CN116586894B - Metal pipeline welding device - Google Patents
Metal pipeline welding device Download PDFInfo
- Publication number
- CN116586894B CN116586894B CN202310876298.1A CN202310876298A CN116586894B CN 116586894 B CN116586894 B CN 116586894B CN 202310876298 A CN202310876298 A CN 202310876298A CN 116586894 B CN116586894 B CN 116586894B
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- China
- Prior art keywords
- driving
- pipe
- water pipe
- roller
- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 85
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 238000003825 pressing Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 230000006835 compression Effects 0.000 claims description 38
- 238000007906 compression Methods 0.000 claims description 38
- 239000000110 cooling liquid Substances 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000037303 wrinkles Effects 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
- 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
- B23K37/0533—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 external pipe alignment clamps
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- 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 welding devices, and particularly discloses a metal pipeline welding device which comprises a frame, wherein a support is arranged on the frame; the pipeline supporting mechanism is arranged on the support; the pipeline welding mechanism is arranged on the support and comprises a swivel base and a second driving mechanism, a telescopic bracket is arranged on the swivel base, and a bracing assembly and a welding gun are arranged on the telescopic bracket; according to the metal pipeline welding device, the supporting and pressing assembly is controlled to be abutted against the inner side of the liner tube, the rotating seat is driven to rotate to drive the supporting and pressing assembly and the welding gun to rotate, the welding gun welds the joint of the liner tube and the base tube, meanwhile, the first pressing roller, the driving roller and the second pressing roller on the supporting and pressing assembly roll against the inner side of the liner tube, the welding position is abutted against the joint of the liner tube and the base tube, the joint of the liner tube and the base tube is kept attached, and meanwhile, the first pressing roller, the driving roller and the second pressing roller cool the welded liner tube and the base tube.
Description
Technical Field
The invention relates to the technical field of welding devices, in particular to a metal pipeline welding device.
Background
With the development of science and technology, the modern electrician and electronics industry has put higher demands on the performance of new materials. The performance of a single material may not meet the needs of certain special conditions or extreme environments. The demanding engineering requirements have prompted the continuous pursuit of high performance materials, which are continually being researched and developed. Composite materials are considered to be the most effective materials for improving the comprehensive performance and excavating the performance potential of component materials. Currently, rolling composite technology is one of the important technologies for large-scale preparation of metal composite plates, which are widely used. The rolling compounding method can be used for the same metal and also can be used for heterogeneous metals.
The Chinese patent with the publication number of CN109014764A discloses an automatic pipeline welding device which comprises a complete machine support, a power mechanism, a clamping mechanism, a pushing mechanism and a spot welding mechanism, wherein the two clamping mechanisms are connected with the power mechanism through belt transmission, the pushing mechanism is rotationally connected to the complete machine support, the pushing mechanism is connected with the power mechanism through belt transmission, the spot welding mechanism is slidingly connected to the complete machine support, and the upper end of the spot welding mechanism is in contact with the pushing mechanism; the power mechanism provides power for the clamping mechanism and the pushing mechanism at the same time, and the clamping mechanism can clamp pipes with different diameters; the pushing mechanism is provided with a pushing cam which can push the spot welding mechanism to reciprocate up and down so as to spot weld the joint of the two pipes; the pushing cam is a conical cam, and can adapt to pipes with different sizes by manually rotating the adjusting handle and changing the distance of the pushing cam pushing the spot welding mechanism to reciprocate through the adjusting handle.
However, the related art has the defect that when the liner tube is welded in the base pipe, the liner tube may generate gaps with the liner tube due to wrinkles, so that the joint of the liner tube and the base pipe cannot be kept in fit, and the welding effect of the welding position of the base pipe and the liner tube is poor; and the base pipe and the liner pipe are cooled in a natural cooling and static mode after being welded, and the cooling speed is low.
Disclosure of Invention
The invention provides a metal pipeline welding device, which aims to solve the problems that the joint of a liner pipe and a base pipe cannot be kept attached and the cooling efficiency is low after the welding of the base pipe and the liner pipe in the related art.
The metal pipe welding device of the present invention comprises:
the vehicle comprises a vehicle frame, wherein a support is arranged on the vehicle frame;
the pipeline supporting mechanism is arranged on the support and used for supporting the welded pipeline;
the pipeline welding mechanism is arranged on the support and is used for welding a pipeline, the pipeline welding mechanism comprises a swivel base and a second driving mechanism, the swivel base is rotatably arranged on the support, the second driving mechanism is arranged on the swivel base and the support and is used for driving the swivel base to rotate, a telescopic bracket is arranged on the swivel base, a supporting and pressing assembly and a welding gun are arranged on the telescopic bracket, the supporting and pressing assembly is used for pressing a base pipe and a liner pipe, and the welding gun can be used for welding the base pipe and the liner pipe;
the supporting and pressing assembly comprises a bearing plate arranged on the telescopic bracket, a heat radiating device and a bracket group are arranged on the bearing plate, a press roller group is arranged on the bracket group, and a water pipe group is connected to the press roller group; the compression roller group comprises a first compression roller, a driving roller and a second compression roller, the first compression roller, the driving roller and the second compression roller are of hollow structures, the first compression roller, the driving roller and the middle parts of two bottom surfaces of the second compression roller are respectively connected with a branch pipe through sealing bearings in a rotating mode, six branch pipes are respectively fixedly arranged on the support group, a cooling liquid driving mechanism is arranged in the driving roller, the cooling liquid driving mechanism is communicated with two branch pipes on the driving roller, a closed-loop communication channel is formed between the first compression roller, the water pipe group, the cooling liquid driving mechanism and the second compression roller, and cooling liquid is filled in the closed-loop communication channel.
Preferably, the loading board slides and sets up on the telescopic bracket, still includes positioner, positioner is including fixed setting second elastic component and the elasticity card strip on the loading board, the one end fixedly connected with ejector pin of loading board is kept away from to the second elastic component, the bottom fixedly connected with of ejector pin runs through the movable strip of loading board, one side of movable strip is provided with the second rack, the tooth meshing of second rack has the fourth gear, the tooth meshing of fourth gear has the third rack, the fixed setting of third rack is in on the telescopic bracket, the movable strip go up seted up with the ratchet that the elasticity card strip corresponds.
Preferably, the pipeline supporting mechanism comprises a chuck fixedly arranged on the support, three guide grooves are formed in the chuck, the guide grooves are evenly distributed along the circumferential direction of the chuck, the inner walls of the guide grooves are all in single-degree-of-freedom sliding connection with a top plate, a first driving mechanism is arranged on the chuck and is used for driving the top plates to slide along the guide grooves respectively, so that the top plates are close to or far away from each other, the top plates are far away from each other and can be in butt joint with the inner wall of the liner tube, and an upper top strip is fixedly connected to each top plate.
Preferably, the first driving mechanism comprises a first gear which is rotatably arranged on the chuck through a bearing, three first racks are meshed with teeth of the first gear, a driving slide block and two driven slide blocks are fixedly connected to the first racks respectively, the driving slide block and the driven slide blocks are all in sliding connection with the inner wall of the chuck, threaded holes are formed in the driving slide blocks, threaded rods are connected with the inner wall of the threaded holes in the driving slide blocks through the threaded rods, the threaded rods are rotatably arranged on the chuck through the bearings, guide holes are formed in the driven slide blocks, sliding rods are slidably connected to the inner walls of the guide holes in the driven slide blocks respectively, the sliding rods are fixedly connected to the chuck, the driving slide blocks and the driven slide blocks are uniformly distributed in the circumferential direction of the chuck, inclined grooves are formed in the driving slide blocks and the driven slide blocks respectively, protrusions are arranged on the three top plates respectively, and the driving slide blocks and the driven slide blocks are slidably connected with the inclined grooves in the driving slide blocks and the driven slide blocks respectively, and the driven slide blocks can be driven by the driving slide blocks and the driven slide blocks respectively.
Preferably, the telescopic bracket comprises an inner slide plate fixedly connected to the swivel base, an outer slide sleeve is connected to the outer surface of the inner slide plate in a single-degree-of-freedom sliding manner, a screw hole is formed in the outer slide sleeve, a fastening screw is connected to the screw hole in the outer slide sleeve in a threaded manner, the fastening screw rotates to abut against the inner slide plate in the outer slide sleeve, a first support plate is arranged on the outer surface of the outer slide sleeve, the welding gun and the propping assembly are arranged on the first support plate, a limiting protrusion corresponding to the upper jacking strip is further arranged on the first support plate, and the upper jacking strip can move by pushing the limiting protrusion to drive the outer slide sleeve to move.
Preferably, the second driving mechanism comprises a rotation driving device fixedly arranged on the support, the output end of the rotation driving device is connected with a second gear, teeth of the second gear are meshed with a first toothed ring, and the first toothed ring is fixedly arranged on the swivel base.
Preferably, the heat dissipating device comprises a frame body, a heat dissipating fin is welded on the frame body, a heat dissipating tube is welded on the heat dissipating fin, the heat dissipating tube is arranged in a serpentine shape on the heat dissipating fin, a fan is fixedly installed on the frame body so as to blow the heat dissipating fin, and heat on the heat dissipating tube can be transferred to the heat dissipating fin.
Preferably, the bracket group comprises six brackets, each bracket comprises a guide rod fixedly connected to the bearing plate, the outer surface of the guide rod is connected with a guide sleeve in a sliding manner, and a first elastic piece is arranged between the guide sleeve and the bearing plate.
Preferably, the water pipe group comprises a first water pipe, a second water pipe, a third water pipe and a fourth water pipe, one end of the first water pipe is communicated with one end of a radiating pipe, and the other end of the first water pipe is communicated with one branch pipe on the first compression roller; one end of the second water pipe is communicated with the other branch pipe on the first compression roller, and the other end of the second water pipe is communicated with one branch pipe on the driving roller; one end of the third water pipe is communicated with the other branch pipe on the driving roller, and the other end of the third water pipe is communicated with one branch pipe on the second compression roller; one end of the fourth water pipe is communicated with the other branch pipe on the second compression roller, and the other end of the fourth water pipe is communicated with the other end of the radiating pipe, so that the first water pipe, the first compression roller, the second water pipe, the cooling liquid driving mechanism, the third water pipe, the second compression roller and the fourth water pipe form a communication channel for cooling liquid to flow.
Preferably, the cooling liquid driving mechanism comprises a second toothed ring fixedly connected to the inner wall of the driving roller, a third gear is meshed with teeth of the second toothed ring, a third toothed ring is meshed with teeth of the third gear, the third toothed ring is rotationally connected to the outer surfaces of two branch pipes on the driving roller through a sealing bearing, so that the two branch pipes on the driving roller and the third toothed ring form a communication channel, an impeller is fixedly connected to the inner wall of the third toothed ring, the impeller is located in a gap between the two branch pipes on the driving roller, and the impeller can drive cooling liquid in the branch pipes to flow through rotation.
The beneficial effects of the invention are as follows:
when the welding device is used, a liner tube to be welded is sleeved into a base pipe, the liner tube is placed on a pipeline supporting mechanism to be supported, a welding gun is controlled to move with a supporting and pressing assembly, the supporting and pressing assembly is abutted against the inner side of the liner tube, the liner tube is kept in fit with the base pipe, a second driving mechanism is started to drive a rotary seat to rotate, the rotary seat rotates to drive a telescopic bracket to synchronously rotate, the telescopic bracket rotates to drive the supporting and pressing assembly and the welding gun to rotate, the welding gun can weld the joint of the liner tube and the base pipe, meanwhile, a first press roll, a driving roll and a second press roll on the supporting and pressing assembly roll with the inner side of the liner tube, the first press roll, the driving roll and the second press roll are abutted against welding positions to prevent the liner tube from wrinkling, the joint of the liner tube and the base pipe is kept in fit with each other, the welding effect is improved, a water pipe set, a cooling liquid driving mechanism drives cooling liquid in the communication channel to flow through the cooling liquid driving mechanism, and the cooling liquid flows through the supporting and pressing assembly to cool the liner tube and the base pipe after welding, and the cooling efficiency of the liner tube is improved.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a frame according to a first embodiment of the present invention.
Fig. 3 is a schematic view of the structure of the holder, chuck and pipe welding mechanism according to the first embodiment of the present invention.
Fig. 4 is a schematic view of the structure of the chuck, the top plate and the upper top bar according to the first embodiment of the present invention.
Fig. 5 is a schematic structural view of a chuck and a first driving mechanism according to a first embodiment of the present invention.
Fig. 6 is an exploded view of the chuck, top plate and first drive mechanism of the first embodiment of the invention.
Fig. 7 is a schematic structural view of a pipe welding mechanism according to a first embodiment of the present invention.
Fig. 8 is a schematic structural view of a telescopic bracket according to a first embodiment of the present invention.
Fig. 9 is a cross-sectional view of a telescopic bracket according to a first embodiment of the present invention.
Fig. 10 is a schematic structural view of a bracing assembly according to a first embodiment of the present invention.
Fig. 11 is a schematic structural view of a heat dissipating device according to a first embodiment of the present invention.
Fig. 12 is a schematic structural view of a stent assembly according to a first embodiment of the present invention.
Fig. 13 is a schematic structural view of a roll stack and a water tube stack according to the first embodiment of the present invention.
Fig. 14 is a sectional view of a roll stack and a water tube stack according to a first embodiment of the present invention.
Fig. 15 is a schematic structural view of a coolant driving mechanism in the first embodiment of the invention.
Fig. 16 is a schematic structural view of a second embodiment of the present invention.
Fig. 17 is a cross-sectional view of a positioning device of a second embodiment of the present invention.
Reference numerals:
10. a frame; 11. a sweep; 12. a moving wheel; 13. pushing hands; 14. a lifting member; 141. a scissor jack; 142. a support block; 15. a support; 151. a protruding shaft; 20. a pipe support mechanism; 21. a chuck; 211. a guide groove; 22. a top plate; 23. a first driving mechanism; 231. a first gear; 232. a first rack; 233. a driving slide block; 234. a driven slide block; 235. a screw; 236. a slide bar; 24. top strip; 30. a pipeline welding mechanism; 31. rotating base; 32. a second driving mechanism; 321. a rotation driving device; 322. a second gear; 323. a first toothed ring; 33. a telescopic bracket; 331. an inner slide plate; 332. an outer sleeve; 333. a fastening screw; 334. a first support plate; 335. limiting the protrusion; 34. a bracing assembly; 341. a carrying plate; 342. a heat sink; 3421. a frame body; 3422. radiating fins; 3423. a heat radiating pipe; 3424. a blower; 343. a bracket group; 3431. a guide rod; 3432. guide sleeve; 3433. a first elastic member; 344. a press roll set; 3441. a first press roller; 3442. a driving roller; 3443. a second press roller; 3444. a branch pipe; 3445. a cooling liquid driving mechanism; 34451. a second toothed ring; 34452. a third gear; 34453. a third toothed ring; 34454. an impeller; 345. a water pipe group; 3451. a first water pipe; 3452. a second water pipe; 3453. a third water pipe; 3454. a fourth water pipe; 35. a welding gun; 40. a positioning device; 41. a second elastic member; 42. a push rod; 43. moving the bar; 44. a second rack; 45. a fourth gear; 46. a third rack; 47. an elastic clamping strip; 48. a ratchet.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Referring to fig. 1 to 15, a first embodiment of a metal pipe welding apparatus according to the present invention includes a frame 10, a support 15 provided on the frame 10, and a pipe support mechanism 20 and a pipe welding mechanism 30 provided on the support 15, the pipe support mechanism 20 for supporting a welding liner, and the pipe welding mechanism 30 for welding the welding liner and a base pipe.
Referring to fig. 1 and 2, the frame 10 includes a deck 11, moving wheels 12 are provided at four corners of a lower surface of the deck 11, the metal pipe welding device can be conveniently moved by the moving wheels 12, convenience of use is improved, a push handle 13 is welded at one side of an upper surface of the deck 11, the frame 10 can be pushed to move by the push handle 13, a lifting member 14 is mounted on the upper surface of the deck 11, a support 15 is movably and rotatably connected to the lifting member 14, and the lifting member 14 can be lifted to adjust the height of the support 15; the lifting member 14 includes two scissor jacks 141, the two scissor jacks 141 are respectively disposed on two sides of the upper surface of the vehicle plate 11, the movable ends of the two scissor jacks 141 are welded with supporting blocks 142, holes are formed in the two supporting blocks 142, two protruding shafts 151 are disposed on the support 15, and the two protruding shafts 151 are respectively connected with the holes formed in the two supporting blocks 142 in a rotating manner through bearings.
As shown in fig. 1, 3 to 6, the pipe supporting mechanism 20 includes a chuck 21 fixedly disposed on the support 15, the chuck 21 is disc-shaped, three guide grooves 211 are formed in the chuck 21, the three guide grooves 211 are uniformly distributed along the circumferential direction of the chuck 21, the inner walls of the three guide grooves 211 are slidably connected with top plates 22 in a single degree of freedom, a first driving mechanism 23 is disposed on the chuck 21 and is used for driving the three top plates 22 to slide along the three guide grooves 211 respectively, so that the three top plates 22 are close to or far away from each other, the three top plates 22 are far away from each other and can be abutted against the inner wall of the liner pipe, so that the liner pipe is supported and fixed, and an upper top bar 24 is fixedly connected to each top plate 22.
With continued reference to fig. 5 and 6, the first driving mechanism 23 includes a first gear 231 rotatably disposed on the chuck 21 through a bearing, three first racks 232 are engaged with teeth of the first gear 231, a driving slide 233 and two driven slides 234 are fixedly connected to the three first racks 232 respectively, the driving slide 233 and the two driven slides 234 are slidably connected to inner walls of the chuck 21, so as to prevent the driving slide 233 and the two driven slides 234 from rotating, a threaded hole is formed in the driving slide 233, a screw 235 is screwed to the inner walls of the threaded hole in the driving slide 233, the screw 235 is rotatably disposed on the chuck 21 through the bearing, guide holes are formed in the two driven slides 234, slide bars 236 are slidably connected to the inner walls of the two driven slides 234, the two slide bars 236 are fixedly connected to the chuck 21, inclined grooves are formed in the driving slide 233 and the two driven slides 234 respectively, protrusions which are slidably connected to the inclined grooves in the driving slide 233 and the two driven slides 234 respectively are formed in the three top plates 22, so that when the driving slide 233 and the two driven slides 234 are moved close to each other, the two top plates 22 can be driven by the two driven slides 234 or the three top plates 22.
As shown in fig. 7 to 15, the pipe welding mechanism 30 includes a swivel mount 31 and a second driving mechanism 32, the swivel mount 31 is rotatably connected to the support 15 through a bearing, the second driving mechanism 32 is disposed on the swivel mount 31 and the support 15 for driving the swivel mount 31 to rotate, three telescopic brackets 33 are fixedly connected to the swivel mount 31, the three telescopic brackets 33 are uniformly distributed along the circumferential direction of the swivel mount 31, a bracing assembly 34 is disposed on each telescopic bracket 33 for pressing the liner pipe, a welding gun 35 is disposed on one of the telescopic brackets 33, a welding machine is connected to the welding gun 35, and the welding machine is fixedly mounted on the frame 10.
With continued reference to fig. 7, the second driving mechanism 32 includes a rotation driving device 321 fixedly installed on the support 15, the rotation driving device 321 includes a motor and a speed reducer, an output end of the motor is fixedly connected to an input end of the speed reducer, an output end of the speed reducer is fixedly connected with a second gear 322, teeth of the second gear 322 are meshed with a first toothed ring 323, the first toothed ring 323 is fixedly connected to the swivel base 31, the motor on the rotation driving device 321 is started to drive the second gear 322 to rotate through the speed reducer, the second gear 322 rotates to drive the first toothed ring 323 to rotate, and the rotation of the first toothed ring 323 can drive the swivel base 31 to rotate, so that the driving of the swivel base 31 is achieved.
With continued reference to fig. 8 and 9, the telescopic bracket 33 includes an inner slide 331 fixedly connected to the swivel mount 31, the outer surface of the inner slide 331 is slidably connected with an outer slide 332 in a single degree of freedom, a screw hole is formed in the outer slide 332, a fastening screw 333 is screwed in the screw hole of the outer slide 332, the inner slide 331 in the outer slide 332 can be abutted by rotation of the fastening screw 333, so that the outer slide 332 is clamped on the inner slide 331, a position fixing function of the outer slide 332 is achieved, a first support plate 334 is welded on the outer surface of the outer slide 332, the welding gun 35 and the bracing component 34 are both arranged on the first support plate 334, a limiting protrusion 335 corresponding to the upper top bar 24 is further arranged on the first support plate 334, the upper top bar 24 can be driven to synchronously move by pushing the limiting protrusion 335, the outer slide 332 is driven to slide along the outer surface of the inner slide 331, and further the welding gun 35 and the bracing component 34 are driven to synchronously move, so that the bracing component 34 is contacted with the inner wall of the liner, and the welding gun 35 is simultaneously arranged at the position of the welding liner.
Referring to fig. 8, 10 to 15, the bracing assembly 34 includes a bearing plate 341 fixedly connected to the first support plate 334, a heat dissipating device 342 and a support group 343 are disposed on the bearing plate 341, a compression roller group 344 is fixedly connected to the support group 343, a water pipe group 345 is connected to the compression roller group 344, the heat dissipating device 342 includes a frame body 3421, a heat dissipating fin 3422 is welded to the frame body 3421, a heat dissipating tube 3423 is welded to the heat dissipating fin 3422, the heat dissipating tube 3423 is arranged in a serpentine shape on the heat dissipating fin 3422, the heat dissipating tube 3423 and the heat dissipating fin 3422 are made of copper or aluminum, a fan 3424 is fixedly mounted on the frame body 3421 to blow air to the heat dissipating fin 3422, heat on the heat dissipating tube 3423 can be transferred to the heat dissipating fin 3422, and the air can be blown by the fan 3424 to the heat dissipating fin 3422.
With continued reference to fig. 10 and 12, the bracket set 343 includes six brackets, each including a guide rod 3431 fixedly connected to the bearing plate 341, a guide sleeve 3432 slidably connected to an outer surface of the guide rod 3431, and a first elastic member 3433 disposed between the guide sleeve 3432 and the bearing plate 341, where in this embodiment, the first elastic member 3433 is a spring.
Referring to fig. 10, 13 and 14, the press roller set 344 includes a first press roller 3441, a driving roller 3442 and a second press roller 3443, the first press roller 3441, the driving roller 3442 and the second press roller 3443 are all hollow structures, the middle parts of two bottom surfaces of the first press roller 3441, the driving roller 3442 and the second press roller 3443 are all connected with a branch pipe 3444 through sealed bearings in a rotating way, the six branch pipes 3444 are respectively fixed on guide sleeves 3432 on the six brackets, a cooling liquid driving mechanism 3445 is arranged in the driving roller 3442, and the cooling liquid driving mechanism 3445 is communicated with the two branch pipes 3444 on the driving roller 3442.
The water pipe group 345 comprises a first water pipe 3451, a second water pipe 3452, a third water pipe 3453 and a fourth water pipe 3454, wherein the first water pipe 3451, the second water pipe 3452, the third water pipe 3453 and the fourth water pipe 3454 are all flexible pipes, the materials of the flexible pipes are plastics or rubber, one end of the first water pipe 3451 is communicated with one end of a radiating pipe 3423, and the other end of the first water pipe 3451 is communicated with a branch pipe 3444 on a first compression roller 3441; one end of the second water pipe 3452 is communicated with the other branch pipe 3444 on the first compression roller 3441, and the other end of the second water pipe 3452 is communicated with one branch pipe 3444 on the driving roller 3442; one end of the third water pipe 3453 is communicated with the other branch pipe 3444 on the driving roller 3442, and the other end of the third water pipe 3453 is communicated with one branch pipe 3444 on the second pressing roller 3443; one end of the fourth water pipe 3454 is communicated with the other branch pipe 3444 on the second compression roller 3443, and the other end of the fourth water pipe 3454 is communicated with the other end of the radiating pipe 3423; in this way, the first water pipe 3451, the first pressure roller 3441, the second water pipe 3452, the cooling liquid driving mechanism 3445 in the driving roller 3442, the third water pipe 3453, the second pressure roller 3443, the fourth water pipe 3454, and the heat dissipation pipe 3423 form a closed-loop communication passage for the flow of the cooling liquid.
Referring to fig. 14 and 15, the cooling liquid driving mechanism 3445 includes a second toothed ring 34451 fixedly connected to an inner wall of the driving roller 3442, a third gear 34452 is engaged with teeth of the second toothed ring 34451, a third toothed ring 34453 is engaged with teeth of the third gear 34452, the third toothed ring 34453 is rotatably connected to outer surfaces of two branch pipes 3444 on the driving roller 3442 through a sealed bearing, a gap between the two branch pipes 3444 on the driving roller 3442 is simultaneously blocked, so that the two branch pipes 3444 on the driving roller 3442 are communicated with the third toothed ring 34453, an impeller 34454 is fixedly connected to an inner wall of the third toothed ring 34453, and an impeller 34454 is positioned in a gap between the two branch pipes 3444 on the driving roller 3442.
When the welding device is used, a liner tube to be welded is sleeved into a base pipe, the liner tube is placed outside three top plates 22, the first driving mechanism 23 is driven to drive the three top plates 22 to move away from each other until the three top plates 22 are in butt joint with the liner tube, the three top plates 22 are simultaneously driven to move to drive the upper top strip 24 to move, the first support plate 334 is driven to move synchronously by pushing the limiting protrusion 335, the first support plate 334 is driven to move synchronously by pushing the welding gun 35 and the supporting and pressing assembly 34, the supporting and pressing assembly 34 is also in butt joint with the inner side of the liner tube, at the moment, the liner tube is pressed and kept in fit with the base pipe, then the second driving mechanism 32 is started to drive the swivel seat 31 to rotate, the swivel seat 31 is driven to synchronously rotate the telescopic bracket 33, the telescopic bracket 33 is driven to rotate the supporting and pressing assembly 34 and the welding gun 35, the welding gun 35 is started to weld the joint of the liner tube and the base pipe, and simultaneously, the first pressing roller 3441, the driving roller 3442 and the second pressing roller 3443 on the supporting and pressing assembly 34 roll with the inner side of the liner tube, and the welding effect of the welding and the welding effect of the liner tube are kept in fit;
meanwhile, the driving roller 3442 rotates to drive the second toothed ring 34451 to rotate, the second toothed ring 34451 rotates to drive the third toothed ring 34453 to rotate through the engagement of the second toothed ring 34451 and the third gear 34452, the third toothed ring 34453 rotates to drive the impeller 34454 to rotate, the impeller 34454 rotates to drive the cooling liquid in the branch pipe 3444 to flow, so that the cooling liquid in the communication channel is formed by the first water pipe 3451, the first compression roller 3441, the second water pipe 3452, the third toothed ring 34453, the third water pipe 3453, the second compression roller 3443 and the fourth water pipe 3454, and as the welding gun 35 welds the liner pipe and the base pipe, the first compression roller 3441 and the second compression roller 3443 abut against the welded position of the pipeline, the first compression roller 3441 and the second compression roller 3443 cool the welded position first, and heat of the cooling liquid is absorbed into the cooling liquid in the second compression roller 3443 through the second compression roller 3443, and the aim of quickly cooling the welded liner pipe and the base pipe is achieved.
In the first embodiment, the first pressing roller 3441 and the second pressing roller 3443 are required to be opposite to the welding position of the base pipe and the liner pipe, when the welding position is manually aligned, the liner pipe is blocked to the sight of eyes, so that the position, to be welded, of the first pressing roller 3441 and the second pressing roller 3443, corresponding to the liner pipe is easily misplaced, and in order to overcome the problem that the position, to be welded, of the first pressing roller 3441 and the second pressing roller 3443, corresponding to the liner pipe is easily misplaced, a second embodiment is proposed for optimization;
fig. 16 and 17 are second embodiment of the present invention, which is different from the first embodiment in that: the bearing plate 341 is slidably disposed on the first support plate 334, and the metal pipe welding apparatus further includes a positioning device 40.
The positioning device 40 comprises a second elastic piece 41 and an elastic clamping strip 47 which are fixedly arranged on a bearing plate 341, the second elastic piece 41 is a spring, one end, away from the bearing plate 341, of the second elastic piece 41 is fixedly connected with a push rod 42, the distance from the push rod 42 to the middle of the first compression roller 3441 is equal to the distance from the edge of the liner tube to a welding seam of the liner tube, the bottom of the push rod 42 is fixedly connected with a movable strip 43 penetrating through the bearing plate 341, one side of the movable strip 43 is provided with a second rack 44, teeth of the second rack 44 are meshed with a fourth gear 45, the fourth gear 45 is rotatably arranged on the bearing plate 341 through a bearing, teeth of the fourth gear 45 are meshed with a third rack 46, the third rack 46 is fixedly arranged on a first support plate 334, ratchets 48 corresponding to the elastic clamping strip 47 are formed in the movable strip 43, and the elastic clamping strip 47 is an elastic steel sheet.
When the three top plates 22 are far away from each other in the liner tube, the ejector rods 42 firstly touch the inner wall of the liner tube to stop moving, the second elastic piece 41 deforms to store force along with the continuous movement of the top plates 22, the fourth gear 45 on the top plates 22 is meshed with the second rack 44 and rotates, at the moment, the elastic clamping strip 47 locks the teeth of the ratchet 48, the fourth gear 45 rotates to move along the third rack 46 through the meshing of the fourth gear 45 and the third rack 46, the fourth gear 45 moves along the third rack 46 to drive the bearing plate 341 to synchronously move until the ejector rods 42 are separated from the liner tube and move to the edge of the liner tube, at the moment, the ejector rods 42 are not stressed by the liner tube any more, the elastic clamping strip 47 locks the teeth of the ratchet 48 to prevent the moving strip 43 from moving reversely, and meanwhile, the first compression roller 3441 and the second compression roller 3443 are opposite to the position to be welded on the liner tube to achieve an automatic positioning function; when the reset is needed, the elastic clamping strip 47 is pulled to unlock the teeth of the ratchet 48, and the elastic force of the second elastic piece 41 is released to drive the ejector rod 42 to reset, so that the whole positioning device 40 is driven to reset.
In the description of the present invention, it is to be understood that:
the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. A metal pipe welding apparatus, comprising:
the vehicle comprises a vehicle frame, wherein a support is arranged on the vehicle frame;
the pipeline supporting mechanism is arranged on the support and used for supporting the welded pipeline;
the pipeline welding mechanism is arranged on the support and is used for welding a pipeline, the pipeline welding mechanism comprises a swivel base and a second driving mechanism, the swivel base is rotatably arranged on the support, the second driving mechanism is arranged on the swivel base and the support and is used for driving the swivel base to rotate, a telescopic bracket is arranged on the swivel base, a supporting and pressing assembly and a welding gun are arranged on the telescopic bracket, the supporting and pressing assembly is used for pressing a base pipe and a liner pipe, and the welding gun can be used for welding the base pipe and the liner pipe;
the supporting and pressing assembly comprises a bearing plate arranged on the telescopic bracket, a heat radiating device and a bracket group are arranged on the bearing plate, a press roller group is arranged on the bracket group, and a water pipe group is connected to the press roller group; the press roller group comprises a first press roller, a driving roller and a second press roller, the first press roller, the driving roller and the second press roller are hollow structures, the middle parts of the two bottom surfaces of the first press roller, the driving roller and the second press roller are respectively connected with a branch pipe through sealing bearings in a rotating way, six branch pipes are respectively fixedly arranged on the bracket group, a cooling liquid driving mechanism is arranged in the driving roller, the cooling liquid driving mechanism is communicated with the two branch pipes on the driving roller, a closed-loop communication channel is formed among the heat radiating device, the first compression roller, the water pipe group, the cooling liquid driving mechanism and the second compression roller, and cooling liquid is filled in the closed-loop communication channel;
the pipeline supporting mechanism comprises a chuck fixedly arranged on the support, three guide grooves are formed in the chuck, the three guide grooves are uniformly distributed along the circumferential direction of the chuck, the inner walls of the three guide grooves are all in single-degree-of-freedom sliding connection with top plates, a first driving mechanism is arranged on the chuck and is used for driving the three top plates to slide along the three guide grooves respectively so as to enable the three top plates to be close to or far away from each other, the three top plates are far away from each other and can be in butt joint with the inner walls of the liner tubes, and an upper top strip is fixedly connected to each top plate;
the telescopic bracket comprises an inner slide plate fixedly connected to the swivel base, an outer slide sleeve is connected to the outer surface of the inner slide plate in a single-degree-of-freedom sliding mode, a screw hole is formed in the outer slide sleeve, a fastening screw is connected to screw threads of the outer slide sleeve, the fastening screw rotates to abut against the inner slide plate in the outer slide sleeve, a first support plate is arranged on the outer surface of the outer slide sleeve, a welding gun and a supporting and pressing assembly are arranged on the first support plate, limiting protrusions corresponding to the upper top strips are further arranged on the first support plate, and the upper top strips can move through pushing the limiting protrusions to drive the outer slide sleeve to move.
2. The metal pipeline welding device according to claim 1, wherein the bearing plate is slidably arranged on the telescopic bracket, the metal pipeline welding device further comprises a positioning device, the positioning device comprises a second elastic piece and an elastic clamping strip which are fixedly arranged on the bearing plate, one end of the second elastic piece, which is far away from the bearing plate, is fixedly connected with a push rod, the bottom of the push rod is fixedly connected with a moving strip penetrating through the bearing plate, one side of the moving strip is provided with a second rack, teeth of the second rack are meshed with a fourth gear, teeth of the fourth gear are meshed with a third rack, the third rack is fixedly arranged on the telescopic bracket, and ratchet teeth corresponding to the elastic clamping strip are formed on the moving strip.
3. The metal pipeline welding device according to claim 1, wherein the first driving mechanism comprises a first gear which is rotatably arranged on the chuck through a bearing, three first racks are meshed with teeth of the first gear, a driving slide block and two driven slide blocks are fixedly connected to the first racks respectively, the driving slide block and the two driven slide blocks are slidably connected with the inner wall of the chuck, a threaded hole is formed in the driving slide block, a screw is connected with the inner wall of the threaded hole in the driving slide block through a threaded rod, the screw is rotatably arranged on the chuck through a bearing, guide holes are formed in the two driven slide blocks, slide bars are slidably connected to the inner walls of the guide holes in the two driven slide blocks, the driving slide block and the two driven slide blocks are uniformly distributed along the circumferential direction of the chuck, inclined grooves are formed in the driving slide block and the two driven slide blocks, protrusions are formed in the three top plates respectively, and the driving slide blocks and the two driven slide blocks are slidably connected with the driving slide blocks and the two inclined grooves when the driving slide blocks and the two driven slide blocks are respectively.
4. The metal pipe welding device according to claim 1, wherein the second driving mechanism comprises a rotation driving device fixedly arranged on the support, an output end of the rotation driving device is connected with a second gear, teeth of the second gear are meshed with a first toothed ring, and the first toothed ring is fixedly arranged on the swivel base.
5. The metal pipe welding device according to claim 1, wherein the heat dissipating device comprises a frame body, heat dissipating fins are welded on the frame body, heat dissipating pipes are welded on the heat dissipating fins, the heat dissipating pipes are arranged in a serpentine shape on the heat dissipating fins, a fan is fixedly installed on the frame body to blow the heat dissipating fins, and heat on the heat dissipating pipes can be transferred to the heat dissipating fins.
6. The metal pipe welding device according to claim 1, wherein the bracket group comprises six brackets, each bracket comprises a guide rod fixedly connected to the bearing plate, a guide sleeve is slidably connected to the outer surface of the guide rod, and a first elastic piece is arranged between the guide sleeve and the bearing plate.
7. The metal pipe welding apparatus according to claim 5, wherein the water pipe group includes a first water pipe, a second water pipe, a third water pipe and a fourth water pipe, one end of the first water pipe is communicated with one end of a radiating pipe, and the other end of the first water pipe is communicated with one of the branch pipes on the first press roll; one end of the second water pipe is communicated with the other branch pipe on the first compression roller, and the other end of the second water pipe is communicated with one branch pipe on the driving roller; one end of the third water pipe is communicated with the other branch pipe on the driving roller, and the other end of the third water pipe is communicated with one branch pipe on the second compression roller; one end of the fourth water pipe is communicated with the other branch pipe on the second compression roller, and the other end of the fourth water pipe is communicated with the other end of the radiating pipe, so that the first water pipe, the first compression roller, the second water pipe, the cooling liquid driving mechanism, the third water pipe, the second compression roller and the fourth water pipe form a communication channel for cooling liquid to flow.
8. The metal pipe welding device according to claim 1, wherein the cooling liquid driving mechanism comprises a second toothed ring fixedly connected to the inner wall of the driving roller, a third gear is meshed with teeth of the second toothed ring, a third toothed ring is meshed with teeth of the third gear, the third toothed ring is rotatably connected to the outer surfaces of two branch pipes on the driving roller through a sealing bearing, so that a communication channel is formed between the two branch pipes on the driving roller and the third toothed ring, an impeller is fixedly connected to the inner wall of the third toothed ring, the impeller is located in a gap between the two branch pipes on the driving roller, and the impeller can rotate to drive cooling liquid in the branch pipes to flow.
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| CN202310876298.1A CN116586894B (en) | 2023-07-18 | 2023-07-18 | Metal pipeline welding device |
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| CN202310876298.1A CN116586894B (en) | 2023-07-18 | 2023-07-18 | Metal pipeline welding device |
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| CN113941717A (en) * | 2021-11-12 | 2022-01-18 | 邯郸市固峰紧固件制造有限公司 | Large-scale nut end face cutting machining device |
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| US9168613B2 (en) * | 2010-10-22 | 2015-10-27 | Paul T. Colby | Vertical laser cladding system |
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| CN104708264A (en) * | 2015-02-06 | 2015-06-17 | 中国运载火箭技术研究院 | Circular seam internal supporting device of storage tank cylinder section |
| CN104722911A (en) * | 2015-02-28 | 2015-06-24 | 江苏科技大学 | Stirring friction welding device and method for track supporting pipeline to be welded |
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