CN114654087B - Laser welding equipment for inflammable and explosive medium conveying pipeline - Google Patents
Laser welding equipment for inflammable and explosive medium conveying pipeline Download PDFInfo
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- CN114654087B CN114654087B CN202210280088.1A CN202210280088A CN114654087B CN 114654087 B CN114654087 B CN 114654087B CN 202210280088 A CN202210280088 A CN 202210280088A CN 114654087 B CN114654087 B CN 114654087B
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0869—Devices involving movement of the laser head in at least one axial direction
- B23K26/0876—Devices involving movement of the laser head in at least one axial direction in at least two axial directions
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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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
- 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
Abstract
The invention discloses laser welding equipment for a flammable and explosive medium conveying pipeline, and relates to the technical field of pipeline welding equipment. The laser welding equipment for the inflammable and explosive medium conveying pipeline comprises an upper seat plate and a lower seat plate, wherein four corners of the upper end face of the lower seat plate are fixedly connected with the upper seat plate through electric telescopic rods, an angle adjusting mechanism is arranged at the right part of the upper end face of the upper seat plate, an elastic rubber cover is sleeved outside the first disc and the second disc, and an elastic air bag ring is fixedly connected to the outer surface wall of the elastic rubber cover.
Description
Technical Field
The invention relates to the technical field of pipeline welding equipment, in particular to laser welding equipment for a flammable and explosive medium conveying pipeline.
Background
Inflammable and explosive media refer to substances which are easy to burn and explode, including solids, liquids and gases, pipelines are mostly adopted for conveying when the media are transferred, a plurality of pipelines are required to be welded together according to requirements in the pipeline laying process to reach the required length, measures are required to be taken for blocking the oxidation effect of oxygen in air on the welding seam on the back surface of the welding seam in the pipeline welding process, inert gases are generally regarded as good protective media, and the two ends of the pipelines are sealed during welding, and are filled with the inert gases for protection, so that the oxygen content in the pipeline is reduced, and the oxidation degree is reduced.
However, because the internal space of the pipeline is large, a large amount of inert gas is required to be consumed for protection, so that the cost is high, and even if a large amount of inert gas is filled, the air cannot be effectively emptied, the concentration of the inert gas in the pipeline cannot reach the conforming concentration, so that the protection effect is poor, and the welding quality is affected; in addition, the pipeline needs to be changed according to the trend of the pipeline when being paved, the pipeline and the elbow need to be welded together, the existing clamping device clamps the elbow of a right angle, and the elbow with the bending radian angle smaller than ninety degrees or larger than ninety degrees needs to take a long time to adjust the included angle among clamping equipment, the elbow and the straight pipe, so that the operation is very tedious and time-consuming, and the welding speed is influenced.
Disclosure of Invention
The technical problems to be solved are as follows: the laser welding equipment for the flammable and explosive medium conveying pipeline can solve the problems pointed out in the background technology.
The technical scheme is as follows: in order to achieve the aim, the invention adopts the following technical scheme that the laser welding equipment for the flammable and explosive medium conveying pipeline comprises an upper seat plate and a lower seat plate, wherein four corners of the upper end surface of the lower seat plate are fixedly connected with the upper seat plate through electric telescopic rods, the right part of the upper end surface of the upper seat plate is provided with an angle adjusting mechanism, a first clamping mechanism for clamping and limiting a pipeline elbow is arranged between the upper seat plate and the lower seat plate and below the angle adjusting mechanism, two second clamping mechanisms for clamping and limiting a conveying straight pipe are respectively arranged on the left part and the front part of the upper end surface of the lower seat plate and are respectively arranged on the left part and the front part of the first clamping mechanism, the angle adjusting mechanism is used for adjusting an included angle between the two second clamping mechanisms, the lower part of the angle adjusting mechanism is provided with two welding mechanisms corresponding to the second clamping mechanisms, the welding mechanism is internally provided with a laser welding head, the second clamping mechanism comprises a mounting frame, a sealing mechanism is arranged on one side end surface of the mounting frame, which is far away from the first clamping mechanism, the sealing mechanism is used for sealing an inner cavity of a pipeline welding position when a pipeline is welded so that inert gas can be quickly filled in the welding position when the pipeline is welded, the sealing mechanism comprises an outer shaft, an inner shaft, a first disc, a second disc, a straight groove, an arc top piece, an elastic rubber cover and a telescopic elastic air bag ring, a supporting expansion plate is fixedly connected with one side end surface of the mounting frame, which is far away from the first clamping mechanism, through a telescopic fixing plate, a sliding ring is fixedly connected with the upper end surface of the supporting expansion plate, the sliding ring inner cavity is slidably connected with the outer shaft, the outer shaft inner cavity is fixedly connected with two first discs, the inner shaft is rotationally connected with the outer shaft, the outer surface wall of the outer shaft is symmetrically provided with slotted holes on one side of the two first discs, the outer surface wall of the inner shaft is fixedly connected with protruding blocks, the protruding blocks penetrate through the slotted holes and are fixedly connected with second discs corresponding to the first discs, a plurality of straight grooves are formed in the circumferences of the side end faces of the first discs at equal intervals, sliding columns are connected inside the straight grooves in a sliding mode, one end of each sliding column is fixedly connected with an arc-shaped top piece, a plurality of arc-shaped grooves corresponding to the straight grooves are formed in the side end faces of the second discs at equal intervals, one section of each sliding column, far away from the corresponding arc-shaped top piece, of each sliding column is connected inside the corresponding arc-shaped groove in a sliding mode, an elastic rubber cover is sleeved outside the first discs and the second discs, and the outer surface wall of each elastic rubber cover is fixedly connected with a telescopic elastic air bag ring.
Further, flexible fixed plate up end fixedly connected with gas holder, gas holder upper portion intercommunication has the gas-supply pipe, gas-supply pipe outward appearance wall is provided with the air pump, the interior outside of axle just is located the one section fixedly connected with play gas cage between two first discs, the outer outward appearance wall of axle just is located the outside of gas cage and has seted up the venthole, the one end that the gas-supply pipe kept away from the gas holder runs through interior axle hub portion and fixed connection at the gas cage inner wall.
Further, angle adjustment mechanism includes mounting panel, installation axle, terminal surface ring gear seat, spacing terminal surface ring gear and pinch roller, the installation axle of upper end fixedly connected with of upper base plate, installation axle outward appearance wall rotates and is connected with two mounting panels, and the equal fixedly connected with terminal surface ring gear seat of mounting panel up end, and terminal surface ring gear seat cover is established in the installation axle outside, the outside cover of installation axle is established and is connected with terminal surface ring gear seat matched with spacing terminal surface ring gear, and the outer surface wall of two terminal surface ring gears fixedly connected with C shape pole jointly, and the slip vertical groove has been seted up on installation axle outward surface wall upper portion, is located the inside slider of limit terminal surface ring gear inner chamber wall fixedly connected with slip setting in slip vertical groove on installation axle upper portion, common fixedly connected with reset spring between slider side terminal surface and the slip vertical groove cell wall, be located on the installation axle upper portion limit terminal surface ring gear upper end face symmetry fixedly connected with book shaped plate, two connect with pinch roller through pivot off-axis rotation jointly between the book shaped plate.
Further, the first arc through groove has been seted up to the upper end face of upper saddle, terminal surface fixedly connected with fixed column under the mounting panel, fixed column lower extreme runs through first arc through groove and fixedly connected with link, welding mechanism includes the link, the link is provided with two and equal fixedly connected with link lower parts, two the ring channel has all been seted up to the one side terminal surface that the link is close to each other, two common sliding connection has the extension board between the ring channel, the laser welding head is installed to one side terminal surface that the extension board is close to the link axle center, one of them link outward appearance wall fixedly connected with ring gear, one side terminal surface fixedly connected with driving motor that the extension board kept away from the link axle center, driving motor's output shaft fixedly connected with and ring gear engaged with's gear.
Further, the mounting frame is fixedly connected with a transverse plate near one side end face of the ring frame, and the upper end face of the transverse plate and the lower part of the outer surface wall of the ring frame are fixedly connected with limiting telescopic rods.
Further, the first clamping mechanism comprises a first spring telescopic ejector rod, an upper arc clamping piece, a second spring telescopic ejector rod and a lower arc clamping piece, one side end face of the connecting frame, which is close to the mounting shaft, is fixedly connected with the first spring telescopic ejector rod through a transverse rod, the lower end of the first spring telescopic ejector rod is fixedly connected with the upper arc clamping piece, and the upper end face of the transverse plate is fixedly connected with the lower arc clamping piece through the second spring telescopic ejector rod.
Further, no. two fixture includes mount pad, extrusion rod, L shape pole, extrusion frame and arc, the corresponding arc slide bar of lower bedplate up end fixedly connected with and mounting panel, the outside sliding connection of arc slide bar has the slide, mounting bracket fixedly connected with is at slide up end, the vertical section up end fixedly connected with mount pad of mounting bracket, the mount pad up end is through slide cooperation sliding block sliding connection has the extrusion pole, the equal fixedly connected with arc of one side terminal surface that the extrusion pole is close to the mounting bracket middle part, the slotted hole has been seted up to extrusion rod side terminal surface, the inside sliding connection of slotted hole has the extrusion piece, joint fixedly connected with extrusion spring between extrusion piece side terminal surface and the slot inner wall, extrusion piece side terminal surface rotation is connected with the extrusion frame, the mount pad up end is through lug rotation connection with L shape pole, extrusion frame upper portion and L shape pole corner looks mutual swivelling joint, L shape pole upper portion side terminal surface fixedly connected with extrusion post, the second through-shaped groove corresponding with two second clamping mechanism is seted up to the upper end, the corresponding vertical groove of X is seted up to the side terminal surface through the equal fixedly connected with arc of X, the corresponding side vertical post has square end face and the corresponding side of X-shaped connection of X.
Further, the middle part of the upper end face of the mounting frame is fixedly connected with an arc-shaped placing plate through a fixed cylinder.
The beneficial effects (1), through two first discs in the closing mechanism, two second discs, the arc top piece, elastic rubber cover and scalable elasticity gasbag ring mutually support, cut off a short section enclosure space with the welding department when the welding for inert gas can be quick in being full of the inner chamber space of pipeline welding department, reduced inert gas's diffusion, make the inert gas concentration of welding department promote to required standard fast, promoted the protection effect of welding department, improved welding quality, and still reduced inert gas's filling volume simultaneously, reduced use cost.
(2) The angle between the first adjusting mechanism, the second adjusting mechanism and the welding mechanism can be adjusted simultaneously and rapidly by means of the mutual cooperation of the mounting plate, the mounting shaft, the end face gear ring seat, the limiting end face gear ring and the pressing wheel in the angle adjusting mechanism, so that the welding device can be suitable for welding between bent pipes and straight pipes with different bending radian angles, the adjusting time is shortened, and the welding speed is improved.
(3) The extrusion rod, the L-shaped rod, the extrusion frame, the arc plate, the extrusion column and the extrusion chute are mutually matched, and the extrusion chute is utilized to extrude the extrusion column and move the extrusion column to drive the extrusion rod to approach each other in the process that the extrusion chute is driven to descend by the upper seat plate, so that the automatic clamping of a pipeline is realized, the step of manually operating the clamping device is omitted, the time and the labor are saved, and the welding efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the installation structure of the angle adjusting mechanism of the present invention.
Fig. 3 is a schematic diagram of the mounting structure of the first clamping mechanism, the second clamping mechanism and the laser welding mechanism of the present invention.
Fig. 4 is a schematic diagram of a split structure of the closing mechanism of the present invention.
Fig. 5 is an enlarged schematic view of the structure of the portion a in fig. 4 according to the present invention.
FIG. 6 is a schematic cross-sectional view of the closure mechanism of the present invention.
Fig. 7 is a schematic view of an installation structure of a second clamping mechanism according to the present invention.
FIG. 8 is a schematic view of the connection structure of the mounting frame and the mounting base of the present invention.
Fig. 9 is an enlarged schematic view of the structure of part B in fig. 8 according to the present invention.
FIG. 10 is a schematic view of the mounting structure of the laser welding mechanism of the present invention.
In the figure: 1. an upper seat plate; 2. a lower seat plate; 3. an electric telescopic rod; 4. an angle adjusting mechanism; 41. a mounting plate; 42. a mounting shaft; 43. an end face gear ring seat; 44. limiting end face gear rings; 45. a pinch roller; 46. a C-shaped rod; 47. sliding vertical grooves; 48. a slide block; 49. a return spring; 5. a first clamping mechanism; 51. the first spring stretches out and draws back the ejector pin; 52. an upper arc clamping piece; 53. the second spring stretches out and draws back the ejector pin; 54. a lower arc clamping piece; 6. a second clamping mechanism; 61. a mounting frame; 62. a mounting base; 63. an extrusion rod; 64. an L-shaped rod; 65. an extrusion frame; 66. an arc-shaped plate; 7. a welding mechanism; 71. a laser welding head; 72. a ring frame; 73. a support plate; 74. a driving motor; 8. a closing mechanism; 81. an outer shaft; 82. an inner shaft; 83. a first disc; 84. a second disc; 85. a straight groove; 86. an arc-shaped groove; 87. an arcuate topsheet; 88. an elastic rubber cover; 89. a stretchable elastic balloon ring; 9. a telescopic fixing plate; 10. supporting the expansion plate; 11. a spool; 12. a gas pipe; 13. an air outlet cage; 14. an air outlet hole; 15. a folding plate; 16. a first arc-shaped through groove; 17. a connecting frame; 18. a cross plate; 19. a limiting telescopic rod; 20. an arc slide bar; 21. a slide plate; 22. a slide; 23. extruding a block; 24. extruding a spring; 25. an extrusion column; 26. a second arc-shaped through groove; 27. an X-shaped rod; 28. a square plate; 29. extruding the chute; 30. the plate is placed in an arc shape.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 3, the present invention provides a technical solution: the utility model provides a flammable and explosive medium is laser welding equipment for pipeline, including upper saddle 1 and lower saddle 2, lower saddle 2 up end four corners is through electric telescopic handle 3 fixedly connected with upper saddle 1, angle adjustment mechanism 4 is installed at upper saddle 1 up end right part, upper saddle 1 and lower saddle 2 are located the below of angle adjustment mechanism 4 and install and be used for carrying out spacing clamping mechanism 5 of centre gripping to the pipeline elbow, lower saddle 2 up end just is located the left part and the front portion of clamping mechanism 5 and all installs two clamping mechanism 6 No. two that are used for carrying out the centre gripping spacing to the transportation straight tube, angle adjustment mechanism 4 is used for adjusting the contained angle between two No. two clamping mechanisms 6, angle adjustment mechanism 4 lower part just is located and installs two welding mechanism 7 corresponding with No. two clamping mechanism 6 between upper saddle 1 and lower saddle 2, welding mechanism 7 inside is provided with laser welding head 71, no. two clamping mechanism 6 include mounting bracket 61, one side end face that is kept away from No. clamping mechanism 5 installs sealing mechanism 8, sealing mechanism 8 is used for carrying out sealing to pipeline inner chamber when carrying out the welding, so that the welding department can be full of gas fast when inertia welding can be full of welding.
Referring to fig. 2, in this embodiment, the angle adjusting mechanism 4 includes a mounting plate 41, a mounting shaft 42, an end face gear ring seat 43, a limiting end face gear ring 44 and a pressing wheel 45, the upper end face of the upper seat plate 1 is fixedly connected with the mounting shaft 42, the outer surface wall of the mounting shaft 42 is rotationally connected with two mounting plates 41, the upper end faces of the mounting plates 41 are fixedly connected with the end face gear ring seat 43, the end face gear ring seat 43 is sleeved outside the mounting shaft 42, the outer surface wall of the mounting shaft 42 is sleeved with the limiting end face gear ring 44 matched with the end face gear ring seat 43, the outer surface walls of the two end face gear rings are fixedly connected with a C-shaped rod 46, the upper part of the outer surface wall of the mounting shaft 42 is provided with a sliding vertical groove 47, the inner cavity wall of the limiting end face gear ring 44 positioned at the upper part of the mounting shaft 42 is fixedly connected with a sliding block 48 arranged in the sliding vertical groove 47, a reset spring 49 is fixedly connected between the side end face of the sliding block 48 and the wall of the sliding vertical groove 47, the limiting end face gear ring 44 positioned at the upper part of the mounting shaft 42 is symmetrically fixedly connected with a folded plate 15, and the pressing wheel 45 is rotationally connected with the pressing wheel 45 through a rotating shaft and the rotating shaft.
The angle adjustment mechanism 4 is utilized to adjust the included angle of the first clamping mechanism 5 and the second clamping mechanisms 6 according to the bending angle of the bent pipe to be welded, the rotating mounting plate 41 drives the first adjusting mechanism, the second adjusting mechanism and the welding mechanism 7 to rotate, the rotating pressing wheel 45 enables the distal end part of the rotating shaft to be abutted against the upper end of the mounting shaft 42, the pressing wheel 45 can pull the folding plate 15 upwards in the rotating process to move, the folding plate 15 drives the limiting end face gear ring 44 to move upwards to separate from the inside of the end face gear ring seat 43, then the two mounting plates 41 can be rotated, the included angle between the two mounting plates 41 is adjusted to be consistent with the bending angle of the bent pipe to be welded, the pressing wheel 45 is reversely rotated after adjustment is completed, the pressing wheel 45 is abutted against the upper part of the mounting shaft 42, the reset spring 49 extrudes the sliding block 48, the sliding block 48 drives the limiting end face gear ring 44 to descend and be clamped together with the end face gear ring seat 43, the mounting plate 41 after the angle adjustment is completed, the angle of the first clamping mechanism 5, the second clamping mechanism 6 and the welding mechanism 7 can be adjusted simultaneously, and the welding speed can be reduced according to different bending radians, and the welding speed is fast.
Referring to fig. 3 and 7, the first clamping mechanism 5 includes a first spring telescopic ejector rod 51, an upper arc clamping piece 52, a second spring telescopic ejector rod 53 and a lower arc clamping piece 54, wherein one side end face of the connecting frame 17, which is close to the mounting shaft 42, is fixedly connected with the first spring telescopic ejector rod 51 through a cross rod, the lower end of the first spring telescopic ejector rod 51 is fixedly connected with the upper arc clamping piece 52, and the upper end face of the transverse plate 18 is fixedly connected with the lower arc clamping piece 54 through the second spring telescopic ejector rod 53.
Referring to fig. 3, fig. 7, fig. 8 and fig. 9, no. two fixture 6 includes mount pad 62, extrusion rod 63, L-shaped pole 64, extrusion frame 65 and arc 66, lower bedplate 2 up end fixedly connected with and the corresponding arc slide bar 20 of mounting panel 41, arc slide bar 20 outside sliding connection has slide 21, mount pad 61 fixed connection is at slide 21 up end, the vertical section up end fixedly connected with mount pad 62 of mount pad 61, mount pad 62 up end is through slide 22 cooperation sliding block sliding connection has extrusion rod 63, one side terminal surface that extrusion rod 63 is close to the middle part of mount pad 61 all fixedly connected with arc 66, the slotted hole has been seted up to extrusion rod 63 side terminal surface, the inside sliding connection of slotted hole has extrusion piece 23, joint fixedly connected with extrusion spring 24 between extrusion piece 23 side terminal surface and the slotted hole inner groove wall, extrusion piece 23 side terminal surface swivelling joint has extrusion frame 65, mount pad 62 up end is through lug swivelling joint having L-shaped pole 64, extrusion frame 65 upper portion and the mutual swivelling joint in L-shaped pole 64 department, the vertical section side terminal surface fixedly connected with extrusion post 25 of L-shaped pole 64 upper end, the corresponding second end of two numbers 6 and two sets up end face of fixing plate and the corresponding arc 30 of arc 30 fixed connection of arc 30, the corresponding fixed connection of arc 30 side of two fixture is seted up end face of installation plate 26, the corresponding arc 30, the square end is connected with the arc 30.
After the adjustment is finished, the electric telescopic rod 3 is started to drive the upper seat plate 1 to ascend, then the pipe elbow is placed on the lower arc clamping piece 54, the straight pipe is placed on the arc placing plate 30, one end of the straight pipe to be welded is adjusted to pass through the ring frame 72, then the electric telescopic rod 3 is controlled to shrink to drive the upper seat plate 1 to descend, the upper seat plate 1 drives the upper arc clamping piece 52 to descend through the connecting frame 17 and the first spring telescopic ejector rod 51 to clamp and fix the bent pipe, the upper seat plate 1 also drives the square plate 28 to descend when descending until the extrusion column 25 slides into the extrusion chute 29, and because the extrusion chute 29 is in an inclined state, the extrusion chute 29 can extrude the extrusion column 25 to move towards the middle of the mounting frame 61 in the descending process, the extrusion column 25 then drives the L-shaped rod 64 to rotate, the L-shaped rod 64 rotates to drive the extrusion frame 65 to change from the inclined state to the horizontal state, the extrusion frame 65 pushes the extrusion block 23 to move, and then the extrusion block 23 drives the extrusion rod 63 to move towards the middle of the mounting frame 61 through the extrusion spring 24, so that the side part of the bent pipe is clamped and fixed, the operation of manual clamping is omitted, and the welding efficiency is improved.
Referring to fig. 3, 4, 5 and 6, in this embodiment, the closing mechanism 8 includes an outer shaft 81, an inner shaft 82, a first disc 83, a second disc 84, a straight slot 85, an arc slot 86, an arc top 87, an elastic rubber cover 88 and a telescopic elastic air bag ring 89, one side end surface of the mounting frame 61 far away from the first clamping mechanism 5 is fixedly connected with a supporting expansion plate 10 through a telescopic fixing plate 9, the upper end surface of the supporting expansion plate 10 is fixedly connected with a slip ring, the inner cavity of the slip ring is slidably connected with the outer shaft 81, the inner cavity of the outer shaft 81 is fixedly connected with two first discs 83, the inner cavity of the outer shaft 81 is rotatably connected with the inner shaft 82, slotted holes are symmetrically formed in one side of the outer surface wall of the outer shaft 81 and are located on one sides of the two first discs 83, the outer surface wall of the inner shaft 82 is fixedly connected with a bump, and the bump penetrates out of the slotted holes and is fixedly connected with the second disc 84 corresponding to the first discs 83, a plurality of straight grooves 85 are formed in the circumference of the side end face of the first disc 83 at equal intervals, a sliding column 11 is connected in the straight grooves 85 in a sliding manner, an arc-shaped top piece 87 is fixedly connected to one end of the sliding column 11, a plurality of arc-shaped grooves 86 corresponding to the straight grooves 85 are formed in the side end face of the second disc 84 at equal intervals, one section of the sliding column 11 far away from the fan-shaped top piece is connected in the arc-shaped grooves 86 in a sliding manner, an elastic rubber cover 88 is sleeved outside the first disc 83 and the second disc 84, an elastic air bag ring 89 is fixedly connected to the outer surface wall of the elastic rubber cover 88, an air storage tank is fixedly connected to the upper end face of the telescopic fixing plate 9, an air pipe 12 is communicated to the upper portion of the air storage tank, an air pump is arranged on the outer surface wall of the air pipe 12, an air outlet cage 13 is fixedly connected to one section of the outer surface wall of the inner shaft 82, and the outer surface wall of the inner shaft 81 is positioned between the two first discs 83, air outlet holes 14 are formed in the outer portion of the air outlet cage 13, one end of the gas pipe 12, which is far away from the gas storage tank, penetrates through the axial center of the inner shaft 82 and is fixedly connected to the inner wall of the gas outlet cage 13.
After the clamping operation of the first clamping mechanism 5 and the second clamping mechanism 6 on the bent pipe and the straight pipe is completed, the telescopic fixed plate 9 is pulled to stretch, the telescopic plate 10 is pulled to rise at the same time, the sealing mechanism 8 moves to the pipe orifice of the straight pipe, the outer shaft 81 is pushed to slide, the first disc 83 is moved to the welding position, the inner shaft 82 is rotated to drive the second disc 84 to rotate, the second disc 84 is driven to rotate to drive the arc-shaped groove 86, the arc-shaped groove 86 can squeeze the slide column 11 to move along the path of the straight groove 85 towards the direction far away from the center of the first disc 83 in the rotating displacement process, the arc-shaped top piece 87 is driven to move, the arc-shaped top piece 87 is then expanded outwards by the elastic rubber cover 88, the elastic rubber cover 88 is then pushed to move the telescopic elastic air bag ring 89 positioned outside the elastic air bag ring, the telescopic air bag ring 89 is pushed to the inner wall of the pipe, then the air pump is started to charge inert gas inside the air storage tank into the air outlet cage 13 through the conveying pipe, then enters between the two elastic rubber covers 88, the space between the two elastic rubber covers 88 is gradually filled with the inert gas, the inert gas diffusion is reduced, the inert gas concentration can be increased, the required inert gas concentration can be fast, and the welding cost can be reduced, and the inert gas protection effect can be improved simultaneously, and the welding cost can be improved.
Referring to fig. 10, a first arc through groove 16 is formed on an upper end surface of the upper seat plate 1, a fixed column is fixedly connected to a lower end surface of the mounting plate 41, a lower end of the fixed column penetrates through the first arc through groove 16 and is fixedly connected with a connecting frame 17, the welding mechanism 7 comprises a ring frame 72, two ring frames 72 are fixedly connected with lower parts of the connecting frame 17, annular grooves are formed on one side end surfaces of the two ring frames 72, a support plate 73 is slidably connected between the two annular grooves, a laser welding head 71 is mounted on one side end surface of the support plate 73 close to an axis of the ring frame 72, a gear ring is fixedly connected to an outer surface wall of one ring frame 72, a driving motor 74 is fixedly connected to one side end surface of the support plate 73 far away from the axis of the ring frame 72, a gear meshed with the output shaft of the driving motor 74 is fixedly connected to one side end surface of the mounting frame 61 close to the ring frame 72, a transverse plate 18 is fixedly connected to one side end surface of the upper end surface of the transverse plate 18 and the outer surface of the ring frame 72 is fixedly connected with a limiting telescopic rod 19, after inert gas filling is completed, the driving motor 74 is started to drive the gear to rotate, and the gear ring frame is driven by the gear ring to drive the laser welding head 71 to rotate around the joint of the ring frame 72 and the straight pipe 72.
During operation, the angle of the first clamping mechanism 5, the second clamping mechanism 6 and the welding mechanism 7 and the bending angle of the bent pipe are adjusted through the angle adjusting mechanism 4, so that the angles of the first clamping mechanism 5, the second clamping mechanism 6 and the welding mechanism 7 are consistent with the bending radian of the bent pipe, the electric telescopic rod 3 drives the upper seat plate 1 to ascend, the bent pipe is placed into the first clamping mechanism 5, the straight pipe is placed into the second clamping mechanism 6, the upper seat plate 1 is controlled to descend to clamp the placed bent pipe and the straight pipe, the sealing mechanism 8 stretches into the welding position of the pipeline after the clamping is finished, the inner cavity of the pipeline at the welding position is isolated and sealed through the sealing mechanism 8, then inert gas is filled, and finally the welding mechanism 7 is started to weld the joint of the straight pipe and the bent pipe.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a flammable and explosive medium is laser welding equipment for pipeline, includes bedplate (1) and lower bedplate (2), its characterized in that: the four corners of the upper end face of the lower seat plate (2) are fixedly connected with the upper seat plate (1) through an electric telescopic rod (3), an angle adjusting mechanism (4) is arranged on the right part of the upper end face of the upper seat plate (1), a first clamping mechanism (5) for clamping and limiting a pipe elbow is arranged between the upper seat plate (1) and the lower seat plate (2) and below the angle adjusting mechanism (4), two second clamping mechanisms (6) for clamping and limiting a conveying straight pipe are respectively arranged on the left part and the front part of the upper end face of the lower seat plate (2) and are respectively arranged on the left part and the front part of the first clamping mechanism (5), the angle adjusting mechanism (4) is used for adjusting an included angle between the two second clamping mechanisms (6), two welding mechanisms (7) corresponding to the second clamping mechanisms (6) are arranged on the lower part of the angle adjusting mechanism (4) and between the upper seat plate (1) and the lower seat plate (2), a laser welding head (71) is arranged inside the welding mechanism (7), the second clamping mechanism (6) comprises a mounting frame (61), and one side, far away from the first clamping mechanism (8), of the sealing mechanism (61) is arranged on one side, far away from the sealing mechanism (8);
the sealing mechanism (8) comprises an outer shaft (81), an inner shaft (82), a first disc (83), a second disc (84), straight grooves (85), arc grooves (86), arc top sheets (87), elastic rubber covers (88) and telescopic elastic air bag rings (89), one side end face of a mounting frame (61) far away from a first clamping mechanism (5) is fixedly connected with a supporting expansion plate (10) through a telescopic fixing plate (9), the upper end face of the supporting expansion plate (10) is fixedly connected with a sliding ring, an inner cavity of the sliding ring is slidably connected with the outer shaft (81), the inner cavity of the outer shaft (81) is fixedly connected with two first discs (83), the inner cavity of the outer shaft (81) is rotationally connected with an inner shaft (82), one side of the outer surface wall of the outer shaft (81) which is positioned on the two first discs (83) is symmetrically provided with slotted holes, the outer surface wall of the inner shaft (82) is fixedly connected with a lug, the lug penetrates out of the slotted holes and is fixedly connected with the second disc (84) corresponding to the first disc (83), the side end face of the first disc (83) is provided with a plurality of straight grooves (85), one end face circumference of the straight grooves (85) are fixedly connected with the straight columns (11) at equal intervals, one end of the straight columns (11) is fixedly connected with the straight columns (11), a plurality of arc-shaped grooves (86) corresponding to the straight grooves (85) are formed in the side end faces of the second disc (84) at equal intervals, one section of the sliding column (11) away from the fan-shaped top piece is connected inside the arc-shaped grooves (86) in a sliding mode, an elastic rubber cover (88) is sleeved outside the first disc (83) and the second disc (84), and a telescopic elastic air bag ring (89) is fixedly connected to the outer surface wall of the elastic rubber cover (88).
2. A laser welding apparatus for a flammable and explosive medium carrying conduit according to claim 1, wherein: the utility model discloses a gas-tight sealing device for the gas turbine is characterized in that a gas storage tank is fixedly connected with the up end of flexible fixed plate (9), gas storage tank upper portion intercommunication has gas-supply pipe (12), gas-supply pipe (12) outward appearance wall is provided with the air pump, one section fixedly connected with cage (13) of giving vent to anger between interior axle (82) outside and being located two first discs (83), outer axle (81) outward appearance wall just is located the outside of cage (13) and has been offered venthole (14), one end that gas-supply pipe (12) kept away from the gas storage tank runs through interior axle (82) axial core and fixed connection at cage (13) inner wall of giving vent to anger.
3. A laser welding apparatus for a flammable and explosive medium carrying conduit according to claim 1, wherein: the angle adjusting mechanism (4) comprises a mounting plate (41), a mounting shaft (42), an end face gear ring seat (43), a limiting end face gear ring (44) and a pressing wheel (45), the upper end face of the upper seat plate (1) is fixedly connected with the mounting shaft (42), the outer surface wall of the mounting shaft (42) is rotationally connected with two mounting plates (41), the end face gear ring seat (43) is fixedly connected with the upper end face of the mounting plate (41), the end face gear ring seat (43) is sleeved outside the mounting shaft (42), the limiting end face gear ring (44) matched with the end face gear ring seat (43) is sleeved outside the mounting shaft (42), the outer surface walls of the two end face gear rings are fixedly connected with a C-shaped rod (46), the upper portion of the outer surface wall of the mounting shaft (42) is provided with a sliding vertical groove (47), the inner cavity wall of the limiting end face gear ring (44) located on the upper portion of the mounting shaft (42) is fixedly connected with a sliding block (48) arranged inside the sliding vertical groove (47), a reset spring (49) is fixedly connected between the side end face of the sliding vertical groove (47), and the side end faces of the sliding block (48) are fixedly connected with the groove walls of the two side faces of the mounting shaft (42), and the two rotating shafts (45) are connected with the rotating shaft (15) in a mode.
4. A laser welding apparatus for a flammable and explosive medium carrying conduit according to claim 3, wherein: the welding mechanism comprises an upper seat plate (1), wherein a first arc through groove (16) is formed in the upper end face of the upper seat plate (1), a fixing column is fixedly connected to the lower end face of a mounting plate (41), the lower end of the fixing column penetrates through the first arc through groove (16) and is fixedly connected with a connecting frame (17), a welding mechanism (7) comprises a ring frame (72), two ring frames (72) are arranged at the lower parts of the connecting frames (17) in a fixedly connected mode, annular grooves are formed in the end faces of one side, close to each other, of the ring frames (72), a support plate (73) is connected between the annular grooves in a sliding mode, a laser welding head (71) is mounted on the end face, close to the axis of the ring frame (72), of one ring frame (72), a gear is fixedly connected to the outer surface wall of one ring frame (72), one end face, far away from the axis of the ring frame (72), of the support plate (73), of the other ring frame (72), of the ring frame (74) is fixedly connected with a driving motor (74), and an output shaft of the driving motor (74) is fixedly connected with a gear meshed with the gear.
5. A laser welding apparatus for a flammable and explosive medium transport pipe as recited in claim 4, wherein: the mounting frame (61) is close to one side end face of the ring frame (72) and fixedly connected with a transverse plate (18), and the upper end face of the transverse plate (18) and the lower part of the outer surface wall of the ring frame (72) are fixedly connected with a limiting telescopic rod (19) together.
6. A laser welding apparatus for a flammable and explosive medium transport pipe according to claim 5, wherein: the first clamping mechanism (5) comprises a first spring telescopic ejector rod (51), an upper arc clamping piece (52), a second spring telescopic ejector rod (53) and a lower arc clamping piece (54), one side end face of the connecting frame (17) close to the mounting shaft (42) is fixedly connected with the first spring telescopic ejector rod (51) through a cross rod, the lower end of the first spring telescopic ejector rod (51) is fixedly connected with the upper arc clamping piece (52), and the upper end face of the transverse plate (18) is fixedly connected with the lower arc clamping piece (54) through the second spring telescopic ejector rod (53).
7. A laser welding apparatus for a flammable and explosive medium carrying conduit according to claim 1, wherein: the second clamping mechanism (6) comprises a mounting seat (62), a pressing rod (63), an L-shaped rod (64), a pressing frame (65) and an arc plate (66), wherein the upper end surface of the lower seat plate (2) is fixedly connected with an arc slide bar (20) corresponding to the mounting plate (41), the outer sliding connection of the arc slide bar (20) is provided with a sliding plate (21), the mounting frame (61) is fixedly connected with the upper end surface of the sliding plate (21), the upper end surface of the vertical section of the mounting frame (61) is fixedly connected with the mounting seat (62), the upper end surface of the mounting seat (62) is matched with the pressing rod (63) through a sliding seat (22) in a sliding manner, one side end surface of the pressing rod (63) close to the middle of the mounting frame (61) is fixedly connected with the arc plate (66), the side end surface of the pressing rod (63) is provided with a slotted hole, the inner sliding connection of the extrusion block (23), a pressing spring (24) is fixedly connected between the side end surface of the extrusion block (23) and the inner slot wall, the side end surface of the extrusion block (23) is rotationally connected with the pressing frame (65), the upper end surface of the mounting seat (62) is rotationally connected with the pressing rod (64) through a sliding block (64), one side end surface of the L-shaped rod (64) is connected with the upper end surface of the L-shaped rod (64), the utility model discloses a seat board, including upper saddle (1) and mounting panel (41), upper saddle (1) up end has seted up and two second arc logical groove (26) that fixture (6) are corresponding, terminal surface fixedly connected with upstand under mounting panel (41), upstand runs through second arc logical groove (26) and fixedly connected with X shape pole (27), four tip fixedly connected with of X shape pole (27) and square board (28) that L shape pole (64) are corresponding, square board (28) side terminal surface has seted up with extrusion chute (29) of extrusion post (25) matched with.
8. A laser welding apparatus for a flammable and explosive medium carrying conduit according to claim 7, wherein: the middle part of the upper end surface of the mounting frame (61) is fixedly connected with an arc-shaped placing plate (30) through a fixed cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280088.1A CN114654087B (en) | 2022-03-21 | 2022-03-21 | Laser welding equipment for inflammable and explosive medium conveying pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210280088.1A CN114654087B (en) | 2022-03-21 | 2022-03-21 | Laser welding equipment for inflammable and explosive medium conveying pipeline |
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| CN114654087B true CN114654087B (en) | 2023-07-04 |
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| CN116038208B (en) * | 2022-12-07 | 2023-11-14 | 中国建筑第五工程局有限公司 | Steel construction connected node welding set |
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