Motor rotor magnetic steel assembly device and assembly method

Abstract

The present invention relates to the field of motor rotor technology, and in particular to a motor rotor magnetic steel assembly device and assembly method, including a workbench and an electric push rod fixedly connected to the workbench, the telescopic rod end of the electric push rod is fixedly connected to a movable frame, an electric rotating frame is installed on the movable frame, a fixed plate is fixedly connected to the top of the workbench, and a round frame located directly above the electric rotating frame is fixedly connected to the bottom of the fixed plate. After the rotor core and the magnetic steel sheet are placed, the present invention starts the rodless cylinder I to drive the magnetic insertion knife to move downward, and the magnetic insertion knife pushes the leftmost magnetic steel sheet to move downward and insert it into the magnetic steel slot of the rotor core to complete the assembly, and then the magnetic insertion knife moves upward to reset, and the electric rotating frame is started to drive the rotor core to rotate, so that the next magnetic steel slot corresponds to the discharge port of the loading frame to assemble the magnetic steel sheet, so that the rotor core with different numbers of slot holes can be assembled with magnetic steel sheets to meet different needs, thereby improving adaptability.

Description

Technical Field

[0001] The present invention relates to the technical field of motor rotors, and in particular to a motor rotor magnetic steel assembly device and an assembly method. Background Art

[0002] Magnets are one of the main components on the motor rotor. During the assembly of the motor rotor, the assembly of magnets is an important step, which requires inserting multiple magnet sheets into the magnet slots of the rotor core to complete the assembly.

[0003] A Chinese patent with announcement number CN113972800B discloses a motor rotor magnetic steel assembly device and assembly method, which includes a box body, an operation area is provided in the box body, an operation port is provided on the side of the operation area, a clamp is provided at the bottom of the operation area, the clamp is detachably connected to the operation area, a rotor core is provided on the clamp, the axis of the rotor core is detachably connected to the clamp, a plurality of uniformly distributed magnetic steel slots are provided on the side of the rotor core, a plurality of photoelectric sensors are detachably installed in the operation area, the plurality of photoelectric sensors are uniformly distributed in the operation area with the rotor core as the center and correspond to the plurality of magnetic steel slots one by one, an electric cylinder is provided at the top of the operation area, the electric cylinder is detachably connected to the operation area, a magnetic steel pressing device corresponding to the rotor core is provided on the electric cylinder, a PLC controller is provided in the box body, and the photoelectric sensor and the electric cylinder are electrically connected to the PLC controller. Although the above patent can insert magnetic steel sheets into the magnetic steel slots of the rotor core, it can only assemble rotor cores with eight magnetic steel slots, and cannot transfer magnetic steel sheets to rotor cores with different numbers of slot holes, and has low adaptability.

[0004] The present invention aims to solve the problems existing in the above patents. To this end, a motor rotor magnetic steel assembly device and assembly method are proposed, which can assemble magnetic steel sheets on rotor cores with different numbers of slot holes to improve adaptability. Summary of the invention

[0005] In order to overcome the disadvantages of the above patent that although the magnetic steel sheets can be inserted into the magnetic steel slots of the rotor core, it can only assemble the rotor core with eight magnetic steel slots and cannot transfer the magnetic steel sheets to the rotor core with different numbers of slot holes, resulting in low adaptability, the present invention provides a motor rotor magnetic steel assembly device and assembly method that can assemble magnetic steel sheets to rotor cores with different numbers of slot holes and improve adaptability.

[0006] The present invention is achieved through the following technical solutions:

[0007] A motor rotor magnetic steel assembly device and assembly method, including a workbench and an electric push rod fixedly connected to the workbench, the telescopic rod end of the electric push rod is fixedly connected to a movable frame, an electric rotating frame is installed on the movable frame, a fixed plate is fixedly connected to the top of the workbench, a round frame located directly above the electric rotating frame is fixedly connected to the bottom of the fixed plate, and openings for magnetic steel sheets to pass through are opened on the right side of the round frame and the left side of the fixed plate, and also include a loading frame, a rodless cylinder I, a magnetic inserting knife, a limit plate, a push plate, an electric screw, a clamping assembly and a positioning assembly, the clamping assembly is installed on the electric rotating frame, and is used to clamp and fix the rotor core, and the top of the fixed plate is horizontally slidably connected to the loading frame to place the magnetic steel sheet The charging frame is provided with a discharge port on the left side of the bottom thereof corresponding to the opening of the fixed plate, a limiting plate is fixedly connected to the top of the rotating frame, a pushing plate is slidably penetrated on the inner side of the charging frame, an electric screw is installed on the charging frame, the electric screw is threadedly connected to the pushing plate, a rodless cylinder I is installed on the outer side of the charging frame, a magnetic inserting knife located just above the discharge port of the charging frame is fixedly connected to the moving part of the rodless cylinder I, each time the electric rotating frame drives the rotor core to rotate once, the rodless cylinder I pushes the leftmost magnetic steel sheet to move downward and insert it into the magnetic steel slot of the rotor core, so that each magnetic steel slot of the rotor core is equipped with a magnetic steel sheet, and the positioning assembly is installed on the charging frame for positioning the magnetic steel sheet.

[0008] To further explain, the clamping assembly includes a rodless cylinder II evenly installed at the bottom of the electric rotating frame, and a clamping plate is fixed to the moving part of the rodless cylinder II for clamping and fixing the rotor core.

[0009] Further explanation, the positioning assembly includes a positioning plate that is slidably connected to both sides of the loading frame to center the magnetic steel sheet, a rack is symmetrically fixed to the inner side of the positioning plate, and a gear shaft that meshes with the rack is symmetrically rotatably connected to the bottom of the loading frame. A servo motor is installed on the outer side of the loading frame, and the output shaft end of the servo motor is fixedly connected to one of the gear shaft ends. An adjustment assembly is arranged between the loading frame and the fixed plate for adjusting the position of the loading frame.

[0010] To further explain, the adjustment assembly includes a vertical plate fixed to the top of the fixed plate, an adjustment screw is transversely threadedly connected to the vertical plate, and the end of the adjustment screw is rotatably connected to the loading frame.

[0011] Further explanation, the motor rotor magnetic steel assembly device also includes a cleaning component, which includes a fixed frame fixedly connected to the top of the workbench, a rodless cylinder III is installed on the inner side of the fixed frame, a movable seat is fixedly connected to the moving part of the rodless cylinder III, an electric slide rail is installed on the inner side of the movable seat, a cover plate is installed on the moving part of the electric slide rail, an annular nozzle is fixedly connected to the inner side of the cover plate along the circumferential direction to spray air into the rotor core, an air inlet pipe is fixedly connected to the cover plate, and the air outlet end of the air inlet pipe is connected and communicated with the annular nozzle, and a discharge assembly is arranged at the bottom of the workbench for collecting and discharging the fallen debris.

[0012] Further explanation, the discharge assembly includes a receiving hopper fixed to the bottom of the workbench, the receiving hopper is located directly below the electric rotating frame to collect the debris, and the bottom of the receiving hopper is connected to an inclined discharge pipe to discharge the debris.

[0013] Further explanation, the motor rotor magnetic steel assembly device also includes a vertical rod that is vertically slidably connected to the middle of the circular frame, and a conical block is fixed to the end of the vertical rod for positioning the rotor core. A connecting spring sleeved on the vertical rod is connected between the conical block and the circular frame.

[0014] An assembly method of a motor rotor magnetic steel assembly device comprises the following steps:

[0015] S1. Loading: first place the rotor core in the electric rotating frame and clamp it with the clamping plate, then adjust the loading frame to a suitable position according to the position of the magnetic steel slot of the rotor core, so that the discharge port of the loading frame is aligned with the magnetic steel slot on the far right of the rotor core, then put an appropriate amount of magnetic steel sheets into the loading frame, start the electric screw to drive the push plate to move to the left, and the push plate pushes the magnetic steel sheets to move to the left, so that the leftmost magnetic steel sheet contacts the left side of the loading frame, and the leftmost magnetic steel sheet falls downward and contacts the magnetic steel slot of the rotor core;

[0016] S2, assembly, start the rodless cylinder I to drive the magnetic inserting knife to move downward, the magnetic inserting knife moves downward to push the magnetic steel sheet to move downward and insert it into the magnetic steel slot of the rotor core to complete the assembly, then start the rodless cylinder I to drive the magnetic inserting knife to reset, and the electric rotating frame drives the rotor core to rotate so that the next magnetic steel slot is exactly corresponding to the discharge port of the loading frame, and then the next magnetic steel sheet can be inserted into the magnetic steel slot of the rotor core, and this can be repeated, and the magnetic steel slots of the rotor core can be continuously assembled with magnetic steel sheets;

[0017] S3, unloading. When the magnetic steel slots of the rotor core are all assembled with magnetic steel sheets, start the rodless cylinder II to drive the clamping plate to move to loosen the rotor core, and then remove the assembled rotor core from the electric rotating frame.

[0018] The beneficial effects of the present invention are:

[0019] 1. After the rotor core and magnetic steel sheets are placed, start the rodless cylinder I to drive the magnetic knife to move downward. The magnetic knife pushes the leftmost magnetic steel sheet downward and inserts it into the magnetic steel slot of the rotor core to complete the assembly. Then move the magnetic knife upward to reset, start the electric rotating frame to drive the rotor core to rotate, so that the next magnetic steel slot corresponds to the discharge port of the loading frame to assemble the magnetic steel sheet. In this way, magnetic steel sheets can be assembled on rotor cores with different numbers of slot holes to meet different needs, thereby improving adaptability.

[0020] 2. Under the action of the positioning plate, whenever the magnetic steel sheet is placed in the loading frame, the positioning plate can center the magnetic steel sheet. This can prevent the position of the magnetic steel sheet from deviating and affecting the assembly, thereby ensuring the precise assembly of the magnetic steel sheet.

[0021] 3. Under the action of the annular nozzle, whenever the rotor core is placed in the electric rotating frame, the cover plate covers the top of the rotor core, and the annular nozzle sprays air into the magnetic steel slot of the rotor core to remove the attached impurities, thereby preventing impurities in the magnetic steel slot of the rotor core from affecting the assembly of the magnetic steel sheets, thereby ensuring the smooth assembly of the magnetic steel sheets. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the electric push rod, the fixing plate and the circular frame of the present invention.

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the push plate and the electric screw of the present invention.

[0025] Figure 4 This is a structural separation diagram of the fixing plate, the circular frame and the charging frame of the present invention.

[0026] Figure 5 It is a plan view of the charging frame and the magnetic inserting knife of the present invention.

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the clamping assembly of the present invention.

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the positioning component of the present invention.

[0029] Figure 8 It is a three-dimensional structural schematic diagram of the rack, gear shaft and servo motor of the present invention.

[0030] Fig. 9 It is a three-dimensional structural schematic diagram of the cleaning component of the present invention.

[0031] Fig.10 It is a schematic diagram of the three-dimensional structure of the conical block of the present invention.

[0032] Among them, the above-mentioned drawings include the following drawing marks: 1. workbench, 2. electric rotating frame, 3. movable frame, 4. electric push rod, 5. fixed plate, 51. round frame, 6. loading frame, 7. rodless cylinder I, 8. magnetic knife, 9. limit plate, 10. push plate, 11. electric screw, 12. rodless cylinder II, 121. clamping plate, 13. positioning plate, 131. adjusting screw, 1301. vertical plate, 132. rack, 133. gear shaft, 134. servo motor, 14. fixed frame, 141. rodless cylinder III, 142. movable seat, 143. electric slide rail, 144. cover plate, 145. air inlet pipe, 146. annular nozzle, 147. receiving hopper, 148. discharge pipe, 15. vertical rod, 16. conical block, 17. connecting spring. DETAILED DESCRIPTION

[0033] First of all, it should be pointed out that in the different described embodiments, the same parts are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to the same parts with the same reference numerals or the same component names. Selected positional descriptions in the description, such as top, bottom, lateral, etc., also refer to the directly described and shown figures and are transferred to the new positions in the case of a change in position.

[0034] Embodiment: A motor rotor magnetic steel assembly device and assembly method, please refer to Figure 1-Figure 8As shown, it includes a workbench 1 and an electric push rod 4 fixedly connected to the left rear side of the workbench 1, the telescopic rod end of the electric push rod 4 is fixedly connected to a movable frame 3, and an electric rotating frame 2 is installed on the top of the movable frame 3. The electric rotating frame 2 is composed of a frame body and a motor, wherein the motor is installed in the middle of the top of the movable frame 3, and the frame body is fixedly connected to the output shaft end of the motor. A fixed plate 5 is fixedly connected to the right side of the top of the workbench 1, and a round frame 51 is fixedly connected to the left side of the bottom of the fixed plate 5. The right side of the round frame 51 and the left side of the fixed plate 5 are both provided with openings for magnetic steel sheets to pass through. The round frame 51 is located directly above the electric rotating frame 2, and also includes a loading frame 6, a rodless cylinder Ⅰ7, a magnetic knife 8, a limit plate 9, a push plate 10, an electric screw 11, a clamping assembly and a positioning assembly. The clamping assembly is installed on the electric rotating frame 2. When the clamping assembly is in operation, the clamping assembly can clamp and fix the rotor core. The loading frame 6 is horizontally slidably connected to the right side of the top of the fixed plate 5, and the loading frame 6 can be realized. The magnetic steel sheets are now placed. A discharge port is opened on the left side of the bottom of the loading frame 6. The discharge port of the loading frame 6 corresponds to the opening of the fixed plate 5. The left side of the bottom of the loading frame 6 is stepped. A limit plate 9 is fixed to the left side of the top of the transfer frame. A push plate 10 is slidably connected between the front and rear sides of the loading frame 6. An electric screw 11 is installed on the upper front side of the loading frame 6. The electric screw 11 is threadedly connected to the front side of the push plate 10. A rodless cylinder Ⅰ7 is installed on the left side of the outside of the loading frame 6. A magnetic inserting knife 8 is fixedly connected to the moving part of the rodless cylinder Ⅰ7, and the magnetic inserting knife 8 is located just above the discharge port of the loading frame 6. Every time the electric rotating frame 2 drives the rotor core to rotate once, the rodless cylinder Ⅰ7 pushes the leftmost magnetic steel sheet downward and inserts it into the magnetic steel slot of the rotor core, so that each magnetic steel slot of the rotor core is equipped with a magnetic steel sheet. The positioning assembly is installed on the loading frame 6. When the positioning assembly is in operation, the positioning assembly can realize the positioning of the magnetic steel sheet.

[0035] See also Figure 6 As shown, the clamping assembly includes a rodless cylinder II 12 and a clamping plate 121. Four rodless cylinders II 12 are evenly spaced apart at the bottom of the electric rotating frame 2. The clamping plates 121 are fixedly connected to the moving parts of the four rodless cylinders II 12. When the clamping plates 121 move and contact with the rotor core, the clamping plates 121 can clamp and fix the rotor core.

[0036] See also Figure 7 and Figure 8As shown, the positioning assembly includes a positioning plate 13, an adjustment assembly, a rack 132, a gear shaft 133 and a servo motor 134. The lower parts of the front and rear sides of the loading frame 6 are slidably connected with the positioning plates 13. When the positioning plates 13 move and contact with the magnetic steel sheet, the positioning plates 13 can realize the centering of the magnetic steel sheet. The lower parts of the inner sides of the front and rear side positioning plates 13 are both symmetrically fixed with racks 132. The outer bottom of the loading frame 6 is symmetrically rotated with a gear shaft 133. The gear shaft 133 is meshed with two adjacent racks 132. The outer bottom of the loading frame 6 A servo motor 134 is installed on the right side of the part, and the output shaft end of the servo motor 134 is fixedly connected to the bottom end of the right gear shaft 133. An adjusting component is arranged between the loading frame 6 and the fixed plate 5. When the adjusting component is in operation, the adjusting component can adjust the position of the loading frame 6; the adjusting component includes an adjusting screw 131 and a vertical plate 1301. The vertical plate 1301 is fixedly connected to the right side of the top of the fixed plate 5, and the adjusting screw 131 is horizontally threaded on the vertical plate 1301. The left end of the adjusting screw 131 is rotatably connected to the outer right side surface of the loading frame 6.

[0037] First, place the rotor core inside the electric rotating frame 2, start the rodless cylinder II 12 to drive the four clamps 121 to move toward the rotor core, the four clamps 121 are in contact with the rotor core, and the four clamps 121 clamp the rotor core, close the rodless cylinder II 12, and then start the electric push rod 4. The telescopic rod of the electric push rod 4 is shortened to drive the movable frame 3 to move upward, and the movable frame 3 drives the electric rotating frame 2 to move upward. The electric rotating frame 2 drives the rotor core to move upward. When the rotor core moves upward and contacts the top of the circular frame 51, close the electric push rod 4, and then twist the adjusting screw 131 to drive the loading frame 6 to move. When the discharge port of the loading frame 6 is exactly corresponding to the rightmost magnetic steel slot of the rotor core, stop twisting the adjusting screw 131, and the loading frame 6 stops moving, then puts an appropriate amount of magnetic steel sheets into the loading frame 6, the magnetic steel sheet on the far right contacts the push plate 10, then starts the servo motor 134 to drive the right gear shaft 133 to reverse, the right gear shaft 133 reverses to drive the front and rear racks 132 to move towards each other, the front and rear racks 132 drive the front and rear positioning plates 13 to move towards each other, the front and rear positioning plates 13 contact the magnetic steel sheets, and the magnetic steel sheets are centered, so that the position deviation of the magnetic steel sheets can be prevented from affecting the assembly, thereby ensuring the accurate assembly of the magnetic steel sheets, turning off the servo motor 134, the front and rear positioning plates 13 stop moving, then starts the electric screw 11 to rotate forward to drive the push plate 10 to move left, and the push plate 10 moves left The magnetic steel sheet in the loading frame 6 is pushed to the left. When the leftmost magnetic steel sheet contacts the left side of the loading frame 6, the push plate 10 is closed, and the leftmost magnetic steel sheet moves downward through the discharge port of the loading frame 6 and contacts the magnetic steel slot of the rotor core, and the second magnetic steel sheet from the left moves downward to the stepped position of the loading frame 6 and contacts it, which is lower than the height of the remaining magnetic steel sheets, so that the magnetic steel sheet pushes the leftmost magnetic steel sheet downward. Then the rodless cylinder Ⅰ7 is started to drive the magnetic knife 8 to move downward and contact the leftmost magnetic steel sheet. The magnetic knife 8 continues to move downward to insert the leftmost magnetic steel sheet into the magnetic steel slot of the rotor core to complete the assembly. After the leftmost magnetic steel sheet is completely inserted into the magnetic steel slot of the rotor core, the electric rotating frame 2 is started to drive the rotor core to rotate through the clamping plate 121, so that the rotor The next magnetic steel slot of the sub-core rotates to correspond to the discharge port of the charging frame 6, the electric rotating frame 2 is closed, and the rodless cylinder Ⅰ7 is started to drive the magnetic knife 8 to move upward and reset. Due to the limitation of the magnetic steel sheet by the limit plate 9, it can prevent the magnetic knife 8 from moving upward and driving the magnetic steel sheet to move upward and affect subsequent use. The electric screw 11 is started again to drive the push plate 10 to move left, so that the next magnetic steel sheet contacts the left side of the charging frame 6, and the magnetic steel sheet falls downward and contacts the magnetic steel slot of the rotor core. According to the above operation, the magnetic knife 8 can insert the magnetic steel sheet into the magnetic steel slot of the rotor core again, and this is repeated. When each magnetic steel sheet is inserted into the magnetic steel slot of the rotor core, the rotor core rotates once so that the next magnetic steel slot corresponds to the discharge port of the charging frame 6.In other words, magnetic steel sheets can be installed on rotor cores with different numbers of slots to meet different needs, thereby improving adaptability. When the magnetic steel slots of the rotor core are all installed with magnetic steel sheets, the electric push rod 4 is started, and the telescopic rod of the electric push rod 4 is extended to drive the movable frame 3 to move downward, and the movable frame 3 drives the electric rotating frame 2 to move downward, and the electric rotating frame 2 drives the rotor core to move downward and reset through the clamping plate 121, and the rotor core is disengaged from the round frame 51, and then the rodless cylinder II 12 is started to drive the four clamping plates 121 to move away from each other and reset, and the clamping plates 121 loosen the rotor core, so that the rotor core can be removed from the electric rotating frame 2, and then the next rotor core can be removed from the electric rotating frame 2. The core is placed in the electric rotating frame 2, and the magnetic steel sheets can be assembled into the rotor core according to the above operation. When all the magnetic steel sheets in the loading frame 6 are used up, the servo motor 134 is started to drive the right gear shaft 133 to rotate forward, and the right gear shaft 133 drives the front and rear positioning plates 13 to move away from each other through the rack 132 to reset. The electric screw 11 is started to reverse and drive the push plate 10 to move rightward to reset. Another batch of magnetic steel sheets is placed, and the servo motor 134 is started again, so that the front and rear clamping plates 121 can center the magnetic steel sheets.

[0038] See also Fig. 9 As shown, the motor rotor magnetic steel assembly device and assembly method also include a cleaning component installed on the workbench 1, the cleaning component includes a fixed frame 14, a rodless cylinder III 141, a movable seat 142, an electric slide rail 143, a cover plate 144, an air inlet pipe 145, an annular nozzle 146 and a discharge component, the top left front side of the workbench 1 is fixedly connected to the fixed frame 14, the inner side of the fixed frame 14 is installed with a rodless cylinder III 141, the moving part of the rodless cylinder III 141 is fixedly connected with a movable seat 142, the inner side of the movable seat 142 is installed with an electric slide rail 143, the moving part of the electric slide rail 143 is installed with a cover plate 144, and the inner side of the cover plate 144 is fixedly connected with an annular nozzle 146 along the circumferential direction. 46, the annular nozzle 146 can spray air into the rotor core, the cover plate 144 is fixedly connected with an air inlet pipe 145, the air outlet end of the air inlet pipe 145 is connected and communicated with the annular nozzle 146, a discharge assembly is arranged at the bottom of the workbench 1, the discharge assembly can collect and discharge the fallen debris; the discharge assembly includes a receiving hopper 147 and a discharge pipe 148, a receiving hopper 147 is fixedly connected to the left side of the bottom of the workbench 1, the receiving hopper 147 is located directly below the electric rotating frame 2, the receiving hopper 147 can collect the debris, the middle of the bottom of the receiving hopper 147 is connected with a discharge pipe 148, the discharge pipe 148 is inclined, and the discharge pipe 148 can discharge the debris.

[0039] First, connect the air intake pipe 145 to an external air pump, and place the collecting container below the discharge end of the discharge pipe 148. When the rotor core is placed in the electric rotating frame 2, start the rodless cylinder III 141 to drive the movable seat 142 to move backward. The movable seat 142 moves backward and drives the cover plate 144 to move backward. The cover plate 144 drives the annular nozzle 146 to move backward. When the cover plate 144 moves backward to just above the rotor core, close the rodless cylinder III 141, and then start the electric slide rail 143 to drive the cover plate 144 to move downward. The cover plate 144 moves downward and drives the annular nozzle 146 to move downward. When the cover plate 144 moves downward to cover the top of the rotor core, close the electric slide rail 143, the cover plate 144 stops moving downward, and start the external air pump to discharge the air into the air intake pipe 145. The air in the air intake pipe 145 is discharged into the annular nozzle 146, and the annular nozzle 146 sprays the air into the magnetic steel groove of the rotor core. The impurities in the rotor core are removed by air flow, and the removed impurities fall into the receiving hopper 147. The impurities in the receiving hopper 147 are discharged into the discharge pipe 148. Since the discharge pipe 148 is inclined, the discharge pipe 148 discharges the impurities into the collection container. When the impurities in the magnetic steel groove of the rotor core are cleaned up, the external air pump is turned off, the air stops being discharged into the air inlet pipe 145, and the annular nozzle 146 stops spraying air. The electric slide rail 143 is started again to drive the cover plate 144 to move upward and reset, and the cover plate 144 drives the annular nozzle 146 to move upward and reset, and the electric slide rail 143 is closed. Then the rodless cylinder III 141 is started to drive the movable seat 142 to move forward and reset, and the movable seat 142 drives the cover plate 144 to move forward and reset, and the cover plate 144 drives the annular nozzle 146 to move forward and reset, and the rodless cylinder III 141 is closed, and the magnetic steel sheets on the rotor core can be assembled. In this way, impurities in the magnetic steel slots of the rotor core can be prevented from affecting the assembly of the magnetic steel sheets, thereby ensuring the smooth assembly of the magnetic steel sheets.

[0040] See also Fig.10 As shown, the motor rotor magnetic steel assembly device and assembly method also include a vertical rod 15, a conical block 16 and a connecting spring 17. The vertical rod 15 is vertically slidably connected to the middle of the round frame 51, and the conical block 16 is fixed to the bottom end of the vertical rod 15. When the conical block 16 contacts the center hole of the rotor core, the conical block 16 can position the rotor core. A connecting spring 17 is connected between the top of the conical block 16 and the top of the round frame 51, and the connecting spring 17 is sleeved on the vertical rod 15.

[0041] When the electric rotating frame 2 drives the rotor core to move upward, the center hole of the rotor core contacts the conical block 16, and the conical block 16 further positions the rotor core. As the rotor core continues to move upward and contacts the round frame 51, the rotor core drives the conical block 16 to move upward, and the connecting spring 17 is compressed. When the electric rotating frame 2 drives the rotor core to move downward to reset, the rotor core is out of contact with the conical block 16, and the conical block 16 moves downward to reset due to the action of the connecting spring 17. In this way, the rotor core can be further positioned, so that the rotor core can be more stably assembled with the magnetic steel sheet.

[0042] An assembly method of a motor rotor magnetic steel assembly device comprises the following steps:

[0043] S1, loading, first put the rotor core in the electric rotating frame 2 and clamp it with the clamping plate 121, then adjust the loading frame 6 to a suitable position according to the position of the magnetic steel slot of the rotor core, so that the discharge port of the loading frame 6 is aligned with the magnetic steel slot on the far right of the rotor core, then put a proper amount of magnetic steel sheets into the loading frame 6, start the electric screw 11 to drive the push plate 10 to move to the left, and the push plate 10 pushes the magnetic steel sheets to move to the left, so that the leftmost magnetic steel sheet contacts the left side of the loading frame 6, and the leftmost magnetic steel sheet falls downward and contacts the magnetic steel slot of the rotor core;

[0044] S2, assembly, start the rodless cylinder Ⅰ7 to drive the magnetic inserting knife 8 to move downward, the magnetic inserting knife 8 moves downward to push the magnetic steel sheet to move downward and insert it into the magnetic steel slot of the rotor core to complete the assembly, then start the rodless cylinder Ⅰ7 to drive the magnetic inserting knife 8 to reset, and the electric rotating frame 2 drives the rotor core to rotate so that the next magnetic steel slot is exactly corresponding to the discharge port of the charging frame 6, and then the next magnetic steel sheet can be inserted into the magnetic steel slot of the rotor core, and this is repeated, and the magnetic steel slots of the rotor core can be continuously equipped with magnetic steel sheets;

[0045] S3, unloading. When the magnetic steel slots of the rotor core are all assembled with magnetic steel sheets, the rodless cylinder II 12 is started to drive the clamping plate 121 to move to loosen the rotor core, and then the assembled rotor core is removed from the electric rotating frame 2.

[0046] Finally, it is necessary to point out that the above content is only used to help understand the technical solution of the present invention and cannot be understood as limiting the scope of protection of the present invention; non-essential improvements and adjustments made by technical personnel in the field of technology based on the above content of the present invention are all within the scope of protection required by the present invention.

Claims

1. A motor rotor magnetic steel assembly device, comprising a workbench (1) and an electric push rod (4) fixedly connected to the workbench (1), the telescopic rod end of the electric push rod (4) is fixedly connected to a movable frame (3), an electric rotating frame (2) is installed on the movable frame (3), a fixed plate (5) is fixedly connected to the top of the workbench (1), a round frame (51) located directly above the electric rotating frame (2) is fixedly connected to the bottom of the fixed plate (5), and openings for magnetic steel sheets to pass through are opened on the right side of the round frame (51) and the left side of the fixed plate (5), characterized in that: It also includes a loading frame (6), a rodless cylinder I (7), a magnetic knife (8), a limit plate (9), a push plate (10), an electric screw (11), a clamping assembly and a positioning assembly. The clamping assembly is installed on the electric rotating frame (2) and is used to clamp and fix the rotor core. The top of the fixed plate (5) is horizontally slidably connected to the loading frame (6) to place the magnetic steel sheet. The bottom left side of the loading frame (6) is provided with a discharge port corresponding to the opening of the fixed plate (5). The top of the rotating frame is fixedly connected to the limit plate (9). The inner side of the loading frame (6) is slidably connected to the push plate (10). The loading frame (6) is provided with a An electric screw (11) is installed, and the electric screw (11) is threadedly connected to the push plate (10). A rodless cylinder I (7) is installed on the outer side of the loading frame (6). The moving part of the rodless cylinder I (7) is fixedly connected to a magnetic inserting knife (8) located just above the discharge port of the loading frame (6). Each time the electric rotating frame (2) drives the rotor core to rotate once, the rodless cylinder I (7) pushes the leftmost magnetic steel sheet to move downward and insert it into the magnetic steel slot of the rotor core, so that each magnetic steel slot of the rotor core is equipped with a magnetic steel sheet. The positioning assembly is installed on the loading frame (6) and is used to position the magnetic steel sheet. The clamping assembly comprises rodless cylinders II (12) evenly spaced and installed at the bottom of the electric rotating frame (2), and a clamping plate (121) is fixedly connected to the moving part of the rodless cylinders II (12) for clamping and fixing the rotor core; The positioning assembly comprises a positioning plate (13) which is slidably connected to both sides of the loading frame (6) so as to center the magnetic steel sheet; a rack (132) is symmetrically fixedly connected to the inner side of the positioning plate (13); a gear shaft (133) meshing with the rack (132) is symmetrically rotatably connected to the bottom of the loading frame (6); a servo motor (134) is installed on the outer side of the loading frame (6); the output shaft end of the servo motor (134) is fixedly connected to one end of the gear shaft (133); an adjustment assembly is arranged between the loading frame (6) and the fixed plate (5) for adjusting the position of the loading frame (6); The adjusting assembly comprises a vertical plate (1301) fixedly connected to the top of the fixed plate (5), an adjusting screw rod (131) is transversely threadedly connected to the vertical plate (1301), and the end of the adjusting screw rod (131) is rotatably connected to the charging frame (6).

2. A motor rotor magnetic steel assembly device as claimed in claim 1, characterized in that: The motor rotor magnetic steel assembly device also includes a cleaning component, which includes a fixed frame (14) fixedly connected to the top of the workbench (1), a rodless cylinder III (141) is installed inside the fixed frame (14), a movable seat (142) is fixedly connected to the moving part of the rodless cylinder III (141), an electric slide rail (143) is installed inside the movable seat (142), a cover plate (144) is installed on the moving part of the electric slide rail (143), an annular nozzle (146) is fixedly connected to the inner side of the cover plate (144) along the circumferential direction so as to spray air into the rotor core, an air inlet pipe (145) is fixedly connected to the cover plate (144), and the air outlet end of the air inlet pipe (145) is connected and communicated with the annular nozzle (146), and a discharge component is arranged at the bottom of the workbench (1) for collecting and discharging the fallen debris.

3. A motor rotor magnetic steel assembly device as claimed in claim 2, characterized in that: The discharge assembly comprises a receiving hopper (147) fixedly connected to the bottom of the workbench (1). The receiving hopper (147) is located directly below the electric rotating frame (2) to collect the debris. The bottom of the receiving hopper (147) is connected to an inclined discharge pipe (148) to discharge the debris.

4. A motor rotor magnetic steel assembly device as claimed in claim 3, characterized in that: The motor rotor magnetic steel assembly device also includes a vertical rod (15) that is vertically slidably connected to the middle of the circular frame (51), a conical block (16) is fixedly connected to the end of the vertical rod (15) for positioning the rotor core, and a connecting spring (17) that is sleeved on the vertical rod (15) is connected between the conical block (16) and the circular frame (51).

5. The method for assembling a motor rotor magnetic steel assembly device according to claim 4, characterized in that: The following steps are involved: S1, loading, firstly, the rotor core is placed in the electric rotating frame (2) and clamped and fixed by the clamping plate (121), then the loading frame (6) is adjusted to a suitable position according to the position of the magnetic steel slot of the rotor core, so that the discharge port of the loading frame (6) is aligned with the magnetic steel slot on the far right of the rotor core, then a proper amount of magnetic steel sheets are placed in the loading frame (6), the electric screw (11) is started to drive the push plate (10) to move leftward, and the push plate (10) pushes the magnetic steel sheets to move leftward, so that the leftmost magnetic steel sheet contacts the left side of the loading frame (6), and the leftmost magnetic steel sheet falls downward and contacts the magnetic steel slot of the rotor core; S2, assembly, start the rodless cylinder I (7) to drive the magnetic inserting knife (8) to move downward, the magnetic inserting knife (8) moves downward to push the magnetic steel sheet to move downward and insert it into the magnetic steel slot of the rotor core to complete the assembly, then start the rodless cylinder I (7) to drive the magnetic inserting knife (8) to reset, and the electric rotating frame (2) drives the rotor core to rotate so that the next magnetic steel slot is exactly aligned with the discharge port of the loading frame (6), and then the next magnetic steel sheet can be inserted into the magnetic steel slot of the rotor core, and this process is repeated, and the magnetic steel slots of the rotor core can be continuously assembled with magnetic steel sheets; S3, unloading. When the magnetic steel slots of the rotor core are all assembled with magnetic steel sheets, the rodless cylinder II (12) is started to drive the clamping plate (121) to move and loosen the rotor core, and then the assembled rotor core is removed from the electric rotating frame (2).

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