CN112917335A

CN112917335A - Motor rotor assembly polishing machine

Info

Publication number: CN112917335A
Application number: CN202110104428.0A
Authority: CN
Inventors: 张学斌
Original assignee: Taizhou Puyu Intelligent Technology Co ltd
Current assignee: Taizhou Puyu Intelligent Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-08

Abstract

The invention provides a motor rotor assembly polishing machine, and belongs to the technical field of machinery. The motor rotor assembly polishing machine comprises a rack, a conveying guide rail and an abrasive band assembly which are arranged on the rack, and a supporting plate which is horizontally conveyed by the conveying guide rail, wherein two supporting blocks are fixed at the top of the supporting plate, and a first notch for supporting and positioning the end part of a shaft body of a rotor assembly is formed in each supporting block; the abrasive belt component is arranged above the supporting block, a friction wheel and a motor I for driving the friction wheel to rotate around the axis of the friction wheel are further arranged on the rack, and a polishing area is formed between the friction wheel and the abrasive belt of the abrasive belt component; two jacking blocks are vertically arranged below the supporting plate, the lower ends of the jacking blocks are connected with a driving mechanism capable of driving the two jacking blocks to move up and down simultaneously, two rolling parts are rotatably arranged at the upper ends of the jacking blocks, and the two rolling parts on the same jacking block are horizontally distributed along the radial direction of the rolling parts and form a supporting area for supporting and positioning the end part of the shaft body; the supporting plate is provided with a position-giving opening for the top block to pass through. The invention is convenient to use.

Description

Motor rotor assembly polishing machine

Technical Field

The invention belongs to the technical field of machinery, relates to a polishing machine, and particularly relates to a motor rotor assembly polishing machine.

Background

The rotor assembly of the motor is an important component of the motor, and generally comprises a shaft body, an iron core and a framework for connecting the shaft body and the iron core. In practical products, the outer surface of the iron core is required to be flat and smooth. To this, people often handle iron core surface burr through the burnishing machine, and current burnishing machine adds man-hour, need be earlier through rotating fixture clamping rotor subassembly, and once only can polish an iron core, and whole operation need constantly clamp rotor subassembly, and the operation is comparatively troublesome, is unsuitable for the streamlined processing.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a motor rotor assembly polishing machine suitable for assembly line processing.

The purpose of the invention can be realized by the following technical scheme: the motor rotor assembly polishing machine comprises a rack, a conveying guide rail, an abrasive band assembly and a supporting plate, wherein the conveying guide rail and the abrasive band assembly are arranged on the rack, the supporting plate is horizontally conveyed by the conveying guide rail, and the motor rotor assembly polishing machine is characterized in that two supporting blocks are fixed at the top of the supporting plate and are distributed in parallel along the conveying direction of the conveying guide rail, and a first notch which penetrates through the supporting block along the conveying direction of the conveying guide rail and is used for supporting and positioning the end part of a shaft; the abrasive belt component is arranged above the supporting block, the frame is also provided with a friction wheel and a first motor for driving the friction wheel to rotate around the axis of the first motor, the axis direction of the friction wheel is parallel to the conveying direction of the conveying guide rail, and a polishing area is formed between the friction wheel and the abrasive belt of the abrasive belt component; the two top blocks are vertically arranged below the supporting plate and are distributed in parallel along the conveying direction of the conveying guide rail, the lower end of each top block is connected with a driving mechanism capable of driving the two top blocks to move up and down simultaneously, the upper end of each top block is rotatably provided with two rolling pieces, the outer side walls of the rolling pieces are circumferential surfaces, the axes of the rolling pieces extend along the conveying direction of the conveying guide rail, and the two rolling pieces on the same top block are horizontally distributed along the radial direction of the rolling pieces and form a supporting area for supporting and positioning the end part of the shaft body; the supporting plate is provided with a position yielding port for the top block to pass through, and the position yielding port is arranged between the two supporting blocks and is opposite to the polishing area.

When the polishing machine is used, the rotor assembly is supported on the supporting block through the matching of the shaft body and the notch I and is conveyed to a polishing position under the action of the conveying guide rail, and at the moment, the polishing area and the top block are opposite to the position-giving opening; then the driving mechanism works to drive the ejector block to move upwards to enable the two end parts of the shaft body to be abutted against and pressed on the rolling piece, the rotor assembly breaks away from the supporting block and continues to move upwards to the polishing area along with the ejector block, at the moment, the friction wheel and the abrasive belt are abutted against and pressed on two sides of the outer wall of the iron core of the rotor assembly respectively, the friction wheel drives the rotor assembly to rotate around the axial line of the shaft through friction force, and the abrasive belt rotates to polish the outer.

Under the cooperation of parts such as carrying guide rail, backup pad, rolling member, kicking block, realize that the rotor subassembly polishes in vertical direction, carries in the horizontal direction, when realizing rotor subassembly assembly line polishing processing, only need place the rotor subassembly axis body in breach one alright at whole in-process, have convenient to use, efficient advantage.

In the motor rotor assembly polishing machine, the rolling part is a bearing, and the inner ring of the bearing is fixedly connected with the top block through the rotating shaft. By adopting the design, the device has the advantages of simple structure and convenience in installation.

As another scheme, in the motor rotor assembly polishing machine, the rolling member is a cylindrical base body, a shaft part is integrally formed on the base body, and the shaft part is rotatably connected with the top block through a bearing.

In the motor rotor assembly polishing machine, a first driving part and a first connecting block are arranged on a rack, the first motor is installed at one end of the first connecting block, the other end of the first connecting block is hinged to the rack through a pin shaft, the axis of the pin shaft is parallel to the axis of a friction wheel, and the first driving part is used for driving the first connecting block to swing around the axis of the pin shaft. The connecting block swings in order to change the friction pulley position, can adjust the contact position of friction pulley and iron core outer wall like this, so not only can more accurately drive the rotor subassembly and rotate, improves job stabilization nature, but also is applicable to not unidimensional rotor subassembly, and the practicality is higher.

In the motor rotor assembly polishing machine, the frame is further provided with a base and a driving part II for driving the base to move up and down in a sliding mode, the abrasive belt assembly further comprises a driving wheel, a driven wheel, a tension wheel and a motor II for driving the driving wheel to rotate, the driving wheel, the driven wheel and the tension wheel are all rotatably arranged on the base, and the motor II is fixed on the base. The driving piece II drives the base to move up and down to change the position of the abrasive belt assembly, so that the abrasive belt assembly is suitable for different polishing positions, and the abrasive belt assembly has the advantages of good polishing effect and high practicability.

In foretell motor rotor subassembly burnishing machine, actuating mechanism includes the connecting plate of level setting and is used for driving the driving piece three of connecting plate translation from top to bottom, and the kicking block lower extreme links firmly with the connecting plate. By adopting the design, the device has the advantages of simple structure and convenience in installation.

In the motor rotor assembly polishing machine, the rolling parts are arranged on two opposite sides of the two ejector blocks, the ejector blocks are provided with second notches which axially penetrate through the rolling parts and are matched with the shaft body, and the second notches are opposite to the supporting area. Design breach two, not only stretch into the axis body and support regional the direction, inject the axis body again and remove in the both sides direction, ensure the axis body and stablize the operation under the friction pulley effect, improve polishing quality.

In the motor rotor assembly polishing machine, the first two guide rails are vertically fixed on the frame, the first two guide rails are distributed on two sides of the connecting plate, the first guide blocks are fixed on two sides of the connecting plate, and the first two guide blocks are respectively installed on the first two guide rails. Under the cooperation of the first guide block and the first guide rail, the accurate movement of the ejector block is ensured, and the working stability is improved.

In the motor rotor assembly polishing machine, a second guide rail is vertically fixed on the frame, a second guide block is correspondingly fixed on the base, and the second guide block is installed on the second guide rail.

In the motor rotor assembly polishing machine, the first driving part, the second driving part and the third driving part are cylinders or oil cylinders.

Compared with the prior art, this motor rotor subassembly burnishing machine realizes that the rotor subassembly polishes in vertical direction, transport in the horizontal direction under the cooperation of parts such as transport guide rail, backup pad, rolling member, kicking block, when realizing rotor subassembly assembly line polishing processing, only need place the rotor subassembly axis body in breach one alright at whole in-process, has convenient to use, efficient advantage.

Drawings

Fig. 1 is a schematic view of the structure of a rotor assembly.

Fig. 2 is a schematic view of the structure of the polishing machine.

Fig. 3 is a schematic diagram of the position structure of the friction wheel and the abrasive belt.

Fig. 4 is a schematic view of the position structure of the supporting plate and the top block.

Fig. 5 is a schematic structural view of the drive mechanism.

In the drawings, 1, a rotor assembly; 1a, a shaft body; 1b, an iron core; 2. a frame; 3. a conveying guide rail; 4. a support plate; 4a, a yielding port; 5. a limiting unit; 6. a support block; 6a, a first gap; 7. a base; 8. a driving part II; 9. an abrasive belt; 10. a driving wheel; 11. a driven wheel; 12. a tension wheel; 13. a second motor; 14. a second guide rail; 15. a friction wheel; 16. a first motor; 17. a first driving part; 18. connecting blocks; 19. a top block; 19a and a second notch; 20. A rolling member; 21. a connecting plate; 22. a driving member III; 23. and a first guide rail.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the present motor rotor assembly polishing machine includes a frame 2, a conveying rail 3 and an abrasive belt assembly provided on the frame 2, and a support plate 4 horizontally conveyed by the conveying rail 3. Wherein, the conveying guide rail 3 is horizontally arranged on the frame 2, in the practical product, the frame 2 is provided with a plurality of limiting units 5 for limiting the movement of the supporting plate 4, the limiting units 5 are distributed at intervals along the conveying direction of the conveying guide rail 3, and one of the limiting units 5 makes the supporting plate 4 stop at the abrasive belt component. The limiting unit is of an existing structure, and can be specifically referred to a limiting unit recorded by a frame inverted annular line (application number: 201821468066.3) in an electric vehicle assembly line disclosed in the Chinese patent library.

Specifically, as shown in fig. 3 and 4, the support plate 4 has two support blocks 6 fixed on top thereof, and the two support blocks 6 are arranged side by side along the conveying direction of the conveying rail 3. All have on every supporting shoe 6 along the direction of delivery of conveying guide rail 3 run through and be used for supporting the breach 6a of the axis body 1a tip of location rotor subassembly 1, during the transport promptly, two tip of axis body 1a locate two breach 6a respectively in, realize the location of whole rotor subassembly 1.

Wherein the content of the first and second substances,

as shown in fig. 3, the abrasive belt assembly is disposed above the supporting block 6, and the specific structure of the abrasive belt assembly is as follows: the machine frame 2 is provided with a base 7 and a driving part II 8 for driving the base 7 to move up and down in a sliding manner, the abrasive belt assembly comprises an abrasive belt 9, a driving wheel 10 for supporting the abrasive belt 9, a driven wheel 11, a tension wheel 12 and a motor II 13 for driving the driving wheel 10 to rotate, the driving wheel 10, the driven wheel 11 and the tension wheel 12 are all rotatably arranged on the base 7, and the motor II 13 is fixed on the base 7. The second driving piece 8 drives the base 7 to move up and down so as to change the position of the abrasive belt assembly, is suitable for different polishing positions, and has the advantages of good polishing effect and high practicability. In this embodiment, the second driving member 8 is an air cylinder or an oil cylinder, and a piston rod of the second driving member 8 is fixedly connected with the base 7; the base 7 and the frame 2 are slidably connected as follows: a second guide rail 14 is vertically fixed on the rack 2, a second guide block is correspondingly fixed on the base 7, and the second guide block is installed on the second guide rail 14 to stably guide the sliding of the base 7, so that the working stability is good.

As shown in fig. 3, the frame 2 is further provided with a friction wheel 15 and a first motor 16 for driving the friction wheel 15 to rotate around its axis. The axial direction of the friction wheel 15 is parallel to the conveying direction of the conveying guide rail 3, the friction wheel 15 and the abrasive belt 9 are horizontally distributed, the distribution direction of the friction wheel 15 and the abrasive belt 9 is vertical to the axial direction of the friction wheel 15, and a polishing area is formed between the friction wheel 15 and the abrasive belt 9. Further, a first driving part 17 and a connecting block 18 are arranged on the frame 2, a first motor 16 is installed at one end of the connecting block 18, and a main shaft of the motor is fixed with the friction wheel 15. The other end of the connecting block 18 is hinged with the frame 2 through a pin shaft, the axis of the pin shaft is parallel to the axis of the friction wheel 15, and the first driving part 17 is used for driving the connecting block 18 to swing around the axis of the pin shaft. Connecting block 18 swings in order to change the friction pulley 15 position, can adjust the contact position of friction pulley 15 and iron core 1b outer wall like this, so not only can more accurately drive rotor subassembly 1 and rotate, improves job stabilization nature, but also applicable to not unidimensional rotor subassembly 1, and the practicality is higher. In this embodiment, the first driving member 17 is a cylinder or a cylinder. In actual production, the rotation directions of the friction wheel 15 and the drive wheel 10 are opposite, and the speed of the friction wheel 15 is much lower than the running speed of the sanding belt 9.

As shown in fig. 4 and 5, two top blocks 19 are vertically arranged below the supporting plate 4, and the two top blocks 19 are arranged in parallel along the conveying direction of the conveying guide rail 3. The lower end of the top block 19 is connected with a driving mechanism which can simultaneously drive the two top blocks 19 to move up and down. The upper ends of the two top blocks 19 are respectively provided with two rolling parts 20 in a rotating way, the outer side walls of the rolling parts 20 are circumferential surfaces, and the axes of the rolling parts 20 extend along the conveying direction of the conveying guide rail 3. The two rolling elements 20 on the same top block 19 are horizontally distributed in the radial direction of the rolling elements 20 and form a support area for supporting the end of the positioning shaft body 1 a. The support plate 4 is provided with a abdication port 4a for the top block 19 to pass through, and the abdication port 4a is arranged between the two support blocks 6 and can be opposite to the polishing area.

Wherein the content of the first and second substances,

the rolling element 20 is a bearing, and the inner ring of the bearing is fixedly connected with the top block 19 through a rotating shaft.

The driving mechanism comprises a connecting plate 21 and a driving piece III 22, the connecting plate 21 is horizontally arranged, the driving piece III is used for driving the connecting plate 21 to move up and down in a translation mode, and the lower end of the ejector block 19 is fixedly connected with the connecting plate 21. In this embodiment, the driving member three 22 is a cylinder or an oil cylinder, and a piston rod of the driving member three 22 is fixedly connected to the connecting plate 21.

Further, as shown in fig. 5, the rolling members 20 are disposed on two opposite sides of the two top blocks 19, a second notch 19a penetrating along the axial direction of the rolling member 20 and matching with the shaft body 1a is disposed on the top block 19, and the second notch 19a faces the support area. The second notch 19a is designed to guide the shaft body 1a to extend into the supporting area, limit the shaft body 1a to move in the directions of two sides, ensure the stable operation of the shaft body 1a under the action of the friction wheel 15 and improve the polishing quality. Two first guide rails 23 are vertically fixed on the frame 2, the two first guide rails 23 are distributed on two sides of the connecting plate 21, first guide blocks are fixed on two sides of the connecting plate 21, and the two first guide blocks are respectively installed on the two first guide rails 23. Under the cooperation of the first guide block and the first guide rail 23, the accurate movement of the top block 19 is ensured, and the working stability is improved.

In an actual product, a plurality of support plates 4 are arranged, so that the assembly line processing of the rotor assembly 1 is realized; when the polishing machine is used, the rotor assembly 1 is supported on the supporting block 6 through the matching of the shaft body 1a and the first notch 6a and is conveyed to a polishing position under the action of the conveying guide rail 3, and at the moment, the polishing area and the top block 19 are opposite to the allowance opening 4 a; then the driving mechanism works to drive the ejector block 19 to move upwards to enable two end parts of the shaft body 1a to be abutted against and pressed on the rolling part 20, the rotor assembly 1 gets rid of the supporting block 6 and continues to move upwards to a polishing area along with the ejector block 19, at the moment, the friction wheel 15 and the abrasive belt 9 are abutted against and pressed on two sides of the outer wall of the iron core 1b of the rotor assembly 1 respectively, the friction wheel 15 drives the rotor assembly 1 to rotate around the axis of the shaft body 1a through friction force, and the abrasive belt 9 operates to polish the outer wall of.

Example two

The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: the rolling element 20 is a cylindrical base body, a shaft part is integrally formed on the base body, and the shaft part is rotatably connected with the top block 19 through a bearing.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The motor rotor assembly polishing machine comprises a rack (2), a conveying guide rail (3) and a sand belt assembly which are arranged on the rack (2), and a supporting plate (4) horizontally conveyed by the conveying guide rail (3), and is characterized in that supporting blocks (6) are fixed at the top of the supporting plate (4), two supporting blocks (6) are arranged and distributed in parallel along the conveying direction of the conveying guide rail (3), and a first notch (6a) which penetrates through the conveying direction of the conveying guide rail (3) and is used for supporting and positioning the end part of a shaft body (1a) of a rotor assembly (1) is formed in each supporting block (6); the abrasive belt component is arranged above the supporting block (6), the frame (2) is also provided with a friction wheel (15) and a motor I (16) for driving the friction wheel (15) to rotate around the axis of the friction wheel, the axis direction of the friction wheel (15) is parallel to the conveying direction of the conveying guide rail (3), and a polishing area is formed between the friction wheel (15) and the abrasive belt (9) of the abrasive belt component; the supporting plate (4) is vertically provided with two jacking blocks (19) below, the jacking blocks (19) are arranged in parallel along the conveying direction of the conveying guide rail (3), the lower end of each jacking block (19) is connected with a driving mechanism capable of driving the two jacking blocks (19) to move up and down simultaneously, the upper end of each jacking block (19) is rotatably provided with two rolling parts (20), the outer side walls of the rolling parts (20) are circumferential surfaces, the axes of the rolling parts (20) extend along the conveying direction of the conveying guide rail (3), and the two rolling parts (20) on the same jacking block (19) are horizontally distributed along the radial direction of the rolling parts (20) and form a supporting area for supporting the end part of the positioning shaft body (1 a); the supporting plate (4) is provided with a position-giving opening (4a) for the top block (19) to pass through, and the position-giving opening (4a) is arranged between the two supporting blocks (6) and is opposite to the polishing area.

2. The motor rotor assembly polishing machine as claimed in claim 1, wherein the rolling member (20) is a bearing, and an inner ring of the bearing is fixedly connected with the top block (19) through a rotating shaft.

3. A machine for polishing rotor assemblies according to claim 1, characterised in that the rolling elements (20) are cylindrical bodies having an integral shaft portion, and the shaft portion is rotatably connected to the top block (19) by means of bearings.

4. The motor rotor assembly polishing machine as claimed in claim 1, wherein the frame (2) is provided with a first driving part (17) and a connecting block (18), the first motor (16) is mounted at one end of the connecting block (18), the other end of the connecting block (18) is hinged with the frame (2) through a pin shaft, the axis of the pin shaft is parallel to the axis of the friction wheel (15), and the first driving part (17) is used for driving the connecting block (18) to swing around the axis of the pin shaft.

5. The motor rotor assembly polishing machine as claimed in claim 1, 2, 3 or 4, wherein the frame (2) is further slidably provided with a base (7) and a second driving member (8) for driving the base (7) to move up and down, the sanding belt assembly further comprises a driving wheel (10) for supporting the sanding belt (9), a driven wheel (11), a tension wheel (12) and a second motor (13) for driving the driving wheel (10) to rotate, the driving wheel (10), the driven wheel (11) and the tension wheel (12) are rotatably arranged on the base (7), and the second motor (13) is fixed on the base (7).

6. The motor rotor assembly polishing machine as claimed in claim 1, wherein the driving mechanism comprises a horizontally arranged connecting plate (21) and a driving part III (22) for driving the connecting plate (21) to move up and down, and the lower end of the top block (19) is fixedly connected with the connecting plate (21).

7. The electric motor rotor assembly polishing machine as claimed in claim 1, 2, 3 or 4, wherein the rolling members (20) are arranged on two opposite sides of the two top blocks (19), the top blocks (19) are provided with second notches (19a) which penetrate through the rolling members (20) in the axial direction and are matched with the shaft body (1a), and the second notches (19a) are opposite to the supporting area.

8. The motor rotor assembly polishing machine as claimed in claim 6, wherein two first guide rails (23) are vertically fixed on the frame (2), the two first guide rails (23) are distributed on two sides of the connecting plate (21), one guide block is fixed on each of two sides of the connecting plate (21), and the two guide blocks are respectively mounted on the two first guide rails (23).

9. The motor rotor assembly polishing machine as claimed in claim 5, wherein a second guide rail (14) is further vertically fixed on the frame (2), a second guide block is correspondingly fixed on the base (7), and the second guide block is mounted on the second guide rail (14).

10. A motor rotor assembly polishing machine as claimed in claim 6 or 8 in which the drive member three (22) is an air cylinder or an oil cylinder.