CN111299940A - Spot welding fixture - Google Patents
Spot welding fixture Download PDFInfo
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- CN111299940A CN111299940A CN202010182149.1A CN202010182149A CN111299940A CN 111299940 A CN111299940 A CN 111299940A CN 202010182149 A CN202010182149 A CN 202010182149A CN 111299940 A CN111299940 A CN 111299940A
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- bevel gear
- gear
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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
- B23K37/0443—Jigs
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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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to an automobile part, in particular to a spot welding clamp. The invention aims to provide a spot welding clamp. A spot welding fixture comprises an external frame, a control display, a servo motor, a position correcting and groove dropping mechanism, a double-shaft positioning mechanism and a welding following lower mechanism; the bottom of the left end of the external frame is welded with the control display; the right part of the lower end in the external frame is connected with the servo motor through a bolt; a position-correcting groove-falling mechanism is arranged at the lower end in the external frame, and the right bottom of the rear end of the position-correcting groove-falling mechanism is connected with a servo motor; the middle part in the external frame is provided with a double-shaft position adjusting mechanism. The invention achieves the effects that the automobile parts are not separated and overturned in the welding process, the butt joint position of welding is adjusted in a double-shaft mode, the flaw of the welding position is reduced, the welding is finished at one time through the active descending of the welding rod, and the welding marks are stable and uniform.
Description
Technical Field
The invention relates to an automobile part, in particular to a spot welding clamp.
Background
Welding is a manufacturing process and technology for joining metals or other thermoplastic materials in a heating, high-temperature or high-pressure mode, the welding joints mainly have butt joints, lap joints, T-shaped joints and the like, the existing welding clamp is usually used for the butt joints of samples with the same thickness, but the common welding clamp is not easy to fix the butt joints and the lap joints of samples with different thicknesses.
The prior art Chinese patent CN106425069A discloses a spot welding fixture, which can only realize one welding seam by aiming at the problem that the existing welding fixture is only suitable for the right mounting bracket assembly of an automobile and has a small application range, and the spot welding fixture generates angle change by an adjusting electrode arm of a lever, forms height difference between upper electrodes, adapts to the mode of welding leg height difference between products, overcomes the problem that the welding fixture can only realize one welding seam, is only suitable for the right mounting bracket assembly of the automobile and has a small application range, but can cause electrode failure due to the high temperature environment and ionization environment in the welding process, and leads to the falling of the fixture in the welding process and the damage of a welded part.
Need research and development not make automobile parts break away from at the welding process at present, produce and topple, carry out biax adjustment to the butt joint position of welding simultaneously, reduced the scar of welding position, the initiative through the welding rod descends simultaneously, make the welding once weld, the steady even spot welding anchor clamps of weld scar overcome among the prior art in the high temperature environment of welding process to and ionization environment, lead to the electrode failure, anchor clamps tenesmus in welding process, lead to pounding the shortcoming of losing the welding part.
Disclosure of Invention
The invention aims to overcome the defects that in the prior art, an electrode fails due to a high-temperature environment and an ionization environment in a welding process, and a welded part is smashed and damaged due to the fact that a clamp falls down in the welding process.
The invention is achieved by the following specific technical means:
a spot welding fixture comprises an external frame, a control display, a servo motor, a position correcting and groove dropping mechanism, a double-shaft positioning mechanism and a welding following lower mechanism; the bottom of the left end of the external frame is welded with the control display; the right part of the lower end in the external frame is connected with the servo motor through a bolt; a position-correcting groove-falling mechanism is arranged at the lower end in the external frame, and the right bottom of the rear end of the position-correcting groove-falling mechanism is connected with a servo motor; a double-shaft positioning mechanism is arranged in the middle of the outer frame, and the right part of the bottom end of the double-shaft positioning mechanism is connected with a position-correcting groove-falling mechanism; the middle part of the top end of the external frame is provided with a welding-following lower mechanism, and the right part of the bottom end of the welding-following lower mechanism is connected with the position-correcting groove-falling mechanism.
The position-rectifying and groove-dropping mechanism comprises a first driving wheel, a first bevel gear, a second driving wheel, a second bevel gear, a third bevel gear, a first deflector rod, a first driving rod, a swing frame, a third driving wheel, a fourth bevel gear, a fifth bevel gear, a sixth bevel gear, a first loop bar, a first straight gear, a first electric push rod, a seventh bevel gear, a second straight gear, a first screw rod, a first rotating block, a first hinge frame, a second screw rod, a first inclined deflector rod, a second rotating block, a second hinge frame, a second inclined deflector rod and an eighth bevel gear; the middle part of the front end of the first driving wheel is inserted with the first bevel gear; the top end of the first bevel gear is in transmission connection with a second transmission wheel through a belt; the right part of the front end of the first bevel gear is meshed with the sixth bevel gear; the middle part of the rear end of the second transmission wheel is spliced with the second bevel gear; the bottom of the left end of the second driving wheel is in transmission connection with the third driving wheel through a belt; the bottom of the rear end of the second bevel gear is meshed with the third bevel gear; the middle part of the bottom end of the third bevel gear is inserted with the first deflector rod; the bottom end of the first deflector rod is in transmission connection with the first transmission rod; the right end of the first transmission rod is in transmission connection with the swing frame, and the left middle part of the front end of the swing frame is connected with the third transmission wheel; the middle part of the inner front end of the swing frame is rotationally connected with a fourth bevel gear; the middle part of the rear end of the fourth bevel gear is spliced with the fifth bevel gear, and the middle part of the rear end of the fifth bevel gear is connected with the swing frame; the middle part of the right end of the sixth bevel gear is sleeved with the first sleeve rod through a round rod; the middle part of the outer surface of the first sleeve rod is inserted with the first straight gear; the right end of the first sleeve rod is connected with a seventh bevel gear in an inserting mode through a round rod; the right part of the outer surface of the first sleeve rod is welded with the first electric push rod through a limiting plate; a second straight gear is arranged at the top end of the first straight gear; the middle part of the inner surface of the second straight gear is connected with the first screw rod; the left part of the outer surface of the first screw rod is rotationally connected with the first rotating block; the right part of the outer surface of the first screw rod is rotationally connected with the second rotating block; the top of the left end of the first rotating block is hinged with the first hinge frame; the middle part of the top end of the first hinge bracket is rotationally connected with the second screw rod; the left part of the outer surface of the second screw rod is rotationally connected with the first inclined deflector rod; the right part of the outer surface of the second screw rod is rotationally connected with a second inclined deflector rod; the right end of the second screw rod is inserted with an eighth bevel gear; the top of the right end of the second rotating block is hinged with a second hinge bracket, and the middle of the top end of the second hinge bracket is connected with a second screw rod; the middle part of the rear end of the first driving wheel is inserted into the servo motor; the left part of the top end of the second transmission wheel is connected with a welding-following low-position mechanism through a belt; the right end of the first transmission rod is connected with the external frame; the right part of the bottom end of the first electric push rod is connected with the external frame; the top of the left end of the seventh bevel gear is connected with a double-shaft position adjusting mechanism; the bottom of the left end of the first hinge bracket is connected with the external frame; the bottom of the right end of the second hinge frame is connected with the external frame.
The double-shaft positioning mechanism comprises a ninth bevel gear, a seventh straight gear, an eighth straight gear, a second electric push rod, a tenth bevel gear, a third straight gear, an eleventh bevel gear, a fourth straight gear, a fifth straight gear, a first rotating shaft frame, a sixth straight gear, a second rotating shaft frame, a positioning die cavity, a first circular gear and a second circular gear; the middle part of the top end of the ninth bevel gear is spliced with the seventh straight gear through a round rod; the left end of the seventh straight gear is meshed with the eighth straight gear; the middle part of the bottom end of the eighth straight gear is inserted with the second electric push rod; the middle part of the top end of the eighth straight gear is spliced with the tenth bevel gear through a round rod; the middle part of the top end of the tenth bevel gear is spliced with the third straight gear through a round rod; an eleventh bevel gear is arranged at the front part of the top end of the tenth bevel gear; a sixth straight gear is arranged at the bottom of the rear end of the third straight gear; the middle part of the front end of the eleventh bevel gear is spliced with the fourth straight gear through a round rod; the top end of the fourth straight gear is meshed with the fifth straight gear; the middle part of the rear end of the fifth straight gear is inserted into the first rotating shaft frame; the top of the left end and the top of the right end of the first rotating shaft frame are rotatably connected with the second rotating shaft frame; the middle part of the top end of the sixth straight gear is inserted with the second circular gear; the top of the inner right end of the first rotating shaft frame is inserted into the first circular gear, and the bottom of the left end of the first circular gear is connected with the second circular gear; the middle part of the bottom end of the ninth bevel gear is connected with the external frame; the right part of the bottom end of the ninth bevel gear is connected with a seventh bevel gear; the bottom end of the second electric push rod is connected with the external frame.
The welding following lower mechanism comprises a fourth driving wheel, a fifth driving wheel, a lifting lever, a mounting plate, a limiting slide rail, a shaking inclined ladder, an inclined slide carriage and a welding clamp; the top of the left end of the fourth driving wheel is in transmission connection with the fifth driving wheel through a belt; the middle part of the front end of the fifth driving wheel is inserted with the picking deflector rod; the middle part of the rear end of the fifth driving wheel is rotationally connected with the mounting plate; a limiting slide rail is arranged at the left top of the rear end of the mounting plate; the middle part of the rear end of the mounting plate is provided with a shaking inclined ladder; an inclined slide carriage is arranged in the middle of the top end of the shaking inclined ladder, and the left bottom of the front end of the inclined slide carriage is connected with a limiting slide rail; the middle part of the rear end of the inclined slide carriage is welded with the welding clamp; the right part of the bottom end of the fourth driving wheel is connected with the second driving wheel through a belt; the top end of the mounting plate is connected with the external frame.
The embedded cross section regular hexagon of first loop bar agrees with the round bar that sets up in inside mutually.
The first circular gear and the second circular gear are both in a hemispherical structure in external shape.
The shaking inclined ladder is in a descending form from right to left, a plurality of groups of conical bulges are arranged at the top end of the shaking inclined ladder at equal intervals, and opposite conical bulges are arranged at the bottom end of the inclined slide carriage at equal intervals.
The longest point of the picking shifting rod reaches the farthest point of the limiting slide rail, and the shortest point of the picking shifting rod reaches the rightmost point of the limiting slide rail.
Compared with the prior art, the invention has the following beneficial effects:
in order to solve the problems that in the prior art, a high-temperature environment and an ionization environment cause electrode failure in the welding process, a clamp falls down in the welding process, and a welded part is damaged by smashing, a position correcting and groove dropping mechanism, a double-shaft positioning mechanism and a welding following and low-position mechanism are designed, the position of the automobile part needing spot welding is adjusted through the position correcting and groove dropping mechanism, the automobile part is properly dropped into a die, the automobile part is prevented from rotating in the welding process, so that the automobile part is accidentally injured, and offset welding is caused, then the welding position and the welding angle of the automobile part are adjusted by the double-shaft positioning mechanism, so that the welding seam is reduced at a welding seam joint, then the welding following and low-position mechanism is used for welding the automobile part, the welding rod is continuously abutted against the welding seam part by matching with the shortening of the welding rod, meanwhile, the spot welding is shaken, so that the welding seam is stable and uniform, and the automobile part is not separated in the welding process, the welding rod is rotated to a welding position, and the welding rod is rotated to be in a horizontal direction, so that the welding position is in a horizontal direction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the position correction and groove falling mechanism of the present invention;
FIG. 3 is a schematic view of a combined structure of a first transmission rod, a swing frame, a third transmission wheel, a fourth bevel gear and a fifth bevel gear according to the present invention;
FIG. 4 is a schematic structural view of a dual-axis positioning mechanism of the present invention;
FIG. 5 is a side view of a portion of the dual axis positioning mechanism of the present invention.
FIG. 6 is a schematic view of a structure of the present invention with a lower mechanism of solder.
The labels in the figures are: 1-an external frame, 2-a control display, 3-a servo motor, 4-a position correction and groove dropping mechanism, 5-a double-shaft position adjusting mechanism, 6-a welding-following lower mechanism, 401-a first driving wheel, 402-a first bevel gear, 403-a second driving wheel, 404-a second bevel gear, 405-a third bevel gear, 406-a first deflector rod, 407-a first driving rod, 408-a swinging frame, 409-a third driving wheel, 4010-a fourth bevel gear, 4011-a fifth bevel gear, 4012-a sixth bevel gear, 4013-a first sleeve rod, 4014-a first straight gear, 4015-a first electric push rod, 4016-a seventh bevel gear, 4017-a second straight gear, 4018-a first screw rod, 4019-a first rotating block, 4020-a first hinge frame, 4021-a second screw rod, 4022-a first inclined deflector rod, 4023-a second rotating block, 4024-a second hinge bracket, 4025-a second inclined deflector rod, 4026-an eighth bevel gear, 501-a ninth bevel gear, 502-a seventh spur gear, 503-an eighth spur gear, 504-a second electric push rod, 505-a tenth bevel gear, 506-a third spur gear, 507-an eleventh bevel gear, 508-a fourth spur gear, 509-a fifth spur gear, 5010-a first rotating shaft bracket, 5011-a sixth spur gear, 5012-a second rotating shaft bracket, 5013-a positioning die slot, 5014-a first circular gear, 5015-a second circular gear, 601-a fourth driving gear, 602-a fifth driving gear, 603-a positioning deflector rod, 604-a mounting plate, 605-a limiting slide rail, 606-a shaking inclined ladder, 607-italic carriage, 608-welding clamp.
Detailed Description
The invention is further described below with reference to the figures and examples.
Examples
A spot welding fixture is shown in figures 1-6 and comprises an external frame 1, a control display 2, a servo motor 3, a position rectifying and groove dropping mechanism 4, a double-shaft positioning mechanism 5 and a welding following lower mechanism 6; the bottom of the left end of the external frame 1 is welded with the control display 2; the right part of the lower end in the external frame 1 is connected with the servo motor 3 through a bolt; the inner lower end of the external frame 1 is provided with a position-correcting groove-falling mechanism 4, and the right bottom of the rear end of the position-correcting groove-falling mechanism 4 is connected with the servo motor 3; a double-shaft positioning mechanism 5 is arranged in the middle of the outer frame 1, and the right part of the bottom end of the double-shaft positioning mechanism 5 is connected with a position-correcting groove-falling mechanism 4; the middle part of the top end of the external frame 1 is provided with a welding-following lower mechanism 6, and the right part of the bottom end of the welding-following lower mechanism 6 is connected with the position-correcting groove-falling mechanism 4.
The working principle is as follows: when the spot welding fixture is used, the bottom of an external frame 1 is installed on a horizontal plane of a workshop, then a control display 2 is used for controlling the starting of a servo motor 3, further each mechanism is driven to operate, then manual blanking is carried out, then a position correcting and groove dropping mechanism 4 is used for adjusting the position of an automobile part needing spot welding, the automobile part needing spot welding is made to fall into a die properly, the automobile part is prevented from rotating in the welding process, the automobile part is prevented from being damaged by mistake, and deviation welding is caused, then a double-shaft position adjusting mechanism 5 is used for adjusting the welding position and the welding angle of the automobile part, so that the welding flaw of a welding butt joint is reduced, then a welding following lower mechanism 6 is used for welding the automobile part, the welding rod can continuously abut against the butt joint part of the welding by matching with the shortening of the welding rod, meanwhile, the welding flaw is shaken, so that the welding flaw is stable and uniform, and the automobile part, the welding rod is rotated to a welding position, and the welding rod is rotated to be in a butt joint state.
The position rectifying and groove falling mechanism 4 comprises a first driving wheel 401, a first bevel gear 402, a second driving wheel 403, a second bevel gear 404, a third bevel gear 405, a first deflector rod 406, a first driving rod 407, a swing frame 408, a third driving wheel 409, a fourth bevel gear 4010, a fifth bevel gear 4011, a sixth bevel gear 4012, a first sleeve 4013, a first straight gear 4014, a first electric push rod 4015, a seventh bevel gear 4016, a second straight gear 4017, a first screw rod 4018, a first rotating block 4019, a first hinge frame 4020, a second screw rod 4021, a first inclined deflector rod 4022, a second rotating block 4023, a second hinge frame 4024, a second inclined deflector rod 4025 and an eighth bevel gear 4026; the middle part of the front end of the first driving wheel 401 is inserted into the first bevel gear 402; the top end of the first bevel gear 402 is in transmission connection with a second transmission wheel 403 through a belt; the right part of the front end of the first bevel gear 402 is meshed with a sixth bevel gear 4012; the middle part of the rear end of the second transmission wheel 403 is inserted into the second bevel gear 404; the bottom of the left end of the second driving wheel 403 is in transmission connection with a third driving wheel 409 through a belt; the bottom of the rear end of the second bevel gear 404 is meshed with a third bevel gear 405; the middle part of the bottom end of the third bevel gear 405 is inserted into the first shift lever 406; the bottom end of the first shift lever 406 is in transmission connection with a first transmission rod 407; the right end of the first transmission rod 407 is in transmission connection with the swing frame 408, and the left middle part of the front end of the swing frame 408 is connected with a third transmission wheel 409; the middle part of the inner front end of the swing frame 408 is rotationally connected with a fourth bevel gear 4010; the middle part of the rear end of the fourth bevel gear 4010 is spliced with the fifth bevel gear 4011, and the middle part of the rear end of the fifth bevel gear 4011 is connected with the swing frame 408; the middle part of the right end of the sixth bevel gear 4012 is sleeved with the first sleeve rod 4013 through a round rod; the middle part of the outer surface of the first sleeve 4013 is inserted into a first straight gear 4014; the right end of the first sleeve 4013 is spliced with a seventh bevel gear 4016 through a round rod; the right part of the outer surface of the first sleeve 4013 is welded with the first electric push rod 4015 through a limiting plate; the top end of the first straight gear 4014 is provided with a second straight gear 4017; the middle part of the inner surface of the second straight gear 4017 is connected with a first screw rod 4018; the left part of the outer surface of the first screw rod 4018 is rotatably connected with a first rotating block 4019; the right part of the outer surface of the first screw rod 4018 is rotatably connected with a second rotating block 4023; the top of the left end of the first rotating block 4019 is hinged with the first hinge bracket 4020; the middle of the top end of the first hinge bracket 4020 is rotationally connected with the second screw rod 4021; the left part of the outer surface of the second screw rod 4021 is rotationally connected with a first inclined deflector rod 4022; the right part of the outer surface of the second screw rod 4021 is rotationally connected with a second inclined deflector rod 4025; the right end of the second screw 4021 is inserted with an eighth bevel gear 4026; the top of the right end of the second rotating block 4023 is hinged with a second hinge bracket 4024, and the middle of the top end of the second hinge bracket 4024 is connected with a second screw rod 4021; the middle part of the rear end of the first driving wheel 401 is inserted into the servo motor 3; the left part of the top end of the second transmission wheel 403 is connected with a welding-following low-position mechanism 6 through a belt; the right end of the first transmission rod 407 is connected with the external frame 1; the right part of the bottom end of the first electric push rod 4015 is connected with the external frame 1; the top of the left end of a seventh bevel gear 4016 is connected with a double-shaft position adjusting mechanism 5; the bottom of the left end of the first hinge bracket 4020 is connected with the outer frame 1; the bottom of the right end of the second hinge bracket 4024 is connected to the outer frame 1.
When the device is used, the first bevel gear 402 is driven to rotate by the rotation of the first driving wheel 401, then the second driving wheel 403 is driven to rotate by the first bevel gear 402, then the fourth bevel gear 4010 and the fifth bevel gear 4011 are driven to rotate by the rotation of the third driving wheel 409, meanwhile, the second bevel gear 404 is driven to be meshed with the third bevel gear 405 to rotate by the rotation of the second driving wheel 403, then the first driving rod 407 is driven to swing by the first driving lever 406, then the swing frame 408 is driven to swing, then the first bevel gear 402 is meshed with the sixth bevel gear 4012 to rotate, then the first sleeve 4013 is driven to rotate, then the first straight gear 4014 is driven to rotate, then the first electric push rod 4015 is retracted, the first straight gear 4014 is meshed with the second straight gear 4017, and then the second straight gear 4017 is driven to rotate, then the first screw 4018 drives the first rotating block 4019 and the second rotating block 4023 to move towards two sides, then the first hinge bracket 4020 and the second hinge bracket 4024 rise, the second screw 4021 is lifted, then the eighth bevel gear 4026 is engaged with the fourth bevel gear 4010 and then is matched with the swinging of the swinging bracket 408, the eighth bevel gear 4026 is intermittently engaged with the fourth bevel gear 4010 and the fifth bevel gear 4011 to rotate the second screw 4021, then the first inclined shift lever 4022 and the second inclined shift lever 4025 are driven to push the automobile parts in the positioning die slot 5013, then the non-pushing is carried out, then the automobile parts are rotated and fall into the positioning die slot 5013 to be stable in the center of the center.
The double-shaft positioning mechanism 5 comprises a ninth bevel gear 501, a seventh spur gear 502, an eighth spur gear 503, a second electric push rod 504, a tenth bevel gear 505, a third spur gear 506, an eleventh bevel gear 507, a fourth spur gear 508, a fifth spur gear 509, a first rotating shaft rack 5010, a sixth spur gear 5011, a second rotating shaft rack 5012, a positioning die slot 5013, a first round gear 5014 and a second round gear 5015; the middle part of the top end of the ninth bevel gear 501 is spliced with the seventh straight gear 502 through a round rod; the left end of the seventh spur gear 502 is meshed with an eighth spur gear 503; the middle part of the bottom end of the eighth spur gear 503 is inserted into the second electric push rod 504; the middle part of the top end of the eighth spur gear 503 is inserted into a tenth bevel gear 505 through a round rod; the middle part of the top end of the tenth bevel gear 505 is spliced with the third straight gear 506 through a round rod; an eleventh bevel gear 507 is arranged at the front part of the top end of the tenth bevel gear 505; the bottom of the rear end of the third straight gear 506 is provided with a sixth straight gear 5011; the middle part of the front end of the eleventh bevel gear 507 is spliced with the fourth straight gear 508 through a round rod; the top end of the fourth spur gear 508 is meshed with a fifth spur gear 509; the middle part of the rear end of the fifth straight gear 509 is inserted into the first rotating shaft rack 5010; the top of the left end and the top of the right end of the first rotating shaft frame 5010 are rotatably connected with the second rotating shaft frame 5012; the middle part of the top end of the sixth straight gear 5011 is inserted into the second circular gear 5015; the top of the inner right end of the first rotating shaft bracket 5010 is spliced with a first circular gear 5014, and the bottom of the left end of the first circular gear 5014 is connected with a second circular gear 5015; the middle part of the bottom end of the ninth bevel gear 501 is connected with the external frame 1; the right part of the bottom end of the ninth bevel gear 501 is connected with a seventh bevel gear 4016; the bottom end of the second electric push rod 504 is connected with the outer frame 1.
In use, the seventh spur gear 502 is driven to rotate by the rotation of the ninth bevel gear 501, the eighth spur gear 503 is driven to rotate by meshing transmission, the second electric push rod 504 is extended to enable the tenth bevel gear 505 to mesh with the eleventh bevel gear 507, the third spur gear 506 is not meshed with the sixth spur gear 5011, the fourth spur gear 508 is driven to rotate by the rotation of the tenth bevel gear 505, the fifth spur gear 509 is driven to rotate by meshing transmission, the first rotating shaft bracket 5010 is rotated, the second electric push rod 504 is contracted, the tenth bevel gear 505 is not meshed with the eleventh bevel gear 507, the third spur gear 506 is meshed with the sixth spur gear 5011, the sixth spur gear 5011 is meshed by the rotation of the third spur gear 506, the second circular gear 5015 is driven to rotate, and the second rotating shaft 5012 is driven to rotate by meshing the first circular gear 5014, then, the positioning die slot 5013 is directionally rotated, the butt joint position of welding is subjected to double-shaft adjustment, and the flaw of the welding position is reduced.
The welding-following lower mechanism 6 comprises a fourth driving wheel 601, a fifth driving wheel 602, a picking deflector rod 603, a mounting plate 604, a limiting slide rail 605, a shaking inclined ladder 606, an inclined slide plate 607 and a welding clamp 608; the top of the left end of the fourth driving wheel 601 is in transmission connection with a fifth driving wheel 602 through a belt; the middle part of the front end of the fifth transmission wheel 602 is inserted into the picking deflector rod 603; the middle part of the rear end of the fifth transmission wheel 602 is rotatably connected with the mounting plate 604; a limiting slide rail 605 is arranged at the left top of the rear end of the mounting plate 604; a shaking inclined ladder 606 is arranged in the middle of the rear end of the mounting plate 604; an inclined slide carriage 607 is arranged in the middle of the top end of the shaking inclined ladder 606, and the left bottom of the front end of the inclined slide carriage 607 is connected with a limiting slide rail 605; the middle part of the rear end of the inclined slide plate 607 is welded with a welding clamp 608; the right part of the bottom end of the fourth driving wheel 601 is connected with the second driving wheel 403 through a belt; the top end of the mounting plate 604 is connected to the outer frame 1.
During the use, through the rotation of fourth drive wheel 601, drive fifth drive wheel 602 and rotate, then choose a position driving lever 603 through the transmission and rotate and remove the slide rail at italic carriage apron 607 along the top, then drive through italic carriage apron 607 and shake inclined ladder 606, glide down left, the cooperation is shaken simultaneously, the welding rod that makes clamp 608 centre gripping, though the welding rod shortens and in time descends, carries out spot welding, then has reached and has made the welding once weld, and the weld mark is steady even.
The embedded cross section of the first socket 4013 is a regular hexagon, which fits with a round bar arranged inside, and the meshing relation between the first socket 4013 and the second spur gear 4017 is changed in the sliding process.
The first circular gear 5014 and the second circular gear 5015 are both of a hemispherical structure in external shape, and keep engaged within a rotatable angle, so as to drive the second rotating shaft 5012 to rotate.
The shaking inclined ladder 606 is in a descending form from right to left, a plurality of groups of conical bulges are arranged at the top end of the shaking inclined ladder at equal intervals, opposite conical bulges are arranged at the bottom end of the inclined slide plate 607 at equal intervals, and spot welding can be automatically carried out during intermittent descending shaking.
The longest point of the picking deflector rod 603 reaches the farthest point of the limiting slide rail 605, and the shortest point of the picking deflector rod 603 reaches the rightmost point of the limiting slide rail 605, so that the italic slide plate 607 can be pushed to travel within a certain range, and the resetting effect is achieved.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. A spot welding fixture comprises an external frame (1), a control display (2) and a servo motor (3), and is characterized by further comprising a position correcting and groove dropping mechanism (4), a double-shaft positioning mechanism (5) and a welding following lower mechanism (6); the bottom of the left end of the external frame (1) is welded with the control display (2); the right part of the lower end in the external frame (1) is connected with the servo motor (3) through a bolt; a position-correcting and groove-falling mechanism (4) is arranged at the inner lower end of the external frame (1), and the right bottom of the rear end of the position-correcting and groove-falling mechanism (4) is connected with the servo motor (3); a double-shaft positioning mechanism (5) is arranged in the middle of the outer frame (1), and the right part of the bottom end of the double-shaft positioning mechanism (5) is connected with a position-rectifying and groove-dropping mechanism (4); the middle part of the top end of the external frame (1) is provided with a welding-following lower mechanism (6), and the right part of the bottom end of the welding-following lower mechanism (6) is connected with the position-correcting groove-falling mechanism (4).
2. The spot welding fixture according to claim 1, wherein the correction notch mechanism (4) comprises a first driving wheel (401), a first bevel gear (402), a second driving wheel (403), a second bevel gear (404), a third bevel gear (405), a first driving lever (406), a first driving lever (407), a swing frame (408), a third driving wheel (409), a fourth bevel gear (4010), a fifth bevel gear (4011), a sixth bevel gear (4012), a first loop bar (4013), a first straight gear (4014), a first electric push rod (4015), a seventh bevel gear (4016), a second straight gear (4017), a first lead screw (4018), a first rotating block (4019), a first hinge frame (4020), a second lead screw (4021), a first inclined driving lever (4022), a second rotating block (4023), a second hinge frame (4024), a second inclined driving lever (4025) and an eighth bevel gear (4026); the middle part of the front end of the first driving wheel (401) is inserted into the first bevel gear (402); the top end of the first bevel gear (402) is in transmission connection with a second transmission wheel (403) through a belt; the right part of the front end of the first bevel gear (402) is meshed with a sixth bevel gear (4012); the middle part of the rear end of the second transmission wheel (403) is spliced with the second bevel gear (404); the bottom of the left end of the second transmission wheel (403) is in transmission connection with a third transmission wheel (409) through a belt; the bottom of the rear end of the second bevel gear (404) is meshed with a third bevel gear (405); the middle part of the bottom end of the third bevel gear (405) is inserted into the first shift lever (406); the bottom end of the first shift lever (406) is in transmission connection with a first transmission rod (407); the right end of the first transmission rod (407) is in transmission connection with the swing frame (408), and the left middle part of the front end of the swing frame (408) is connected with a third transmission wheel (409); the middle part of the inner front end of the swing frame (408) is rotationally connected with a fourth bevel gear (4010); the middle part of the rear end of the fourth bevel gear (4010) is spliced with the fifth bevel gear (4011), and the middle part of the rear end of the fifth bevel gear (4011) is connected with the swing frame (408); the middle part of the right end of the sixth bevel gear (4012) is sleeved with the first loop bar (4013) through a round bar; the middle part of the outer surface of the first sleeve rod (4013) is inserted into the first straight gear (4014); the right end of the first loop bar (4013) is spliced with a seventh bevel gear (4016) through a round bar; the right part of the outer surface of the first loop bar (4013) is welded with a first electric push rod (4015) through a limiting plate; a second straight gear (4017) is arranged at the top end of the first straight gear (4014); the middle part of the inner surface of the second straight gear (4017) is connected with a first screw rod (4018); the left part of the outer surface of the first screw rod (4018) is rotationally connected with a first rotating block (4019); the right part of the outer surface of the first screw rod (4018) is rotatably connected with a second rotating block (4023); the top of the left end of the first rotating block (4019) is hinged with a first hinge bracket (4020); the middle part of the top end of the first hinge bracket (4020) is rotationally connected with the second screw rod (4021); the left part of the outer surface of the second screw rod (4021) is rotationally connected with a first inclined deflector rod (4022); the right part of the outer surface of the second screw rod (4021) is rotationally connected with a second inclined deflector rod (4025); the right end of the second screw rod (4021) is spliced with an eighth bevel gear (4026); the top of the right end of the second rotating block (4023) is hinged with a second hinge bracket (4024), and the middle of the top end of the second hinge bracket (4024) is connected with a second screw rod (4021); the middle part of the rear end of the first driving wheel (401) is inserted into the servo motor (3); the left part of the top end of the second transmission wheel (403) is connected with a welding-following low-position mechanism (6) through a belt; the right end of the first transmission rod (407) is connected with the external frame (1); the right part of the bottom end of the first electric push rod (4015) is connected with the external frame (1); the top of the left end of a seventh bevel gear (4016) is connected with a double-shaft position adjusting mechanism (5); the bottom of the left end of the first hinge bracket (4020) is connected with the outer frame (1); the bottom of the right end of the second hinge bracket (4024) is connected with the outer frame (1).
3. A spot welding fixture according to claim 2, characterized in that the double-shaft positioning mechanism (5) comprises a ninth spur gear (501), a seventh spur gear (502), an eighth spur gear (503), a second electric push rod (504), a tenth spur gear (505), a third spur gear (506), an eleventh spur gear (507), a fourth spur gear (508), a fifth spur gear (509), a first rotating shaft rack (5010), a sixth spur gear (5011), a second rotating shaft rack (5012), a positioning die slot (5013), a first circular gear (5014) and a second circular gear (5015); the middle part of the top end of the ninth bevel gear (501) is spliced with the seventh straight gear (502) through a round rod; the left end of the seventh straight gear (502) is meshed with the eighth straight gear (503); the middle part of the bottom end of the eighth straight gear (503) is spliced with the second electric push rod (504); the middle part of the top end of the eighth straight gear (503) is spliced with a tenth bevel gear (505) through a round rod; the middle part of the top end of the tenth bevel gear (505) is spliced with the third straight gear (506) through a round rod; an eleventh bevel gear (507) is arranged at the front part of the top end of the tenth bevel gear (505); the bottom of the rear end of the third straight gear (506) is provided with a sixth straight gear (5011); the middle part of the front end of the eleventh bevel gear (507) is spliced with the fourth straight gear (508) through a round rod; the top end of the fourth straight gear (508) is meshed with a fifth straight gear (509); the middle part of the rear end of the fifth straight gear (509) is inserted into the first rotating shaft frame (5010); the top of the left end and the top of the right end of the first rotating shaft frame (5010) are in rotating connection with the second rotating shaft frame (5012); the middle part of the top end of the sixth straight gear (5011) is inserted into the second circular gear (5015); the top of the inner right end of the first rotating shaft frame (5010) is spliced with a first circular gear (5014), and the bottom of the left end of the first circular gear (5014) is connected with a second circular gear (5015); the middle part of the bottom end of the ninth bevel gear (501) is connected with the external frame (1); the right part of the bottom end of the ninth bevel gear (501) is connected with a seventh bevel gear (4016); the bottom end of the second electric push rod (504) is connected with the external frame (1).
4. The spot welding fixture according to claim 3, wherein the welding-following lower mechanism (6) comprises a fourth transmission wheel (601), a fifth transmission wheel (602), a picking deflector rod (603), a mounting plate (604), a limiting slide rail (605), a shaking inclined ladder (606), an inclined slide carriage (607) and a welding clamp (608); the top of the left end of the fourth transmission wheel (601) is in transmission connection with a fifth transmission wheel (602) through a belt; the middle part of the front end of the fifth transmission wheel (602) is inserted with a position-picking deflector rod (603); the middle part of the rear end of the fifth transmission wheel (602) is rotationally connected with the mounting plate (604); a limiting slide rail (605) is arranged at the left top of the rear end of the mounting plate (604); a shaking inclined ladder (606) is arranged in the middle of the rear end of the mounting plate (604); an inclined slide carriage (607) is arranged in the middle of the top end of the shaking inclined ladder (606), and the left bottom of the front end of the inclined slide carriage (607) is connected with a limiting slide rail (605); the middle part of the rear end of the inclined slide carriage (607) is welded with a welding clamp (608); the right part of the bottom end of the fourth driving wheel (601) is connected with the second driving wheel (403) through a belt; the top end of the mounting plate (604) is connected with the external frame (1).
5. A spot welding fixture according to claim 4, characterized in that the cross section of the first loop bar (4013) is regular hexagonal with an embedded cross section, which fits the round bar arranged inside.
6. A spot welding jig according to claim 5, characterized in that the first circular gear (5014) and the second circular gear (5015) are each formed in a hemispherical shape in their outer shape.
7. A spot welding fixture according to claim 6, characterized in that the shaking ramp (606) is descending from right to left and has a plurality of sets of conical protrusions equidistantly arranged at the top end and opposite conical protrusions equidistantly arranged at the bottom end of the ramp (607).
8. A spot welding fixture according to claim 7, characterized in that the longest point of the pick lever (603) reaches the farthest point of the limit slide (605), and the shortest point of the pick lever (603) reaches the rightmost point of the limit slide (605).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182149.1A CN111299940A (en) | 2020-03-16 | 2020-03-16 | Spot welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182149.1A CN111299940A (en) | 2020-03-16 | 2020-03-16 | Spot welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299940A true CN111299940A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010182149.1A Pending CN111299940A (en) | 2020-03-16 | 2020-03-16 | Spot welding fixture |
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| CN (1) | CN111299940A (en) |
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| US20010009253A1 (en) * | 2000-01-21 | 2001-07-26 | Piero Bossotto | Locating and locking unit for welding sheet metal parts of a motor-vehicle body |
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| CN207309297U (en) * | 2017-10-24 | 2018-05-04 | 中国十九冶集团有限公司 | Welding bracket |
| CN207615845U (en) * | 2017-12-12 | 2018-07-17 | 天津天缘科技有限公司 | A kind of battery pack spot welding apparatus |
| CN110497058A (en) * | 2019-08-23 | 2019-11-26 | 凌军 | A kind of steel plate automatic soldering device with feed function |
| CN209811546U (en) * | 2019-05-08 | 2019-12-20 | 冼水莲 | Welding equipment convenient to nimble regulation |
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2020
- 2020-03-16 CN CN202010182149.1A patent/CN111299940A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010009253A1 (en) * | 2000-01-21 | 2001-07-26 | Piero Bossotto | Locating and locking unit for welding sheet metal parts of a motor-vehicle body |
| CN202438805U (en) * | 2012-02-23 | 2012-09-19 | 上海贝洱热系统有限公司 | Two-dimensional rotary universal welded platform |
| CN204771331U (en) * | 2015-05-28 | 2015-11-18 | 上海宝信软件股份有限公司 | Three rotate moving band damping dolly that shifts |
| CN207309297U (en) * | 2017-10-24 | 2018-05-04 | 中国十九冶集团有限公司 | Welding bracket |
| CN207615845U (en) * | 2017-12-12 | 2018-07-17 | 天津天缘科技有限公司 | A kind of battery pack spot welding apparatus |
| CN209811546U (en) * | 2019-05-08 | 2019-12-20 | 冼水莲 | Welding equipment convenient to nimble regulation |
| CN110497058A (en) * | 2019-08-23 | 2019-11-26 | 凌军 | A kind of steel plate automatic soldering device with feed function |
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Application publication date: 20200619 |