A steel structure butt welding adjustment device

Abstract

The present invention relates to the technical field of steel structure welding, and discloses a steel structure butt welding adjustment device, comprising a workbench, a welding mechanical arm is fixedly connected to the front of the workbench, a reciprocating screw rod is rotatably connected to the inner wall of the right part of the workbench, a clamping plate is movably connected to the circumferential surface of the reciprocating screw rod, a connecting plate is fixedly connected to the rear of the workbench, and an electric telescopic rod is fixedly connected to the front of the connecting plate, and a clamping mechanism is arranged on the top of the workbench. The present invention supports two steel pipes by a movable fixed plate and a roller to ensure that the two steel pipes will not deviate during butt welding, thereby improving the welding quality of the device; at the same time, when the three-jaw chuck clamps the steel pipe from the inner pipe, the auxiliary fixed plate will extend out and contact with the inner wall of the steel pipe, thereby increasing the clamping area, further improving the stability of the steel pipe clamping, and preventing the steel pipe from deviating during welding.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure welding, in particular to a steel structure butt welding adjustment device. Background Art

[0002] Steel structure welding is one of the common connection methods in steel structure engineering. It is widely used in buildings, bridges, ships, machinery and other fields. It is achieved by heating metal materials to a molten state or combining them under pressure to achieve the connection and strength transfer of structural components.

[0003] The patent with publication number CN217167190U discloses a steel structure butt welding adjustment device, which relates to the technical field of steel structure processing, and specifically a steel structure butt welding adjustment device, comprising a base, an empty slot is provided inside the base, a threaded rod 1 is movably sleeved inside the empty slot, a slider 1 is threadedly sleeved outside the threaded rod 1, a fixed plate is fixedly connected to the top of the slider 1, and a threaded rod 2 is movably sleeved inside the fixed plate. The steel structure butt welding adjustment device drives the threaded rod 1 to rotate by rotating the hand wheel 1, so that the slider 1 moves to the right along the threaded rod 1, and can drive the steel member to move to the right, which is convenient for bringing the two steel members close to each other and aligning the steel members. The threaded rod 2 is driven to rotate by rotating the hand wheel 2, so that the slider 2 moves forward and backward along the threaded rod 2, and can drive the steel member to move forward and backward, which is convenient for adjusting the steel member forward and backward during the butt welding process. However, when the device is used to butt-weld two steel pipes, the two steel pipes are easily offset, which leads to poor welding quality of the two steel pipes. Therefore, a steel structure butt welding adjustment device is proposed to solve the above-mentioned problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a steel structure butt welding adjustment device in view of the deficiencies in the above-mentioned prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a steel structure butt welding adjustment device, comprising a workbench, the front part of the workbench is fixedly connected to a welding mechanical arm, the right inner wall of the workbench is rotatably connected to a reciprocating screw rod 1, the circumferential surface of the reciprocating screw rod 1 is movably connected to a clamping plate, the rear of the workbench is fixedly connected to a connecting plate, and the front of the connecting plate is fixedly connected to an electric telescopic rod; a clamping mechanism is arranged on the top of the workbench, a welding slag concentrating mechanism is arranged at the front of the electric telescopic rod, and a welding slag collecting mechanism is arranged on the top of the welding slag concentrating mechanism; the clamping mechanism comprises a fixed base, a movable fixed plate, a roller, a three-jaw chuck, a spring 1, an auxiliary fixed plate, a spring 2, a telescopic block, a sleeve plate 1, and a movable shaft, the fixed base is fixedly connected to the top of the workbench, the movable fixed plate is slidably connected to the top of the fixed base, and the roller is rotatably connected to the movable fixed plate At the front, the spring 1 is fixedly connected between the fixed base and the movable fixed plate; the three-jaw chuck is fixedly connected to the right part of the clamping plate, the sleeve plate 1 is fixedly connected to the claw surface of the three-jaw chuck, the spring 2 is fixedly connected to the inner wall of the sleeve plate 1, the telescopic block is slidably connected to the inner wall of the sleeve plate 1, the movable shaft is rotatably connected to the inner wall of the sleeve plate 1, and the auxiliary fixed plate is fixedly connected to the front part of the movable shaft; the end of the spring 1 away from the fixed base is fixedly connected to the movable fixed plate, and the rear part of the clamping plate is slidably connected to the inner wall of the workbench, and the two steel pipes are supported by the movable fixed plate and the roller to ensure that the two steel pipes will not deviate during butt welding, thereby improving the welding quality of the device, and at the same time, when the three-jaw chuck clamps the steel pipe from the inner pipe, the auxiliary fixed plate will extend out and contact the inner wall of the steel pipe, thereby increasing the clamping area, further improving the stability of the steel pipe clamping, and preventing the steel pipe from deviating during welding.

[0006] Preferably, the welding slag concentration mechanism includes a scraper, a collecting box, a fixed plate, a brush roller, a gear 1, an elastic knocking rod, and a rotating rod, the scraper is fixedly connected to the telescopic end of the electric telescopic rod, the collecting box is fixedly connected to the bottom of the electric telescopic rod, the fixed plate is fixedly connected to the inner wall of the collecting box, the rotating rod is rotatably connected to the inner wall of the fixed plate, the brush roller is fixedly connected to the circumferential surface of the rotating rod, the gear 1 is fixedly connected to the circumferential surface of the rotating rod, and the elastic knocking rod is fixedly connected to the circumferential surface of the rotating rod; the elastic knocking rod is in contact with the scraper, and the brush roller is located below the scraper. When the steel pipe is welded, the motor drives the steel pipe to rotate and weld through the three-jaw chuck. After the welding is completed, the electric telescopic rod drives the scraper to contact the welding surface of the steel pipe. At this time, the steel pipe continues to rotate to allow the scraper to scrape off the welding slag at the welding location. At the same time, the rotation of the steel pipe drives the brush roller in contact with it to rotate, and the brush roller drives the elastic knocking rod to knock on the surface of the steel pipe, so that the welding slag on the surface of the steel pipe is further vibrated off, thereby improving the cleaning effect of the welding slag.

[0007] Preferably, the welding slag collection mechanism includes a limit rod, a collection plate, a second gear, a transmission rod, a second sleeve plate, a support plate, and a second reciprocating screw rod. The limit rod is fixedly connected to the top of the scraper, the collection plate is slidably connected to the top of the scraper, the transmission rod is rotatably connected to the inner wall of the fixed plate, the second gear is fixedly connected to the circumferential surface of the transmission rod, and the second reciprocating screw rod is fixedly connected to the circumferential surface of the transmission rod; the support plate is fixedly connected to the inner wall of the collection box, and the second sleeve plate is slidably connected to the surface of the support plate through a spring; the circumferential surface of the second reciprocating screw rod is movably connected to the inner wall of the collection plate A reciprocating spiral groove is provided on the surface of the reciprocating screw rod 2, a block is provided on the inner wall of the collecting plate, and the block is located in the reciprocating spiral groove, the inner wall of the limit rod is in contact with the surface of the collecting plate, the top of the sleeve plate 2 is in contact with the circumferential surface of the brush roller, and the gear 1 is meshed with the gear 2. While cleaning the welding slag, the gear 1 drives the gear 2 to rotate, the gear 2 drives the reciprocating screw rod 2 to rotate, and the reciprocating screw rod 2 drives the collecting plate to move back and forth. The collecting plate can push the welding on the top of the scraper, so that the welding slag falls from both sides of the scraper into the collecting box for collection, thereby realizing self-cleaning of the scraper.

[0008] The present invention adopts the above technical solution to bring the following beneficial effects:

[0009] 1. This is a steel structure butt welding adjustment device. Through the coordinated operation of a workbench, a welding robot arm, a clamping mechanism, a fixed base, a movable fixed plate, a roller, a three-jaw chuck, a spring 1, an auxiliary fixed plate, a spring 2, a telescopic block, a sleeve plate 1, a movable shaft, a reciprocating screw rod 1, an electric telescopic rod, and a clamping plate, the movable fixed plate and the roller support two steel pipes to ensure that the two steel pipes will not deviate during butt welding, thereby improving the welding quality of the device. At the same time, when the three-jaw chuck clamps the steel pipe from the inner pipe, the auxiliary fixed plate will extend out and contact the inner wall of the steel pipe, thereby increasing the clamping area, further improving the stability of the steel pipe clamping, and preventing the steel pipe from deviating during welding.

[0010] 2. A steel structure butt welding adjustment device operates through the cooperation between a scraper, a collecting box, a fixing plate, a brush roller, a gear, an elastic knocking rod, and a rotating rod. When the steel pipe is welded, the motor drives the steel pipe to rotate and weld through a three-jaw chuck. After the welding is completed, the electric telescopic rod drives the scraper to contact the welding surface of the steel pipe. At this time, the steel pipe continues to rotate to allow the scraper to scrape off the welding slag at the welding point. At the same time, the rotation of the steel pipe drives the brush roller in contact with it to rotate, and the brush roller drives the elastic knocking rod to knock on the surface of the steel pipe, further allowing the welding slag on the surface of the steel pipe to vibrate off, thereby improving the cleaning effect of the welding slag.

[0011] 3. This kind of steel structure butt welding adjustment device, through the coordinated operation among the limit rod, the collecting plate, the second gear, the transmission rod, the second sleeve plate, the support plate, and the second reciprocating screw rod, while cleaning the welding slag, the first gear drives the second gear to rotate, the second gear drives the second reciprocating screw rod to rotate, and the second reciprocating screw rod drives the collecting plate to move back and forth. The collecting plate can push the welding on the top of the scraper, so that the welding slag falls from both sides of the scraper into the collecting box for collection, thereby realizing self-cleaning of the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 This is a schematic diagram of the structure of the three-jaw chuck of the present invention;

[0014] Figure 3 For the present invention Figure 2 A magnified view of the structure at center

[0015] Figure 4 A half-section diagram of the three-jaw chuck structure of the present invention;

[0016] Figure 5 For the present invention Figure 4 A magnified view of the structure at B in the middle;

[0017] Figure 6 This is a schematic diagram of the scraper structure of the present invention;

[0018] Figure 7 A half-section diagram of the scraper structure of the present invention;

[0019] Figure 8 This is a schematic diagram of the collecting plate structure of the present invention;

[0020] Fig. 9 For the present invention Figure 7 Enlarged view of the structure at point C in the middle.

[0021] In the figure: 1. workbench; 2. welding robot arm; 3. clamping mechanism; 301. fixed base; 302. movable fixed plate; 303. roller; 304. three-jaw chuck; 305. spring one; 306. auxiliary fixed plate; 307. spring two; 308. telescopic block; 309. sleeve plate one; 310. movable shaft; 4. reciprocating screw rod one; 5. welding slag concentration mechanism; 501. scraper; 502. collection box; 503. fixed plate; 504. brush roller; 505. gear one; 506. elastic knocking rod; 507. rotating rod; 6. electric telescopic rod; 7. welding slag collection mechanism; 701. limit rod; 702. collection plate; 703. gear two; 704. transmission rod; 705. sleeve plate two; 706. support plate; 707. reciprocating screw rod two; 8. clamping plate. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 9An embodiment of the present invention is; a steel structure butt welding adjustment device, comprising a workbench 1, a welding robot 2 is fixedly connected to the front of the workbench 1, a reciprocating screw rod 4 is rotatably connected to the inner wall of the right part of the workbench 1, a clamping plate 8 is movably connected to the circumferential surface of the reciprocating screw rod 4, a connecting plate is fixedly connected to the rear of the workbench 1, and an electric telescopic rod 6 is fixedly connected to the front of the connecting plate; a clamping mechanism 3 is arranged on the top of the workbench 1, a welding slag concentration mechanism 5 is arranged in front of the electric telescopic rod 6, and a welding slag collecting mechanism 7 is arranged on the top of the welding slag concentration mechanism 5; the clamping mechanism 3 comprises a fixed base 301, a movable fixed plate 302, a roller 303, a three-jaw chuck 3 04, spring 1 305, auxiliary fixing plate 306, spring 2 307, telescopic block 308, sleeve plate 1 309, movable shaft 310, fixed base 301 is fixedly connected to the top of workbench 1, movable fixing plate 302 is slidably connected to the top of fixed base 301, roller 303 is rotatably connected to the front of movable fixing plate 302, spring 1 305 is fixedly connected between fixed base 301 and movable fixing plate 302, when steel pipe is welded, a steel pipe is inserted between two movable fixing plates 302, so that the steel pipe pushes the two movable fixing plates 302 to move in the opposite direction through the arc surface and compresses spring 1 305, after installation, the steel pipe will be supported on roller 303 The top of the steel pipe is fixedly connected to the top of the clamping plate 8, and the two compressed springs 305 push the two movable fixed plates 302 to clamp the steel pipe. Then, another steel pipe is placed on the three-jaw chuck 304. The three-jaw chuck 304 starts and drives the three sleeve plates 309 to expand. The sleeve plates 309 contact the inner wall of the steel pipe and clamp it. At this time, the two steel pipes are on the same axis, and it is difficult to deviate during subsequent welding, which improves the welding quality; the three-jaw chuck 304 is fixedly connected to the right part of the clamping plate 8, the sleeve plate 309 is fixedly connected to the claw surface of the three-jaw chuck 304, the spring 2 307 is fixedly connected to the inner wall of the sleeve plate 309, the telescopic block 308 is slidably connected to the inner wall of the sleeve plate 309, and the movable The shaft 310 is rotatably connected to the inner wall of the sleeve plate 309, and the auxiliary fixing plate 306 is fixedly connected to the front part of the movable shaft 310; the end of the spring 1 305 away from the fixed base 301 is fixedly connected to the movable fixing plate 302, and the rear part of the clamping plate 8 is slidably connected to the inner wall of the workbench 1. When the sleeve plate 1 309 moves, the telescopic block 308 is driven to move. After the telescopic block 308 contacts the inner wall of the steel pipe, it will be pushed in the reverse direction and compress the spring 2 307. After the telescopic block 308 moves, it will push the auxiliary fixing plate 306 to rotate. After the auxiliary fixing plate 306 rotates, it contacts the inner wall of the steel pipe, thereby expanding the clamping area of ​​the steel pipe and further improving the stability of the steel pipe during welding.

[0024] Working principle: When welding steel pipes, insert a steel pipe between two movable fixing plates 302, so that the steel pipe pushes the two movable fixing plates 302 to move in the opposite direction through the arc surface and compresses the spring 1 305. After the installation is completed, the steel pipe will be supported on the top of the roller 303, and at the same time, the two compressed springs 1 305 will push the two movable fixing plates 302 to clamp the steel pipe. Then, put another steel pipe on the three-jaw chuck 304, the three-jaw chuck 304 starts and drives the three sleeve plates 1 309 to expand, and the sleeve plates 1 309 and the steel pipe are connected. The inner wall of the tube is contacted and clamped. At this time, the two steel tubes are on the same axis, and it is difficult to deviate during subsequent welding, which improves the welding quality. The movement of the sleeve plate 1 309 drives the telescopic block 308 to move. After the telescopic block 308 contacts the inner wall of the steel tube, it will be pushed in the opposite direction and compress the spring 2 307. After the telescopic block 308 moves, it will push the auxiliary fixing plate 306 to rotate. After the auxiliary fixing plate 306 rotates, it contacts the inner wall of the steel tube, thereby expanding the clamping area of ​​the steel tube and further improving the stability of the steel tube during welding.

[0025] See also Figure 1-Figure 9 On the basis of the above embodiment, in another embodiment of the present invention, the welding slag concentration mechanism 5 includes a scraper 501, a collection box 502, a fixed plate 503, a brush roller 504, a gear 505, an elastic knocking rod 506, and a rotating rod 507. The scraper 501 is fixedly connected to the telescopic end of the electric telescopic rod 6, the collection box 502 is fixedly connected to the bottom of the electric telescopic rod 6, the fixed plate 503 is fixedly connected to the inner wall of the collection box 502, the rotating rod 507 is rotatably connected to the inner wall of the fixed plate 503, the brush roller 504 is fixedly connected to the circumferential surface of the rotating rod 507, the gear 505 is fixedly connected to the circumferential surface of the rotating rod 507, and the elastic knocking rod 506 is fixedly connected to the circumferential surface of the rotating rod 507. After the steel pipe welding is completed, the electric telescopic rod 6 starts The motor drives the scraper 501 to move and contact with the steel pipe. At this time, the motor drives the three-jaw chuck 304 to rotate, and the three-jaw chuck 304 drives the welded steel pipe to rotate. After the steel pipe rotates, the welding slag on the surface will be driven to rotate together, and the scraper 501 in contact with it will scrape off all the welding slag, thereby improving the welding quality; the elastic knocking rod 506 is in contact with the scraper 501, and the brush roller 504 is located below the scraper 501. The brush roller 504 will contact with the steel pipe and drive the brush roller 504 to rotate through friction while the steel pipe rotates. The brush roller 504 drives the rotating rod 507 to rotate, and the rotating rod 507 drives the elastic knocking rod 506 to rotate. The rotation of the elastic knocking rod 506 will knock on the steel pipe and shake off the welding slag on the surface of the steel pipe, thereby further improving the cleaning effect of the welding slag.

[0026] The welding slag collecting mechanism 7 includes a limiting rod 701, a collecting plate 702, a second gear 703, a transmission rod 704, a second sleeve plate 705, a support plate 706, and a second reciprocating screw rod 707. The limiting rod 701 is fixedly connected to the top of the scraper 501, the collecting plate 702 is slidably connected to the top of the scraper 501, the transmission rod 704 is rotatably connected to the inner wall of the fixed plate 503, the second gear 703 is fixedly connected to the circumferential surface of the transmission rod 704, and the second reciprocating screw rod 707 is fixedly connected to the circumferential surface of the transmission rod 704. When the rotating rod 507 rotates, it drives the first gear 505 to rotate, the first gear 505 drives the second gear 703 to rotate, the second gear 703 drives the transmission rod 704 to rotate, and the transmission rod 704 drives the collecting plate 702 to move back and forth through the reciprocating spiral groove. 702 will push the welding slag on the scraper 501, so that the welding slag falls into the collection box 502 from both sides of the scraper 501, thereby realizing self-cleaning of the scraper 501, and at the same time, the welding slag can be collected to facilitate subsequent cleaning; the support plate 706 is fixedly connected to the inner wall of the collection box 502, and the sleeve plate 705 is slidably connected to the surface of the support plate 706 through a spring; the circumferential surface of the reciprocating screw rod 707 is movably connected to the inner wall of the collection plate 702, and a reciprocating spiral groove is provided on the surface of the reciprocating screw rod 707, and a block is provided on the inner wall of the collection plate 702, and the block is located in the reciprocating spiral groove, the inner wall of the limit rod 701 contacts the surface of the collection plate 702, the top of the sleeve plate 705 contacts the circumferential surface of the brush roller 504, and the gear 1 505 is meshed with the gear 2 703.

[0027] Working principle: After the steel pipe welding is completed, the electric telescopic rod 6 starts and drives the scraper 501 to move and contact the steel pipe. At this time, the motor drives the three-jaw chuck 304 to rotate, and the three-jaw chuck 304 drives the welded steel pipe to rotate. After the steel pipe rotates, the surface welding slag will be driven to rotate together, and the scraper 501 in contact with it will scrape off all the welding slag to improve the welding quality. At the same time, the brush roller 504 will contact the steel pipe and drive the brush roller 504 to rotate through friction while the steel pipe rotates. The brush roller 504 drives the rotating rod 507 to rotate, and the rotating rod 507 drives the elastic knocking rod 506 to rotate. The rotation of the elastic knocking rod 506 will knock on the steel pipe and shake off the welding slag on the surface of the steel pipe, further improving the cleaning effect of the welding slag.

[0028] As the rotating rod 507 rotates, it drives the gear 1 505 to rotate, the gear 1 505 drives the gear 2 703 to rotate, the gear 2 703 drives the transmission rod 704 to rotate, the transmission rod 704 drives the collecting plate 702 to move back and forth through the reciprocating spiral groove, the collecting plate 702 will push the welding slag on the scraper 501, so that the welding slag falls from both sides of the scraper 501 into the collecting box 502, thereby realizing the self-cleaning of the scraper 501, and the welding slag can also be collected to facilitate subsequent cleaning.

[0029] The present invention provides a steel structure butt welding adjustment device. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A steel structure butt welding adjustment device, comprising a workbench (1), characterized in that: The front part of the workbench (1) is fixedly connected to a welding robot arm (2); the inner wall of the right part of the workbench (1) is rotatably connected to a reciprocating screw rod (4); the circumferential surface of the reciprocating screw rod (4) is movably connected to a clamping plate (8); the rear part of the workbench (1) is fixedly connected to a connecting plate, and the front part of the connecting plate is fixedly connected to an electric telescopic rod (6); A clamping mechanism (3) is provided on the top of the workbench (1), a welding slag concentrating mechanism (5) is provided on the front of the electric telescopic rod (6), and a welding slag collecting mechanism (7) is provided on the top of the welding slag concentrating mechanism (5); The clamping mechanism (3) comprises a fixed base (301), a movable fixed plate (302), a roller (303), a three-jaw chuck (304), a spring 1 (305), an auxiliary fixed plate (306), a spring 2 (307), a telescopic block (308), a sleeve plate 1 (309), and a movable shaft (310). The fixed base (301) is fixedly connected to the top of the workbench (1), the movable fixed plate (302) is slidably connected to the top of the fixed base (301), the roller (303) is rotatably connected to the front of the movable fixed plate (302), and the spring 1 ( 305) is fixedly connected between the fixed base (301) and the movable fixed plate (302), the three-jaw chuck (304) is fixedly connected to the right part of the clamping plate (8), the sleeve plate 1 (309) is fixedly connected to the surface of the jaws of the three-jaw chuck (304), the spring 2 (307) is fixedly connected to the inner wall of the sleeve plate 1 (309), the telescopic block (308) is slidably connected to the inner wall of the sleeve plate 1 (309), the movable shaft (310) is rotatably connected to the inner wall of the sleeve plate 1 (309), and the auxiliary fixed plate (306) is fixedly connected to the front part of the movable shaft (310); The welding slag concentration mechanism (5) comprises a scraper (501), a collection box (502), a fixed plate (503), a brush roller (504), a gear one (505), an elastic knocking rod (506), and a rotating rod (507); the scraper (501) is fixedly connected to the telescopic end of the electric telescopic rod (6); the collection box (502) is fixedly connected to the bottom of the electric telescopic rod (6); the fixed plate (503) is fixedly connected to the inner wall of the collection box (502); the rotating rod (507) is rotatably connected to the inner wall of the fixed plate (503); the brush roller (504) is fixedly connected to the circumferential surface of the rotating rod (507); the gear one (505) is fixedly connected to the circumferential surface of the rotating rod (507); and the elastic knocking rod (506) is fixedly connected to the circumferential surface of the rotating rod (507).

2. A steel structure butt welding adjustment device according to claim 1, characterized in that: One end of the spring 1 (305) away from the fixed base (301) is fixedly connected to the movable fixed plate (302), and the rear part of the clamping plate (8) is slidably connected to the inner wall of the workbench (1).

3. A steel structure butt welding adjustment device according to claim 2, characterized in that: The elastic knocking rod (506) is in contact with the scraper (501), and the brush roller (504) is located below the scraper (501).

4. A steel structure butt welding adjustment device according to claim 3, characterized in that: The welding slag collecting mechanism (7) comprises a limit rod (701), a collecting plate (702), a second gear (703), a transmission rod (704), a second sleeve plate (705), a support plate (706), and a second reciprocating screw rod (707); the limit rod (701) is fixedly connected to the top of the scraper (501); the collecting plate (702) is slidably connected to the top of the scraper (501); the transmission rod (704) is rotatably connected to the inner wall of the fixed plate (503); the second gear (703) is fixedly connected to the circumferential surface of the transmission rod (704); and the second reciprocating screw rod (707) is fixedly connected to the circumferential surface of the transmission rod (704).

5. A steel structure butt welding adjustment device according to claim 4, characterized in that: The support plate (706) is fixedly connected to the inner wall of the collection box (502), and the second sleeve plate (705) is slidably connected to the surface of the support plate (706) via a spring.

6. A steel structure butt welding adjustment device according to claim 5, characterized in that: The circumferential surface of the reciprocating screw rod 2 (707) is movably connected to the inner wall of the collecting plate (702); a reciprocating spiral groove is provided on the surface of the reciprocating screw rod 2 (707); a clamping block is provided on the inner wall of the collecting plate (702), and the clamping block is located in the reciprocating spiral groove; the inner wall of the limiting rod (701) contacts the surface of the collecting plate (702); the top of the sleeve plate 2 (705) contacts the circumferential surface of the brush roller (504); and the gear 1 (505) meshes with the gear 2 (703).

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