CN116652485A - Welding robot for welding precise electronic instrument - Google Patents

Abstract

The invention discloses a welding robot for welding precise electronic instruments, which relates to the technical field of welding equipment and comprises a bottom plate and further comprises: the detection mechanism arranged on one side of the bottom plate comprises a bearing rod which is arranged on one side of the bottom plate in a sliding manner, the two sides of the bearing rod are respectively and fixedly connected with an accumulation barrel and a pressure transmission barrel, an accumulation arm is fixedly connected with the end part of the bearing rod, an induction block is arranged in the pressure transmission barrel in a sliding manner, a transmission assembly is arranged on one side of the bottom plate, a rubber ring is used for locally sealing a welding line, the accumulation arm drives the accumulation block to move downwards through the accumulation rod, the pressure in the accumulation barrel is increased, the pressure is transmitted into a communication shell through a communication pipe, when the welding line is completely sealed, the pressure is transmitted into the pressure transmission barrel, the induction rod in the pressure transmission barrel moves, under the action of a reset block, the accumulation assembly is driven to move, the discharging is realized, when the welding line has a gap, the pressure is released, the induction rod is not stood, a welding part is conveyed to a welding position by a feeding disc, and the welding part is welded again, and detection and screening of the welding part are realized.

Description

A welding robot for precision electronic equipment welding

technical field

The invention relates to the technical field of welding equipment, in particular to a welding robot for precision electronic equipment welding.

Background technique

The welding process has been widely used in the mechanical and electronic industries. At present, in the mechanical and electronic industries, welding robots are used to precisely weld precision parts to ensure the accuracy of welding, which in turn makes the welding quality higher. Efficient use of electronic equipment.

Traditional welding robots generally can only perform relatively simple welding operations. In actual welding, there may be incomplete welding, resulting in gaps at the weld seam. In this case, if you continue to use it, it may affect the quality of the finished product , and then the traditional welding device cannot detect and screen the welded parts during welding, and the practicability is not high.

Contents of the invention

The present invention provides a welding robot for precision electronic equipment welding, which solves the above-mentioned problems in the background technology.

To achieve the above object, the present invention provides the following technical solutions:

A welding robot for precision electronic equipment welding, including a bottom plate, and also includes:

The supporting plate fixedly arranged on one side of the bottom plate, the mechanical arm is slidably arranged at one end of the supporting plate; the welding mechanism arranged on one side of the supporting plate includes a rotating column, and the rotating column is rotated and installed on the supporting plate, and one side of the rotating column is fixedly arranged The feeding tray, the side wall of the feeding tray is fixed with an installation shell, one side of the installation shell is provided with a clamping assembly, the side wall of the installation shell is provided with a gas storage assembly, one end of the mechanical arm is provided with a welding assembly, and one side of the support plate is fixedly connected to the electric motor. A telescopic rod, one end of the electric telescopic rod is fixedly connected to the mechanical arm, and a driving component is arranged on one side of the support plate, which is used to drive the feeding tray to rotate and feed;

The detection mechanism arranged on one side of the bottom plate includes a bearing rod slidingly arranged on one side of the support plate. The two sides of the bearing rod are fixedly connected to the pressure storage cylinder and the pressure transmission cylinder respectively, and the installation beam is fixedly connected between the pressure transmission cylinder and the pressure storage cylinder. One end of the installation beam slides through and sets an air guide tube, and there are multiple air guide tubes, and the end of the air guide tube is fixedly connected to a rubber ring, and one end of the air guide tube on one side of the rubber ring is sleeved with a reset piece, and one side of the installation beam is provided with a communicating shell, The two sides of the connecting shell are respectively fixedly connected with the pressure storage cylinder and the pressure transmission cylinder, the inner wall of the connecting shell is fixedly connected with the sealing ring, the air guiding tube extends into the connecting shell and is set through the sealing ring, the air guiding tube and the connecting shell Sliding connection, a pressure storage block is slidably installed in the pressure storage cylinder, one end of the pressure storage block is fixedly connected to the pressure storage rod, one end of the pressure storage rod extends to the outside of the pressure storage cylinder, and the end is fixedly connected to the pressure storage arm, the pressure transmission cylinder An induction block is installed slidingly inside, one end of the induction block is fixedly connected to the induction rod, one end of the induction rod extends to the outside of the pressure transmission cylinder, and a reset block is fixed on the side wall, one end of the induction rod is provided with a discharge assembly, and one side of the support plate is provided with a transmission Assemblies, one side of the pressure accumulator and the pressure transmission cylinder are fixedly connected to the communication pipe, and one end of the communication pipe is fixedly connected to the communication shell, and the interior is connected. When the welding is in progress, the transmission component drives the load rod to move, and the rubber ring and the pressure storage arm are connected to the When the welded parts are in contact, the rubber ring partially seals the weld seam. The pressure storage arm drives the pressure storage block to move down through the pressure storage rod, and the pressure in the pressure storage cylinder increases. Through the connecting pipe, the pressure is transmitted into the connecting shell. When the weld is completely When it is sealed, the pressure is transmitted into the pressure transmission cylinder, and the sensing rod in the pressure transmission cylinder moves. Under the action of the reset block, the gas storage component is driven to move to realize discharging. When there is a gap in the weld, the pressure is released and the induction rod moves. The rod stands still, and the welded parts are transported to the welding position by the feeding tray, and welded again to realize the detection and screening of the welded parts.

As a preferred technical solution of the present invention, the clamping assembly includes a telescopic piece fixed on one side of the installation shell, one side of the telescopic piece is fixedly connected to the piston arm, the piston arm is a T-shaped structure, and one end of the piston arm extends to the outside of the installation case, and the end is fixedly connected to the clamping block, and the piston arm is slidably connected to the installation case.

As a preferred technical solution of the present invention, the gas storage assembly includes a fixed column fixedly arranged on the side wall of the installation shell, the end of the fixed column is fixedly connected to the sealing block, and the outer side of the sealing block is slidingly provided with a pressure storage cylinder, and the pressure storage cylinder is connected with the installation The telescopic tubes are fixedly connected between the shells.

As a preferred technical solution of the present invention, one side of the pressure storage cylinder is fixedly connected to a fixed arm, and one end of the fixed arm slides through a limit column, and one end of the limit column is fixedly sleeved with a limit ring, and the limit ring on one side One end of the positioning column is sleeved with a compression piece, and the side wall of the fixed column on one side of the limiting column is provided with a limiting groove.

As a preferred technical solution of the present invention, the welding assembly includes a transmission wheel that is rotatably arranged on one side of the mechanical arm, the end of the mechanical arm on the transmission wheel side is fixedly connected to the welding motor, and the output shaft of the welding motor is connected to the rotating shaft of the transmission wheel. One end is fixedly connected, one side of the transmission wheel is hinged to a linkage arm, one end of the linkage arm is hinged to a movable block, the movable block is slidingly connected to the mechanical arm, and one end of the movable block is provided with a welding arm, which is a telescopic welding device.

As a preferred technical solution of the present invention, the drive assembly includes a positioning block fixedly arranged on one side of the support plate, a driving motor is fixedly arranged on one side of the positioning block, a driving column is fixedly arranged at one end of the output shaft of the driving motor, and one end of the driving column is fixed An incomplete bevel gear is provided, and a transmission bevel gear is provided on one side of the incomplete bevel gear. The rotating shaft of the transmission bevel gear passes through the support plate, and the end is fixedly connected with the rotating column. The incomplete bevel gear is meshed and transmission connected with the transmission bevel gear.

As a preferred technical solution of the present invention, the transmission assembly includes a drive plate fixedly arranged at the bottom of the drive column, one end of the drive plate is fixedly connected to a fixed shaft, one end of the fixed shaft is hinged to the transmission arm, and one end of the support plate on one side of the transmission arm slides through Set the piston rod.

As a preferred technical solution of the present invention, one end of the transmission arm is hingedly connected to the piston rod, one end of the piston rod is hinged to the transmission rod, and the end of the transmission rod is hinged to the bearing rod.

As a preferred technical solution of the present invention, the unloading assembly includes a push rod that slides through one end of the induction rod. The push rod is an I-shaped structure. Turn the connecting roller, and the side wall of the support plate on the side of the roller is fixedly connected to the trapezoidal block. When the sensing rod drives the push rod down, the roller at one end of the push rod contacts the trapezoidal block, and the push rod moves to one side, which can drive and push the material to move. Realize unloading.

The present invention has the following advantages: under the action of the drive plate, the bearing rod moves up and down, the rubber ring contacts the pressure storage arm with the weldment, the rubber ring partially seals the welding seam, and the pressure storage arm drives the pressure storage through the pressure storage rod When the block moves down, the pressure in the pressure storage cylinder increases, and through the connecting pipe, the pressure is transmitted into the connecting shell. When the weld seam is completely sealed, the pressure is transmitted into the pressure transmission cylinder, and the sensing rod in the pressure transmission cylinder moves. Under the action of the block, the gas storage component is driven to move, and the material is discharged. When there is a gap in the weld, the pressure is released, the induction rod is still, the welded part is transported to the welding position by the feeding plate, and welded again. The device not only realizes the detection of the welding integrity of the welding workpiece, but also actively separates the qualified and unqualified objects, and re-welds the unqualified materials to ensure that the quality of the welded objects is at a qualified level and the welding pass rate At the same time, the welding operation efficiency is high and the practicability is stronger.

Description of drawings

Fig. 1 is a structural schematic diagram of a welding robot main body for precision electronic instrument welding.

Fig. 2 is a structural schematic diagram of a detection mechanism in a welding robot for precision electronic equipment welding.

FIG. 3 is a schematic diagram of an enlarged structure of A in FIG. 1 .

Fig. 4 is a structural schematic diagram of a feeding tray in a welding robot for precision electronic equipment welding.

In the figure: 1, bottom plate; 2, supporting plate; 3, rotating column; 4, feeding plate; 5, driving plate; 6, trapezoidal block; 7, driving column; 8, transmission arm; 9, fixed shaft; 10, piston Rod; 11, transmission rod; 12, load rod; 13, incomplete bevel gear; 14, transmission bevel gear; 15, positioning block; 16, drive motor; 17, electric telescopic rod; 18, mechanical arm; 19, transmission wheel 20, linkage arm; 21, movable block; 22, welding arm; 23, clamping block; 24, pressure storage cylinder; 25, pressure storage block; 26, pressure storage rod; 27, pressure storage arm; 28, rubber ring ;29, reset part; 30, installation beam; 31, sealing ring; 32, air guide pipe; 33, limit groove; 34, limit column; 35, connecting pipe; 36, connecting shell; 37, pressure transmission cylinder; 38 , induction block; 39, elastic piece; 40, roller; 41, push rod; 42, support piece; 43, reset block; 44, induction rod; 45, pressure storage cylinder; 46, telescopic tube; 47, installation shell; 48 , expansion part; 49, piston arm; 50, sealing block; 51, fixed arm; 52, compression part; 53, limit ring; 54, fixed column; 55, welding mechanism; 56, detection mechanism; ; 58, welding assembly; 59, gas storage assembly; 60, driving assembly; 61, unloading assembly; 62, transmission assembly.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

Example 1

Please refer to Figures 1-4, a welding robot for precision electronic equipment welding, including a base plate 1, and also includes: a support plate 2 fixedly arranged on one side of the base plate 1, and a mechanical arm 18 is slidably arranged at one end of the support plate 2; 2. The welding mechanism 55 on one side includes a rotating column 3, which is installed on the support plate 2 through rotation. One side of the shell 47 is provided with a clamping assembly 57, the side wall of the installation shell 47 is provided with an air storage assembly 59, one end of the mechanical arm 18 is provided with a welding assembly 58, one side of the support plate 2 is fixedly connected to the electric telescopic rod 17, and the electric telescopic One end of the rod 17 is fixedly connected to the mechanical arm 18, and a drive assembly 60 is arranged on one side of the support plate 2 for driving the feeding tray 4 to rotate and feed;

The detection mechanism 56 arranged on one side of the bottom plate 1 includes a bearing rod 12 slidably arranged on one side of the support plate 2. The two sides of the bearing rod 12 are respectively fixedly connected to the pressure accumulator cylinder 24 and the pressure transmission cylinder 37, and the pressure transmission cylinder 37 is connected to the pressure accumulation cylinder. The installation beams 30 are fixedly connected between the cylinders 24, and one end of the installation beams 30 slides through to set an air guide tube 32. There are multiple air guide tubes 32, and the ends of the air guide tubes 32 are fixedly connected to the rubber ring 28, and the air guide tube on one side of the rubber ring 28 One end of 32 is sleeved with reset member 29, and one side of the installation beam 30 is provided with a communication shell 36, and the two sides of the communication shell 36 are respectively fixedly connected with the pressure accumulator cylinder 24 and the pressure transmission cylinder 37, and the inner wall of the communication shell 36 is fixedly connected with the sealing ring 31 , the air guide tube 32 extends into the communication shell 36 and is arranged through the sealing ring 31, the air guide tube 32 is slidably connected with the communication shell 36, and the pressure accumulation block 25 is slidably arranged in the pressure accumulation cylinder 24, and the pressure accumulation block One end of 25 is fixedly connected to the pressure storage rod 26, one end of the pressure storage rod 26 extends to the outside of the pressure storage cylinder 24, and the end is fixedly connected to the pressure storage arm 27, and an induction block 38 is slid inside the pressure transmission cylinder 37, and one end of the induction block 38 is fixed Connect the induction rod 44, the elastic member 39 is sleeved on the induction rod 44, one end of the induction rod 44 extends to the outside of the pressure transmission cylinder 37, and the side wall is fixedly provided with a reset block 43, and one end of the induction rod 44 is provided with a discharge assembly 61, the One side of the support plate 2 is provided with a transmission assembly 62, and one side of the pressure accumulator 24 and the pressure transmission cylinder 37 are fixedly connected to the communication pipe 35, and one end of the communication pipe 35 is fixedly connected to the communication shell 36, and the inside is connected. When welding is in progress, the transmission The component 62 drives the bearing rod 12 to move, the rubber ring 28 and the pressure storage arm 27 are in contact with the weldment, the rubber ring 28 partially seals the weld seam, the pressure storage arm 27 drives the pressure storage block 25 to move down through the pressure storage rod 26, and the pressure storage The pressure in the cylinder 24 increases, through the connecting pipe 35, the pressure is transmitted into the connecting shell 36, when the weld seam is completely sealed, the pressure is transmitted into the pressure transmitting cylinder 37, the sensing rod 44 in the pressure transmitting cylinder 37 moves, and resets Under the action of the block 43, the gas storage assembly 59 is driven to move to realize discharging. When there is a gap in the welding seam, the pressure is released, and the induction rod 44 stands still, and the welded part is transported to the welding position by the feeding tray 4, and then welded again. Realize the detection and screening of welded parts.

Example 2

Please refer to Figures 1-4, the other contents of this embodiment are the same as those of Embodiment 1, the difference is that: the clamping assembly 57 includes a telescopic piece 48 fixedly arranged on one side of the installation shell 47, and one side of the telescopic piece 48 The piston arm 49 is fixedly connected, and the piston arm 49 is a T-shaped structure. One end of the piston arm 49 extends to the outside of the installation shell 47, and the end is fixedly connected to the clamping block 23. The piston arm 49 is slidably connected to the installation shell 47. When in use, the workpiece to be welded is placed on the bracket of the clamping block 23, the piston arm 49 is driven to move under the action of the telescopic member 48, and the workpiece is clamped and fixed under the action of the clamping block 23.

The gas storage assembly 59 includes a fixed column 54 fixedly arranged on the side wall of the installation shell 47, the end of the fixed column 54 is fixedly connected to the sealing block 50, and the outer side of the sealing block 50 is slidably provided with the pressure storage cylinder 45, and the pressure storage cylinder 45 and the installation shell 47 The telescopic tube 46 is fixedly connected between them.

One side of the pressure storage cylinder 45 is fixedly connected to the fixed arm 51, and one end of the fixed arm 51 slides through to set a limit column 34, and one end of the limit column 34 is fixedly sleeved with a limit ring 53, and the limit column 34 on one side of the limit ring 53 One end is sleeved with a compression piece 52, and the side wall of the fixed column 54 on the side of the limit column 34 is provided with a limiting groove 33, wherein the compression piece 52 can use a spring or an elastic metal sheet with a stretching property.

Described welding assembly 58 comprises the transmission wheel 19 that is arranged on one side of mechanical arm 18 in rotation, and the end of mechanical arm 18 on transmission wheel 19 side is fixedly connected with welding motor, and the output shaft of welding motor is fixedly connected with one end of the rotating shaft of transmission wheel 19, One side of the transmission wheel 19 is hinged to the linkage arm 20, and one end of the linkage arm 20 is hinged to the movable block 21. The movable block 21 is slidably connected to the mechanical arm 18. One end of the movable block 21 is provided with a welding arm 22, and the welding arm 22 is a telescopic welding The device drives the movable block 21 to reciprocate laterally through the linkage arm 20 under the action of the transmission wheel 19, so as to realize the welding of the workpiece.

The drive assembly 60 includes a positioning block 15 fixedly arranged on one side of the support plate 2, a driving motor 16 is fixedly arranged on one side of the positioning block 15, a driving column 7 is fixedly arranged at one end of the output shaft of the driving motor 16, and a driving column 7 is fixedly arranged at one end of the driving column 7. Complete bevel gear 13, transmission bevel gear 14 is arranged on one side of incomplete bevel gear 13, the rotating shaft of transmission bevel gear 14 passes support plate 2, and end is fixedly connected with rotating column 3, and described incomplete bevel gear 13 and transmission bevel The gear 14 meshes with the transmission connection, the drive motor 16 drives the drive column 7 to rotate, and the incomplete bevel gear 13 and the drive bevel gear 14 drive the feed plate 4 on one side of the rotation column 3 to rotate and feed material intermittently to realize continuous welding.

The transmission assembly 62 includes a drive plate 5 fixedly arranged at the bottom of the drive column 7, one end of the drive plate 5 is fixedly connected to the fixed shaft 9, one end of the fixed shaft 9 is hinged to the transmission arm 8, and one end of the support plate 2 on one side of the transmission arm 8 slides through the set Piston rod 10 , one end of the transmission arm 8 is hingedly connected to the piston rod 10 , one end of the piston rod 10 is hinged to the transmission rod 11 , and the end of the transmission rod 11 is hinged to the bearing rod 12 .

The unloading assembly 61 includes a push rod 41 that slides through one end of the induction rod 44. The push rod 41 is an I-shaped structure. 40, the side wall of the support plate 2 on one side of the roller 40 is fixedly connected to the trapezoidal block 6, when the sensing rod 44 drives the push rod 41 to move down, the roller 40 at one end of the push rod 41 contacts the trapezoidal block 6, and the push rod 41 moves to one side , can drive and push the material to move and realize unloading.

Under the action of the drive plate 5, the bearing rod 12 moves up and down, the rubber ring 28 and the pressure storage arm 27 are in contact with the weldment, the rubber ring 28 partially seals the weld, and the pressure storage arm 27 drives the pressure storage block through the pressure storage rod 26 25 moves downward, the pressure in the pressure storage cylinder 24 increases, and the pressure is transmitted into the communication shell 36 through the connecting pipe 35. When the weld seam is completely sealed, the pressure is transmitted into the pressure transmission cylinder 37, and the induction in the pressure transmission cylinder 37 The rod 44 moves, and under the action of the reset block 43, the gas storage assembly 59 is driven to move to realize discharging. When there is a gap in the welding seam, the pressure is released, the sensing rod 44 stands still, and the welded parts are transported by the feeding tray 4 to Solder a bit, solder again.

Generally speaking, the device not only realizes the detection of the welding integrity of the welding workpiece, but also actively separates the qualified and unqualified objects, and re-welds the unqualified materials to ensure that the quality of the welded objects is at a qualified level , the welding qualification rate is higher, and the welding operation efficiency is high, and the practicability is stronger.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. A welding robot for precision electronic equipment welding, comprising a base plate, characterized in that it also includes: The support plate is set on one side of the bottom plate, and one end of the support plate is slid to set the mechanical arm; The welding mechanism arranged on one side of the support plate includes a rotating column, a feeding tray is arranged on one side of the rotating column, an installation shell is arranged on the side wall of the feeding tray, a clamping assembly is arranged on one side of the installation casing, and an air storage assembly is arranged on the side wall of the installation casing, One end of the mechanical arm is provided with a welding assembly, one side of the support plate is fixedly connected to an electric telescopic rod, one end of the electric telescopic rod is fixedly connected to the mechanical arm, and one side of the support plate is provided with a drive assembly for driving the feeding tray to rotate and feed; The detection mechanism arranged on one side of the bottom plate includes a bearing rod slidingly arranged on one side of the support plate. The two sides of the bearing rod are fixedly connected to the pressure storage cylinder and the pressure transmission cylinder respectively, and the installation beam is fixedly connected between the pressure transmission cylinder and the pressure storage cylinder. One end of the installation beam slides through and sets the air guide tube, the end of the air guide tube is fixedly connected to the rubber ring, and the end of the air guide tube on one side of the rubber ring is sleeved with a reset piece, and the connecting shell is arranged on one side of the mounting beam, and the inner wall of the connecting shell is fixedly connected to the sealing ring. The air guide pipe extends into the communicating shell and is arranged through the sealing ring. A pressure storage block is slidably arranged in the pressure storage cylinder. One end of the pressure storage block is fixedly connected to the pressure storage rod, and one end of the pressure storage rod extends to the outside of the pressure storage cylinder. The end is fixedly connected to the pressure storage arm, and an induction block is slid inside the pressure transmission cylinder, one end of the induction block is fixedly connected to the induction rod, one end of the induction rod extends to the outside of the pressure transmission cylinder, and a reset block is set on the side wall, and one end of the induction rod is set Unloading assembly, one side of the support plate is equipped with a transmission assembly, and the side of the pressure storage cylinder and the pressure transmission cylinder are fixedly connected to the connecting pipe. parts contact, the rubber ring partially seals the weld seam, the pressure storage arm drives the pressure storage block to move down through the pressure storage rod, the pressure in the pressure storage cylinder increases, and the pressure is transmitted into the communication shell through the connecting pipe, when the welding seam is completely sealed , the pressure is transmitted into the pressure transmission cylinder, and the sensing rod in the pressure transmission cylinder moves. Under the action of the reset block, the gas storage component is driven to move to realize discharging. When there is a gap in the welding seam, the pressure is released, and the sensing rod Standing still, the welded parts are transported to the welding position by the feeding tray, and welded again to realize the detection and screening of the welded parts. 2. A welding robot for precision electronic equipment welding according to claim 1, characterized in that, the clamping assembly includes a telescopic element fixedly arranged on one side of the mounting shell, one side of the telescopic element is fixedly connected to the piston arm, The piston arm has a T-shaped structure, one end of the piston arm extends to the outside of the installation shell, and the end is fixedly connected to the clamping block. 3. A welding robot for precision electronic equipment welding according to claim 1, wherein the gas storage assembly includes a fixed post fixedly arranged on the side wall of the installation shell, and the end of the fixed post is fixedly connected to a sealing block, and the sealing block is sealed. A pressure storage cylinder is slidably arranged on the outside of the block, and a telescopic tube is fixedly connected between the pressure storage cylinder and the installation shell. 4. A welding robot for precision electronic equipment welding according to claim 3, characterized in that, one side of the pressure storage cylinder is fixedly connected to a fixed arm, one end of the fixed arm slides through and sets a limit post, and one end of the limit post is fixed The limit ring is socketed, and the compression piece is socketed at one end of the limit post on one side of the limit ring, and a limit groove is opened on the side wall of the fixed post on one side of the limit ring. 5. A welding robot for precision electronic equipment welding according to claim 1, wherein the welding assembly includes a transmission wheel rotatably arranged on one side of the mechanical arm, one side of the transmission wheel is hinged to a linkage arm, and one end of the linkage arm The movable block is articulated, the movable block is slidingly connected with the mechanical arm, and a welding arm is arranged at one end of the movable block. 6. A welding robot for precision electronic equipment welding according to claim 1, wherein the drive assembly includes a positioning block fixedly arranged on one side of the support plate, a drive motor is arranged on one side of the positioning block, and the drive motor One end of the output shaft is provided with a drive column, one end of the drive column is provided with an incomplete bevel gear, and one side of the incomplete bevel gear is provided with a transmission bevel gear. 7. A welding robot for welding precision electronic instruments according to claim 6, characterized in that, the transmission assembly includes a drive disc fixedly arranged at the bottom of the drive column, one end of the drive disc is fixedly connected to a fixed shaft, and one end of the fixed shaft is hinged In the transmission arm, one end of the support plate on one side of the transmission arm slides through and sets the piston rod. 8. A welding robot for precision electronic equipment welding according to claim 7, wherein one end of the transmission arm is hingedly connected to the piston rod, one end of the piston rod is hinged to the transmission rod, and the end of the transmission rod is connected to the load rod Articulated connections. 9. A welding robot for precision electronic equipment welding according to claim 1, characterized in that, the unloading assembly includes a push rod that slides through and is arranged at one end of the induction rod, the push rod is an I-shaped structure, and the push rod Both ends of the rod are sleeved with support members, one end of the push rod is rotatably connected to the roller, and the side wall of the support plate on one side of the roller is fixedly connected to the trapezoidal block.