A large-diameter air duct automatic welding robot

By designing a large-diameter air duct automation welding robot, the adjustment device and positioning device are used to achieve accurate positioning and fixing of the air duct. Combined with the automated welding of the robot arm and the welding head, the welding difficulty and efficiency problems are solved, and the welding effect is achieved with high accuracy and high efficiency.

CN119772436APending Publication Date: 2025-04-08SHENZHEN LAUN CLEAN TECH CO LTD
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Patent Information

Application Number
CN202510059792.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-04-08

AI Technical Summary

Technical Problem

Existing welding robots are difficult to achieve precise docking and fixing when welding large-diameter air ducts, resulting in increased welding difficulty, easy deformation of the air duct, affecting the welding effect, and relying on manual adjustment of the air duct position, affecting the welding efficiency.

Method used

An automated welding robot for large-diameter air ducts is designed, and the adjustment device and positioning device are used to accurately locate and fix the air ducts to be welded, and automated welding is achieved through the robotic arm and the welding head, and the air duct is prevented from deforming by pressing the components and the solenoid.

Benefits of technology

It improves welding accuracy and efficiency, avoids air duct deformation, reduces manual intervention, adapts to air ducts of different models and shapes, and improves the performance of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an automatic welding robot for large-caliber air ducts, including a welding component, one side of the welding component is fixedly connected to a supporting component, the other side of the supporting component is fixedly connected to an adjusting device, both ends of the top of the adjusting device are provided with positioning devices, and the outer surface of one side of the positioning device is sleeved with a processing air duct. The above scheme uses the positioning devices at both ends of the adjusting device to position and fix the processing air ducts to be welded at both ends. At the same time, by adjusting the moving distance of the sliding block inside the fixed track, the movement and positioning of the processing air ducts at both ends are adjusted, thereby improving the welding accuracy of the welding robot, and through the support of the positioning rod, it is prevented that the welding head is pressed on the surface of the processing air duct during welding, causing the processing air duct to deform and affect the welding accuracy of the processing air duct. By adjusting the welding angle and position of the processing air duct, it can adapt to processing air ducts of different models and shapes, thereby improving the performance of the device.
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Description

Technical Field

[0001] The present invention relates to the technical field of air duct welding, and more specifically, to an automatic welding robot for large-caliber air ducts. Background Art

[0002] As exhaust pipe accessories, air ducts are mainly used in fresh air systems, air conditioning systems, smoke exhaust systems, etc., so that the air volume can be discharged along the air duct. In the past, square air ducts were the most commonly used air duct structure. The square air duct is usually welded manually during the process: first, four angle irons cut into predetermined lengths are manually placed on the welding machine by the staff, the four angle irons are positioned by the positioning mechanism, and then the welding device is started to weld and fix the contact points of the ends of the two adjacent angle irons.

[0003] With the development and progress of science and technology, nowadays, fully automated welding robots are mostly used to realize automated welding, but there are still some shortcomings: in the process of welding air ducts by existing welding robots, since some air ducts are large-diameter air ducts, the pipe walls of such large-diameter air ducts are generally relatively thin, and it is difficult to accurately dock and fix them, which increases the difficulty of welding. In addition, during the welding process, the air duct is easily deformed due to uneven force, which affects the welding effect of the air duct. In addition, when welding, the welding robot sometimes still relies on manual adjustment of the position of the air duct, which affects the welding efficiency of the air duct. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides an automated welding robot for large-diameter air ducts, which improves the welding accuracy of the welding robot and, through the support of the positioning rod, prevents the welding head from pressing on the surface of the processed air duct during welding, causing deformation of the processed air duct and affecting the welding accuracy of the processed air duct. The robot can be adapted to processed air ducts of different models and shapes, thereby improving the performance of the device and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic welding robot for large-diameter air ducts, comprising a welding component, one side of the welding component is fixedly connected to a supporting component, the other side of the supporting component is fixedly connected to an adjusting device, both ends of the top of the adjusting device are provided with positioning devices, and the outer surface of one side of the positioning device is sleeved with a processed air duct; the welding component comprises a moving track, one side of the moving track is fixedly connected to an operating table, a moving base is slidably installed inside the moving track, a driving assembly and a moving drag chain are arranged inside the moving track, the driving assembly and the moving drag chain are connected to the moving base, and the moving A mechanical arm is arranged on the top of the base, a rotating frame is rotatably mounted on one end of the mechanical arm, a welding head is fixedly connected to one side of the rotating frame, and a first pressing assembly is rotatably mounted on the other end of the rotating frame; the first pressing assembly includes a rotating frame, the top of the rotating frame is rotatably mounted on a side of the rotating frame away from the welding head, a movable frame is rotatably mounted on the bottom of the rotating frame, a movable inner rod is movably sleeved inside the movable frame, a supporting frame is fixedly connected to the bottom of the movable inner rod, pressing wheels are rotatably mounted on both sides of the supporting frame, a first magnet is fixedly connected to the middle end of the supporting frame, and a reset spring is arranged between the movable frame and the movable inner rod.

[0006] In a preferred embodiment, the adjusting device includes a fixed rail, both ends of the bottom of the fixed rail are fixedly connected with an adjusting drive, a belt transmission part is provided on one side of the adjusting drive, both ends of the interior of the fixed rail are rotatably installed with moving screws, one side of the moving screw is fixedly connected to one end of the belt transmission part, both sides of the two ends of the interior of the fixed rail are fixedly connected with sliding rods, the outer surface of the moving screw is threadedly connected with a sliding block, the sliding block is slidably installed on the outer surface of the sliding rod, the sliding blocks are respectively slidably installed on the two ends of the interior of the fixed rail, the top of the sliding block is fixedly connected with a fixed frame, the top of the fixed frame is fixedly connected with a lifting cylinder, the bottom of the lifting cylinder is fixedly connected with a lifting frame slidably installed inside the fixed frame, a rotating motor is provided inside the lifting frame, and one side of the rotating motor is fixedly connected to the positioning device.

[0007] In a preferred embodiment, the positioning device includes a rotating plate, one side of the rotating plate is fixedly connected to a rotating shaft, one end of the rotating shaft is connected to a rotating motor, the rotating shaft is rotatably installed inside the lifting frame, one side of the top of the rotating plate is fixedly connected to a flip motor, one side of the flip motor is provided with a driving gear, and a socket assembly is rotatably installed inside the rotating plate.

[0008] In a preferred embodiment, the sleeve assembly includes a flip frame, one side of the flip frame is fixedly connected to a transmission gear, the flip frame is rotatably mounted inside the rotating plate, and the outer surface of the transmission gear is meshed with the outer surface of the driving gear.

[0009] In a preferred embodiment, telescopic cylinders are fixedly connected to both sides of the turning frame, and support frames are fixedly connected to the sides of the telescopic cylinders. The support frames are movably mounted on both sides of the turning frame.

[0010] In a preferred embodiment, the support frame is fixedly connected to an expansion cylinder inside, and positioning rods are slidably installed on both sides of the support frame. The positioning rods on both sides of the support frame are respectively fixedly connected to the expansion cylinder, and a side of the positioning rod close to the support frame is fixedly connected to a limiting rod, and the limiting rod is movably sleeved on one side of the support frame. An electromagnet is fixedly connected to the inside of the positioning rod, and the sleeve assembly is movably sleeved on the inside of the processing air duct.

[0011] In a preferred embodiment, the support component includes a support platform, a sliding groove is provided inside the support platform, two sides of the support platform are respectively fixedly connected to the welding component and the adjusting device, and the sliding groove is located above the welding component and the adjusting device.

[0012] In a preferred embodiment, one side of the support platform is fixedly connected to a driving motor, one side of the driving motor is fixedly connected to a rotating screw, the rotating screw is rotatably installed inside the support platform, both sides of the sliding groove are fixedly connected to sleeve rods, the sliding groove has a sliding frame slidably installed inside, the two ends of the sliding frame are movably sleeved on the outer surface of the sleeve rod, and the bottom of the sliding frame is threadedly connected to the outer surface of the rotating screw.

[0013] In a preferred embodiment, both sides of the top of the sliding frame are fixedly connected with a pushing cylinder, one side of the pushing cylinder is fixedly connected with a second pressing component identical to the first pressing component, the second pressing component is slidably installed on the top of the sliding frame, and one side of the second pressing component is in contact with the outer side of the processed air duct.

[0014] Technical effects and advantages of the present invention:

[0015] 1. The present invention arranges an adjustment device and utilizes the positioning devices at both ends of the adjustment device to position and fix the processed air ducts to be welded at both ends. At the same time, by adjusting the moving distance of the sliding block inside the fixed track, the movement and positioning of the processed air ducts at both ends are adjusted, thereby improving the welding accuracy of the welding robot.

[0016] 2. After the welding of one side of the processed air duct is completed, the present invention sets a flip motor to control the transmission gears at both ends to rotate synchronously, so that the socket components at both ends drive the processed air duct to rotate to different angles, thereby facilitating the welding head to weld different positions of the processed air duct, and there is no need for manual intervention to adjust the position of the processed air duct, thereby improving the welding efficiency of the processed air duct.

[0017] 3. The present invention is started by an electromagnet to generate magnetism. At this time, when the robotic arm causes the welding head to weld the processed air duct, the sleeve assembly will generate magnetic attraction to the first magnet, causing the first magnet to fit on the outer surface of the processed air duct, thereby realizing the first pressing assembly pressing one side of the edge of the processed air duct. In addition, the pushing cylinder will push the second pressing assembly to move to one side of the processed air duct, and the sleeve assembly will magnetically attract the second pressing assembly, so that the second pressing assembly can press the other side of the edge of the processed air duct. The support of the positioning rod can prevent the welding head from pressing on the surface of the processed air duct during welding, causing the processed air duct to deform and affecting the welding accuracy of the processed air duct.

[0018] 4. The present invention sets rotating motors at both ends to control the rotating shaft and the rotating plate to rotate accordingly, thereby adjusting the rotation angle of the processed air ducts at both ends, and adjusting the driving and belt transmission parts to make the processed air ducts at both ends close to and fit each other, thereby adjusting the welding angle and position of the processed air ducts, so that the device can adapt to processed air ducts of different models and shapes, thereby improving the performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the working state structure of the welding robot of the present invention.

[0021] Figure 3 It is a schematic diagram of the structure of the welding component of the present invention.

[0022] Figure 4 It is a schematic structural diagram of the first pressing assembly of the present invention.

[0023] Figure 5 It is a schematic diagram of the internal structure of the supporting component of the present invention.

[0024] Figure 6 It is a schematic diagram of the structure of the regulating device of the present invention.

[0025] Figure 7 It is a schematic diagram of the structure of the positioning device of the present invention.

[0026] Figure 8 It is a schematic diagram of the expanded structure of the positioning device of the present invention.

[0027] The accompanying drawings are marked as follows: 1. welding component; 2. supporting component; 3. adjusting device; 4. positioning device; 5. processing air duct; 11. moving track; 12. operating table; 13. moving drag chain; 14. moving base; 15. mechanical arm; 16. rotating frame; 17. welding head; 18. first pressing assembly; 181. rotating frame; 182. movable frame; 183. movable inner rod; 184. supporting frame; 185. pressing wheel; 186. first magnet; 187. reset spring; 21. supporting table; 22. driving motor; 23. rotating screw; 24. sliding groove; 25. sleeve rod; 26. sliding Moving frame; 27, pushing cylinder; 28, second pressing assembly; 31, fixed track; 32, adjustment drive; 33, belt transmission; 34, moving screw; 35, sliding rod; 36, sliding block; 37, fixed frame; 38, lifting cylinder; 39, lifting frame; 310, rotating motor; 41, rotating plate; 42, rotating shaft; 43, flipping motor; 44, driving gear; 45, socket assembly; 451, flipping frame; 452, transmission gear; 453, telescopic cylinder; 454, support frame; 455, unfolding cylinder; 456, positioning rod; 457, electromagnet; 458, limit rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] First embodiment

[0030] As attached Figure 1 , 6 and 8 are an embodiment of the present invention, by setting an adjustment device 3, using the positioning devices 4 at both ends of the adjustment device 3, the processing air ducts 5 to be welded at both ends are positioned and fixed, thereby improving the welding accuracy of the welding robot. At the same time, by adjusting the moving distance of the sliding block 36 inside the fixed track 31, the movement and positioning of the processing air ducts 5 at both ends are adjusted.

[0031] A large-diameter air duct automatic welding robot comprises a welding component 1, one side of the welding component 1 is fixedly connected to a supporting component 2, the other side of the supporting component 2 is fixedly connected to an adjusting device 3, both ends of the top of the adjusting device 3 are provided with positioning devices 4, and the outer surface of one side of the positioning device 4 is sleeved with a processing air duct 5; the welding component 1 comprises a moving track 11, one side of the moving track 11 is fixedly connected to an operating table 12, a moving base 14 is slidably installed inside the moving track 11, a driving component and a moving drag chain 13 are arranged inside the moving track 11, the driving component and the moving drag chain 13 are connected to the moving base 14, a mechanical arm 15 is arranged on the top of the moving base 14, a rotating frame 16 is rotatably installed on one end of the mechanical arm 15, a welding machine head 17 is fixedly connected to one side of the rotating frame 16, and a first pressing component 18 is rotatably installed on the other end of the rotating frame 16.

[0032] As attached Figure 6 As shown, the adjusting device 3 includes a fixed rail 31, both ends of the bottom of the fixed rail 31 are fixedly connected with an adjusting drive 32, one side of the adjusting drive 32 is provided with a belt transmission member 33, both ends of the interior of the fixed rail 31 are rotatably installed with moving screws 34, one side of the moving screw 34 is fixedly connected to one end of the belt transmission member 33, both sides of the two ends of the interior of the fixed rail 31 are fixedly connected with sliding rods 35, the outer surface of the moving screw 34 is threadedly connected with a sliding block 36, the sliding block 36 is slidably installed on the outer surface of the sliding rod 35, the sliding blocks 36 are slidably installed on the two ends of the interior of the fixed rail 31 respectively, the top of the sliding block 36 is fixedly connected with a fixed frame 37, the top of the fixed frame 37 is fixedly connected with a lifting cylinder 38, the bottom of the lifting cylinder 38 is fixedly connected with a lifting frame 39 slidably installed inside the fixed frame 37, a rotating motor 310 is provided inside the lifting frame 39, and one side of the rotating motor 310 is fixedly connected to the positioning device 4.

[0033] Two adjustment drives 32 and belt transmission parts 33 are independently set at the two ends of the bottom of the fixed track 31. According to the welding requirements, when a processing air duct 5 is welded, the adjustment drives 32 at both ends are started synchronously, so that the sliding block 36 drives the positioning device 4 to move toward each other and move to the two ends of the processing air duct 5, so that the positioning device 4 fixes the single processing air duct 5. In addition, when two processing air ducts 5 are spliced ​​and welded, the two processing air ducts 5 are placed on the supporting component 2, and the processing air ducts 5 are fixed respectively by the positioning devices 4 on the sides of the adjustment device 3, and the movement of the sliding blocks 36 at both ends is adjusted according to the different lengths of the two processing air ducts 5, thereby realizing the splicing and welding of the processing air ducts 5.

[0034] As attached Figure 7-8As shown, the positioning device 4 includes a rotating plate 41, one side of the rotating plate 41 is fixedly connected with a rotating shaft 42, one end of the rotating shaft 42 is connected to the rotating motor 310, the rotating shaft 42 is rotatably installed inside the lifting frame 39, one side of the top of the rotating plate 41 is fixedly connected with a flipping motor 43, one side of the flipping motor 43 is provided with a driving gear 44, and a socket assembly 45 is rotatably installed inside the rotating plate 41.

[0035] The sleeve assembly 45 includes a flip frame 451 , one side of which is fixedly connected with a transmission gear 452 . The flip frame 451 is rotatably mounted inside the rotating plate 41 , and the outer surface of the transmission gear 452 is meshed with the outer surface of the driving gear 44 .

[0036] The two sides of the turning frame 451 are fixedly connected with telescopic cylinders 453 , and the sides of the telescopic cylinders 453 are fixedly connected with support frames 454 . The support frames 454 are movably installed on the two sides of the turning frame 451 .

[0037] When the welding of one side of the processing air duct 5 is completed, the turning motor 43 is set to control the transmission gears 452 at both ends to rotate synchronously, so that the socket assemblies 45 at both ends drive the processing air duct 5 to rotate to different angles, thereby facilitating the welding head 17 to weld different positions of the processing air duct 5.

[0038] When the socket assembly 45 is socketed inside the processing air duct 5 and the telescopic cylinder 453 is started synchronously, the support frame 454 will be expanded to both sides, so that the processing air duct 5 is positioned on both sides of the socket assembly 45. Subsequently, the expansion cylinder 455 inside the support frame 454 is started synchronously, and the positioning rod 456 will move to both sides inside the processing air duct 5, thereby supporting and fixing the inside of the processing air duct 5.

[0039] Among them, the inside of the support frame 454 is fixedly connected with an expansion cylinder 455, and positioning rods 456 are slidably installed on both sides of the support frame 454. The positioning rods 456 on both sides of the support frame 454 are respectively fixedly connected to the expansion cylinder 455, and the positioning rod 456 is fixedly connected to a limiting rod 458 on one side of the support frame 454. The limiting rod 458 is movably sleeved on one side of the support frame 454, and the inside of the positioning rod 456 is fixedly connected with an electromagnet 457, and the sleeve assembly 45 is movably sleeved on the inside of the processing air duct 5.

[0040] Second embodiment

[0041] As attached Figure 1, 3-6,8 is an embodiment of the present invention, which is started by the electromagnet 457 to generate magnetism. At this time, when the robot arm 15 causes the welding head 17 to weld the processing air duct 5, the sleeve component 45 will generate magnetic attraction to the first magnet 186, so that the first magnet 186 is attached to the outer surface of the processing air duct 5, thereby realizing the first pressing component 18 pressing one side of the edge of the processing air duct 5. In addition, the push cylinder 27 will push the second pressing component 28 to move to one side of the processing air duct 5, and the sleeve component 45 will use the magnetic attraction of the second pressing component 28 to enable the second pressing component 28 to press the other side of the edge of the processing air duct 5, and through the support of the positioning rod 456, it is prevented that the welding head 17 is pressed on the surface of the processing air duct 5 during welding, causing the processing air duct 5 to deform and affect the welding accuracy of the processing air duct 5.

[0042] The second embodiment is further optimized relative to the first embodiment in that the first pressing assembly 18 includes a rotating frame 181, the top of the rotating frame 181 is rotatably mounted on the side of the rotating frame 16 away from the welding head 17, the bottom of the rotating frame 181 is rotatably mounted with a movable frame 182, the interior of the movable frame 182 is movably sleeved with a movable inner rod 183, the bottom of the movable inner rod 183 is fixedly connected with a support frame 184, both sides of the support frame 184 are rotatably mounted with pressing wheels 185, the middle end of the support frame 184 is fixedly connected with a first magnet 186, and a reset spring 187 is arranged between the movable frame 182 and the movable inner rod 183.

[0043] A pressing wheel 185 is provided, and the first magnet 186 is used to press the edge of the processing air duct 5 through the magnetic attraction of the first magnet 186. The pressing wheel 185 is used to make the position where the first pressing component 18 presses the processing air duct 5 move along with the movement of the welding head 17, thereby achieving comprehensive welding of the processing air duct 5.

[0044] The supporting component 2 includes a supporting platform 21 , and a sliding groove 24 is provided inside the supporting platform 21 . Both sides of the supporting platform 21 are fixedly connected to the welding component 1 and the adjusting device 3 , respectively, and the sliding groove 24 is located above the welding component 1 and the adjusting device 3 .

[0045] Among them, one side of the support platform 21 is fixedly connected to a driving motor 22, one side of the driving motor 22 is fixedly connected to a rotating screw 23, the rotating screw 23 is rotatably installed inside the support platform 21, both sides of the sliding groove 24 are fixedly connected to a sleeve rod 25, the sliding groove 24 is slidably installed with a sliding frame 26, both ends of the sliding frame 26 are movably sleeved on the outer surface of the sleeve rod 25, and the bottom of the sliding frame 26 is threadedly connected to the outer surface of the rotating screw 23.

[0046] By setting up a driving motor 22, the rotating screw 23 controls the movement of the sliding frame 26 inside the sliding groove 24, so that the second pressing component 28 moves on the side of the processing air duct 5 and moves in coordination with the movement of the welding head 17 to assist in supporting the processing air duct 5, thereby improving the welding effect of the processing air duct 5.

[0047] Among them, both sides of the top of the sliding frame 26 are fixedly connected with a pushing cylinder 27, and one side of the pushing cylinder 27 is fixedly connected with a second pressing component 28 that is the same as the first pressing component 18. The second pressing component 28 is slidably installed on the top of the sliding frame 26, and one side of the second pressing component 28 is in contact with the outer side of the processing air duct 5.

[0048] Third embodiment

[0049] As attached Figure 2 ,6-8 is an embodiment of the present invention. In order to further adapt to processing air ducts 5 of different models and shapes, by setting a rotating motor 310 at both ends, the rotating shaft 42 and the rotating plate 41 are controlled to rotate correspondingly, thereby adjusting the rotation angle of the processing air ducts 5 at both ends, and by adjusting the drive 32 and the belt transmission part 33, the processing air ducts 5 at both ends are close to and fit each other, thereby adjusting the welding angle and position of the processing air duct 5.

[0050] The third embodiment is further optimized relative to the second embodiment in that the positioning device 4 includes a rotating plate 41, one side of the rotating plate 41 is fixedly connected with a rotating shaft 42, one end of the rotating shaft 42 is connected to a rotating motor 310, the rotating shaft 42 is rotatably installed inside the lifting frame 39, one side of the top of the rotating plate 41 is fixedly connected with a flipping motor 43, one side of the flipping motor 43 is provided with a driving gear 44, and a socket assembly 45 is rotatably installed inside the rotating plate 41.

[0051] The rotating motor 310 is used to control the rotating plate 41 to rotate to different tilt angles, and the adjustment drive 32 at both ends of the fixed track 31 is cooperated to make the processing air ducts 5 at both ends of the adjustment device 3 close to each other, thereby realizing the welding of the two processing air ducts 5 at tilt angles, thereby increasing the welding range.

[0052] The sleeve assembly 45 includes a flip frame 451 , one side of which is fixedly connected with a transmission gear 452 . The flip frame 451 is rotatably mounted inside the rotating plate 41 , and the outer surface of the transmission gear 452 is meshed with the outer surface of the driving gear 44 .

[0053] Working principle of the present invention: when in use, according to welding requirements, when welding a processing air duct 5, by synchronously starting the adjustment drive 32 at both ends, the sliding block 36 drives the positioning device 4 to move toward each other, and moves to the two ends of the processing air duct 5, so that the positioning device 4 fixes the single processing air duct 5. In addition, when splicing and welding two processing air ducts 5, the two processing air ducts 5 are placed on the supporting component 2, and the positioning device 4 on the side of the adjustment device 3 is used to fix the processing air ducts 5 at both ends respectively, and the movement of the sliding blocks 36 at both ends is adjusted according to the different lengths of the two processing air ducts 5, thereby realizing the splicing and welding of the processing air ducts 5;

[0054] When the adjusting device 3 controls the positioning device 4 to be sleeved inside the processing air duct 5, the sleeve assembly 45 enters the inner cavity of the processing air duct 5, and the telescopic cylinder 453 is started synchronously, the support frame 454 will move to the left and right sides, so that the processing air duct 5 is supported and positioned on the outer surfaces of both sides of the sleeve assembly 45, and then the expansion cylinder 455 inside the support frame 454 is started synchronously, and the positioning rod 456 will move up and down inside the processing air duct 5, thereby supporting and fixing the inside and corners of the processing air duct 5;

[0055] At this time, the robot arm 15 descends, so that the welding head 17 is attached to the welding position of the processing air duct 5, and the sleeve assembly 45 is started to adsorb the first magnet 186 at the bottom of the rotating frame 16, so that the first magnet 186 is attached to the outer surface of the processing air duct 5, thereby realizing the first pressing assembly 18 pressing one side of the edge of the processing air duct 5. In addition, the push cylinder 27 will push the second pressing assembly 28 to move to one side of the processing air duct 5, and the sleeve assembly 45 will use the magnetic attraction of the second pressing assembly 28 to enable the second pressing assembly 28 to press the other side of the edge of the processing air duct 5, and support the processing air duct 5 through the positioning rod 456. By setting a driving motor 22, the rotating screw 23 controls the movement of the sliding frame 26 in the sliding groove 24, so that the second pressing assembly 28 moves on the side of the processing air duct 5, and moves in coordination with the movement of the welding head 17, and assists in supporting and fixing the processing air duct 5.

[0056] In addition, in order to further adapt to processing air ducts 5 of different models and shapes, by setting a rotating motor 310 at both ends, the rotating shaft 42 and the rotating plate 41 are controlled to rotate accordingly, thereby adjusting the rotation angle of the processing air ducts 5 at both ends, and by adjusting the drive 32 and the belt transmission part 33, the processing air ducts 5 at both ends are brought close to and fitted with each other, thereby adjusting the welding angle and position of the processing air duct 5.

[0057] Finally, a few points should be explained: the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-diameter air duct automatic welding robot, comprising a welding component (1), characterized in that: One side of the welding component (1) is fixedly connected to a supporting component (2), the other side of the supporting component (2) is fixedly connected to an adjusting device (3), both ends of the top of the adjusting device (3) are provided with positioning devices (4), and one side of the positioning device (4) is sleeved with a processing air duct (5) on its outer surface; The welding component (1) comprises a movable track (11), one side of the movable track (11) is fixedly connected to an operating table (12), a movable base (14) is slidably installed inside the movable track (11), a driving component and a movable drag chain (13) are arranged inside the movable track (11), the driving component and the movable drag chain (13) are connected to the movable base (14), a mechanical arm (15) is arranged on the top of the movable base (14), one end of the mechanical arm (15) is rotatably installed with a rotating frame (16), one side of the rotating frame (16) is fixedly connected to a welding machine head (17), and the other end of the rotating frame (16) is rotatably installed with a first pressing component (18); The first pressing assembly (18) comprises a rotating frame (181), the top of the rotating frame (181) is rotatably mounted on a side of the rotating frame (16) away from the welding machine head (17), the bottom of the rotating frame (181) is rotatably mounted with a movable frame (182), the interior of the movable frame (182) is movably sleeved with a movable inner rod (183), the bottom of the movable inner rod (183) is fixedly connected with a support frame (184), both sides of the support frame (184) are rotatably mounted with pressing wheels (185), the middle end of the support frame (184) is fixedly connected with a first magnet (186), and a return spring (187) is arranged between the movable frame (182) and the movable inner rod (183).

2. The large-diameter air duct automatic welding robot according to claim 1 is characterized in that: The adjusting device (3) comprises a fixed track (31), both ends of the bottom of the fixed track (31) are fixedly connected to an adjusting drive (32), one side of the adjusting drive (32) is provided with a belt transmission member (33), both ends of the interior of the fixed track (31) are rotatably mounted with moving screws (34), one side of the moving screw (34) is fixedly connected to one end of the belt transmission member (33), both sides of the two ends of the interior of the fixed track (31) are fixedly connected to sliding rods (35), the outer surface of the moving screw (34) is threadedly connected to a sliding block (36), and the sliding block (36) is threadedly connected to the outer surface of the moving screw (34). The moving block (36) is slidably mounted on the outer surface of the sliding rod (35), and the sliding block (36) is slidably mounted at the two ends of the interior of the fixed rail (31), and the top of the sliding block (36) is fixedly connected to a fixed frame (37), and the top of the fixed frame (37) is fixedly connected to a lifting cylinder (38), and the bottom of the lifting cylinder (38) is fixedly connected to a lifting frame (39) slidably mounted inside the fixed frame (37), and a rotating motor (310) is arranged inside the lifting frame (39), and one side of the rotating motor (310) is fixedly connected to the positioning device (4).

3. The large-diameter air duct automatic welding robot according to claim 2 is characterized in that: The positioning device (4) comprises a rotating plate (41), one side of the rotating plate (41) is fixedly connected to a rotating shaft (42), one end of the rotating shaft (42) is connected to a rotating motor (310), the rotating shaft (42) is rotatably mounted inside the lifting frame (39), one side of the top of the rotating plate (41) is fixedly connected to a flip motor (43), one side of the flip motor (43) is provided with a driving gear (44), and a socket assembly (45) is rotatably mounted inside the rotating plate (41).

4. The large-diameter air duct automatic welding robot according to claim 3 is characterized in that: The sleeve assembly (45) comprises a flip frame (451), one side of which is fixedly connected to a transmission gear (452), the flip frame (451) is rotatably mounted inside the rotating plate (41), and the outer surface of the transmission gear (452) is meshed with the outer surface of the driving gear (44).

5. The large-diameter air duct automatic welding robot according to claim 4 is characterized in that: Both sides of the inside of the turning frame (451) are fixedly connected with telescopic cylinders (453), and the sides of the telescopic cylinders (453) are fixedly connected with support frames (454), and the support frames (454) are movably mounted on both sides of the turning frame (451).

6. The large-diameter air duct automatic welding robot according to claim 5, characterized in that: The support frame (454) is fixedly connected to an expansion cylinder (455) inside, and positioning rods (456) are slidably installed on both sides of the support frame (454). The positioning rods (456) on both sides of the support frame (454) are respectively fixedly connected to the expansion cylinder (455). The side of the positioning rod (456) close to the support frame (454) is fixedly connected to a limiting rod (458), and the limiting rod (458) is movably sleeved on one side of the support frame (454). The positioning rod (456) is fixedly connected to an electromagnet (457) inside, and the sleeve assembly (45) is movably sleeved inside the processing air duct (5).

7. The large-diameter air duct automatic welding robot according to claim 1 is characterized in that: The support component (2) comprises a support platform (21), a sliding groove (24) is provided inside the support platform (21), two sides of the support platform (21) are respectively fixedly connected to the welding component (1) and the adjusting device (3), and the sliding groove (24) is located above the welding component (1) and the adjusting device (3).

8. The large-diameter air duct automatic welding robot according to claim 7 is characterized in that: One side of the support platform (21) is fixedly connected to a driving motor (22), one side of the driving motor (22) is fixedly connected to a rotating screw rod (23), the rotating screw rod (23) is rotatably mounted inside the support platform (21), both sides of the inside of the sliding groove (24) are fixedly connected to sleeve rods (25), the inside of the sliding groove (24) is slidably mounted with a sliding frame (26), the two ends of the sliding frame (26) are movably sleeved on the outer surface of the sleeve rod (25), and the bottom of the sliding frame (26) is threadedly connected to the outer surface of the rotating screw rod (23).

9. The large-diameter air duct automatic welding robot according to claim 8, characterized in that: Both sides of the top of the sliding frame (26) are fixedly connected with a pushing cylinder (27), and one side of the pushing cylinder (27) is fixedly connected with a second pressing component (28) identical to the first pressing component (18), and the second pressing component (28) is slidably mounted on the top of the sliding frame (26), and one side of the second pressing component (28) is in contact with the outer side of the processing air duct (5).