can be completely contacted with the rotating shaft due to the equal length, and the magnetic steel is prevented from sliding in the circumferential direction due to insufficient contact parts in long-term use.
Particularly, the outer wall of the connecting section 3 is a regular polygon, the outer surface of the magnetic steel 2 is circular, and the inner wall of the magnetic steel is in a regular prism shape matched with the outer wall of the connecting section 3; by the design, the magnetic steel and the rotating shaft can be prevented from rotating during working while being beneficial to forming sine of magnetic field waves, so that the torque performance of the motor is further improved.
Particularly, the groove depth of the annular groove 4 is 0.05mm-0.1mm, and the thickness of the glue coated in the annular groove 4 is equal to the groove depth; so design, after magnet steel and linkage segment assembly, glue can be fine link together magnet steel and linkage segment, prevent to glue too much and spill over along the tip contact surface of linkage segment and magnet steel to be convenient for follow-up installation when preventing the rubber coating extravagant.
In the utility model discloses in, also can process the helicla flute on the linkage segment, so be convenient for process, can practice thrift man-hour, but the ring channel be convenient for gummed distribution, in practical application, can choose to process into helicla flute or ring channel as required, the utility model discloses the drawing explains with the ring channel as an example. The depth of the spiral groove or the annular groove is selected according to the material property requirement of the selected glue, the smaller the material property requirement range is, the better the material property requirement range is, thus the magnetic resistance of the magnetic circuit of the electromagnetic rotor can be reduced, the air gap magnetic field intensity can be increased, under the condition that other conditions are not changed, the torque and the power density of the motor can be improved, generally about 0.05mm to 0.1mm is selected, the width and the interval of the annular groove or the spiral groove are selected, firstly, the required adhesive force of the adhesive layer is calculated according to the rotating speed of the rotor and the mass of the magnetic steel part, then obtaining the required thickness and area of the adhesive layer according to the material property of the selected adhesive, finally selecting the width of the groove and the distance between the adjacent grooves on the premise of ensuring the required thickness and area of the adhesive layer, the smaller the width is, the larger the distance is, the better the magnetic circuit reluctance of the electromagnetic rotor is, the magnetic field intensity of an air gap is increased, and the torque and the power density of the motor can be improved under the condition that other conditions are not changed.
Claims (5)
1. A rotor for improving torque performance of a motor, comprising: integrated into one piece's pivot (1) and integrated into one piece's magnet steel (2), be equipped with one in pivot (1) and be used for connecting its linkage segment (3) together with magnet steel (2), a plurality of ring channels (4) have radially been seted up in this linkage segment (3), be equipped with in ring channel (4) and be used for fixing magnet steel (2) and linkage segment (3) bonding in the gluey of an organic whole, and the interval between two adjacent ring channels (4) equals.
2. A rotor capable of improving the torque performance of a motor according to claim 1, wherein a cylindrical stopper (5) is provided at one end of the connecting section (3), and the length of the connecting section (3) is equal to that of the magnetic steel (2).
3. The rotor capable of improving the torque performance of the motor according to claim 1, wherein the wall of the magnetic steel (2) is radially provided with a plurality of arc-shaped bosses (6) so that the outer cross section of the magnetic steel (2) is in a petal shape, and the number of the outer arc-shaped bosses (6) is equal to the number of poles of the motor.
4. The rotor capable of improving the torque performance of the motor is characterized in that the outer wall of the connecting section (3) is a regular polygon, the outer part of the magnetic steel (2) is circular, and the inner wall of the magnetic steel is in a regular prism shape matched with the outer wall of the connecting section (3).
5. A rotor capable of improving the torque performance of a motor according to claim 1, wherein the groove depth of the annular groove (4) is 0.05mm-0.1mm, and the thickness of the glue in the annular groove (4) is equal to the groove depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612486.XU CN214590825U (en) | 2021-03-26 | 2021-03-26 | Rotor capable of improving torque performance of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612486.XU CN214590825U (en) | 2021-03-26 | 2021-03-26 | Rotor capable of improving torque performance of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214590825U true CN214590825U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120612486.XU Active CN214590825U (en) | 2021-03-26 | 2021-03-26 | Rotor capable of improving torque performance of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214590825U (en) |
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2021
- 2021-03-26 CN CN202120612486.XU patent/CN214590825U/en active Active
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