An automatic coil winding machine

Abstract

An automated coil winding machine comprises a workbench, wherein a fixing device is provided at the upper end of the workbench, wherein the fixing device comprises a fixing box, wherein a rotating shaft is provided inside the fixing box, wherein a fixing disk is provided on the right side of the rotating shaft, wherein a first stepper motor is provided at the lower end of the rotating shaft, wherein the first stepper motor drives the rotating shaft to rotate through a transmission mechanism, wherein a plurality of evenly arranged coil holders are provided on the outer side of the fixing disk, wherein a card slot is provided on the outer side of the coil holder, wherein a winding device is provided on the right side of the fixing device, wherein the winding device comprises a moving box, wherein a first sliding mechanism is provided at the lower end of the moving box, wherein a first screw rod module for driving the moving box to move left and right is installed on the outer side of the moving box, wherein a winding shaft is rotatably connected to the inner side of the moving box, wherein a second stepper motor is provided at the lower end of the winding shaft, wherein the second stepper motor drives the winding shaft to rotate through a transmission mechanism, wherein a wire through hole is provided at the inner center position of the winding shaft, wherein a connecting portion is fixedly connected to the outer side of the left end of the winding shaft, wherein a wire outlet is fixedly connected to the outer side of the connecting portion, and a wire outlet end of the wire outlet is fixedly connected to a hollow needle tube.

Description

Technical Field

[0001] The invention relates to the technical field of winding machines, and in particular to an automatic coil winding machine. Background Art

[0002] At present, coil winding is an indispensable part of the motor. A motor usually needs multiple coil windings according to the design requirements, so the production efficiency of coil winding is much higher than the production efficiency of other individual components of the motor. In the past, coil winding was mostly wound manually, which was labor-intensive and inefficient. The tightness of the winding was also difficult to control, and the quality of the stator coil winding could not be guaranteed.

[0003] The motors of existing winding machines are mostly controlled by manual controllers. During operation, workers manually press buttons on the manual controller to control the start and stop and speed of the motor. Since the wire needs to be manually guided to the winding module during winding, and the workers manually control the motor operation, workers have to do more manual operations, the operation is cumbersome, and the winding efficiency is low. Summary of the invention

[0004] The present invention aims to solve the problems existing in the above-mentioned prior art and provides an automated coil winding machine. The device has a reasonable structural design and only requires manual guidance of the wire to the winding device at startup. The manual operation by workers is less and simple, thereby greatly increasing the winding efficiency.

[0005] The present invention solves its technical problems by adopting a technical solution: an automated coil winding machine comprises a workbench, a fixing device for fixing the coil winding is provided at the upper end of the workbench, the fixing device comprises a fixing box, a rotating shaft is rotatably connected to the inner side of the fixing box, the right side of the rotating shaft passes through the fixing box and is fixedly connected to a fixing disk, a first stepper motor is provided at the lower end of the rotating shaft and is located inside the fixing box, the first stepper motor drives the rotating shaft to rotate through a transmission mechanism, a plurality of evenly arranged coil holders are provided on the outer side of the fixing disk, a card slot for fixing the coil winding is provided on the outer side of the coil holder, a winding device is provided on the right side of the fixing device, the winding device comprises a moving box, a first sliding mechanism installed on the upper end of the workbench is provided at the lower end of the moving box, a first screw rod module for driving the moving box to move left and right is installed on the outer side of the moving box, and a first screw rod module for driving the moving box to move left and right is installed inside the moving box. The side is rotatably connected with a winding shaft, and the lower end of the winding shaft is provided with a second stepper motor located inside the moving box. The second stepper motor drives the winding shaft to rotate through a transmission mechanism, and a wire hole is opened at the center position of the inner side of the winding shaft. The outer side of the left end of the winding shaft is fixedly connected with a connecting part located outside the moving box, and the outer side of the connecting part is fixedly connected with a wire outlet device which is arranged to rotate around the coil holder driven by the winding shaft. The wire outlet end of the wire outlet device is fixedly connected with a hollow needle tube for passing the copper wire. A fixing device is provided to position and fix multiple coil windings. The winding device is driven to move left and right in a cycle by the first screw module, and the winding shaft and the wire outlet device are driven to rotate around the coil winding holder by the second stepper motor, so that the copper wire is wound around the outside of the coil winding in turn, thereby realizing the winding operation of the coil windings outside several coil holders.

[0006] In order to further improve, a tensioning device for clamping the copper wire is provided between the fixing device and the winding device, the tensioning device includes a supporting platform installed on the workbench, a sliding platform is provided at the upper end of the supporting platform, a second sliding mechanism is provided at the lower end of the sliding platform installed at the upper end of the supporting platform, a second screw rod module is fixedly connected to the left end of the sliding platform to drive the sliding platform to move to one side of the fixing device, a cylinder mounting seat is rotatably connected to the upper end of the sliding platform, a limiting nut is rotatably connected to the inner side of the cylinder mounting seat, the lower end of the limiting nut passes through the cylinder mounting seat and is threadedly connected to the inner side of the sliding platform, a connecting ring is rotatably connected to the upper end of the cylinder mounting seat, and a connecting ring for pushing the air is fixedly connected to the outer side of the connecting ring The cylinder mounting seat rotates a pushing cylinder, and the pushing cylinder is fixedly connected to the outer side of the sliding table. The inner side of the cylinder mounting seat is fixedly connected with a first telescopic cylinder arranged toward the fixing device. The outer side of the piston end of the first telescopic cylinder is provided with a piston sleeve fixedly connected to the outer side of the cylinder mounting seat. A receiving groove is opened at the front end of the piston sleeve. The piston end of the first telescopic cylinder is slidably connected in the piston sleeve and is fixedly connected with a cover plate for covering the receiving groove. A tensioning device is provided. Through the tensioning device, the copper wire on the outside of the coil winding can be clamped in the clamping groove on the outside of the coil winding when the copper wire on the outside of the coil winding is subsequently wound, thereby ensuring the number of coil winding gates and the processing quality of the coil winding.

[0007] To further improve, a first wire wheel groove is opened on the inner side of the left end of the winding shaft, and a first wire wheel for guiding the copper wire is rotatably connected to the inner side of the first wire wheel groove, a second wire wheel groove is opened on the inner side of the wire outlet, and a second wire wheel for guiding the copper wire is rotatably connected to the inner side of the second wire wheel groove, an outwardly bent outwardly expansion portion is provided at the middle end of the wire outlet, and the second wire wheel groove is opened on the inner side of the outward expansion portion, and a first wire wheel and a second wire wheel are provided, so that the transportation of the copper wire is smoother and the number of times the copper wire breaks during transportation is reduced. The outward expansion portion is provided, and a larger wire wheel is required when winding thicker copper wire, so that there is more space to install the wire wheel while ensuring that the moment of inertia remains unchanged.

[0008] For further improvement, a tensioner installed on the workbench for guiding the copper wire is provided on the right side of the winding device. The tensioner is provided to control the constant tension of the copper wire during the winding process, ensure the tightness of the copper wire during the winding process, and ensure that the coil winding is tightly wound.

[0009] For further improvement, a threaded hole is opened on the inner side of the coil holder, and a mounting hole corresponding to the threaded hole is opened on the inner side of the fixing plate. A nut is fixedly connected to the left side of the mounting hole, a tension screw is threadedly connected to the inner side of the nut, and the right side of the tension screw is threadedly connected to the threaded hole. The coil holder is locked and fixed to the outer side of the fixing plate by the tension screw, so that the coil holder can be replaced accordingly according to different types and sizes of coil windings, making the device more adaptable and practical.

[0010] For further improvement, an auxiliary guiding device is provided between the winding device and the tensioner, and the auxiliary guiding device includes a support rod fixed on the workbench, and the front end of the support rod is rotatably connected to a guide wheel arranged corresponding to the wire through hole, and the height of the lower end of the guide wheel relative to the workbench is the same as the height of the center of the wire through hole relative to the workbench. An auxiliary guiding device is provided so that the copper wire led out from the tensioner passes through the guide wheel and enters the wire through hole of the winding shaft, so that the copper wire is arranged relatively parallel to the wire through hole when entering the winding shaft, thereby avoiding contact between the copper wire and the winding shaft and causing certain damage to the outer surface of the copper wire.

[0011] For further improvement, the slot includes a groove opened in the coil holder, and the left and right sides of the groove are provided with limiting grooves for clamping the left and right ends of the coil winding. The left and right sides of the coil winding are clamped and installed in the limiting grooves, making the installation of the coil winding convenient.

[0012] A method for using an automated coil winding machine comprises the following steps:

[0013] Threading the copper wire: Pass the copper wire through the tensioner, and then through the lower end of the guide wheel and into the wire hole of the winding shaft. After passing through the wire hole, the copper wire passes through the first wire wheel and turns to the second wire wheel, and finally passes through the upper end of the second wire wheel and comes out of the hollow needle tube;

[0014] Install the coil windings: insert several coil windings into the slots on the coil holder in sequence;

[0015] Coil winding: Manually pull the copper wire out of the coil winding around the front end of the outlet, start the second stepper motor, and drive the winding shaft to rotate through the second stepper motor. The winding shaft drives the outlet to rotate around the coil winding. At the same time, the first screw module drives the winding device to move back and forth left and right, so that the copper wire is wound around the outside of the coil winding in an orderly manner. When the number of turns of a coil winding reaches the set number of turns, the winding device stops moving left and right and rotating. The first stepper motor drives the rotating shaft and the fixed disk to rotate, so that the coil winding on the second coil holder reaches the winding position, and the second screw module drives the sliding table to move to one side of the fixing device. Move to the position corresponding to the receiving groove and the pulled-out copper wire, push the cylinder to retract, and then the cylinder mounting seat rotates counterclockwise around the rotation center, so that the copper wire that has been wound around the coil winding and subsequently pulled out is just stuck in the receiving groove, then the piston end of the first telescopic cylinder withdraws forward to drive the cover plate to cover the receiving groove, so that the copper wire is stuck in the receiving groove, then push the cylinder out to restore to its original position, and at the same time the second screw module continues to drive the sliding table to move to the corresponding position on one side of the fixing device, so that the rear end of the copper wire stuck in the receiving groove is stuck in the outer side of the coil winding on the coil holder, and then the second stepper motor drives the winding shaft to rotate, and the above winding operation is repeated;

[0016] Removing the coil winding: When the coil winding wound on the fixing device rotates to the front end, the wound coil winding is manually removed from the card slot and a new coil winding is reinstalled during the winding stage when the fixing device stops, thereby realizing the continuous operation of the winding machine.

[0017] The beneficial effects of the present invention are: the present invention has a reasonable structural design, and is provided with a fixing device to position and fix multiple coil windings. The winding device is driven to move left and right in a cycle by the first screw rod module, and the winding shaft and the wire outlet are driven to rotate around the coil fixer by the second stepper motor, so that the copper wire is wound around the outside of the coil winding in turn. It only needs to manually guide the wire to the winding device at startup, and the subsequent device can automatically realize the winding operation. The manual operation of workers is less and simple, thereby greatly increasing the winding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 is a schematic diagram of the structure of the fixing device;

[0020] Figure 3 It is a top view of the winding device when the outlet device is provided with an outward expansion portion;

[0021] Figure 4It is a structural schematic diagram of a winding device;

[0022] Figure 5 It is a structural schematic diagram of the tensioning device;

[0023] Figure 6 It is a schematic diagram of the structure of the piston sleeve;

[0024] Figure 7 Schematic diagram of the structure of the coil holder.

[0025] Explanation of reference numerals: 1. workbench, 2. fixing device, 2-1. fixing box, 2-2. rotating shaft, 2-3. fixing disk, 2-4. first stepping motor, 2-5. coil holder, 2-6. slot, 3. winding device, 3-1. moving box, 4. first sliding mechanism, 5. first screw rod module, 3-2. winding shaft, 3-3. second stepping motor, 3-4. wire hole, 3-5. connecting part, 3-6. wire outlet, 3-7. hollow needle tube, 6. tensioning device, 6-1. supporting platform, 6-2. sliding table, 6-3. second sliding Mechanism, 6-4, second screw rod module, 6-5, cylinder mounting seat, 6-6, connecting ring, 6-7, pushing cylinder, 6-8, first telescopic cylinder, 6-9, piston sleeve, 6-10, accommodating groove, 6-11, cover plate, 7, first wire wheel groove, 8, first wire wheel, 9, second wire wheel groove, 10, second wire wheel, 11, expansion part, 12, tensioner, 13, threaded hole, 14, mounting hole, 15, nut, 16, loose screw, 17, support rod, 18, guide wheel, 19, groove, 20, limit groove, 21, limit nut. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings:

[0027] Referring to the accompanying drawings: in this embodiment, an automated coil winding machine comprises a workbench 1, a fixing device 2 for fixing the coil winding is provided at the upper end of the workbench 1, the fixing device 2 comprises a fixing box 2-1, a rotating shaft 2-2 is rotatably connected to the inner side of the fixing box 2-1, the rotating shaft 2-2 passes through the fixing box 2-1 on the right side and is fixedly connected to a fixing disk 2-3, a first stepper motor 2-4 is provided at the lower end of the rotating shaft 2-2 and is located on the inner side of the fixing box 2-1, the first stepper motor 2-4 drives the rotating shaft 2-2 to rotate through a transmission mechanism, a plurality of evenly arranged coil holders 2-5 are provided on the outer side of the fixing disk 2-3, a card slot 2-6 for fixing the coil winding is opened on the outer side of the coil holder 2-5, a winding device 3 is provided on the right side of the fixing device 2, the winding device 3 comprises a moving box 3-1, a first sliding mechanism 4 installed on the upper end of the workbench 1 is provided at the lower end of the moving box 3-1, a first screw module 5 for driving the moving box 3-1 to move left and right is installed on the outer side of the moving box 3-1, a first screw rod module 5 for driving the moving box 3-1 to move left and right is installed on the inner side of the moving box 3-1 A winding shaft 3-2 is connected, and a second stepper motor 3-3 located inside the moving box 3-1 is provided at the lower end of the winding shaft 3-2. The second stepper motor 3-3 drives the winding shaft 3-2 to rotate through a transmission mechanism. A wire hole 3-4 is opened at the center position of the inner side of the winding shaft 3-2. A connecting part 3-5 located outside the moving box 3-1 is fixedly connected to the outer side of the left end of the winding shaft 3-2. A wire outlet 3-5 is fixedly connected to the outer side of the connecting part 3-5, which is driven by the winding shaft 3-2 to rotate around the coil holder 2-5. 6. The outlet end of the outlet device 3-6 is fixedly connected with a hollow needle tube 3-7 for passing the copper wire. A fixing device 2 is provided to position and fix multiple coil windings. The winding device 3 is driven to move left and right in a cycle by the first screw module 5. At the same time, the winding shaft 3-2 and the outlet device 3-6 are driven to rotate around the coil holder 2-5 by the second stepping motor 3-3, so that the copper wire is wound around the outside of the coil winding in turn, thereby realizing the winding operation of the coil windings outside several coil holders 2-5.

[0028] The transmission mechanism may be a belt transmission, and corresponding pulleys are arranged on the winding shaft 3-2, the rotating shaft 2-2, the first stepper motor and the second stepper motor, and then a belt is arranged outside the corresponding pulley for transmission, so that the first stepper motor drives the rotating shaft 2-2 to rotate, and the second stepper motor drives the winding shaft 3-2 to rotate;

[0029] The first sliding mechanism and the second sliding mechanism can be existing slider guide rail structures, the slider on the first sliding mechanism is installed at the bottom of the moving box 3-1, the guide rail is installed at the upper end of the workbench 1, the slider on the second sliding mechanism is installed at the bottom of the sliding platform 6-2, and the guide rail is installed at the upper end of the support platform 6-1;

[0030] The slot 2-6 and the coil winding may be interference fit, thereby ensuring the stability of the coil winding.

[0031] like Figure 5 As shown, a tensioning device 6 for clamping the copper wire is provided between the fixing device 2 and the winding device 3, and the tensioning device 6 includes a supporting platform 6-1 installed on the workbench, a sliding platform 6-2 is provided on the upper end of the supporting platform 6-1, and a second sliding mechanism 6-3 installed on the upper end of the supporting platform 6-1 is provided on the lower end of the sliding platform 6-2, and a second screw module 6-4 that drives the sliding platform 6-2 to move toward one side of the fixing device 2 is fixedly connected to the left end of the sliding platform 6-2, and a cylinder mounting seat 6-5 is rotatably connected to the upper end of the sliding platform 6-2, and a limiting nut 21 is rotatably connected to the inner side of the cylinder mounting seat 6-5, and the lower end of the limiting nut 21 passes through the cylinder mounting seat 6-5 and is threadedly connected to the inner side of the sliding platform 6-2, and a connecting ring 6-6 is rotatably connected to the upper end of the cylinder mounting seat 6-5, and a connecting ring 6-6 is fixedly connected to the outer side of the connecting ring 6-6 for pushing The driving cylinder 6-7 of the moving cylinder mounting seat 6-5 is rotated, and the driving cylinder 6-7 is fixedly connected to the outer side of the sliding platform 6-2. The inner side of the cylinder mounting seat 6-5 is fixedly connected with a first telescopic cylinder 6-8 arranged toward the fixing device 2. The outer side of the piston end of the first telescopic cylinder 6-8 is provided with a piston sleeve 6-9 fixedly connected to the outer side of the cylinder mounting seat 6-5. The front end of the piston sleeve 6-9 is provided with a receiving groove 6-10. The piston end of the first telescopic cylinder 6-8 is slidably connected in the piston sleeve 6-9 and is fixedly connected with a cover plate 6-11 for covering the receiving groove 6-10. A tensioning device 6 is provided. Through the tensioning device 6, the copper wire on the outer side of the coil winding can be clamped into the clamping groove on the outer side of the coil winding when the copper wire on the outer side of the coil winding is subsequently wound, so as to ensure the number of coil winding gates and the processing quality of the coil winding at the same time.

[0032] The first stepper motor 2-4, the first screw module 5, the second stepper motor 3-3, and the second screw module 6-4 are respectively connected to the controller through wires, and the opening and closing of the device are controlled by the controller. The pushing cylinder 6-7 and the first telescopic cylinder 6-8 are connected to the controller through the reversing valve, and the reversing of the reversing valve is controlled by the controller to realize the telescopic movement of the pushing cylinder 6-7 and the first telescopic cylinder 6-8.

[0033] like Figure 4 As shown, a first wire wheel groove 7 is opened on the inner side of the left end of the winding shaft 3-2, and a first wire wheel 8 for guiding the copper wire is rotatably connected to the inner side of the first wire wheel groove 7, and a second wire wheel 10 for guiding the copper wire is rotatably connected to the inner side of the second wire wheel groove 9, and an outward-bent expansion portion 11 is provided at the middle end of the wire outlet 3-6, and the second wire wheel groove 9 is opened on the inner side of the outward-bent portion 11, and a first wire wheel 8 and a second wire wheel 10 are provided, so that the transportation of the copper wire is smoother and the number of times the copper wire breaks during the transportation process is reduced. The outward-bent portion 11 is provided, and a larger wire wheel is required when winding a thicker copper wire, and there can be more space to install the wire wheel while ensuring that the moment of inertia remains unchanged.

[0034] like Figure 1 As shown, a tensioner 12 installed on a workbench 1 for guiding the copper wire is provided on the right side of the winding device 3. The tensioner 12 is provided to control the constant tension of the copper wire during the winding process, ensure the tightness of the copper wire during the winding process, and ensure that the coil is tightly wound.

[0035] like Figure 2 As shown, a threaded hole 13 is opened on the inner side of the coil holder 2-5, and a mounting hole 14 corresponding to the threaded hole 13 is opened on the inner side of the fixing plate 2-3. A nut 15 is fixedly connected to the left side of the mounting hole 14, and a tension screw 16 is threadedly connected to the inner side of the nut 15. The right side of the tension screw 16 is threadedly connected to the threaded hole 13. The coil holder 2-5 is locked and fixed to the outer side of the fixing plate 2-3 by the tension screw 16, so that the coil holder 2-5 can be replaced accordingly according to different types and sizes of coil windings, making the device more adaptable and practical.

[0036] like Figure 1 As shown, an auxiliary guiding device is provided between the winding device 3 and the tensioner 12, and the auxiliary guiding device includes a support rod 17 fixed on the workbench 1, and the front end of the support rod 17 is rotatably connected to a guide wheel 18 arranged corresponding to the wire hole 3-4, and the height of the lower end of the guide wheel 18 relative to the workbench 1 is the same as the height of the center of the wire hole 3-4 relative to the workbench 1. An auxiliary guiding device is provided so that the copper wire led out from the tensioner 12 passes through the guide wheel 18 and enters the wire hole 3-4 of the winding shaft 3-2, so that the copper wire is arranged relatively parallel to the wire hole 3-4 when entering the winding shaft 3-2, so as to avoid the copper wire contacting the winding shaft 3-2 and causing certain damage to the outer surface of the copper wire.

[0037] like Figure 7 As shown, the slot 2-6 includes a groove 19 opened in the coil holder 2-5, and the left and right sides of the groove 19 are provided with limiting grooves 20 for clamping the left and right ends of the coil winding. The left and right sides of the coil winding are clamped and installed in the limiting grooves, making the installation of the coil winding convenient.

[0038] A method for using an automated coil winding machine comprises the following steps:

[0039] Threading the copper wire: The copper wire passes through the tensioner 12, and then passes through the lower end of the guide wheel 18 and then passes through the wire hole 3-4 of the winding shaft 3-2. After passing through the wire hole 3-4, the copper wire passes through the first wire wheel 8 and turns to the second wire wheel 10, and finally passes through the upper end of the second wire wheel 10 and then passes through the hollow needle tube 3-7;

[0040] Install the coil windings: insert several coil windings into the slots 2-6 on the coil holder 2-5 in sequence;

[0041] Coil winding: Manually pull the copper wire out of the coil winding around the front end of the outlet 3-6 for one circle, start the second stepper motor 3-3, and drive the winding shaft 3-2 to rotate through the second stepper motor 3-3, and the winding shaft 3-2 drives the outlet 3-6 to rotate around the coil winding. At the same time, the first screw module 5 drives the winding device 3 to move back and forth left and right, so that the copper wire is wound around the outside of the coil winding in an orderly manner. When the number of turns of a coil winding reaches the set number of turns, the winding device 3 stops moving left and right and rotating, and the first stepper motor 2-4 drives the rotating shaft 2-2 and the fixed disk 2-4 to rotate, so that the coil winding on the second coil holder 2-5 reaches the winding position, and the second screw module 6-4 drives the sliding table 6-2 to move to one side of the fixing device 2 and move to the accommodating slot 6 -10 is the position corresponding to the pulled-out copper wire, pushing the cylinder 6-7 to retract, thereby making the cylinder mounting seat 6-5 rotate counterclockwise around the rotation center, so that the copper wire subsequently pulled out of the wound coil winding is just stuck in the receiving groove 6-10, then the piston end of the first telescopic cylinder 6-8 withdraws forward to drive the cover plate 6-11 to cover the receiving groove 6-10, so that the copper wire is stuck in the receiving groove 6-10, then pushing the cylinder 6-7 out to return to its original position while the second screw module 6-4 continues to drive the sliding table 6-2 to move to the corresponding position on one side of the fixing device 2, so that the rear end of the copper wire stuck in the receiving groove 6-10 is stuck in the outer side of the coil winding on the coil holder 2-5, and then the second stepping motor 3-3 drives the winding shaft 3-2 to rotate, and repeats the above winding operation;

[0042] Removing the coil winding: When the coil winding wound on the fixing device 2 rotates to the front end, the wound coil winding is manually removed from the slot 2-6 and a new coil winding is reinstalled during the winding stage when the fixing device 2 stops, thereby achieving continuous operation of the winding machine.

[0043] Although the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automated coil winding machine, comprising a workbench (1), wherein the upper end of the workbench (1) is provided with a fixing device (2) for fixing the coil winding, wherein: The fixing device (2) comprises a fixing box (2-1), the inside of which is rotatably connected to a rotating shaft (2-2), the right side of which passes through the fixing box (2-1) and is fixedly connected to a fixing disk (2-3), the lower end of which is provided with a first stepper motor (2-4) located inside the fixing box (2-1), the first stepper motor (2-4) driving the rotating shaft (2-2) to rotate via a transmission mechanism, the outer side of the fixing disk (2-3) is provided with a plurality of evenly arranged coil holders (2-5), the outer side of the coil holders (2-5) being provided with a clamping groove (2-6) for fixing the coil winding, the right side of the fixing device (2) is provided with a winding device (3), the winding device (3) comprises a moving box (3-1), the lower end of which is provided with a first sliding mechanism (4) mounted on the upper end of the workbench (1), A first screw rod module (5) is installed on the outside of the moving box (3-1) for driving the moving box (3-1) to move left and right. A winding shaft (3-2) is rotatably connected to the inside of the moving box (3-1). A second stepper motor (3-3) located inside the moving box (3-1) is provided at the lower end of the winding shaft (3-2). The second stepper motor (3-3) drives the winding shaft (3-2) to rotate through a transmission mechanism. A wire hole (3-4) is provided at the center of the inside of the winding shaft (3-2). A connecting part (3-5) located outside the moving box (3-1) is fixedly connected to the outside of the left end of the winding shaft (3-2). A wire outlet (3-6) rotatably arranged around a coil holder (2-5) driven by the winding shaft (3-2) is fixedly connected to the outside of the connecting part (3-5). A hollow needle tube (3-7) for passing a copper wire is fixedly connected to the wire outlet end of the wire outlet (3-6).

2. The automatic coil winding machine according to claim 1, characterized in that: A tensioning device (6) for clamping the copper wire is provided between the fixing device (2) and the winding device (3), the tensioning device (6) comprising a supporting platform (6-1) mounted on a workbench, a sliding platform (6-2) being provided at the upper end of the supporting platform (6-1), a second sliding mechanism (6-3) being provided at the lower end of the sliding platform (6-2) and being mounted at the upper end of the supporting platform (6-1), a second screw module (6-4) being fixedly connected to the left end of the sliding platform (6-2) for driving the sliding platform (6-2) to move toward one side of the fixing device (2), a cylinder mounting seat (6-5) being rotatably connected to the upper end of the sliding platform (6-2), a limiting nut (21) being rotatably connected to the inner side of the cylinder mounting seat (6-5), a lower end of the limiting nut (21) passing through the cylinder mounting seat (6-5) and being threadedly connected to the inner side of the sliding platform (6-2), the cylinder mounting seat (6-5) having a second screw module (6-4) being fixedly connected to the left end of the sliding platform (6-2) for driving the sliding platform (6-2) to move toward the side of the fixing device (2), The upper end of the seat (6-5) is rotatably connected to a connecting ring (6-6), the outer side of the connecting ring (6-6) is fixedly connected to a pushing cylinder (6-7) for pushing the cylinder mounting seat (6-5) to rotate, the pushing cylinder (6-7) is fixedly connected to the outer side of the sliding platform (6-2), the inner side of the cylinder mounting seat (6-5) is fixedly connected to a first telescopic cylinder (6-8) arranged toward the fixing device (2), the outer side of the piston end of the first telescopic cylinder (6-8) is provided with a piston sleeve (6-9) fixedly connected to the outer side of the cylinder mounting seat (6-5), the front end of the piston sleeve (6-9) is provided with a receiving groove (6-10), the piston end of the first telescopic cylinder (6-8) is slidably connected in the piston sleeve (6-9) and is fixedly connected to a cover plate (6-11) arranged to cover the receiving groove (6-10).

3. The automatic coil winding machine according to claim 1, characterized in that: A first wire wheel groove (7) is formed on the inner side of the left end of the winding shaft (3-2), and a first wire wheel (8) for guiding the copper wire is rotatably connected to the inner side of the first wire wheel groove (7).

4. The automatic coil winding machine according to claim 1, characterized in that: A second wire wheel groove (9) is formed inside the wire outlet (3-6), and a second wire wheel (10) for guiding the copper wire is rotatably connected inside the second wire wheel groove (9).

5. The automatic coil winding machine according to claim 4, characterized in that: The middle end of the wire outlet (3-6) is provided with an outwardly bent expansion portion (11), and the second wire wheel groove (9) is arranged inside the outward expansion portion (11).

6. The automatic coil winding machine according to claim 1, characterized in that: A tensioner (12) installed on the workbench (1) and used for guiding the copper wire is provided on the right side of the winding device (3).

7. The automatic coil winding machine according to claim 1, characterized in that: A threaded hole (13) is formed on the inner side of the coil holder (2-5); a mounting hole (14) corresponding to the threaded hole (13) is formed on the inner side of the fixing plate (2-3); a nut (15) is fixedly connected to the left side of the mounting hole (14); a tensioning screw (16) is threadedly connected to the inner side of the nut (15); and the tensioning screw (16) is threadedly connected to the threaded hole (13) on the right side.

8. The automatic coil winding machine according to claim 1, characterized in that: An auxiliary guiding device is provided between the winding device (3) and the telescopic tensioner (12), the auxiliary guiding device comprising a support rod (17) fixed on the workbench (1), the front end of the support rod (17) being rotatably connected to a guide wheel (18) arranged corresponding to the wire through hole (3-4), the height of the lower end of the guide wheel (18) relative to the workbench (1) being the same as the height of the center of the wire through hole (3-4) relative to the workbench (1).

9. The automatic coil winding machine according to claim 1, characterized in that: The clamping groove (2-6) comprises a groove (19) opened in the coil holder (2-5), and the left and right sides of the groove (19) are provided with limiting grooves (20) for clamping the left and right ends of the coil winding.

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