CN117532158B - Full-automatic laser wire filling welding method - Google Patents
Full-automatic laser wire filling welding method Download PDFInfo
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- CN117532158B CN117532158B CN202410027090.7A CN202410027090A CN117532158B CN 117532158 B CN117532158 B CN 117532158B CN 202410027090 A CN202410027090 A CN 202410027090A CN 117532158 B CN117532158 B CN 117532158B
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- 238000003466 welding Methods 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 149
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 239000000945 filler Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 16
- 239000003921 oil Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
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- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides full-automatic laser filler wire welding equipment and a welding method, wherein the equipment comprises a transmission mechanism, two groups of positioning and feeding mechanisms arranged at two ends of the transmission mechanism, a welding mechanism arranged in the middle of the transmission mechanism and a liquid cargo control console arranged at the outer side of the transmission mechanism; the transmission mechanism comprises a transmission rack, two transmission sliding rails, a plurality of transmission part wedge blocks arranged between the transmission rack and one transmission sliding rail, a sliding block connected with one transmission sliding rail, a carrier plate group connected with the sliding block, a transmission diagonal rack connected with the sliding block, a transmission gear set for driving the transmission diagonal rack to slide along the transmission sliding rail, a transmission motor for driving the transmission gear set to rotate and a positioning sensor arranged below the welding mechanism. The two-piece, three-piece, four-piece, five-piece and six-piece door ring pieces can be welded, and products of the two positioning feeding mechanisms can be welded simultaneously or welded in turn, so that the welding efficiency is improved; and welding wires can be automatically fed, so that the straightness of the sliding rail is convenient to adjust.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to full-automatic laser filler wire welding equipment and a welding method.
Background
In the production process of the stamping door ring piece, a plurality of parts are required to be welded, namely two-piece, three-piece, four-piece, five-piece or six-piece welding equipment is available, only one group of welding guns is needed, and only one product can be welded at a time; secondly, the welding driving mechanism of the existing equipment is driven by a screw rod or a linear motor, and the screw rod is easy to shake in the welding process because of longer length, so that the welding precision is affected; the linear motor has high cost, dust is easy to exist in the welding process, so that the failure rate of the linear motor is high, and the maintenance is difficult; in addition, the straightness accuracy between the existing transmission guide rail and the machine table is inconvenient to adjust, and the use of equipment and the welding precision efficiency are directly affected.
Disclosure of Invention
The invention aims to provide full-automatic laser filler wire welding equipment and a welding method.
In order to solve the technical problems, the invention provides full-automatic laser filler wire welding equipment, which comprises a transmission mechanism, two groups of positioning and feeding mechanisms arranged at two ends of the transmission mechanism, a welding mechanism arranged in the middle of the transmission mechanism and a liquid cargo control console arranged at the outer side of the transmission mechanism;
The transmission mechanism comprises a transmission rack arranged along the X-axis direction, two transmission sliding rails arranged on two sides of the transmission rack, a plurality of transmission part wedge blocks which are all arranged between the transmission rack and the transmission sliding rails, a sliding block connected with one transmission sliding rail, a carrier plate group connected with the sliding block, a transmission diagonal rack connected with the sliding block, a transmission gear set for driving the transmission diagonal rack to slide along the transmission sliding rail, a transmission motor for driving the transmission gear set to rotate and a positioning sensor arranged below the welding mechanism; the two sides of the carrier plate group are respectively in sliding fit with the two transmission sliding rails, the positioning and feeding mechanism is arranged on the carrier plate group, and the transmission motor is arranged below the carrier plate group;
The welding mechanism comprises a portal frame, two groups of X-axis modules arranged on the portal frame, two groups of Y-axis modules respectively in sliding fit with the two groups of X-axis modules, two groups of Z-axis modules respectively in sliding fit with the Y-axis modules, a welding unit respectively arranged at the output end of the Z-axis modules and a wire pushing unit arranged at one side of the welding unit; the welding unit comprises a welding installation seat connected with the output end of the Z-axis module, an L-shaped rotating installation seat connected with the welding installation seat, a rotating installation seat arranged on the L-shaped rotating installation seat, a welding rotating shaft arranged in the rotating installation seat, a first bevel gear arranged at the top of the welding rotating shaft, a second bevel gear meshed with the first bevel gear, a rotating motor for driving the second bevel gear to rotate, a laser gun head arranged at the bottom of the welding rotating shaft and a welding seam detection camera arranged at the outer side of the laser gun head; the wire pushing unit comprises a wire pushing mounting plate, a wire tray arranged on the wire pushing mounting plate, a rear wire pushing machine arranged above the wire tray, a front wire pushing machine arranged on the inner side of the L-shaped rotary mounting seat, a wire guide frame arranged on the Z-axis module, a horizontal mounting support arranged on the lower portion of the laser gun head, a welding seam tracking device arranged at one end of the horizontal mounting support and two groups of wire mouth feeders arranged on the horizontal mounting support, wherein the two groups of wire mouth feeders are respectively arranged on two sides of the laser gun head, and the welding seam tracking device and the two groups of wire mouth feeders can respectively slide along the horizontal mounting support.
Further, the Y-axis module comprises a Y-axis mounting frame, an upper Y-axis guide rail and a lower Y-axis guide rail which are arranged on the Y-axis mounting frame, a Z-axis bottom plate which is in sliding fit with the upper Y-axis guide rail and the lower Y-axis guide rail, a Y-axis inclined rack which is arranged on the inner side of the upper Y-axis guide rail, a Y-axis driving motor which is arranged on the Z-axis bottom plate, and a Y-axis inclined gear set which is arranged at the output end of the Y-axis driving motor and meshed with the Y-axis inclined rack; one side of Z axle bottom plate is provided with the Z axle connecting plate, be provided with a plurality of orientation on the Z axle connecting plate Y axle glib group of Y axle helical gear group oil spout, go up Y axle guide rail with down Y axle guide rail respectively with the equipartition is provided with a plurality of detachable Y axle wedge between the Y axle mounting bracket.
Further, the Z-axis module comprises a Z-axis connecting plate arranged on the Z-axis bottom plate, two Z-axis guide grooves arranged on the Z-axis connecting plate, Z-axis sliding rails respectively arranged in the Z-axis guide grooves, a Z-axis sliding plate connected with the Z-axis sliding rails, a screw rod group arranged on the inner side of the Z-axis sliding plate, a Z-axis top plate arranged on the top of the Z-axis connecting plate and a Z-axis motor arranged on the Z-axis top plate and used for driving the screw rod group to rotate, and the welding installation seat is connected with the Z-axis sliding plate.
Further, the X-axis module comprises an X-axis installation frame, an inner X-axis guide rail and an outer X-axis guide rail which are arranged on the X-axis installation frame, a Y-axis bottom plate which is in sliding fit with the inner X-axis guide rail and the outer X-axis guide rail, an X-axis inclined rack which is arranged on the inner side of the inner X-axis guide rail or the outer X-axis guide rail, an X-axis driving motor which is arranged on the Y-axis bottom plate, and an X-axis inclined gear set which is arranged at the output end of the X-axis driving motor and meshed with the X-axis inclined rack.
Further, a plurality of detachable X-axis wedge blocks are uniformly distributed between the inner X-axis guide rail and the outer X-axis guide rail and the X-axis mounting frame respectively, and the plurality of X-axis wedge blocks and the X-axis diagonal racks are positioned at two sides of the inner X-axis guide rail/the outer X-axis guide rail respectively; one side of the Y-axis bottom plate is provided with a Y-axis connecting plate, and a plurality of X-axis oil nozzle groups which spray oil towards the X-axis bevel gear groups are arranged on the Y-axis connecting plate.
Further, a flange is arranged on the outer side of the transmission rack, the transmission sliding rail is positioned on the inner side of the flange, and a plurality of transmission part wedge blocks are detachably arranged between the flange and the transmission sliding rail respectively; the transmission slide rail is provided with a plurality of mounting holes in a uniformly distributed mode, and the transmission slide rail is connected with the transmission rack through bolts penetrating through the mounting holes.
Further, location feeding mechanism include pay-off bottom plate, central symmetry set up in two first location slide groups and second location slide groups on the pay-off bottom plate, set up in one of them the inboard locating pin group of first location slide group, detachable set up in a plurality of flexible supporting seats on the pay-off bottom plate, set up in location electro-magnet and the seam frock of leaving on first location slide group and the second location slide group, the seam frock of leaving include square baffle main part, set up in grip slipper on the baffle main part and set up in the silicon steel spacer of baffle main part one side, the bottom of baffle main part is provided with the copper bottom plate.
Further, the carrier plate group comprises a downloading plate, an uploading plate and a plurality of supporting plates connected with the uploading plate and the downloading plate, a plurality of through holes are formed in the downloading plate, and a grid structure is arranged on the supporting plates.
Further, a protective gas device is arranged on one side of the laser gun head, the protective gas device blows gas towards the welding position, the blowing angle is 45 degrees with the welding direction, and the flow is 15-25L/min.
The invention also provides a full-automatic laser filler wire welding method, which comprises the full-automatic laser filler wire welding equipment according to any one of the above, and the method comprises the following steps:
S1, feeding door ring pieces to be splice welded by one/two positioning feeding mechanisms;
s2, the transmission mechanism transmits one/two positioning feeding mechanisms to a welding station;
s3, feeding welding wires by a wire pushing unit, and welding door ring pieces of a welding station by a welding unit;
In the step S3, the wire feeding speed of the wire pushing unit is 80-160mm/S, the welding speed of the welding unit is 80-160mm/S, and the wire feeding speed of the wire pushing unit is the same as the welding speed of the welding unit;
Meanwhile, the shielding gas device blows gas towards the welding position, the angle of the blowing shielding gas is 45 degrees with the welding direction, and the flow is 15-25L/min.
According to the full-automatic laser wire filling welding equipment, the positioning and feeding mechanism is used for positioning a product to be welded, namely a door ring piece, the transmission mechanism is used for transmitting the positioning and feeding mechanism forwards, then the welding mechanism is used for welding the product, and two split door ring pieces, three split door ring pieces, four split door ring pieces, five split door ring pieces and six split door ring pieces can be welded, so that the products of the two positioning and feeding mechanisms can be welded at the same time, the products of the two positioning and feeding mechanisms can be welded alternately, and the welding efficiency is improved; the transmission mechanism, the X-axis module, the Y-axis module and the welding unit of the positioning and feeding mechanism are all driven by helical gears, and the positioning and feeding mechanism has the advantages of stable transmission, good meshing performance, large contact ratio, small noise, long service life, low failure rate, convenience in inspection and maintenance and the like, and reduces the influence of manufacturing errors on the transmission; the transmission mechanism, the X-axis module, the Y-axis module and the welding of the positioning and feeding mechanism are all provided with wedge block structures, so that the straightness of the corresponding transmission sliding rail can be conveniently adjusted, and the adjustment is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a fully automatic laser filler wire welding apparatus of the present invention;
FIG. 2 is a schematic diagram of a transmission mechanism of the full-automatic laser filler wire welding device of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial enlarged view at B in FIG. 2;
FIG. 5 is a partial schematic view of a transmission mechanism of the fully automatic laser filler wire welding apparatus of the present invention;
FIG. 6 is a schematic diagram of a welding mechanism of the full-automatic laser filler wire welding apparatus of the present invention;
FIG. 7 is a schematic diagram of an X-axis module of a fully automatic laser filler wire welding apparatus according to the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
FIG. 9 is a partial schematic view of a welding mechanism of the fully automatic laser filler wire welding apparatus of the present invention;
FIG. 10 is a partial enlarged view at D in FIG. 9;
FIG. 11 is a schematic diagram of a welding unit and a wire pushing unit of the full-automatic laser wire filling welding apparatus of the present invention;
FIG. 12 is a schematic view of a welding unit and a wire pushing unit of the full-automatic laser wire filling welding device in another direction;
FIG. 13 is a schematic view of a partial structure of a welding unit of the full-automatic laser filler wire welding apparatus of the present invention;
FIG. 14 is a schematic diagram of a seam-retaining tooling of a welding unit of the full-automatic laser filler wire welding device of the present invention;
FIG. 15 is a schematic diagram of a fully automated laser filler wire welding method according to one embodiment of the invention;
Marked in the figure as:
The transmission mechanism 1, the transmission frame 10, the transmission slide rail 11, the mounting hole 111, the transmission part wedge block 12, the slide block 13, the carrier plate group 14, the downloading plate 141, the uploading plate 142, the supporting plate 143, the grid structure 144, the transmission diagonal rack 15, the transmission gear set 16, the transmission motor 17, the positioning sensor 18, the flange 19,
The positioning feeding mechanism 2, the feeding bottom plate 20, the first positioning sliding table set 21, the second positioning sliding table set 22, the positioning pin set 23, the flexible supporting seat 24, the positioning electromagnet 25, the gap reserving fixture 26, the baffle main body 261, the clamping seat 262, the silicon steel spacer 263, the copper bottom plate 264,
The welding mechanism 3, the gantry 30,
An X-axis module 31, an X-axis mounting frame 310, an inner X-axis guide rail 311, an outer X-axis guide rail 312, a Y-axis bottom plate 313, an X-axis diagonal rack 314, an X-axis driving motor 315, an X-axis diagonal gear set 316, a Y-axis connecting plate 317, an X-axis nipple set 318, an X-axis wedge 319,
Y-axis module 32, Y-axis mounting frame 320, upper Y-axis guide rail 321, lower Y-axis guide rail 322, Z-axis bottom plate 323, Y-axis diagonal rack 324, Y-axis drive motor 325, Y-axis diagonal gear set 326, connecting plate 327, Y-axis nipple set 328, Y-axis wedge 329,
Z-axis module 33, Z-axis connection plate 330, Z-axis guide groove 331, Z-axis slide rail 332, Z-axis slide plate 333, Z-axis motor 334, Z-axis top plate 335,
A welding unit 34, a welding mount 340, an L-shaped rotary mount 341, a rotary mount 342, a welding rotary shaft 343, a first helical gear 344, a second helical gear 345, a rotary motor 346, a laser gun head 347, a weld detecting camera 348,
A wire pushing unit 35, a wire pushing mounting plate 350, a wire tray 351, a rear wire pushing machine 352, a wire guide 353, a horizontal mounting bracket 354, a weld tracking device 355, a wire mouth feeder 356, a front wire pushing machine 357,
A liquid cargo control station 4.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
Referring to fig. 1 to 14, a full-automatic laser filler wire welding device comprises a transmission mechanism 1, two groups of positioning and feeding mechanisms 2 arranged at two ends of the transmission mechanism 1, a welding mechanism 3 arranged in the middle of the transmission mechanism 1, and a liquid cargo control platform 4 arranged outside the transmission mechanism 1. According to the full-automatic laser wire filling welding equipment, the positioning and feeding mechanism 2 positions the products to be welded, namely the door ring pieces, the transmission mechanism 1 transmits the positioning and feeding mechanism 2 forwards, then the welding mechanism 3 welds the products, and the two-piece door ring pieces, the three-piece door ring pieces, the four-piece door ring pieces, the five-piece door ring pieces and the six-piece door ring pieces can be welded, so that the products of the two positioning and feeding mechanisms 2 can be welded at the same time, the products of the two positioning and feeding mechanisms 2 can be welded alternately, and the welding efficiency is improved.
The transmission mechanism 1 comprises a transmission rack 10 arranged along the X-axis direction, two transmission slide rails 11 arranged on two sides of the transmission rack 10, a plurality of transmission part wedge blocks 12 which are arranged between the transmission rack 10 and the transmission slide rails 11, a sliding block 13 connected with one transmission slide rail 11, a carrier plate group 14 connected with the sliding block 13, a transmission diagonal rack 15 connected with the sliding block 13, a transmission gear set 16 for driving the transmission diagonal rack 15 to slide along the transmission slide rails 11, a transmission motor 17 for driving the transmission gear set 16 to rotate and a positioning sensor 18 arranged below the welding mechanism 3. The outer side of the transmission rack 10 is provided with a flange 19, the transmission sliding rail 11 is positioned at the inner side of the flange 19, and a plurality of transmission part wedge blocks 12 are respectively and detachably arranged between the flange 19 and the transmission sliding rail 11; the transmission slide rail 11 comprises a plurality of transmission slide rails 11 which are connected in sequence, a plurality of mounting holes 111 are uniformly distributed on each transmission slide rail 11, and the transmission slide rail 11 is connected with the transmission rack 10 through bolts penetrating through the mounting holes 111. The transmission motor 17 drives the transmission gear set 16 to rotate, drives the transmission gear set 16 to be transmitted along the two transmission sliding rails 11, and stops when being transmitted to the positioning sensor 18, so that welding is facilitated; the transmission bevel rack 15 and the transmission gear set 16 are meshed with each other, the transmission gear set 16 is also a bevel gear, the transmission is stable, the meshing performance is good, the contact ratio is large, the noise is small, the influence of manufacturing errors on the transmission is reduced, the service life is long, the failure rate is low, and the inspection and the maintenance are convenient; a plurality of transmission part wedge blocks 12 are uniformly distributed between the transmission rack 10 and the transmission sliding rail 11, and the straightness of the transmission sliding rail 11 can be adjusted by adjusting the positions and the sizes of the transmission part wedge blocks 12, so that the adjustment is convenient.
The two sides of the carrier plate group 14 are respectively in sliding fit with the two transmission sliding rails 11, the positioning and feeding mechanism 2 is arranged on the carrier plate group 14, and the transmission motor 17 is arranged below the carrier plate group 14; the welding mechanism 3 comprises a portal frame 30, two groups of X-axis modules 31 arranged on the portal frame 30, two groups of Y-axis modules 32 respectively in sliding fit with the two groups of X-axis modules 31, two groups of Z-axis modules 33 respectively in sliding fit with the Y-axis modules 32, a welding unit 34 respectively arranged at the output end of the Z-axis modules 33, and a wire pushing unit 35 arranged at one side of the welding unit 34. The wire pushing unit 35 automatically feeds welding wires to positions to be welded, then the welding unit 34 directly welds products, and the wire feeding speed of the wire pushing unit 35 is the same as the moving speed of the products, so that the stability of the welding effect and the reliability of the welding are ensured.
The welding unit 34 includes a welding mount 340 connected to the output end of the Z-axis module 33, an L-shaped rotating mount 341 connected to the welding mount 340, a rotating mount 342 provided on the L-shaped rotating mount 341, a welding rotating shaft 343 provided in the rotating mount 342, a first bevel gear 344 provided on top of the welding rotating shaft 343, a second bevel gear 345 meshed with the first bevel gear 344, a rotating motor 346 driving the second bevel gear 345 to rotate, a laser gun head 347 provided at the bottom of the welding rotating shaft 343, and a weld detecting camera 348 provided outside the laser gun head 347. The rotating motor 346 drives the second bevel gear 345 to rotate, drives the first bevel gear 344 and the welding rotating shaft 343 to rotate, drives the laser gun head 347 to rotate for welding, and the welding seam detection camera 348 synchronously detects welding seams; the first helical gear 344 and the second helical gear 345 are meshed for transmission, so that the transmission is stable, the meshing performance is good, the contact ratio is large, the noise is small, the influence of manufacturing errors on the transmission is reduced, the influence of dust and dust is avoided, and the failure rate is low.
The wire pushing unit 35 comprises a wire pushing mounting plate 350, a wire tray 351 arranged on the wire pushing mounting plate 350, a rear wire pushing machine 352 arranged above the wire tray 351, a front wire pushing machine 357 arranged on the inner side of the L-shaped rotary mounting seat 341, a wire guide frame 353 arranged on the Z-axis module 33, a horizontal mounting bracket 354 arranged on the lower portion of the laser gun head 347, a welding seam tracking device 355 arranged at one end of the horizontal mounting bracket 354, two groups of wire nozzle feeders 356 arranged on the horizontal mounting bracket 354, wherein the two groups of wire nozzle feeders 356 are respectively arranged on two sides of the laser gun head 347, and the welding seam tracking device 355 and the two groups of wire nozzle feeders 356 can respectively slide along the horizontal mounting bracket 354. The welding wire on the wire tray 351 sequentially passes through the rear wire pushing machine 352, the wire guiding frame 353 and the front wire pushing machine 357, then enters the wire nozzle feeder 356, and is driven by the rear wire pushing machine 352 and the front wire pushing machine 357, so that the stability of wire feeding is ensured; the positions of the weld tracking apparatus 355 and the two sets of filament mouth feeders 356 are adjustable, respectively, and the positions can be adjusted according to the welding requirements of different products and the weld tracking requirements.
The X-axis module 31 includes an X-axis mounting frame 310, an inner X-axis guide rail 311 and an outer X-axis guide rail 312 disposed on the X-axis mounting frame 310, a Y-axis bottom plate 313 slidably engaged with the inner X-axis guide rail 311 and the outer X-axis guide rail 312, an X-axis diagonal rack 314 disposed on the inner side of the inner X-axis guide rail 311 or the outer X-axis guide rail 312, an X-axis driving motor 315 disposed on the Y-axis bottom plate 313, and an X-axis helical gear group 316 disposed at the output end of the X-axis driving motor 315 and engaged with the X-axis diagonal rack 314. The X-axis driving motor 315 drives the X-axis bevel gear set 316 to rotate, and drives the Y-axis bottom plate 313 to slide along the inner X-axis guide rail 311 and the outer X-axis guide rail 312, which has the advantages of stable transmission, good meshing performance, large contact ratio and small noise, and reduces the influence of manufacturing errors on transmission, is not influenced by dust and dust, and has low failure rate.
A plurality of detachable X-axis wedge blocks 319 are uniformly distributed between the inner X-axis guide rail 311 and the outer X-axis guide rail 312 and the X-axis mounting frame 310, and a plurality of the X-axis wedge blocks and the X-axis diagonal racks are respectively positioned at two sides of the inner X-axis guide rail/the outer X-axis guide rail; a Y-axis connecting plate 317 is disposed on one side of the Y-axis bottom plate 313, and a plurality of X-axis oil nozzle groups 318 spraying oil toward the X-axis bevel gear groups 316 are disposed on the Y-axis connecting plate 317. A plurality of transmission part wedge blocks 12 are respectively arranged between the inner X-axis guide rail/the outer X-axis guide rail and the transmission frame 10, and the straightness of the transmission slide rail 11 can be adjusted by adjusting the positions and the sizes of the transmission part wedge blocks 12, so that the adjustment is convenient.
The Y-axis module 32 includes a Y-axis mounting frame 320, an upper Y-axis guide rail 321 and a lower Y-axis guide rail 322 disposed on the Y-axis mounting frame 320, a Z-axis bottom plate 323 slidably engaged with the upper Y-axis guide rail 321 and the lower Y-axis guide rail 322, a Y-axis diagonal rack 324 disposed on the inner side of the upper Y-axis guide rail 321, a Y-axis driving motor 325 disposed on the Z-axis bottom plate 323, and a Y-axis helical gear group 326 disposed at the output end of the Y-axis driving motor 325 and engaged with the Y-axis diagonal rack 324; one side of the Z-axis bottom plate 323 is provided with a Z-axis connecting plate 327, the Z-axis connecting plate 327 is provided with a plurality of Y-axis oil nozzle groups 328 which spray oil towards the Y-axis bevel gear groups 326, and a plurality of detachable Y-axis wedge blocks 329 are uniformly distributed between the upper Y-axis guide rail 321 and the lower Y-axis guide rail 322 and the Y-axis mounting frame 320 respectively. The Y-axis diagonal rack 324 is arranged on the inner side of the upper Y-axis guide rail 321, compared with the Y-axis diagonal rack 324 arranged on the inner side of the lower Y-axis guide rail 322, the Y-axis diagonal rack 324 is arranged to avoid the phenomenon of transmission blocking, and has the advantages of stable transmission, good meshing performance, large overlapping ratio and small noise, meanwhile, the influence of manufacturing errors on transmission is reduced, the influence of dust and dust is avoided, and the failure rate is low.
The Z-axis module 33 includes a Z-axis connection plate 330 disposed on the Z-axis bottom plate 232, two Z-axis guide grooves 331 disposed on the Z-axis connection plate 330, a Z-axis slide rail 332 disposed in the Z-axis guide grooves 331, a Z-axis slide plate 333 connected to the Z-axis slide rail 332, a screw group disposed inside the Z-axis slide plate 333, a Z-axis top plate 335 disposed on the top of the Z-axis connection plate 330, and a Z-axis motor 334 disposed on the Z-axis top plate 335 to drive the screw group to rotate, and the welding mount 340 is connected to the Z-axis slide plate 333.
The positioning and feeding mechanism 2 comprises a feeding bottom plate 20, two first positioning slide table groups 21 and second positioning slide table groups 22 which are arranged on the feeding bottom plate 20 in a central symmetry manner, a positioning pin group 23 arranged on the inner side of one of the first positioning slide table groups 21, a plurality of flexible supporting seats 24 which are detachably arranged on the feeding bottom plate 20, positioning electromagnets 25 and a seam leaving fixture 26 which are arranged on the first positioning slide table groups 21 and the second positioning slide table groups 22, wherein the seam leaving fixture 26 comprises a square partition plate main body 261, a clamping seat 262 arranged on the partition plate main body 261 and a silicon steel spacer 263 arranged on one side of the partition plate main body 261, and a copper bottom plate 264 is arranged at the bottom of the partition plate main body 261. The seam allowance tool 26 may include a plurality of seam allowance tools, which are detachably disposed on the outer side of the transmission frame 10, so as to facilitate operation. The seam allowance tool 26 can be manually used, and plays a role of a spacer when splicing products to be welded, so that gaps among the products are ensured to be within a preset range, and the stability, reliability and appearance of welding are ensured; the copper bottom plate 264 can prevent the seam allowance tool 26 from being absorbed by the positioning electromagnet 25.
The carrier plate group 14 comprises a carrier plate 141, an upper carrier plate 142 and a plurality of support plates 143 connecting the upper carrier plate 142 and the carrier plate 141, wherein a plurality of through holes are formed in the carrier plate 141, and a grid structure 144 is arranged on the support plates 143. The downloading board 141 is provided with a plurality of through holes and the supporting board 143 is provided with a grid structure 144, so that the heat dissipation is facilitated, and the influence of the local overhigh temperature on the service life is avoided.
One side of the laser gun head 347 is provided with a shielding gas device (not shown), the shielding gas device blows gas towards the welding position, the blowing angle is 45 degrees with the welding direction, and the flow is 15-25L/min. And the shielding gas device blows argon towards the welding position to perform welding protection.
The invention also provides a full-automatic laser filler wire welding method, which comprises the full-automatic laser filler wire welding equipment according to any one of the above, and comprises the following steps:
S1, feeding door ring pieces to be splice welded by one/two positioning feeding mechanisms 2; specifically, the product to be welded is a flat steel plate with the thickness of 1-1.8mm, the steel plate to be welded comprises a base material and at least one pure aluminum or aluminum alloy coating on the surface of the base material, the coating comprises an intermetallic compound alloy layer contacted with the base material and a metal alloy layer on the intermetallic compound alloy layer, and the coating of a region to be welded is not removed or thinned. The steel plates are fixed on the positioning feeding mechanism 2 respectively, and preset gaps are reserved between the parts to be welded through the gap reserving tool 26, wherein the width of the gaps can be 0.15-0.2mm.
S2, the transmission mechanism 1 transmits one/two positioning and feeding mechanisms 2 to a welding station; specifically, the welding station is located below the welding unit 34.
S3, feeding welding wires by a wire pushing unit 35, and welding door ring pieces of a welding station by a welding unit 34;
In step S3, the wire feeding speed of the wire pushing unit is 80-160mm/S, the welding speed of the welding unit is 80-160mm/S, and the wire feeding speed of the wire pushing unit 35 is the same as the welding speed of the welding unit 34; the wire feeding speed 35 of the wire pushing unit is the same as the welding speed of the welding unit 34, so that the speed of the welding wire is consistent with that of the laser welding, the welding effect is ensured, and insufficient or excessive welding wire does not occur. As a preferred embodiment of the present invention, the welding speed of the welding unit 34 may be 80mm/s, or 120mm/s, or 160mm/s, or any speed between 80 and 160mm/s, at which the tensile strength of the welded product is high, when the product is a high strength steel plate, the tensile strength after hot stamping is 1200MPa to 1600MPa, when the product is a low strength steel plate, the tensile strength after hot stamping is 300MPa to 600MPa, when the product is an equal strength steel plate, the tensile strength of the weld is greater than the strength of the steel plate base metal after stamping, when the product is a poor strength steel plate, the tensile strength of the weld is greater than the strength of the low strength steel plate base metal, and the elongation of the welded joint is > 4%.
As a preferred embodiment of the present invention, the wire diameter is 1-1.2mm and the heating current of the nozzle feeder 356 is 50-150A. The welding wire comprises the following components in percentage by weight: 0.1% of C, 0.9% to 0.9% of Si, 0.2% to 0.5% of Cr, 1.6% to 2.1% of P which is less than or equal to 0.015% of M, less than or equal to 0.015% of S, 1.8% to 2.3% of Ni, 0.45% to 0.7% of Mo, 0.3% of VS, 0.07% of Cu, and the balance of Fe and unavoidable impurities.
Meanwhile, the shielding gas device blows gas towards the welding position, the angle of the blowing shielding gas is 45 degrees with the welding direction, and the flow is 15-25L/min. Specifically, the shielding gas is high-purity argon with the concentration of 99.99 percent, and the gas supply pipe is 45 degrees in the welding direction.
The full-automatic laser filler wire welding method is used for welding, and the full-automatic laser filler wire welding equipment is used for welding operation, so that two split door ring pieces, three split door ring pieces, four split door ring pieces, five split door ring pieces and six split door ring pieces can be welded; the welding efficiency is improved by welding the products of the two positioning and feeding mechanisms 2 at the same time or alternatively welding the products of the two positioning and feeding mechanisms 2.
The above examples are provided for illustrating the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the contents of the present invention and to implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (1)
1. A full-automatic laser filler wire welding method is characterized in that: the method comprises the following steps of:
S1, feeding door ring pieces to be splice welded by one/two positioning feeding mechanisms;
s2, the transmission mechanism transmits one/two positioning feeding mechanisms to a welding station;
s3, feeding welding wires by a wire pushing unit, and welding door ring pieces of a welding station by a welding unit;
In the step S3, the wire feeding speed of the wire pushing unit is 80-160mm/S, the welding speed of the welding unit is 80-160mm/S, and the wire feeding speed of the wire pushing unit is the same as the welding speed of the welding unit;
meanwhile, the shielding gas device blows shielding gas towards the welding position, the angle of the blowing shielding gas is 45 degrees with the welding direction, and the flow is 15-25L/min;
The full-automatic laser wire filling welding equipment comprises a transmission mechanism, two groups of positioning and feeding mechanisms arranged at two ends of the transmission mechanism, a welding mechanism arranged in the middle of the transmission mechanism and a liquid cargo control console arranged at the outer side of the transmission mechanism;
The transmission mechanism comprises a transmission rack arranged along the X-axis direction, two transmission sliding rails arranged on two sides of the transmission rack, a plurality of transmission part wedge blocks which are all arranged between the transmission rack and the transmission sliding rails, a sliding block connected with one transmission sliding rail, a carrier plate group connected with the sliding block, a transmission diagonal rack connected with the sliding block, a transmission gear set for driving the transmission diagonal rack to slide along the transmission sliding rail, a transmission motor for driving the transmission gear set to rotate and a positioning sensor arranged below the welding mechanism; the two sides of the carrier plate group are respectively in sliding fit with the two transmission sliding rails, the positioning and feeding mechanism is arranged on the carrier plate group, and the transmission motor is arranged below the carrier plate group;
The welding mechanism comprises a portal frame, two groups of X-axis modules arranged on the portal frame, two groups of Y-axis modules respectively in sliding fit with the two groups of X-axis modules, two groups of Z-axis modules respectively in sliding fit with the Y-axis modules, a welding unit respectively arranged at the output end of the Z-axis modules and a wire pushing unit arranged at one side of the welding unit; the welding unit comprises a welding installation seat connected with the output end of the Z-axis module, an L-shaped rotating installation seat connected with the welding installation seat, a rotating installation seat arranged on the L-shaped rotating installation seat, a welding rotating shaft arranged in the rotating installation seat, a first bevel gear arranged at the top of the welding rotating shaft, a second bevel gear meshed with the first bevel gear, a rotating motor for driving the second bevel gear to rotate, a laser gun head arranged at the bottom of the welding rotating shaft and a welding seam detection camera arranged at the outer side of the laser gun head; the wire pushing unit comprises a wire pushing mounting plate, a wire tray arranged on the wire pushing mounting plate, a rear wire pushing machine arranged above the wire tray, a front wire pushing machine arranged on the inner side of the L-shaped rotary mounting seat, a wire guide frame arranged on the Z-axis module, a horizontal mounting bracket arranged on the lower part of the laser gun head, a welding seam tracking device arranged at one end of the horizontal mounting bracket and two groups of wire mouth feeders arranged on the horizontal mounting bracket, wherein the two groups of wire mouth feeders are respectively positioned on two sides of the laser gun head, and the welding seam tracking device and the two groups of wire mouth feeders can respectively slide along the horizontal mounting bracket;
The Y-axis module comprises a Y-axis mounting frame, an upper Y-axis guide rail and a lower Y-axis guide rail which are arranged on the Y-axis mounting frame, a Z-axis bottom plate which is in sliding fit with the upper Y-axis guide rail and the lower Y-axis guide rail, a Y-axis inclined rack which is arranged on the inner side of the upper Y-axis guide rail, a Y-axis driving motor which is arranged on the Z-axis bottom plate, and a Y-axis inclined gear set which is arranged at the output end of the Y-axis driving motor and meshed with the Y-axis inclined rack; a Z-axis connecting plate is arranged on one side of the Z-axis bottom plate, a plurality of Y-axis oil nozzle groups for injecting oil towards the Y-axis bevel gear groups are arranged on the Z-axis connecting plate, and a plurality of detachable Y-axis wedge blocks are uniformly distributed between the upper Y-axis guide rail and the lower Y-axis guide rail and the Y-axis mounting frame respectively;
The Z-axis module comprises a Z-axis connecting plate arranged on the Z-axis bottom plate, two Z-axis guide grooves arranged on the Z-axis connecting plate, Z-axis sliding rails respectively arranged in the Z-axis guide grooves, a Z-axis sliding plate connected with the Z-axis sliding rails, a screw rod group arranged on the inner side of the Z-axis sliding plate, a Z-axis top plate arranged on the top of the Z-axis connecting plate and a Z-axis motor arranged on the Z-axis top plate and used for driving the screw rod group to rotate, and the welding installation seat is connected with the Z-axis sliding plate;
The X-axis module comprises an X-axis mounting frame, an inner X-axis guide rail and an outer X-axis guide rail which are arranged on the X-axis mounting frame, a Y-axis bottom plate which is in sliding fit with the inner X-axis guide rail and the outer X-axis guide rail, an X-axis inclined rack which is arranged on the inner side of the inner X-axis guide rail or the outer X-axis guide rail, an X-axis driving motor which is arranged on the Y-axis bottom plate, and an X-axis inclined gear set which is arranged at the output end of the X-axis driving motor and meshed with the X-axis inclined rack;
A plurality of detachable X-axis wedge blocks are uniformly distributed between the inner X-axis guide rail and the outer X-axis guide rail and the X-axis mounting frame respectively, and the plurality of X-axis wedge blocks and the X-axis diagonal racks are positioned on two sides of the inner X-axis guide rail/the outer X-axis guide rail respectively; one side of the Y-axis bottom plate is provided with a Y-axis connecting plate, and the Y-axis connecting plate is provided with a plurality of X-axis oil nozzle groups which spray oil towards the X-axis bevel gear groups;
The outer side of the transmission rack is provided with a flange, the transmission sliding rail is positioned at the inner side of the flange, and a plurality of transmission part wedge blocks are detachably arranged between the flange and the transmission sliding rail respectively; the transmission sliding rail comprises a plurality of transmission sliding rails which are sequentially connected, a plurality of mounting holes are uniformly distributed on each transmission sliding rail, and the transmission sliding rail is connected with the transmission rack through bolts penetrating through the mounting holes;
The positioning and feeding mechanism comprises a feeding bottom plate, two first positioning slide table groups and second positioning slide table groups which are arranged on the feeding bottom plate in a central symmetry manner, a positioning pin group arranged on the inner side of one of the first positioning slide table groups, a plurality of flexible supporting seats which are detachably arranged on the feeding bottom plate, positioning electromagnets arranged on the first positioning slide table groups and the second positioning slide table groups and a seam reserving tool, wherein the seam reserving tool comprises a square baffle main body, a clamping seat arranged on the baffle main body and a silicon steel spacer arranged on one side of the baffle main body, and a copper bottom plate is arranged at the bottom of the baffle main body;
The support plate group comprises a download plate, an upper support plate and a plurality of support plates for connecting the upper support plate and the download plate, wherein a plurality of through holes are formed in the download plate, and a grid structure is arranged on the support plates;
One side of the laser gun head is provided with a protective gas device, the protective gas device blows gas towards a welding position, the blowing angle is 45 degrees with the welding direction, and the flow is 15-25L/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410027090.7A CN117532158B (en) | 2024-01-09 | 2024-01-09 | Full-automatic laser wire filling welding method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410027090.7A CN117532158B (en) | 2024-01-09 | 2024-01-09 | Full-automatic laser wire filling welding method |
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| CN117532158B true CN117532158B (en) | 2024-04-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112215A (en) * | 2016-08-26 | 2016-11-16 | 济南时代新纪元科技有限公司 | A kind of planer type numerical control splice joint special plane |
| CN110238553A (en) * | 2019-06-28 | 2019-09-17 | 昆山宝锦激光拼焊有限公司 | A kind of skylight Splicing welding machine |
| CN220093383U (en) * | 2023-06-02 | 2023-11-28 | 昆山宝锦激光拼焊有限公司 | Double-gantry door ring welding machine |
-
2024
- 2024-01-09 CN CN202410027090.7A patent/CN117532158B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112215A (en) * | 2016-08-26 | 2016-11-16 | 济南时代新纪元科技有限公司 | A kind of planer type numerical control splice joint special plane |
| CN110238553A (en) * | 2019-06-28 | 2019-09-17 | 昆山宝锦激光拼焊有限公司 | A kind of skylight Splicing welding machine |
| CN220093383U (en) * | 2023-06-02 | 2023-11-28 | 昆山宝锦激光拼焊有限公司 | Double-gantry door ring welding machine |
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| Publication number | Publication date |
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| CN117532158A (en) | 2024-02-09 |
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