Computer peripheral equipment circuit board welding machine

Abstract

The invention relates to the technical field of welding, in particular to a computer peripheral equipment circuit board welding machine which is characterized in that a soldering iron is arranged at the bottom of a welding gun, a heat shield wraps the soldering iron, the top of the heat shield is connected to the bottom of the welding gun in a threaded and screwed mode, and a movable sleeve penetrates through the exterior of the soldering iron; the outer portion of the movable sleeve is located in the heat insulation cover, a plurality of thread shifting rods are rotationally connected to the periphery of the outer portion of the heat insulation cover, the top ends of the thread shifting rods are rotationally connected to the outer portion of the movable sleeve, and the top of the movable sleeve is connected with sliding blocks through three push rods. According to the design, a pressing rod is pushed to drive a limiting rod to relieve limiting of a limiting block, a first spring pushes a movable sleeve to slide downwards through a sliding block and other parts, at the moment, a plurality of wire shifting rods swing upwards around the outer portion of a heat insulation cover and can push multiple sets of wires or signal wires aside, and the pseudo soldering or solder skipping position of a circuit board can be exposed conveniently; therefore, the driving mode of the design simultaneously solves the problem of labor force and reduces the maintenance cost.

Description

Technical Field

[0001] The invention relates to a computer peripheral device circuit board welding machine, in particular to a computer peripheral device circuit board welding machine, belonging to the technical field of welding. Background Art

[0002] The power supply in the computer case is the power supply unit (PSU), which is one of the core components of the computer. The power supply unit is responsible for converting AC power into DC power required by the components inside the computer. The power supply is connected to key components such as the motherboard, processor, storage device, graphics card and cooling system through multiple sets of wires or signal lines to ensure that they have a stable and sufficient power supply. Therefore, the computer can be operated.

[0003] According to market demand, manufacturers will use some relatively small cases for installation. The small cases lack some wire cards for fixing power lines or signal lines. Generally, wires are managed by bundling them tightly, but the bundled wires or signal lines will be located on the top of the motherboard. After the case is assembled, the manufacturer will use professional equipment to detect whether there are any cold solder joints or leaking solder joints on the entire computer. When repairing the positions of the leaking solder joints or cold solder joints on the motherboard, two workers are required to assist in completing the repairing operation. The first worker needs to manually remove the wires on the top of the motherboard to expose the cold solder joints or leaking solder joints, and the other worker needs to hold a welding gun to repair the exposed cold solder joints or leaking solder joints. Therefore, this working method not only increases labor but also increases maintenance costs. Therefore, it is urgent to propose a computer peripheral circuit board welding machine to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a computer peripheral circuit board welding machine, which pushes the pressing rod to drive the limit rod to release the limit of the limit block, and the first spring pushes the movable sleeve to slide downward through parts such as a slider. At this time, multiple wire-pushing rods swing upward around the outside of the heat insulation cover to pull apart multiple groups of wires or signal lines, making it convenient to expose the positions of the circuit board with cold soldering or leaking soldering. Therefore, the driving method of this design solves the labor problem and reduces maintenance costs.

[0005] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the present invention includes: a computer peripheral circuit board welding machine, comprising a soldering iron arranged at the bottom of a welding gun, the outside of the soldering iron is wrapped with a heat insulation cover, the top of the heat insulation cover is threadedly screwed and connected to the bottom of the welding gun, a movable sleeve is passed through the outside of the soldering iron, the outside of the movable sleeve is located inside the heat insulation cover, a plurality of wire-drifting rods are rotatably connected to the outside of the heat insulation cover, the tops of the plurality of wire-drifting rods are rotatably connected to the outside of the movable sleeve, the top of the movable sleeve is respectively connected to sliders through three push rods, a sliding sleeve is arranged on the outside of the slider, the inside of the sliding sleeve is slidably connected to the outside of the welding gun, three second slide grooves are provided on the outside of the welding gun, and the inside of the second slide grooves The cam is rotatably connected to the outside of the push rod, and a limit block is arranged inside the sliding sleeve. The outside of the welding gun is slidably connected to the outside of the limit block through a groove. The inside of the welding gun is connected with a pressing rod through a limit groove, and the outside of the pressing rod is covered with a second spring. The right end of the pressing rod is provided with a limit rod, and the bottom end of the limit rod is penetrated and located inside the limit block. A first sliding groove is opened inside each of the plurality of wire-pulling rods, and the bottom end of the inner wall of the first sliding groove is rotatably connected with a shift rod through a first connecting column. The shift rod is rotatably connected to two connecting rods through a second connecting column, and the top of the connecting rod is fixedly connected to the bottom end of the welding gun, and a through groove is opened at the top of the welding gun, a screw rod is placed inside the through groove, and the top of the screw rod is rotatably connected to the first fixed plate.

[0006] Preferably, a symmetrical sliding rod is provided inside the second sliding groove, and the sliding rod passes through and is located inside the sliding block. A symmetrical hidden groove is opened on the top of the second sliding groove, and the top of the sliding rod extends into the hidden groove. The inside of the hidden groove passes through the first spring and is located outside the sliding rod, and the bottom end of the first spring is against the top of the sliding block.

[0007] Preferably, the top of the limit block is an inclined surface, and a limit hole is provided on the surface of the inclined surface, the bottom end of the limit rod is inserted into the limit hole, the left end of the pressing rod extends to the outside of the welding gun, and the outside of the left end of the pressing rod is threadedly connected to the outside of the welding gun through an external thread ring.

[0008] Preferably, the bottom end of the pipe is inclined at the bottom end of the welding gun, the top of the pipe is penetrated and located inside the first fixed plate, the outside of the screw rod is connected to a threaded plate by a threaded engagement, the right end of the threaded plate is slidably connected to the inside of the pipe, and a third sliding groove is provided at the bottom of the threaded plate.

[0009] Preferably, a small gear and a large gear are placed on the top of the first fixed plate through placement grooves, the outside of the large gear is meshed with the outside of the small gear, the inside of the large gear is fixedly connected to the top of the screw rod, and a micro motor is fixedly connected to the top of the first fixed plate, and the drive shaft of the micro motor is inserted into the inside of the small gear.

[0010] Preferably, the bottom of the screw rod is rotatably connected to a second fixing plate, and the inner package of the second fixing plate is located at the bottom end of the pipe.

[0011] Preferably, the inside of the third slide groove is slidably connected to a push plate via a stabilizing rod, the outside of the stabilizing rod is pressed against the left side of the push plate by a third spring, the left side of the push plate is fixedly connected to a clamping block via a fixing rod, the clamping block is located inside the threaded plate, a fourth slide groove is provided on the outside of the pipe, and the right side of the threaded plate is slidably connected and located inside the fourth slide groove.

[0012] Preferably, the power supply wire at the input end of the micromotor is connected to a control switch, the input end of the control switch is connected to an external power supply, the control switch is embedded on the outside of the welding gun, a protective cover is provided on the top of the first fixed plate, and the micromotor, large gear and small gear are located inside the protective cover.

[0013] The present invention has at least the following beneficial effects: pushing the pressing rod drives the limiting rod to release the limiting of the limiting block, the first spring drives the sliding block to drive the push rod to slide inside the second sliding groove, and the sliding push rod can push the movable sleeve to slide along the inside of the heat insulation cover, and at this time the movable sleeve can carry multiple wire-pushing rods to swing upward around the outside of the heat insulation cover, so the wire-pushing rod can push apart multiple groups of wires or signal lines, which is helpful to expose the positions of the circuit board's false soldering or leaking soldering, and the wire-pushing rod can swing upward along the outside of the connecting rod through the first sliding groove, and at this time the lever connected by the first connecting column can slide inside the first sliding groove, and the top of the lever can be swung upward at the bottom of the connecting rod through the second connecting column, and the swinging lever can fix multiple groups of wires or signal lines to prevent the wires or signal lines from contacting the soldering iron and causing burns. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the welding gun of the present invention;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the welding gun of the present invention;

[0017] Figure 3 It is a schematic diagram of the overall structure of the wire-pushing rod of the present invention;

[0018] Figure 4 It is a schematic diagram of the internal structure of the sliding sleeve of the present invention;

[0019] Figure 5 It is a schematic diagram of the internal structure of the wire-pulling rod of the present invention;

[0020] Figure 6 For the present invention Figure 1 A schematic diagram of;

[0021] Figure 7 For the present invention Figure 2 Schematic diagram of B;

[0022] Figure 8 For the present invention Figure 5 Schematic diagram of C;

[0023] Fig. 9 For the present invention Figure 1 Schematic diagram of D;

[0024] Fig.10 For the present invention Figure 1 Schematic diagram of F;

[0025] Fig.11 It is a schematic diagram of the top structure of the first fixing plate of the present invention;

[0026] Fig.12 It is a schematic diagram of the pipeline bottom structure of the present invention.

[0027] In the figure, 1, welding gun; 101, sliding sleeve; 102, sliding block; 103, sliding rod; 104, first spring; 105, push rod; 106, moving sleeve; 107, wire lever; 108, first slide groove; 109, lever; 110, connecting rod; 111, first connecting column; 112, second connecting column; 113, groove; 114, second slide groove; 115, external thread ring; 116, pressing rod; 117, limit block; 118, limit hole ; 119, limit groove; 200, second spring; 201, limit rod; 2, heat insulation cover; 3, soldering iron; 4, through groove; 5, pipeline; 6, first fixed plate; 7, protective cover; 8, screw rod; 9, placement groove; 10, micro motor; 11, small gear; 12, large gear; 13, threaded plate; 14, third slide groove; 15, stabilizing rod; 16, third spring; 17, push plate; 18, clamping block; 19, second fixed plate; 20, control switch. DETAILED DESCRIPTION

[0028] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0029] like Figure 1 , Fig.12 As shown, a computer peripheral circuit board welding machine provided in this embodiment includes a welding gun 1 with a soldering iron 3 arranged at the bottom, the soldering iron 3 is wrapped with a heat insulation cover 2 on the outside, the heat insulation cover 2 is threadedly screwed on the top and is located at the bottom of the welding gun 1, a movable sleeve 106 is passed through the outside of the soldering iron 3, the outside of the movable sleeve 106 is located inside the heat insulation cover 2, a plurality of wire-dial rods 107 are rotatably connected to the outside of the heat insulation cover 2, the tops of the plurality of wire-dial rods 107 are rotatably connected to the outside of the movable sleeve 106, the top of the movable sleeve 106 is respectively connected to sliders 102 through three push rods 105, the outside of the slider 102 is provided with a sliding sleeve 101, the inside of the sliding sleeve 101 is slidably connected to the outside of the welding gun 1, the outside of the welding gun 1 is provided with three second sliding grooves 114, the inside of the second sliding grooves 114 is slidably connected to the outside of the push rods 105, and the sliding sleeve 101 is A limiting block 117 is arranged inside, and the outside of the welding gun 1 is slidably connected to the outside of the limiting block 117 through a groove 113. The inside of the welding gun 1 is connected with a pressing rod 116 through a limiting groove 119, and a second spring 200 is sleeved on the outside of the pressing rod 116. A limiting rod 201 is arranged at the right end of the pressing rod 116, and the bottom end of the limiting rod 201 passes through the inside of the limiting block 117. A first sliding groove 108 is arranged inside each of the plurality of wire-shifting rods 107, and a shifting rod 109 is rotatably connected to the bottom end of the inner wall of the first sliding groove 108 through a first connecting column 111. The shifting rod 109 is rotatably connected to two connecting rods 110 through a second connecting column 112, and the top of the connecting rod 110 is fixedly connected to the bottom end of the welding gun 1. A through groove 4 is arranged at the top of the welding gun 1, and a screw rod 8 is placed inside the through groove 4. The top of the screw rod 8 is rotatably connected to a first fixed plate 6.

[0030] Furthermore, a symmetrical slide bar 103 is arranged inside the second slide groove 114, and the slide bar 103 penetrates inside the slider 102. A symmetrical hidden groove is opened at the top of the second slide groove 114, and the top of the slide bar 103 extends into the hidden groove. The inside of the hidden groove penetrates outside the slide bar 103 through the first spring 104, and the bottom end of the first spring 104 abuts against the top of the slider 102.

[0031] The top of the limit block 117 is an inclined surface, and a limit hole 118 is provided on the surface of the inclined surface. The bottom end of the limit rod 201 is inserted into the limit hole 118. The left end of the pressing rod 116 extends to the outside of the welding gun 1. The left end of the pressing rod 116 is screwed and connected to the outside of the welding gun 1 through the external thread ring 115.

[0032] The pressing rod 116 is pressed and moved to the inside of the limiting groove 119. At this time, the limiting rod 201 will move out of the limiting hole 118 to release the limiting block 117. Therefore, the first spring 104 in the hidden groove will push the sliding sleeve 101 to slide outside the welding gun 1. At this time, the bottom end of the limiting rod 201 moves upward along the inclined surface of the limiting block 117, and the outside of the pressing rod 116 is reset by the second spring 200. After the reset, the pressing rod 116 is prevented from being separated from the limiting groove 119 by the external thread ring 115, which is conducive to the sliding sleeve 101 passing through the slider 10 2 drives the push rod 105 to slide in the second slide groove 114. The sliding of the push rod 105 can drive the movable sleeve 106 to move down along the inner wall of the heat insulation cover 2. Since the outer part of the heat insulation cover 2 is rotatably connected with a plurality of wire-pushing rods 107, the tops of the plurality of wire-pushing rods 107 are rotatably connected to the outer part of the movable sleeve 106. When the movable sleeve 106 moves down, the wire-pushing rods 107 swing along the outer part of the heat insulation cover 2. The swinging wire-pushing rods 107 can pull apart the wires or signal wires on the top of the circuit board in the computer case, thereby exposing the solder joints of the circuit board with false soldering or leaking soldering.

[0033] Furthermore, the bottom end of the pipe 5 is inclined at the bottom end of the welding gun 1, the top of the pipe 5 is penetrated inside the first fixing plate 6, the outside of the screw rod 8 is screwed with a threaded plate 13, the right end of the threaded plate 13 is slidably connected to the inside of the pipe 5, and a third slide groove 14 is provided at the bottom of the threaded plate 13;

[0034] Furthermore, the inside of the third slide groove 14 is slidably connected with a push plate 17 through a stabilizing rod 15, the outside of the stabilizing rod 15 is pressed against the left side of the push plate 17 through a third spring 16, the left side of the push plate 17 is fixedly connected with a clamping block 18 through a fixing rod, the clamping block 18 is located inside the threaded plate 13, a fourth slide groove is opened outside the pipe 5, and the right side of the threaded plate 13 is slidably connected inside the fourth slide groove;

[0035] By passing the solder wire through the inside of the pipe 5, the bottom of the pipe 5 is inclined to the bottom of the soldering iron 3, which is conducive to the bottom end of the solder wire being attached to the heating point of the soldering iron 3. Therefore, the soldering iron 3 is heated to melt the solution of the solder wire to repair the position of the circuit board where the solder is not welded or leaked.

[0036] When the drill is completely penetrated and located inside the pipe 5, the right end of the threaded plate 13 will be wrapped around the outside of the drill wire, and the third spring 16 inside the three-slide groove 14 will push the push plate 17 to slide along the outside of the stabilizing rod 15. The push plate 17 drives the clamping block 18 to clamp and fix the drill wire wrapped by the threaded plate 13 through the fixed rod. The rotation of the screw rod 8 drives the threaded plate 13 to move up and down along the inside of the penetration groove 4.

[0037] Furthermore, a pinion 11 and a large gear 12 are respectively placed on the top of the first fixed plate 6 through a placement groove 9, the outside of the large gear 12 is meshed with the outside of the pinion 11, and the inside of the large gear 12 is fixedly connected to the top of the screw rod 8. A micro motor 10 is fixedly connected to the top of the first fixed plate 6, and the drive shaft of the micro motor 10 is inserted and located inside the pinion 11. The power supply wire at the input end of the micro motor 10 is connected to a control switch 20, and the input end of the control switch 20 is connected to an external power supply. The control switch 20 is embedded in the outside of the welding gun 1, and a protective cover 7 is provided on the top of the first fixed plate 6. The micro motor 10, the large gear 12 and the pinion 11 are located inside the protective cover 7;

[0038] The bottom of the screw rod 8 is rotatably connected to a second fixing plate 19, and the interior of the second fixing plate 19 is wrapped around the bottom end of the pipe 5;

[0039] After the supporting block has finished supporting the welding wire, the micro motor 10 on the top of the first fixed plate 6 is started by pressing the control switch 20 outside the welding gun 1, and the large gear 12 is driven by the small gear 11 to drive the screw rod 8 to rotate at the bottom of the first fixed plate 6 and the top of the second fixed plate 19. Therefore, the rotating screw rod 8 drives the threaded plate 13 to move along the inside of the through groove 4 to the top of the second fixed plate 19. The moved threaded plate 13 can drive the welding wire to move along the inside of the pipe 5, which is beneficial to the welding wire feeding operation. Since the transmission ratio of the large gear 12 and the small gear 11 is different, the rotation speed of the large gear 12 is not too fast at this time, and at the same time, it prevents excessive melting of the welding wire due to excessive wire feeding.

[0040] like Figure 1 , Fig.12As shown, the principle of a computer peripheral circuit board welding machine provided in this embodiment is as follows: when repairing the position of the circuit board in the narrow space of the computer with a cold solder joint or a leaky solder joint, firstly, the bottom of the welding gun 1 is located at the position of the circuit board to be repaired. At this time, the multiple wire-pushing rods 107 rotatably connected to the outside of the welding gun 1 through the heat insulation cover 2 penetrate the inside of multiple groups of wires or signal lines, so that the multiple groups of wires or signal lines will be located outside the multiple wire-pushing rods 107. At this time, the pressing rod 116 is pushed to drive the limiting rod 201 to move into the limiting groove 119, and the limiting rod 201 will be disengaged. The limit of the limit block 117 is released from the limit hole 118. After the limit block 117 is released, the first spring 104 pushes the slider 102 to drive the push rod 105 to slide in the second slide groove 114. The sliding push rod 105 can push the movable sleeve 106 to slide along the inside of the heat insulation cover 2, and then the movable sleeve 106 can drive multiple wire-pushing rods 107 to swing upward along the outside of the heat insulation cover 2. The swinging wire-pushing rods 107 can pull apart multiple groups of wires or signal lines. At this time, the position of the circuit board with false soldering or leaking soldering will be exposed, and the swinging wire-pushing rods The first connecting rod 110 is connected to the first connecting rod 111 and the first connecting rod 111 is connected to the first connecting rod 111. The first connecting rod 1 ... The inclined surface of the part slides downward, and the sliding limit rod 201 will be inserted into the limiting hole 118 to limit the limiting block 117. The sliding sleeve 101 moves up and drives the slider 102 and other parts to drive multiple wire-moving rods 107 to reset. The reset wire-moving rods 107 can drive the lever 109 to reset, so that the lever 109 can release the fixation of multiple groups of wires or signal lines. This driving method is convenient for exposing the position of the circuit board's cold soldering or leaking soldering, so it can solve the problem of manually pulling out the wires or signal lines, while solving the labor problem and reducing maintenance costs.

[0041] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A computer peripheral device circuit board welding machine, comprising a welding gun (1) with a soldering iron (3) arranged at the bottom, the soldering iron (3) being wrapped with a heat insulation cover (2) on the outside, the top of the heat insulation cover (2) being screwed and connected to the bottom of the welding gun (1), wherein: a movable sleeve (106) is passed through the outside of the soldering iron (3), the outside of the movable sleeve (106) is located inside the heat insulation cover (2), a plurality of wire-pushing rods (107) are rotatably connected to the outside of the movable sleeve (106) respectively around the outside of the heat insulation cover (2), and the top ends of the plurality of wire-pushing rods (107) are all rotatably connected to the outside of the movable sleeve (106); The top of the movable sleeve (106) is respectively connected to the slider (102) through three push rods (105); the outside of the slider (102) is provided with a sliding sleeve (101); the inside of the sliding sleeve (101) is slidably connected to the outside of the welding gun (1); the outside of the welding gun (1) is provided with three second sliding grooves (114); the inside of the second sliding grooves (114) is slidably connected to the outside of the push rod (105); a limiting block (117) is provided inside the sliding sleeve (101); the outside of the welding gun (1) is slidably connected to the outside of the limiting block (117) through a groove (113); The interior of the welding gun (1) is connected to a pressing rod (116) via a limiting groove (119); the exterior of the pressing rod (116) is sleeved with a second spring (200); a limiting rod (201) is provided at the right end of the pressing rod (116); the bottom end of the limiting rod (201) penetrates and is located inside the limiting block (117); A first slide groove (108) is provided inside each of the plurality of wire-pushing rods (107); the bottom end of the inner wall of the first slide groove (108) is rotatably connected to a lever (109) via a first connecting column (111); the lever (109) is rotatably connected to two connecting rods (110) via a second connecting column (112); the top end of the connecting rod (110) is fixedly connected to the bottom end of the welding gun (1); A through slot (4) is provided on the top of the welding gun (1), a screw rod (8) is placed inside the through slot (4), and a first fixing plate (6) is rotatably connected to the top of the screw rod (8).

2. A computer peripheral circuit board welding machine according to claim 1, characterized in that: a symmetrical sliding rod (103) is arranged inside the second sliding groove (114), and the sliding rod (103) passes through the inside of the sliding block (102); a symmetrical hidden groove is opened on the top of the second sliding groove (114), and the top of the sliding rod (103) extends into the inside of the hidden groove, and the inside of the hidden groove passes through the outside of the sliding rod (103) through the first spring (104), and the bottom end of the first spring (104) is against the top of the sliding block (102).

3. A computer peripheral circuit board welding machine according to claim 1, characterized in that: the top of the limit block (117) is an inclined surface, and a limit hole (118) is provided on the surface of the inclined surface, the bottom end of the limit rod (201) is inserted into the limit hole (118), the left end of the pressing rod (116) extends to the outside of the welding gun (1), and the outside of the left end of the pressing rod (116) is threadedly connected to the outside of the welding gun (1) through an external thread ring (115).

4. A computer peripheral circuit board welding machine according to claim 1, characterized in that: the bottom end of the pipe (5) is inclined at the bottom end of the welding gun (1), the top of the pipe (5) is penetrated and located inside the first fixed plate (6), the outside of the screw rod (8) is connected to a threaded plate (13) by a threaded engagement, the right end of the threaded plate (13) is slidably connected to the inside of the pipe (5), and a third slide groove (14) is provided at the bottom of the threaded plate (13).

5. A computer peripheral device circuit board welding machine according to claim 1, characterized in that: A small gear (11) and a large gear (12) are respectively placed on the top of the first fixed plate (6) through a placement groove (9); the outside of the large gear (12) is meshed with the outside of the small gear (11); the inside of the large gear (12) is fixedly connected to the top of the screw rod (8); a micro motor (10) is fixedly connected to the top of the first fixed plate (6); and the drive shaft of the micro motor (10) is inserted into the inside of the small gear (11).

6. A computer peripheral circuit board welding machine according to claim 1, characterized in that: the bottom of the screw rod (8) is rotatably connected to a second fixing plate (19), and the interior of the second fixing plate (19) is wrapped around the bottom end of the pipe (5).

7. A computer peripheral circuit board welding machine according to claim 4, characterized in that: the inside of the third slide groove (14) is slidably connected to a push plate (17) through a stabilizing rod (15), the outside of the stabilizing rod (15) is pressed against the left side of the push plate (17) through a third spring (16), the left side of the push plate (17) is fixedly connected to a clamping block (18) through a fixing rod, the clamping block (18) is located inside the threaded plate (13), a fourth slide groove is opened on the outside of the pipe (5), and the right side of the threaded plate (13) is slidably connected to the inside of the fourth slide groove.

8. A computer peripheral circuit board welding machine according to claim 5, characterized in that: the power supply wire at the input end of the micro motor (10) is connected to a control switch (20), the input end of the control switch (20) is connected to an external power supply, the control switch (20) is embedded on the outside of the welding gun (1), a protective cover (7) is provided on the top of the first fixing plate (6), and the micro motor (10), the large gear (12) and the small gear (11) are located inside the protective cover (7).

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