CN115635229A

CN115635229A - Intelligent welding robot

Info

Publication number: CN115635229A
Application number: CN202211653234.7A
Authority: CN
Inventors: 赵春喜; 薛守华
Original assignee: Hebei Huayang Precision Machinery Manufacturing Co ltd
Current assignee: Hebei Huayang Precision Machinery Manufacturing Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-01-24
Anticipated expiration: 2042-12-22
Also published as: CN115635229B

Abstract

The application discloses an intelligent welding robot applied to the welding field, through arranging a motor speed reducer and a speed reduction motor, gears and racks are meshed, so that a square pipe upright post and a cantilever beam can be driven to move, the robot body can move in two directions of an XY axis, a rotating motor is recycled, the robot is helped to rotate on a horizontal plane, the flexibility of the robot body is increased, through arranging a depth camera, welding seams of welding workpieces can be captured and transmitted to a robot computer, welding tracks can be automatically planned, through a laser tracking system, the welding seams are tracked by using laser points, when errors exist in the workpieces, automatic deviation rectification is realized, and the automation degree of the robot is improved; through the staggered dust filter plate of a pair of meshes, on one hand, the combined body can move to generate negative pressure to absorb external gas, on the other hand, the combined body can move separately, and the entered smoke is separated from smoke dust to realize the purpose of filtering.

Description

Intelligent welding robot

Technical Field

The application relates to the field of welding, in particular to intelligent welding robot.

Background

With the increase of product types and the continuous improvement of product quality requirements, people have higher and higher requirements on welding processes, many products which are originally welded by manpower start to gradually develop towards automation, and most of work of a welding production line can be completed by the cooperation of a welding robot and a positioner in order to reduce labor cost and greatly improve production efficiency.

The existing welding robot has low automation degree and poor activity, and can not flexibly weld a welding part, so that manual assistance is needed, and the labor burden of workers is increased; moreover, welding process easily produces and welds the cigarette, and it includes welding smoke and dust and welding flue gas, is difficult to concentrate the collection processing with the smoke and dust, leads to having increased the subsequent processing degree of difficulty.

Therefore, the rack and the speed reducer are adopted to help the robot to move better, the rotating disc is driven by the motor to rotate, and the welding position is changed, so that the intelligent welding robot is designed.

Disclosure of Invention

The application aims to solve the problems of low automation degree and poor welding smoke treatment effect of the current welding robot, and compared with the prior art, the intelligent welding robot comprises a square tube structure and is characterized in that a movable base is connected on the square tube structure in a sliding manner, a square tube stand column is fixedly connected at the top of the movable base, a first linear guide rail is arranged at the top of the square tube structure, a first rack is fixedly connected on the linear guide rail, a cable drag chain is arranged on the square tube structure, a motor reducer is arranged on the movable base, a gear is fixedly connected at the output end of the motor reducer, the gear is meshed and connected with the first rack, a movable ground rail is arranged outside the square tube structure, a movable seat is connected at the outer part of the movable ground rail in a sliding manner, a rotating mechanism is fixedly connected on the movable seat, a rotating disk is rotatably connected on the inner wall of the rotating mechanism, a cantilever beam is rotatably connected at the top of the square tube stand column, the outer part of the square tube upright post is provided with a rotating motor, the output end of the rotating motor is fixedly connected with the outer end of a cantilever beam arm, the outer end of the cantilever beam arm is provided with a lifting motor, the bottom of the cantilever beam arm is also provided with a second linear guide rail, the top of the second linear guide rail is fixedly connected with a second rack, the bottom of the cantilever beam is slidably connected with a robot mounting plate, the robot mounting plate is provided with a speed reducing motor, the output end of the speed reducing motor is also fixedly connected with a gear, the gear is meshed with the second rack, the bottom of the robot mounting plate is fixedly connected with a robot body, the top of the robot body is fixedly connected with a depth camera, the depth camera is internally provided with a laser tracking system, the square tube upright post can be driven to move by respectively starting a motor reducer and the speed reducing motor, and utilizing the two motor gears to be respectively meshed with the first rack and the second rack, the robot body can move in two directions of an XY axis, a rotating motor is reused, the robot is helped to rotate on a horizontal plane, the flexibility of the robot body is improved, welding seams of a welding workpiece can be captured by arranging a depth camera and transmitted to a robot computer, welding tracks are automatically planned, the welding seams are tracked by laser points through a laser tracking system, when errors exist in the workpiece, automatic deviation rectification is realized, the automation degree of the robot is improved, through a pair of dust filter plates with staggered meshes, when air needs to be pumped, the robot body can move together to achieve the purpose of sealing, negative pressure is conveniently generated to absorb outside air, when filtering is needed, the robot body can move separately, gas and smoke dust are separated from the entering smoke, the purpose of filtering is realized, the separated smoke dust is contacted with a dust binding film and is adsorbed by the dust binding film, the dust binding film exposed to the smoke dust is slowly replaced under the rotation of a driven roller, and the dust binding film with the full of the adhered smoke dust can be replaced by a clean dust binding film, and the recovery processing work of the smoke dust is finally completed.

Further, the top fixedly connected with of cantilever beam welds the cigarette and collects the cover, and the outer end fixedly connected with of square tubular column welds cigarette purification collection device, and a plurality of evenly distributed's cigarette collecting hole that welds is seted up to the outer end of cantilever beam.

Furthermore, a rotating motor is arranged inside the rotating mechanism, and the output end of the rotating motor is fixedly connected with the rotating disk.

Furthermore, the cantilever beam arm is of a closed structure, one end of the cantilever beam arm is fixedly connected with an air outlet pipe, and the other end of the cantilever beam arm is fixedly connected with an air inlet cover.

Further, the inside that the cantilever beam arm is close to the outlet duct is provided with the negative pressure pump, and the inner wall fixedly connected with baffle that the cantilever beam arm is close to the negative pressure pump, the output fixedly connected with cover of breathing in of negative pressure pump, the one end of cover of breathing in runs through to one side of baffle, and the other end and the outlet duct of negative pressure pump communicate each other.

Furthermore, the inner wall of the cantilever beam arm is connected with a pair of dust filtering plates in a sliding mode, an electromagnet is arranged between the pair of dust filtering plates, the electromagnet is embedded into one side of the pair of dust filtering plates, meshes of the pair of dust filtering plates are staggered with each other, movable grooves are formed in the upper inner wall and the lower inner wall of the cantilever beam arm, the pair of dust filtering plates slide on the inner wall of the cantilever beam arm through sliding blocks and the movable grooves, a pair of elastic ropes is fixedly connected to the inner wall of one end of each movable groove, and the other ends of the elastic ropes are fixedly connected with the bottoms of the pair of dust filtering plates respectively.

Further, the inner wall demountable installation of cantilever beam arm has the resistance board, has seted up the quad slit on the resistance board, the inner wall fixedly connected with intake pipe of quad slit, the inner wall fixedly connected with solenoid valve of intake pipe.

Further, the first receiver of one side fixedly connected with of resistance plate, the opposite side fixedly connected with second receiver of resistance plate, the inside of first receiver is provided with micro motor, micro motor's output fixedly connected with drive roller, the outer wall of drive roller has the adhesive dust membrane around having, and the inner wall of second receiver rotates and is connected with the driven voller, and the one end of adhesive dust membrane is around connecing in the outer wall of driven voller.

Further, the inner wall of first receiver rotates and is connected with a plurality of pinch rolls, and one side butt of adhesive dust membrane is in the outer wall of pinch roll.

Furthermore, a pair of touch switches is arranged on the inner wall of the cantilever arm, an electromagnet is also arranged near the touch switches, and an iron sheet is fixedly connected to one side, close to the electromagnet, of the dust filter plate.

Compare in prior art, the advantage of this application lies in:

1. a linear guide rail: the square tube upright post structure and the robot body mechanism do reciprocating linear motion along the guide rail.

2. Rack: through the gear engagement rack transmission of the speed reducer

3. Cable drag chain: in the process of moving the square tube upright post structure back and forth, in order to prevent the cable from being entangled, abraded, pulled off, hung and scattered, the cable is usually put into a cable drag chain to protect the cable, and the cable can also move back and forth along with the drag chain.

4. A motor reducer: the square tube upright post structure is driven to do reciprocating linear motion along the guide rail, and the running speed is effectively reduced.

5. The lifting motor is characterized in that a sleeve is arranged in the square tube upright post, and a speed reducer screw rod is driven to rotate through the lifting motor so as to adjust the height of the square tube upright post structure.

6. A rotating electric machine: and controlling the cantilever beam to rotate left and right.

7. Mounting the robot: and fixing the robot body structure.

8. The robot body: the lower portion of the plate is mounted.

9. A depth camera: and capturing the welding seam of the welding workpiece, and transmitting the welding seam to a robot computer, thereby automatically planning the welding track.

10. A laser tracking system: the welding line is tracked through the laser spot, and when the workpiece has errors, automatic deviation rectification is realized.

11. Rotating the disc: the welding part is fixed in the middle of the rotating disk and rotated by a proper angle to facilitate welding.

12. Moving the ground rail: the rotating disc structure is made to do reciprocating linear motion along the ground rail.

13. One or more weld fume collecting holes are arranged at the bottom and two sides of the cantilever beam, and the shapes of the weld fume collecting holes include, but are not limited to, round and square. Welding fume collecting covers are arranged on two sides of the cantilever beam.

13. Through the staggered dust filter of a pair of meshes, when needing to bleed, can make its fit act together and reach the confined purpose, conveniently produce the negative pressure and absorb external gas, when needs filter, can make it separately act to carry out gas and smoke and dust separation with the flue gas of entering, realize filterable purpose.

14. The separated smoke dust is contacted with the dust sticking film and adsorbed by the dust sticking film, and the dust sticking film exposed to the smoke dust is slowly replaced under the rotation of the driven roller, so that the dust sticking film fully adhered with the smoke dust can be replaced by a clean dust sticking film, and the recovery processing work of the smoke dust is finally completed.

Drawings

FIG. 1 is an overall block diagram of the present application;

FIG. 2 is a view of another perspective of the present application as a whole;

FIG. 3 is a diagram of a second cantilever arm configuration according to an embodiment of the present application;

FIG. 4 is a block diagram of a cantilever arm of the present application;

FIG. 5 is another perspective view of the cantilever beam of the present application;

FIG. 6 is an enlarged structural view taken at A of FIG. 5 of the present application;

FIG. 7 is a view of the internal structure of a portion of the cantilever arm of the present application;

fig. 8 is an internal structure view of the first storage box and the second storage box of the present application.

The numbering in the figures illustrates:

1. a square tube structure; 2. a welding fume purification and collection device; 3. a motor reducer; 4. a first rack; 5. a first linear guide rail; 6. a cable drag chain; 7. moving the ground rail; 8. a rotating electric machine; 9. rotating the disc; 10. a rotating mechanism; 11. a movable seat; 12. welding a smoke collecting hole; 13. welding a fume collecting cover; 14. a reduction motor; 15. a robot mounting plate; 16. a square tube column; 17. a lifting motor; 18. a second linear guide; 19. a second rack; 20. a cantilever beam; 21. a robot body; 22. a depth camera; 23. a laser tracking system; 24. an air outlet pipe; 25. an air intake hood; 26. a negative pressure pump; 27. a partition plate; 28. a dust filter plate; 29. blocking the plate; 291. an air inlet pipe; 292. a first storage box; 293. a dust sticking film; 294. a second storage box; 295. a driven roller; 296. a drive roller; 297. a pressure roller; 30. an elastic rope.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments in the present application belong to the protection scope of the present application.

Example 1:

the application discloses intelligence welding robot, please refer to fig. 1-2, including square tubular structure 1, sliding connection has the movable base on square tubular structure 1, movable base's top fixedly connected with side tubular column 16, square tubular structure 1's top is provided with first linear guide 5, fixedly connected with first rack 4 on the linear guide 5, square tubular structure 1 is last to be provided with cable tow chain 6, be provided with motor reducer 3 on the movable base, motor reducer 3's output fixedly connected with gear, the meshing connection between gear and the rack 4, square tubular structure 1's outside is provided with removal ground rail 7, the outside sliding connection that removes ground rail 7 removes seat 11, fixedly connected with slewing mechanism 10 on removing seat 11, slewing mechanism 10's inner wall rotates and is connected with rotary disk 9, square tubular column 16's top rotates and is connected with cantilever beam 20, square tubular column 16's outside is provided with rotating electrical machines 8, the output of rotating electrical machines 8 and the fixed connection of cantilever beam arm 20, the outer end of cantilever beam arm 20 is provided with elevator motor 17, the bottom of cantilever beam arm 20 is provided with second linear guide 18 equally, the top fixedly connected with second linear guide 18 of the top fixedly connected with the top of the fixed gear of camera 19, the fixed mounting panel of robot 20 is connected with the camera 14, the top of the fixed mounting panel of the camera system of the laser camera 15, the fixed on the cantilever beam is connected with the camera 14, the camera system of the camera 14.

The first linear guide rail 5 and the second linear guide rail 18 play a role in guiding, so that the square tube upright post 16 and the robot body 21 do reciprocating linear motion along the guide rails.

During operation, the motor reducer 3 and the reduction motor 14 are respectively started, and two motor gears are respectively meshed with the first rack 4 and the second rack 19, so that the square tube stand column 16 can be driven to move, and the robot body 21 can move in two directions of the XY axis. By adopting the motor reducer 3, the running speed can be effectively reduced, the stability of the working process is ensured, and when the robot body 21 needs to rotate on the horizontal plane, the rotating motor can be started.

Through setting up degree of depth camera 22, can catch the welding workpiece welding seam, transmit the robot computer to automatic planning welding track, through laser tracking system, utilize the laser spot tracking welding seam, when the work piece has the error, thereby realize rectifying automatically, according to the welding track, when discovering to need to change suitable angle and weld, can rotate rotary disk 9 in the middle of fixed to rotary disk 9 of welding again, convenient welding.

The top fixedly connected with of cantilever beam 20 welds the cigarette and collects cover 13, and the outer end fixedly connected with of square tube column 16 welds cigarette purification collection device 2, and a plurality of evenly distributed's the cigarette collection hole 12 that welds is seted up to cantilever beam 20's outer end.

The bottom and both sides of the cantilever beam are arranged with a plurality of welding fume collecting holes 12, the shapes of which include but are not limited to round and square. Welding fume collecting covers are arranged on two sides of the cantilever beam.

The rotating motor is arranged in the rotating mechanism, and the output end of the rotating motor is fixedly connected with the rotating disk 9.

Example 2:

the application discloses intelligence welding robot, please refer to fig. 1-2, including square tubular structure 1, a serial communication port, sliding connection has the mobile base on square tubular structure 1, mobile base's top fixedly connected with side tubular column 16, square tubular structure 1's top is provided with first linear guide 5, first rack 4 of fixedly connected with on the linear guide 5, be provided with cable tow chain 6 on the square tubular structure 1, be provided with motor reducer 3 on the mobile base, motor reducer 3's output fixedly connected with gear, meshing connection between wheel and rack 4, square tubular structure 1's outside is provided with removes ground rail 7, the outside sliding connection that removes ground rail 7 has removal seat 11, fixedly connected with slewing mechanism 10 on the removal seat 11, the inner wall of slewing mechanism 10 rotates and is connected with rotary disk 9, square tubular column 16's top rotates and is connected with cantilever beam 20, square tubular column 16's outside is provided with rotating electrical machines 8, rotating electrical machines 8's output and cantilever beam arm 20's outer end fixed connection, cantilever beam arm 20's outer end is provided with elevator motor 17, the bottom of cantilever beam arm 20 is provided with second linear guide 18 equally, second linear guide 18's top fixedly connected with second linear guide 18's top, the top fixedly connected with second linear guide 18's 19 is connected with cantilever beam arm 19, the fixed electrical machines 19's 15 mounting panel's that the camera is connected with the camera 15 is connected with the camera of the same camera 15 of the bottom of robot mounting panel 15, the same camera system of robot's mounting panel 14 is connected with the camera that is connected with the camera of the camera 14, the camera system of the same camera that is connected with the robot's top of the robot's that is connected with the robot's mounting panel 14, the camera system is connected with the camera 14, the camera of the same camera system of the robot's that the same camera 14.

The inside of the rotating mechanism is provided with a rotating motor, and the output end of the rotating motor is fixedly connected with the rotating disk 9.

Referring to fig. 3, the cantilever arm 20 is a closed structure, one end of the cantilever arm 20 is fixedly connected with an air outlet pipe 24, and the other end of the cantilever arm 20 is fixedly connected with an air inlet cover 25.

Referring to fig. 4-5, a negative pressure pump 26 is disposed inside the cantilever beam arm 20 near the air outlet pipe 24, a partition plate 27 is fixedly connected to the inner wall of the cantilever beam arm 20 near the negative pressure pump 26, an output end of the negative pressure pump 26 is fixedly connected with an air suction cover, one end of the air suction cover penetrates through one side of the partition plate 27, and the other end of the negative pressure pump 26 is communicated with the air outlet pipe 24.

Referring to fig. 7, a pair of dust filter plates 28 is slidably connected to an inner wall of the cantilever arm 20, an electromagnet is disposed between the pair of dust filter plates 28, the electromagnet is embedded in one side of the pair of dust filter plates 28, meshes of the pair of dust filter plates 28 are staggered, a movable groove is formed in upper and lower inner walls of the cantilever arm 20, the pair of dust filter plates 28 slide on the inner wall of the cantilever arm 20 through a slider and the movable groove, a pair of elastic ropes 30 is fixedly connected to an inner wall at one end of the movable groove, and the other ends of the pair of elastic ropes 30 are fixedly connected to bottoms of the pair of dust filter plates 28, respectively.

Referring to fig. 6, a baffle 29 is detachably mounted on the inner wall of the cantilever arm 20, a square hole is formed in the baffle 29, an air inlet pipe 291 is fixedly connected to the inner wall of the square hole, and an electromagnetic valve is fixedly connected to the inner wall of the air inlet pipe 291.

Referring to fig. 8, a first storage box 292 is fixedly connected to one side of the blocking plate 29, a second storage box 294 is fixedly connected to the other side of the blocking plate 29, a micro motor is disposed inside the first storage box 292, a driving roller 296 is fixedly connected to an output end of the micro motor, a dust-sticking film 293 is wound around an outer wall of the driving roller 296, a driven roller 295 is rotatably connected to an inner wall of the second storage box 294, and one end of the dust-sticking film 293 is wound around an outer wall of the driven roller 295.

A plurality of pressure rollers 297 are rotatably connected to the inner wall of the first storage case 292, and one side of the dust-sticking film 293 abuts against the outer wall of the pressure rollers 297.

A pair of touch switches are arranged on the inner wall of the cantilever beam arm 20, electromagnets are arranged near the touch switches, and iron sheets are fixedly connected to one side of the dust filter plate 28 close to the electromagnets.

When the welding fume collecting device works, in an initial state, the pair of dust filter plates 28 are positioned on the right side of the inner cavity of the cantilever arm, due to the fact that meshes of the two dust filter plates 28 are staggered, a closed space is formed between the partition plate 27 and the pair of dust filter plates 28, when welding fume collection is needed, the negative pressure pump 26 is started, air on the right side of the partition plate 27 is sucked by the negative pressure pump 26, the air pressure and the air move leftwards together under the action of air pressure, negative pressure is generated on the outer side of the baffle plate 29, welding fume is absorbed by the air inlet hood 25, when the pair of dust filter plates 28 move to a left specific position, the touch switch is touched, the negative pressure pump 26 is closed, the electromagnetic valve of the air collecting pipe 291 is also closed, finally the electromagnet between the pair of dust filter plates 28 and the electromagnet corresponding to the right dust filter plate 28 are disconnected, the right dust filter plate 28 begins to squeeze the air under the action of the elastic rope 30, the air is filtered, the smoke is squeezed to the right side until the electromagnet moves to the right specific position, and is adsorbed by the electromagnet at the right side, and the dust filter plate 28 is gradually closes again to the dust filter plate. The process is repeated in this way, and the product can be recycled.

During the operation of the right dust filter 28, the more the smoke dust on the right side gathers, the dust starts to be adsorbed by the dust-binding film, the rotation speed of the micro motor of the driving roller is adjusted by the controller, the dust-binding film with the full smoke dust is wound by the driven roller 295, and the dust-binding film on the left side can be always adhered to the smoke dust.

One side of the dust-binding film 293 has a certain adhesiveness.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be covered by the present application in the technical scope disclosed in the present application, and the technical solutions and the modified concepts thereof should be equally replaced or changed within the scope of the present application.

Claims

1. The utility model provides an intelligent welding robot, includes square tubular construction (1), its characterized in that, sliding connection has the movable base on square tubular construction (1), the top fixedly connected with side's of movable base side's tubular column (16), the top of square tubular construction (1) is provided with first linear guide (5), fixedly connected with first rack (4) on linear guide (5), be provided with cable tow chain (6) on square tubular construction (1), be provided with motor reducer (3) on the movable base, the output fixedly connected with gear of motor reducer (3), the meshing is connected between gear and first rack (4), the outside of square tubular construction (1) is provided with removes ground rail (7), the outside sliding connection that removes ground rail (7) has removal seat (11), fixedly connected with slewing mechanism (10) on removal seat (11), the inner wall rotation of slewing mechanism (10) is connected with rotary disk (9), the top rotation of square tubular construction (16) is connected with cantilever beam (20), the outside of square tubular column (16) is provided with rotating electrical machines (8), the output of rotating electrical machines (8) and the cantilever beam (20) are connected with the cantilever beam (20), the cantilever beam bottom suspension arm (17) of second cantilever beam (18) is provided with the same lifting beam (17), the top fixedly connected with second rack (19) of second linear guide (18), the bottom sliding connection of cantilever beam (20) has robot mounting panel (15), be provided with gear motor (14) on robot mounting panel (15), the same fixedly connected with gear of output of gear motor (14), the meshing is connected between gear and second rack (19), the bottom fixedly connected with robot body (21) of robot mounting panel (15), the top fixedly connected with degree of depth camera (22) of robot body (21), the inside of degree of depth camera (22) is provided with laser tracker (23).

2. The intelligent welding robot of claim 1, wherein the top of the cantilever beam (20) is fixedly connected with a welding fume collecting cover (13), the outer end of the square tube column (16) is fixedly connected with a welding fume purifying and collecting device (2), and the outer end of the cantilever beam (20) is provided with a plurality of uniformly distributed welding fume collecting holes (12).

3. The intelligent welding robot as claimed in claim 2, wherein a rotating motor is arranged inside the rotating mechanism, and the output end of the rotating motor is fixedly connected with the rotating disk (9).

4. The intelligent welding robot as claimed in claim 1, wherein the cantilever arm (20) is of a closed structure, an air outlet pipe (24) is fixedly connected to one end of the cantilever arm (20), and an air inlet cover (25) is fixedly connected to the other end of the cantilever arm (20).

5. The intelligent welding robot of claim 4, characterized in that a negative pressure pump (26) is arranged inside the cantilever beam arm (20) close to the air outlet pipe (24), a partition plate (27) is fixedly connected to the inner wall of the cantilever beam arm (20) close to the negative pressure pump (26), an air suction cover is fixedly connected to the output end of the negative pressure pump (26), one end of the air suction cover penetrates through one side of the partition plate (27), and the other end of the negative pressure pump (26) is communicated with the air outlet pipe (24).

6. The intelligent welding robot as claimed in claim 5, wherein a pair of dust filter plates (28) is slidably connected to an inner wall of the cantilever arm (20), an electromagnet is arranged between the pair of dust filter plates (28), the electromagnet is embedded in one side of the pair of dust filter plates (28), meshes of the pair of dust filter plates (28) are staggered, movable grooves are formed in upper and lower inner walls of the cantilever arm (20), the pair of dust filter plates (28) slide on the inner wall of the cantilever arm (20) through sliding blocks and the movable grooves, a pair of elastic ropes (30) is fixedly connected to an inner wall of one end of each movable groove, and the other ends of the pair of elastic ropes (30) are fixedly connected to bottoms of the pair of dust filter plates (28) respectively.

7. The intelligent welding robot as claimed in claim 6, wherein a baffle (29) is detachably mounted on the inner wall of the cantilever arm (20), a square hole is formed in the baffle (29), an air inlet pipe (291) is fixedly connected to the inner wall of the square hole, and an electromagnetic valve is fixedly connected to the inner wall of the air inlet pipe (291).

8. The intelligent welding robot as claimed in claim 7, wherein a first storage box (292) is fixedly connected to one side of the blocking plate (29), a second storage box (294) is fixedly connected to the other side of the blocking plate (29), a micro motor is arranged inside the first storage box (292), a driving roller (296) is fixedly connected to an output end of the micro motor, a dust-sticking film (293) is wound on an outer wall of the driving roller (296), a driven roller (295) is rotatably connected to an inner wall of the second storage box (294), and one end of the dust-sticking film (293) is wound on an outer wall of the driven roller (295).

9. The intelligent welding robot as claimed in claim 8, wherein a plurality of pressure rollers (297) are rotatably connected to the inner wall of the first storage case (292), and one side of the dust-sticking film (293) abuts against the outer wall of the pressure rollers (297).

10. The intelligent welding robot as claimed in claim 1, wherein a pair of touch switches are arranged on the inner wall of the cantilever beam arm (20), an electromagnet is also arranged near the touch switches, and an iron sheet is fixedly connected to one side of the dust filter plate (28) close to the electromagnet.