CN114530993A

CN114530993A - High-precision generator stator lamination tool

Info

Publication number: CN114530993A
Application number: CN202210434626.8A
Authority: CN
Inventors: 苏海轮; 苏联风; 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: 2022-05-24
Anticipated expiration: 2042-04-24
Also published as: CN114530993B

Abstract

The invention relates to the field of generator stator lamination, in particular to a high-precision generator stator lamination tool which comprises a workbench, an outer clamping device and an inner supporting device, wherein the top of the workbench is provided with the outer clamping device and the inner supporting device; the invention can simultaneously limit the outer wall and the inner wall of the stator lamination according to the stator laminations with different specifications, and can quickly ensure the coaxiality of the stator laminations, thereby improving the uniformity of the stator laminations.

Description

High-precision generator stator lamination tool

Technical Field

The invention relates to the field of generator stator lamination, in particular to a high-precision generator stator lamination tool.

Background

The stator of the generator is a static part of the motor and mainly comprises an iron core, a machine base, a coil and other parts, wherein the stator iron core is a part of a magnetic circuit of the motor, magnetic flux in the stator iron core is alternating magnetic flux, the stator iron core is formed by laminating a plurality of silicon steel sheets with better magnetic conductivity and insulating layers on the surfaces, uniformly distributed grooves are punched in the inner circle of a stator lamination for embedding stator windings, and the stator of the generator is formed by laminating and welding a plurality of steel plate laminations.

The existing stator lamination can not process stator laminations with different specifications when being stacked, can not limit the outer wall and the inner wall of the stator lamination at the same time, and can not ensure the coaxiality of the stator lamination, thereby reducing the uniformity of the stator lamination; after the stator laminations are stacked, the stacked stator laminations need to be blanked, the blanking is mainly carried out in a manual mode at present, the manual blanking mode has uncertainty, and the stator laminations after the stacking are easily inclined during blanking, so that the coaxiality of the stator laminations after the blanking can not be ensured.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a high-precision generator stator lamination tool which is realized by the following technical scheme: the utility model provides a high accuracy generator stator lamination frock, includes workstation, outer clamping device and interior strutting arrangement, the top of workstation be provided with outer clamping device and interior strutting arrangement.

The outer clamping device comprises a cylindrical rod, a first circular groove, an annular cylinder, an annular block, an annular groove, connecting rods, limiting blocks, a sliding block and a second arc-shaped plate, wherein the cylindrical rod is fixedly arranged at the center of the upper end face of the workbench, the first circular groove is formed in the upper end face of the cylindrical rod, the annular cylinder is fixedly arranged on the upper end face of the workbench and positioned outside the cylindrical rod, the annular block is sleeved on the cylindrical rod, the arc-shaped groove is uniformly formed in the inner side wall of the annular block along the circumferential direction, the annular groove is formed in the lower end face of the annular block, the upper end face of the annular cylinder is positioned in the annular groove, the outer side wall of the annular block is hinged with the connecting rods through pin shafts, the connecting rods are uniformly distributed in the circumferential direction, a plurality of groups of limiting blocks are fixedly arranged on the upper end face of the workbench, each group of limiting blocks is provided with two limiting blocks, the plurality of limiting blocks are uniformly distributed along the circumferential direction of the annular block, and the sliding block is arranged between each group of limiting blocks in a sliding manner, the one end that the annular piece lateral wall was kept away from to the connecting rod is articulated mutually through the up end of round pin axle and sliding block, and the up end fixed mounting of sliding block has No. two arcs.

The inner support device comprises a circular plate, a rotating rod, a circular table block, an extension rod, a compression spring, an arc plate, a support circular plate and a lower material rack, wherein the position close to the upper part in the circular groove is fixedly provided with the circular plate, the rotating rod is rotatably arranged on the circular plate, the lower end surface of the rotating rod penetrates through the circular plate and then extends downwards, the circular table block is fixedly arranged on the side wall of the rotating rod and positioned below the circular plate, the circular table blocks are arranged from top to bottom, the circular plate is in threaded connection with the rotating rod, the side wall of the cylindrical rod is uniformly provided with moving holes along the circumferential direction from top to bottom, the moving holes are communicated with the circular groove, the extension rod is arranged in the moving holes in a sliding manner, the compression spring is arranged at one end of the extension rod positioned in the circular groove, one end of the compression spring is fixedly connected with the inner end surface of the circular groove, and the arc plate is fixedly arranged at the other end of the extension rod, the cylinder pole lateral wall fixed mounting has the support plectane, is provided with down the work or material rest on the support plectane.

As a preferred technical scheme of the invention, the blanking frame comprises a first gear, an annular support plate, a spring telescopic rod, a threaded rod, a limiting column, a second gear and a driving gear, wherein the first gear is rotatably arranged on the side wall of the cylindrical rod and below the support circular plate, the annular support plate is arranged above the support circular plate, the annular support plate and the support circular plate are connected through the spring telescopic rod, the spring telescopic rod is uniformly distributed along the circumferential direction of the cylindrical rod, two threaded rods are fixedly arranged on the lower end surface of the annular support plate, the lower end surface of each threaded rod penetrates through the support circular plate and then extends downwards, the limiting columns are symmetrically and fixedly arranged on two sides of the lower end surface of the support circular plate, the second gear is connected to the lower part of the support circular plate through threads, the second gear is in meshing transmission with the first gear, the limiting columns are in sliding connection with the second gear, and a forward and reverse rotation motor is fixedly arranged on the lower end surface of the support circular plate, and a driving gear is fixedly arranged on an output shaft of the forward and reverse rotating motor, and the driving gear is in meshing transmission with the first gear.

As a preferred technical scheme of the invention, a rubber layer is fixedly arranged on the inner side wall of the second arc-shaped plate.

As a preferred technical scheme of the invention, the side wall of the cylindrical rod is uniformly and fixedly provided with the telescopic spring rods along the circumferential direction, one end of each telescopic spring rod, which is far away from the side wall of the cylindrical rod, is fixedly provided with the small ball, and the small ball is positioned in the arc-shaped groove formed in the inner side wall of the annular block; the annular block is limited by the arranged telescopic spring rod and the small ball, the small ball repeatedly breaks away from the arc-shaped groove under the action of elastic force of the telescopic spring rod in the process of rotating the annular block, resistance of the annular block during rotation is increased, single rotation angle of the annular block is limited, and the problem that the rotation angle of the annular block is too large or too small is avoided.

As a preferred technical scheme of the invention, a push rod is fixedly arranged between two second arc-shaped plates on the side wall of the annular block; the outer wall of the stator lamination of the generator is clamped and limited in a rotating ring-shaped block mode, and the push rod is mainly arranged to facilitate rotation of the ring-shaped block.

As a preferred technical scheme of the invention, the diameters of the plurality of circular platform blocks are gradually reduced from top to bottom; the rotating rod can drive the circular truncated cone block to rotate downwards, and the protruding rod can be extruded by the circular truncated cone block.

As a preferred technical scheme of the invention, the opposite surface of each group of limiting blocks is provided with a moving groove, one end of the sliding block, which is contacted with the side wall of the limiting block, is fixedly provided with a limiting sliding block, and the limiting sliding block is connected with the moving groove in a sliding manner.

As a preferable technical scheme of the invention, the lower end surface of the threaded rod is fixedly provided with a limiting plate.

Compared with the prior art, the invention has the following advantages: 1. the invention can simultaneously limit the outer wall and the inner wall of the stator lamination according to the stator laminations with different specifications, thereby improving the uniformity of the stator laminations.

2. The outer clamping device and the inner supporting device are arranged to limit the outer wall and the inner wall of the stator lamination simultaneously, the coaxiality of the stacked stator lamination can be adjusted rapidly, and the two modes can be used independently.

3. According to the invention, the stacked generator stator laminations are discharged through the arranged discharging frame, the forward and reverse rotating motor is started to rotate forward, so that the threaded rod pushes the annular support plate to move upwards, and the annular support plate pushes the stacked generator stator laminations to perform rapid discharging.

Drawings

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

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

Fig. 2 is a schematic perspective view of the table and outer clamping device of the present invention.

FIG. 3 is a schematic plan view of the table and outer clamping assembly of the present invention.

Fig. 4 is a partial enlarged view of the invention at N of fig. 2.

Fig. 5 is an enlarged view of a portion of the invention at X of fig. 3.

Fig. 6 is a schematic plan view of the main section of the present invention.

FIG. 7 is a schematic view of the structure of the cylindrical rod, the supporting circular plate, the first gear, the threaded rod, the second gear and the driving gear of the present invention.

Fig. 8 is a schematic diagram of the structure of the work object of the present invention.

In the figure: 1. a work table; 2. an outer clamping device; 21. a cylindrical rod; 212. a telescopic spring rod; 213. a small ball; 22. a first circular groove; 23. an annular cylinder; 24. a ring block; 241. a push rod; 25. an annular groove; 26. a connecting rod; 27. a limiting block; 271. a moving groove; 272. a limiting slide block; 28. a slider; 29. a second arc plate; 3. an inner support means; 31. a circular plate; 32. rotating the rod; 33. a round table block; 34. an extension bar; 35. a compression spring; 36. a first arc plate; 37. a supporting circular plate; 38. a blanking frame; 381. a first gear; 382. an annular support plate; 383. a spring telescopic rod; 384. a threaded rod; 380. a limiting plate; 385. a limiting column; 386. a second gear; 387. and a driving gear.

Detailed Description

The present invention will be further described in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the present invention easy to understand.

Referring to fig. 1, the high-precision generator stator lamination tool comprises a workbench 1, an outer clamping device 2 and an inner supporting device 3, wherein the outer clamping device 2 and the inner supporting device 3 are arranged at the top of the workbench 1.

Referring to fig. 1, 3 and 6, the outer clamping device 2 includes a cylindrical rod 21, a first circular groove 22, an annular cylinder 23, an annular block 24, an annular groove 25, a connecting rod 26, a limiting block 27, a sliding block 28 and a second arc-shaped plate 29, the cylindrical rod 21 is fixedly installed at the center of the upper end face of the workbench 1, the first circular groove 22 is formed in the upper end face of the cylindrical rod 21, the annular cylinder 23 is fixedly installed on the upper end face of the workbench 1 and located on the outer side of the cylindrical rod 21, the annular block 24 is sleeved on the cylindrical rod 21, and a push rod 241 is fixedly installed on the side wall of the annular block 24; the outer wall of the stator lamination of the generator is clamped and limited by rotating the ring block 24, and the push rod 241 is mainly arranged for facilitating the rotation of the ring block 24; the inner side wall of the annular block 24 is uniformly provided with arc-shaped grooves along the circumferential direction, the lower end face of the annular block 24 is provided with an annular groove 25, the upper end face of the annular cylinder 23 is positioned in the annular groove 25, the outer side wall of the annular block 24 is hinged with a plurality of connecting rods 26 through pin shafts, the connecting rods 26 are uniformly distributed in the circumferential direction, the upper end face of the workbench 1 is fixedly provided with a plurality of groups of limiting blocks 27, each group of limiting blocks 27 is provided with two limiting blocks 27, the plurality of groups of limiting blocks 27 are uniformly distributed in the circumferential direction of the annular block 24, sliding blocks 28 are arranged between each group of limiting blocks 27 in a sliding manner, one ends, far away from the side wall of the annular block 24, of the connecting rods 26 are hinged with the upper end face of the sliding blocks 28 through pin shafts, and the upper end face of the sliding blocks 28 is fixedly provided with a second arc-shaped plate 29; a rubber layer is fixedly arranged on the inner side wall of the second arc-shaped plate 29; when the outer wall of the stacked generator stator lamination is clamped and limited by the second arc plate 29, the generator stator lamination clamped and limited can be prevented from moving through the arranged rubber layer, and the problem that the generator stator lamination is scratched can be avoided.

Referring to fig. 2 and 4, the opposite surface of each set of limiting block 27 is provided with a moving groove 271, one end of the sliding block 28 contacting with the side wall of the limiting block 27 is fixedly provided with a limiting sliding block 272, and the limiting sliding block 272 and the moving groove 271 are connected in a sliding manner; the sliding block 272 slides in the moving groove 271 so as to prevent the sliding block 28 from separating from the limiting block 27;

referring to fig. 3 and 5, the side wall of the cylindrical rod 21 is uniformly and fixedly provided with the telescopic spring rods 212 along the circumferential direction, one end of the telescopic spring rod 212 far away from the side wall of the cylindrical rod 21 is fixedly provided with the small ball 213, and the small ball 213 is located in an arc-shaped groove formed in the inner side wall of the annular block 24; the annular block 24 is limited by the arranged telescopic spring rod 212 and the small ball 213, and the small ball 213 is repeatedly separated from the arc-shaped groove under the action of the elastic force of the telescopic spring rod 212 in the rotating process of the annular block 24, so that the resistance of the annular block 24 in the rotating process is increased, the single-rotation angle of the annular block 24 is limited, and the problem that the rotation angle of the annular block 24 is too large or too small is solved.

When the outer wall to the generator stator lamination presss from both sides tight spacing, at first establish the outside at cylinder pole 21 with generator stator lamination cover in batches, after placing the completion, rotatory ring block 24, ring block 24 drives connecting rod 26 and rotates, this moment under stopper 27's effect, connecting rod 26 drives sliding block 28 and removes to the direction that is close to cylinder pole 21 lateral wall, No. two arcs 29 on sliding block 28 carry out the fast clamp to the generator stator lamination outer wall of placing in batches very much spacing this moment, make a plurality of generator stator laminations keep with the axle center, generator stator lamination can carry out fast speed adjusting with the axle center through No. two arcs 29.

Referring to fig. 1 and 6, the inner support device 3 includes a circular plate 31, a rotating rod 32, a circular table block 33, an extension rod 34, a compression spring 35, a first arc plate 36, a supporting circular plate 37 and a blanking frame 38, the circular plate 31 is fixedly installed at a position close to the upper side in the first circular groove 22, the rotating rod 32 is rotatably installed on the circular plate 31, the lower end face of the rotating rod 32 penetrates through the circular plate 31 and then extends downward, the circular table block 33 is fixedly installed on the side wall of the rotating rod 32 and below the circular plate 31, the circular table blocks 33 are arranged from top to bottom, the diameter of the circular table block 33 is gradually reduced from top to bottom, the circular plate 31 is in threaded connection with the rotating rod 32, moving holes are evenly formed in the side wall of the cylindrical rod 21 from top to bottom along the circumferential direction, the moving holes are communicated with the first circular groove 22, and the extension rod 34 is slidably arranged in the moving holes; the rotating rod 32 can drive the circular platform block 33 to rotate downwards, and the circular platform block 33 can extrude the extension rod 34; a compression spring 35 is arranged at one end, located in the first circular groove 22, of the extension rod 34, one end of the compression spring 35 is fixedly connected with the inner end face of the first circular groove 22, a first arc-shaped plate 36 is fixedly mounted at the other end of the extension rod 34, a supporting circular plate 37 is fixedly mounted on the side wall of the cylindrical rod 21, and a blanking frame 38 is arranged on the supporting circular plate 37; when supporting spacing to the inner wall of generator stator lamination, at first establish the outside at cylinder pole 21 with generator stator lamination batch cover, after placing the completion, rotatory dwang 32, dwang 32 drives platform piece 33 and carries out rotary motion downwards, platform piece 33 extrusion extension bar 34, make extension bar 34 to the direction motion of keeping away from cylinder pole 21, extension bar 34 drives No. one arc 36 and moves to the lateral wall of keeping away from cylinder pole 21 this moment, make No. one arc 36 support spacing fast to the inner wall of the generator stator lamination of placing in batches, thereby make a plurality of generator stator laminations keep with the axle center.

Referring to fig. 1, 6 and 7, the blanking frame 38 includes a first gear 381, an annular support plate 382, a spring expansion link 383, a threaded rod 384, a limiting column 385, a second gear 386 and a driving gear 387, the first gear 381 is rotatably disposed on the side wall of the cylindrical rod 21 and below the supporting circular plate 37, the annular support plate 382 is disposed above the supporting circular plate 37, the annular support plate 382 and the supporting circular plate 37 are connected through the spring expansion link 383, the spring expansion links 383 are uniformly arranged along the circumferential direction of the cylindrical rod 21, two threaded rods 384 are fixedly mounted on the lower end surface of the annular support plate 382, the lower end surface of each threaded rod 384 penetrates through the supporting circular plate 37 and then extends downwards, and a limiting plate 380 is fixedly mounted on the lower end surface of each threaded rod 384; the threaded rod 384 is prevented from disengaging from the supporting circular plate 37 by the provided stopper plate 380; the lower end face of the supporting circular plate 37 is symmetrically and fixedly provided with limiting columns 385 on two sides, the threaded rod 384 is arranged below the supporting circular plate 37 and is connected with a second gear 386 through threads, the second gear 386 is in meshing transmission with a first gear 381, the limiting columns 385 are in sliding connection with the second gear 386, the second gear 386 of the limiting columns 385 moves in the vertical direction, the lower end face of the supporting circular plate 37 is limited and is fixedly provided with a forward and reverse rotating motor, an output shaft of the forward and reverse rotating motor is fixedly provided with a driving gear 387, and the driving gear 387 is in meshing transmission with the first gear 381.

When the generator stator lamination is placed outside the cylindrical rod 21 in batch, the generator stator lamination is simply supported by the arranged annular support plate 382, the generator stator lamination is prevented from directly falling onto the annular block 24, so that the rotation of the annular block 24 is influenced, when the first arc-shaped plate 36 and the second arc-shaped plate 29 simultaneously clamp and limit the inner wall and the outer wall of the stacked generator stator lamination, the generator stator lamination keeps coaxial, then the stacked generator stator lamination is discharged, the first arc-shaped plate 36 and the second arc-shaped plate 29 do not limit the generator stator lamination any more during discharging, the forward and reverse rotation motor is started to rotate forward, the forward and reverse rotation motor drives the driving gear 387 to rotate, the driving gear 387 drives the first gear 381 to rotate, the first gear 381 drives the second gear 386 to rotate, and the threaded rod 386 enables the threaded rod 384 to move upwards, at this time, under the limit of the spring telescopic rod 383, the threaded rod 384 pushes the annular support plate 382 to move upwards, the annular support plate 382 pushes the stacked stator lamination of the generator to perform blanking, and the problem that the coaxiality of the stator lamination cannot be guaranteed after blanking due to a traditional manual blanking mode is solved.

The concrete during operation: firstly, the stator laminations of the generator are sleeved on the outer side of a cylindrical rod 21 in batches, the stator laminations of the generator are simply supported through an annular support plate 382, a rotating annular block 24 drives a connecting rod 26 to rotate, at the moment, under the action of a limiting block 27, the connecting rod 26 drives a sliding block 28 to move towards the direction close to the side wall of the cylindrical rod 21, and at the moment, a second arc-shaped plate 29 on the sliding block 28 quickly clamps and limits the outer wall of the stator laminations of the generator which are placed in batches, so that the stator laminations of the generator are kept coaxial; also can rotate dwang 32, dwang 32 drives round platform piece 33 and carries out rotary motion downwards, round platform piece 33 extrudes extension bar 34, make extension bar 34 to the direction motion of keeping away from cylinder pole 21, extension bar 34 drives an arc 36 and moves to the lateral wall of keeping away from cylinder pole 21 this moment, it is spacing to support fast to the generator stator lamination inner wall of placing in batches No. one arc 36, the axiality of stator lamination can all be adjusted to above two kinds of modes, also can use simultaneously by two kinds of modes.

The second step, when carrying out the unloading to the generator stator lamination after the pile up, the first step of reverse operation, make arc 36 and No. two arcs 29 no longer carry on spacingly to generator stator lamination, start the corotation of positive and negative motor simultaneously, positive and negative motor drives driving gear 387 and rotates, driving gear 387 drives a gear 381 and rotates, a gear 381 drives No. two gears 386 and rotates, No. two gears 386 makes threaded rod 384 rebound, at this moment under spring telescopic link 383's is spacing, threaded rod 384 promotes annular support plate 382 rebound, annular support plate 382 promotes the generator stator lamination after the pile up and carries out the unloading.

The foregoing shows and describes the general principles, principal features and advantages of the invention; it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims; the scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high accuracy generator stator lamination frock, includes workstation (1), outer clamping device (2) and interior strutting arrangement (3), its characterized in that: the top of the workbench (1) is provided with an outer clamping device (2) and an inner supporting device (3);

the outer clamping device (2) comprises a cylindrical rod (21), a first circular groove (22), an annular cylinder (23), an annular block (24), an annular groove (25), a connecting rod (26), a limiting block (27), a sliding block (28) and a second arc-shaped plate (29), the cylindrical rod (21) is fixedly arranged at the center of the upper end face of the workbench (1), the first circular groove (22) is formed in the upper end face of the cylindrical rod (21), the annular cylinder (23) is fixedly arranged on the upper end face of the workbench (1) and positioned on the outer side of the cylindrical rod (21), the annular block (24) is sleeved on the cylindrical rod (21), the arc-shaped grooves are uniformly formed in the inner side wall of the annular block (24) along the circumferential direction, the annular groove (25) is formed in the lower end face of the annular block (24), the upper end face of the annular cylinder (23) is positioned in the annular groove (25), and the outer side wall of the annular block (24) is hinged with the connecting rods (26) through pin shafts, the connecting rods (26) are uniformly distributed in the circumferential direction, a plurality of groups of limiting blocks (27) are fixedly mounted on the upper end face of the workbench (1), the plurality of groups of limiting blocks (27) are uniformly distributed in the circumferential direction of the annular block (24), two limiting blocks (27) are arranged in each group, a sliding block (28) is arranged between the limiting blocks (27) in a sliding mode, one end, far away from the side wall of the annular block (24), of each connecting rod (26) is hinged to the upper end face of the corresponding sliding block (28) through a pin shaft, and a second arc-shaped plate (29) is fixedly mounted on the upper end face of each sliding block (28);

the inner supporting device (3) comprises a circular plate (31), a rotating rod (32), a circular platform block (33), an extension rod (34), a compression spring (35), a first arc-shaped plate (36), a supporting circular plate (37) and a blanking frame (38), the circular plate (31) is fixedly arranged in a position, close to the upper part, in the first circular groove (22), the rotating rod (32) is arranged on the circular plate (31) in a rotating mode, the lower end face of the rotating rod (32) penetrates through the circular plate (31) and then extends downwards, the circular platform block (33) is fixedly arranged on the side wall of the rotating rod (32) and is positioned below the circular plate (31), the circular platform block (33) is arranged from top to bottom, the circular plate (31) is in threaded connection with the rotating rod (32), the side wall of the cylindrical rod (21) is uniformly provided with moving holes along the circumferential direction from top to bottom, the moving holes are communicated with the first circular groove (22), the extension rod (34) is arranged in the moving holes in a sliding mode, one end of the extension bar (34) located in the first circular groove (22) is provided with a compression spring (35), one end of the compression spring (35) is fixedly connected with the inner end face of the first circular groove (22), the other end of the compression spring (35) is fixedly connected with the extension bar (34), the other end of the extension bar (34) is fixedly provided with a first arc-shaped plate (36), the side wall of the cylindrical rod (21) is fixedly provided with a supporting circular plate (37), and the supporting circular plate (37) is provided with a blanking frame (38).

2. The high-precision generator stator lamination tool according to claim 1, characterized in that: the blanking frame (38) comprises a first gear (381), an annular support plate (382), a spring expansion link (383), a threaded rod (384), a limiting column (385), a second gear (386) and a driving gear (387), the first gear (381) is rotatably arranged on the side wall of the cylindrical rod (21) and below the support circular plate (37), the annular support plate (382) is arranged above the support circular plate (37), the annular support plate (382) is connected with the support circular plate (37) through the spring expansion link (383), the spring expansion links (383) are uniformly distributed along the circumferential direction of the cylindrical rod (21), two threaded rods (384) are fixedly installed on the lower end face of the annular support plate (382), the lower end face of each threaded rod (384) penetrates through the support circular plate (37) and then extends downwards, the limiting columns (385) are symmetrically and fixedly installed on two sides of the lower end face of the support circular plate (37), the second gear (386) is connected to the lower end face of the threaded rod (384) and is positioned below the support circular plate (37) through threads, no. two gear (386) and gear (381) meshing transmission, spacing post (385) and No. two gear (386) sliding connection, the lower extreme face fixed mounting who supports plectane (37) has positive and negative motor, and positive and negative motor's output shaft fixed mounting has driving gear (387), driving gear (387) and gear (381) meshing transmission.

3. The high-precision generator stator lamination tool according to claim 1, characterized in that: and a rubber layer is fixedly arranged on the inner side wall of the second arc-shaped plate (29).

4. The high-precision generator stator lamination tool according to claim 1, characterized in that: the side wall of the cylindrical rod (21) is uniformly and fixedly provided with a telescopic spring rod (212) along the circumferential direction, one end, far away from the side wall of the cylindrical rod (21), of the telescopic spring rod (212) is fixedly provided with a small ball (213), and the small ball (213) is located in an arc-shaped groove formed in the inner side wall of the annular block (24).

5. The high-precision generator stator lamination tool according to claim 1, characterized in that: and a push rod (241) is fixedly arranged on the side wall of the annular block (24).

6. The high-precision generator stator lamination tool according to claim 1, characterized in that: the diameters of the circular table blocks (33) are gradually reduced from top to bottom.

7. The high-precision generator stator lamination tool according to claim 1, characterized in that: and each group of the limiting blocks (27) is provided with a moving groove (271) on the opposite surface, a limiting sliding block (272) is fixedly mounted at one end of each sliding block (28) contacted with the side wall of each limiting block (27), and each limiting sliding block (272) is connected with the corresponding moving groove (271) in a sliding manner.

8. The high-precision generator stator lamination tool according to claim 2, characterized in that: and a limiting plate (380) is fixedly mounted on the end surface of the threaded rod (384).