CN219477816U - Electric spindle motor with support bearing - Google Patents
Electric spindle motor with support bearing Download PDFInfo
- Publication number
- CN219477816U CN219477816U CN202320687542.5U CN202320687542U CN219477816U CN 219477816 U CN219477816 U CN 219477816U CN 202320687542 U CN202320687542 U CN 202320687542U CN 219477816 U CN219477816 U CN 219477816U
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- rotating shaft
- spindle motor
- adjustment base
- rear end
- support bearing
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Abstract
The utility model discloses an electric spindle motor with a support bearing, which comprises a casing, wherein a stator, a rotor and a rotating shaft are arranged in the casing, the rotating shaft is fixedly connected with the rotor, the stator is fixedly arranged on the inner wall of the casing, which is opposite to the rotor, the front end of the casing is fixedly connected with a front end cover, the rotating shaft penetrates through the front end cover, the rear end of the casing is fixedly connected with a rear end cover, the electric spindle motor further comprises a first adjusting structure, the first adjusting structure is fixedly arranged at the end part, close to the front end cover, of the rotating shaft, the front bearing is arranged on the rotating shaft at the rear end of the first adjusting structure, and a second adjusting structure is fixedly arranged on the rotating shaft at the rear end of the rotor; has the advantages of accurately adjusting the counterweight and preventing vibration.
Description
Technical Field
The utility model relates to the technical field of mechanical processing shafts, in particular to an electric spindle motor with a support bearing.
Background
The high-speed motor is usually a motor with the rotating speed exceeding 10000r/min, and has the characteristics of small volume, high transmission efficiency, low noise and quick dynamic response. Because of the high rotational speed of the high-speed motor, it is more demanding in terms of heat dissipation and vibration than a general motor. Vibration of the motor is usually caused by unbalance of the rotor and the rotating shaft of the motor, which can not only cause unnecessary energy consumption, but also damage parts such as bearings of the motor, and the like, so that the service life of the motor is shortened. At present, people adjust the dynamic unbalance problem of a motor rotor and a rotating shaft by riveting a counterweight on a rotor core, so that the motor rotor and the rotating shaft are inconvenient to adjust and have an unstable and reliable structure.
The above problems can be solved by providing an electric spindle motor with a support bearing.
Disclosure of Invention
The utility model aims to solve the technical problems that at present, the dynamic unbalance of a motor rotor and a rotating shaft is adjusted by riveting a counterweight on a rotor core, so that the adjustment is inconvenient, the structure is not stable and reliable, and the utility model provides an electric spindle motor with a support bearing, which comprises:
the motor comprises a housing, a stator, a rotor and a rotating shaft are arranged in the housing, the rotating shaft is fixedly connected with the rotor, the stator is fixedly arranged on the inner wall of the housing, which is opposite to the rotor, the front end of the housing is fixedly connected with a front end cover, the rotating shaft penetrates through the front end cover, the rear end of the housing is fixedly connected with a rear end cover, the motor further comprises a first adjusting structure, the first adjusting structure is fixedly arranged at the end part of the rotating shaft, which is close to the front end cover, a front bearing is arranged on the rotating shaft at the rear end of the first adjusting structure, a second adjusting structure is fixedly arranged on the rotating shaft at the rear end of the rotor,
the first adjusting structure comprises a first adjusting base, a plurality of first balancing weights and a first balancing weight fixing cover, and the first adjusting base, the plurality of first balancing weights and the first balancing weight fixing cover are coaxially arranged with the rotating shaft;
the second adjusting structure comprises a second adjusting base, a plurality of second balancing weights and a second balancing weight fixing cover, wherein the second adjusting base, the second balancing weights and the second balancing weight fixing cover are coaxially arranged with the rotating shaft.
Further, the first adjusting base and the second adjusting base are sleeved on the rotating shaft, the first adjusting base and the second adjusting base are in interference fit, and threads are formed on the first adjusting base and the second adjusting base.
Further, the first balancing weight is sleeved on the first adjusting base, and threads are arranged on the inner wall of the first balancing weight and matched with the threads on the first adjusting base.
Further, the second balancing weight is sleeved on the second adjusting base, and threads are arranged on the inner wall of the second balancing weight and matched with the threads on the second adjusting base.
Further, the first balancing weight fixing cover is detachably connected with the first adjusting base.
Further, the second balancing weight fixing cover is detachably connected with the second adjusting base.
Further, the front end cover is fixedly connected with a dust cover plate, the rotating shaft penetrates through the dust cover plate, and the first adjusting structure is located on the inner side of the dust cover plate.
Further, the rear end of the shell is fixedly connected with a fan housing, the fan housing is arranged on the outer side of the rear end, and a fan is arranged in the fan housing.
The implementation of the utility model has the following beneficial effects:
1. when the motor is unbalanced, the first balancing weight and the second balancing weight are increased or decreased, and even if the unbalance is caused by abrasion of a main shaft and the like in the subsequent use process, the balance can be adjusted by independently changing the weights of the first balancing weight and the second balancing weight, so that the motor balance tester has the advantages of high adjustment precision, convenience in operation and stable and reliable structure.
Drawings
FIG. 1 is a block diagram of the present utility model;
fig. 2 is a block diagram of a first adjustment structure of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 of the specification, the technical problem to be solved in this embodiment is that at present, people adjust the dynamic unbalance problem of a motor rotor and a rotating shaft by riveting a counterweight on a rotor core, so that the adjustment is inconvenient and the structure is not stable and reliable enough, and therefore, an electric spindle motor with a support bearing is provided, and the electric spindle motor with the support bearing comprises:
the machine shell 1, the stator 2, the rotor 3 and the rotating shaft 4 are arranged in the machine shell 1, the rotating shaft 4 is fixedly connected with the rotor 3, the stator 2 is fixedly arranged on the inner wall of the machine shell 1, which is opposite to the rotor 3, the front end of the machine shell 1 is fixedly connected with a front end cover, the rotating shaft 4 passes through the front end cover, the rear end of the machine shell 1 is fixedly connected with a rear end cover 10, a rear bearing 6 is arranged between the rear end cover 10 and the rotor, the machine shell further comprises a first adjusting structure 8, the first adjusting structure 8 is fixedly arranged at the end part of the rotating shaft 4, which is close to the front end cover, the front bearing 5 is arranged on the rotating shaft 4 at the rear end of the first adjusting structure 8, the rotating shaft 4 at the rear end of the rotor 3 is fixedly provided with a second adjusting structure 9,
the first adjusting structure 8 comprises a first adjusting base 803, a plurality of first balancing weights 802 and a first balancing weight fixing cover 801, which are coaxially arranged with the rotating shaft 4;
the second adjusting structure 9 comprises a second adjusting base, a plurality of second balancing weights and a second balancing weight fixing cover, and the second adjusting base, the plurality of second balancing weights and the second balancing weight fixing cover are coaxially arranged with the rotating shaft 4.
The first adjusting base and the second adjusting base are all sleeved on the rotating shaft 4, the first adjusting base and the second adjusting base are in interference fit, and threads are formed on the first adjusting base and the second adjusting base.
The first balancing weight sleeve is arranged on the first adjusting base, and threads are arranged on the inner wall of the first balancing weight in a matched mode with the threads on the first adjusting base.
The second balancing weight sleeve is arranged on the second adjusting base, and threads are arranged on the inner wall of the second balancing weight in a matched mode with the threads on the second adjusting base.
The first balancing weight fixing cover is detachably connected with the first adjusting base.
The second balancing weight fixing cover is detachably connected with the second adjusting base.
The dust cover plate 7 is fixedly connected to the front end cover, the rotating shaft 4 penetrates through the dust cover plate 7, and the first adjusting structure 8 is located on the inner side of the dust cover plate 7.
The rear end of the shell 1 is fixedly connected with a fan housing 12, the fan housing 12 is arranged at the outer side of the rear end, and a fan 11 is arranged in the fan housing 12.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The electric spindle motor with the support bearing is characterized by comprising a machine shell, wherein a stator, a rotor and a rotating shaft are arranged in the machine shell, the rotating shaft is fixedly connected with the rotor, the stator is fixedly arranged on the inner wall of the machine shell, which is opposite to the rotor, the front end of the machine shell is fixedly connected with a front end cover, the rotating shaft penetrates through the front end cover, the rear end of the machine shell is fixedly connected with a rear end cover, the electric spindle motor further comprises a first adjusting structure, the first adjusting structure is fixedly arranged at the end part, close to the front end cover, of the rotating shaft, a front bearing is arranged on the rotating shaft at the rear end of the first adjusting structure, and a second adjusting structure is fixedly arranged on the rotating shaft at the rear end of the rotor;
the first adjusting structure comprises a first adjusting base, a plurality of first balancing weights and a first balancing weight fixing cover, and the first adjusting base, the plurality of first balancing weights and the first balancing weight fixing cover are coaxially arranged with the rotating shaft;
the second adjusting structure comprises a second adjusting base, a plurality of second balancing weights and a second balancing weight fixing cover, wherein the second adjusting base, the second balancing weights and the second balancing weight fixing cover are coaxially arranged with the rotating shaft.
2. The motorized spindle motor with support bearings according to claim 1, wherein the first adjustment base and the second adjustment base are both sleeved on the rotating shaft, the first adjustment base and the second adjustment base are both in interference fit, and the first adjustment base and the second adjustment base are both provided with threads.
3. The motorized spindle motor with support bearing according to claim 2, wherein the first weight is sleeved on the first adjustment base, and threads are provided on an inner wall of the first weight in cooperation with threads on the first adjustment base.
4. The motorized spindle motor with support bearing according to claim 3, wherein the second weight is sleeved on the second adjustment base, and threads are provided on an inner wall of the second weight in cooperation with threads on the second adjustment base.
5. The motorized spindle motor with support bearing according to claim 4, wherein the first weight securing cover is removably coupled to the first adjustment base.
6. The motorized spindle motor with support bearing according to claim 5, wherein the second counterweight stationary cover is removably coupled to the second adjustment base.
7. The motorized spindle motor with support bearing according to claim 6, wherein the front end cap is fixedly connected with a dust cover plate and the rotating shaft passes through the dust cover plate, and the first adjusting structure is located at an inner side of the dust cover plate.
8. The motorized spindle motor with support bearing according to claim 7, wherein the rear end of the housing is fixedly connected with a fan housing, the fan housing is provided outside the rear end, and a fan is provided in the fan housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687542.5U CN219477816U (en) | 2023-03-31 | 2023-03-31 | Electric spindle motor with support bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687542.5U CN219477816U (en) | 2023-03-31 | 2023-03-31 | Electric spindle motor with support bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219477816U true CN219477816U (en) | 2023-08-04 |
Family
ID=87439476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320687542.5U Active CN219477816U (en) | 2023-03-31 | 2023-03-31 | Electric spindle motor with support bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219477816U (en) |
-
2023
- 2023-03-31 CN CN202320687542.5U patent/CN219477816U/en active Active
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| GR01 | Patent grant |