Automatic stripping and tinning wire welding machine and working method thereof

Abstract

The present invention discloses an automatic stripping and tinning wire welding machine and a working method thereof, which comprises a frame, a bracket, a solder tank, a PLC controller, and a rotating wire feeding mechanism, a stripping and cutting device, a wire pulling mechanism, a wire moving mechanism, a wire loading mechanism, a rotary table, a wire welding mechanism, a feeding mechanism, and a discharging mechanism, which are respectively connected to the PLC controller and controlled by the PLC controller. The present invention has an ingenious and reasonable structural design, and controls the working states of the rotating wire feeding mechanism, the stripping and cutting device, the wire pulling mechanism, the wire moving mechanism, the wire loading mechanism, the rotary table, the wire welding mechanism, the feeding mechanism, and the discharging mechanism through the PLC controller, and automatically realizes the processes of stripping, tinning, cutting, stripping, and welding, etc., which is simple and convenient to operate, with a high degree of automation, can greatly improve the production efficiency of the buzzer, reduce the labor intensity of the operators, increase the production income, and is suitable for mass production.

Description

Technical Field

[0001] The present invention relates to the technical field of wire bonding machines, and in particular to an automatic stripping and tinning wire bonding machine for buzzer product bonding wires and a working method thereof. Background Art

[0002] With the continuous improvement of industrial automation, traditional manual assembly methods can no longer meet the development needs of society. With the continuous increase in labor costs and the continuous improvement of social competitiveness, in order to occupy a place in the fierce competition, we must have strong industrial automation as a backing to avoid being eliminated.

[0003] With the widespread popularity and rapid development of electronic products, the demand for electronic components within these products is increasing. Buzzers are one such component. To improve assembly efficiency, wires must be soldered to the buzzer's PCB board. The other ends of the wires also need to be stripped and tinned to facilitate soldering to other functional components. The existing method involves stripping and tinning both ends of the wires. Then, manually grasping the PCB with one hand and positioning it on a jig, the user grasps the wire with the other hand, placing one end of the wire in contact with the PCB's solder pin. After confirming the position, soldering is performed using a welding torch. This method requires a significant amount of manpower for mass production, resulting in extremely high labor costs. Furthermore, manual labor is subject to many subjective factors, making it difficult to guarantee soldering quality. Summary of the Invention

[0004] In view of the above-mentioned deficiencies, the object of the present invention is to provide an automatic stripping and tinning wire bonding machine and its working method which has an ingenious and reasonable structural design, is easy to operate, and can automatically perform stripping, tinning and welding.

[0005] To achieve the above-mentioned purpose, the technical solution provided by the present invention is: an automatic stripping and tinning wire soldering machine, which includes a frame, a bracket, a rotating wire feeding mechanism, a solder trough, a stripping and cutting device, a wire pulling mechanism, a wire moving mechanism, a wire loading mechanism, a rotary worktable, a wire soldering mechanism, a loading mechanism and a unloading mechanism, wherein the rotary worktable is arranged on the table top of the frame, and the loading mechanism, wire loading mechanism, wire soldering mechanism and unloading mechanism are distributed at the peripheral positions of the rotary worktable; the bracket is arranged at a side position of the wire loading mechanism, and the rotating wire feeding mechanism, the stripping and cutting device and the wire pulling mechanism are arranged in sequence on the bracket, and the wire moving mechanism is arranged on the frame at a position corresponding to the wire loading mechanism and the wire pulling mechanism; the solder trough is arranged on the frame at a position below the rotating wire feeding mechanism.

[0006] As an improvement of the present invention, the rotating wire feeding mechanism includes a rotating motor, a rotating shaft, a rotating seat, a wire feeding slide, a wire feeding cylinder, a wire feeding guide wheel group, a wire pressing device and a wire outlet pipe. The rotating shaft is arranged on the bracket through a bearing seat, the rotating motor is arranged on the bracket and can drive the rotating shaft to rotate, the rotating seat is arranged on the rotating shaft, the wire feeding slide is arranged on the rotating seat through a linear sliding assembly, the wire feeding cylinder is arranged on the rotating seat and can drive the wire feeding slide to slide relative to the rotating seat, and the wire feeding guide wheel group, the wire pressing device and the wire outlet pipe are arranged in sequence on the rotating seat.

[0007] As an improvement of the present invention, the wire pressing device includes a wire pressing cylinder, a wire pressing block and a pad. The wire pressing cylinder and the pad are relatively arranged on the rotating seat. The wire pressing block is arranged on the piston rod of the wire pressing cylinder and can press toward the pad when the wire pressing cylinder extends.

[0008] As an improvement of the present invention, the peeling and cutting device includes a peeling and cutting motor and a peeling and cutting blade group. The peeling and cutting motor drives the peeling and cutting blade group to relatively close or separate through a bidirectional screw assembly.

[0009] As an improvement of the present invention, the wire pulling mechanism includes a clamping hand, a tensioning cylinder, a wire pulling slide and a wire pulling moving module. The wire pulling slide is movably arranged on the bracket through a slide rail. The clamping hand and the tensioning cylinder are arranged on the wire pulling slide, and the tensioning cylinder can drive the clamping hand to open or clamp accordingly when performing a telescopic action. The wire pulling moving module is arranged on the bracket and can drive the wire pulling slide to move closer to or away from the stripping and cutting device.

[0010] As an improvement of the present invention, the line moving mechanism includes a line moving transverse moving module, a pneumatic gripper, a transverse moving seat, a propulsion cylinder and a propulsion slide. The transverse moving seat is arranged on the line moving transverse moving module, and is driven by the line moving transverse moving module to move back and forth between the line-up mechanism and the wire pulling mechanism. The propulsion slide is movably arranged on the transverse moving seat through the propulsion slide rail. The pneumatic gripper is arranged on the propulsion slide. The propulsion cylinder is arranged on the transverse moving seat and can drive the propulsion slide to move relative to the transverse moving seat.

[0011] As an improvement of the present invention, the upper line mechanism includes an upper line frame, a clamping cylinder, an upper line positioning jig and a lower line positioning jig. The clamping cylinder is arranged on the upper line frame, and the upper line positioning jig and the lower line positioning jig are respectively arranged on the two finger parts of the clamping cylinder. The lower line positioning jig is provided with a positioning wire groove, and the upper line positioning jig is provided with a positioning convex tooth adapted to the positioning wire groove.

[0012] As an improvement of the present invention, the wire bonding mechanism includes a wire bonding rack, a wire bonding X-axis motion module, a wire bonding Y-axis motion module, a wire bonding lifting motion module, a welding gun seat and a welding gun, wherein the wire bonding Y-axis motion module is arranged on the wire bonding rack, the X-axis motion module is arranged on the wire bonding Y-axis motion module, the wire bonding lifting motion module is arranged on the X-axis motion module, the welding gun seat is arranged on the wire bonding lifting motion module, the welding gun is arranged on the welding gun seat and faces the rotary workbench.

[0013] As an improvement of the present invention, the loading mechanism includes a loading seat, a loading top frame, a loading bottom frame, a hopper, a loading platform, a loading rod, a spur rack, a loading motor, a gear, a loading horizontal motion module, a loading lifting motion module and a loading suction nozzle, the loading top frame and the hopper are arranged on the upper surface of the loading seat, the loading bottom frame is arranged on the lower surface of the loading seat, one end of the loading platform is fixed on the loading top frame, and the other end is provided with a discharge port that cooperates with the hopper, the loading motor is arranged on the loading bottom frame, the gear is arranged on the driving shaft of the loading motor, the spur rack is arranged on the loading bottom frame through a slide rail assembly, the lower end of the loading rod is fixed on the spur rack, and the upper end extends upward and extends into the hopper from the bottom surface of the hopper, the loading horizontal motion module is arranged on the loading top frame, the loading lifting motion module is arranged on the loading horizontal motion module, and the loading suction nozzle is arranged on the loading lifting motion module.

[0014] As an improvement of the present invention, the unloading mechanism includes a unloading rack, a unloading horizontal motion module, a unloading lifting motion module, a unloading plate and a unloading suction nozzle. The unloading horizontal motion module is arranged on the unloading rack, the unloading lifting motion module is arranged on the unloading horizontal motion module, and the unloading suction nozzle is arranged on the unloading lifting motion module through the unloading plate.

[0015] As an improvement of the present invention, the rotary workbench includes a dividing plate, a dividing box, a dividing motor and a product fixture. The dividing plate is arranged on the output shaft of the dividing box, and the dividing motor is connected to the input shaft of the dividing box through a belt conveyor; multiple product fixtures are arranged symmetrically at the edge of the dividing plate.

[0016] A method for automatically stripping tinned solder wires, comprising the following steps:

[0017] (1) The PCB board is placed on the product fixture of the rotary table through the loading mechanism, and is transported to the position of the loading mechanism by the rotary table;

[0018] (2) The wire is fed in by a rotating wire feeding mechanism, which rotates to a horizontal state and extends one end of the wire into a stripping and cutting device, which strips one end of the wire to achieve the purpose of stripping;

[0019] (3) The wire feeding mechanism is retracted and then rotated toward the solder tank, and one end of the wire is inserted into the solder tank to achieve the purpose of tinning;

[0020] (4) The wire feeding mechanism is rotated back and reversed to a horizontal state, and the wire pulling mechanism moves over to clamp one end of the wire and pull it back to a predetermined distance;

[0021] (5) The wire moving mechanism clamps and positions the wire being connected back, and the wire pulling mechanism releases the wire;

[0022] (6) The stripping and cutting device cuts the wire to obtain the required length of wire. At the same time, the stripping and cutting device strips the other end of the wire to achieve the purpose of cutting and stripping;

[0023] (7) The wire moving mechanism moves the wire to the wire loading mechanism, which clamps and positions the wire so that the other end of the wire is positioned on the solder pin of the PCB board. The wire moving mechanism releases the wire and returns to its initial state.

[0024] (8) The wire welding mechanism performs downward welding, so that the other end of the wire is welded to the soldering foot of the PCB board to achieve the welding purpose;

[0025] (9) The rotary table moves the soldered PCB to the unloading mechanism, which adsorbs the PCB and moves it to the predetermined position.

[0026] The beneficial effects of the present invention are as follows: the structural design of the present invention is ingenious and reasonable. Through the cooperation of the rotating wire feeding mechanism, the stripping and cutting device, the wire pulling mechanism, the wire moving mechanism, the wire loading mechanism, the rotary worktable, the wire welding mechanism, the loading mechanism and the unloading mechanism, the peeling, tinning, cutting and stripping and welding processes can be automatically realized. The operation is simple and convenient, the degree of automation is high, the production efficiency of the buzzer can be greatly improved, the labor intensity of the operators is reduced, the production income is increased, and it is suitable for mass production.

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0029] Figure 2 It is a structural schematic diagram of the rotary wire feeding mechanism in the present invention.

[0030] Figure 3 It is a structural schematic diagram of the stripping and cutting device and the wire pulling mechanism in the present invention.

[0031] Figure 4 It is a structural schematic diagram of the line shifting mechanism in the present invention.

[0032] Figure 5It is a structural diagram of the thread-up mechanism in the present invention.

[0033] Figure 6 It is a structural schematic diagram of the rotary worktable and wire welding mechanism in the present invention.

[0034] Figure 7 It is a structural diagram of the feeding mechanism in the present invention.

[0035] Figure 8 It is a structural diagram of the blanking mechanism in the present invention. DETAILED DESCRIPTION

[0036] For example, see Figures 1 to 8 , this embodiment provides an automatic stripping and tinning wire soldering machine, which includes a frame 11, a bracket 12, a rotary wire feeding mechanism 1, a solder trough 10, a stripping and cutting device 2, a wire pulling mechanism 3, a wire moving mechanism 4, a wire loading mechanism 5, a rotary worktable 6, a wire soldering mechanism 7, a loading mechanism 8, a unloading mechanism 9 and a PLC controller 13, wherein the rotary worktable 6 is arranged on the table of the frame 11, and the loading mechanism 8, the wire loading mechanism 5, the wire soldering mechanism 7 and the unloading mechanism 9 are distributed at the peripheral position of the rotary worktable 6; the bracket 12 is arranged on one side of the wire loading mechanism 5, the rotary wire feeding mechanism 1, the stripping and cutting device 2 and the wire pulling mechanism 3 are arranged in sequence on the bracket 12, and the wire moving mechanism 4 is arranged on the frame 11 at a position corresponding to the position of the wire loading mechanism 5 and the wire pulling mechanism 3; the solder trough 10 is arranged on the frame 11 at a position corresponding to the lower part of the rotary wire feeding mechanism 1.

[0037] The PLC controller 13 is set on the frame 11, and the rotating wire feeding mechanism 1, the stripping and cutting device 2, the wire pulling mechanism 3, the wire moving mechanism 4, the wire loading mechanism 5, the rotary workbench 6, the wire welding mechanism 7, the loading mechanism 8 and the unloading mechanism 9 are respectively connected to the PLC controller 13 and controlled by it.

[0038] See also Figure 2 The rotating wire feeding mechanism 1 includes a rotating motor 111, a rotating shaft, a rotating seat 112, a wire feeding slide 113, a wire feeding cylinder 114, a wire feeding guide wheel group 115, a wire pressing device 116 and a wire outlet pipe 117. The rotating shaft is arranged on the bracket 12 through a bearing seat. The rotating motor 111 is arranged on the bracket 12 and can drive the rotating shaft to rotate. The rotating seat 112 is arranged on the rotating shaft. The wire feeding slide 113 is arranged on the rotating seat 112 through a linear sliding assembly. The wire feeding cylinder 114 is arranged on the rotating seat 112 and can drive the wire feeding slide 113 to slide relative to the rotating seat 112. The wire feeding guide wheel group 115, the wire pressing device 116 and the wire outlet pipe 117 are arranged in sequence on the rotating seat 112.

[0039] The wire pressing device 116 includes a wire pressing cylinder, a wire pressing block and a cushion seat. The wire pressing cylinder and the cushion seat are relatively arranged on the rotating seat 112. The wire pressing block is arranged on the piston rod of the wire pressing cylinder and can press toward the cushion seat when the wire pressing cylinder extends.

[0040] See also Figure 3 The peeling and cutting device 2 includes a peeling and cutting motor 21 and a peeling and cutting blade group 22. The peeling and cutting motor 21 drives the peeling and cutting blade group 22 to close or separate relative to each other through a bidirectional screw assembly 23, 24, and 25.

[0041] The wire pulling mechanism 3 includes a clamping hand 31, a tensioning cylinder 32, a wire pulling slide 33 and a wire pulling moving module 34. The wire pulling slide 33 is movably arranged on the bracket 12 through a slide rail. The clamping hand 31 and the tensioning cylinder 32 are arranged on the wire pulling slide 33, and the tensioning cylinder 32 can drive the clamping hand 31 to open or clamp accordingly when performing a telescopic action. The wire pulling moving module 34 is arranged on the bracket 12 and can drive the wire pulling slide 33 to move closer to or away from the stripping and cutting device 2.

[0042] See also Figure 4 The line shifting mechanism 4 includes a line shifting transverse module 41, a pneumatic gripper 42, a transverse seat 43, a propulsion cylinder 44 and a propulsion slide 45. The transverse seat 43 is arranged on the line shifting transverse module 41, and is driven by the line shifting transverse module 41 to move back and forth between the upper line mechanism 5 and the wire pulling mechanism 3. The propulsion slide 45 is movably arranged on the transverse seat 43 through the propulsion slide rail. The pneumatic gripper 42 is arranged on the propulsion slide 45. The propulsion cylinder 44 is arranged on the transverse seat 43, and can drive the propulsion slide 45 to move relative to the transverse seat 43.

[0043] See also Figure 5 The upper thread mechanism 5 includes an upper thread frame 51, a clamping cylinder 52, an upper thread positioning fixture 53 and a lower thread positioning fixture 54. The clamping cylinder 52 is arranged on the upper thread frame 51, and the upper thread positioning fixture 53 and the lower thread positioning fixture 54 are respectively arranged on the two finger parts of the clamping cylinder 52. The lower thread positioning fixture 54 is provided with a positioning wire groove 541, and the upper thread positioning fixture 53 is provided with a positioning convex tooth 531 adapted to the positioning wire groove 541.

[0044] See also Figure 6The wire bonding mechanism 7 includes a wire bonding rack 71, a wire bonding X-axis motion module 72, a wire bonding Y-axis motion module 73, a wire bonding lifting motion module 74, a welding gun seat 75 and a welding gun 76. The wire bonding Y-axis motion module 73 is arranged on the wire bonding rack 71, the wire bonding X-axis motion module 72 is arranged on the wire bonding Y-axis motion module 73, and is driven by the wire bonding Y-axis motion module 73 to reciprocate along the Y-axis, the wire bonding lifting motion module 74 is arranged on the wire bonding X-axis motion module 72, and is driven by the wire bonding X-axis motion module 72 to reciprocate along the X-axis, the welding gun seat 75 is arranged on the wire bonding lifting motion module 74, and is driven by the wire bonding lifting motion module 74 to perform lifting motion, the welding gun 76 is arranged on the welding gun seat 75, and faces the rotary worktable 6.

[0045] The rotary workbench 6 includes a dividing plate 61, a dividing box 62, a dividing motor 63 and a product fixture 64. The dividing plate 61 is arranged on the output shaft of the dividing box 62, and the dividing motor 63 is connected to the input shaft of the dividing box 62 through a belt conveyor; multiple product fixtures 64 are arranged symmetrically at the edge of the dividing plate 61.

[0046] See also Figure 7 The feeding mechanism 8 includes a feeding seat 81, a feeding top frame 82, a feeding bottom frame 83, a hopper 84, a feeding platform 85, a feeding rod 86, a straight rack 87, a feeding motor 88, a gear 89, a feeding horizontal motion module 810, a feeding lifting motion module 811 and a feeding suction nozzle 812. The feeding top frame 82 and the hopper 84 are arranged on the upper surface of the feeding seat 81, and the feeding bottom frame 83 is arranged on the lower surface of the feeding seat 81. One end of the feeding platform 85 is fixed on the feeding top frame 82, and the other end is provided with a discharge port that cooperates with the hopper 84. The feeding motor 88 is arranged on the feeding base frame 83, the gear 89 is arranged on the driving shaft of the feeding motor 88, the spur rack 87 is arranged on the feeding base frame 83 through the slide rail assembly, the lower end of the feeding rod 86 is fixed on the spur rack 87, and the upper end extends upward and extends into the hopper 84 from the bottom surface of the hopper 84, the feeding horizontal motion module 810 is arranged on the feeding top frame 82, the feeding lifting motion module 811 is arranged on the feeding horizontal motion module 810, and the feeding suction nozzle 812 is arranged on the feeding lifting motion module 811.

[0047] See also Figure 8 The unloading mechanism 9 includes an unloading rack 91, an unloading horizontal motion module 92, an unloading lifting motion module 93, an unloading plate 94 and an unloading suction nozzle 95. The unloading horizontal motion module 92 is arranged on the unloading rack 91, the unloading lifting motion module 93 is arranged on the unloading horizontal motion module 92, and the unloading suction nozzle 95 is arranged on the unloading lifting motion module 93 through the unloading plate 94.

[0048] When working, the working method of the automatic stripping and tinning wire bonding machine of the present invention is as follows:

[0049] (1) The PCB board is placed on the product fixture 64 of the rotary table 6 through the loading mechanism 8, and is transported by the rotary table 6 to the position of the loading mechanism 5;

[0050] (2) The wire is fed in by the rotating wire feeding mechanism 1, which rotates to a horizontal state and extends one end of the wire into the stripping and cutting device 2. The stripping and cutting device 2 strips the wire end to achieve the stripping purpose;

[0051] (3) The wire feeding mechanism 1 is rotated back and then rotated toward the solder tank 10, and one end of the wire is inserted into the solder tank 10 to achieve the purpose of tinning;

[0052] (4) The wire feeding mechanism 1 is rotated back and reversed to a horizontal state, and the wire pulling mechanism 3 moves over to clamp one end of the wire and pull it back to a predetermined distance;

[0053] (5) The wire moving mechanism 4 clamps and positions the wire being connected back, and the wire pulling mechanism 3 releases the wire;

[0054] (6) The stripping and cutting device 2 cuts the wire to obtain the required length of the wire. At the same time, the stripping and cutting device 2 strips the other end of the wire to achieve the purpose of cutting and stripping;

[0055] (7) The wire moving mechanism 4 moves the wire to the wire loading mechanism 5, which clamps and positions the wire so that the other end of the wire is positioned on the solder pin of the PCB board. The wire moving mechanism 4 releases the wire and returns to its initial state.

[0056] (8) The wire bonding mechanism 7 performs downward welding, so that the other end of the wire is welded to the soldering foot of the PCB board to achieve the welding purpose;

[0057] (9) The rotary table 6 moves the soldered PCB to the position of the unloading mechanism 9, which adsorbs the PCB and moves it to the predetermined position.

[0058] The beneficial effects of the present invention are as follows: the structural design of the present invention is ingenious and reasonable. Through the cooperation of the rotating wire feeding mechanism 1, the stripping and cutting device 2, the wire pulling mechanism 3, the wire moving mechanism 4, the wire loading mechanism 5, the rotary worktable 6, the wire welding mechanism 7, the loading mechanism 8 and the unloading mechanism 9, the peeling, tinning, cutting and stripping and welding processes can be automatically realized. The operation is simple and convenient, the degree of automation is high, the production efficiency of the buzzer can be greatly improved, the labor intensity of the operators is reduced, the production income is increased, and it is suitable for mass production.

[0059] Based on the disclosure and teachings of the above description, those skilled in the art may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this description, these terms are only for convenience of description and do not constitute any limitation to the present invention. The use of the same or similar machines is within the scope of protection of the present invention.

Claims

1. An automatic stripping and tinning wire bonding machine, comprising a frame, characterized in that: It also includes a bracket, a rotating wire feeding mechanism, a soldering trough, a stripping and cutting device, a wire pulling mechanism, a wire shifting mechanism, a wire loading mechanism, a rotary worktable, a wire welding mechanism, a loading mechanism and a unloading mechanism. The rotary worktable is arranged on the table of the frame, and the loading mechanism, the wire loading mechanism, the wire welding mechanism and the unloading mechanism are distributed at the peripheral position of the rotary worktable; the bracket is arranged at a side position of the wire loading mechanism, the rotating wire feeding mechanism, the stripping and cutting device and the wire pulling mechanism are arranged in sequence on the bracket, the wire shifting mechanism is arranged on the frame at a position corresponding to the wire loading mechanism and the wire pulling mechanism, and the solder trough is arranged on the frame at a position corresponding to the lower position of the rotating wire feeding mechanism; The rotary wire feeding mechanism comprises a rotary motor, a rotary shaft, a rotary seat, a wire feeding slide seat, a wire feeding cylinder, a wire feeding guide wheel group, a wire pressing device and a wire outlet pipe, wherein the rotary shaft is arranged on the bracket through a bearing seat, the rotary motor is arranged on the bracket and can drive the rotary shaft to rotate, the rotary seat is arranged on the rotary shaft, the wire feeding slide seat is arranged on the rotary seat through a linear sliding assembly, the wire feeding cylinder is arranged on the rotary seat and can drive the wire feeding slide seat to slide relative to the rotary seat, and the wire feeding guide wheel group, the wire pressing device and the wire outlet pipe are arranged on the rotary seat in sequence; The wire pulling mechanism includes a clamping hand, a tensioning cylinder, a wire pulling slide and a wire pulling moving module. The wire pulling slide is movably arranged on the bracket through a slide rail. The clamping hand and the tensioning cylinder are arranged on the wire pulling slide, and the tensioning cylinder can drive the clamping hand to open or clamp accordingly when performing a telescopic action. The wire pulling moving module is arranged on the bracket and can drive the wire pulling slide to move closer to or away from the stripping and cutting device. The wire-shifting mechanism comprises a wire-shifting transverse-moving module, a pneumatic gripper, a transverse-moving seat, a propulsion cylinder and a propulsion slide. The transverse-moving seat is arranged on the wire-shifting transverse-moving module and is driven by the wire-shifting transverse-moving module to reciprocate between the wire-up mechanism and the wire-pulling mechanism. The propulsion slide is movably arranged on the transverse-moving seat through a propulsion slide rail. The pneumatic gripper is arranged on the propulsion slide. The propulsion cylinder is arranged on the transverse-moving seat and can drive the propulsion slide to move relative to the transverse-moving seat. The thread-up mechanism comprises a thread-up frame, a clamping cylinder, an upper thread-setting fixture and a lower thread-setting fixture. The clamping cylinder is arranged on the thread-up frame, and the upper thread-setting fixture and the lower thread-setting fixture are arranged on two finger parts of the clamping cylinder respectively. The lower thread-setting fixture is provided with a positioning wire groove, and the upper thread-setting fixture is provided with a positioning convex tooth matched with the positioning wire groove. The wire bonding mechanism includes a wire bonding rack, a wire bonding X-axis motion module, a wire bonding Y-axis motion module, a wire bonding lifting motion module, a welding gun seat and a welding gun, wherein the wire bonding Y-axis motion module is arranged on the wire bonding rack, the X-axis motion module is arranged on the wire bonding Y-axis motion module, the wire bonding lifting motion module is arranged on the X-axis motion module, the welding gun seat is arranged on the wire bonding lifting motion module, the welding gun is arranged on the welding gun seat and faces the rotary worktable.

2. The automatic stripping and tinning wire bonding machine according to claim 1, characterized in that: The wire pressing device comprises a wire pressing cylinder, a wire pressing block and a cushion seat. The wire pressing cylinder and the cushion seat are relatively arranged on a rotating seat. The wire pressing block is arranged on the piston rod of the wire pressing cylinder and can press toward the cushion seat when the wire pressing cylinder extends.

3. The automatic stripping and tinning wire bonding machine according to claim 1, characterized in that: The stripping and cutting device comprises a stripping and cutting motor and a stripping and cutting blade group. The stripping and cutting motor drives the stripping and cutting blade group to relatively close or separate through a bidirectional screw assembly.

4. The automatic stripping and tinning wire bonding machine according to claim 1, characterized in that: The feeding mechanism includes a feeding seat, a feeding top frame, a feeding bottom frame, a silo, a feeding platform, a feeding rod, a spur rack, a feeding motor, a gear, a feeding horizontal motion module, a feeding lifting motion module and a feeding suction nozzle. The feeding top frame and the silo are arranged on the upper surface of the feeding seat, and the feeding bottom frame is arranged on the lower surface of the feeding seat. One end of the feeding platform is fixed on the feeding top frame, and the other end is provided with a discharge port matching the silo. The feeding motor is arranged on the feeding bottom frame, and the gear is arranged on the driving shaft of the feeding motor. The spur rack is arranged on the feeding bottom frame through a slide rail assembly. The lower end of the feeding rod is fixed on the spur rack, and the upper end extends upward and extends into the silo from the bottom surface of the silo. The feeding horizontal motion module is arranged on the feeding top frame, the feeding lifting motion module is arranged on the feeding horizontal motion module, and the feeding suction nozzle is arranged on the feeding lifting motion module.

5. A method for automatically stripping and tinning solder wires using the automatic stripping and tinning solder wire machine according to any one of claims 1 to 4, characterized in that: It includes the following steps: (1) The PCB board is placed on the product fixture of the rotary table through the loading mechanism, and is transported to the position of the online mechanism by the rotary table; (2) The wire is fed in by a rotating wire feeding mechanism, which rotates to a horizontal state and extends one end of the wire into a stripping and cutting device, which strips one end of the wire to achieve the purpose of stripping; (3) The wire feeding mechanism is rotated back and then rotated toward the solder tank, and one end of the wire is inserted into the solder tank to achieve the purpose of tinning; (4) The wire feeding mechanism is rotated back and reversed to a horizontal state, and the wire pulling mechanism moves over to clamp one end of the wire and pull it back to a predetermined distance; (5) The wire moving mechanism clamps the wire that is connected back to the original position, and the wire pulling mechanism releases the wire; (6) The stripping and cutting device cuts the wire to obtain the required length of the wire. At the same time, the stripping and cutting device strips the other end of the wire to achieve the purpose of cutting and stripping; (7) The wire moving mechanism moves the wire to the wire loading mechanism, which clamps and positions the wire so that the other end of the wire is positioned at the soldering foot of the PCB board. The wire moving mechanism releases the wire and returns to its initial state. (8) The wire welding mechanism performs downward welding, so that the other end of the wire is welded to the welding foot of the PCB board to achieve the welding purpose; (9) The rotary table moves the soldered PCB to the unloading mechanism, which adsorbs the PCB and moves it to the predetermined position.

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