Double-station synchronous stator winding machine and winding method thereof

Abstract

The invention relates to a double-station synchronous stator winding machine and a winding method thereof. The double-station synchronous stator winding machine comprises a synchronous material moving unit, a synchronous material receiving unit and a synchronous winding unit, the synchronous material moving unit comprises two rotating arms, a first driving unit and a lifting unit; clamping jaws are arranged at the two ends of the rotating arm; the synchronous material receiving unit comprises two material receiving tables, two groups of sliding rails and a second driving unit, the two material receiving tables are connected through a first connecting rod, helical gears are arranged at the two ends of the first connecting rod, and the synchronous material receiving unit further comprises two helical racks; a stator iron core jig for correspondingly receiving the stator iron core on the clamping jaw and a clamp for clamping the stator iron core are arranged on the material receiving table; the synchronous winding unit comprises a winding frame, a first Y-axis mechanism and two wire supply units; by means of the device, synchronous operation of the two winding stations can be reasonably achieved, the consistency of products on the two winding stations is guaranteed while the winding efficiency is improved, the overall structure is reasonable and compact, and the space utilization rate is high.

Description

Technical Field

[0001] The present invention relates to the technical field of motor processing, and more specifically, to a double-station synchronous stator winding machine and a winding method thereof. Background Art

[0002] The stator is the stationary part of the motor or generator, and is mainly composed of three parts: the stator core, the stator winding and the frame; the main function of the stator is to generate a rotating magnetic field, while the main function of the rotor is to be cut by the magnetic lines of force in the rotating magnetic field to generate (output) current; the stator winding is a part of the stator, and is usually made by winding wire on the stator core by a winding machine; most of the winding machines currently used are single-station winding methods. Although some winding machines are multi-station, they actually just put multiple single-station winding modules on a frame. A truly dual-station synchronous stator winding machine and its winding method are needed. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a double-station synchronous stator winding machine and a double-station synchronous stator winding method in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A double-station synchronous stator winding machine is constructed, which includes a synchronous material moving unit, a synchronous material receiving unit and a synchronous winding unit; the synchronous material moving unit includes two rotating arms, a first driving unit that drives the two rotating arms to rotate synchronously horizontally, and a lifting unit that drives the first driving unit to rise and fall; the rotating axis of the rotating arm is located at the center, and both ends of the rotating arm are provided with claws for clamping the stator core; the synchronous material receiving unit includes two material receiving tables, two sets of one-to-one corresponding slide rails for the material receiving tables to slide, and a second driving unit that drives any of the material receiving tables to move, and the two material receiving tables are connected by a first connecting rod. The first connecting rod Both ends of the connecting rod are provided with bevel gears, and the synchronous material receiving unit also includes two bevel racks corresponding to the bevel gears; the material receiving table is provided with a stator core fixture corresponding to the stator core on the clamping claw and a clamp for clamping the stator core; the synchronous winding unit includes a winding frame, a first Y-axis mechanism for driving the winding frame to move horizontally along the distribution direction of the two material receiving tables, and two wire supply units; the winding frame is provided with two groups of winding arms, a Z-axis mechanism for driving the two groups of winding arms to rise and fall synchronously, two groups of wire clamps, two groups of wire shears, and a second Y-axis mechanism for driving the two groups of wire clamps and the two groups of wire shears to move horizontally along the distribution direction of the two material receiving tables.

[0006] The double-station synchronous stator winding machine described in the present invention, wherein the winding arm includes a connecting seat, a longitudinal long strip support arm and a C-shaped winding head; the connecting seat is driven to rise and fall by the Z-axis mechanism, the support arm is fixedly arranged on the connecting seat, and a movable groove is opened on the support arm, and the movable groove connects the upper and lower ends of the support arm; the winding head is partially located in the movable groove and the middle part of the winding head is longitudinally rotatably connected to the support arm; a pushing rod is movably arranged in the movable groove, and the pushing rod is longitudinally rotatably connected to the upper part of the winding head, a wire tube is passed through the lower part of the winding head, and a first wire member is arranged on the support arm; a third driving unit for driving the pushing rod is arranged on the winding frame.

[0007] The double-station synchronous stator winding machine described in the present invention, wherein the third driving unit includes a screw, a driving motor for driving the screw and a movable seat; a connecting plate connecting the two connecting seats is provided on the winding frame, and the connecting plate is driven to rise and fall by the Z-axis mechanism; a mounting plate for mounting the driving motor is provided on the connecting plate, and the mounting plate is located above the connecting seat and is fixedly connected to the connecting seat through a vertical plate.

[0008] The double-station synchronous stator winding machine described in the present invention is characterized in that the vertical plate is provided with a track slidably connected to the movable seat; one end of the screw rod is connected to the movable end of the driving motor through a coupling, and the other end is rotatably connected to the mounting seat; the movable seat is provided with a through hole for the screw rod to pass through, and the screw nut of the screw rod is fixedly connected to the movable seat; the movable seat is provided with a slot for the upper end of the push rod to extend into, and a rotating shaft rotatably connected to the push rod is provided in the slot.

[0009] The double-station synchronous stator winding machine described in the present invention is characterized in that a second wire member is arranged at the upper end of the winding frame, a third wire member is arranged on the mounting plate, and the second wire member and the third wire member both include a wire wheel and a wire wheel mounting seat; a vertical pole for mounting the third wire member is arranged on the mounting plate, and the wire wheel of the third wire member is located directly above the first wire member.

[0010] The double-station synchronous stator winding machine described in the present invention, wherein the first Y-axis mechanism includes a movable plate and a screw drive assembly that drives the movable plate to move laterally, and the winding frame is fixed on the movable plate; the Z-axis mechanism includes a servo motor fixed on the winding frame, a driven wheel is provided on the winding frame, a driving wheel is provided on the movable end of the servo motor, and the driving wheel is connected to the driven wheel by a connecting belt; the connecting plate is driven to move up and down by the connecting belt, and the winding frame is provided with a plurality of longitudinal tracks that are slidably connected to the connecting plate.

[0011] The double-station synchronous stator winding machine described in the present invention, wherein the two receiving tables are also connected by two second connecting rods, and the two second connecting rods are respectively located on both sides of the stator core jig; two fixing seats for fixing the second connecting rods are provided on the receiving table, and the two fixing seats are respectively located on both sides of the stator core jig; the clamp includes a first clamp arm, a second clamp arm and a driving cylinder; one of the two fixing seats is fixedly provided with the driving cylinder, and the other is fixedly provided with the second clamp arm; the movable end of the driving cylinder is connected to a sliding seat slidably provided on the two second connecting rods, and the first clamp arm is fixedly provided on the sliding seat.

[0012] The double-station synchronous stator winding machine described in the present invention, wherein the double-station synchronous stator winding machine also includes a lifting frame, a lifting plate is longitudinally slidably arranged on the lifting frame, the first driving unit is fixed on the lifting plate, and the lifting unit is arranged on the lifting frame.

[0013] The double-station synchronous stator winding machine described in the present invention, wherein the rotating arm includes a rotating seat and a rotating column rotatably arranged on the rotating seat, and the rotating seat is fixed on the lifting plate; the first driving unit includes a rotating motor fixed on the lifting plate, and the rotating motor is located between the two rotating seats; the movable end of the rotating motor faces upward and drives the two rotating columns to rotate synchronously through a synchronous belt assembly; the rotating motor is provided with a tensioning wheel assembly for tensioning the synchronous belt.

[0014] A double-station synchronous stator winding method is applied to the double-station synchronous stator winding machine as described above, wherein the method comprises the steps of:

[0015] After the two stator cores are delivered to the loading position, the lifting unit drives the first drive unit downward, and the claws on the two rotating arms correspondingly grab the stator cores, and then the lifting unit drives the first drive unit upward, and the first drive unit drives the two rotating arms to rotate 180 degrees synchronously, so that the stator cores reach the receiving position;

[0016] The second driving unit drives any one receiving platform to move to the receiving position, and drives the other receiving platform to move to the receiving position through the first connecting rod. The two receiving platforms are synchronized by the cooperation of two sets of helical gears and helical racks during movement;

[0017] The lifting unit drives the first driving unit downward, and the stator core enters the corresponding stator core fixture, the clamping claws are released, and the fixture clamps the stator core; the two receiving tables are moved to the winding position under the drive of the second driving unit;

[0018] Before winding, the copper wire is pulled out from the wire supply unit, passes through the winding arm and the wire end is clamped by the wire clamp; during winding, the first Y-axis mechanism and the Z-axis mechanism cooperate to synchronously drive the two winding arms to wind, and the second drive unit drives the two receiving tables to move to cooperate. After winding, the second Y-axis mechanism drives the wire clamp and the wire cutter to the tail wire, cuts the tail wire and re-clamps the cut wire end with the wire clamp;

[0019] The two receiving platforms are moved to the receiving position under the drive of the second driving unit, the clamp is released, the lifting unit drives the first driving unit downward, the clamp clamps the stator core, the lifting unit drives the first driving unit upward, and the first driving unit drives the two rotating arms to rotate 180 degrees synchronously, so that the stator core reaches the loading position.

[0020] The beneficial effect of the present invention is that by using the device of the present application, the two winding stations can be reasonably synchronized, which improves the winding efficiency while ensuring the consistency of the products on the two winding stations. The overall structure is reasonable and compact, and the space utilization rate is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0022] Figure 1 It is a structural schematic diagram of a double-station synchronous stator winding machine of a preferred embodiment of the present invention;

[0023] Figure 2 This is a partial enlarged view of a double-station synchronous stator winding machine of a preferred embodiment of the present invention;

[0024] Figure 3 yes Figure 2 The enlarged schematic diagram at A in the middle;

[0025] Figure 4 yes Figure 2 The enlarged schematic diagram of point B in the middle;

[0026] Figure 5 This is another partial enlarged view of the double-station synchronous stator winding machine of the preferred embodiment of the present invention;

[0027] Figure 6 This is a structural schematic diagram of a dual-station synchronous stator winding machine from another perspective of a preferred embodiment of the present invention;

[0028] Figure 7 Figure 6 The enlarged schematic diagram at C in the middle;

[0029] Figure 8 It is a flow chart of a dual-station synchronous stator winding method according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0031] The double-station synchronous stator winding machine of the preferred embodiment of the present invention is as follows: Figure 1 See also Figure 2-Figure 7 , including a synchronous material moving unit 1, a synchronous material receiving unit 2 and a synchronous winding unit 3; the synchronous material moving unit 1 includes two rotating arms 10, a first driving unit 11 driving the two rotating arms 10 to rotate synchronously horizontally, and a lifting unit 12 driving the first driving unit 11 to move up and down; the rotation axis of the rotating arm 10 is located at its center, and both ends of the rotating arm 10 are provided with clamps 13 for clamping the stator core; the synchronous material receiving unit 2 includes two receiving platforms 20, two sets of slide rails 21 corresponding to each other for the receiving platforms 20 to slide, and a second driving unit 22 driving any receiving platform 20 to move, the two receiving platforms 20 are connected by a first connecting rod 23, and both ends of the first connecting rod 23 are provided with a bevel gear 2 30, the synchronous material receiving unit 2 also includes two bevel racks 24 corresponding to the bevel gears 230; the material receiving platform 20 is provided with a stator core fixture 25 corresponding to the stator core on the clamping claw 13 and a clamp for clamping the stator core; the synchronous winding unit 3 includes a winding frame 30, a first Y-axis mechanism 31 for driving the winding frame 30 to move horizontally along the distribution direction of the two material receiving platforms 20, and two wire supply units 32, and the winding frame 30 is provided with two groups of winding arms 33, a Z-axis mechanism 34 for driving the two groups of winding arms 33 to rise and fall synchronously, two groups of wire clamps 35, two groups of wire shears 36, and a second Y-axis mechanism 37 for driving the two groups of wire clamps 35 and the two groups of wire shears 36 to move horizontally along the distribution direction of the two material receiving platforms 20;

[0032] After the two stator cores are delivered to the loading position, the lifting unit 12 drives the first drive unit 11 downward, and the clamps 13 on the two rotating arms 10 correspondingly grab the stator cores, and then the lifting unit 12 drives the first drive unit 11 upward, and the first drive unit 11 drives the two rotating arms 10 to rotate 180 degrees synchronously, so that the stator cores reach the receiving position; wherein, the lifting unit 12 can be in the form of a cylinder, a screw rod, etc., which is not limited to this; the clamps 13 can be implemented with an existing structure; the first drive unit 11 can adopt the following structure, or can adopt an existing manipulator structure;

[0033] The second driving unit 22 drives any one of the receiving platforms 20 to move to the receiving position, and drives the other receiving platform 20 to move to the receiving position through the first connecting rod 23. The two receiving platforms 20 are synchronized by the cooperation of the two sets of bevel gears 230 and the bevel rack 24 during movement. It should be noted that the synchronization of this step is completed by the cooperation of the first connecting rod 23, the bevel gear 230 and the bevel rack 24, which can ensure high synchronization accuracy while simplifying the structure, reducing the number of drives and synchronization debugging costs, which is also one of the core features of realizing double-station synchronization in this application;

[0034] The lifting unit 12 drives the first driving unit 11 downward, and the stator core enters the corresponding stator core fixture 25, the clamping jaws 13 are released, and the fixture clamps the stator core; the two receiving tables 20 are moved to the winding position under the drive of the second driving unit 22;

[0035] Before winding, the copper wire is pulled out by the wire supply unit 32, passes through the winding arm 33 and the wire end is clamped by the wire clamp 35; during winding, the first Y-axis mechanism 31 and the Z-axis mechanism 34 cooperate to synchronously drive the two winding arms 33 to wind, and the second drive unit 22 drives the two receiving tables 20 to move for cooperation. After winding, the second Y-axis mechanism 37 drives the wire clamp 35 and the wire cutter 36 to the tail wire, cuts the tail wire and the wire clamp 35 re-clamps the cut wire end; so as to facilitate the continuous winding of the next product; of course, the wire end of the stator core that has been wound can also be further trimmed, which can be set as needed;

[0036] The two receiving platforms 20 are moved to the receiving position driven by the second driving unit 22, the clamp is released, the lifting unit 12 drives the first driving unit 11 downward, the clamping claw 13 clamps the stator core, the lifting unit 12 drives the first driving unit 11 upward, and the first driving unit 11 drives the two rotating arms 10 to rotate 180 degrees synchronously, so that the stator core reaches the loading position;

[0037] By applying the device of the present application, the two winding stations can be reasonably synchronized, which can improve the winding efficiency while ensuring the consistency of the products at the two winding stations. The overall structure is reasonable and compact, and the space utilization rate is high. It should be noted that on the basis of the double-station synchronization structure provided in the present application, the number of synchronized winding stations can be further increased to achieve three-station, four-station and other synchronization modes. The solution obtained based on this simple increase in quantity also falls within the protection scope of the present application.

[0038] Preferably, in order to better cooperate and realize the double-station synchronization in the winding stage, the present application also adopts a new type of winding arm 33 structure, which includes a connecting seat 330, a longitudinal long strip support arm 331 and a C-shaped winding head 332; the connecting seat 330 is driven to rise and fall by the Z-axis mechanism 34, and the support arm 331 is fixedly set on the connecting seat 330, and a movable groove 3310 is opened on the support arm 331, and the movable groove 331 connects the upper and lower ends of the support arm 331; the winding head 332 is partially located in the movable groove 331 and the middle part of the winding head 332 is longitudinally rotatably connected to the support arm 331; a push rod 333 is movably set in the movable groove 3310, and the push rod 333 is connected to the winding head 332 The upper part is longitudinally rotatably connected, a wire tube 334 is passed through the lower part of the winding head 332, and a first wire member 335 is arranged on the support arm 331; a third driving unit for driving the push rod 333 is arranged on the winding frame 30; the third driving unit includes a screw rod 3360, a driving motor 3361 for driving the screw rod 3360, and a movable seat 3362; a connecting plate 337 connecting two connecting seats 330 is arranged on the winding frame 30, and the connecting plate 337 is driven to rise and fall by the Z-axis mechanism 34; a mounting plate 338 for mounting the driving motor 3361 is arranged on the connecting plate 337, and the mounting plate 338 is located above the connecting seat 330 and is fixedly connected to the connecting seat 330 through a vertical plate 339;

[0039] By adopting this structural design, the long strip support arm 331 can be connected to the winding head 332 and extend into the stator core for winding; the winding head 332 adopts a C-type structure, and can be freely rotated around the rotating connection point with the support arm 331 by the push of the push rod 333, so as to flexibly adjust the winding angle; of course, the shape of the winding head can also be replaced with a U-shape or other similar shapes, and the solution obtained based on the conventional replacement of such similar shapes also belongs to the protection scope of this application; the drive of the push rod 333 relies on the drive motor 3361 to drive the screw rod 3360, and the screw rod 3369 to drive the movable seat 3362 to achieve high precision; at the same time, it is also equipped with a connecting seat 330, a connecting plate 337, and a vertical plate 339 to ensure the stability of the assembly of the drive motor 3361 and the screw rod 3360; the overall structure is reasonable and extremely compact, and the space utilization rate is high.

[0040] Furthermore, a track 3390 is provided on the vertical plate 339 for slidingly connecting the movable seat 3362; one end of the screw rod 3360 is connected to the movable end of the driving motor 3361 through a coupling 3363, and the other end is rotatably connected to the mounting seat 338; the structural layout is reasonable and the assembly is convenient; a through hole 3364 is provided on the movable seat 3362 for the screw rod to pass through, and the screw nut of the screw rod 3360 is fixedly connected to the movable seat 3362; a slot 3365 is provided on the movable seat 3362 for the upper end of the push rod 333 to extend into, and a rotating shaft 3366 rotatably connected to the push rod is provided in the slot 3365; the driving stability of the push rod 333 is good, and the control accuracy is relatively high.

[0041] Preferably, a second conductor 300 is provided at the upper end of the winding frame 30, and a third conductor 3380 is provided on the mounting plate 338, and both the second conductor 300 and the third conductor 3380 include a conductor wheel and a conductor wheel mounting seat; a vertical pole 3381 for mounting the third conductor is provided on the mounting plate 338, and the conductor wheel of the third conductor 3380 is located directly above the first conductor 335; the first conductor can be in the form of one or more conductor wheels, conductor rings, or a combination of the two, and through the distribution structure of such conductors, the copper wire on the wire supply unit can be reasonably guided to the winding head to ensure smooth winding.

[0042] Preferably, the first Y-axis mechanism 31 includes a movable plate 310 and a screw drive assembly 311 for driving the movable plate 310 to move horizontally, and the winding frame 30 is fixed on the movable plate 310; the Z-axis mechanism 34 includes a servo motor 340 fixed on the winding frame 30, and a driven wheel 341 is provided on the winding frame 30 for longitudinal rotation, and a driving wheel is provided at the movable end of the servo motor 340, and the driving wheel and the driven wheel are connected by a connecting belt 342; the connecting plate 337 is driven to move up and down by the connecting belt 342, and the winding frame 30 is provided with multiple longitudinal tracks 343 for slidingly connecting the connecting plate 337; the structure is reasonable and compact, and can reasonably drive the connecting plate 337 to move along the Y-axis and the Z-axis, and in the X-axis direction, the above-mentioned second driving unit 22 drives the two material receiving tables 20 to move for coordination.

[0043] Preferably, the two receiving platforms 20 are also connected by two second connecting rods 27, and the two second connecting rods 27 are respectively located on both sides of the stator core fixture 25; two fixed seats 200 for fixing the second connecting rods 27 are provided on the receiving platform 20, and the two fixed seats 200 are respectively located on both sides of the stator core fixture 25; the fixture includes a first clamping arm 260, a second clamping arm 261 and a driving cylinder 262; two fixed seats 200, one of which is fixedly provided with a driving cylinder 262, and the other is fixedly provided with a second clamping arm 261; the movable end of the driving cylinder 262 is connected to a sliding seat 263 slidably provided on the two second connecting rods 27, and the first clamping arm 261 is fixedly provided on the sliding seat 263; relying on the second connecting rod 27, the reliability of the connection between the two receiving platforms 20 is further enhanced, and at the same time, the second connecting rod 27 also serves as a guide shaft to guide the movement of the sliding seat 263, thereby ensuring the activity stability of the first clamping arm 261.

[0044] Preferably, the double-station synchronous stator winding machine also includes a lifting frame 4, on which a lifting plate 41 is longitudinally slidably arranged, a first driving unit 11 is fixed on the lifting plate 41, and a lifting unit 12 (a cylinder, a screw rod, etc. may be used) is arranged on the lifting frame; the rotating arm 10 includes a rotating seat 100 and a rotating column 101 rotatably arranged on the rotating seat, and the rotating seat is fixed on the lifting plate 41; the first driving unit 11 includes a rotating motor 110 fixed on the lifting plate, and the rotating motor 110 is located between the two rotating seats 100; the movable end of the rotating motor 110 faces upward and drives the two rotating columns 101 to rotate synchronously through a synchronous belt assembly 111; the rotating motor 110 is provided with a tensioning wheel assembly 112 for tensioning the synchronous belt; the structure is reasonable and compact, and the synchronous loading and unloading of the two rotating arms can be better controlled by means of a synchronous belt.

[0045] A double-station synchronous stator winding method is applied to the double-station synchronous stator winding machine as described above. Figure 8 As shown, the method comprises the steps of:

[0046] S01: After the two stator cores are delivered to the loading position, the lifting unit drives the first driving unit downward, and the claws on the two rotating arms correspondingly grab the stator cores, and then the lifting unit drives the first driving unit upward, and the first driving unit drives the two rotating arms to rotate 180 degrees synchronously, so that the stator cores reach the receiving position;

[0047] S02: The second driving unit drives one receiving platform to move to the receiving position, and drives the other receiving platform to move to the receiving position through the first connecting rod. The two receiving platforms are synchronized by the cooperation of two sets of helical gears and helical racks during the movement.

[0048] S03: The lifting unit drives the first driving unit downward, the stator core enters the corresponding stator core fixture, the clamping claws are released, and the fixture clamps the stator core; the two receiving tables are driven by the second driving unit to move to the winding position;

[0049] S04: Before winding, the copper wire is pulled out from the wire supply unit, passes through the winding arm and the wire end is clamped by the wire clamp; during winding, the first Y-axis mechanism and the Z-axis mechanism cooperate to synchronously drive the two winding arms to wind, and the second drive unit drives the two receiving tables to move to cooperate. After winding, the second Y-axis mechanism drives the wire clamp and the wire cutter to the tail wire, cuts the tail wire and re-clamps the cut wire end with the wire clamp;

[0050] S05: The two receiving platforms are driven by the second driving unit to move to the receiving position, the clamp is released, the lifting unit drives the first driving unit downward, the clamp clamps the stator core, the lifting unit drives the first driving unit upward, and the first driving unit drives the two rotating arms to rotate 180 degrees synchronously, so that the stator core reaches the loading position;

[0051] By applying the method of the present application, the two winding stations can be reasonably operated synchronously, which can improve the winding efficiency while ensuring the consistency of the products on the two winding stations. The overall structure is reasonable and compact, and the space utilization rate is high.

[0052] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A double-station synchronous stator winding machine, characterized in that: It includes a synchronous material moving unit, a synchronous material receiving unit and a synchronous winding unit; the synchronous material moving unit includes two rotating arms, a first driving unit driving the two rotating arms to rotate synchronously horizontally, and a lifting unit driving the first driving unit to lift; the rotating axis of the rotating arm is located at its center, and both ends of the rotating arm are provided with clamps for clamping the stator core; the synchronous material receiving unit includes two material receiving tables, two sets of one-to-one corresponding slide rails for the material receiving tables to slide, and a second driving unit driving any of the material receiving tables to move, the two material receiving tables are connected by a first connecting rod, and both ends of the first connecting rod are provided with Helical gears, the synchronous material receiving unit also includes two helical racks corresponding to the helical gears; the material receiving table is provided with a stator core fixture corresponding to the stator core on the clamp and a clamp for clamping the stator core; the synchronous winding unit includes a winding frame, a first Y-axis mechanism for driving the winding frame to move horizontally along the distribution direction of the two material receiving tables, and two wire supply units, and the winding frame is provided with two groups of winding arms, a Z-axis mechanism for driving the two groups of winding arms to rise and fall synchronously, two groups of wire clamps, two groups of wire shears, and a second Y-axis mechanism for driving the two groups of wire clamps and the two groups of wire shears to move horizontally along the distribution direction of the two material receiving tables.

2. The double-station synchronous stator winding machine according to claim 1, characterized in that: The winding arm includes a connecting seat, a longitudinal long strip support arm and a C-shaped winding head; the connecting seat is driven to rise and fall by the Z-axis mechanism, the support arm is fixedly arranged on the connecting seat, a movable groove is provided on the support arm, and the movable groove connects the upper and lower ends of the support arm; the winding head is partially located in the movable groove and the middle part of the winding head is longitudinally rotatably connected to the support arm; a pushing rod is movably arranged in the movable groove, the pushing rod is longitudinally rotatably connected to the upper part of the winding head, a wire tube is passed through the lower part of the winding head, and a first wire member is arranged on the support arm; a third driving unit for driving the pushing rod is arranged on the winding frame.

3. The double-station synchronous stator winding machine according to claim 2, characterized in that: The third driving unit includes a screw rod, a driving motor for driving the screw rod and a movable seat; a connecting plate connecting the two connecting seats is provided on the winding frame, and the connecting plate is driven to rise and fall by the Z-axis mechanism; a mounting plate for mounting the driving motor is provided on the connecting plate, and the mounting plate is located above the connecting seat and is fixedly connected to the connecting seat through a vertical plate.

4. The double-station synchronous stator winding machine according to claim 3, characterized in that: The vertical plate is provided with a track slidably connected to the movable seat; one end of the screw rod is connected to the movable end of the driving motor through a coupling, and the other end is rotatably connected to the mounting seat; the movable seat is provided with a through hole for the screw rod to pass through, and the screw nut of the screw rod is fixedly connected to the movable seat; the movable seat is provided with a slot for the upper end of the push rod to extend into, and a rotating shaft rotatably connected to the push rod is provided in the slot.

5. The double-station synchronous stator winding machine according to claim 3, characterized in that: A second wire member is arranged at the upper end of the winding frame, and a third wire member is arranged on the mounting plate, and the second wire member and the third wire member both include a wire wheel and a wire wheel mounting seat; a vertical pole for mounting the third wire member is arranged on the mounting plate, and the wire wheel of the third wire member is located directly above the first wire member.

6. The double-station synchronous stator winding machine according to claim 3, characterized in that: The first Y-axis mechanism includes a movable plate and a screw drive assembly for driving the movable plate to move laterally, and the winding frame is fixed on the movable plate; the Z-axis mechanism includes a servo motor fixed on the winding frame, a driven wheel is provided on the winding frame, a driving wheel is provided on the movable end of the servo motor, and the driving wheel is connected to the driven wheel by a connecting belt; the connecting plate is driven to move up and down by the connecting belt, and the winding frame is provided with a plurality of longitudinal tracks that are slidably connected to the connecting plate.

7. The double-station synchronous stator winding machine according to claim 1, characterized in that: The two receiving platforms are also connected by two second connecting rods, and the two second connecting rods are respectively located on both sides of the stator core jig; two fixing seats for fixing the second connecting rods are provided on the receiving platform, and the two fixing seats are respectively located on both sides of the stator core jig; the clamp includes a first clamp arm, a second clamp arm and a driving cylinder; one of the two fixing seats is fixedly provided with the driving cylinder, and the other is fixedly provided with the second clamp arm; the movable end of the driving cylinder is connected to a sliding seat slidably provided on the two second connecting rods, and the first clamp arm is fixedly provided on the sliding seat.

8. The double-station synchronous stator winding machine according to claim 1, characterized in that: The double-station synchronous stator winding machine further comprises a lifting frame, a lifting plate is longitudinally slidably arranged on the lifting frame, the first driving unit is fixed on the lifting plate, and the lifting unit is arranged on the lifting frame.

9. The double-station synchronous stator winding machine according to claim 8, characterized in that: The rotating arm includes a rotating seat and a rotating column rotatably arranged on the rotating seat, and the rotating seat is fixed on the lifting plate; the first driving unit includes a rotating motor fixed on the lifting plate, and the rotating motor is located between the two rotating seats; the movable end of the rotating motor faces upward and drives the two rotating columns to rotate synchronously through a synchronous belt assembly; the rotating motor is provided with a tensioning wheel assembly for tensioning the synchronous belt.

10. A double-station synchronous stator winding method, applied to the double-station synchronous stator winding machine as claimed in any one of claims 1 to 9, characterized in that: The method comprises the steps of: After the two stator cores are delivered to the loading position, the lifting unit drives the first drive unit downward, and the claws on the two rotating arms correspondingly grab the stator cores, and then the lifting unit drives the first drive unit upward, and the first drive unit drives the two rotating arms to rotate 180 degrees synchronously, so that the stator cores reach the receiving position; The second driving unit drives any one receiving platform to move to the receiving position, and drives the other receiving platform to move to the receiving position through the first connecting rod. The two receiving platforms are synchronized by the cooperation of two sets of helical gears and helical racks during movement; The lifting unit drives the first driving unit downward, and the stator core enters the corresponding stator core fixture, the clamping claws are released, and the fixture clamps the stator core; the two receiving tables are moved to the winding position under the drive of the second driving unit; Before winding, the copper wire is pulled out from the wire supply unit, passes through the winding arm and the wire end is clamped by the wire clamp; during winding, the first Y-axis mechanism and the Z-axis mechanism cooperate to synchronously drive the two winding arms to wind, and the second drive unit drives the two receiving tables to move to cooperate. After winding, the second Y-axis mechanism drives the wire clamp and the wire cutter to the tail wire, cuts the tail wire and re-clamps the cut wire end with the wire clamp; The two receiving platforms are moved to the receiving position under the drive of the second driving unit, the clamp is released, the lifting unit drives the first driving unit downward, the clamp clamps the stator core, the lifting unit drives the first driving unit upward, and the first driving unit drives the two rotating arms to rotate 180 degrees synchronously, so that the stator core reaches the loading position.

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