A manufacturing and assembly device for a permanent magnet synchronous motor and a working method thereof

Abstract

The present invention discloses a manufacturing and assembling device for a permanent magnet synchronous motor and a working method thereof, comprising a base, a conveying mechanism, a transfer mechanism, a feeding mechanism, and an assembling mechanism, wherein the conveying mechanism comprises a conveyor belt, a detection plate is arranged above the conveyor belt, a first cylinder is arranged above the conveyor belt, a correction ring is arranged at the gas rod end of the first cylinder, a second cylinder is arranged above the first cylinder, a first support frame is arranged at the gas rod end of the second cylinder, a conveying cylinder is arranged on the inner side of the first support frame, the transfer mechanism comprises a slider, the inner sliding connection of the slider is connected to a sliding bottom, an adapter plate is arranged on the outer side of the sliding bottom, a grabbing cylinder is arranged below the adapter plate, the feeding mechanism comprises a central axis, a rotator is arranged above the central axis, and a finished product platform is arranged on the right side of the rotator. The present invention realizes the automatic assembly function conveniently and efficiently.

Description

Technical Field

[0001] The present invention is applied to the background of permanent magnet synchronous motors, and is named as a manufacturing and assembling device for permanent magnet synchronous motors and a working method thereof. Background Art

[0002] A permanent magnet synchronous motor (PMSM) primarily consists of a stator, rotor, and end caps. The stator is constructed from laminated laminations to reduce iron loss during motor operation and contains a three-phase AC winding, known as the armature. The rotor can be solid or pressed from laminated laminations, with permanent magnets mounted on top. Depending on the location of the permanent magnets on the rotor, PMSMs can be categorized as either protruding or embedded. Protruding rotors offer a simpler magnetic circuit and lower manufacturing costs, but since the starting winding cannot be mounted on their surface, asynchronous starting is not possible.

[0003] However, existing permanent magnet synchronous motors are mostly assembled manually, with only partial transportation replaced by machines, which leads to low assembly efficiency. In addition, the current manufacturing quality requirements are getting higher and higher. The inability to assemble motors quickly, efficiently and accurately while reducing human intervention has become a problem that needs to be solved.

[0004] Therefore, it is necessary to provide a manufacturing and assembly device for a permanent magnet synchronous motor and a working method thereof, which can achieve the effect of automatic assembly. Summary of the Invention

[0005] The object of the present invention is to provide a manufacturing and assembling device for a permanent magnet synchronous motor and a working method thereof, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a manufacturing and assembly device for a permanent magnet synchronous motor and a working method thereof, comprising a base, a conveying mechanism, a transfer mechanism, a feeding mechanism, and an assembly mechanism, wherein the conveying mechanism comprises a conveyor belt, a detection plate is provided above the conveyor belt, a first cylinder is provided above the conveyor belt, a correction ring is provided at the gas rod end of the first cylinder, a second cylinder is provided above the first cylinder, a first support frame is provided at the gas rod end of the second cylinder, and a conveying cylinder is provided on the inner side of the first support frame;

[0007] The transfer mechanism includes a slider, the interior of the slider is slidably connected to a sliding bottom, an adapter plate is provided on the outside of the sliding bottom, and a grabbing cylinder is provided below the adapter plate;

[0008] The feeding mechanism includes a central shaft, a rotator is provided above the central shaft, a finished product platform is provided on the right side of the rotator, a feeding platform is provided on the left side of the rotator, a pull rod is provided on the inner side of the feeding platform, and a clamping block is provided at the inner end of the pull rod;

[0009] The assembly mechanism includes a lifter and a third cylinder. An assembly platform is provided on the outside of the lifter. A screw machine is provided inside the assembly platform. A fixing head is provided above the third cylinder.

[0010] In one embodiment, the conveyor belt is arranged above the base, the internal sliding connection of the correction ring is provided with a rotating ring, the side of the rotating ring is provided with an arc-shaped bracket, the top of the arc-shaped bracket is welded with a first spring, the top of the first spring is welded with a contact head, the top of the contact head is provided with a detection piece, the interior of the conveying cylinder is provided with a track, the interior of the track is slidingly connected with a conveying block, the inner side of the conveying block is fixedly installed with a telescope, and the output end of the telescope is fixedly installed with a clamping plate.

[0011] In one embodiment, a second support frame is fixedly installed on the rear side of the base, the slider and the second support frame are fixedly connected to each other, a fourth cylinder is fixedly installed above the adapter plate, a connecting column is provided at the gas rod end of the fourth cylinder, the connecting column and the adapter plate are slidably connected to each other, the bottom of the connecting column and the top of the grabbing cylinder are fixedly connected to each other, a presser is provided at the bottom of the adapter plate, a pressing rod is slidably connected to the inside of the presser, and the bottom of the pressing rod is fixedly connected to the top of the grabbing cylinder;

[0012] The outer bearing of the grabbing cylinder is connected to the fifth cylinder, and the gas rod end of the fifth cylinder is provided with a push block. The interior of the grabbing cylinder is provided with a rotating plate, and the interior of the rotating plate is provided with a slide groove. The interior of the grabbing cylinder is slidably connected to a fixed plate, and the top of the fixed plate is provided with a bolt. The bolt and the slide groove are slidably connected to each other, and the push block and the rotating plate are rotatably connected to each other.

[0013] In one embodiment, a motor is fixedly installed above the base, the output end of the motor is interconnected with the center shaft, a detection ring is slidably connected to the feeding platform, the outer bearing of the detection ring is connected to the first connecting plate, the lower bearing of the first connecting plate is connected to the second connecting plate, an extension plate is provided on the outer side of the feeding platform, the other end of the second connecting plate is connected to the extension plate with a bearing, the outer end bearing of the first connecting plate is connected to a control block, the interior of the control block is interconnected with the pull rod, the outer side of the pull rod is wrapped with a second spring, and the interior of the clamping block clamps the motor core.

[0014] In one embodiment, a buffer rod is provided above the screw machine, a cutter head is provided on the top of the buffer rod, the bottom of the third cylinder and the base are fixedly connected to each other, a buffer is fixedly installed on the air rod end of the third cylinder, and the top of the buffer and the fixed head are fixedly connected to each other.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: in the present invention, the end cap is conveyed by a conveyor belt, corrected by a correction ring to ensure the quality of subsequent installation, then lifted and transported by multiple clamping devices, and fitted with the motor core through a linkage device to complete magnetic attraction, and finally screwed in with screws to complete the assembly. Except for loading, which requires worker intervention, the entire device is completed by mechanical devices, thereby improving efficiency and reducing errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings will make the technical solutions and other beneficial effects of the present application apparent.

[0017] In the attached figure:

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the transmission mechanism of the present invention;

[0020] Figure 3 It is a schematic diagram of the internal structure of the transmission mechanism of the present invention;

[0021] Figure 4 It is a front structural schematic diagram of the transfer mechanism of the present invention;

[0022] Figure 5 It is a schematic diagram of the internal structure of the transfer mechanism of the present invention;

[0023] Figure 6 It is a three-dimensional structural diagram of the feeding mechanism and assembly structure of the present invention;

[0024] Figure 7 It is an enlarged structural schematic diagram of the feeding mechanism of the present invention;

[0025] In the figure: 1. Base; 2. Conveyor belt; 3. First cylinder; 4. Correction ring; 5. Rotating ring; 6. Contact head; 7. Detection piece; 8. First spring; 9. Arc bracket; 10. Second cylinder; 11. First support frame; 12. Conveyor cylinder; 13. Track; 14. Slider; 15. Sliding bottom; 16. Adapter plate; 17. Fourth cylinder; 18. Connecting column; 19. Presser; 20. Grabbing cylinder; 21. Fifth cylinder; 22. Push block; 23. Rotating plate; 24. Slide; 25. Plug; 26. Fixed plate; 27. Motor; 28. Center axis ; 29. ​​Rotator; 30. Finished product platform; 31. Feeding platform; 32. Clamping block; 33. Motor core; 34. Detection ring; 35. First connecting plate; 36. Second connecting plate; 37. Extension plate; 38. Pull rod; 39. Second spring; 40. Third cylinder; 41. Buffer; 42. Fixed head; 43. Lifter; 44. Assembly platform; 45. Screw machine; 46. Buffer rod; 47. Cutter head; 48. Conveyor block; 49. Telescope; 50. Clamping plate; 51. Second support frame; 52. Press rod; 53. Control block; 54. Detection plate. DETAILED DESCRIPTION

[0026] The disclosure below provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0027] See also Figure 1-7 The present invention provides a technical solution: a manufacturing and assembly device for a permanent magnet synchronous motor and a working method thereof, comprising a base 1, a conveying mechanism, a transfer mechanism, a feeding mechanism, and an assembly mechanism. The conveying mechanism comprises a conveyor belt 2, a detection plate 54 is provided above the conveyor belt 2, a first cylinder 3 is provided above the conveyor belt 2, a correction ring 4 is provided at the end of the gas rod of the first cylinder 3, a second cylinder 10 is provided above the first cylinder 3, a first support frame 11 is provided at the end of the gas rod of the second cylinder 10, and a conveying cylinder 12 is provided on the inner side of the first support frame 11;

[0028] The transfer mechanism includes a slider 14, the interior of the slider 14 is slidably connected to a sliding base 15, an adapter plate 16 is provided on the outside of the sliding base 15, and a grabbing cylinder 20 is provided below the adapter plate 16;

[0029] The feeding mechanism includes a central shaft 28, a rotator 29 is provided above the central shaft 28, a finished product platform 30 is provided on the right side of the rotator 29, a feeding platform 31 is provided on the left side of the rotator 29, a pull rod 38 is provided on the inner side of the feeding platform 31, and a clamping block 32 is provided on the inner end of the pull rod 38;

[0030] The assembly mechanism includes a lifter 43 and a third cylinder 40. An assembly platform 44 is provided on the outside of the lifter 43. A screw machine 45 is provided inside the assembly platform 44. A fixing head 42 is provided above the third cylinder 40. The worker needs to place the end cap on the conveyor belt 2 and then start the conveyor belt 2. The conveyor belt 2 transports the end cap to the designated area. At this time, the detection plate 54 at the bottom of the end cap will detect the end cap to determine whether it is in the correct position and whether the angle needs to be adjusted. Then the first cylinder 3 starts to control the correction ring 4 to fix and correct it. Then the second cylinder 10 retracts, driving the conveyor cylinder 12 to descend, and then the end cap will be conveyed by the conveyor cylinder. 12 grabs and transports it upward, then the second cylinder 10 rebounds and sends the end cap to the next area. The grabbing cylinder 20 grabs the transported end cap and then transfers it to the installation area through the slider 14. After arriving at the designated area, the grabbing cylinder 20 descends and brings the end cap into contact with the motor core 33 on the feeding platform 31. Then they will be attracted to each other through the magnetic attraction of the grabbing cylinder 20. Then the assembly platform 44 rises and rotates, and the screw machine 45 is used to drive the screws into it. Then the finished product platform 30 rotates and catches the finished product and transports it to the back side. The entire device only requires human intervention in loading, and the rest are automatically aligned and assembled by the machine, cooperating with each other to complete the assembly efficiently.

[0031] The conveyor belt 2 is arranged above the base 1, and the internal sliding connection of the correcting ring 4 is connected to the rotating ring 5, and the side of the rotating ring 5 is provided with an arc-shaped bracket 9, the top of the arc-shaped bracket 9 is welded with a first spring 8, the top of the first spring 8 is welded with a contact head 6, and the top of the contact head 6 is provided with a detection piece 7. The interior of the conveying cylinder 12 is provided with a track 13, and the internal sliding connection of the track 13 is connected to the conveying block 48, and the inner side of the conveying block 48 is fixedly installed with a telescope 49, and the output end of the telescope 49 is fixedly installed with a clamping plate 50. After the end cover is transported to the designated area on the conveyor belt 2 and is inspected, the first cylinder 3 is started to control the correcting ring 4 to slide inward by extending the gas rod, and then the rotating ring 5 in the correcting ring 4 will fit the end cover, thereby ensuring that the end cover is located in the center position on the conveyor belt 2. At this time, the inspection The sheet 7 will fit with the arc-shaped bracket 9 of the rotating circle 5 on the other side, and the clamping force will be judged by the pressure of their contact to prevent the end cover from being damaged by being too loose and unable to be in the center position or being too tight and causing the end cover to be clamped and damaged. The rotating circle 5 will then rotate in the correcting circle 4 to adjust the angle of the end cover so that it can be positioned in the corresponding screw hole during the subsequent installation process. The conveying cylinder 12 will then descend and cover the bottom of the end cover. At this time, the correcting circle 4 releases the end cover, and the telescopic device 49 starts to extend the clamping plate 50 inward to fix and clamp the lower half of the outer ring of the end cover. The conveying block 48 then rises in the track 13 to transport the end cover to the top of the conveying cylinder 12. The second cylinder 10 then rebounds to lift the end cover and send it to the next area, achieving the effect of automatic correction and upward transportation to the next designated area.

[0032] A second support frame 51 is fixedly installed on the rear side of the base 1, the slider 14 and the second support frame 51 are fixedly connected to each other, a fourth air cylinder 17 is fixedly installed above the adapter plate 16, a connecting column 18 is provided at the gas rod end of the fourth air cylinder 17, the connecting column 18 and the adapter plate 16 are slidably connected to each other, the bottom of the connecting column 18 and the top of the grabbing cylinder 20 are fixedly connected to each other, a presser 19 is provided at the bottom of the adapter plate 16, a pressing rod 52 is slidably connected to the inside of the presser 19, and the bottom of the pressing rod 52 is fixedly connected to the top of the grabbing cylinder 20;

[0033] The outer bearing of the grabbing cylinder 20 is connected to the fifth cylinder 21, and the gas rod end of the fifth cylinder 21 is provided with a push block 22. The interior of the grabbing cylinder 20 is provided with a rotating plate 23, and the interior of the rotating plate 23 is provided with a slide groove 24. The interior of the grabbing cylinder 20 is slidably connected to the fixed plate 26, and the top of the fixed plate 26 is provided with a plug 25. The plug 25 and the slide groove 24 are slidably connected to each other, and the push block 22 and the rotating plate 23 are rotatably connected to each other. The sliding bottom 15 drives the adapter plate 16 to reach the top of the conveying cylinder 12, and then the fourth cylinder 17 starts to push the gas rod downward, and drives the grabbing cylinder 20 to drop through the connecting column 18. Then the grabbing cylinder 20 will wrap the upper half of the outer ring of the end cover, and then the fifth cylinder 21 starts to push the internal gas rod, and pushes the rotating plate 23 to rotate through the push block 22. At this time, when the rotating plate 23 rotates, the plug 25 that is slidably connected to its internal slide groove 24 will be driven by it to slide along the track of the slide groove 24. The fourth cylinder 17 then releases the downward force of the presser 19 and the internal gas rod rebounds, so that the end cap drives the motor core 33 away from the feeding platform 31, thereby achieving the effect of the plug 25 driving the fixing plate 26 to slide inward, thereby achieving the effect of multiple fixing plates 26 sliding inward, thereby clamping the upper half of the outer ring of the end cover, and then the conveying cylinder 12 releases the end cap to complete the transfer, and then the fourth cylinder 17 controls to drive the entire device to rise and slide to the right to the installation area, and then continues to descend to the specified position to stop the sliding of the gas rod, to ensure that the end cap and the motor core 33 are aligned, and then the presser 19 will press the grabbing cylinder 20 downward through the pressing rod 52, so that the end cap and the motor core 33 are aligned, and the grabbing cylinder 20 will make the end cap and the motor core 33 adsorbed by the magnetic attraction of the fixing plate 26, and then the presser 19 unloads the force, and the fourth cylinder 17 will rebound the internal gas rod after losing the downward thrust of the presser 19, so that the end cap drives the motor core 33 to leave the feeding platform 31, thereby achieving the effect of automatically grabbing the end cap and transferring it to the installation area and quickly and accurately installing its motor core 33;

[0034] A motor 27 is fixedly installed above the base 1, and the output end of the motor 27 is connected to the central shaft 28. A detection ring 34 is slidably connected to the feeding platform 31, and the outer bearing of the detection ring 34 is connected to the first connecting plate 35, and the lower bearing of the first connecting plate 35 is connected to the second connecting plate 36. An extension plate 37 is provided on the outer side of the feeding platform 31, and the other end of the second connecting plate 36 is connected to the extension plate 37 with a bearing. The outer end bearing of the first connecting plate 35 is connected to the control block 53, and the interior of the control block 53 is connected to the pull rod 38. The outer side of the pull rod 38 is wrapped with a second spring 39, and the interior of the clamping block 32 holds the motor core 33. The rotator 29 can rotate on the central shaft 28, thereby controlling the position of the feeding platform 31 and the finished product platform 30. The positions are interchanged. When the presser 19 is pressed downward to drive the grabbing cylinder 20 to move downward, the grabbing cylinder 20 will push the detection ring 34 downward. The detection ring 34 is squeezed and moves downward on the feeding platform 31. At this time, the first connecting plate 35 and the second connecting plate 36 will be squeezed and compressed, so that the control block 53 at the center end moves outward, thereby pulling the internal pull rod 38. The clamping block 32 is subjected to the elastic force of the second spring 39 and will clamp the internal motor core 33 inward. At this time, the pull rod 38 pulls the clamping block 32 outward, causing the second spring 39 to compress, thereby releasing the clamping of the motor core 33. After the motor core 33 is adsorbed, the grabbing cylinder 20 rebounds upward, and the clamping block 32 also rebounds to return to its original position, achieving the effect of automatic clamping and loosening, cooperating with each other to improve efficiency.

[0035] A buffer rod 46 is provided above the screw machine 45, and a cutter head 47 is provided on the top of the buffer rod 46. The bottom of the third cylinder 40 is fixedly connected to the base 1, and a buffer 41 is fixedly installed on the gas rod end of the third cylinder 40. The top of the buffer 41 is fixedly connected to the fixed head 42. When it is necessary to drive in a screw, the lifter 43 drives the assembly platform 44 to rise upward on the central axis 28, and then the motor 27 drives the entire central axis 28 to rotate 90°, and the assembly platform 44 reaches the designated area. Then the third cylinder 40 raises the gas rod and combines the fixed head 42 with the bottom of the assembly platform 44. Then the screw machine 45 is started, and the screw is screwed in through the cutter head 47, and the third cylinder 40 slowly moves upward to cooperate with each other. At the same time, the buffer rod 46 can protect the cutter head 47 to prevent damage caused by excessive displacement of the third cylinder 40.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or interconnected connections; they can refer to direct connections, internal connectivity between two components, or an interaction between two components. A person of ordinary skill in the art will be able to understand the meaning of the above terms in this application based on the specific circumstances.

[0037] The above is a detailed introduction to a manufacturing and assembly device for a permanent magnet synchronous motor and its working method provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application; ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A manufacturing and assembly device for a permanent magnet synchronous motor, comprising a base (1), a transmission mechanism, a transfer mechanism, a feeding mechanism, and an assembly mechanism, characterized in that: The conveying mechanism comprises a conveyor belt (2), a detection plate (54) is provided above the conveyor belt (2), a first cylinder (3) is provided above the conveyor belt (2), a correction ring (4) is provided at the air rod end of the first cylinder (3), a second cylinder (10) is provided above the first cylinder (3), a first support frame (11) is provided at the air rod end of the second cylinder (10), and a conveying cylinder (12) is provided on the inner side of the first support frame (11); The transfer mechanism includes a slider (14), the interior of the slider (14) is slidably connected to a sliding bottom (15), an adapter plate (16) is provided on the outside of the sliding bottom (15), and a grabbing cylinder (20) is provided below the adapter plate (16); The feeding mechanism includes a central shaft (28), a rotator (29) is provided above the central shaft (28), a finished product platform (30) is provided on the right side of the rotator (29), a feeding platform (31) is provided on the left side of the rotator (29), a pull rod (38) is provided on the inner side of the feeding platform (31), and a clamping block (32) is provided at the inner end of the pull rod (38); The assembly mechanism includes a lifter (43) and a third cylinder (40); an assembly platform (44) is provided on the outside of the lifter (43); a screw machine (45) is provided inside the assembly platform (44); and a fixing head (42) is provided above the third cylinder (40); A motor (27) is fixedly installed above the base (1), and the output end of the motor (27) is connected to the central shaft (28). A detection ring (34) is slidably connected to the feeding platform (31). The outer bearing of the detection ring (34) is connected to a first connecting plate (35), and the lower bearing of the first connecting plate (35) is connected to a second connecting plate (36). An extension plate (37) is provided on the outer side of the feeding platform (31), and the other end of the second connecting plate (36) is connected to the extension plate (37) by a bearing. The outer end bearing of the first connecting plate (35) is connected to a control block (53), and the interior of the control block (53) is connected to the pull rod (38). The outer side of the pull rod (38) is wrapped with a second spring (39), and the interior of the clamping block (32) clamps the motor core (33).

2. The manufacturing and assembling device for a permanent magnet synchronous motor according to claim 1, characterized in that: The conveyor belt (2) is arranged above the base (1); the inner portion of the correction ring (4) is slidably connected to the rotating ring (5); the side of the rotating ring (5) is provided with an arc bracket (9); the top end of the arc bracket (9) is welded with a first spring (8); the top end of the first spring (8) is welded with a contact head (6); the top end of the contact head (6) is provided with a detection piece (7); the inner portion of the conveying cylinder (12) is provided with a track (13); the inner portion of the track (13) is slidably connected to the conveying block (48); the inner side of the conveying block (48) is fixedly installed with a telescope (49); the output end of the telescope (49) is fixedly installed with a clamping plate (50).

3. The manufacturing and assembling device for a permanent magnet synchronous motor according to claim 1, characterized in that: A second support frame (51) is fixedly installed on the rear side of the base (1), the slider (14) and the second support frame (51) are fixedly connected to each other, a fourth cylinder (17) is fixedly installed above the adapter plate (16), a connecting column (18) is provided at the gas rod end of the fourth cylinder (17), the connecting column (18) and the adapter plate (16) are slidably connected to each other, the bottom of the connecting column (18) is fixedly connected to the top of the grabbing cylinder (20), a presser (19) is provided at the bottom of the adapter plate (16), a pressing rod (52) is slidably connected inside the presser (19), and the bottom of the pressing rod (52) is fixedly connected to the top of the grabbing cylinder (20); The outer bearing of the grabbing cylinder (20) is connected to the fifth cylinder (21), the air rod end of the fifth cylinder (21) is provided with a push block (22), the interior of the grabbing cylinder (20) is provided with a rotating plate (23), the interior of the rotating plate (23) is provided with a slide groove (24), the interior of the grabbing cylinder (20) is slidably connected to a fixed plate (26), the top of the fixed plate (26) is provided with a plug (25), the plug (25) and the slide groove (24) are slidably connected to each other, and the push block (22) and the rotating plate (23) are rotatably connected to each other.

4. The manufacturing and assembling device for a permanent magnet synchronous motor according to claim 1, characterized in that: A buffer rod (46) is provided above the screw machine (45), a cutter head (47) is provided on the top of the buffer rod (46), the bottom of the third cylinder (40) and the base (1) are fixedly connected to each other, a buffer (41) is fixedly installed on the air rod end of the third cylinder (40), and the top of the buffer (41) and the fixed head (42) are fixedly connected to each other.

5. The method for manufacturing and assembling a permanent magnet synchronous motor according to claim 1, comprising the following steps: S1. The worker places the end cap on the conveyor belt (2), corrects the deviation through the correction ring (4), and lifts it through the conveyor cylinder (12); S2. Grab the end cap by grabbing the cylinder (20) and transporting it by the slider (14); S3. The grabbing cylinder (20) falls close to the assembly platform (44), triggering the detection ring (34) to release the motor core (33) and combine with the end cap; S4. The lifter (43) cooperates with the motor (27) and the third cylinder (40) to send the screw machine (45) to the designated area for screw driving; S5. After the assembly is completed, it is sent to the finished product platform (30).

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