阅读说明：本技术 一种用于阀门生产的焊接机 (Welding machine for valve production ) 是由 王华梅 于 2019-11-12 设计创作，主要内容包括：本发明涉及机械设备的技术领域,特别是涉及一种用于阀门生产的焊接机,其通过对阀门进行自动化焊接,可有效提高阀门焊接强度,提高阀门质量,同时阀门焊接速度提高,有效提高工作效率,焊接机在运行时,人体可远离焊接机,有效防止焊枪焊接时产生的高温对人体造成烫伤,提高实用性和可靠性；包括工作台、卡盘支架、卡盘、主轴、第一皮带轮、第一电机、第二皮带轮、皮带、外壳、第二电机、减速器、第一螺旋齿轮和丝杠,工作台的顶端左侧与卡盘支架的底端连接,卡盘位于卡盘支架的右上方,卡盘的左端与主轴的右端连接。(The invention relates to the technical field of mechanical equipment, in particular to a welding machine for valve production, which can effectively improve the welding strength of a valve and the valve quality by automatically welding the valve, simultaneously improve the welding speed of the valve and effectively improve the working efficiency; including workstation, chuck support, chuck, main shaft, first belt pulley, first motor, second belt pulley, belt, shell, second motor, reduction gear, first helical gear and lead screw, the top left side of workstation is connected with the bottom of chuck support, and the chuck is located the upper right side of chuck support, and the left end of chuck is connected with the right-hand member of main shaft.)

1. A welding machine for valve production is characterized by comprising a workbench (1), a chuck support (2), a chuck (3), a spindle (4), a first belt pulley (5), a first motor (6), a second belt pulley (7), a belt (8), a shell (9), a second motor (10), a speed reducer (11), a first spiral gear (12) and a lead screw (13), wherein the left side of the top end of the workbench (1) is connected with the bottom end of the chuck support (2), the chuck (3) is positioned above the right side of the chuck support (2), the left end of the chuck (3) is connected with the right end of the spindle (4), a first through hole which penetrates through the left side and the right side is formed in the upper side of the chuck support (2), the left end of the spindle (4) penetrates through the first through hole and extends out to the left side of the chuck support (2), the outer wall of the spindle (4) is rotatably connected with the inner wall of the first through hole, the left end of the main shaft (4) is connected with the middle part of the right end of the first belt pulley (5), the first motor (6) is positioned at the lower side of the inner part of the chuck support (2), the bottom end of the first motor (6) is arranged at the top end of the workbench (1), the left end of the first motor (6) is provided with a first rotating shaft, the left end of the first rotating shaft is connected with the middle part of the right end of the second belt pulley (7), the position of the second belt pulley (7) corresponds to the position of the first belt pulley (5), the first belt pulley (5) and the second belt pulley (7) can synchronously rotate through a belt (8), the bottom end of the shell (9) is arranged at the right side of the top end of the workbench (1), the inner part of the shell (9) is provided with a first cavity, the top end of the first cavity is communicated with a through hole, the right rear side of the top end of the workbench (1) is provided with a motor base, the left side of the top, a second rotating shaft is arranged at the right end of a second motor (10), the right end of the second rotating shaft is connected with the left end of a speed reducer (11), the bottom end of the speed reducer (11) is installed at the right side of the top end of a motor base, a third rotating shaft is arranged at the front end of the speed reducer (11), a second through hole is arranged at the right lower side of the rear end of a first cavity, the front end of the third rotating shaft penetrates through the second through hole and extends into the right lower side of the first cavity, a first spiral gear (12) is installed at the front side of the third rotating shaft, a lead screw (13) is vertically positioned in the first cavity, the bottom end of the lead screw (13) is rotatably connected with the middle part of the bottom end of the first cavity, a second spiral gear (14) is arranged on the outer wall of the lower side of the lead screw (13), the right end of the second spiral gear (14) is meshed with the left end of the first spiral gear (12), a movable plate, a threaded sleeve (16) is arranged in the third through hole, the threaded sleeve (16) is arranged on the outer wall of the lead screw (13) through a threaded hole in the threaded sleeve (16) in a threaded manner, sliders (17) are arranged on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the movable plate (15), guide rails (18) are arranged at the outer ends of the four groups of sliders (17) in a sliding manner, the outer ends of the four groups of guide rails (18) are vertically arranged on the inner wall of the first cavity, a groove plate (19) is arranged on the outer side of the top end of the movable plate (15), a gap exists between the outer wall of the groove plate (19) and the four groups of guide rails (18), the upper side of the lead screw (13) is positioned in the groove plate (19), the top end of the groove plate (19) penetrates through the through hole and extends out to the upper side of the shell (9), an installation platform (20) is arranged at the top end of the groove plate (19), a, the top rear side of mount table (20) is provided with hydraulic pressure station (23), the right-hand member intercommunication in hydraulic pressure station (23) is provided with first hydraulic pressure pipe, the rotatable first hydraulic stem (24) that is provided with in bottom right side of bent arm (22), the bottom of first hydraulic stem (24) and the top right side rotatable coupling of mount table (20), the right-hand member of first hydraulic pressure pipe and the rear end intercommunication of first hydraulic stem (24), the rotatable welder (25) that is provided with in bottom left side of bent arm (22), the rotatable second hydraulic stem (26) that is provided with in right-hand member middle part of welder (25), the right-hand member of second hydraulic stem (26) and the bottom left side rotatable coupling of bent arm (22), the left end intercommunication in hydraulic pressure station (23) is provided with the second hydraulic pipe, the left end of second liquid and the bottom right side intercommunication of second hydraulic stem (26).

2. The welding machine for valve production according to claim 1, further comprising a purifying device, wherein the purifying device is installed at the top end of the installation platform (20), the purifying device comprises a third motor (27), a suction pump (28), a filter cabin (29), a filter plate (30) and a second support (31), the bottom end of the third motor (27) is installed at the right front side of the top end of the installation platform (20), the left end of the third motor (27) is provided with a fourth rotating shaft, the left end of the fourth rotating shaft is connected with the right end of the suction pump (28), the bottom end of the suction pump (28) is installed at the top end of the installation platform (20), the front end of the suction pump (28) is communicated with a first air pipe, the left end of the suction pump (28) is communicated with a second air pipe, the filter cabin (29) is located at the left side of the suction pump (28), the bottom end of the filter cabin (29) is installed at the top end of the installation platform (20), and a second cavity is arranged inside the filter cabin (29), the filter (30) is vertically installed on the left side of the inner portion of the second cavity, a third air pipe is arranged at the left end of the second cavity in a communicated mode, the rear end of the second support (31) is installed on the left side of the front end of the crank arm (22), the left side input end of the third air pipe penetrates through the front side of the second support (31) and stretches out to the lower portion of the second support (31), and the opening direction of the left side input end of the third air pipe corresponds to the bottom end of the welding gun (25).

3. The welding machine for valve production as defined in claim 2, further comprising an air suction hopper (32), wherein the top end of the air suction hopper (32) is installed at the left side input end of the third air pipe, a fourth through hole penetrating up and down is formed in the middle of the air suction hopper (32), the diameter of the bottom end of the fourth through hole is larger than that of the top end, and the top end of the fourth through hole is communicated with the left side input end of the third air pipe.

4. A welding machine for valve production according to claim 3, characterized in that it further comprises an adsorption net (33), the adsorption net (33) being installed inside the second chamber on the right side.

5. A welding machine for valve production according to claim 4, characterized by further comprising a third bracket (34), wherein the third bracket (34) is positioned at the lower side of the first cavity, the bottom end of the third bracket (34) is installed at the bottom end of the first cavity, and the upper side of the rear end of the third bracket (34) is rotatably connected with the front end of the third rotating shaft.

6. A welding machine for valve production according to claim 5, characterized by further comprising a fourth bracket (35), wherein the fourth bracket (35) is positioned on the rear side of the housing (9), the rear end of the fourth bracket (35) is arranged on the upper side of the rear end of the housing (9), the front end of the fourth bracket (35) extends into the groove plate (19), and the front side of the bottom end of the fourth bracket (35) is rotatably connected with the top end of the screw (13).

7. A welding machine for valve production according to claim 6, characterized by further comprising a cover plate (36), wherein a protective groove is arranged at the rear end of the cover plate (36) in a communication mode, the cover plate (36) is sleeved on the outer side of the slot plate (19) through the protective groove, a gap exists between the inner wall of the protective groove and the outer wall of the slot plate (19), and the bottom end of the cover plate (36) covers the top end of the through hole.

8. The welding machine for valve production as defined in claim 7, characterized in that a trough (37), the trough (37) is located between the chuck support (2) and the housing (9), the bottom end of the trough (37) is mounted on the top end of the worktable (1), the top end of the trough (37) is communicated with a collecting trough, and the top end of the collecting trough is located below the chuck (3).

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a welding machine for valve production.

Background

As is well known, the valve is when production man-hour, need to carry out welding process to it, current welding mode mainly adopts the manual work to weld, during manual welding, the stability of hand is relatively poor, there is the change in the distance between the position of treating welding on welder and the valve, lead to the solder joint homogeneity relatively poor, the valve strength after the welding is relatively poor, welding quality is lower, welder is when welding the valve simultaneously, welder moving speed is relatively slow, the welding time is longer, work efficiency is lower, human physical demands is great, welder is carrying out the during operation, welder bottom temperature is higher, easily cause the scald to the human body.

Disclosure of Invention

In order to solve the technical problems, the invention provides the welding machine for valve production, which can effectively improve the welding strength of the valve and the valve quality, improve the welding speed of the valve, effectively improve the working efficiency, effectively prevent a human body from being away from the welding machine when the welding machine operates, effectively prevent the human body from being scalded by high temperature generated during welding of a welding gun and improve the practicability and reliability.

The invention relates to a welding machine for valve production, which comprises a workbench, a chuck support, a chuck, a main shaft, a first belt pulley, a first motor, a second belt pulley, a belt, a shell, a second motor, a speed reducer, a first spiral gear and a lead screw, wherein the left side of the top end of the workbench is connected with the bottom end of the chuck support, the chuck is positioned at the right upper part of the chuck support, the left end of the chuck is connected with the right end of the main shaft, a first through hole which penetrates through the chuck support from left to right is arranged at the upper side of the chuck support, the left end of the main shaft penetrates through the first through hole and extends out to the left side of the chuck support, the outer wall of the main shaft is rotatably connected with the inner wall of the first through hole, the left end of the main shaft is connected with the middle part of the right end of the first belt pulley, the first motor is positioned at the inner lower side of the chuck support, the bottom end of the first motor is arranged, the position of the second belt pulley corresponds to the position of the first belt pulley, the first belt pulley and the second belt pulley can synchronously rotate through a belt, the bottom end of the shell is arranged on the right side of the top end of the workbench, a first cavity is arranged inside the shell, the top end of the first cavity is communicated with and provided with a through hole, the right rear side of the top end of the workbench is provided with a motor base, the left side of the top end of the motor base is connected with the bottom end of a second motor, the right end of the second motor is provided with a second rotating shaft, the right end of the second rotating shaft is connected with the left end of a speed reducer, the bottom end of the speed reducer is arranged on the right side of the top end of the motor base, the front end of the speed reducer is provided with a third rotating shaft, the right lower side of the rear end of the first cavity is provided with a second through hole, the front end of the third rotating shaft penetrates through the second through, the bottom end of the screw rod is rotatably connected with the middle part of the bottom end of the first cavity, the outer wall of the lower side of the screw rod is provided with a second spiral gear, the right end of the second spiral gear is meshed with the left end of the first spiral gear, the middle part of the first cavity is provided with a movable plate, the middle part of the movable plate is provided with a third through hole which penetrates through the upper part and the lower part, a screw sleeve is arranged in the third through hole and is sleeved on the outer wall of the screw rod through a screw hole in the screw sleeve, the left front side, the left rear side, the right front side and the right rear side of the bottom end of the movable plate are respectively provided with a sliding block, the outer ends of the four groups of sliding blocks are respectively provided with a guide rail in a sliding way, the outer ends of the four groups of guide rails are vertically arranged on the inner wall of the first cavity, the outer side of the top end of the movable plate is provided, the left side of the top end of the mounting table is provided with a first support, the upper side of the first support is rotatably provided with a crank arm, the back side of the top end of the mounting table is provided with a hydraulic station, the right end of the hydraulic station is communicated with a first hydraulic pipe, the right side of the bottom end of the crank arm is rotatably provided with a first hydraulic rod, the bottom end of the first hydraulic rod is rotatably connected with the right side of the top end of the mounting table, the right end of the first hydraulic pipe is communicated with the back end of the first hydraulic rod, the left side of the bottom end of the crank arm is rotatably provided with a welding gun, the middle part of the right end of the welding gun is rotatably provided with a second hydraulic rod, the right end of the second hydraulic rod is rotatably connected with the left side of the bottom end of the crank arm, the; opening a chuck, installing a valve at the right end of the chuck, fixing the valve through the chuck, opening a first motor, driving a second belt pulley to rotate through a first rotating shaft by the first motor, driving a first belt pulley, a main shaft, the chuck and the valve to synchronously rotate through a belt by the second belt pulley, opening a second motor, driving a speed reducer to operate through a second rotating shaft by the second motor, driving a first spiral gear to rotate through a third rotating shaft by the speed reducer, engaging the left end of the first spiral gear with the right end of the second spiral gear, driving a lead screw to rotate through the second spiral gear by the first spiral gear, connecting the outer wall of the lead screw with a threaded hole in a screw sleeve in a screw manner, driving the screw sleeve to move up and down, driving a moving plate to move up and down by the screw sleeve, driving four groups of sliding blocks to respectively slide up and down on four groups of guide rails by the moving plate, driving a mounting table to, the mounting table drives the welding gun to move up and down through the first support and the crank arm, so as to adjust the bottom height of the welding gun, the hydraulic station is opened, the hydraulic station controls the top end of the first hydraulic rod to move up and down through the first hydraulic pipe, the top end of the first hydraulic rod drives the crank arm to rotate on the first support, the left end of the crank arm drives the welding gun to rotate, the hydraulic station controls the left end of the second hydraulic rod to move left and right through the second hydraulic pipe, the left end of the second hydraulic rod drives the welding gun to rotate at the bottom end of the crank arm, so as to adjust the angle of the bottom end of the welding gun, the bottom end of the welding gun is close to a rotating valve by adjusting the height and the angle of the welding gun, the welding gun is opened, the welding treatment can be carried out on the valve by the bottom end of the welding gun, when welding machines are carried out on other positions on the valve, the valve can, the position to be welded on the valve is rotated to the upper side of the valve, the height and the angle of the welding gun are adjusted, the bottom end of the welding gun is enabled to be close to the position to be welded on the valve again, the welding gun is opened, the bottom end of the welding gun carries out welding treatment on the valve, so that the welding gun can carry out multi-directional and multi-angle automatic welding on the valve, the stability of the welding gun can be effectively improved by carrying out automatic welding on the valve, welding spots on the valve can be uniformly distributed on the valve, the welding strength of the valve is improved, the quality of the valve is improved, meanwhile, the welding speed of the valve is improved, the welding time is shortened, the working efficiency is effectively improved, the physical time during manual welding is saved, when the welding machine is in operation, a human body can be far away from the welding machine, the human body is effectively prevented from being scalded, the valve can be conveniently welded in multiple directions and multiple angles, the diversity of functions of the welding machine is effectively improved, and the practicability and the reliability are improved.

The invention relates to a welding machine for valve production, which further comprises a purifying device, wherein the purifying device is arranged at the top end of an installation platform and comprises a third motor, a suction pump, a filter chamber, a filter plate and a second support, the bottom end of the third motor is arranged on the right front side of the top end of the installation platform, a fourth rotating shaft is arranged at the left end of the third motor, the left end of the fourth rotating shaft is connected with the right end of the suction pump, the bottom end of the suction pump is arranged at the top end of the installation platform, the front end of the suction pump is communicated with a first air pipe, the left end of the suction pump is communicated with a second air pipe, the filter chamber is positioned at the left side of the suction pump, the bottom end of the filter chamber is arranged at the top end of the installation platform, a second cavity is arranged in the filter chamber, the filter plate is vertically arranged at the left side in the second cavity, the left end of the second cavity is communicated with a third air pipe, the rear end of the second support is arranged at the left side of the front end, the opening direction of the left input end of the third air pipe corresponds to the bottom position of the welding gun; welder's bottom is when welding the valve, the welding position on the valve produces the flue gas easily, open the third motor, the third motor drives the suction pump operation through the fourth pivot, the suction pump passes through the second trachea, filter storehouse and third trachea inhale the flue gas in the second cavity left side, the filter carries out filtration purification treatment to the flue gas in the second cavity, granule in the flue gas obtains the interception, flue gas through purification treatment gets into the second cavity right side and gets into inside the suction pump through the second trachea, the suction pump is discharged the flue gas after will purifying to the external world through first trachea, carry out purification treatment through the flue gas that produces to the welding machine during operation, can prevent effectively that the flue gas from causing the destruction to the environment, prevent simultaneously that the flue gas from causing the injury to the human body, improve the practicality.

The welding machine for valve production further comprises an air suction hopper, wherein the top end of the air suction hopper is installed at the left input end of a third air pipe, a fourth through hole penetrating up and down is formed in the middle of the air suction hopper, the diameter of the bottom end of the fourth through hole is larger than that of the top end of the fourth through hole, and the top end of the fourth through hole is communicated with the left input end of the third air pipe; inside the flue gas got into the third trachea through the fourth through-hole, through setting up the suction hopper, can conveniently enlarge flue gas absorption area, improve flue gas absorption efficiency, improve the practicality.

The welding machine for valve production further comprises an adsorption net, wherein the adsorption net is arranged on the right side inside the second cavity; through setting up the adsorption net, can conveniently adsorb purification treatment to the filterable flue gas through the filter, the harmful substance in the flue gas obtains the separation, effectively improves flue gas purification effect, improves the practicality.

The welding machine for valve production further comprises a third support, wherein the third support is located on the lower side of the first cavity, the bottom end of the third support is installed at the bottom end of the first cavity, and the upper side of the rear end of the third support is rotatably connected with the front end of a third rotating shaft; through setting up the third support, can conveniently support and fix third pivot front end, stability when improving the third pivot rotation improves the practicality.

The welding machine for valve production further comprises a fourth support, wherein the fourth support is positioned on the upper rear side of the shell, the rear end of the fourth support is installed on the upper side of the rear end of the shell, the front end of the fourth support extends into the groove plate, and the front side of the bottom end of the fourth support is rotatably connected with the top end of the lead screw; through setting up the fourth support, can conveniently support the lead screw top, when effectively preventing the lead screw rotation, the top of lead screw produces and rocks, improves the practicality.

The welding machine for valve production further comprises a cover plate, wherein the rear end of the cover plate is communicated with a protective groove, the cover plate is sleeved on the outer side of the groove plate through the protective groove, a gap is formed between the inner wall of the protective groove and the outer wall of the groove plate, and the bottom end of the cover plate is covered on the top end of the through hole; through setting up the apron, can conveniently seal the processing to the through-hole top, prevent effectively that external object from falling into inside the first cavity through the opening, improve the practicality.

The welding machine for valve production comprises a material groove, wherein the material groove is positioned between a chuck support and a shell, the bottom end of the material groove is arranged at the top end of a workbench, the top end of the material groove is communicated with a material collecting groove, and the top end of the material collecting groove is positioned below a chuck; welder's bottom produces the welding slag easily when welding the valve, and the welding slag drops into the collecting vat, through setting up the silo, can conveniently effectively collect the welding slag, improves the practicality.

Compared with the prior art, the invention has the beneficial effects that: opening a chuck, installing a valve at the right end of the chuck, fixing the valve through the chuck, opening a first motor, driving a second belt pulley to rotate through a first rotating shaft by the first motor, driving a first belt pulley, a main shaft, the chuck and the valve to synchronously rotate through a belt by the second belt pulley, opening a second motor, driving a speed reducer to operate through a second rotating shaft by the second motor, driving a first spiral gear to rotate through a third rotating shaft by the speed reducer, engaging the left end of the first spiral gear with the right end of the second spiral gear, driving a lead screw to rotate through the second spiral gear by the first spiral gear, connecting the outer wall of the lead screw with a threaded hole in a screw sleeve in a screw manner, driving the screw sleeve to move up and down, driving a moving plate to move up and down by the screw sleeve, driving four groups of sliding blocks to respectively slide up and down on four groups of guide rails by the moving plate, driving a mounting table to, the mounting table drives the welding gun to move up and down through the first support and the crank arm, so as to adjust the bottom height of the welding gun, the hydraulic station is opened, the hydraulic station controls the top end of the first hydraulic rod to move up and down through the first hydraulic pipe, the top end of the first hydraulic rod drives the crank arm to rotate on the first support, the left end of the crank arm drives the welding gun to rotate, the hydraulic station controls the left end of the second hydraulic rod to move left and right through the second hydraulic pipe, the left end of the second hydraulic rod drives the welding gun to rotate at the bottom end of the crank arm, so as to adjust the angle of the bottom end of the welding gun, the bottom end of the welding gun is close to a rotating valve by adjusting the height and the angle of the welding gun, the welding gun is opened, the welding treatment can be carried out on the valve by the bottom end of the welding gun, when welding machines are carried out on other positions on the valve, the valve can, the position to be welded on the valve is rotated to the upper side of the valve, the height and the angle of the welding gun are adjusted, the bottom end of the welding gun is enabled to be close to the position to be welded on the valve again, the welding gun is opened, the bottom end of the welding gun carries out welding treatment on the valve, so that the welding gun can carry out multi-directional and multi-angle automatic welding on the valve, the stability of the welding gun can be effectively improved by carrying out automatic welding on the valve, welding spots on the valve can be uniformly distributed on the valve, the welding strength of the valve is improved, the quality of the valve is improved, meanwhile, the welding speed of the valve is improved, the welding time is shortened, the working efficiency is effectively improved, the physical time during manual welding is saved, when the welding machine is in operation, a human body can be far away from the welding machine, the human body is effectively prevented from being scalded, the valve can be conveniently welded in multiple directions and multiple angles, the diversity of functions of the welding machine is effectively improved, and the practicability and the reliability are improved.

Drawings

FIG. 1 is a schematic top left oblique view of the present invention;

FIG. 2 is a rear, top right perspective view of the present invention;

FIG. 3 is an enlarged view of the interior of the housing of FIG. 1;

FIG. 4 is an enlarged view of the crank arm of FIG. 2;

in the drawings, the reference numbers: 1. a work table; 2. a chuck holder; 3. a chuck; 4. a main shaft; 5. a first pulley; 6. a first motor; 7. a second pulley; 8. a belt; 9. a housing; 10. a second motor; 11. a speed reducer; 12. a first helical gear; 13. a lead screw; 14. a second helical gear; 15. moving the plate; 16. a threaded sleeve; 17. a slider; 18. a guide rail; 19. a groove plate; 20. an installation table; 21. a first bracket; 22. a crank arm; 23. a hydraulic station; 24. a first hydraulic lever; 25. a welding gun; 26. a second hydraulic rod; 27. a third motor; 28. a suction pump; 29. a filtering bin; 30. a filter plate; 31. a second bracket; 32. an air suction hopper; 33. an adsorption net; 34. a third support; 35. a fourth bracket; 36. a cover plate; 37. a trough.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, in operation, the welding machine for valve production according to the present invention opens the chuck 3, installs the valve at the right end of the chuck 3 and fixes the valve through the chuck 3, opens the first motor 6, the first motor 6 drives the second pulley 7 to rotate through the first rotating shaft, the second pulley 7 drives the first pulley 5, the spindle 4, the chuck 3 and the valve to synchronously rotate through the belt 8, opens the second motor 10, the second motor 10 drives the speed reducer 11 to operate through the second rotating shaft, the speed reducer 11 drives the first helical gear 12 to rotate through the third rotating shaft, the left end of the first helical gear 12 is engaged with the right end of the second helical gear 14, the first helical gear 12 drives the screw 13 to rotate through the second helical gear 14, the outer wall of the screw 13 is screwed with the threaded hole inside the screw 16, the screw 13 can drive the screw 16 to move up and down, the screw sleeve 16 drives the moving plate 15 to move up and down, the moving plate 15 drives the four groups of sliding blocks 17 to respectively slide up and down on the four groups of guide rails 18, the moving plate 15 in a moving state drives the mounting table 20 to move up and down through the groove plate 19, the mounting table 20 drives the welding gun 25 to move up and down through the first support 21 and the crank arm 22, so that the height of the bottom end of the welding gun 25 is adjusted, the hydraulic station 23 is opened, the hydraulic station 23 controls the top end of the first hydraulic rod 24 to move up and down through the first hydraulic pipe, the top end of the first hydraulic rod 24 drives the crank arm 22 to rotate on the first support 21, the left end of the crank arm 22 drives the welding gun 25 to rotate, meanwhile, the hydraulic station 23 controls the left end of the second hydraulic rod 26 to move left and right through the second hydraulic pipe, the left end of the second hydraulic rod 26 drives the welding gun 25 to rotate at the bottom end of the crank, through the height and the angle of adjustment welder 25, make welder 25's bottom be close to the valve of rotation state, open welder 25, welder 25's bottom is to the valve welding process can, when carrying out the welding machine to other many places positions on the valve, accessible control first motor 6, make the valve rotate, treat on the valve that the welding position rotates to the valve upside, adjust welder 25's height and angle, make welder 25's bottom be close again and treat the welding position on the valve, open welder 25, welder 25's bottom is to the valve welding process, thereby make welder 25 can carry out diversified and multi-angle automated welding to the valve, the welding machine is when moving, open purifier, purifier can carry out purification treatment to the flue gas that the valve welding produced.

The main functions realized by the invention are as follows: the welding gun has the advantages that the valve is automatically welded, so that the stability of the welding gun can be effectively improved, welding spots on the valve can be uniformly distributed on the valve, the welding strength of the valve is improved, the quality of the valve is improved, meanwhile, the welding speed of the valve is improved, the welding time is shortened, the working efficiency is effectively improved, the physical time during manual welding is saved, when the welding machine is in operation, a human body can be far away from the welding machine, the high temperature generated during welding of the welding gun is effectively prevented from scalding the human body, the height and the angle of the welding gun are adjusted, meanwhile, the welding position on the valve is rotatably adjusted, the valve can be conveniently welded in multiple directions and multiple angles, and the diversity of; by arranging the purifying device, the flue gas generated by the welding machine during working can be conveniently purified, and the flue gas is effectively prevented from harming the environment and human body; the smoke absorption area can be conveniently enlarged and the smoke absorption efficiency is improved by arranging the air suction hopper; by arranging the adsorption net, the flue gas filtered by the filter plate can be conveniently adsorbed and purified, harmful substances in the flue gas are separated, and the flue gas purification effect is effectively improved; through setting up the third support, can conveniently support and fix third pivot front end, stability when improving the third pivot rotation improves practicality and reliability.

According to the welding machine for valve production, the installation mode, the connection mode or the setting mode are common mechanical modes, and the welding machine can be implemented as long as the beneficial effects of the welding machine are achieved; chucks, hydraulic stations, welding guns and suction nets are commercially available.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.