A motor rotor shaft assembly device

Abstract

This utility model discloses a motor rotor shaft assembly device, relating to the field of rotor processing technology, comprising: a support base with a press-fit hole for placing the rotor shaft; a material box with a discharge port at the bottom; a discharge assembly including a discharge plate with a discharge groove, the discharge plate having at least a first position and a second position, the discharge groove corresponding to the discharge port when the discharge assembly is in the first position; a pushing assembly including a pushing rod and a receiving cylinder, the pushing rod and the receiving cylinder being respectively disposed on opposite sides of the discharge assembly, the output end of a second driving component being connected to the pushing rod, the pushing rod extending and retracting into and out of the discharge groove when the discharge assembly is in the second position; and a rotor shaft clamping assembly including a gripper that clamps and transports the rotor shaft in the receiving cylinder to the press-fit hole. This application improves the discharge and loading speed of the rotor shaft and increases work efficiency through the cooperation of the discharge assembly, the pushing assembly, and the rotor shaft clamping assembly.

Description

Technical Field

[0001] This utility model relates to the field of rotor processing technology, and in particular to a motor rotor shaft assembly device. Background Technology

[0002] The motor structure includes a stator, rotor, and shaft. The stator windings, when energized, generate a rotating magnetic field; the rotor, influenced by this magnetic field, rotates accordingly, completing energy conversion. The shaft connects to the rotor at one end and to an external source at the other, responsible for transmitting torque and supporting the rotor. These three components work together to ensure the motor's normal operation. Currently, in the assembly process of the rotor and shaft, the shaft needs to be inserted into the workpiece first, then the rotor is fitted onto the shaft to complete the assembly, and finally transported to the pressing station for pressing. The shaft loading process is inefficient and labor-intensive if done manually. Using mechanical unloading can easily result in multiple shafts being unloaded simultaneously, potentially causing the loading fixture to transport multiple shafts onto the workpiece. Multiple shafts scattered on the workpiece can lead to the fixture getting stuck and causing mechanical failure. Therefore, this application proposes a motor rotor shaft assembly device to solve the problems existing in the current rotor shaft assembly process. Utility Model Content

[0003] To reduce the problem of unstable shaft discharge, this application provides a motor rotor shaft assembly device.

[0004] The motor rotor shaft assembly device provided in this application adopts the following technical solution:

[0005] A motor rotor shaft assembly device includes an assembly platform; a support base disposed on the assembly platform, the support base having press-fit holes for placing the rotor shaft; a material box disposed on the assembly platform, the material box having a discharge port at its bottom; a discharge assembly disposed on the material box and located at the discharge port, the discharge assembly including a discharge plate and a first driving member, the discharge plate having a discharge groove, the output end of the first driving member being connected to the discharge plate, the discharge plate having at least a first position and a second position, the discharge groove corresponding to the discharge port when the discharge assembly is located in the first position; and a pushing assembly disposed on the material box, the pushing assembly including a pushing rod, a receiving cylinder, and a second driving member. The push rod and the receiving cylinder are arranged opposite to each other, and are respectively arranged on opposite sides of the discharge plate. The output end of the second driving member is connected to the push rod. When the discharge assembly is in the second position, the second driving member drives the push rod to extend and retract into and out of the discharge groove. The rotating shaft clamping assembly is arranged on the assembly platform. The rotating shaft clamping assembly includes a gripper and a third driving member. The third driving member drives the gripper to clamp and transport the rotating shaft in the receiving cylinder into the pressing hole.

[0006] By adopting the above technical solution, the pressing holes of the bearing seat can provide a position for the rotating shaft to be assembled, facilitating subsequent assembly operations; the material box is used to store the rotating shaft; the first driving component controls the movement of the discharge plate, and when the discharge trough and discharge port are aligned, the rotating shaft falls from the material box into the discharge trough. When the discharge plate moves to the second position, the second driving component controls the extension and retraction of the push rod, pushing the rotating shaft in the discharge trough into the receiving cylinder, completing the discharge; the third driving component controls the gripper to clamp the rotating shaft in the receiving cylinder and move it into the pressing hole, ready for the next assembly step. The cooperation of each component makes the discharge and feeding process of the rotating shaft orderly and efficient, realizing the quantitative supply of the rotating shaft.

[0007] Optionally, the rotor shaft assembly device further includes a turntable, a rotor feeding mechanism, a pressing mechanism, and a discharging mechanism sequentially arranged on the outside of the turntable, the turntable and the pressing mechanism being arranged on the assembly platform; a rotor clamping assembly is provided between the rotor feeding mechanism and the discharging mechanism and the turntable, the rotor clamping assembly being arranged on the assembly platform; and the bearing seat is arranged on the turntable.

[0008] By adopting the above technical solution, the turntable configuration enables the cyclical rotation of the support base, allowing the rotor loading, shaft assembly, pressing, and unloading processes to be performed sequentially at different workstations, achieving streamlined operation and improving overall assembly efficiency. The rotor loading mechanism facilitates the transport of the rotor to the appropriate position, the rotor gripping assembly accurately grasps the rotor for workstation transfer, the pressing mechanism completes the assembly operation of the shaft and rotor, and the unloading mechanism conveniently transports the assembled product to the next process. The entire process is tightly coordinated, reducing manual intervention and improving the automation level and efficiency of production.

[0009] Optionally, the rotor feeding mechanism includes a conveyor belt and a first baffle, the first baffle being disposed on the conveyor belt and on the side close to the turntable.

[0010] By adopting the above technical solution, the conveyor belt can stably transport the rotor, providing continuous and stable power for the rotor loading. The setting of the first baffle can play a certain limiting role for the rotor, preventing the rotor from running off-center during the transport process, ensuring that the rotor can be accurately grabbed by the subsequent rotor clamping components, thereby improving the loading accuracy and ensuring the smoothness of the entire assembly process.

[0011] Optionally, the feeding mechanism includes a guide rail and a second baffle. The guide rail has a rolling groove and is inclined. The inclined side of the guide rail is located away from the turntable, and the second baffle is located on the inclined side of the guide rail.

[0012] By adopting the above technical solution, the assembled rotor is placed in the guide rail, and the rotating shaft serves as the support point for the rotor on the guide rail. The rotor rolls in the rolling groove to complete the transportation. The inclined guide rail utilizes gravity to facilitate the automatic sliding of the assembled product, realizing automated unloading and reducing manual handling. The design of the rolling groove allows the product to slide down more smoothly, reducing friction and minimizing damage to the product. The second baffle acts as a barrier, ensuring a stable and orderly unloading process and ensuring that the product is accurately transported to the designated position.

[0013] Optionally, the support includes a holding platform, a base, and a spring. The holding platform has the pressing hole. The base is connected to the bottom of the holding platform. The spring is sleeved on the base. The two ends of the spring abut against the bottom of the holding platform and the upper surface of the turntable, respectively. The turntable has a through hole, and part of the base passes through the through hole.

[0014] By adopting the above technical solution, the spring can act as a buffer during the pressing of the rotating shaft, reducing the impact force on the bearing seat and turntable during the pressing process, protecting the device, extending the service life of the device, making the pressing operation smoother, and improving the assembly quality of the rotor and rotating shaft.

[0015] Optionally, the assembly platform is provided with a limiting seat, which is located below the turntable and is correspondingly provided with the pressing mechanism.

[0016] By adopting the above technical solution, during the pressing process, the bearing seat is subjected to pressure from the pressing mechanism, causing it to move downwards. The lower end of the base contacts the upper end of the limiting seat, at which point the base stops moving downwards. The pressing mechanism applies pressure to the rotor and shaft, while the bearing seat applies reverse pressure to the rotor and shaft, thus pressing and assembling them. The limiting seat reduces the stroke of the bearing seat after being subjected to force, and the bidirectional pressure allows for better assembly of the rotor and shaft, improving the assembly quality.

[0017] Optionally, the rotor shaft assembly device further includes a detection mechanism, which is disposed between the rotor feeding mechanism and the pressing mechanism.

[0018] By adopting the above technical solution, the testing agency can inspect the rotor before the pressing process, including whether the rotor and shaft are properly assembled and whether the rotor's magnetism is normal. This allows for the timely detection and removal of substandard rotors, reducing subsequent invalid assembly, improving the overall assembly pass rate, and reducing resource waste.

[0019] Optionally, the turntable is provided with at least two carriers arranged in a circular array.

[0020] By adopting the above technical solution, multiple bearing seats arranged in a ring array can be used to simultaneously perform the processes of rotor loading, assembly, pressing, and unloading at different workstations corresponding to different bearing seats, realizing multi-station parallel operation, making full use of the cyclical flow advantage of the turntable, and further improving assembly efficiency.

[0021] In summary, this application includes at least one of the following beneficial effects:

[0022] 1. By coordinating the discharge assembly, the push assembly, and the shaft clamping assembly, the shaft in the material box is quickly placed into the pressing hole, improving the discharge and feeding speed of the shaft, and enhancing the accuracy of assembly and work efficiency.

[0023] 2. The turntable enables the cyclical rotation of the bearing seat, allowing the rotor loading, shaft assembly, pressing, and unloading processes to be carried out sequentially at different workstations, thus achieving streamlined operation and improving production efficiency.

[0024] 3. Multiple bearing seats arranged in a ring array allow the rotor loading, assembly, pressing, and unloading processes to be carried out simultaneously at the workstations corresponding to different bearing seats, realizing multi-station parallel operation and making full use of the rotating advantages of the turntable to further improve assembly efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the motor rotor shaft assembly device in the embodiments of this application.

[0026] Figure 2 This is a schematic diagram of the structure of the support base in the embodiments of this application.

[0027] Figure 3 This is a schematic diagram showing the cooperation of the material box, the discharge component, the pusher component, the rotating shaft clamping component, and the bearing seat in the embodiments of this application.

[0028] Figure 4 This is a schematic diagram showing the cooperation of the material box, the discharge component, and the pusher component in the embodiments of this application.

[0029] Figure 5 This is a schematic diagram of the rotor feeding mechanism in an embodiment of this application.

[0030] Figure 6 This is a schematic diagram of the feeding mechanism in the embodiments of this application.

[0031] Figure 7 This is a schematic diagram showing the cooperation of the support seat, the limiting seat, and the turntable in the embodiments of this application.

[0032] Figure 8 This is a schematic diagram of the pressing mechanism in the pressing station cooperating with the turntable in an embodiment of this application.

[0033] Figure 9 This is a schematic diagram of the structure of the detection mechanism and the turntable in the embodiment of this application.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Assembly platform;

[0036] 2. Support base; 21. Container platform; 22. Base; 23. Spring; 201. Press-fit hole;

[0037] 3. Material bin; 31. Push plate; 32. Screw; 301. Discharge port;

[0038] 4. Discharge assembly; 41. Discharge plate; 42. First drive component; 401. Discharge chute;

[0039] 5. Pushing assembly; 51. Pushing rod; 52. Receiving cylinder; 53. Second drive component;

[0040] 6. Rotary shaft clamping assembly; 61. Gripper; 62. Third drive component;

[0041] 7. Turntable; 701. Through hole;

[0042] 8. Rotor feeding mechanism; 81. Conveyor belt; 82. First baffle;

[0043] 9. Pressing mechanism;

[0044] 10. Feeding mechanism; 101. Guide rail; 102. Second baffle; 10101. Rolling groove;

[0045] 11. Rotor clamping assembly;

[0046] 12. Limiting seat;

[0047] 13. Testing institutions. Detailed Implementation

[0048] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0049] This application discloses a motor rotor shaft assembly device. (Refer to...) Figure 1 and 2 The rotor shaft assembly device includes an assembly platform 1, on which a material box 3, a shaft clamping assembly 6, and a turntable 7 are mounted. The material box 3 stores rotor shafts. The shaft clamping assembly 6 is located at the output end of the material box 3. A support seat 2 is mounted on the top of the turntable 7. The support seat 2 has vertically formed pressing holes 201 for placing the rotor shafts. The shaft clamping assembly 6 clamps the rotor shafts from the material box 3 and transfers them into the pressing holes 201 of the support seat 2. The turntable 7 has a rotating function, providing support for the rotor shafts and enabling continuous feeding.

[0050] In this application, the assembly platform 1 is equipped with a rotor loading mechanism 8, a pressing mechanism 9, and a unloading mechanism 10. The material box 3, rotor loading mechanism 8, pressing mechanism 9, and unloading mechanism 10 are arranged sequentially around the turntable 7, with the unloading mechanism 10 located at the output end of the turntable 7. Simultaneously, the assembly platform 1 is equipped with at least two sets of rotor clamping assemblies 11. One set of rotor clamping assemblies 11 is located between the rotor loading mechanism 8 and the turntable 7, and the other set is located between the turntable 7 and the unloading mechanism 10. When the bearing seat 2 with the rotating shaft rotates to the output end of the rotor loading mechanism 8 via the turntable 7, the rotor clamping assembly 11 near the rotor loading mechanism 8 clamps the rotor at the output end of the rotor loading mechanism 8 and transfers the rotor onto the bearing seat 2. At this time, the rotor is fitted onto the rotating shaft. The turntable 7 continues to rotate, and after the bearing seat 2 equipped with the rotor and rotating shaft is aligned with the pressing mechanism 9, the assembled rotor and rotating shaft are pressed together by the pressing mechanism 9. After pressing is completed, the turntable 7 continues to rotate until the support seat 2 reaches the input end of the unloading mechanism 10. The rotor clamping assembly 11 near the unloading mechanism 10 transports the pressed rotor from the support seat 2 to the unloading mechanism 10, and the rotor is then transported to the subsequent process by the unloading mechanism 10. In this application, the support seat 2 is set on the turntable 7 and rotates with the turntable 7, so that the support seat 2 can circulate sequentially in the processes of shaft loading, rotor loading, pressing, and unloading, realizing streamlined operation and improving the overall assembly efficiency.

[0051] Reference Figure 3 and 4The bottom of the material box 3 is provided with a discharge port 301, which is a rectangular opening. The material box 3 is provided with a discharge assembly 4 and a push assembly 5. The discharge assembly 4 includes a discharge plate 41 and a first drive member 42. The output end of the first drive member 42 is connected to the discharge plate 41. The first drive member 42 can control the discharge plate 41 to reciprocate between a first position and a second position. When the discharge plate 41 is in the first position, the first drive member 42 is in a standby state. When the discharge plate 41 is in the second position, the first drive member 42 is in the working state of maximum stroke. A discharge plate 41 is positioned at the discharge port 301, with its upper surface closing the discharge port 301. A discharge groove 401 is formed on the upper surface of the discharge plate 41, with a width not less than the axial width of the bearing. The discharge groove 401 is recessed into the surface of the discharge plate 41. When the discharge plate 41 is in the first position, it moves until the discharge groove 401 is flush with the discharge port 301. A rotating shaft in the material box 3 falls from the discharge port 301 into the discharge groove 401. The discharge plate 41 carries the rotating shaft, pushing it out of the bottom of the material box 3. The pushing assembly 5 includes a pushing rod 51, a receiving cylinder 52, and a second driving member 53. The pushing rod 51 and the receiving cylinder 52 are arranged opposite each other, on opposite sides of the discharge plate 41. The second driving member 53 drives the pushing rod 51 to extend and retract. When the discharge plate 41 is in the second position, it moves until the discharge trough 401 is flush with the push rod 51. The second drive member 53 drives the push rod 51 to extend into the discharge trough 401, and the push rod 51 pushes the shaft out of the discharge trough 401 into the receiving cylinder 52 at the other end, completing the discharge. The shaft clamping assembly 6 includes a gripper 61 and a third drive member 62. The third drive member 62 drives the gripper 61 to clamp the shaft in the receiving cylinder 52 and transport it into the pressing hole 201. The cooperation between the material box 3, the discharge assembly 4, the push assembly 5, and the shaft clamping assembly 6 makes the discharge and loading of the shaft fast and orderly, improving the assembly efficiency.

[0052] Preferably, the receiving cylinder 52 is connected to a motor, and the receiving cylinder 52 can rotate. The opening of the receiving cylinder 52 rotates from a horizontal state to an upward opening state, which facilitates the rotating shaft clamping assembly 6 to clamp the rotating shaft.

[0053] Preferably, the first drive component 42, the second drive component 53, and the third drive component 62 are all cylinder assemblies.

[0054] Preferably, such as Figure 5As shown, the material bin 3 is equipped with a push plate 31, which is located near the push rod 51. A screw 32 is mounted on the material bin 3, penetrating the side wall of the material bin 3 and threadedly connected to it. The screw 32 is located near the push rod 51 and is rotatably connected to the push plate 31. Adjusting the screw 32 changes the distance between the push plate 31 and the inner wall of the material bin 3, thereby pressing the rotating shaft inside the material bin 3 against the inner wall of the material bin 3 near the receiving cylinder 52. The two ends of the axial length of the rotating shaft abut against the push plate 31 and the inner wall of the material bin 3, respectively. By changing the position of the push plate 31, the space for storing the rotating shaft in the material bin 3 can be changed, allowing the rotating shaft to be arranged orderly within the material bin 3, ensuring smooth discharge of the rotating shaft. Changing the position of the push plate 31 can accommodate rotating shafts of different lengths, improving the versatility of the material bin 3. The push plate 31 presses the rotating shaft against the inner wall of the material box 3 near the receiving cylinder 52. After the rotating shaft falls into the discharge trough 401, the distance between the rotating shaft and the receiving cylinder 52 is short, which can reduce the movement distance of the rotating shaft in the discharge trough 401 and reduce the situation where the rotating shaft is pushed out of the discharge trough 401 by the push rod 51.

[0055] Reference Figure 1 and 6 The rotor loading mechanism 8 includes a conveyor belt 81 and a first baffle 82. The first baffle 82 is disposed on the conveyor belt 81 and is located on the side near the turntable 7. The conveyor belt 81 transports the rotor toward the turntable 7. When the rotor reaches the end of the conveyor belt 81 near the turntable 7, the first baffle 82 stops the rotor, waiting for the rotor gripping assembly 11 to grip and transport the rotor to the carrier 2. The first baffle 82 can limit the rotor, ensuring that the rotor can be accurately gripped by the subsequent rotor gripping assembly 11, ensuring the smoothness of the entire assembly process.

[0056] Reference Figure 1 and 7 The unloading mechanism 10 includes a guide rail 101 and a second baffle 102. The guide rail 101 has a rolling groove 10101. One end of the guide rail 101 is inclined downwards, and the downward-inclined side of the guide rail 101 is located away from the turntable 7. The second baffle 102 is located at the end of the downward-inclined side of the guide rail 101. The rotor clamping assembly 11 clamps and transports the rotor, which has been press-fitted onto the support seat 2, onto the guide rail 101. The rotor body is in the rolling groove 10101, and the rotor's shaft serves as a support point on the guide rail 101. The rotor can slide down the guide rail 101 using its own weight. At the end of the guide rail 101, the rotor is stopped by the second baffle 102, awaiting the next process. The guide rail 101 with the rolling groove 10101 cooperates with the press-fitted rotor, allowing the rotor to be transported and unloaded smoothly, and reducing contact friction between the rotor and other tooling components, thus reducing damage to the product.

[0057] Reference Figure 2 and 8The support base 2 includes a holding platform 21, a base 22, and a spring 23. The upper end of the base 22 is connected to the bottom of the holding platform 21. A pressing hole 201 is provided on the holding platform 21. The spring 23 is sleeved on the base 22, and both ends of the spring 23 abut against the upper surface of the turntable 7 and the bottom of the holding platform 21, respectively. The turntable 7 has a through hole 701, through which the base 22 passes. The spring 23 acts as a buffer, reducing the impact force of the pressing mechanism 9 on the support base 2 and the turntable 7. A limiting seat 12 is provided on the assembly platform 1. The limiting seat 12 is located below the turntable 7 and corresponds to the pressing mechanism 9. When the pressing mechanism 9 performs pressing, the bearing seat 2 is subjected to downward pressure by the pressing mechanism 9, and the bearing seat 2 moves downward. The lower end of the base 22 contacts the upper end of the limiting seat 12. The pressing mechanism 9 continues to apply pressure to the rotor and shaft on the bearing seat 2, while the limiting seat 12 applies reverse pressure to the bearing seat 2. The setting of the limiting seat 12 reduces the stroke of the bearing seat 2 after being subjected to force during the pressing process, reduces the pressing error caused by the movement of the bearing seat 2, and improves the assembly quality of the rotor and shaft.

[0058] Reference Figure 9 The rotor shaft assembly device also includes a detection mechanism 13, which is located between the rotor feeding mechanism 8 and the pressing mechanism 9. Preferably, the detection mechanism 13 includes a sensor and a magnetic sensor. The sensor is used to detect whether the rotor and shaft on the support 2 are properly assembled, and the magnetic sensor is used to detect whether the magnetism of the rotor is normal. The detection mechanism 13 can detect defective rotors before pressing, reducing subsequent invalid assembly, reducing resource waste, and improving the assembly pass rate.

[0059] Reference Figure 1 At least two bearing seats 2 arranged in a circular array are provided on the turntable 7. Preferably, four bearing seats 2 are provided. The four bearing seats 2 can be located at the rotating shaft loading station of the material box 3, the rotor loading station of the rotor loading mechanism 8, the pressing station of the pressing mechanism 9, and the unloading station of the unloading mechanism 10, respectively. Different bearing seats 2 operate in parallel and circulate in their corresponding stations, further improving assembly efficiency.

[0060] The above are all preferred embodiments of this application. These embodiments are merely explanations of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A motor rotor shaft assembly device, characterized in that, The rotor shaft assembly device includes: Assembly platform (1); The support seat (2) is disposed on the assembly platform (1) and the support seat (2) is provided with a press-fit hole (201) for placing the rotating shaft. Material box (3), the material box (3) is set on the assembly platform (1), and the bottom of the material box (3) is provided with a discharge port (301); The discharge assembly (4) is disposed on the material box (3) and located at the discharge port (301). The discharge assembly (4) includes a discharge plate (41) and a first driving member (42). A discharge groove (401) is provided on the discharge plate (41). The output end of the first driving member (42) is connected to the discharge plate (41). The discharge plate (41) has at least a first position and a second position. When the discharge assembly (4) is located in the first position, the discharge groove (401) corresponds to the discharge port (301). The material pushing assembly (5) is disposed on the material box (3). The material pushing assembly (5) includes a material pushing rod (51), a material receiving cylinder (52), and a second driving member (53). The material pushing rod (51) and the material receiving cylinder (52) are disposed opposite to each other. The material pushing rod (51) and the material receiving cylinder (52) are respectively disposed on opposite sides of the discharge plate (41). The output end of the second driving member (53) is connected to the material pushing rod (51). When the discharge assembly (4) is in the second position, the second driving member (53) drives the material pushing rod (51) to extend and retract into and out of the discharge trough (401). A rotating shaft clamping assembly (6) is disposed on the assembly platform (1). The rotating shaft clamping assembly (6) includes a gripper (61) and a third drive member (62). The third drive member (62) drives the gripper (61) to clamp and transport the rotating shaft in the receiving cylinder (52) into the pressing hole (201).

2. The motor rotor shaft assembly device according to claim 1, characterized in that: The rotor shaft assembly device also includes a turntable (7), a rotor loading mechanism (8), a pressing mechanism (9) and a unloading mechanism (10) arranged sequentially on the outside of the turntable (7), and the turntable (7) and the pressing mechanism (9) are arranged on the assembly platform (1); The rotor loading mechanism (8) and the unloading mechanism (10) are each provided with a rotor clamping assembly (11) between them and the turntable (7). The rotor clamping assembly (11) is disposed on the assembly platform (1). The support seat (2) is mounted on the turntable (7).

3. The motor rotor shaft assembly device according to claim 2, characterized in that: The rotor feeding mechanism (8) includes a conveyor belt (81) and a first baffle (82), the first baffle (82) being disposed on the conveyor belt (81) and on one side close to the turntable (7).

4. The motor rotor shaft assembly device according to claim 2, characterized in that: The feeding mechanism (10) includes a guide rail (101) and a second baffle (102). The guide rail (101) has a rolling groove (10101). The guide rail (101) is inclined and the guide rail (101) is inclined downward away from the turntable (7). The second baffle (102) is located on the inclined downward side of the guide rail (101).

5. The motor rotor shaft assembly device according to claim 2, characterized in that: The support base (2) includes a holding platform (21), a base (22) and a spring (23). The holding platform (21) has a pressing hole (201). The base (22) is connected to the bottom of the holding platform (21). The spring (23) is sleeved on the base (22). The two ends of the spring (23) abut against the bottom of the holding platform (21) and the upper surface of the turntable (7) respectively. The turntable (7) has a through hole (701). The base (22) is partially disposed through the through hole (701).

6. The motor rotor shaft assembly device according to claim 5, characterized in that: The assembly platform (1) is provided with a limiting seat (12), which is located below the turntable (7). The limiting seat (12) is correspondingly provided with the pressing mechanism (9).

7. The motor rotor shaft assembly device according to claim 2, characterized in that: The rotor shaft assembly device also includes a detection mechanism (13), which is located between the rotor feeding mechanism (8) and the pressing mechanism (9).

8. The motor rotor shaft assembly device according to claim 2, characterized in that: At least two carrier seats (2) arranged in a ring array are provided on the turntable (7).

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