CN114682959B - Automatic welding equipment for ship pin shafts - Google Patents
Automatic welding equipment for ship pin shafts Download PDFInfo
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- CN114682959B CN114682959B CN202210537232.5A CN202210537232A CN114682959B CN 114682959 B CN114682959 B CN 114682959B CN 202210537232 A CN202210537232 A CN 202210537232A CN 114682959 B CN114682959 B CN 114682959B
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- 238000003466 welding Methods 0.000 title claims abstract description 148
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 13
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses automatic welding equipment for ship pin shafts, which comprises a frame, wherein a workpiece clamping and loosening control part and a welding machine part are arranged on the frame; the welding machine part is connected with the power transmission part through a welding machine position adjusting mechanism, and the power transmission part drives a welding gun in the welding machine part to act through the welding machine position adjusting mechanism so as to weld a ship pin shaft arranged at the workpiece clamping and loosening and controlling part. The precise positioning of the ship pin shafts with different lengths is realized through the workpiece clamping, loosening and controlling part, the precise positioning device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and has wide application range and high positioning precision. The synchronous rotation of the two rotating wheels is realized through the transmission mechanism, and then one circle of accurate welding of the welding gun arranged on the rotating wheels to the welded junction of the ship pin shaft is realized. Holes with different distances from the center of the rotating wheel are formed in the rotating wheel, so that welding work of ship pin shafts with different specifications and sizes is met, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of welding equipment, in particular to automatic welding equipment for ship pin shafts.
Background
On large ships, there are pin shafts (as shown in figure 1), one shaft and one plate are welded together, and the welded part has chamfer angles of 5-10 mm. The thickness of the shaft is different from the thickness of the plate to the thickness of the plate, the diameter of the shaft is 60mm to 120mm, and the length is 400mm to 700mm.
The welding part, namely the weld junction part, is required to be continuous and smooth, the allowable welding flux is 1-3 mm higher than the base metal and is arc-shaped, loose, cracks, air holes and sand holes and residual welding slag are not allowable, local preheating before welding is required, the welding stress is eliminated by heat preservation after welding, ultrasonic detection is required after welding so as to reach hundred percent of qualification, and the aim of ever loss is really achieved.
The manual hand-held welding gun is used for welding, the welding port is internally provided with an air hole, preheating is not carried out in place before welding, tempering is not carried out in time after welding, cracks often appear, and the qualification rate of products detected by an ultrasonic flaw detector is only 50%.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides automatic welding equipment for ship pin shafts.
The automatic welding equipment for the ship pin shaft comprises a frame, wherein a workpiece clamping and loosening control part and a welding machine part are arranged on the frame; the welding machine part is connected with the power transmission part through a welding machine position adjusting mechanism, and the power transmission part drives a welding gun in the welding machine part to act through the welding machine position adjusting mechanism so as to weld a ship pin shaft arranged at the workpiece clamping and loosening and controlling part.
Further, the workpiece clamping, loosening and controlling part comprises a workpiece pressing plate arranged on the frame, a through hole is formed in the workpiece pressing plate, a panel is arranged on the top surface of the frame, a limiting opening is formed in the panel, a jacking cylinder is arranged right below the position corresponding to the through hole of the workpiece pressing plate, the ship pin shaft is transported to the position above the jacking cylinder through the workpiece conveying trolley part, and a piston rod of the jacking cylinder stretches out to push the ship pin shaft to move upwards and press to the bottom surface of the workpiece pressing plate.
Further, the workpiece pressing plate is connected with the panel of the frame through a height adjusting rod, the top and the bottom of the height adjusting rod are screw rods, the top of the height adjusting rod penetrates through the workpiece pressing plate and is connected with the nuts at the top surface and the bottom surface of the workpiece pressing plate, and the bottom of the height adjusting rod penetrates through the panel and is connected with the nuts at the top surface and the bottom surface of the panel.
Further, the workpiece conveying trolley part comprises a guide rail arranged on one side of the frame and a pulley comprising rollers and a frame, wherein the rollers are arranged at the bottom of the frame of the pulley, are matched with the guide rail and move along the guide rail to convey a workpiece to the workpiece clamping loosening and controlling part; the ship pin shaft is placed on the frame, a through hole opposite to a piston rod of the jacking cylinder is formed in the frame, and the piston rod of the jacking cylinder stretches out and passes through the through hole in the frame to push the ship pin shaft to move upwards and press to the bottom surface of the workpiece pressing plate.
Further, an angle steel bracket is further arranged on the frame, and a V-shaped limiting block for limiting the ship pin shaft is arranged on the angle steel bracket.
Further, the power transmission part comprises a motor, the motor is connected with a driving toothed belt wheel, the driving toothed belt wheel is connected with two driven toothed belt wheels through a synchronous belt, and the two driven toothed belt wheels and the driving toothed belt wheel are arranged in an isosceles triangle; the panel is provided with two bearing holes, the two driven toothed belt wheels are respectively connected with the corresponding two rotating wheels through bearings and rotating shafts arranged at the bearing holes, and the rotating wheels are positioned above the panel; the rotating wheel is provided with a plurality of holes with different distances from the center of the rotating wheel, and the rotating wheel is connected with a position adjusting mechanism of the welding machine.
Further, the motor is installed in the frame through the motor cabinet, be equipped with motor tensioning seat on the motor cabinet, motor tensioning seat is including being equipped with the tensioning board in rectangular hole, and the tensioning board is connected with the panel through the bolt of installing in rectangular hole department.
Further, the welding machine position adjusting mechanism comprises a connecting rod at one end, two ends of the connecting rod are respectively inserted into holes of the rotating wheel through pin shafts, the rotating wheel rotates to drive the connecting rod to respectively rotate around the centers of the rotating wheels around the two ends, a welding machine lifting rod is mounted on the connecting rod, the top of the welding machine lifting rod is hinged with a welding machine lifting plate, one end of the welding machine lifting plate is hinged with the welding machine lifting rod through a bottom pin shaft, an arc-shaped hole is formed in the welding machine lifting plate, and a supporting pin shaft penetrates through the arc-shaped hole to be connected with the welding machine lifting rod; the welding machine lifting plate is provided with a mounting rod for mounting the welding machine, the welding machine lifting rod is also obliquely provided with an adjusting cylinder, one end of the adjusting cylinder is hinged with the welding machine lifting rod, a piston rod of the adjusting cylinder is hinged with the mounting rod, and the adjusting cylinder drives the welding gun, the mounting rod and the welding machine lifting plate to rotate around the bottom pin shaft.
Further, a plurality of mounting holes are formed in the mounting rod, and a welding gun of the welding machine and a piston rod of the adjusting cylinder are connected with the mounting holes in a matched mode.
Further, when the piston rod of the adjusting cylinder extends out, the welding gun leaves the welded junction of the ship pin shaft, when the piston rod of the adjusting cylinder retracts, the welding gun approaches the welded junction of the ship pin shaft, and the nozzle of the welding gun rotates one circle along with the rotating wheel and rotates one circle around the welded junction of the ship pin shaft.
In summary, the technical scheme of the invention has the following beneficial effects:
according to the invention, the precise positioning of the ship pin shaft is realized through the workpiece clamping and loosening and controlling part, namely, the position of the height adjusting rod in the workpiece clamping and loosening and controlling part relative to the workpiece pressing plate can adapt to the compression tasks of the ship pin shaft formed by various shafts with different lengths and plates with different thicknesses. The device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and has wide application range and high positioning accuracy.
The synchronous rotation of the two rotating wheels is realized through the transmission mechanism, and then one circle of accurate welding of the welding gun arranged on the rotating wheels to the welded junction of the ship pin shaft is realized.
Holes with different distances from the center of the rotating wheel are formed in the rotating wheel, so that welding work of ship pin shafts with different specifications and sizes is met, and the application range is wide.
The device has simple and practical structure, low investment and quick response.
Drawings
Fig. 1 is a structural view of a ship pin.
Fig. 2 is an overall structural view of the present invention (with a boat pin).
Fig. 3 is an overall structural view of the present invention (without the boat pins).
Fig. 4 is a front view of the present invention.
Fig. 5 is a partial enlarged view of a in fig. 4.
Fig. 6 is a partial enlarged view of B in fig. 2.
Fig. 7 is a bottom view of the present invention.
Fig. 8 is a cross-sectional view A-A of fig. 3.
Fig. 9 is a partial enlarged view of fig. 2.
Fig. 10 is a structural view of the connecting rod.
Fig. 11 is a partial enlarged view of D in fig. 4.
Fig. 12 is a structural view of the stand.
Fig. 13 is a structural view of the locking sleeve.
Fig. 14 is a rear view of the present invention.
Fig. 15 is a partial enlarged view of E in fig. 4.
Fig. 16 is a partial enlarged view of F in fig. 14.
In the figure:
the welding device comprises a frame, a panel, a ship pin shaft, a workpiece pressing plate 4, a through hole 5, a limit notch 6, a height adjusting rod 8, a screw rod end, a nut 9, a lifting cylinder 10, a guide rail 11, a roller 12, a frame 13, an angle steel bracket 14, a V-shaped limiting block 15, a motor 16, a driving toothed belt pulley 17, a synchronous belt 18, a driven toothed belt pulley 19, a bearing 20, a rotating shaft 21, a bearing spacer 22, a motor seat 23, a tensioning plate 24, a reducing hole 25, a rotating wheel 26, a connecting rod 27, a long strip hole 28, a mounting block 29, a pin shaft 30, a regulating hole 31, a regulating bolt 32, a welding machine lifting rod 33, a supporting seat 34, a locking sleeve 36, a threaded hole 37, a hexagon bolt 38, a bottom pin shaft, a welding machine lifting plate 39, a cambered hole 41, a supporting pin shaft 42, a mounting rod 43, a regulating cylinder 44 welding gun, a 45 clamping plate 46, a mounting hole 47 nozzle and a welding port 48.
Detailed Description
The following detailed description of the invention is merely illustrative of the invention and is not intended to limit the scope of the invention.
The automatic welding equipment for the ship pin shafts comprises a frame 1, wherein the frame 1 is formed by welding angle steel, a panel 2 is fixedly arranged at the top of the frame 1, and the frame 1 and the panel 2 are the installation bases of all structural components of the welding equipment.
Specifically, as shown in fig. 2 to 4, a workpiece clamping and loosening control part and a welding machine part are mounted on the frame 1; the welding machine part is connected with the power transmission part through a welding machine position adjusting mechanism, and the power transmission part drives a welding gun 44 in the welding machine part to act through the welding machine position adjusting mechanism so as to weld the ship pin shaft 3 arranged at the workpiece clamping and loosening and controlling part.
First, the first part: the workpiece clamping loosening and controlling part comprises a workpiece pressing plate 4 arranged on the frame 1, specifically, the workpiece pressing plate 4 adopts a flat plate, the workpiece pressing plate 4 is positioned above the panel 2 for a certain distance, and the specific height position of the workpiece pressing plate can be adjusted. The center position (not limited to the center position) of the workpiece pressing plate 4 is provided with a through hole 5, and the through hole 5 can be a circular hole (not limited by the circular hole). The through hole is a hole having a diameter about 20mm larger than the crater 48. The position of the through hole corresponds to the position of the welded junction 48 at the top of the ship pin shaft 3. A limiting notch 6 (fig. 3) is formed at one side of the panel 2, and the limiting notch 6 is corresponding to the ship pin shaft 3 and does not interfere with the shaft of the ship pin shaft 3 when the ship pin shaft 3 is placed below the workpiece pressing plate 4. The limit notch can be a U-shaped notch or other forms of notches.
The workpiece pressing plate 4 is connected with the panel 2 of the frame 1 through a height adjusting rod 7, and the height adjusting rod 7 can be a stud bolt with a longer length, namely, the top and the bottom of the height adjusting rod 7 are screw ends 8 (fig. 5). Two U-shaped openings for installing the height adjusting rod 7 are also formed on two sides of the panel 2 corresponding to the U-shaped openings, namely, the installation position of the height adjusting rod 7 relative to the panel 2 can be adjusted. The top of the height adjusting rod 7 passes through the workpiece pressing plate 4 and is connected with a nut 9 at the top surface and the bottom surface of the workpiece pressing plate 4, and gaskets are arranged between the nut 9 and the top surface and the bottom surface of the panel 2; the bottom of the height adjusting rod 7 passes through the panel 2 and is connected with the nut 9 at the top and bottom surfaces of the panel 2, and washers are provided between the nut 9 and the top and bottom surfaces of the panel 2. The precise positioning of the ship pin shaft 3 is realized through the workpiece clamping and loosening and controlling part, namely, the position of the height adjusting rod 7 in the workpiece clamping and loosening and controlling part relative to the workpiece pressing plate 4 can adapt to the pressing tasks of the ship pin shaft 3 formed by various shafts with different lengths and plates with different thicknesses. The device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and has wide application range and high positioning accuracy.
A jacking air cylinder 10 is arranged right below the position corresponding to the through hole of the workpiece pressing plate 4, and a piston rod of the jacking air cylinder 10 is vertically arranged. The jacking cylinder 10 is installed at one side of the frame 1 through a bottom plate. The ship pin shaft 3 is transported to a position above the jacking cylinder 10 through the workpiece conveying trolley part, and a piston rod of the jacking cylinder 10 stretches out to push the ship pin shaft 3 to move upwards and press to the bottom surface of the workpiece pressing plate 4.
The workpiece conveying trolley part comprises a guide rail 11 arranged on one side of the frame 1 and a trolley comprising rollers 12 and a trolley frame 13, wherein the rollers 12 are arranged at the bottom of the trolley frame 13 of the trolley, and the rollers 12 are matched with the guide rail 11 and move along the guide rail 11 to convey workpieces to a workpiece clamping loosening and controlling part. Specifically, the guide rail 11 includes two guide rails 11 disposed in parallel, and four (not limited to four) rollers 12 are mounted on the bottom of the carriage 13. The ship pin shaft 3 is placed on the frame 13, a through hole opposite to a piston rod of the jacking cylinder 10 is formed in the frame 13, and the piston rod of the jacking cylinder 10 stretches out and passes through the through hole in the frame 13 to push the ship pin shaft 3 to move upwards and press to the bottom surface of the workpiece pressing plate 4. Or the piston rod of the jacking cylinder 10 directly jacks up the whole trolley. Because the ship pin shaft 3 is too heavy and is generally 20-45 kg/piece, an operator cannot easily put the ship pin shaft 3 at the corresponding pressing position of the workpiece pressing plate 4, and therefore the ship pin shaft 3 is put on the trolley to manually push the trolley and the ship pin shaft 3 to the position below the workpiece pressing plate 4, and the jacking cylinder 10 adopts a pedal cylinder. When the welding is finished, the lifting cylinder 10 is started, the piston rod of the lifting cylinder 10 is retracted, and the ship pin shaft 3 is loosened and pulled out.
An angle steel bracket 14 is further arranged on the frame 1 at a position corresponding to one side of the workpiece clamping and loosening and controlling part, and the angle steel bracket 14 can be directly welded on the frame 1. The angle steel bracket 14 is provided with a V-shaped limiting block 15 for limiting the ship pin shaft 3. Specifically, two V-shaped stoppers 15 (fig. 3) may be disposed on the angle bracket 14. During welding, the shaft of the ship pin shaft 3 is propped against the V-shaped limiting block 15.
A second part: as shown in fig. 7, the power transmission part includes a motor 16, the motor 16 is connected with a driving toothed belt wheel 17, the driving toothed belt wheel 17 is connected with two driven toothed belt wheels 19 through a synchronous belt 18, and the two driven toothed belt wheels 19 and the driving toothed belt wheel 17 are arranged in an isosceles triangle. The two driven toothed pulleys 19 are identical in structural dimension. Two bearing holes are formed in the panel 2, two driven toothed belt wheels 19 are connected with two corresponding rotating wheels 26 through bearings 20 and rotating shafts 21 mounted at the bearing holes, and the rotating wheels 26 are located above the panel 2. Specifically, as shown in fig. 8, both ends of the rotating shaft 21 are respectively connected with the rotating wheel 26 and the driven toothed pulley 19, and the bearing 20 is mounted at the bearing hole through the bearing spacer 22. The motor 16 is installed on the frame 1 through the motor cabinet 23, is equipped with motor tensioning seat on the motor cabinet 23, and motor tensioning seat is including being equipped with the tensioning board 24 of rectangular hole, and tensioning board 24 is connected with panel 2 bottom surface through installing in the bolt of rectangular hole department, specifically, opens four rectangular holes in four corner positions of tensioning board 24, can adjust the position of tensioning board 24 through this bolt and rectangular hole cooperation, and then realizes the tensioning to the motor.
As shown in fig. 9, the rotating wheel 26 is provided with a plurality of holes with different distances from the center of the rotating wheel 26, and for convenience of description, the holes are defined as reducing holes 25, the reducing holes 25 are all made according to the diameter of the welded junction 48 of the ship pin 3, or the distance from the center of the reducing holes 25 to the center of the rotating shaft 21 is equal to the radius of the welded junction 48 of the ship pin 3, and the precision of the reducing holes 25 is high. The runner 26 is connected with a welder position adjustment mechanism. The two wheels 26 are identical and the corresponding mounting positions and angles are identical. The diameter-variable holes 25 with different distances from the center of the rotating wheel 26 are arranged on the rotating wheel 26 to meet the welding work of the ship pin shafts 3 with different specifications and sizes, and the application range is wide.
Third section: the welding machine position adjusting mechanism comprises a connecting rod 27 at one end, as shown in fig. 10, a long strip hole with a length mark is arranged on the connecting rod 27, the long strip hole is defined as a large strip hole 28, a mounting block 29 (fig. 9) for connecting a pin shaft 30 is arranged in the large strip hole 28, and a hole for inserting the pin shaft 30 is arranged on the mounting block 29. The mounting block 29 is adjustable in position in the elongated hole 28, specifically, an adjusting hole 31 is provided at the side surface of the connecting rod 27 corresponding to both ends of the connecting rod 27, and the mounting block 29 is fastened by an adjusting bolt 32 penetrating through the adjusting hole 31. The connecting rod 27 is connected with the rotating wheels 26 through pin shafts 30, specifically, the bottom ends of the two pin shafts 30 are respectively inserted into the corresponding strain diameter holes of the two rotating wheels 26, and the top ends of the pin shafts 30 are respectively inserted into the mounting blocks 29. The position of the mounting block 29 in the elongated hole 28 of the connecting rod 27 can be replaced and fixed by tightening the adjusting bolt 32 according to the requirement. The rotating wheel 26 is driven by the power transmission part to rotate, and when the rotating wheel 26 rotates, the two ends of the connecting rod 27 are driven to rotate in the same direction around the center of the rotating wheel 26 correspondingly.
The link 27 is mounted with a welder lifting rod 33, and specifically, as shown in fig. 11, the bottom of the welder lifting rod 33 is mounted on the link 27 through a support 34, and the support 34 (fig. 12) is detachably fixed to one end of the link 27 through a bolt. The support 34 is internally provided with a locking sleeve 35, the bottom of the lifting rod 33 of the welding machine penetrates through the upper part of the support 34 and is inserted into the locking sleeve 35, as shown in fig. 13, the locking sleeve 35 is provided with a threaded hole 36, the side surface of the support 34 is also provided with a threaded hole coaxial with the threaded hole 36 on the locking sleeve 35, and a hexagonal bolt 37 sequentially penetrates through the threaded hole on the side surface of the support 34 and the threaded hole on the locking sleeve 35 and then is tightly propped against the lifting rod 33 of the welding machine, so that the lifting rod 33 of the welding machine is fixed in the locking sleeve 35. The height position of the lifting rod 33 of the welding machine can be adjusted by the design, and the height adjustment device is suitable for different heights of the ship pin shafts 3.
The top of the welder lifting rod 33 is hinged with a welder lifting plate 39, as shown in fig. 14-16, one end of the welder lifting plate 39 is hinged with the welder lifting rod 33 through a bottom pin 38, an arc-shaped hole 40 (fig. 14) is arranged on the welder lifting plate 39, and a supporting pin 41 passes through the arc-shaped hole 40 to be connected with the welder lifting rod 33. The bottom pin 38 and the support pin 41 may each be socket head cap bolts.
The welder lifting plate 39 is provided with a mounting rod 42 for mounting the welder, and the welder lifting plate 39 can be screwed and fixed with the mounting rod 42 through bolts. An adjusting cylinder 43 is obliquely arranged on the welding machine lifting rod 33, one end of the adjusting cylinder 43 is hinged with the welding machine lifting rod 33, a piston rod of the adjusting cylinder 43 is hinged with the mounting rod 42, and the adjusting cylinder 43 drives the welding gun 44, the mounting rod 42 and the welding machine lifting plate 39 to rotate around the bottom pin shaft 38. Specifically, a clamping plate 45 is arranged in the middle of the lifting rod 33 of the welding machine, and one end of the adjusting cylinder 43 is hinged with the clamping plate 45. When the piston rod of the adjusting cylinder 43 extends and retracts, the installing rod 42 and the welding machine lifting plate 39 are driven to rotate around the bottom pin shaft 38, the arc-shaped hole 40 on the welding machine lifting plate 39 swings when rotating, the swinging motion is limited by the supporting pin shaft 41, namely, the supporting pin shaft 41 and the arc-shaped hole 40 are matched to play roles of guiding, limiting and supporting stability.
The present invention shows only the portion of the welding gun 44 of the welding machine, the other portion being directly connected to the welding gun 44.
The mounting rod 42 is provided with a plurality of mounting holes 46, and a welding gun 44 of the welding machine and a piston rod of the adjusting cylinder 43 are connected with the mounting holes 46 in a matching way. The mounting positions of the welding gun 44 and the piston rod of the adjusting cylinder 43 can be adjusted according to actual needs. When the piston rod of the adjusting cylinder 43 extends, the welding gun 44 is separated from the weld opening 48 of the ship pin 3, when the piston rod of the adjusting cylinder 43 retracts, the welding gun 44 is close to the weld opening 48 of the ship pin 3, and the nozzle 47 of the welding gun 44 rotates with the rotating wheel 26 for one circle and rotates around the weld opening 48 of the ship pin 3 for one circle.
When the ship pin shaft 3 is specifically used, the ship pin shaft 3 is pushed in place, then the jacking cylinder 10 jacks up the ship pin shaft 3 and is pressed by the workpiece pressing plate 4, the power transmission part acts to drive the rotating wheel 26 to rotate, the rotating wheel 26 drives the welding gun 44 to approach the welding port 48 of the ship pin shaft 3 and strike fire, preheat the welding port 48, weld the welding gun 44, fire the welding gun 44 for annealing, the welding gun 44 is flamed out and leaves the workpiece, and the ship pin shaft 3 is loosened and pulled out.
When the welding gun 44 is ignited and the welding port 48 is preheated, the position of the nozzle 47 of the welding gun 44 is adjusted by adjusting the piston rod of the air cylinder 43 to be slightly away from the welding port 48, and after the preheating is finished, the position of the nozzle 47 of the welding gun 44 is adjusted by adjusting the piston rod of the air cylinder 43 to be close to the welding port 48 for welding. After the welding is completed, the welding gun 44 is lifted up by adjusting the piston rod of the cylinder 43.
The device is not limited to welding the ship pin 3, but is also applicable to welding or other processing operations of other similar structural components, clamping and positioning of the similar structural components, and the like.
The precise positioning of the ship pin shaft 3 is realized through the workpiece clamping and loosening and controlling part, namely, the position of the height adjusting rod 7 in the workpiece clamping and loosening and controlling part relative to the workpiece pressing plate 4 can adapt to the pressing tasks of the ship pin shaft 3 formed by various shafts with different lengths and plates with different thicknesses. The device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and has wide application range and high positioning accuracy.
The synchronous rotation of the two rotating wheels 26 is realized through the transmission mechanism, and then one circle of accurate welding of the welding gun 44 arranged on the rotating wheels 26 to the welded junction 48 of the ship pin shaft 3 is realized.
Holes with different distances from the center of the rotating wheel are formed in the rotating wheel 26, so that welding work of ship pin shafts 3 with different specifications and sizes is met, and the application range is wide.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements of the present invention should be extended to the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The automatic welding equipment for the ship pin shafts is characterized by comprising a frame, wherein a workpiece clamping and loosening control part and a welding machine part are arranged on the frame; the welding machine part is connected with the power transmission part through a welding machine position adjusting mechanism, and the power transmission part drives a welding gun in the welding machine part to act through the welding machine position adjusting mechanism so as to weld a ship pin shaft arranged at the workpiece clamping loosening and controlling part;
the workpiece clamping, loosening and controlling part comprises a workpiece pressing plate arranged on the frame, a through hole is formed in the workpiece pressing plate, a panel is arranged on the top surface of the frame, a limiting opening is formed in the panel, a jacking cylinder is arranged right below the position corresponding to the through hole of the workpiece pressing plate, the ship pin shaft is transported to the position above the jacking cylinder through the workpiece conveying trolley part, and a piston rod of the jacking cylinder stretches out to push the ship pin shaft to move upwards and press to the bottom surface of the workpiece pressing plate;
the power transmission part comprises a motor, the motor is connected with a driving toothed belt wheel, the driving toothed belt wheel is connected with two driven toothed belt wheels through a synchronous belt, and the two driven toothed belt wheels and the driving toothed belt wheel are arranged in an isosceles triangle; the panel is provided with two bearing holes, the two driven toothed belt wheels are respectively connected with the corresponding two rotating wheels through bearings and rotating shafts arranged at the bearing holes, and the rotating wheels are positioned above the panel; the rotating wheel is provided with a plurality of holes with different distances from the center of the rotating wheel, and the rotating wheel is connected with a welding machine position adjusting mechanism;
the welding machine position adjusting mechanism comprises a connecting rod at one end, a large strip hole is formed in the connecting rod, a mounting block for connecting pin shafts is mounted in the large strip hole, a hole for inserting pin shafts is formed in the mounting block, the position of the mounting block in the large strip hole is adjustable, adjusting holes are formed in the side faces of the connecting rod, corresponding to the two ends of the connecting rod, the mounting block is screwed and fixed through adjusting bolts penetrating through the adjusting holes, the connecting rod is connected with rotating wheels through pin shafts, the bottom ends of the two pin shafts are respectively inserted into the holes of the two rotating wheels in a corresponding mode, the top ends of the pin shafts are respectively inserted into the mounting block in a corresponding mode, the rotating wheels rotate under the driving of a power transmission part, two ends of the driving connecting rod are respectively rotated around the center of the rotating wheels in the same direction, a welding machine lifting rod is mounted on the connecting rod, the top of the welding machine lifting rod is hinged with a welding machine lifting plate, one end of the welding machine lifting plate is hinged with the welding machine lifting rod through a bottom pin shaft, an arc-shaped hole is formed in the welding machine lifting plate, and the supporting pin shaft penetrates through the arc-shaped hole to be connected with the welding machine lifting rod; the welding machine lifting plate is provided with a mounting rod for mounting the welding machine, the welding machine lifting rod is also obliquely provided with an adjusting cylinder, one end of the adjusting cylinder is hinged with the welding machine lifting rod, a piston rod of the adjusting cylinder is hinged with the mounting rod, and the adjusting cylinder drives the welding gun, the mounting rod and the welding machine lifting plate to rotate around the bottom pin shaft.
2. The automatic welding device for ship pin shafts according to claim 1, wherein the workpiece pressing plate is connected with the panel of the frame through a height adjusting rod, the top and the bottom of the height adjusting rod are screw rod ends, the top of the height adjusting rod penetrates through the workpiece pressing plate and is connected with the nut at the top and bottom positions of the workpiece pressing plate, and the bottom of the height adjusting rod penetrates through the panel and is connected with the nut at the top and bottom positions of the panel.
3. The automatic welding equipment for ship pin shafts according to claim 2, wherein the workpiece conveying trolley part comprises a guide rail arranged on one side of the frame and a pulley comprising rollers and a frame, wherein the rollers are arranged at the bottom of the frame of the pulley, and are matched with the guide rail and move along the guide rail to convey the workpiece to the workpiece clamping loosening and controlling part; the ship pin shaft is placed on the frame, a through hole opposite to a piston rod of the jacking cylinder is formed in the frame, and the piston rod of the jacking cylinder stretches out and passes through the through hole in the frame to push the ship pin shaft to move upwards and press to the bottom surface of the workpiece pressing plate.
4. The automatic welding equipment for ship pin shafts according to claim 3, wherein the frame is further provided with an angle steel bracket, and the angle steel bracket is provided with a V-shaped limiting block for limiting the ship pin shafts.
5. The automatic welding equipment for ship pin shafts according to claim 4, wherein the motor is mounted on the frame through a motor seat, a motor tensioning seat is arranged on the motor seat, the motor tensioning seat comprises a tensioning plate provided with a strip hole, and the tensioning plate is connected with the panel through a bolt mounted at the strip hole.
6. The automatic welding equipment for ship pin shafts according to claim 5, wherein the mounting rod is provided with a plurality of mounting holes, and a welding gun of the welding machine and a piston rod of the adjusting cylinder are connected with the mounting holes in a matched mode.
7. The automatic welding equipment for ship pin shafts according to claim 6, wherein the welding gun is separated from the weld opening of the ship pin shaft when the piston rod of the adjusting cylinder extends out, the welding gun is close to the weld opening of the ship pin shaft when the piston rod of the adjusting cylinder retracts, and the nozzle of the welding gun rotates one circle along with the rotating wheel and rotates one circle around the weld opening of the ship pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210537232.5A CN114682959B (en) | 2022-05-17 | 2022-05-17 | Automatic welding equipment for ship pin shafts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210537232.5A CN114682959B (en) | 2022-05-17 | 2022-05-17 | Automatic welding equipment for ship pin shafts |
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| CN114682959A CN114682959A (en) | 2022-07-01 |
| CN114682959B true CN114682959B (en) | 2023-11-03 |
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| KR20090027081A (en) * | 2007-09-11 | 2009-03-16 | 희영산업(주) | Welding device of the rail for a ship |
| CN203265978U (en) * | 2013-05-17 | 2013-11-06 | 扬州金源机器人自动化设备有限公司 | Five-axis linkage welding mechanical hand |
| CN105583544A (en) * | 2016-03-09 | 2016-05-18 | 福州职业技术学院 | Spin pulley welding machine tool |
| CN109158811A (en) * | 2018-09-04 | 2019-01-08 | 浙江摩科机器人科技有限公司 | A kind of special fixture of gas-liquid separator multiple spot MIG welding |
| CN210908656U (en) * | 2019-11-15 | 2020-07-03 | 南京工程学院 | Vertical double-welding-gun automatic girth welding device capable of achieving accurate positioning |
| CN111958152A (en) * | 2020-07-22 | 2020-11-20 | 中船澄西船舶修造有限公司 | Automatic welding platform for bottom surfaces of ship sections |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090027081A (en) * | 2007-09-11 | 2009-03-16 | 희영산업(주) | Welding device of the rail for a ship |
| CN203265978U (en) * | 2013-05-17 | 2013-11-06 | 扬州金源机器人自动化设备有限公司 | Five-axis linkage welding mechanical hand |
| CN105583544A (en) * | 2016-03-09 | 2016-05-18 | 福州职业技术学院 | Spin pulley welding machine tool |
| CN109158811A (en) * | 2018-09-04 | 2019-01-08 | 浙江摩科机器人科技有限公司 | A kind of special fixture of gas-liquid separator multiple spot MIG welding |
| CN210908656U (en) * | 2019-11-15 | 2020-07-03 | 南京工程学院 | Vertical double-welding-gun automatic girth welding device capable of achieving accurate positioning |
| CN111958152A (en) * | 2020-07-22 | 2020-11-20 | 中船澄西船舶修造有限公司 | Automatic welding platform for bottom surfaces of ship sections |
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| CN114682959A (en) | 2022-07-01 |
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