CN219513925U

CN219513925U - Positioning device for assembling motor shaft

Info

Publication number: CN219513925U
Application number: CN202223351527.8U
Authority: CN
Inventors: 王俊琪
Original assignee: Suzhou Banner Automation Technology Co ltd
Current assignee: Suzhou Banner Automation Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-08-11
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a positioning device for assembling a motor shaft, which comprises a first air cylinder, a second clamping piece and a second air cylinder, wherein the shaft end of the first air cylinder is connected with the first clamping piece, and the first air cylinder is used for driving the first clamping piece to move in the horizontal direction; the end part of the first clamping piece is provided with a U-shaped groove; the second clamping piece is sequentially provided with an arc-shaped groove and a clamping groove, and the arc-shaped groove and the clamping groove are arranged in parallel and are fixed in position relation with each other; the outer wall of the clamping groove is contacted with the inner wall of the U-shaped groove, and when the motor shaft is positioned, the clamping groove can shrink under the extrusion of the U-shaped groove, so that the motor shaft is positioned, and the motor shaft is assembled. According to the utility model, the first air cylinder drives the first clamping piece to extrude the clamping groove, so that the motor shaft is positioned and clamped, the center point of the motor shaft is aligned with the center point of the pressing shaft, and the motor shaft is convenient to be pressed accurately.

Description

Positioning device for assembling motor shaft

Technical Field

The utility model belongs to the technical field of motor shaft assembly, and particularly relates to a positioning device for motor shaft assembly, which is simple in structure and convenient to operate and is used for easily installing a motor shaft into a central hole of a motor bracket.

Background

The motor is composed of stator, rotor, commutator, brush, casing and motor shaft, and is mainly used for generating driving torque as power source for electric appliance or various machines.

The assembly of the existing small and medium-sized motors mostly adopts manual operation, particularly the assembly process of the motor shaft and the motor, and the manual operation mode for assembling the motor shaft is time-consuming and labor-consuming, has low working efficiency and can not assemble the motor shaft in place.

Therefore, a positioning device for assembling a motor shaft, which has a simple structure and is convenient to operate, is developed for easily mounting the motor shaft into a central hole of a motor bracket.

Disclosure of Invention

The utility model aims to provide the positioning device for assembling the motor shaft, which has a simple structure and is convenient to operate, and the motor shaft is easily installed in the central hole of the motor bracket.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning device for assembling the motor shaft comprises a first air cylinder, a second clamping piece and a second air cylinder, wherein the shaft end of the first air cylinder is connected with the first clamping piece, and the first air cylinder is used for driving the first clamping piece to move in the horizontal direction; the end part of the first clamping piece is provided with a U-shaped groove; the second clamping piece is sequentially provided with an arc-shaped groove and a clamping groove, and the arc-shaped groove and the clamping groove are arranged in parallel and are fixed in position relation with each other; the outer wall of the clamping groove is contacted with the inner wall of the U-shaped groove, and when the motor shaft is positioned, the clamping groove can shrink under the extrusion of the U-shaped groove, so that the motor shaft is positioned, and the motor shaft is assembled.

Preferably: the shaft end of the second air cylinder is provided with a connecting plate; a concave plate is arranged on the bottom surface of the connecting plate, and a pressure detection device is arranged between the connecting plate and the concave plate; the pressure detection device is connected with the upper end part of the pressure sensor, and the lower end part of the pressure sensor penetrates through the arc-shaped groove.

Preferably: the pressure sensor is used for sensing a pressure value; the pressure detection device is used for recording the pressure value; the pressure detection device and the pressure sensor are matched for use so as to realize the detection of pressure.

Preferably: the shaft end of the second air cylinder is provided with a connecting plate; the bottom surface of the connecting plate is provided with a concave plate.

Preferably: the bottom of the concave plate is provided with a pressing mechanism, and the tail end of the pressing mechanism is connected with a pressing shaft so as to press the motor shaft.

Preferably: and a clamping groove is arranged right below the pressing shaft.

Preferably: the telescopic rods are arranged on the upper surface of the connecting plate, four telescopic rods are uniformly distributed, and an operating platform penetrates through the upper end of each telescopic rod.

Preferably: and a second air cylinder is arranged on the top of the operating platform, and when the operating platform works, the second air cylinder drives the connecting plate to move up and down in the vertical direction.

Compared with the prior art, the utility model provides a positioning device for motor shaft assembly, which has the following beneficial effects:

according to the utility model, when the motor shaft is required to be positioned, the first cylinder drives the first clamping piece to extrude the clamping groove, so that the motor shaft is positioned and clamped, the center point of the motor shaft is aligned with the center point of the pressing shaft, and the motor shaft is convenient to be pressed accurately;

according to the utility model, through the designed pressure detection device and pressure sensor, the pressure sensor can sense the pressure value and transmit the pressure value to the pressure detection device, and in the process of compressing the motor shaft, the problem that the original motor shaft is not pressed in place is solved under the cooperation of the pressure detection device and the pressure sensor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

FIG. 1 is a schematic view of the whole perspective structure of a positioning device for assembling a motor shaft according to the present utility model;

FIG. 2 is a schematic perspective view of a compressing mechanism in the positioning device for assembling a motor shaft according to the present utility model;

FIG. 3 is a schematic perspective view of a first cylinder in the positioning device for assembling a motor shaft according to the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is a front view of a second cylinder in the positioning device for assembling a motor shaft according to the present utility model;

in the figure: 1. a first air cylinder; 2. a first clamping piece; 3. a second clamping piece; 301. an arc-shaped groove; 302. a clamping groove; 4. a pressure sensor; 5. a compressing mechanism; 6. a compression shaft; 7. a concave plate; 8. a connecting plate; 9. a pressure detection device; 10. a second cylinder; 11. an operation table; 12. a telescopic rod.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

Referring to fig. 1-5, the present utility model provides a technical solution: the positioning device for assembling the motor shaft comprises a first air cylinder 1, a second clamping piece 3 and a second air cylinder 10, wherein the shaft end of the first air cylinder 1 is connected with a first clamping piece 2, and the first air cylinder 1 is used for driving the first clamping piece 2 to move in the horizontal direction; a U-shaped groove (not shown) is formed in the end part, far away from the first cylinder 1, of the first clamping piece 2; an arc-shaped groove 301 and a clamping groove 302 are sequentially formed in the second clamping piece 3, and the arc-shaped groove 301 and the clamping groove 302 are arranged in parallel and are fixed in mutual position relation; the outer wall of the clamping groove 302 contacts with the inner wall of the U-shaped groove, and when the motor shaft (not shown) is positioned, the clamping groove 302 is contracted under the extrusion of the U-shaped groove, so that the motor shaft is positioned.

In the embodiment, the shaft end of the second cylinder 10 is provided with a connecting plate 8; a concave plate 7 is arranged on the bottom surface of the connecting plate 8, and a pressure detection device 9 is arranged between the connecting plate 8 and the concave plate 7; the bottom of the concave plate 7 is provided with a pressing mechanism 5, and the tail end of the pressing mechanism 5 is connected with a pressing shaft 6 so as to press a motor shaft; a clamping groove 302 is arranged right below the pressing shaft 6.

The upper surface of the connecting plate 8 is provided with four telescopic rods 12 which are uniformly distributed; the upper end of the telescopic rod 12 penetrates through an operating platform 11, a second air cylinder 10 is arranged on the top of the operating platform 11, and in the working process, the second air cylinder 10 drives the connecting plate 8 to move up and down in the vertical direction.

In this embodiment, the upper end of the pressure sensor 4 is connected with a pressure detecting device 9, and the lower end of the pressure sensor 4 penetrates through the arc-shaped groove 301; the pressure detection device 9 is used for recording the pressure value, the pressure sensor 4 is used for sensing the pressure value, the pressure detection device 9 and the pressure sensor 4 are matched for use, and the pressure sensed by the pressure sensor 4 can be transmitted to the pressure detection device 9 so as to realize the detection of the pressure.

During specific work, a worker manually places the upper end part of a motor shaft in the clamping groove 302, then the first air cylinder 1 is started, the first air cylinder 1 drives the first clamping piece 2 to horizontally move in the direction close to the second clamping piece 3, the U-shaped groove on the first clamping piece 2 can squeeze the clamping groove 302, and after the clamping groove 302 clamps the motor shaft, the first air cylinder 1 does not drive the first clamping piece 2 to move; the motor shaft center point is now aligned with the center point of the hold-down shaft 6.

When the motor shaft is required to be inserted into the motor, a worker places the motor on the operation table 11 and aligns the motor with the motor shaft; the first air cylinder 1 is started, and the first air cylinder 1 pushes the pressing mechanism 5 to vertically move in a direction approaching to the motor; the pressing shaft 6 applies pressure to the motor shaft, and the motor shaft is gradually pressed into the motor; when the pressure sensor 4 positioned on the pressing mechanism 5 touches the motor, the pressure sensor 4 transmits the sensed pressure to the pressure detection device 9; the pressure detecting device 9 can judge whether the motor shaft is pressed according to the value of the pressure, and then control whether the pressing shaft 6 needs to move downwards continuously, after the motor shaft is assembled on the motor, the first cylinder 1 drives the first clamping piece 2 to move horizontally in the direction away from the second clamping piece 3, the U-shaped groove on the first clamping piece 2 is separated from the clamping groove 302, the clamping groove 302 is reset, the motor shaft is separated from the clamping groove 302, and then the motor shaft is completely assembled on the motor.

Compared with the prior art, the utility model has the following beneficial effects:

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

1. The utility model provides a positioner is used in motor shaft assembly, includes No. one cylinder, no. two clamping pieces and No. two cylinders, its characterized in that: the first air cylinder is connected with a first clamping piece at the shaft end and is used for driving the first clamping piece to move in the horizontal direction; the end part of the first clamping piece is provided with a U-shaped groove; the second clamping piece is sequentially provided with an arc-shaped groove and a clamping groove, and the arc-shaped groove and the clamping groove are arranged in parallel and are fixed in position relation with each other; the outer wall of the clamping groove is contacted with the inner wall of the U-shaped groove, and when the motor shaft is positioned, the clamping groove can shrink under the extrusion of the U-shaped groove, so that the motor shaft is positioned, and the motor shaft is assembled.

2. The positioning device for motor shaft assembly according to claim 1, wherein: the shaft end of the second air cylinder is provided with a connecting plate; a concave plate is arranged on the bottom surface of the connecting plate, and a pressure detection device is arranged between the connecting plate and the concave plate; the pressure detection device is connected with the upper end part of the pressure sensor, and the lower end part of the pressure sensor penetrates through the arc-shaped groove.

3. The positioning device for motor shaft assembly according to claim 2, wherein: the pressure sensor is used for sensing a pressure value; the pressure detection device is used for recording the pressure value; the pressure detection device and the pressure sensor are matched for use so as to realize the detection of pressure.

4. The positioning device for motor shaft assembly according to claim 1, wherein: the shaft end of the second air cylinder is provided with a connecting plate; the bottom surface of the connecting plate is provided with a concave plate.

5. The positioning device for motor shaft assembly according to claim 4, wherein: the bottom of the concave plate is provided with a pressing mechanism, and the tail end of the pressing mechanism is connected with a pressing shaft so as to press the motor shaft.

6. The positioning device for motor shaft assembly according to claim 5, wherein: and a clamping groove is arranged right below the pressing shaft.

7. The positioning device for motor shaft assembly according to claim 4, wherein: the telescopic rods are arranged on the upper surface of the connecting plate, four telescopic rods are uniformly distributed, and an operating platform penetrates through the upper end of each telescopic rod.

8. The positioning device for motor shaft assembly according to claim 7, wherein: and a second air cylinder is arranged on the top of the operating platform, and when the operating platform works, the second air cylinder drives the connecting plate to move up and down in the vertical direction.