An insulating paper inserting machine for a motor stator

Abstract

The present invention relates to the technical field of motor manufacturing, and specifically discloses an insulating paper inserting machine for a motor stator, which includes a table body. A bracket is fixedly installed on the top of the table body, and a paper roll is arranged on the surface of the bracket. It further includes: a base, a first motor is installed on the end face of the base, the output end of the first motor is fixedly connected with a screw rod, and a rectangular plate is threadedly connected to the arc surface of the screw rod; a transmission mechanism, the transmission mechanism includes a second motor fixedly connected to the end face of the rectangular plate and a round rod rotatably connected to the end face of the rectangular plate. By setting a cylinder and a first leakage hole, the present invention can quickly lubricate when needed by providing a cylinder for storing lubricating fluid. At the same time, this cylinder can directly clamp and position the stator. This design not only improves the reuse rate of parts, but also facilitates the maintenance and repair of the gear set through the ingenious layout of the first leakage hole, thereby improving the overall maintenance efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of motor manufacturing, and particularly relates to an insulating paper inserting machine for a motor stator. Background Art

[0002] The motor stator is the stationary part in a motor or generator that generates a rotating magnetic field. It generates a rotating magnetic field through the periodic change of the current in the stator winding, and then drives the rotor to rotate to achieve the conversion of electrical energy into mechanical energy; insulating paper is the general term for electrical insulating paper. It is used as an insulating material for various electrical equipment such as cables and coils. In addition to having good insulation performance and mechanical strength, it also has characteristics such as high toughness, excellent dielectric properties, high thermal conductivity, easy insertion and embedding, certain hardness and resilience. In order to ensure the safety and performance of the motor, insulating paper needs to be inserted into the stator.

[0003] In the Chinese patent with the publication number CN111478532B, an insulating paper inserting machine for a motor stator is mentioned. Its specification discloses that since the current stator is directly placed on the material positioning mechanism, after the insulating paper is inserted, the insulating paper near the end of the material positioning mechanism is bound to remain on the through hole of the material positioning mechanism. Since the through hole structure needs to ensure that the insulating paper can smoothly enter the slot of the stator, the through hole has the same structure as the slot of the stator, so the friction between the through hole and the insulating paper is relatively large. When the stator is pulled out, affected by the friction between the through hole and the insulating paper, the insulating paper is likely to displace in the slot of the stator. Therefore, after the stator is taken out, the insulating paper on the stator still needs to be shaped, resulting in low processing efficiency;

[0004] However, in the above application, the mechanism for driving the stator to rotate is usually located inside the equipment, which makes later maintenance and repair particularly difficult. When the friction of the gear set increases after long-term operation, it is often necessary to lubricate it to ensure the normal operation of the equipment and extend its service life. However, due to the deep location of these gear sets inside the equipment, it is difficult for operators to quickly access and handle these components during maintenance. This situation not only increases the complexity of the maintenance work, but also may lead to an extended downtime of the equipment, thus affecting the production efficiency and the overall reliability of the equipment. Therefore, in order to improve the maintenance efficiency, a structure that is more convenient for maintenance and lubrication may need to be designed. Summary of the Invention

[0005] The purpose of the invention is to provide an insulating paper inserting machine for a motor stator to solve the problem in the prior art that the existing paper inserting device is not convenient for maintaining the device that drives the stator to rotate.

[0006] To achieve the above purpose, the invention provides the following technical solutions:

[0007] An insulating paper inserting machine for a motor stator, comprising a table body, a bracket is fixedly installed on the top of the table body, and a paper roll is arranged on the surface of the bracket. It further includes:

[0008] A base, a first motor is installed on the end face of the base, the output end of the first motor is fixedly connected with a screw rod, and a rectangular plate is threadedly connected to the arc surface of the screw rod;

[0009] A transmission mechanism, the transmission mechanism includes a second motor fixedly connected to the end face of the rectangular plate and a round rod rotatably connected to the end face of the rectangular plate, the output end of the second motor is fixedly connected with a first gear, a second gear is fixedly connected to the arc surface of the round rod, the top end of the round rod is fixedly connected with a support plate, and a stator body is arranged on the end face of the support plate;

[0010] An insulating paper inserting mechanism, which is used to insert insulating paper into the slots in the stator body, and the insulating paper inserting mechanism is arranged on the table body;

[0011] A lubricating clamping mechanism, which is used to provide lubricating fluid for the transmission mechanism and the insulating paper inserting mechanism, and can clamp the stator body during normal operation. The lubricating clamping mechanism includes two arc-shaped sliding rails fixedly connected to the support plate, two sliders are slidably connected inside one of the arc-shaped sliding rails, a cylinder is arranged on the side of the slider away from the arc-shaped sliding rail, a piston rod is slidably connected to one end of the cylinder, a conduit is communicated with the arc surface of the cylinder, and a first leakage hole is opened on the end face of the table body;

[0012] A limit collecting mechanism, which is used to limit and guide the released insulating paper tape during the working process, and can collect the dripping lubricating fluid when lubricating the transmission mechanism. The limit collecting mechanism includes two limit cylinders located below the paper roll.

[0013] Preferably: Two limit rods are slidably inserted on the surface of the rectangular plate, the cross-sectional shape of the limit rods is L-shaped, and both limit rods are fixedly connected to the table body.

[0014] Preferably: A support rod is fixedly connected to the surface of the slider, the cylinder is fixedly connected to the end of the support rod away from the slider, a concave block is fixedly connected to the arc surface of the cylinder, a round rod is rotatably connected to the inner wall of the concave block, a round tube is slidably connected to the arc surface of the round rod, a clamping block is fixedly connected to the end of the round tube away from the cylinder, and two limit plates are fixedly connected to the surface of one of the arc-shaped sliding rails.

[0015] Preferably: A spring is sleeved on the arc surface of the round rod, both ends of the spring are fixedly connected to the round tube and the round rod respectively, the cross-sectional shape of the clamping block is triangular, and the limit plate is matched with the clamping block.

[0016] Preferably, the limit collection mechanism includes a fixed rod fixedly connected to the back surface of the table body. A sliding tube is slidably connected to the arc surface of the fixed rod. A long rod is fixedly connected to the arc surface of the sliding tube. A circular sleeve is slidably connected to the arc surface of the long rod. A fixing plate is fixedly connected to the arc surface of the circular sleeve. A sliding rod is slidably inserted into the surface of the fixing plate. One end of each of the two limit cylinders is rotatably connected to a first L-shaped plate. A connecting plate is fixedly connected to the surfaces of the two first L-shaped plates. One end of the sliding rod is rotatably connected to one of the first L-shaped plates.

[0017] Preferably, covers are threadedly connected to the inner walls of the two limit cylinders. A second leakage hole adapted to the limit cylinder is formed in the bottom surface of the rectangular plate. The size of the inner wall of the limit cylinder is larger than the size of the second leakage hole.

[0018] Preferably, a second L-shaped plate is fixedly connected to the arc surface of the circular sleeve. A plug rod is slidably inserted into the surface of the second L-shaped plate. A plurality of insertion holes are formed in the arc surface of the long rod.

[0019] Preferably, a square plate is fixedly connected to the arc surface of the sliding tube. A driving rod is threadedly connected to the end face of the square plate.

[0020] Preferably, the plurality of insertion holes are evenly formed in the arc surface of the long rod. The size of the plug rod is adapted to the size of the insertion holes.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. By providing a cylinder and a first leakage hole, the present invention can quickly lubricate when needed by providing a cylinder for storing lubricating fluid. At the same time, this cylinder can directly clamp and limit the stator. This design not only improves the reuse rate of parts, but also facilitates the maintenance and repair of the gear set through the ingenious layout of the first leakage hole, thereby improving the overall maintenance efficiency.

[0023] 2. By providing an arc-shaped sliding rail, a conduit, a spring and a circular tube, the circular tube can not only stably clamp the stator through the pressure of the spring, but also effectively store the conduit. Combining with the guiding design of the arc-shaped sliding rail, this layout not only provides stable support, but also allows the circular tube to move freely according to needs during lubrication, thus avoiding the problem that the conduit is stretched or lifted due to too long distance or too high height. In this way, the flow of the lubricating fluid in the conduit can be kept stable, ensuring that the lubrication effect will not be disturbed or affected.

[0024] 3. By setting the limiting cylinder and the sliding rod, the position of the limiting cylinder can be flexibly adjusted through the sliding mechanism of the sliding rod, so as to accurately limit and guide the insulating paper tape released by the paper roll. During the lubrication process, the adjustment of the limiting cylinder also plays an important role. By cooperating with the second leakage hole, it can effectively collect the dripping lubricating liquid. In this way, not only can the effective recovery of the lubricating liquid be ensured, waste be avoided, but also the equipment can be kept clean and operate normally. The overall design makes the equipment more efficient in operation and maintenance, ensures the precise application of the lubricating liquid, and extends the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is one of the three-dimensional views of the present invention;

[0026] Figure 2 is the second three-dimensional view of the present invention;

[0027] Figure 3 is the partial front view structural schematic diagram of the present invention Figure 1 ;

[0028] Figure 4 is the partial bottom view structural schematic diagram of the middle table body of the present invention Figure 1 ;

[0029] Figure 5 is the structural schematic diagram of the lubricating clamping mechanism of the present invention;

[0030] Figure 6 is the sectional structural schematic diagram of the cylinder in the present invention Figure 5 ;

[0031] Figure 7 is the structural schematic diagram of the limiting and collecting mechanism of the present invention;

[0032] Figure 8 is the structural schematic diagram of another form of the present invention Figure 7 ;

[0033] In the figure: 1. Frustum; 101. Paper inserting mechanism; 102. Support; 103. Paper roller; 104. Base; 105. First motor; 106. Screw; 107. Rectangular plate; 108. Limit rod; 109. Transmission mechanism; 1091. Second motor; 1092. First gear; 1093. Second gear; 1094. Round rod; 1095. Support plate; 1096. Stator body; 2. Lubricating clamping mechanism; 201. Arc-shaped slide rail; 202. Slide block; 203. Support rod; 204. Cylinder; 205. Piston rod; 206. Conduit; 207. Concave block; 208. Round bar; 209. Round tube; 210. Clamping block; 211. Spring; 212. Limit plate; 213. First leakage hole; 214. Second leakage hole; 3. Limit collection mechanism; 301. Fixed rod; 302. Slide tube; 303. Long rod; 304. Round sleeve; 305. Fixed plate; 306. Slide rod; 307. First L-shaped plate; 308. Limit cylinder; 309. Cover plate; 310. Connecting plate; 311. Second L-shaped plate; 312. Inserting rod; 313. Insertion hole; 314. Square plate; 315. Driving rod. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] Refer to Figures 1 - 8 As shown in the figure, the present invention provides an insulating paper inserting machine for a motor stator, including a frustum 1. A support 102 is fixedly installed on the top of the frustum 1. A paper roller 103 is arranged on the surface of the support 102. It further includes: a base 104. A first motor 105 is installed on the end face of the base 104. The output end of the first motor 105 is fixedly connected to a screw 106. The arc surface of the screw 106 is threadedly connected to a rectangular plate 107;

[0036] In this embodiment, the frame on the paper roller 103 is connected to the frustum 1.

[0037] A transmission mechanism 109. The transmission mechanism 109 includes a second motor 1091 fixedly connected to the end face of the rectangular plate 107 and a round rod 1094 rotatably connected to the end face of the rectangular plate 107. The output end of the second motor 1091 is fixedly connected to a first gear 1092. The arc surface of the round rod 1094 is fixedly connected to a second gear 1093. The top end of the round rod 1094 is fixedly connected to a support plate 1095. A stator body 1096 is arranged on the end face of the support plate 1095;

[0038] In this embodiment, the first gear 1092 meshes with the second gear 1093. The first gear 1092 is a small gear and the second gear 1093 is a large gear, so that when rotating, the rotation angle of the stator body 1096 is relatively small.

[0039] The paper inserting mechanism 101 is used to insert insulating paper into the slots in the stator body 1096. The paper inserting mechanism 101 is arranged on the table 1.

[0040] In this embodiment, the paper inserting mechanism 101 is an existing mechanism, which requires the cooperation of tools such as a laser sensor, an electric push rod, an insulating paper mold, and a cutter to insert the cut paper tape into the slots in the stator body 1096.

[0041] The lubricating clamping mechanism 2 is used to provide lubricating fluid for the transmission mechanism 109 and the paper inserting mechanism 101, and can clamp the stator body 1096 during normal operation. The lubricating clamping mechanism 2 includes two arc-shaped slide rails 201 fixedly connected to the support plate 1095. Two sliders 202 are slidably connected inside one of the arc-shaped slide rails 201. A cylinder 204 is provided on the side of the slider 202 away from the arc-shaped slide rail 201. A piston rod 205 is slidably connected to one end of the cylinder 204. A conduit 206 communicates with the arc surface of the cylinder 204. A first leakage hole 213 is opened on the end surface of the table 1.

[0042] In this embodiment, the conduit 206 is sleeved on the water outlet of the cylinder 204 and can be unplugged to facilitate adding lubricating fluid into the cylinder 204. When adding lubricating fluid, it is not necessary to fill it up. When not lubricating, the conduit 206 can be wound around the round tube 209.

[0043] Two limiting rods 108 are slidably inserted on the surface of the rectangular plate 107. The cross-sectional shape of the limiting rods 108 is L-shaped, and both limiting rods 108 are fixedly connected to the table 1.

[0044] A support rod 203 is fixedly connected to the surface of the slider 202. The cylinder 204 is fixedly connected to the end of the support rod 203 away from the slider 202. A concave block 207 is fixedly connected to the arc surface of the cylinder 204. A round rod 208 is rotatably connected to the inner wall of the concave block 207. A round tube 209 is slidably connected to the arc surface of the round rod 208. A clamping block 210 is fixedly connected to the end of the round tube 209 away from the cylinder 204. Two limiting plates 212 are fixedly connected to the surface of one of the arc-shaped slide rails 201. A spring 211 is sleeved on the arc surface of the round rod 208. The two ends of the spring 211 are respectively fixedly connected to the round tube 209 and the round rod 208.

[0045] In this embodiment, the slider 202 can also be stabilized by the frictional force on the inner wall of the arc-shaped slide rail 201. The cross-sectional shape of the clamping block 210 is triangular, and the cross-sectional shape of the limiting plate 212 is trapezoidal. The limiting plate 212 cooperates with the clamping block 210 to stabilize the position of the stator body 1096.

[0046] In a further embodiment, referring to Figure 2 , Figure 7 and Figure 8 shown, the limiting and collecting mechanism 3 is used to limit and guide the released insulating paper tape during the working process, and can also collect the dripping lubricating fluid when lubricating the transmission mechanism 109. The limiting and collecting mechanism 3 includes two limiting cylinders 308 located below the paper roller 103. The limiting and collecting mechanism 3 includes a fixing rod 301 fixedly connected to the back of the table body 1. A sliding tube 302 is slidably connected to the arc surface of the fixing rod 301. A long rod 303 is fixedly connected to the arc surface of the sliding tube 302. A round sleeve 304 is slidably connected to the arc surface of the long rod 303. A fixing plate 305 is fixedly connected to the arc surface of the round sleeve 304. A sliding rod 306 is slidably inserted into the surface of the fixing plate 305. One end of each of the two limiting cylinders 308 is rotatably connected to a first L-shaped plate 307. A connecting plate 310 is fixedly connected to the surfaces of the two first L-shaped plates 307. One end of the sliding rod 306 is rotatably connected to one of the first L-shaped plates 307.

[0047] In this embodiment, the limiting cylinder 308 can accurately limit and guide the insulating paper tape released by the paper roller 103, and during the lubrication process, the adjustment of the limiting cylinder 308 can effectively collect the dripping lubricating fluid through cooperation with the second leakage hole 214. Moreover, during the rotation of the two arc-shaped slide rails 201 along with the support plate 1095, there will be no movement interference with the long rod 303 and the sliding rod 306, and the distance between the long rod 303 and one of the arc-shaped slide rails 201 is sufficient.

[0048] Threaded covers 309 are connected to the inner walls of the two limiting cylinders 308. Second leakage holes 214 adapted to the limiting cylinders 308 are provided in the bottom surface of the rectangular plate 107. The inner wall size of the limiting cylinder 308 is larger than the size of the second leakage hole 214.

[0049] In this embodiment, the cover 309 can be unscrewed by the drive of the thread when the limiting cylinder 308 collects the lubricating fluid.

[0050] A second L-shaped plate 311 is fixedly connected to the arc surface of the round sleeve 304. A plug rod 312 is slidably inserted into the surface of the second L-shaped plate 311. A plurality of jack holes 313 are provided in the arc surface of the long rod 303. The plurality of jack holes 313 are evenly provided on the arc surface of the long rod 303. The size of the plug rod 312 is adapted to the size of the jack holes 313.

[0051] In this embodiment, the cooperation between the insertion rod 312 and the insertion hole 313 can stabilize the position of the limiting cylinder 308.

[0052] A square plate 314 is fixedly connected to the arc surface of the sliding tube 302, and a driving rod 315 is threadedly connected to the end surface of the square plate 314.

[0053] In this embodiment, by turning the driving rod 315, driven by the thread, the driving rod 315 contacts the table body 1, which plays a role in stabilizing the position of the sliding tube 302.

[0054] The working principle of the present invention is as follows: When in use, place the stator body 1096 on the support plate 1095. By means of the sliding of the two sliders 202 inside the arc-shaped slide rail 201, the two cylinders 204 are pushed towards each other until the cylinders 204 contact the stator body 1096. By means of the sliding of the round tube 209 and the round bar 208, by pushing the round tube 209 towards the stator body 1096, at this time the spring 211 contracts. By means of the rotation of the round bar 208, the direction of the clamping block 210 is adjusted so that the clamping block 210 faces the inside of the limiting plate 212. By means of the resilience of the spring 211, the clamping block 210 will finally fit against the inside of the limiting plate 212, playing a role in stabilizing the cylinder 204, and thus realizing the clamping and limiting of the stator body 1096. Driven by the first motor 105, the screw 106 rotates, and by means of the thread, the rectangular plate 107 moves, sending the stator body 1096 to a suitable position below the paper inserting mechanism 101. Then, the insulating paper tape is released from the paper roller 103 and passes through between the two limiting cylinders 308, and the paper tape is placed into the paper inserting mechanism 101. The paper inserting mechanism 101 and the transmission mechanism 109 cooperate with each other. After inserting a paper tape into the slot in the stator body 1096, at this time the second motor 1091 immediately drives the first gear 1092 to rotate, causing the second gear 1093 to rotate, and thus causing the stator body 1096 to rotate. After rotating to the next slot, it immediately stops, and the paper tape is inserted into the slot in the stator body 1096 again. This is repeated until all the slots in the stator body 1096 are filled. During the rotation of the stator body 1096, the two arc-shaped slide rails 201 will rotate with the rotation of the support plate 1095. Then, the first motor 105 can be started again, causing the output shaft of the first motor 105 to rotate in the reverse direction, causing the rectangular plate 107 to move backward, that is, moving the stator body 1096 away from below the paper inserting body, and taking out the stator body 1096;

[0055] When lubrication is required for the first gear 1092 and the second gear 1093, one end of the conduit 206 is inserted into the first leak hole 213. By sliding the slide rod 306, the limiting cylinder 308 is pulled towards the long rod 303. By sliding the round sleeve 304, the limiting cylinder 308 is slid downwards. And by rotating the slide rod 306 with one of the first L-shaped plates 307, the direction of the limiting cylinder 308 is adjusted from the horizontal position to the vertical state. Then, by pushing the slide rod 306, one of the limiting cylinders 308 is positioned below the second leak hole 214, and the cover plate 309 can be unscrewed by means of the thread, as Figure 8 shown. Then, the piston rod 205 is pushed to squeeze the lubricating fluid in the cylinder 204. The lubricating fluid will flow out of the conduit 206 and drip between the first gear 1092 and the second gear 1093. The excess dripping lubricating fluid will drip into the limiting cylinder 308. The sliding of the slide tube 302 can adjust the position of the limiting cylinder 308 to make the position of the limiting cylinder 308 and the second leak hole 214 more precise. And by screwing the driving rod 315, driven by the thread, the driving rod 315 contacts the table body 1 to play a role in stabilizing the position of the slide tube 302.

[0056] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulating paper inserting machine for a motor stator, comprising a table body (1), a bracket (102) is fixedly installed on the top of the table body (1), and a paper roll (103) is arranged on the surface of the bracket (102), characterized in that, Further included are: A base (104), on the end face of the base (104) is mounted a first motor (105), the output end of the first motor (105) is fixedly connected to a screw rod (106), and a rectangular plate (107) is threadedly connected to the arc surface of the screw rod (106); A transmission mechanism (109), the transmission mechanism (109) includes a second motor (1091) fixedly connected to the end face of the rectangular plate (107) and a round rod (1094) rotatably connected to the end face of the rectangular plate (107), the output end of the second motor (1091) is fixedly connected to a first gear (1092), a second gear (1093) is fixedly connected to the arc surface of the round rod (1094), the top end of the round rod (1094) is fixedly connected to a support plate (1095), and a stator body (1096) is provided on the end face of the support plate (1095); A paper inserting mechanism (101) for inserting insulating paper into the slots in the stator body (1096), and the paper inserting mechanism (101) is arranged on the table body (1); A lubricating clamping mechanism (2) for providing lubricating fluid to the transmission mechanism (109) and the paper inserting mechanism (101), and when working normally, it can also clamp the stator body (1096). The lubricating clamping mechanism (2) includes two arc-shaped slide rails (201) fixedly connected to the support plate (1095). Two sliders (202) are slidably connected inside one of the arc-shaped slide rails (201). A cylinder (204) is provided on the side of the slider (202) away from the arc-shaped slide rail (201). A piston rod (205) is slidably connected to one end of the cylinder (204). A conduit (206) communicates with the arc surface of the cylinder (204). A first leakage hole (213) is opened on the end face of the table body (1); A limit collecting mechanism (3) for limiting and guiding the released insulating paper tape during the working process, and collecting the dripping lubricating fluid when lubricating the transmission mechanism (109). The limit collecting mechanism (3) includes two limit cylinders (308) located below the paper roller (103).

2. The insulating paper inserting machine for the motor stator according to claim 1, wherein: Two limit rods (108) are slidably inserted on the surface of the rectangular plate (107). The cross-sectional shape of the limit rods (108) is L-shaped, and both of the limit rods (108) are fixedly connected to the table body (1).

3. The insulating paper inserting machine for a motor stator according to claim 1, characterized in that: A support rod (203) is fixedly connected to the surface of the slider (202). The cylinder (204) is fixedly connected to the end of the support rod (203) away from the slider (202). A concave block (207) is fixedly connected to the arc surface of the cylinder (204). A round rod (208) is rotatably connected to the inner wall of the concave block (207). A round tube (209) is slidably connected to the arc surface of the round rod (208). A clamping block (210) is fixedly connected to the end of the round tube (209) away from the cylinder (204). Two limit plates (212) are fixedly connected to the surface of one of the arc-shaped slide rails (201).

4. The insulating paper inserting machine for a motor stator according to claim 3, characterized in that: A spring (211) is sleeved on the arc surface of the round rod (208). The two ends of the spring (211) are fixedly connected to the round tube (209) and the round rod (208) respectively. The cross-sectional shape of the clamping block (210) is triangular, and the limiting plate (212) is matched with the clamping block (210).

5. An insulating paper inserting machine for a motor stator according to claim 1, characterized in that: The limiting and collecting mechanism (3) includes a fixed rod (301) fixedly connected to the back surface of the table body (1). A sliding tube (302) is slidably connected to the arc surface of the fixed rod (301). A long rod (303) is fixedly connected to the arc surface of the sliding tube (302). A round sleeve (304) is slidably connected to the arc surface of the long rod (303). A fixing plate (305) is fixedly connected to the arc surface of the round sleeve (304). A sliding rod (306) is slidably inserted into the surface of the fixing plate (305). One end of each of the two limiting cylinders (308) is rotatably connected to a first L-shaped plate (307). A connecting plate (310) is fixedly connected to the surfaces of the two first L-shaped plates (307). One end of the sliding rod (306) is rotatably connected to one of the first L-shaped plates (307).

6. The insulating paper inserting machine for a motor stator according to claim 5, wherein: Covers (309) are threadedly connected to the inner walls of the two limiting cylinders (308). A second leakage hole (214) matched with the limiting cylinder (308) is formed in the bottom surface of the rectangular plate (107). The size of the inner wall of the limiting cylinder (308) is larger than the size of the second leakage hole (214).

7. An insulating paper inserting machine for a motor stator according to claim 5, characterized in that: A second L-shaped plate (311) is fixedly connected to the arc surface of the round sleeve (304). A plug rod (312) is slidably inserted into the surface of the second L-shaped plate (311). A plurality of insertion holes (313) are formed in the arc surface of the long rod (303).

8. An insulating paper inserting machine for a motor stator according to claim 5, characterized in that: A square plate (314) is fixedly connected to the arc surface of the sliding tube (302). A driving rod (315) is threadedly connected to the end face of the square plate (314).

9. An insulating paper inserting machine for a motor stator according to claim 7, characterized in that: The plurality of insertion holes (313) are evenly formed in the arc surface of the long rod (303). The size of the plug rod (312) is adapted to the size of the insertion holes (313).

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