A permanent magnet and rotor assembly device

Abstract

The present application relates to the field of magnetic steel assembly, in particular to a permanent magnet and rotor assembly device, which includes a processing table, a mounting table and a push rod, the upper end of the processing table is provided with a feeding trough, the bottom of the feeding trough is provided with a pushing port, the pushing port vertically penetrates the processing table, the mounting table is fixedly connected to the upper end of the processing table, the upper end of the mounting table is used to place the rotor, the mounting table is provided with a mounting port, the mounting port vertically penetrates the mounting table, the mounting port is used to allow a permanent magnet to pass through, and the push rod is slidably connected to the inner wall of the pushing port and the inner wall of the mounting port. The permanent magnet moves to the pushing port, the push rod slides upward to push the permanent magnet through the mounting port and then snaps into the rotor, so as to realize the assembly of the permanent magnet and the rotor, and multiple permanent magnets are lined up in the feeding trough for loading, which reduces the time of taking the permanent magnet during assembly, and at the same time reduces the probability of assembly errors, thereby improving assembly efficiency.

Description

Technical Field

[0001] The present application relates to the field of permanent magnet assembly, and in particular to a permanent magnet and rotor assembly device. Background Art

[0002] Motors are an indispensable power source in modern industry and daily life. Permanent magnet motors are an important branch of motors. With the improvement of environmental awareness, green energy saving has become an important development direction of the motor industry. Permanent magnet motors have broad application prospects in the field of energy conservation and environmental protection due to their high efficiency and low energy consumption.

[0003] Permanent magnet motors usually require permanent magnets (i.e. magnetic steel) to be embedded or attached to the rotor. The magnetic steel is used to generate a magnetic field, which interacts with the coils on the motor rotor to achieve the conversion of electrical energy into mechanical energy.

[0004] The current permanent magnet motor industry faces the problems of low efficiency and poor consistency in manual assembly, especially in the assembly of permanent magnets and rotors. The traditional manual assembly method is not only time-consuming but also prone to assembly deviations, which seriously affects the overall performance and reliability of the permanent magnet motor. Summary of the invention

[0005] In order to improve assembly efficiency, the present application provides a permanent magnet and rotor assembly device.

[0006] The permanent magnet and rotor assembly equipment provided in this application adopts the following technical solution:

[0007] A permanent magnet and rotor assembly device comprises a processing table, a mounting table and a push rod, wherein the upper end of the processing table is provided with a feeding trough, the bottom of the feeding trough is provided with a pushing port, the pushing port vertically penetrates the processing table, the mounting table is fixedly connected to the upper end of the processing table, the upper end of the mounting table is used to place the rotor, the mounting table is provided with a mounting port, the mounting port vertically penetrates the mounting table, the mounting port is used to allow a permanent magnet to pass through, and the push rod is slidably connected to the inner wall of the pushing port and the inner wall of the mounting port.

[0008] By adopting the above technical solution, the permanent magnet is moved to the pushing port, and the pushing rod slides upward to push the permanent magnet through the installation port and then snaps into the rotor, thereby realizing the assembly of the permanent magnet and the rotor. Multiple permanent magnets are queued in the loading trough for loading, which reduces the time for taking the permanent magnets during assembly, and at the same time reduces the probability of assembly errors, thereby improving assembly efficiency.

[0009] Preferably, it also includes a connecting plate, the mounting platform is provided with a through opening, the mounting opening is arranged on the outer periphery of the through opening, there are multiple mounting openings, the multiple mounting openings are evenly spaced around the axis of the through opening, there are multiple feeding troughs, the number of the feeding troughs is equal to the number of the through openings, the multiple feeding troughs are evenly spaced around the axis of the through opening, there are multiple pushing rods, the pushing rods are arranged one-to-one with the feeding troughs, and the connecting plate is fixedly connected to the lower ends of the multiple pushing rods.

[0010] By adopting the above technical solution, the rotor is placed on the mounting table, and the connecting plate slides upward to drive multiple push rods to slide upward, pushing multiple permanent magnets into the rotor at the same time, completing the transfer at one time, reducing the time for workers to rotate the rotor to install the permanent magnets, and improving assembly efficiency.

[0011] Preferably, it further comprises a positioning column, wherein the positioning column is connected to the upper end of the mounting platform, and the positioning column is used to be embedded in a groove provided in the rotor, and a plurality of the positioning columns are provided.

[0012] By adopting the above technical solution, multiple positioning columns facilitate positioning of the rotor, so that the holes and installation openings for installing the permanent magnets in the rotor are arranged one by one, which is convenient for positioning, accurate positioning, convenient for installing the permanent magnets, and improved assembly efficiency.

[0013] Preferably, it also includes a first spring, and a positioning groove is provided at the upper end of the mounting platform, and the positioning groove is provided between the mounting port and the through port, one end of the first spring is connected to the bottom of the positioning groove, and the other end of the first spring is connected to the positioning column, and the positioning column is slidably connected to the groove wall of the positioning groove, and there are multiple positioning grooves, and the positioning columns and the positioning grooves are arranged one by one.

[0014] By adopting the above technical solution, it is convenient to place the rotor on the mounting table and to move and adjust the position of the rotor. When the first spring recovers its deformation, the positioning column is embedded in the groove provided in the rotor and makes a sound, reminding the operator that the rotor installation is completed, thereby improving the rotor positioning efficiency and thus improving the assembly efficiency.

[0015] Preferably, it also includes a magnetic pole, which is fixedly connected to the bottom of the feeding trough, and the magnetic pole is arranged on the side of the pushing port close to the axis of the through-port, and the end of the magnetic pole facing away from the axis of the through-port is coplanar with the inner wall of the installation port facing away from the axis of the through-port, and the magnetic pole is used to attract the permanent magnet.

[0016] By adopting the above technical solution, when a rotor is assembled, the push rod slides downward to reset, and the magnetic pole attracts the permanent magnet to approach, so that the permanent magnet slides to the top of the push port. After the new rotor is positioned and installed, the push rod moves upward to push the permanent magnet into the rotor to complete the assembly. There is no need to manually move the material for replenishment, thereby improving the assembly efficiency.

[0017] Preferably, the height of the bottom of the upper trough increases as it moves away from the pushing port.

[0018] By adopting the above technical solution, the permanent magnet can be brought close to the material pushing port, thereby improving the material replenishment efficiency of the permanent magnet and thus improving the assembly efficiency.

[0019] Preferably, the width of the feeding chute increases as it moves away from the pushing port.

[0020] By adopting the above technical solution, it is convenient to place the permanent magnet into the loading chute. The permanent magnet will continuously adjust its position when approaching the pushing port, which reduces the time spent on placing the permanent magnet into the loading chute as a whole and improves assembly efficiency.

[0021] Preferably, it also includes a limit plate, and the outer wall of the mounting platform away from the axis of the through-hole is provided with a limit groove, the limit groove extends downward through the mounting platform, the limit plate is fixedly embedded in the limit groove, the distance from the bottom of the limit groove to the mounting opening is less than the thickness of a permanent magnet, and the end of the limit plate away from the through-hole is parallel to the width direction of the loading chute.

[0022] By adopting the above technical solution, the limit plate blocks the permanent magnet that is too high, which makes it easy for the user to find and adjust the position of the permanent magnet and facilitates the stable operation of the equipment.

[0023] Preferably, it also includes a second spring, a prompt block, a warning block, a sliding block and a third spring, the lower end of the limit plate is provided with a prompt groove, the distance from the prompt groove to the installation port is less than the thickness of a permanent magnet, one end of the second spring is fixedly connected to the groove bottom of the prompt groove, the other end of the second spring is fixedly connected to the prompt block, the prompt block is slidably connected to the groove wall of the prompt groove, the lower end of the prompt block is set to a spherical surface, the end of the limit plate away from the installation port is provided with a warning groove, the warning groove is connected to the prompt groove, the warning block is slidably connected to the groove wall of the warning groove, the end of the prompt block facing the warning block is provided with a groove, the groove is used for the warning block to be embedded, the end of the warning block facing the groove is provided with a rounded corner, the groove wall of the warning groove is provided with a sliding groove, the sliding block is slidably connected to the groove wall of the sliding groove, the sliding block is fixedly connected to the warning block, one end of the third spring is fixedly connected to the groove wall of the sliding groove, and the other end of the third spring is fixedly connected to the sliding block.

[0024] By adopting the above technical solution, when there is a permanent magnet in the feeding chute, the permanent magnet abuts the prompt block, and the prompt block slides so that the warning block is embedded in the groove. When there is a permanent magnet left in the feeding chute, the spring pushes the permanent magnet to slide downward, and the warning block moves away from the groove. The warning block extends out of the warning slot to remind the operator to add material, which is convenient for users to use.

[0025] Preferably, it also includes a column, a top plate, a driving cylinder and a pressure block, the lower end of the column is fixedly connected to the processing table, the upper end of the column is fixedly connected to the top plate, the cylinder body of the driving cylinder is fixedly connected to the top plate, the piston rod of the driving cylinder is fixedly connected to the pressure block, and the pressure block is used to fix the rotor on the mounting table.

[0026] By adopting the above technical solution, the pressing block presses and fixes the rotor, and the rotor is not easily displaced due to being lifted up during the operation of the push rod, thereby improving the assembly efficiency.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] The permanent magnet moves to the push port, and the push rod slides upward to push the permanent magnet through the installation port and then snaps into the rotor, thus realizing the assembly of the permanent magnet and the rotor. Multiple permanent magnets are lined up in the loading trough for loading, which reduces the time for taking the permanent magnets during assembly, reduces the probability of assembly errors, and improves assembly efficiency.

[0029] When a rotor is assembled, the push rod slides downward to reset, and the magnetic pole attracts the permanent magnet to move closer, so that the permanent magnet slides to the top of the push port. After the new rotor is positioned and installed, the push rod moves upward to push the permanent magnet into the rotor to complete the assembly. There is no need to manually move the material to improve the assembly efficiency.

[0030] When there is a permanent magnet in the feeding chute, the permanent magnet abuts the prompt block, and the prompt block slides so that the warning block is embedded in the groove. When there is a permanent magnet left in the feeding chute, the spring pushes the permanent magnet to slide downward, and the warning block moves away from the groove. The warning block extends out of the warning slot to remind the operator to add material, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 The present invention is a schematic diagram of the overall structure of a permanent magnet and rotor assembly device.

[0032] Figure 2 A cross-sectional view of a permanent magnet and rotor assembly device.

[0033] Figure 3 It is a schematic diagram of the overall structure of the processing table, the mounting table and the prompt component.

[0034] Figure 4 yes Figure 2 Enlarged view of point A in the middle.

[0035] Description of the accompanying drawings: 1. Main body; 11. Support rod; 12. Processing table; 121. Observation port; 122. Loading trough; 123. Pushing port; 13. Support plate; 14. Protection plate; 15. Column; 16. Top plate; 17. Driving cylinder; 18. Sliding plate; 181. Sliding port; 19. Press block; 2. Mounting table; 21. Through port; 22. Mounting port; 23. Positioning slot; 24. Limiting slot; 3. Assembly component; 31. Positioning member; 311, first spring; 312, positioning column; 32, pushing member; 321, pushing rod; 322, connecting plate; 323, control cylinder; 33, magnetic pole; 4, prompt assembly; 41, limit plate; 411, prompt groove; 412, warning groove; 413, sliding groove; 42, second spring; 43, prompt block; 431, spherical surface; 432, groove; 44, warning block; 45, sliding block; 46, third spring. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-4 This application is described in further detail.

[0037] The present application embodiment discloses a permanent magnet and rotor assembly device. Figure 1 and Figure 2 A permanent magnet and rotor assembly device includes a main body 1, a mounting platform 2, an assembly component 3 and a prompt component 4.

[0038] Reference Figure 2 The main body 1 includes a support rod 11, a processing table 12, a support plate 13, a protection plate 14, a column 15, a top plate 16, a driving cylinder 17, a sliding plate 18 and a pressing block 19. The upper end of the support rod 11 is fixedly connected to the lower end of the processing table 12, and there are four support rods 11. The four support rods 11 are respectively fixedly connected to the four corners of the processing table 12, and the lower ends of the support rods 11 abut against the ground. The support plate 13 is arranged below the processing table 12, and the four corners of the support plate 13 are respectively fixedly connected to the four support rods 11. The protection plate 14 is connected end to end, and the protection plate 14 is arranged on the outer periphery of the processing table 12. The inner wall of the protection plate 14 is fixedly connected to the outer wall of the processing table 12 and the outer wall of the support plate 13.

[0039] The lower end of the column 15 is fixedly connected to the upper end of the processing table 12. There are four columns 15. The four columns 15 are respectively fixedly connected to the four corners of the processing table 12. The upper ends of the columns 15 are all fixedly connected to the top plate 16. The driving cylinder 17 is arranged on the inner periphery of the four columns 15. The cylinder body of the driving cylinder 17 is fixedly connected to the upper end of the top plate 16. The piston rod of the driving cylinder 17 passes through the top plate 16 and is fixedly connected to the sliding plate 18. The sliding plate 18 has sliding openings 181 at its four corners. The column 15 is slidably connected to the inner wall of the sliding opening 181, and the pressing block 19 is fixedly connected to the lower end of the sliding plate 18.

[0040] Reference Figure 2 The processing table 12 is provided with an observation port 121, which vertically penetrates the processing table 12. A loading trough 122 is provided at the upper end of the processing table 12. The loading trough 122 is arranged on the outer periphery of the observation port 121. There are sixteen loading troughs 122, and the sixteen loading troughs 122 are evenly spaced around the axis of the observation port 121. A pushing port 123 is provided at the bottom of the loading trough 122, which vertically penetrates the processing table 12. The height of the bottom of the loading trough 122 increases as it moves away from the pushing port 123, and the width of the loading trough 122 widens as it moves away from the pushing port 123. The minimum depth of the loading trough 122 is equal to the height of the permanent magnet, and the minimum width of the loading trough 122 is equal to the width of the permanent magnet. The width direction of the permanent magnet is parallel to the width direction of the loading trough 122.

[0041] Reference Figure 2 and Figure 3 The mounting table 2 is fixedly connected to the upper end of the processing table 12 by bolts. The mounting table 2 is provided with a through opening 21, which vertically penetrates the mounting table 2. The through opening 21 is coaxially arranged with the observation port 121. The mounting table 2 is provided with a mounting opening 22, which is arranged on the outer periphery of the through opening 21. The mounting opening 22 vertically penetrates the mounting table 2. The mounting opening 22 is used for allowing a permanent magnet to pass through. There are sixteen mounting openings 22, which are evenly spaced around the axis of the through opening 21. The mounting openings 22 are arranged one by one with the pushing openings 123.

[0042] The assembly component 3 includes a positioning member 31, a pusher 32 and a magnetic pole 33. The positioning member 31 includes a first spring 311 and a positioning column 312. The upper end of the mounting platform 2 is provided with a positioning groove 23, and the positioning groove 23 is provided between the mounting port 22 and the through port 21. There are two positioning grooves 23. One end of the first spring 311 is fixedly connected to the bottom of the positioning groove 23, and the other end of the first spring 311 is fixedly connected to the positioning column 312. The positioning column 312 is slidably connected to the groove wall of the positioning groove 23. The sliding direction of the positioning column 312 is vertical. The upper end of the positioning column 312 is provided with a rounded corner. There are two positioning columns 312. The positioning columns 312 are arranged one by one with the positioning grooves 23, and the positioning columns 312 are used to be embedded in the grooves opened by the rotor.

[0043] Reference Figure 2 The pusher 32 includes a push rod 321, a connecting plate 322 and a control cylinder 323. The push rod 321 is slidably connected to the inner wall of the push port 123 and the inner wall of the mounting port 22. There are sixteen push rods 321, and the push rods 321 are arranged one by one corresponding to the push ports 123. The connecting plate 322 is arranged between the processing table 12 and the support plate 13. The connecting plate 322 is fixedly connected to the lower ends of the sixteen push rods 321. The cylinder body of the control cylinder 323 is fixedly connected to the upper end of the support plate 13, and the piston rod of the control cylinder 323 is fixedly connected to the lower end of the connecting plate 322.

[0044] The magnetic pole 33 is fixedly connected to the bottom of the loading trough 122, and the magnetic pole 33 is arranged on the side of the pushing port 123 close to the axis of the through opening 21. The end of the magnetic pole 33 away from the axis of the through opening 21 is coplanar with the inner wall of the installation port 22 away from the axis of the through opening 21, and the end of the magnetic pole 33 away from the axis of the through opening 21 is coplanar with the inner wall of the pushing port 123 away from the axis of the through opening 21. The magnetic pole 33 is used to attract the permanent magnet.

[0045] Reference Figure 3 and Figure 4 The prompt assembly 4 includes a limit plate 41, a second spring 42, a prompt block 43, a warning block 44, a sliding block 45 and a third spring 46. The outer wall of the mounting platform 2 away from the axis of the through-port 21 is provided with a limit groove 24, and the limit groove 24 extends downward through the mounting platform 2. There are sixteen limit grooves 24, and the sixteen limit grooves 24 are evenly spaced around the axis of the through-port 21. The limit grooves 24 are arranged one by one with the mounting port 22. The limit plate 41 is fixedly embedded in the limit groove 24, and the distance from the bottom of the limit groove 24 to the mounting port 22 is less than the thickness of a permanent magnet. The end of the limit plate 41 away from the through-port 21 is parallel to the width direction of the loading trough 122. The height of the lower end surface of the limit plate 41 increases as it moves away from the mounting port 22, and the lower end of the limit plate 41 is used to abut against the permanent magnet.

[0046] A prompt groove 411 is provided at the lower end of the limiting plate 41, and the distance from the prompt groove 411 to the mounting port 22 is less than the thickness of a permanent magnet. One end of the second spring 42 is fixedly connected to the bottom of the prompt groove 411, and the other end of the second spring 42 is fixedly connected to the prompt block 43. The prompt block 43 is slidably connected to the groove wall of the prompt groove 411, and the lower end of the prompt block 43 is set to a spherical surface 431, which is used to abut the permanent magnet.

[0047] Reference Figure 3 and Figure 4 The end of the limit plate 41 away from the installation opening 22 is provided with a warning groove 412, the warning groove 412 is connected to the prompt groove 411, the warning block 44 is slidably connected to the groove wall of the warning groove 412, the end of the prompt block 43 facing the warning block 44 is provided with a groove 432, the groove 432 is used for the warning block 44 to be embedded, the end of the warning block 44 facing the groove 432 is provided with a rounded corner, the groove wall of the warning groove 412 is provided with a sliding groove 413, the sliding block 45 is slidably connected to the groove wall of the sliding groove 413, the sliding block 45 is fixedly connected to the warning block 44, one end of the third spring 46 is fixedly connected to the groove wall of the sliding groove 413 facing the installation opening 22, and the other end of the third spring 46 is fixedly connected to the sliding block 45. The elastic force of the second spring 42 is greater than the elastic force of the third spring 46.

[0048] The implementation principle of the permanent magnet and rotor assembly device of the embodiment of the present application is as follows: the permanent magnet is placed in the loading trough 122, the magnetic pole 33 adsorbs the permanent magnet, the rotor is placed on the mounting table 2, the positioning column 312 is embedded in the groove opened in the rotor, and the rotor is positioned so that the hole for mounting the permanent magnet on the rotor is arranged corresponding to the mounting opening 22, the driving cylinder 17 drives the sliding plate 18 to slide downward, so that the pressing block 19 presses the rotor on the mounting table 2, the control cylinder 323 controls the connecting plate 322 to slide upward, and the push rod 3 21 pushes a permanent magnet upward, and the permanent magnet passes through the installation port 22 and is stuck in the rotor. Multiple permanent magnets are assembled at the same time, and the push rod 321 slides downward and resets. The magnetic pole 33 attracts the permanent magnet to move to the push port 123, which is convenient for the next installation. When the last permanent magnet in the loading trough 122 moves above the push port 123, the second spring 42 pushes the prompt block 43 to slide downward, and the warning block 44 falls out of the groove 432. The warning block 44 extends out of the warning slot 412 to remind the staff to refill the loading trough 122.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A permanent magnet and rotor assembly device, characterized in that: The invention comprises a processing table (12), a mounting table (2) and a push rod (321); the upper end of the processing table (12) is provided with a loading trough (122); the bottom of the loading trough (122) is provided with a pushing port (123); the pushing port (123) vertically penetrates the processing table (12); the mounting table (2) is fixedly connected to the upper end of the processing table (12); the upper end of the mounting table (2) is used to place a rotor; the mounting table (2) is provided with a mounting port (22); the mounting port (22) vertically penetrates the mounting table (2); the mounting port (22) is used to allow a permanent magnet to pass through; the push rod (321) is slidably connected to the inner wall of the pushing port (123) and the inner wall of the mounting port (22); It also includes a connecting plate (322), the mounting platform (2) is provided with a through opening (21), the mounting opening (22) is arranged on the periphery of the through opening (21), a plurality of the mounting openings (22) are provided, and the plurality of the mounting openings (22) are evenly spaced around the axis of the through opening (21), a plurality of the loading grooves (122) are provided, the number of the loading grooves (122) is equal to the number of the through opening (21), and the plurality of the loading grooves (122) are evenly spaced around the axis of the through opening (21), a plurality of the pushing rods (321) are provided, and the pushing rods (321) are arranged one-to-one with the loading grooves (122), and the connecting plate (322) is fixedly connected to the lower ends of the plurality of pushing rods (321); It also includes a limit plate (41), a second spring (42), a prompt block (43), a warning block (44), a sliding block (45) and a third spring (46); a prompt groove (411) is provided at the lower end of the limit plate (41); a distance from the prompt groove (411) to the installation opening (22) is less than the thickness of a permanent magnet; one end of the second spring (42) is fixedly connected to the groove bottom of the prompt groove (411); the other end of the second spring (42) is fixedly connected to the prompt block (43); the prompt block (43) is slidably connected to the groove wall of the prompt groove (411); the lower end of the prompt block (43) is set as a spherical surface (431); an end of the limit plate (41) facing away from the installation opening (22) is provided with a warning groove (412); The groove (412) is connected to the prompt groove (411), the warning block (44) is slidably connected to the groove wall of the warning groove (412), the prompt block (43) is provided with a groove (432) at one end facing the warning block (44), the groove (432) is used for the warning block (44) to be embedded, the warning block (44) is provided with a rounded corner at one end facing the groove (432), the groove wall of the warning groove (412) is provided with a sliding groove (413), the sliding block (45) is slidably connected to the groove wall of the sliding groove (413), the sliding block (45) is fixedly connected to the warning block (44), one end of the third spring (46) is fixedly connected to the groove wall of the sliding groove (413), and the other end of the third spring (46) is fixedly connected to the sliding block (45); It also includes a column (15), a top plate (16), a driving cylinder (17) and a pressing block (19), wherein the lower end of the column (15) is fixedly connected to the processing table (12), the upper end of the column (15) is fixedly connected to the top plate (16), the cylinder body of the driving cylinder (17) is fixedly connected to the top plate (16), the piston rod of the driving cylinder (17) is fixedly connected to the pressing block (19), and the pressing block (19) is used to fix the rotor on the mounting table (2).

2. A permanent magnet and rotor assembly device according to claim 1, characterized in that: It also comprises a positioning column (312), the positioning column (312) being connected to the upper end of the mounting platform (2), the positioning column (312) being used to be embedded in a groove provided in the rotor, and a plurality of the positioning columns (312) are provided.

3. A permanent magnet and rotor assembly device according to claim 2, characterized in that: The mounting platform (2) further comprises a first spring (311), wherein a positioning groove (23) is provided at the upper end of the mounting platform (2), wherein the positioning groove (23) is provided between the mounting opening (22) and the through opening (21), wherein one end of the first spring (311) is connected to the groove bottom of the positioning groove (23), and the other end of the first spring (311) is connected to a positioning column (312), wherein the positioning column (312) is slidably connected to the groove wall of the positioning groove (23), wherein a plurality of positioning grooves (23) are provided, and the positioning columns (312) are provided in a one-to-one correspondence with the positioning grooves (23).

4. The permanent magnet and rotor assembly equipment according to claim 1, characterized in that: It also includes a magnetic pole (33), the magnetic pole (33) is fixedly connected to the bottom of the feeding trough (122), the magnetic pole (33) is arranged on a side of the pushing port (123) close to the axis of the through port (21), one end of the magnetic pole (33) facing away from the axis of the through port (21) is coplanar with the inner wall of the installation port (22) facing away from the axis of the through port (21), and the magnetic pole (33) is used to attract the permanent magnet.

5. A permanent magnet and rotor assembly device according to claim 4, characterized in that: The height of the bottom of the loading trough (122) increases as it moves away from the pushing port (123).

6. A permanent magnet and rotor assembly device according to claim 4, characterized in that: The width of the material loading trough (122) increases as it moves away from the material pushing port (123).

7. The permanent magnet and rotor assembly equipment according to claim 4, characterized in that: It also comprises a limiting plate (41), an outer wall of the mounting platform (2) which is away from the axis of the through opening (21) is provided with a limiting groove (24), the limiting groove (24) extends downward and penetrates the mounting platform (2), the limiting plate (41) is fixedly embedded in the limiting groove (24), the distance from the groove bottom of the limiting groove (24) to the mounting opening (22) is less than the thickness of a permanent magnet, and one end of the limiting plate (41) which is away from the through opening (21) is parallel to the width direction of the loading trough (122).

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