An automatic spacer paper inserting machine and method for stator production

Abstract

The present invention provides an automatic spacer paper inserting machine for stator production, which is used for inserting spacer paper into the slot grooves of a stator core, and includes: a frame, which includes a first mounting plate and a second mounting plate arranged directly above the first mounting plate; a conveying mechanism, which is arranged on the first mounting plate and is used for moving the stator core to be inserted with spacer paper to the paper inserting station and conveying the stator core that has completed the insertion of spacer paper out; a lifting mechanism, which is arranged at the paper inserting station of the first mounting plate and is used for lifting the stator core on the conveying mechanism to a certain height; a rotary driving mechanism, which is arranged on the lower surface of the second mounting plate and is used for driving the lifted stator core on the lifting mechanism to rotate; a paper inserting mechanism, which is arranged on the upper surface of the second mounting plate and is used for inserting spacer paper into the slot grooves of the lifted stator core, and can realize the insertion of spacer paper into all slot grooves by cooperating with the rotary driving mechanism.

Description

Technical Field

[0001] The present invention relates to the field of stator production, and particularly to an automatic spacer paper inserting machine and method for stator production. Background Art

[0002] Spacer paper is used in the stator of an electric motor to separate different phases and play an insulating role. Currently, when inserting paper, it is mostly done by inserting paper from one end to the other end. In this case, inserting paper needs to be done one slot at a time, resulting in low efficiency. Summary of the Invention

[0003] The main object of the present invention is to provide an automatic spacer paper inserting machine and method for stator production, which can complete paper insertion fully automatically and quickly.

[0004] To achieve the above object, the technical solution adopted by the present invention is: an automatic spacer paper inserting machine for stator production, used for inserting spacer paper into the slots of a stator core, comprising:

[0005] A frame, comprising a first mounting plate and a second mounting plate arranged directly above the first mounting plate;

[0006] A conveying mechanism, arranged on the first mounting plate, used for moving the stator core to be inserted with spacer paper to the paper insertion station and conveying the stator core that has completed spacer paper insertion out;

[0007] A jacking mechanism, arranged at the paper insertion station of the first mounting plate, used for jacking up the stator core on the conveying mechanism to a certain height;

[0008] A rotation driving mechanism, arranged on the lower surface of the second mounting plate, used for driving the jacked-up stator core on the jacking mechanism to rotate;

[0009] A paper inserting mechanism, arranged on the upper surface of the second mounting plate, used for inserting spacer paper into the slots of the jacked-up stator core, and by cooperating with the rotation driving mechanism, can achieve inserting spacer paper into all slots.

[0010] Preferably, the conveying mechanism comprises:

[0011] A conveying frame;

[0012] Two track plates, arranged on the conveying frame and the first mounting plate, the two track plates are arranged in parallel along the conveying direction, the plane of each track plate is a vertical plane, and there is a certain distance between the two track plates; a row of rotatable rollers is arranged along the conveying direction on the inner side of each track plate, the two rows of rollers on the two track plates are at the same height, and the stator core can be supported on the two rows of rollers;

[0013] Two rows of clips, with the two rows of clips corresponding to each other one by one. The corresponding clips form a group, and the clips in the same group can clamp the stator core located on the roller; Each row of clips is installed on the same linkage plate, and the linkage plates of the two rows of clips are connected. The linkage plate can move back and forth along the conveying direction, and then clamp the stator core through the clips, and can drive the stator core to move in the conveying direction.

[0014] Preferably, the lifting mechanism includes:

[0015] A rotating support plate, which is rotatably and vertically movably arranged on the conveying path of the stator core;

[0016] Multiple lifting rods, which are arranged on the rotating support plate and extend upward;

[0017] A first positioning rod, which is arranged at the upper end of the lifting rod. There are multiple perforations extending up and down around the stator core. The diameter of the lifting rod is larger than the diameter of the perforation, and the diameter of the first positioning rod is equal to or slightly smaller than the diameter of the perforation. The number of lifting rods is the same as the number of perforations, and the first positioning rod can be inserted into the corresponding perforation.

[0018] Preferably, the rotation driving mechanism includes:

[0019] A rotating wheel, which is rotatably arranged on the lower surface of the second mounting plate. The rotating wheel has a cylindrical structure, and the axis of the rotating wheel is collinear with the rotation axis of the rotating support plate;

[0020] Multiple driving rods, which are arranged on the lower end surface of the rotating wheel and extend up and down. There are multiple driving cylinders arranged on the upper surface of the rotating support plate. When the rotating support plate moves upward, the lower end of the driving rod can be inserted into the driving cylinder. When the rotating wheel rotates, it can drive the rotating support plate to rotate.

[0021] Preferably, the paper inserting mechanism includes:

[0022] A paper storage box, which is arranged on the upper surface of the second mounting plate and is used to store the phase separation paper to be used. The paper is rectangular, and the phase separation paper in the paper storage box is stacked horizontally. There is an opening on one side of the paper storage box;

[0023] A paper picking mechanism, which is arranged on the upper surface of the second mounting plate and is used to pick out the paper from the opening of the paper storage box;

[0024] A paper feeding mechanism, which is arranged on the upper surface of the second mounting plate and is used to receive the phase separation paper on the paper picking mechanism and send the received phase separation paper into the stator core;

[0025] A paper pushing mechanism, which is arranged on the upper surface of the second mounting plate and is used to push the phase separation paper on the paper feeding mechanism into the wire groove.

[0026] Preferably, the paper picking mechanism includes:

[0027] A suction nozzle, which is arranged on the upper surface of the second mounting plate and can move along a first direction and a second direction. The first direction is parallel to the horizontal direction in which the paper storage box and the paper feeding mechanism are arranged, and the second direction is the horizontal direction perpendicular to the first direction. The suction nozzle extends along the second direction and the working end faces the paper storage box and the paper feeding mechanism.

[0028] Preferably, the paper feeding mechanism includes:

[0029] A paper feeding plate, which can move back and forth along the up-and-down direction and the second direction. When viewed from above, the paper feeding plate is in an arc shape with an opening towards the suction nozzle side. On both sides of the paper feeding plate along the first direction, there are curled edges, and the curled edges are formed on the side of the paper feeding plate facing the suction nozzle. After the suction nozzle picks up the spacer paper from the paper storage box, it moves to a position directly opposite the paper feeding plate in the second direction. The suction nozzle moves towards the paper feeding plate. When the suction nozzle moves to a predetermined position, both sides of the spacer paper will be stuck into the corresponding curled edges; when viewed along the second direction, the paper feeding plate is in a U-shaped with a downward opening, and a relief notch is formed in the middle part of the U-shape. Through the relief notch, the paper pushing mechanism can push the spacer paper on the paper feeding plate into the wire grooves of the stator core.

[0030] Preferably, there are two suction nozzles, which are arranged vertically; the paper picking mechanism further includes arc-shaped blocks, and each suction nozzle corresponds to one arc-shaped block. When viewed from above, the side of the arc-shaped block facing the paper feeding plate is in an arc shape, and the diameter of the arc is the same as that of the arc of the paper feeding plate; the positions of the arc-shaped blocks and the suction nozzles in the second direction are configured such that when the suction nozzle picks up paper from the paper storage box and when the suction nozzle contacts the spacer paper, the arc-shaped blocks are on the side opposite to the spacer paper with respect to the stop rod. When the suction nozzle puts the spacer paper into the paper feeding plate and when both sides of the spacer paper contact the curled edges, the arc-shaped blocks can push the spacer paper further into the arc of the paper feeding plate until both sides of the spacer paper enter the curled edges.

[0031] The present invention also provides an automatic spacer paper inserting method for stator production, which uses the above automatic spacer paper inserting machine, and specifically includes the following steps:

[0032] Step 1: The conveying mechanism conveys the stator core to be inserted with paper to the paper inserting station.

[0033] Step 2: The lifting mechanism lifts the stator core upwards to a certain height.

[0034] Step 3: The paper picking mechanism picks up the spacer paper from the paper storage box and sends it to the paper feeding plate.

[0035] Step 4: The paper feeding plate moves downwards to send the paper into the stator core.

[0036] Step 5: The paper delivery board moves a certain distance in the direction of the wire groove where the paper is to be inserted;

[0037] Step 6: The paper pushing mechanism moves towards the paper delivery board and pushes the phase separation paper into the wire groove;

[0038] Step 7: The paper pushing mechanism retracts;

[0039] Step 8: The paper delivery board moves up a certain distance;

[0040] Step 9: The rotation drive mechanism drives the stator core to rotate a certain angle, and returns to Step 1 until all the wire grooves are completed with paper insertion.

[0041] Compared with the prior art, the present invention has the following beneficial effects:

[0042] The present invention can achieve automatic paper insertion of the phase separation paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figures 1-3 are perspective views of different angles of the present invention;

[0044] Figure 4 is a structural diagram of the conveying mechanism and the lifting mechanism of the present invention;

[0045] Figure 5 is an enlarged view of A;

[0046] Figure 6 is an enlarged view of B;

[0047] Figure 7 is a structural diagram of the rotation drive mechanism;

[0048] Figure 8 is an enlarged view of C;

[0049] Figure 9 is an enlarged view of D;

[0050] Figure 10 is a structural diagram of the paper insertion mechanism;

[0051] Figure 11 is an enlarged view of E;

[0052] Figure 12 is a structural diagram of the paper delivery mechanism;

[0053] Figure 13 is a structural diagram of the paper pushing mechanism;

[0054] Figure 14 is a structural diagram of the suction nozzle and the arc-shaped block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0055] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations.

[0056] An automatic paper inserting machine for stator production includes a frame 1 and a conveying mechanism 2, a lifting mechanism 3, a rotary driving mechanism 4, and a paper inserting mechanism 5 provided on the frame 1. The conveying mechanism 2 is used to convey the stator core 100 to be inserted with paper to a designated position and continue to convey the stator core 100 after paper insertion downstream. The lifting mechanism 3 is used to lift the stator core 100 to be inserted with paper at the designated position into the rotary driving mechanism 4 and place the stator core 100 back into the conveying mechanism 2 after paper insertion. The rotary driving mechanism 4 is used to drive the stator core 100 lifted by the lifting mechanism 3 to rotate. By rotating the stator core 100, the wire grooves on the stator core 100 are moved to a predetermined position. The paper inserting mechanism 5 is used to insert paper into the wire grooves located at the predetermined position. The stator core 100 rotates a predetermined angle each time until all the wire grooves are inserted with paper.

[0057] The frame 1 includes a first mounting plate 101 and a second mounting plate 102, and the second mounting plate 102 is located directly above the first mounting plate 101.

[0058] The conveying mechanism 2 includes a conveying frame 201 and two track plates 202 provided on the conveying frame 201 and the first mounting plate 101. The two track plates 202 are arranged in parallel along the conveying direction. The plane where each track plate 202 is located is a vertical plane, and there is a certain distance between the two track plates 202. A row of rotatable rollers 203 is provided along the inner side of each track plate 202 in the conveying direction. The two rows of rollers 203 on the two track plates 202 are at the same height, and the stator core 100 can be supported on the two rows of rollers 203.

[0059] The conveying mechanism 2 further includes two rows of clips 204. The two rows of clips 204 correspond to each other, and the corresponding clips 204 are in a group. The clips 204 in the same group can clamp the stator core 100 located on the rollers 203. Each row of clips 204 is installed on the same linkage plate 205. The linkage plates 205 of the two rows of clips 204 are connected. The linkage plate 205 can move back and forth along the conveying direction, and thus clamp the stator core 100 through the clips 204, and can drive the stator core 100 to move in the conveying direction. The linkage plate 205 is driven by a linkage cylinder 206 or can also be driven by an electric cylinder.

[0060] The lifting mechanism 3 includes a rotating support plate 301 that is rotatably and vertically movable on the conveying path of the stator core 100, a plurality of lifting rods 302 that are arranged on the rotating support plate 301 and extend upward, and a first positioning rod 304 that is arranged at the upper end of the lifting rod 302. The upward and downward movement of the rotating support plate 301 is driven by a lifting cylinder 305. A plurality of vertically extending through-holes are provided around the stator core 100. The diameter of the lifting rod 302 is larger than the diameter of the through-holes, and the diameter of the first positioning rod 304 is equal to or slightly smaller than the diameter of the through-holes. The number of lifting rods 302 is the same as the number of through-holes. After the stator core 100 is moved into position, the rotating support plate 301 moves upward, the first positioning rod 304 is inserted into the through-holes, and the lifting rod 302 pushes the stator core 100 upward to a predetermined position.

[0061] The rotary drive mechanism 4 includes a rotating wheel 401 rotatably disposed on the lower surface of the second mounting plate 102. The rotating wheel 401 is a cylindrical structure, and the axis of the rotating wheel 401 is collinear with the rotation axis of the rotating support plate 301. A plurality of driving rods 403 extending vertically are disposed on the lower end surface of the rotating wheel 401, and a plurality of driving cylinders 303 are disposed on the upper surface of the rotating support plate 301. When the rotating support plate 301 moves upward, the lower ends of the driving rods 403 can be inserted into the driving cylinders 303. When the rotating wheel 401 rotates, it can drive the rotating support plate 301 to rotate, and further drive the stator core 100 located thereon to rotate. The rotating wheel 401 is driven by a motor combined with a belt.

[0062] To prevent the rotating support plate 301 from rotating when idle, a locking mechanism (not shown) can be provided. The locking mechanism can be a locking rod disposed below the rotating support plate 301 and capable of moving up and down with the rotating support plate 301. A positioning hole can be provided on the rotating support plate 301. When the rotating support plate 301 needs to be locked, the locking rod is inserted into the positioning hole. When the locking is no longer required, the locking rod is removed from the positioning hole. Of course, other locking methods can also be used in practice.

[0063] An operating hole 103 is provided on the second mounting plate 102 at a position corresponding to the rotating wheel 401 . When the stator core 100 is lifted, its upper end is exposed from the operating hole 103 , so that the paper insertion mechanism 5 can insert paper into the stator core 100 .

[0064] The paper inserting mechanism 5 includes a paper storage box 501 arranged on the upper surface of the second mounting plate 102, a paper picking mechanism 52, a paper feeding mechanism 54, and a paper pushing mechanism 55. The paper storage box 501 is used to store the paper 200 for paper insertion. The paper is rectangular, and the papers in the paper storage box 501 are stacked horizontally. An opening 502 is provided on one side of the paper storage box 501 facing the paper picking mechanism 52. Two vertically extending stop bars 503 are provided inside the paper storage box 501 at the position of the opening 502. The stop bars 503 are used to prevent the paper 200 from falling out of the opening 502 by itself. A mechanism for pushing the paper 200 towards the opening 502 is provided inside the paper storage box 501, which can make the paper always abut against the stop bars 503.

[0065] The paper picking mechanism 52 includes a suction nozzle 523 arranged on the upper surface of the second mounting plate 102 and capable of moving along a first direction and a second direction. The first direction is parallel to the horizontal direction in which the paper storage box 501 and the paper feeding mechanism 54 are arranged, and the second direction is the horizontal direction perpendicular to the first direction. The suction nozzle 523 extends along the second direction and its working end faces the paper storage box 501 and the paper feeding mechanism 54. When paper picking is required, the suction nozzle 523 first moves along the first direction to a predetermined position, making it directly face the opening 502 and located between the two stop bars 503 when observed along the second direction. Then the suction nozzle 523 moves along the second direction towards the opening 502 until it sucks the paper 200, then retreats to a predetermined position, and then moves along the first direction to a position directly facing the paper feeding mechanism 54, and moves along the second direction to send the paper 200 onto the paper feeding mechanism 54. The movement of the suction nozzle 523 along the first direction and the second direction is realized by a linear module in the prior art.

[0066] The paper feeding mechanism 54 includes a paper feeding plate 541 capable of moving back and forth along the up-down direction and the second direction. When observed from above, the paper feeding plate 541 is in an arc shape with an opening facing the suction nozzle 523. Curls 542 are provided on both sides of the paper feeding plate 541 along the first direction, and the curls 542 are formed on the side of the paper feeding plate 541 facing the suction nozzle 523. After the suction nozzle 523 picks up the paper from the paper storage box 501 and moves to a position directly facing the paper feeding plate 541 in the second direction, the suction nozzle 523 moves towards the paper feeding plate 541. When the suction nozzle 523 moves to a predetermined position, both sides of the paper 200 will be stuck into the corresponding curls 542. Then the suction nozzle 523 releases the paper 200 and retreats to perform the next paper picking. After the paper 200 is sent to the paper feeding plate 541, the paper feeding plate 541 moves down to the position of the jacked-up stator core 100. When observed along the second direction, the paper feeding plate 541 is in a U shape with a downward opening, and an avoidance notch is formed in the middle part of the U shape. Through the avoidance notch, the paper pushing mechanism 55 can push the paper 200 on the paper feeding plate 541 into the wire grooves of the stator core 100.

[0067] There are two suction nozzles 523, which are arranged vertically to suck both ends of the paper 200.

[0068] The paper picking mechanism 52 further includes arc-shaped blocks 524. Each suction nozzle 523 corresponds to one arc-shaped block 524. When viewed from above, the side of the arc-shaped block 524 facing the paper feeding board 541 is arc-shaped and the diameter of the arc coincides with the diameter of the arc of the paper feeding board 541. The positions of the arc-shaped block 524 and the suction nozzle 523 in the second direction are configured such that when the suction nozzle 523 picks up paper from the paper storage box 501 and when the suction nozzle 523 contacts the paper 200, the arc-shaped block 524 is located on the side opposite to the paper 200 with respect to the stop rod 503. That is, when the suction nozzle 523 inserts to pick up paper, the arc-shaped block 524 does not enter the paper storage box 501 through the two stop rods 503. When the suction nozzle 523 places the paper 200 into the paper feeding board 541 and when both sides of the paper 200 contact the curled edges 542, the arc-shaped block 524 can push the paper 200 to continue moving towards the inside of the arc of the paper feeding board 541 until both sides of the paper 200 enter the curled edges 542. That is, the function of the arc-shaped block 524 is to help the paper 200 enter the paper feeding board 541.

[0069] The paper pushing mechanism 55 includes a paper pushing rod 551 in an L shape and a paper pushing board 552. The paper pushing rod 551 includes a vertical part and a horizontal part provided at the upper end of the vertical part. The vertical part is inserted into the operation hole 103 and at the same time inserted into the stator core 100 of the paper to be inserted lifted by the lifting mechanism 3. The horizontal part extends in a direction away from the paper feeding board 541 and is connected to the output end of the driving cylinder. The paper pushing board 552 is provided on the side of the vertical part facing the paper feeding board 541. There are multiple paper pushing boards 552 extending vertically. The multiple paper pushing boards 552 are arranged along the first direction. The multiple paper pushing boards 552 can be aligned with the corresponding wire grooves. The thickness of the paper pushing board 552 is configured to be able to be inserted into the corresponding wire grooves. When paper needs to be pushed, the paper pushing board 552 moves towards the paper feeding board 541, and the paper pushing board 552 pushes the paper 200 into the corresponding wire grooves. The number of paper pushing boards 552 is less than the number of wire grooves on the stator core 100. By rotating the stator core 100, the wire grooves can be sequentially moved to the positions corresponding to the paper pushing boards 552, and finally all the wire grooves are completed with paper insertion.

[0070] Furthermore, the paper feeder 541 is capable of moving back and forth in a second direction. When the paper feeder 541 is not inserted into the stator core 100, movement in the second direction allows the paper feeder 541 to maintain a certain distance from the inner wall of the stator core 100, facilitating collision with the inner wall of the stator core 100 during insertion. After the paper feeder 541 is moved downward into position, it moves toward the side where the paper needs to be inserted, minimizing the distance between the paper and the offline slot. The upward and downward movement of the paper feeder 541 is driven by an electric cylinder, while the movement of the paper feeder 541 in the second direction is driven by a motor in conjunction with a lead screw.

[0071] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic paper inserting machine for stator production, used for inserting paper into the wire slots of the stator core, characterized in that: include: The frame includes a first mounting plate and a second mounting plate disposed directly above the first mounting plate; The conveying mechanism is provided on the first mounting plate and is used to move the stator core to be inserted with the photo paper to the paper insertion station and to convey the stator core after the insertion of the photo paper; A lifting mechanism is provided at the paper inserting station of the first mounting plate and is used to lift the stator core on the conveying mechanism to a certain height; A rotation drive mechanism is provided on the lower surface of the second mounting plate and is used to drive the stator core lifted up by the lifting mechanism to rotate; The paper insertion mechanism is provided on the upper surface of the second mounting plate and is used to insert the spacer paper into the wire slots of the lifted stator core. The paper insertion mechanism cooperates with the rotary drive mechanism to insert the spacer paper into all the wire slots. The jacking mechanism comprises: A rotating support plate is rotatably and vertically movable on a conveying path of the stator core; A plurality of jacking rods are provided on the rotating support plate and extend upward; a first positioning rod, arranged at the upper end of the lifting rod, having a plurality of vertically extending through-holes around the stator core, the diameter of the lifting rod being larger than the diameter of the through-holes, the diameter of the first positioning rod being equal to or slightly smaller than the diameter of the through-holes, the number of the lifting rods being the same as the number of the through-holes, and the first positioning rod being capable of being inserted into the corresponding through-holes; The paper insertion mechanism comprises: A paper storage box is provided on the upper surface of the second mounting plate and is used to store the phase separation paper to be used. The paper is rectangular and the phase separation paper in the paper storage box is stacked in a horizontal direction. An opening is provided on one side of the paper storage box. A paper taking mechanism is provided on the upper surface of the second mounting plate and is used to take out paper from the opening of the paper storage box; A paper feeding mechanism is provided on the upper surface of the second mounting plate, and is used for receiving the phase-separating paper on the paper taking mechanism and feeding the received phase-separating paper into the stator core; The paper pushing mechanism is arranged on the upper surface of the second mounting plate and is used for pushing the phase separation paper on the paper feeding mechanism into the line groove.

2. The automatic paper inserting machine for stator production according to claim 1, characterized in that: The conveying mechanism comprises: Conveyor rack; Two track plates are provided on the conveying frame and the first mounting plate, the two track plates are arranged in parallel along the conveying direction, the plane on which each track plate is located is a vertical plane, and there is a certain distance between the two track plates; a row of rotatable rollers is provided on the inner side of each track plate along the conveying direction, the two rows of rollers on the two track plates are located at the same height, and the stator core can be supported on the two rows of rollers; There are two rows of clips, which correspond to each other one by one. The corresponding clips form a group. The clips in the same group can clamp the stator core on the roller. The clips in each row are installed on the same linkage plate. The linkage plates of the two rows of clips are connected. The linkage plate can move back and forth along the conveying direction, and then clamp the stator core through the clips, which can drive the stator core to move in the conveying direction.

3. The automatic paper inserting machine for stator production according to claim 1, characterized in that: The rotary drive mechanism comprises: a rotating wheel rotatably disposed on the lower surface of the second mounting plate, the rotating wheel being a cylindrical structure, the axis of the rotating wheel being collinear with the rotation axis of the rotating support plate; Multiple driving rods are arranged on the lower end surface of the rotating wheel and extend up and down. Multiple driving cylinders are arranged on the upper surface of the rotating support plate. When the rotating support plate moves upward, the lower end of the driving rod can be inserted into the driving cylinder, and when the rotating wheel rotates, it can drive the rotating support plate to rotate.

4. The automatic paper inserting machine for stator production according to claim 1, characterized in that: The paper picking mechanism comprises: The suction nozzle is arranged on the upper surface of the second mounting plate and can move along a first direction and a second direction, the first direction is parallel to the horizontal direction in which the paper storage box and the paper feeding mechanism are arranged, and the second direction is a horizontal direction perpendicular to the first direction, and the suction nozzle extends along the second direction and the working end faces the paper storage box and the paper feeding mechanism.

5. The automatic paper inserting machine for stator production according to claim 1, characterized in that: The paper feeding mechanism comprises: The feeding paper board can move back and forth along the up and down directions and the second direction. When viewed from above, the feeding paper board is in an arc shape that is open toward one side of the suction nozzle. Curled edges are provided on both sides of the feeding paper board along the first direction, and the curled edges are formed on the side of the feeding paper board facing the suction nozzle. After the suction nozzle takes the phase separation paper from the paper storage box, it moves to a position opposite to the feeding paper board in the second direction. The suction nozzle moves toward the feeding paper board. When the suction nozzle moves to a predetermined position, both sides of the phase separation paper will be stuck in the curled edges on the corresponding sides; when viewed along the second direction, the feeding paper board is in a U-shape that is open downward, and an avoidance gap is formed in the middle part of the U-shape. Through the avoidance gap, the paper pushing mechanism can push the phase separation paper on the feeding paper board into the wire slot of the stator core.

6. The automatic paper inserting machine for stator production according to claim 5, characterized in that: There are two suction nozzles, which are arranged up and down; the paper picking mechanism also includes an arc block, each suction nozzle corresponds to an arc block, and when viewed from above, the side of the arc block facing the feeding paper board is arc-shaped and the diameter of the arc matches the diameter of the arc of the feeding paper board; the positions of the arc block and the suction nozzle in the second direction are configured so that when the suction nozzle picks up paper from the paper storage box and when the suction nozzle contacts the phase separation paper, the arc block is located on the side opposite to the phase separation paper relative to the baffle bar, and when the suction nozzle puts the phase separation paper into the feeding paper board, when both sides of the phase separation paper contact the curling edge, the arc block can push the phase separation paper to continue moving into the arc of the feeding paper board until both sides of the phase separation paper enter the curling edge.

7. A method for automatically inserting photo paper for stator production, using the automatic photo paper inserting machine according to claim 6, comprising the following steps: Step 1: The conveying mechanism conveys the stator core to be inserted with paper to the paper insertion station; Step 2: The lifting mechanism lifts the stator core upward to a certain height; Step 3: The paper picking mechanism takes out the separation paper from the paper storage box and sends it to the paper feeding board; Step 4: The paper feeding plate moves downward and feeds the paper into the stator core; Step 5: The paper feeder moves a certain distance toward the line slot where the paper is to be inserted; Step 6: The paper pushing mechanism moves toward the paper feeding board and pushes the separation paper into the line slot; Step 7: The paper pushing mechanism returns; Step 8: The paperboard moves upward for a certain distance; Step 9: The rotating drive mechanism drives the stator core to rotate a certain angle and returns to step 1 until all the slots are filled with paper.

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