CN114523443B

CN114523443B - Automatic assembling equipment for motor commutator shaft-in assembly

Info

Publication number: CN114523443B
Application number: CN202210434604.1A
Authority: CN
Inventors: 苏联风; 苏海轮; 管祖飞
Original assignee: Jiangsu Hualei Machinery Co ltd
Current assignee: Jiangsu Hualei Machinery Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-06-17
Anticipated expiration: 2042-04-24
Also published as: CN114523443A

Abstract

The invention relates to the technical field of motor assembly, in particular to automatic assembly equipment for shaft-in assembly of a motor commutator, which comprises a workbench, a clamping and positioning device and a clamping and shaft-in device, wherein the clamping and positioning device and the clamping and shaft-in device are sequentially arranged at the upper end of the workbench from left to right; the invention can ensure that the rotating shaft keeps a horizontal state in the process of clamping and fixing the rotor core so that a subsequent commutator can be smoothly sleeved on the rotating shaft, can ensure that the axis of the commutator is superposed with the axis of the rotating shaft in the process of clamping the commutator, and simultaneously can prevent the commutator from being scratched or crushed in the clamping process, and can realize that the commutator rotates by taking the axis as the center in the process of sleeving the commutator on the rotating shaft so as to ensure that the wire end of a rotor winding is clamped into a welding wire groove of the commutator.

Description

Automatic assembling equipment for motor commutator shaft-in assembly

Technical Field

The invention relates to the technical field of motor assembly, in particular to automatic assembly equipment for motor commutator shaft assembly.

Background

The motor is a device for converting electric energy into mechanical energy, and is characterized in that a rotating magnetic field is generated by utilizing an electrified coil, namely a stator winding, and acts on a rotor such as a squirrel-cage closed aluminum frame to form magnetoelectric power rotating torque, the motor is divided into a direct current motor and an alternating current motor according to different power supplies, wherein the permanent magnet direct current motor adopts a permanent magnet to generate the magnetic field of the motor, excitation coils and excitation currents are not needed, the efficiency is high, the structure is simple, the motor is a good energy-saving motor, and the permanent magnet motor is widely applied at present along with the development of a high-energy permanent magnet.

As shown in fig. 8 and 9, a rotor of a permanent magnet dc motor is composed of a rotor core, a rotor winding, a commutator and a rotating shaft, the rotor core is mounted on the rotating shaft, the rotor winding is mounted in a wire embedding groove of the rotor core, the commutator is mounted on the rotating shaft, and a wire end led out from the rotor winding is embedded in a wire welding groove of the commutator, and the existing automatic assembling equipment for assembling the commutator of the motor into the shaft has the following problems in the assembling process of the commutator into the shaft: a. in the shaft entering assembly process of the commutator, the wire end of a rotor winding needs to be ensured to be clamped into a welding wire groove of the commutator, and the existing commutator is often easy to deviate in the shaft entering process, so that the wire end cannot be smoothly clamped into the welding wire groove and directly collides with the commutator to be bent, and further the wire end needs to be manually trimmed and the angle of the commutator needs to be rotationally adjusted; b. the rotor core and the commutator are respectively clamped by two clamping devices before the commutator is assembled in a shaft, and the rotating shaft of the conventional clamping device for clamping the rotor core often deflects in the clamping process, so that the rotating shaft cannot be kept in a horizontal state, and the commutator is sleeved in the rotating shaft to cause the subsequent wire end to be clamped into a welding wire groove.

Disclosure of Invention

The invention provides automatic assembling equipment for motor commutator shaft-in assembly, which can solve the problems.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an automatic rigging equipment of motor commutator income axle assembly, includes that workstation, clamping position device and centre gripping go into the axle device, the workstation upper end turn right from a left side and have set gradually clamping position device and centre gripping and go into the axle device.

The centre gripping positioner include grip block, centre gripping biax pneumatic cylinder, base plate, locating piece and a location section of thick bamboo, the slip is provided with two front and back symmetrical arrangement's grip block around the workstation upper end, the workstation upper end is installed centre gripping biax pneumatic cylinder and is held the biax pneumatic cylinder and be located between two grip blocks, two outputs of centre gripping biax pneumatic cylinder all are connected with the grip block, the relative one end of grip block all is provided with the base plate, the base plate is the recess relative distribution of arc structure and base plate, the workstation upper end is fixed with locating piece and is located the grip block left side, the hollow structure that link up about a location section of thick bamboo and the location section of thick bamboo of horizontal arrangement is installed to the locating piece upper end.

The clamping and shaft-entering device comprises a shaft-entering hydraulic cylinder, a shaft-entering block, a connecting plate, an annular seat, a clamping ring, a driving ring, clamping double-shaft hydraulic cylinders, a clamping mechanism and a fine adjustment mechanism, wherein the shaft-entering block is arranged at the upper end of the workbench in a left-right sliding manner and is positioned at the right side of the clamping plate, the shaft-entering block is connected with the output ends of the shaft-entering hydraulic cylinders, the fixed section of the shaft-entering hydraulic cylinder is arranged on the workbench, the connecting plate is fixed at the upper ends of the left side and the right side of the shaft-entering block, the annular seat is arranged at the upper end of the connecting plate, the clamping ring is arranged between the two annular seats, the left end and the right end of the clamping ring are rotatably arranged on the annular seat, the outer side wall of the clamping ring is provided with two driving rings which are symmetrically arranged in a left-right manner, a plurality of clamping double-shaft hydraulic cylinders are evenly arranged in the circumferential direction of the outer side wall of the clamping ring, two output ends of the clamping double-shaft hydraulic cylinders are connected with the driving rings, and the clamping ring is provided with a clamping mechanism and a fine adjustment mechanism.

Preferably, each recess of base plate in be provided with the arc, the arc has recess and the recess relative distribution of arc, the arc passes through the spring leaf to be installed in the recess of base plate, be provided with the backing plate in the recess of arc.

Preferably, the positioning cylinder right end install the positioning disk of middle part hollow, the positioning disk right-hand member face is provided with the buffer board, slide in proper order from the edge to the center in the positioning cylinder and wear to be equipped with the diameter and reduce gradually drum, No. two drums and No. three and be located same central line, the positioning cylinder left side is provided with the baffle, the baffle right-hand member is connected with a spring, the spring other end is fixed on the positioning cylinder lateral wall through the mount pad.

Preferably, fixture include bottom plate, bar piece, drive block and reset spring, the intra-annular circumference of grip ring evenly is provided with a plurality of bottom plates, the bottom plate is provided with a plurality of symmetrical arrangement's bar piece towards the one end of the intra-annular wall of grip ring, the bar piece runs through the grip ring, controls two the drive ring carries on the back one side of the body mutually and is provided with a plurality of drive blocks, the drive block is right angle triangular prism structure, and the inclined plane of drive block and the butt of the bar piece that corresponds, be connected with reset spring between bottom plate and the intra-annular wall of grip ring.

Preferably, the bottom plate be the arc structure and keep away from the one end of centre gripping intra-annular wall for the concave surface, the bottom plate concave surface is provided with two symmetric distribution's V template and V template corner and articulates on the bottom plate concave surface, and is a plurality of the V template distributes along centre gripping ring axis circumference, V template contained angle is greater than 90, the terminal surface that the bottom plate was kept away from to the V template is provided with the partition panel.

Preferably, the backing plate, the buffer plate and the partition plate are all made of non-metal elastic materials, and the arc-shaped plate and the V-shaped plate are all made of metal elastic materials.

Preferably, the fine adjustment mechanism comprises a plane rack, a fixed block, an auxiliary plate and an electric push rod, wherein gear teeth are arranged on the lower end face of the clamping ring, a horizontal plane rack is arranged below the clamping ring, the clamping ring is meshed with the plane rack through the gear teeth, the two fixed blocks are fixed on the front end and the rear end of the upper end face of the shaft feeding block, two ends of the plane rack penetrate through the fixed block in a sliding mode, the lower end of the plane rack is connected with the output end of the electric push rod through the auxiliary plate, and the fixed section of the electric push rod is installed at the upper end of the shaft feeding block.

Preferably, the center line of the positioning cylinder coincides with the center line of the clamping ring.

Preferably, a drum inside wall on and No. two drum inside walls on all slide to run through there is the round bar, the round bar lower extreme is connected with the sloping piece, all set up on a drum inside wall and No. two drum inside walls with sloping piece sliding fit's spout, set up flutedly on the round bar axis that just is located a drum on the location section of thick bamboo inside wall, be provided with No. two springs in the recess, it has the auxiliary rod to slide to run through on a drum inside wall, also set up flutedly on the axis that just is located the auxiliary rod on the location section of thick bamboo inside wall, and be provided with No. two springs in the recess.

The invention has the beneficial effects that: 1. the invention can ensure that the rotating shaft keeps a horizontal state in the process of clamping and fixing the rotor core so that a subsequent commutator can be smoothly sleeved on the rotating shaft, can ensure that the axis of the commutator is superposed with the axis of the rotating shaft in the process of clamping the commutator, and can also avoid the condition that the commutator is scratched or crushed in the clamping process, and can realize that the commutator rotates by taking the axis as the center in the process of sleeving the commutator on the rotating shaft so as to ensure that the wire end of a rotor winding is clamped into a welding wire groove of the commutator.

2. According to the invention, one end of the rotating shaft is horizontally limited through the positioning cylinder, and the clamping position of the rotor core is limited through the positioning disc.

3. The invention clamps the commutator through the V-shaped plate with certain deformation capacity, and simultaneously ensures that the axis of the commutator is superposed with the axis of the clamping ring, thereby ensuring that the axis of the commutator is superposed with the axis of the rotating shaft, leading the commutator to be smoothly sleeved on the rotating shaft, and leading the commutator to rotate through the fine adjustment mechanism, so as to ensure that the wire end of the rotor winding is clamped into a welding wire groove of the commutator.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2 of the present invention.

Fig. 4 is a cross-sectional view of B-B of fig. 2 in accordance with the present invention.

FIG. 5 is a schematic view of the present invention with the hydraulic drive cylinder, the drive block and the tie plate removed.

Fig. 6 is a cross-sectional view of C-C of fig. 2 of the present invention.

Fig. 7 is an enlarged view of a portion of the invention at X in fig. 6.

Fig. 8 is a schematic view of the structure among the rotor core, the rotor winding, the rotating shaft and the terminal as the object of assembly of the present invention.

Fig. 9 is a schematic view of the structure between the assembled object commutator, wire grooves and wire terminals of the present invention.

In the figure: 100. a rotor core; 200. a rotor winding; 300. a rotating shaft; 400. a line end; 500. a commutator; 600. a wire bonding groove; 1. a work table; 2. clamping and positioning the device; 21. a clamping plate; 22. clamping a double-shaft hydraulic cylinder; 23. a substrate; 231. an arc-shaped plate; 232. a spring plate; 233. a base plate; 24. positioning blocks; 25. a positioning cylinder; 251. positioning a plate; 252. a buffer plate; 253. a first cylinder; 254. a second cylinder; 255. a third cylinder; 256. a baffle plate; 257. a first spring; 258. a round bar; 259. a bevel block; 2510. a groove; 2511. a second spring; 2512. an auxiliary lever; 3. a shaft clamping and inserting device; 31. a shaft entering hydraulic cylinder; 32. a shaft entering block; 33. a connecting plate; 34. an annular seat; 35. a clamp ring; 36. a drive ring; 37. clamping a double-shaft hydraulic cylinder; 38. a clamping mechanism; 381. a base plate; 382. a bar-shaped block; 383. a drive block; 384. a return spring; 385. a V-shaped plate; 386. a partition panel; 39. a fine adjustment mechanism; 391. a planar rack; 392. a fixed block; 393. an auxiliary plate; 394. an electric push rod.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings; in this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

Referring to fig. 1 and 2, an automatic assembling device for a motor commutator shaft-entering assembly comprises a workbench 1, a clamping and positioning device 2 and a clamping shaft-entering device 3, wherein the clamping and positioning device 2 and the clamping shaft-entering device 3 are sequentially arranged from left to right on the upper end of the workbench 1.

Referring to fig. 1, 2 and 3, the clamping and positioning device 2 includes a clamping plate 21, a clamping double-shaft hydraulic cylinder 22, a substrate 23, a positioning block 24 and a positioning cylinder 25, the upper end of the workbench 1 is provided with two clamping plates 21 which are symmetrically arranged front and back in a front-back sliding manner, the upper end of the workbench 1 is provided with the clamping double-shaft hydraulic cylinder 22 and the clamping double-shaft hydraulic cylinder 22 is located between the two clamping plates 21, two output ends of the clamping double-shaft hydraulic cylinder 22 are both connected with the clamping plate 21, the opposite ends of the clamping plates 21 are provided with the substrate 23, the substrate 23 is in an arc structure and grooves of the substrate 23 are distributed oppositely, the upper end of the workbench 1 is fixed with the positioning block 24 and the positioning block 24 is located on the left side of the clamping plate 21, the upper end of the positioning block 24 is provided with the positioning cylinder 25 which is horizontally arranged and the positioning cylinder 25 is in a hollow structure which is through from left to right; during specific work, firstly, one end of the rotating shaft 300 without the wire end 400 is sleeved in the positioning cylinder 25, then two output ends of the clamping double-shaft hydraulic cylinder 22 are clamped to drive the clamping plates 21 to move oppositely, then the rotor core 100 is clamped and fixed through the base plate 23, meanwhile, the rotating shaft 300 is ensured to be kept in a horizontal state, then, the commutator 500 is installed on the rotating shaft 300 through the clamping shaft-in device 3, and the wire end 400 of the rotor winding 200 is ensured to be smoothly clamped into the wire welding groove 600 of the commutator 500, it should be noted that when the base plate 23 clamps and fixes the rotor core 100, the central line of the rotating shaft 300 is overlapped with the central line of the positioning cylinder 25.

Referring to fig. 3, an arc plate 231 is arranged in the groove of each base plate 23, the arc plate 231 has grooves, the grooves of the arc plates 231 are distributed oppositely, the arc plates 231 are mounted in the grooves of the base plates 23 through spring pieces 232, and backing plates 233 are arranged in the grooves of the arc plates 231; when the base plate 23 is driven by the clamping double-shaft hydraulic cylinder 22 to move towards the direction of the rotor core 100, the arc-shaped plate 231 is firstly contacted with the rotor core 100 through the backing plate 233, at this time, the base plate 23 continues to move, so that the spring pieces 232 start to be stressed and deformed, and the arc-shaped plate 231 clamps and fixes the rotor core 100 through the backing plate 233.

Referring to fig. 1, 2 and 6, a positioning plate 251 with a hollow middle portion is installed at the right end of the positioning cylinder 25, a buffer plate 252 is arranged on the right end face of the positioning plate 251, a first cylinder 253, a second cylinder 254 and a third cylinder 255 with gradually reduced diameters are sequentially arranged in the positioning cylinder 25 in a sliding mode from the edge to the center in a penetrating mode, the first cylinder 253, the second cylinder 254 and the third cylinder 255 are located on the same central line, a baffle 256 is arranged on the left side of the positioning cylinder 25, the right end of the baffle 256 is connected with a first spring 257, and the other end of the first spring 257 is fixed on the outer side wall of the positioning cylinder 25 through a mounting seat.

Referring to fig. 6 and 7, a round rod 258 penetrates through the inner side wall of the first cylinder 253 and the inner side wall of the second cylinder 254 in a sliding manner, the lower end of the round rod 258 is connected with a slope block 259, sliding grooves matched with the slope block 259 are formed in the inner side wall of the first cylinder 253 and the inner side wall of the second cylinder 254 in a sliding manner, a groove 2510 is formed in the inner side wall of the positioning cylinder 25 and located on the axis of the round rod 258 of the first cylinder 253, a second spring 2511 is arranged in the groove 2510, an auxiliary rod 2512 penetrates through the inner side wall of the first cylinder 253 in a sliding manner, a groove 2510 is formed in the inner side wall of the positioning cylinder 25 and located on the axis of the auxiliary rod 2512, and a second spring 2511 is arranged in the groove 2510.

When the double-shaft hydraulic clamping device works specifically, the length of the rotating shaft 300 extending into the positioning cylinder 25 can be limited through the positioning disc 251, so that the clamping position of the rotor core 100 can be limited, and when the rotor winding 200 on the left side of the rotating shaft 300 is in contact with the buffer plate 252 on the positioning disc 251, the arc-shaped plate 231 can clamp and fix the rotor core 100 through the clamping double-shaft hydraulic cylinder 22. According to the invention, the first cylinder 253, the second cylinder 254 and the third cylinder 255 are arranged in the positioning cylinder 25, so that for rotating shafts 300 with different diameters, when the rotating shaft 300 slides into the first cylinder 253, the left side of the rotating shaft 300 pushes against the inclined block 259 on the first cylinder 253 to move upwards, so that one end of the round rod 258, far away from the inclined block 259, slides into the corresponding groove 2510, and compresses the second spring 2511 in the groove 2510 to be in a compressed state, thereby avoiding the situation that the first cylinder 253 moves leftwards under the action of friction force, leading to the fact that the first cylinder 253 cannot perform center line positioning on the shaft 300, then the second cylinder 254 contacts with the baffle 256 on the left side of the positioning cylinder 25 under the leftward pushing of the rotating shaft 300 and pushes the baffle 256 to move leftwards, leading to the first spring 257 to be in a stretched state, and facilitating the second cylinder 254 to return to an initial position through the first spring 257, when the rotating shaft 300 slides into the second cylinder 254, the round bar 258 pushes the auxiliary bar 2512 by abutting against the slope block 259 in the second cylinder 254, so that one end of the auxiliary bar 2512 far away from the slope block 259 enters the groove 2510, and the second spring 2511 in the groove 2510 is in a compressed state, and the invention can realize that the round bar 258 and the auxiliary bar 2512 return to the initial position in an idle state through the second spring 2511.

Referring to fig. 1, 2, 4 and 5, the clamping and shaft-entering device 3 comprises a shaft-entering hydraulic cylinder 31, a shaft-entering block 32, a connecting plate 33, an annular seat 34, a clamping ring 35, a driving ring 36, a clamping double-shaft hydraulic cylinder 37, a clamping mechanism 38 and a fine adjustment mechanism 39, the upper end of the workbench 1 is provided with the shaft-entering block 32 in a left-right sliding manner, the shaft-entering block 32 is located on the right side of the clamping plate 21, the shaft-entering block 32 is connected with the output end of the shaft-entering hydraulic cylinder 31, the fixed section of the shaft-entering hydraulic cylinder 31 is installed on the workbench 1, the upper ends of the left side and the right side of the shaft-entering block 32 are respectively fixed with the connecting plate 33, the upper end of the connecting plate 33 is provided with the annular seat 34, two annular seats 34 are provided with the clamping ring 35 therebetween, the left end and the right end of the clamping ring 35 are rotatably arranged on the annular seat 34, the outer side wall of the clamping ring 35 is provided with the two driving rings 36 which are symmetrically arranged in a left-right sliding manner, and a plurality of the outer side wall of the clamping double-right hydraulic cylinder 37 are uniformly installed on the clamping double-axis hydraulic cylinder 35 in a circumferential direction The cylinder 37 is positioned between two driving rings 36, two output ends of the clamping double-shaft hydraulic cylinder 37 are connected with the driving rings 36, and a clamping mechanism 38 and a fine adjustment mechanism 39 are arranged on the clamping ring 35; the center line of the positioning cylinder 25 coincides with the center line of the clamping ring 35.

When the commutator 500 works, firstly, the commutator 500 is placed in the clamping ring 35, and simultaneously, the end of the commutator 500 provided with the welding wire groove 600 is ensured to face the rotating shaft 300, then two output ends of the clamping double-shaft hydraulic cylinder 37 are clamped to push the driving ring 36 to move towards the left side and the right side of the clamping ring 35, so that the clamping mechanism 38 fixedly clamps the commutator 500, simultaneously, the commutator 500 is concentric with the clamping ring 35, then the shaft entering hydraulic cylinder 31 drives the shaft entering block 32 to move towards the rotating shaft 300, further, the connecting plate 33 drives the clamping ring 35 to synchronously move through the annular seat 34, as the central line of the positioning cylinder 25 is superposed with the central line of the clamping ring 35, the positioning cylinder 25, the clamping ring 35 and the rotating shaft 300 are positioned on the same central line, therefore, when the clamping ring 35 drives the commutator 500 to move towards the rotating shaft 300, the commutator 500 can be smoothly sleeved on the rotating shaft 300 in a sliding manner, and simultaneously, the clamping ring 35 is driven to rotate on the annular seat 34 through the fine adjustment mechanism 39, thereby driving the commutator 500 to rotate synchronously and ensuring that the wire end 400 of the rotor winding 200 is clamped into the wire bonding groove 600 of the commutator 500.

Referring to fig. 4 and 5, the clamping mechanism 38 includes a bottom plate 381, a bar-shaped block 382, a driving block 383, and a return spring 384, a plurality of bottom plates 381 are uniformly arranged in the circumferential direction of the clamping ring 35, a plurality of symmetrically arranged bar-shaped blocks 382 are arranged at one end of the bottom plate 381 facing the inner side wall of the clamping ring 35, the bar-shaped blocks 382 penetrate through the clamping ring 35, a plurality of driving blocks 383 are arranged on the opposite side of the left and right driving rings 36, the driving blocks 383 are in a right-angle triangular prism structure, the inclined surface of each driving block 383 is abutted to the corresponding bar-shaped block 382, and the return spring 384 is connected between the bottom plate 381 and the inner side wall of the clamping ring 35.

Bottom plate 381 be the arc structure and keep away from the one end of clamp ring 35 inside wall for the concave surface, bottom plate 381 concave surface is provided with two symmetric distribution's V template 385 and V template 385 corner and articulates on bottom plate 381 concave surface, and is a plurality of V template 385 distributes along clamp ring 35 axis circumference, V template 385 contained angle is greater than 90, the terminal surface that bottom plate 381 was kept away from to V template 385 is provided with partition plate 386.

In specific work, when the clamping double-shaft hydraulic cylinder 37 drives the two driving rings 36 to slide on the outer side walls of the clamping rings 35, the driving blocks 383 on the driving rings 36 also move synchronously, then when the inclined surfaces on the driving blocks 383 abut against the matching surfaces of the strip blocks 382, the strip blocks 382 move towards the centers of the clamping rings 35, meanwhile, the strip blocks 382 drive the bottom plate 381 to move synchronously, so that the V-shaped plates 385 on the bottom plate 381 contact the commutator 500 through the partition plates 386 until the commutator 500 is clamped and fixed, and meanwhile, the commutator 500 and the clamping rings 35 are ensured to be concentric, at the moment, the return springs 384 are in a stretching state, when shaft assembly of the commutator 500 is completed, the clamping double-shaft hydraulic cylinder 37 drives the two driving rings 36 to return to an initial position, and then the bottom plate 381 drives the V-shaped plates 385 to return to the initial position under the action of the return springs 384.

Referring to fig. 1 to 5, the backing plate 233, the buffer plate 252 and the partition plate 386 are all made of non-metal elastic material, and the arc-shaped plate 231 and the V-shaped plate 385 are both made of metal elastic material; the invention avoids the arc plate 231 contacting with the rotor core 100 directly to scratch the rotor core 100, the positioning disk 251 contacting with the rotor winding 200 directly to crush the rotor winding 200 and the V-shaped plate 385 contacting with the commutator 500 directly to scratch the commutator 500 through the cushion plate 233, the buffer plate 252 and the partition plate 386 made of non-metal elastic material; meanwhile, the arc plate 231 and the V-shaped plate 385 of the invention have certain elastic deformation, so that the arc plate 231 is prevented from crushing the rotor core 100 in the process of clamping the rotor core 100, and the V-shaped plate 385 is prevented from crushing the commutator 500 in the process of clamping the commutator 500.

Referring to fig. 4, the fine adjustment mechanism 39 includes a flat rack 391, a fixed block 392, an auxiliary plate 393 and an electric push rod 394, the lower end surface of the clamping ring 35 is provided with gear teeth, the horizontal flat rack 391 is arranged below the clamping ring 35, the clamping ring 35 is meshed with the flat rack 391 through the gear teeth, the fixed blocks 392 are fixed at the front and rear ends of the upper end surface of the shaft entering block 32, two ends of the flat rack 391 slide through the two fixed blocks 392, the lower end of the flat rack 391 is connected with the output end of the electric push rod 394 through the auxiliary plate 393, and the fixed section of the electric push rod 394 is installed at the upper end of the shaft entering block 32; in operation, the electric push rod 394 drives the planar rack 391 to move back and forth through the auxiliary plate 393, and then the planar rack 391 is meshed with the gear teeth on the lower end face of the clamping ring 35 to drive the clamping ring 35 to rotate on the annular seat 34, and the commutator 500 synchronously rotates under the action of the clamping ring 35, so as to ensure that the wire end 400 of the rotor winding 200 is smoothly clamped into the wire bonding groove 600 of the commutator 500.

The invention comprises the following working steps: the first step is as follows: firstly, the end of the rotating shaft 300 without the wire end 400 is sleeved in the positioning cylinder 25, and then the two output ends of the clamping double-shaft hydraulic cylinder 22 drive the base plates 23 to move towards each other, so that the arc-shaped plate 231 clamps and fixes the rotor core 100.

The second step is that: the commutator 500 is placed in the clamping ring 35, and the end of the commutator 500 provided with the welding wire groove 600 faces the rotating shaft 300, and then the clamping mechanism 38 is driven by the clamping double-shaft hydraulic cylinder 37 to clamp and fix the commutator 500.

The third step: the shaft-in block 32 is driven to move under the action of the shaft-in hydraulic cylinder 31, so that the clamping ring 35 drives the commutator 500 to synchronously move towards the rotating shaft 300 until the commutator 500 is sleeved on the rotating shaft 300, and simultaneously the clamping ring 35 is driven to rotate by the fine adjustment mechanism 39, so that the wire end 400 of the rotor winding 200 is smoothly clamped into the wire welding groove 600 of the commutator 500.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic rigging equipment of motor commutator income axle equipment, includes that workstation (1), centre gripping positioner (2) and centre gripping go into a device (3), its characterized in that: the upper end of the workbench (1) is sequentially provided with a clamping and positioning device (2) and a clamping and shaft-inserting device (3) from left to right; wherein:

centre gripping positioner (2) include grip block (21), centre gripping biax pneumatic cylinder (22), base plate (23), locating piece (24) and location section of thick bamboo (25), slide grip block (21) that are provided with two front and back symmetrical arrangement around workstation (1) upper end, workstation (1) upper end is installed centre gripping biax pneumatic cylinder (22) and is located between two grip blocks (21), two outputs of centre gripping biax pneumatic cylinder (22) all are connected with grip block (21), the relative one end of grip block (21) all is provided with base plate (23), base plate (23) are the recess relative distribution of arc structure and base plate (23), workstation (1) upper end is fixed with locating piece (24) and is located grip block (21) left side, location section of thick bamboo (25) and the hollow structure that location section of thick bamboo (25) that level arrangement link up about locating piece (24) upper end is installed with location section of thick bamboo (25) (ii) a

The clamping and shaft-entering device (3) comprises a shaft-entering hydraulic cylinder (31), a shaft-entering block (32), a connecting plate (33), an annular seat (34), a clamping ring (35), a driving ring (36), a clamping double-shaft hydraulic cylinder (37), a clamping mechanism (38) and a fine adjustment mechanism (39), wherein the shaft-entering block (32) is arranged at the upper end of the workbench (1) in a left-right sliding manner, the shaft-entering block (32) is positioned at the right side of the clamping plate (21), the shaft-entering block (32) is connected with the output end of the shaft-entering hydraulic cylinder (31), the fixed section of the shaft-entering hydraulic cylinder (31) is arranged on the workbench (1), the connecting plate (33) is fixed at the upper end of the left side and the right side of the shaft-entering block (32), the annular seat (34) is arranged at the upper end of the connecting plate (33), the clamping ring (35) is arranged between the annular seats (34), and the left end and the right end of the clamping ring (35) are rotatably arranged on the annular seat (34), the utility model discloses a clamp ring, including clamp ring (35), two drive rings (36) that bilateral symmetry arranged are provided with in slip to clamp ring (35) lateral wall, a plurality of double-shaft hydraulic cylinder (37) of pressing from both sides and press from both sides double-shaft hydraulic cylinder (37) and lie in between two drive rings (36) are evenly installed to clamp ring (35) lateral wall circumference, press from both sides two outputs of double-shaft hydraulic cylinder (37) and all be connected with drive ring (36), be provided with fixture (38) and fine-tuning (39) on clamp ring (35).

2. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 1, characterized in that: each base plate (23) is provided with an arc-shaped plate (231) in the groove, the arc-shaped plates (231) are provided with grooves, the grooves of the arc-shaped plates (231) are distributed oppositely, the arc-shaped plates (231) are installed in the grooves of the base plates (23) through spring pieces (232), and backing plates (233) are arranged in the grooves of the arc-shaped plates (231).

3. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 2, characterized in that: the positioning cylinder (25) right end install middle part hollow positioning disk (251), positioning disk (251) right end face is provided with buffer board (252), slide in proper order from the edge to the center in positioning cylinder (25) and wear to be equipped with diameter one number drum (253), No. two drums (254) and No. three drums (255) that gradually reduce and the three is located same central line, positioning cylinder (25) left side is provided with baffle (256), baffle (256) right end is connected with spring (257), spring (257) other end is fixed on positioning cylinder (25) lateral wall through the mount pad.

4. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 3, characterized in that: the clamping mechanism (38) comprises a bottom plate (381), strip-shaped blocks (382), driving blocks (383) and a reset spring (384), wherein a plurality of bottom plates (381) are uniformly arranged in the clamping ring (35) in the circumferential direction, the strip-shaped blocks (382) which are symmetrically arranged are arranged at one end, facing the inner side wall of the clamping ring (35), of the bottom plate (381), the strip-shaped blocks (382) penetrate through the clamping ring (35), a plurality of driving blocks (383) are arranged on one side, opposite to the driving ring (36), of the left side and the right side, the driving blocks (383) are of a right-angle triangular prism structure, the inclined surface of each driving block (383) is abutted to the corresponding strip-shaped block (382), and the reset spring (384) is connected between the inner side walls of the bottom plate (381) and the clamping ring (35).

5. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 4, characterized in that: bottom plate (381) be the arc structure and keep away from the one end of grip ring (35) inside wall for the concave surface, bottom plate (381) concave surface is provided with V template (385) and V template (385) corner that two symmetric distributions articulate on bottom plate (381) concave surface, and is a plurality of V template (385) distribute along grip ring (35) axis circumference, V template (385) contained angle is greater than 90, the terminal surface that bottom plate (381) were kept away from in V template (385) is provided with partition plate (386).

6. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 5, characterized in that: the backing plate (233), the buffer plate (252) and the partition plate (386) are all made of non-metal elastic materials, and the arc-shaped plate (231) and the V-shaped plate (385) are both made of metal elastic materials.

7. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 1, characterized in that: the fine adjustment mechanism (39) comprises a plane rack (391), a fixing block (392), an auxiliary plate (393) and an electric push rod (394), gear teeth are arranged on the lower end face of the clamping ring (35), a horizontal plane rack (391) is arranged below the clamping ring (35), the clamping ring (35) is meshed with the plane rack (391) through the gear teeth, the fixing block (392) is fixed on the front end and the rear end of the upper end face of the shaft entering block (32), two ends of the plane rack (391) penetrate through the two fixing blocks (392) in a sliding mode, the lower end of the plane rack (391) is connected with the output end of the electric push rod (394) through the auxiliary plate (393), and the fixing section of the electric push rod (394) is installed on the upper end of the shaft entering block (32).

8. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 1, characterized in that: the center line of the positioning cylinder (25) is coincided with the center line of the clamping ring (35).

9. The automatic assembling equipment for the motor commutator shaft-in assembly according to claim 3, characterized in that: a cylinder (253) inside wall on with No. two cylinder (254) inside walls all slide to run through and have round bar (258), round bar (258) lower extreme is connected with ramp block (259), all set up the spout with ramp block (259) sliding fit on cylinder (253) inside wall and No. two cylinder (254) inside walls, set up fluted (2510) on cylinder (25) inside wall and the round bar (258) axis that is located a cylinder (253), be provided with No. two spring (2511) in recess (2510), it has auxiliary rod (2512) to slide to run through on cylinder (253) inside wall, also set up fluted (2510) on the axis that just is located auxiliary rod (2512) on cylinder (25) inside wall, and be provided with No. two spring (2511) in recess (2510).