CN-120480507-B - Brake pedal robot welding fixture

Abstract

The invention relates to the technical field of welding and discloses a brake pedal robot welding tool which comprises a machine case, a station frame, a waste discharging assembly and positioning tools, wherein an annular supporting frame is fixedly arranged at the top of the machine case, an annular rotary table is movably arranged at the top of the annular supporting frame, rotating mechanisms for driving the annular rotary table to intermittently rotate are arranged on the machine case and the annular supporting frame, the station frame is fixedly arranged at the top of the annular rotary table, the station frame divides the top of the annular rotary table into a plurality of station areas with the same volume, the waste discharging assembly is arranged between the station areas and the machine case, and the positioning tools are arranged in each station area. This brake pedal robot welding frock realizes the top, side, end three-dimensional location to brake pedal, has solved the problem that traditional anchor clamps are difficult to accurate alignment, has still ensured pedal arm and pedal body's location action and has synchronous completely, has improved whole welding frock's commonality, satisfies quick welding demand, reduction in production cost, is showing and is promoting welding precision.

Inventors

• YIN SHIAN
• XU BIN

Assignees

• 江苏朗禾物联有限公司

Dates

Publication Date

20260508

Application Date

20250604

Claims (5)

1. 1. Brake pedal robot welding frock, its characterized in that includes: the top of the case (1) is fixedly provided with an annular supporting frame (2), the top of the annular supporting frame (2) is movably provided with an annular rotary table (3), and the case (1) and the annular supporting frame (2) are provided with a rotary mechanism for driving the annular rotary table (3) to intermittently rotate; the station frame (8) is fixedly arranged at the top of the annular rotary table (3), and the station frame (8) divides the top of the annular rotary table (3) into a plurality of station areas with the same volume; the waste discharge assembly is arranged between the station area and the chassis (1); each station area is internally provided with a positioning tool (6), each positioning tool (6) comprises a positioning frame (61) fixedly arranged at one side of the middle of the bottom of each station area, the inner wall of each positioning frame (61) is fixedly provided with a pedal arm supporting seat (68) for supporting a brake pedal (5), the top of each positioning frame (61) is provided with a first positioning component for clamping the pedal arm of the brake pedal (5), the two ends of each first positioning component are respectively provided with a centering component for centering the pedal arm of the brake pedal (5), one end bottom of each positioning frame (61) is fixedly provided with a connecting seat (65), one end of each connecting seat (65) is fixedly provided with a pedal supporting seat (64) for supporting the pedal body of the brake pedal (5), and each pedal supporting seat (64) is provided with a second positioning component for clamping the pedal body of the brake pedal (5); The first positioning component comprises an electric push rod (62) fixedly arranged in the middle of the top of the positioning frame (61), an extrusion seat (67) is fixedly arranged at the piston end of the electric push rod (62), and a protection pad is arranged at the bottom of the extrusion seat (67); The centering assembly comprises guide openings (615) formed in the tops of two sides of the positioning frame (61), the inner walls of the guide openings (615) are respectively inserted with an L-shaped transverse moving seat (63), one side of the L-shaped transverse moving seat (63) is attached to two sides of the extrusion seat (67) and is respectively provided with an inclined surface, traction grooves (622) are formed in the inclined surfaces of the L-shaped transverse moving seat (63), second guide blocks (621) inserted in the traction grooves (622) are respectively arranged at the inclined surfaces of two sides of the extrusion seat (67), guide holes (616) are respectively formed in two sides, close to the middle, of the positioning frame (61), movable barrels (66) inserted in the guide holes (616) are respectively fixed at the bottoms of the L-shaped transverse moving seats (63), centering clamping seats (618) are respectively inserted in the inner walls of the movable barrels (66), and first springs (620) are fixedly arranged on the outer walls of one ends of the centering clamping seats (618) and the inner walls of one ends of the movable barrels (66); The specification of the pedal arm supporting seat (68) is matched with the bottom specification of the pedal arm of the brake pedal (5), the top of the pedal arm supporting seat (68) is rotationally connected with sliding rollers (614) which are distributed at equal intervals, the sliding rollers (614) are attached to the bottom of the pedal arm of the brake pedal (5), the specification of the protection pad is matched with the top specification of the pedal arm of the brake pedal (5), the protection pad is attached to the top of the pedal arm of the brake pedal (5), balls (619) which are distributed at equal intervals are arranged at the other end of the centering clamping seat (618) in a rolling mode, and the balls (619) are attached to two sides of the pedal arm of the brake pedal (5); The top surface of the pedal support seat (64) is matched with the bottom surface of the pedal body of the brake pedal (5), the second positioning component comprises a communication hole (626) formed in the pedal support seat (64) and the connecting seat (65), a top groove (623) is formed in the top end of the communication hole (626), a sealing ring (624) is arranged on the inner wall of the top groove (623), a flow equalizing disc (625) is arranged in the middle of the inner wall of the top groove (623), a through hole is formed in one end of the communication hole (626), a pull rod (613) is inserted into the inner wall of the through hole and the inner wall of the communication hole (626), a movable disc is fixed at one end of the pull rod (613), a piston sleeve (627) attached to the inner wall of the communication hole (626) is fixedly arranged on the outer wall of the movable disc, and a second spring (628) is fixedly arranged on one end of the movable disc and one end of the inner wall of the communication hole (626); The pedal arm support seat is characterized in that a linkage mechanism is arranged between the second positioning assembly and the first positioning assembly, the linkage mechanism comprises guide grooves (617) formed in two sides of the pedal arm support seat (68) and two sides of the bottom of the positioning frame (61), guide racks (69) penetrating through the guide grooves (617) are fixedly arranged on two sides of the extrusion seat (67), long gears (610) are rotatably connected to the inner walls, close to the bottom, of the positioning frame (61) through pin shafts, two sides of the outer walls of the long gears (610) are meshed with the two guide racks (69), a first guide block (612) is fixedly arranged at the bottom of the positioning frame (61), a rack seat (611) is slidably arranged on the first guide block (612), the rack seat (611) is meshed with the middle of the long gears (610), and one end of the rack seat (611) is fixedly connected with the other end of the drawing rod (613).
2. 2. The brake pedal robot welding fixture according to claim 1, wherein the rotating mechanism comprises a toothed ring (16) fixedly installed at the bottom of the annular rotary table (3), the outer wall of the toothed ring (16) is rotatably connected with the inner wall of the annular supporting frame (2) through a bearing, a driving gear (15) is meshed with one side of the inner wall of the toothed ring (16), and a motor (14) for driving the driving gear (15) to rotate is fixedly installed on the inner wall of the top of the chassis (1).
3. 3. The brake pedal robot welding fixture according to claim 2, wherein the station frame (8) comprises a center frame (81) fixedly installed in the middle of the top of the annular turntable (3), and partition plates (82) which are distributed in an annular shape and equidistant are fixedly installed on the surface of the center frame (81) and the top of the annular turntable (3).
4. 4. The brake pedal robot welding fixture according to claim 1, wherein the waste discharging assembly comprises a central hole formed in the middle of the top of the chassis (1), a material collecting barrel (13) is fixedly mounted on the inner wall of the central hole and the bottom of the chassis (1), a waste discharging pipe (4) extending out of the chassis (1) is fixedly mounted on the bottom of the material collecting barrel (13), a valve is mounted at one end of the waste discharging pipe (4), waste discharging ports (9) are formed in the other side of the middle of the bottom of each station area, waste discharging grooves (17) are formed in the bottoms of the waste discharging ports (9) and the bottom of the annular rotary table (3), a drop preventing net (10) is fixedly mounted on the inner wall of the waste discharging ports (9), a discharging pipe (18) is fixedly mounted on the bottom of the waste discharging grooves (17), and the discharging pipe (18) is located above the material collecting barrel (13).
5. 5. The brake pedal robot welding fixture according to claim 4, wherein a supporting frame (12) is fixedly installed at the top of the inner wall of the aggregate barrel (13), a mounting frame (11) penetrating through a center hole and the middle of the annular rotary table (3) is fixedly installed at the middle of the top of the supporting frame (12), and the welding robot (7) is fixedly installed at the top of the mounting frame (11).

Description

Brake pedal robot welding fixture Technical Field The invention relates to the technical field of welding, in particular to a brake pedal robot welding tool. Background Brake pedals are important devices in the vehicle cabin for controlling a braking system, primarily to slow down or stop the vehicle. The brake pedal generally comprises a pedal body and a pedal arm, and is required to be welded during the processing of the brake pedal, and the pedal is required to be clamped during the welding processing, so that a corresponding welding tool is required to be used. For example, chinese patent publication No. CN102935566B discloses an automobile pedal welding fixture, which comprises a fixture bottom plate, wherein the welding fixture is provided with an adjusting block and an adjusting gasket, the adjusting block is provided with a connecting bolt hole and a positioning pin hole, and the adjusting gasket is provided with a slot corresponding to the positions of the connecting bolt hole and the positioning pin hole. By adopting the technical scheme, the clamp can be quickly adjusted according to the on-site welding condition, standardization can be realized, the welding clamp is suitable for production and manufacture of various welding clamps of the same type, the material consumption is low, the raw material cost is saved, the welding quality of products is improved, the maintenance is convenient, the interchangeability is good, the appearance is attractive, and the appearance is more attractive. And above-mentioned automobile pedal welding jig is when in actual use, often be difficult to accurate positioning pedal arm and pedal body's relative position, lead to welding deviation, influence brake pedal's performance, promptly in the welding process, can not fix a position brake pedal's pedal arm and pedal body on same welding frock, need adjust anchor clamps and realize both butt joints, moreover, also can't fix a position pedal arm and pedal body simultaneously, make the commonality of whole welding frock relatively poor, be difficult to adapt to quick welding demand, make equipment's change and debugging time long, manufacturing cost is higher, consequently, need to design a brake pedal robot welding frock to solve above-mentioned problem. Disclosure of Invention Aiming at the defects of the prior art, the invention provides the welding tool for the brake pedal robot, which positions the pedal arm and the pedal body of the brake pedal on the same welding tool, ensures that the positioning actions of the pedal arm and the pedal body are completely synchronous, improves the universality of the whole welding tool, meets the requirement of quick welding, reduces the production cost, obviously improves the welding precision, and solves the technical problems. In order to achieve the purpose, the invention provides the following technical scheme that the brake pedal robot welding tool comprises: The top of the chassis is fixedly provided with an annular supporting frame, the top of the annular supporting frame is movably provided with an annular rotary table, and the chassis and the annular supporting frame are provided with a rotary mechanism for driving the annular rotary table to intermittently rotate; the station frame is fixedly arranged at the top of the annular rotary table and divides the top of the annular rotary table into a plurality of station areas with the same volume; The waste discharge assembly is arranged between the station area and the chassis; every all install location frock in the station district, and location frock includes the locating frame of fixed mounting department one side in the middle of the station district bottom, the inner wall fixed mounting of locating frame has the pedal arm that is used for supporting the brake pedal to prop the seat, and the top of locating frame is provided with the first locating component that is used for centre gripping brake pedal arm, and the both ends of first locating component all are provided with the centering subassembly that is used for centering brake pedal arm, the one end bottom fixed mounting of locating frame has the connecting seat, and the one end fixed mounting of connecting seat has the pedal that is used for supporting the brake pedal body to prop the seat, be provided with the second locating component of centre gripping brake pedal body on the pedal prop the seat, and be provided with link gear between second locating component and the first locating component. Preferably, the rotating mechanism comprises a toothed ring fixedly installed at the bottom of the annular rotary table, the outer wall of the toothed ring is rotationally connected with the inner wall of the annular supporting frame through a bearing, a driving gear is meshed with one side of the inner wall of the toothed ring, and a motor for driving the driving gear to rotate is fixedly installed on the inner wall of the top of the case. Preferably, the station frame