Pin welding device for electronic element

Abstract

The invention relates to the technical field of electronic component welding, and discloses an electronic component pin welding device which comprises a workbench, a positioning mechanism is arranged on the workbench, and the positioning mechanism comprises a rotating limiting groove, a rotating sliding block, a rotating table, a supporting block, a rotating block, a connecting plate, a fixing frame, a suction nozzle, a vacuum generator and a rotating groove. The rotary limiting groove is formed in the top of the workbench, the rotary sliding block is rotationally connected to the inner wall of the rotary limiting groove, and the rotary table is fixedly installed at the top of the rotary sliding block. The rotary table drives all components on the rotary table to rotate, so that the angle of a circuit board can be adjusted according to actual welding requirements; the angle of the circuit board can be accurately adjusted through multi-angle adjustment, so that a welding point can be located at the optimal welding position, and electronic elements of different specifications and shapes and different welding process requirements can be flexibly met.

Description

Technical Field

[0001] The invention relates to the technical field of electronic component welding, in particular to a pin welding device for an electronic component. Background Art

[0002] Pin soldering of electronic components refers to the process of connecting the pins of electronic components to the pads on the circuit board through specific soldering processes and methods.

[0003] According to a Chinese patent with publication number "CN114192926A", a pin welding device for electronic component production includes an operating table, a holding structure is provided on the inner side of the operating table, a positioning structure is provided between the holding structure and the operating table, an alignment structure is installed on the operating table, the alignment structure is connected to an adsorption structure, a control structure is provided on the inner side of the adsorption structure, and a clamping structure is provided on the side of the adsorption structure. The holding structure can carry the PCB board used for welding electronic components and ensure its regular placement. The positioning structure can brake the operating table and the placement plate, and the alignment structure can facilitate the components in different positions. The position calibration is performed, and the pins of the electronic components can be accurately welded through the adsorption structure, the fixing state of the components can be controlled through the control structure, and the extraction of the electronic components can be more stable through the clamping structure. When the above-mentioned device is in use, no positioning adjustment structure is set. When welding some electronic components of special shapes, the angle of the circuit board cannot be flexibly adjusted, which increases the difficulty of welding and makes it difficult to ensure the welding quality. At the same time, different welding processes may require different welding angles. Traditional devices cannot meet these requirements, which greatly affects the welding efficiency and product quality. Therefore, a pin welding device for electronic components is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a pin welding device for electronic components in view of the deficiencies in the above-mentioned prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a pin welding device for electronic components, comprising a workbench, a positioning mechanism is arranged on the workbench, the positioning mechanism comprises a rotation limit groove, a rotating slider, a rotating table, a support block, a rotating block, a connecting plate, a fixing frame, a suction nozzle, a vacuum generator, and a rotating groove, the rotation limit groove is opened on the top of the workbench, the rotating slider is rotatably connected to the inner wall of the rotation limit groove, the rotating table is fixedly installed on the top of the rotating slider, the support block is fixedly installed on the top of the rotating table, the rotating groove is opened on the support block, the rotating block is rotatably connected to the inner wall of the rotating groove, the connecting plate is fixedly installed on the rotating block, the fixing frame is fixedly installed on the bottom of the connecting plate, the suction nozzle is fixedly installed on the fixing frame, and the vacuum generator is fixedly installed on the bottom of the fixing frame.

[0006] Preferably, the positioning mechanism further comprises a first support plate and a motor 1, wherein the first support plate is fixedly mounted on one side of the support block, the motor 1 is fixedly mounted on the first support plate, and the output shaft of the motor 1 is fixedly connected to the rotating block. According to this preference, by starting the motor 1, the output shaft of the motor 1 drives the fixedly connected rotating block to rotate on the inner wall of the rotating groove.

[0007] Preferably, the positioning mechanism further comprises a roller, a first bevel gear, a second support plate, a second motor, a rotating shaft, and a second bevel gear. The roller is rotatably connected to the bottom of the workbench through a bearing, the top of the roller is fixedly connected to the rotating table, the first bevel gear is fixedly sleeved on the outer wall of the bottom end of the roller, the second support plate is fixedly mounted on the bottom of the workbench, the second motor is fixedly mounted on the second support plate, one end of the rotating shaft is fixedly connected to the output end of the second motor, and the second bevel gear is fixedly sleeved on the outer wall of the other end of the rotating shaft and meshed with the first bevel gear. According to this preference, the roller rotates, so that the rotating table can be driven to rotate by the roller.

[0008] Preferably, a lifting mechanism is provided at the bottom of the workbench, and the lifting mechanism includes a support frame, a threaded rod, a lifting plate, a lifting groove, a support column, and a pulley group. The top end of the threaded rod is rotatably connected to the support frame through a bearing, the lifting plate is threadedly sleeved on the outer wall of the threaded rod, the lifting groove is opened on the support frame, the two ends of the lifting plate are slidably connected to the inner wall of the lifting groove, the support column is fixedly installed on the lifting plate, the top end of the support column passes through the support frame and is fixedly connected to the bottom of the workbench, and the bottom end of the threaded rod is fixedly sleeved with a pulley group. According to this preference, the lifting plate is lifted and lowered on the inner wall of the lifting groove, so that the lifting plate drives the workbench and all components on the workbench to lift and lower through the support column.

[0009] Preferably, the lifting mechanism further comprises a motor 3, and the output end of the motor 3 is fixedly connected to the bottom end of a threaded rod. According to this preference, by starting the motor 3, the output end of the motor 3 drives the fixedly connected threaded rod to rotate.

[0010] Preferably, the top of the workbench is also provided with an adjustment mechanism, which includes a threaded barrel, a threaded column, a third bevel gear, a fourth bevel gear, a third support plate, and a rotating rod. The threaded barrel is rotatably connected to the top of the workbench through a bearing, the threaded column is threadedly connected to the inside of the threaded barrel, the third bevel gear is fixedly sleeved on the outer wall of the threaded barrel, the fourth bevel gear is meshedly connected to the third bevel gear, the third support plate is fixedly installed on the top of the workbench, one end of the rotating rod is rotatably connected to the third support plate through a bearing, and the other end of the rotating rod is fixedly sleeved on the inner wall of the fourth bevel gear. According to this preference, the threaded column threadedly connected to the inner wall of the threaded barrel pushes the fourth support plate and all the components on the fourth support plate upward to lift and lower.

[0011] Preferably, the adjustment mechanism further includes a cushion block, a fourth motor, a driving pulley, and a driven pulley. The cushion block is fixedly mounted on the top of the workbench, the fourth motor is fixedly mounted on the top of the cushion block, the driving pulley is fixedly sleeved on the outer wall of the output shaft of the fourth motor, and the driven pulley is fixedly sleeved on the outer wall of the rotating rod and is connected to the driving pulley through a synchronous belt. According to this preference, by starting the fourth motor, the output shaft of the fourth motor drives the driving pulley fixedly sleeved on the outer wall to rotate.

[0012] Preferably, the adjustment mechanism further comprises a fourth support plate, a through hole, a limit rod, a screw rod, a screw rod slider, and a motor 5, wherein the fourth support plate is fixedly mounted on the top of the threaded column, the through hole is provided on the fourth support plate, the limit rod is fixedly mounted inside the through hole, one end of the screw rod is rotatably connected to the inner wall of the through hole through a bearing, one end of the screw rod slider is threadedly sleeved on the outer wall of the screw rod, and the other end of the screw rod slider is slidably sleeved on the outer wall of the limit rod, the motor 5 is fixedly mounted on one side of the fourth support plate, and the output end of the motor 5 is fixedly connected to the other end of the screw rod. According to this preference, by starting the motor 5, the output end of the motor 5 drives the fixedly connected screw rod to rotate.

[0013] Preferably, a purification mechanism is also provided on the top of the workbench, and the purification mechanism includes an air suction pump, an air suction head, and a delivery pipe. The air suction pump is fixedly installed on the top of the screw slider, the air suction head is fixedly installed on the bottom of the screw slider and is connected to the air suction pump, and one end of the delivery pipe is fixedly connected to the air suction pump. According to this preference, by starting the air suction pump, the air suction pump can absorb the harmful gas generated during welding through the air suction head.

[0014] Preferably, the purification mechanism further comprises a mounting plate and a purification box, wherein the mounting plate is fixedly mounted on the back of the workbench, the purification box is fixedly mounted on the mounting plate, and the purification box is fixedly connected to the other end of the delivery pipe. According to this preference, harmful gases can be transported to the interior of the purification box through the delivery pipe for purification.

[0015] The present invention adopts the above technical solution, which can bring the following beneficial effects: 1. The pin welding device of the electronic component drives all the components on the rotating table to rotate under the cooperation of the rotating limit groove, the rotating slider, the rotating table, the support block, the rotating block, the connecting plate, the fixing frame, the suction nozzle, the vacuum generator, the rotating groove, the first supporting plate, the motor 1, the rotating roller, the first bevel gear, the second supporting plate, the motor 2, the rotating shaft, and the second bevel gear, so that the angle of the circuit board can be adjusted according to the actual welding requirements. The multi-angle adjustment can accurately adjust the angle of the circuit board so that the welding point can be in the best welding position. It can flexibly cope with electronic components of different specifications and shapes, as well as different welding process requirements.

[0016] 2. This pin welding device for electronic components, through the cooperation of a support frame, a threaded rod, a lifting plate, a lifting slot, a support column, a pulley group, and a motor, the lifting plate drives the workbench and all the components on the workbench to rise and fall through the support column. The height adjustability allows the operator to adjust the workbench to the most comfortable height according to his or her height and operating habits, reducing fatigue and physical discomfort caused by long-term work. At the same time, for different welding tasks and equipment, the adjustable height can better adapt to operational requirements.

[0017] 3. This pin welding device for electronic components, through the cooperation of a threaded barrel, a threaded column, a third bevel gear, a fourth bevel gear, a third support plate, a rotating rod, a pad, a fourth motor, a driving pulley, a driven pulley, a fourth support plate, a through hole, a limit rod, a screw rod, a screw rod slider, and a fifth motor, can accurately position the suction head to the area where harmful gases are most concentrated according to the actual situation of the welding operation. No matter where the welding point is, the harmful gas can be collected in a timely and effective manner to reduce the spread of harmful gases in the working environment.

[0018] 4. This pin welding device for electronic components can reduce the inhalation of harmful gases through the cooperation of the suction pump, suction head, delivery pipe, mounting plate and purification box. The harmful gases generated during the welding process, such as smoke, dust, volatile organic compounds, etc., are potentially harmful to the respiratory system and physical health of the operator. Creating a good working environment and removing harmful gases can improve the air quality in the workplace, enable operators to work in a more comfortable and healthy environment, and improve work efficiency and job satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the back structure of the present invention; Figure 3 It is a structural schematic diagram of the lifting mechanism of the present invention; Figure 4 It is a schematic diagram of the cross-section structure of the workbench of the present invention when viewed from above; Figure 5 It is a schematic diagram of the local structure of the positioning mechanism of the present invention; Figure 6 This is a schematic diagram of the structure of the rotating tank of the present invention; Figure 7 It is a schematic diagram of the partial structure of the purification mechanism of the present invention.

[0020] In the figure: 1, workbench; 21, positioning mechanism; 211, rotation limit groove; 212, rotating slider; 213, rotating table; 214, support block; 215, rotating block; 216, connecting plate; 217, fixing frame; 218, suction nozzle; 219, vacuum generator; 220, first support plate; 221, motor 1; 222, rotating roller; 223, first bevel gear; 224, second support plate; 225, motor 2; 226, rotating shaft; 227, second bevel gear; 228, rotating groove; 31, lifting mechanism; 311, support frame; 312, threaded rod; 313, lifting plate; 314, lifting groove; 315 , support column; 316, pulley group; 317, motor three; 41, adjustment mechanism; 411, threaded cylinder; 412, threaded column; 413, third bevel gear; 414, fourth bevel gear; 415, third support plate; 416, rotating rod; 417, cushion block; 418, motor four; 419, active pulley; 420, driven pulley; 421, fourth support plate; 422, through hole; 423, limit rod; 424, screw rod; 425, screw rod slider; 426, motor five; 51, purification mechanism; 511, suction pump; 512, suction head; 513, delivery pipe; 514, mounting plate; 515, purification box. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-7 , one embodiment of the present invention is: a pin welding device for electronic components, comprising a workbench 1, a positioning mechanism 21 is arranged on the workbench 1, the positioning mechanism 21 comprises a rotation limiting groove 211, a rotating slider 212, a rotating table 213, a support block 214, a rotating block 215, a connecting plate 216, a fixing frame 217, a suction nozzle 218, a vacuum generator 219, and a rotating groove 228, the rotation limiting groove 211 is arranged on the top of the workbench 1, the rotating slider 212 is rotatably connected to the inner wall of the rotation limiting groove 211, the rotating table 213 is fixedly installed on the top of the rotating slider 212, the support block 214 is fixedly installed on the top of the rotating table 213, the rotating groove 228 is arranged on the support block 214, the rotating block 215 is rotatably connected to the inner wall of the rotating groove 228, the connecting plate 216 is fixedly installed on the rotating block 215, the fixing frame 217 is fixedly installed on the bottom of the connecting plate 216, the suction nozzle 218 is fixedly installed on the fixing frame 217, and the vacuum generator 219 is fixedly installed on the bottom of the connecting plate 216. At the bottom of the fixed frame 217, the positioning mechanism 21 also includes a first support plate 220 and a motor 221. The first support plate 220 is fixedly mounted on one side of the support block 214. The motor 221 is fixedly mounted on the first support plate 220. The output shaft of the motor 221 is fixedly connected to the rotating block 215. The positioning mechanism 21 also includes a roller 222, a first bevel gear 223, a second support plate 224, a second motor 225, a rotating shaft 226, and a second bevel gear 227. The roller 222 is rotatably connected to the bottom of the workbench 1 through a bearing. The top of the roller 222 is fixedly connected to the rotating table 213. The first bevel gear 223 is fixedly sleeved on the outer wall of the bottom end of the roller 222. The second support plate 224 is fixedly mounted on the bottom of the workbench 1. The second motor 225 is fixedly mounted on the second support plate 224. One end of the rotating shaft 226 is fixedly connected to the output end of the second motor 225. The second bevel gear 227 is fixedly sleeved on the outer wall of the other end of the rotating shaft 226 and meshed with the first bevel gear 223. Working principle: By placing the circuit board to be welded on the connecting plate 216, and by starting the vacuum generator 219, the suction nozzle 218 can adsorb the circuit board on the connecting plate 216 to facilitate the subsequent welding work, and by starting the motor 1 221, the output shaft of the motor 1 221 drives the fixedly connected rotating block 215 to rotate on the inner wall of the rotating groove 228, thereby driving the connecting plate 216 to rotate, and then the angle of the circuit board can be adjusted, and by starting the motor 225, the output end of the motor 225 drives the fixedly connected rotating shaft 226 to rotate, thereby driving the second bevel gear 227 fixedly sleeved on the outer wall of the rotating shaft 226 to rotate, and then driving the second bevel gear 2 The first bevel gear 223 meshingly connected with the outer wall 27 rotates, so that the roller 222 fixedly mounted on the inner wall of the first bevel gear 223 rotates, so that the rotating table 213 can be driven to rotate through the roller 222, so that the rotating slider 212 rotates on the inner wall of the rotating limit groove 211, and then the stability of the rotation of the rotating table 213 can be ensured. The rotating table 213 drives all the components on itself to rotate, so that the angle of the circuit board can be adjusted according to the actual welding requirements. The multi-angle adjustment can accurately adjust the angle of the circuit board so that the welding point can be in the best welding position, and it can flexibly respond to electronic components of different specifications and shapes, as well as different welding process requirements.

[0026] See also Figure 1-7 On the basis of the above embodiment, in another embodiment of the present invention, a lifting mechanism 31 is provided at the bottom of the workbench 1, and the lifting mechanism 31 includes a support frame 311, a threaded rod 312, a lifting plate 313, a lifting groove 314, a support column 315, and a pulley group 316. The top of the threaded rod 312 is rotatably connected to the support frame 311 through a bearing, the lifting plate 313 is threadedly sleeved on the outer wall of the threaded rod 312, the lifting groove 314 is opened on the support frame 311, and both ends of the lifting plate 313 are slidably connected to the inner wall of the lifting groove 314. The support column 315 is fixedly installed on the lifting plate 313, the top of the support column 315 passes through the support frame 311 and is fixedly connected to the bottom of the workbench 1, and the bottom end of the threaded rod 312 is fixedly sleeved with a pulley group 316. The lifting mechanism 31 also includes a motor 317, and the output end of the motor 317 is fixedly connected to the bottom end of a threaded rod 312; Working principle: by starting motor three 317, the output end of motor three 317 drives the fixedly connected threaded rod 312 to rotate, thereby driving the pulley set 316 fixedly mounted on the outer wall of the threaded rod 312 to rotate, and through the transmission connection of the belt, the two threaded rods 312 rotate synchronously, so that the lifting plate 313 threadedly mounted on the outer wall of the threaded rod 312 is lifted and lowered on the inner wall of the lifting groove 314, so that the lifting plate 313 drives the workbench 1 and all components on the workbench 1 to be lifted and lowered through the support column 315. The height adjustability allows the operator to adjust the workbench 1 to the most comfortable height according to his or her height and operating habits, thereby reducing fatigue and physical discomfort caused by long-term work. At the same time, for different welding tasks and equipment, the adjustable height can better adapt to operating requirements.

[0027] See also Figure 1-7 On the basis of the above embodiment, in another embodiment of the present invention, an adjusting mechanism 41 is further provided on the top of the workbench 1, and the adjusting mechanism 41 includes a threaded barrel 411, a threaded column 412, a third bevel gear 413, a fourth bevel gear 414, a third support plate 415, and a rotating rod 416. The threaded barrel 411 is rotatably connected to the top of the workbench 1 through a bearing, the threaded column 412 is threadedly connected to the inside of the threaded barrel 411, the third bevel gear 413 is fixedly sleeved on the outer wall of the threaded barrel 411, the fourth bevel gear 414 is meshedly connected to the third bevel gear 413, the third support plate 415 is fixedly installed on the top of the workbench 1, one end of the rotating rod 416 is rotatably connected to the third support plate 415 through a bearing, and the other end of the rotating rod 416 is fixedly sleeved on the inner wall of the fourth bevel gear 414, the adjusting mechanism 41 also includes a cushion block 417, a motor four 418, a driving pulley 419, and a driven pulley 420, and the cushion block 417 is fixedly installed on the top of the workbench 1, The motor 418 is fixedly mounted on the top of the cushion block 417, the driving pulley 419 is fixedly sleeved on the outer wall of the output shaft of the motor 418, the driven pulley 420 is fixedly sleeved on the outer wall of the rotating rod 416 and is connected to the driving pulley 419 through a synchronous belt, and the adjustment mechanism 41 also includes a fourth support plate 421, a through hole 422, a limit rod 423, a screw rod 424, a screw rod slider 425, and a motor 5 426. The fourth support plate 421 is fixedly mounted on the top of the threaded column 412. The through hole 422 is provided on the fourth support plate 421, the limit rod 423 is fixedly installed inside the through hole 422, one end of the screw rod 424 is rotatably connected to the inner wall of the through hole 422 through a bearing, one end of the screw rod slider 425 is threadedly sleeved on the outer wall of the screw rod 424, and the other end of the screw rod slider 425 is slidably sleeved on the outer wall of the limit rod 423, the motor 5 426 is fixedly installed on one side of the fourth support plate 421, and the output end of the motor 5 426 is fixedly connected to the other end of the screw rod 424; Working principle: By starting the motor 418, the output shaft of the motor 418 drives the driving pulley 419 fixedly mounted on the outer wall to rotate, and the driven pulley 420 is driven to rotate under the transmission connection of the belt, thereby driving the rotating rod 416 fixedly mounted on the inner wall of the driven pulley 420 to rotate, so that the fourth bevel gear 414 fixedly mounted on one end of the rotating rod 416 is rotated, thereby driving the third bevel gear 413 meshingly connected to the outer wall of the fourth bevel gear 414 to rotate, and then driving the threaded cylinder 411 fixedly mounted on the inner wall of the third bevel gear 413 to rotate, so that the threaded column 411 threadedly connected to the inner wall of the threaded cylinder 411 is threaded. The fourth support plate 421 and all components on the fourth support plate 421 are pushed upward to be lifted or lowered, so that the height of the suction head 512 can be adjusted. By starting the motor 5 426, the output end of the motor 5 426 drives the fixedly connected screw rod 424 to rotate. Under the limiting action of the limiting rod 423, the screw rod slider 425 is driven to move left and right, thereby driving the suction head 512 to move left and right. According to the actual situation of the welding operation, the suction head 512 can be accurately positioned to the area where the harmful gas is most concentrated. No matter where the welding point is, the harmful gas can be collected in time and effectively to reduce the diffusion of the harmful gas in the working environment.

[0028] See also Figure 1-7 On the basis of the above embodiment, in another embodiment of the present invention, a purification mechanism 51 is further provided on the top of the workbench 1, and the purification mechanism 51 includes an air suction pump 511, an air suction head 512, and a delivery pipe 513. The air suction pump 511 is fixedly installed on the top of the screw slider 425, the air suction head 512 is fixedly installed on the bottom of the screw slider 425 and is connected to the air suction pump 511, one end of the delivery pipe 513 is fixedly connected to the air suction pump 511, and the purification mechanism 51 also includes a mounting plate 514 and a purification box 515. The mounting plate 514 is fixedly installed on the back of the workbench 1, and the purification box 515 is fixedly installed on the mounting plate 514. The purification box 515 is fixedly connected to the other end of the delivery pipe 513.

[0029] Working principle: By starting the suction pump 511, the suction pump 511 can absorb the harmful gas generated during welding through the suction head 512, and then transport it to the inside of the purification box 515 through the delivery pipe 513 for purification treatment, thereby reducing the inhalation of harmful gases. The harmful gases generated during the welding process, such as smoke, dust, volatile organic compounds, etc., are potentially harmful to the respiratory system and physical health of the operator. Creating a good working environment and removing harmful gases can improve the air quality in the workplace, allowing operators to work in a more comfortable and healthy environment, and improving work efficiency and job satisfaction.

[0030] It is worth noting that, in order to facilitate control, motor one 221, motor two 225, motor three 317, motor four 418, and motor five 426 in the above embodiments are all provided with control switches, and the control switches can control motor one 221, motor two 225, motor three 317, motor four 418, and motor five 426 to work. The above are all existing technologies and are not the main innovation points, and will not be described in detail here.

[0031] The present invention provides a pin welding device for electronic components. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A pin welding device for electronic components, comprising a workbench (1), characterized in that: The workbench (1) is provided with a positioning mechanism (21), the positioning mechanism (21) comprising a rotation limit groove (211), a rotation slide block (212), a rotation table (213), a support block (214), a rotation block (215), a connection plate (216), a fixing frame (217), a suction nozzle (218), a vacuum generator (219), and a rotation groove (228), the rotation limit groove (211) being opened on the top of the workbench (1), the rotation slide block (212) being rotationally connected to the inner wall of the rotation limit groove (211), and the rotation table (213) being fixed The rotating block (215) is mounted on the top of the rotating slider (212); the supporting block (214) is fixedly mounted on the top of the rotating platform (213); the rotating groove (228) is opened on the supporting block (214); the rotating block (215) is rotatably connected to the inner wall of the rotating groove (228); the connecting plate (216) is fixedly mounted on the rotating block (215); the fixing frame (217) is fixedly mounted on the bottom of the connecting plate (216); the suction nozzle (218) is fixedly mounted on the fixing frame (217); and the vacuum generator (219) is fixedly mounted on the bottom of the fixing frame (217).

2. The pin welding device of an electronic component according to claim 1, characterized in that: The positioning mechanism (21) further comprises a first support plate (220) and a motor 1 (221); the first support plate (220) is fixedly mounted on one side of the support block (214); the motor 1 (221) is fixedly mounted on the first support plate (220); and an output shaft of the motor 1 (221) is fixedly connected to the rotating block (215).

3. The pin welding device of an electronic component according to claim 1, characterized in that: The positioning mechanism (21) further comprises a roller (222), a first bevel gear (223), a second support plate (224), a second motor (225), a rotating shaft (226), and a second bevel gear (227); the roller (222) is rotatably connected to the bottom of the workbench (1) via a bearing; the top of the roller (222) is fixedly connected to the rotating table (213); the first bevel gear (223) is fixedly sleeved on the outer wall of the bottom end of the roller (222); the second support plate (224) is fixedly mounted on the bottom of the workbench (1); the second motor (225) is fixedly mounted on the second support plate (224); one end of the rotating shaft (226) is fixedly connected to the output end of the second motor (225); and the second bevel gear (227) is fixedly sleeved on the outer wall of the other end of the rotating shaft (226) and meshingly connected to the first bevel gear (223).

4. The pin welding device of an electronic component according to claim 1, characterized in that: A lifting mechanism (31) is provided at the bottom of the workbench (1). The lifting mechanism (31) comprises a support frame (311), a threaded rod (312), a lifting plate (313), a lifting groove (314), a support column (315), and a pulley group (316). The top end of the threaded rod (312) is rotatably connected to the support frame (311) via a bearing. The lifting plate (313) is threadedly sleeved on the outer wall of the threaded rod (312). The lifting groove (314) is provided on the support frame (311). Both ends of the lifting plate (313) are slidably connected to the inner wall of the lifting groove (314). The support column (315) is fixedly mounted on the lifting plate (313). The top end of the support column (315) passes through the support frame (311) and is fixedly connected to the bottom of the workbench (1). The bottom end of the threaded rod (312) is fixedly sleeved with a pulley group (316).

5. The pin welding device of an electronic component according to claim 4, characterized in that: The lifting mechanism (31) further comprises a third motor (317), wherein an output end of the third motor (317) is fixedly connected to the bottom end of a threaded rod (312).

6. The pin welding device of an electronic component according to claim 1, characterized in that: The top of the workbench (1) is also provided with an adjustment mechanism (41), the adjustment mechanism (41) comprising a threaded barrel (411), a threaded column (412), a third bevel gear (413), a fourth bevel gear (414), a third support plate (415), and a rotating rod (416), the threaded barrel (411) being rotatably connected to the top of the workbench (1) via a bearing, the threaded column (412) being threadedly connected to the inside of the threaded barrel (411), the third bevel gear (413) being fixedly sleeved on the outer wall of the threaded barrel (411), the fourth bevel gear (414) being meshingly connected to the third bevel gear (413), the third support plate (415) being fixedly mounted on the top of the workbench (1), one end of the rotating rod (416) being rotatably connected to the third support plate (415) via a bearing, and the other end of the rotating rod (416) being fixedly sleeved on the inner wall of the fourth bevel gear (414).

7. The pin welding device of an electronic component according to claim 6, characterized in that: The adjustment mechanism (41) further comprises a cushion block (417), a motor four (418), a driving pulley (419), and a driven pulley (420); the cushion block (417) is fixedly mounted on the top of the workbench (1); the motor four (418) is fixedly mounted on the top of the cushion block (417); the driving pulley (419) is fixedly sleeved on the outer wall of the output shaft of the motor four (418); and the driven pulley (420) is fixedly sleeved on the outer wall of the rotating rod (416) and is transmission-connected to the driving pulley (419) via a synchronous belt.

8. The pin welding device of an electronic component according to claim 6, characterized in that: The adjustment mechanism (41) further comprises a fourth support plate (421), a through hole (422), a limiting rod (423), a screw rod (424), a screw rod slider (425), and a fifth motor (426). The fourth support plate (421) is fixedly mounted on the top of the threaded column (412). The through hole (422) is formed on the fourth support plate (421). The limiting rod (423) is fixedly mounted inside the through hole (422). One end of the screw rod (424) is rotatably connected to the inner wall of the through hole (422) via a bearing. One end of the screw rod slider (425) is threadedly sleeved on the outer wall of the screw rod (424). The other end of the screw rod slider (425) is slidably sleeved on the outer wall of the limiting rod (423). The fifth motor (426) is fixedly mounted on one side of the fourth support plate (421). The output end of the fifth motor (426) is fixedly connected to the other end of the screw rod (424).

9. The pin welding device of an electronic component according to claim 1, characterized in that: A purification mechanism (51) is also provided on the top of the workbench (1). The purification mechanism (51) comprises an air suction pump (511), an air suction head (512), and a delivery pipe (513). The air suction pump (511) is fixedly mounted on the top of the screw slider (425), the air suction head (512) is fixedly mounted on the bottom of the screw slider (425) and is connected to the air suction pump (511), and one end of the delivery pipe (513) is fixedly connected to the air suction pump (511).

10. The pin welding device of an electronic component according to claim 9, characterized in that: The purification mechanism (51) further comprises a mounting plate (514) and a purification box (515); the mounting plate (514) is fixedly mounted on the back of the workbench (1); the purification box (515) is fixedly mounted on the mounting plate (514); and the purification box (515) is fixedly connected to the other end of the delivery pipe (513).

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