CN114682959A - Automatic welding equipment for ship pin shaft - Google Patents

Automatic welding equipment for ship pin shaft Download PDF

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Publication number
CN114682959A
CN114682959A CN202210537232.5A CN202210537232A CN114682959A CN 114682959 A CN114682959 A CN 114682959A CN 202210537232 A CN202210537232 A CN 202210537232A CN 114682959 A CN114682959 A CN 114682959A
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CN
China
Prior art keywords
pin shaft
welding machine
welding
ship
rod
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Granted
Application number
CN202210537232.5A
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Chinese (zh)
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CN114682959B (en
Inventor
王智勇
鲁帅帅
孙超
王新宇
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Jinan Zhongchuan Equipment Co ltd
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Jinan Zhongchuan Equipment Co ltd
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Priority to CN202210537232.5A priority Critical patent/CN114682959B/en
Publication of CN114682959A publication Critical patent/CN114682959A/en
Application granted granted Critical
Publication of CN114682959B publication Critical patent/CN114682959B/en
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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 a ship pin shaft, which comprises a rack, wherein a workpiece clamping, loosening and controlling part and a welding machine part are arranged on the rack; the welding machine part is connected with the power transmission part through the 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 to weld the ship pin shaft placed at the workpiece clamping and loosening and control part. The accurate positioning of the ship pin shafts with different lengths is realized through clamping and loosening of the workpiece and control of the workpiece, the ship pin shaft positioning device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and is wide in application range and high in positioning accuracy. The synchronous rotation of the two rotating wheels is realized through the transmission mechanism, and then the accurate welding of a welding gun installed on the rotating wheels to a circle of the welding port of the ship pin shaft is realized. The holes with different distances from the center of the rotating wheel are formed in the rotating wheel, so that the welding work of ship pin shafts with different specifications and sizes is met, and the application range is wide.

Description

Automatic welding equipment for ship pin shaft
Technical Field
The invention relates to the technical field of welding equipment, in particular to automatic welding equipment for a ship pin shaft.
Background
A large-sized ship is provided with a pin shaft (as shown in figure 1), a shaft and a plate are welded together, and the welding part is provided with a chamfer of 5 mm-10 mm. The diameter of the shaft is 60 mm-120 mm, and the length of the shaft is 400 mm-700 mm.
The welding position, namely the crater position, is required to be continuous and smooth, the welding flux is allowed to be 1-3 mm higher than the base metal and is arc-shaped, looseness, cracks, air hole and sand holes are not allowed, welding slag is not allowed to be left, local preheating is required before welding, heat preservation is carried out after welding to eliminate welding stress, and ultrasonic detection is carried out after welding so as to reach the percent qualification and really achieve the purpose of being absolutely free.
The manual hand-held welding gun is used for welding, air holes are formed in the inner portion of a welding opening, preheating before welding cannot be carried out, cracks often appear after tempering is not timely carried out, and the qualification rate of products detected by the 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 a ship pin shaft.
The automatic welding equipment for the ship pin shaft comprises a rack, wherein a workpiece clamping, loosening and controlling part and a welding machine part are arranged on the rack; the welding machine part is connected with the power transmission part through the 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 to weld the ship pin shaft placed at the workpiece clamping and loosening and control part.
Further, the workpiece clamping, loosening and controlling part comprises a workpiece pressing plate arranged on the rack, the workpiece pressing plate is provided with a through hole, the top surface of the rack is provided with a panel, the panel is provided with a limiting opening, a jacking cylinder is arranged right below the position corresponding to the through hole of the workpiece pressing plate, the ship pin shaft is partially transported to the position above the jacking cylinder through the workpiece conveying trolley, and a piston rod of the jacking cylinder extends out to push the ship pin shaft to move upwards to be pressed to the bottom surface of the workpiece pressing plate.
Furthermore, the workpiece pressing plate is connected with a panel of the rack through a height adjusting rod, the top and the bottom of the height adjusting rod are screw ends, the top of the height adjusting rod penetrates through the workpiece pressing plate and is connected with a nut 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 nut at the top surface and the bottom surface of the panel.
Furthermore, the workpiece conveying trolley part comprises a guide rail arranged on one side of the rack and a pulley comprising a roller and a frame, wherein the roller is arranged at the bottom of the frame of the pulley, and the roller is matched with the guide rail and moves 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 which is opposite to the piston rod of the jacking cylinder is formed in the frame, and the piston rod of the jacking cylinder extends out of the through hole in the frame to push the ship pin shaft to move upwards and press the bottom surface of the workpiece pressing plate.
Furthermore, an angle steel support is further arranged on the rack, and a V-shaped limiting block for limiting the ship pin shaft is arranged on the angle steel support.
Furthermore, 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 shape; the panel is provided with two bearing holes, the two driven toothed belt wheels are respectively connected with two corresponding 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 the welding machine position adjusting mechanism.
Further, the motor passes through the motor cabinet to be installed in the frame, be equipped with motor tensioning seat on the motor cabinet, motor tensioning seat is connected with the panel through installing the bolt in rectangular hole department including the tensioning plate that is equipped with rectangular hole.
Furthermore, 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 rotate around the centers of the rotating wheel correspondingly and respectively around two ends, a welding machine lifting rod is installed 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 an installation rod for installing the welding machine, the welding machine lifting rod is further obliquely provided with an adjusting cylinder, one end of the adjusting cylinder is hinged to the welding machine lifting rod, a piston rod of the adjusting cylinder is hinged to the installation rod, and the adjusting cylinder drives the welding gun, the installation rod and the welding machine lifting plate to rotate around a bottom pin shaft.
Furthermore, 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.
Furthermore, when the piston rod of the adjusting cylinder extends out, the welding gun leaves the welding opening of the ship pin shaft, when the piston rod of the adjusting cylinder retracts, the welding gun is close to the welding opening of the ship pin shaft, and the nozzle of the welding gun rotates along with the rotating wheel for one circle and rotates for one circle around the welding opening of the ship pin shaft.
In summary, the technical scheme of the invention has the following beneficial effects:
according to the invention, the accurate positioning of the ship pin shaft is realized through the workpiece clamping, loosening and controlling part, namely, the ship pin shaft compression task formed by various shafts with different lengths and plates with different thicknesses can be adapted through the position of the height adjusting rod in the workpiece clamping, loosening and controlling part relative to the workpiece pressing plate. The positioning device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and has wide application range and high positioning accuracy.
Synchronous rotation of the two rotating wheels is achieved through the transmission mechanism, and then the welding gun installed on the rotating wheels can accurately weld the ship pin shaft weld crater.
The holes with different distances from the center of the rotating wheel are formed in the rotating wheel, so that the welding work of ship pin shafts with different specifications and sizes is met, and the application range is wide.
The equipment has simple and practical structure, less investment and quick effect.
Drawings
Fig. 1 is a structural view of a ship pin.
Fig. 2 is a view of the overall structure of the present invention (with the boat pin).
Fig. 3 is a view of the overall structure of the present invention (without the boat pin).
Fig. 4 is a front view of the present invention.
Fig. 5 is a partially enlarged view of a in fig. 4.
Fig. 6 is a partially enlarged view of B in fig. 2.
Fig. 7 is a bottom view of the present invention.
Fig. 8 is a sectional view a-a of fig. 3.
Fig. 9 is a partially enlarged view of fig. 2.
Fig. 10 is a structural view of the link.
Fig. 11 is a partial enlarged view of D in fig. 4.
Fig. 12 is a structural view of the holder.
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:
1 rack, 2 panels, 3 ship pins, 4 workpiece pressing plates, 5 through holes, 6 limit notches, 7 height adjusting rods, 8 screw ends, 9 nuts, 10 jacking cylinders, 11 guide rails, 12 rollers, 13 frames, 14 angle steel supports, 15V-shaped limit blocks, 16 motors, 17 driving toothed belt pulleys, 18 synchronous belts, 19 driven toothed belt pulleys, 20 bearings, 21 rotating shafts, 22 bearing spacers, 23 motor bases, 24 tensioning plates, 25 reducing holes, 26 rotating wheels, 27 connecting rods, 28 large and long strip holes, 29 mounting blocks, 30 pins, 31 adjusting holes, 32 adjusting bolts, 33 welding machine lifting rods, 34 supports, 35 locking sleeves, 36 threaded holes, 37 hexagonal bolts, 38 bottom pins, 39 welding machine lifting plates, 40 arc-shaped holes, 41 supporting pins, 42 mounting rods, 43 adjusting cylinders, 44 welding guns, 45 clamping plates, 46 mounting holes, 47 nozzles and 48 welding openings.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and are not intended to limit the scope of the invention.
The automatic welding equipment for the ship pin shaft comprises a rack 1, wherein the rack 1 is formed by welding angle steel, a panel 2 is fixedly installed at the top of the rack 1, and the rack 1 and the panel 2 are installation bases of all structural components of the welding equipment.
Specifically, as shown in fig. 2-4, a workpiece clamping, releasing and controlling part and a welding machine part are arranged on the frame 1; the welding machine part is connected with the power transmission part through the 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 to weld the ship pin shaft 3 placed at the workpiece clamping, loosening and controlling part.
First, the first part: the workpiece clamping, loosening and controlling part comprises a workpiece pressing plate 4 arranged on the rack 1, specifically, the workpiece pressing plate 4 is a flat plate, the workpiece pressing plate 4 is located above the panel 2 for a certain distance, and the specific height position of the workpiece pressing plate can be adjusted. The workpiece pressing plate 4 is provided with a through hole 5 at a central position (not limited to the central position), and the through hole 5 can be a circular hole (not limited to a circular hole). The through hole is a hole with a diameter about 20mm larger than the crater 48. The position of the through hole corresponds to the position of the welding opening 48 at the top of the ship pin shaft 3. A limiting opening 6 (figure 3) is arranged at one side position of the panel 2, and the limiting opening 6 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 correspondingly. The limiting gap can adopt a U-shaped gap or other gaps.
The workpiece pressure 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 adopt 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 rods 7 are also formed in the two sides, corresponding to the U-shaped openings, of the panel 2, namely the installation positions of the height adjusting rods 7 relative to the panel 2 can be adjusted. The top of the height adjusting rod 7 penetrates through the workpiece pressing plate 4 and is connected with the nut 9 at the top surface and the bottom surface of the workpiece pressing plate 4, and a gasket is 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 positions of the panel 2, and a washer is arranged between the nut 9 and the top and bottom of the panel 2. The accurate positioning of the ship pin shaft 3 is realized through the workpiece clamping, loosening and controlling part, namely, the ship pin shaft 3 formed by various shafts with different lengths and plates with different thicknesses can be compressed by the position of the height adjusting rod 7 in the workpiece clamping, loosening and controlling part relative to the workpiece pressing plate 4. The positioning 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 cylinder 10 is arranged right below the through hole of the corresponding workpiece pressing plate 4, and a piston rod of the jacking cylinder 10 is vertically arranged. The jacking cylinder 10 is installed at one side position of the frame 1 through a bottom plate. The ship pin shaft 3 is transported to the position above the jacking cylinder 10 through the workpiece conveying trolley part, and the piston rod of the jacking cylinder 10 extends out to push the ship pin shaft 3 to move upwards and press 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 rack 1 and a pulley comprising a roller 12 and a frame 13, wherein the roller 12 is arranged at the bottom of the frame 13 of the pulley, and the roller 12 is matched with the guide rail 11 and moves along the guide rail 11 to convey a workpiece to the workpiece clamping, loosening and controlling part. Specifically, the guide rail 11 includes two guide rails 11 arranged 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 which is opposite to the piston rod of the jacking cylinder 10 is formed in the frame 13, and the piston rod of the jacking cylinder 10 extends out to penetrate through the through hole in the frame 13 to push the ship pin shaft 3 to move upwards and press 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 boats and ships round pin axle 3 is too heavy, generally 20 ~ 45 kilograms/piece, the operator is difficult to put boats and ships round pin axle 3 to the position that compresses tightly that work piece clamp plate 4 corresponds, consequently adopts to put boats and ships round pin axle 3 and push away the dolly and boats and ships round pin axle 3 to the position of work piece clamp plate 4 below on the dolly by the manual work, and jacking cylinder 10 adopts foot-operated cylinder. When the welding is finished, the jacking cylinder 10 is started, the piston rod of the jacking cylinder 10 retracts, and the ship pin shaft 3 is loosened and pulled out.
An angle iron bracket 14 is further arranged on the machine frame 1 at a position corresponding to one side of the workpiece clamping, loosening and controlling part, and the angle iron bracket 14 can be directly welded on the machine frame 1. The angle iron bracket 14 is provided with a V-shaped limiting block 15 for limiting the ship pin shaft 3. Specifically, an upper V-shaped stopper 15 and a lower V-shaped stopper 15 (fig. 3) may be disposed on the angle bracket 14. During welding, the shaft of the ship pin shaft 3 abuts against the V-shaped limiting block 15.
A second part: as shown in fig. 7, the power transmission portion includes a motor 16, the motor 16 is connected to a driving toothed pulley 17, the driving toothed pulley 17 is connected to two driven toothed pulleys 19 through a synchronous belt 18, and the two driven toothed pulleys 19 and the driving toothed pulley 17 are arranged in an isosceles triangle. The two driven toothed pulleys 19 are identical in structural size. Two bearing holes are arranged on the panel 2, the two driven toothed belt wheels 19 are respectively connected with two corresponding rotating wheels 26 through bearings 20 and rotating shafts 21 arranged at the bearing holes, and the rotating wheels 26 are positioned above the panel 2. Specifically, as shown in fig. 8, both ends of the rotating shaft 21 are connected to the runner 26 and the driven toothed pulley 19, respectively, and the bearing 20 is mounted at the bearing hole through the bearing spacer 22. Motor 16 passes through motor cabinet 23 and installs in frame 1, is equipped with motor tensioning seat on the motor cabinet 23, and motor tensioning seat is connected with 2 bottoms of panel through installing the bolt in rectangular hole department including the tensioning plate 24 that is equipped with the rectangular hole, tensioning plate 24 specifically, opens four rectangular holes in four corner positions of tensioning plate 24, can adjust the position of tensioning plate 24 through this bolt and rectangular hole cooperation, and then realize 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, for convenience of description, the holes are defined as reducing holes 25, the reducing holes 25 are all manufactured according to the diameter of the weld opening 48 of the ship pin shaft 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 weld opening 48 of the ship pin shaft 3, and the precision of the reducing holes 25 is very high. The wheel 26 is connected to 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 which are arranged on the rotating wheel 26 and have different distances from the center of the rotating wheel 26 meet the welding work of the ship pin shafts 3 with different specifications and sizes, and the application range is wide.
And a third part: 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 position of the mounting block 29 in the long hole 28 is adjustable, specifically, the side of the connecting rod 27 is provided with adjusting holes 31 corresponding to the two ends of the connecting rod 27, and the mounting block 29 is screwed and fixed by adjusting bolts 32 passing through the adjusting holes 31. The connecting rod 27 is connected to the rotating wheels 26 through pins 30, specifically, the bottom ends of the two pins 30 are respectively inserted into the corresponding diameter-variable holes of the two rotating wheels 26, and the top ends of the pins 30 are respectively inserted into the mounting blocks 29. The position of the mounting block 29 in the long hole 28 of the connecting rod 27 can be replaced and then screwed and fixed by 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 around the center of the rotating wheel 26 correspondingly and in the same direction.
The connecting rod 27 is provided with a welding machine lifting rod 33, specifically, as shown in fig. 11, the bottom of the welding machine lifting rod 33 is arranged on the connecting rod 27 through a support 34, and the support 34 (fig. 12) is detachably fixed at one end of the connecting rod 27 through a bolt. The support 34 is internally provided with a locking sleeve 35, the bottom of the welding machine lifting rod 33 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 in the locking sleeve 35, and a hexagon bolt 37 sequentially penetrates through the threaded hole in the side surface of the support 34 and the threaded hole in the locking sleeve 35 and then is tightly propped against the welding machine lifting rod 33, so that the welding machine lifting rod 33 is fixed in the locking sleeve 35. The height position adjustment of welding machine lifter 33 can be realized to this design, adapts to different boats and ships round pin axle 3 height.
The top of the welding machine lifting rod 33 is hinged with a welding machine lifting plate 39, as shown in fig. 14-16, one end of the welding machine lifting plate 39 is hinged with the welding machine lifting rod 33 through a bottom pin shaft 38, an arc-shaped hole 40 (fig. 14) is arranged on the welding machine lifting plate 39, and a supporting pin shaft 41 passes through the arc-shaped hole 40 and is connected with the welding machine lifting rod 33. The bottom pin 38 and the support pin 41 may be both socket head cap screws.
The welding machine lifting plate 39 is provided with a mounting rod 42 for mounting the welding machine, and the welding machine lifting plate 39 can be screwed and fixed with the mounting rod 42 through bolts. An adjusting cylinder 43 is also 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 at the middle position of the welding machine lifting rod 33, 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 mounting rod 42 and the welding machine lifting plate 39 are driven to rotate around the bottom pin shaft 38, the arc-shaped hole 40 in the welding machine lifting plate 39 swings while the welding machine lifting plate rotates, the swinging motion is limited by the supporting pin shaft 41, and the supporting pin shaft 41 is matched with the arc-shaped hole 40 to play a role in guiding, limiting and supporting stably.
The present invention only shows the torch 44 portion of the welder, with the other portions being directly connected to the torch 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 matched and connected with the mounting holes 46. The installation 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 leaves the welding opening 48 of the ship pin shaft 3, when the piston rod of the adjusting cylinder 43 retracts, the welding gun 44 approaches the welding opening 48 of the ship pin shaft 3, and the rotating wheel 26 rotates one circle, so that the nozzle 47 of the welding gun 44 rotates one circle along with the rotating wheel 26 and rotates one circle around the welding opening 48 of the ship pin shaft 3.
When the ship pin shaft 3 is used in place, the jacking cylinder 10 jacks up the ship pin shaft 3 and tightly presses the ship pin shaft 3 through the workpiece pressing plate 4, the power transmission part moves to drive the rotating wheel 26 to rotate, the rotating wheel 26 drives the welding gun 44 to approach to the welding port 48 of the ship pin shaft 3 and fire, the welding port 48 is preheated, the welding gun 44 is welded, the welding gun 44 is subjected to flame-out annealing, the welding gun 44 is flamed out and leaves the workpiece, and the ship pin shaft 3 is loosened and pulled out.
During the ignition and the preheating of the crater 48, the position of the nozzle 47 of the welding torch 44 is adjusted by adjusting the piston rod of the cylinder 43 so as to be slightly away from the crater 48, and after the preheating is completed, the position of the nozzle 47 of the welding torch 44 is adjusted by adjusting the piston rod of the cylinder 43 so as to be close to the crater 48 for welding. After welding, the welding gun 44 is raised by adjusting the piston rod of the cylinder 43.
The device is not limited to the welding of the ship pin shaft 3, but also is suitable for the welding or other processing operation of other similar structural components, the clamping and positioning of the similar structural components and the like.
The accurate positioning of the ship pin shaft 3 is realized through the workpiece clamping, loosening and controlling part, namely, the ship pin shaft 3 formed by various shafts with different lengths and plates with different thicknesses can be compressed by the position of the height adjusting rod 7 in the workpiece clamping, loosening and controlling part relative to the workpiece pressing plate 4. The positioning device is suitable for shafts with different lengths and thicknesses and plates with different thicknesses, and has wide application range and high positioning accuracy.
Synchronous rotation of the two rotating wheels 26 is achieved through the transmission mechanism, and therefore one circle of accurate welding of the welding gun 44 installed on the rotating wheels 26 to the welding opening 48 of the ship pin shaft 3 is achieved.
The holes with different distances from the center of the rotating wheel are formed in the rotating wheel 26, so that the welding work of the ship pin shaft 3 with different specifications and sizes is met, and the application range is wide.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.

Claims (10)

1. The automatic welding equipment for the ship pin shaft is characterized by comprising a rack, wherein a workpiece clamping, loosening and controlling part and a welding machine part are arranged on the rack; the welding machine part is connected with the power transmission part through the 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 to weld the ship pin shaft placed at the workpiece clamping and loosening and control part.
2. The automatic welding equipment for the ship pin shaft according to claim 1, wherein the workpiece clamping, loosening and controlling part comprises a workpiece pressing plate arranged on a rack, the workpiece pressing plate is provided with a through hole, the top surface of the rack is provided with a panel, the panel is provided with a limiting notch, 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 extends out to push the ship pin shaft to move upwards and press the bottom surface of the workpiece pressing plate.
3. The automatic welding equipment for the ship pin shaft according to claim 2, wherein the workpiece pressing plate is connected with a panel of the rack through a height adjusting rod, the top and the bottom of the height adjusting rod are screw ends, the top of the height adjusting rod penetrates through the workpiece pressing plate and is connected with the nut 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 nut at the top surface and the bottom surface of the panel.
4. The automatic welding equipment for the ship pin shaft as claimed in claim 2, wherein the workpiece conveying trolley part comprises a guide rail arranged on one side of the rack and a pulley comprising a roller and a frame, the roller is arranged at the bottom of the frame of the pulley, the roller is matched with the guide rail and moves 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 right opposite to a piston rod of the jacking cylinder is formed in the frame, and the piston rod of the jacking cylinder extends out to penetrate through the through hole in the frame to push the ship pin shaft to move upwards to be pressed to the bottom surface of the workpiece pressing plate.
5. The automatic welding equipment for the ship pin shaft according to claim 2, wherein an angle steel support is further arranged on the rack, and a V-shaped limiting block for limiting the ship pin shaft is arranged on the angle steel support.
6. The automatic welding equipment for the ship pin shaft according to claim 2, wherein 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 shape; the panel is provided with two bearing holes, the two driven toothed belt wheels are respectively connected with two corresponding 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 the welding machine position adjusting mechanism.
7. The automatic welding equipment for ship pin shafts according to claim 6, wherein the motor is installed on the frame through a motor base, the motor base is provided with a motor tensioning base, the motor tensioning base comprises a tensioning plate provided with a strip hole, and the tensioning plate is connected with the panel through a bolt installed at the strip hole.
8. The automatic welding equipment for the ship pin shaft according to claim 6, wherein the welding machine position adjusting mechanism comprises a connecting rod at one end, two ends of the connecting rod are respectively inserted into the holes of the rotating wheel through pin shafts, the rotating wheel rotates to drive two ends of the connecting rod to respectively and correspondingly rotate around the center of the rotating wheel, a welding machine lifting rod is installed 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 an installation rod for installing the welding machine, the welding machine lifting rod is further obliquely provided with an adjusting cylinder, one end of the adjusting cylinder is hinged to the welding machine lifting rod, a piston rod of the adjusting cylinder is hinged to the installation rod, and the adjusting cylinder drives the welding gun, the installation rod and the welding machine lifting plate to rotate around a bottom pin shaft.
9. The automatic welding equipment for the ship pin shaft according to claim 8, wherein a plurality of mounting holes are formed in the mounting rod, and a welding gun of a welding machine and a piston rod of the adjusting cylinder are connected with the mounting holes in a matched manner.
10. The automatic welding equipment for the ship pin shaft according to claim 8, wherein the welding gun leaves the weld opening of the ship pin shaft when the piston rod of the adjusting cylinder extends out, the welding gun approaches 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 along with the rotating wheel and rotates around the weld opening of the ship pin shaft by one circle.
CN202210537232.5A 2022-05-17 2022-05-17 Automatic welding equipment for ship pin shafts Active CN114682959B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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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