CN211266719U

CN211266719U - Automatic coil inserting machine for stator

Info

Publication number: CN211266719U
Application number: CN202020360056.9U
Authority: CN
Inventors: 王乐义
Original assignee: Luoyang Yingwang Machinery Automation Co ltd
Current assignee: Luoyang Yingwang Machinery Automation Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-08-14
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to a stator production and processing equipment technical field, concretely relates to automatic coil inserting machine of stator, including insulating paper processing agency, rule mechanism and graduation positioning mechanism, insulating paper processing agency can press after insulating paper ration intercepting and design in the wire pressing groove in groove material storehouse, and during rule mechanism was dialled the wire winding on the stator and pushed the wire winding groove with the insulating paper in the groove material storehouse, the stator clamping of waiting to process was carried out automatic counterpoint and is adjusted on graduation positioning mechanism and by graduation cylinder and location cylinder to the automatic rule processing of stator has been realized.

Description

Automatic coil inserting machine for stator

Technical Field

The utility model relates to a stator production and processing equipment technical field, concretely relates to automatic coil inserting machine of stator.

Background

The stator needs to be wound with multiple layers of wires, the multiple layers of wires need to be fixed in order to ensure the stability of the whole structure of the stator, an insulating layer is sleeved in a winding slot on the stator, and generally groove wedge paper for processing and shaping is sleeved in the insulating layer.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic coil inserting machine of stator processing usefulness, including insulating paper processing agency, rule mechanism and graduation positioning mechanism, insulating paper processing agency can press after insulating paper ration intercepting and design in the wire pressing groove in groove material storehouse, and during rule mechanism was dialled the wire winding on the stator and pushed the wire winding groove with the insulating paper in the groove material storehouse, the stator clamping of waiting to process was carried out automatic counterpoint and is adjusted on graduation positioning mechanism and by graduation cylinder and location cylinder to the automatic line inserting processing of stator has been realized.

The utility model provides a stator automatic coil inserting machine for solving the above problems, which comprises a processing table, an insulating paper processing mechanism, a coil inserting mechanism and a graduation positioning mechanism, wherein the insulating paper processing mechanism comprises a paper feeding motor, a paper pressing cylinder and a paper cutting cylinder, the paper feeding motor is arranged on a mounting plate, conveying wheels are arranged on a power shaft end of the paper feeding motor and the mounting plate, the paper feeding motor drives the insulating paper to convey to the coil inserting mechanism through the two conveying wheels, the mounting plate is connected with an adjusting plate, the adjusting plate is arranged on a first guide rail on the lower surface of the processing table in a sliding way, the paper pressing cylinder and the paper cutting cylinder are respectively arranged at two ends of the adjusting plate, and a paper pressing plate and a paper cutting block are respectively arranged at the tail end of a piston rod of the paper pressing cylinder; the coil inserting mechanism comprises a paper pushing cylinder, a coil pressing cylinder, a slot stock bin and a coil pressing block, wherein the slot stock bin is arranged on an adjusting plate, two side surfaces of the slot stock bin are respectively provided with a paper pressing groove for a paper pressing plate to penetrate in and a paper cutting groove for a paper cutting block to penetrate in, the upper surface of the slot stock bin is provided with a paper passing groove for insulating paper to penetrate in, the paper passing groove is communicated with the paper pressing groove and the paper cutting groove, an opening is formed in a processing table, the coil pressing block is a T-shaped block penetrating in the opening, the bottom end of the coil pressing block is fixedly connected with the upper end of the slot bin, the bottom surface of the coil pressing block is provided with a discharge groove communicated with the paper pressing groove, the paper pushing cylinder is longitudinally arranged below the adjusting plate through a connecting plate, the tail end of a piston of the paper pushing cylinder is connected with a pushing rod, the pushing rod is positioned under the discharge groove to push the processed insulating paper out of the discharge groove through the paper pressing groove, the, the indexing positioning mechanism is arranged at an opening on the upper surface of the processing table to clamp and adjust the stator to be processed.

As a further proposal of the utility model, the processing bench is provided with a support rod for installing an insulating paper raw material disc, and the support rod is provided with a rotating shaft.

As a further scheme of the utility model relates to an automatic coil inserting machine of stator, branch is installed at the last face of processing platform, and the processing bench is offered and is used for the through-hole that insulating paper passed, installs the leading wheel on the mounting panel.

As a further scheme of the automatic coil inserting machine of stator, be provided with the deflector on the mounting panel, the logical groove that is used for insulating paper to pass through is offered to the terminal surface of deflector, and the deflector side is offered and is run through its both sides face and with lead to the conveyer trough that the groove communicates, and two delivery wheels are located the both sides of deflector respectively, the leading wheel sets up the tip in logical groove.

As a further scheme of the automatic coil inserting machine for the stator, a strip-shaped groove is formed in the paper cutting block and is correspondingly communicated with the paper pressing groove so that the material pushing rod can pass through the strip-shaped groove; the upper surface of the paper cutting block is fixedly provided with a convex block, the convex block is provided with a strip-shaped hole penetrating through the bottom surface of the paper cutting block, the top wall of the paper cutting groove is fixedly provided with a cutting block, and the bottom surface of the cutting block is provided with a groove corresponding to the shape of the convex block.

As a further proposal of the utility model, the lug is a strip-shaped block with a cross section which is isosceles trapezoid and parallel to the length direction of the paper cutting cylinder.

As a further scheme of the automatic stator coil inserting machine of the utility model, the material pushing rod is mounted on a piston rod of the paper pushing cylinder through a first mounting block, and the side surface of the mounting block is connected with a second guide rail longitudinally mounted on the connecting plate in a sliding manner; the platen passes through the second installation piece to be installed at the piston rod tip of pressure paper cylinder, second installation piece top and install the third guide rail sliding connection in processing platform bottom surface, the side of platen is followed and is corresponded with the paper pressing groove, and the platen face is all perpendicular with processing platform bottom surface and the paper that is located the interior insulating paper of paper passing groove.

As a further scheme of the automatic coil inserting machine of stator, graduation positioning mechanism includes indexing gear, location gear, indexing cylinder, location cylinder and stator backing ring, location cylinder and indexing cylinder are all installed on the processing bench, the piston rod end-to-end connection of location cylinder is used for restricting location gear pivoted cardboard, indexing cylinder's piston rod end-to-end connection has the elasticity that is used for promoting the indexing gear rotation and pushes away the claw, a top at indexing gear and location gear is installed to the stator backing ring for the clamping is waited to process the stator, stator backing ring, location gear and indexing gear set up with the axle center and the three rotates in step.

As a further scheme of the automatic coil inserting machine of stator, elasticity push pawl includes push pedal and fixed block, and the push pedal is articulated with the fixed block for arc and its one end, is connected with on the fixed block to be connected through compression spring between fixed plate and the push pedal.

As a further proposal of the utility model, the stator backing ring, the positioning gear and the indexing gear are annular and the middle hole corresponds to the opening on the processing table.

Advantageous effects

Can realize the ration input of insulating paper through the control to the motor that form advances, the insulating paper that the pressure paper cylinder will appoint length cuts and is pressed the tank bottom in pressure paper groove and stereotypes by the action of pressure paper cylinder, the line ball cylinder is dialled the wire winding on the stator when counterpointing the insulating paper, in order to prevent that the rule in-process from causing the damage to electric wire and insulating paper, it pushes away the insulating paper after will stereotypeing along the wire winding groove of stator to push away the paper cylinder, thereby the wire winding groove is filled with the insulating paper contact under the elastic action of body to the electric wire after the line ball cylinder resets, thereby guarantee the rule effect, then graduation positioning mechanism drives stator pivoted messenger's next wire winding groove and is in waiting to process the position, realize automated production and processing, the machining efficiency of stator has been promoted greatly.

Drawings

FIG. 1 is a schematic view of the external structure of the coil inserting apparatus of the present invention;

FIG. 2 is a perspective view of the coil inserting apparatus according to the present invention;

FIG. 3 is a schematic top view of the coil inserting apparatus of the present invention;

FIG. 4 is a schematic view showing the structural distribution of the insulating paper processing mechanism of the coil inserting apparatus of the present invention;

FIG. 5 is a schematic view of the installation of a platen of the coil inserting apparatus according to the present invention;

FIG. 6 is a schematic view of the installation of the paper feeding motor of the coil inserting apparatus of the present invention;

FIG. 7 is a schematic view of the installation structure of the paper cutting block of the coil inserting apparatus of the present invention;

FIG. 8 is a schematic view of the installation of the wire pressing block of the wire inserting apparatus of the present invention;

FIG. 9 is an external view of the slot magazine of the coil inserting apparatus according to the present invention;

FIG. 10 is a schematic view of the indexing positioning mechanism of the coil inserting apparatus according to the present invention;

FIG. 11 is a schematic view of the positioning gear and indexing gear of the coil inserting apparatus of the present invention;

FIG. 12 is a schematic side view of the mounting structure of the paper pushing cylinder of the coil inserting apparatus according to the present invention;

in the figure, the marks comprise 1, a processing table, 2, an insulating paper processing mechanism, 3, a wire embedding mechanism, 4, an indexing positioning mechanism, 5, a stator, 6, insulating paper, 201, a paper feeding motor, 202, a paper pressing cylinder, 203, a paper cutting cylinder, 204, a mounting plate, 205, a conveying wheel, 206, a regulating plate, 207, a paper pressing plate, 208, a paper cutting block, 209, a support rod, 210, a guide wheel, 211, a guide plate, 212, a strip-shaped groove, 213, a bump, 214, a strip-shaped hole, 301, a paper pushing cylinder, 302, a wire pressing cylinder, 303, a groove stock, 304, a wire pressing block, 305, a paper pressing groove, 306, a paper cutting groove, 307, a paper passing groove, 308, a discharging groove, 309, a material pushing rod, 401, an indexing gear, 402, a positioning gear, 403, an indexing cylinder, 404, a positioning cylinder, 405, a stator backing ring, 406, a clamping plate, 407, 408, a fixed block, 409 and a fixed plate.

Detailed Description

As shown in the figure: an automatic stator coil inserting machine comprises a processing table 1, an insulating paper processing mechanism 2, a coil inserting mechanism 3 and an indexing positioning mechanism 4, wherein the processing table 1 is horizontally arranged, an opening is formed in the surface of the processing table 1, a first guide rail is arranged on the lower surface of the processing table 1, an adjusting plate 206 is mounted on the first guide rail, the adjusting plate 206 can move and be adjusted along the first guide rail, a baffle is arranged on the side edge of the processing table 1, and a plurality of supporting legs for supporting the whole equipment are arranged at the bottom of the baffle; the insulating paper processing mechanism 2 mainly comprises a paper feeding motor 201, a paper pressing cylinder 202 and a paper cutting cylinder 203, wherein the paper feeding motor 201 is installed on an installation plate 204, the top end of the installation plate 204 is connected with an adjusting plate 206, conveying wheels 205 are installed on a power shaft of the paper feeding motor 201 and the installation plate 204, a gap for passing the insulating paper 6 is formed between the two conveying wheels 205, the paper feeding motor 201 works to drive the conveying wheels 205 at the power shaft end to rotate to pull the insulating paper 6 between the two conveying wheels 205 to be conveyed in the processing direction, a support rod 209 is arranged on the processing table 1, a rotating shaft is installed on the support rod 209, an insulating paper raw material disc is installed on the rotating shaft, the paper feeding motor 201 works to pull the raw material from the insulating paper raw material disc to realize automatic feeding, preferably, the support rod 209 is installed on the upper plate surface of the processing table 1, a through hole for passing the insulating paper is formed in the processing table, the insulation paper raw material passes through the through hole, bypasses the guide wheel 210 and then passes between the two conveying wheels 205; preferably, the mounting plate 204 can also be provided with a guide plate 211, the end surface of the guide plate 211 is provided with a through groove, the through groove penetrates through two end surfaces of the guide plate 211 so as to facilitate the passing of the insulation paper, the guide plate 211 is positioned between the two conveying wheels 205, the surface of the guide plate is provided with a conveying groove, part of wheel bodies of the two conveying wheels 205 are respectively positioned at two notches of the conveying groove, the conveying groove is communicated with the through groove, the guide wheel 210 is positioned at the end part of the inlet end of the through groove, the insulation paper penetrates into the through groove through the guide wheel 210, the conveying wheel 205 at the position of the conveying groove extrudes for rotary conveying, and the stability of the insulation paper conveying;

the paper pressing cylinder 202 and the paper cutting cylinder 203 are both installed on the adjusting plate 206, the two are respectively located at two ends of the adjusting plate 206 and are parallel to the stretching direction, the end part of a piston rod of the paper cutting cylinder 203 is connected with a paper cutting block 208 for cutting insulating paper, the end part of a piston rod of the paper pressing cylinder 202 is connected with a paper pressing plate 207, the paper pressing plate 207 is installed at the end part of the piston rod of the paper pressing cylinder 202 through a second installation block under the optimal condition, a third sliding rail is installed on the lower surface of the processing table 1, the upper surface of the second installation block is connected with the third sliding rail in a sliding mode, the working stability of the paper pressing plate 207 is ensured, the paper pressing plate 207 is a plane plate, the paper pressing plate 207 is vertical to the processing table 1 and perpendicular to the insulating paper to be pressed, and the end of the paper.

The thread embedding mechanism 3 mainly comprises a paper pushing cylinder 301, a thread pressing cylinder 302, a groove material bank 303 and a thread pressing block 304, wherein the groove material bank 303 is a cubic block arranged on the upper plate surface of the adjusting plate 206, a paper pressing groove 305 is formed on the plate surface of the groove material bank 303 facing the side of the paper pressing cylinder 202, the paper pressing groove 305 penetrates through U-shaped grooves on the upper surface and the lower surface of the groove material bank 303, preferably, a paper conveying groove is formed at the bottom of the paper pressing groove 305, the width of the paper feeding groove is larger than that of the paper pressing groove 305, the position of the paper pressing groove 305 corresponds to the paper pressing plate 207, so that the paper pressing plate 207 can extend into the paper pressing groove 305 after the paper pressing cylinder 202 extends, a paper passing groove 307 penetrating through the lower surface of the groove material bank 303 is vertically formed on the upper surface of the groove material bank 303, the overlooking cross section of the paper passing groove 307 is rectangular or arc, the paper passing groove 307 is communicated with the paper pressing groove 305, the space of the paper passing groove is equal to the two sides of the paper pressing groove 305, the paper pressing groove 306 is, the paper cutting groove 306 is communicated with the paper pressing groove 305, the paper feeding groove and the paper passing groove 307, the paper cutting block 208 is movably arranged in the paper cutting groove 306, the upper surface of the paper cutting block 208 is provided with a strip-shaped groove 212, the strip-shaped groove 212 is arranged along the depth direction of the paper pressing groove 305, the upper surface of the paper cutting block 208 is fixedly provided with a convex block 213, the convex block 213 is a strip-shaped block parallel to the length direction of the paper cutting cylinder 203, the upper surface of the convex block 213 is provided with a strip-shaped hole 214 penetrating through the bottom surface of the paper cutting block 208, the top wall of the paper cutting groove 306 is provided with an installation groove and a cutting block is arranged in the installation groove, the bottom surface of the cutting block is provided with a groove corresponding to the side section shape of the convex block 213, and preferably, the side section shape of; the line pressing block 304 is a T-shaped block fixedly connected above the groove material warehouse 303, a wire groove to be embedded on the stator is positioned at the side of a notch of the line pressing block 304, the bottom of the line pressing block 304 is provided with a discharge groove 308, the discharge groove 308 is positioned right above the bottom position of the paper pressing groove 305 and communicated with the paper pressing groove 305, and under the optimal condition, the discharge groove 308 is positioned right above the paper feeding groove and communicated with the paper feeding groove; the paper pushing cylinder 301 is longitudinally installed below the adjusting plate 206 through a connecting plate, the tail end of a piston rod of the paper pushing cylinder 301 is connected with a pushing rod 309, the pushing rod 309 is vertical and located right below the discharging groove 308, in order to guarantee stability of the pushing rod 309, the pushing rod 309 can be installed on the piston rod of the paper pushing cylinder 301 through a first installation block, and the side face of the first installation block is in sliding connection with a second guide rail arranged on the side face of the connecting plate. The adjusting plate 206 is opened at positions corresponding to the paper passing groove 307 and the paper pressing groove 305 to prevent the processing from being affected.

The indexing positioning mechanism 4 is arranged at an opening on the upper surface of the processing table 1, a stator 5 to be embedded is clamped on the indexing positioning mechanism 4, the indexing positioning mechanism 4 comprises an indexing gear 401, a positioning gear 402, an indexing cylinder 403, a positioning cylinder 404 and a stator backing ring 405, the indexing gear 401, the positioning gear 402 and the stator backing ring are all annular with middle holes corresponding to the opening on the processing table 1, the indexing gear 401, the positioning gear 402 and the stator backing ring are coaxially arranged and keep synchronous rotation, the stator backing ring is arranged above the indexing gear 401 and the positioning gear 402 and is arranged on the processing table 1 through a bearing or other rotary connecting parts, a plurality of positioning grooves are uniformly arranged on the outer circumferential surface of the positioning gear 402 along the circumferential direction, the positioning cylinder 404 is horizontally arranged on the processing table 1 and is connected with a clamping plate 406 on a piston rod thereof, when the positioning cylinder 404 extends, the end part of the clamping plate 406 is abutted in, the indexing gear 401 is a ratchet wheel with an outer circular surface uniformly provided with a plurality of ratchets along the circumferential direction, the indexing cylinder 403 is horizontally arranged on the processing table 1, the end of a piston rod of the indexing cylinder is connected with an elastic push pawl, the elastic push pawl comprises a push plate 407 and a fixed block 408, the push plate 407 is an arc-shaped plate, one end of the push plate 407 is hinged with the fixed block 408, the other end of the push plate 407 abuts against the tooth groove of the indexing gear 401, the fixed block 408 is fixedly connected with a fixed plate 409, and the fixed plate 409 is connected with the outer arc surface of the push plate 407 through a compression.

The use principle of the scheme is as follows: fixing the stator 5 with the sleeved wire on the stator support ring, arranging the stator 5 and the stator support ring coaxially, wherein one groove of the stator 5 is opposite to the notch of the wire pressing block 304, extending the positioning cylinder 404 to fix the stator 5 through the clamping plate 406, passing the insulating paper 6 from the insulating paper raw material disc sequentially through the through hole, the guide wheel 210, the through groove and the two conveying wheels 205, extending the end part of the insulating paper 6 from the other end of the through groove and then into the strip-shaped hole 214 of the paper cutting block 208 through the paper passing groove 307, driving one conveying wheel 205 to rotate for a specified number of turns by the operation of the paper feeding motor 201, conveying the insulating paper extruded between the two conveying wheels 205 to a specified length forward, making the insulating paper above the convex block 213 and the groove to be embedded on the stator equal or other specified lengths, extending the paper cutting cylinder 203 to drive the paper cutting block 208 to move, and cutting the convex block 213 on the paper cutting block 208 through the groove of, the paper cutting cylinder 203 resets, the paper pressing cylinder 202 extends to drive the paper pressing plate 207 to extend into the paper pressing groove 305 and press insulating paper to the groove bottom of the paper pressing groove 305 for shaping, the paper pressing cylinder 202 resets, the line pressing cylinder 302 extends to drive the adjusting plate 206 to move to the discharge groove 308 along the first guide rail, the paper feeding groove and the material pushing rod 309 are all located right below a groove to be embedded on the stator, at the moment, the upper edge and the lower edge of one side, close to the stator, of the line pressing block 304 are in contact with a winding on the stator and are pulled outwards for a certain distance, the paper pushing cylinder 301 extends to drive the material pushing rod 309 to move upwards, insulating paper formed in the groove material warehouse 303 is pushed into the groove to be processed of the stator, the paper pushing cylinder 301 and the line pressing cylinder 302 sequentially reset, then the positioning cylinder 404 contracts to reset, the indexing cylinder 403 extends to push the indexing gear 401 to rotate through the end push plate 407, the positioning cylinder 404 extends to enable the clamping plate 406 to be clamped, the indexing cylinder 403 contracts to enable the end of the push plate 407 to be located in the next tooth groove, so that the machining of a groove to be embedded is completed, and the parts such as the paper feeding motor 201, the paper cutting cylinder 203 and the like complete the machining of a stator by repeating the steps for multiple times, so that the automatic machining operation is realized. Foretell motor 201 of form advancing is servo motor, and motor 201 of form advancing and a plurality of cylinder all insert in the PLC electrical control system, control the action of each moving part through compiling the program to guarantee the reliability of processing production, the electronic box that control system required can be placed in one side of operation panel, and screen and the operation interface that control system required can set up on the operation panel, thereby help daily production and processing work greatly.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. The utility model provides an automatic coil inserting machine of stator which characterized in that: comprises a processing table (1), an insulating paper processing mechanism (2), a coil inserting mechanism (3) and an indexing positioning mechanism (4), the insulating paper processing mechanism (2) comprises a paper feeding motor (201), a paper pressing cylinder (202) and a paper cutting cylinder (203), the paper feeding motor (201) is arranged on a mounting plate (204), the power shaft end of the paper feeding motor (201) and the mounting plate (204) are both provided with a conveying wheel (205), the paper feeding motor (201) drives the insulating paper (6) to be conveyed to the wire embedding mechanism (3) through the two conveying wheels (205), the mounting plate (204) is connected with the adjusting plate (206), the adjusting plate (206) is slidably mounted on a first guide rail on the lower surface of the processing table (1), the paper pressing cylinder (202) and the paper cutting cylinder (203) are respectively mounted at two ends of the adjusting plate (206), and the paper pressing plate (207) and the paper cutting block (208) are respectively mounted at the tail end of a piston rod of the paper pressing cylinder (202) and the tail end of a piston rod of the paper cutting cylinder (203); the wire embedding mechanism (3) comprises a paper pushing cylinder (301), a wire pressing cylinder (302), a groove material warehouse (303) and a wire pressing block (304), the groove material warehouse (303) is installed on the adjusting plate (206), two side faces of the groove material warehouse are respectively provided with a paper pressing groove (305) for a paper pressing plate (207) to penetrate through and a paper cutting groove (306) for a paper cutting block (208) to penetrate through, the upper surface of the groove material warehouse (303) is provided with a paper passing groove (307) for an insulating paper (6) to penetrate through, the paper passing groove (307) is communicated with the paper pressing groove (305) and the paper cutting groove (306), the processing table (1) is provided with an opening, the wire pressing block (304) is a T-shaped block penetrating through the opening, the bottom end of the wire pressing block (304) is fixedly connected with the upper end of the groove material warehouse, the bottom surface of the wire pressing block is provided with a discharge groove (308) communicated with the paper pressing groove (305), the paper pushing cylinder (301) is, the tail end of a piston of the paper pushing cylinder (301) is connected with a pushing rod (309), the pushing rod (309) is located under the discharge chute (308) to push the processed insulating paper (6) out of the discharge chute (308) through the paper pressing groove (305), the wire pressing cylinder (302) is installed on the bottom surface of the processing table (1), the tail end of a piston rod of the wire pressing cylinder is connected with the side surface of the groove material warehouse (303), and the indexing positioning mechanism (4) is installed at an opening in the upper surface of the processing table (1) to clamp and adjust a stator (5) to be processed.

2. The automatic stator coil inserting machine as claimed in claim 1, wherein: the processing table (1) is provided with a support rod (209) used for mounting an insulating paper raw material disc, and the support rod (209) is provided with a rotating shaft.

3. The automatic stator coil inserting machine as claimed in claim 2, wherein: the support rod (209) is arranged on the upper plate surface of the processing table (1), a through hole for the insulation paper (6) to pass through is formed in the processing table (1), and the guide wheel (210) is arranged on the mounting plate (204).

4. The automatic stator coil inserting machine as claimed in claim 3, wherein: be provided with deflector (211) on mounting panel (204), the logical groove that is used for insulating paper (6) to pass through is seted up to the terminal surface of deflector (211), deflector (211) side set up run through its both sides face and with lead to the conveyer trough that the groove communicates, two delivery wheel (205) are located the both sides of deflector (211) respectively, leading wheel (210) set up the tip in logical groove.

5. The automatic stator coil inserting machine as claimed in claim 1, wherein: a strip-shaped groove (212) is formed in the paper cutting block (208), and the strip-shaped groove (212) is correspondingly communicated with the paper pressing groove (305) so that a material pushing rod (309) can penetrate through the groove; the upper surface of the paper cutting block (208) is fixedly provided with a convex block (213), the convex block (213) is provided with a strip-shaped hole (214) penetrating through the bottom surface of the paper cutting block (208), the top wall of the paper cutting groove (306) is fixedly provided with a cutting block, and the bottom surface of the cutting block is provided with a groove corresponding to the shape of the convex block (213).

6. The automatic stator coil inserting machine as claimed in claim 5, wherein: the convex block (213) is a strip-shaped block with an isosceles trapezoid cross section and is parallel to the length direction of the paper cutting cylinder (203).

7. The automatic stator coil inserting machine as claimed in claim 1, wherein: the material pushing rod (309) is installed on a piston rod of the paper pushing cylinder (301) through a first installation block, and the side face of the installation block is in sliding connection with a second guide rail which is installed on the connection plate longitudinally; the paper pressing plate (207) is installed at the end part of a piston rod of the paper pressing cylinder (202) through a second installation block, the top of the second installation block is in sliding connection with a third guide rail installed on the bottom surface of the processing table (1), the side edge of the paper pressing plate (207) corresponds to the paper pressing groove (305), and the surface of the paper pressing plate (207) is perpendicular to the bottom surface of the processing table (1) and the paper surface of the insulating paper (6) located in the paper passing groove (307).

8. The automatic stator coil inserting machine as claimed in claim 1, wherein: the indexing positioning mechanism (4) comprises an indexing gear (401), a positioning gear (402), an indexing cylinder (403), a positioning cylinder (404) and a stator backing ring (405), wherein the positioning cylinder (404) and the indexing cylinder (403) are both installed on the machining table (1), the tail end of a piston rod of the positioning cylinder (404) is connected with a clamping plate (406) used for limiting the rotation of the positioning gear (402), the tail end of the piston rod of the indexing cylinder (403) is connected with an elastic push claw used for pushing the indexing gear (401) to rotate, the stator backing ring (405) used for clamping a stator (5) to be machined is installed above the indexing gear (401) and the positioning gear (402), and the stator backing ring (405), the positioning gear (402) and the indexing gear (401) are coaxially arranged and synchronously rotate.

9. The automatic stator coil inserting machine as claimed in claim 8, wherein: the elastic push claw comprises a push plate (407) and a fixing block (408), the push plate (407) is an arc-shaped plate, one end of the push plate is hinged to the fixing block (408), the fixing block (408) is connected with a fixing plate (409), and the fixing plate (409) is connected with the push plate (407) through a compression spring.

10. The automatic stator coil inserting machine as claimed in claim 8, wherein: the stator backing ring (405), the positioning gear (402) and the indexing gear (401) are all annular, and middle holes correspond to openings in the machining table (1).