CN115070292A - Automatic pipe fitting welding equipment for oil and gas pipeline - Google Patents
Automatic pipe fitting welding equipment for oil and gas pipeline Download PDFInfo
- Publication number
- CN115070292A CN115070292A CN202211002359.3A CN202211002359A CN115070292A CN 115070292 A CN115070292 A CN 115070292A CN 202211002359 A CN202211002359 A CN 202211002359A CN 115070292 A CN115070292 A CN 115070292A
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- plate
- ring
- annular plate
- pipe fittings
- placing
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- 238000003466 welding Methods 0.000 title claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 238000001125 extrusion Methods 0.000 claims description 58
- 230000007246 mechanism Effects 0.000 claims description 31
- 230000002457 bidirectional effect Effects 0.000 claims description 23
- 238000005498 polishing Methods 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 10
- 238000003825 pressing Methods 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the technical field of pipe welding, in particular to automatic pipe welding equipment for an oil-gas pipeline. The roundness sizes of two pipe fittings can not be detected when the existing pipe fittings are welded, the phenomenon that welding points are not firm easily occurs after the slightly bent or sunken circular pipes are welded, rework processing is needed, the welding firmness of the pipe fittings is reduced, and the welding effect is reduced. The detection device adopted by the automatic welding equipment for the pipe fittings for the oil and gas pipeline can detect the contact ends of the two pipe fittings before the two pipe fittings are welded, detect whether the roundness size of the pipe fittings is qualified or not, and avoid welding the pipe fittings with bulges or depressions together, thereby reducing the subsequent rework steps and improving the welding effect of the pipe fittings.
Description
Technical Field
The invention relates to the technical field of pipe fitting welding, in particular to automatic pipe fitting welding equipment for an oil-gas pipeline.
Background
Pipelines are devices for transporting gases, liquids or fluids with solid particles, which are connected by pipes, pipe connectors, valves, etc., and oil and gas pipelines are mainly used for transporting oil and natural gas.
The method is simple and flexible to operate, and is suitable for factory workshops and construction sites, but the method cannot detect the roundness sizes of the two pipe fittings during welding, the phenomenon that welding points are not firm easily occurs after slightly bent or sunken circular pipes are welded, rework treatment is needed, the pipe welding steps are increased, the pipe welding firmness is reduced, and the welding effect is reduced.
The method also needs manual alignment adjustment of the contact ends of the two pipe fittings, so that the time required for pipe fitting welding alignment is increased, and the pipe fitting welding speed is reduced.
Disclosure of Invention
The technical problem to be solved is as follows: the invention provides automatic welding equipment for a pipe fitting for an oil and gas pipeline, which can solve the problems existing in the welding of the pipe fitting.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme that the automatic welding equipment for the pipe fittings for the oil-gas pipeline comprises a bottom plate, a placing device, a detecting device and a welding device, wherein the placing device is symmetrically arranged at the left and right of the upper end of the bottom plate, a rectangular groove is formed in the middle of the upper end of the bottom plate, the detecting device is arranged in the rectangular groove, the welding device is connected to the rear of the detecting device, and the welding device is fixedly connected with the bottom plate.
The detection device comprises a bidirectional electric push rod arranged in the rectangular groove through a push rod seat, two sliding blocks are symmetrically arranged at the left end and the right end of the bidirectional electric push rod, an annular plate is arranged at the upper end of each sliding block, a limiting frame is arranged at the position, close to the upper side, of the opposite surface of the annular plate, the limiting frame is of a U-shaped structure with an upward opening, guide grooves are formed in the front inner side wall and the rear inner side wall of the limiting frame, a plurality of uniformly distributed limiting through holes are formed in one end, away from the middle of the limiting frame, of each guide groove, a rectangular block is connected between the front guide groove and the rear guide groove in a sliding mode, a limiting rod is arranged in the middle of the rectangular block in a penetrating mode and is in sliding fit with the rectangular block, the limiting rod is in inserting fit with the limiting through holes, an L-shaped plate is arranged at one end, away from the annular plate, of the rectangular block, guide posts are all in sliding penetrating connection with guide posts, an observation opening is formed in the middle of the horizontal section of the L-shaped plate, and a plurality of guide posts connected with the same L-shaped plate are jointly provided with a detection mechanism, the periphery of the guide post is sleeved with a connecting spring, the upper end and the lower end of the connecting spring are fixedly connected with the horizontal section of the L-shaped plate and the detection mechanism respectively, and the back of the annular plate is provided with a clamping mechanism.
The detection mechanism comprises a detection frame arranged at the lower ends of a plurality of guide posts connected with the same L-shaped plate, a placing opening is arranged at one end of the detection frame far away from the annular plate, a lamp holder is arranged on the upper frame wall of the detection frame, a detection lamp is arranged on the lamp holder, a baffle plate is arranged between the front frame wall and the rear frame wall of the detection frame, two auxiliary plates are symmetrically arranged at the upper end and the lower end of the baffle plate, a sliding plate is arranged at one end of the auxiliary plate far away from the annular plate, the sliding plate is positioned in a gap between the detection frame and the baffle plate, a return spring is arranged between the auxiliary plates and the sliding plate, a metal contact plate is arranged at one end of the sliding plate far away from the auxiliary plates, wires are connected to the left side and the right side of the lower end of the lamp holder, the two wires respectively penetrate through the two auxiliary plates, the wires penetrating through the sliding plate are fixedly connected with the metal contact plate, a connecting plate is arranged at the lower end of the detection frame, and the connecting plate is of an L-shaped structure, one end of the connecting plate vertical section, which is far away from the annular plate, is rotatably connected with a test roller positioned below the connecting plate horizontal section.
As a preferred technical scheme of the invention, the placing device comprises a U-shaped seat arranged at the upper end of the bottom plate, the opening of the U-shaped seat is upward, placing rings are arranged on two side walls of the U-shaped seat, the placing ring close to the annular plate is fixedly connected with the side wall of the U-shaped seat close to the annular plate, the placing ring far away from the annular plate is rotatably connected with the side wall of the U-shaped seat far away from the annular plate, one end of the placing ring far away from the annular plate is provided with a positioning hole, one end of the placing ring far away from the annular plate is rotatably connected with a squeezing ring, a plurality of uniformly distributed plug-in holes are arranged on the squeezing ring, a positioning rod is inserted and matched with the plug-in holes and is arranged in a plug-in manner, one end of the squeezing ring close to the annular plate is provided with a plurality of circumferentially uniformly distributed squeezing plates, one side of the squeezing plate close to the placing ring is provided with a squeezing rod in a sliding penetrating and matching with the placing ring, one end of the squeezing rod close to the annular plate is provided with a square plate, an extrusion spring is installed between the outer annular surface of the square plate and the placing ring, a gear ring is installed at one end, close to the middle of the U-shaped seat, of the placing ring far away from the annular plate, a driving motor is installed at the upper end of the middle of the U-shaped seat, a driving gear is installed on an output shaft of the driving motor, and the driving gear is meshed with the gear ring.
As a preferred technical scheme, the welding device comprises a supporting plate arranged at the upper end of the bottom plate, a feeding electric push rod is arranged at the front end of the supporting plate, an arc-shaped plate is arranged at the front end of the feeding electric push rod, and a polishing mechanism, a cleaning brush and a welding module are sequentially arranged at the front end of the arc-shaped plate from bottom to top.
As a preferred technical scheme of the invention, the clamping mechanism comprises a clamping bidirectional push rod which is arranged on the back surface of the annular plate through a mounting seat, L-shaped rods are symmetrically arranged at the upper end and the lower end of the clamping bidirectional push rod, a clamping arc plate is arranged at one end of the L-shaped rod, which is far away from the push-out end of the clamping bidirectional push rod, and an anti-skid pad is arranged on the clamping arc plate.
As a preferred technical scheme of the invention, the polishing mechanism comprises a placing seat arranged at the front end of the arc-shaped plate, and a polishing head is inserted into the front end of the placing seat.
As a preferable technical scheme of the invention, a rubber pad is arranged at the inner end of the extrusion rod far away from the annular plate, and a ball is rotatably connected at the inner end of the extrusion rod close to the annular plate.
As a preferable technical scheme of the invention, the extrusion plate is of an arc-shaped structure, and the thickness of the extrusion plate is gradually increased.
As a preferable technical scheme of the invention, a moving plate positioned below the placing seat penetrates through the middle part of the supporting plate, the moving plate is in sliding fit with the supporting plate, and a plurality of auxiliary rollers which are uniformly distributed are rotatably connected on the left end surface and the right end surface of the moving plate.
Has the advantages that: 1. the detection device adopted by the automatic welding equipment for the pipe fittings for the oil and gas pipeline can detect the contact position of the two pipe fittings before the two pipe fittings are welded, so that the phenomenon that the contact ends of the two pipe fittings are deviated is avoided, whether the roundness size of the pipe fittings is qualified or not can be detected, and the pipe fittings with bulges or depressions are prevented from being welded together, so that the subsequent reworking steps are reduced, and the pipe fitting welding effect is improved.
2. The welding device adopted by the automatic welding equipment for the pipe fitting for the oil and gas pipeline can be used for polishing and welding the surface of the pipe fitting on the same equipment, so that rust on the pipe fitting is removed, the contact part of the two pipe fittings is welded more firmly, and the welding effect of the pipe fitting is improved.
3. The placing device adopted by the automatic welding equipment for the pipe fittings for the oil and gas pipeline can clamp the pipe fittings with different sizes in a certain range, and the pipe fittings on the left side and the right side are in a coaxial state, so that the alignment of the two pipe fittings is facilitated, and the time consumed by the alignment of the pipe fittings is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a perspective view of the present invention from a first perspective.
Fig. 2 is a perspective view of the present invention from a second perspective.
Fig. 3 is a front view of the present invention.
Fig. 4 is a left side view of the present invention.
Fig. 5 is a cross-sectional view a-a of fig. 3 of the present invention.
Fig. 6 is a cross-sectional view of B-B of fig. 4 in accordance with the present invention.
Fig. 7 is an enlarged view of the invention at N in fig. 6.
FIG. 8 is a schematic cross-sectional view of the arrangement of the placing ring, the pressing ring and the positioning rod of the present invention.
Fig. 9 is a schematic perspective view of the welding apparatus of the present invention.
In the figure: 1. a base plate; 2. a placement device; 21. a U-shaped seat; 22. placing a ring; 23. an extrusion ring; 24. positioning a rod; 25. a pressing plate; 26. an extrusion stem; 27. a compression spring; 28. a gear ring; 29. a drive motor; 20. a drive gear; 3. a detection device; 31. a bidirectional electric push rod; 32. a slider; 33. an annular plate; 34. a limiting frame; 35. a rectangular block; 36. a limiting rod; 37. an L-shaped plate; 38. a guide post; 39. a detection mechanism; 391. detecting a frame; 392. a lamp socket; 393. a baffle plate; 394. an auxiliary plate; 395. a sliding plate; 396. a return spring; 397. a connecting plate; 398. a test roller; 30. a clamping mechanism; 301. clamping the bidirectional push rod; 302. an L-shaped rod; 303. clamping the arc plate; 4. a welding device; 41. a support plate; 411. moving the plate; 42. a feed electric push rod; 43. an arc-shaped plate; 44. a polishing mechanism; 441. a placing seat; 442. polishing head; 45. cleaning a brush; 46. and (7) welding the module.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1-4, an automatic pipe welding device for oil and gas pipelines comprises a bottom plate 1, a placing device 2, a detecting device 3 and a welding device 4, wherein the placing device 2 is symmetrically installed at the left and right of the upper end of the bottom plate 1, a rectangular groove is formed in the middle of the upper end of the bottom plate 1, the detecting device 3 is installed in the rectangular groove, the welding device 4 is connected to the rear of the detecting device 3, and the welding device 4 is fixedly connected with the bottom plate 1.
Referring to fig. 9, the welding device 4 includes a supporting plate 41 installed at the upper end of the bottom plate 1, a feeding electric push rod 42 is installed at the front end of the supporting plate 41, an arc-shaped plate 43 is installed at the front end of the feeding electric push rod 42, and a polishing mechanism 44, a cleaning brush 45 and a welding module 46 are installed at the front end of the arc-shaped plate 43 from bottom to top in sequence.
Referring to fig. 9, the polishing mechanism 44 includes a holder 441 mounted on the front end of the curved plate 43, and a polishing head 442 is inserted into the holder 441.
Referring to fig. 9, a moving plate 411 positioned below the placing seat 441 penetrates through the middle of the supporting plate 41, the moving plate 411 is in sliding fit with the supporting plate 41, and a plurality of auxiliary rollers which are uniformly distributed are rotatably connected to both left and right end faces of the moving plate 411.
Referring to fig. 3 and 9, in an initial state, in operation, the polishing head 442 is manually inserted into the placing seat 441, the polishing head 442 detachably mounted in the placing seat 441 is convenient to replace after the polishing head 442 is used for a period of time, and the moving plate 411 is pushed to the middle of the detecting device 3.
Referring to fig. 6 and 7, the detection device 3 includes a bidirectional electric push rod 31 installed in the rectangular groove through a push rod seat, two sliding blocks 32 are symmetrically installed at the left and right ends of the bidirectional electric push rod 31, an annular plate 33 is installed at the upper end of the sliding block 32, a limiting frame 34 is installed at a position close to the upper side of the opposite surface of the annular plate 33, the limiting frame 34 is of a U-shaped structure with an upward opening, guide grooves are respectively formed in the front and rear inner side walls of the limiting frame 34, a plurality of evenly distributed limiting through holes are formed in one end of the guide groove far away from the middle of the limiting frame 34, a rectangular block 35 is slidably connected between the front and rear guide grooves, a limiting rod 36 is penetrated through the middle of the rectangular block 35, the limiting rod 36 is slidably matched with the rectangular block 35, the limiting rod 36 is in inserting fit with the limiting through holes, an L-shaped plate 37 is installed at one end of the rectangular block 35 far away from the annular plate 33, guide posts 38 are slidably connected at four corners of the horizontal section of the L-shaped plate 37, an observation opening is opened in the middle of the horizontal section of the L-shaped plate 37, the same L-shaped plate 37 is connected with a plurality of detection mechanisms 39, the lower end of the guide column 38 is jointly provided with a connecting spring, the upper end and the lower end of the connecting spring are fixedly connected with the horizontal section of the L-shaped plate 37 and the detection mechanisms 39 respectively, and the annular plate 33 is oppositely provided with the clamping mechanism 30.
Referring to fig. 2, 5, 6 and 8, the placing device 2 includes a U-shaped seat 21 installed on the upper end of the bottom plate 1, the opening of the U-shaped seat 21 faces upward, two side walls of the U-shaped seat 21 are both provided with placing rings 22, the placing ring 22 close to the annular plate 33 is fixedly connected with the side wall of the U-shaped seat 21 close to the annular plate 33, the placing ring 22 far from the annular plate 33 is rotatably connected with the side wall of the U-shaped seat 21 far from the annular plate 33, one end of the placing ring 22 far from the annular plate 33 is provided with a positioning hole, one end of the placing ring 22 far from the annular plate 33 is rotatably connected with a squeezing ring 23, the squeezing ring 23 is provided with a plurality of uniformly distributed inserting holes, a positioning rod 24 is inserted in the positioning hole, the positioning rod 24 is inserted and matched with the inserting hole, one end of the squeezing ring 23 close to the annular plate 33 is provided with a plurality of squeezing plates 25 uniformly distributed in the circumferential direction, one side of the squeezing plate 25 close to the placing ring 22 is provided with a squeezing rod 26, extrusion stem 26 with place ring 22 and slide through the cooperation, extrusion stem 26 is close to the one end of annular plate 33 and installs the square plate, the square plate with place and install extrusion spring 27 between the ring surface outside the ring 22, the ring 22 of placing of keeping away from annular plate 33 is close to the one end in U type seat 21 middle part and installs gear ring 28, driving motor 29 is installed to U type seat 21 interlude upper end, installs drive gear 20 on driving motor 29's the output shaft, drive gear 20 and gear ring 28 mesh.
Referring to fig. 6, a rubber pad is mounted at the inner end of the pressing rod 26 far from the annular plate 33, and a ball is rotatably connected at the inner end of the pressing rod 26 near the annular plate 33.
Referring to fig. 5, the pressing plate 25 has an arc-shaped structure, and the thickness of the pressing plate 25 gradually increases.
Referring to fig. 5, 6, 8 and 9, in specific operation, according to the size of the pipe to be welded, the extrusion ring 23 close to the annular plate 33 is manually rotated, the extrusion ring 23 rotates and drives the extrusion plate 25 to extrude the extrusion rod 26, meanwhile, the corresponding insertion hole on the extrusion ring 23 aligns with the positioning hole on the placing ring 22, then the positioning rod 24 is inserted in the insertion hole and the positioning hole, so as to position the extrusion ring 23, the extrusion ring 23 limits the extrusion rod 26 through the extrusion plate 25, two pipe to be welded are respectively hung to the sides of the two placing rings 22 far away from the annular plate 33 by a crane, the pipe is manually pushed towards the direction of the moving plate 411, the pipe sequentially passes through the two placing rings 22 on the same side and closely contacts with the moving plate 411 through the annular plate 33, the extrusion rods 26 close to the annular plate 33 limit the pipe through balls, and rolling friction is generated between the balls and the pipe, the smoothness of pipe fitting removal is improved.
Referring to fig. 6, the clamping mechanism 30 includes a clamping bidirectional push rod 301 mounted on the opposite side of the annular plate 33 through a mounting seat, L-shaped rods 302 are symmetrically mounted at the upper and lower ends of the clamping bidirectional push rod 301, a clamping arc plate 303 is mounted at one end of the L-shaped rod 302 away from the push-out end of the clamping bidirectional push rod 301, and a non-slip mat is disposed on the clamping arc plate 303.
Referring to fig. 5-9, in operation, after a pipe passes through the annular plate 33 and is tightly attached to the moving plate 411, the clamping bidirectional push rod 301 is started, the clamping bidirectional push rod 301 drives the clamping arc plate 303 to move towards the pipe through the upper and lower L-shaped rods 302, the anti-slip pads on the clamping arc plate 303 are tightly attached to the outer surface of the pipe, so as to increase the friction force between the clamping arc plate 303 and the pipe, the rectangular block 35 is manually moved, the rectangular block 35 slides in the guide groove on the limiting frame 34, the rectangular block 35 drives the detection mechanism 39 to move to the upper end of the pipe through the connecting spring at the lower end of the horizontal section of the L-shaped plate 37, the limiting rod 36 is inserted into the corresponding limiting through hole and the rectangular block 35 on the limiting frame 34, so as to limit the rectangular block 35, then the moving plate 411 is manually pulled back, the auxiliary rollers on the moving plate 411 are contacted with the end of the pipe and rotate, so as to facilitate the movement of the moving plate 411, after the moving plate 411 is pulled out from between two pipe fittings, the two-way electric push rod 31 is started, the two-way electric push rod 31 drives the two annular plates 33 to move relatively through the two sliding blocks 32, the annular plates 33 drive the pipe fittings between the two clamping arc plates 303 to move through the two L-shaped rods 302 clamping the two ends of the two-way push rod 301, the two pipe fittings move relatively and cling to each other, the left detection mechanism 39 and the right detection mechanism 39 cling to each other, then the extrusion ring 23 far from the annular plates 33 is manually rotated, the extrusion ring 23 rotates and drives the extrusion plate 25 to extrude the extrusion rods 26, meanwhile, the corresponding insertion holes on the extrusion ring 23 align with the positioning holes on the placing ring 22, then the positioning rods 24 are inserted into the insertion holes and the positioning holes, so as to position the extrusion rings 23, the extrusion rings 23 limit the extrusion rods 26 through the extrusion plates 25, and the rubber pads on the extrusion rods 26 far from the annular plates 33 cling to the outer surfaces of the pipe fittings, thereby increased the frictional force between the extrusion ram 26 of keeping away from annular plate 33 and the pipe fitting to carry on spacingly to the position of pipe fitting, start to press from both sides tight two-way push rod 301, press from both sides tight two-way push rod 301 and drive through two upper and lower L type poles 302 and press from both sides tight arc board 303 and reset to keeping away from the pipe fitting direction, press from both sides the slipmat on the tight arc board 303 and separate with the pipe fitting.
Referring to fig. 7, the detecting mechanism 39 includes a detecting frame 391 installed at the lower end of a plurality of guide posts 38 connected to the same L-shaped plate 37, a placing opening is provided at one end of the detecting frame 391 far from the annular plate 33, a lamp holder 392 is installed on the upper frame wall of the detecting frame 391, a detecting lamp is installed on the lamp holder 392, a baffle 393 is installed between the front and rear frame walls of the detecting frame 391, two auxiliary plates 394 are symmetrically installed at the upper and lower ends of the baffle 393, a sliding plate 395 is installed at one side of the auxiliary plate 394 far from the annular plate 33, the sliding plate 395 is located in a gap between the detecting frame 391 and the baffle 393, a return spring 396 is installed between the auxiliary plates 394 and the sliding plate 395, a metal contact plate is installed at one end of the sliding plate 395 far from the auxiliary plate 394, conducting wires are connected to the left and right sides of the lower end of the lamp holder 392, the two conducting wires respectively penetrate through the two auxiliary plates 394, the conducting wires penetrating through the auxiliary plates 394 and fixedly connected with the metal contact plate 395, the lower end of the detection frame 391 is provided with a connecting plate 397, the connecting plate 397 is of an L-shaped structure, and one end, far away from the annular plate 33, of the vertical section of the connecting plate 397 is rotatably connected with a test roller 398 located below the horizontal section of the connecting plate 397.
Referring to fig. 5-9, in specific operation, the existing power source is electrically connected to one side of the lamp holder 392 by a manual operation, after the bidirectional electric push rod 31 is started, the bidirectional electric push rod 31 drives the two annular plates 33 to move relatively through the two sliding blocks 32, the two annular plates 33 drive the rectangular block 35 and the L-shaped plate 37 to move through the limiting frame 34, the L-shaped plate 37 drives the detection frame 391 to move through the guide post 38, the detection frame 391 drives the sliding plate 395 to move, the left and right two opposite sliding plates 395 drive the corresponding two metal contact plates to cling to each other, so that the two lamp holders 392 form an electric circuit and are electrically connected, the power source is started, the detection lamp on the lamp holder 392 is lighted, then the two driving motors 29 are simultaneously started, the driving motor 29 drives the gear ring 28 to rotate through the driving gear 20, the gear ring 28 drives the placing ring 22 far away from the annular plates 33 to rotate, the placing ring 22 drives the pipe fitting to rotate through the rubber pad at the end of the extrusion rod 26, the rotating pipe fitting is contacted with the test roller 398 and drives the test roller 398 to rotate, if the contact ends of the two pipe fittings are not coaxially aligned or the pipe fittings are raised or sunken, a single test roller 398 drives the detection frame 391 to move upwards together under the extrusion of the pipe fitting, the connecting spring is compressed to contract, or the detection frame 391 and the test roller 398 integrally move downwards due to gravity, the connecting spring is stretched, the left detection frame 391 and the right detection frame are relatively displaced up and down, the left metal contact plate and the right metal contact plate are vertically displaced, so that a loop is disconnected, a detection lamp is extinguished, namely, the phenomenon that an interface is displaced or the interface is incompletely welded after the two pipe fittings are welded can be avoided through the detection mechanism 39, the feeding electric push rod 42 is started after the contact ends of the two pipe fittings are detected to be qualified, the feeding electric push rod 42 drives the arc-shaped plate 43 to move towards the contact ends of the pipe fittings, the arc-shaped plate 43 drives the polishing head 442, the cleaning brush 45 and the welding module 46 to be contacted with the pipe fittings, the polishing head 442 polishes the welded position of the pipe fitting, rust at the welded position is removed, the cleaning brush 45 cleans the polished rust, the welding module 46 is the existing welding device, the welding module 46 performs welding treatment on the welded position of the two polished pipe fittings, after the two pipe fittings are welded, the limiting of the extrusion rod 26 far away from the annular plate 33 on the pipe fitting is manually removed, the pipe fitting is manually pushed out from the placing ring 22, and the welding is completed.
During welding: s1: the manual work rotates the extrusion ring 23 that is close to annular plate 33, extrusion ring 23 rotates and drives extrusion plate 25 and extrudees extrusion stem 26, corresponding spliced eye on the extrusion ring 23 aligns with the locating hole on placing ring 22 simultaneously, then peg graft locating lever 24 in spliced eye and locating hole, thereby fix a position extrusion ring 23, hang two required welded pipe fittings respectively to two and keep away from annular plate 33 place ring 22 sides, the manual work pushes away the pipe fitting to movable plate 411 direction, the pipe fitting passes two of same one side in proper order and places ring 22 and run through annular plate 33 and hug closely with movable plate 411.
S2: start and press from both sides tight two-way push rod 301, it hugs closely with the pipe fitting surface to press from both sides tight two-way push rod 301 through L type pole 302 drive and press from both sides tight arc board 303, artifical removal rectangular block 35, rectangular block 35 drives L type board 37 and slides in the guide way on spacing frame 34, the coupling spring of L type board 37 horizontal segment lower extreme drives detection mechanism 39 and removes to the upper end of pipe fitting, alternate gag lever post 36 again in spacing frame 34 and rectangular block 35, thereby spacing rectangular block 35 carries out, later the manual work is taken out movable plate 411 to the back and is separated, start two-way electric putter 31, two-way electric putter 31 drives two annular plates 33 relative movement through two sliding blocks 32, annular plate 33 drives the pipe fitting removal between two tight arc boards 303 through two L type poles 302 that press from both ends tight two-way push rod 301, two pipe fitting relative movement and hugging closely, control two detection mechanism 39 simultaneously.
S3: the extrusion ring 23 far away from the annular plate 33 is rotated manually, the extrusion ring 23 rotates and drives the extrusion plate 25 to extrude the extrusion rod 26, corresponding spliced eye on the extrusion ring 23 aligns with the locating hole on the placing ring 22, then the locating rod 24 is spliced in the spliced eye and the locating hole, thereby the extrusion ring 23 is located, the extrusion ring 23 is limited to the extrusion rod 26 through the extrusion plate 25, the rubber pad on the extrusion rod 26 far away from the annular plate 33 is clung to the outer surface of the pipe fitting, thereby the friction between the extrusion rod 26 far away from the annular plate 33 and the pipe fitting is increased, and the position of the pipe fitting is limited, the starting clamping bidirectional push rod 301 is started, the clamping bidirectional push rod 301 drives the clamping arc plate 303 to reset to the direction far away from the pipe fitting through the upper and lower two L-shaped rods 302, and the anti-slip mat on the clamping arc plate 303 is separated from the pipe fitting.
S4: simultaneously starting the two driving motors 29, driving the driving motor 29 to drive the gear ring 28 to rotate through the driving gear 20, driving the placing ring 22 far away from the annular plate 33 to rotate through the gear ring 28, driving the pipe fitting to rotate through the rubber pad at the end part of the extrusion rod 26 through the placing ring 22, detecting the pipe fitting through the detection mechanism 39, after the detection is passed, starting the feeding electric push rod 42, driving the arc plate 43 to move towards the contact end of the pipe fitting through the feeding electric push rod 42, driving the polishing head 442, the cleaning brush 45 and the welding module 46 to be in contact with the contact end of the pipe fitting through the arc plate 43, polishing the welding part of the pipe fitting through the polishing head 442, removing rust at the welding part, cleaning the iron rust after polishing through the cleaning brush 45, wherein the welding module 46 is the existing welding equipment, welding the welding part of the two polished pipe fittings through the welding module 46, after the welding of the two pipe fittings is completed, manually removing the limit of the extrusion rod 26 far away from the annular plate 33 to the pipe fitting, the tube is manually pushed out of the placing ring 22 and the welding is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a pipe fitting automatic weld equipment for oil gas pipeline, includes bottom plate (1), placer (2), detection device (3) and welding set (4), its characterized in that: the placing devices (2) are symmetrically arranged at the left and right sides of the upper end of the bottom plate (1), a rectangular groove is formed in the middle of the upper end of the bottom plate (1), a detection device (3) is arranged in the rectangular groove, a welding device (4) is connected behind the detection device (3), and the welding device (4) is fixedly connected with the bottom plate (1); wherein:
the detection device (3) comprises a bidirectional electric push rod (31) installed in the rectangular groove through a push rod seat, two sliding blocks (32) are symmetrically installed at the left end and the right end of the bidirectional electric push rod (31), an annular plate (33) is installed at the upper end of each sliding block (32), a limiting frame (34) is installed at the position, close to the upper side, of the opposite surface of each annular plate (33), each limiting frame (34) is of a U-shaped structure with an upward opening, guide grooves are formed in the front inner side wall and the rear inner side wall of each limiting frame (34), a plurality of uniformly distributed limiting through holes are formed in the end, far away from the middle of each limiting frame (34), of each guide groove, a rectangular block (35) is connected between the front guide groove and the rear guide groove in a sliding mode, a limiting rod (36) is arranged in the middle of each rectangular block (35) in a penetrating mode, the limiting rod (36) is in sliding fit with the rectangular block (35), the limiting rod (36) is in inserting fit with the limiting through holes, one end, the rectangular block (35), far away from the annular plate (33), and an L-shaped plate (37) is installed at one end, l template (37) horizontal segment four corners department all slides through connection has guide post (38), and L template (37) horizontal segment middle part has been seted up and has been observed the opening, and is a plurality of that same L template (37) link detection mechanism (39) are installed jointly to guide post (38) lower extreme, and guide post (38) periphery cover is equipped with connecting spring, both ends respectively with L template (37) horizontal segment and detection mechanism (39) fixed connection about connecting spring, and clamping mechanism (30) are installed to annular plate (33) back of the body mutually.
2. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 1, wherein: the detection mechanism (39) comprises a detection frame (391) which is arranged at the lower ends of a plurality of guide posts (38) connected with the same L-shaped plate (37), a placing opening is arranged at one end, far away from the annular plate (33), of the detection frame (391), a lamp holder (392) is arranged on the upper frame wall of the detection frame (391), a detection lamp is arranged on the lamp holder (392), a baffle plate (393) is arranged between the front frame wall and the rear frame wall of the detection frame (391), two auxiliary plates (394) are symmetrically arranged at the upper end and the lower end of the baffle plate (393), a sliding plate (395) is arranged at one end, far away from the annular plate (33), of the auxiliary plate (394), the sliding plate (395) is positioned in a gap between the detection frame (391) and the baffle plate (393), a return spring (396) is arranged between the auxiliary plate (394) and the sliding plate (395), a metal contact plate is arranged at one end, far away from the auxiliary plate (394), of the sliding plate (395), and wires are connected with the left side and right side of the lower end of the lamp holder (392), two wires run through two auxiliary plate (394) respectively, and the wire that runs through auxiliary plate (394) runs through sliding plate (395) and with metal contact board fixed connection, detects frame (391) lower extreme and installs connecting plate (397), and connecting plate (397) are L type structure, and the one end that the vertical section of connecting plate (397) kept away from annular plate (33) is rotated and is connected with test roller (398) that are located connecting plate (397) horizontal segment below.
3. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 1, wherein: the placing device (2) comprises a U-shaped seat (21) arranged at the upper end of the bottom plate (1), the opening of the U-shaped seat (21) faces upwards, placing rings (22) are arranged on two side walls of the U-shaped seat (21), the placing ring (22) close to the annular plate (33) is fixedly connected with the side wall, close to the annular plate (33), of the U-shaped seat (21), the placing ring (22) far away from the annular plate (33) is rotatably connected with the side wall, far away from the annular plate (33), of the U-shaped seat (21), a positioning hole is formed in one end, far away from the annular plate (33), of the placing ring (22), an extruding ring (23) is rotatably connected with one end, far away from the annular plate (33), of the placing ring (22), a plurality of uniformly distributed inserting holes are formed in the extruding ring (23), a positioning rod (24) is inserted in the positioning hole, the positioning rod (24) is in inserting fit with the inserting hole, a plurality of circumferentially and uniformly distributed extruding plates (25) are arranged at one end, close to the annular plate (33), of the extruding ring (23), the side that stripper plate (25) are close to placing ring (22) is provided with stripper bar (26), stripper bar (26) with place ring (22) slip through cooperation, the one end that stripper bar (26) are close to annular plate (33) is installed the square plate, square plate and place and install extrusion spring (27) between the outer anchor ring of ring (22), the one end of placing ring (22) that keeps away from annular plate (33) and being close to U type seat (21) middle part is installed gear ring (28), driving motor (29) are installed to U type seat (21) interlude upper end, install drive gear (20) on the output shaft of driving motor (29), drive gear (20) and gear ring (28) meshing.
4. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 1, wherein: welding set (4) are including installing backup pad (41) of bottom plate (1) upper end, backup pad (41) front end are installed and are fed electric putter (42), and arc (43) are installed to feeding electric putter (42) front end, and polishing mechanism (44), cleaning brush (45) and welding module (46) are installed from lower upwards in proper order to arc (43) front end.
5. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 1, wherein: the clamping mechanism (30) comprises a clamping bidirectional push rod (301) arranged on the back of the annular plate (33) through a mounting seat, L-shaped rods (302) are symmetrically arranged at the upper end and the lower end of the clamping bidirectional push rod (301), a clamping arc plate (303) is arranged at one end, far away from the push-out end of the clamping bidirectional push rod (301), of each L-shaped rod (302), and an anti-skid pad is arranged on each clamping arc plate (303).
6. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 4, wherein: the polishing mechanism (44) comprises a placing seat (441) installed at the front end of the arc-shaped plate (43), and a polishing head (442) is inserted into the front end of the placing seat (441).
7. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 3, wherein: the inner end of the extrusion rod (26) far away from the annular plate (33) is provided with a rubber pad, and the inner end of the extrusion rod (26) close to the annular plate (33) is rotatably connected with a ball.
8. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 3, wherein: the extrusion plate (25) is of an arc-shaped structure, and the thickness of the extrusion plate (25) is gradually increased.
9. The automatic welding equipment of pipe fittings for oil and gas pipelines of claim 6, wherein: a moving plate (411) located below the placing seat (441) penetrates through the middle of the supporting plate (41), the moving plate (411) is in sliding fit with the supporting plate (41), and a plurality of auxiliary rollers which are uniformly distributed are rotationally connected to the left end face and the right end face of the moving plate (411).
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| CN202211002359.3A CN115070292B (en) | 2022-08-22 | 2022-08-22 | Automatic pipe fitting welding equipment for oil and gas pipeline |
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| CN202211002359.3A CN115070292B (en) | 2022-08-22 | 2022-08-22 | Automatic pipe fitting welding equipment for oil and gas pipeline |
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| CN115070292B CN115070292B (en) | 2022-10-28 |
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| CN116135388A (en) * | 2023-04-19 | 2023-05-19 | 沧州友发管道装备有限公司 | Forming and welding equipment and method for large-caliber spiral steel pipe |
| CN116393898A (en) * | 2023-04-27 | 2023-07-07 | 张弛 | Steel bar welding positioning device for building construction |
| CN116475648A (en) * | 2023-06-26 | 2023-07-25 | 玉田县信德诚印刷机械有限公司 | Automatic welding equipment for steel cores of printing rollers |
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| CN116135388A (en) * | 2023-04-19 | 2023-05-19 | 沧州友发管道装备有限公司 | Forming and welding equipment and method for large-caliber spiral steel pipe |
| CN116511821A (en) * | 2023-04-26 | 2023-08-01 | 长春市双阳区兴龙汽车零部件有限公司 | Automatic regulating equipment of welding machine |
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| CN116967704B (en) * | 2023-08-24 | 2024-04-19 | 武汉市燃气集团有限公司 | Automatic circumferential welding device for gas pipeline |
| CN116967704A (en) * | 2023-08-24 | 2023-10-31 | 武汉市燃气集团有限公司 | Automatic circumferential welding device for gas pipeline |
| CN117226512A (en) * | 2023-11-10 | 2023-12-15 | 吉林大学 | Automatic welding equipment for automobile welding conveying line based on intelligent digital twin |
| CN117226512B (en) * | 2023-11-10 | 2024-01-09 | 吉林大学 | Automatic welding equipment for automobile welding conveying line based on intelligent digital twin |
| CN117680952A (en) * | 2024-01-31 | 2024-03-12 | 宏耀建设集团有限公司 | Steel structure assembly processing platform |
| CN117680952B (en) * | 2024-01-31 | 2024-04-16 | 宏耀建设集团有限公司 | Steel structure assembly processing platform |
| CN117705365A (en) * | 2024-02-06 | 2024-03-15 | 天津市海盛润达管业有限公司 | Welding quality detection equipment for metal welded pipe |
| CN117705365B (en) * | 2024-02-06 | 2024-04-16 | 天津市海盛润达管业有限公司 | Welding quality detection equipment for metal welded pipe |
| CN117783283A (en) * | 2024-02-23 | 2024-03-29 | 西安恒宇钢管制造有限公司 | Ultrasonic nondestructive testing equipment for weld joint of spiral welded pipe |
| CN117783283B (en) * | 2024-02-23 | 2024-04-30 | 西安恒宇钢管制造有限公司 | Ultrasonic nondestructive testing equipment for weld joint of spiral welded pipe |
| CN118081158A (en) * | 2024-04-23 | 2024-05-28 | 中建安装集团有限公司 | Petrochemical industry pipeline welding set with automatic alignment function |
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Denomination of invention: An automatic welding equipment for oil and gas pipeline fittings Effective date of registration: 20231220 Granted publication date: 20221028 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: HEBEI PROVINCE YANSHAN COUNTY ELECTRICITY PIPE-FITTINGS Co.,Ltd. Registration number: Y2023980073117 |
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