Stator and rotor assembling equipment

By coordinating the upper center, lower center, and limiting ring, the problem of deflection during rotor assembly was solved, achieving high precision and high efficiency in stator and rotor assembly.

CN223957425UActive Publication Date: 2026-02-27铭纳阳智能科技(江苏)股份有限公司
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Patent Information

Application Number
CN202520189913.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-02-27
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

During the assembly of the stator and rotor, the rotor is prone to deflection, which leads to a reduction in assembly accuracy.

Method used

By employing the combination of upper and lower centers and a limiting ring, the stator and rotor are precisely positioned and assembled through a lifting mechanism and a transfer mechanism.

Benefits of technology

This improved the precision of stator and rotor assembly, prevented deflection during assembly, and increased assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223957425U_ABST
    Figure CN223957425U_ABST
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Abstract

The utility model relates to stator and rotor assembling equipment which comprises a rack, and a conveying line body for conveying a rotor, a jacking mechanism for positioning the rotor, a tool disc for placing the stator and a transplanting mechanism for moving the stator are arranged on the rack. A tray for supporting a rotor is arranged on the conveying line body, the jacking mechanism is located below the tray and comprises a fixing plate, an installing plate, a jacking frame and a lower tip, the fixing plate is fixedly installed on the top face of the rack, the installing plate is fixedly arranged above the fixing plate, the jacking frame is arranged above the installing plate in a lifting mode, and the lower tip is arranged on the installing plate in a lifting mode. The lower tip ascends to abut against a lower center hole of the rotor rotating shaft; the transplanting mechanism comprises an upper frame body, a horizontal moving assembly, a lifting assembly and an upper tip, the upper frame body is used for grabbing the stator, the horizontal moving assembly is matched with the lifting assembly to move the stator to the position over the rotor, the upper tip is arranged on the upper frame body in a lifting mode, and the upper tip descends to abut against an upper center hole of a rotating shaft of the rotor. The stator and rotor assembling precision can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stator and rotor assembly, especially to a kind of stator and rotor assembly equipment. BACKGROUND

[0002] Motor is a kind of device that converts electrical energy into mechanical energy or converts mechanical energy into electrical energy, and motor mainly includes base, casing, stator, rotor, the casing is installed on the top surface of base, the stator is installed in the inner chamber wall of casing, and the rotor is coaxially arranged in the inner chamber of stator, so as to realize the assembly of rotor and stator.

[0003] In the prior art, during the assembly of the stator and the rotor, the central axis of the stator and the rotor needs to be aligned. During assembly, the rotor is placed on a workbench, the outer wall of the stator is clamped by a clamping jaw, and then the stator is sleeved on the outside of the rotor. However, during this process, the rotor is not easy to fix, and during the contact between the stator and the rotor, the rotor is prone to deflection, which reduces the assembly precision. UTILITY MODEL CONTENTS

[0004] In order to improve the assembly precision of the stator and the rotor, the present application provides a kind of stator and rotor assembly equipment.

[0005] The stator and rotor assembly equipment provided by the present application adopts the following technical scheme:

[0006] A kind of stator and rotor assembly equipment, including rack, the rack is provided with conveying line body for conveying rotor, jacking mechanism for positioning rotor, tooling tray for placing stator, transplanting mechanism for moving stator;

[0007] The conveying line body is provided with a tray, and the rotor is placed on the tray. The jacking mechanism is located in the middle of the width direction of the conveying line body. The jacking mechanism is located below the tray. The jacking mechanism includes a fixed plate, a mounting plate, a jacking frame and a lower center. The fixed plate is fixedly installed on the top surface of the rack. The mounting plate is fixedly arranged above the fixed plate by a connecting rod. The jacking frame is arranged above the mounting plate in a lifting manner. The top end of the connecting rod penetrates through the jacking frame and is connected with the jacking frame in a sliding manner. The tip of the lower center is upward. The bottom surface of the lower center is flat. The lower center is arranged on the mounting plate in a lifting manner and is connected with the mounting plate in a sliding manner. The lower center rises to abut against the lower center hole of the rotor shaft.

[0008] The transplanting mechanism includes an upper frame, a horizontal moving assembly, a lifting assembly and an upper center. The upper frame is used to grab the stator on the tooling tray. The horizontal moving assembly moves the stator to the upper side of the rotor in cooperation with the lifting assembly. The upper center is arranged on the upper frame in a lifting manner. Before the stator is pressed down on the rotor, the upper center is lowered to abut against the upper center hole of the rotor shaft.

[0009] Preferably, the installation plate is provided with a jacking cylinder one and a jacking cylinder two, the output end of the jacking cylinder one extends out of the installation plate and is fixedly connected with the jacking frame, and the output end of the jacking cylinder two extends out of the installation plate and is fixedly connected with the plane of the lower center.

[0010] Preferably, the rack is provided with a slide rail for horizontal movement of the upper rack body, the slide rail is fixedly installed on the rack through a support frame, the support frame comprises a support rod and a support frame, the support rod is fixedly installed on the rack, the support frame is fixedly installed on the top end of the support rod, the slide rail is fixedly installed on the two sides of the top surface of the support frame in the width direction, and the upper rack body can slide between the tooling disc and the tray when moving along the slide rail;

[0011] The horizontal movement assembly comprises a sliding plate, a triangular plate, a sliding plate and a transplanting cylinder, the upper rack body is arranged on the sliding plate through the lifting assembly, the triangular plate is fixedly connected on the two sides of the sliding plate in the width direction, the sliding plate is fixedly connected on each triangular plate, the bottom surface of the sliding plate is provided with a sliding groove for the slide rail to pass through, and the transplanting cylinder is installed on the two sides of the top surface of the support frame in the width direction, and the output end of the transplanting cylinder is fixedly connected with the corresponding sliding plate.

[0012] Preferably, the lifting assembly comprises a lifting motor, a lead screw, a sliding table and a guide rail, the lifting motor is installed on the top of the sliding plate, the lead screw is rotatably connected with the sliding plate, the top end of the lead screw is rotatably connected with the output shaft of the lifting motor, the sliding table is arranged in the lifting direction of the sliding plate, the lead screw passes through the sliding table and is rotatably connected with the sliding table, the two sides of the sliding plate in the width direction are vertically provided with guide rails, the two ends of the sliding table in the length direction are provided with guide blocks, the guide blocks are provided with guide grooves for the guide rails to pass through, and the upper rack body is fixed with the sliding table.

[0013] Preferably, the lower rack body is arranged below the upper rack body, the upper rack body and the lower rack body are slidably connected through a guide rod, the lower rack body is provided with a limiting block, the lead screw passes through the limiting block and is slidably connected with the limiting block, the two ends of the limiting block in the length direction are provided with auxiliary blocks, and the auxiliary blocks are provided with auxiliary grooves for the guide rails to pass through.

[0014] The lower rack body is provided with a clamping assembly for clamping the stator, the clamping assembly comprises a clamping plate and a double-head cylinder, the clamping plate is provided with two clamping plates, and the two clamping plates are respectively corresponding to the two output ends of the double-head cylinder, the two clamping plates move towards each other or away from each other, the clamping plates move towards each other to abut against the outer circumferential wall of the stator, and the clamping plates move away from each other to be separated from the stator.

[0015] Preferably, the bottom surface of the lower frame body is connected with a centering disc through a fixing rod, the upper frame body is provided with a lifting cylinder one, the guide rod is fixedly connected to the top surface of the lower frame body, the output end of the lifting cylinder one extends downward beyond the upper frame body and is fixedly connected with the guide rod on the lower frame body, the bottom surface of the centering disc is provided with a limiting ring in a ring shape, the limiting ring is provided with a clearance for the cable part of the stator, when the limiting ring is clamped in the opening at the top of the stator, the outer peripheral wall of the limiting ring is attached to the inner peripheral wall of the opening at the top of the stator, and the lifting cylinder one drives the lower frame body to descend to the position where the limiting ring is clamped in the opening at the top of the stator.

[0016] Preferably, the tip of the upper center is downward, the top surface of the upper center is a plane, the plane of the upper center is fixedly connected with an auxiliary plate, the auxiliary plate is in the shape of a cross, so four protrusions of the auxiliary plate are respectively connected with a lifting rod, the top end of the lifting rod extends out of the lower frame body and is slidingly connected with the lower frame body, the top end of the lifting rod is fixedly connected with a lifting plate, the upper frame body is provided with a lifting cylinder two, and the output end of the lifting cylinder two extends downward beyond the upper frame body and is fixedly connected with the top surface of the lifting plate.

[0017] Preferably, the lower part of the tool disc is provided with a rotating disc, the rotating disc is provided with at least two tool discs, the rotating disc is rotatably arranged on the rack, the bottom surface of the rotating disc is provided with a gear ring, the outer periphery of the gear ring is engaged with a gear, the rack is provided with a rotating motor, the gear is coaxially connected to the output shaft of the rotating motor, and the rotating disc rotates to alternately move the two tool discs to the lower part of the clamping assembly.

[0018] To sum up, the present application has the following beneficial technical effects:

[0019] Through the cooperation of the upper center, the lower center and the limiting ring, the stator and the rotor cannot be deflected when assembled, and the precision of the stator and the rotor when assembled is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of a stator and rotor assembly device in an embodiment of the present application.

[0021] Figure 2 is a schematic diagram of the overall structure of a conveying line body and a transplanting mechanism for displaying the hidden rack and the electric control cabinet.

[0022] Figure 3 is a schematic diagram of the overall structure of a lifting mechanism for displaying the hidden rack and the electric control cabinet.

[0023] Figure 4 is a schematic diagram of the overall structure of a lifting mechanism for displaying the hidden rack and the electric control cabinet.

[0024] Figure 5This is a structural schematic diagram used to illustrate the lifting component in an embodiment of this application.

[0025] Figure 6 This is a schematic diagram illustrating the structure of the top tip in the embodiments of this application.

[0026] Figure 7 This is a schematic diagram illustrating the structure of the positioning disk and the limiting ring in the embodiments of this application.

[0027] Explanation of reference numerals in the attached drawings: 1. Frame; 11. Electrical control cabinet; 2. Conveyor line; 21. Pallet; 22. Slide rail; 23. Support frame; 231. Support rod; 232. Support frame; 3. Lifting mechanism; 31. Fixing plate; 32. Mounting plate; 33. Lifting frame; 34. Lower center; 35. Connecting rod; 36. Lifting cylinder one; 37. Lifting cylinder two; 4. Tooling tray; 41. Turntable; 42. Gear ring; 43. Gear; 44. Rotary motor; 5. Transplanting mechanism; 51. Upper frame; 511. Lifting cylinder one; 512. Lifting cylinder two; 52. Horizontal moving assembly; 521 522. Sliding plate; 523. Triangle plate; 524. Slide plate; 525. Transplanting cylinder; 53. Lifting assembly; 531. Lifting motor; 532. Lead screw; 533. Slide table; 534. Guide rail; 535. Guide block; 54. Upper center; 541. Auxiliary plate; 542. Lifting rod; 543. Lifting plate; 55. Lower frame; 551. Limit block; 552. Auxiliary block; 553. Centering plate; 5531. Limit ring; 5532. Clearance opening; 554. Fixing rod; 56. Guide rod; 7. Clamping assembly; 71. Clamping plate; 72. Double-headed cylinder; 8. Rotor; 9. Stator. Detailed Implementation

[0028] The following is in conjunction with the appendix Figures 1-7 This application will be described in further detail.

[0029] This application discloses a stator and rotor assembly device.

[0030] Reference Figure 1 The stator and rotor assembly equipment includes a frame 1 and an electrical control cabinet 11. The electrical control cabinet 11 is used to control and monitor the switching and operation of the relevant electrical equipment used in the embodiments of this application.

[0031] Reference Figure 2 The frame 1 is equipped with a conveyor line 2 for conveying the rotor 8, a lifting mechanism 3 for positioning the rotor 8, a tooling tray 4 for placing the stator 9, and a transplanting mechanism 5 for moving the stator 9.

[0032] The conveyor line 2 is provided with a tray 21, and the rotor 8 is placed on the tray 21. In this embodiment, the rotor 8 is a rotor 8 equipped with a rotating shaft. The conveyor line 2 moves the rotor 8 by moving the tray 21.

[0033] The conveying mode of the conveying line body 2 in the embodiment cooperates with the tray 21 to drive the tray 21 to move by rotating the rubber wheel on the conveying line body 2 to contact the bottom surface of the tray 21. The conveying structure is a conventional conveying structure in the prior art, and thus the detailed structure is not described herein.

[0034] Referring to Figure 3 , the jacking mechanism 3 is located at the middle of the width direction of the conveying line body 2, the jacking mechanism 3 is located below the tray 21, the jacking mechanism 3 includes a fixed plate 31, a mounting plate 32, a jacking frame 33, and a lower center 34, the fixed plate 31 is fixedly installed on the top surface of the rack 1, the mounting plate 32 is fixedly arranged above the fixed plate 31 through a connecting rod 35, the jacking frame 33 is arranged above the mounting plate 32 in a lifting manner, the top end of the connecting rod 35 penetrates through the jacking frame 33 and is in sliding connection with the jacking frame 33, the tip of the lower center 34 is upward, the bottom surface of the lower center 34 is flat, and the lower center 34 is arranged on the mounting plate 32 in a lifting manner and is in sliding connection with the mounting plate 32. The lower center 34 is raised to abut against the lower center hole of the rotating shaft of the rotor 8.

[0035] The mounting plate 32 is provided with a jacking cylinder one 36 and a jacking cylinder two 37, the output end of the jacking cylinder one 36 extends upward out of the mounting plate 32 and is fixedly connected with the jacking frame 33, and the output end of the jacking cylinder two 37 extends upward out of the mounting plate 32 and is fixedly connected with the flat surface of the lower center 34. The output end of the jacking cylinder one 36 extends out to control the jacking frame 33 to rise and support the tray 21. The output end of the jacking cylinder two 37 extends out to control the lower center 34 to rise.

[0036] The rotor 8 stops moving when it moves to the position directly above the jacking mechanism 3 and waits for the stator 9 to be pressed down.

[0037] Referring to Figures 4-7 , the transplanting mechanism 5 includes an upper rack body 51, a horizontal moving assembly 52, a lifting assembly 53, and an upper center 54, the upper rack body 51 is used to grab the stator 9 located on the tooling tray 4, the stator 9 in the embodiment is a stator and shell combination body assembled with a shell, the horizontal moving assembly 52 cooperates with the lifting assembly 53 to move the stator 9 to the position directly above the rotor 8, the upper center 54 is arranged on the upper rack body 51 in a lifting manner, the top surface of the rotating shaft of the rotor 8 is provided with an upper center hole, and the bottom surface of the rotating shaft of the rotor 8 is provided with a lower center hole. Before the stator 9 is pressed down onto the rotor 8, the upper center 54 is lowered to abut against the upper center hole of the rotating shaft of the rotor 8.

[0038] The rack 1 is provided with a slide rail 22 for horizontal movement of the upper rack body 51, the slide rail 22 is fixedly installed on the rack 1 through a support frame 23, the support frame 23 comprises a support rod 231 and a support frame 232, the support rod 231 is fixed on the rack 1, the support frame 232 is fixed on the top end of the support rod 231, the slide rail 22 is fixed on the top surface of the support frame 232 in the width direction, and the upper rack body 51 can slide between the tooling disc 4 and the tray 21 along the slide rail 22.

[0039] The horizontal movement assembly 52 comprises a sliding plate 521, a triangular plate 522, a sliding plate 523 and a transplanting cylinder 524, the upper rack body 51 is arranged on the sliding plate 521 through the lifting assembly 53, the triangular plate 522 is fixedly connected to the two sides in the width direction of the sliding plate 521, the sliding plate 523 is fixedly connected to each triangular plate 522, the bottom surface of the sliding plate 523 is provided with a sliding groove for the slide rail 22 to pass through, and the transplanting cylinder 524 is installed on the two sides in the width direction of the top surface of the support frame 232, and the output end of the transplanting cylinder 524 is fixedly connected with the corresponding sliding plate 523.

[0040] The lifting assembly 53 comprises a lifting motor 531, a lead screw 532, a sliding table 533 and a guide rail 534, the lifting motor 531 is installed on the top of the sliding plate 521, the lead screw 532 is rotationally connected with the sliding plate 521, the top end of the lead screw 532 is rotationally connected with the output shaft of the lifting motor 531, the sliding table 533 is arranged in a lifting mode along the sliding plate 521, the lead screw 532 passes through the sliding table 533 and is rotationally connected with the sliding table 533, the two sides in the width direction of the sliding plate 521 are vertically provided with the guide rail 534, the two ends in the length direction of the sliding table 533 are provided with guide blocks 535, the guide blocks 535 are provided with guide grooves for the guide rail 534 to pass through, and the upper rack body 51 is fixed with the sliding table 533.

[0041] The lower rack body 55 is arranged below the upper rack body 51, the upper rack body 51 and the lower rack body 55 are slidably connected through a guide rod 56, the lower rack body 55 is provided with a limiting block 551, the lead screw 532 passes through the limiting block 551 and is slidably connected with the limiting block 551, the limiting block 551 is provided with auxiliary blocks 552 at the two ends in the length direction, and the auxiliary blocks 552 are provided with auxiliary grooves for the guide rail 534 to pass through.

[0042] Referring to Figure 5 The lower rack body 55 is provided with a clamping assembly 7 for clamping the stator 9, the clamping assembly 7 comprises clamping plates 71 and double-head cylinders 72, the clamping plates 71 are provided in two pieces, and the two clamping plates 71 are respectively one-to-one corresponding with the two output ends of the double-head cylinders 72, the two clamping plates 71 move towards each other or away from each other, the clamping plates 71 move towards each other to abut against the outer circumferential wall of the stator 9, and the clamping plates 71 move away from each other to be separated from the stator 9.

[0043] The bottom surface of the lower frame body 55 is connected with a centering disc 553 through a fixing rod 554, the upper frame body 51 is provided with a lifting cylinder one 511, the guide rod 56 is fixedly connected to the top surface of the lower frame body 55, the output end of the lifting cylinder one 511 is fixedly connected to the guide rod 56 on the lower frame body 55 after extending downward out of the upper frame body 51, the bottom surface of the centering disc 553 is provided with a limiting ring 5531 in a ring shape, the limiting ring 5531 is provided with a clearance 5532 for the cable part of the stator 9, when the limiting ring 5531 is clamped in the opening at the top of the stator 9, the bottom of the limiting ring 5531 is provided with two sides in a radial direction in a round corner shape, the smoothness of the limiting ring 5531 penetrating into the opening at the top of the stator 9 is improved, the outer peripheral wall of the limiting ring 5531 is matched with the inner peripheral wall of the opening at the top of the stator 9, the lifting cylinder one 511 drives the lower frame body 55 to descend to the inside of the opening at the top of the stator 9, so that the deflection of the stator 9 is avoided.

[0044] The tip end of the upper centering pin 54 faces downward, the top surface of the upper centering pin 54 is in a plane shape, the plane of the upper centering pin 54 is fixedly connected with an auxiliary plate 541, the auxiliary plate 541 is in a cross shape, so four protrusions of the auxiliary plate 541 are respectively connected with a lifting rod 542, the top end of the lifting rod 542 extends out of the lower frame body 55 and is slidably connected with the lower frame body 55, the top end of the lifting rod 542 is fixedly connected with a lifting plate 543, the upper frame body 51 is provided with a lifting cylinder two 512, the output end of the lifting cylinder two 512 is fixedly connected with the top surface of the lifting plate 543 after extending downward out of the upper frame body 51.

[0045] Through the cooperation of the upper centering pin 54, the lower centering pin 34 and the limiting ring 5531, the deflection of the stator 9 and the rotor 8 during assembly is avoided, and the assembly precision of the stator 9 and the rotor 8 is improved.

[0046] The lower part of the tooling disc 4 is provided with a rotating disc 41, at least two tooling discs 4 are arranged on the rotating disc 41, the rotating disc 41 is rotatably arranged on the rack 1, the bottom surface of the rotating disc 41 is provided with a gear ring 42, the outer periphery of the gear ring 42 is engaged with a gear 43, a rotating motor 44 is arranged in the rack 1, the gear 43 is coaxially connected to the output shaft of the rotating motor 44, and the rotating disc 41 is rotated to alternately move the two tooling discs 4 to the lower part of the clamping assembly 7.

[0047] During the clamping process of the clamping assembly 7 on the last stator 9, the next stator 9 assembled with the shell can be placed on the other tooling disc 4, when the transplanting mechanism 5 moves the last stator 9 to the upper part of the tray 21, the rotating disc 41 is rotated to the next stator 9 below the clamping assembly 7 for the next time clamping, and the overall assembly efficiency is improved.

[0048] The implementation principle of the stator and rotor assembly equipment in the embodiment of the application is as follows:

[0049] First, the lifting motor 531 drives the upper frame 51 to descend, and the upper frame 51 drives the lower frame 55 to descend synchronously through the lifting cylinder 511, when the lower frame 55 descends to near the stator 9, the lifting cylinder 511 is started to make the centering disc 553 descend and be clamped into the opening of the stator 9, then the clamping plates 71 are driven to approach each other until the stator 9 is clamped, at the same time, the conveying line body 2 transports the rotor 8 to the jacking mechanism 3 through the tray 21;

[0050] Then the lifting motor 531 is reversed and drives the upper frame 51 to ascend, the upper frame 51 drives the lower frame 55 to ascend synchronously through the lifting cylinder 511, when the moving position is reached, the lifting motor 531 stops, the moving cylinder 524 is started and drives the sliding plate 521 to move towards the direction close to the rotor 8, the sliding plate 521 drives the upper frame 51 and the lower frame 55 to move synchronously, so that the stator 9 moves to the upper side of the rotor 8, then the lifting motor 531 is started to drive the upper frame 51 to descend, when the stator 9 moves to near the rotor 8, the lifting motor 531 stops, the lifting cylinder 512 is started and drives the upper centering pin 54 to descend, so that the upper centering pin 54 abuts against the upper center hole of the rotor 8, then the jacking cylinder 37 is started, so that the lower centering pin 34 abuts against the lower center hole of the rotor 8, so that the rotor 8 is centered, and the rotor 8 is prevented from being deflected during the assembling process, then the lifting cylinder 511 is started, the lifting cylinder 511 drives the stator 9 to descend and press into the rotor 8, so that the stator 9 and the rotor 8 are assembled;

[0051] After the assembling is completed, the double-head cylinder 72 drives the clamping plates 71 to loosen the stator 9, the output end of the lifting cylinder 511 is retracted, the lifting motor 531 drives the upper frame 51 and the lower frame 55 to ascend, the moving cylinder 524 moves to the initial position in the direction away from the jacking mechanism 3, and the action is ended.

[0052] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A stator and rotor assembly device, characterized in that: Includes a frame (1), on which a conveyor line (2) for conveying a rotor (8), a lifting mechanism (3) for positioning the rotor (8), a tooling plate (4) for placing a stator (9), and a transplanting mechanism (5) for moving the stator (9); The conveyor line (2) is provided with a tray (21), the rotor (8) is placed on the tray (21), the lifting mechanism (3) is located in the middle of the width direction of the conveyor line (2), the lifting mechanism (3) is located below the tray (21), the lifting mechanism (3) includes a fixing plate (31), a mounting plate (32), a lifting frame (33), and a lower center (34), the fixing plate (31) is fixedly installed on the top surface of the frame (1), and the mounting plate (32) is connected by a connecting rod (35). The lifting frame (33) is fixedly installed above the fixing plate (31), and the lifting frame (33) is raised and lowered above the mounting plate (32). The top end of the connecting rod (35) passes through the lifting frame (33) and is slidably connected to the lifting frame (33). The tip of the lower tip (34) faces upward, and the bottom surface of the lower tip (34) is flat. The lower tip (34) is raised and lowered on the mounting plate (32) and is slidably connected to the mounting plate (32). The lower tip (34) rises to abut against the lower center hole of the rotor (8) shaft. The transplanting mechanism (5) includes an upper frame (51), a horizontal moving component (52), a lifting component (53), and an upper center (54). The upper frame (51) is used to grab the stator (9) located on the tooling plate (4). The horizontal moving component (52) works with the lifting component (53) to move the stator (9) directly above the rotor (8). The upper center (54) is raised and lowered on the upper frame (51). Before the stator (9) is pressed down onto the rotor (8), the upper center (54) descends to abut the upper center hole of the rotor (8) shaft.

2. The stator and rotor assembly equipment according to claim 1, characterized in that: The mounting plate (32) is provided with a lifting cylinder one (36) and a lifting cylinder two (37). The output end of the lifting cylinder one (36) extends upward out of the mounting plate (32) and is fixedly connected to the lifting frame (33). The output end of the lifting cylinder two (37) extends upward out of the mounting plate (32) and is fixedly connected to the plane of the lower center point (34).

3. The stator and rotor assembly equipment according to claim 1, characterized in that: The frame (1) is provided with a slide rail (22) for the upper frame (51) to move horizontally. The slide rail (22) is fixedly installed on the frame (1) by a support frame (23). The support frame (23) includes a support rod (231) and a support frame (232). The support rod (231) is fixed on the frame (1), and the support frame (232) is fixed to the top of the support rod (231). The slide rail (22) is fixed on both sides of the top surface of the support frame (232) in the width direction. The upper frame (51) can slide between the tooling tray (4) and the pallet (21) by moving along the slide rail (22). The horizontal moving component (52) includes a sliding plate (521), a triangular plate (522), a sliding plate (523), and a transplanting cylinder (524). The upper frame (51) is raised and lowered on the sliding plate (521) by a lifting component (53). The triangular plate (522) is fixedly connected to both sides of the sliding plate (521) in the width direction. The sliding plate (523) is fixedly connected to each triangular plate (522). The bottom surface of the sliding plate (523) is provided with a groove for the slide rail (22) to pass through. The transplanting cylinder (524) is installed on both sides of the top surface of the support frame (232) in the width direction. The output end of the transplanting cylinder (524) is fixedly connected to the corresponding sliding plate (523).

4. The stator and rotor assembly equipment according to claim 3, characterized in that: The lifting assembly (53) includes a lifting motor (531), a lead screw (532), a slide (533), and a guide rail (534). The lifting motor (531) is installed on the top of the sliding plate (521). The lead screw (532) is rotatably connected to the slide (521). The top end of the lead screw (532) is rotatably connected to the output shaft of the lifting motor (531). The slide (533) is raised and lowered along the slide (521). The lead screw (532) passes through the slide (533) and is rotatably connected to the slide (533). Guide rails (534) are vertically arranged on both sides of the slide (521) in the width direction. Guide blocks (535) are arranged at both ends of the slide (533) in the length direction. Guide slots for the guide rails (534) to pass through are opened on the guide blocks (535). The upper frame (51) is fixed to the slide (533).

5. The stator and rotor assembly equipment according to claim 4, characterized in that: A lower frame (55) is provided below the upper frame (51). The upper frame (51) and the lower frame (55) are slidably connected by a guide rod (56). A limit block (551) is provided on the lower frame (55). The lead screw (532) passes through the limit block (551) and is slidably connected to the limit block (551). Auxiliary blocks (552) are provided at both ends of the limit block (551) in the length direction. An auxiliary groove for the guide rail (534) to pass through is provided on the auxiliary block (552). The lower frame (55) is provided with a clamping assembly (7) for clamping the stator (9). The clamping assembly (7) includes clamping plates (71) and a double-headed cylinder (72). Two clamping plates (71) are provided, and the two clamping plates (71) correspond one-to-one with the two output ends of the double-headed cylinder (72). The two clamping plates (71) move toward each other or away from each other. The clamping plates (71) move toward each other until they abut against the outer peripheral wall of the stator (9), and the clamping plates (71) move away from each other until they disengage from the stator (9).

6. The stator and rotor assembly equipment according to claim 5, characterized in that: The bottom surface of the lower frame (55) is connected to a centering plate (553) via a fixing rod (554). A lifting cylinder (511) is installed on the upper frame (51). A guide rod (56) is fixedly connected to the top surface of the lower frame (55). The output end of the lifting cylinder (511) extends downwards from the upper frame (51) and is fixedly connected to the guide rod (56) on the lower frame (55). The bottom surface of the centering plate (553) is provided with a ring-shaped... The limiting ring (5531) has a clearance opening (5532) for the cable portion of the stator (9) to make way. When the limiting ring (5531) is engaged in the opening at the top of the stator (9), the outer peripheral wall of the limiting ring (5531) is in contact with the inner peripheral wall of the opening at the top of the stator (9). The lifting cylinder (511) drives the lower frame (55) to descend into the opening at the top of the stator (9) where the limiting ring (5531) is engaged.

7. The stator and rotor assembly equipment according to claim 5, characterized in that: The tip of the upper tip (54) faces downwards, and the top surface of the upper tip (54) is flat. An auxiliary plate (541) is fixedly connected to the flat surface of the upper tip (54). The auxiliary plate (541) is in the shape of a cross. Therefore, a lifting rod (542) is connected to each of the four protrusions of the auxiliary plate (541). The top end of the lifting rod (542) extends out of the lower frame (55) and is slidably connected to the lower frame (55). A lifting plate (543) is fixedly connected to the top end of the lifting rod (542). A second lifting cylinder (512) is provided on the upper frame (51). The output end of the second lifting cylinder (512) extends downwards out of the upper frame (51) and is fixedly connected to the top surface of the lifting plate (543).

8. The stator and rotor assembly equipment according to claim 5, characterized in that: A turntable (41) is provided below the tooling plate (4), and at least two tooling plates (4) are provided on the turntable (41). The turntable (41) is rotatably mounted on the frame (1). A gear ring (42) is provided on the bottom surface of the turntable (41), and a gear (43) meshes with the outer circumference of the gear ring (42). A rotating motor (44) is provided inside the frame (1), and the gear (43) is coaxially connected to the output shaft of the rotating motor (44). The turntable (41) rotates until the two tooling plates (4) alternately move to the bottom of the clamping assembly (7).