Coil automatic welding machine

Abstract

The application belongs to the technical field of coil welding, and particularly relates to an automatic coil welding machine, which comprises a support, a linear-direction driving device arranged on the support, an executing end of the linear-direction driving device being provided with a main servo motor, an output shaft of the main servo motor being provided with a rotating disc, a wire rack loading device matched with the rotating disc, a coil loading device and a welding device being arranged at the beginning end of the linear-direction driving device of the support; when the rotating disc is located at the beginning end of the linear-direction driving device, the wire rack loading device, the coil loading device and the welding device are sequentially arranged around the rotating disc, a discharging device is arranged at the terminal end of the linear-direction driving device of the support, a stripping device matched with the coil loading device is arranged in the stroke range of the coil loading device of the support, and the linear-direction driving device, the wire rack loading device, the coil loading device, the welding device and the discharging device are all signal-connected to a control system. The application solves the problem of how to automatically weld the coil made by a winding machine to a wire rack.

Description

Technical Field

[0001] This application belongs to the field of coil welding technology, specifically an automatic coil welding machine. Background Technology

[0002] During the manufacturing process, coils are formed by winding enameled copper wire using a winding machine. In some special workpieces, it is necessary to weld several coils in a straight line onto a lead frame. Currently, the main method for manufacturing such workpieces is to set up a guide plate at the output end of the winding machine (that is, where the wound coils flow out of the winding machine). The finished product (coil) produced by the winding machine is transported to a tray through the guide plate, and then the coils are distributed to various workstations. The coils are stripped one by one, and then the stripped coils are arranged on a fixture with a lead frame placed on them. Finally, the fixture with the coils and lead frame placed is transported to the welding station for welding, and the required workpiece (the workpiece formed by welding the coils and lead frame together) is formed. Then the formed workpiece is removed from the fixture. Throughout the process, placing the coil and lead frame in the fixture according to preset requirements is done manually. The welding process between the lead frame and the coil is semi-automatic, requiring manual placement of the fixture containing the coil and lead frame into the designated position on the welding machine before starting the welding machine. Finally, removing the welded lead frame and coil from the fixture is also done manually. Therefore, too much manual intervention is involved in the entire process, resulting in high labor intensity for workers and low production efficiency. Therefore, it is necessary to design a machine that can automatically place the coil wound by the winding machine directly onto the fixture with the lead frame placed in advance, automatically weld the coil and lead frame together, and automatically remove the welded coil and lead frame from the fixture. Summary of the Invention

[0003] The purpose of this application is to address the shortcomings of existing technologies by designing an automatic coil welding machine that utilizes a control system to control a wire frame feeding device, a coil feeding device, a welding device, a linear drive device, a turntable, and a feeding device. This machine can automatically place the coils wound by the winding machine directly onto a fixture with a wire frame placed on it, automatically weld the coils and the wire frame together, and then automatically remove the welded coils and wire frame from the fixture. This solves the problem of how to automatically weld the coils made by the winding machine onto the wire frame.

[0004] To achieve the above objectives, this application provides the following technical solution:

[0005] An automatic coil welding machine includes a support frame, on which a linear drive device is mounted. The actuator of the linear drive device has a vertically upward-facing main servo motor. A turntable is coaxially mounted on the output shaft of the main servo motor. Four fixtures are arranged in an equidistant circular array on the upper surface of the turntable. At the starting end of the linear drive device, the support frame has a wire frame feeding device, a coil feeding device, and a welding device that cooperate with the turntable. When the turntable is located at the starting end of the linear drive device, the wire frame feeding device, the coil feeding device, and the welding device sequentially surround the turntable. The connecting line segment between the coil feeding device and the welding device intersects the central axis of the turntable. A feeding device is provided on the support at the end of the linear drive device. The connecting line segment between the feeding device and the wire frame feeding device intersects the central axis of the turntable. A stripping device that cooperates with the coil feeding device is provided on the support within the stroke range of the coil feeding device. A preset gap exists between the stripping device and the turntable. The linear drive device, wire frame feeding device, coil feeding device, welding device, and feeding device are all signal-connected to the control system.

[0006] Preferably, the linear drive device includes a support base, a secondary servo motor, a lead screw, and a slider. The support base is mounted on the bracket, the secondary servo motor is mounted on the support base, the output shaft of the secondary servo motor is connected to the lead screw, the slider is slidably mounted on the support base, the slider has a threaded hole, and the slider is threadedly connected to both ends of the lead screw through the threaded hole. The secondary servo motor is connected to the control system.

[0007] Preferably, the wire frame feeding device includes a wire frame rotating motor, a first mounting plate, a first lifting cylinder, a second mounting plate, a first suction cup, and a first support rod. The first support rod is vertically mounted on the bracket, and the wire frame rotating motor is mounted at the top of the first support rod. The output shaft of the wire frame rotating motor is vertically upward, and the first mounting plate is radially mounted on the output shaft of the wire frame rotating motor. The first lifting cylinder is fixedly mounted on the first mounting plate, and the actuating end of the first lifting cylinder is vertically downward. The actuating end of the first lifting cylinder is mounted on the second mounting plate, and the first suction cup is mounted on the second mounting plate. The wire frame rotating motor, the first lifting cylinder, the second mounting plate, and the first suction cup are connected to a control system.

[0008] Preferably, the coil feeding device includes a first finger cylinder, a second finger cylinder, a first rotary motor, a second rotary motor, and a second support rod. The first rotary motor is mounted on the bracket via the second support rod. The output shafts of the first and second rotary motors are both perpendicular to the upper surface of the turntable. The rotation axis of the finger on the first finger cylinder is perpendicular to the upper surface of the turntable, and the rotation axis of the finger on the second finger cylinder is parallel to the upper surface of the turntable. The first finger cylinder is fixedly mounted on the output shaft of the first rotary motor. A third mounting plate is radially fixed on the output shaft of the second rotary motor. A second lifting cylinder is vertically mounted on the third mounting plate. The output end of the second lifting cylinder is fixedly mounted on the second finger cylinder. The stroke range of the first finger cylinder intersects with the stroke range of the second finger cylinder. The peeling device is within the stroke range of the first finger cylinder. The first finger cylinder, the second finger cylinder, the first rotary motor, the second rotary motor, and the second lifting cylinder are all signal-connected to the control system.

[0009] Preferably, the welding device includes a lifting device mounted on the support. The lifting device is connected to a welding torch via a connecting plate, which cooperates with a fixture on the turntable. Both the lifting device and the welding torch are signal-connected to the control system.

[0010] Preferably, the peeling device is a downward-facing laser, and the laser signal is connected to the control system.

[0011] Preferably, the unloading device includes a fixed platform, which is mounted on the support. A robot arm is mounted on the fixed platform, and the execution end of the robot arm is equipped with a second suction cup. The terminal of the linear drive device is located within the stroke range of the robot arm, and the robot arm and the second suction cup are signal-connected to the control system.

[0012] Preferably, the robotic arm includes a third lifting cylinder, a horizontal telescopic cylinder, and a unloading frame. The unloading frame is mounted on the fixed platform and located at the end of the linear drive device. The horizontal telescopic cylinder is fixedly mounted on the unloading frame, and its extension direction is parallel to the movement direction of the linear drive device. The downward-facing third lifting cylinder is fixedly mounted on the actuating end of the horizontal telescopic cylinder. The actuating end of the third lifting cylinder is equipped with a second suction cup. The end of the linear drive device is located within the stroke range of the third lifting cylinder and the stroke range of the horizontal telescopic cylinder. The third lifting cylinder, the horizontal telescopic cylinder, the third lifting cylinder, and the second suction cup are all signal-connected to the control system.

[0013] Preferably, the bracket is further provided with a wire frame cutting module, which is located within the stroke range of the third lifting cylinder and the stroke range of the horizontal telescopic cylinder. The wire frame cutting module is connected to the control system.

[0014] Preferably, the wire frame cutting module includes an upper die and a lower die. A first slide rail is provided on the support, and the first slide rail is parallel to the driving direction of the linear direction driving device. The lower die is slidably disposed between the two ends of the first slide rail. A vertically downward fourth lifting cylinder is provided on the unloading rack above the end of the first slide rail facing away from the linear direction driving device. The upper die is fixedly installed at the actuating end of the fourth lifting cylinder. The fourth lifting cylinder is outside the stroke range of the horizontal telescopic cylinder. A stretching cylinder is provided on the support, and the stretching cylinder is parallel to the first slide rail. The stretching cylinder is located at the end of the first slide rail facing away from the linear direction driving device. The actuating end of the stretching cylinder is fixedly connected to the lower die. Both ends of the first slide rail are within the stroke range of the stretching cylinder. The fourth lifting cylinder and the stretching cylinder are both signal-connected to the control system.

[0015] Preferably, a fifth lifting cylinder is provided on the side of the first slide rail facing away from the linear drive device on the unloading rack. The actuating end of the fifth lifting cylinder is provided with a horizontal plate, and a second slide rail is provided on the horizontal plate. The second slide rail is parallel to the first slide rail. A mounting seat is slidably provided between the two ends of the second slide rail. A plurality of third suction cups are provided on the lower surface of the mounting seat. A push-pull cylinder is provided on the bracket. The actuating end of the push-pull cylinder is fixedly connected to the mounting seat. The push-pull cylinder is parallel to the second slide rail. The fifth lifting cylinder, the push-pull cylinder, and the third suction cups are all signal connected to the control system.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] 1. This application adopts a control system to control the wire frame feeding device, coil feeding device, welding device, linear drive device, turntable, and unloading device, and designs an automatic coil welding machine. It can automatically place the coil wound by the winding machine directly onto the fixture with the wire frame placed in advance, and automatically weld the coil and the wire frame together. After that, it can automatically remove the welded coil and the wire frame from the fixture, thus solving the problem of how to automatically weld the coil made by the winding machine onto the wire frame.

[0018] 2. Since the rotation axis of the finger on the first finger cylinder is perpendicular to the upper surface of the turntable, meaning the finger of the first finger cylinder is parallel to the turntable, the coil gripped by the first finger cylinder cannot be placed inside the fixture (the fixture has a frame, and the contents of the fixture cannot accommodate the horizontally positioned first finger cylinder). Therefore, the first finger cylinder grips the coil wound on the winding machine and places it at the stripping device. Generally, the stripping device uses laser stripping, and the laser emitted by the stripping device is vertically downward. Therefore, the coil gripped by the first finger cylinder in this application can be easily stripped by the laser. After the coil is stripped, since the rotation axis of the finger of the second finger cylinder is parallel to the upper surface of the turntable, meaning the finger of the second finger cylinder is perpendicular to the upper surface of the turntable, the second finger cylinder grips the stripped coil from the first finger cylinder and places it inside the fixture.

[0019] 3. This application uses a lifting device to drive the welding torch to rise and fall. During welding, the welding torch descends so that the welding wire on the welding torch contacts the coil and the lead frame. After welding is completed, the lifting device rises so that the welding wire of the welding torch leaves the coil and the lead frame. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this application;

[0021] Figure 2 For this Figure 1 A structural diagram of the back side;

[0022] Figure 3 This is a schematic diagram of the linear drive device on the bracket in this application;

[0023] Figure 4 This is a schematic diagram of the wire rack feeding device in this application;

[0024] Figure 5 This is a schematic diagram of the coil feeding device on the support in this application;

[0025] Figure 6 A schematic diagram of the feeding device in this application.

[0026] The components include: 1. Bracket; 2. Main servo motor; 3. Turntable; 4. Support base; 5. Secondary servo motor; 6. Lead screw; 7. Slider; 8. Wire frame rotation motor; 9. First mounting plate; 10. First lifting cylinder; 11. Second mounting plate; 12. First suction cup; 13. First support rod; 14. First finger cylinder; 15. Second finger cylinder; 16. First rotation motor; 17. Second rotation motor; 18. Third mounting plate; 19. Second lifting... 20. Lowering cylinder; 21. Welding torch; 22. Laser; 23. Fixed platform; 24. Second suction cup; 25. Third lifting cylinder; 26. Horizontal telescopic cylinder; 27. Unloading rack; 28. First slide rail; 29. ​​Lower die; 30. Fourth lifting cylinder; 31. Upper die; 32. Deep drawing cylinder; 33. Push-pull cylinder; 34. Fifth lifting cylinder; 35. Horizontal plate; 36. Second slide rail; 37. Mounting base; 38. Third suction cup; 39. Second support rod. Detailed Implementation

[0027] See Figure 1-6 An automatic coil welding machine includes a support 1, on which a linear drive device is mounted. The execution end of the linear drive device is equipped with a vertically upward main servo motor 2. A turntable 3 is coaxially mounted on the output shaft of the main servo motor 2. Four fixtures are arranged in an equidistant circular array on the upper surface of the turntable 3. At the starting end of the linear drive device, the support 1 is equipped with a wire frame feeding device, a coil feeding device, and a welding device that cooperate with the turntable 3. When the turntable 3 is located at the starting end of the linear drive device, the wire frame feeding device, the coil feeding device, and the welding device sequentially surround the turntable. Around 3, the connecting line segment between the coil feeding device and the welding device intersects with the central axis of the turntable 3. A feeding device is provided on the support 1 at the end of the linear drive device. The connecting line segment between the feeding device and the wire frame feeding device intersects with the central axis of the turntable 3. A stripping device that cooperates with the coil feeding device is provided on the support 1 within the stroke range of the coil feeding device. A preset gap exists between the stripping device and the turntable 3. The linear drive device, the wire frame feeding device, the coil feeding device, the welding device, and the feeding device are all signal-connected to the control system.

[0028] In operation, the control system transmits a signal to the linear drive device. The main servo motor 2 drives the turntable 3 to move to the beginning of the linear drive device. The wire frame feeding device places the wire frame into the fixture of the turntable 3. Then, the control system transmits a signal to the main servo motor 2, which drives the turntable 3 to rotate 90 degrees counterclockwise, causing the fixture carrying the wire frame to rotate to the output port of the winding machine. The coil feeding device picks up the coil and places it at the stripping device, which strips the outer skin from the coil end to facilitate welding the coil to the wire frame. Afterward, the coil feeding device places the stripped coil onto the fixture carrying the wire frame, and then the main servo motor 2 drives... Turntable 3 rotates counterclockwise 180 degrees, causing the fixture carrying both the lead frame and the coil to rotate to the welding device. The welding device welds the lead frame and the coil together. After welding is completed, the control system transmits a signal to the main servo motor 2, which drives turntable 3 to rotate clockwise 90 degrees, causing the fixture carrying the welded coil and lead frame to rotate to the end of turntable 3 facing the unloading device. Then, the control system transmits a signal to the linear drive device, which moves turntable 3 to the end of the linear drive device. Finally, the control system transmits a signal to the unloading device, which removes the welded coil and lead frame from the fixture. In this process, since the lead frame is a rectangular plate, many coils need to be placed and welded on one lead frame, and the coils are arranged in a straight line on the lead frame. Therefore, the welding device and the coil feeding device are respectively set on opposite sides of the turntable 3, and the positions of the welding device and the coil feeding device on the turntable 3 are symmetrical about the drive direction line of the linear drive device. This setting allows the turntable to move linearly while the feeding device is placing the coils onto the fixture. At the same time, the welding device can be synchronized with the feeding device. At this time, the welding device welds the lead frame and coils on the turntable 3, which is symmetrical about the drive direction line of the linear drive device with respect to the fixture on the other fixture. This way, while the feeding device is placing the coils on one fixture, the welding device is welding the coils on the other fixture to the lead frame, which is placed by the feeding device. This saves a lot of time. The whole process does not require manual intervention, freeing up labor and solving the problem of how to automatically weld the coils made by the winding machine onto the lead frame.

[0029] As a preferred method, such as Figure 3As shown, the linear drive device includes a support base 4, a secondary servo motor 5, a lead screw 6, and a slider 7. The support base 4 is mounted on the bracket 1, and the secondary servo motor 5 is mounted on the support base 4. The output shaft of the secondary servo motor 5 is connected to the lead screw 6. The slider 7 is slidably mounted on the support base 4 and has threaded holes. The slider 7 is threaded to both ends of the lead screw 6 through the threaded holes. The secondary servo motor 5 is connected to the control system. With this configuration, the secondary servo motor 5 drives the lead screw 6 to drive the slider in linear motion, thereby driving the turntable 3 in linear motion.

[0030] As a preferred method, such as Figure 4 As shown, the wire frame feeding device includes a wire frame rotating motor 8, a first mounting plate 9, a first lifting cylinder 10, a second mounting plate 11, a first suction cup 12, and a first support rod 13. The first support rod 13 is vertically mounted on the bracket 1, and the wire frame rotating motor 8 is mounted at the top of the first support rod 13. The output shaft of the wire frame rotating motor 8 is vertically upward, and the first mounting plate 9 is radially mounted on the output shaft of the wire frame rotating motor 8. The first lifting cylinder 10 is fixedly mounted on the first mounting plate 9, and the actuating end of the first lifting cylinder 10 is vertically downward. The actuating end of the first lifting cylinder 10 is mounted on the second mounting plate 11, and the first suction cup 12 is mounted on the second mounting plate 11. The wire frame rotating motor 8, the first lifting cylinder 10, the second mounting plate 11, and the first suction cup 12 are connected to the control system. After this setup, the first lifting cylinder 10 rises to make the first suction cup 12 leave the upper surface of the turntable 2. Then, the wire frame rotation motor 8 moves the first suction cup from directly above the turntable 3 to the container where the wire frame is placed, and picks up the wire frame from the container and places it into the corresponding fixture on the turntable 3.

[0031] As a preferred method, such as Figure 5As shown, the coil feeding device includes a first finger cylinder 14, a second finger cylinder 15, a first rotary motor 16, a second rotary motor 17, and a second support rod 38. The first rotary motor 16 is mounted on the bracket 1 via the second support rod 38. The output shafts of both the first and second rotary motors 16 and 17 are perpendicular to the upper surface of the turntable 3. The rotation axis of the finger on the first finger cylinder 14 is perpendicular to the upper surface of the turntable 3, and the rotation axis of the finger on the second finger cylinder 15 is parallel to the upper surface of the turntable 3. The first finger cylinder 14 is fixedly mounted on the first... A third mounting plate 18 is radially fixed on the output shaft of the rotary motor 16 and the output shaft of the second rotary motor 17. A second lifting cylinder 19 is vertically mounted on the third mounting plate 18. A second finger cylinder 15 is fixedly mounted on the output end of the second lifting cylinder 19. The stroke range of the first finger cylinder 14 intersects with the stroke range of the second finger cylinder 15. The peeling device is within the stroke range of the first finger cylinder 14. The first finger cylinder 14, the second finger cylinder 15, the first rotary motor 16, the second rotary motor 17, and the second lifting cylinder 19 are all signal-connected to the control system. Since the rotation axis of the finger on the first finger cylinder 14 is perpendicular to the upper surface of the turntable 3, meaning the finger of the first finger cylinder 14 is parallel to the turntable 3, the coil gripped by the first finger cylinder 14 cannot be placed inside the fixture (the fixture has a frame, and the contents of the fixture cannot accommodate the horizontal first finger cylinder 14). Therefore, the first finger cylinder 14 waits for the coil to come out at the exit of the coil wound on the winding machine. After the coil comes out, the first finger cylinder 14 grips the coil to the stripping device. Generally, the stripping device uses laser stripping, and the laser emitted by the stripping device is vertically downward. Therefore, the coil gripped by the first finger cylinder 14 can be easily stripped by the laser. After the coil is stripped, since the rotation axis of the finger of the second finger cylinder 15 is parallel to the upper surface of the turntable 3, meaning the finger of the second finger cylinder 15 is perpendicular to the upper surface of the turntable 3, the second finger cylinder 15 grips the stripped coil from the first finger cylinder 14 and places it inside the fixture.

[0032] In a preferred embodiment, the welding apparatus includes a lifting device mounted on the support 1. The lifting device, via a connecting plate, has a welding torch 20 that engages with a fixture on the turntable 3. When the turntable 3 is at the beginning of the linear drive device, the projection of the welding torch 20 is located on the turntable 3. Both the lifting device and the welding torch 20 are signal-connected to the control system. The lifting device drives the welding torch 20 to rise and fall. During welding, the welding torch 20 descends, causing the welding wire on the torch 20 to contact the coil and the lead frame. After welding is completed, the lifting device rises, causing the welding wire on the torch 20 to leave the coil and the lead frame.

[0033] As a preferred embodiment, the peeling device is a downward-facing laser 21, and the laser 21 is connected to the control system.

[0034] As a preferred method, such as Figure 6 As shown, the unloading device includes a fixed platform 22, which is mounted on the support 1. A robot arm is mounted on the fixed platform 22, and a second suction cup 23 is mounted on the execution end of the robot arm. The terminal of the linear drive device is located within the stroke range of the robot arm, and the robot arm and the second suction cup 23 are connected to the control system.

[0035] In a preferred embodiment, the robotic arm includes a third lifting cylinder 24, a horizontal telescopic cylinder 25, and a unloading rack 26. The unloading rack 26 is mounted on the fixed platform 22 and is located at the end of the linear drive device. The horizontal telescopic cylinder 25 is fixedly mounted on the unloading rack 26, and the telescopic direction of the horizontal telescopic cylinder 25 is parallel to the moving direction of the linear drive device. The downward-facing third lifting cylinder 24 is fixedly mounted on the actuating end of the horizontal telescopic cylinder 25. The actuating end of the third lifting cylinder 24 is provided with a second suction cup 23. The end of the linear drive device is located within the stroke range of the third lifting cylinder 24 and the stroke range of the horizontal telescopic cylinder 25. The third lifting cylinder 24, the horizontal telescopic cylinder 25, and the second suction cup 23 are all signal-connected to the control system. The second suction cup 23 is raised and lowered by the third lifting cylinder 24 to pick up the welded coil and lead frame. The horizontal telescopic cylinder 25 is used to drive the third lifting cylinder 24 away from the turntable 3 after the second suction cup 23 has picked up the welded coil and lead frame, so as to place the welded coil and lead frame in the designated area.

[0036] As a preferred method, since the coil needs to be cut after it is welded onto the conductor frame so that each end of the coil is connected to a section of the conductor frame, the support is also provided with a conductor frame cutting module. The conductor frame cutting module is located within the stroke range of the third lifting cylinder 24 and the stroke range of the horizontal telescopic cylinder 25. The conductor frame cutting module is connected to the control system.

[0037] In a preferred embodiment, the wire frame cutting module includes an upper die 30 and a lower die 28. A first slide rail 27 is provided on the support 1, parallel to the driving direction of the linear drive device. The lower die 28 is slidably positioned between the two ends of the first slide rail 27. A vertically downward fourth lifting cylinder 29 is provided on the unloading rack 26 above the end of the first slide rail 27 facing away from the linear drive device. The upper die 30 is fixedly mounted on the actuating end of the fourth lifting cylinder 29. The fourth lifting cylinder 29 is outside the stroke range of the horizontal telescopic cylinder 25. A tension cylinder 31 is provided on the support 1, parallel to the first slide rail 27. The tension cylinder 31 is located at the end of the first slide rail 27 facing away from the linear drive device. The actuating end of the tension cylinder 31 is fixedly connected to the lower die 28. Both ends of the first slide rail 27 are within the stroke range of the tension cylinder 31. The fourth lifting cylinder 29 and the tension cylinder 31 are both signal-connected to the control system. With this setup, the wire frame is cut using the upper mold 30 and the lower mold 28. Meanwhile, since the wire frame cutting module is outside the travel range of the linear drive device, it does not affect the movement and rotation of the turntable 3.

[0038] As a preferred embodiment, the unloading rack 26 has a fifth lifting cylinder 33 on the side of the first slide rail 27 facing away from the linear drive device. The actuating end of the fifth lifting cylinder 33 has a horizontal plate 34, and the horizontal plate 34 has a second slide rail 35. The second slide rail 35 is parallel to the first slide rail 27, and a mounting base 36 is slidably disposed between the two ends of the second slide rail 35. The lower surface of the mounting base 36 has several third suction cups 37. The bracket 1 has a push-pull cylinder 32, the actuating end of which is fixedly connected to the mounting base 36. The push-pull cylinder 32 is parallel to the second slide rail 35. The fifth lifting cylinder 33, the push-pull cylinder 32, and the third suction cups 37 are all signal-connected to the control system. With this configuration, a finished product collection box is placed on the bracket 1 directly below the second slide rail 35, and then the third suction cups 37 can place the cut finished products (coils and wire frames welded together) into the finished product collection box.

Claims

1. An automatic coil welding machine, characterized in that, Includes a bracket (1), on which a linear direction driving device is provided, and at the execution end of the linear direction driving device is a vertically upward main servo motor (2), and on the output shaft of the main servo motor (2) is a turntable (3) coaxially provided, and on the upper surface of the turntable (3) are four fixtures arranged in an equidistant circular array. At the beginning end of the linear direction driving device, the bracket (1) is provided with a wire frame feeding device, a coil feeding device, and a welding device that cooperate with the turntable (3); When the turntable (3) is located at the beginning of the linear drive device, the wire frame feeding device, the coil feeding device, and the welding device are arranged around the turntable (3) in sequence. The connecting line segment between the coil feeding device and the welding device intersects the central axis of the turntable (3). The support (1) is provided with a feeding device at the end of the linear drive device. The connecting line segment between the feeding device and the wire frame feeding device intersects the central axis of the turntable (3). The support (1) is provided with a stripping device that cooperates with the coil feeding device within the stroke range of the coil feeding device. There is a preset gap between the stripping device and the turntable (3). The linear drive device, the wire frame feeding device, the coil feeding device, the welding device, and the feeding device are all connected to the control system. The coil feeding device includes a first finger cylinder (14), a second finger cylinder (15), a first rotary motor (16), a second rotary motor (17), and a second support rod (38). The first rotary motor (16) is mounted on the bracket (1) via the second support rod (38). The output shafts of the first rotary motor (16) and the second rotary motor (17) are both perpendicular to the upper surface of the turntable (3). The rotation axis of the finger on the first finger cylinder (14) is perpendicular to the upper surface of the turntable (3), and the rotation axis of the finger on the second finger cylinder (15) is parallel to the upper surface of the turntable (3). The first finger cylinder (14) is fixedly mounted on the first... A third mounting plate (18) is radially fixed on the output shaft of the rotating motor (16) and the output shaft of the second rotating motor (17). A second lifting cylinder (19) is vertically mounted on the third mounting plate (18). A second finger cylinder (15) is fixedly mounted on the output end of the second lifting cylinder (19). The stroke range of the first finger cylinder (14) intersects with the stroke range of the second finger cylinder (15). The peeling device is within the stroke range of the first finger cylinder (14). The first finger cylinder (14), the second finger cylinder (15), the first rotating motor (16), the second rotating motor (17), and the second lifting cylinder (19) are all connected to the control system. The peeling device is a downward-facing laser (21), and the laser (21) is connected to the control system. In use, the control system transmits a signal to the linear drive device, and the main servo motor (2) drives the turntable (3) to move to the beginning of the linear drive device. The wire frame feeding device places the wire frame into the fixture of the turntable (3). Then, the control system transmits a signal to the main servo motor (2), and the main servo motor (2) drives the turntable (3) to rotate 90 degrees counterclockwise, so that the fixture carrying the wire frame rotates to the output port of the winding machine. The coil feeding device picks up the coil and places it at the stripping device, which strips the outer skin of the coil end to facilitate the welding of the coil to the wire frame. Then, the coil feeding device places the stripped coil onto the fixture carrying the wire frame. After that, the main servo motor (2) drives the turntable (3) to rotate 90 degrees counterclockwise, so that the fixture carrying the wire frame rotates to the output port of the winding machine. The rotating turntable (3) rotates counterclockwise by 180 degrees, causing the fixture carrying both the lead frame and the coil to rotate to the welding device. The welding device welds the lead frame and the coil together. After welding is completed, the control system transmits a signal to the main servo motor (2). The main servo motor (2) drives the turntable (3) to rotate clockwise by 90 degrees, causing the fixture carrying the welded coil and lead frame to rotate to the end of the turntable (3) facing the unloading device. Then the control system transmits a signal to the linear drive device, which moves the turntable (3) to the end of the linear drive device. Then the control system transmits a signal to the unloading device, which removes the welded coil and lead frame from the fixture.

2. The automatic coil welding machine according to claim 1, characterized in that, The linear drive device includes a support base (4), a secondary servo motor (5), a lead screw (6), and a slider (7). The support base (4) is mounted on the bracket (1), the secondary servo motor (5) is mounted on the support base (4), and the output shaft of the secondary servo motor (5) is connected to the lead screw (6). The slider (7) is slidably mounted on the support base (4), and the slider (7) has a threaded hole. The slider (7) is threadedly connected to both ends of the lead screw (6) through the threaded hole. The secondary servo motor (5) is connected to the control system.

3. The automatic coil welding machine according to claim 1, characterized in that, The wire frame feeding device includes a wire frame rotating motor (8), a first mounting plate (9), a first lifting cylinder (10), a second mounting plate (11), a first suction cup (12), and a first support rod (13). The first support rod (13) is vertically mounted on the bracket (1). The wire frame rotating motor (8) is mounted at the top of the first support rod (13). The output shaft of the wire frame rotating motor (8) is vertically upward. The first mounting plate (9) is radially mounted on the output shaft of the wire frame rotating motor (8). The first lifting cylinder (10) is fixedly mounted on the first mounting plate (9). The execution end of the first lifting cylinder (10) is vertically downward. The execution end of the first lifting cylinder (10) is mounted on the second mounting plate (11). The first suction cup (12) is mounted on the second mounting plate (11). The wire frame rotating motor (8), the first lifting cylinder (10), the second mounting plate (11), and the first suction cup (12) are connected to the control system.

4. The automatic coil welding machine according to claim 1, characterized in that, The welding device includes a lifting device, which is mounted on the support (1). The lifting device is equipped with a welding torch (20) that cooperates with the fixture on the turntable via a connecting plate. Both the lifting device and the welding torch (20) are connected to the control system.

5. An automatic coil welding machine according to claim 1, characterized in that, The unloading device includes a fixed platform (22), which is mounted on the support (1). A robot arm is mounted on the fixed platform (22), and the execution end of the robot arm is equipped with a second suction cup (23). The terminal of the linear drive device is located within the stroke range of the robot arm. The robot arm and the second suction cup (23) are connected to the control system.

6. An automatic coil welding machine according to claim 5, characterized in that, The robotic arm includes a third lifting cylinder (24), a horizontal telescopic cylinder (25), and a unloading rack (26). The unloading rack (26) is mounted on the fixed platform (22) and is located at the end of the linear drive device. The horizontal telescopic cylinder (25) is fixedly mounted on the unloading rack (26). The telescopic direction of the horizontal telescopic cylinder (25) is parallel to the moving direction of the linear drive device. The downward-facing third lifting cylinder (24) is fixedly mounted on the execution end of the horizontal telescopic cylinder (25). The execution end of the third lifting cylinder (24) is provided with a second suction cup (23). The end of the linear drive device is located within the stroke range of the third lifting cylinder (24) and the end of the linear drive device is located within the stroke range of the horizontal telescopic cylinder (25). The third lifting cylinder (24), the horizontal telescopic cylinder (25), the third lifting cylinder (24), and the second suction cup (23) are all connected to the control system.

7. An automatic coil welding machine according to claim 6, characterized in that, The bracket is also equipped with a wire frame cutting module, which is located within the stroke range of the third lifting cylinder (24) and the horizontal telescopic cylinder (25). The wire frame cutting module is connected to the control system.

8. An automatic coil welding machine according to claim 7, characterized in that, The wire frame cutting module includes an upper die (30) and a lower die (28). A first slide rail (27) is provided on the bracket (1). The first slide rail (27) is parallel to the driving direction of the linear direction driving device. The lower die (28) is slidably provided between the two ends of the first slide rail (27). A vertically downward fourth lifting cylinder (29) is provided on the unloading rack (26) above the end of the first slide rail (27) facing away from the linear direction driving device. The upper die (30) is fixedly installed at the execution end of the fourth lifting cylinder (29). 9) Outside the stroke range of the horizontal telescopic cylinder (25), the bracket (1) is provided with a tension cylinder (31). The tension cylinder (31) is parallel to the first slide rail (27). The tension cylinder (31) is located at one end of the first slide rail (27) away from the linear drive device. The execution end of the tension cylinder (31) is fixedly connected to the lower mold (28). Both ends of the first slide rail (27) are within the stroke range of the tension cylinder (31). The fourth lifting cylinder (29) and the tension cylinder (31) are both signal connected to the control system.

9. An automatic coil welding machine according to claim 8, characterized in that, On the unloading rack (26), a fifth lifting cylinder (33) is provided on the side of the first slide rail (27) facing away from the linear drive device. The execution end of the fifth lifting cylinder (33) is provided with a horizontal plate (34). A second slide rail (35) is provided on the horizontal plate (34). The second slide rail (35) is parallel to the first slide rail (27). A mounting seat (36) is slidably provided between the two ends of the second slide rail (35). A plurality of third suction cups (37) are provided on the mounting seat (36). A push-pull cylinder (32) is provided on the bracket (1). The execution end of the push-pull cylinder (32) is fixedly connected to the mounting seat (36). The push-pull cylinder (32) is parallel to the second slide rail (35). The fifth lifting cylinder (33), the push-pull cylinder (32), and the third suction cups (37) are all signal connected to the control system.

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