CN212526570U

CN212526570U - Welding set is used in valve processing with fixed function

Info

Publication number: CN212526570U
Application number: CN202021235845.6U
Authority: CN
Inventors: 刘德刚; 崔丽娜
Original assignee: Dalian Shenghe Baotong Technology Co ltd
Current assignee: Dalian Shenghe Baotong Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-12
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to the technical field of valve processing welding, in particular to a welding device with a fixing function for valve processing, which firstly fixes a valve to be welded below a welding head through a fixing device, controls the welding height of the welding head through controlling the telescopic height of a first telescopic arm and a second telescopic arm and welds the valve, and drives the welding head to move left and right on a supporting arm by turning on a motor in the welding process through the rotation of a motor-driven reciprocating lead screw; comprises a bottom plate, a pillar, a workbench and a welding head; still include the mobile device, the mobile device includes first flexible arm, the flexible arm of second, multiunit A-frame, first pillar, second pillar, motor, two sets of first bearings, support arm, slip module and two sets of stoppers, and first flexible arm bottom is connected with the workstation top.

Description

Welding set is used in valve processing with fixed function

Technical Field

The utility model relates to a valve processing welded technical field especially relates to a welding set is used in valve processing with fixed function.

Background

The welding device with the fixing function for valve processing is an auxiliary device for welding for valve processing, and is widely used in the field of valve processing and welding; the existing welding device with the fixing function for machining the valve comprises a bottom plate, a pillar, a workbench and a welding head, wherein the top end of the bottom plate is connected with the bottom end of the pillar, the top end of the pillar is connected with the top end of the workbench, and the welding head is arranged on the workbench through a moving device; when the existing welding device with the fixing function for valve machining is used, a valve to be welded is firstly placed below a welding head, and the welding head is opened to weld the valve after the welding is finished; the existing welding device with the fixing function for valve machining is found in use, the moving stability of a welding head is poor in the welding operation process, the welding precision is poor, the use efficiency is low, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides an at first pass through fixing device with welded valve and fix the below at the bonding tool, the welding height of the flexible altitude control bonding tool through the flexible arm of first flexible arm of control and the flexible arm of second welds and welds the valve, through opening the motor among the welding process, the reciprocal lead screw of motor drive rotates and makes sliding module drive bonding tool control and remove on the support arm, through setting up two sets of stoppers, control sliding module's moving range, improve welding moving's stability, improve the welding precision, the use efficiency is improved, improve a welding set for valve processing with fixed function of practicality.

The utility model discloses a welding set with fixed function for valve processing, including bottom plate, pillar, workstation and bonding tool, the bottom plate top is connected with the pillar bottom, and the pillar top is connected with the workstation top, and the bonding tool is installed on the workstation through the mobile device; the device also comprises a moving device, the moving device comprises a first telescopic arm, a second telescopic arm, a plurality of groups of triangular supports, a first support, a second support, a motor, two groups of first bearings, a supporting arm, a sliding module and two groups of limiting blocks, the bottom end of the first telescopic arm is connected with the top end of the workbench, the bottom end of the second telescopic arm is connected with the top end of the workbench, the plurality of groups of triangular supports are arranged on the outer side walls of the first telescopic arm and the second telescopic arm, the bottom ends of the plurality of groups of triangular supports are connected with the top end of the workbench, the plurality of groups of triangular supports play a role in stabilizing the first telescopic arm and the second telescopic arm, the bottom end of the first support is provided with an opening, the top end of the first telescopic arm is connected with the bottom end of the first support, the top end of the first telescopic arm extends into the opening at the bottom end of the first support, the bottom end of the second telescopic arm is provided with an opening at, the motor is arranged at the right end of the first support, the output end of the motor is provided with a first group of gears, the left end of a first bearing of the first group is connected with the right end of the second support, the right end of a first bearing of the second group is connected with the left end of the first support, the right end of the first bearing of the first group is rotatably and transversely provided with a reciprocating lead screw, the right end of the reciprocating lead screw is connected with a first bearing of the second group and penetrates through the side wall of the first support, the right end of the reciprocating lead, the second group of gears are meshed with the first group of gears, the left end of the supporting arm is connected with the right end of the second support column, the right end of the supporting arm is connected with the left end of the first support column, the sliding module can be arranged on the supporting arm in a left-right sliding mode through the reciprocating screw rod, and the support arm plays a supporting role to the sliding module, two sets of limiting blocks are arranged on the reciprocating screw rod and are respectively arranged on the left side and the right side of the sliding module to limit the sliding module, and the bottom end of the sliding module is connected with the top end of the welding head.

The utility model discloses a welding set is used in valve processing with fixed function, still include fixing device, fixing device includes first fixed block, the second fixed block, the track, the second bearing, the third fixed block, the second lead screw, first splint and second splint, first fixed block bottom is connected with the workstation top, the second fixed block bottom is connected with the workstation top, be provided with the slide rail in the track, the track bottom is connected with the workstation top, and the track transversely sets up between first fixed block and second fixed block, the second bearing left end is connected with first fixed block right-hand member, the second bearing right-hand member is rotatable transversely to be provided with the first lead screw, the first lead screw right-hand member is connected with the third fixed block left end, third fixed block right-hand member is connected with the second lead screw left end, the second lead screw right-hand member is connected with the second fixed block left end and passes the second fixed block lateral wall, and the second lead screw is provided with the handle, first splint bottom is connected with the track top to first splint accessible first lead screw slides from side to side on the track top, and second splint bottom is connected with the track top, and second splint accessible second lead screw slides from side to side on the track top.

The utility model discloses a welding set is used in valve processing with fixed function, still include the dust cage, the dust collection box, hose and air exhauster, the dust cage is installed on the welding head, the dust collection box bottom is connected with the bottom plate top, the dust collection box is provided with the cabin, the cabin left end is provided with the air intake, the cabin right-hand member is provided with the air outlet, and the air intake all communicates with each other with the cabin with the air outlet, hose input end and dust cage intercommunication, hose output end and dust collection box air intake intercommunication, the air exhauster is installed on the bottom plate top, air exhauster input and dust collection box air outlet intercommunication, it is connected and sets up in the cabin with the dust collection.

The utility model discloses a welding set is used in valve processing with fixed function still includes two sets of anti-skidding leather pads, and two sets of anti-skidding leather pads set up the inboard at first splint and second splint respectively.

The utility model discloses a welding set is used in valve processing with fixed function still includes solid fixed ring, and solid fixed ring sets up at second pillar left end to the suit is on the hose.

The utility model discloses a welding set is used in valve processing with fixed function still includes fixation nut, and the fixation nut suit is at second lead screw right-hand member.

The utility model discloses a welding set is used in valve processing with fixed function still includes the protection casing, and the protection casing left end is connected with first pillar right-hand member, is provided with the cavity in the protection casing to two sets of gear settings are in the cavity.

The utility model discloses a welding set is used in valve processing with fixed function still includes the multiunit stabilizer blade, and the multiunit stabilizer blade is installed in the bottom plate bottom.

Compared with the prior art, the beneficial effects of the utility model are that: at first pass through fixing device with the welded valve and fix the below at the bonding tool, welding height and to the valve welding of the flexible altitude control bonding tool through the flexible altitude control of the flexible arm of control first flexible arm and second, through opening the motor among the welding process, the reciprocal lead screw of motor drive rotates and makes sliding module drive the bonding tool and control about on the support arm, through first flexible arm, the flexible arm of second and sliding module's cooperation, thereby control the welding angle of bonding tool, through setting up two sets of stoppers, control sliding module's moving range, improve welding movement's stability, improve the welding precision, improve the availability factor, and the practicability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the connection of the motor with gears and the like;

FIG. 3 is an enlarged schematic view of the connection of the support arm to the slide module or the like;

FIG. 4 is an enlarged schematic view of the connection of the first lead screw with a third fixing block;

in the drawings, the reference numbers: 1. a base plate; 2. a pillar; 3. a work table; 4. a welding head; 5. a first telescopic arm; 6. a second telescopic arm; 7. a triangular bracket; 8. a first upright post; 9. a second upright post; 10. a motor; 11. a gear; 12. a first bearing; 13. a reciprocating screw; 14. a support arm; 15. a sliding module; 16. a limiting block; 17. a first fixed block; 18. a second fixed block; 19. a track; 20. a second bearing; 21. a first lead screw; 22. a third fixed block; 23. a second lead screw; 24. a first splint; 25. a second splint; 26. a dust collection cover; 27. a dust collection box; 28. a hose; 29. an exhaust fan; 30. filtering cotton; 31. an anti-skid leather pad; 32. a fixing ring; 33. fixing a nut; 34. a protective cover; 35. and (3) a support leg.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to 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, the welding device with fixing function for valve processing of the present invention comprises a bottom plate 1, a pillar 2, a workbench 3 and a welding head 4, wherein the top end of the bottom plate 1 is connected with the bottom end of the pillar 2, the top end of the pillar 2 is connected with the top end of the workbench 3, and the welding head 4 is installed on the workbench 3 through a moving device; the device also comprises a moving device, the moving device comprises a first telescopic arm 5, a second telescopic arm 6, a plurality of groups of triangular supports 7, a first support 8, a second support 9, a motor 10, two groups of first bearings 12, a support arm 14, a sliding module 15 and two groups of limit blocks 16, the bottom end of the first telescopic arm 5 is connected with the top end of the workbench 3, the bottom end of the second telescopic arm 6 is connected with the top end of the workbench 3, the plurality of groups of triangular supports 7 are arranged on the outer side walls of the first telescopic arm 5 and the second telescopic arm 6, the bottom ends of the plurality of groups of triangular supports 7 are connected with the top end of the workbench 3, the plurality of groups of triangular supports 7 play a stabilizing role on the first telescopic arm 5 and the second telescopic arm 6, the bottom end of the first support 8 is provided with an opening, the top end of the first telescopic arm 5 is connected with the bottom end of the first support 8, the top end of the first telescopic arm 5, the top end of a second telescopic arm 6 is connected with the bottom end of a second support column 9, the top end of the second telescopic arm 6 extends into the bottom opening of the second support column 9, a motor 10 is arranged at the right end of a first support column 8, the output end of the motor 10 is provided with a first group of gears 11, the left end of a first group of first bearings 12 is connected with the right end of the second support column 9, the right end of a second group of first bearings 12 is connected with the left end of the first support column 8, the right end of the first group of first bearings 12 is rotatably and transversely provided with a reciprocating screw 13, the right end of the reciprocating screw 13 is connected with a second group of first bearings 12 and penetrates through the side wall of the first support column 8, the right end of the reciprocating screw 13 is provided with a second group of gears 11, the second group of gears 11 are meshed with the first group of gears 11, the left end of a support arm 14 is connected with the right end of, the support arm 14 supports the sliding module 15, the two sets of limit blocks 16 are installed on the reciprocating lead screw 13 and are respectively arranged on the left side and the right side of the sliding module 15 to limit the sliding module 15, the bottom end of the sliding module 15 is connected with the top end of the welding head 4, firstly, a valve to be welded is fixed below the welding head 4 through a fixing device, the welding height of the welding head 4 is controlled by controlling the telescopic heights of the first telescopic arm 5 and the second telescopic arm 6 and the valve is welded, the motor 10 is opened in the welding process, the reciprocating lead screw 13 is driven by the motor 10 to rotate so that the sliding module 15 drives the welding head 4 to move left and right on the support arm 14, the welding angle of the welding head 4 is controlled by matching the first telescopic arm 5, the second telescopic arm 6 and the sliding module 15, the moving range of the sliding module 15 is controlled by arranging the two sets of limit blocks 16, and the stability of, improve welding precision, improve the availability factor, improve the practicality.

The utility model discloses a welding set is used in valve processing with fixed function, still include fixing device, fixing device includes first fixed block 17, second fixed block 18, track 19, second bearing 20, third fixed block 22, second lead screw 23, first splint 24 and second splint 25, first fixed block 17 bottom is connected with workstation 3 top, second fixed block 18 bottom is connected with workstation 3 top, be provided with the slide rail in the track 19, track 19 bottom is connected with workstation 3 top, and track 19 transversely sets up between first fixed block 17 and second fixed block 18, the left end of second bearing 20 is connected with first fixed block 17 right-hand member, second bearing 20 right-hand member rotatable transversely is provided with first lead screw 21, first lead screw 21 right-hand member is connected with third fixed block 22 left end, third fixed block 22 right-hand member is connected with second lead screw 23 left end, second lead screw 23 right-hand member is connected with second fixed block 18 left end and passes second fixed block 18 lateral wall, a handle is arranged at the right end of the second lead screw 23, the bottom end of the first clamping plate 24 is connected with the top end of the track 19, the first clamping plate 24 can slide left and right on the top end of the track 19 through the first lead screw 21, the bottom end of the second clamping plate 25 is connected with the top end of the track 19, and the second clamping plate 25 can slide left and right on the top end of the track 19 through the second lead screw 23; put need welded valve to between first splint 24 and the second splint 25, rotate second lead screw 23 through rotating second lead screw 23 handle, second lead screw 23 drives first lead screw 21 and rotates simultaneously, be provided with inside screw thread on the second lead screw 23, make second splint 25 move left through 19 slide rails on the track during rotation, be provided with to the internal thread on the first lead screw 21, make first splint 24 remove right through 19 slide rails on the track during rotation, thereby press from both sides tight fixed to the valve between first splint 24 and the second splint 25, first splint 24 and second splint 25 be with valve assorted circular arc type, be convenient for to the fixed of valve, stability when improving the valve welding, improve the availability factor, improve the practicality.

The utility model discloses a valve processing welding set with fixed function still includes dust cage 26, dust collection box 27, hose 28 and air exhauster 29, dust cage 26 is installed on bonding tool 4, dust collection box 27 bottom is connected with bottom plate 1 top, dust collection box 27 is provided with the cabin, the cabin left end is provided with the air intake, the cabin right-hand member is provided with the air outlet, and air intake and air outlet all communicate with the cabin, hose 28 input and dust collection cage 26 intercommunication, hose 28 output and dust collection box 27 air intake intercommunication, air exhauster 29 is installed on bottom plate 1 top, air exhauster 29 input and dust collection box 27 air outlet intercommunication, filter pulp 30 is connected with dust collection box 27 inside wall and sets up in the cabin; can produce the smoke and dust in the welding process, through opening air exhauster 29, air exhauster 29 makes 27 in-deck negative pressures of dust collection box, make hose 28 absorb the processing through the smoke and dust that produces in the welding process of dust cage 26 to welding head 4, make the smoke and dust collect in 27 cabins of dust collection box, filter the absorption to the smoke and dust through filter pulp 30, discharge through air exhauster 29 after the completion, hose 28 is the flexible hose, can not cause the influence to it when welding head 4 removes, welding set's dust removal effect is improved, user of service's safety and health effect is improved, and the practicability is improved.

The utility model discloses a welding set with fixing function for valve processing, which also comprises two groups of anti-skid leather pads 31, wherein the two groups of anti-skid leather pads 31 are respectively arranged at the inner sides of the first clamping plate 24 and the second clamping plate 25; through setting up two sets of anti-skidding leather pads 31, improve the frictional force when first splint 24 and second splint 25 press from both sides tightly the valve, improve and press from both sides tight effect, improve the practicality.

The utility model discloses a valve processing welding set with fixed function, still include solid fixed ring 32, solid fixed ring 32 sets up in the second pillar 9 left end, and the suit is on hose 28; through setting up solid fixed ring 32, be convenient for fix hose 28, improve hose 28's stability, improve the convenience.

The utility model discloses a valve processing welding set with fixing function, still include fixation nut 33, fixation nut 33 suit is at the right-hand member of second lead screw 23; after the second screw 23 is rotated, the fixing nut 33 is rotated to fix the second screw 23, so that the clamping is firmer and the convenience is improved.

The utility model discloses a valve processing welding set with fixed function, still include protection casing 34, the left end of protection casing 34 is connected with the right-hand member of first pillar 8, is provided with the cavity in the protection casing 34, and two sets of gears 11 set up in the cavity; through setting up protection casing 34, protection casing 34 plays the closure effect to two sets of gears 11, causes the injury to the personnel when preventing that two sets of gears 11 from rotating, improves the practicality.

The utility model discloses a valve processing welding set with fixing function, which also comprises a plurality of groups of support legs 35, wherein the plurality of groups of support legs 35 are arranged at the bottom end of the bottom plate 1; through setting up multiunit stabilizer blade 35, improve welding set's stability, improve the practicality.

The utility model discloses a welding set is used in valve processing with fixed function, it is at the during operation, at first pass through fixing device with the welded valve and fix the below at bonding tool 4, welding height through the flexible high control bonding tool 4 of the flexible arm of control first flexible arm 5 and the flexible arm 6 of second welds and welds the valve, through opening motor 10 among the welding process, the reciprocal lead screw 13 of motor 10 transmission rotates and makes sliding module 15 drive bonding tool 4 and control the removal on support arm 14, through first flexible arm 5, the flexible arm 6 of second and sliding module 15's cooperation, thereby control bonding tool 4's welding angle, through setting up two sets of stopper 16, control sliding module 15's moving range, improve welding moving's stability, improve the welding precision, and improve the use efficiency, and improve the practicality

Then, a valve to be welded is placed between a first clamping plate 24 and a second clamping plate 25, the second screw 23 is rotated by rotating a handle of the second screw 23, the second screw 23 drives the first screw 21 to rotate simultaneously, inward threads are arranged on the second screw 23, the second clamping plate 25 moves leftwards through a slide rail 19 of a track 19 during rotation, an inward internal thread is arranged on the first screw 21, the first clamping plate 24 moves rightwards through the slide rail 19 of the track 19 during rotation, so that the valve between the first clamping plate 24 and the second clamping plate 25 is clamped and fixed, the first clamping plate 24 and the second clamping plate 25 are in an arc shape matched with the valve, the valve is fixed conveniently, the stability during welding of the valve is improved, the use efficiency is improved, the practicability is improved, smoke can be generated during welding, a negative pressure is formed in a dust collecting box chamber 27 by opening an exhaust fan 29, so that a hose 28 absorbs the smoke generated during welding of the welding head 4 through a dust collecting cover 26, make the smoke and dust collect in dust collection box 27 cabin, filter through filter pulp 30 and adsorb the smoke and dust, discharge through air exhauster 29 after accomplishing, hose 28 is the flexible hose, can not cause the influence to it when bonding tool 4 removes, welding set's dust removal effect is improved, then through setting up two sets of anti-skidding leather pads 31, improve the frictional force when first splint 24 and second splint 25 press from both sides tight to the valve, through setting up solid fixed ring 32, be convenient for fix hose 28, improve the stability of hose 28, second lead screw 23 rotates and accomplishes the back, through rotating fixation nut 33, fixation nut 33 fixes second lead screw 23, it is more firm to make the clamp tight.

The welding device with the fixing function for processing the valve is a common mechanical mode in an installation mode, a connection mode or a setting mode, and can be implemented as long as the beneficial effects of the welding device can be achieved; the utility model discloses a welding set's first flexible arm 5, the flexible arm 6 of second, motor 10 and air exhauster 29 are purchase on the market for the valve processing with fixed function, and this industry technical staff only need install and operate according to its subsidiary instructions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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.

Claims

1. A welding device with a fixing function for valve machining comprises a bottom plate (1), a support column (2), a workbench (3) and a welding head (4), wherein the top end of the bottom plate (1) is connected with the bottom end of the support column (2), the top end of the support column (2) is connected with the top end of the workbench (3), and the welding head (4) is installed on the workbench (3) through a moving device; the device is characterized by further comprising a moving device, the moving device comprises a first telescopic arm (5), a second telescopic arm (6), a plurality of groups of triangular supports (7), a first support (8), a second support (9), a motor (10), two groups of first bearings (12), a supporting arm (14), a sliding module (15) and two groups of limiting blocks (16), the bottom end of the first telescopic arm (5) is connected with the top end of the workbench (3), the bottom end of the second telescopic arm (6) is connected with the top end of the workbench (3), the plurality of groups of triangular supports (7) are arranged on the outer side walls of the first telescopic arm (5) and the second telescopic arm (6), the bottom ends of the plurality of groups of triangular supports (7) are connected with the top end of the workbench (3), the plurality of groups of triangular supports (7) play a role in stabilizing the first telescopic arm (5) and the second telescopic arm (6), the bottom end of the first support (8) is provided with an opening, the top end of the first telescopic arm (5) is connected with the bottom, and the top end of the first telescopic arm (5) extends into the bottom opening of the first support column (8), the bottom end of the second support column (9) is provided with an opening, the top end of the second telescopic arm (6) is connected with the bottom end of the second support column (9), the top end of the second telescopic arm (6) extends into the bottom opening of the second support column (9), the motor (10) is arranged at the right end of the first support column (8), the output end of the motor (10) is provided with a first group of gears (11), the left end of a first group of first bearings (12) is connected with the right end of the second support column (9), the right end of a second group of first bearings (12) is connected with the left end of the first support column (8), the right end of the first group of first bearings (12) is rotatably and transversely provided with a reciprocating screw rod (13), the right end of the reciprocating screw rod (13) is connected with the second group of first bearings (12) and penetrates through the side wall of, the second group of gears (11) is meshed with the first group of gears (11), the left end of the supporting arm (14) is connected with the right end of the second support column (9), the right end of the supporting arm (14) is connected with the left end of the first support column (8), the sliding module (15) can be arranged on the supporting arm (14) in a left-right sliding mode through the reciprocating screw rod (13), the supporting arm (14) supports the sliding module (15), the two groups of limiting blocks (16) are arranged on the reciprocating screw rod (13) and are respectively arranged on the left side and the right side of the sliding module (15),

the sliding module (15) is limited, and the bottom end of the sliding module (15) is connected with the top end of the welding head (4).

2. The welding device with the fixing function for processing the valve is characterized by further comprising a fixing device, wherein the fixing device comprises a first fixing block (17), a second fixing block (18), a rail (19), a second bearing (20), a third fixing block (22), a second lead screw (23), a first clamping plate (24) and a second clamping plate (25), the bottom end of the first fixing block (17) is connected with the top end of the workbench (3), the bottom end of the second fixing block (18) is connected with the top end of the workbench (3), a sliding rail is arranged in the rail (19), the bottom end of the rail (19) is connected with the top end of the workbench (3), the rail (19) is transversely arranged between the first fixing block (17) and the second fixing block (18), the left end of the second bearing (20) is connected with the first fixing block (17), the right end of the second bearing (20) is rotatably and transversely provided with the first lead screw (21), first lead screw (21) right-hand member is connected with third fixed block (22) left end, third fixed block (22) right-hand member is connected with second lead screw (23) left end, second lead screw (23) right-hand member is connected with second fixed block (18) left end and passes second fixed block (18) lateral wall, and second lead screw (23) right-hand member is provided with the handle, first splint (24) bottom is connected with track (19) top, and first splint (24) accessible first lead screw (21) slides on track (19) top left and right, second splint (25) bottom is connected with track (19) top, and second splint (25) accessible second lead screw (23) slides on track (19) top left and right.

3. The valve processing welding device with the fixing function as claimed in claim 2, further comprising a dust collection cover (26), a dust collection box (27), a hose (28) and an exhaust fan (29), wherein the dust collection cover (26) is mounted on the welding head (4), the bottom end of the dust collection box (27) is connected with the top end of the bottom plate (1), the dust collection box (27) is provided with a cabin, the left end of the cabin is provided with an air inlet, the right end of the cabin is provided with an air outlet, the air inlet and the air outlet are both communicated with the cabin, the input end of the hose (28) is communicated with the dust collection cover (26), the output end of the hose (28) is communicated with the air inlet of the dust collection box (27), the exhaust fan (29) is mounted at the top end of the bottom plate (1), the input end of the exhaust fan (29) is communicated with the air outlet of the dust collection box.

4. The welding device for valve processing with fixing function as claimed in claim 3, further comprising two sets of anti-slip leather pads (31), wherein the two sets of anti-slip leather pads (31) are respectively arranged on the inner sides of the first clamping plate (24) and the second clamping plate (25).

5. The welding device for valve processing with fixing function as claimed in claim 4, further comprising a fixing ring (32), wherein the fixing ring (32) is arranged at the left end of the second pillar (9) and is sleeved on the hose (28).

6. The welding device with the fixing function for the valve processing as claimed in claim 5, further comprising a fixing nut (33), wherein the fixing nut (33) is sleeved at the right end of the second lead screw (23).

7. The welding device with the fixing function for the valve processing as claimed in claim 6, further comprising a shield (34), wherein the left end of the shield (34) is connected with the right end of the first support column (8), a cavity is arranged in the shield (34), and the two sets of gears (11) are arranged in the cavity.

8. The welding device for machining the valve with the fixing function as claimed in claim 7, further comprising a plurality of sets of supporting legs (35), wherein the plurality of sets of supporting legs (35) are installed at the bottom end of the base plate (1).