CN117464134B - Streamline flat steel box girder welding equipment and processing method thereof - Google Patents
Streamline flat steel box girder welding equipment and processing method thereof Download PDFInfo
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- CN117464134B CN117464134B CN202311807076.0A CN202311807076A CN117464134B CN 117464134 B CN117464134 B CN 117464134B CN 202311807076 A CN202311807076 A CN 202311807076A CN 117464134 B CN117464134 B CN 117464134B
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- 238000003466 welding Methods 0.000 title claims abstract description 171
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 19
- 239000010959 steel Substances 0.000 title claims abstract description 19
- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/095—Monitoring or automatic control of welding parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The application relates to the technical field of welding equipment, and discloses streamline flat steel box girder welding equipment and a processing method thereof.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to streamline flat steel box girder welding equipment and a processing method thereof.
Background
The flat steel box girder is formed by connecting plates such as a top plate, a bottom plate, a diaphragm plate, a longitudinal diaphragm plate and the like in a full-welding mode, compared with other steel box girders, the streamline flat steel box girder has the advantages of light and attractive structure, small height of the girder, small windward area, large torsional rigidity of the section and good wind resistance stability, the bridge span and the full-bridge manufacturing cost can be reduced due to light dead weight, the bridge with the west gate and the highway and the railway is used as a bridge of a ship and a bridge of a ship expressway complex line crossing a west gate and a highway, jin Tangdao and a booklet island are connected, the bridge girder is composed of three streamline flat boxes, the highway and the railway is arranged in a flat layer, the middle box passes through the railway, and the two side boxes pass through the highway.
The steel box girder mainly adopts an annular layout in the production flow of a manufacturing base: the method comprises the steps of blanking and finish machining raw materials through a digital part machining center, enabling the raw materials to flow into a plate unit production workshop and a rod piece manufacturing workshop respectively to manufacture single elements, enabling the raw materials to flow into a general assembly workshop to be spliced and welded into large sections, finally transferring the large sections to a spraying workshop to perform sand blasting and coating to manufacture large-section components, wherein welding is a key process in manufacturing and installing the steel box girder, a steel box girder bottom plate unit mainly comprises a panel, a U rib and a T-shaped toothed plate, during welding, assembling the steel box girder bottom plate unit through a positioning machine, and then welding through a carbon dioxide gas shielded welder in a matched mode, wherein the anti-deformation jig can drive the panel and the U rib to incline to a certain angle to form ship-shaped welding, and before the ship-shaped welding is formed, the panel and the U rib are required to be additionally provided with a large-strength fixing component or are required to be pre-welded and fixed in advance, and the U rib and the panel are required to be integrally transferred, so that the operation process is complicated.
Disclosure of Invention
The invention provides streamline flat steel box girder welding equipment and a processing method thereof, which aim to solve the problems that the prior streamline flat steel box girder welding equipment is relatively difficult to fix and complicated to operate when in ship type welding between a panel and a U rib during use.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The streamline flat steel box girder welding equipment comprises a total bottom plate and a track bottom plate, wherein the track bottom plate is symmetrically arranged at the top end of the total bottom plate, transverse screw rod assemblies are arranged on the track bottom plate, a linear slide rail is fixed on the inner side of each transverse screw rod assembly, a slide block is arranged on the linear slide rail in a sliding manner, a servo motor III is arranged on one side of each slide block, connecting plates are fixed on the top surfaces of the two slide blocks, the outer sides of the connecting plates are fixedly connected with the output ends of the transverse screw rod assemblies and are used for transversely moving the connecting plates, a supporting frame is fixed on the top surfaces of the two connecting plates, a longitudinal screw rod assembly is arranged on the top surface of the supporting frame, a servo motor I is arranged on one side of the longitudinal screw rod assembly, a supporting rod is fixed at the output end of the longitudinal screw rod assembly and is used for longitudinally moving the supporting rod, and a welding gun is carried on the supporting rod;
A motor bracket is fixed at one end of the support rod, which is far away from the longitudinal screw rod assembly, a second servo motor is arranged on the motor bracket, a rotating rod is fixed at the output end of the second servo motor, and a welding gun clamping piece is fixed at the side surface of the rotating rod and used for fixing a welding gun;
An inverse deformation jig is arranged above the total bottom plate between the two track bottom plates, servo hydraulic cylinders I are symmetrically arranged on two sides of the bottom surface of the inverse deformation jig, the bottom surface of each servo hydraulic cylinder I is arranged on the top surface of the total bottom plate, a connector is fixed at the output end of each servo hydraulic cylinder I, and the connectors are rotationally connected with the bottom surface of the inverse deformation jig through a hinge shaft;
the welding gun is characterized in that a fixing frame is arranged on the top surface of one side of the reverse deformation jig close to the welding gun clamping piece, supporting blocks are fixed on the side surfaces of the reverse deformation jigs below the two fixing frames, a second servo hydraulic cylinder is arranged at the bottom end of each supporting block, the output end of the second servo hydraulic cylinder is fixed on the bottom surface of the fixing frame, an assembling plate is arranged on the bottom surface of the fixing frame above the reverse deformation jig, and a plurality of positioning rubber sleeves are fixed on one surface of the assembling plate facing the reverse deformation jig at equal intervals.
Further, the width between two track bottom plates is greater than the width of the anti-deformation jig frame, the supporting rods are arranged in an L shape, the length of each supporting rod is greater than the length of the U rib and the length of the panel, the rotating rods are arranged in an L shape, and the length of each supporting rod is equal to one half of the length of the anti-deformation jig frame.
Further, the transverse screw rod assembly and the longitudinal screw rod assembly are composed of screw rods, screw rod nuts and a sliding rail box, the screw rods are connected with the inside of the sliding rail box in a rotating mode through bearings, the screw rod nuts are movably matched with the screw rod, the screw rod nuts are arranged on the outer wall of the screw rod in a matched mode, and one end of each screw rod is fixedly connected with an output shaft of the servo motor III or the servo motor I.
Further, the support rod on the side of the motor support is rotatably sleeved with the rotating ring, the bottom surface of the rotating ring is fixed with the fixing rod, one side, close to the welding gun clamping piece, of the fixing rod is fixed with the detection rod clamping piece, the detection rod is used for fixing the detection rod, the miniature industrial camera is installed at the detection section of the detection rod, and the miniature industrial camera is externally connected with the control terminal and provides a welding surface state signal.
Further, a plurality of wire body clamp splice is fixed with to bracing piece side surface equidistance, and has seted up in the wire body clamp splice with electric wire complex arc draw-in groove, the height of the horizontal segment of bracing piece and motor support, servo motor two, dwang, welder holder, swivel becket, detection stick holder, wire body clamp splice and dead lever height all are less than the inside height of U rib.
Further, welder holder includes fixed sleeve, interior clamp splice and fixing screw, fixed sleeve side is fixed on the dwang surface, the inside slip of fixed sleeve is provided with interior clamp splice, and interior clamp splice lateral surface is connected with fixing screw through the bearing rotation, fixing screw passes through screw hole and fixed sleeve threaded connection.
Further, the locating plate is arranged above the reverse deformation jig on the outer side of the fixing frame, a plurality of fixing columns are fixed on the side face of the locating plate at equal intervals, the other ends of the fixing columns are fixed on the side face of the reverse deformation jig, and the height from the top face of each fixing column to the reverse deformation jig is equal to the sum of the heights of the U ribs and the panel.
Further, the structure of detection stick holder is the same with the structure constitution of welder holder, fixed cover inside offered with welder complex jack, detection stick holder inside offered with detection stick complex jack, the light is installed to the one end of carrying miniature industrial camera of detection stick.
Further, a processing method of streamline flat steel box girder welding equipment comprises the following steps:
S1, before welding, a reverse deformation jig is kept horizontal, a welding gun and a detection rod are respectively inserted into a welding gun clamping piece and a detection rod clamping piece, a fixing screw is rotated to drive an inner clamping block to clamp and fix the welding gun and the detection rod, a wiring clamp is fixed in the wire clamping block, a U-shaped rib and a panel are arranged on the surface of the reverse deformation jig through assembly of a positioning machine, positioning assembly is carried out through a positioning assembly, a second servo hydraulic cylinder is opened after assembly, the second servo hydraulic cylinder operates to push a fixing frame to move upwards to continuously push the assembled U-shaped rib and panel, the U-shaped rib is abutted to the side face of a positioning plate, the second servo hydraulic cylinder operates to pull the fixing frame to move downwards, and the fixing frame moves downwards to drive an assembly plate to clamp and abut to the top face of the U-shaped rib, so that the U-shaped rib and the panel are fixed;
S2, after the U-shaped rib and the panel are fixed, the first longitudinal screw rod assembly and the first servo motor are operated to drive the supporting rod to move to be aligned with one side inner joint surface in the U-shaped rib, the second servo motor is operated to drive the rotating rod to rotate, namely the welding gun is driven to rotate through the welding gun clamping piece, so that the welding head faces one side inner joint surface in the U-shaped rib, and at the moment, the first four servo hydraulic cylinders are operated to drive the reverse deformation jig frame to move upwards to be contacted with one side inner joint surface in the U-shaped rib;
S3, the transverse screw rod assembly and the servo motor III are operated after contact, the supporting rod is driven to move towards the inside of the U rib through the supporting frame, a welding gun welds and fixes one side of the inside of the U rib with the inscribed surface of the panel in the moving process, after one side of the welding gun is welded, the servo motor II is operated to drive the welding gun to rotate through the rotating rod, so that the welding gun is aligned with the inscribed surface of the other side of the inside of the U rib, the transverse screw rod assembly and the servo motor III are operated again to weld the other side of the inside of the U rib with the inscribed surface of the panel, and meanwhile, the supporting rod is moved out of the inside of the U rib;
S4, after the support rod moves out of the U rib, the first servo hydraulic cylinder operates to drive the reverse deformation jig to descend, the first longitudinal screw rod assembly and the first servo motor operate to drive the support rod to translate and move to the external connection surface between one side of the U rib and the panel, at the moment, the second servo motor operates again to drive the rotating rod to rotate, the welding gun can be driven to rotate through the welding gun clamping piece, so that the welding joint faces the external connection surface between one side of the U rib and the panel, at the moment, the first servo hydraulic cylinders at two sides operate simultaneously to drive the reverse deformation jig to ascend, and the ascending progress of the first servo hydraulic cylinder at one side is greater than that of the other side, so that the reverse deformation jig can incline until the welding joint contacts with the welding joint of the welding gun, and ship-shaped welding is formed;
S4, after tilting, the transverse screw rod assembly and the servo motor III run again, the support rod is driven to move continuously to weld the external connection surface of one side of the U rib and the panel, and during return, the longitudinal screw rod assembly, the servo motor I and the servo motor II are matched, a welding gun is adjusted, and the other side of the U rib and the external connection surface of the panel are welded;
S6, in the whole welding process, the welding gun continuously moves forwards after welding, then the detection rod moves along with the welding gun to be in contact with the welding surface, when the detection rod is in contact with the welding surface with perfect welding, the miniature industrial camera on the detection rod transmits picture signals to the control terminal, the detection surface is observed in real time, and when the welding gun clamping piece is driven by the rotating rod to rotate, the welding gun clamping piece is driven by the connecting rod to rotate along with the rotating rod, and at the moment, the orientation of the welding gun is always the same as that of the detection rod.
And S7, after welding is finished, the second servo hydraulic cylinder operates to push the fixing frame to move upwards, so that the fixing frame is used for fixing and releasing the U-shaped ribs and the panel, and the panel is linearly pushed out from the anti-deformation jig by the positioning assembly.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, through the cooperation of the transverse screw rod assembly, the longitudinal screw rod assembly, the supporting rod, the reverse deformation jig and the first servo hydraulic cylinder, when welding, the panel and the inner side of the U rib are subjected to flat welding when the reverse deformation jig is horizontal, the inner side is fixed through flat welding, and then the reverse deformation jig is inclined through the first servo hydraulic cylinder, so that the ship-shaped welding is performed on the outer sides of the panel and the U rib, and the inner flat welding mode is adopted, the mutual movement between the U rib and the panel when the reverse deformation jig is inclined is avoided, the independent fixing of the panel and the U rib is not needed, the fixing requirement during welding is reduced, and the transfer procedure of the U rib and the panel during welding is reduced, so that the welding is simpler and more convenient.
2. According to the invention, through the matching of the reverse deformation jig frame, the first servo hydraulic cylinder and the connector, the positions of two welding modes between the panel and the U rib during welding can be met, and under the matching of the longitudinal screw rod assembly and the second servo motor, a flat position and ship position step-by-step double-sided welding process can be realized between the U rib and the panel, namely, the horizontal position station inner welding is performed firstly, the ship position outer welding is performed, the double-sided welding is realized, the toe end of the outer welding seam is smoothly transited, and the welding quality is improved.
3. According to the invention, the rotating ring, the detection rod clamping piece and the connecting rod are matched, after welding of the welding gun is completed, the detection rod loaded in the detection rod clamping piece can detect the welding surface along with the detection rod, and whether the welding surface is complete or not can be checked under the action of the miniature industrial camera on the detection rod, so that the welding surface can be adjusted in time, and the welding quality of welding equipment is further improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a first perspective of a welding apparatus according to one embodiment of the present application;
FIG. 2 is a schematic view of a second perspective of the welding apparatus of the embodiment of FIG. 1;
FIG. 3 is a schematic view of a third perspective of the welding apparatus of the embodiment of FIG. 1;
FIG. 4 is a schematic view of the support pole of the embodiment of FIG. 1 from a first perspective;
FIG. 5 is a schematic view of a second perspective view of the support pole of the embodiment of FIG. 1;
Fig. 6 is a schematic perspective view of the welding gun holder according to the embodiment shown in fig. 1.
Meaning of reference numerals in the drawings: 1. a general base plate; 2. a track bottom plate; 3. a transverse screw assembly; 4. a linear slide rail; 5. a slide block; 6. a connecting plate; 7. a support frame; 8. a longitudinal screw assembly; 9. a servo motor I; 10. a support rod; 11. a motor bracket; 12. a servo motor II; 13. a rotating lever; 14. a welding gun clamping member; 141. a fixed sleeve; 142. an inner clamping block; 143. a fixed screw; 15. a rotating ring; 16. detecting a rod clamping piece; 17. a connecting rod; 18. a wire body clamping block; 19. a fixed rod; 20. a reverse deformation jig frame; 21. a first servo hydraulic cylinder; 22. a connector; 23. a positioning plate; 24. fixing the column; 25. a fixing frame; 26. a support block; 27. a servo hydraulic cylinder II; 28. assembling plates; 29. positioning the rubber sleeve; 30. and a servo motor III.
Detailed Description
In order to make the application object, feature and advantage of the present application more obvious and understandable, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 to 6, a streamline flat steel box girder welding apparatus and a processing method thereof, comprising a total bottom plate 1 and a track bottom plate 2, wherein the track bottom plate 2 is symmetrically installed at the top end of the total bottom plate 1, and the track bottom plate 2 is provided with transverse screw assemblies 3, the inner side of each transverse screw assembly 3 is fixedly provided with a linear slide rail 4, the linear slide rail 4 is provided with a slide block 5 in a sliding way, one side of each slide block 5 is provided with a servo motor three 30, the top surfaces of the two slide blocks 5 are fixedly provided with connecting plates 6, the outer sides of the connecting plates 6 are fixedly connected with the output end of the transverse screw assemblies 3 for transversely moving the connecting plates 6, the top surfaces of the two connecting plates 6 are fixedly provided with a supporting frame 7, the top surface of the supporting frame 7 is provided with a longitudinal screw assembly 8, one side of the longitudinal screw assembly 8 is provided with a servo motor one 9, the transverse screw assembly 3 and the longitudinal screw assembly 8 are composed of a screw rod, a screw nut and a slide rail box, the screw rod is rotationally connected with the inside of the slide rail box through a bearing, a screw rod nut is movably matched with the outer wall of the screw rod, one end of the screw rod is fixedly connected with an output shaft of a servo motor III 30 or a servo motor I9, a support rod 10 is fixed at the output end of a longitudinal screw rod assembly 8 and used for longitudinally moving the support rod 10, the support rod 10 is in an L shape, the length of the support rod 10 is larger than that of a U rib and a panel, the length of the support rod 10 is equal to one half of the length of a reverse deformation jig 20, a welding gun is carried on the support rod 10, a plurality of wire clamping blocks 18 are fixed on the side surface of the support rod 10 at equal intervals, arc clamping grooves matched with wires are formed in the wire clamping blocks 18, and the height of the horizontal section of the support rod 10, a motor bracket 11, a servo motor II 12, a rotating rod 13, a welding gun clamping piece 14, a rotating ring 15 and a detection rod clamping piece 16 are arranged on the support rod The heights of the wire body clamping blocks 18 and the fixing rods 19 are smaller than the height of the inside of the U-shaped ribs;
The end, far away from the longitudinal screw rod assembly 8, of the supporting rod 10 is fixedly provided with a motor bracket 11, the motor bracket 11 is provided with a second servo motor 12, the output end of the second servo motor 12 is fixedly provided with a rotating rod 13, the rotating rod 13 is L-shaped, the side surface of the rotating rod 13 is fixedly provided with a welding gun clamping piece 14, the welding gun clamping piece 14 is used for fixing a welding gun and comprises a fixing sleeve 141, an inner clamping block 142 and a fixing screw 143, the side surface of the fixing sleeve 141 is fixed on the outer surface of the rotating rod 13, the inner clamping block 142 is arranged in the fixing sleeve 141 in a sliding manner, the outer side surface of the inner clamping block 142 is rotationally connected with the fixing screw 143 through a bearing, and the fixing screw 143 is in threaded connection with the fixing sleeve 141 through a threaded hole;
an anti-deformation jig 20 is arranged above the total base plate 1 between the two track base plates 2, the width between the two track base plates 2 is larger than the width of the anti-deformation jig 20, servo hydraulic cylinders I21 are symmetrically arranged on two sides of the bottom surface of the anti-deformation jig 20, the bottom surface of each servo hydraulic cylinder I21 is arranged on the top surface of the total base plate 1, a connector 22 is fixed at the output end of each servo hydraulic cylinder I21, and the connectors 22 are rotationally connected with the bottom surface of the anti-deformation jig 20 through hinge shafts.
Specifically, before welding, after the U-shaped rib and the panel are fixed, the longitudinal screw rod assembly 8 and the first servo motor 9 are operated, the supporting rod 10 is driven to move to be aligned with one side of the interior of the U-shaped rib, the second servo motor 12 is operated, the rotating rod 13 is driven to rotate, namely, the welding gun is driven to rotate through the welding gun clamping piece 14, so that a welded welding head faces one side of the interior of the U-shaped rib, at the moment, the first four servo hydraulic cylinders 21 are operated, the anti-deformation jig 20 is driven to move upwards, the welding gun is moved upwards to be contacted with one side of the interior of the U-shaped rib, the transverse screw rod assembly 3 and the third servo motor 30 are operated after the contact, the supporting rod 10 is driven to move towards the interior of the U-shaped rib through the supporting frame 7, the welding gun is driven to weld one side of the interior of the U-shaped rib and the inner side of the panel, after one side welding is completed, the second servo motor 12 is driven to rotate through the rotating rod 13, so that the other side of the interior of the U-shaped rib is welded with the inner side of the panel, and the third servo motor 30 is operated again to weld the other side of the interior of the U-shaped rib, and the inner side of the panel;
After the supporting rod 10 moves out of the U rib, the first servo hydraulic cylinder 21 moves to drive the reverse deformation jig 20 to descend, the first longitudinal screw rod assembly 8 and the first servo motor 9 move to drive the supporting rod 10 to translate to the external connection surface of one side of the U rib and the panel, at the moment, the second servo motor 12 moves again to drive the rotating rod 13 to rotate, the welding gun clamping piece 14 can drive the welding gun to rotate, the welding joint faces the external connection surface of one side of the U rib and the panel, the first servo hydraulic cylinders 21 on the two sides move simultaneously to drive the reverse deformation jig 20 to ascend, the first servo hydraulic cylinder 21 on one side is lifted to be greater than the lifting process on the other side, the reverse deformation jig 20 can be inclined until the welding joint of the welding gun is contacted, ship-shaped welding is formed, after the inclination, the third transverse screw rod assembly 3 and the third servo motor 30 move again to drive the supporting rod 10 to move to weld the external connection surface of one side of the U rib and the panel, during return, the first longitudinal screw rod assembly 8, the first servo motor 9 and the second servo motor 12 are matched, the welding gun is adjusted, the external connection surface of the other side of the U rib and the panel is welded, the detection rod clamping piece 16 and the detection rod clamping piece 14 are matched with the welding gun, the detection rod 141 is matched with the detection rod 16, and the detection rod is provided with the jack.
As an optimization scheme, a rotating ring 15 is sleeved on a supporting rod 10 on the side edge of a motor bracket 11 in a rotating way, a fixing rod 19 is fixed on the bottom surface of the rotating ring 15, a detecting rod clamping piece 16 is fixed on one side, close to a welding gun clamping piece 14, of the fixing rod 19 and used for fixing a detecting rod, a miniature industrial camera is installed on a detecting section of the detecting rod, a miniature industrial camera is externally connected with a control terminal and provides a welding surface state signal, the detecting rod clamping piece 16 and the welding gun clamping piece 14 are identical in structural composition, jacks matched with the welding gun are formed in the fixing sleeve 141, jacks matched with the detecting rod are formed in the detecting rod clamping piece 16, and an illuminating lamp is installed at one end of the detecting rod, carrying the miniature industrial camera.
Specifically, in the whole welding process, the welding gun continuously moves forward after welding, then the detection rod moves along with the welding gun to contact with the welding surface, when the detection rod contacts with the welding surface with perfect welding, the miniature industrial camera on the detection rod transmits picture signals to the control terminal, the detection surface is observed in real time, and when the welding gun clamping piece 14 is driven to rotate by the rotating rod 13, the connecting rod 17 drives the detection rod clamping piece 16 to rotate along with the rotation, and at the moment, the orientation of the welding gun is always the same as that of the detection rod.
As a further optimization scheme, a fixing frame 25 is arranged on the top surface of one side of the reverse deformation jig 20, which is close to the welding gun clamping piece 14, supporting blocks 26 are fixed on the side surfaces of the reverse deformation jig 20 below the two fixing frames 25, a second servo hydraulic cylinder 27 is arranged at the bottom end of each supporting block 26, the output end of the second servo hydraulic cylinder 27 is fixed on the bottom surface of the fixing frame 25, an assembling plate 28 is arranged on the bottom surface of the fixing frame 25 above the reverse deformation jig 20, a plurality of positioning rubber sleeves 29 are fixed on one surface of the assembling plate 28 facing the reverse deformation jig 20 at equal intervals, a positioning plate 23 is arranged on the upper side of the reverse deformation jig 20 outside the fixing frame 25, a plurality of fixing columns 24 are fixed on the side surfaces of the positioning plate 23 at equal intervals, and the other ends of the fixing columns 24 are fixed on the side surfaces of the reverse deformation jig 20, and the height between the top surfaces of the fixing columns 24 and the reverse deformation jig 20 is equal to the sum of the heights of U ribs and the panels.
Specifically, before welding, the reverse deformation jig 20 is kept horizontal, the welding gun and the detection rod are respectively inserted into the welding gun clamping piece 14 and the detection rod clamping piece 16, the fixing screw 143 is rotated to drive the inner clamping block 142 to clamp and fix the welding gun and the detection rod, the wiring clamp is fixed inside the wire clamping block 18, the U-shaped rib and the panel are arranged on the surface of the reverse deformation jig 20 through the assembly of the positioning machine, the positioning assembly is carried out, the second servo hydraulic cylinder 27 is opened after the assembly, the second servo hydraulic cylinder 27 operates to push the fixing frame 25 to move upwards, the assembled U-shaped rib and panel are continuously pushed, the U-shaped rib is abutted to the side face of the positioning plate 23, the second servo hydraulic cylinder 27 operates to pull the fixing frame 25 to move downwards, and the fixing frame 25 moves downwards to drive the assembly plate 28 to be abutted to the top face of the U-shaped rib, and the panel are fixed.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (3)
1. A processing method of streamline flat steel box girder welding equipment comprises a total base plate (1) and a track base plate (2), and is characterized in that: the welding gun comprises a main bottom plate (1), a track bottom plate (2) is symmetrically arranged at the top end of the main bottom plate (1), transverse screw assemblies (3) are arranged on the track bottom plate (2), a linear slide rail (4) is fixed on the inner side of each transverse screw assembly (3), a sliding block (5) is arranged on each linear slide rail (4) in a sliding mode, a servo motor three (30) is arranged on one side of each transverse screw assembly (3), a connecting plate (6) is fixed on the top surface of each sliding block (5), the outer sides of the connecting plates (6) are fixedly connected with the output ends of the transverse screw assemblies (3) and used for transversely moving the connecting plates (6), a supporting frame (7) is fixed on the top surface of each connecting plate (6), a longitudinal screw assembly (8) is arranged on the top surface of each supporting frame (7), a first servo motor (9) is arranged on one side of each longitudinal screw assembly (8), a supporting rod (10) is fixed on the output end of each longitudinal screw assembly (8) and is used for longitudinally moving the supporting rods (10);
One end of the supporting rod (10) far away from the longitudinal screw rod assembly (8) is fixed with a motor bracket (11), the motor bracket (11) is provided with a second servo motor (12), the output end of the second servo motor (12) is fixed with a rotating rod (13), and the side surface of the rotating rod (13) is fixed with a welding gun clamping piece (14) for fixing a welding gun;
An inverse deformation jig frame (20) is arranged above the total base plate (1) between the two track base plates (2), servo hydraulic cylinders I (21) are symmetrically arranged on two sides of the bottom surface of the inverse deformation jig frame (20), the bottom surface of each servo hydraulic cylinder I (21) is arranged on the top surface of the total base plate (1), a connector (22) is fixed at the output end of each servo hydraulic cylinder I (21), and the connectors (22) are rotationally connected with the bottom surface of the inverse deformation jig frame (20) through a hinge shaft;
The welding gun comprises a welding gun clamping piece (14), a welding gun positioning device and a welding gun positioning device, wherein a fixing frame (25) is arranged on the top surface of one side of the welding gun clamping piece (14) of the anti-deformation jig (20), supporting blocks (26) are fixed on the side surfaces of the anti-deformation jig (20) below the two fixing frames (25), a servo hydraulic cylinder II (27) is arranged at the bottom end of each supporting block (26), the output end of each servo hydraulic cylinder II (27) is fixed on the bottom surface of the fixing frame (25), an assembling plate is arranged on the bottom surface of the fixing frame (25) above the anti-deformation jig (20), and a plurality of positioning rubber sleeves are fixed on one surface of the assembling plate facing the anti-deformation jig at equal intervals;
A rotating ring (15) is sleeved on a supporting rod (10) at the side edge of the motor bracket (11) in a rotating way, a fixed rod (19) is fixed on the bottom surface of the rotating ring (15), a detection rod clamping piece (16) is fixed on one side, close to the welding gun clamping piece (14), of the fixed rod (19) and used for fixing a detection rod, a miniature industrial camera is installed at the detection section of the detection rod, and the miniature industrial camera is externally connected with a control terminal and provides a welding surface state signal;
A plurality of wire body clamping blocks (18) are fixed on the side surface of the support rod (10) at equal intervals, arc clamping grooves matched with electric wires are formed in the wire body clamping blocks (18), and the heights of the horizontal section of the support rod (10), the motor bracket (11), the second servo motor (12), the rotating rod (13), the welding gun clamping piece (14), the rotating ring (15), the detecting rod clamping piece (16), the wire body clamping blocks (18) and the fixing rod (19) are smaller than the heights of the inside of the U ribs;
The welding gun clamping piece (14) comprises a fixed sleeve (141), an inner clamping block (142) and a fixed screw (143), wherein the side surface of the fixed sleeve (141) is fixed on the outer surface of the rotating rod (13), the inner clamping block (142) is arranged in the fixed sleeve (141) in a sliding manner, the outer side surface of the inner clamping block (142) is rotationally connected with the fixed screw (143) through a bearing, and the fixed screw (143) is in threaded connection with the fixed sleeve (141) through a threaded hole;
A positioning plate (23) is arranged above the reverse deformation jig frame (20) on the outer side of the fixing frame (25), a plurality of fixing columns (24) are fixed on the side surface of the positioning plate (23) at equal intervals, one ends of the fixing columns (24) far away from the positioning plate (23) are fixed on the side surface of the reverse deformation jig frame (20), and the height from the top surface of the fixing columns (24) to the reverse deformation jig frame (20) is equal to the sum of the heights of the U ribs and the panel;
The structure of the detection rod clamping piece (16) is the same as that of the welding gun clamping piece (14), a jack matched with a welding gun is formed in the fixing sleeve (141) of the welding gun clamping piece (14), a jack matched with a detection rod is formed in the detection rod clamping piece (16), and a lighting lamp is mounted at one end of the detection rod, on which the miniature industrial camera is mounted;
The processing method of the welding equipment comprises the following steps:
S1, before welding, a reverse deformation jig frame (20) is kept horizontal, a welding gun and a detection rod are respectively inserted into a welding gun clamping piece (14) and a detection rod clamping piece (16), a fixing screw (143) is rotated to drive an inner clamping block (142) to clamp and fix the welding gun and the detection rod, a wiring clamp is fixed in a wire clamping block (18), a U-shaped rib and a panel are arranged on the surface of the reverse deformation jig frame (20) through a positioning assembly, positioning assembly is carried out, a second servo hydraulic cylinder (27) is opened after the assembly, the second servo hydraulic cylinder (27) operates to push a fixing frame (25) to move upwards, the assembled U-shaped rib and panel are continuously pushed, the U-shaped rib is abutted to the side surface of a positioning plate (23), the second servo hydraulic cylinder (27) operates to pull the fixing frame (25) to move downwards, and the fixing frame (25) is driven to be clamped and abutted to the top surface of the U-shaped rib, and the panel are fixed;
S2, after the U-shaped rib and the panel are fixed, a longitudinal screw rod assembly (8) and a first servo motor (9) operate to drive a supporting rod (10) to move to be aligned with one side inner joint surface in the U-shaped rib, a second servo motor (12) operates to drive a rotating rod (13) to rotate, namely a welding gun can be driven to rotate through a welding gun clamping piece (14), so that a welding joint of welding faces one side inner joint surface in the U-shaped rib, at the moment, four first servo hydraulic cylinders (21) operate to drive a reverse deformation jig frame (20) to move upwards, and the welding gun moves upwards to be in contact with one side inner joint surface in the U-shaped rib;
S3, the transverse screw rod assembly (3) and the servo motor III (30) are operated after being contacted, the supporting rod (10) is driven to move towards the inside of the U rib through the supporting frame (7), a welding gun welds and fixes one side of the inside of the U rib with the inscribed surface of the panel in the moving process, after one side of the welding gun is welded, the servo motor II (12) is operated to drive the welding gun to rotate through the rotating rod (13) so as to align with the inscribed surface of the other side of the inside of the U rib, and the transverse screw rod assembly (3) and the servo motor III (30) are operated again to weld the other side of the inside of the U rib with the inscribed surface of the panel, and meanwhile, the supporting rod (10) is moved out of the inside of the U rib;
S4, after the support rod (10) moves out of the U rib, the first servo hydraulic cylinder (21) operates to drive the reverse deformation jig (20) to descend, the longitudinal screw rod assembly (8) and the first servo motor (9) operate to drive the support rod (10) to translate to the external surface of one side of the U rib and the panel, at the moment, the second servo motor (12) operates again to drive the rotating rod (13) to rotate, namely, the welding gun can be driven to rotate through the welding gun clamping piece (14), so that the welding head faces the external surface of one side of the U rib and the panel, at the moment, the first servo hydraulic cylinders (21) at two sides operate simultaneously to drive the reverse deformation jig (20) to ascend, and the ascending progress of the first servo hydraulic cylinder (21) at one side is greater than that of the other side, so that the reverse deformation jig (20) can incline until the welding head contacts with the welding head of the welding gun to form ship-shaped welding;
S5, after tilting, the transverse screw rod assembly (3) and the servo motor III (30) run again, the support rod (10) is driven to move continuously to weld one side of the U rib with the external surface of the panel, and during return stroke, the longitudinal screw rod assembly (8), the servo motor I (9) and the servo motor II (12) are matched, a welding gun is adjusted, and the other side of the U rib is welded with the external surface of the panel;
S6, in the whole welding process, the welding gun continuously moves forwards after welding, then the detection rod moves along with the welding gun to be in contact with a welding surface, when the detection rod is in contact with the welding surface with good welding, a miniature industrial camera on the detection rod transmits a picture signal to a control terminal to observe the detection surface in real time, and when the welding gun clamping piece (14) is driven to rotate by the rotating rod (13), the connecting rod (17) drives the detection rod clamping piece (16) to rotate along with the welding gun, and at the moment, the orientation of the welding gun is always the same as that of the detection rod;
and S7, after welding is finished, the second servo hydraulic cylinder (27) operates to push the fixing frame (25) to move upwards, so that the fixing frame (25) is used for fixing and releasing the U-shaped ribs and the panel, and the panel is linearly pushed out from the reverse deformation jig (20) by the positioning assembly.
2. The method for processing the streamline flat steel box girder welding equipment according to claim 1, wherein: the width between two track bottom plates (2) is greater than the width of the anti-deformation jig frame (20), the support rods (10) are arranged in an L shape, the length of each support rod (10) is greater than the length of each U rib and each panel, the rotating rods (13) are arranged in an L shape, and the length of each support rod (10) is equal to one half of the length of the anti-deformation jig frame (20).
3. The method for processing the streamline flat steel box girder welding equipment according to claim 1, wherein: the transverse screw rod assembly (3) and the longitudinal screw rod assembly (8) are composed of a screw rod, a screw rod nut and a sliding rail box, the screw rod is connected with the inside of the sliding rail box in a rotating mode through a bearing, the screw rod nut is movably matched with the screw rod, the screw rod is arranged on the outer wall of the screw rod, and one end of the screw rod is fixedly connected with an output shaft of a servo motor III (30) or a servo motor I (9).
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