CN112536512A - Shaped steel welding process system - Google Patents

Abstract

The invention relates to a section steel welding processing system, which comprises a submerged-arc welding head, wherein the submerged-arc welding head is used for guiding out a welding wire and carrying out welding operation on a welding seam, the submerged-arc welding head is arranged on a positioning adjusting device, the positioning adjusting device carries out positioning on the submerged-arc welding head, the positioning adjusting device is arranged on a traveling device, the traveling device drives the submerged-arc welding head to move, a welding skin shoveling device is arranged on the positioning adjusting device and used for shoveling welding skins at the welding seam position, a welding flux guiding and recovering device is also arranged on the submerged-arc welding head, the welding flux guiding and recovering device guides out the welding flux to the welding seam position and recovers the welding flux, the section steel can ensure the flatness of a joint surface when carrying out welding operation, the problem of unevenness caused by post-processing is avoided, and the welding flux guiding and recovering device guides out the welding flux when carrying out welding operation, and the export of the welding flux after welding is carried out to remove impurities, thereby realizing the recycling of the welding flux.

Description

Shaped steel welding process system

Technical Field

The invention relates to the technical field of steel structure welding, in particular to a section steel welding processing system.

Background

The common section steel has a plurality of types, the shape of the section steel is mostly an H-shaped or channel steel-shaped structure, a submerged arc welding method is generally adopted for welding in the actual welding process, the welding strength of the section steel can be effectively ensured and the use reliability of the section steel can be ensured due to the characteristics of the submerged arc welding process, when the submerged arc welding is carried out for welding different section steels, the following three problems are mainly to be solved, and one of the three problems is that: when the external corner and the internal corner of the section steel are welded, because the structure of submerged-arc welding is constant, when part of submerged-arc welding equipment is used for welding the external corner of the section steel, when the external corner is positioned, the external corner does not interfere with the submerged-arc welding positioning equipment, so that the external corner is more convenient to weld, and when the internal corner is welded, because the space in the section steel is limited, the operation is very inconvenient when the internal corner is welded; the second is as follows: when the submerged arc welding equipment performs the opposite-type steel welding, when the welding flux is led out to a welding joint surface from a welding agent box, the welding flux is easy to lose from the welding joint surface when being recovered; the third is: the welded welding skin is difficult to eradicate after being eradicated and combined at the welding position, so that a great deal of inconvenience exists in the later-stage section treatment.

Disclosure of Invention

The invention aims to provide a section steel welding processing system which can adapt to accurate welding of a female corner and a male corner of a section, can stably recover formed welding flux and can simultaneously remove welding flux when the section is welded.

The technical scheme adopted by the invention is as follows:

the section steel welding processing system comprises a submerged-arc welding head, wherein the submerged-arc welding head is used for guiding out welding wires and carrying out welding operation on welding seams, the submerged-arc welding head is arranged on a positioning adjusting device, the positioning adjusting device carries out positioning on the submerged-arc welding head, the positioning adjusting device is arranged on a traveling device, the traveling device drives the submerged-arc welding head to move, a welding skin shoveling device is arranged on the positioning adjusting device and used for shoveling welding skins at the welding seam position, a welding flux guiding and recovering device is further arranged on the submerged-arc welding head, and the welding flux guiding and recovering device guides the welding fluxes to the welding seam position and recovers the welding fluxes.

The invention has the technical effects that: when the welding operation is carried out on the section steel, the positioning adjusting device carries out positioning operation on the submerged-arc welding head, the submerged-arc welding head is located at the position of the joint surface of the section steel strip plate, the walking device is started, the submerged-arc welding head moves along the length direction of the joint surface of the section steel strip plate, welding operation on the joint surface is carried out, welding skins at the welding position are synchronously removed by the welding skin removing device along with the welding of the section steel, the flatness of the joint surface can be ensured, the problem of unevenness caused by post-processing is avoided, when the welding operation is carried out on the welding flux, the guiding-out and recycling device carries out guiding-out on the welding flux after welding, impurities are removed, and the welding flux is recycled.

Drawings

FIG. 1 is a top view of a positioning adjustment device and a walking device;

FIG. 2 is a front view of the positioning adjustment device and the walking apparatus;

FIGS. 3 and 4 are schematic views of two visual structures of the positioning adjustment device and the walking device;

FIGS. 5 and 6 are schematic views of two perspective structures of the positioning adjustment device;

FIG. 7 is a front view of the positioning device;

FIGS. 8 and 9 are schematic views of key structures of the positioning adjustment device in FIG. 5;

FIG. 10 is a front view of the weld skin-shoveling apparatus;

FIG. 11 is a left side view of the weld skin-shoveling apparatus;

FIGS. 12 and 13 are schematic views of two perspective views of the weld skin removing apparatus;

fig. 14 and 15 are two view structure diagrams of two blades and a shaking blade in the welding skin removing device;

FIG. 16 is a front view of two blades and a shaking blade in the weld skin removing apparatus;

FIGS. 17 and 18 are schematic views of the shaking mechanism of the skin scraping apparatus from two different angles;

FIGS. 19 and 20 are schematic views of the partial structure of the flux guiding and recycling device;

FIG. 21 is a front view of a screening unit in the flux lead-out recovery apparatus;

FIGS. 22 and 23 are schematic diagrams showing two kinds of perspective structures of the sieving unit in the flux lead-out and recovery device;

FIG. 24 is a cross-sectional view of a screen unit in the flux lead-out recovery unit;

FIGS. 25 and 26 are schematic views of two kinds of view structures of the section steel positioning and guiding-out apparatus;

FIG. 27 is a front view of the section steel positioning and guiding-out apparatus;

FIG. 28, FIG. 29 and FIG. 30 are schematic views of three kinds of views of the partial structure of the positioning and guiding apparatus for the section steel type steel.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention will now be described in detail with reference to the following examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed. As used herein, the terms "parallel" and "perpendicular" are not limited to their strict geometric definitions, but include tolerances for machining or human error, legibility and inconsistency;

specific features of the section steel welding process system are described in detail below with reference to fig. 1 to 30:

the section steel welding processing system comprises a submerged-arc welding head 100, wherein the submerged-arc welding head 100 is used for guiding out welding wires and performing welding operation on welding seams, the submerged-arc welding head 100 is arranged on a positioning adjusting device 200, the positioning adjusting device 200 is used for positioning the submerged-arc welding head 100, the positioning adjusting device 200 is arranged on a walking device, the walking device drives the submerged-arc welding head 100 to move, a welding skin shoveling device 400 is arranged on the positioning adjusting device 200, the welding skin shoveling device 400 is used for shoveling welding skins at welding seam positions, a welding flux guiding and recovering device 500 is further arranged on the submerged-arc welding head 100, and the welding flux guiding and recovering device 500 guides out welding fluxes to the welding seam positions and recovers the welding fluxes;

when the section steel is subjected to welding operation, the positioning adjusting device 200 performs positioning operation on the submerged-arc welding head 100, the submerged-arc welding head 100 is positioned at the joint surface position of the section steel lath, the walking device is started, the submerged-arc welding head 100 moves along the length direction of the joint surface of the section steel lath, welding operation on the joint surface is performed, welding skin at the welding position is synchronously removed by the welding skin removing device 400 along with the welding of the section steel, the joint surface can be ensured to be smooth, the problem of unevenness caused by post-processing is avoided, when the welding flux is subjected to welding operation, the flux guiding and recovering device 500 conducts guiding of the welding flux, guiding of the welding flux after welding is conducted to remove impurities, and recycling of the welding flux is achieved.

For the implementation to the fixed-position welding of slat and the derivation after the welding, shaped steel welding process system still includes shaped steel location derivation equipment 600, shaped steel location derivation equipment 600 is used for implementing upset and derivation to the shaped steel.

More preferably, the positioning adjustment device 200 includes a first positioning frame 210 and a second positioning frame 220, the first positioning frame 210 and the second positioning frame 220 are connected into a whole through a connecting frame 230, the first positioning frame 210 abuts against two sides of the internal corner of the section steel, the second positioning frame 220 abuts against two sides of the external corner of the section steel, and the positions of the first positioning frame 210 and the second positioning frame 220 on the connecting frame 230 are adjustable;

when the submerged arc welding joint 100 is positioned, the submerged arc welding joint is positioned on the welding joint surface of the strip plate, the first positioning frame 210 abuts against two sides of the internal corner of the section steel to adapt to the welding operation of the internal corner of the section steel, the second positioning frame 220 abuts against two sides of the external corner of the section steel to adapt to the welding operation of the external corner of the section steel, and therefore the positions of the first positioning frame 210 and the second positioning frame 220 are adjusted to achieve avoidance of the joint surfaces of the respective positioning frames and the section steel.

As a preferred embodiment of the present invention, in order to position the submerged arc welding head 100, so that the submerged arc welding head 100 can accurately guide the welding position of the slat joint surface, thereby ensuring the welding accuracy, positioning rods 240 are arranged in parallel at intervals beside the submerged arc welding head 100, a positioning ball 241 is arranged at the rod end of each positioning rod 240, each positioning ball 241 abuts against the base surface to be welded, each positioning rod 220 is slidably arranged on a positioning frame 242, each positioning rod 240 extending out of the positioning frame 242 is sleeved with a positioning spring 243, and both ends of each positioning spring 243 abut against the rod end of each positioning rod 240 and the positioning frame 242;

when the inside corner or outside corner welding operation of the slat is performed, the positioning ball 241 of the positioning rod 240 abuts against the slat joint surface, and the positioning spring 243 is compressed, and the submerged arc welding head 100 is brought close to the slat joint surface, thereby performing the welding operation of the slat joint surface.

More specifically, the first positioning frame 210 includes two sets of abutting rods 211, the two sets of abutting rods 211 are respectively slidably disposed on respective abutting brackets 212, the abutting brackets 212 are hingedly disposed on the fixed frame 214 through a first shaft rod 213, the first shaft rod 213 is horizontal and sleeved with a first torsion spring 215, and the first torsion spring 215 enables the abutting rods 211 to be formed into a horizontal state;

when the inner sides of the two strips of the section steel, i.e., the two sides of the internal corner of the section steel, are abutted, the abutting rods 211 abut against the two sides of the strips, and the first shaft rod 213 swings, so that the submerged arc welding head 100 is welded to the joint surfaces of the two strips.

When positioning the submerged arc welding head 100, one end of the abutting rod 211 is provided with a first ball 2111, one end, extending out of the abutting bracket 212, of the abutting rod 211 is sleeved with a telescopic spring 216, two ends of the telescopic spring 216 abut against the rod end of the abutting rod 211 and the abutting bracket 212 respectively, the abutting rod 211 abuts against the strips on two sides of the internal corner of the section steel, and the telescopic spring 216 is compressed, so that the submerged arc welding head 100 is positioned, and welding operation of the strips is achieved.

In order to weld the external corner position of the section steel, the second positioning frame 220 comprises two groups of adjusting frames 221, positioning heads 222 are respectively arranged on the two groups of adjusting frames 221, the positioning heads 222 are horizontally arranged and are in sliding fit with the adjusting frames 221, the positioning heads 222 are arranged in parallel, an extrusion spring 223 is sleeved on a rod body, two ends of the extrusion spring 223 are respectively abutted against the positioning heads 222 and the adjusting frames 221, and the distance between the two groups of positioning heads 222 is adjustable;

when the abutting of the strips on the two sides of the external corner of the section steel is carried out, the positioning head 222 abuts against the strips on the two sides of the external corner, and the pressing spring 223 is compressed, so that the submerged-arc welding head 100 can accurately and automatically guide the position of the joint surface of the strips of the section steel, and the welding accuracy is ensured.

Specifically, the upper ends of the adjusting frames 221 are slidably disposed on the lifting frame 224, a sliding fit in the horizontal direction is formed between the adjusting frames 221 and the lifting frame 224, adjusting nuts 2211 are respectively disposed on the two groups of adjusting frames 221, an adjusting screw 2212 is disposed in the adjusting nut 2211, the adjusting screw 2212 is horizontally disposed and the rod end is rotatably disposed on the lifting frame 224, two groups of screw thread sections with opposite screw directions are disposed on the adjusting screw 2212, and the two groups of screw thread sections are respectively fitted with the respective adjusting nuts 2211;

when the distance between the positioning heads 222 is adjusted, the positioning heads 222 are adapted to the external corner welding operation of the section steels with different sizes and models, the two positioning heads 222 slide along the adjusting frame 221 by rotating the adjusting screw rod 2212, so that the distance between the two positioning heads 222 is synchronously close to or far away from, and further the synchronous adjustment of the submerged-arc welding joint 100 is implemented.

Specifically, in order to implement sliding guidance of the positioning head 222, the elevator frame 224 is provided with an adjusting slide bar 2243, the adjusting slide bar 2243 is arranged in parallel with the adjusting screw rod 2212, and the adjusting frame 221 and the adjusting slide bar 2243 form a sliding connection.

Preferably, to achieve the sliding guiding of the positioning head 222, the positioning head 222 is rod-shaped and the rod end is provided with a snap ball 2221.

In order to enable the positioning head 222 to be close to the external corner of the section steel, the lifting frame 224 is vertically and slidably arranged on a lifting mechanism, and the lifting mechanism drives the lifting frame 224 to vertically move and enables the two groups of adjusting frames 221 to abut against the groove plates on two sides of the external corner of the channel steel.

Specifically, when precise lifting of the positioning head 222 is performed, the lifting mechanism includes a vertical driving beam 250, the vertical driving beam 250 is vertically and slidably disposed on the connecting bracket 230, a vertical guiding rod 254 is disposed on the connecting bracket 230, the upper end of the vertical guiding rod 254 and the connecting bracket 230 form a sliding fit, a lifting toothed bar 251 is disposed on the vertical driving beam 250, the lifting toothed bar 251 is engaged with a lifting gear 252, the lifting gear 252 is connected with a lifting motor 253, and the lifting motor 253 is fixed on the connecting bracket 230;

starting a lifting motor 253 to vertically lift the driving beam 250, so as to realize vertical movement of the positioning head 222, so that the positioning head 222 is clamped at the plate surfaces on two sides of the external corner of the section steel, and the welding operation of the submerged-arc welding joint 100 is realized;

the traveling device comprises a traveling rail, a traveling slider is arranged on the traveling rail, and the traveling slider is connected with the connecting bracket 230, so that the whole positioning and adjusting device 200 and the submerged-arc welding head 100 are driven to travel, and the welding operation of the laths on the two sides of the section steel is implemented.

In order to adapt to the welding operation of trapezoid section steel with one end narrow and one end narrow, a lifting slide bar 2241 is arranged on the lifting rack 224, the lifting slide bar 2241 is vertical and forms sliding fit with the vertical driving beam 250, a lifting spring 2242 is sleeved on the rod body of the lifting slide bar 2241, and two ends of the lifting spring 2242 are respectively abutted against the lifting rack 224 and the driving beam 250;

the lifting/lowering 224 is vertically slidably engaged with the driving beam 250 by the lifting/lowering slide bar 2241, so that the lifting/lowering spring 2242 is extended or compressed as the traveling device carries the entire positioning/adjusting device 200 and the submerged arc welding head 100 along the longitudinal direction of the section steel and the section steel is narrowed or widened, thereby performing the welding operation on the external corner of the section steel of this type.

More specifically, in order to adapt the submerged arc welding joint 100 to section steel welding operations with different external angle angles, the positioning frame 242 is rotatably and adjustably arranged on the deflecting frame 245 through a first deflecting shaft, the deflecting frame 245 is rotatably arranged on the driving beam 250 through a second deflecting shaft, a deflecting adjusting mechanism is arranged on the driving beam 250 and used for adjusting the rotation of the deflecting frame 245, the first deflecting shaft is horizontally arranged, and the second deflecting shaft is vertically arranged.

Specifically, in order to implement the deflection and the reset of the deflection frame 245, a first deflection spring 2441 is sleeved on the first deflection shaft, two ends of the first deflection spring 2441 are respectively connected with the positioning frame 242 and the first deflection shaft, the submerged-arc welding joint 100 on the positioning frame 242 is in a vertical state by the first deflection spring 2441, a second deflection spring 2461 is sleeved on the second deflection shaft, and two ends of the second deflection spring 2461 are respectively abutted against the first deflection shaft and the deflection frame 245;

the connection between the deflecting frame 245 and the driving beam 250 through the two deflecting springs enables the submerged arc welding joint 100 to be close to the welding joint surface of the section steel, so that the reliable welding operation of the section steel is realized.

More specifically, to implement the adjustment of the deflection angle of the positioning frame 242 and the submerged arc welding head 100, so as to adapt to the welding operation of the section steel with different external angle angles, the deflection adjusting mechanism includes a deflection gear 2462 disposed at the end of the second deflection shaft, the deflection gear 2462 is meshed with an adjusting rack 2463, one end of the adjusting rack 2463 is provided with a deflection nut 2464, a deflection screw 2465 is disposed in the deflection nut 2464, one end of the deflection screw 2465 is rotatably disposed on the deflection frame 245, the deflection screw 2465 is arranged in parallel with the adjusting rack 2463, the driving beam 250 is provided with a deflection sliding rod 2511, the deflection sliding rod 2511 is parallel with the adjusting rack 2463, and one end of the adjusting rack 2463 is slidably disposed on the deflection sliding rod 2511.

In order to implement bending deflection of the welding rod and lead out the welding rod to adapt to the submerged arc welding head 100, two groups of deflection guide rollers 2421 are rotatably arranged on the positioning rack 242, a clamping port for clamping the welding rod is formed between the deflection guide rollers 2421, and the deflection guide rollers 2421 are arranged in parallel with a first deflection shaft;

the welding rod feeding device comprises a feeding roller, the feeding roller is led out to a traction roller through a steering roller, the traction roller is led out to a deflection guide roller 2421 through a guide pipe, and the deflection adjusting mechanism can deflect the welding rods so as to adapt to the external corner welding operation at different angles.

Specifically, in order to realize the constraint of the deflecting rack 245 during deflecting, two groups of blocking arms 2451 are rotatably arranged on the deflecting rack 245, a torsion spring 2452 is arranged between the two groups of blocking arms 2451 and the deflecting rack 245, two ends of the torsion spring 2452 are respectively connected with the blocking arms 2451 and the deflecting rack 245, a blocking rod 2453 is arranged at the other end of each group of blocking arms 2451, the blocking rod 2453 abuts against one side of the positioning rack 242, and the blocking rod 2453 is arranged in parallel with the first deflecting shaft.

After the walking equipment drives the submerged-arc welding joint 100 to weld along the strip plate of the section steel, in order to implement synchronous shoveling of the produced welding skin to ensure the flatness of the welding position, the welding skin shoveling equipment 400 comprises two shoveling knives 410, opposite sides of the two shoveling knives 410 are connected through a hinged shaft, a reset torsion spring 411 is sleeved on the hinged shaft, the reset torsion spring 411 enables the two shoveling knives 410 to be coplanar, the two shoveling knives 410 are connected with a shoveling skin driving mechanism, the shoveling skin driving mechanism drives the two shoveling knives 410 to rotate around the hinged shaft and to be attached to two sides of the internal corner or the external corner of the section steel, and the welding skin shoveling equipment 400 is arranged on the submerged-arc welding joint 100;

when the lifting driving mechanism drives the submerged-arc welding joint 100 to vertically move, the two shoveling tools 410 are abutted to the external corner, the two shoveling tools 410 rotate around the hinged shaft in the nasal cavity, the reset torsion spring 411 is compressed, the two shoveling tools 410 are abutted to the external corner or the two sides of the external corner of the section steel, and when the submerged-arc welding joint 100 is dragged by the walking equipment to walk to weld the section steel, the two shoveling tools 410 can shovel off welding skins on the internal corner or the external corner, so that the flatness of the welding position after the section steel is machined is ensured.

As a preferred scheme of the present invention, two shaking blades 420 are attached to the lower portions of the two blades 410, the two shaking blades 420 are attached to the two blades 410 and form a sliding fit, the two shaking blades 420 are connected to a shaking mechanism, and the shaking mechanism drives the two shaking blades 420 to repeatedly slide along the length direction of the two blades 410;

when the welding torch is scooped, the above-described shaking mechanism drives the shaking blade 420 to repeatedly slide along the longitudinal direction of the two blades 410, so that the welding torch can be reliably scooped, and the flatness of the welding position can be ensured.

Specifically, the two shaking blades 420 are slidably connected with a hinge shaft between the two blades 410, an arc-shaped protruding strip 421 and an arc-shaped groove 422 are respectively arranged between the two shaking blades 420, the arc-shaped protruding strip 421 is clamped in the arc-shaped groove 422, a return spring 423 is further arranged on the hinge shaft between the two blades 410, and two ends of the return spring 423 are respectively connected with the two blades 410 and the two shaking blades 420 in an abutting manner;

to connect the two shaking blades 420 and the two cutting blades 410, the two shaking blades 420 shake and compress the return spring 423 to perform a welding-spot removing operation, thereby ensuring flatness of the welding position.

In order to drive the two shaking blades 420, the two shaking blades 420 are provided with shaking rods 424, the shaking rods 424 are arranged along the length direction of the shaking blades 420, the shaking mechanism comprises a driving roller 430, the driving roller 430 abuts against one side of the section steel, one end of the roller center of the driving roller 430 is meshed with a first gear 431, the first gear 431 is meshed with a second gear 432, the center of the second gear 432 is provided with a shaking dial wheel 433, and the rim of the shaking dial wheel 433 abuts against one end of the shaking rods 424;

the driving roller 430 abuts against one side plate surface of the section steel, when the submerged-arc welding head 100 moves along the length direction of a welding seam, the driving roller 430 rotates, when the driving roller 430 rotates, the driving roller can rapidly rotate the shaking poking wheel 433 through a group of gears with high gear ratios of the first gear 431 and the second gear 432, so that the shaking rod 424 can be rapidly poked, the two shaking blades 420 can be rapidly driven, and the welding seam can be shoveled;

in order to realize the shifting of the shaking rod 424, one end of the rod end of the shaking rod 442, which is provided with the shaking rod 424, is provided with a shaking ball 4241, and the shaking ball 4241 abuts against the rim of the shaking dial wheel 433.

In order to lift the two blades 410 so that the two blades 410 can be suitable for removing welding skin at an internal corner or an external corner, the cutting skin driving mechanism comprises a first connecting rod 411 hinged to one side plate surface of the two blades 410, the other end of the first connecting rod 411 is hinged to a driving sliding block 412, hinged shafts at two ends of the first connecting rod 411 and hinged shafts of the two blades 410 are arranged in parallel, a driving sliding rod 413 is arranged on the driving sliding block 412, the driving sliding rod 413 is vertical, a rod end of the driving sliding rod 413 is in sliding fit with a positioning rack 242 comprising the submerged-arc welding joint 100, a driving spring 414 is sleeved on the driving sliding rod 413, and two ends of the driving spring 414 are abutted to the positioning rack 242 and the driving sliding block 412 respectively;

when the driving slider 412 vertically goes up and down, the driving spring 414 is compressed, so that the first connecting rod 411 drives the two blades 410 to abut against the laths at the two sides of the internal corner or the external corner of the section steel, and welding skin can be effectively removed along with the movement process of the submerged arc welding joint 100.

To say that the driving roller 430 is elastically abutted against the steel strip plate, and two blades 410 are elastically abutted against the internal corner or the external corner, the driving roller 430 is rotatably arranged on the driving suspension arm 434, the shaking blade 420 is provided with a bracket 4201, the bracket 4201 is internally provided with a shaking rod 424 in a sliding manner, the shaking rod 424 and the bracket form a sliding fit perpendicular to the shaking blade 420, the shaking rod 424 is horizontally and slidably arranged on a connecting bracket, the connecting bracket is connected with the driving suspension arm 434, and the driving suspension arm 434 is connected with the driving slider 412 through a connecting spring 435.

More specifically, in order to realize the flattening operation of the welding seam after the welding skin is removed, a flattening and crimping mechanism is arranged behind the two shaking blades 420, the flattening and crimping mechanism is used for performing roll flattening on the welding seam position, the flattening and crimping mechanism comprises two groups of friction rollers 440, one end of each friction roller 440 is rotatably arranged at one end of each extrusion cantilever 441, the other end of each extrusion cantilever 441 is hinged to an avoiding slide block 442 through a hinge shaft, an extrusion torsion spring is sleeved on the hinge shaft of each extrusion cantilever 441, the avoiding slide block 442 is connected with a piston rod of a lifting cylinder 443, and the piston rod of the lifting cylinder is vertically arranged;

the lifting cylinder 443 has a vertical center, so that the two sets of friction rollers 440 elastically abut against the male corner welding seam, and the welding seam is ground flat along with the rotation of the friction rollers 440, and the flatness of the welded section steel is ensured.

In order to carry out leveling operation on a reentrant corner weld, the leveling press mechanism comprises a hook head 450, one end of the hook head 450 is provided with a hook ball 4501, the hook head 450 is arranged on a telescopic frame 451 in a sliding manner, a hook spring 452 is sleeved on the hook head 450, the hook spring 452 abuts against the hook head 450 and the telescopic frame 451 respectively, the telescopic frame 451 is rotatably arranged on an alignment slide block 453, an alignment torsion spring 454 is arranged between the telescopic frame 451 and the alignment slide block 453, the alignment slide block 453 is connected with a piston rod of an alignment cylinder 455, and the piston rod of the alignment cylinder 455 is vertically arranged;

when the alignment cylinder 455 moves down, the alignment torsion spring 454 deflects, and the hooking head 450 abuts against the inside corner weld of the profile steel, so that the position of the inside corner weld can be accurately found, the weld can be hooked flatly, and the flatness of the weld is ensured.

The operation of guiding out and recovering the welding flux for removing impurities is described in detail below, the welding flux guiding and recovering device 500 comprises a hopper 510, the hopper 510 is provided with a conduit 520, the conduit 520 is linked with a submerged arc welding joint 100, an adsorption head is arranged beside the submerged arc welding joint 100 and is communicated with an air inlet of a suction unit, a discharge of the adsorption head is provided with a screening unit, and the screening unit is used for screening impurities in welding;

flux is charged into the hopper 510 and is led out from the conduit 520 into the submerged arc welding head 100, the adsorption head is started to adsorb the flux in accordance with the welding of the weld, and then the iron slag in the flux is separated by the sieving unit, thereby realizing the recycling of the flux.

In order to avoid the overflow of the welding flux during the welding at the external corner position and to implement the receiving of the welding flux, a material receiving groove 540 is arranged on the submerged arc welding joint 100 in a sliding manner, one side of the material receiving groove 540 is connected with the submerged arc welding joint 100 through an expansion spring 541, one side of a material receiving groove plate 540 is abutted against one side of the section steel, the material receiving groove 540 is arranged in an inclined manner, a suction opening 542 is arranged at the lower end position of the material receiving groove 540, and the suction opening 542 is communicated with an air inlet of a suction unit;

the material receiving groove 540 is used for abutting against one side of the section steel, when the welding flux is led out along the length direction of the welding seam, redundant welding is left on the material receiving groove plate 540, and the suction operation of the welding flux can be implemented by utilizing the suction opening 542 so as to realize the receiving operation of the welding flux.

Specifically, for make connect the butt of silo 540 and shaped steel one side to the implementation is to the effective accepting of solder flux, connect silo 540's tank bottom one side and cell wall to pass through the articulated shaft and be connected, the cover is equipped with reset torsion spring on the articulated shaft, reset torsion spring makes the tank bottom and the cell wall that connect silo 540 be in the vertical state.

More specifically, in order to implement reliable sieving operation on the flux adsorbed into the sieving unit, the sieving unit comprises a sieving cylinder 550, a scattering unit is arranged at a feed inlet at the upper end of the sieving cylinder 550 and implements scattering effect on the pumped welding, an oscillating unit is arranged on a material guide path of the sieving cylinder 550 and implements oscillation on the material, a magnetic attraction unit is arranged in the sieving cylinder 550 and is used for implementing adsorption on metal impurities in the material;

when implementing the screening to the solder flux, at first implement the operation of breaing up of adsorbing the solder flux in advancing screening section of thick bamboo 550 through the unit of breaing up, the solder flux of scattering is derived along screening section of thick bamboo 550 to utilize the vibration unit to implement the vibration to the solder flux after scattering, make the solder flux circuitous the derivation along the material passageway, and inhale under the adsorption of unit, with the absorption of iron fillings in the solder flux, and then realize screening the material.

Specifically, a dispersing cover 551 is arranged in a barrel cavity of the sieving barrel 550, a passage for materials is formed between the outer wall of the dispersing cover 551 and the inner wall of the sieving barrel 550, the scattering unit comprises a gully 5511 arranged on the outer wall of the dispersing cover 551, the gully 5511 extends from the top end of the dispersing cover 551 to the bottom end, the gully 5511 is positioned at the top end of the dispersing cover 551 and is in a rotating shape, the gully 5511 extends to the bottom end of the dispersing cover 551 and is in a vertical state, dispersing blades 552 are arranged at the upper end of the dispersing cover 551, the dispersing blades 551 and the dispersing cover are concentrically arranged, and the dispersing blades 552 are connected with a power unit;

after a group of section steel is welded, redundant flux is pumped out to a position of a feeding hole of the screening cylinder 550 through the suction unit, then the dispersing blade 552 is started, so that the flux is scattered between the dispersing blade 551 and the dispersing cover 551, the scattered flux forms a rotary passage through the gullies 5511 arranged in a shape of a rotating ring at the upper end and is led out from the lower end of the gullies 5511, and therefore the flux is led out, and the gullies 5511 can effectively determine a flux leading-out path so as to conveniently process the scattered flux.

In order to realize oscillation of the scattered welding flux and make the welding flux appear cast and scattered, an outward expansion section 553 is arranged at the middle section of the cylinder cavity of the screening cylinder 550, the diameter of the inner wall of the outward expansion section 553 is larger than the inner diameters of the two ends of the screening cylinder 550, a material guide inclined plane 5531 is arranged on the inner wall of the outward expansion section 553, and the magnetic suction unit is arranged at the outer side position of the material guide inclined plane 5531;

after the flux is dispersed by the dispersing blades 551, the flux is led out to the position between the outward expanding section 553 and the dispersing return section 551 and is led out to the position of the guide inclined plane 5531, so that the flux is guided, the flux is dispersed, the magnetic unit is started, and the iron core remaining in the flux can be effectively trapped and led out.

More specifically, the outer wall of the dispersion cover 551 at the position of the outer expanding section 553 is provided with a through hole 5512 in the circumferential direction, the center of the dispersion cover 551 is provided with a beating roller brush 554, the bristles of the beating roller brush 554 extend out of the through hole 5512, and the center of the beating roller brush 554 is connected with the center of the dispersion blade 552;

when the flux is led out to the position of the outward expansion section 553, the beating roller brush 554 rotates, and the brush bristles extend out of the position of the through hole 5512, so that effective beating of the flux is implemented, the flux is thrown out to the position of the outward expansion section 553, the flux is led along the guide inclined plane 5531, the flux is further dispersed and arranged along the guide inclined plane 5531 to be led out, and metal in the flux is convenient to remove and separate.

More specifically, a plurality of material separation grooves 5532 are provided on the guide slope 5531, the material separation grooves 5532 extend along the inclined direction of the guide slope 5531, and a plurality of material separation grooves 5532 are provided along the circumferential direction of the guide slope 5531;

the plurality of material separating grooves 5532 are formed by arranging the material guiding inclined surfaces 5531 in a plurality along the circumferential direction of the screening cylinder 550 so as to restrain the flux, so that the flux is led out along the channel so as to lead out the flux.

More specifically, in order to adsorb iron filings in the thrown-away flux, the magnetic attraction unit comprises three groups of electromagnets 555, wherein one group of electromagnets is arranged at the position of the large-size outer diameter of the outward expansion section 553, the other group of electromagnets is arranged at the position of the outer side of the outlet of the guide inclined plane 5531 of the outward expansion section 553, the third group of electromagnets is arranged at the position of the inner wall of the dispersion cover 551, and the three groups of electromagnets 555 are all of annular structures.

More specifically, in order to implement separation of the recycled flux in the flux from the scrap iron, the lower end of the screening cylinder 550 is in a closed-up shape, a material turning valve plate 556 is arranged in a cavity of the closed-up cylinder of the screening cylinder 550, the material turning valve plate 556 is connected with a stirring unit, and the stirring unit drives the material turning valve plate 556 to swing and respectively guides the two materials into respective material conveying pipelines;

the flux of separation is derived from the lower extreme export of screening section of thick bamboo 550 to derive to the hopper 510 in, thereby realize the reuse to the flux, the iron fillings metal that rejects stops on screening section of thick bamboo 550 and dispersion cover 551, the electro-magnet outage, the upset of material turnover valve plate 556 for the metal fillings are derived from another export, in order to accomplish the separation to impurity.

In order to realize the operations of leading-in, positioning, clamping and welding the plate material of the section steel, the section steel positioning leading-out equipment 600 comprises a first positioning guide frame 610 and a second positioning guide frame 620, the included angle between the first positioning guide frame 610 and the second positioning guide frame 620 is adjustable, clamping units are respectively arranged on the outer sides of the first positioning guide frame 610 and the second positioning guide frame 620, and the clamping units are used for clamping the section steel;

the plate materials of the section steel are respectively led out to the first positioning guide frame 610 and the second positioning guide frame 620, the included angle between the front part of the first positioning guide frame 610 and the front part of the second positioning guide frame 620 is adjusted to be matched with the set included angle between the section steel, the clamping unit is used for clamping the plate materials on the first positioning guide frame 610 and the second positioning guide frame 620, the walking equipment is started, and therefore the positioning adjusting mechanism 200 and the submerged arc welding head 100 move along the length direction of the welding seam, and the welding operation of the plate material combination position is achieved.

As a preferred embodiment of the present invention, the first positioning guide frame 610 and the second positioning guide frame 620 are both provided with an end aligning mechanism, and the end aligning mechanism drives the single material plate to move and aligns the end of one side;

the end part aligning mechanism can be used for effectively aligning the end part of one side of a single plate, so that the positioning operation of two plates to be welded is realized, the end surfaces to be welded are aligned, the welding accuracy of the section steel is ensured, and the secondary processing is avoided.

More specifically, in order to guide a first positioning guide frame 610 and a second positioning guide frame 620 out of a profile which is introduced or welded to a panel, the first positioning guide frame 610 and the second positioning guide frame 620 are further provided with a guiding mechanism respectively, and the guiding mechanism is used for guiding the panel into or out of the first positioning guide frame 610 and the second positioning guide frame 620;

the guiding and conveying mechanism guides two independent plates to the first positioning material guiding frame 610 and the second positioning material guiding frame 620, and after the two independent plates are welded, the guiding and conveying mechanism is started again to guide the welded section steel out.

Preferably, in order to adjust the included angle between the first positioning guide frame 610 and the second positioning guide frame 620, the middle sections of the first positioning guide frame 610 and the second positioning guide frame 620 are hinged to the frame through a hinge shaft, hinge shafts connected to the frame through the first positioning guide frame 610 and the second positioning guide frame 620 are horizontal and arranged in parallel to the respective length directions thereof, the first positioning guide frame 610 and the second positioning guide frame 620 are respectively hinged to one end of an adjusting link 631, the other end of the adjusting link 631 is hinged to a respective adjusting block 632, the hinge shafts at the two ends of the adjusting link 631 are arranged in parallel to the hinge shafts connected to the frame through the first positioning guide frame 610 and the second positioning guide frame 620, a nut is arranged on the adjusting block 632, a lead screw 633 is arranged in the nut, the lead screw 633 is rotatably arranged on the frame, and an adjusting motor drives the lead screw 633 to rotate, the lead screw 633 is arranged vertically.

In order to clamp the sheet material on the first positioning guide frame 610 and the second positioning guide frame 620, so as to ensure the precision of welding the sheet material, the clamping unit includes a clamping roller 641 disposed on the first positioning guide frame 610 and the second positioning guide frame 620, the clamping roller 641 is disposed parallel to the hinge axis of the first positioning guide frame 610 and the second positioning guide frame 620, one end of the clamping roller 641 is connected to a clamping arm 642, the clamping arm 642 is hinged to the first positioning guide frame 610 and the second positioning guide frame 620, the hinge axis is disposed parallel to the length direction of the clamping roller 641, the middle position of the clamping arm 642 is hinged to the piston rod of a clamping cylinder 643, and the cylinder body of the clamping cylinder 643 is hinged to the respective first positioning guide frame 610 and the second positioning guide frame 620.

More specifically, to align the end faces of the welding positions of the panels, the end aligning mechanism includes aligning rollers 650 disposed on the first positioning guide frame 610 and the second positioning guide frame 620, the aligning rollers 650 are respectively perpendicular to the planes of the first positioning guide frame 610 and the second positioning guide frame 620, the aligning rollers 650 are rotatably disposed on an aligning bracket 651, and the aligning bracket 651 and the width directions of the first positioning guide frame 610 and the second positioning guide frame 620 form an adjustable fit.

Preferably, the alignment brackets 651 are slidably disposed on the respective first positioning guide frame 610 and second positioning guide frame 620, an alignment avoiding spring 652 is arranged on one side of the alignment bracket 651, the alignment avoiding spring 652 is arranged along the width direction of the first positioning guide frame 610 and the second positioning guide frame 620, the alignment springs 652 are disposed at intervals along the length of the first positioning guide frame 610 and the second positioning guide frame 620, the other end of the alignment avoidance spring 652 abuts against an adjustment bracket 653, the adjustment bracket 653 is provided with an alignment nut 6531, an alignment screw 6532 is arranged in the alignment nut 6531, the alignment screw 6532 is arranged along the width direction of the first positioning guide frame 610 and the second positioning guide frame 620, the alignment screw 6532 is respectively rotatably disposed on the first positioning guide frame 610 and the second positioning guide frame 620, and one end of the alignment screw is connected to the alignment motor.

An extrusion alignment roller 654 is arranged beside the first positioning material guide frame 610 and the second positioning material guide frame 620, the extrusion alignment roller 654 is connected with an alignment lifting mechanism, and the alignment lifting mechanism drives the extrusion alignment roller 654 to move up and down and performs alignment operation on the end surfaces of the two plates of the section steel;

after the alignment motor is started, the adjusting bracket 653 slides along the length direction of the first positioning guide frame 610 and the second positioning guide frame 620, so that one end of the plate is extended, the extruding alignment roller 654 is started, the alignment avoiding spring 652 is compressed, and the welding ends of the two plates are aligned, so that the welding accuracy of the profile steel is ensured.

Claims (10)

1. Shaped steel welding process system, its characterized in that: the welding device comprises a submerged-arc welding head (100), wherein the submerged-arc welding head (100) is used for guiding out a welding wire and carrying out welding operation on the welding wire, the submerged-arc welding head (100) is arranged on a positioning adjusting device (200), the positioning adjusting device (200) carries out positioning on the submerged-arc welding head (100), the positioning adjusting device (200) is arranged on a walking device, the walking device drives the submerged-arc welding head (100) to move, a welding skin shoveling device (400) is arranged on the positioning adjusting device (200), the welding skin shoveling device (400) is used for shoveling welding skins at a welding seam position, a welding flux guiding and recovering device (500) is further arranged on the submerged-arc welding head (100), and the welding flux guiding and recovering device (500) is used for guiding out the welding flux to the welding seam position and recovering the welding flux; the section steel welding processing system further comprises section steel positioning and guiding equipment (600), wherein the section steel positioning and guiding equipment (600) is used for overturning and guiding the section steel.

2. The section steel welding processing system according to claim 1, characterized in that: the positioning adjusting device (200) comprises a first positioning frame (210) and a second positioning frame (220), the first positioning frame (210) and the second positioning frame (220) are connected into a whole through a connecting rack (230), the first positioning frame (210) is abutted against two sides of an internal corner of the section steel, the second positioning frame (220) is abutted against two sides of an external corner of the section steel, and the positions of the first positioning frame (210) and the second positioning frame (220) on the connecting rack (230) are adjustable;

positioning rods (240) are arranged on the lateral sides of the submerged arc welding joint (100) in parallel at intervals, positioning balls (241) are arranged at the rod ends of the positioning rods (240), the positioning balls (241) are abutted to a base surface to be welded, the positioning rods (220) are arranged on the positioning rack (242) in a sliding mode, positioning springs (243) are sleeved on the positioning rods (240) extending out of the positioning rack (242), and two ends of each positioning spring (243) are abutted to the rod ends of the positioning rods (240) and the positioning rack (242).

3. The section steel welding processing system according to claim 2, characterized in that: the first positioning frame (210) comprises two groups of abutting rods (211), the two groups of abutting rods (211) are respectively arranged on the respective abutting supports (212) in a sliding mode, the abutting supports (212) are hinged to the fixed frame (214) through first shaft rods (213), the first shaft rods (213) are horizontal and sleeved with first torsion springs (215), and the first torsion springs (215) enable the abutting rods (211) to be in a horizontal forming state;

a first ball (2111) is arranged at one end of the abutting rod (211), an expansion spring (216) is sleeved at one end, extending out of the abutting support (212), of the abutting rod (211), and two ends of the expansion spring (216) are abutted to the rod end of the abutting rod (211) and the abutting support (212) respectively;

the second positioning frame (220) comprises two groups of adjusting frames (221), positioning heads (222) are respectively arranged on the two groups of adjusting frames (221), the positioning heads (222) are horizontally arranged and are in sliding fit with the adjusting frames (221), the positioning heads (222) are arranged in parallel, an extrusion spring (223) is sleeved on a rod body, two ends of the extrusion spring (223) are respectively abutted against the positioning heads (222) and the adjusting frames (221), and the distance between the two groups of positioning heads (222) is adjustable;

the upper ends of the adjusting frames (221) are slidably arranged on a lifting rack (224), the adjusting frames (221) and the lifting rack (224) are in sliding fit in the horizontal direction, adjusting nuts (2211) are respectively arranged on the two groups of adjusting frames (221), adjusting screw rods (2212) are arranged in the adjusting nuts (2211), the adjusting screw rods (2212) are horizontally arranged, rod ends of the adjusting screw rods are rotatably arranged on the lifting rack (224), two groups of screw thread sections with opposite screw directions are arranged on the adjusting screw rods (2212), and the two groups of screw thread sections are respectively matched with the respective adjusting nuts (2211);

an adjusting slide rod (2243) is arranged on the lifting rack (224), the adjusting slide rod (2243) and the adjusting screw rod (2212) are arranged in parallel, and the adjusting rack (221) and the adjusting slide rod (2243) form sliding connection;

the positioning head (222) is rod-shaped, and a clamping ball (2221) is arranged at the rod end.

4. The section steel welding processing system according to claim 3, characterized in that: the lifting frame (224) is vertically and slidably arranged on a lifting mechanism, the lifting mechanism drives the lifting frame (224) to vertically move, and two groups of adjusting frames (221) are abutted against the groove plates on two sides of the external corner of the channel steel;

the lifting mechanism comprises a vertical driving beam (250), the vertical driving beam (250) is vertically and slidably arranged on the connecting bracket (230), a vertical guide rod (254) is arranged on the vertical driving beam (250), the upper end of the vertical guide rod (254) is in sliding fit with the connecting bracket (230), a lifting tooth rod (251) is arranged on the vertical driving beam (250), the lifting tooth rod (251) is meshed with a lifting gear (252), the lifting gear (252) is connected with a lifting motor (253), and the lifting motor (253) is fixed on the connecting bracket (230);

be provided with lift slide bar (2241) on elevator frame (224), lift slide bar (2241) is vertical and constitute sliding fit with vertical drive crossbeam (250), the cover is equipped with lift spring (2242) on the pole body of lift slide bar (2241), the both ends of lift spring (2242) support with elevator frame (224) and drive crossbeam (250) respectively and lean on

The positioning rack (242) is rotatably and adjustably arranged on a deflection rack (245) through a first deflection shaft, the deflection rack (245) is rotatably arranged on a driving beam (250) through a second deflection shaft, a deflection adjusting mechanism is arranged on the driving beam (250) and is used for adjusting the rotation of the deflection rack (245), the first deflection shaft is horizontally arranged, and the second deflection shaft is vertically arranged;

a first deflection spring (2441) is sleeved on the first deflection shaft, two ends of the first deflection spring (2441) are respectively connected with the positioning rack (242) and the first deflection shaft, the submerged-arc welding joint (100) on the positioning rack (242) is in a vertical state due to the first deflection spring (2441), a second deflection spring (2461) is sleeved on the second deflection shaft, and two ends of the second deflection spring (2461) are respectively abutted against the first deflection shaft and the deflection rack (245);

the deflection adjusting mechanism comprises a deflection gear (2462) arranged at the end part of a second deflection shaft, the deflection gear (2462) is meshed with an adjusting rack (2463), one end of the adjusting rack (2463) is provided with a deflection nut (2464), a deflection lead screw (2465) is arranged in the deflection nut (2464), one end of the deflection lead screw (2465) is rotatably arranged on a deflection frame (245), the deflection lead screw (2465) is arranged in parallel with the adjusting rack (2463), a deflection slide bar (2551) is arranged on the driving cross beam (250), the deflection slide bar (2451) is parallel with the adjusting rack (2463), and one end of the adjusting rack (2463) is slidably arranged on the deflection slide bar (2451);

two groups of deflection guide material rollers (2421) are rotatably arranged on the positioning rack (242), a clamping opening for clamping a welding rod is formed between the deflection guide material rollers (2421), and the deflection guide material rollers (2421) are arranged in parallel with a first deflection shaft;

the upper rotating type of the deflection rack (245) is provided with two groups of blocking arms (2451), a torsion spring (2452) is arranged between the two groups of blocking arms (2451) and the deflection rack (245), two ends of the torsion spring (2452) are respectively connected with the blocking arms (2451) and the deflection rack (245), the other ends of the two groups of blocking arms (2451) are provided with blocking rods (2453), the blocking rods (2453) are abutted to one side of the positioning rack (242), and the blocking rods (2453) are arranged in parallel with the first deflection shaft.

5. The section steel welding processing system according to claim 1, characterized in that: the welding skin shoveling device (400) comprises two shoveling knives (410), opposite sides of the two shoveling knives (410) are connected through a hinged shaft, a reset torsion spring (411) is sleeved on the hinged shaft, the reset torsion spring (411) enables the two shoveling knives (410) to be coplanar, the two shoveling knives (410) are connected with a shoveling skin driving mechanism, the shoveling skin driving mechanism drives the two shoveling knives (410) to rotate around the hinged shaft and to be attached to two sides of a female corner or a male corner of the section steel, and the welding skin shoveling device (400) is arranged on the submerged-arc welding joint (100);

two shaking blades (420) are attached to the lower portions of the two shovel blades (410), the two shaking blades (420) are attached to the two shovel blades (410) and form sliding fit, the two shaking blades (420) are connected with a shaking mechanism, and the shaking mechanism drives the two shaking blades (420) to repeatedly slide along the length direction of the two shovel blades (410);

articulated shaft sliding connection between two shake blades (420) and between two spiller (410), be provided with arc sand grip (421) and arc recess (422) between two shake blades (420) respectively, arc sand grip (421) card is put in arc recess (422), still be provided with reset spring (423) on the articulated shaft between two spiller (410), reset spring (423)'s both ends lean on with two spiller (410) and two shake blades (420) respectively and are connected.

6. The section steel welding processing system according to claim 5, characterized in that: the two shaking blades (420) are provided with shaking rods (424), the shaking rods (424) are arranged along the length direction of the shaking blades (420), the shaking mechanism comprises a driving roller (430), the driving roller (430) abuts against one side of the section steel, one end of the roller center of the driving roller (430) is meshed with a first gear (431), the first gear (431) is meshed with a second gear (432), the center of the second gear (432) is provided with a shaking dial wheel (433), and the rim of the shaking dial wheel (433) abuts against one end of the shaking rods (424);

a shaking ball (4241) is arranged at one end, provided with a shaking rod (424), of the rod end of the shaking rod (442), and the shaking ball (4241) abuts against the wheel rim of the shaking thumb wheel (433);

the shovel skin driving mechanism comprises a first connecting rod (411) hinged with one side plate surface of two shovel knives (410), the other end of the first connecting rod (411) is hinged with a driving sliding block (412), hinged shafts at two ends of the first connecting rod (411) are arranged in parallel with hinged shafts of the two shovel knives (410), a driving sliding rod (413) is arranged on the driving sliding block (412), the driving sliding rod (413) is vertical, a rod end of the driving sliding rod is in sliding fit with a positioning rack (242) comprising a submerged-arc welding joint (100), a driving spring (414) is sleeved on the driving sliding rod (413), and two ends of the driving spring (414) are respectively abutted against the positioning rack (242) and the driving sliding block (412);

a leveling and crimping mechanism is arranged behind the two shaking blades (420), the leveling and crimping mechanism is used for performing rolling and flattening on the position of a welding seam, the leveling and crimping mechanism comprises two groups of friction rollers (440), one end of each friction roller (440) is rotatably arranged at one end of an extrusion cantilever (441), the other end of the extrusion cantilever (441) is hinged with an avoidance sliding block (442) through a hinged shaft, an extrusion torsion spring is sleeved on the hinged shaft of the extrusion cantilever (441), the avoidance sliding block (442) is connected with a piston rod of a lifting cylinder (443), and the piston rod of the lifting cylinder is vertically arranged;

leveling press mechanism includes colluding head (450), the one end of colluding head (450) is provided with colluding ball (4501), colluding head (450) slides and sets up on flexible frame (451), the cover is equipped with colluding spring (452) on colluding head (450), colluding spring (452) support with colluding head (450) and flexible frame (451) respectively and lean on, flexible frame (451) rotary type sets up on finding slider (453), be provided with between flexible frame (451) and finding slider (453) and find accurate torsional spring (454), find accurate slider (453) and the piston rod of finding cylinder (455) and be connected, the vertical arrangement of piston rod of finding cylinder (455).

7. The section steel welding processing system according to claim 1, characterized in that: the flux guiding and recovering device (500) comprises a hopper (510), wherein the hopper (510) is provided with a guide pipe (520), the guide pipe (520) is linked with a submerged-arc welding joint (100), an adsorption head is arranged beside the submerged-arc welding joint (100), the adsorption head is communicated with an air inlet of a suction unit, a discharging part of the adsorption head is provided with a screening unit, and the screening unit is used for screening impurities in welding;

a material receiving groove (540) is arranged on the submerged-arc welding joint (100) in a sliding mode, one side of the material receiving groove (540) is connected with the submerged-arc welding joint (100) through an expansion spring (541), one side of a material receiving groove plate (540) abuts against one side of the section steel, the material receiving groove (540) is arranged in an inclined mode, a suction opening (542) is formed in the lower end position of the material receiving groove (540), and the suction opening (542) is communicated with an air inlet of a suction unit;

the screening unit comprises a screening barrel (550), a scattering unit is arranged at a feed inlet at the upper end of the screening barrel (550) and is used for scattering sucked welding, a vibration unit is arranged on a material guide path of the screening barrel (550) and is used for vibrating materials, a magnetic suction unit is arranged in the screening barrel (550) and is used for sucking metal impurities in the materials;

a dispersing cover (551) is arranged in a barrel cavity of the screening barrel (550), a passage for materials is formed between the outer wall of the dispersing cover (551) and the inner wall of the screening barrel (550), the scattering unit comprises a gully (5511) arranged on the outer wall of the dispersing cover (551), the gully (5511) extends from the top end to the bottom end of the dispersing cover (551), the gully (5511) is positioned at the top end of the dispersing cover (551) and presents a rotating jet shape, the gully (5511) presents a vertical state when extending to the bottom end of the dispersing cover (551), dispersing blades (552) are arranged at the upper end of the dispersing cover (551), the dispersing blades (552) and the dispersing cover (551) are arranged concentrically, and the dispersing blades (552) are connected with a power unit;

an outer expanding section (553) is arranged at the middle section of the cavity of the screening cylinder (550), the diameter of the inner wall of the outer expanding section (553) is larger than the inner diameters of two ends of the screening cylinder (550), a material guide inclined plane (5531) is arranged on the inner wall of the outer expanding section (553), and the magnetic suction unit is arranged at the outer side position of the material guide inclined plane (5531);

a through hole (5512) is formed in the outer wall of the dispersing cover (551) at the position of the outer expanding section (553) in the circumferential direction, a beating roller brush (554) is arranged at the center of the dispersing cover (551), bristles of the beating roller brush (554) extend out of the through hole (5512), and the center of the beating roller brush (554) is connected with the center of the dispersing blade (552);

the guide slope (5531) is provided with a plurality of material separating grooves (5532), the material separating grooves (5532) extend along the inclined direction of the guide slope (5531), and the material separating grooves (5532) are arranged along the circumferential direction of the guide slope (5531);

the unit is inhaled to magnetism includes electro-magnet (555), the electro-magnet is provided with three groups, and one of them sets up the jumbo size external diameter position in outer section (553) that expands, and two of them set up the guide inclined plane (5531) export outside position in outer section (553) that expands, and three of them sets up the inner wall position in dispersion cover (551), three group electro-magnet (555) are cyclic annular structure.

8. The section steel welding processing system according to claim 1, characterized in that: the section steel positioning and exporting equipment (600) comprises a first positioning guide frame (610) and a second positioning guide frame (620), an included angle between the first positioning guide frame (610) and the second positioning guide frame (620) is adjustable, clamping units are respectively arranged on the outer sides of the first positioning guide frame (610) and the second positioning guide frame (620), and the clamping units are used for clamping section steel;

end part aligning mechanisms are arranged on the first positioning guide frame (610) and the second positioning guide frame (620), and the end part aligning mechanisms drive the single material plates to move and enable end parts on one sides to be aligned;

the first positioning material guide frame (610) and the second positioning material guide frame (620) are respectively provided with a guiding and conveying mechanism, and the guiding and conveying mechanisms are used for guiding the section plates into or out of the first positioning material guide frame (610) and the second positioning material guide frame (620).

9. The section steel welding processing system according to claim 8, characterized in that: the middle sections of the first positioning guide frame (610) and the second positioning guide frame (620) are hinged to a rack through a hinge shaft, the hinge shafts connected with the rack of the first positioning guide frame (610) and the second positioning guide frame (620) are horizontal and arranged in parallel with the respective length directions of the first positioning guide frame and the second positioning guide frame, the first positioning guide frame (610) and the second positioning guide frame (620) are respectively hinged to one end of an adjusting connecting rod (631), the other end of the adjusting connecting rod (631) is hinged to a respective adjusting block (632), the hinge shafts at the two ends of the adjusting connecting rod (631) are arranged in parallel with the hinge shafts connected with the rack of the first positioning guide frame (610) and the second positioning guide frame (620), a nut is arranged on the adjusting block (632), a lead screw (633) is arranged in the nut, the lead screw (633) is rotatably arranged on the rack, and an adjusting motor drives the lead screw (633) to rotate, the screw rod (633) is vertically arranged;

the clamping unit comprises a clamping roller (641) arranged on a first positioning guide frame (610) and a second positioning guide frame (620), the clamping roller (641) is arranged in parallel with a hinge shaft of the first positioning guide frame (610) and the second positioning guide frame (620), one end of the clamping roller (641) is connected with a clamping arm (642), the clamping arm (642) is hinged to the first positioning guide frame (610) and the second positioning guide frame (620), the hinge shaft is arranged in parallel with the length direction of the clamping roller (641), the middle section of the clamping arm (642) is hinged to a piston rod of a clamping cylinder (643), and a hinged cylinder body of the clamping cylinder (643) is arranged on the respective first positioning guide frame (610) and the second positioning guide frame (620).

10. The section steel welding processing system according to claim 9, characterized in that: the end part aligning mechanism comprises aligning rollers (650) arranged on a first positioning guide frame (610) and a second positioning guide frame (620), the aligning rollers (650) are respectively vertical to the plane where the first positioning guide frame (610) and the second positioning guide frame (620) are located, the aligning rollers (650) are rotatably arranged on an aligning support (651), and the width directions of the aligning support (651) and the first positioning guide frame (610) and the second positioning guide frame (620) form adjustable fit;

the aligning support (651) is slidably arranged on the respective first positioning guide frame (610) and the second positioning guide frame (620), an aligning and avoiding spring (652) is arranged on one side of the aligning support (651), the aligning and avoiding springs (652) are arranged along the width directions of the first positioning guide frame (610) and the second positioning guide frame (620), the aligning springs (652) are arranged at intervals along the length directions of the first positioning guide frame (610) and the second positioning guide frame (620), the other end of the aligning and avoiding spring (652) abuts against an adjusting support (653), an aligning nut (6531) is arranged on the adjusting support (653), an aligning screw rod (6532) is arranged in the aligning nut (6531), the aligning screw rod (6532) is arranged along the width directions of the first positioning guide frame (610) and the second positioning guide frame (620), the aligning screw rod (6532) is respectively and rotatably arranged on the first positioning guide frame (610) and the second positioning guide frame (620), and one end of the aligning screw rod is connected with the aligning motor.

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