Welding device for deformed steel mechanism

Abstract

The invention relates to a welding device for a deformed steel mechanism, and belongs to the technical field of welding equipment. The welding device of the special-shaped steel mechanism comprises a base, and a welding arm is installed at the upper end of the base; the welding mechanism is arranged at the upper end of the base, and the welding mechanism is arranged on one side of the welding arm; wherein the welding mechanism comprises a slide way fixedly connected to the upper end of the base, the two sides of the slide way are each provided with an adsorption positioning assembly, and the adsorption positioning assemblies are installed at the upper end of the base; two workpieces can be kept to be precisely attached to each other in the welding process, the angles of the two welded workpieces can be properly adjusted in the attaching process of the two workpieces, a good adsorption and positioning effect can be formed on the surfaces of the workpieces in the process that the clamping assemblies carry the workpieces to be close to each other, and the welding quality is improved. And good contact is formed in the welding process of the two workpieces, and the effect of a welded finished product is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, in particular to a welding device for a special-shaped steel structure. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. There are many sources of energy for modern welding, including gas flame, arc, laser, electron beam, friction and ultrasonic. In addition to being used in factories, welding can also be carried out in a variety of environments, such as the wild, underwater and space.

[0003] Existing steel structures refer to steel components that are processed into various shapes using steel plates and steel sections. In the current society, metal art signs are often seen in places such as city squares, parks, commercial blocks, cultural venues, and private courtyards. Metal art signs are not only practical decorations, but also works of art with profound cultural connotations and artistic value. Since the shape and structure of the surface steel of metal art signs are mostly smooth curved special-shaped structures, some artworks need to weld multiple smaller special-shaped steel structures into large structures during the assembly process, and then transport them to the construction site for installation;

[0004] After searching the prior art, it was found that "a welding device for steel structure" has a publication number of "CN216264246U". This device uses oil to squeeze all the clamping rods onto the outside of the steel structure to clamp and fix the steel structure, thereby facilitating the clamping and fixing of special-shaped steel structures. However, this device has difficulty in forming a good clamp on the outside of the arc-shaped workpiece when clamping the outside of the workpiece, which may cause the weld formed by the two workpieces to not fit well, affecting the welding product effect of the special-shaped steel structure. Summary of the invention

[0005] Based on this, it is necessary to provide a welding device for special-shaped steel structures to address the problem that it is difficult to form a good clamp on the outer side of the arc-shaped workpiece, which may cause the weld formed by the two workpieces to be not sufficiently fitted, affecting the welding effect of the finished product of the special-shaped steel structure.

[0006] A welding device for a special-shaped steel structure comprises: a base, a welding arm is installed on the upper end of the base; a welding mechanism, the welding mechanism is arranged at the upper end of the base, and the welding mechanism is arranged on one side of the welding arm; wherein the welding mechanism comprises a slideway fixedly connected to the upper end of the base, adsorption and positioning components are arranged on both sides of the slideway, the adsorption and positioning components are installed at the upper end of the base, a clamping component is arranged at the end of the adsorption and positioning component close to the slideway, a weld processing component is arranged between the two clamping components, the weld processing component is installed on the side of the slideway away from the welding arm, and the weld processing component is installed at the upper end of the base.

[0007] The cam is connected with the support of the lifting link, and the limit of each said adjusting base is connected with the support of the lifting link, and the limit of each said lifting link is connected with the support of the lifting link, and the limit of each said lifting link is connected with the lifting link of the lifting link.

[0008] The device drives the telescopic end of the first electric push rod to extend outward, driving the connecting frame fixedly connected to it to move synchronously, so that the two connecting frames are close to each other, and when the connecting frames move, a relatively low pressure is formed inside the sealed cavity. At the same time, the movement of the connecting frames in cooperation with the spring and the square shaft makes the two first connecting plates close to each other, thereby making the two steels to be welded fit each other, forming good contact, and ensuring the welding product effect.

[0009] In one embodiment, the clamping assembly includes a second connecting plate slidably connected to the surface of the rotating frame, the second connecting plate is fixedly connected to two sliding cross frames on one side close to the adjacent first connecting plate, the inner wall of the sliding cross frame is slidably connected to a sliding seat, the other end of the sliding seat is fixedly connected to a five-way, the inner wall of the sliding seat is provided with a threaded shaft, the threaded shaft is threadedly connected to the adjacent five-way, the end of the threaded shaft penetrates to the outside of the sliding seat and is rotatably connected to an adjustment disk, and the other side of the adjustment disk is fixedly connected to a positioning welding frame. When the steel is initially positioned and placed, the steel to be welded is placed between the positioning welding frame and the second connecting plate. At this time, the knob threaded shaft is used to cooperate with the five-way to gradually move the adjustment disk toward the second connecting plate, so that the positioning welding frame cooperates with the adsorption positioning assembly to clamp the steel and maintain the initial positioning effect on the steel. The positioning welding frame can be set in a rod shape, or a grid shape, and can also be connected to an external clamp, and is appropriately adjusted according to specific usage requirements.

[0010] In one embodiment, the weld processing assembly includes a mounting chamber fixedly connected to the upper end of the base, a fixed side seat fixedly connected to the side of the mounting chamber away from the welding arm, a second electric push rod fixedly connected to the inner wall of the fixed side seat, a rotating sleeve rotatably connected to the surface of the second electric push rod, a telescopic end of the second electric push rod extends to the outside of the mounting chamber and is rotatably connected to a sliding sleeve, the sliding sleeve is sleeved on the telescopic end of the second electric push rod, the sliding sleeve is slidably connected to the surface of the rotating sleeve, and a plurality of cleaning brushes are fixedly connected to the surface of the sliding sleeve. When two welding steels are close to each other, the sliding sleeve can be driven to make the sliding sleeve slide linearly along the surface of the rotating sleeve, and when the cleaning brush on the surface of the sliding sleeve contacts the welding position of the steel, auxiliary grinding is performed on the weld to improve the welding yield rate.

[0011] In one of the embodiments, a first motor is installed on the upper end of the mounting platform, a worm gear is fixedly connected to the surface of the rotating seat, a worm is fixedly connected to the output shaft of the first motor, and the worm gear is meshingly connected to the worm.

[0012] The first motor is driven to drive the worm to rotate synchronously, and then the worm wheel and the worm are meshed to make the rotating seat shift in angle, which helps the steel to align its position.

[0013] In one embodiment, two tube connecting suction cups are fixedly connected to the inner wall of the first connecting plate, one end of the tube connecting suction cup close to the connecting frame is connected to a bellows, and the other end of the bellows is fixedly connected to the inner wall of the connecting frame.

[0014] The internal pressure of the sealing chamber is low, and the bellows connected to the surface of the connecting frame cooperates with the pipe connecting suction cup to be adsorbed on the surface of the steel to be welded, thereby enhancing the positioning effect of the welded steel.

[0015] In one embodiment, a second motor is installed on the surface of the installation bin, and the rotating sleeve and the output shaft of the second motor are both fixedly connected with pulleys, and the surfaces of the two pulleys are sleeved with transmission belts. By driving the second motor, the rotating sleeve is driven to rotate on the surface of the second electric push rod under the cooperation of the pulley and the transmission belt, and then the rotating sleeve passes through the sliding sleeve, so that the cleaning brush assists in grinding the welding seam.

[0016] In one embodiment, the inner wall of the mobile frame is slidably connected with a round vent pipe, and the round vent pipe is fixedly connected to the surface of the rotating plate. When the mobile frame slides on the inner wall of the sealed cavity, the two round vent pipes located on the inner wall of the mobile frame draw out the gas inside the mobile frame, forming a secondary negative pressure effect, ensuring the adsorption effect of the pipe-connected suction cup on the surface of the steel material, and improving the positioning effect during steel welding.

[0017] In one embodiment, the upper and lower sides of the sliding seat are fixedly connected with positioning plates, the inner wall of the positioning plate is slidably connected with a positioning plug plate, and the end of the positioning plug plate away from the sliding seat is chamfered. The positioning plug plate can form a limiting effect on the angle of the positioning welding frame.

[0018] In one embodiment, a plurality of positioning grooves are provided on one side of the adjusting disk close to the threaded shaft, and the plurality of positioning grooves are distributed in a ring shape along the edge of the adjusting disk, and the end of the positioning plug plate extends to the inside of the adjacent positioning groove. When the device is clamping different profiles, the positioning groove can cooperate with the narrow end of the positioning plug plate to form a clamping effect of different angles.

[0019] The adsorption and positioning components can keep the two workpieces closely fitted to each other during welding, and can also adjust the angles of the two welding workpieces appropriately during the fitting of the two workpieces. In addition, the surfaces of the workpieces can be adsorbed and positioned well when the clamping components carry the workpieces close to each other, so that the two workpieces can form good contact during welding, thus ensuring the welding product effect.

[0020] The clamping assembly in the device can form a preliminary positioning effect on the workpiece under the action of the clamping assembly, and the auxiliary adsorption positioning assembly can relatively stably adsorb the surface of the workpiece, thereby enhancing the positioning effect of the workpiece and reducing the relative position of the two workpieces from changing easily, thereby ensuring that the two welding workpieces are firmly attached and meet more use conditions. The auxiliary adsorption positioning assembly is more stable in adjusting the angle of the welding workpiece, ensuring the welding finished product effect;

[0021] The weld processing component in the device can grind and clean the welding gap when the two welding workpieces are close to each other, and maintain the adsorption and positioning component to fit the two workpieces together to reduce the situation of excessive impurities in the weld, which would affect the formation of a larger gap when the workpieces are fitted together, thereby ensuring that the welding gap is clean and forms good contact, thereby ensuring the welding product effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the welding mechanism structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the adsorption positioning component of the present invention;

[0026] Figure 4 It is a schematic diagram of the internal structure of the weld processing assembly of the present invention;

[0027] Figure 5 This is a schematic diagram of the distribution of the first electric push rod of the present invention;

[0028] Figure 6 It is a schematic diagram of the explosion of the internal structure of the sealed chamber of the present invention;

[0029] Figure 7 It is a partial exploded cross-sectional view of the adsorption and positioning component of the present invention;

[0030] Figure 8 It is a schematic diagram of the connection between the square shaft and the first connecting plate of the present invention;

[0031] Fig. 9 It is a schematic diagram of the position of the second connecting plate of the present invention;

[0032] Fig.10 It is a schematic diagram of the structure of the clamping assembly of the present invention;

[0033] Fig.11 A partial exploded cross-sectional view of the clamping assembly of the present invention;

[0034] Fig.12 It is a partial exploded cross-sectional view of the weld processing assembly of the present invention.

[0035] Reference numerals:

[0036] 100, base; 200, welding arm; 300, welding mechanism; 310, adsorption positioning assembly; 311, mounting table; 312, positioning ring; 313, rotating seat; 314, first motor; 315, worm; 316, worm wheel; 317, rotating plate; 318, sealing chamber; 319, first electric push rod; 3110, moving frame; 3111, round vent pipe; 3112, connecting frame; 3113, square shaft; 3114, spring; 3115, first connecting plate; 3116, rotating frame; 3117, pipe-connected suction cup; 3118, bellows; 3119 , movable slide; 320, clamping assembly; 321, second connecting plate; 322, sliding cross frame; 323, sliding seat; 324, positioning plate; 325, positioning plug plate; 326, five-way joint; 327, threaded shaft; 328, adjusting disk; 329, positioning welding frame; 3210, positioning groove; 330, weld processing assembly; 331, installation bin; 332, fixed side seat; 333, second motor; 334, pulley; 335, transmission belt; 336, second electric push rod; 337, rotating sleeve; 338, sliding sleeve; 339, cleaning brush; 340, slideway. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0038] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of the present invention are for illustrative purposes only and do not represent the only implementation method.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are indirectly in contact through an intermediate medium. Moreover, a first feature being “above”, “above” or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below” or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] Unless otherwise defined, all technical and scientific terms used in the specification of the present invention have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in the specification of the present invention includes any and all combinations of one or more related listed items.

[0042] Combine the following Figure 1-Figure 12 The welding device of the special-shaped steel structure of the present invention comprises: a base 100, a welding arm 200 is installed at the upper end of the base 100; a welding mechanism 300, the welding mechanism 300 is arranged at the upper end of the base 100, and the welding mechanism 300 is arranged on one side of the welding arm 200; wherein the welding mechanism 300 comprises a slideway 340 fixedly connected to the upper end of the base 100, and adsorption positioning components 310 are arranged on both sides of the slideway 340, the adsorption positioning component 310 is installed at the upper end of the base 100, and a clamping component 320 is arranged at the end of the adsorption positioning component 310 close to the slideway 340, and a weld processing component 330 is arranged between the two clamping components 320, and the weld processing component 330 is installed on the side of the slideway 340 away from the welding arm 200, and the weld processing component 330 is installed at the upper end of the base 100;

[0043] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10As shown, the adsorption positioning component 310 includes a mounting platform 311 mounted on the upper end of the base 100, the upper end of the mounting platform 311 is fixedly connected to a positioning ring 312, the inner wall of the positioning ring 312 is rotatably connected to a rotating seat 313, the other end of the rotating seat 313 is fixedly connected to a rotating plate 317, the other side of the rotating plate 317 is fixedly connected to two first electric push rods 319, a sealed cavity 318 fixedly connected to the other side of the rotating plate 317 is provided between the two first electric push rods 319, the inner wall of the sealed cavity 318 is slidably connected to a moving frame 3110, and the moving frame 3110 is away from the rotating The end of the plate 317 is fixedly connected with a connecting frame 3112, the inner wall of the telescopic end of the first electric push rod 319 is slidably connected with a square shaft 3113, the end of the square shaft 3113 is fixedly connected with a first connecting plate 3115, the surface of the square shaft 3113 is sleeved with a spring 3114, and the two ends of the spring 3114 are respectively in contact with the opposite sides of the connecting frame 3112 and the first connecting plate 3115; the other side of the first connecting plate 3115 is fixedly connected with a rotating frame 3116, the surface of the rotating frame 3116 is sleeved with a movable slide 3119, and the movable slide 3119 is slidably connected to the surface of the slideway 340;

[0044] The device drives the telescopic end of the first electric push rod 319 to extend outward, driving the connecting frame 3112 fixedly connected thereto to move synchronously, so that the two connecting frames 3112 are close to each other, and when the connecting frames 3112 move, a relatively low pressure is formed inside the sealing cavity 318. At the same time, the movement of the connecting frames 3112, in cooperation with the spring 3114 and the square shaft 3113, makes the two first connecting plates 3115 close to each other, thereby making the two steel materials to be welded fit each other, forming a good contact, and ensuring the welding effect.

[0045] The first motor 314 is installed on the upper end of the mounting platform 311, and a worm gear 316 is fixedly connected to the surface of the rotating seat 313. The output shaft of the first motor 314 is fixedly connected to the worm 315, and the worm gear 316 is meshed with the worm 315. Two pipe-connected suction cups 3117 are fixedly connected to the inner wall of the first connecting plate 3115. One end of the pipe-connected suction cup 3117 close to the connecting frame 3112 is connected to a bellows 3118, and the other end of the bellows 3118 is fixedly connected to the inner wall of the connecting frame 3112. A round vent 3111 is slidably connected to the inner wall of the moving frame 3110, and the round vent 3111 is fixedly connected to the surface of the rotating plate 317;

[0046] The first motor 314 is driven to drive the worm 315 to rotate synchronously, and then the rotating seat 313 is angularly offset under the action of the meshing connection between the worm wheel 316 and the worm 315, which assists the steel in position alignment. The sealed cavity 318 has low pressure inside, and the bellows 3118 connected to the surface of the connecting frame 3112 cooperates with the pipe-connected suction cup 3117 to be adsorbed on the surface of the steel to be welded, thereby enhancing the positioning effect of the welded steel. The mobile frame 3110 slides on the inner wall of the sealed cavity 318, and at this time, two round ventilation pipes 3111 located on the inner wall of the mobile frame 3110 draw out the internal gas of the mobile frame 3110, forming a secondary negative pressure effect, thereby ensuring the adsorption effect of the pipe-connected suction cup 3117 on the steel surface, thereby improving the positioning effect of the steel welding.

[0047] like Figure 1 , Figure 2 , Fig. 9 , Fig.10 , Fig.11 As shown, the clamping assembly 320 includes a second connecting plate 321 slidably connected to the surface of the rotating frame 3116, and two sliding cross frames 322 are fixedly connected to the side of the second connecting plate 321 close to the adjacent first connecting plate 3115. The inner wall of the sliding cross frame 322 is slidably connected to a sliding seat 323, and the other end of the sliding seat 323 is fixedly connected to a five-way 326. The inner wall of the sliding seat 323 is provided with a threaded shaft 327, and the threaded shaft 327 is threadedly connected to the adjacent five-way 326. The end of the threaded shaft 327 penetrates the outside of the sliding seat 323 and is rotatably connected to an adjustment disk 328, and the other side of the adjustment disk 328 is fixedly connected to a positioning welding frame 329. The upper and lower sides of the sliding seat 323 are fixedly connected to positioning plates 324, and the inner wall of the positioning plate 324 is slidably connected to a positioning plug plate 325, and the end of the positioning plug plate 325 away from the sliding seat 323 is provided with a chamfer. A plurality of positioning grooves 3210 are formed on one side of the adjusting disk 328 close to the threaded shaft 327. The plurality of positioning grooves 3210 are distributed in a ring shape along the edge of the adjusting disk 328. The end of the positioning plug plate 325 extends to the inside of the adjacent positioning groove 3210.

[0048] When the steel is initially positioned, the steel to be welded is placed between the positioning welding frame 329 and the second connecting plate 321. At this time, the knob threaded shaft 327 cooperates with the five-way 326 to gradually move the adjustment disk 328 toward the second connecting plate 321, so that the positioning welding frame 329 cooperates with the adsorption positioning assembly 310 to clamp the steel and maintain the initial positioning effect of the steel. When the device is clamping different profiles, the positioning groove 3210 can cooperate with the narrow end of the positioning plug plate 325 to form a clamping effect at different angles;

[0049] like Figure 1 , Figure 2 , Figure 3 , Fig.12As shown, the weld processing assembly 330 includes a mounting chamber 331 fixedly connected to the upper end of the base 100, a fixed side seat 332 is fixedly connected to the side of the mounting chamber 331 away from the welding arm 200, a second electric push rod 336 is fixedly connected to the inner wall of the fixed side seat 332, a rotating sleeve 337 is rotatably connected to the surface of the second electric push rod 336, the telescopic end of the second electric push rod 336 penetrates the outside of the mounting chamber 331 and is rotatably connected to a sliding sleeve 338, the sliding sleeve 338 is sleeved on the telescopic end of the second electric push rod 336, the sliding sleeve 338 is slidably connected to the surface of the rotating sleeve 337, and a plurality of cleaning brushes 339 are fixedly connected to the surface of the sliding sleeve 338. A second motor 333 is mounted on the surface of the mounting chamber 331, and the rotating sleeve 337 and the output shaft of the second motor 333 are both fixedly connected to pulleys 334, and the surfaces of the two pulleys 334 are sleeved with transmission belts 335. When two welding steels are close to each other, the sliding sleeve 338 can be driven by the second electric push rod 336 to slide linearly along the surface of the rotating sleeve 337. When the cleaning brush 339 on the surface of the sliding sleeve 338 contacts the welding position of the steel, the welding position is assisted to be polished, thereby improving the welding yield rate. By driving the second motor 333, the rotating sleeve 337 is driven to rotate on the surface of the second electric push rod 336 in cooperation with the pulley 334 and the transmission belt 335, and then the rotating sleeve 337 passes through the sliding sleeve 338, so that the cleaning brush 339 assists in polishing the welding joint.

[0050] Working principle:

[0051] The steel to be welded is placed between the positioning welding frame 329 and the second connecting plate 321, and the knob threaded shaft 327 cooperates with the five-way 326 to move the adjustment disk 328 toward the second connecting plate 321. The positioning welding frame 329 and the rotating plate 317 clamp the steel, and the positioning groove 3210 cooperates with the narrow end of the positioning plug plate 325 to form clamping at different angles, and the first electric push rod 319 is driven to drive the connecting frame 3112 to move synchronously, so that the two connecting frames 3112 approach each other, and the movement of the connecting frame 3112 drives the mobile frame 3110 to gradually move out of the sealed chamber 318, and a relatively low pressure is formed in the sealed chamber 318. The mobile frame 3110 slides on the inner wall of the sealed chamber 318, and the round ventilation pipe 3111 on the inner wall of the mobile frame 3110 extracts the internal gas of the mobile frame 3110, and the pipe-connected suction cup 3117 forms adsorption on the surface of the steel, thereby improving the positioning of the steel during welding. The movement of the frame 3112 is coordinated with the spring 3114 and the square shaft 3113 to move the two first connecting plates 3115 closer to each other, driving the second electric push rod 336 and the sliding sleeve 338 to slide linearly along the surface of the rotating sleeve 337. When the cleaning brush 339 on the surface of the sliding sleeve 338 contacts the welding position of the steel, the second motor 333 is driven to drive the rotating sleeve 337 to rotate on the surface of the second electric push rod 336 under the cooperation of the pulley 334 and the transmission belt 335. The rotating sleeve 337 passes through the sliding sleeve 338, and the cleaning brush 339 assists in grinding the welding seam and the welding position. The first motor 314 is driven to drive the worm 315 to follow the synchronous rotation, and then the rotating seat 313 is offset in angle under the meshing connection of the worm wheel 316 and the worm 315, and the auxiliary steel positions are aligned, and the two steels to be welded fit each other to form a good contact.

[0052] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-described embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A welding device for a special-shaped steel structure, characterized in that: include: A base (100), wherein a welding arm (200) is mounted on the upper end of the base (100); A welding mechanism (300), wherein the welding mechanism (300) is arranged at the upper end of the base (100), and the welding mechanism (300) is arranged at one side of the welding arm (200); The welding mechanism (300) comprises a slideway (340) fixedly connected to the upper end of the base (100), adsorption and positioning components (310) are arranged on both sides of the slideway (340), the adsorption and positioning components (310) are installed on the upper end of the base (100), a clamping component (320) is arranged at the end of the adsorption and positioning component (310) close to the slideway (340), a weld processing component (330) is arranged between the two clamping components (320), the weld processing component (330) is installed on the side of the slideway (340) away from the welding arm (200), and the weld processing component (330) is installed on the upper end of the base (100).

2. The welding device for special-shaped steel structure according to claim 1, characterized in that: The adsorption positioning component (310) comprises a mounting platform (311) mounted on the upper end of the base (100), the upper end of the mounting platform (311) is fixedly connected to a positioning ring (312), the inner wall of the positioning ring (312) is rotatably connected to a rotating seat (313), the other end of the rotating seat (313) is fixedly connected to a rotating plate (317), the other side of the rotating plate (317) is fixedly connected to two first electric push rods (319), a sealing cavity (318) fixedly connected to the other side of the rotating plate (317) is provided between the two first electric push rods (319), the inner wall of the sealing cavity (318) is slidably connected to a moving frame (3110), and the end of the moving frame (3110) away from the rotating plate (317) is fixedly connected to a connecting frame (3112); A square shaft (3113) is slidably connected to the inner wall of the telescopic end of the first electric push rod (319), and the end of the square shaft (3113) is fixedly connected to the first connecting plate (3115). The surface of the square shaft (3113) is sleeved with a spring (3114), and the two ends of the spring (3114) are respectively in contact with the opposite sides of the connecting frame (3112) and the first connecting plate (3115); the other side of the first connecting plate (3115) is fixedly connected to a rotating frame (3116), and the surface of the rotating frame (3116) is sleeved with a movable slide (3119), and the movable slide (3119) is slidably connected to the surface of the slideway (340).

3. The welding device for special-shaped steel structure according to claim 2, characterized in that: The clamping assembly (320) includes a second connecting plate (321) slidably connected to the surface of the rotating frame (3116); two sliding cross frames (322) are fixedly connected to one side of the second connecting plate (321) adjacent to the first connecting plate (3115); a sliding seat (323) is slidably connected to the inner wall of the sliding cross frame (322); the other end of the sliding seat (323) is fixedly connected to a five-way bracket (326); a threaded shaft (327) is provided on the inner wall of the sliding seat (323); the threaded shaft (327) is threadedly connected to the adjacent five-way bracket (326); an end of the threaded shaft (327) passes through the outside of the sliding seat (323) and is rotatably connected to an adjusting disk (328); the other side of the adjusting disk (328) is fixedly connected to a positioning welding frame (329).

4. The welding device for special-shaped steel structure according to claim 1, characterized in that: The weld processing assembly (330) includes an installation chamber (331) fixedly connected to the upper end of the base (100), and a fixed side seat (332) is fixedly connected to the side of the installation chamber (331) away from the welding arm (200), and a second electric push rod (336) is fixedly connected to the inner wall of the fixed side seat (332), and a rotating sleeve (337) is rotatably connected to the surface of the second electric push rod (336), and the telescopic end of the second electric push rod (336) passes through the outside of the installation chamber (331) and is rotatably connected to a sliding sleeve (338), and the sliding sleeve (338) is sleeved on the telescopic end of the second electric push rod (336), and the sliding sleeve (338) is slidably connected to the surface of the rotating sleeve (337), and a plurality of cleaning brushes (339) are fixedly connected to the surface of the sliding sleeve (338).

5. The welding device for special-shaped steel structure according to claim 2, characterized in that: The first motor (314) is installed at the upper end of the mounting platform (311), a worm gear (316) is fixedly connected to the surface of the rotating seat (313), the output shaft of the first motor (314) is fixedly connected to a worm (315), and the worm gear (316) is meshingly connected to the worm (315).

6. The welding device for special-shaped steel structure according to claim 5, characterized in that: The inner wall of the first connecting plate (3115) is fixedly connected to two tube connecting suction cups (3117), one end of the tube connecting suction cup (3117) close to the connecting frame (3112) is connected to a bellows (3118), and the other end of the bellows (3118) is fixedly connected to the inner wall of the connecting frame (3112).

7. The welding device for special-shaped steel structure according to claim 4, characterized in that: A second motor (333) is installed on the surface of the installation bin (331), and the rotating sleeve (337) and the output shaft of the second motor (333) are both fixedly connected with pulleys (334), and transmission belts (335) are sleeved on the surfaces of the two pulleys (334).

8. The welding device for special-shaped steel structure according to claim 2, characterized in that: The inner wall of the movable frame (3110) is slidably connected with a round ventilation pipe (3111), and the round ventilation pipe (3111) is fixedly connected to the surface of the rotating plate (317).

9. The welding device for special-shaped steel structure according to claim 3, characterized in that: The upper and lower sides of the sliding seat (323) are fixedly connected with positioning plates (324), the inner wall of the positioning plate (324) is slidably connected with a positioning plug plate (325), and the end of the positioning plug plate (325) away from the sliding seat (323) is chamfered.

10. The welding device for special-shaped steel structure according to claim 9, characterized in that: A plurality of positioning grooves (3210) are provided on one side of the adjusting disk (328) close to the threaded shaft (327), and the plurality of positioning grooves (3210) are distributed in a ring shape along the edge of the adjusting disk (328), and the end of the positioning plug plate (325) extends to the inside of an adjacent positioning groove (3210).

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