Automatic motor rotor magnet assembling equipment

Abstract

The application relates to a motor rotor magnetic steel sheet automatic assembling equipment which comprises a positioning sleeve, a guide sleeve, a jacking sheet and a rack; the positioning sleeve and the guide sleeve are fixedly connected in the axial direction and are fixedly arranged relative to the rack; a central accommodating part for fixing and accommodating a rotor shaft to be assembled is formed in the positioning sleeve; a plurality of side accommodating parts are formed in the outer ring of the central accommodating part in the circumferential direction, and the profiles of the side accommodating parts are matched with the structures of magnetic steel sheets to be assembled; a plurality of guide grooves are arranged on the outer side of the guide sleeve in the circumferential direction at intervals, and the first ends of the guide grooves are communicated with the side accommodating parts; the number and the distribution positions of the jacking sheets are one-to-one corresponding to the guide grooves; one end of the jacking sheet is connected with a first linear driving end and can move linearly relative to the rack; the other end of the jacking sheet is used for jacking the end part of the magnetic steel sheet accommodated in the guide groove from the second end of the guide groove, so that the magnetic steel sheet is moved along the guide groove to the side accommodating part. The purpose is to realize one-time assembly of the magnetic steel sheet and improve the assembling efficiency.

Description

Technical Field

[0001] This invention relates to the field of motor manufacturing technology, and in particular to an automatic assembly equipment for motor rotor magnet sheets. Background Technology

[0002] The rotor of a brushless motor is generally composed of a rotor shaft and magnets (plates) attached to the rotor shaft. When assembling the magnets, glue needs to be applied to the circumferential side of the rotor shaft first, and then the magnets are attached to the circumferential side of the rotor. Since the magnets are spaced apart along the circumferential side of the rotor shaft, but there is attraction between the magnets, it is necessary to use a separator to separate adjacent magnets, which leads to a complicated process and low efficiency.

[0003] In response to this, some existing technologies provide automated assembly equipment. For example, patent CN201920589237.6 discloses an automatic magnet insertion machine. Its structure includes a mounting plate with a placement groove fixed to it. A guide groove is fixed to the end of the placement groove. A cam is positioned directly above the placement groove. A cylinder is fixed to the mounting plate, with its piston rod vertically extending into the guide groove. It also includes a motor II, whose output end is connected to a turntable. The turntable has a fixing device for securing the machine housing. The housing to which the magnet needs to be fixed is fixed on the turntable. Motor II drives the turntable to rotate, fixing the magnet in the placement groove. The cam rotates, pushing the magnet to move within the placement groove. The piston rod of the cylinder pushes the magnet into the lower housing. Motor II, a stepper motor, drives the housing to rotate to a designated position. Motor II stops, and the cylinder pushes the magnet into the lower housing again. Motor II rotates, and after multiple rotations of the cylinder, the housing is filled with magnets, after which the housing is removed.

[0004] It is evident that although it avoids manual assembly, it still requires constant rotation of the housing to assemble all the magnets, resulting in a slow assembly pace that does not meet the needs of mass production. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an automatic assembly equipment for motor rotor magnet sheets, aiming to achieve one-time assembly of magnet sheets and improve assembly efficiency.

[0006] The technical solution adopted in this invention is as follows:

[0007] An automatic assembly equipment for motor rotor magnet sheets includes a positioning sleeve, a guide sleeve, a lifting plate, a frame, and a feeding assembly;

[0008] The positioning sleeve and guide sleeve are fixedly connected along the axial direction and fixedly set relative to the frame. A central receiving part is formed inside the positioning sleeve for fixing and accommodating the rotor shaft to be assembled. A number of side receiving parts are evenly distributed in the circumferential direction on the outer ring of the central receiving part. The outline of the side receiving parts matches the structure of the magnet sheet to be assembled.

[0009] The outer side of the guide sleeve is provided with a plurality of guide grooves spaced circumferentially. The feeding assembly includes a plurality of discharge ends. The plurality of guide grooves correspond to the positions of the discharge ends respectively, and are used to adsorb a magnet steel sheet to be assembled located on the outermost side of each discharge end and accommodate the magnet steel sheet therein. The first end of the guide groove along the axial direction of the guide sleeve is connected to the side accommodating part along the axial direction.

[0010] The number and distribution of the lifting plates correspond one-to-one with the guide grooves. One end of the lifting plate is connected to the first linear drive end and can move linearly relative to the frame. The other end of the lifting plate is used to press against the end of the magnetic steel sheet contained in the guide groove from the second end of the guide sleeve along the axial direction of the guide groove, so that it moves along the guide groove to the side receiving part.

[0011] The further technical solution is as follows:

[0012] The other end of the guide sleeve away from the positioning sleeve is fixedly mounted on a positioning block. The positioning block is fixedly mounted and has a positioning through hole in the middle. The outer ring of the positioning through hole has a through groove for the magnetic steel sheet to pass through. One end of the guide sleeve has a positioning shaft that cooperates with the positioning through hole. The second end of the guide groove along the axial direction of the guide sleeve is axially connected to the through groove.

[0013] An upper positioning cavity is formed inside the guide sleeve. The top of the upper positioning cavity is connected to the central receiving part, and the bottom surface of the upper positioning cavity is a positioning step surface.

[0014] A push rod cavity is formed inside the guide sleeve, with its upper opening located on the positioning step surface for engaging with the push rod. One end of the push rod is connected to the second linear drive end, and the other end of the push rod can pass sequentially between the lifting plates and through the push rod cavity to extend into the upper positioning cavity.

[0015] The second linear drive end includes a fixedly mounted second cylinder, the piston rod output end of which is connected to the push rod via a push rod connecting sleeve.

[0016] The first linear drive end includes a fixed base and a movable plate fixedly connected to the fixed base. The movable plate is connected to the piston rod of the fixed first cylinder. The fixed base is provided with a fixing groove for fixing the lifting plate, and the side of the fixing groove is provided with a mounting hole.

[0017] The fixing base has a central through hole located at the center of the inner ring of the fixing groove.

[0018] The cylinder body of the first cylinder is mounted on the lower fixed plate. The lower fixed plate and the movable plate are connected by a linear bearing and a guide post that cooperates with the linear bearing. The guide post is fixed on the frame.

[0019] The feeding assembly includes a lower fixed plate and an upper fixed plate located above the lower fixed plate. The upper fixed plate has multiple upper slots, and the lower fixed plate has multiple lower slots. The upper and lower slots are vertically aligned and limit the two ends of the magnet sheet to be assembled along its length, thereby forming multiple feeding channels for stacking the magnet sheets to be assembled. The multiple feeding channels are evenly distributed radially around the guide sleeve, and the discharge end is the end of the feeding channel closest to the guide sleeve.

[0020] The depth of the guide groove along the radial direction of the guide sleeve is greater than or equal to the thickness of one magnet and less than the thickness of two magnets.

[0021] The depth of the side receiving portion along the radial direction of the positioning sleeve is greater than or equal to the thickness of one magnetic steel sheet and less than the thickness of two magnetic steel sheets.

[0022] The lower fixed plate is fixed to the top of the frame, and several equal-height blocks are provided between the upper fixed plate and the lower fixed plate, and are connected by locking components;

[0023] The upper fixing plate, the lower fixing plate, and the frame are each provided with corresponding holes to form a guide channel through which the guide sleeve passes. The gap between the inner wall of the guide channel and the outer wall of the guide sleeve is no greater than the thickness of a magnetic steel sheet.

[0024] The guide sleeve is made of a metal material that can be attracted by a permanent magnet; the lifting plate is made of stainless steel.

[0025] The automatic assembly equipment for motor rotor magnet sheets also includes an upper positioning component, which includes a linearly movable pressure head whose movement path is coaxial with the positioning sleeve.

[0026] The beneficial effects of this invention are as follows:

[0027] This invention improves assembly efficiency and is applicable to the assembly of various types of magnet sheets, exhibiting high versatility. Specifically, it has the following advantages:

[0028] In this invention, the number and position of the side receiving parts of the lifting plate, guide groove, and positioning sleeve are sequentially corresponding. By moving the lifting plate, the magnetic steel plates adsorbed in each guide groove can be pushed synchronously into the side receiving parts, thus realizing the one-time assembly of a group (multiple) magnetic steel plates on the rotor shaft. There is no need to set up a rotation mechanism, and the motion mechanism is simple.

[0029] The lifting plate of the present invention performs only linear motion under the drive of the first linear drive end. The drive mechanism has a simple structure, is easy to operate, and has high efficiency.

[0030] The present invention, through the design of the push rod, can further facilitate the unloading of the assembled rotor shaft.

[0031] This invention, through the design of the feeding tray assembly, enables automatic feeding of magnetic steel sheets. By replacing the appropriate height blocks according to the length requirements of different types of magnetic steel sheets, the upper and lower fixed trays can form a feeding channel suitable for different types of magnetic steel sheets.

[0032] Other features and advantages of the invention will be set forth in the following description or may be learned by practicing the invention. Attached Figure Description

[0033] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention.

[0034] Figure 2 for Figure 1 Enlarged view of section A.

[0035] Figure 3 This is an exploded view of the guide sleeve and lifting plate assembly structure according to an embodiment of the present invention.

[0036] Figure 4 This is a schematic diagram of the positioning block according to an embodiment of the present invention.

[0037] Figure 5 This is a schematic diagram of the guide sleeve according to an embodiment of the present invention.

[0038] Figure 6 This is a schematic diagram of the structure of the fixing base according to an embodiment of the present invention.

[0039] Figure 7 For along Figure 1 A cross-sectional view along the X-axis.

[0040] Figure 8 For along Figure 1 A cross-sectional view along the Y direction.

[0041] Figure 9 This is a top view of the positioning sleeve according to an embodiment of the present invention.

[0042] In the diagram: 1. Pressure head; 2. Positioning sleeve; 3. Upper fixed plate; 4. Lower fixed plate; 5. Guide sleeve; 6. Movable plate; 7. Fixed seat; 8. Push rod; 9. Second cylinder; 10. Third cylinder; 11. Equal height block; 12. First cylinder; 13. Guide column; 14. Lower fixed plate; 15. Frame; 16. Lifting plate; 17. Positioning block; 18. Linear bearing; 21. Central receiving part; 22. Side receiving part; 31. Upper slot hole; 41. Lower slot hole; 51. Guide groove; 52. Push rod cavity; 53. Positioning step surface; 54. Positioning shaft part; 55. Upper positioning cavity; 71. Fixed groove; 72. Central through hole; 73. Mounting hole; 171. Positioning through hole; 172. Through groove. Detailed Implementation

[0043] The specific embodiments of the present invention are described below with reference to the accompanying drawings.

[0044] Example 1

[0045] See Figure 1 , Figure 2 , Figure 3 and Figure 9 The automatic assembly equipment for motor rotor magnet sheets in this embodiment includes a positioning sleeve 2, a guide sleeve 5, a lifting plate 16, and a frame 15.

[0046] Positioning sleeve 2 and guide sleeve 5 are fixedly connected along the axial direction and fixedly disposed relative to frame 15. A central receiving portion 21 is formed inside the positioning sleeve 2 for fixing and accommodating the rotor shaft to be assembled. Figure 9 As shown by the dashed line (it can be understood that the area is circled with a dashed line for easy understanding of the location, and the dashed line itself does not represent any physical object), the outer ring of the central receiving part 21 is formed with a number of side receiving parts 22 that are evenly spaced along the circumference. The outline of the side receiving parts 22 matches the structure of the magnetic steel sheet to be assembled.

[0047] The outer side of the guide sleeve 5 is provided with a plurality of guide grooves 51 spaced circumferentially. The guide grooves 51 are used to adsorb a magnetic steel sheet to be assembled in the discharge position and to accommodate the magnetic steel sheet therein. The guide grooves 51 are used to adsorb and accommodate the magnetic steel sheet to be assembled in the inlet position. The first end of the guide grooves 51 is connected to the side accommodating part 22.

[0048] The number and distribution of the lifting plates 16 correspond one-to-one with the guide grooves 51. One end of the lifting plate 16 is connected to the first linear drive end and can move linearly relative to the frame 15. The other end of the lifting plate 16 is used to press against the end of the magnetic steel sheet contained in the guide groove 51 from the second end of the guide groove 51, so that it moves along the guide groove 51 to the side receiving part 22.

[0049] In this embodiment, four lifting plates 16 are specifically provided, and four corresponding guide grooves 51 are provided, which can simultaneously push four magnet plates to achieve one-time assembly of the magnet plates on the rotor shaft. Moreover, the lifting plates 16 only perform linear motion under the drive of the first linear drive end, making the operation process simple and efficient.

[0050] Specifically, since the magnetic steel sheet is a permanent magnet material, in this embodiment, the guide sleeve 5 is made of a metal material that can be attracted by the permanent magnet material. When the straight-line docking distance is the shortest, the magnetic steel sheet docked with it at the discharge end can be automatically attracted into the guide groove 51. The lifting plate 16 is preferably made of stainless steel to avoid creating magnetic attraction on the magnetic steel sheet.

[0051] See Figure 3 and Figure 4In the above embodiment, the other end of the guide sleeve 5 away from the positioning sleeve 2 is fixedly mounted on a positioning block 17. The positioning block 17 is fixedly mounted, and a positioning through hole 171 is provided in the middle of the positioning block 17. The outer ring of the positioning through hole 171 is provided with a through groove 172 for the magnetic steel sheet to pass through. One end of the guide sleeve 5 is provided with a positioning shaft portion 54 that cooperates with the positioning through hole 171. The second end of the guide groove 51 is connected to the through groove 172.

[0052] See Figure 5 The guide sleeve 5 has an upper positioning cavity 55. The top of the upper positioning cavity 55 is connected to the central receiving part 21 and can be used to receive the rotor shaft to be assembled extending from the lower part of the positioning sleeve 2. The bottom surface of the upper positioning cavity 55 is a positioning step surface 53, which is used to abut against the end face of the rotor shaft to be assembled.

[0053] See Figure 3 and Figure 6 The first linear drive end specifically includes a fixed base 7 and a movable plate 6 fixedly connected to the fixed base 7. The movable plate 6 is connected to the piston rod of the fixed first cylinder 12. The fixed base 7 is provided with a fixing groove 71 for fixing the lifting plate 16, and the side of the fixing groove 71 is provided with a mounting hole 73.

[0054] When installing the lifting plate 16, insert its end into the fixing groove 71, and then use the locking member to lock the lifting plate 16 into the fixing groove 71 through the mounting hole 73.

[0055] Specifically, the fixing grooves 71 are evenly distributed along the circumferential direction.

[0056] To facilitate the unloading of the rotor shaft after assembly, as an improved solution, the structure of the above embodiment further includes: a guide rod 8, such as... Figure 3 As shown. See also Figure 5 The guide sleeve 5 has a push rod cavity 52 for cooperating with the push rod 8. The upper opening of the push rod cavity 52 is located on the positioning step 53. One end of the push rod 8 is connected to the second linear drive end, and the other end of the push rod 8 can pass through the lifting plates 16 and the push rod cavity 52 in sequence to extend into the upper positioning cavity 55.

[0057] When the assembly is complete and the material needs to be unloaded, to prevent hard contact that would make it difficult to manually pull the rotor shaft out of the guide sleeve 5, the lifting motion of the push rod 8 is used to apply force to the rotor shaft, making it easier for the rotor shaft to separate from the guide sleeve 5 and then detach from the positioning sleeve 2.

[0058] See Figure 7 The second linear drive end specifically includes a fixedly installed second cylinder 9, whose piston rod output end is provided with a push rod connecting sleeve, which is connected to the push rod 8 through the push rod connecting sleeve.

[0059] See Figure 6In order to facilitate the movement of the push rod 8, a central through hole 72 is provided on the fixed seat 7 at the center of the inner ring of the fixed groove 71, so as to allow the push rod 8 to pass through.

[0060] See Figure 7 and Figure 8 The cylinder body of the first cylinder 12 is mounted on the lower fixed plate 14. The lower fixed plate 14 and the movable plate 6 are connected by a linear bearing 18 and a guide post 13 that cooperates with the linear bearing 18. The guide post 13 is fixed on the frame 15.

[0061] Driven by the first cylinder 12, the movable plate 6 moves relative to the lower fixed plate 14, which in turn moves the fixed base 7 and the lifting plate 16 mounted on it.

[0062] The linear bearing 18 is specifically mounted on the movable plate 6. When the movable plate 6 moves relative to the lower fixed plate 14, the linear bearing 18 engages with the guide post 13.

[0063] For ease of arrangement, in this embodiment, the cylinder body of the second cylinder 9 is also mounted on the lower fixed plate 14.

[0064] See Figure 1 , Figure 7 and Figure 8 The feeding assembly is located on the top of the frame 15. The structure of the feeding assembly includes a lower fixed plate 4 and an upper fixed plate 3 located above the lower fixed plate 4. The upper fixed plate 3 is provided with multiple upper slot holes 31, and the lower fixed plate 4 is provided with multiple lower slot holes 41. The upper slot holes 31 and lower slot holes 41 correspond to each other and limit the two ends of the length direction of the magnetic steel sheet to be assembled, thereby forming multiple feeding channels for stacking the magnetic steel sheet to be assembled. The multiple feeding channels are evenly distributed in a radial pattern with the guide sleeve 5 as the center, and the discharge end is the end of the feeding channel close to the guide sleeve 5.

[0065] In this embodiment, the device is preferably designed as a centrally symmetrical structure. The positioning sleeve 2, guide sleeve 5, and lifting plate 16 are set on the "central axis" of the centrally symmetrical structure. The positioning sleeve 2 is specifically fixed at the center of the upper fixed plate 3, and the positioning block 17 is specifically fixed at the center of the lower fixed plate 4. The upper slot hole 31 and the lower slot hole 41 are symmetrically distributed with the central axis as the center.

[0066] See Figure 1 During feeding, the magnetic steel sheets are placed vertically (perpendicular to the XY plane) in the feeding channel. The upper slot 31 and lower slot 41 respectively limit the length of the magnetic steel sheets to be assembled at both ends. Multiple magnetic steel sheets are neatly and tightly placed in the feeding channel. In this embodiment, the feeding channel is respectively along... Figure 1 With the X and Y directions set, when the magnetic steel sheet is fed, the guide sleeve 5 is in the center position. Under the attraction of the guide sleeve 5 on the magnetic steel sheet, it automatically moves towards the guide groove 51 of the guide sleeve 5 in the direction shown by the arrow in the figure, so as to realize automatic feeding.

[0067] Specifically, the lower fixed plate 4 is fixed to the top of the frame 15, and several equal-height blocks 11 are provided between the upper fixed plate 3 and the lower fixed plate 4 and are connected by locking components; holes are opened on the upper fixed plate 3, the lower fixed plate 4 and the frame 5 respectively, and the positions are corresponding to form a guide channel for the guide sleeve 5 to pass through. The gap between the inner wall of the guide channel and the outer wall of the guide sleeve 5 is no greater than the thickness of a magnetic steel sheet.

[0068] Due to the permanent magnet characteristics of the magnetic steel sheets, it is known that the outermost magnetic steel sheet at the discharge end of the feeding channel and all the magnetic steel sheets behind it are in a state of tight adhesion under magnetic attraction. In order to ensure that only one magnetic steel sheet is attracted by the guide groove 51 and lifted by the lifting plate to the side receiving part 22 of the positioning sleeve 2 so that the magnetic steel sheet can be smoothly attached to the outer wall of the rotor shaft, in this embodiment, the depth of the guide groove 51 along the radial direction of the guide sleeve 5 is greater than or equal to the thickness of one magnetic steel sheet and less than the thickness of two magnetic steel sheets; at the same time, the depth of the side receiving part 22 along the radial direction of the positioning sleeve 2 is greater than or equal to the thickness of one magnetic steel sheet and less than the thickness of two magnetic steel sheets. It is understandable that when the lifting plate is at the outermost magnetic steel sheet at the discharge end, due to the limitations of the guide groove 51 and the side receiving part 22, and the fact that the gap between the inner wall of the guide channel through which the guide sleeve 5 passes and the outer wall of the guide sleeve 5 is no greater than the thickness of one magnetic steel sheet, it can be ensured that the magnetic steel sheet at the second outermost position and subsequent magnetic steel sheets will not be lifted. After the lifting plate descends, the second outermost magnetic steel sheet re-enters the guide groove 51, and the lifting action is repeated, thus achieving continuous lifting. Furthermore, it is understood that the thickness of the lifting plate is no greater than the thickness of two magnetic steel sheets, meaning that each lifting plate only pushes one magnetic steel sheet at a time.

[0069] Specifically, several equal-height blocks 11 are provided between the upper fixed plate 3 and the lower fixed plate 4, and are connected by locking components. The equal-height blocks 11 of appropriate thickness can be replaced according to the length of the magnet to be assembled, making the feeding tray assembly suitable for feeding different types of magnets. In this embodiment, the height of the equal-height blocks can be adjusted to adjust the distance between the upper and lower fixed plates, thus achieving dimensional adjustment of the feeding channel along the height direction, making it suitable for feeding various types of magnets with different lengths. In use, the magnets can be neatly stacked in the feeding channel manually or using other mechanical equipment, limited by the upper and lower slots, and moved at the output end by adsorption force. No additional drive mechanism is required, optimizing the structural design and saving space and cost.

[0070] To improve the stability of the rotor shaft during assembly, as an improvement, the assembly equipment in the above embodiment further includes an upper positioning assembly, which includes a linearly movable pressure head 1. The movement path of the pressure head 1 is coaxial with that of the positioning sleeve 2. The pressure head 1 is located on the output end of the piston rod of the third cylinder 10. Specifically, the third cylinder 10 is mounted on a mounting plate, and the mounting plate is fixed above the upper fixed plate 3 by a support column.

[0071] Example 2

[0072] This embodiment provides an assembly method using the automatic assembly equipment for motor rotor magnet sheets described in Embodiment 1, including the following steps:

[0073] Insert the rotor shaft to be assembled from the positioning sleeve 2 and extend it into the guide sleeve 5 to stabilize the bottom of the rotor shaft. The rotor shaft is located in the central receiving part 21 of the positioning sleeve 2, the position of which can be seen from [reference needed]. Figure 9 As shown by the dashed circle in the middle. Figure 9 for( Figure 2 (See top view of the positioning sleeve in the indicated state); Optionally, the top of the rotor shaft can be further pressed by the pressure head 1;

[0074] The magnetic steel sheets are fed (moved) sequentially from the feeding channel into the guide grooves 51 of the guide sleeve 5. Each feeding is done simultaneously in all four guide grooves 51 of the guide sleeve 5.

[0075] Then the first cylinder 12 is started, which drives the movable plate 6 to move upward relative to the lower fixed plate 14, causing the fixed base 7 and the lifting plate 16 installed on it to move upward.

[0076] One end of the lifting plate 16 is connected to the first linear drive end, enabling it to move linearly relative to the frame 15. The other end of the lifting plate 16 is used to press against the end of the magnet piece housed in the guide groove 51 from the second end of the guide groove 51, causing it to move along the guide groove 51 to the side receiving portion 22. The magnet piece enters the side receiving portion 22 (see [reference]). Figure 9 The area formed between the central circular dotted line and the inner wall of the positioning sleeve 2 is automatically adsorbed (and adhered) to the rotor shaft fixed in the central receiving part 21, thus achieving automatic assembly.

[0077] To facilitate the unloading of the rotor shaft after assembly, the second cylinder 9 drives the push rod 8. The push rod 8 passes through the lifting plates 16 and the push rod cavity 52 in sequence, and extends into the upper positioning cavity to apply force to the rotor shaft, so that the rotor shaft can be separated from the guide sleeve 5 and then removed from the positioning sleeve 2.

[0078] Raise pressure head 1 and remove the assembled rotor shaft.

[0079] This application improves assembly efficiency and is applicable to the assembly of various types of magnet sheets, exhibiting high versatility.

[0080] It will be understood by those skilled in the art that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic assembly equipment for motor rotor magnet sheets, characterized in that, Includes positioning sleeve, guide sleeve, lifting plate, frame and feeding assembly; The positioning sleeve and guide sleeve are fixedly connected along the axial direction and fixedly set relative to the frame. A central receiving part is formed inside the positioning sleeve for fixing and accommodating the rotor shaft to be assembled. A number of side receiving parts are evenly distributed in the circumferential direction on the outer ring of the central receiving part. The outline of the side receiving parts matches the structure of the magnet sheet to be assembled. The outer side of the guide sleeve is provided with a plurality of guide grooves spaced circumferentially. The feeding assembly includes a plurality of discharge ends. The plurality of guide grooves correspond to the positions of the discharge ends respectively, and are used to adsorb a magnet steel sheet to be assembled located on the outermost side of each discharge end and accommodate the magnet steel sheet therein. The first end of the guide groove along the axial direction of the guide sleeve is connected to the side accommodating part along the axial direction. The number and distribution of the lifting plates correspond one-to-one with the guide grooves. One end of the lifting plate is connected to the first linear drive end and can move linearly relative to the frame. The other end of the lifting plate is used to press against the end of the magnetic steel sheet contained in the guide groove from the second end along the axial direction of the guide sleeve, so that it moves along the guide groove to the side receiving part. The other end of the guide sleeve away from the positioning sleeve is fixedly mounted on a positioning block. The positioning block is fixedly mounted and has a positioning through hole in the middle. The outer ring of the positioning through hole has a through groove for the magnetic steel sheet to pass through. One end of the guide sleeve has a positioning shaft portion that cooperates with the positioning through hole. The second end of the guide groove along the axial direction of the guide sleeve is axially connected to the through groove. An upper positioning cavity is formed inside the guide sleeve. The top of the upper positioning cavity is connected to the central receiving part, and the bottom surface of the upper positioning cavity is a positioning step surface. A push rod cavity is formed inside the guide sleeve, with its upper opening located on the positioning step surface for engaging with the push rod. One end of the push rod is connected to the second linear drive end, and the other end of the push rod can pass sequentially between the lifting plates and through the push rod cavity to extend into the upper positioning cavity. The second linear drive end includes a fixedly mounted second cylinder, the piston rod output end of which is connected to the push rod through a push rod connecting sleeve; The feeding assembly includes a lower fixed plate and an upper fixed plate located above the lower fixed plate. The upper fixed plate has multiple upper slots, and the lower fixed plate has multiple lower slots. The upper and lower slots are vertically aligned and limit the two ends of the magnet sheet to be assembled along its length, thereby forming multiple feeding channels for stacking the magnet sheets to be assembled. The multiple feeding channels are evenly distributed radially around the guide sleeve, and the discharge end is the end of the feeding channel closest to the guide sleeve. The depth of the guide groove along the radial direction of the guide sleeve is greater than or equal to the thickness of one magnet and less than the thickness of two magnets. The depth of the side receiving portion along the radial direction of the positioning sleeve is greater than or equal to the thickness of one magnetic steel sheet and less than the thickness of two magnetic steel sheets.

2. The automatic assembly equipment for motor rotor magnet sheets according to claim 1, characterized in that, The first linear drive end includes a fixed base and a movable plate fixedly connected to the fixed base. The movable plate is connected to the piston rod of the fixed first cylinder. The fixed base is provided with a fixing groove for fixing the lifting plate, and the side of the fixing groove is provided with a mounting hole.

3. The automatic assembly equipment for motor rotor magnet sheets according to claim 2, characterized in that, The fixing base has a central through hole located at the center of the inner ring of the fixing groove.

4. The automatic assembly equipment for motor rotor magnet sheets according to claim 2, characterized in that, The cylinder body of the first cylinder is mounted on the lower fixed plate. The lower fixed plate and the movable plate are connected by a linear bearing and a guide post that cooperates with the linear bearing. The guide post is fixed on the frame.

5. The automatic assembly equipment for motor rotor magnet sheets according to claim 1, characterized in that, The lower fixed plate is fixed to the top of the frame, and several equal-height blocks are provided between the upper fixed plate and the lower fixed plate, and are connected by locking components; The upper fixing plate, the lower fixing plate, and the frame are each provided with corresponding holes to form a guide channel through which the guide sleeve passes. The gap between the inner wall of the guide channel and the outer wall of the guide sleeve is no greater than the thickness of a magnetic steel sheet.

6. The automatic assembly equipment for motor rotor magnet sheets according to claim 1, characterized in that, The guide sleeve is made of a metal material that can be attracted by a permanent magnet; the lifting plate is made of stainless steel.

7. The automatic assembly equipment for motor rotor magnet sheets according to claim 1, characterized in that, It also includes an upper positioning component, which includes a linearly movable pressure head whose movement path is coaxial with the positioning sleeve.

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