阅读说明：本技术 一种汽车踏板定位焊接装置 (Automobile pedal positioning welding device ) 是由 洪苹果 李玉华 刘昱龙 于 2021-08-25 设计创作，主要内容包括：本发明涉及焊接装置,尤其涉及一种汽车踏板定位焊接装置。要解决的技术问题是：踏板和踏板臂环形焊接时,无法实现全面焊接,存在一个缺口,需要人工或精密控制设备补焊。本发明的技术实施方案是：一种汽车踏板定位焊接装置,包括有提升组件、第一转动组件和焊接机构等；第一安装架上方后部连接有提升组件；第一安装架上方前部连接有第一转动组件,并且第一转动组件与提升组件连接。本发明可以对踏板和踏板臂进行自动焊接,同时在环形焊接踏板和踏板臂时,可以将环形焊接时产生的缺口转移踏板臂侧面,如此可直接对缺口进行补焊,得到焊接完整的环形焊接条,避免人工补焊,危险且会损伤眼睛。(The invention relates to a welding device, in particular to a positioning welding device for an automobile pedal. The technical problem to be solved is as follows: when footboard and pedal arm annular welding, can't realize comprehensive welding, there is a breach, needs artifical or precision control equipment repair welding. The technical implementation scheme of the invention is as follows: a positioning welding device for an automobile pedal comprises a lifting assembly, a first rotating assembly, a welding mechanism and the like; the rear part above the first mounting frame is connected with a lifting assembly; the front part above the first mounting frame is connected with a first rotating assembly, and the first rotating assembly is connected with the lifting assembly. The invention can automatically weld the pedal and the pedal arm, and can transfer the notch generated in the annular welding process to the side surface of the pedal arm when the pedal and the pedal arm are welded in an annular mode, so that the notch can be directly subjected to repair welding to obtain the completely welded annular welding strip, thereby avoiding the manual repair welding, danger and eye damage.)

1. A positioning welding device for an automobile pedal comprises a first mounting frame (1); the method is characterized in that: the device also comprises a lifting component (2), a first rotating component (3) and a welding mechanism (4); the rear part above the first mounting frame (1) is connected with a lifting assembly (2); the upper part of the lifting component (2) is connected with a welding mechanism (4), and the welding mechanism (4) is provided with a welding rod (416) for welding the pedal and the pedal arm; the front part of the lifting component (2) is connected with a first rotating component (3); the first rotating assembly (3) drives the welding mechanism (4) to integrally rotate through the lifting assembly (2); the welding mechanism (4) integrally rotates to drive a welding rod (416) to perform annular welding on the joint of the pedal and the pedal arm; the welding rod (416) is inclined at forty-five degrees in the vertical direction and at forty-five degrees in the horizontal direction relative to the first mounting frame (1); an inclined welding rod (416) is used for transferring the generation gap of the annular welding of the pedal and the pedal arm; the lifting assembly (2) is used for driving the welding mechanism (4) to integrally move downwards, so that the welding rod (416) moves downwards to repair the annular welding gap.

2. A tack welding apparatus for an automotive pedal according to claim 1, characterized in that: the lifting assembly (2) comprises a second motor (201), a second connecting frame (202), a screw rod (203), a fourth connecting plate (204), a first sliding block (205), a first U-shaped plate (206), a resistance shaft (207), a second gear (208) and a second rotating rod (209); a second motor (201) is arranged at the rear part of the lower surface of the first mounting frame (1); a second connecting frame (202) is fixedly connected to the rear part above the first mounting frame (1); the front part of the second connecting frame (202) is rotatably connected with a screw rod (203), and the bottom end of the screw rod (203) is fixedly connected with an output shaft of a second motor (201); two fourth connecting plates (204) are fixedly connected to the front side of the second connecting frame (202) on the first mounting frame (1); the middle lower parts of the outer surfaces of the two fourth connecting plates (204) are connected with a first sliding block (205) in a sliding way; the rear part of the first sliding block (205) is fixedly connected with a first U-shaped plate (206), and the first U-shaped plate (206) is connected with the screw rod (203) in a screwing mode through a transmission sleeve at the bottom; the top of the first U-shaped plate (206) is rotatably connected with a resistance shaft (207); a second rotating rod (209) is fixedly connected inside the resistance shaft (207); the left part of the outer surface of the second rotating rod (209) is connected with a welding mechanism (4); the second gear (208) rotates through the resistance shaft (207) and the second rotating rod (209), and the second rotating rod (209) rotates to drive the welding mechanism (4) to integrally rotate.

3. A tack welding apparatus for an automotive pedal according to claim 2, characterized in that: the first rotating assembly (3) comprises a third motor (301), a third rotating rod (302), a third belt pulley (303), a third gear (304) and a fourth belt pulley (305); a third motor (301) is arranged at the front part above the first mounting rack (1); the tops of the two fourth connecting plates (204) are rotatably connected with third rotating rods (302); a third belt pulley (303) is fixedly connected to the right part of the outer surface of the third rotating rod (302); a third gear (304) is fixedly connected to the middle part of the outer surface of the third rotating rod (302), and the third gear (304) is meshed with the second gear (208); the third gear (304) is used for meshing and driving the second gear (208) to rotate, a fourth belt pulley (305) is fixedly connected to the right output shaft of the third motor (301), and the outer annular surface of the fourth belt pulley (305) is in transmission connection with the third belt pulley (303) through a belt.

4. A tack welding apparatus for an automotive pedal according to claim 3, characterized in that: the welding mechanism (4) comprises a fixed connecting sleeve (401), a second connecting plate (402), a third connecting plate (403), a guide sliding rail (404), a sliding plate (411), a welding gun (413), a first clamping plate (414), a second clamping plate (415) and a pushing assembly; the left part of the outer surface of the second rotating rod (209) is fixedly connected with a fixing sleeve (401); the rear side of the fixing sleeve (401) is fixedly connected with a second connecting plate (402); a third connecting plate (403) is fixedly connected to the rear left part above the second connecting plate (402); the top end of the third connecting plate (403) is fixedly connected with a guide sliding rail (404); a sliding plate (411) is connected in the guide sliding rail (404) in a sliding way; the bottom of the sliding plate (411) is fixedly connected with a welding gun (413); the sliding plate (411) slides relative to the guide sliding rail (404) and is used for driving the welding gun (413) to move towards the pedal and the pedal arm or move away from the pedal and the pedal arm, and the upper part of the welding gun (413) is fixedly connected with a first clamping plate (414); a second clamping plate (415) is fixedly connected with the clamping surface of the first clamping plate (414); an arc-shaped groove (414 a) is formed in one side of the clamping surface of the first clamping plate (414), and a semicircular hole groove (414 b) is formed in the other side of the clamping surface of the first clamping plate; the clamping surface of the second clamping plate (415) is provided with a groove which is the same as that of the first clamping plate (414), and the first clamping plate (414) and the second clamping plate (415) are used for clamping the welding rod (416); the rear part above the second connecting plate (402) is connected with a pushing assembly, and the pushing assembly is connected with the sliding plate (411) and used for pushing the sliding plate (411) to move, so that the welding rod (416) moves towards the pedal and the pedal arm, and the welding rod (416) is attached to the welding position of the pedal and the pedal arm.

5. The automobile pedal tack welding apparatus according to claim 4, wherein: the pushing assembly comprises a first connecting frame (405), a first motor (406), a first rotating rod (407), a first belt pulley (408), a second belt pulley (409), a first gear (410) and a rack (412); a first connecting frame (405) is fixedly connected to the right side of a third connecting plate (403) on the second connecting plate (402); a first motor (406) is arranged at the middle upper part of the first connecting frame (405); a first belt pulley (408) is fixedly connected to an output shaft at the front part of the first motor (406); the upper part of the first connecting frame (405) is rotatably connected with a first rotating rod (407); the front part of the outer surface of the first rotating rod (407) is fixedly connected with a second belt pulley (409), and the outer ring surface of the second belt pulley (409) is in transmission connection with a first belt pulley (408) through a belt; the middle part of the outer surface of the first rotating rod (407) is fixedly connected with a first gear (410); a rack (412) is fixedly connected to the upper surface of the sliding plate (411), and the rack (412) is meshed with the first gear (410).

6. The automobile pedal tack welding apparatus according to claim 5, wherein: the device also comprises a second mounting rack (5) and a clamping mechanism (7); a second mounting rack (5) is arranged on the left side of the first mounting rack (1); a clamping mechanism (7) is arranged on the second mounting frame (5); the clamping mechanism (7) comprises a sliding unit, a fifth connecting plate (706), a third clamping plate (707), a telescopic assembly (708), a fourth clamping plate (709), a supporting plate (710) and a fifth clamping plate (711); a sliding unit is arranged on the second mounting rack (5); the sliding unit is used for driving a clamping part of the clamping mechanism (7) to move up and down and back and forth and is used for being matched with the welding mechanism (4) to weld a square welding strip, and the front side and the rear side inside the sliding unit are fixedly connected with a fifth connecting plate (706); the upper parts of the opposite sides of the two fifth connecting plates (706) are fixedly connected with a third clamping plate (707), and the middle part of the third clamping plate (707) is provided with a plurality of mounting holes; the right side of the upper surface of each fifth connecting plate (706) is fixedly connected with a telescopic assembly (708); the upper parts of the two telescopic assemblies (708) are fixedly connected with a fourth clamping plate (709), the middle part of the fourth clamping plate (709) is concave, and a plurality of mounting holes are formed in the middle part of the concave part of the fourth clamping plate (709); the third clamping plate (707) and the fourth clamping plate (709) are used for clamping the vertically placed pedals, and the left side of the upper surface of each fifth connecting plate (706) is fixedly connected with a supporting plate (710); the middle part of the supporting plate (710) is symmetrically and slidably connected with two fifth clamping plates (711), and a plurality of mounting holes are formed in the bottoms of the two fifth clamping plates (711); spring members (712) are fixedly connected to opposite sides of the upper portions of the two fifth clamping plates (711), and the two fifth clamping plates (711) are used for clamping the pedal arms.

7. The automobile pedal tack welding apparatus according to claim 6, wherein: the sliding unit comprises a first sliding component (701), a second sliding block (702), a second U-shaped plate (703), a second sliding component (704) and a third sliding block (705); the upper surface of the second mounting rack (5) is fixedly connected with a first sliding assembly (701); the left side and the right side of the first sliding component (701) are both connected with a second sliding block (702) in a sliding manner; the upper parts of the two second sliding blocks (702) are fixedly connected with a second U-shaped plate (703); two opposite side surfaces of two vertical plates of the second U-shaped plate (703) are fixedly connected with a second sliding assembly (704); the middle parts of the opposite sides of the two second sliding assemblies (704) are both connected with a third sliding block (705) in a sliding manner, and the opposite side surfaces of the two third sliding blocks (705) are both fixedly connected with a fifth connecting plate (706) at the same side.

8. The automotive pedal tack welding apparatus of claim 7, wherein: the clamping mechanism (7) further comprises a first connecting rod (713), a first wedge-shaped block (714) and a second wedge-shaped block (715); two sides of the left end surface of the fourth splint (709) are fixedly connected with a first connecting rod (713); the opposite sides of the bottoms of the two first connecting rods (713) are fixedly connected with a first wedge-shaped block (714); the lower surfaces of the two first wedge blocks (714) are in contact connection with a second wedge block (715), and the lower surface of each second wedge block (715) is fixedly connected with a fifth splint (711) on the same side.

9. A tack welding apparatus for an automotive pedal according to claim 8, wherein: the middle front part and the middle rear part of the third splint (707) are both provided with insulating materials; the middle front part and the middle rear part of the concave part of the fourth splint (709) are provided with insulating materials; the middle front part and the middle rear part of the support plate (710) are provided with insulating materials; the two first wedge blocks (714) and the two second wedge blocks (715) are both of an insulating material.

10. A tack welding apparatus for an automotive pedal according to claim 9, wherein: the device also comprises a first connecting plate (6) and a material supplementing mechanism (8); the upper part of the rear side surface of the second mounting rack (5) is fixedly connected with a first connecting plate (6); the top of the first connecting plate (6) is connected with a material supplementing mechanism (8); the material supplementing mechanism (8) is used for supplementing welding rods (416) to the welding mechanism (4) in time to enable the welding mechanism (4) to work continuously, and the material supplementing mechanism (8) comprises a sixth connecting plate (801), a third sliding assembly (802), a fourth sliding block (803), a third connecting frame (804), a second rotating assembly (805), a connecting disc (806), a second connecting rod (807), a placing cylinder (808), a chuck (809) and a push pin (810); the front side surface of the top of the first connecting plate (6) is fixedly connected with a sixth connecting plate (801); the lower surface of the sixth connecting plate (801) is fixedly connected with a third sliding assembly (802); the upper side and the lower side of the third sliding component (802) are both connected with a fourth sliding block (803) in a sliding way; the side surfaces of the two fourth sliding blocks (803) far away from the third sliding assembly (802) are fixedly connected with a third connecting frame (804); the lower part of the third connecting frame (804) is connected with a second rotating assembly (805); a connecting disc (806) is fixedly connected to the upper part of the second rotating assembly (805); the middle part of the inclined upper surface of the connecting disc (806) is fixedly connected with a second connecting rod (807); a placing cylinder (808) is inserted in the middle of the second connecting rod (807); the outer annular surface of the placing barrel (808) is provided with at least ten placing grooves (808 a); the upper part of the second connecting rod (807) is inserted with a chuck (809); at least ten clamping grooves (809 a) are formed in the outer annular surface of the chuck (809), and elastic resistance pieces in adaptive shapes are arranged in the clamping grooves (809 a); the upper part of the third connecting frame (804) is fixedly connected with a push pin (810), and the lowest placing groove (808 a) and the lowest clamping groove (809 a) are in the same straight line.

Technical Field

The invention relates to a welding device, in particular to a positioning welding device for an automobile pedal.

Background

Automobile brake, the footboard and the pedal arm welding of clutch and accelerator form, the position that the footboard is connected to the pedal arm is when circular, need carry out the annular weld to it, to automobile brake, when the footboard and the pedal arm of clutch and accelerator carry out the annular weld, because the existence of pedal arm, use existing equipment to carry out the annular weld to it, all can have a breach can't obtain the welding, lead to the intensity after the welding not enough, easily gather dust and water in the weld space, the welding area rusts the fracture, consequently, need the manual work to repair welding its breach, or have the complicated supplementary completion of equipment of precision control.

Disclosure of Invention

The invention provides a positioning welding device for an automobile pedal, aiming at overcoming the defects that when the pedal and a pedal arm are welded in an annular mode, comprehensive welding cannot be achieved, a gap exists, and repair welding of manual or precise control equipment is needed.

The technical implementation scheme of the invention is as follows: a positioning welding device for an automobile pedal comprises a first mounting frame; still including promoting the subassembly, first rotation subassembly and the first mounting bracket top rear portion of welding mechanism are connected with the promotion subassembly, promotion subassembly upper portion is connected with welding mechanism, welding mechanism has the welding rod that is used for welding footboard and pedal arm, it is connected with first rotation subassembly to promote the subassembly front portion, first rotation subassembly drives the whole rotation of welding mechanism through the promotion subassembly, be used for driving the welding rod and carry out the annular weld to footboard and pedal arm butt joint department, the welding rod is for first mounting bracket, be forty-five degree slope in vertical direction, be forty-five degree slope in the horizontal direction, be used for shifting footboard and pedal arm annular weld's production breach, it is used for driving the whole downstream of welding mechanism to promote the subassembly, make the welding rod move down and mend the welding to annular weld's breach.

Furthermore, the lifting assembly comprises a second motor, a second connecting frame, a screw rod, a fourth connecting plate, a first sliding block, a first U-shaped plate, a resistance shaft, a second gear and a second rotating rod; a second motor is arranged at the rear part of the lower surface of the first mounting frame; a second connecting frame is fixedly connected to the rear part above the first mounting frame; the front part of the second connecting frame is rotatably connected with a screw rod, and the bottom end of the screw rod is fixedly connected with an output shaft of a second motor; two fourth connecting plates are fixedly connected to the front side of the second connecting frame on the first mounting frame; the middle lower parts of the outer surfaces of the two fourth connecting plates are connected with a first sliding block in a sliding manner; the rear part of the first sliding block is fixedly connected with a first U-shaped plate, and the first U-shaped plate is in screwed connection with the screw rod through a transmission sleeve at the bottom; the top of the first U-shaped plate is rotatably connected with a resistance shaft; a second rotating rod is fixedly connected inside the resistance shaft; the left part of the outer surface of the second rotating rod is connected with a welding mechanism; the second gear rotates through resistance axle and second dwang and rotates, and the second dwang rotates and drives welding mechanism whole rotation.

Further, the first rotating assembly comprises a third motor, a third rotating rod, a third belt pulley, a third gear and a fourth belt pulley; a third motor is arranged on the front part above the first mounting frame; the tops of the two fourth connecting plates are rotatably connected with a third rotating rod; a third belt pulley is fixedly connected to the right part of the outer surface of the third rotating rod; the middle part of the outer surface of the third rotating rod is fixedly connected with a third gear, and the third gear is meshed with the second gear; the third gear is used for meshing and driving the second gear to rotate, a fourth belt pulley is fixedly connected with the right output shaft of the third motor, and the outer ring surface of the fourth belt pulley is in transmission connection with the third belt pulley through a belt.

Furthermore, the welding mechanism comprises a fixed connecting sleeve, a second connecting plate, a third connecting plate, a guide sliding rail, a sliding plate, a welding gun, a first clamping plate, a second clamping plate and a pushing assembly; the left part of the outer surface of the second rotating rod is fixedly connected with a fixing sleeve; the rear side of the fixing sleeve is fixedly connected with a second connecting plate; a third connecting plate is fixedly connected to the rear left part above the second connecting plate; the top end of the third connecting plate is fixedly connected with a guide slide rail; a sliding plate is connected in the guide sliding rail in a sliding way; the bottom of the sliding plate is fixedly connected with a welding gun; the sliding plate slides relative to the guide sliding rail and is used for driving the welding gun to move towards the pedal and the pedal arm or move away from the pedal and the pedal arm, and the upper part of the welding gun is fixedly connected with a first clamping plate; the clamping surface of the first clamping plate is fixedly connected with a second clamping plate; one side of the clamping surface of the first clamping plate is provided with an arc-shaped groove, and the other side of the clamping surface of the first clamping plate is provided with a semicircular hole groove; the clamping surface of the second clamping plate is provided with a groove which is the same as that of the first clamping plate, and the first clamping plate and the second clamping plate are used for clamping welding rods; the rear portion above the second connecting plate is connected with a pushing assembly, the pushing assembly is connected with the sliding plate to be used for pushing the sliding plate to move, the welding rod moves towards the pedal and the pedal arm, and the welding rod is attached to the welding position of the pedal and the pedal arm.

Furthermore, the pushing assembly comprises a first connecting frame, a first motor, a first rotating rod, a first belt pulley, a second belt pulley, a first gear and a rack; a first connecting frame is fixedly connected to the right side of a third connecting plate on the second connecting plate; a first motor is arranged at the middle upper part of the first connecting frame; a first belt pulley is fixedly connected with an output shaft at the front part of the first motor; the upper part of the first connecting frame is rotatably connected with a first rotating rod; the front part of the outer surface of the first rotating rod is fixedly connected with a second belt pulley, and the outer ring surface of the second belt pulley is in transmission connection with the first belt pulley through a belt; the middle part of the outer surface of the first rotating rod is fixedly connected with a first gear; the upper surface of the sliding plate is fixedly connected with a rack, and the rack is meshed with the first gear.

Furthermore, the device also comprises a second mounting frame and a clamping mechanism; a second mounting rack is arranged on the left side of the first mounting rack; the second mounting frame is provided with a clamping mechanism; the clamping mechanism comprises a sliding unit, a fifth connecting plate, a third clamping plate, a telescopic assembly, a fourth clamping plate, a supporting plate and a fifth clamping plate; the second mounting frame is provided with a sliding unit; the sliding unit is used for driving the clamping part of the clamping mechanism to move up and down and back and forth and is used for being matched with the welding mechanism to weld a square welding strip, and the front side and the rear side inside the sliding unit are fixedly connected with a fifth connecting plate; the upper parts of the opposite sides of the two fifth connecting plates are fixedly connected with a third clamping plate, and the middle part of the third clamping plate is provided with a plurality of mounting holes; the right side of the upper surface of each fifth connecting plate is fixedly connected with a telescopic assembly; the upper parts of the two telescopic assemblies are fixedly connected with a fourth clamping plate, the middle part of the fourth clamping plate is concave, and the middle part of the concave part of the fourth clamping plate is provided with a plurality of mounting holes; the third clamping plate and the fourth clamping plate are used for clamping a vertically placed pedal, and a supporting plate is fixedly connected to the left side of the upper surface of each fifth connecting plate; the middle part of the supporting plate is symmetrically and slidably connected with two fifth clamping plates, and a plurality of mounting holes are formed in the bottoms of the two fifth clamping plates; the opposite sides of the upper parts of the two fifth clamping plates are fixedly connected with spring pieces, and the two fifth clamping plates are used for clamping the pedal arm.

Furthermore, the sliding unit comprises a first sliding assembly, a second sliding block, a second U-shaped plate, a second sliding assembly and a third sliding block; the upper surface of the second mounting frame is fixedly connected with a first sliding assembly; the left side and the right side of the first sliding component are both connected with a second sliding block in a sliding manner; the upper parts of the two second sliding blocks are fixedly connected with a second U-shaped plate; two opposite side surfaces of the two vertical plates of the second U-shaped plate are fixedly connected with a second sliding assembly; two second sliding component side middle parts in opposite directions all have a third slider to two third sliders side in opposite directions all carry out fixed connection with the fifth connecting plate of homonymy.

Furthermore, the clamping mechanism also comprises a first connecting rod, a first wedge-shaped block and a second wedge-shaped block; two sides of the left end surface of the fourth clamping plate are fixedly connected with a first connecting rod; the opposite sides of the bottoms of the two first connecting rods are fixedly connected with a first wedge-shaped block; the lower surfaces of the two first wedge blocks are in contact connection with a second wedge block, and the lower surface of each second wedge block is fixedly connected with a fifth clamping plate on the same side.

Furthermore, the middle front part and the middle rear part of the third clamping plate are both provided with insulating materials; the middle front part and the middle rear part of the concave part of the fourth splint are provided with insulating materials; the middle front part and the middle rear part of the support plate are both provided with insulating materials; the two first wedge blocks and the two second wedge blocks are made of insulating materials.

Further, the device also comprises a first connecting plate and a material supplementing mechanism; the upper part of the rear side surface of the second mounting frame is fixedly connected with a first connecting plate; the top of the first connecting plate is connected with a material supplementing mechanism; the feeding mechanism is used for timely feeding welding rods for the welding mechanism to enable the welding mechanism to continuously work and comprises a sixth connecting plate, a third sliding assembly, a fourth sliding block, a third connecting frame, a second rotating assembly, a connecting disc, a second connecting rod, a placing barrel, a chuck and a push pin; the front side surface of the top of the first connecting plate is fixedly connected with a sixth connecting plate; the lower surface of the sixth connecting plate is fixedly connected with a third sliding assembly; the upper side and the lower side of the third sliding component are both connected with a fourth sliding block in a sliding manner; the side surfaces of the two fourth sliding blocks, which are far away from the third sliding assembly, are fixedly connected with a third connecting frame; the lower part of the third connecting frame is connected with a second rotating assembly; the upper part of the second rotating assembly is fixedly connected with a connecting disc; the middle part of the inclined upper surface of the connecting disc is fixedly connected with a second connecting rod; a placing cylinder is inserted in the middle of the second connecting rod; the outer ring surface of the placing cylinder is provided with at least ten placing grooves; the upper part of the second connecting rod is inserted with a chuck; the outer ring surface of the chuck is provided with at least ten clamping grooves, and elastic resistance pieces with adaptive shapes are arranged in the clamping grooves; the upper part of the third connecting frame is fixedly connected with a push pin, and the placing groove at the lowest part and the clamping groove at the lowest part are positioned on the same straight line.

The invention has the beneficial effects that: the invention can automatically weld the pedal and the pedal arm, and can transfer the notch generated in the annular welding process to the side surface of the pedal arm when the pedal and the pedal arm are welded in an annular mode, so that the notch can be directly subjected to repair welding to obtain the completely welded annular welding strip, thereby avoiding the manual repair welding, danger and eye damage.

The welding rods inclined at forty-five degrees in the vertical direction and the horizontal direction can avoid slag inclusion and obtain uniformly welded welding strips through oblique-pull welding when the pedal and the pedal arm are welded, and can repair welding a gap of the welding strips caused by the pedal arm to obtain complete welding strips, so that the pedal and the pedal arm are welded firmly.

The first rotating assembly can drive the welding mechanism to rotate through the lifting assembly, and the lifting assembly can drive the welding mechanism to move upwards or downwards, so that the pedal and the pedal arm are welded in an annular mode through the welding mechanism, and gaps are repaired and welded.

The clamping mechanism can stably clamp the pedal and the pedal, and the pedal arm are welded by matching with the welding mechanism to obtain a circular welding strip or a rectangular welding strip without slag inclusion.

The feeding mechanism can automatically provide new welding rods for the welding mechanism, so that the welding mechanism can continuously work, and labor is saved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a device for positioning and welding a pedal of an automobile;

FIG. 2 is a schematic perspective view of a second embodiment of a device for positioning and welding an automotive pedal;

FIG. 3 is a third schematic perspective view of an embodiment of a device for tack welding an automotive pedal;

FIG. 4 is a schematic perspective view of an exemplary embodiment of a device for tack welding an automotive pedal;

FIG. 5 is a schematic perspective view of a lifting assembly and a first rotating assembly according to an embodiment;

FIG. 6 is a partial perspective view of one embodiment of a lifting assembly;

FIG. 7 is a schematic perspective view of a welding mechanism according to one embodiment;

FIG. 8 is an exploded partial perspective view of a welding mechanism according to one embodiment;

FIG. 9 is a schematic perspective view of a clamping mechanism according to an embodiment;

FIG. 10 is a first schematic perspective view of a feeding mechanism according to an embodiment;

FIG. 11 is a schematic perspective view of a feeding mechanism according to an embodiment.

Number designation in the figures: 1-a first mounting frame, 2-a lifting assembly, 3-a first rotating assembly, 4-a welding mechanism, 401-a fixing sleeve, 402-a second connecting plate, 403-a third connecting plate, 404-a guide slide rail, 405-a first connecting frame, 406-a first motor, 407-a first rotating rod, 408-a first belt pulley, 409-a second belt pulley, 410-a first gear, 411-a slide plate, 412-a rack, 413-a welding gun, 414-a first clamping plate, 414 a-an arc-shaped groove, 414 b-a semicircular hole groove, 415-a second clamping plate, 416-a welding rod, 201-a second motor, 202-a second connecting frame, 203-a screw rod, 204-a fourth connecting plate, 205-a first slide block, 206-a first U-shaped plate, 207-a resistance shaft, 208-second gear, 209-second rotating rod, 301-third motor, 302-third rotating rod, 303-third pulley, 304-third gear, 305-fourth pulley, 5-second mounting frame, 7-clamping mechanism, 701-first sliding component, 702-second sliding block, 703-second U-shaped plate, 704-second sliding component, 705-third sliding block, 706-fifth connecting plate, 707-third clamping plate, 708-telescopic component, 709-fourth clamping plate, 710-supporting plate, 711-fifth clamping plate, 712-spring component, 713-first connecting rod, 714-first wedge block, 715-second wedge block, 6-first connecting plate, 8-feeding mechanism, 801-sixth connecting plate, 802-a third sliding assembly, 803-a fourth sliding block, 804-a third connecting frame, 805-a second rotating assembly, 806-a connecting disc, 807-a second connecting rod, 808-a placing barrel, 808a placing groove, 809-a chuck, 809 a-a clamping groove and 810-a push pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In an embodiment of the present invention, the first slide assembly 701 and the second slide assembly 704 are electric slide rails, the telescopic assembly 708 is an electric push rod, and the spring element 712 is a spring.

Example 1

A positioning welding device for automobile pedals is shown in figures 1-4 and comprises a first mounting frame 1, a lifting assembly 2, a first rotating assembly 3 and a welding mechanism 4; the rear part above the first mounting frame 1 is connected with a lifting assembly 2; the front part above the first mounting frame 1 is connected with a first rotating assembly 3, and the first rotating assembly 3 is connected with a lifting assembly 2; the upper part of the lifting component 2 is connected with a welding mechanism 4, and the welding mechanism 4 is used for welding a pedal and a pedal arm.

When the automobile pedal positioning welding device is used, firstly, the automobile pedal positioning welding device is horizontally installed and debugged, then, a power supply is switched on, manual work is used for automobile braking, a pedal and a pedal arm of a clutch and an accelerator are well fixed and are simultaneously positioned in a working area of a welding mechanism 4, the welding parts of the pedal and the pedal arm are butted together at the moment, the pedal is vertically placed, the pedal arm faces downwards, then, a first rotating assembly 3 is controlled to drive the welding mechanism 4 to weld the welding area of the pedal and the pedal arm in a surrounding mode through a lifting assembly 2, when a welding part of the welding mechanism 4 moves around the welding area of the pedal and the pedal arm at a constant speed, slag clamping does not occur in the welding area, the welding effect is good, meanwhile, when the welding mechanism 4 is welded, the pedal arm can block the welding part of the welding mechanism 4 from moving in a surrounding mode, a gap exists in the annular welding area, and when the welding mechanism 4 is welded, the notch can be transferred to the side face of the pedal arm instead of the bending area of the pedal arm, then the welding part of the welding mechanism 4 is adjusted to face the notch, then the lifting component 2 is controlled to drive the welding mechanism 4 to move downwards, so that the notch is located in the range where the welding mechanism 4 can be welded, and the notch is subjected to repair welding through the welding mechanism 4, and the pedal arm which are welded and fastened are obtained in such a way, and the welding strip obtained by welding is annular.

Example 2

On the basis of the embodiment 1, as shown in fig. 5, 7 and 8, the welding mechanism 4 includes a fixing sleeve 401, a second connecting plate 402, a third connecting plate 403, a guide rail 404, a sliding plate 411, a welding gun 413, a first clamping plate 414, an arc-shaped groove 414a, a semicircular hole groove 414b, a second clamping plate 415 and a welding rod 416; the upper part of the lifting component 2 is fixedly connected with a fixing sleeve 401; a second connecting plate 402 is fixedly connected to the rear side of the fixing sleeve 401; a third connecting plate 403 is welded at the rear left part above the second connecting plate 402; a guide sliding rail 404 is welded at the top end of the third connecting plate 403; a sliding plate 411 is connected in the guide sliding rail 404 in a sliding manner; the bottom of the sliding plate 411 is fixedly connected with a welding gun 413; a first clamping plate 414 is fixedly connected to the upper part of the welding gun 413; a second clamping plate 415 is connected to the clamping surface of the first clamping plate 414 through bolts; an arc-shaped groove 414a is formed on one side of the clamping surface of the first clamping plate 414, and a semicircular hole groove 414b is formed on the other side; the clamping surface of the second clamping plate 415 is provided with a groove which is the same as that of the first clamping plate 414, a welding rod 416 is clamped between the first clamping plate 414 and the second clamping plate 415, and the pedal arm are welded together through the welding rod 416.

The welding rod 416 is inclined at forty-five degrees in the vertical direction and at forty-five degrees in the horizontal direction with respect to the second connecting plate 402, thereby preventing slag inclusion during welding.

The welding mechanism 4 further comprises a first connecting frame 405, a first motor 406, a first rotating rod 407, a first belt pulley 408, a second belt pulley 409, a first gear 410 and a rack 412; a first connecting frame 405 is connected to the right side of the third connecting plate 403 on the second connecting plate 402 through bolts; a first motor 406 is mounted at the middle upper part of the first connecting frame 405; a first belt pulley 408 is fixedly connected to an output shaft at the front part of the first motor 406; a first rotating rod 407 is rotatably connected to the upper part of the first connecting frame 405; the front part of the outer surface of the first rotating rod 407 is fixedly connected with a second belt pulley 409, and the outer ring surface of the second belt pulley 409 is in transmission connection with a first belt pulley 408 through a belt; the middle part of the outer surface of the first rotating rod 407 is fixedly connected with a first gear 410; a rack 412 is fixedly connected to the upper surface of the sliding plate 411, and the rack 412 is engaged with the first gear 410.

The sliding groove formed inside the guiding sliding rail 404 is convex, which is beneficial for the rack 412 to pass through.

Firstly, electrifying an electric welding machine connected with a welding gun 413, clamping a ground wire clamp of the electric welding machine in equipment for fixing a pedal and a pedal arm after the pedal and the pedal arm are fixed, thus forming a current path, when the welding mechanism 4 works, the welding gun 413 welds the pedal and the pedal arm through a welding rod 416, controlling the welding mechanism 4 to move to an initial welding position shown in figure 4 before welding, wherein the welding rod 416 is attached to the front side surface of the pedal arm, then starting welding work, driving a fixing sleeve 401 and a second connecting plate 402 to rotate clockwise from the right side through a lifting assembly 2 by a first rotating assembly 3, driving the welding rod 416 to rotate circularly around the welding area of the pedal and the pedal arm in the process that the fixing sleeve 401 and the second connecting plate 402 rotate clockwise, thereby welding through the welding rod 416 to obtain a circular welding strip with a gap, further, because the welding rod 416 is inclined at forty-five degrees in the vertical direction and the horizontal direction, therefore, when the welding rod 416 is pulled clockwise for welding, the coating and molten iron generated by welding cannot be mixed together, slag inclusion occurs, and a welding rod with uniform welding can be obtained, further, because the welding rod 416 is inclined, the initial welding position is located at the rear lower part of the annular welding area of the pedal and the pedal arm, and the notch of the welding rod is also located at the position, further, when the welding rod 416 rotates clockwise to the tail end of the stroke, the welding rod 416 contacts with the rear side surface of the pedal arm, then the first rotating assembly 3 is controlled to drive the welding mechanism 4 to rotate reversely through the lifting assembly 2, so that the welding rod 416 is symmetrical to the position of the welding rod 416 shown in figure 4, then the lifting assembly 2 is controlled to drive the welding mechanism 4 to move downwards, so that the notch of the welding rod is moved to the obliquely upper part of the welding rod 416, thus the notch of the welding rod can be repaired through the welding rod 416, further, when the welding gun 413 performs welding operation, first motor 406 passes through first belt pulley 408 transmission second belt pulley 409, and then second belt pulley 409 passes through first rotation pole 407 transmission first gear 410 and rotates, and first gear 410 passes through rack 412 and drives rack 412 and slide at direction slide rail 404, so can drive welding rod 416 and remove to when letting welding rod 416 weld footboard and footboard arm welding area, welding rod 416 can hug closely the welding area, accomplishes welding work.

As shown in fig. 5-6, the lifting assembly 2 comprises a second motor 201, a second connecting frame 202, a screw rod 203, a fourth connecting plate 204, a first sliding block 205, a first U-shaped plate 206, a resistance shaft 207, a second gear 208 and a second rotating rod 209; a second motor 201 is arranged at the rear part of the lower surface of the first mounting frame 1; a second connecting frame 202 is connected to the rear part above the first mounting frame 1 through bolts; the front part of the second connecting frame 202 is rotatably connected with a screw rod 203, and the bottom end of the screw rod 203 is fixedly connected with an output shaft of the second motor 201; two fourth connecting plates 204 are connected to the front side of the second connecting frame 202 on the first mounting frame 1 through bolts; the middle lower parts of the outer surfaces of the two fourth connecting plates 204 are connected with a first sliding block 205 in a sliding manner; the rear part of the first sliding block 205 is connected with a first U-shaped plate 206 through a bolt, and the first U-shaped plate 206 is screwed with the screw rod 203 through a transmission sleeve at the bottom; the top of the first U-shaped plate 206 is rotatably connected with a resistance shaft 207; the resistance shaft 207 is fixedly connected with a second rotating rod 209 inside, and the resistance shaft 207 is used for limiting the second rotating rod 209 to rotate automatically; the left part of the outer surface of the second rotating rod 209 is fixedly connected with the fixed connection sleeve 401.

The first rotating assembly 3 comprises a third motor 301, a third rotating rod 302, a third belt pulley 303, a third gear 304 and a fourth belt pulley 305; the front part above the first mounting rack 1 is provided with a third motor 301; the tops of the two fourth connecting plates 204 are rotatably connected with third rotating rods 302; a third belt pulley 303 is fixedly connected to the right part of the outer surface of the third rotating rod 302; a third gear 304 is fixedly connected to the middle of the outer surface of the third rotating rod 302, and the third gear 304 is meshed with the second gear 208; a fourth pulley 305 is fixedly connected to the right output shaft of the third motor 301, and the outer annular surface of the fourth pulley 305 is in transmission connection with the third pulley 303 through a belt.

When the welding mechanism 4 needs to be driven to rotate, the third motor 301 drives the third belt pulley 303 to rotate through the fourth belt pulley 305, then the third belt pulley 303 drives the third gear 304 to rotate through the third rotating rod 302, then the third gear 304 drives the second gear 208 engaged with the third gear to rotate, the second gear 208 drives the second rotating rod 209 to rotate through the resistance shaft 207, the second rotating rod 209 drives the fixing sleeve 401 and the second connecting plate 402 to rotate, so as to drive the welding mechanism 4 to rotate, further, when the welding mechanism 4 needs to be driven to move upwards or downwards, the output shaft of the second motor 201 drives the first U-shaped plate 206 to move upwards or downwards through the screw rod 203, the first U-shaped plate 206 moves upwards to drive the resistance shaft 207 and the second rotating rod 209 to move upwards or downwards, the second rotating rod 209 drives the fixing sleeve 401 and the second connecting plate 402 to move upwards or downwards, therefore, the welding mechanism 4 is driven to move upwards or downwards, further, when the first U-shaped plate 206 moves upwards or downwards, the first sliding block 205 is driven to slide and guide on the two fourth connecting plates 204, and further, when the resistance shaft 207 does not rotate in the third motor 301, the directions of the fixing sleeve 401 and the second connecting plate 402 can be kept unchanged.

As shown in fig. 9, the device further comprises a second mounting frame 5 and a clamping mechanism 7; a second mounting rack 5 is arranged on the left side of the first mounting rack 1; the second mounting frame 5 is provided with a clamping mechanism 7, and the clamping mechanism 7 is used for clamping the pedal and the pedal arm; the clamping mechanism 7 comprises a sliding unit, a fifth connecting plate 706, a third clamping plate 707, a telescopic assembly 708, a fourth clamping plate 709, a supporting plate 710 and a fifth clamping plate 711; the second mounting bracket 5 is provided with a sliding unit; the front side and the rear side of the interior of the sliding unit are both connected with a fifth connecting plate 706 through bolts; the upper parts of the opposite sides of the two fifth connecting plates 706 are fixedly connected with a third clamping plate 707, and the middle part of the third clamping plate 707 is provided with a plurality of mounting holes; the right side of the upper surface of each fifth connecting plate 706 is fixedly connected with a telescopic assembly 708; a fourth clamping plate 709 is connected to the upper portions of the two telescopic assemblies 708 through bolts, the middle of the fourth clamping plate 709 is concave, a plurality of mounting holes are formed in the middle of the concave portion of the fourth clamping plate 709, the third clamping plate 707 is located right below the fourth clamping plate 709, and the third clamping plate 707 and the fourth clamping plate 709 are used for clamping a pedal; the left side of the upper surface of each fifth connecting plate 706 is connected with a supporting plate 710 through bolts; the middle part of the supporting plate 710 is symmetrically and slidably connected with two fifth clamping plates 711, the bottoms of the two fifth clamping plates 711 are respectively provided with a plurality of mounting holes, and the two fifth clamping plates 711 are used for clamping pedal arms; spring members 712 are welded to upper opposite sides of the two fifth plates 711.

The sliding unit comprises a first sliding component 701, a second sliding block 702, a second U-shaped plate 703, a second sliding component 704 and a third sliding block 705; the upper surface of the second mounting frame 5 is connected with a first sliding assembly 701 through bolts; the left side and the right side of the first sliding component 701 are both connected with a second sliding block 702 in a sliding manner; the upper parts of the two second sliding blocks 702 are connected with a second U-shaped plate 703 through bolts; two vertical plate opposite side surfaces of the second U-shaped plate 703 are both connected with a second sliding component 704 through bolts; the middle parts of the opposite sides of the two second sliding assemblies 704 are connected with a third sliding block 705 in a sliding mode, and the opposite sides of the two third sliding blocks 705 are connected with a fifth connecting plate 706 on the same side through bolts.

The clamping mechanism 7 further comprises a first connecting rod 713, a first wedge block 714 and a second wedge block 715; two sides of the left end surface of the fourth clamping plate 709 are both connected with a first connecting rod 713 through bolts; the opposite sides of the bottoms of the two first connecting rods 713 are respectively in bolted connection with a first wedge block 714; the lower surfaces of the two first wedge blocks 714 are connected with one second wedge block 715 in a contact manner, and the lower surface of each second wedge block 715 is welded with the fifth clamping plate 711 on the same side.

The middle front part and the middle rear part of the third clamping plate 707 are both provided with insulating materials; the middle front part and the middle rear part of the concave part of the fourth splint 709 are both provided with insulating materials; the support plate 710 is provided with insulating materials at the middle front part and the middle rear part; the two first wedge blocks 714 and the two second wedge blocks 715 are each an insulating material for preventing current from flowing.

The middle rear part of the fourth clamping plate 709 is provided with a concave area for clamping a ground wire clamp of the electric welding machine.

When the pedal and the pedal arm need to be fixed, firstly, the pedal and the pedal arm are welded according to needs, adaptive clamps are assembled on the two fifth clamping plates 711, meanwhile, the adaptive clamps are assembled on the opposite sides of the fourth clamping plate 709 and the fifth clamping plates 711, then the pedal is vertically placed between the fourth clamping plate 709 and the fifth clamping plates 711, the pedal arm is aligned with the pedal, the lower part of the pedal arm is placed between the two fifth clamping plates 711, then the two telescopic assemblies 708 are controlled to drive the fourth clamping plate 709 to move downwards, the fourth clamping plate 709 moves downwards to be matched with the fifth clamping plates 711 to clamp and fix the pedal, further, when the fourth clamping plate 709 moves downwards, the fourth clamping plate 709 drives the two first wedge blocks 714 to move downwards through the two first connecting rods 713, and when the two first wedge blocks 714 move downwards, the two second wedge blocks 715 are driven to move towards the directions close to each other, so as to drive the two fifth clamping plates 711 to move towards each other, the two fifth clamping plates 711 clamp and fix the lower part of the pedal arm, further, the pedal and the pedal arm are completely clamped and fixed, as shown in fig. 9, further, after the welding is completed, the two telescopic assemblies 708 are controlled to reset, and then the spring element 712 drives the two fifth clamping plates 711 to reset; further, during welding, the part of the pedal arm connected with the pedal is square, during welding, firstly, the welding mechanism 4 moves to the state shown in fig. 1, then after the clamping mechanism 7 fixes the pedal and the pedal arm, the positions of the pedal and the pedal arm are adjusted through the clamping mechanism 7, the welding rod 416 is aligned to the front upper part of the square welding area, then the first sliding assembly 701 drives the second U-shaped plate 703 to move leftwards through the two second sliding blocks 702, and further drives the pedal and the pedal arm to move leftwards, namely the welding rod 416 is pulled rightwards; then the welding mechanism 4 is controlled to rotate ninety degrees clockwise, the square welding areas of the pedal and the pedal arm are adjusted through the clamping mechanism 7 again, the upper part of the rear part of the square welding area is contacted with the welding rod 416, and then the two second sliding assemblies 704 are controlled to drive the two second sliding assemblies to move upwards through the two third sliding blocks 705, so that the pedal and the pedal arm can be driven to move upwards, namely the welding rod 416 is pulled downwards; therefore, the upper side and the rear side of the square welding area of the pedal and the pedal arm are sequentially welded, then the welding mechanism 4 is controlled to be converted into the state shown in fig. 4, then the positions of the pedal and the pedal arm are adjusted through the clamping mechanism 7, the welding rod 416 is aligned with the rear lower part of the square welding area, then the first sliding assembly 701 drives the second U-shaped plate 703 to move rightwards through the two second sliding blocks 702, and the welding rod 416 is pulled leftwards; then the welding mechanism 4 is driven to rotate ninety degrees clockwise, then the clamping mechanism 7 is controlled to adjust the positions of the pedal and the pedal arm, the welding rod 416 is aligned with the front lower part of the square welding area, and then the two second sliding assemblies 704 are controlled to drive the two fifth connecting plates 706 to move upwards through the two third sliding blocks 705, so that the pedal and the pedal arm can be driven to move downwards, namely the welding rod 416 is pulled upwards; the lower side and the front side of the square welding area of the pedal and the pedal arm are welded firstly, so that a completely welded rectangular welding strip is obtained, and slag clamping cannot occur through oblique welding rods 416.

As shown in fig. 10-11, further comprises a first connecting plate 6 and a feeding mechanism 8; the upper part of the rear side surface of the second mounting frame 5 is connected with a first connecting plate 6 through bolts; the top of the first connecting plate 6 is connected with a material supplementing mechanism 8; the feeding mechanism 8 comprises a sixth connecting plate 801, a third sliding assembly 802, a fourth sliding block 803, a third connecting frame 804, a second rotating assembly 805, a connecting disc 806, a second connecting rod 807, a placing cylinder 808, a placing groove 808a, a chuck 809, a clamping groove 809a and a push pin 810; a sixth connecting plate 801 is welded on the front side face of the top of the first connecting plate 6; the lower surface of the sixth connecting plate 801 is connected with a third sliding assembly 802 through bolts; the upper side and the lower side of the third sliding component 802 are both connected with a fourth sliding block 803 in a sliding manner; the side faces, away from the third sliding assembly 802, of the two fourth sliding blocks 803 are bolted with a third connecting frame 804; the lower part of the third connecting frame 804 is connected with a second rotating assembly 805; a connecting disc 806 is fixedly connected to the upper part of the second rotating assembly 805; the middle part of the inclined upper surface of the connecting disc 806 is welded with a second connecting rod 807; a placing cylinder 808 is inserted in the middle of the second connecting rod 807; at least ten placing grooves 808a are formed in the outer annular surface of the placing barrel 808, and the placing grooves 808a are used for storing welding rods 416; a chuck 809 is inserted at the upper part of the second connecting rod 807; at least ten clamping grooves 809a are formed in the outer annular surface of the chuck 809, elastic resistance pieces in adaptive shapes are arranged in the clamping grooves 809a, and the clamping grooves 809a are used for clamping the handle of the welding rod 416; the upper portion of the third connecting frame 804 is fixedly connected with a push pin 810, the placing groove 808a at the lowest portion and the clamping groove 809a at the lowest portion are in the same straight line, and the push pin 810 is used for pushing the welding rod 416.

After the welding rod 416 is consumed, the welding mechanism 4 is controlled to move upwards from the state shown in fig. 1, the semicircular groove 414b and the push pin 810 are in the same straight line, in operation, the third sliding assembly 802 drives the third connecting frame 804 to move downwards obliquely through the two fourth sliding blocks 803, and then the third connecting frame 804 drives the push pin 810 to insert into the semicircular groove 414b formed in both the first clamping plate 414 and the second clamping plate 415, so as to eject the handle of the welding rod 416, and then drives the third connecting frame 804 to move upwards obliquely, so as to insert the welding rod 416 in the placing groove 808a between the first clamping plate 414 and the second clamping plate 415, the two semicircular grooves 414b facilitate the insertion of the welding rod 416, further, when the welding rod 416 is inserted, the lower part of the welding rod 416 is abutted by the connecting disc 806, so as to facilitate the insertion of the welding rod 416, further, after the welding rod 416 is completely inserted between the first clamping plate 414 and the second clamping plate 415, the welding mechanism 4 is controlled to move downwards, in this way, the welding rod 416 leaves from the placing groove 808a, and at the same time, the clamping groove 809a no longer clamps the handle of the welding rod 416, so as to replace a new welding rod 416 for the clamping mechanism 7, further, the connecting disc 806 drives the placing cylinder 808 and the clamping disc 809 to rotate through the second connecting rod 807, so as to transfer the next welding rod 416 to the straight line where the push pin 810 is located, and further, when the welding rod 416 leaves from the placing groove 808a, the connecting disc 806 does not form a barrier.

While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.