CN110614417A - Submerged arc automatic welding system - Google Patents
Submerged arc automatic welding system Download PDFInfo
- Publication number
- CN110614417A CN110614417A CN201910830265.7A CN201910830265A CN110614417A CN 110614417 A CN110614417 A CN 110614417A CN 201910830265 A CN201910830265 A CN 201910830265A CN 110614417 A CN110614417 A CN 110614417A
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- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 122
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000001125 extrusion Methods 0.000 claims description 41
- 238000000605 extraction Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 18
- 230000004907 flux Effects 0.000 abstract description 50
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000000740 bleeding effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention belongs to the technical field of welding, and particularly relates to a submerged automatic arc welding system; the device comprises a wire feeding mechanism, a funnel connected with the wire feeding mechanism and a moving mechanism connected with the funnel, wherein a middle cylinder is arranged between the wire feeding mechanism and the funnel and fixedly connected with the funnel; a supporting rod is arranged in the funnel, a return spring is fixedly connected to the bottom of the supporting rod, a quantifying disc is fixedly connected to the bottom of the return spring, a limiting ring is arranged at the top of the quantifying disc, and the outer edge of the limiting ring is fixedly connected with the inner wall of the funnel; the top of the quantitative disc is fixedly connected with a pull rope, the top end of the pull rope sequentially penetrates through the support rod and the funnel to enter the middle cylinder, and one end of the pull rope, which is positioned in the middle cylinder, is fixedly connected with an air suction disc; according to the invention, through the mutual matching of the quantitative disc and the welding flux, when the welding flux reaches a certain amount, the quantitative disc is moved downwards, the pull rope is driven, the pull rope drives the air suction disc to move upwards, and the bent pipe at the bottom of the middle cylinder can extract air in the welding flux, so that the air content is reduced, and the welding quality is improved.
Description
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a submerged automatic arc welding system.
Background
Submerged arc welding is one of the most widely used processes in welding production. The welding method is particularly suitable for welding long welding seams of medium and thick plates due to large welding penetration, high production efficiency and high degree of mechanization. The method is a main welding production means in the manufacturing of ships, boilers and pressure vessels, chemical engineering, bridges, hoisting machinery, engineering machinery, metallurgical machinery, marine structures, nuclear power equipment and the like. During welding, the flux flows out from the flux hopper and is uniformly coated on the surface of a weldment, a welding wire is automatically fed by the wire feeding mechanism and enters an arc area through the contact tip, and the welding power supply is respectively connected to the contact tip and the weldment to generate electric arcs. The submerged arc welding machine is a welding machine which utilizes electric arc to burn under a welding flux layer for welding, and is mainly used for welding a flat plate with larger thickness or a large arc cylinder. The welding machine has the advantages of stable welding quality, high welding productivity, no arc light, little smoke and the like, and is a main welding machine in the manufacture of pressure vessels, pipe sections, box beam column steel structures and the like.
Insufficient flux coverage during welding results in blowholes due to exposure of the arc and entrainment of air. In view of the fact that such a phenomenon is likely to occur when welding a circular seam, particularly a circular seam with a small diameter, the present invention provides a submerged arc automatic welding system which can treat air in a flux during welding, reduce the content of air, and improve the welding quality.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a submerged arc automatic welding system which mainly comprises a quantitative disc and a welding flux which are matched with each other, wherein after the welding flux reaches a certain amount, the quantitative disc is driven to move downwards, a pull rope is driven, the pull rope drives an air suction disc to move upwards, and a bent pipe at the bottom of a middle cylinder can extract air in the welding flux, so that the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a submerged arc automatic welding system comprises a wire feeding mechanism, a funnel connected with the wire feeding mechanism and a moving mechanism connected with the funnel, wherein a middle cylinder is arranged between the wire feeding mechanism and the funnel and fixedly connected with the funnel; a supporting rod is arranged in the funnel, a return spring is fixedly connected to the bottom of the supporting rod, a quantifying disc is fixedly connected to the bottom of the return spring, a limiting ring is arranged at the top of the quantifying disc, and the outer edge of the limiting ring is fixedly connected with the inner wall of the funnel; the top of the quantitative disc is fixedly connected with a pull rope, the top end of the pull rope sequentially penetrates through the support rod and the funnel to enter the middle barrel, one end of the pull rope, which is positioned in the middle barrel, is fixedly connected with an air suction disc, and the diameter of the air suction disc is the same as the inner diameter of the middle barrel; the inner wall of the middle cylinder at the bottom of the air suction disc is fixedly connected with a check ring, the top of the check ring is provided with a sealing plate, the wall thickness of the middle cylinder between the sealing plate and the air suction disc is provided with an exhaust hole, the exhaust hole of the exhaust hole is sealed by a disc, one surface of the disc, which is close to the middle cylinder, is fixedly connected with a first elastic rope, and the first elastic rope is connected with the middle cylinder; the bottom of the middle cylinder is connected with a bent pipe, and the bottom end of the bent pipe faces the bottom end of the wire feeding mechanism; when the welding wire feeding mechanism works, the moving mechanism drives the funnel and the wire feeding mechanism to move, the funnel is mainly used for spreading and spraying a welding flux in front of submerged-arc welding, the wire feeding mechanism is mainly used for conveying a welding wire and transmitting welding current to enable the welding wire to weld a welding seam, when the welding wire is electrified to weld, after the welding flux in the funnel reaches a certain amount, the return spring cannot support the weight of the welding flux and the quantitative disc, the quantitative disc is extruded by the welding flux and moves downwards, the welding flux falls into the funnel at the bottom of the quantitative disc, the welding flux flows out from the bottom end of the funnel to spread and spray the welding flux, when the quantitative disc moves downwards, the stay cord can be pulled, the stay cord pulls the air suction disc in the middle cylinder to rise, negative pressure can be generated at the bottom of the air suction disc to drive the sealing plate upwards, when the sealing plate rises, air mixed in the welding flux can be, the air suction disc does not rise any more, the sealing plate falls off before the air suction disc due to self gravity to seal the check ring, when the air suction disc falls off, the air sucked into the middle cylinder from the bottom of the air suction disc is extruded, the extruded air pushes the disc open, the air is discharged from the exhaust hole, finally, the air in the welding flux is pumped out, the air content in the welding flux is reduced, and the welding quality is improved.
Preferably, the bottom end of the elbow is connected with a plurality of exhaust pipes, the exhaust pipes are rotatably connected with the elbow, and the exhaust pipes are communicated with the elbow through connecting hoses; elastic hoses are arranged between every two adjacent air exhaust pipes; when air in the flux is extracted through the exhaust tubes, when extraction is started, the plurality of exhaust tubes are in a divergence shape, air is extracted from the flux, the extracted area is large, air is extracted from the large welding environment firstly, when air is extracted continuously, the air amount in the flux is less and less, the air in the elastic hose is extracted, the inclined exhaust tubes deflect towards the middle part, the air extraction ends of the plurality of exhaust tubes are concentrated under the wire feeding mechanism, the air is continuously extracted from the welding part, the air around the welding part can be processed firstly, the air is continuously extracted from the welding part, the probability that the air at other positions is diffused to the welding part is reduced, and the air extraction intensity of the welding part is enhanced simultaneously.
Preferably, the upper wall thickness of each exhaust pipe is provided with an extrusion plate in a penetrating manner, the extrusion plates on adjacent exhaust pipes can be extruded mutually, the extrusion plates are connected with the exhaust pipes through second elastic ropes, and the second elastic ropes are arranged in the exhaust pipes; when a plurality of exhaust tubes are close to each other, a plurality of stripper plates on the exhaust tube extrude each other two adjacent stripper plates, can press the stripper plate to the exhaust tube inside, and the opening size when getting into the inside stripper plate of exhaust tube and can extracting the air to the exhaust tube changes, and during the power extraction air of equidimension, because the opening when bleeding diminishes, the intensity grow that makes the extraction air can carry out high-strength to the welding position and bleed, has further improved the effect of bleeding.
Preferably, the extrusion plate is arc-shaped, and one end of the extrusion plate positioned in the exhaust pipe is bent towards the elbow pipe; when the stripper plate moves to the intraductal pressure of exhaust, because the stripper plate is the arc, can make the air pass through the stripper plate surface fast, when on the other hand air passes through the stripper plate, can have a thrust to the stripper plate, make the stripper plate can remove to the exhaust tube fast, opening size when the exhaust tube extraction air of quick change for bleed to welding department.
Preferably, a plurality of bulges are arranged on one surface of the extrusion plate facing the wire feeding mechanism, and the bulges are arranged in a hollow manner; the plurality of bulges can increase the wind resistance on the surface of the extrusion plate, and can generate larger thrust on the extrusion plate through the action of the bulges when wind blows to the surface of the extrusion plate, so that the extrusion plate can move towards the exhaust pipe quickly, on the other hand, when the extrusion plate returns, due to the action of the bulges, the bulges are slowly returned when being extruded on the wall thickness of the exhaust pipe, when the sealing plate moves downwards, part of wind at the bottom of the sealing plate cannot be extruded from the exhaust pipe and enters the welding flux again, but is discharged from the exhaust hole, and the effect of exhausting is improved.
Preferably, the elastic coefficient of the bulge close to the center of the exhaust pipe is larger than that far away from the center of the exhaust pipe; can press when the stripper plate moves to the return bend, the degree of difficulty that the stripper plate was promoted diminishes gradually, and at the inception, have longer bleeding around the welding position, rotate and aim at the in-process at the position of bleeding when the exhaust tube, the stripper plate can be extruded to the exhaust tube fast, when the second stretch cord with the stripper plate pull back normal position, because the friction of arch and exhaust tube, make the stripper plate return have the resistance, reduced the probability that the exhaust tube was extruded to the air.
The invention has the technical effects and advantages that:
1. according to the automatic submerged arc welding system, the quantitative disc and the welding flux are matched with each other, when the welding flux reaches a certain amount, the quantitative disc is moved downwards, the pull rope is driven, the pull rope drives the air suction disc to move upwards, the bent pipe at the bottom of the middle cylinder can extract air in the welding flux, the air content is reduced, and the welding quality is improved.
2. According to the automatic submerged arc welding system, the elastic hose is arranged among the plurality of exhaust pipes, when the exhaust pipes are in a divergent shape and have a large extraction area, air is extracted from a welded large environment firstly, when the air is extracted continuously, the exhaust pipes rotate, the exhaust ends of the plurality of exhaust pipes are enabled to point to the position right below the wire feeding mechanism in a concentrated mode, the air is extracted continuously from a welded part, the probability that air at other positions is diffused to the welded part is reduced, and meanwhile the air extraction strength of the welded part is enhanced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a principal cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is a top cross-sectional view of the extraction duct of the present invention;
in the figure: the device comprises a wire feeding mechanism 1, a funnel 2, a moving mechanism 3, a middle barrel 4, a support rod 5, a return spring 6, a quantitative disc 7, a limiting ring 8, a pull rope 9, an air suction disc 10, a retainer ring 11, a sealing plate 12, an exhaust hole 13, a circular disc 14, a bent pipe 15, an exhaust pipe 16, a connecting hose 17, an elastic hose 18, an extrusion plate 19 and a protrusion 20.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, the submerged arc automatic welding system of the present invention comprises a wire feeding mechanism 1, a funnel 2 connected with the wire feeding mechanism 1, and a moving mechanism 3 connected with the funnel 2, wherein an intermediate cylinder 4 is arranged between the wire feeding mechanism 1 and the funnel 2, and the intermediate cylinder 4 is fixedly connected with the funnel 2; a supporting rod 5 is arranged in the funnel 2, the bottom of the supporting rod 5 is fixedly connected with a return spring 6, the bottom of the return spring 6 is fixedly connected with a quantifying disc 7, a limiting ring 8 is arranged at the top of the quantifying disc 7, and the outer edge of the limiting ring 8 is fixedly connected with the inner wall of the funnel 2; the top of the quantitative disc 7 is fixedly connected with a pull rope 9, the top end of the pull rope 9 sequentially penetrates through the support rod 5 and the funnel 2 to enter the middle barrel 4, one end of the pull rope 9, which is positioned in the middle barrel 4, is fixedly connected with an air suction disc 10, and the diameter of the air suction disc 10 is the same as the inner diameter of the middle barrel 4; a check ring 11 is fixedly connected to the inner wall of the middle barrel 4 at the bottom of the air suction disc 10, a sealing plate 12 is arranged at the top of the check ring 11, an air exhaust hole 13 is formed in the wall thickness of the middle barrel 4 between the sealing plate 12 and the air suction disc 10, an air exhaust port of the air exhaust hole 13 is sealed through a disc 14, a first elastic rope is fixedly connected to one surface, close to the middle barrel 4, of the disc 14, and the first elastic rope is connected with the middle barrel 4; the bottom of the middle cylinder 4 is connected with a bent pipe 15, and the bottom end of the bent pipe 15 faces the bottom end of the wire feeding mechanism 1; when the device works, the funnel 2 and the wire feeding mechanism 1 are driven to move by the moving mechanism 3, the funnel 2 is mainly used for spreading a welding flux in front of submerged arc welding, the wire feeding mechanism 1 is mainly used for conveying a welding wire and transmitting welding current to enable the welding wire to weld a welding seam, when the welding wire is electrified to weld, after the welding flux in the funnel 2 reaches a certain amount, the return spring 6 cannot support the weight of the welding flux and the quantitative disc 7, the quantitative disc 7 is extruded by the welding flux to move downwards, the welding flux falls into the funnel 2 at the bottom of the quantitative disc 7 and flows out from the bottom end of the funnel 2 to spread the welding flux, when the quantitative disc 7 moves downwards, the pull rope 9 can be pulled, the air suction disc 10 in the middle cylinder 4 is pulled to rise by the pull rope 9, the bottom of the air suction disc 10 can generate negative pressure to drive the sealing plate 12 upwards, when the sealing plate 12 rises, air mixed in the welding flux can be extracted from, when the return spring 6 drives the quantitative disc 7 to return to the original position, the air suction disc 10 does not rise any more, the sealing plate 12 falls down before the air suction disc 10 under the action of self gravity to seal the check ring 11, when the air suction disc 10 falls down, the air sucked into the middle cylinder 4 from the bottom of the air suction disc is extruded, the extruded air pushes the disc 14 open, the air is discharged from the exhaust hole 13, finally, the air in the welding flux is extracted, the air content in the welding flux is reduced, and the welding quality is improved.
The bottom end of the elbow 15 is connected with a plurality of air extraction pipes 16, the air extraction pipes 16 are rotatably connected with the elbow 15, and the air extraction pipes 16 are communicated with the elbow 15 through connecting hoses 17; elastic hoses 18 are arranged between every two adjacent suction pipes 16; when extracting the air in the solder flux through exhaust tube 16, when beginning the extraction, a plurality of exhaust tubes 16 are the form of dispersing, extract the air from the solder flux, the area of extraction is great, extract the air to the big environment of welding earlier, when continuing to extract the air, the air volume in the solder flux is less and less, the air in the flexible hose 18 is extracted, can make the exhaust tube 16 of slope deflect to the centre, make a plurality of exhaust tubes 16 bleed end all concentrate to point to send under the wire drive 1, continue to extract the air to the welding position, can process the air around the welding position earlier, continue to bleed the welding position again, reduce the air diffusion of other positions to the probability of welding position, strengthen the intensity of bleeding to the welding position simultaneously.
The upper wall thickness of the air exhaust pipe 16 is provided with an extrusion plate 19 in a penetrating manner, the extrusion plates 19 on the adjacent air exhaust pipes 16 can be extruded mutually, the extrusion plates 19 are connected with the air exhaust pipe 16 through a second elastic rope, and the second elastic rope is arranged inside the air exhaust pipe 16; when a plurality of exhaust tubes 16 are close to each other, a plurality of squeezing plates 19 on the exhaust tubes 16 and two adjacent squeezing plates 19 squeeze each other, the squeezing plates 19 can be pressed towards the inside of the exhaust tubes 16, the size of an opening when the squeezing plates 19 entering the inside of the exhaust tubes 16 can extract air from the exhaust tubes 16 can be changed, and when air is extracted by force with the same size, the opening when air is extracted becomes small, so that the intensity of the extracted air is increased, high-intensity air extraction can be performed on a welding part, and the air extraction effect is further improved.
The extrusion plate 19 is arc-shaped, and one end of the extrusion plate positioned in the exhaust pipe 16 is bent towards the elbow pipe 15; when the extrusion plate 19 is pressed into the exhaust tube 16, because the extrusion plate 19 is arc-shaped, air can rapidly pass through the surface of the extrusion plate 19, and on the other hand, when the air passes through the extrusion plate 19, the air can have a thrust force on the extrusion plate 19, so that the extrusion plate 19 can rapidly move into the exhaust tube 16, the opening size of the exhaust tube 16 during air extraction is rapidly changed, and air extraction to a welding part is accelerated.
A plurality of protrusions 20 are arranged on one surface of the extrusion plate 19 facing the wire feeder 1, and the protrusions 20 are hollow; the plurality of bulges 20 can increase the wind resistance on the surface of the extrusion plate 19, and when wind blows to the surface of the extrusion plate 19, a larger thrust is applied to the extrusion plate 19 under the action of the bulges 20, so that the extrusion plate 19 can move towards the air exhaust pipe 16 quickly, when the extrusion plate 19 returns, due to the action of the bulges 20, when the bulges 20 extrude on the wall thickness of the air exhaust pipe 16, the return is slow, when the closing plate 12 moves downwards, part of wind at the bottom of the closing plate 12 cannot be extruded from the air exhaust pipe 16 and enters the welding flux again, but is discharged from the air exhaust hole 13, and the effect during air exhaust is improved.
The elastic coefficient of the projection 20 near the center of the exhaust tube 16 is larger than that far from the center of the exhaust tube 16; when the extrusion plate 19 is pressed towards the elbow 15, the difficulty of pushing the extrusion plate 19 is gradually reduced, and at the beginning, air is extracted for a long time around the welding part, when the air extraction pipe 16 rotates and aligns at the air extraction part, the extrusion plate 19 can be quickly extruded into the air extraction pipe 16, when the second elastic rope pulls the extrusion plate 19 back to the original position, the extrusion plate 19 returns to the original position with resistance due to the friction between the bulge 20 and the air extraction pipe 16, and the probability of air extrusion from the air extraction pipe 16 is reduced.
When the device works, the funnel 2 and the wire feeding mechanism 1 are driven to move by the moving mechanism 3, the funnel 2 is mainly used for spreading a welding flux in front of submerged arc welding, the wire feeding mechanism 1 is mainly used for conveying a welding wire and transmitting welding current to enable the welding wire to weld a welding seam, when the welding wire is electrified to weld, after the welding flux in the funnel 2 reaches a certain amount, the return spring 6 cannot support the weight of the welding flux and the quantitative disc 7, the quantitative disc 7 is extruded by the welding flux to move downwards, the welding flux falls into the funnel 2 at the bottom of the quantitative disc 7 and flows out from the bottom end of the funnel 2 to spread the welding flux, when the quantitative disc 7 moves downwards, the pull rope 9 can be pulled, the air suction disc 10 in the middle cylinder 4 is pulled to rise by the pull rope 9, the bottom of the air suction disc 10 can generate negative pressure to drive the sealing plate 12 upwards, when the sealing plate 12 rises, air mixed in the welding flux can be extracted from, when the return spring 6 drives the quantitative disc 7 to return to the original position, the air suction disc 10 does not rise any more, the sealing plate 12 falls down before the air suction disc 10 under the action of self gravity to seal the check ring 11, when the air suction disc 10 falls down, the air sucked into the middle cylinder 4 from the bottom of the air suction disc is extruded, the extruded air pushes the disc 14 open, the air is discharged from the exhaust hole 13, finally, the air in the welding flux is extracted, the air content in the welding flux is reduced, and the welding quality is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a submerged arc automatic weld welding system, includes wire feeder (1), funnel (2) be connected with wire feeder (1) and moving mechanism (3) be connected with funnel (2), its characterized in that: a middle cylinder (4) is arranged between the wire feeding mechanism (1) and the funnel (2), and the middle cylinder (4) is fixedly connected with the funnel (2); a supporting rod (5) is arranged in the funnel (2), the bottom of the supporting rod (5) is fixedly connected with a return spring (6), the bottom of the return spring (6) is fixedly connected with a quantifying disc (7), a limiting ring (8) is arranged at the top of the quantifying disc (7), and the outer edge of the limiting ring (8) is fixedly connected with the inner wall of the funnel (2); the top of the quantitative disc (7) is fixedly connected with a pull rope (9), the top end of the pull rope (9) sequentially penetrates through the support rod (5) and the funnel (2) to enter the middle barrel (4), one end, located in the middle barrel (4), of the pull rope (9) is fixedly connected with an air suction disc (10), and the diameter of the air suction disc (10) is the same as the inner diameter of the middle barrel (4); a check ring (11) is fixedly connected to the inner wall of the middle cylinder (4) at the bottom of the air suction disc (10), a sealing plate (12) is arranged at the top of the check ring (11), an exhaust hole (13) is formed in the wall thickness of the middle cylinder (4) between the sealing plate (12) and the air suction disc (10), an exhaust port of the exhaust hole (13) is sealed through a disc (14), a first elastic rope is fixedly connected to one surface, close to the middle cylinder (4), of the disc (14), and the first elastic rope is connected with the middle cylinder (4); the bottom of the middle cylinder (4) is connected with a bent pipe (15), and the bottom end of the bent pipe (15) faces the bottom end of the wire feeding mechanism (1).
2. A submerged automatic welding system according to claim 1, wherein: the bottom end of the elbow (15) is connected with a plurality of air extraction pipes (16), the air extraction pipes (16) are rotatably connected with the elbow (15), and the air extraction pipes (16) are communicated with the elbow (15) through connecting hoses (17); elastic hoses (18) are arranged between every two adjacent suction pipes (16).
3. A submerged automatic welding system according to claim 2, wherein: an extrusion plate (19) penetrates through the upper wall thickness of the air exhaust pipe (16), the extrusion plates (19) on the adjacent air exhaust pipes (16) can be extruded mutually, the extrusion plates (19) are connected with the air exhaust pipe (16) through second elastic ropes, and the second elastic ropes are arranged inside the air exhaust pipe (16).
4. A submerged automatic welding system according to claim 3, wherein: the extrusion plate (19) is arc-shaped, and one end of the extrusion plate positioned in the exhaust pipe (16) is bent towards the bent pipe (15).
5. A submerged automatic welding system according to claim 4, characterized in that: the extrusion plate (19) is provided with a plurality of bulges (20) on one surface facing the wire feeding mechanism (1), and the bulges (20) are arranged in a hollow way.
6. A submerged automatic welding system according to claim 5, characterized in that: the elastic coefficient of the bulge (20) close to the center of the exhaust tube (16) is larger than that of the bulge far away from the center of the exhaust tube (16).
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CN201910830265.7A CN110614417B (en) | 2019-09-04 | 2019-09-04 | Submerged arc automatic welding system |
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CN201910830265.7A CN110614417B (en) | 2019-09-04 | 2019-09-04 | Submerged arc automatic welding system |
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CN110614417B CN110614417B (en) | 2021-02-26 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5021149A (en) * | 1988-07-01 | 1991-06-04 | Aspa Zurich AG | Process and device for processing granulated materials |
JPH06647A (en) * | 1992-06-23 | 1994-01-11 | Nippon Steel Corp | Flux feeder for submerged arc welding |
CN202070843U (en) * | 2011-04-20 | 2011-12-14 | 西安长庆科技工程有限责任公司 | Submerged arc automatic welding device |
CN206632501U (en) * | 2017-02-23 | 2017-11-14 | 苏州市苏网建设工程有限公司 | Automatic submerged arc welding machine |
CN207154967U (en) * | 2017-08-23 | 2018-03-30 | 江苏国电新能源装备有限公司 | A kind of longitudinal joint automatic arc welding of wire-feeding device of welding machine and the application device |
-
2019
- 2019-09-04 CN CN201910830265.7A patent/CN110614417B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5021149A (en) * | 1988-07-01 | 1991-06-04 | Aspa Zurich AG | Process and device for processing granulated materials |
JPH06647A (en) * | 1992-06-23 | 1994-01-11 | Nippon Steel Corp | Flux feeder for submerged arc welding |
CN202070843U (en) * | 2011-04-20 | 2011-12-14 | 西安长庆科技工程有限责任公司 | Submerged arc automatic welding device |
CN206632501U (en) * | 2017-02-23 | 2017-11-14 | 苏州市苏网建设工程有限公司 | Automatic submerged arc welding machine |
CN207154967U (en) * | 2017-08-23 | 2018-03-30 | 江苏国电新能源装备有限公司 | A kind of longitudinal joint automatic arc welding of wire-feeding device of welding machine and the application device |
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