Intelligent welding device for large steel machining and welding method thereof

Abstract

The application discloses a kind of intelligent welding device for large steel processing and welding method thereof, and relates to steel processing technical field, including base, first steel pipe and second steel pipe, the top of the base one end is fixedly connected with electric control placement table, and the top of electric control placement table and the bottom of first steel pipe overlap, and the center of base inner cavity is provided with adjusting mechanism.The application is discharged into the gap between first steel pipe and second steel pipe by the discharge pipe arranged at the bottom of filler, and the arc welding head arranged at the end of filler bottom away from discharge pipe is used to weld and heat the fluxing particles in the gap of first steel pipe and second steel pipe, and the welding is completed after the fluxing particles are cooled, which further solves the problem that the welding surface of steel pipe needs to be processed in advance during the welding process of traditional large steel processing, resulting in complicated process of steel pipe welding.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel processing, in particular to an intelligent welding device for large steel processing and a welding method thereof. BACKGROUND

[0002] After the steel is manufactured, the connecting part of the steel needs to be welded to enhance the connection effect of the steel, improve the use strength of the steel, and avoid the occurrence of fracture in the later use process, which may cause serious safety accidents. Large steel pipe welding is a common process in modern industry and is widely used in the fields of oil and gas pipelines, hydropower station pressure steel pipes, building structures, etc.

[0003] The existing technology has the following problems:

[0004] 1. The existing intelligent welding device for large steel processing has the problem that the welding surface of the steel pipe needs to be processed in advance when welding the steel pipe with a large thickness, which makes the welding process of the steel pipe more complicated.

[0005] 2. The existing intelligent welding device for large steel processing has the problem that when welding large steel pipes, workers need to enter the inside of the steel pipe to work, which not only makes the working environment crowded and narrow, affecting the work efficiency, but also easily inhales harmful gases generated during welding into the body, affecting the health of the workers. SUMMARY

[0006] The present application provides an intelligent welding device for large steel processing and a welding method thereof to solve the problems mentioned in the background.

[0007] To solve the above technical problems, the technical solution adopted by the present application is:

[0008] An intelligent welding device for large steel processing, comprising a base, a first steel pipe and a second steel pipe, wherein one end of the top of the base is fixedly connected with an electric control placement table, the top of the electric control placement table is overlapped with the bottom of the first steel pipe, and an adjusting mechanism is arranged at the center of the inner cavity of the base;

[0009] An electric control moving table is installed at the end of the top of the base away from the electric control placement table, the top of the electric control moving table is rotatably connected with a support column, and a stabilizing mechanism is arranged at the center of the inner wall of the support column;

[0010] The top of the support column is fixedly connected with an electric lifting platform, an output end of the electric lifting platform is provided with an adjusting support, an output end of the adjusting support is fixedly connected with a filler, the top of the filler is fixedly connected with a feeding pipe, one end of the bottom of the filler is fixedly connected with a discharging pipe, a center of the bottom of the filler is provided with an electric vibrating rod, both sides of the outer wall of the filler are provided with abutting supports, and the bottom of the abutting supports is respectively overlapped with the top of the first steel pipe and the second steel pipe.

[0011] Further improvement of the technical scheme of the present application is that the adjusting mechanism comprises a motor fixedly connected at the center of the inner cavity of the base, an output end of the motor is fixedly connected with a transmission gear, both sides of the outer wall of the transmission gear are respectively engaged with linkage gears, a center of the outer wall of the linkage gears is fixedly connected with a bidirectional screw rod, both ends of the bidirectional screw rod are rotatably connected with the inner wall of the base, both ends of the outer wall of the bidirectional screw rod are respectively threadedly connected with moving tables, one end of the top of the moving table is rotatably connected with an auxiliary support, one end of the auxiliary support is rotatably connected with an auxiliary roller, an output end of the hydraulic telescopic rod is rotatably connected with the center of the bottom of the auxiliary support.

[0012] Further improvement of the technical scheme of the present application is that the stabilizing mechanism comprises an electric telescopic rod fixedly connected at the center of the inner wall of the support column, an output end of the electric telescopic rod is fixedly connected with a center table, the top of the center table is fixedly connected with a first adjusting telescopic rod, an output end of the first adjusting telescopic rod is fixedly connected with an electric control swing table, the inner wall of the electric control swing table is provided with a welding gun, both ends of the outer wall of the electric control swing table are rotatably connected with elastic roller supports, and the outer wall of the elastic roller supports is respectively overlapped with the inner wall of the first steel pipe and the second steel pipe.

[0013] Further improvement of the technical scheme of the present application is that the top center of the base is fixedly connected with a stabilizing table, the top of the stabilizing table is overlapped with the bottom of the second steel pipe, both ends of the top of the stabilizing table are respectively provided with electric rollers, and the outer wall of the electric rollers is overlapped with the outer wall of the second steel pipe.

[0014] Further improvement of the technical scheme of the present application is that the bottom of the center table is fixedly connected with a second adjusting telescopic rod, and an output end of the second adjusting telescopic rod is fixedly connected with a high-frequency knocking block.

[0015] Further improvement of the technical scheme of the present application is that both sides of the outer wall of the center table are respectively provided with a plurality of third adjusting telescopic rods, an output end of the third adjusting telescopic rod is fixedly connected with a grinding wheel, and the outer wall of the grinding wheel is respectively overlapped with the inner wall of the first steel pipe and the second steel pipe.

[0016] Further improvement of the technical scheme of the present application is that the outer wall of the support column is fixedly connected with an electric telescopic stand on one side, the output end of the electric telescopic stand is fixedly connected with a plurality of moving blocks, a right-angle linkage rod is rotatably connected to one end of the inner cavity of the moving block, one end of the right-angle linkage rod is rotatably connected with a fixed support, and the top of the fixed support is fixedly connected with a rubber anti-skid block.

[0017] Further improvement of the technical scheme of the present application is that the outer wall of the support column is fixedly connected with an electric telescopic stand on one side, the output end of the electric telescopic stand is fixedly connected with a plurality of moving blocks, a right-angle linkage rod is rotatably connected to one end of the inner cavity of the moving block, one end of the right-angle linkage rod is rotatably connected with a fixed support, and the top of the fixed support is fixedly connected with a rubber anti-skid block.

[0018] Further improvement of the technical scheme of the present application is that the outer wall of the support column is fixedly connected with an electric telescopic stand on one side, the output end of the electric telescopic stand is fixedly connected with a plurality of moving blocks, a right-angle linkage rod is rotatably connected to one end of the inner cavity of the moving block, one end of the right-angle linkage rod is rotatably connected with a fixed support, and the top of the fixed support is fixedly connected with a rubber anti-skid block.

[0019] An intelligent welding method for large steel machining, which adopts the intelligent welding device for large steel machining.

[0020] S1: by placing the first steel pipe and the second steel pipe on the electric control placing table and the stabilizing table respectively, aligning the welding surface between the first steel pipe and the second steel pipe by using the adjusting mechanism, then initially welding the gap in the inner wall of the first steel pipe and the second steel pipe by using the stabilizing mechanism, starting the filler after the initial welding is completed, and welding the gap in the outer wall of the first steel pipe and the second steel pipe by using the arc welding head;

[0021] S2: the adjusting mechanism drives the bidirectional screw rod by the motor, adjusts the moving table arranged at both ends of the outer wall, adjusts the angle of the auxiliary support by using the hydraulic telescopic rod, and makes the auxiliary roller arranged at one end of the auxiliary support abut against the second steel pipe for adjustment;

[0022] S3: the stabilizing mechanism pushes the welding gun to initially weld the gap in the inner wall of the first steel pipe and the second steel pipe by using the first adjusting telescopic rod arranged at the top of the center table, after the gap in the outer wall of the first steel pipe and the second steel pipe is welded, then the initial welding sheet is knocked off by starting the high-frequency knocking block, and the broken position is polished by using the polishing wheel.

[0023] Due to the adoption of the above technical scheme, the present application has the following technical progress compared with the prior art:

[0024] 1. The application provides an intelligent welding device for large steel processing and a welding method thereof, wherein the filler particles are discharged into the gap between the first steel pipe and the second steel pipe through the discharge pipe arranged at the bottom of the filler, and the arc welding head arranged at the end of the filler bottom away from the discharge pipe is used to weld and heat the filler particles in the gap between the first steel pipe and the second steel pipe, and the welding is completed after the filler particles are cooled, thereby further solving the problem that in the traditional large steel processing and welding process, the welding surface of the steel pipe needs to be processed in advance when the steel pipe with a large thickness is welded, thereby causing the welding process of the steel pipe to be complicated.

[0025] 2. The application provides an intelligent welding device for large steel processing and a welding method thereof, wherein the welding gun is installed on the inner wall of the electrically-controlled swing table, the gap between the first steel pipe and the second steel pipe is staggered welded by the welding gun, the subsequent poured filler particles are supported, the thin bottom surface generated by the staggered welding of the welding gun on the inner wall of the first steel pipe and the second steel pipe is knocked off by starting the high-frequency knocking block, and then the welding doped remaining on the staggered welding surface is polished flat by starting the polishing wheel again, thereby further solving the problem that in the traditional large steel processing and welding process, the workers need to enter the inside of the steel pipe to work when the large steel pipe is welded, which not only causes the working environment to be crowded and narrow and affects the working efficiency, but also easily inhales the harmful gas generated by welding into the body, thereby affecting the health of the workers. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the application;

[0027] Figure 2 It is a schematic diagram of the internal structure of the application;

[0028] Figure 3 It is a side sectional view of the electrically-controlled swing table of the application;

[0029] Figure 4 It is a schematic diagram of the auxiliary support structure of the application;

[0030] Figure 5 It is a side sectional view of the base of the application;

[0031] Figure 6 It is a schematic diagram of the electric telescopic stand structure of the application;

[0032] Figure 7 It is a schematic diagram of the center table structure of the application;

[0033] Figure 8 It is a schematic diagram of the filler structure of the application;

[0034] Figure 9 It is a schematic diagram of the electrically-controlled swing table structure of the application;

[0035] Figure 10 The application relates to Figure 6 An enlarged schematic view is shown at A in the figure.

[0036] In the figure: 1, base; 2, first steel pipe; 3, second steel pipe; 4, electric control placing table; 5, electric control moving table; 6, supporting column; 7, electric lifting platform; 8, adjusting support; 9, filler; 10, feeding pipe; 11, discharging pipe; 12, electric vibrating rod; 13, fitting support; 14, motor; 15, transmission gear; 16, linkage gear; 17, bidirectional screw rod; 18, moving table; 19, auxiliary support; 20, auxiliary roller; 21, hydraulic telescopic rod; 22, electric telescopic rod; 23, center table; 24, first adjusting telescopic rod; 25, electric control swinging table; 26, welding gun; 27, elastic roller support; 28, stabilizing table; 29, electric roller; 30, second adjusting telescopic rod; 31, high-frequency knocking block; 32, third adjusting telescopic rod; 33, polishing wheel; 34, electric telescopic support; 35, moving block; 36, right-angle linkage rod; 37, fixed support; 38, rubber antiskid block; 39, limiting rod; 40, extension block; 41, roller support; 42, elastic discharging plate; 43, arc straightening welding head. DETAILED DESCRIPTION

[0037] In order to make the technical means, creative features, purposes and effects achieved by the application easy to understand, the application is further described below in combination with specific embodiments.

[0038] As Figures 1 to 10 shown in the figure, the intelligent welding device for large steel machining provided by the embodiment of the application comprises a base 1, a first steel pipe 2 and a second steel pipe 3, one end of the top of the base 1 is fixedly connected with an electric control placing table 4, the top of the electric control placing table 4 is overlapped with the bottom of the first steel pipe 2, and a adjusting mechanism is arranged at the center of the inner cavity of the base 1, the top of the base 1 away from the electric control placing table 4 is provided with an electric control moving table 5, the top of the electric control moving table 5 is rotatably connected with a supporting column 6, a stabilizing mechanism is arranged at the center of the inner wall of the supporting column 6, the top of the supporting column 6 is fixedly connected with an electric lifting platform 7, the output end of the electric lifting platform 7 is provided with an adjusting support 8, the output end of the adjusting support 8 is fixedly connected with a filler 9, the top of the filler 9 is fixedly connected with a feeding pipe 10, one end of the bottom of the filler 9 is fixedly connected with a discharging pipe 11, and an electric vibrating rod 12 is arranged at the center of the bottom of the filler 9, fitting supports 13 are arranged on the two sides of the outer wall of the filler 9, and the bottoms of the fitting supports 13 are respectively overlapped with the tops of the first steel pipe 2 and the second steel pipe 3.

[0039] When working, by setting the electric control moving table 5 at one end of the top of the base 1, adjusting the position of the electric control moving table 5, and rotating the support column 6 arranged at the top of the electric control moving table 5, the second steel pipe 3 is fixed by the rubber anti-skid block 38 from the inner wall of the second steel pipe 3, then the support column 6 is rotated and the second steel pipe 3 is reset by the electric control moving table 5, and the rubber anti-skid block 38 is loosened, so that the second steel pipe 3 is placed on the electric roller 29 arranged at the top of the two ends of the stabilizing table 28, by setting the electric control placing table 4 at the end of the top of the base 1 away from the electric control moving table 5, the first steel pipe 2 is placed on the surface of the electric control placing table 4, the angle of the auxiliary support 19 is adjusted by the hydraulic telescopic rod 21, so that the auxiliary roller 20 arranged at one end of the auxiliary support 19 is attached to the surface of the second steel pipe 3, and the second steel pipe 3 is aligned with the first steel pipe 2, at this time, the electric telescopic rod 22 arranged at the center of the inner wall of the support column 6 is started, so that the output end of the electric telescopic rod 22 drives the center table 23 to move to the joint between the first steel pipe 2 and the second steel pipe 3, and the first adjusting telescopic rod 24 and the third adjusting telescopic rod 32 are started, so that the elastic roller support 27 and the polishing wheel 33 arranged at the output ends of the first adjusting telescopic rod 24 and the third adjusting telescopic rod 32 are attached to the inner wall of the first steel pipe 2 and the second steel pipe 3, at this time, the electric control placing table 4 and the electric roller 29 are started, so that the first steel pipe 2 and the second steel pipe 3 are rotated synchronously, at the same time, the welding gun 26 is started, so that the gap between the inner walls of the first steel pipe 2 and the second steel pipe 3 is staggered welded and preliminarily connected, by setting the electric lifting table 7 at the top of the support column 6, the adjusting support 8 arranged at the output end of the electric lifting table 7 is adjusted, so that the filler 9 arranged at the output end of the adjusting support 8 moves to the gap between the first steel pipe 2 and the second steel pipe 3, and the abutting support 13 arranged at the outer wall of the filler 9 is attached to the surface of the first steel pipe 2 and the second steel pipe 3, so that the electric vibrating rod 12 arranged at the bottom center of the filler 9 is inserted into the gap between the first steel pipe 2 and the second steel pipe 3, at this time, the welding granules are poured into the gap between the first steel pipe 2 and the second steel pipe 3 through the feeding pipe 10 arranged at the top of the filler 9, and discharged through the discharge pipe 11 arranged at the bottom of the filler 9, because the first steel pipe 2 and the second steel pipe 3 are preliminarily welded, the injected welding granules are accumulated with the welding points as the bottom, and the welding granules in the gap are scattered by the electric vibrating rod 12, so as to reduce the gap between the welding granules, at this time, the arc welding head 43 arranged at the end of the bottom of the filler 9 away from the discharge pipe 11 is used to weld and heat the welding granules in the gap between the first steel pipe 2 and the second steel pipe 3, so that the welding granules are fully contacted with the steel, so as to complete the welding after the welding granules are cooled, and the problem that the steel pipe welding process is complicated due to the preliminary processing of the welding surface of the steel pipe with large thickness is solved.

[0040] The adjusting mechanism comprises a motor 14 fixedly connected at the center of the inner cavity of the base 1, and the output end of the motor 14 is fixedly connected with a transmission gear 15, the two sides of the outer wall of the transmission gear 15 are respectively engaged with linkage gears 16, the center of the outer wall of the linkage gears 16 is fixedly connected with a bidirectional screw rod 17, and the two ends of the bidirectional screw rod 17 are rotatably connected with the inner wall of the base 1, the two ends of the outer wall of the bidirectional screw rod 17 are respectively threadedly connected with moving platforms 18, one end of the top of the moving platform 18 is rotatably connected with an auxiliary support 19, one end of the auxiliary support 19 is rotatably connected with an auxiliary roller 20, the top of the moving platform 18 away from the auxiliary support 19 is provided with a hydraulic telescopic rod 21, and the output end of the hydraulic telescopic rod 21 is rotatably connected with the center of the bottom of the auxiliary support 19, the top center of the base 1 is fixedly connected with a stabilizing table 28, the top of the stabilizing table 28 is overlapped with the bottom of the second steel pipe 3, and the top of the stabilizing table 28 is respectively provided with electric rollers 29, and the outer wall of the electric roller 29 is overlapped with the outer wall of the second steel pipe 3.

[0041] In work, the second steel pipe 3 is placed on the surface of the stabilizing table 28, and the electric rollers 29 arranged at the top of the stabilizing table 28 are started to drive the second steel pipe 3 to rotate slowly, when the diameter of the second steel pipe 3 is greater than the arc-shaped placement surface of the stabilizing table 28, the motor 14 arranged at the center of the inner cavity of the base 1 is started to drive the transmission gear 15 arranged at the output end, the linkage gears 16 arranged at the two sides of the outer wall of the transmission gear 15 are driven to rotate, the moving platforms 18 arranged at the two ends of the outer wall of the bidirectional screw rod 17 are driven to move, the hydraulic telescopic rod 21 arranged at one end of the top of the moving platform 18 is used to adjust the opening angle of the auxiliary support 19, and the auxiliary roller 20 arranged at one end of the auxiliary support 19 is overlapped with the outer wall of the second steel pipe 3, so that the second steel pipe 3 is limited, and the deviation between the welding surfaces of the steel pipes is avoided, so that the use of the subsequent steel pipes is affected.

[0042] The stabilizing mechanism comprises an electric telescopic rod 22 fixedly connected at the center of the inner wall of the support column 6, and the output end of the electric telescopic rod 22 is fixedly connected with a center table 23, the top of the center table 23 is fixedly connected with a first adjusting telescopic rod 24, and the output end of the first adjusting telescopic rod 24 is fixedly connected with an electric control swing table 25, the inner wall of the electric control swing table 25 is mounted with a welding gun 26, and the both ends of the outer wall of the electric control swing table 25 are rotatably connected with elastic roller supports 27, and the outer walls of the elastic roller supports 27 are respectively overlapped with the inner walls of the first steel pipe 2 and the second steel pipe 3, the bottom of the center table 23 is fixedly connected with a second adjusting telescopic rod 30, and the output end of the second adjusting telescopic rod 30 is fixedly connected with a high-frequency knocking block 31, the both sides of the outer wall of the center table 23 are respectively mounted with a plurality of third adjusting telescopic rods 32, and the output ends of the third adjusting telescopic rods 32 are fixedly connected with grinding wheels 33, and the outer walls of the grinding wheels 33 are respectively overlapped with the inner walls of the first steel pipe 2 and the second steel pipe 3.

[0043] When working, the electric telescopic rod 22 is arranged at the center of the inner wall of the supporting column 6, and the center table 23 arranged at the output end of the electric telescopic rod 22 is driven to move to the gap between the first steel pipe 2 and the second steel pipe 3, at this time, the third adjusting telescopic rod 32 arranged at the outer wall of the center table 23 is started to make the polishing wheel 33 arranged at the output end of the third adjusting telescopic rod 32 adhere to the inner wall of the first steel pipe 2 and the second steel pipe 3, when the electric control placing table 4 and the electric roller 29 drive the first steel pipe 2 and the second steel pipe 3 to rotate, the polishing wheel 33 is used to polish the gap between the first steel pipe 2 and the second steel pipe 3, when the gap between the first steel pipe 2 and the second steel pipe 3 is polished, the first adjusting telescopic rod 24 arranged at the top of the center table 23 is started to make the electric control swing table 25 arranged at the output end of the first adjusting telescopic rod 24 close to the top of the inner wall of the first steel pipe 2 and the second steel pipe 3, and make the elastic roller support 27 arranged at the two ends of the outer wall of the electric control swing table 25 adhere to the inner wall of the first steel pipe 2 and the second steel pipe 3, at this time, the electric control swing table 25 is started to make the welding gun 26 installed on the inner wall of the electric control swing table 25 continuously swing slightly at the gap between the first steel pipe 2 and the second steel pipe 3, and staggered welding is performed on the gap between the first steel pipe 2 and the second steel pipe 3, so that a thin layer of welding surface is formed on the inner wall of the first steel pipe 2 and the second steel pipe 3, which is convenient for supporting the subsequent poured welding particles, when the outer wall of the first steel pipe 2 and the second steel pipe 3 is welded, the second adjusting telescopic rod 30 arranged at the bottom of the center table 23 is started, and the high-frequency knocking block 31 arranged at the output end of the second adjusting telescopic rod 30 adheres to the bottom of the inner wall of the first steel pipe 2 and the second steel pipe 3, the high-frequency knocking block 31 is started to knock the thin bottom surface generated by the welding gun 26 staggered welding on the inner wall of the first steel pipe 2 and the second steel pipe 3, so that the solid welding surface generated by the welding particles is exposed, when the staggered surface of the inner wall of the first steel pipe 2 and the second steel pipe 3 is completely knocked, the electric telescopic rod 22 is started to drive the center table 23 to move slightly, and the polishing wheel 33 is moved to the gap between the first steel pipe 2 and the second steel pipe 3, and then the polishing wheel 33 is started again to polish the residual welding doped on the welding staggered surface, further solving the problem that in the traditional large steel pipe welding process, workers need to enter the steel pipe to work, which not only affects the work efficiency due to the crowded and narrow working environment, but also easily inhales harmful gas generated by welding into the body, thereby affecting the health of workers.

[0044] The outer wall of the support column 6 is fixedly connected with an electric telescopic support 34 on one side, the output end of the electric telescopic support 34 is fixedly connected with a plurality of moving blocks 35, one end of the inner cavity of the moving block 35 is rotatably connected with a right-angle linkage rod 36, one end of the right-angle linkage rod 36 is rotatably connected with a fixed support 37, the top of the fixed support 37 is fixedly connected with a rubber anti-skid block 38, one end of the right-angle linkage rod 36 close to the inner wall of the fixed support 37 is rotatably connected with a limiting rod 39, one end of the limiting rod 39 is rotatably connected with an extension block 40, and the other end of the extension block 40 away from the limiting rod 39 is fixedly connected with the outer wall of the support column 6 close to the side of the electric telescopic support 34.

[0045] In operation, the electric telescopic support 34 is arranged on one side of the outer wall of the support column 6, a plurality of moving blocks 35 are arranged at the output end of the electric telescopic support 34, when it is necessary to fix the second steel pipe 3, the electric telescopic support 34 is started to push the moving blocks 35 at the output end, and the right-angle linkage rod 36 arranged at one end of the inner cavity of the moving block 35 is pushed to make the other end of the right-angle linkage rod 36 take the fixed support 37 as a fulcrum to push the rubber anti-skid block 38 arranged at the top of the fixed support 37, and the inner wall of the second steel pipe 3 is fitted, during which the limiting rod 39 is arranged at one end of the inner wall of the fixed support 37 close to the right-angle linkage rod 36, and the other end of the limiting rod 39 is connected with the extension block 40, so that the rubber anti-skid block 38 is limited by the limiting rod 39 to avoid the rubber anti-skid block 38 from being warped during the fitting with the inner wall of the second steel pipe 3, thereby causing unstable clamping.

[0046] The bottom of the filler 9 is fixedly connected with a roller support 41 on one side close to the discharge pipe 11, the bottom of the roller support 41 is respectively overlapped with the top of the first steel pipe 2 and the second steel pipe 3, and an elastic discharge plate 42 is rotatably connected between one side of the inner wall of the roller support 41, and an arc welding head 43 is installed at the bottom of the filler 9 away from the discharge pipe 11.

[0047] When working, the roller support 41 is arranged at the bottom of the filler 9 near one side of the discharge pipe 11, the bottom of the roller support 41 is attached to the top of the first steel pipe 2 and the second steel pipe 3, the elastic discharge plate 42 is arranged between the inner wall of the roller support 41, the solder particles discharged from the discharge pipe 11 slide along the elastic discharge plate 42 into the gap between the first steel pipe 2 and the second steel pipe 3, the solder particles in the gap are in contact with the electric vibration rod 12, the solder particles are scattered by the electric vibration rod 12, thereby reducing the gap between the solder particles, at this time, the arc welding head 43 arranged at the bottom of the filler 9 away from the discharge pipe 11 is started, the solder particles in the gap are heated and welded, the solder particles are fully in contact with the welding surface between the first steel pipe 2 and the second steel pipe 3, and the problem that the cavities between the solder particles affect the welding strength of the steel pipe during welding is solved.

[0048] The application discloses an intelligent welding method for large steel processing.

[0049] S1: the first steel pipe 2 and the second steel pipe 3 are respectively placed on the electric control placing table 4 and the stable table 28, the welding surface between the first steel pipe 2 and the second steel pipe 3 is aligned by the adjusting mechanism, then the gap between the inner walls of the first steel pipe 2 and the second steel pipe 3 is initially welded by the stabilizing mechanism, the filler 9 is started after the initial welding is completed, and the gap between the outer walls of the first steel pipe 2 and the second steel pipe 3 is welded by the arc welding head 43.

[0050] S2: the adjusting mechanism drives the bidirectional screw rod 17 by the motor 14, adjusts the moving table 18 arranged at two ends of the outer wall of the bidirectional screw rod 17, adjusts the angle of the auxiliary support 19 by the hydraulic telescopic rod 21, and adjusts the auxiliary roller 20 arranged at one end of the auxiliary support 19 to be attached to the second steel pipe 3.

[0051] S3: the stabilizing mechanism drives the welding gun 26 to initially weld the gap between the inner walls of the first steel pipe 2 and the second steel pipe 3 by the first adjusting telescopic rod 24 arranged at the top of the center table 23, the initial welding sheet is crushed by the high-frequency knocking block 31 after the gap between the outer walls of the first steel pipe 2 and the second steel pipe 3 is welded, and the crushing position is polished by the polishing wheel 33.

[0052] The working principle of the intelligent welding device for large steel processing and the welding method thereof will be described in detail below.

[0053] As Figures 1-10As shown, by setting the electrically controlled moving table 5 at one end of the top of the base 1, adjusting the position of the electrically controlled moving table 5, and rotating the support column 6 provided at the top of the electrically controlled moving table 5, the second steel pipe 3 is fixed by the rubber anti-skid block 38 from the inner wall of the second steel pipe 3, then the support column 6 is rotated and the second steel pipe 3 is reset by the electrically controlled moving table 5, and the rubber anti-skid block 38 is loosened, the second steel pipe 3 is placed on the surface of the stabilizing table 28 provided at the center of the top of the base 1, and the electrically controlled moving table 5 is started to drive the second steel pipe 3 to rotate slowly, when the diameter of the second steel pipe 3 is greater than the arc-shaped placement surface of the stabilizing table 28, the motor 14 provided at the center of the inner cavity of the base 1 is started to drive the transmission gear 15 provided at the output end, and the transmission gear 15 drives the linkage gear 16 provided at both sides of the outer wall to rotate, the linkage gear 16 drives the bidirectional screw rod 17 provided at the center of the outer wall to rotate, the moving table 18 is provided at both ends of the outer wall of the bidirectional screw rod 17, so that the bidirectional screw rod 17 drives the moving table 18 to move, the hydraulic telescopic rod 21 is provided at one end of the top of the moving table 18, the opening angle of the auxiliary support 19 is adjusted by the hydraulic telescopic rod 21, and the auxiliary roller 20 provided at one end of the auxiliary support 19 is attached to the outer wall of the second steel pipe 3, so that the second steel pipe 3 is limited, and deviation between the welding surfaces of the steel pipes is avoided, so that the use of the subsequent steel pipes is affected, the electrically controlled placement table 4 is provided at the end of the top of the base 1 away from the electrically controlled moving table 5, the first steel pipe 2 is placed on the surface of the electrically controlled placement table 4, the angle of the auxiliary support 19 is adjusted by the hydraulic telescopic rod 21, the auxiliary roller 20 provided at one end of the auxiliary support 19 is attached to the surface of the second steel pipe 3, and the second steel pipe 3 is aligned with the first steel pipe 2, at this time, the electrically controlled placement table 4 and the electrically controlled moving table 5 are started to drive the first steel pipe 2 and the second steel pipe 3 to rotate synchronously, at the same time, the welding gun 26 is started to stagger weld the gap between the inner walls of the first steel pipe 2 and the second steel pipe 3, and the inner walls of the first steel pipe 2 and the second steel pipe 3 are preliminarily connected, the electrically controlled lifting table 7 is provided at the top of the support column 6, the electrically controlled lifting table 7 and the adjusting support 8 provided at the output end are adjusted, the filler 9 provided at the output end of the adjusting support 8 is moved to the gap between the first steel pipe 2 and the second steel pipe 3, the abutting support 13 provided at both sides of the outer wall of the filler 9 is attached to the surfaces of the first steel pipe 2 and the second steel pipe 3, the electrically controlled vibrating rod 12 provided at the bottom center of the filler 9 is inserted into the gap between the first steel pipe 2 and the second steel pipe 3, at this time, the welding particles are poured into the filler 9 through the feeding pipe 10 provided at the top of the filler 9,And the filler 9 bottom setting of the discharge pipe 11 into the first steel pipe 2 and the second steel pipe 3 between the gap, due to the first steel pipe 2 and the second steel pipe 3 inside the preliminary welding, so that the injection of the welding particles with the welding point for the bottom accumulation, and use electric vibration rod 12 on the gap in the welding particles for knocking shake, reduce the gap between the welding particles, at this time using the filler 9 bottom away from the discharge pipe 11 one end of the arc welding head 43 on the steel pipe gap in the welding particles for welding heating, and make the welding particles and steel fully contact, so that the welding particles after cooling is completed.

[0054] The above detailed description of the present application is generally made, but on the basis of the present application, some modifications or improvements can be made, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the present application, the modification or improvement is within the scope of the present application.

Claims

1. An intelligent welding device for large-scale steel processing, comprising a base (1), a first steel pipe (2), and a second steel pipe (3), characterized in that: One end of the top of the base (1) is fixedly connected to an electric control platform (4), and the top of the electric control platform (4) overlaps with the bottom of the first steel pipe (2), while an adjustment mechanism is provided at the center of the inner cavity of the base (1). An electric control moving platform (5) is installed at the top of the base (1) away from the electric control placement platform (4). A support column (6) is rotatably connected to the top of the electric control moving platform (5). A stabilizing mechanism is provided at the center of the inner wall of the support column (6). An electric lifting platform (7) is fixedly connected to the top of the support column (6). An adjusting bracket (8) is installed at the output end of the electric lifting platform (7). A stuffer (9) is fixedly connected to the output end of the adjusting bracket (8). A feed pipe (10) is fixedly connected to the top of the stuffer (9). A discharge pipe (11) is fixedly connected to one end of the bottom of the stuffer (9). An electric vibration rod (12) is installed at the center of the bottom of the stuffer (9). Fitting brackets (13) are installed on both sides of the outer wall of the stuffer (9). The bottom of the fitting brackets (13) overlaps with the top of the first steel pipe (2) and the second steel pipe (3) respectively. The adjustment mechanism includes a motor (14) fixedly connected to the center of the inner cavity of the base (1), and a transmission gear (15) fixedly connected to the output end of the motor (14). The transmission gear (15) is meshed with a linkage gear (16) on both sides of its outer wall. A double-acting screw (17) is fixedly connected to the center of the outer wall of the linkage gear (16). The two ends of the double-acting screw (17) are rotatably connected to the inner wall of the base (1). The two ends of the outer wall of the double-acting screw (17) are threadedly connected to a moving platform (18). An auxiliary support (19) is rotatably connected to one end of the top of the moving platform (18), and an auxiliary roller (20) is rotatably connected to one end of the auxiliary support (19). A hydraulic telescopic rod (21) is installed at the top of the moving platform (18) away from the auxiliary support (19), and the output end of the hydraulic telescopic rod (21) is rotatably connected to the center of the bottom of the auxiliary support (19). The stabilizing mechanism includes an electric telescopic rod (22) fixedly connected to the center of the inner wall of the support column (6), and a central platform (23) fixedly connected to the output end of the electric telescopic rod (22). A first adjusting telescopic rod (24) is fixedly connected to the top of the central platform (23), and an electric control swing platform (25) is fixedly connected to the output end of the first adjusting telescopic rod (24). A welding torch (26) is installed on the inner wall of the electric control swing platform (25), and elastic roller brackets (27) are rotatably connected to both ends of the outer wall of the electric control swing platform (25). The outer wall of the elastic roller brackets (27) overlaps with the inner walls of the first steel pipe (2) and the second steel pipe (3), respectively.

2. The intelligent welding device for large-scale steel processing according to claim 1, characterized in that: A stabilizing platform (28) is fixedly connected to the center of the top of the base (1), and the top of the stabilizing platform (28) overlaps with the bottom of the second steel pipe (3). Electric rollers (29) are installed at both ends of the top of the stabilizing platform (28), and the outer wall of the electric rollers (29) overlaps with the outer wall of the second steel pipe (3).

3. The intelligent welding device for large-scale steel processing according to claim 2, characterized in that: The bottom of the central platform (23) is fixedly connected to a second adjusting telescopic rod (30), and the output end of the second adjusting telescopic rod (30) is fixedly connected to a high-frequency striking block (31).

4. The intelligent welding device for large-scale steel processing according to claim 3, characterized in that: Several third adjustment telescopic rods (32) are installed on both sides of the outer wall of the central platform (23), and the output end of the third adjustment telescopic rod (32) is fixedly connected to a grinding wheel (33), and the outer wall of the grinding wheel (33) overlaps with the inner wall of the first steel pipe (2) and the second steel pipe (3).

5. The intelligent welding device for large-scale steel processing according to claim 4, characterized in that: An electric telescopic frame (34) is fixedly connected to one side of the outer wall of the support column (6). Several moving blocks (35) are fixedly connected to the output end of the electric telescopic frame (34). A right-angle linkage rod (36) is rotatably connected to one end of the inner cavity of the moving block (35). A fixed bracket (37) is rotatably connected to one end of the right-angle linkage rod (36). A rubber anti-slip block (38) is fixedly connected to the top of the fixed bracket (37).

6. The intelligent welding device for large-scale steel processing according to claim 5, characterized in that: The inner wall of the fixed bracket (37) is rotatably connected to a limit rod (39) near the right-angle linkage rod (36), and an extension block (40) is rotatably connected to one end of the limit rod (39). The outer wall of the extension block (40) away from the limit rod (39) is fixedly connected to the side of the outer wall of the support column (6) near the electric telescopic frame (34).

7. The intelligent welding device for large-scale steel processing according to claim 6, characterized in that: The bottom of the filler (9) is fixedly connected to a roller bracket (41) on the side near the discharge pipe (11), and the bottom of the roller bracket (41) overlaps with the top of the first steel pipe (2) and the second steel pipe (3) respectively. An elastic discharge plate (42) is rotatably connected between the inner walls of the roller bracket (41). An arc welding head (43) is installed at the bottom of the filler (9) away from the discharge pipe (11).

8. An intelligent welding method for large-scale steel processing, wherein the method employs the intelligent welding device for large-scale steel processing described in claim 7, characterized in that: The method is as follows: S1: By placing the first steel pipe (2) and the second steel pipe (3) on the surfaces of the electric control platform (4) and the stabilizing platform (28) respectively, the welding surfaces between the first steel pipe (2) and the second steel pipe (3) are aligned using the adjustment mechanism. Then, the stabilizing mechanism is used to perform initial welding on the gap between the inner walls of the first steel pipe (2) and the second steel pipe (3). After the initial welding is completed, the filler (9) is started, and the arc welding head (43) is used to weld the gap between the outer walls of the first steel pipe (2) and the second steel pipe (3). S2: The adjustment mechanism drives the bidirectional lead screw (17) through the motor (14) to adjust the moving platform (18) set at both ends of its outer wall, and uses the hydraulic telescopic rod (21) to adjust the angle of the auxiliary support (19), and makes the auxiliary roller (20) set at one end of the auxiliary support (19) fit and adjust with the second steel pipe (3); S3: The stabilizing mechanism pushes the welding gun (26) to perform initial welding on the gap between the inner walls of the first steel pipe (2) and the second steel pipe (3) through the first adjusting telescopic rod (24) set on the top of the central platform (23). After the welding of the gap between the outer walls of the first steel pipe (2) and the second steel pipe (3) is completed, the high-frequency striking block (31) is then activated to break the initial welded sheet, and the grinding wheel (33) is used to grind the broken position.

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