CN111590171A - Low and medium pressure pipeline welding device and process of TIG all-position automatic welding machine - Google Patents

Low and medium pressure pipeline welding device and process of TIG all-position automatic welding machine Download PDF

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Publication number
CN111590171A
CN111590171A CN202010495904.1A CN202010495904A CN111590171A CN 111590171 A CN111590171 A CN 111590171A CN 202010495904 A CN202010495904 A CN 202010495904A CN 111590171 A CN111590171 A CN 111590171A
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China
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plate
arc
tig
pipeline
welding
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CN111590171B (en
Inventor
涂邹新
简逖
熊斌
姚成龙
黄琳
徐秀丽
常爽
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CHINA NATIONAL CHEMICAL ENGINEERING CO LTD
China National Chemical Engineering Sixth Construction Co Ltd
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China National Chemical Engineering Sixth Construction Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/16Arc welding or cutting making use of shielding gas
    • B23K9/173Arc welding or cutting making use of shielding gas and of a consumable electrode
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0533Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/32Accessories

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention belongs to the technical field of pipeline welding, in particular to a low-medium-pressure pipeline welding device and a low-medium-pressure pipeline welding process of a TIG (tungsten inert gas) all-position automatic welding machine, aiming at the problem that the existing TIG automatic welding machine still needs to manually fix a pipeline during welding and needs to rotate the pipeline during welding, so that the welding efficiency is reduced, the invention provides a scheme. The pipeline welding device is simple in structure and convenient to operate, the pipeline does not need to be fixed manually, and meanwhile, the pipeline can be automatically rotated during welding, so that the welding efficiency is improved.

Description

Low and medium pressure pipeline welding device and process of TIG all-position automatic welding machine
Technical Field
The invention relates to the technical field of pipeline welding, in particular to a low and medium pressure pipeline welding device and process of a TIG all-position automatic welding machine.
Background
TIG automatic welding machine divide into the many specifications of many types of circumferential weld automatic welding machine and straight seam automatic welding machine, the circumferential weld: single circular seam, double circular seam and many circular seams, wherein kinetic energy is equipped with the filler wire function, straight seam: the existing automatic welding machine is not used for welding layers of craters with the pipe diameters larger than two hundred or two hundred fifty millimeters, but for welding craters with small pipe diameters, the pipes are not suitable to rotate due to field construction and installation, the automatic welding machine is suitable for field environment all-position automatic welding equipment and technology, TIG automatic welding performance is stable, factors influencing welding seam quality are few, and compared with other welding machines, the automatic welding machine is influenced by environment conditions more during automatic welding, limitation is also realized on welding process specifications, and TIG automatic welding has more advantages; the welding technology is simple in operation and low in requirement on the skill of an operator, the formed appearance of a welding seam is good, the quality is high, splashing is less in the welding process, the wind resistance is high, the welding production capacity can be effectively improved on the construction site, the full coverage of automatic welding is promoted, and along with the rapid improvement of labor cost, the requirement on all-position automatic welding is more urgent.
Still need the manual work to fix the pipeline when current TIG automatic welder welds, need the staff to rotate the pipeline when welding simultaneously, reduced welding efficiency.
Disclosure of Invention
The invention aims to solve the defects that the pipeline still needs to be manually fixed when the existing TIG automatic welding machine is used for welding, and meanwhile, workers need to rotate the pipeline when the existing TIG automatic welding machine is used for welding, so that the welding efficiency is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
TIG all position automatic welder hangs down, middling pressure pipeline welding set, including rotor plate and TIG automatic welder, TIG automatic welder fixed connection is at the top of rotor plate, is connected with the soldered connection on the TIG automatic welder, the top slidable mounting of rotor plate has two supporting seats, and the top of rotor plate is provided with the pulling structure, and two supporting seats all with pulling structure looks adaptation, the equal slidable mounting in top of two supporting seats has first arc splint and second arc splint, and the top of two supporting seats all is provided with clamping structure, first arc splint and second arc splint all with corresponding clamping structure looks adaptation, be connected with same pipeline between first arc splint and the second arc splint, the equal fixedly connected with in one side of two first arc splint drives the structure, two drive the structure respectively with two pipeline looks adaptations.
Preferably, the pulling structure comprises a motor, a rotating shaft, a circular plate and two pull rods, the motor is fixedly connected to the bottom of the working plate, the rotating shaft is vertically and rotatably connected with the working plate, the rotating shaft is fixedly installed on an output shaft of the motor, the circular plate is fixedly installed on the top of the rotating shaft, one ends of the two pull rods are rotatably installed on the top of the circular plate, and the other ends of the two pull rods are rotatably connected with the two supporting seats respectively.
Preferably, the clamping structure includes worm motor, round bar and two guide rail pieces, and the guide rail groove has been seted up at the top of supporting seat, and two equal slidable mounting of guide rail piece are at the guide rail inslot, and two guide rail pieces rotate with the bottom fixed connection of first arc splint and second arc splint respectively, round bar and guide rail groove and be connected, and worm motor fixed connection is in one side of supporting seat, the output shaft of worm motor and the one end fixed mounting of round bar, two guide rail pieces all with round bar threaded connection.
Preferably, the two guide rail blocks in the same guide rail groove are provided with inclined thread holes, the spiral directions of the two inclined thread holes are opposite, the outer side of the round rod is symmetrically provided with two inclined threads, and the two inclined threads are respectively in threaded connection with the two inclined thread holes.
Preferably, drive the structure and include servo motor, dwang and friction pulley, servo motor swing joint is in one side of first arc splint, the one end of dwang and servo motor's output shaft fixed mounting, the other end of dwang and one side fixed connection of friction pulley, the friction pulley is contradicted with the pipeline.
Preferably, one side fixed mounting of first arc splint has four guide arms, and slidable mounting has same elastic plate on four guide arms, and servo motor and one side fixed connection of elastic plate, fixed mounting have four springs between four guide arms and the elastic plate, and a plurality of circular slots have all been seted up to the inboard of first arc splint and second arc splint, all rotate in a plurality of circular slots and be connected with the cylinder.
Preferably, the equal fixedly connected with section of thick bamboo of breathing in one side of two elastic plates, two equal intercommunications in one side that the section of thick bamboo of breathing in is close to each other have the suction nozzle, all rotate in two section of thick bamboos of breathing in and be connected with the rotation axis, the equal fixed mounting in the outside of two rotation axes has the fan of breathing in, two rotation axes are connected with two dwang transmissions respectively, the equal threaded connection in the outside of two sections of breathing in has threaded connection pipe, a plurality of ventholes have all been seted up in the outside of two threaded connection pipes, all be provided with.
Preferably, the fixed cover in outside of dwang is equipped with the second sprocket, and the outside fixed mounting of rotation axis has first sprocket, and the meshing has same chain on first sprocket and the second sprocket, chain and the swing joint of a section of thick bamboo of breathing in that corresponds.
Preferably, two square grooves are formed in the top of the working plate, square blocks are arranged in the two square grooves in a sliding mode, the tops of the two square blocks are fixedly connected with the bottoms of the two supporting seats respectively, four supporting legs are fixedly connected to the bottom of the working plate, and a controller is arranged at the top of the working plate.
The low and medium pressure pipeline welding process of TIG all-position automatic welder includes the following steps:
s1: when the device is used, two pipelines with the same diameter are prepared, electrical equipment is switched on, the pipelines are respectively placed between a first arc-shaped clamp plate and a second arc-shaped clamp plate, a worm motor is started, the worm motor drives a round rod to rotate, the round rod drives two guide rail blocks to mutually approach through two twills and two inclined thread holes, the two guide rail blocks drive the first arc-shaped clamp plate and the second arc-shaped clamp plate to approach to clamp and fix the pipelines, the other pipeline is fixed in a similar manner, automatic fixation can be realized, manual fixation of workers is avoided, and working efficiency is improved;
s2: when the pipeline is fixed, the friction wheel is subjected to a contact force from the pipeline, the friction wheel is subjected to a force to drive the servo motor to move through the rotating rod, the servo motor drives the elastic plate to compress the spring, and the spring provides an elastic force, so that the friction wheel can be tightly attached to the pipeline;
s3: starting a motor, driving a rotating shaft to rotate by the motor, driving a circular plate to rotate by the rotating shaft, driving two supporting seats to be close to each other by the circular plate through two pull rods, and driving two pipelines to be close to each other by the two supporting seats so that the two pipelines are in contact;
s4: welding seams between the two pipelines by a TIG automatic welding machine, simultaneously starting the two servo motors which can run synchronously, driving the two friction wheels to rotate by the two rotating rods respectively, wherein the two friction wheels have the same rotating direction and drive the two pipelines to rotate respectively;
s5: during welding, the rotating rod drives the rotating shaft to rotate through the first chain wheel, the second chain wheel and the chain, the rotating shaft drives the air suction fan to rotate, the air suction fan rotates to enable negative pressure to be formed in the air suction cylinder, smoke generated by welding is sucked into the air suction cylinder through the air suction nozzle and is discharged through the threaded connecting pipe, smoke and peculiar smell generated by welding can be adsorbed through the activated carbon adsorption plate in the threaded connecting pipe, air pollution is avoided, the threaded connecting pipe can be detached and cleaned, and the activated carbon adsorption plate can be replaced;
s6: after the welding is finished, the two servo motors are stopped, the two worm motors are started reversely, so that the first arc-shaped clamping plate and the second arc-shaped clamping plate are separated to release the pipeline, the pipeline after the welding is finished can be taken, and a welding head on the TIG automatic welding machine can be replaced.
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the pipeline is placed between the first arc-shaped clamping plate and the second arc-shaped clamping plate, the first arc-shaped clamping plate and the second arc-shaped clamping plate are driven to be close to the pipeline through the clamping structure to clamp and fix the pipeline, automatic fixing can be achieved, manual fixing of workers is avoided, and working efficiency is improved;
(2) the spring provides elasticity, so that the friction wheel can be tightly attached to the pipeline, the two supporting seats can be driven to be close to each other by the pulling structure, the two supporting seats drive the two pipelines to be close to each other, the two pipelines are in contact, and the two pipelines are conveniently aligned;
(3) weld the welding seam between two pipelines through TIG automatic weld machine, it is rotatory to drive two pipelines of structure drive through two, and two pipelines can reduce frictional force through the cylinder when rotatory, can rotate automatically, do not need the manual work to carry out spin welding, have improved welding efficiency.
(4) Smoke generated by welding is sucked into the air suction cylinder through the air suction nozzle and is discharged through the threaded connecting pipe, smoke and peculiar smell generated by welding can be adsorbed through the activated carbon adsorption plate in the threaded connecting pipe, air pollution is avoided, the threaded connecting pipe can be detached and cleaned, and the activated carbon adsorption plate can be replaced;
the pipeline welding device is simple in structure and convenient to operate, the pipeline does not need to be fixed manually, and meanwhile, the pipeline can be automatically rotated during welding, so that the welding efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a low and medium pressure pipeline welding device of a TIG all-position automatic welder provided by the invention;
FIG. 2 is a schematic side view of a low and medium pressure pipe welding device of a TIG all-position automatic welder according to the present invention;
FIG. 3 is a schematic structural diagram of a pipeline, a first arc-shaped clamping plate, a second arc-shaped clamping plate, a servo motor and a friction wheel of the low-medium pressure pipeline welding device of the TIG all-position automatic welding machine provided by the invention from top view;
FIG. 4 is a schematic structural view of part A in FIG. 2 of a low and medium pressure pipe welding device of a TIG all-position automatic welder according to the present invention;
FIG. 5 is a schematic diagram of a top view structure of a circular plate, a pull rod and a support seat of a low and medium pressure pipeline welding device of the TIG all-position automatic welding machine provided by the invention;
FIG. 6 is a schematic perspective view of a first arc-shaped clamp plate and a roller of a low and medium pressure pipe welding device of a TIG all-position automatic welding machine according to the present invention;
FIG. 7 is a schematic structural diagram B in FIG. 1 of a low and medium pressure pipeline welding device of a TIG all-position automatic welder provided by the invention;
fig. 8 is a schematic three-dimensional structure diagram of a suction nozzle, a suction cylinder and a threaded connecting pipe of the low and medium pressure pipeline welding device of the TIG all-position automatic welding machine provided by the invention.
In the figure: 1 working plate, 2 motors, 3 rotating shafts, 4 round plates, 5 pull rods, 6 supporting seats, 7 square grooves, 8 square blocks, 9 guide rail grooves, 10 round rods, 11 guide rail blocks, 12 first arc-shaped clamping plates, 13 pipelines, 14 servo motors, 15 friction wheels, 16 elastic plates, 17 guide rods, 18TIG automatic welding machines, 19 worm motors, 20 second arc-shaped clamping plates, 21 rollers, 22 springs, 23 twill, 24 rotating rods, 25 controllers, 26 suction cylinders, 27 suction nozzles, 28 rotating shafts, 29 suction fans, 30 first chain wheels, 31 chains, 32 second chain wheels and 33 threaded connecting pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-8, the TIG all position automatic welder is low, medium-pressure pipeline welding device, including working plate 1 and TIG automatic weld machine 18, TIG automatic weld machine 18 fixed connection is at the top of working plate 1, be connected with the soldered connection on TIG automatic weld machine 18, the top slidable mounting of working plate 1 has two supporting seats 6, the top of working plate 1 is provided with the pulling structure, two supporting seats 6 all with pulling structure looks adaptation, the equal slidable mounting in top of two supporting seats 6 has first arc splint 12 and second arc splint 20, the top of two supporting seats 6 all is provided with clamping structure, first arc splint 12 and second arc splint 20 all with the clamping structure looks adaptation that corresponds, be connected with same pipeline 13 between first arc splint 12 and the second arc splint 20, the equal fixedly connected with in one side of two first arc splint 12 drives the structure, two drive the structure respectively with two pipeline 13 looks adaptations.
In this embodiment, the pulling structure includes motor 2, rotation axis 3, plectane 4 and two pull rods 5, and motor 2 fixed connection is in the bottom of working plate 1, and rotation axis 3 rotates perpendicularly with working plate 1 to be connected, rotation axis 3 and motor 2's output shaft fixed mounting, plectane 4 and rotation axis 3's top fixed mounting, and the one end of two pull rods 5 is all rotated and is installed at the top of plectane 4, and the other end of two pull rods 5 rotates respectively with two supporting seats 6 to be connected.
In this embodiment, clamping structure includes worm motor 19, round bar 10 and two guide rail pieces 11, guide rail groove 9 has been seted up at the top of supporting seat 6, two equal slidable mounting of guide rail piece 11 are in guide rail groove 9, two guide rail pieces 11 respectively with the bottom fixed connection of first arc splint 12 and second arc splint 20, round bar 10 rotates with guide rail groove 9 to be connected, worm motor 19 fixed connection is in one side of supporting seat 6, the output shaft of worm motor 19 and the one end fixed mounting of round bar 10, two guide rail pieces 11 all with round bar 10 threaded connection.
In this embodiment, all seted up the twill hole on two guide rail pieces 11 that are located same guide rail groove 9, the spiral opposite direction in two twill holes, two twills 23 have been seted up to the outside symmetry of round bar 10, two twills 23 respectively with two twill hole threaded connection.
In this embodiment, drive the structure and include servo motor 14, dwang 24 and friction pulley 15, servo motor 14 swing joint is in one side of first arc splint 12, the one end of dwang 24 and servo motor 14's output shaft fixed mounting, the other end of dwang 24 and one side fixed connection of friction pulley 15, friction pulley 15 is contradicted with pipeline 13.
In this embodiment, one side fixed mounting of first arc splint 12 has four guide arms 17, and slidable mounting has same elastic plate 16 on four guide arms 17, and servo motor 14 and one side fixed connection of elastic plate 16, fixed mounting has four springs 22 between four guide arms 17 and the elastic plate 16, and a plurality of circular slots have all been seted up to first arc splint 12 and second arc splint 20's inboard, all rotate in a plurality of circular slots and be connected with cylinder 21.
In this embodiment, the equal fixedly connected with section of thick bamboo 26 of breathing in one side of two elastic plates 16, one side that two section of thick bamboos 26 are close to each other all communicates there is suction nozzle 27, all rotate in two section of thick bamboos 26 and be connected with rotation axis 28, the equal fixed mounting in the outside of two rotation axis 28 has suction fan 29, two rotation axis 28 are connected with two dwang 24 transmissions respectively, the equal threaded connection in the outside of two section of thick bamboos 26 of breathing in has threaded connection pipe 33, a plurality of ventholes have all been seted up in the outside of two threaded connection pipe 33, all be provided with the active carbon adsorption plate in two.
In this embodiment, the outer side of the rotating rod 24 is fixedly sleeved with a second chain wheel 32, the outer side of the rotating shaft 28 is fixedly provided with a first chain wheel 30, the first chain wheel 30 and the second chain wheel 32 are engaged with a same chain 31, and the chain 31 is movably connected with the corresponding air suction cylinder 26.
In this embodiment, two square grooves 7 have been seted up at the top of working plate 1, and equal slidable mounting has square piece 8 in two square grooves 7, the top of two square pieces 8 respectively with the bottom fixed connection of two supporting seats 6, four supporting legs of bottom fixedly connected with of working plate 1, the top of working plate 1 is provided with controller 25.
The low and medium pressure pipeline welding process of TIG all-position automatic welder includes the following steps:
s1: when the device is used, two pipelines 13 with the same diameter are prepared, electrical equipment is powered on and is connected with a controller 25, the pipelines 13 are respectively placed between a first arc-shaped clamping plate 12 and a second arc-shaped clamping plate 20, a worm motor 19 is started, the worm motor 19 drives a round rod 10 to rotate, the round rod 10 drives two guide rail blocks 11 to mutually approach through two twills 23 and two twill holes, the two guide rail blocks 11 drive the first arc-shaped clamping plate 12 and the second arc-shaped clamping plate 20 to approach to clamp and fix the pipelines 13, the other pipeline 13 is fixed in the same way, automatic fixation can be realized, manual fixation of workers is avoided, and the working efficiency is improved;
s2: when the pipeline 13 is fixed, the friction wheel 15 is subjected to the contact force from the pipeline 13, the servo motor 14 is driven to move by the stress of the friction wheel 15 through the rotating rod 24, the servo motor 14 drives the elastic plate 16 to compress the spring 22, and the spring 22 provides elastic force, so that the friction wheel 15 can be tightly attached to the pipeline 13;
s3: starting the motor 2, driving the rotating shaft 3 to rotate by the motor 2, driving the circular plate 4 to rotate by the rotating shaft 3, driving the two supporting seats 6 to be close to each other by the circular plate 4 through the two pull rods 5, and driving the two pipelines 13 to be close to each other by the two supporting seats 6, so that the two pipelines 13 are in contact;
s4: welding seams between the two pipelines 13 are welded through a TIG automatic welding machine 18, the two servo motors 14 are started simultaneously, the two servo motors 14 can run synchronously, the two servo motors 14 drive the two friction wheels 15 to rotate through the two rotating rods 24 respectively, the rotating directions of the two friction wheels 15 are the same, the two friction wheels 15 drive the two pipelines 13 to rotate respectively, when the two pipelines 13 rotate, the friction force can be reduced through the roller 21, the two pipelines can rotate automatically, manual rotary welding is not needed, and the welding efficiency is improved;
s5: during welding, the rotating rod 24 drives the rotating shaft 28 to rotate through the first chain wheel 30, the second chain wheel 32 and the chain 31, the rotating shaft 28 drives the air suction fan 29 to rotate, the air suction fan 29 rotates to enable negative pressure to be formed in the air suction cylinder 26, smoke generated by welding is sucked into the air suction cylinder 26 through the air suction nozzle 27 and is discharged through the threaded connecting pipe 33, smoke and peculiar smell generated by welding can be adsorbed through the activated carbon adsorption plate in the threaded connecting pipe 33, air pollution is avoided, the threaded connecting pipe 33 can be detached and cleaned, and the activated carbon adsorption plate can be replaced;
s6: after the welding is finished, the two servo motors 14 are stopped, the two worm motors 19 are started reversely, the first arc-shaped clamping plate 12 and the second arc-shaped clamping plate 20 are separated to release the pipeline 13, the pipeline 13 after the welding is finished can be taken out, and a welding head on the TIG automatic welding machine 18 can be replaced.
Example two
Referring to fig. 1-8, the low and medium pressure pipeline welding device of the TIG all-position automatic welding machine comprises a working plate 1 and a TIG automatic welding machine 18, wherein the TIG automatic welding machine 18 is fixedly connected to the top of the working plate 1 through screws, a welding head is connected to the TIG automatic welding machine 18, two supporting seats 6 are slidably mounted on the top of the working plate 1, a pulling structure is arranged on the top of the working plate 1, the two supporting seats 6 are both adapted to the pulling structure, a first arc-shaped clamping plate 12 and a second arc-shaped clamping plate 20 are slidably mounted on the top of the two supporting seats 6, clamping structures are respectively arranged on the top of the two supporting seats 6, the first arc-shaped clamping plate 12 and the second arc-shaped clamping plate 20 are both adapted to corresponding clamping structures, the same pipeline 13 is connected between the first arc-shaped clamping plate 12 and the second arc-shaped clamping plate 20, and a driving, the two driving structures are respectively matched with the two pipelines 13.
In this embodiment, the pulling structure includes motor 2, rotation axis 3, plectane 4 and two pull rods 5, motor 2 passes through screw fixed connection in the bottom of working plate 1, rotation axis 3 passes through the bearing with working plate 1 and rotates perpendicularly to be connected, rotation axis 3 passes through welded fastening with motor 2's output shaft and installs, plectane 4 passes through welded fastening with rotation axis 3's top and installs, the top at plectane 4 is all rotated to the one end of two pull rods 5, the other end of two pull rods 5 rotates with two supporting seats 6 respectively and is connected, motor 2 drives rotation axis 3 and rotates, rotation axis 3 drives plectane 4 and rotates, plectane 4 drives two supporting seats 6 through two pull rods 5 and is close to each other.
In this embodiment, clamping structure includes worm motor 19, pole 10 and two guide rail pieces 11, guide rail groove 9 has been seted up at the top of supporting seat 6, two equal slidable mounting of guide rail piece 11 are in guide rail groove 9, two guide rail pieces 11 pass through screw fixed connection with the bottom of first arc splint 12 and second arc splint 20 respectively, pole 10 passes through the bearing rotation with guide rail groove 9 and is connected, worm motor 19 passes through screw fixed connection in one side of supporting seat 6, welded fastening installation is passed through with the one end of pole 10 to the output shaft of worm motor 19, two guide rail pieces 11 all with pole 10 threaded connection, worm motor 19 drives pole 10 and rotates, pole 10 drives two guide rail pieces 11 through two twills 23 and two twill holes and is close to each other or keep away from each other.
In this embodiment, all seted up the twill hole on two guide rail pieces 11 that are located same guide rail groove 9, the spiral opposite direction in two twill holes, two twills 23 have been seted up to the outside symmetry of round bar 10, two twills 23 respectively with two twill hole threaded connection.
In this embodiment, drive the structure and include servo motor 14, dwang 24 and friction pulley 15, servo motor 14 swing joint is in one side of first arc splint 12, and the one end of dwang 24 passes through welded fastening installation with servo motor 14's output shaft, and screw fixed connection is passed through with one side of friction pulley 15 to the other end of dwang 24, and friction pulley 15 contradicts with pipeline 13, and the friction pulley 15 outside is provided with anti-skidding line or antiskid cover.
In this embodiment, there are four guide arms 17 in one side of first arc splint 12 through welded fastening, slidable mounting has same elastic plate 16 on four guide arms 17, screw fixed connection is passed through with one side of elastic plate 16 to servo motor 14, there are four springs 22 through welded fastening between four guide arms 17 and the elastic plate 16, spring 22 provides the pulling force for elastic plate 16, a plurality of circular slots have all been seted up to the inboard of first arc splint 12 and second arc splint 20, it is connected with cylinder 21 all to rotate in a plurality of circular slots.
In this embodiment, one side of each of the two elastic plates 16 is fixedly connected with an air suction tube 26 through a screw, one side of each of the two air suction tubes 26 close to each other is communicated with an air suction nozzle 27, the two air suction tubes 26 are rotatably connected with a rotating shaft 28, the outer sides of the two rotating shafts 28 are fixedly provided with air suction fans 29 through welding, the two rotating shafts 28 are respectively in transmission connection with the two rotating rods 24, the outer sides of the two air suction tubes 26 are respectively in threaded connection with threaded connection pipes 33, the outer sides of the two threaded connection pipes 33 are respectively provided with a plurality of air outlet holes, the two threaded connection pipes 33 are respectively provided with an activated carbon adsorption plate, the rotation of the air suction fans 29 enables negative, the smoke generated by welding is sucked into the air suction cylinder 26 through the air suction nozzle 27, and the smoke and the peculiar smell generated by welding can be adsorbed through the activated carbon adsorption plate in the threaded connection pipe 33, so that the air pollution is avoided.
In this embodiment, the outer side of the rotating rod 24 is fixedly sleeved with a second chain wheel 32, the outer side of the rotating shaft 28 is fixedly provided with a first chain wheel 30 by welding, the first chain wheel 30 and the second chain wheel 32 are engaged with a same chain 31, and the chain 31 is movably connected with the corresponding air suction cylinder 26.
In this embodiment, two square grooves 7 have been seted up at the top of working plate 1, and equal slidable mounting has square piece 8 in two square grooves 7, and screw fixed connection is passed through with the bottom of two supporting seats 6 respectively at the top of two square pieces 8, and four supporting legs of screw fixed connection are passed through to the bottom of working plate 1, and the top of working plate 1 is provided with controller 25.
The low and medium pressure pipeline welding process of TIG all-position automatic welder includes the following steps:
s1: when the device is used, two pipelines 13 with the same diameter are prepared, electrical equipment is powered on and is connected with a controller 25, the pipelines 13 are respectively placed between a first arc-shaped clamping plate 12 and a second arc-shaped clamping plate 20, a worm motor 19 is started, the worm motor 19 drives a round rod 10 to rotate, the round rod 10 drives two guide rail blocks 11 to mutually approach through two twills 23 and two twill holes, the two guide rail blocks 11 drive the first arc-shaped clamping plate 12 and the second arc-shaped clamping plate 20 to approach to clamp and fix the pipelines 13, the other pipeline 13 is fixed in the same way, automatic fixation can be realized, manual fixation of workers is avoided, and the working efficiency is improved;
s2: when the pipeline 13 is fixed, the friction wheel 15 is subjected to the contact force from the pipeline 13, the servo motor 14 is driven to move by the stress of the friction wheel 15 through the rotating rod 24, the servo motor 14 drives the elastic plate 16 to compress the spring 22, and the spring 22 provides elastic force, so that the friction wheel 15 can be tightly attached to the pipeline 13;
s3: starting the motor 2, driving the rotating shaft 3 to rotate by the motor 2, driving the circular plate 4 to rotate by the rotating shaft 3, driving the two supporting seats 6 to be close to each other by the circular plate 4 through the two pull rods 5, and driving the two pipelines 13 to be close to each other by the two supporting seats 6, so that the two pipelines 13 are in contact;
s4: welding seams between the two pipelines 13 are welded through a TIG automatic welding machine 18, the two servo motors 14 are started simultaneously, the two servo motors 14 can run synchronously, the two servo motors 14 drive the two friction wheels 15 to rotate through the two rotating rods 24 respectively, the rotating directions of the two friction wheels 15 are the same, the two friction wheels 15 drive the two pipelines 13 to rotate respectively, when the two pipelines 13 rotate, the friction force can be reduced through the roller 21, the two pipelines can rotate automatically, manual rotary welding is not needed, and the welding efficiency is improved;
s5: during welding, the rotating rod 24 drives the rotating shaft 28 to rotate through the first chain wheel 30, the second chain wheel 32 and the chain 31, the rotating shaft 28 drives the air suction fan 29 to rotate, the air suction fan 29 rotates to enable negative pressure to be formed in the air suction cylinder 26, smoke generated by welding is sucked into the air suction cylinder 26 through the air suction nozzle 27 and is discharged through the threaded connecting pipe 33, smoke and peculiar smell generated by welding can be adsorbed through the activated carbon adsorption plate in the threaded connecting pipe 33, air pollution is avoided, the threaded connecting pipe 33 can be detached and cleaned, and the activated carbon adsorption plate can be replaced;
s6: after the welding is finished, the two servo motors 14 are stopped, the two worm motors 19 are started reversely, the first arc-shaped clamping plate 12 and the second arc-shaped clamping plate 20 are separated to release the pipeline 13, the pipeline 13 after the welding is finished can be taken out, and a welding head on the TIG automatic welding machine 18 can be replaced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

  1. The TIG all-position automatic welding machine low and medium pressure pipeline welding device comprises a working plate and a TIG automatic welding machine, wherein the TIG automatic welding machine is fixedly connected to the top of the working plate, a welding head is connected to the TIG automatic welding machine, two supporting seats are slidably mounted at the top of the working plate, a pulling structure is arranged at the top of the working plate, the two supporting seats are all matched with the pulling structure, a first arc-shaped clamping plate and a second arc-shaped clamping plate are slidably mounted at the tops of the two supporting seats, a clamping structure is arranged at the tops of the two supporting seats, the first arc-shaped clamping plate and the second arc-shaped clamping plate are all matched with the corresponding clamping structure, the same pipeline is connected between the first arc-shaped clamping plate and the second arc-shaped clamping plate, and a driving structure is fixedly connected to.
  2. 2. A low and medium pressure pipeline welding device and process for a TIG full position automatic welder according to claim 1, characterized in that the pulling structure includes a motor, a rotating shaft, a circular plate and two pull rods, the motor is fixedly connected to the bottom of the working plate, the rotating shaft is vertically and rotatably connected to the working plate, the rotating shaft is fixedly mounted to the output shaft of the motor, the circular plate is fixedly mounted to the top of the rotating shaft, one end of each of the two pull rods is rotatably mounted to the top of the circular plate, and the other end of each of the two pull rods is rotatably connected to each of the two support bases.
  3. 3. A TIG full position automatic welding machine low and medium pressure pipeline welding device and process according to claim 1, characterized in that the clamping structure includes a worm motor, a round bar and two guide rail blocks, a guide rail groove is opened at the top of the supporting seat, both guide rail blocks are slidably mounted in the guide rail groove, both guide rail blocks are respectively fixedly connected with the bottoms of the first arc-shaped clamping plate and the second arc-shaped clamping plate, the round bar is rotatably connected with the guide rail groove, the worm motor is fixedly connected to one side of the supporting seat, the output shaft of the worm motor is fixedly mounted with one end of the round bar, and both guide rail blocks are in threaded connection with the round bar.
  4. 4. A TIG all-position automatic welding machine low and medium pressure pipeline welding device and process according to claim 3, characterized in that two guide rail blocks located in the same guide rail groove are both provided with a twill hole, the spiral directions of the two twill holes are opposite, the outside of the round bar is symmetrically provided with two twills, and the two twills are respectively in threaded connection with the two twill holes.
  5. 5. A TIG full position automatic welding machine low and medium pressure pipeline welding device and process according to claim 1, characterized in that the drive structure includes a servo motor, a rotating rod and a friction wheel, the servo motor is movably connected to one side of the first arc-shaped clamping plate, one end of the rotating rod is fixedly installed with an output shaft of the servo motor, the other end of the rotating rod is fixedly connected with one side of the friction wheel, and the friction wheel is abutted against the pipeline.
  6. 6. A TIG full position automatic welding machine low and medium pressure pipeline welding device and process according to claim 1, characterized in that four guide rods are fixedly installed at one side of the first arc-shaped clamping plate, the same elastic plate is slidably installed on the four guide rods, the servo motor is fixedly connected with one side of the elastic plate, four springs are fixedly installed between the four guide rods and the elastic plate, a plurality of circular grooves are respectively formed at the inner sides of the first arc-shaped clamping plate and the second arc-shaped clamping plate, and a roller is rotatably connected in the circular grooves.
  7. 7. A TIG full position automatic welding machine low and medium pressure pipeline welding device and process according to claim 6, characterized in that one side of both elastic plates is fixedly connected with an air suction cylinder, the side of both air suction cylinders close to each other is communicated with an air suction nozzle, a rotating shaft is rotatably connected in both air suction cylinders, an air suction fan is fixedly mounted on the outer side of both rotating shafts, both rotating shafts are respectively in transmission connection with two rotating rods, the outer side of both air suction cylinders is in threaded connection with a threaded connection pipe, the outer side of both threaded connection pipes is provided with a plurality of air outlet holes, and both threaded connection pipes are internally provided with activated carbon adsorption plates.
  8. 8. A TIG full position automatic welding machine low and medium pressure pipeline welding device and process according to claim 5, characterized in that the outside of dwang is fixed to overlap and is equipped with the second sprocket, the outside of rotation axis is fixed to install first sprocket, and the meshing has the same chain on first sprocket and the second sprocket, and the chain is swing joint with the corresponding suction tube.
  9. 9. A TIG all-position automatic welding machine low and medium pressure pipeline welding device and process according to claim 1, characterized in that two square grooves are opened at the top of the working plate, square blocks are slidably mounted in both the two square grooves, the tops of the two square blocks are respectively fixedly connected with the bottoms of the two supporting seats, four supporting legs are fixedly connected with the bottom of the working plate, and a controller is arranged at the top of the working plate.
  10. 10, TIG all-position automatic welding machine low and medium pressure pipeline welding process, which is characterized by comprising the following steps:
    s1: when the device is used, two pipelines with the same diameter are prepared, electrical equipment is switched on, the pipelines are respectively placed between a first arc-shaped clamp plate and a second arc-shaped clamp plate, a worm motor is started, the worm motor drives a round rod to rotate, the round rod drives two guide rail blocks to mutually approach through two twills and two inclined thread holes, the two guide rail blocks drive the first arc-shaped clamp plate and the second arc-shaped clamp plate to approach to clamp and fix the pipelines, the other pipeline is fixed in a similar manner, automatic fixation can be realized, manual fixation of workers is avoided, and working efficiency is improved;
    s2: when the pipeline is fixed, the friction wheel is subjected to a contact force from the pipeline, the friction wheel is subjected to a force to drive the servo motor to move through the rotating rod, the servo motor drives the elastic plate to compress the spring, and the spring provides an elastic force, so that the friction wheel can be tightly attached to the pipeline;
    s3: starting a motor, driving a rotating shaft to rotate by the motor, driving a circular plate to rotate by the rotating shaft, driving two supporting seats to be close to each other by the circular plate through two pull rods, and driving two pipelines to be close to each other by the two supporting seats so that the two pipelines are in contact;
    s4: welding seams between the two pipelines by a TIG automatic welding machine, simultaneously starting the two servo motors which can run synchronously, driving the two friction wheels to rotate by the two rotating rods respectively, wherein the two friction wheels have the same rotating direction and drive the two pipelines to rotate respectively;
    s5: during welding, the rotating rod drives the rotating shaft to rotate through the first chain wheel, the second chain wheel and the chain, the rotating shaft drives the air suction fan to rotate, the air suction fan rotates to enable negative pressure to be formed in the air suction cylinder, smoke generated by welding is sucked into the air suction cylinder through the air suction nozzle and is discharged through the threaded connecting pipe, smoke and peculiar smell generated by welding can be adsorbed through the activated carbon adsorption plate in the threaded connecting pipe, air pollution is avoided, the threaded connecting pipe can be detached and cleaned, and the activated carbon adsorption plate can be replaced;
    s6: after the welding is finished, the two servo motors are stopped, the two worm motors are started reversely, so that the first arc-shaped clamping plate and the second arc-shaped clamping plate are separated to release the pipeline, the pipeline after the welding is finished can be taken, and a welding head on the TIG automatic welding machine can be replaced.
CN202010495904.1A 2020-06-03 2020-06-03 Low and medium pressure pipeline welding process of TIG all-position automatic welding machine Active CN111590171B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112372209A (en) * 2020-11-09 2021-02-19 马鞍山市盛远管道有限公司 Cast tube mouth processing equipment
CN112743263A (en) * 2020-12-25 2021-05-04 河北弘飞线缆集团有限公司 Cold welding machine for overhead insulated cable
CN112846634A (en) * 2021-01-08 2021-05-28 谭治平 Food package production and processing equipment with accurate stop gear
CN113276073A (en) * 2021-04-08 2021-08-20 新疆八钢钢管有限责任公司 Placing frame for hot dip galvanized steel pipe processing and using method thereof
CN113352050A (en) * 2021-06-25 2021-09-07 两山工程技术(武汉)有限公司 Hydraulic pull-back type replacing equipment for replacing water supply pipeline
CN114043160A (en) * 2021-10-29 2022-02-15 陈炳泉 Welding device for machining stainless steel corrugated pipe and using method
CN114378526A (en) * 2022-03-01 2022-04-22 李明泽 Welding process of pipeline
CN114393339A (en) * 2022-01-20 2022-04-26 沧州昊海水利工程质量检测有限公司 Metal pipeline welding device for water conservancy construction and using method thereof
CN114654160A (en) * 2022-04-14 2022-06-24 桂林航天工业学院 Butt welding machine and driving assembly
CN115283781A (en) * 2022-08-19 2022-11-04 山西一建集团有限公司 Automatic pipeline welding device for pipeline crossing project
CN115469051A (en) * 2022-11-14 2022-12-13 成都华域环保有限公司 Deoiling experimental method for waste oil-containing catalyst
CN116551303A (en) * 2023-07-12 2023-08-08 湖南电气职业技术学院 Wind driven generator support overturning welding processing equipment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06277892A (en) * 1993-02-25 1994-10-04 Toshiba Eng & Constr Co Ltd Groove setting device for welding piping
JP2001058289A (en) * 1999-08-24 2001-03-06 Olympus Optical Co Ltd Welding and joining equipment for flexible pipe
CN205496897U (en) * 2016-03-15 2016-08-24 南通蓝岛海洋工程有限公司 A semiautomatic welding frock for natural gas module tubular product
CN106881514A (en) * 2017-04-10 2017-06-23 南昌首叶科技有限公司 A kind of intermetallic composite coating station-service micro metal pipe electric welding equipment
CN208977173U (en) * 2018-10-15 2019-06-14 枝江盛懋船业有限公司 A kind of noise source analysis calibrating installation
CN210099383U (en) * 2018-12-27 2020-02-21 童卓超 Supporting and fixing device for pipe fitting welding
CN110900101A (en) * 2019-12-11 2020-03-24 王冬暄 Marine metal hose welding supporting device convenient to assemble and position
CN110961832A (en) * 2019-11-12 2020-04-07 平世粉 Automatic welding robot with automatic protection function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06277892A (en) * 1993-02-25 1994-10-04 Toshiba Eng & Constr Co Ltd Groove setting device for welding piping
JP2001058289A (en) * 1999-08-24 2001-03-06 Olympus Optical Co Ltd Welding and joining equipment for flexible pipe
CN205496897U (en) * 2016-03-15 2016-08-24 南通蓝岛海洋工程有限公司 A semiautomatic welding frock for natural gas module tubular product
CN106881514A (en) * 2017-04-10 2017-06-23 南昌首叶科技有限公司 A kind of intermetallic composite coating station-service micro metal pipe electric welding equipment
CN208977173U (en) * 2018-10-15 2019-06-14 枝江盛懋船业有限公司 A kind of noise source analysis calibrating installation
CN210099383U (en) * 2018-12-27 2020-02-21 童卓超 Supporting and fixing device for pipe fitting welding
CN110961832A (en) * 2019-11-12 2020-04-07 平世粉 Automatic welding robot with automatic protection function
CN110900101A (en) * 2019-12-11 2020-03-24 王冬暄 Marine metal hose welding supporting device convenient to assemble and position

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112372209A (en) * 2020-11-09 2021-02-19 马鞍山市盛远管道有限公司 Cast tube mouth processing equipment
CN112743263A (en) * 2020-12-25 2021-05-04 河北弘飞线缆集团有限公司 Cold welding machine for overhead insulated cable
CN112846634A (en) * 2021-01-08 2021-05-28 谭治平 Food package production and processing equipment with accurate stop gear
CN113276073A (en) * 2021-04-08 2021-08-20 新疆八钢钢管有限责任公司 Placing frame for hot dip galvanized steel pipe processing and using method thereof
CN113352050A (en) * 2021-06-25 2021-09-07 两山工程技术(武汉)有限公司 Hydraulic pull-back type replacing equipment for replacing water supply pipeline
CN114043160B (en) * 2021-10-29 2023-11-14 陈炳泉 Welding device for machining stainless steel corrugated pipe and use method
CN114043160A (en) * 2021-10-29 2022-02-15 陈炳泉 Welding device for machining stainless steel corrugated pipe and using method
CN114393339A (en) * 2022-01-20 2022-04-26 沧州昊海水利工程质量检测有限公司 Metal pipeline welding device for water conservancy construction and using method thereof
CN114378526A (en) * 2022-03-01 2022-04-22 李明泽 Welding process of pipeline
CN114654160A (en) * 2022-04-14 2022-06-24 桂林航天工业学院 Butt welding machine and driving assembly
CN115283781A (en) * 2022-08-19 2022-11-04 山西一建集团有限公司 Automatic pipeline welding device for pipeline crossing project
CN115469051A (en) * 2022-11-14 2022-12-13 成都华域环保有限公司 Deoiling experimental method for waste oil-containing catalyst
CN115469051B (en) * 2022-11-14 2023-02-21 成都华域环保有限公司 Deoiling experimental method for waste oil-containing catalyst
CN116551303A (en) * 2023-07-12 2023-08-08 湖南电气职业技术学院 Wind driven generator support overturning welding processing equipment

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