CN114101849A - Gas shielded welding equipment for thin plate spot welding - Google Patents
Gas shielded welding equipment for thin plate spot welding Download PDFInfo
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- CN114101849A CN114101849A CN202111489785.XA CN202111489785A CN114101849A CN 114101849 A CN114101849 A CN 114101849A CN 202111489785 A CN202111489785 A CN 202111489785A CN 114101849 A CN114101849 A CN 114101849A
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- 238000003466 welding Methods 0.000 title claims abstract description 190
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/007—Spot arc welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/133—Means for feeding electrodes, e.g. drums, rolls, motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
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Abstract
The invention relates to the technical field of gas shielded welding, in particular to gas shielded welding equipment for spot welding of thin plates. The welding device comprises a base, a fixing plate and a welding assembly; two groups of protection plates are arranged on the base, and one sides of the two groups of protection plates, which are far away from the base, are connected through a fixing plate; the protective plate is provided with a supporting component, the adjusting component is arranged on the supporting component, and the fixing plate is provided with a driving device; the movable supporting plate is arranged on the protective plate in a sliding mode, the spring is arranged on the protective plate and abuts against the sliding block, and the movable supporting plate is provided with a rack; the movable seat is arranged on the movable supporting plate in a sliding manner, and an electric cylinder of a moving motor B is arranged on the movable seat; a rotating shaft of the motor B is provided with a fixed column; the bevel gear A and the gear are arranged on the fixed column; the sliding rod is arranged on the movable seat in a sliding mode and is in threaded connection with the threaded column rotating on the movable seat; the bevel gear B is arranged on the threaded column and is in meshed transmission connection with the bevel gear A. The movement and angle adjustment of the welding assembly are integrated, so that the welding assembly is more intelligent.
Description
Technical Field
The invention relates to the technical field of gas shielded welding, in particular to gas shielded welding equipment for spot welding of thin plates.
Background
The protective gas forms a gas protective layer around the arc, so that the arc and the molten pool are separated from air, the influence of harmful gas is prevented, and the stable combustion of the arc is ensured. Gas shielded welding can be classified according to the state of an electrode, the operation mode, the type of shielding gas, the electrical characteristics, the polarity, the application range, and the like. The gas shielded welding has the advantages that: the electric arc linearity is good, the centering is easy, and the all-position welding and the automatic welding are easy to realize; the electric arc heat is concentrated, the molten pool is small, the welding speed is high, the heat affected zone is narrow, the deformation of the weldment is small, the anti-cracking capability is strong, and the welding seam quality is good.
When the existing thin plate electric welding equipment works, when different positions of a thin plate are welded and the welding angle is adjusted, a plurality of groups of equipment are needed to work simultaneously to adjust the welding equipment, the structure is complex, the control is complex, and the intelligent welding equipment is not enough.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a welding assembly moving and welding angle adjusting device which can integrally realize the movement and welding angle adjustment of a welding assembly; more intelligent gas shielded welding equipment for thin plate spot welding.
On one hand, the invention provides gas shielded welding equipment for spot welding of a thin plate, which comprises a base, a protection plate, a fixing plate and a welding assembly, wherein the base is provided with a plurality of welding holes;
two groups of protection plates are arranged on the base, and one sides of the two groups of protection plates, which are far away from the base, are connected through a fixing plate; the protective plate is provided with a supporting component for fixing the welding component, the adjusting component is arranged on the supporting component, and the fixing plate is provided with a driving device for driving the adjusting component to move up and down;
the support assembly comprises a movable support plate, a sliding block, a spring, a movable seat, a motor B, a bevel gear A, a bevel gear B, a gear, a threaded column and a sliding rod; two ends of the movable supporting plate are arranged on the protective plate in a sliding mode through the sliding block, the spring is arranged on the protective plate and abuts against the sliding block, and the movable supporting plate is provided with a rack; the movable seat is arranged on the movable supporting plate in a sliding manner, and an electric cylinder is arranged on the movable seat; the motor B is arranged on the movable seat in a sliding mode and connected with a telescopic rod of the electric cylinder, and a rotating shaft of the motor B is provided with a fixing column; the bevel gear A and the gear are arranged on the fixed column, and the bevel gear A is positioned below the gear; the sliding rod is arranged on the movable seat in a sliding mode, and the threaded column is arranged on the movable seat in a rotating mode and is in threaded connection with the sliding rod; the bevel gear B is arranged on the threaded column and is in meshed transmission connection with the bevel gear A, and the bevel gear B is located below the bevel gear A.
Preferably, the welding assembly comprises a welding main body, a connector and a welding wire; the welding main body is provided with a wire feeder for moving welding wires and a contact nozzle for electrifying; the connector is arranged on the welding main body and is positioned below the conductive nozzle, and an air supply pipe is arranged on the connector.
Preferably, the connector is detachably connected with the welding main body, and the air supply pipe is a hose.
Preferably, the device also comprises a connecting piece A, a connecting piece B, a connecting piece C and a connecting piece D; the connecting piece A is arranged on the welding main body in a sliding mode, and the connecting piece B is arranged on the connecting piece A in a rotating mode and connected with the sliding rod; connecting piece C sets up on welding subject, and connecting piece D sets up on the sliding seat and rotates with connecting piece C and be connected.
Preferably, the connecting piece C is provided with an angle scale for displaying the inclination angle of the welding main body.
Preferably, the driving means comprises a motor a and a cam; the motor A is arranged on the fixing plate, and a cam is arranged on a rotating shaft of the motor A.
Preferably, the adjusting component comprises a fixed sleeve, a threaded column and a locking nut; the fixed sleeve is arranged on the movable supporting plate, the threaded column is in threaded connection with the fixed sleeve, and a pressure plate is arranged on the threaded column; the locking nut is in threaded connection with the threaded column and abuts against the fixed sleeve.
Preferably, the gas collecting hood and the exhaust pipe are also included; the gas collecting channel is arranged on the protection plate, and the gas collecting channel is provided with an exhaust pipe.
Preferably, the protection plate is provided with a transparent observation window.
On the other hand, the invention also provides an operation method of the gas shielded welding equipment for spot welding of the thin plate, which comprises the following specific steps:
s1, mounting the support assembly on the protection plate, then rotating a cam on the driving device to push the adjusting assembly, the support assembly and the welding assembly to move, and adjusting the distance between the welding wire and the thin plate on the welding assembly by matching with the adjusting assembly;
when the adjusting assembly in S2 and S1 is adjusted, firstly, the locking nut is loosened, then the pressure plate is rotated to rotate the threaded column, and after the distance is adjusted, the locking nut is screwed down to be fixed;
s3, when the welding position needs to be adjusted, an electric cylinder on the supporting component is started to push a motor B, so that a bevel gear B on the fixed column is separated from a bevel gear A, meanwhile, a gear on the fixed column slides onto the movable supporting plate and is meshed with the rack, and the motor B works to drive the movable seat to slide on the movable supporting plate, so that the welding position is adjusted; when the welding angle of the welding assembly needs to be adjusted, the motor B is pulled through the electric cylinder, so that the gear on the fixed column is separated from the rack, the bevel gear B on the fixed column is meshed with the bevel gear A, the motor B is started to drive the threaded column to rotate, the sliding rod slides out and pushes the welding assembly to rotate, and the connecting piece A slides on the welding main body to offset displacement generated by rotation of the welding main body; the rotation angle of the welding assembly is accurately adjusted through an angle scale arranged on the connecting piece C;
and S4, starting the driving device to push the support assembly and the welding assembly on the support assembly to weld in a reciprocating mode, and feeding different shielding gases into the welding main body through the gas feed pipe according to different welding materials to perform shielding.
Compared with the prior art, the invention has the following beneficial technical effects: when the welding device is operated, the movable supporting plate is arranged on the protective plate through the sliding block and abuts against the spring, then the cam on the driving device is rotated to push the adjusting assembly, the movable seat and the welding assembly to move, and meanwhile, the distance between a welding wire and a thin plate on the welding assembly is adjusted by matching with the adjusting assembly; when the adjusting assembly is adjusted, firstly loosening the locking nut, then rotating the pressure plate to rotate the threaded column, adjusting the distance, and then screwing the locking nut to fix the threaded column; the structure is simple, the operation is convenient, the maintenance is convenient, and the cost is saved; when the welding position needs to be adjusted, an electric cylinder on the supporting assembly is started to push a motor B, so that a bevel gear B on the fixed column is separated from a bevel gear A, meanwhile, a gear on the fixed column slides into the movable supporting plate and is meshed with the rack, and the motor B works to drive the movable seat to slide on the movable supporting plate, so that the welding position is adjusted; when the welding angle of the welding assembly needs to be adjusted, the motor B is pulled through the electric cylinder, so that the gear on the fixed column is separated from the rack, the bevel gear B on the fixed column is meshed with the bevel gear A, the motor B is started to drive the threaded column to rotate, the sliding rod slides out and pushes the welding assembly to rotate, and the connecting piece A slides on the welding main body to offset displacement generated by rotation of the welding main body; the rotation angle of the welding assembly is accurately adjusted through an angle scale arranged on the connecting piece C; the electric cylinder is matched with the motor B to realize the movement of the welding assembly and the adjustment of the welding angle integrally; finally, starting the driving device to push the supporting component and the welding component on the supporting component to weld; the invention is convenient for spot welding of thin plates with different thicknesses, can convey different shielding gases into the welding main body through the air supply pipe according to different welding materials for protection, can realize the protective electric welding of the thin plates made of various materials, and has wider application range; the welding assembly moves and the angle adjustment is integrated, and is more intelligent.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a connection structure of a welding assembly and a support assembly;
FIG. 4 is a partial cross-sectional view of a welded assembly.
Reference numerals: 1. a base; 2. a protection plate; 3. a fixing plate; 4. a motor A; 5. a cam; 6. a platen; 7. fixing a sleeve; 8. a threaded post; 9. locking the nut; 10. a movable support plate; 11. a slider; 12. a spring; 13. welding the assembly; 14. a support assembly; 15. welding the main body; 16. a wire feeder; 17. a contact tip; 18. a connector; 19. welding wires; 20. a movable seat; 21. an electric cylinder; 22. a motor B; 23. fixing a column; 24. a bevel gear A; 25. a bevel gear B; 26. a gear; 27. a threaded post; 28. a slide bar; 29. a rack; 30. a connecting piece A; 31. a connecting piece B; 32. a connecting member C; 33. a connecting piece D; 35. an air supply pipe; 36. a gas-collecting hood; 37. an exhaust pipe; 38. and (5) an angle scale.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.
Example one
The invention provides gas shielded welding equipment for spot welding of thin plates, which comprises a base 1, a protection plate 2, a fixing plate 3 and a welding assembly 13, wherein the base is provided with a plurality of welding holes;
as shown in fig. 1, two groups of protection plates 2 are arranged on a base 1, and one sides of the two groups of protection plates 2 far away from the base 1 are connected through a fixing plate 3; a supporting component 14 for fixing the welding component 13 is arranged on the protection plate 2, the adjusting component is arranged on the supporting component 14, and a driving device for driving the adjusting component to move up and down is arranged on the fixing plate 3;
as shown in fig. 2-3, wherein the support assembly 14 comprises a movable support plate 10, a slide block 11, a spring 12, a movable seat 20, a motor B22, a bevel gear a24, a bevel gear B25, a gear 26, a threaded column 27 and a slide rod 28; two ends of the movable supporting plate 10 are slidably arranged on the protection plate 2 through the sliding blocks 11, the springs 12 are arranged on the protection plate 2 and abut against the sliding blocks 11, and the movable supporting plate 10 is provided with a rack 29; the movable seat 20 is arranged on the movable support plate 10 in a sliding manner, and the movable seat 20 is provided with an electric cylinder 21; the motor B22 is arranged on the movable seat 20 in a sliding manner and is connected with the telescopic rod of the electric cylinder 21, and the rotating shaft of the motor B22 is provided with a fixed column 23; the bevel gear A24 and the gear 26 are arranged on the fixed column 23, and the bevel gear A24 is positioned below the gear 26; the sliding rod 28 is arranged on the movable seat 20 in a sliding manner, and the threaded column 27 is rotationally arranged on the movable seat 20 and is in threaded connection with the sliding rod 28; bevel gear B25 is disposed on threaded post 27 and is in meshing driving engagement with bevel gear A24, and bevel gear B25 is located below bevel gear A24.
As shown in fig. 3-4, the welding assembly 13 includes a welding body 15, a connector 18, and a welding wire 19; the welding body 15 is provided with a wire feeder 16 for moving a welding wire 19 and a contact tip 17 for electrifying; the connector 18 is arranged on the welding main body 15 and is positioned below the contact tip 17, and an air supply pipe 35 is arranged on the connector 18; the connector 18 is detachably connected with the welding main body 15, and the air supply pipe 35 is a hose; the installation and maintenance are convenient; the connecting piece A30 is arranged on the welding main body 15 in a sliding way, and the connecting piece B31 is arranged on the connecting piece A30 in a rotating way and is connected with the sliding rod 28; the connecting piece C32 is arranged on the welding main body 15, and the connecting piece D33 is arranged on the movable seat 20 and is rotationally connected with the connecting piece C32; the connecting piece C32 is provided with an angle scale 38 for displaying the inclination angle of the welding main body 15; be equipped with transparent observation window on the guard plate 2, conveniently observe and the accurate welding angle who adjusts welding subassembly 13.
In the embodiment, the movable supporting plate 10 is mounted on the protection plate 2 through the sliding block 11 and abuts against the spring 12, then the cam 5 on the driving device is rotated to push the adjusting assembly, the movable seat 20 and the welding assembly 13 to move, when the welding position needs to be adjusted, the electric cylinder 21 on the supporting assembly 14 is started to push the motor B22, so that the bevel gear B25 on the fixed column 23 is separated from the bevel gear A24, meanwhile, the gear 26 on the fixed column 23 slides into the movable supporting plate 10 and is meshed with the rack 29, and at the moment, the motor B22 works to drive the movable seat 20 to slide on the movable supporting plate 10, so that the welding position is adjusted; when the welding angle of the welding assembly 13 needs to be adjusted, the electric cylinder 21 pulls the motor B22, so that the gear 26 on the fixed column 23 is separated from the rack 29, the bevel gear B25 on the fixed column 23 is meshed with the bevel gear A24, at the moment, the motor B22 is started to drive the threaded column 27 to rotate, the sliding rod 28 slides out and pushes the welding assembly 13 to rotate, and the connecting piece A30 slides on the welding main body 15 to counteract displacement generated by rotation of the welding main body 15; the rotation angle of the welding assembly 13 is precisely adjusted through the angle disc 38 arranged on the connecting piece C32; finally, starting a driving device to push the supporting component 14 and the welding component 13 on the supporting component 14 to weld; the electric cylinder 21 is matched with the motor B22 to realize the movement of the welding component 13 and the adjustment of the welding angle integrally; and is more intelligent.
Example two
Compared with the first embodiment, the gas shielded welding equipment for spot welding of the thin plate further comprises a base 1, a protection plate 2, a fixing plate 3 and a welding assembly 13;
as shown in fig. 1, two groups of protection plates 2 are arranged on a base 1, and one sides of the two groups of protection plates 2 far away from the base 1 are connected through a fixing plate 3; a supporting component 14 for fixing the welding component 13 is arranged on the protection plate 2, the adjusting component is arranged on the supporting component 14, and a driving device for driving the adjusting component to move up and down is arranged on the fixing plate 3;
as shown in fig. 2-3, wherein the support assembly 14 comprises a movable support plate 10, a slide block 11, a spring 12, a movable seat 20, a motor B22, a bevel gear a24, a bevel gear B25, a gear 26, a threaded column 27 and a slide rod 28; two ends of the movable supporting plate 10 are slidably arranged on the protection plate 2 through the sliding blocks 11, the springs 12 are arranged on the protection plate 2 and abut against the sliding blocks 11, and the movable supporting plate 10 is provided with a rack 29; the movable seat 20 is arranged on the movable support plate 10 in a sliding manner, and the movable seat 20 is provided with an electric cylinder 21; the motor B22 is arranged on the movable seat 20 in a sliding manner and is connected with the telescopic rod of the electric cylinder 21, and the rotating shaft of the motor B22 is provided with a fixed column 23; the bevel gear A24 and the gear 26 are arranged on the fixed column 23, and the bevel gear A24 is positioned below the gear 26; the sliding rod 28 is arranged on the movable seat 20 in a sliding manner, and the threaded column 27 is rotationally arranged on the movable seat 20 and is in threaded connection with the sliding rod 28; the bevel gear B25 is arranged on the threaded column 27 and is in meshed transmission connection with the bevel gear A24, and the bevel gear B25 is positioned below the bevel gear A24; the driving device comprises a motor A4 and a cam 5; the motor A4 is arranged on the fixed plate 3, and the rotating shaft of the motor A4 is provided with a cam 5; the structure is simple, and the installation and maintenance are convenient; the adjusting component comprises a fixed sleeve 7, a threaded column 8 and a locking nut 9; the fixed sleeve 7 is arranged on the movable supporting plate 10, the threaded column 8 is in threaded connection with the fixed sleeve 7, and the threaded column 8 is provided with the pressure plate 6; the locking nut 9 is in threaded connection with the threaded column 8 and abuts against the fixed sleeve 7; the moving distance of the welding assembly 13 can be adjusted according to thin plates with different thicknesses, and the application range is wide; the gas collecting channel 36 is arranged on the protection plate 2, and the gas collecting channel 36 is provided with the exhaust pipe 37, so that harmful gas generated during welding can be conveniently discharged and treated in a centralized manner, and the environmental pollution is reduced.
The invention also provides an operation method of the gas shielded welding equipment for the spot welding of the thin plate, which comprises the following specific steps:
s1, mounting the support assembly 14 on the protection plate 2, and then rotating the cam 5 on the driving device to push the adjusting assembly, the support assembly 14 and the welding assembly 13 to move, and simultaneously adjusting the distance between the welding wire 19 and the thin plate on the welding assembly 13 by matching with the adjusting assembly; the spot welding of the thin plates with different thicknesses is convenient, and the application range is wider;
when the adjusting assembly in S2 and S1 is adjusted, firstly, the locking nut 9 is loosened, then the pressure plate 6 is rotated to rotate the threaded column 8, and the locking nut 9 is screwed down to be fixed after the distance is adjusted; the structure is simple, the operation is convenient, the maintenance is convenient, and the cost is saved;
s3, when the welding position needs to be adjusted, the electric cylinder 21 on the supporting component 14 is started to push the motor B22, so that the bevel gear B25 on the fixed column 23 is separated from the bevel gear A24, meanwhile, the gear 26 on the fixed column 23 slides into the movable supporting plate 10 and is meshed with the rack 29, and at the moment, the motor B22 works to drive the movable seat 20 to slide on the movable supporting plate 10, so that the welding position is adjusted; when the welding angle of the welding assembly 13 needs to be adjusted, the electric cylinder 21 pulls the motor B22, so that the gear 26 on the fixed column 23 is separated from the rack 29, the bevel gear B25 on the fixed column 23 is meshed with the bevel gear A24, at the moment, the motor B22 is started to drive the threaded column 27 to rotate, the sliding rod 28 slides out and pushes the welding assembly 13 to rotate, and the connecting piece A30 slides on the welding main body 15 to counteract displacement generated by rotation of the welding main body 15; the rotation angle of the welding assembly 13 is precisely adjusted through the angle disc 38 arranged on the connecting piece C32; the electric cylinder 21 is matched with the motor B22 to realize the movement of the welding assembly 13 and the adjustment of the welding angle integrally, so that the welding assembly is more intelligent;
s4, the driving device is started to push the supporting component 14 and the welding component 13 on the supporting component 14 to weld, different shielding gases can be fed into the welding main body 15 through the air feeding pipe 35 according to different welding materials to protect, and the welding device can protect and weld thin plates made of various materials, and has a wide application range.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A gas shielded welding device for spot welding of thin plates is characterized by comprising a base (1), a protection plate (2), a fixing plate (3) and a welding assembly (13);
two groups of protection plates (2) are arranged on the base (1), and one sides of the two groups of protection plates (2) far away from the base (1) are connected through a fixing plate (3); a supporting component (14) used for fixing the welding component (13) is arranged on the protection plate (2), the adjusting component is arranged on the supporting component (14), and a driving device used for driving the adjusting component to move up and down is arranged on the fixing plate (3);
the supporting component (14) comprises a movable supporting plate (10), a sliding block (11), a spring (12), a movable seat (20), a motor B (22), a bevel gear A (24), a bevel gear B (25), a gear (26), a threaded column (27) and a sliding rod (28); two ends of the movable supporting plate (10) are arranged on the protective plate (2) in a sliding mode through the sliding block (11), the spring (12) is arranged on the protective plate (2) and abuts against the sliding block (11), and the movable supporting plate (10) is provided with a rack (29); the movable seat (20) is arranged on the movable support plate (10) in a sliding manner, and an electric cylinder (21) is arranged on the movable seat (20); the motor B (22) is arranged on the movable seat (20) in a sliding mode and is connected with a telescopic rod of the electric cylinder (21), and a rotating shaft of the motor B (22) is provided with a fixing column (23); the bevel gear A (24) and the gear (26) are arranged on the fixed column (23), and the bevel gear A (24) is positioned below the gear (26); the sliding rod (28) is arranged on the movable seat (20) in a sliding mode, and the threaded column (27) is arranged on the movable seat (20) in a rotating mode and is in threaded connection with the sliding rod (28); the bevel gear B (25) is arranged on the threaded column (27) and is in meshed transmission connection with the bevel gear A (24), and the bevel gear B (25) is positioned below the bevel gear A (24).
2. Gas-shielded welding apparatus for spot welding of sheets according to claim 1, characterized in that the welding assembly (13) comprises a welding body (15), a connector (18) and a welding wire (19); the welding main body (15) is provided with a wire feeder (16) for moving a welding wire (19) and a contact tip (17) for electrifying; the connector (18) is arranged on the welding main body (15) and is positioned below the contact tip (17), and an air supply pipe (35) is arranged on the connector (18).
3. Gas-shielded welding apparatus for spot welding of thin plates as recited in claim 2, characterized in that the connecting head (18) is detachably connected to the welding body (15), and the air feed pipe (35) is a hose.
4. The gas-shielded welding apparatus for spot welding of a thin plate as recited in claim 2, further comprising a connecting member a (30), a connecting member B (31), a connecting member C (32), and a connecting member D (33); the connecting piece A (30) is arranged on the welding main body (15) in a sliding mode, and the connecting piece B (31) is arranged on the connecting piece A (30) in a rotating mode and connected with the sliding rod (28); the connecting piece C (32) is arranged on the welding main body (15), and the connecting piece D (33) is arranged on the movable seat (20) and is rotationally connected with the connecting piece C (32).
5. Gas-shielded welding apparatus for spot welding of thin plates as recited in claim 4, characterized in that the connecting member C (32) is provided with an angle scale (38) indicating the angle of inclination of the welding body (15).
6. The gas-shielded welding apparatus for spot welding of a thin plate as recited in claim 1, wherein the driving means includes a motor a (4) and a cam (5); the motor A (4) is arranged on the fixing plate (3), and a cam (5) is arranged on a rotating shaft of the motor A (4).
7. Gas-shielded welding apparatus for spot welding of sheets according to claim 1, characterized in that the adjustment assembly comprises a fixing sleeve (7), a threaded stud (8) and a lock nut (9); the fixed sleeve (7) is arranged on the movable support plate (10), the threaded column (8) is in threaded connection with the fixed sleeve (7), and the threaded column (8) is provided with the pressure plate (6); the locking nut (9) is in threaded connection with the threaded column (8) and abuts against the fixed sleeve (7).
8. The gas-shielded welding apparatus for spot welding of thin plates as recited in claim 1, further comprising a gas-collecting hood (36) and a gas-discharging pipe (37); the gas-collecting hood (36) is arranged on the protection plate (2), and the gas-collecting hood (36) is provided with an exhaust pipe (37).
9. Gas-shielded welding apparatus for spot welding of sheets according to claim 1, characterized in that the shielding plate (2) is provided with a transparent viewing window.
10. The gas-shielded welding apparatus for thin plate spot welding according to any one of claims 1 to 9, further providing a method of operating the gas-shielded welding apparatus for thin plate spot welding, comprising the specific steps of:
s1, mounting the supporting component (14) on the protective plate (2), then rotating a cam (5) on the driving device to push the adjusting component, the supporting component (14) and the welding component (13) to move, and adjusting the distance between the welding wire (19) and the thin plate on the welding component (13) by matching with the adjusting component;
when the adjusting assembly in S2 and S1 is adjusted, firstly, the locking nut (9) is loosened, then the pressure plate (6) is rotated to rotate the threaded column (8), and the locking nut (9) is screwed down to be fixed after the distance is adjusted;
s3, when the welding position needs to be adjusted, starting an electric cylinder (21) on a supporting component (14) to push a motor B (22), so that a bevel gear B (25) on a fixed column (23) is separated from a bevel gear A (24), meanwhile, a gear (26) on the fixed column (23) slides into a movable supporting plate (10) and is meshed with a rack (29), and at the moment, the motor B (22) works to drive a movable seat (20) to slide on the movable supporting plate (10), so that the welding position is adjusted; when the welding angle of the welding assembly (13) needs to be adjusted, the motor B (22) is pulled through the electric cylinder (21), so that the gear (26) on the fixing column (23) is separated from the rack (29), the bevel gear B (25) on the fixing column (23) is meshed with the bevel gear A (24), the motor B (22) is started to drive the threaded column (27) to rotate, the sliding rod (28) slides out and pushes the welding assembly (13) to rotate, and the connecting piece A (30) slides on the welding main body (15) to offset displacement generated by rotation of the welding main body (15); the rotation angle of the welding assembly (13) is precisely adjusted through an angle scale (38) arranged on the connecting piece C (32);
s4, the driving device is started to push the support assembly (14) and the welding assembly (13) on the support assembly (14) to-and-fro for welding, and different shielding gases can be conveyed into the welding main body (15) through the air feed pipe (35) according to different welding materials for shielding.
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| CN202111489785.XA CN114101849A (en) | 2021-12-08 | 2021-12-08 | Gas shielded welding equipment for thin plate spot welding |
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| CN112658479A (en) * | 2020-12-17 | 2021-04-16 | 江苏觅科激光设备有限公司 | Adjustable optical fiber laser welding head |
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| JP2012045553A (en) * | 2010-08-24 | 2012-03-08 | Ihi Corp | Automatic welding machine for pipe |
| KR20180123840A (en) * | 2017-05-10 | 2018-11-20 | (주) 삼신웰테크 | Automatic welding machine for a tube of heat exchanger |
| CN107984123A (en) * | 2017-11-24 | 2018-05-04 | 安徽内售网络科技有限公司 | A kind of multiple-freedom linking welder |
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| CN112658479A (en) * | 2020-12-17 | 2021-04-16 | 江苏觅科激光设备有限公司 | Adjustable optical fiber laser welding head |
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