CN118237840B - Plastic-coated composite steel pipe processing welding equipment - Google Patents
Plastic-coated composite steel pipe processing welding equipment Download PDFInfo
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- CN118237840B CN118237840B CN202410622886.7A CN202410622886A CN118237840B CN 118237840 B CN118237840 B CN 118237840B CN 202410622886 A CN202410622886 A CN 202410622886A CN 118237840 B CN118237840 B CN 118237840B
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- steel pipe
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- 238000003466 welding Methods 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 14
- 238000003754 machining Methods 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 13
- 230000001427 coherent effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- 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
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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 composite steel pipe machining, in particular to plastic-coated composite steel pipe machining welding equipment which comprises a bottom plate, wherein an arch frame is fixedly connected to the upper side of the bottom plate, mounting plates positioned in the arch frame are symmetrically and fixedly connected to the front and back of the middle part of the upper side of the bottom plate, and a pipe locking mechanism for locking the outer support of a pipe body of a composite steel pipe is arranged on the mounting plates. According to the pipe locking mechanism, the pipe body can be clamped synchronously through the first synchronous adjusting component, the pre-tightening unit is used for supporting in advance, the U-shaped shifting frame is used for pushing the two ends of the pipe body synchronously through the operation control of the centering component, automatic centering and locking of the pipe body of the composite steel pipe are sequentially completed, the pre-tightening unit is used for elastic supporting, smooth sliding of the pipe body of the composite steel pipe can be guaranteed, the problem that the pipe body of the composite steel pipe is scratched in the centering process is effectively avoided, and the production quality of the composite steel pipe is guaranteed.
Description
Technical Field
The invention relates to the technical field of composite steel pipe machining, in particular to plastic-coated composite steel pipe machining welding equipment.
Background
The plastic-coated composite steel pipe takes a steel pipe as a matrix, and a plastic anti-corrosion layer is welded on the inner surface of the steel pipe or welded on the inner surface and the outer surface of the steel pipe through spraying, rolling, soaking and sucking processes, has excellent corrosion resistance and smaller friction resistance, and is widely applied to the fields of conveying media such as water supply and drainage, seawater, warm water, oil, gas and the like. The two ends of the plastic coated composite steel pipe typically require welding flanges to connect the piping or equipment.
The existing flange welding mode of the plastic-coated composite steel pipe is to assemble and weld by means of a plurality of auxiliary tools, on one hand, the manual welding needs to perform spot welding positioning on the flange in advance and then ring welding, and the assembly of the flange and the pipe body part is completed by means of manpower, so that the manual assembly cannot be completed in one step, the flange and the pipe body part can be accurately butted by a plurality of times of verification, the butting efficiency is relatively slow, and meanwhile, the process can be completed only by assistance of a plurality of people, and the labor is relatively wasted; on the other hand, the flanges and the pipe body are required to be supported by means of the tools in the welding process, a series of tools are required to be manually operated and locked on site, the operation process is complex, the convenience is low, two groups of flanges are required to be welded on one steel pipe, the prior art can only weld one group each time, the other group is welded repeatedly, and all operation processes of the former group are required to be repeated when the other group is welded, so that the forming period of a single plastic-coated composite steel pipe is increased, and the delivery efficiency of the plastic-coated composite steel pipe and the production benefit of a processing factory are easily influenced.
Disclosure of Invention
The technical problems to be solved are as follows: the invention provides a plastic-coated composite steel pipe processing and welding device which can solve the problems.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the plastic-coated composite steel tube processing and welding equipment comprises a bottom plate, wherein an arch is fixedly connected to the upper side of the bottom plate, a top frame is fixedly connected to the middle part of the upper side of the arch, mounting plates positioned in the arch are symmetrically and fixedly connected to the front and back of the middle part of the upper side of the bottom plate, a tube locking mechanism for locking the tube body of the composite steel tube in an external supporting manner is arranged on the mounting plates, symmetrical movable plates are movably arranged on the upper side of the bottom plate, the mounting plates are positioned between the two movable plates, and flange clamping mechanisms for clamping flange parts at two ends of the composite steel tube are arranged on the movable plates.
The pipe locking mechanism comprises a rotary plate which is rotationally connected to the mounting plate, a plurality of movable seats are arranged on the inner annular wall of the rotary plate in a penetrating mode in a circumferential equidistant sliding mode, the outer ends of the movable seats are fixedly connected with abutting seats, a pre-tightening unit used for pre-tightening the pipe body is arranged on the abutting seats, a first synchronous adjusting assembly is arranged between the plurality of movable seats, and a centering assembly used for centering the pipe body of the composite steel pipe is arranged in the top frame.
The flange clamping mechanism comprises a mounting ring which is rotationally connected to the moving plate, the mounting ring coincides with the central axis of the turntable, a plurality of clamping seats are arranged on the mounting ring at equal intervals and close to the end face circumference of the corresponding mounting plate, a second coherent component which is used for synchronously controlling the clamping seats to move and clamp the flange at multiple points is jointly arranged between the clamping seats and the mounting ring, a butt joint component which is used for enabling the clamping seats to move synchronously and oppositely is arranged between the lower sides of the left moving plate and the right moving plate, and a welding component which is used for welding butt joints of the flange and the pipe body is arranged on the left side of the moving plate.
And a rotation driving mechanism for changing the welding point position is arranged between the two turntables and the two mounting rings.
As a preferable technical scheme of the invention, the rotation driving mechanism comprises a second gear ring, wherein the outer sides of the turntable and the mounting ring are fixedly connected, a third gear is connected to the lower side of the second gear ring in a meshed manner, sleeves are rotatably connected to the lower sides of the mounting plate and the moving plate, the center of the third gear ring fixedly penetrates through the corresponding sleeve, a through hole is formed in the center of the sleeve, an inner protruding strip is fixedly connected to the inner wall of the through hole, a shaft coupling is slidably connected between the through holes, a sliding groove is formed in the position, corresponding to the inner protruding strip, of the shaft coupling surface, the inner protruding strip is in sliding fit with the sliding groove, the shaft coupling is rotatably connected between front and rear vertical sections of the arch frame, the front end of the shaft coupling extends to the outside of the arch frame and is fixedly connected to the output end of a fourth motor, and the fourth motor is fixedly connected to the outer side wall of the arch frame.
As a preferable technical scheme of the invention, the pre-tightening unit comprises a plurality of mounting rods which are arranged in an array and slide through the retaining seats, hidden grooves are formed in the positions, close to the central axis of the turntable, of one side of the retaining seats corresponding to the mounting rods, one end, close to the central axis of the turntable, of each mounting rod is hinged with a rolling ball, one end, far away from the central axis of the turntable, of each mounting rod is fixedly connected with a first limiting piece, one section, close to the rolling ball, of each mounting rod is fixedly connected with a second limiting piece, close to the rolling ball, of each mounting rod, and a spring sleeved on each mounting rod is arranged between each second limiting piece and the hole bottom of each hidden groove.
As a preferable technical scheme of the invention, the first synchronous adjusting component comprises a connecting ring which is rotationally connected in the turntable, one side of the connecting ring is fixedly connected with a rotating ring plate, one side of the rotating ring plate, which is far away from the corresponding connecting ring, is fixedly connected with a vortex rail, the inner end of the moving seat is in meshed connection with the corresponding vortex rail, the connecting ring is fixedly connected with a first gear ring, the periphery of the first gear ring is in meshed connection with a first gear, the center of the first gear is fixedly connected with the output end of a second motor, and the second motor is fixedly connected with the outer wall of the turntable.
As a preferable technical scheme of the invention, the centering component comprises moving blocks which are symmetrically and movably arranged in the top frame in the front-back direction, a first electric push rod is fixedly connected to the moving blocks, the output end of the first electric push rod faces downwards and is fixedly connected with a U-shaped shifting frame, the turntables are all positioned between the U-shaped shifting frames, and a moving unit for controlling the opposite movement of the two moving blocks is arranged between the front-back moving blocks.
As a preferable technical scheme of the invention, the moving unit comprises a first guide rod fixedly connected between the front wall and the rear wall of the top frame, and a first bidirectional screw rod rotatably connected between the front wall and the rear wall of the top frame, the front moving block and the rear moving block are symmetrically and in threaded connection with the first bidirectional screw rod and are in sliding connection with the first guide rod, one end of the first bidirectional screw rod extends to the outside of the top frame and is fixedly connected with the output end of a first motor, and the first motor is fixedly connected with the outer wall of the top frame.
As a preferable technical scheme of the invention, the second coherent component comprises a plurality of U-shaped frame bodies which are in one-to-one correspondence with all clamping seats and are fixedly connected to the mounting ring, a second gear is rotationally connected in the U-shaped frame bodies, a support arm is fixedly connected to the second gear, one side of the second gear is connected with a rack in a meshed manner, a guide groove is formed in the rack, one side of the U-shaped frame body, which is far away from the mounting ring, is slidably connected with the guide groove, the clamping seats are fixedly connected to one side, which is far away from the second gear, of the corresponding rack, a fixing frame is fixedly connected to the inside of the mounting ring, a third electric push rod is fixedly connected to the center of the fixing frame, a connecting frame is fixedly connected to the output end of the third electric push rod, movable arms are hinged to the positions of the connecting frame, and one ends, which are far away from the connecting frame, of the movable arms are hinged to the corresponding support arms.
As a preferable technical scheme of the invention, the butt joint assembly comprises a second bidirectional screw rod rotatably connected between the front and rear vertical sections of the arch frame, and a second guide rod fixedly connected between the front and rear vertical sections of the arch frame, wherein the lower sides of the front and rear mounting plates are respectively provided with a through hole for the second bidirectional screw rod and the second guide rod to pass through, the front and rear moving plates are symmetrically and spirally connected on the second bidirectional screw rod and are in sliding connection with the second guide rod, one end of the second bidirectional screw rod extends to the outside of the arch frame and is fixedly connected with the output end of a third motor, and the third motor is fixedly connected with the outer wall of the arch frame.
As a preferable technical scheme of the invention, the welding assembly comprises a supporting rod which is fixedly connected to the left side of the movable plate and has the same height as the central axis of the mounting ring, the supporting rod extends towards the mounting plate and is fixedly connected with a second electric push rod, the output end of the second electric push rod faces the central axis of the mounting ring and is fixedly connected with a mounting block, a welding gun which faces the central axis of the mounting ring is fixedly connected with the mounting block, and the distance between the welding gun and the front and back directions of the mounting ring is larger than the distance between the clamping seat and the front and back directions of the mounting ring.
The beneficial effects are that: 1. according to the pipe locking mechanism, the pipe body can be clamped synchronously through the first synchronous adjusting component, the pre-tightening unit is used for supporting in advance, the U-shaped shifting frame is used for pushing the two ends of the pipe body synchronously through the operation control of the centering component, automatic centering and locking of the pipe body of the composite steel pipe are sequentially completed, the pre-tightening unit is used for elastic supporting, smooth sliding of the pipe body of the composite steel pipe can be guaranteed, the problem that the pipe body of the composite steel pipe is scratched in the centering process is effectively avoided, and the production quality of the composite steel pipe is guaranteed.
2. The flange clamping mechanism adopted by the invention can be used for respectively butt-jointing the flanges required by the composite steel pipe to the two ends of the pipe body at one time, and simultaneously can automatically complete the automatic locking of the flanges.
3. According to the driving mechanism, the flange can be clamped through the flange clamping mechanism, the pipe body is locked through the pipe locking mechanism, the driving mechanism synchronously drives the flange clamping mechanism and the pipe locking mechanism to rotate for one circle, so that the pipe body and the flange automatically rotate for one circle after the butt joint is finished, the requirement of annular welding is met, the integral welding of the pipe body and the flange is automatically finished, and the use is more convenient.
4. The pipe locking mechanism, the flange clamping mechanism and the rotation driving mechanism are matched for use, so that the automatic butt joint of the flange and the pipe body can be automatically realized, the butt joint efficiency is high, the use is time-saving and labor-saving, meanwhile, the automatic welding of the flanges at the two ends of the composite steel pipe can be synchronously finished, the welding production efficiency of the composite steel pipe is obviously improved, the production period is effectively shortened, the delivery efficiency is improved, the production benefit of a processing plant is increased, the welding point positions are automatically changed at a uniform speed, the girth welding integrity of the composite steel pipe is effectively ensured, and the welding quality is obviously improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of a first view of the present invention.
Fig. 2 is a schematic view of a second perspective cutaway perspective of the present invention.
Fig. 3 is a schematic view of a first perspective cutaway perspective of the present invention.
Fig. 4 is a schematic cross-sectional view of the connection of the sleeve, third gear and coupling of the present invention.
Fig. 5 is a schematic perspective view of the flange clamping mechanism of the present invention.
Fig. 6 is a schematic view of a first view cross-sectional structure of the interior of the turntable of the present invention.
Fig. 7 is a schematic cross-sectional view of the interior of the turntable according to the invention at a second view angle.
Fig. 8 is a schematic view showing a connection sectional structure of a pretensioning unit in a dolly of the present invention.
In the figure: 1. a bottom plate; 2. an arch frame; 3. a top frame; 4. a tube locking mechanism; 41. centering components; 411. a moving block; 412. a first electric push rod; 413. a U-shaped shifting frame; 414. a mobile unit; 4141. the first bidirectional screw rod; 4142. a first guide bar; 4143. a first motor; 42. a mounting plate; 43. a turntable; 44. a movable seat; 45. a base; 451. a pre-tightening unit; 4511. a first limiting piece; 4512. a spring; 4513. hiding the groove; 4514. the second limiting piece; 4515. a rolling ball; 4516. a mounting rod; 46. a first synchronous adjustment assembly; 461. a swivel plate; 462. a swirl rail; 463. a first ring gear; 464. a first gear; 465. a connecting ring; 466. a second motor; 5. a flange clamping mechanism; 51. a docking assembly; 511. a second bi-directional lead screw; 512. a second guide bar; 513. a third motor; 52. welding the assembly; 521. a support rod; 522. a second electric push rod; 523. a mounting block; 524. a welding gun; 53. a clamping seat; 54. a second coherent component; 541. a mounting ring; 542. a third electric push rod; 543. a fixing frame; 544. a movable arm; 545. a U-shaped frame; 546. a support arm; 547. a second gear; 548. a rack; 549. a guide groove; 5410. a connecting frame; 55. a moving plate; 6. a driving mechanism; 61. a second ring gear; 62. a third gear; 63. a fourth motor; 64. coupling shaft; 65. a sleeve; 651. an inner convex strip.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
Referring to fig. 1 and 3, a plastic-coated composite steel tube processing welding equipment comprises a base plate 1, wherein an arch 2 is fixedly connected to the upper side of the base plate 1, a top frame 3 is fixedly connected to the middle part of the upper side of the arch 2, a mounting plate 42 positioned in the arch 2 is fixedly connected to the middle part of the upper side of the base plate 1 in a front-back symmetrical manner, a tube locking mechanism 4 for locking the tube body of the composite steel tube in an outer supporting manner is arranged on the mounting plate 42, symmetrical movable plates 55 are movably arranged on the upper side of the base plate 1, the mounting plate 42 is positioned between the two movable plates 55, and a flange clamping mechanism 5 for clamping flange parts at two ends of the composite steel tube is arranged on the movable plates 55.
Referring to fig. 1,2, 6, 7 and 8, the pipe locking mechanism 4 includes a rotary table 43 rotatably connected to the mounting plate 42, a plurality of moving seats 44 are slidably mounted on an inner circumferential wall of the rotary table 43 at equal intervals and penetrating through the rotary table, outer ends of the moving seats 44 are fixedly connected with a retaining seat 45, a pre-tightening unit 451 for pre-tightening the pipe section is disposed on the retaining seat 45, a first alignment assembly 46 is disposed between the plurality of moving seats 44, and a centering assembly 41 for centering the pipe section of the composite steel pipe is disposed in the top frame 3.
Referring to fig. 1,2 and 5, the flange clamping mechanism 5 includes a mounting ring 541 rotatably connected to the moving plate 55, where the mounting ring 541 coincides with the central axis of the turntable 43, the mounting ring 541 is provided with a plurality of holders 53 near the circumference of the end face of the corresponding mounting plate 42, a second coherent assembly 54 for synchronously controlling the holders 53 to move and clamp the flange at multiple points is jointly provided between the holders 53 and the mounting ring 541, a butt joint assembly 51 for synchronously moving the holders in opposite directions is provided between the lower sides of the left and right moving plates 55, and a welding assembly 52 for welding the butt joint of the flange and the pipe body is provided on the left side of the moving plate 55.
Referring to fig. 1,2 and 5, a rotation mechanism 6 for changing the welding point is provided between the two rotary plates 43 and the two mounting rings 541.
Referring to fig. 1, 3, 4 and 5, the rotation driving mechanism 6 includes a rotary disc 43 and a second gear ring 61 fixedly connected to the outer side of the mounting ring 541, a third gear 62 is engaged and connected to the lower side of the second gear ring 61, a sleeve 65 is rotatably connected to the lower sides of the mounting plate 42 and the moving plate 55, the center of the third gear 62 fixedly passes through the corresponding sleeve 65, a through hole is formed in the center of the sleeve 65, an inner protruding strip 651 is fixedly connected to the inner wall of the through hole, a shaft coupling 64 is slidably connected between the through holes, a sliding groove is formed in the surface of the shaft coupling 64 corresponding to the position of the inner protruding strip 651, the inner protruding strip 651 is slidably matched with the sliding groove, the shaft coupling 64 is rotatably connected between front and rear vertical sections of the arch 2, the front end of the shaft coupling 64 extends to the outside of the arch 2 and is fixedly connected to the output end of the fourth motor 63, and the fourth motor 63 is fixedly connected to the outer side wall of the arch 2.
During specific work, the fourth motor 63 is used for controlling the shaft coupling 64 to rotate, the inner protruding strips 651 and the sliding grooves are matched to enable the shaft coupling 64 to drive the sleeves 65 to synchronously rotate, the sleeves 65 are used for driving the third gear 62 to rotate, the second gear ring 61 is controlled to rotate to drive the rotary table 43 and the mounting rings 541 to rotate, the two groups of rotary tables 43 rotate to drive the pipe body parts to rotate, the two groups of mounting rings 541 rotate to drive the two flange parts to synchronously rotate, the rotary table 43 and the mounting rings 541 rotate at the same speed, the rotating speeds of the flange and the pipe body parts are identical, relative stillness of the flange and the pipe body parts is achieved, the mounting rings 541 are arranged to coincide with the central axis of the rotary table 43, the flange and the central axis of the pipe body parts can be guaranteed to coincide, butting accuracy is guaranteed, and the situation of butt joint discomfort is avoided.
Referring to fig. 8, the pre-tightening unit 451 includes a plurality of mounting rods 4516 arranged in an array and sliding through the abutment 45, a hidden slot 4513 is formed at a position of a side of the abutment 45 near the central axis of the turntable 43 corresponding to each mounting rod 4516, a rolling ball 4515 is hinged to one end of the mounting rod 4516 near the central axis of the turntable 43, a first limiting plate 4511 is fixedly connected to one end of the mounting rod 4516 far away from the central axis of the turntable 43, a second limiting plate 4514 near the rolling ball 4515 is fixedly connected to one section of the mounting rod 4516 inside the hidden slot 4513, and a spring 4512 sleeved on the mounting rod 4516 is disposed between the second limiting plate 4514 and the bottom of the hidden slot 4513.
When the pipe locking device works specifically, the second limiting piece 4514 is supported by the spring 4512, the mounting rod 4516 is enabled to carry the rolling ball 4515 to extend out of the hiding groove 4513, the rolling ball 4515 contacts the pipe body part before the abutting seat 45, the rolling ball 4515 is used for pre-tightening and supporting the pipe body part, the rolling ball 4515 has rotatability, the pipe body part can move forwards and backwards, the rolling ball 4515 is in rolling contact with the pipe body part, the moving resistance of the pipe body part is reduced, after the pipe body part is pressed by the abutting seat 45, the rolling ball 4515 is pressed to move into the hiding groove 4513, the spring 4512 is compressed, the abutting seat 45 contacts the pipe body part, point contact is converted into surface contact, and the pipe body part cannot move at the moment, so that locking of the pipe body part is achieved.
Referring to fig. 2,6 and 7, the first synchronous adjusting assembly 46 includes a connecting ring 465 rotatably connected to the inside of the turntable 43, a rotating plate 461 is fixedly connected to one side of the connecting ring 465, a vortex rail 462 is fixedly connected to one side of the rotating plate 461 away from the corresponding connecting ring 465, a pin shaft is rotatably mounted at the inner end of the movable seat 44, the pin shaft is slidably connected to the corresponding vortex rail 462, a first gear ring 463 is fixedly connected to the connecting ring 465, a first gear 464 is engaged with the periphery of the first gear ring 463, the center of the first gear 464 is fixedly connected to the output end of a second motor 466, and the second motor 466 is fixedly connected to the outer wall of the turntable 43.
Specifically, during operation, the second motor 466 is used to control the first gear 464 to rotate, so that the first gear 464 controls the connecting ring 465 to rotate through the first gear ring 463, the connecting ring 465 drives the rotating ring plate 461 to rotate, so that the vortex rail 462 is operated, the operation of the vortex rail 462 synchronously controls the moving seats 44 to radially move along the turntable 43, and the synchronous movement of the moving seats 44 drives the abutting seats 45 to synchronously compress the pipe body in a centered manner.
Referring to fig. 1, 2 and 3, the centering assembly 41 includes a moving block 411 movably disposed inside the top frame 3 in a front-back symmetrical manner, a first electric push rod 412 is fixedly connected to the moving block 411, an output end of the first electric push rod 412 faces downward and is fixedly connected to a U-shaped shifting frame 413, the turntables 43 are all located between the U-shaped shifting frames 413, and a moving unit 414 for controlling the opposite movement of the two moving units is disposed between the front-back moving block 411.
Referring to fig. 2 and 3, the moving unit 414 includes a first guide rod 4142 fixedly connected between the front and rear walls of the top frame 3, and a first bi-directional screw 4141 rotatably connected between the front and rear walls of the top frame 3, and the front and rear moving block 411 is symmetrically screwed to the first bi-directional screw 4141 and slidably connected to the first guide rod 4142, and one end of the first bi-directional screw 4141 extends to the outside of the top frame 3 and is fixedly connected to the output end of the first motor 4143, and the first motor 4143 is fixedly connected to the outer wall of the top frame 3.
During specific work, the moving block 411 is controlled to move downwards through the operation of the first electric push rod 412, the moving block 411 drives the U-shaped shifting frame 413 to move downwards, the U-shaped shifting frame 413 is enabled to move downwards to a position opposite to two ends of the pipe body, then the first bidirectional screw 4141 is controlled to rotate through the operation of the first motor 4143 to drive the two moving blocks 411 to move oppositely along the first guide rod 4142, the two ends of the pipe body are abutted through the U-shaped shifting frame 413 on the moving block 411, the whole pipe body is guaranteed to be in a central position, and subsequent flange butt joint is facilitated.
Referring to fig. 5, the second synchronous assembly 54 includes a plurality of U-shaped frames 545 corresponding to the clamping holders 53 one by one and fixedly connected to the mounting ring 541, a second gear 547 is rotatably connected to the U-shaped frames 545, a movable arm 544 is fixedly connected to the second gear 547, a rack 548 is meshed to one side of the second gear 547, a guiding slot 549 is formed in the rack 548, one side of the U-shaped frames 545 away from the mounting ring 541 is slidably connected to the guiding slot 549, the clamping holders 53 are fixedly connected to one side of the corresponding rack 548 away from the second gear 547, a fixing frame 543 is fixedly connected to the inside of the mounting ring 541, a third electric push rod 542 is fixedly connected to the center of the fixing frame 543, a connecting frame 5410 is fixedly connected to the output end of the third electric push rod 542, and the position of the connecting frame 5410 corresponding to each support arm 546 is hinged with a movable arm 544, and one end of the movable arm 544 away from the connecting frame 5410 is hinged to the corresponding support arm 546.
In a specific operation, the third electric push rod 542 is operated to control the movement of the connecting frame 5410, the connecting frame 5410 drives the movable arms 544 to link the supporting arms 546 to control the rotation of the second gears 547, and the second gears 547 control the racks 548 to move along the corresponding guide grooves 549, so that the clamping seats 53 synchronously generate the movement close to the central axis of the mounting ring 541, and the outer edges of the flanges are tightly abutted by the synchronous movement of the clamping seats 53.
Referring to fig. 1 and 3, the docking assembly 51 includes a second bi-directional screw 511 rotatably connected between the front and rear vertical sections of the arch 2, and a second guide rod 512 fixedly connected between the front and rear vertical sections of the arch 2, the fourth motor 63 is located between the second guide rod 512 and the second bi-directional screw 511, the lower sides of the front and rear mounting plates 42 are respectively provided with a through hole for the second bi-directional screw 511 and the second guide rod 512 to pass through, the front and rear moving plate 55 is symmetrically and spirally connected to the second bi-directional screw 511 and is slidably connected to the second guide rod 512, one end of the second bi-directional screw 511 extends to the outside of the arch 2 and is fixedly connected to the output end of the third motor 513, and the third motor 513 is fixedly connected to the outer wall of the arch 2.
In specific operation, the third motor 513 is used for controlling the second bidirectional screw 511 to rotate, the second bidirectional screw 511 is used for controlling the two moving plates 55 to move relatively along the second guide rod 512, and the clamping seat 53 is tightly attached to two ends of the pipe body with flanges through the movement of the moving plates 55 so as to adapt to the pipe body with different lengths, so that the applicability of the equipment is improved.
Referring to fig. 1 and 5, the welding assembly 52 includes a supporting rod 521 fixedly connected to the left side of the moving plate 55 and having the same height as the central axis of the mounting ring 541, the supporting rod 521 extends toward the mounting plate 42 and is fixedly connected with a second electric push rod 522, an output end of the second electric push rod 522 faces toward the central axis of the mounting ring 541 and is fixedly connected with a mounting block 523, a welding gun 524 facing toward the central axis of the mounting ring 541 is fixedly connected to the mounting block 523, and a distance between the welding gun 524 and the mounting ring 541 is greater than a distance between the clamping seat 53 and the mounting ring 541.
During specific work, the second electric push rod 522 controls the mounting block 523 to drive the welding gun 524 to move towards the central axis of the mounting ring 541, so that the welding gun 524 meets adjustment requirements of circumferential welds with different diameter values, and the applicability of equipment is improved.
When in use, the utility model is characterized in that: s1: firstly, penetrating a pipe body into the through holes of two turntables 43 through a lifting appliance, then pre-tightening the pipe body, during pre-tightening, controlling a first gear 464 to rotate through the operation of a second motor 466, controlling a connecting ring 465 to rotate through the first gear ring 463, driving a rotating ring plate 461 to rotate through the connecting ring 465, enabling a vortex rail 462 to rotate, synchronously controlling each movable seat 44 to radially move along the turntables 43, driving each abutting seat 45 to synchronously pre-tighten the pipe body through the synchronous movement of each movable seat 44, supporting a second limiting piece 4514 through a spring 4512, enabling a mounting rod 4516 to stretch out of a hidden groove 4513 with a rolling ball 4515, enabling the rolling ball 4515 to contact the pipe body before the abutting seat 45, pre-tightening and supporting the pipe body through the rolling ball 4515, then controlling a movable block 411 to move downwards through a first electric push rod 412, enabling the U-shaped poking frame 413 to move downwards to a position opposite to two ends of the pipe body 43, and then driving the two guide rods 4143 to move upwards through the first guide rods 4142 to the two opposite sides of the pipe body 411 through the control of the first electric push rod 4143.
S2: then, the flange is placed at the position of the clamping seat 53 through the lifting tool, the connecting frame 5410 is controlled to move through the operation of the third electric push rod 542, the connecting frame 5410 drives the movable arms 544 to link the supporting arms 546 to control the second gears 547 to rotate, the racks 548 are controlled to move along the corresponding guide grooves 549 through the second gears 547, the clamping seats 53 synchronously generate the movement close to the central axis of the mounting ring 541, and the flange is abutted against the outer edge through the synchronous movement of the clamping seats 53.
S3: after the flange is mounted, the third motor 513 is operated to control the second bidirectional screw 511 to rotate, the second bidirectional screw 511 controls the two moving plates 55 to move relatively along the second guide rod 512, and the clamping seat 53 is attached to the two ends of the pipe body with the flange through the movement of the moving plates 55.
S4: then, the second electric push rod 522 is used for controlling the mounting block 523 to drive the welding gun 524 to move towards the central axis of the mounting ring 541, so that the welding gun 524 is close to the circumferential weld, then the welding gun 524 and the fourth motor 63 are started, the fourth motor 63 is used for controlling the shaft coupling 64 to rotate, the inner convex strips 651 and the sliding grooves are matched to drive the shaft coupling 64 to synchronously rotate, the sleeve 65 is used for driving the third gear 62 to rotate, the second gear ring 61 is controlled to rotate so as to drive the turntable 43 and the mounting ring 541 to rotate, the two turntable 43 and the mounting ring 541 are driven to synchronously rotate by the rotation of the two mounting rings 541, the rotation speeds of the turntable 43 and the mounting ring 541 are identical, so that the rotation speeds of the flange and the pipe are identical, the relative stationary rotation of the flange and the pipe is realized, and the welding gun 524 can continuously weld the rotating circumferential weld, thereby completing the welding process.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a plastic-coated composite steel pipe processing welding equipment, includes bottom plate (1), bottom plate (1) upside fixedly connected with bow member (2), the upside middle part fixedly connected with top frame (3) of bow member (2), its characterized in that: the middle part of the upper side of the bottom plate (1) is fixedly connected with a mounting plate (42) positioned in the arch (2) in a front-back symmetrical manner, a pipe locking mechanism (4) for locking the pipe body of the composite steel pipe in an external supporting manner is arranged on the mounting plate (42), symmetrical movable plates (55) are movably arranged on the upper side of the bottom plate (1), the mounting plate (42) is positioned between the two movable plates (55), and flange clamping mechanisms (5) for clamping flange parts at two ends of the composite steel pipe are arranged on the movable plates (55);
The pipe locking mechanism (4) comprises a rotary table (43) which is rotationally connected to a mounting plate (42), a plurality of movable seats (44) are arranged on the inner annular wall of the rotary table (43) in a penetrating manner in a circumferential equidistant sliding manner, the outer ends of the movable seats (44) are fixedly connected with a retaining seat (45), a pre-tightening unit (451) for pre-tightening pipe body parts is arranged on the retaining seat (45), a first synchronous adjusting component (46) is arranged between the plurality of movable seats (44), and a centering component (41) for centering the pipe body parts of the composite steel pipes is arranged in a top frame (3);
The first synchronous adjusting assembly (46) comprises a connecting ring (465) which is rotationally connected to the inside of the rotary table (43), one side of the connecting ring (465) is fixedly connected with a rotary ring plate (461), one side of the rotary ring plate (461) away from the corresponding connecting ring (465) is fixedly connected with a vortex rail (462), the inner end of the movable seat (44) is rotationally provided with a pin shaft which is connected to the corresponding vortex rail (462), the connecting ring (465) is fixedly connected with a first gear ring (463), the periphery of the first gear ring (463) is in meshed connection with a first gear (464), the center of the first gear (464) is fixedly connected to the output end of a second motor (466), and the second motor (466) is fixedly connected to the outer wall of the rotary table (43);
The flange clamping mechanism (5) comprises a mounting ring (541) rotationally connected to the movable plate (55), the mounting ring (541) coincides with the central axis of the turntable (43), a plurality of clamping seats (53) are equidistantly arranged on the circumference of the end face of the mounting ring (541) close to the corresponding mounting plate (42), a second coherent component (54) is jointly arranged between the clamping seats (53) and the mounting ring (541), a butt joint component (51) for enabling the two to synchronously move oppositely is arranged between the lower sides of the front and rear movable plates (55), and welding components (52) for welding butt joints of the flange and the pipe body are arranged on the left sides of the two movable plates (55);
The second synchronous assembly (54) comprises a plurality of U-shaped frames (545) which are in one-to-one correspondence with the clamping seats (53) and are fixedly connected to the mounting ring (541), a second gear (547) is connected to the U-shaped frames (545) in a rotating mode, a support arm (546) is fixedly connected to the second gear (547), a rack (548) is connected to one side of the second gear (547) in a meshing mode, a guide groove (549) is formed in the rack (548), one side, far away from the mounting ring (541), of the U-shaped frames (545) is connected with the guide groove (549) in a sliding mode, the clamping seats (53) are fixedly connected to one side, far away from the second gear (547), of the corresponding rack (548), a fixing frame (543) is fixedly connected to the inside of the mounting ring (541), a third electric push rod (542) is fixedly connected to the center of the fixing frame (543), the output end of the third electric push rod (542) is fixedly connected with a connecting frame (5410), movable arms (544) are hinged to positions, corresponding to the support arms (546) are hinged to one end, far away from the connecting frame (5410), of the corresponding support arm (546)
A rotation driving mechanism (6) for changing welding points is arranged between the two turntables (43) and the two mounting rings (541).
2. The plastic-coated composite steel pipe machining and welding equipment according to claim 1, wherein: the driving mechanism (6) comprises a rotary table (43) and a second gear ring (61) fixedly connected with the outer side edge of a mounting ring (541), a third gear (62) is connected to the lower side of the second gear ring (61) in a meshed mode, a sleeve (65) is connected to the lower side of the mounting plate (42) and the lower side of the moving plate (55) in a rotating mode, the center of the third gear (62) fixedly penetrates through the corresponding sleeve (65), a through hole is formed in the center of the sleeve (65), an inner protruding strip (651) is fixedly connected to the inner wall of the through hole, a shaft coupling (64) is connected between the through holes in a sliding mode, a sliding groove is formed in the surface of the shaft coupling (64) in a position corresponding to the inner protruding strip (651), the inner protruding strip (651) is in sliding fit with the sliding groove, the shaft coupling (64) is connected between the front vertical section and the rear vertical section of the arch (2), the front end of the shaft coupling (64) extends to the outside of the arch (2) and is fixedly connected to the output end of the fourth motor (63), and the fourth motor (63) is fixedly connected to the outer side wall of the arch (2).
3. The plastic-coated composite steel pipe machining and welding equipment according to claim 1, wherein: the pretension unit (451) comprises a plurality of mounting rods (4516) which are arranged in an array and slide through a retaining base (45), the positions, close to the central axis of the rotary table (43), of the retaining base (45) and corresponding to the mounting rods (4516) are provided with hidden grooves (4513), one ends, close to the central axis of the rotary table (43), of the mounting rods (4516) are hinged with rolling balls (4515), one ends, far away from the central axis of the rotary table (43), of the mounting rods (4516) are fixedly connected with first limiting pieces (4511), one section, close to the rolling balls (4515), of the mounting rods (4516) is located inside the hidden grooves (4513), second limiting pieces (4514) are fixedly connected with second limiting pieces (4514), and springs (4512) sleeved on the mounting rods (4516) are arranged between bottoms of the holes of the second limiting pieces (4514).
4. The plastic-coated composite steel pipe machining and welding equipment according to claim 1, wherein: the centering assembly (41) comprises moving blocks (411) which are movably arranged inside the top frame (3) in a front-back symmetrical mode, a first electric push rod (412) is fixedly connected to the moving blocks (411), the output end of the first electric push rod (412) faces downwards and is fixedly connected with a U-shaped shifting frame (413), the turntables (43) are located between the U-shaped shifting frames (413), and moving units (414) used for controlling the two moving oppositely are arranged between the front-back moving blocks (411).
5. A plastic-coated composite steel pipe machining and welding device as claimed in claim 4, wherein: the moving unit (414) comprises a first guide rod (4142) fixedly connected between the front wall and the rear wall of the top frame (3), a first bidirectional screw rod (4141) rotationally connected between the front wall and the rear wall of the top frame (3), a front moving block (411) and a rear moving block are symmetrically connected on the first bidirectional screw rod (4141) in a threaded mode and are connected on the first guide rod (4142) in a sliding mode, one end of the first bidirectional screw rod (4141) extends to the outside of the top frame (3) and is fixedly connected to the output end of the first motor (4143), and the first motor (4143) is fixedly connected to the outer wall of the top frame (3).
6. The plastic-coated composite steel pipe machining and welding equipment according to claim 1, wherein: the butt joint assembly (51) comprises a second bidirectional screw rod (511) which is rotationally connected between the front vertical section and the rear vertical section of the arch frame (2), and a second guide rod (512) which is fixedly connected between the front vertical section and the rear vertical section of the arch frame (2), wherein the lower sides of the front mounting plate and the rear mounting plate (42) are respectively provided with a penetrating opening for the second bidirectional screw rod (511) and the second guide rod (512) to penetrate, the front moving plate and the rear moving plate (55) are symmetrically connected on the second bidirectional screw rod (511) in a threaded manner and are connected on the second guide rod (512) in a sliding manner, one end of the second bidirectional screw rod (511) extends to the outside of the arch frame (2) and is fixedly connected to the output end of a third motor (513), and the third motor (513) is fixedly connected to the outer wall of the arch frame (2).
7. The plastic-coated composite steel pipe machining and welding equipment according to claim 1, wherein: the welding assembly (52) comprises a supporting rod (521) which is fixedly connected to the left side of the movable plate (55) and is at the same height as the central axis of the mounting ring (541), the supporting rod (521) extends towards the mounting plate (42) and is fixedly connected with a second electric push rod (522), the output end of the second electric push rod (522) faces the central axis of the mounting ring (541) and is fixedly connected with a mounting block (523), a welding gun (524) which faces the central axis of the mounting ring (541) is fixedly connected to the mounting block (523), and the distance between the welding gun (524) and the front and back directions of the mounting ring (541) is larger than the distance between the front and back directions of the clamping seat (53) and the mounting ring (541).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410622886.7A CN118237840B (en) | 2024-05-20 | 2024-05-20 | Plastic-coated composite steel pipe processing welding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410622886.7A CN118237840B (en) | 2024-05-20 | 2024-05-20 | Plastic-coated composite steel pipe processing welding equipment |
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| CN118237840B true CN118237840B (en) | 2024-08-09 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894254A (en) * | 2021-02-01 | 2021-06-04 | 徐萍 | Method for manufacturing large-diameter anti-corrosion plastic-coated steel pipe |
| CN115722833A (en) * | 2022-07-14 | 2023-03-03 | 钱贵兴 | Steel pipe and flange alignment welding set suitable for different diameters |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2561948A1 (en) * | 2011-08-24 | 2013-02-27 | Wartmann Technologie AG | Device for and method of manufacturing a flange-tube-flange element using friction stir welding |
| CN107914091B (en) * | 2017-11-07 | 2023-05-23 | 河北北方伟业钢结构制造有限公司 | Automatic welding assembly line for communication pipe tower |
| CN111590247A (en) * | 2020-06-02 | 2020-08-28 | 董淑翠 | Steel pipe annular welding device with locking function and working method |
| CN219131343U (en) * | 2022-10-26 | 2023-06-06 | 宁波百华数控机械有限公司 | Pipe flange pairing tool |
| CN117600360B (en) * | 2024-01-24 | 2024-03-22 | 中铁四局集团有限公司 | Automatic semi-finished product steel bar machining equipment for small prefabricated parts |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894254A (en) * | 2021-02-01 | 2021-06-04 | 徐萍 | Method for manufacturing large-diameter anti-corrosion plastic-coated steel pipe |
| CN115722833A (en) * | 2022-07-14 | 2023-03-03 | 钱贵兴 | Steel pipe and flange alignment welding set suitable for different diameters |
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