CN210724507U

CN210724507U - High-speed reciprocating rotation mechanism

Info

Publication number: CN210724507U
Application number: CN201921781938.6U
Authority: CN
Inventors: 谭庆林
Original assignee: Qingdao Gotop Automachine Equipment Co ltd
Current assignee: Qingdao Gotop Automachine Equipment Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-09
Anticipated expiration: 2029-10-23

Abstract

The utility model provides a high-speed reciprocating rotation mechanism, which comprises a rotation shaft and a fixed plate, wherein the top of the fixed plate is connected with a bearing fixing piece, the top of the bearing fixing piece is provided with a dustproof cover plate, the bearing fixing piece and the fixed plate form an enclosed space, a deep groove ball bearing and a radial bearing are arranged in the enclosed space, the radial bearing is provided with a pair of radial bearings, and the deep groove ball bearing and the radial bearing are sleeved outside the rotation shaft; a space is arranged between the deep groove ball bearing and the pair of radial bearings, and the deep groove ball bearing is positioned above the pair of radial bearings. The utility model ensures the concentricity and the up-down position precision of the stator during high-speed rotation; the motor rotates at high speed without annular jump, and the rotating shaft does not move axially, so that the production efficiency and quality of the motor are improved; the foreign materials can be prevented from entering the radial bearing, and the service life of the radial bearing is prolonged; simple structure, it is stable durable, the part is dismantled to change and is maintained conveniently.

Description

High-speed reciprocating rotation mechanism

Technical Field

The utility model relates to a brushless motor produces technical field, especially relates to a high-speed rotary mechanism that comes and goes.

Background

The development time of the brushless motor in China is short, but the brushless motor is rapidly developed along with the increasing maturity and perfection of the technology. Has been widely applied in fields of aeromodelling, medical apparatus, household appliances, electric vehicles and the like. In recent years, brushless motors have become a driving force for rapid development in the model field. Brushless motors are mostly used in middle and high-grade aeronautical models in the past few years due to yield and price, the production cost of the brushless motors is reduced greatly due to rapid development of machining technology, and the brushless motors enter various layers of the model field at present, namely, electric remote control cars, electric remote control boats and electric model airplanes. However, in the winding process of the stator of the existing brushless motor, annular runout is easy to occur when the rotating shaft rotates at a high speed under the action of the bearing, the rotating shaft is easy to move axially, and the concentricity is low; the structure is complicated and unstable, and the motor production stability is poor and the efficiency is not high. In order to improve the efficiency and quality of motor production, the stability and efficiency of motor production equipment need to be improved. The utility model discloses make brushless motor's stator at the high-speed accurate rotation in the wire winding process.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects, the utility model aims to provide a high-speed reciprocating rotation mechanism, which ensures the concentricity and the up-down position precision of the stator during high-speed rotation; the motor rotates at high speed without annular jump, and the rotating shaft does not move axially, so that the production efficiency and quality of the motor are improved; the foreign materials can be prevented from entering the radial bearing, and the service life of the radial bearing is prolonged; simple structure, it is stable durable, the part is dismantled to change and is maintained conveniently.

In order to achieve the purpose, the utility model provides a high-speed reciprocating rotation mechanism, including rotation axis and fixed plate, the top of fixed plate is connected with the bearing mounting, the top of bearing mounting is provided with dustproof cover plate, and dustproof cover plate, bearing mounting, fixed plate form airtight space, be provided with deep groove ball bearing and radial bearing in the airtight space, radial bearing is provided with a pair ofly, and deep groove ball bearing and a pair of radial bearing cover are established in the outside of rotation axis; a space is arranged between the deep groove ball bearing and the pair of radial bearings, and the deep groove ball bearing is positioned above the pair of radial bearings.

Preferably, the deep groove ball bearing is mounted on the rotating shaft through a shaft snap spring.

Further, the bottom of fixed plate is connected with the motor mounting, fixedly connected with servo motor on the motor mounting.

Further, the top of rotation axis is connected with stator frock, the bottom of rotation axis is connected on servo motor's output shaft through holding tightly the mechanism.

The utility model provides a high-speed reciprocating rotation mechanism, which ensures the concentricity and the upper and lower position precision of a stator during high-speed rotation; the motor rotates at high speed without annular jump, and the rotating shaft does not move axially, so that the production efficiency and quality of the motor are improved; foreign matters can be prevented from entering the radial bearing; simple structure, it is stable durable, the part is dismantled to change and is maintained conveniently.

Drawings

FIG. 1 is a schematic structural view of a high-speed reciprocating rotary mechanism of the present invention;

fig. 2 is a schematic view of the connection mode of the components of the high-speed reciprocating rotation mechanism of the present invention.

The method comprises the following steps of 1-a servo motor, 2-a motor fixing piece, 3-a rotating shaft, 4-a fixing plate, 5-a snap spring for the shaft, 6-a deep groove ball bearing, 7-a bearing fixing piece, 8-a pair of radial bearings, 9-a dustproof cover plate and 10-a stator tool.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Embodiment 1 a high-speed reciprocating rotation mechanism

Referring to fig. 1-2, the utility model provides a high-speed rotary mechanism that comes and goes, including servo motor 1, motor mounting 2, rotation axis 3, fixed plate 4, axle with jump ring 5, deep groove ball bearing 6, bearing mounting 7, radial bearing 8, dustproof apron 9, stator frock 10.

The bottom of fixed plate 4 is connected with motor mounting 2, fixedly connected with servo motor 1 on the motor mounting 2.

The top of rotation axis 3 is connected with stator frock 10, the bottom of rotation axis 3 is connected on servo motor 1's output shaft through holding tightly the mechanism.

The top of the fixing plate 4 is connected with a bearing fixing piece 7, the top of the bearing fixing piece 7 is provided with a dustproof cover plate 9, the bearing fixing piece and the fixing plate 4 form a closed space, a deep groove ball bearing 6 and a radial bearing 8 are arranged in the closed space, the radial bearing 8 is provided with a pair of radial bearings, and the deep groove ball bearing 6 and the radial bearing 8 are sleeved outside the rotating shaft 3; a space is arranged between the deep groove ball bearing 6 and the pair of radial bearings 8. The deep groove ball bearing 6 is positioned above a pair of radial bearings 8.

The deep groove ball bearing 6 is arranged on the rotating shaft 3 through a shaft snap spring 5.

The distance between the pair of radial bearings 8 and the deep groove ball bearing 6 can ensure the concentricity of the rotating shaft 3 during high-speed rotation. The dustproof cover plate 9 can prevent sundries from entering the radial bearing 8, and the service life of the radial bearing 8 is prolonged.

The servo motor 1 is a high-power servo motor, and the rotating shaft 3 is directly and tightly held on an output shaft of the servo motor 1. The rotating shaft 3 rotates at high speed under the action of the bearings through a pair of radial bearings 8 and a deep groove ball bearing 6, and annular runout does not occur. Through dustproof cover plate 9 and shaft jump ring 5, make rotation axis 3 can not take place axial removal.

Specifically, the fixed plate 4 is a reference plate, and the motor fixing part 2 is locked from top to bottom and fixed below the fixed plate 4; the bearing fixing piece 7 is locked from top to bottom and fixed on the fixing plate 4. The servo motor 1 is fixed on the motor fixing part 2. The rotating shaft 3 is directly connected to an output shaft of the servo motor 1 through a clasping mechanism. The upper part of the bearing fixing part 7 is assembled with a pair of radial bearings 8, and the lower part is assembled with a deep groove ball bearing 6. The rotating shaft 3 is fixed in the axial direction of the rotating shaft 3 through the dustproof cover plate 9 and the shaft clamp spring 5. Because a pair of radial bearings 8 and the deep groove ball bearing 6 have a certain distance, the concentricity of the rotating shaft 3 in high-speed rotation can be ensured. The dustproof cover plate 9 can prevent sundries from entering the radial bearing 8, and the service life of the radial bearing 8 is prolonged.

The assembly sequence is that the bearing fixing piece 7 and the fixing plate 4 are positioned and fixed, and the servo motor 1 and the motor fixing piece 2 are positioned and fixed. The rotating shaft 3 is fixed on the output shaft of the motor after passing through the bearing. After the concentricity of the rotating shaft 3 and the servo motor 1 is adjusted, the motor fixing member 2 and the fixing plate 4 are fixed.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. A high-speed reciprocating rotation mechanism is characterized by comprising a rotation shaft (3) and a fixing plate (4), wherein the top of the fixing plate (4) is connected with a bearing fixing piece (7), the top of the bearing fixing piece (7) is provided with a dustproof cover plate (9), the bearing fixing piece (7) and the fixing plate (4) form a closed space, a deep groove ball bearing (6) and a radial bearing (8) are arranged in the closed space, the radial bearing (8) is provided with a pair of radial bearings, and the deep groove ball bearing (6) and the pair of radial bearings (8) are sleeved outside the rotation shaft (3); a distance is arranged between the deep groove ball bearing (6) and the pair of radial bearings (8), and the deep groove ball bearing (6) is positioned above the pair of radial bearings (8).

2. A high speed reciprocating rotation mechanism according to claim 1 characterized by that the deep groove ball bearing (6) is mounted on the rotating shaft (3) by a shaft circlip (5).

3. A high-speed reciprocating rotary mechanism according to claim 1, characterized in that the bottom of the fixed plate (4) is connected with a motor fixing member (2), and the motor fixing member (2) is fixedly connected with a servo motor (1).

4. A high-speed reciprocating rotation mechanism according to claim 3, characterized in that the top of the rotation shaft (3) is connected with a stator tool (10), and the bottom of the rotation shaft (3) is connected with the output shaft of the servo motor (1) through a clasping mechanism.