CN217240485U

CN217240485U - High-speed spindle motor

Info

Publication number: CN217240485U
Application number: CN202220088618.8U
Authority: CN
Inventors: 梁秀芬
Original assignee: Taizhou Baigela Electromechanical Co ltd
Current assignee: Taizhou Baigela Electromechanical Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-19
Anticipated expiration: 2032-01-13

Abstract

The utility model provides a high-speed spindle motor belongs to mechanical technical field. The problems that an existing high-speed spindle motor is inconvenient to adjust balance of a rotating shaft and is not stable and reliable in structure are solved. This high-speed spindle motor, including the casing, be equipped with stator, rotor and pivot in the casing, the pivot links firmly with the rotor mutually, and the front end of casing links firmly front end housing and pivot and passes the front end housing, and the rear end of casing links firmly the rear end housing, has linked firmly the balanced regulating block that is the tube-shape in the pivot, and the balanced regulating block is located the front end housing, and pivot and the coaxial setting of balanced regulating block and balanced regulating block are used for setting up the lightening hole. The high-speed spindle motor has the advantages of convenient adjustment of the balance of the rotating shaft and stable and reliable structure.

Description

High-speed spindle motor

Technical Field

The utility model belongs to the technical field of machinery, a motor, especially a high-speed spindle motor are related to.

Background

The high-speed motor generally refers to a motor with the rotating speed of more than 10000r/min, and has the characteristics of small volume, high transmission efficiency, low noise and quick dynamic response. Because the high-speed motor has higher rotating speed, compared with the common motor, the high-speed motor has higher requirements on heat dissipation and vibration. Because of the problems of winding heating, structural wear and the like, the temperature of each component of the motor is increased along with the working time, and the higher temperature can limit the output of the motor and reduce the efficiency of the motor while shortening the service life of each component. In order to solve the heat dissipation problem of the motor, at present, most manufacturers mainly mount a heat dissipation fan at a non-shaft extension end of the motor to forcibly dissipate heat inside the motor, but the heat dissipation efficiency is low in the mode, and the heat dissipation requirement of the high-speed motor cannot be met. In addition, the vibration of the motor is usually caused by the dynamic unbalance of the rotor and the rotating shaft of the motor, which not only causes unnecessary energy consumption, but also damages components of the motor such as bearings and the like, and shortens the service life of the motor. At present, people adjust the dynamic unbalance problem of a motor rotor and a rotating shaft by riveting a balance weight on a rotor core, so that the motor rotor is inconvenient to adjust and the structure is not stable and reliable enough.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a have that the adjustment pivot is balanced convenient and reliable high-speed spindle motor of stable in structure.

The purpose of the utility model can be realized by the following technical proposal: high-speed spindle motor, including the casing, the casing in be equipped with stator, rotor and pivot, the pivot with the rotor link firmly mutually, the front end of casing link firmly just the pivot pass the front end housing, the rear end of casing link firmly the rear end cap, its characterized in that, the pivot on link firmly be the balanced regulating block of tube-shape, balanced regulating block be located the front end housing in, the pivot with balanced regulating block coaxial setting just balanced regulating block be used for setting up the lightening hole.

During the assembly, assemble this high spindle motor, carry out the action balance inspection on motor balance tester, when the motor exists unbalance, through directly processing the lightening hole on the balanced regulating block, it is high to have the regulation precision to improve the balance of this motor, had the convenient and reliable advantage of stable in structure of regulation simultaneously.

In the high-speed spindle motor, the balance adjusting block is sleeved on the outer side of the rotating shaft and is in interference fit with the rotating shaft. Interference fit between balanced regulating block and the pivot has convenient assembling and firm in connection's advantage.

In the high-speed spindle motor, the front end cover is fixedly connected with a dust cover plate, the rotating shaft penetrates through the dust cover plate, and the balance adjusting block is positioned on the inner side of the dust cover plate. Through setting up the dust apron, can avoid the dust to enter into the casing in, improve life.

In the high-speed spindle motor, the inner end of the rotating shaft is fixedly connected with a balance adjusting block II, and the balance adjusting block II is provided with lightening holes. Through setting up balance adjustment block two, be convenient for adjust the balance to the countershaft rear end, have and adjust convenient and reliable advantage of stable in structure.

In the high-speed spindle motor, the balance adjusting block II is fixedly connected with the rotating shaft through threads. The second balance adjusting block is fixedly connected with the rotating shaft through threads, and the device has the advantages of simple structure and convenience in connection.

In the high-speed spindle motor, the outer side of the rear end of the shell is fixedly connected with a rear cover, and the balance adjusting block is positioned in the rear cover. Through setting up the rear cover, play the protection effect to balanced regulating block two, improved life.

In the high-speed spindle motor, the rotating shaft is fixedly connected with a feedback device, and the feedback device is positioned on the inner side of the balance adjusting block II.

In the high-speed spindle motor, a spring pad is arranged between the feedback device and the second balance adjusting block, and two end faces of the spring pad respectively abut against the feedback device and the second balance adjusting block. A spring pad is arranged between the feedback device and the second balance adjusting block, so that the connecting effect is good, and the looseness of the second balance adjusting block is avoided.

In the high-speed spindle motor, the rear end of the casing is fixedly connected with a fan housing, the fan housing is arranged on the outer side of the rear cover in a covering manner, and a fan is arranged in the fan housing. Dispel the heat through the fan that sets up in the fan housing, have simple structure and radiating effect's good advantage.

Compared with the prior art, the high-speed spindle motor has the following advantages:

1. the motor balance tester is used for carrying out action balance check, and when the motor is unbalanced, the balance adjusting block is directly processed with lightening holes, so that the motor has high adjusting precision, the balance of the motor is improved, and the motor has the advantages of convenience in adjustment and stable and reliable structure;

2. the balance adjusting block is in interference fit with the rotating shaft, and the balance adjusting block has the advantages of convenience in assembly and firmness in connection;

3. the second balance adjusting block is fixedly connected with the rotating shaft through threads, and the balance adjusting device has the advantages of simple structure and convenience in connection;

4. a spring pad is arranged between the feedback device and the second balance adjusting block, so that the connecting effect is good, and the looseness of the second balance adjusting block is avoided.

Drawings

Fig. 1 is a perspective view of the present high-speed spindle motor.

Fig. 2 is a schematic cross-sectional view of the present high-speed spindle motor.

Fig. 3 is a schematic sectional view of the balance adjustment block of the present high-speed spindle motor.

In the figure, 1, a housing; 2. a stator; 3. a rotor; 4. a rotating shaft; 5. a front end cover; 6. A rear end cap; 7. a balance adjusting block; 8. lightening holes; 9. a dust cover plate; 10. a balance adjusting block II; 11. a rear cover; 12. a feedback device; 13. a spring pad; 14. and a fan housing.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the high-speed spindle motor includes a housing 1, a stator 2, a rotor 3 and a rotating shaft 4 are arranged in the housing 1, the rotating shaft 4 is fixedly connected with the rotor 3, a front end cover 5 is fixedly connected to the front end of the housing 1, the rotating shaft 4 penetrates through the front end cover 5, and a rear end cover 6 is fixedly connected to the rear end of the housing 1, and is characterized in that a cylindrical balance adjusting block 7 is fixedly connected to the rotating shaft 4, the balance adjusting block 7 is located in the front end cover 5, the rotating shaft 4 and the balance adjusting block 7 are coaxially arranged, and the balance adjusting block 7 is used for setting a lightening hole 8.

The balance adjusting block 7 is sleeved on the outer side of the rotating shaft 4, the balance adjusting block 7 is in interference fit with the rotating shaft 4, and the balance adjusting device has the advantages of being convenient to assemble and firm in connection.

The front end cover 5 is fixedly connected with a dust cover plate 9, the rotating shaft 4 penetrates through the dust cover plate 9, and the balance adjusting block 7 is located on the inner side of the dust cover plate 9, so that dust can be prevented from entering the machine shell 1, and the service life is prolonged.

The inner end of the rotating shaft 4 is fixedly connected with a second balance adjusting block 10, the second balance adjusting block 10 is used for arranging lightening holes 8, and the second balance adjusting block 10 is fixedly connected with the rotating shaft 4 through threads.

The outer side of the rear end of the machine shell 1 is fixedly connected with a rear cover 11, and a second balance adjusting block 10 is positioned in the rear cover 11, so that the second balance adjusting block 10 is protected, and the service life is prolonged.

A feedback device 12 is fixedly connected to the rotating shaft 4, and the feedback device 12 is positioned at the inner side of the second balance adjusting block 10.

A spring pad 13 is arranged between the feedback device 12 and the second balance adjusting block 10, two end faces of the spring pad 13 are respectively abutted against the feedback device 12 and the second balance adjusting block 10, and the spring adjusting device has a good connecting effect and avoids the looseness of the second balance adjusting block 10.

The rear end of the casing 1 is fixedly connected with a fan housing 14, the fan housing 14 covers the outer side of the rear cover 11, and a fan is arranged in the fan housing 14.

During the assembly, assemble this high spindle motor, action balance inspection on motor balance tester, when the motor exists unbalance, through directly processing lightening hole 8 on to balanced regulating block 7, through setting up balanced regulating block two 10, be convenient for adjust the balance to 4 rear ends of countershaft, it is high to have the adjustment precision to improve the balance of this motor, had and adjusted convenient and stable in structure reliable's advantage.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the casing 1, the stator 2, the rotor 3, the rotating shaft 4, the front end cover 5, the rear end cover 6, the balance adjusting block 7, the lightening hole 8, the dust cover plate 9, the second balance adjusting block 10, the rear cover 11, the feedback device 12, the spring pad 13, the fan housing 14 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The high-speed spindle motor comprises a housing (1), wherein a stator (2), a rotor (3) and a rotating shaft (4) are arranged in the housing (1), the rotating shaft (4) is fixedly connected with the rotor (3), the front end of the housing (1) is fixedly connected with a front end cover (5), the rotating shaft (4) penetrates through the front end cover (5), and the rear end of the housing (1) is fixedly connected with a rear end cover (6).

2. The high-speed spindle motor according to claim 1, wherein the balance adjusting block (7) is sleeved on the outer side of the rotating shaft (4) and the balance adjusting block (7) is in interference fit with the rotating shaft (4).

3. The high-speed spindle motor according to claim 1, wherein the front end cover (5) is fixedly connected with a dust cover plate (9) and the rotating shaft (4) penetrates through the dust cover plate (9), and the balance adjusting block (7) is located on the inner side of the dust cover plate (9).

4. The high-speed spindle motor according to claim 1, wherein a second balance adjusting block (10) is fixedly connected to an inner end of the rotating shaft (4), and the second balance adjusting block (10) is provided with a lightening hole (8).

5. The high-speed spindle motor according to claim 4, wherein the second balance adjusting block (10) is fixedly connected with the rotating shaft (4) through threads.

6. A high-speed spindle motor according to claim 4 or 5, characterized in that a rear cover (11) is fixed to the outer side of the rear end of the housing (1), and the second balance adjusting block (10) is located in the rear cover (11).

7. A high-speed spindle motor according to claim 4 or 5, characterized in that the rotating shaft (4) is fixedly connected with a feedback device (12) and the feedback device (12) is positioned at the inner side of the second balance adjusting block (10).

8. The high-speed spindle motor according to claim 7, wherein a spring pad (13) is disposed between the feedback device (12) and the second balance adjusting block (10), and two end faces of the spring pad (13) respectively abut against the feedback device (12) and the second balance adjusting block (10).

9. The high-speed spindle motor according to claim 6, wherein a fan housing (14) is fixedly connected to the rear end of the housing (1), the fan housing (14) is covered on the outer side of the rear cover (11), and a fan is arranged in the fan housing (14).