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CN-121988951-A - Welding equipment and method for air suspension bracket assembly

CN121988951ACN 121988951 ACN121988951 ACN 121988951ACN-121988951-A

Abstract

The invention discloses an air suspension bracket assembly welding device and method, comprising a frame, a speed reduction turnover machine arranged on one side of the inside of the frame and a side table arranged on the driving end of the speed reduction turnover machine, wherein a transverse frame is fixed on the outer wall of one side of the side table far away from the speed reduction turnover machine, an upper station and a lower station which are distributed in a mirror symmetry manner are arranged on the transverse frame, a bearing table is arranged at each of the upper station and the lower station, two V-shaped fixing clamps are arranged on the outer wall of one side of the side table close to the bearing table, and the V-shaped fixing clamps are used for accommodating and positioning a sleeve at one end of an H-shaped lower swing arm. The invention adopts the double-layer bearing table with mirror symmetry up and down, cooperates with the V-shaped fixed clamp, the V-shaped hydraulic pushing clamp and the radial pushing hydraulic clamp to carry out double-side synchronous clamping, and realizes the welding scheme design of station exchange through the speed reduction turnover machine, thereby solving the problems that the traditional single-station welding needs to be stopped and turned over and the processing period of a single product is long.

Inventors

  • SU CHENGYU
  • WANG JUAN
  • WU YUMIN
  • ZHAN SHAOTAN
  • BI SHUFENG

Assignees

  • 广州信强汽车配件有限公司

Dates

Publication Date
20260508
Application Date
20260317

Claims (10)

  1. 1. The welding equipment for the air suspension bracket assembly comprises a frame (1), a speed reduction turnover machine (2) arranged on one side of the inside of the frame (1) and a side table (3) arranged on the driving end of the speed reduction turnover machine (2), and is characterized in that a transverse frame (4) is fixed on the outer wall of one side of the side table (3) far away from the speed reduction turnover machine (2), an upper station and a lower station which are distributed in a mirror symmetry mode are arranged on the transverse frame (4), a bearing table (8) is arranged at the upper station and the lower station, two V-shaped estimation clamps (5) are arranged on the outer wall of one side of the side table (3) close to the bearing table (8), two V-shaped hydraulic pushing clamps (6) are arranged on the top of the transverse frame (4) on one side of the side table (8) far away from the side table (3), two V-shaped hydraulic pushing clamps (6) are telescopic along the length direction of the H-shaped lower side table, a barrel sleeve for pushing and clamping the other end of the H-shaped lower swing arm is arranged on the side table (8), two V-shaped estimation clamps (10) are arranged on the outer wall of one side of the two V-shaped estimation clamps (8), two side pushing clamps (10) are arranged on the outer wall of the two side of the swing arm (8) and are arranged on the side of the side table (8), the welding machine is characterized in that a screw rod linear module (7) is arranged on the other side of the top end of the frame (1), a welding mechanical arm (12) is arranged at the moving end of the screw rod linear module (7), and a control box (11) electrically connected with the speed reduction turnover machine (2), the V-shaped hydraulic pushing clamp (6), the screw rod linear module (7), the first radial pushing hydraulic clamp (9), the second radial pushing hydraulic clamp (10) and the welding mechanical arm (12) is arranged on the outer wall of one side of the speed reduction turnover machine (2).
  2. 2. The welding equipment for the air suspension bracket assembly according to claim 1, wherein the speed reduction turnover machine (2) comprises a chassis (25) arranged on one side of the inside of the frame (1), a hollow turntable (22) rotatably arranged on one side outer wall of the chassis (25) through a bearing, and a speed reduction motor (21) arranged inside the chassis (25), a gear (24) is fixed on an output shaft of the speed reduction motor (21), an outer gear ring (23) is fixed on the outer peripheral surface of the hollow turntable (22), the outer gear ring (23) and the gear (24) are meshed, and the side table (3) is fixed on one side outer wall of the hollow turntable (22).
  3. 3. The welding equipment for the air suspension bracket assembly is characterized in that the V-shaped fixing clamp (5) comprises a T-shaped table which is mounted on the outer wall of one side of the side table (3) in a bolting mode, a V-shaped slot which is arranged at one end of the T-shaped table close to the bearing table (8) and steel seats which are mounted at the top and the bottom of the V-shaped slot in a bolting mode respectively.
  4. 4. The welding equipment for the air suspension bracket assembly according to claim 3, wherein the V-shaped hydraulic pushing clamp (6) comprises a raised character seat (61), an oil cylinder I (62) and a V-shaped seat (63), the raised character seat (61) is fixed at the top end of the transverse frame (4), the oil cylinder I (62) is fixed in the raised character seat (61), a piston rod of the oil cylinder I (62) faces the V-shaped fixed clamp (5), and the V-shaped seat (63) is fixed on the end part of the piston rod of the oil cylinder I (62).
  5. 5. The welding equipment for the air suspension bracket assembly according to claim 1, wherein the bearing table (8) comprises two outer cross arms (85) fixed at the top end of the transverse frame (4), a longitudinal beam (81) integrally formed upwards at the same end of the two outer cross arms (85) and a T-shaped platform (83) integrally formed on the outer wall of one side of the longitudinal beam (81) close to the V-shaped fixing clamp (5), and a sinking groove (82) is formed in the upper surface of the longitudinal beam (81).
  6. 6. The welding equipment for the air suspension bracket assembly according to claim 5, wherein the outer wall of one side of the longitudinal beam (81) far away from the outer transverse arm (85) is integrally formed with two inner transverse arms (86) in mirror symmetry structures, and the radial pushing hydraulic clamp II (10) and the radial pushing hydraulic clamp I (9) have the same structure composition and are respectively arranged on the outer transverse arm (85) and the inner transverse arm (86).
  7. 7. The welding equipment for the air suspension bracket assembly is characterized in that the radial pushing hydraulic clamp II (10) comprises an oil hydraulic cylinder II (1001) arranged in the outer cross arm (85), a cross-shaped external threaded rod (1002) with a fixed piston rod end part of the oil hydraulic cylinder II (1001) and a pressing rod (1003) sleeved on the cross-shaped external threaded rod (1002), a nut (1005) is screwed at the end part of the cross-shaped external threaded rod (1002), and the nut (1005) is used for propping the pressing rod (1003) after screwing.
  8. 8. The welding equipment for the air suspension bracket assembly according to claim 7, wherein a top disc (1004) is detachably arranged on the outer wall of one side, close to the T-shaped platform (83), of the pressing rod (1003).
  9. 9. The welding equipment for an air suspension bracket assembly according to claim 8, wherein a blocking seat (84) is integrally formed on two sides of the top end of the T-shaped platform (83), and the blocking seat (84) is opposite to the top disc (1004).
  10. 10. A method of welding an air suspension bracket assembly using the welding apparatus of any one of claims 1-9, comprising the steps of: S101, lifting a first H-shaped lower swing arm to be processed to a station above a transverse frame (4), guiding one end of the H-shaped lower swing arm, putting two cylinder sleeves at the end into a V-shaped fixed clamp (5), limiting the horizontal and vertical movement freedom degrees of a workpiece by the V-shaped fixed clamp (5), operating a control box (11), starting two V-shaped hydraulic pushing clamps (6) at the upper station, and applying a stable and controllable clamping force by the V-shaped hydraulic pushing clamps (6) through preset hydraulic pressure to firmly push the workpiece on the V-shaped fixed clamp (5) along the length direction; s102, after preliminary fixing of two ends is completed, sequentially operating a pair of first radial pushing hydraulic clamps (9) and a pair of second radial pushing hydraulic clamps (10) which are positioned on the left outer wall and the right outer wall of a bearing table (8), horizontally extending the first radial pushing hydraulic clamps (9) and the second radial pushing hydraulic clamps (10) from the lateral direction, supporting corresponding cylinder sleeves of an H-shaped lower swing arm, continuously centering and correcting a workpiece, finishing clamping a first workpiece at an upper station, and loading and fixing a second H-shaped lower swing arm by workers; S103, after the H-shaped lower swing arms of the upper station and the lower station are fixed, a worker presses a start button on a control box (11), a screw rod linear module (7) and a welding mechanical arm (12) start to operate, a welding gun moves to the upper station, a first surface is welded at the joint of sleeves at the two ends of the first H-shaped lower swing arm, and welding of all reinforcing welding seams is completed according to a preset program; S104, after the welding of the first surface of the H-shaped lower swing arm of the upper station is finished, the screw rod linear module (7) and the welding mechanical arm (12) automatically return to the waiting machine position and send a finishing signal to the control box (11), the speed-reducing turnover machine (2) drives the whole transverse frame (4) to rotate one hundred eighty degrees around the central shaft, the workpiece which is originally positioned on the upper welded first surface is transferred to the lower part, the unwelded workpiece which is originally positioned on the lower part is lifted to the upper part, after the transverse frame (4) is stopped, the screw rod linear module (7) and the welding mechanical arm (12) immediately start to weld the first surface of the H-shaped lower swing arm of the second part positioned on the upper station, and a worker can enter a working area to process the H-shaped lower swing arm of the first part which is turned to the lower part and just finished welding the first surface; S105, releasing the lower V-shaped hydraulic pushing clamp (6) and the first radial pushing hydraulic clamp (9) and the second radial pushing hydraulic clamp (10) through the control box (11), unlocking the workpiece from the clamping state, manually turning the H-shaped lower swing arm to enable the other face which is not welded to be upward, then operating the control box (11) again, repositioning and clamping the workpiece through the lower V-shaped hydraulic pushing clamp (6) and the first radial pushing hydraulic clamp (9) and the second radial pushing hydraulic clamp (10), preparing for subsequent welding of the second face, starting the speed-reducing turnover machine (2) again after the welding mechanical arm (12) finishes welding the first face of the upper Fang Gongwei second H arm, shifting the upper station and the lower station, turning the turnover and clamping the first H arm again to the upper side, and welding the second face of the mechanical arm.

Description

Welding equipment and method for air suspension bracket assembly Technical Field The invention relates to the technical field of suspension welding, in particular to an air suspension bracket assembly welding device and method. Background The air suspension bracket assembly mainly comprises an air spring, a shock absorber, a lower swing arm, an upper control arm, a stabilizer bar, a hub bearing seat and other parts, wherein the lower swing arm is used as the thickest and firm core member in the air suspension bracket system, is A-shaped or H-shaped, bears most of lateral force and longitudinal force generated in the running process of a vehicle, effectively transmits the complex loads to a subframe and a vehicle body, provides a stable mounting platform for the air spring, and ensures that an air bag always works perpendicular to the ground to prevent eccentric wear; For the H-shaped lower swing arm, a high-strength aluminum alloy is generally manufactured through an integral hollow casting or forging process, rubber or hydraulic bushings are pressed at the joints of the two ends of the arm body and the auxiliary frame to filter high-frequency vibration, the outer end head is connected with a hub bearing seat through a ball hinge which rotates universally so as to adapt to suspension movement, in the manufacturing process of the H-shaped lower swing arm, in order to strengthen the structural strength of the joints of the cylinder sleeves at the two ends of the H-shaped lower swing arm, the auxiliary frame and the hub bearing seat, welding seams are generally required to be additionally arranged to form a reinforcing area, at the moment, manual welding or mechanical arm tracking welding is generally completed, the existing welding equipment in the process is mostly arranged by a single-station tool, namely only one workpiece can be clamped at one time, and one-face welding operation is completed, after the welding of the first face is completed, the whole production flow is interrupted, the mechanical arm or the welder is in an idle waiting state, and the workpiece is required to undergo a series of complicated steps such as release from a clamping state, manual or mechanical auxiliary overturning, re-clamping, secondary alignment positioning and the like, so that the welding period of a single-piece product is greatly prolonged, and the production efficiency is restrained. Disclosure of Invention The invention aims to provide an air suspension bracket assembly welding device and method, two H-shaped lower swing arms with arm end sleeves to be welded are respectively placed on a supporting table at the upper position and the lower position, two sleeves at one end of each H-shaped lower swing arm are positioned in a V-shaped fixed clamp, two sleeves at the other end of each H-shaped lower swing arm are positioned in a V-shaped hydraulic pushing clamp, the V-shaped hydraulic pushing clamp applies acting force to each H-shaped lower swing arm, a pair of radial pushing hydraulic clamps I and a pair of radial pushing hydraulic clamps II on the left outer wall and the right outer wall of the supporting table are used for centering and correcting positions, a welding mechanical arm is used for welding the upper H-shaped lower swing arms after the two H-shaped lower swing arms are fixed, and a speed reduction turnover machine is used for turning over a transverse frame to enable the two H-shaped lower swing arms to be transposed, so that the lower H-shaped swing arms can be released, turned over and repositioned by the clamps at the moment, and the purpose of continuous welding is achieved. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an air suspension bracket assembly welding equipment, includes the frame, installs in the inside one side of frame speed reduction upset machine and installs the side platform on the speed reduction upset machine driving end, be fixed with the crossbearer on the one side outer wall that the side platform kept away from the speed reduction upset machine, be provided with upper and lower station that mirror symmetry distributes on the crossbearer, and go up station and lower station department and all install the bearing platform, install two V type sectional clamp on the one side outer wall that the side platform is close to the bearing platform, V type sectional clamp is used for holding and positioning the barrel casing of swing arm one end under the H type, and two V type hydraulic pushing clamp are installed on the side crossbearer top of one side that the bearing platform kept away from the side platform for the top is fixed with two V type hydraulic pushing clamp along H type lower swing arm length direction, and is used for pushing and pressing down the barrel casing of swing arm other end under the H type, install two diameter pushing hydraulic clamp one on the bearing platform outer wall of t