CN112589467B - Pickling titanium plate welding device and welding process thereof - Google Patents
Pickling titanium plate welding device and welding process thereof Download PDFInfo
- Publication number
- CN112589467B CN112589467B CN202011571687.6A CN202011571687A CN112589467B CN 112589467 B CN112589467 B CN 112589467B CN 202011571687 A CN202011571687 A CN 202011571687A CN 112589467 B CN112589467 B CN 112589467B
- Authority
- CN
- China
- Prior art keywords
- welding
- fixed
- plate
- bracket
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 249
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000010936 titanium Substances 0.000 title claims abstract description 117
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005554 pickling Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 169
- 238000005520 cutting process Methods 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 45
- 239000003921 oil Substances 0.000 claims description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 34
- 239000010949 copper Substances 0.000 claims description 34
- 229910052802 copper Inorganic materials 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 27
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 239000010730 cutting oil Substances 0.000 claims description 11
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a welding device for a pickling titanium plate, which comprises a rack, a jacking mechanism, a welding mechanism, a bracket, a guide table, a cutting mechanism, a conveying mechanism, a flattening mechanism and a flaw detection mechanism, wherein the jacking mechanism is arranged on the rack; the jacking mechanism, the welding mechanism and the flaw detection mechanism are fixed on the rack, and the flaw detection mechanism is positioned on one side of the welding mechanism; the guide table is positioned on one side of the frame, and the bracket is fixed on the guide table; the cutting mechanism, the conveying mechanism and the flattening mechanism are fixed on the bracket, and the flattening mechanism is positioned on one side of the cutting mechanism; the conveying mechanism is positioned below the cutting mechanism; the flaw detection mechanism comprises a flaw detector operating console, a fourth motor, a second guide shaft, a screw II, a third fixing block, a fifth motor, a spline sleeve, a probe and a fourth fixing block. According to the invention, the wire feeder is improved to smoothly feed wires, so that the phenomenon of wire clamping is reduced, the welding process is smoother, the welding seam of the pedal is firmer, and the phenomenon of cracking or fracture of the welding seam is avoided.
Description
Technical Field
The invention belongs to the technical field of acid pickling welding of titanium plates, and particularly relates to an acid pickling titanium plate welding device and a welding process thereof.
Background
The existing titanium plate production line generally uses an automatic welding machine during butt welding, which not only is convenient and rapid, but also improves the production efficiency, but also has the following problems in the using process;
1) during welding, the wire feeder is easy to have wire clamping or lengthy welding wire phenomenon;
2) because the welding wire is easy to clamp and block, the automatic welding machine is provided with more single welding positions, and the efficiency is lower during welding;
3) when the titanium plate is pickled, a plurality of titanium plates are required to be welded together to form a titanium plate with hundreds of meters or hundreds of meters for pickling, and then the titanium plate is divided into winding rolls after pickling is finished; in the process, the phenomenon that the welding line is cracked or even broken in the pickling and transmission process of the titanium plate due to the infirm welding often occurs, so that the pickling is interrupted to influence the production.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a welding device and a welding process for a pickling titanium plate, wherein a wire feeder is improved to smoothly feed wires, so that the phenomenon of wire clamping is reduced, and the welding is smoother; the welding process enables the welding seam of the pedal to be firmer and avoids the phenomenon of cracking or breaking of the welding seam.
In order to achieve the purpose, the invention adopts the technical scheme that:
a welding device for a pickling titanium plate comprises a rack, a jacking mechanism, a welding mechanism, a bracket, a guide table, a cutting mechanism, a conveying mechanism, a flattening mechanism and a flaw detection mechanism; the jacking mechanism, the welding mechanism and the flaw detection mechanism are fixed on the rack, and the flaw detection mechanism is positioned on one side of the welding mechanism; the guide table is positioned on one side of the frame, and the bracket is fixed on the guide table; the cutting mechanism, the conveying mechanism and the flattening mechanism are fixed on the bracket, and the flattening mechanism is positioned on one side of the cutting mechanism; the conveying mechanism is positioned below the cutting mechanism.
The rack comprises a front bracket and a rear bracket; the rear bracket is provided with a guide rail, a supporting plate and a chain block, and the guide rail is provided with a rack; the supporting plate is fixed on the top of the rear support; one end of the chain is fixed on the supporting plate through a bolt.
The jacking mechanism comprises a first oil cylinder, a supporting plate and a group of pressing plates; two ends of the supporting plate are fixed on the frame; the first oil cylinder is fixed on the supporting plate; one of the pressing plates is fixedly connected with the first oil cylinder jacking shaft, the other pressing plate is fixed on the rack, and the two pressing plates correspond to each other up and down.
The welding mechanism comprises a first fixing plate, a wire feeder, a second oil cylinder, a second fixing block, a welding gun, a first motor and a pipeline, wherein the pipeline comprises pipelines and circuits such as an argon hose, a wire feeding guide pipe and the like, and the pipeline is arranged in the chain block to prevent winding when moving; the first fixing plate is provided with a guide groove, and the guide groove is fixed on the guide rail and movably connected with the guide rail; the first motor is fixed on the first fixing plate, a reduction gearbox is arranged at the shaft end of the first motor, and a gear is arranged on an output shaft of the reduction gearbox and is meshed with a rack on the guide rail; the wire feeder is fixed at the top of the first fixing plate, and a wire coil on the wire feeder is fixed above the wire feeder; the second oil cylinder is fixed on the first fixing plate and is positioned below the wire feeder; the second fixing block is fixed at the end part of the top shaft of the second oil cylinder; and the welding gun is fixed on the second fixing block.
The wire feeder comprises a wire feeding wheel, a welding wire guide nozzle, a pressing wheel frame, a first screw, an ejection mechanism, a third motor and a support sleeve; two groups of wire feeding wheels and one group of welding wire guide nozzles are arranged in the wire feeder; each group of wire feeding wheels comprises two wire feeding wheels which are corresponding to each other in the upper and lower positions, and the wire feeding wheel at the lower part is fixed on the shell of the wire feeder through a rotating shaft; the group of welding wire guide nozzles comprises two independent welding wire guide nozzles which are respectively fixed on two sides of the two groups of wire feeding wheels; the welding wire passes through a gap between the welding wire guide nozzle and the two wire feeding wheels; the third motor is connected with the wire feeding wheel through a conventional belt connecting mode to drive the wire feeding wheel to rotate for feeding wires.
The wire feeding wheel frame is triangular, one end of the wire feeding wheel frame is fixed on the shell of the wire feeder through a rotating shaft, and the other end of the wire feeding wheel frame is movably connected with the wire feeding wheel above each group of wire feeding wheels through a pin shaft; the first screw is fixed on the shell of the wire feeder through a fixed seat, and one end of the first screw is provided with a thread while the other end is provided with a reverse thread; the first screw rod is provided with a group of supporting sleeves which are respectively and movably connected with the first screw rod through forward and reverse threads; the supporting sleeve is provided with a supporting arm which is movably connected with each other through a pin shaft, and the other end of the supporting arm is movably connected with one end of the pressure wheel frame through a pin shaft; the ejection mechanism is positioned between the two wire feeding wheels and comprises an ejection wheel, a first fixed block and a second screw rod; the second screw rod passes through the first fixed block and is fixed on the wire feeder shell through the first fixed block to be positioned below the two wire feeding wheels, and one end of the second screw rod is movably connected with the ejection wheel through a pin shaft and a connecting plate.
A through groove is formed in the bottom of the bracket, and a top plate is arranged at one end of the through groove; one end of the bracket is provided with a connecting arm which is fixedly connected with the electrode holder; one end of the electrode holder is provided with a third motor, and the shaft end of the third motor is provided with a bevel gear; the top of the electrode seat is provided with a through groove and a copper electrode, and the copper electrode is arranged in the through groove; a lead screw I and a worm are arranged in the through groove, the bottom of the lead screw I is movably connected with an electrode base through a bearing, and the top of the lead screw I is movably connected with the bottom of a copper electrode through threads; a worm wheel is arranged on the screw rod I; two ends of the worm are fixed on the electrode seat through the fixed seat; one end of the worm is provided with a bevel gear and is meshed with a bevel gear at the shaft end of the third motor; the worm is meshed with the worm wheel; the third motor provides power to drive the worm to rotate, so that the worm wheel and the lead screw I are driven to rotate, the copper electrode is pushed to ascend or descend through the lead screw I, and the distance between the copper electrode and the titanium plate is adjusted according to welding requirements.
A third oil cylinder is arranged in the guide table; one end of the third oil cylinder is fixed at one end of the guide table, and the other end of the third oil cylinder is fixed on a top plate in a through groove at the bottom of the bracket.
The cutting mechanism comprises a cutting oil cylinder, a connecting plate, a triangular bracket, a top column, a first fixed seat, a cutter holder, a cutting blade and a cushion seat; the cutting oil cylinder is fixed at the top of the bracket through a fixed shaft; the cutting oil cylinder top shaft is movably connected with the connecting plate through a connecting seat and a rotating shaft; two ends of the connecting plate are respectively connected with one end of the triangular bracket through rotating shafts; one end of the triangular support is fixed on the bracket through a first fixed seat and a rotating shaft, and the other end of the triangular support is movably connected with one end of the top column through a rotating shaft; the top column is movably connected with the bracket through a column sleeve; one end of the top column is fixedly connected with a cutter holder, and the cutter blade is fixed on the cutter holder through a bolt; the cushion seat is fixed on the bracket and positioned below the tool apron.
The conveying mechanism comprises a conveying belt, a supporting frame and a second motor; the support frame is fixed on the bracket and is positioned at one end of the cushion seat; one end of the supporting frame is fixed at the position 1/3-2/3 of the cushion seat, and the conveyor belt is fixed on the supporting frame; the second motor is fixed at the other end of the support frame.
The flaw detection mechanism comprises a flaw detector operating console, a fourth motor, a second guide shaft, a screw II, a third fixing block, a fifth motor, a spline sleeve, a probe and a fourth fixing block; the flaw detector operating table and the fourth motor are fixed on one side of the rack; the flaw detector operating platform is connected with the probe through a line and is used for operating the probe to detect flaws, and a bevel gear is arranged at the shaft end of the fourth motor; two ends of the second guide shaft and two ends of the screw II are fixed on one side of the rack through a fixed seat, and one end of the screw II is provided with a bevel gear and is meshed with a bevel gear at the end of a fourth motor shaft; the third fixing block is movably connected with a second guide shaft and a lead screw II through a through hole and a threaded hole; the fifth motor is fixed at the bottom of the third fixed block, and a gear is arranged at the shaft end of the fifth motor.
A second fixing plate is arranged on one side of the third fixing block; one end of the second fixing plate is provided with a second fixing frame; the spline sleeve is fixed on the second fixing frame through a bearing; the spline sleeve is provided with a gear and is connected with a fifth motor shaft end gear through a chain; an adjusting screw rod is arranged on the fourth fixed block, and an adjusting nut is arranged on the adjusting screw rod; the flaw detection probe is fixed at the bottom end of the adjusting screw; one side of the fourth fixed block is provided with a fixed sleeve, a third guide shaft and a screw rod III; one end of the third guide shaft penetrates through the second fixing plate and is movably connected with the second fixing plate through the through hole; one end of the screw rod III is movably connected with the fixed sleeve through a bearing, and the other end of the screw rod III is movably connected with a second fixed plate through threads; the other end of the screw rod III is provided with a spline and is movably connected with a spline sleeve.
The flattening mechanism comprises a first fixing frame, a first guide shaft, a second fixing seat, a limiting screw rod, a spring and a pressing wheel; the first fixing frame is fixed on the bracket; one end of the first guide shaft and one end of the limiting screw rod penetrate through the first fixing frame, a top plate is arranged on the first guide shaft, and a limiting nut is arranged on the limiting screw rod; the second fixed seat is fixed at the other ends of the first guide shaft and the limiting screw rod; the pinch roller is fixed on the second fixed seat; the spring is sleeved with the first guide shaft, one end of the spring is in contact with the top plate, and the other end of the spring is in contact with the bracket; trimming and flattening the welding line by pushing the first guide shaft and the pinch roller through the spring; the maximum height of the pressing wheel is adjusted by rotating the limiting nut; when welding is finished, the third oil cylinder pushes the bracket to drive the flattening mechanism to flatten weld beading, so that the power transmission roller is prevented from slipping or being damaged during transmission.
Preferably, a screwing handle is arranged on the second fixing block; the bottom of the first fixing plate is provided with a position of the auxiliary guide rail corresponding to the fixing block, the fixing block is provided with a guide groove, and the auxiliary guide rail is movably connected with the guide groove.
A welding process for acid-washing titanium plates comprises the following specific steps:
1) and (3) titanium plate transmission: conveying two titanium plates to be butted to a set position by conveying mechanisms on two sides of the welding mechanism respectively to prepare for cutting:
2) fixing: respectively fixing and firmly pressing the two titanium plates through a top pressing mechanism to prepare for cutting;
3) cutting: pushing the bracket to enter between the front bracket and the rear bracket through a third oil cylinder, and then cutting the titanium plate to be welded and butted through a cutting mechanism to enable the butted interfaces to be flush;
4) alignment: the transmission mechanisms on the two sides of the rack control the two titanium plates to butt joint the welding port according to requirements, so that the welding port meets the welding requirement, and then the pressing mechanism presses the welding port firmly;
wherein, the welding gap of the titanium plate with the thickness of 3.0-5.0mm on the operation side is 50-70% of the thickness of the plate; the welding gap at the opposite side of the operation side is set to be 75-85% of the thickness of the plate; the welding gap of the titanium plate with the thickness of 5.0-8.0mm on the operation side is set to be 55-65% of the thickness of the plate; the welding gap at the opposite side of the operation side is 40-60% of the thickness of the plate;
5) welding: welding the two titanium plates by an automatic welding machine;
the welding speed of the titanium plate with the thickness of 3.0-5.0mm is 0.8-0.9 m/min; the current is 235 +/-10A; the diameter of the welding wire is 0.85-1.1 mm; the wire feeding speed is 7-10 m/min; adjusting the height of the copper electrode to be 18-26mm, and enabling the distance between the copper electrode and the welded titanium plate to be 0-5 mm;
the welding speed of the titanium plate with the thickness of 5.0-8.0mm is 0.4-0.6 m/min; the current is 280 +/-10A; the diameter of the welding wire is 1.2-1.4 mm; the wire feeding speed is 5-7 m/min; adjusting the height of the copper electrode to be 15-20mm, and enabling the distance between the copper electrode and the welded titanium plate to be 5-10 mm;
when the titanium plate is welded, the argon flow is increased to 18-23L/min, the welding nozzle and the welding seam are kept on the same straight line by the aid of the welding machine which runs on the guide rail, and the deviation of the full-length straightness is kept within 0.35-0.6 mm;
6) flaw detection of welding seams: carrying out online flaw detection by a weld joint flaw detector, and detecting the conditions of cracks, inclusions, air holes, incomplete penetration, incomplete fusion and the like; after the detection is qualified, the welding line is renovated and flattened through a flattening mechanism, then the next step is carried out, if the detection is unqualified, the step 3) is returned to cut the unqualified welding line, and then the welding line is re-welded according to the process sequence;
7) reset transmission: the welding mechanism and the jacking mechanism reset; and then the transmission mechanism conveys the titanium plate.
Compared with the prior art, the invention has the beneficial effects that:
1) the device is provided with a group of welding mechanisms, and the left side and the right side of the machine frame can be welded simultaneously during welding; the welding efficiency is improved; the welding mechanism ensures that the welding work can be continued when one group of welding mechanisms fails;
2) a pinch roller frame and an ejection mechanism are arranged in the wire feeder; the pressing wheel frame can enable the wire feeding to be smooth by adjusting the gap between the wire feeding wheels so as to reduce the winding of the welding wire; when the wire winding or the lengthy condition still inevitably occurs after the adjustment of the pressing wheel frame, the welding wire between the two wire feeding wheels can be pushed to be tensioned upwards through the ejection mechanism, and the occurrence of the lengthy and wire winding condition is further reduced;
3) the conveying mechanism is arranged in the titanium plate cutting machine, so that the cut titanium plate waste can be automatically conveyed to one side to be collected, and the process of manually collecting the titanium plate waste one by one is avoided;
4) according to the process, the improvement of the wire feeder and the corresponding setting of the height of the copper electrode are combined, so that the welding process is more stable and smooth, and the condition that the welding seam is cracked or broken in the transmission process is avoided.
Drawings
FIG. 1 is a first structural schematic diagram of a pickling titanium plate welding device of the invention;
FIG. 2 is a schematic structural diagram II of a titanium plate pickling welding device according to the present invention;
FIG. 3 is a schematic view of a welding mechanism in the structure of the welding device for pickling titanium plates of the invention;
FIG. 4 is a schematic view of the bottom structure of a bracket in the structure of a welding device for pickling titanium plates according to the present invention;
FIG. 5 is a schematic view of the internal structure of a wire feeder in the structure of the welding device for pickling titanium plates of the present invention;
FIG. 6 is a schematic diagram of an electrode holder structure in a welding device structure for pickling titanium plates according to the present invention;
FIG. 7 is a first structural schematic diagram of a flaw detection mechanism in the structure of the welding device for pickling titanium plates;
FIG. 8 is a structural schematic diagram II of a flaw detection mechanism in the structure of the acid-washing titanium plate welding device;
FIG. 9 is a schematic structural diagram of a flattening mechanism in the structure of the welding device for pickling titanium plates of the present invention;
in the figure: 1. a frame; 11. a front bracket; 12. a rear bracket; 121. a guide rail; 1211. a rack; 122. a supporting plate; 123. chain arrangement; 2. a jacking mechanism; 21. a first cylinder; 22. pressing a plate; 23. a support plate; 3. a welding mechanism; 31. a first fixing plate; 32. a wire feeder; 321. a wire feeding wheel; 322. welding wires; 323. a welding wire guide nozzle; 324. a pressure wheel frame; 3241. a rotating shaft; 325. a first screw; 326. an ejection mechanism; 3261. an ejection wheel; 3262. a first fixed block; 3263. a second screw; 327. a third motor; 328. a support sleeve; 3281. a support arm; 329. wire coils; 33. a second cylinder; 34. a second fixed block; 35. a welding gun; 36. a first motor; 37. an auxiliary guide rail; 38. a pipeline; 39. screwing the handle; 4. a bracket; 41. a connecting arm; 42. an electrode holder; 421. a through groove; 422. a copper electrode; 423. a third motor; 424. a screw I; 425. a worm; 426. a worm gear; 43. a through groove; 44. a top plate; 5. a guide table; 51. a third oil cylinder; 6. a cutting mechanism; 61. cutting the oil cylinder; 62. a connecting plate; 63. a triangular bracket; 64. a top pillar; 65. a first fixed seat; 67. a tool apron; 68. cutting a blade; 69. a pad seat; 7. a transport mechanism; 71. a conveyor belt; 72. a support frame; 73. a second motor; 8. a titanium plate; 9. a flattening mechanism; 91. a first fixing frame; 92. a first guide shaft; 921. a top plate; 93. a second fixed seat; 94. a limit screw; 941. a limit nut; 95. a spring; 96. a pinch roller; 10. a flaw detection mechanism; 101. a flaw detector operating console; 102. a fourth motor; 103. a second guide shaft; 104. a screw II; 105. a third fixed block; 1051. a second fixing plate; 1052. a second fixing frame; 106. a fifth motor; 107. a spline housing; 108. a probe; 109. a fourth fixed block; 1091. adjusting the screw rod; 1092. adjusting the nut; 1093. a third guide shaft; 1094. fixing a sleeve; 1095. and a screw mandrel III.
Detailed Description
For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 9.
A welding device for acid-washing titanium plates comprises a rack 1, a jacking mechanism 2, a welding mechanism 3, a bracket 4, a guide table 5, a cutting mechanism 6, a conveying mechanism 7, a flattening mechanism 9 and a flaw detection mechanism 10; the jacking mechanism 2, the welding mechanism 3 and the flaw detection mechanism 10 are fixed on the frame 1, and the flaw detection mechanism 10 is positioned on one side of the welding mechanism 3; the guide table 5 is positioned at one side of the frame 1, and the bracket 4 is fixed on the guide table 5; the cutting mechanism 6, the conveying mechanism 7 and the flattening mechanism 9 are fixed on the bracket 4, and the flattening mechanism 9 is positioned at one side of the cutting mechanism 6; the conveying mechanism 7 is located below the cutting mechanism 6.
The frame 1 comprises a front bracket 11 and a rear bracket 12; the rear bracket 12 is provided with a guide rail 121, a supporting plate 122 and a chain 123, and the guide rail 121 is provided with a rack 1211; bracing plate 122 is fixed on top of rear bracket 12; one end of the chain 123 is fixed on the supporting plate 122 through a bolt.
The jacking mechanism 2 comprises a first oil cylinder 21, a supporting plate 23 and a group of pressing plates 22; two ends of the supporting plate 23 are fixed on the frame 1; the first oil cylinder 21 is fixed on the support plate 23; one of the pressing plates 22 is fixedly connected with the top shaft of the first oil cylinder 21, the other pressing plate 22 is fixed on the frame 1, and the two pressing plates 22 are vertically corresponding; the pressing plate 22 is pushed by the first oil cylinder 21 to press and fix the titanium plate 8.
The welding mechanism 3 comprises a first fixing plate 31, a wire feeder 32, a second oil cylinder 33, a second fixing block 34, a welding gun 35, a first motor 36 and a pipeline 38, wherein the pipeline 38 comprises pipelines and circuits such as an argon hose, a wire feeding conduit and the like, and the pipeline 38 is arranged in the chain bank 123 to prevent winding during movement; the first fixing plate 31 is provided with a guide groove, and fixed on the guide rail 121 through the guide groove and movably connected with each other; the first motor 36 is fixed on the first fixing plate 31, a reduction gearbox is arranged at the shaft end of the first motor 36, a gear is arranged on an output shaft of the reduction gearbox and is meshed with a rack 1211 on the guide rail 121, and the first fixing plate 31 is driven to move left and right along the guide rail 121 by the first motor 36; the wire feeder 32 is fixed on the top of the first fixing plate 31, and a wire coil 329 on the wire feeder 32 is fixed above the wire feeder 32; the second oil cylinder 33 is fixed on the first fixing plate 31 and is positioned below the wire feeder 32; the second fixed block 34 is fixed at the end part of the top shaft of the second oil cylinder 33; the welding gun 35 is fixed on the second fixing block 34, the second fixing block 34 and the welding gun 35 are pushed by the second oil cylinder 33 to move up and down, the welding gun 35 is pushed down during welding, and the welding gun 35 is recovered after welding.
The wire feeder 32 comprises a wire feeding wheel 321, a welding wire 322, a welding wire guide nozzle 323, a pinch roller frame 324, a first screw 325, an ejection mechanism 326, a third motor 327 and a support sleeve 328; two groups of wire feeding wheels 321 and a group of welding wire guiding nozzles 323 are arranged inside the wire feeder 32; each set of wire feeding wheel 321 comprises two wire feeding wheels 321 corresponding to each other in the up-down position, and the lower wire feeding wheel 321 is fixed on the shell of the wire feeder 32 through a rotating shaft; the group of welding wire guide nozzles 323 comprises two independent welding wire guide nozzles 323 and are respectively fixed on two sides of the two groups of wire feeding wheels 321; the welding wire 322 passes through a gap between the wire guide nozzle 323 and the two wire feed rollers 321; the third motor 327 is connected to the wire feeding wheel 321 by a conventional belt connection manner, and drives the wire feeding wheel 321 to rotate for feeding wire.
The pressing wheel frame 324 is triangular, one end of the pressing wheel frame is fixed on the shell of the wire feeder 32 through a rotating shaft 3241, and the other end of the pressing wheel frame is movably connected with the wire feeding wheel 321 above each group of wire feeding wheels 321 through a pin shaft; the first screw 325 is fixed on the shell of the wire feeder 32 through a fixed seat, and one end of the first screw is provided with threads while the other end is provided with reverse threads; the first screw 325 is provided with a group of supporting sleeves 328 which are respectively movably connected with the first screw 325 through forward and reverse threads; the supporting sleeve 328 is provided with a supporting arm 3281 which is movably connected with each other through a pin shaft, and the other end of the supporting arm 3281 is movably connected with one end of the pressing wheel frame through a pin shaft; the first screw 325 is rotated to drive the support sleeves 328 to disperse towards two sides and converge towards the middle, and then the support arm 3281 drives the pressing wheel frame 324 to ascend or press the wire feeding wheel 321 downwards so as to adjust the gap between the wire feeding wheels 321 to smoothly feed wires; the ejection mechanism 326 is positioned between the two groups of wire feeding wheels 321 and comprises an ejection wheel 3261, a first fixed block 3262 and a second screw 3263; the second screw rod 3263 penetrates through the first fixed block 3262 and is fixed on the shell of the wire feeder 32 through the first fixed block 3262 and positioned below the two wire feeding wheels 321, and one end of the second screw rod 3263 is movably connected with the ejection wheel 3261 through a pin shaft and a connecting plate; when the welding wire is still long or twisted after being adjusted by the pressing wheel frame 324, the welding wire 322 can be tensioned by rotating the second screw rod 3263 to push the ejection wheel 3261 to eject the welding wire 322 upwards, so that the twisting is reduced.
A through groove 43 is formed in the bottom of the bracket 4, and a top plate 44 is arranged at one end of the through groove 43; one end of the bracket 4 is provided with a connecting arm 41, and the connecting arm 41 is fixedly connected with an electrode holder 42; one end of the electrode holder 42 is provided with a third motor 423, and the shaft end of the third motor 423 is provided with a bevel gear; the top of the electrode holder 42 is provided with a through groove 421 and a copper electrode 422, and the copper electrode 422 is arranged in the through groove 421; a lead screw I424 and a worm 425 are arranged in the through groove 421, the bottom of the lead screw I424 is movably connected with the electrode base 42 through a bearing, and the top of the lead screw I424 is movably connected with the bottom of the copper electrode 422 through threads; a worm wheel 426 is arranged on the screw I424; two ends of the worm 425 are fixed on the electrode holder 42 through a fixed seat; one end of the worm 425 is provided with a bevel gear and is meshed with a shaft end bevel gear of the third motor 423; the worm 425 engages the worm gear 426; the third motor 423 provides power to drive the worm 425 to rotate, so that the worm wheel 426 and the lead screw i 424 are driven to rotate, the copper electrode 422 is pushed to ascend or descend through the lead screw i 424, and the distance between the copper electrode and the titanium plate 8 is adjusted according to welding requirements.
A third oil cylinder 51 is arranged in the guide table 5; one end of a third oil cylinder 51 is fixed at one end of the guide table 5, and the other end is fixed on a top plate 44 in the through groove 43 at the bottom of the bracket 4; the bracket 4 is pushed to slide left and right along the guide table 5 by the third oil cylinder 51.
The cutting mechanism 6 comprises a cutting oil cylinder 61, a connecting plate 62, a triangular bracket 63, a top column 64, a first fixed seat 65, a cutter seat 67, a cutting blade 68 and a cushion seat 69; the cutting oil cylinder 61 is fixed at the top of the bracket 4 through a fixed shaft; the top shaft of the cutting oil cylinder 61 is movably connected with the connecting plate 62 through a connecting seat and a rotating shaft; two ends of the connecting plate 62 are respectively connected with one end of the triangular bracket 63 through rotating shafts; one end of the triangular support 63 is fixed on the bracket 4 through a first fixed seat 65 and a rotating shaft, and the other end is movably connected with one end of a top column 64 through a rotating shaft; the top column 64 is movably connected with the bracket 4 through a column sleeve; one end of the top column 64 is fixedly connected with a cutter holder 67, and the cutting blade 68 is fixed on the cutter holder 67 through a bolt; the cushion seat 69 is fixed on the bracket 4 and is positioned below the tool apron 67; the cutting oil cylinder 61 pushes the connecting plate 62 to drive the triangular bracket 63 to press the top pillar 64 downwards by taking the first fixed seat 65 at one end as an axis, and further drives the cutting blade 68 to cut the titanium plate 8 to be flush.
The conveying mechanism 7 comprises a conveying belt 71, a supporting frame 72 and a second motor 73; the support frame 72 is fixed on the bracket 4 and is positioned at one end of the cushion seat 69; one end of the supporting frame 72 is fixed at 1/3 of the cushion seat 69, and the conveyor belt 71 is fixed on the supporting frame 72; the second motor 73 is fixed at the other end of the support frame 72, and the conveyor belt 71 is driven by the second motor 73 to convey; when the titanium plate 8 is cut, the waste materials are conveyed to one side of the bracket 4 through the conveying belt 71 to be collected and processed uniformly.
The flaw detection mechanism 10 comprises a flaw detector operating platform 101, a fourth motor 102, a second guide shaft 103, a lead screw II 104, a third fixed block 105, a fifth motor 106, a spline housing 107, a probe 108 and a fourth fixed block 109; the flaw detector operating table 101 and the fourth motor 102 are fixed on one side of the rack 1; the flaw detector operating platform 101 is connected with the probe 108 through a line, the flaw detector operating platform 101 is used for operating the probe 108 to detect flaws, and a bevel gear is arranged at the shaft end of the fourth motor 102; two ends of the second guide shaft 103 and two ends of the screw II 104 are fixed on one side of the rack 1 through a fixing seat, and one end of the screw II 104 is provided with a bevel gear and is meshed with a shaft end bevel gear of the fourth motor 102; the third fixing block 105 is movably connected with the second guide shaft 103 and the lead screw II 104 through a through hole and a threaded hole; the fourth fixing block 109 is driven to move along the second guide shaft 103 by the power provided by the fourth motor 102; the fifth motor 106 is fixed at the bottom of the third fixed block 105, and a gear is arranged at the shaft end;
a second fixing plate 1051 is arranged on one side of the third fixing block 105; one end of the second fixing plate 1051 is provided with a second fixing frame 1052; the spline sleeve 107 is fixed on the second fixing frame 1052 through a bearing; a gear is arranged on the spline housing 107 and is connected with a shaft end gear of a fifth motor 106 through a chain; an adjusting screw 1091 is arranged on the fourth fixed block 109, and an adjusting nut 1092 is arranged on the adjusting screw 1091; the flaw detection probe 108 is fixed at the bottom end of the adjusting screw 1091; the height of the strip adjusting screw 1091 is adjusted by rotating the adjusting nut 1092, so that the height of the probe 108 is adjusted, and collision damage with the titanium plate 8 and the like in the flaw detection process is avoided; one side of the fourth fixed block 109 is provided with a fixed sleeve 1094, a third guide shaft 1093 and a screw rod III 1095; one end of the third guide shaft 1093 penetrates through the second fixing plate 1051 and is movably connected with each other through a through hole; one end of the screw rod III 1095 is movably connected with the fixing sleeve 1094 through a bearing, and the other end of the screw rod III 1095 is movably connected with the second fixing plate 1051 through a thread; the other end of the screw rod III 1095 is provided with a spline and is movably connected with a spline housing 107; the fifth motor 106 provides power to drive the spline housing 107 to rotate, so that the screw rod III 1095 is driven to rotate and move along the third guide shaft 1093, and the purpose of adjusting the flaw detection position of the probe 108 is achieved; the flaw detector is obtained by market purchase, and the model is HT-9D.
The flattening mechanism 9 comprises a first fixing frame 91, a first guide shaft 92, a second fixing seat 93, a limit screw 94, a spring 95 and a pressing wheel 96; the first fixing frame 91 is fixed on the bracket 4; one end of the first guide shaft 92 and one end of the limit screw 94 penetrate through the first fixing frame 91, a top plate 921 is arranged on the first guide shaft 92, and a limit nut 941 is arranged on the limit screw 94; the second fixed seat 93 is fixed at the other ends of the first guide shaft 92 and the limit screw 94; the pinch roller 96 is fixed on the second fixed seat 93; the spring 95 is sleeved with the first guide shaft 92, one end of the spring 95 is in contact with the top plate 921, and the other end of the spring is in contact with the bracket 4; trimming and flattening the welding line by pushing the first guide shaft 92 and the pressing wheel 96 through the spring 95; the maximum height of the pressing wheel 96 is adjusted by rotating the limit nut 941; when the welding is finished, the third oil cylinder 51 pushes the bracket 4 to drive the flattening mechanism 9 to flatten the weld beading, so that the power transmission roller is prevented from slipping or other damages during transmission.
A screwing handle 39 is arranged on the second fixing block 34, and the height of the welding gun 35 can be adjusted by rotating the screwing handle 39; the bottom of the first fixing plate 31 is provided with an auxiliary guide rail 37 corresponding to the position of the second fixing block 34, the second fixing block 34 is provided with a guide groove, and the auxiliary guide rail 37 is movably connected with the guide groove to play a role in auxiliary guiding for the up-and-down movement of the welding torch 35.
When two titanium plates 8 are to be subjected to butt welding, firstly, cutting and leveling the butt joint openings of the titanium plates; the titanium plate 8 joint is flattened and fixed through a jacking mechanism 2 on the rack 1, and then the bracket 4 is pushed by a third oil cylinder 51 to slide between the front bracket 11 and the rear bracket 12 along the guide table 5; then, the cutting oil cylinder 61 of the cutting mechanism 6 provides power to perform flush cutting on the joint of the titanium plate 8, the third oil cylinder 51 drags the bracket 4 to return after the cutting is completed, and meanwhile, the copper electrode 422 is pulled to enter the position below the titanium plate 8 between the front support 11 and the rear support 12; the conveying mechanism 7 conveys the cut waste materials to one side of the bracket 4 and then uniformly collects the waste materials; then, the two cut titanium plates 8 are conveyed by conveying rollers at two sides of the frame 1 to be butted in position; then, the first motor 36 drives the welding mechanism 3 to move on the guide rail 121 to weld the interface of the titanium plate; and after welding, flaw detection is carried out by the flaw detection mechanism 10, and after the welding is qualified, the bracket 4 and the flattening mechanism 9 are pushed by the third oil cylinder 51 to slide along the guide table 5 to flatten and repair the welding line.
Example 1:
a welding process for acid-washing titanium plates comprises the following specific steps:
1) and (3) titanium plate transmission: conveying two titanium plates to be butted to a set position by conveying mechanisms on two sides of the welding mechanism respectively to prepare for cutting:
2) fixing: respectively fixing and firmly pressing the two titanium plates through a top pressing mechanism to prepare for cutting;
3) cutting: pushing the bracket to enter between the front bracket and the rear bracket through a third oil cylinder, and then cutting the titanium plate to be welded and butted through a cutting mechanism to enable the butted interfaces to be flush;
4) alignment: the transmission mechanisms on the two sides of the rack control the two titanium plates to butt joint the welding port according to requirements, so that the welding port meets the welding requirement, and then the pressing mechanism presses the welding port firmly;
wherein, the welding gap of the titanium plate with the thickness of 4mm on the operation side is 55% of the thickness of the plate; the welding gap on the opposite side of the operation side is set to be 78% of the thickness of the plate;
the welding gap of the titanium plate with the thickness of 7.5mm on the operation side is set to be 62% of the thickness of the plate; the welding gap at the opposite side of the operation side is set to be 50% of the thickness of the plate;
5) welding: welding the two titanium plates by an automatic welding machine;
the welding speed of the titanium plate with the thickness of 4mm is 0.85 m/min; the current is 240A; the diameter of the welding wire is 0.9 mm; the wire feeding speed is 9 m/min; adjusting the height of the copper electrode to be 24mm, and enabling the distance between the copper electrode and the welded titanium plate to be 3 mm;
the welding speed of the titanium plate with the thickness of 7.5mm is 0.5 m/min; the current is 280A; the diameter of the welding wire is 1.3 mm; the wire feeding speed is 6.2 m/min; adjusting the height of the copper electrode to be 18mm, and enabling the distance between the copper electrode and the welded titanium plate to be 6 mm;
when the titanium plate is welded, the argon flow is increased to 20L/min, the welding nozzle and the welding line are kept on the same straight line by the aid of the welding machine which runs on the guide rail, and the deviation of the full-length straightness is kept at 0.45 mm;
6) flaw detection of welding seams: carrying out online flaw detection by a weld joint flaw detector (HT-10) and detecting the conditions of cracks, inclusions, pores, incomplete penetration, incomplete fusion and the like; no crack, incomplete penetration, incomplete fusion and the like are found;
7) reset transmission: the welding mechanism and the jacking mechanism reset; and then the transmission mechanism conveys the titanium plate.
Example 2:
the difference compared with example 1;
4) alignment: the transmission mechanisms on the two sides of the rack control the two titanium plates to butt joint the welding port according to requirements, so that the welding port meets the welding requirement, and then the pressing mechanism presses the welding port firmly;
wherein, the welding gap of the titanium plate with the thickness of 4mm on the operation side is 60 percent of the thickness of the plate; the welding gap on the opposite side of the operation side is 82% of the thickness of the plate;
the welding gap of the titanium plate with the thickness of 7.5mm on the operation side is 58% of the thickness of the plate; the welding gap on the opposite side of the operation side is set to be 52% of the thickness of the plate;
5) welding: welding the two titanium plates by an automatic welding machine;
the welding speed of the titanium plate with the thickness of 4mm is 0.8 m/min; the current is 245A; the diameter of the welding wire is 1.0 mm; the wire feeding speed is 8 m/min; adjusting the height of the copper electrode to be 22mm, and enabling the distance between the copper electrode and the welded titanium plate to be 5 mm;
the welding speed of the titanium plate with the thickness of 7.5mm is 0.55 m/min; the current is 285A; the diameter of the welding wire is 1.2 mm; the wire feeding speed is 6.5 m/min;
when the titanium plate is welded, the argon flow is increased to 22L/min, the welding nozzle and the welding line are kept on the same straight line by the aid of the welding machine which runs on the guide rail, and the deviation of the full-length straightness is kept within 0.5 mm;
adjusting the height of the copper electrode to be 15mm, and enabling the distance between the copper electrode and the welded titanium plate to be 9 mm;
comparative example 1:
1) and (3) titanium plate transmission: conveying two titanium plates to be butted to a set position by conveying mechanisms on two sides of the welding mechanism respectively to prepare for cutting:
2) fixing: respectively fixing and firmly pressing the two titanium plates through a top pressing mechanism to prepare for cutting;
3) cutting: the bracket is pushed to enter between the front support and the rear support through the third oil cylinder, and then the titanium plate needing to be welded and butted is cut through the cutting mechanism, so that the butt joint port is flush.
4) Alignment: wherein, the welding clearance of the titanium plates with the thickness of 4mm and 7.5mm on the operation side is set to be 55-65% of the thickness of the plate, and the specific implementation is 60%; the welding gap at the opposite side of the operation side is set to be 75-85% of the thickness of the plate, and is specifically implemented to be 80%;
5) welding: welding the two titanium plates by an automatic welding machine;
the welding speed of the titanium plates with the thickness of 4mm and 7.5mm is 1.0-1.2m/min, and the specific implementation is 1.1 m/min; the current is 270 +/-30A, and the specific implementation is 290A; the diameter of the welding wire is 1.0-1.5mm, and the specific implementation is 1.4 mm; the wire feeding speed is 8-12m/min, and the specific implementation is 11.5 m/min;
the argon flow is increased to 10-16L/min, specifically 15L/min when the titanium plate is welded; the welding machine moves on the guide rail to ensure that the welding tip and the welding seam are kept on the same straight line, the deviation of the full-length straightness is kept within 0.5-0.8mm, and the specific implementation is 0.7 mm;
6) reset transmission: the welding mechanism and the jacking mechanism reset; and then the transmission mechanism conveys the titanium plate.
Comparative example 2:
1) and (3) titanium plate transmission: conveying two titanium plates to be butted to a set position by conveying mechanisms on two sides of the welding mechanism respectively to prepare for cutting:
2) fixing: respectively fixing and firmly pressing the two titanium plates through a top pressing mechanism to prepare for cutting;
3) cutting: the bracket is pushed to enter between the front support and the rear support through the third oil cylinder, and then the titanium plate needing to be welded and butted is cut through the cutting mechanism, so that the butt joint port is flush.
4) Alignment: wherein, the welding clearance of the titanium plates with the thickness of 4mm and 7.5mm on the operation side is set to be 55-65% of the thickness of the plate, and the specific implementation is 62%; the welding gap at the opposite side of the operation side is set to be 75-85% of the thickness of the plate, and the specific implementation is 78%;
5) welding: welding the two titanium plates by an automatic welding machine;
the welding speed of the titanium plates with the thickness of 4mm and 7.5mm is 1.0-1.2m/min, and is specifically implemented as 0.85 m/min; the current is 270 +/-30A, and the specific implementation is 295A; the diameter of the welding wire is 1.0-1.5mm, and the specific implementation is 1.3 mm; the wire feeding speed is 8-12m/min, and is specifically 9 m/min;
the argon flow is increased to 10-16L/min, specifically 14L/min, when the titanium plate is welded; the welding machine moves on the guide rail to ensure that the welding tip and the welding seam are kept on the same straight line, the deviation of the full-length straightness is kept within 0.5-0.8mm, and the specific implementation is 0.75 mm;
6) reset transmission: the welding mechanism and the jacking mechanism reset; and then the transmission mechanism conveys the titanium plate.
According to the following table of the performance detection results of the GBT3621-2007 on the cutting test block of the welding seam, the embodiment 1 and the embodiment 2 are welded by the existing welding process, the performance detection is carried out after the welding is finished, and the obtained data are in accordance with the standard and are relatively stable; after welding is completed, performance detection is carried out according to the comparative example 1 and the comparative example 2, the obtained data is low and does not meet the standard requirement, and cracks and fracture hidden dangers easily occur in a welding line in the transmission process; the flaw detection contrast of the seam flaw detector shows that the titanium plate welded according to the prior art has no obvious phenomena of cracks, incomplete fusion, incomplete penetration and the like, while the traditional process does not use the seam flaw detector for flaw detection, can not accurately determine the welding quality, and has hidden dangers of cracks, incomplete fusion, incomplete penetration and the like;
the welding effect of the prior art is good through the comparison of the detection of the flaw detection of the welding line and the detection of the mechanical property of the welding line, and the use requirement of TA7 is met; the condition that the welding line is broken due to welding flaws or infirm welding in the transmission process is avoided, so that normal production is influenced.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (6)
1. A welding device for a pickling titanium plate comprises a rack, a jacking mechanism, a welding mechanism, a bracket, a guide table, a cutting mechanism, a conveying mechanism, a flattening mechanism and a flaw detection mechanism; the device is characterized in that the jacking mechanism, the welding mechanism and the flaw detection mechanism are fixed on a rack, and the flaw detection mechanism is positioned on one side of the welding mechanism; the guide table is positioned on one side of the frame, and the bracket is fixed on the guide table; the cutting mechanism, the conveying mechanism and the flattening mechanism are fixed on the bracket, and the flattening mechanism is positioned on one side of the cutting mechanism; the conveying mechanism is positioned below the cutting mechanism;
the flaw detection mechanism comprises a flaw detector operating console, a fourth motor, a second guide shaft, a screw II, a third fixing block, a fifth motor, a spline sleeve, a probe and a fourth fixing block; the flaw detector operating table and the fourth motor are fixed on one side of the rack; the flaw detector operating platform is connected with the probe through a line and is used for operating the probe to detect flaws, and a bevel gear is arranged at the shaft end of the fourth motor; two ends of the second guide shaft and two ends of the screw II are fixed on one side of the rack through a fixed seat, and one end of the screw II is provided with a bevel gear and is meshed with a bevel gear at the end of a fourth motor shaft; the third fixing block is movably connected with a second guide shaft and a lead screw II through a through hole and a threaded hole; the fifth motor is fixed at the bottom of the third fixed block, and a gear is arranged at the shaft end of the fifth motor;
a second fixing plate is arranged on one side of the third fixing block; one end of the second fixing plate is provided with a second fixing frame; the spline sleeve is fixed on the second fixing frame through a bearing; the spline sleeve is provided with a gear and is connected with a fifth motor shaft end gear through a chain; an adjusting screw rod is arranged on the fourth fixed block, and an adjusting nut is arranged on the adjusting screw rod; the flaw detection probe is fixed at the bottom end of the adjusting screw rod; one side of the fourth fixed block is provided with a fixed sleeve, a third guide shaft and a screw rod III; one end of the third guide shaft penetrates through the second fixing plate and is movably connected with the second fixing plate through the through hole; one end of the screw rod III is movably connected with the fixed sleeve through a bearing, and the other end of the screw rod III is movably connected with a second fixed plate through threads; the other end of the screw rod III is provided with a spline and is movably connected with a spline sleeve;
the flattening mechanism comprises a first fixing frame, a first guide shaft, a second fixing seat, a limiting screw rod, a spring and a pressing wheel; the first fixing frame is fixed on the bracket; one end of the first guide shaft and one end of the limiting screw rod penetrate through the first fixing frame, a top plate is arranged on the first guide shaft, and a limiting nut is arranged on the limiting screw rod; the second fixed seat is fixed at the other ends of the first guide shaft and the limiting screw rod; the pinch roller is fixed on the second fixed seat; the spring is sleeved with the first guide shaft, one end of the spring is in contact with the top plate, and the other end of the spring is in contact with the bracket; trimming and flattening the welding line by pushing the first guide shaft and the pinch roller through the spring; the maximum height of the pressing wheel is adjusted by rotating the limiting nut; when the welding is finished, the third oil cylinder pushes the bracket to drive the flattening mechanism to flatten welding beading of the welding line;
the welding mechanism comprises a first fixing plate, a wire feeder, a second oil cylinder, a second fixing block, a welding gun, a first motor and a pipeline, wherein the pipeline comprises an argon hose, a wire feeding conduit pipeline and a line, and the pipeline is arranged in the chain block to prevent winding when moving; the first fixing plate is provided with a guide groove, and the guide groove is fixed on the guide rail and movably connected with the guide rail; the first motor is fixed on the first fixing plate, a reduction gearbox is arranged at the shaft end of the first motor, and a gear is arranged on an output shaft of the reduction gearbox and is meshed with a rack on the guide rail; the wire feeder is fixed at the top of the first fixing plate, and a wire coil on the wire feeder is fixed above the wire feeder; the second oil cylinder is fixed on the first fixing plate and is positioned below the wire feeder; the second fixing block is fixed at the end part of the top shaft of the second oil cylinder; the welding gun is fixed on the second fixing block;
the wire feeder comprises a wire feeding wheel, a welding wire guide nozzle, a pressing wheel frame, a first screw, an ejection mechanism, a third motor and a support sleeve; two groups of wire feeding wheels and one group of welding wire guide nozzles are arranged in the wire feeder; each group of wire feeding wheels comprises two wire feeding wheels which are corresponding to each other in the upper and lower positions, and the wire feeding wheel at the lower part is fixed on the shell of the wire feeder through a rotating shaft; the group of welding wire guide nozzles comprises two independent welding wire guide nozzles which are respectively fixed on two sides of the two groups of wire feeding wheels; the welding wire passes through a gap between the welding wire guide nozzle and the two wire feeding wheels; the third motor is connected with the wire feeding wheel through a conventional belt connection mode to drive the wire feeding wheel to rotate for feeding wires;
the wire feeding wheel frame is triangular, one end of the wire feeding wheel frame is fixed on the shell of the wire feeder through a rotating shaft, and the other end of the wire feeding wheel frame is movably connected with the wire feeding wheel above each group of wire feeding wheels through a pin shaft; the first screw is fixed on the shell of the wire feeder through a fixed seat, and one end of the first screw is provided with a thread while the other end is provided with a reverse thread; the first screw rod is provided with a group of supporting sleeves which are respectively and movably connected with the first screw rod through forward and reverse threads; the supporting sleeve is provided with a supporting arm which is movably connected with each other through a pin shaft, and the other end of the supporting arm is movably connected with one end of the pressure wheel frame through a pin shaft; the ejection mechanism is positioned between the two wire feeding wheels and comprises an ejection wheel, a first fixed block and a second screw rod; the second screw rod passes through the first fixed block and is fixed on the wire feeder shell through the first fixed block to be positioned below the two wire feeding wheels, and one end of the second screw rod is movably connected with the ejection wheel through a pin shaft and a connecting plate.
2. The apparatus of claim 1, wherein said frame comprises a front support and a rear support; the rear bracket is provided with a guide rail, a supporting plate and a chain block, and the guide rail is provided with a rack; the supporting plate is fixed on the top of the rear support; one end of the chain is fixed on the supporting plate through a bolt; the jacking mechanism comprises a first oil cylinder, a supporting plate and a group of pressing plates; two ends of the supporting plate are fixed on the frame; the first oil cylinder is fixed on the supporting plate; one of the pressing plates is fixedly connected with the first oil cylinder jacking shaft, the other pressing plate is fixed on the rack, and the two pressing plates correspond to each other up and down.
3. The apparatus for welding pickled titanium plates as claimed in claim 1, wherein the bottom of said bracket is provided with a through slot, one end of which is provided with a top plate; one end of the bracket is provided with a connecting arm which is fixedly connected with the electrode holder; one end of the electrode holder is provided with a third motor, and the shaft end of the third motor is provided with a bevel gear; the top of the electrode seat is provided with a through groove and a copper electrode, and the copper electrode is arranged in the through groove; a lead screw I and a worm are arranged in the through groove, the bottom of the lead screw I is movably connected with an electrode base through a bearing, and the top of the lead screw I is movably connected with the bottom of a copper electrode through threads; a worm wheel is arranged on the screw rod I; two ends of the worm are fixed on the electrode seat through the fixed seat; one end of the worm is provided with a bevel gear and is meshed with a bevel gear at the shaft end of the third motor; the worm is meshed with the worm wheel; the worm is driven to rotate by the power provided by the third motor, so that the worm wheel and the lead screw I are driven to rotate, the copper electrode is pushed to ascend or descend by the lead screw I, and the distance between the copper electrode and the titanium plate is adjusted according to welding requirements;
a third oil cylinder is arranged in the guide table; one end of the third oil cylinder is fixed at one end of the guide table, and the other end of the third oil cylinder is fixed on a top plate in a through groove at the bottom of the bracket.
4. The welding device for the acid-washed titanium plate according to claim 2, wherein the cutting mechanism comprises a cutting oil cylinder, a connecting plate, a triangular bracket, a top column, a first fixed seat, a cutter seat, a cutting blade and a cushion seat; the cutting oil cylinder is fixed at the top of the bracket through a fixed shaft; the cutting oil cylinder top shaft is movably connected with the connecting plate through a connecting seat and a rotating shaft; two ends of the connecting plate are respectively connected with one end of the triangular bracket through rotating shafts; one end of the triangular support is fixed on the bracket through a first fixed seat and a rotating shaft, and the other end of the triangular support is movably connected with one end of the top column through a rotating shaft; the top column is movably connected with the bracket through a column sleeve; one end of the top column is fixedly connected with a cutter holder, and the cutter blade is fixed on the cutter holder through a bolt; the cushion seat is fixed on the bracket and positioned below the tool apron;
the conveying mechanism comprises a conveying belt, a supporting frame and a second motor; the support frame is fixed on the bracket and is positioned at one end of the cushion seat; one end of the supporting frame is fixed at the position 1/3-2/3 of the cushion seat, and the conveyor belt is fixed on the supporting frame; the second motor is fixed at the other end of the support frame;
a screwing handle is arranged on the second fixing block; the bottom of the first fixing plate is provided with a position of the auxiliary guide rail corresponding to the fixing block, the fixing block is provided with a guide groove, and the auxiliary guide rail is movably connected with the guide groove.
5. The acid-washing titanium plate welding process is characterized by comprising the following specific steps of:
1) and (3) titanium plate transmission: conveying two titanium plates to be butted to a set position by conveying mechanisms on two sides of the welding mechanism respectively to prepare for cutting:
2) fixing: respectively fixing and firmly pressing the two titanium plates through a top pressing mechanism to prepare for cutting;
3) cutting: pushing the bracket to enter between the front bracket and the rear bracket through a third oil cylinder, and then cutting the titanium plate to be welded and butted through a cutting mechanism to enable the butted interfaces to be flush;
4) alignment: the transmission mechanisms on the two sides of the rack control the two titanium plates to butt joint the welding port according to requirements, so that the welding port meets the welding requirement, and then the pressing mechanism presses the welding port firmly;
5) welding: welding the two titanium plates by an automatic welding machine;
6) flaw detection of welding seams: carrying out online flaw detection by a weld joint flaw detector, and detecting the conditions of cracks, inclusions, air holes, incomplete penetration, incomplete fusion and the like;
7) reset transmission: the welding mechanism and the jacking mechanism reset; then the transmission mechanism transmits the titanium plate;
in the step 4), the welding gap of the titanium plate with the thickness of 3.0-5.0mm on the operation side is set to be 50-70% of the thickness of the plate; the welding gap at the opposite side of the operation side is set to be 75-85% of the thickness of the plate; the welding gap of the titanium plate with the thickness of 5.0-8.0mm on the operation side is set to be 55-65% of the thickness of the plate; the welding gap at the opposite side of the operation side is 40-60% of the thickness of the plate;
the welding speed of the titanium plate with the thickness of 3.0-5.0mm in the step 5) is 0.8-0.9 m/min; the current is 235 +/-10A; the diameter of the welding wire is 0.85-1.1 mm; the wire feeding speed is 7-10 m/min; adjusting the height of the copper electrode to be 18-26mm, and enabling the distance between the copper electrode and the welded titanium plate to be 0-5 mm; the welding speed of the titanium plate with the thickness of 5.0-8.0mm is 0.4-0.6 m/min; the current is 280 +/-10A; the diameter of the welding wire is 1.2-1.4 mm; the wire feeding speed is 5-7 m/min; adjusting the height of the copper electrode to be 15-20mm, and enabling the distance between the copper electrode and the welded titanium plate to be 5-10 mm;
and 5) increasing the argon flow to 18-23L/min during the welding of the titanium plate, enabling the welding nozzle and the welding line to be kept on the same straight line by the aid of the welding machine which runs on the guide rail, and keeping the deviation of the full-length straightness within 0.35-0.6 mm.
6. The welding process of claim 5, wherein the step 6) is to repair and flatten the welding line by a flattening mechanism after passing the detection of the flaw detection mechanism, and then the next step is performed, and if the detection is not qualified, the step 3) is to cut the unqualified welding line and perform re-welding according to the process sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011571687.6A CN112589467B (en) | 2020-12-27 | 2020-12-27 | Pickling titanium plate welding device and welding process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011571687.6A CN112589467B (en) | 2020-12-27 | 2020-12-27 | Pickling titanium plate welding device and welding process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112589467A CN112589467A (en) | 2021-04-02 |
| CN112589467B true CN112589467B (en) | 2021-11-19 |
Family
ID=75203619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011571687.6A Active CN112589467B (en) | 2020-12-27 | 2020-12-27 | Pickling titanium plate welding device and welding process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112589467B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985321A (en) * | 1982-11-09 | 1984-05-17 | Yaskawa Electric Mfg Co Ltd | Working device for thin sheet |
| CN101138823A (en) * | 2007-06-18 | 2008-03-12 | 认知显示株式会社 | Manufacturing device of front cover of divided type display apparatus frame |
| CN108481003A (en) * | 2018-06-07 | 2018-09-04 | 张军 | A kind of glass door handle automatic manufacturing device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59125232A (en) * | 1982-12-29 | 1984-07-19 | Tachikawa Spring Co Ltd | Forming device of pipe frame |
| JP3659566B2 (en) * | 2000-05-17 | 2005-06-15 | 三菱電機株式会社 | Cutting device for welding machine |
| CN2920517Y (en) * | 2006-07-04 | 2007-07-11 | 华中科技大学 | Coil online laser welding equipment |
| CN100478123C (en) * | 2007-03-22 | 2009-04-15 | 南京赛彤铁路电气化有限公司 | Stainless-steel band special apparatus for steel-aluminum composite contact rail |
| CN100493824C (en) * | 2007-03-28 | 2009-06-03 | 山西太钢不锈钢股份有限公司 | Stainless-steel roll welding band-leading method |
| CN103121135A (en) * | 2013-02-01 | 2013-05-29 | 河南新能光伏有限公司 | Thin film solar cell bus bar intersection automatic hot welding device |
| CN203401304U (en) * | 2013-08-15 | 2014-01-22 | 蔡昌益 | Improved steel plate butt joint machine |
| CN104325213B (en) * | 2014-10-23 | 2016-04-20 | 哈尔滨电气动力装备有限公司 | Main pump motor housing longitudinal seam welding procedure |
| CN105436681B (en) * | 2016-01-13 | 2018-05-25 | 成都焊研科技有限责任公司 | Thin plate full-automatic narrow overlap resistance seam welder |
| CN106808212A (en) * | 2017-03-02 | 2017-06-09 | 番禺珠江钢管（连云港）有限公司 | A kind of dissimilar metal lamination is combined into set assembly equipment and combination blank technology |
| CN111185721B (en) * | 2018-11-15 | 2021-11-12 | 核工业西南物理研究院 | Manufacturing method for manufacturing multi-runner straight plate by single-weld welding |
| CN210588121U (en) * | 2019-08-28 | 2020-05-22 | 宁波瀚朗电机有限公司 | Automatic welding spot equipment |
-
2020
- 2020-12-27 CN CN202011571687.6A patent/CN112589467B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985321A (en) * | 1982-11-09 | 1984-05-17 | Yaskawa Electric Mfg Co Ltd | Working device for thin sheet |
| CN101138823A (en) * | 2007-06-18 | 2008-03-12 | 认知显示株式会社 | Manufacturing device of front cover of divided type display apparatus frame |
| CN108481003A (en) * | 2018-06-07 | 2018-09-04 | 张军 | A kind of glass door handle automatic manufacturing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112589467A (en) | 2021-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203401203U (en) | Longitudinal submerged arc welding scribed line floating limiting device | |
| JP5438163B2 (en) | Steel strip joining device applied to pipe making equipment | |
| CN204504646U (en) | A kind of automatic soldering device | |
| CN206029039U (en) | Welding seam automatic identification adjusts welding machine about tubulation | |
| CN217095697U (en) | A roll processing lathe | |
| CN112548419A (en) | Drill rod welding equipment and welding method | |
| CN112589467B (en) | Pickling titanium plate welding device and welding process thereof | |
| CN107538152A (en) | Bonding machine | |
| CN112427835A (en) | Steel strip shearing butt welding machine and welding method thereof | |
| CN214558780U (en) | Multifunctional full-automatic welding workbench of net rack pipe end girth welding production line | |
| CN214162066U (en) | A kind of pickling titanium plate welding device | |
| CN210755972U (en) | Steel strip shearing butt welding machine | |
| CN210547735U (en) | Automatic thread rolling equipment | |
| CN204504468U (en) | A kind of welding manipulator | |
| CN111673520A (en) | Shaft part end inner hole chamfering equipment | |
| CN109434343B (en) | Automatic welding machine for scaffold pipe fitting and connector | |
| CN211305152U (en) | Surfacing machine for automatically repairing roller | |
| CN108747111B (en) | Automatic welding device for coil stock butt joint | |
| CN212823288U (en) | Automatic butt joint device of thin-wall straight pipe longitudinal joint | |
| CN207615934U (en) | A kind of auto spiral bonding machine | |
| CN214264378U (en) | Online welding device for welding steel belt | |
| CN210755757U (en) | Welding wire feeding device | |
| CN209792839U (en) | Surfacing welding machine for continuous casting roller | |
| CN202606714U (en) | Radiator flat pipe flaring machine | |
| CN220636594U (en) | Automatic continuous high-frequency welding machine device for pipe production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A welding device for pickling titanium plate and its welding process Effective date of registration: 20230110 Granted publication date: 20211119 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG SHENGYANG METAL TECHNOLOGY CO.,LTD. Registration number: Y2023980030627 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231214 Granted publication date: 20211119 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG SHENGYANG METAL TECHNOLOGY CO.,LTD. Registration number: Y2023980030627 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A pickling titanium plate welding device and its welding process Effective date of registration: 20231219 Granted publication date: 20211119 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG SHENGYANG METAL TECHNOLOGY CO.,LTD. Registration number: Y2023980072784 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211119 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG SHENGYANG METAL TECHNOLOGY CO.,LTD. Registration number: Y2023980072784 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A pickling titanium plate welding device and its welding process Granted publication date: 20211119 Pledgee: Shandong Linyi Luozhuang Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG SHENGYANG METAL TECHNOLOGY CO.,LTD. Registration number: Y2024980042375 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |