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CN-121972868-A - Welding equipment and welding method for machining automobile anti-collision beam

CN121972868ACN 121972868 ACN121972868 ACN 121972868ACN-121972868-A

Abstract

The invention relates to the field of welding, in particular to welding equipment and a welding method for processing an automobile anti-collision beam, wherein the welding equipment for processing the automobile anti-collision beam comprises an azimuth changing module, the azimuth changing module comprises an azimuth changing bottom plate, a first sliding plate is connected to the azimuth changing bottom plate in a sliding mode, a second sliding plate is connected to the first sliding plate in a sliding mode, a welding fixed cover is fixedly connected to the upper end of the second sliding plate, a fan is rotatably arranged on the welding fixed cover, a welding swivel is rotatably connected to a welding ventilation pipe, and a welding manipulator for welding is arranged on the welding swivel.

Inventors

  • LEI XINCHUN

Assignees

  • 北京北汽模塑科技有限公司

Dates

Publication Date
20260505
Application Date
20260312

Claims (10)

  1. 1. Welding equipment is used in processing of car anticollision roof beam, characterized by, include: The azimuth changing module (1), the azimuth changing module (1) comprises an azimuth changing bottom plate (11), a first sliding plate (12) is connected to the azimuth changing bottom plate (11) in a sliding mode, a second sliding plate (13) is connected to the first sliding plate (12) in a sliding mode, and the sliding directions of the first sliding plate (12) and the second sliding plate (13) are perpendicular to the sliding directions of the azimuth changing bottom plate (11) and the first sliding plate (12); The welding fixed cover (2) is fixedly arranged at the upper end of the second sliding plate (13); The welding ventilation pipe (3), the welding ventilation pipe (3) is fixedly arranged in the welding fixing cover (2), and a fan is arranged at one end of the welding fixing pipe in a rotating way; Welding swivel (4), welding swivel (4) rotate and connect on welding ventilation pipe (3), install welding manipulator (5) on welding swivel (4), welding manipulator (5) are including first knuckle (51), first knuckle (51) rotate and connect the inboard of welding swivel (4), rotate on first knuckle (51) and be connected with the second knuckle, install welder on second knuckle (52).
  2. 2. The welding equipment for machining an anti-collision beam of an automobile according to claim 1, wherein the welding ventilation pipe (3) comprises a first ventilation section (31), a second ventilation section (32), a third ventilation section (33) and a connecting section (34), the welding swivel (4) is rotationally connected inside the first ventilation section (31), the second ventilation section (32) is positioned between the first ventilation section (31) and the third ventilation section (33), the diameter of the second ventilation section (32) is smaller than that of the first ventilation section (31) and the third ventilation section (33), the first ventilation section (31) and the third ventilation section (33) are connected with the second ventilation section (32) through the connecting section (34), the second rotation section (52) is fixedly provided with a cooling air pipe (521) at a position corresponding to a welding gun, the connecting section (34) fixedly connected with the first ventilation section (31) is provided with an air inlet mechanism (6), and the air inlet mechanism (6) is connected with the cooling air pipe (521) through an air conveying pipe (61).
  3. 3. The welding equipment for machining an anti-collision beam of an automobile according to claim 2, wherein the air inlet mechanism (6) comprises an air inlet cover plate (62) and an air gathering cover (63), an air inlet notch (341) is formed in a connecting section (34) fixedly connected with the first ventilating pipe, the air inlet cover plate (62) is fixedly connected with the connecting section (34) corresponding to the air inlet notch (341), the air inlet cover plate (62) is inclined towards the central axis of the welding ventilating pipe (3), the air gathering cover (63) is arranged between the connecting section (34) fixedly connected with the first ventilating section (31) and the welding fixed cover (2), the air gathering cover (63) covers the air inlet notch (341), the air gathering cover (63) is integrally in a contracted shape, the cross section area of the air gathering cover (63) gradually decreases along with the increase of the distance from the air inlet notch (341), and one end with a smaller cross section of the air gathering cover (63) is connected with the cooling air pipe (521) through an air conveying pipe (61).
  4. 4. A welding device for machining an anti-collision beam of an automobile according to any one of claims 1 to 3, characterized in that a welding seam processing device (7) is arranged on the second rotating joint (52), the welding seam processing device (7) comprises a deflection connecting plate (71), the deflection connecting plate (71) is rotationally connected with the second rotating joint (52), a torsion spring is arranged between the deflection connecting plate (71) and the second rotating joint (52), a polishing motor (72) is integrated in the deflection connecting plate (71), and a polishing head (721) is fixedly connected with the tail end of an output shaft of the polishing motor (72).
  5. 5. The welding equipment for machining an automobile anti-collision beam according to claim 4, wherein a dust collection box (711) is fixedly connected to the deflection connecting plate (71), a negative pressure suction port (35) is formed in the position of the second ventilation section (32) of the welding ventilation pipe (3), a negative pressure suction cover (321) is arranged between the second ventilation section (32) and the welding fixing cover (2), the negative pressure suction port (35) is covered by the negative pressure suction cover (321), and the negative pressure suction cover (321) is connected with the dust collection box (711) through a dust collection pipe (322).
  6. 6. The welding equipment for machining an anti-collision beam of an automobile according to claim 5, wherein the middle part of the dust collection pipe (322) penetrates through the dust collection box (8), the part of the dust collection pipe (8) located in the dust collection box (8) is a hard pipe, the dust collection box (8) is fixedly installed on the side wall of the welding fixing cover (2), the part of the dust collection pipe (322) located in the dust collection box (8) is bent, and the dust collection pipe (322) located at the bent part is machined into a porous structure.
  7. 7. The welding equipment for machining an automobile anti-collision beam according to claim 6, wherein a dust collecting plate (81) is fixedly installed on the side surface of the dust collecting box (8), the dust collecting plate (81) comprises a fixing layer (811), an attracting layer (812) and an isolating layer (813), the fixing layer (811) is fixedly installed on the dust collecting box (8) through bolts, the attracting layer (812) is made of a magnetic material, the isolating layer (813) is magnetically attached to the attracting layer (812), and the isolating layer (813) is not provided with magnetism.
  8. 8. A welding device for processing an automobile anti-collision beam according to claim 3, wherein the welding ventilation pipe (3) is fixedly provided with a filter layer (9) at a position close to a fan, and the filter layer (9) contains activated carbon and molecular sieve for absorbing welding exhaust gas.
  9. 9. The welding device for machining an automobile anti-collision beam according to claim 8, wherein the filter layer (9) is provided with a through groove which is obliquely bent.
  10. 10. A method for processing and welding an automobile anti-collision beam, which is suitable for the welding device for processing the automobile anti-collision beam according to any one of claims 1 to 9, and comprises the following steps of; S1, horizontally placing an anti-collision beam through a clamp or a mechanical arm, and then fixedly installing a hydraulic push rod between a first sliding plate (12) and an azimuth changing bottom plate (11), and installing the hydraulic push rod between a second sliding plate (13) and a second sliding plate (13), so as to push the sliding of the first sliding plate (12) and the second sliding plate (13) to enable an energy absorption box to be arranged in the middle of a welding ventilation pipe (3); S2, driving a welding gun to weld the joint between the energy-absorbing box and the main beam of the anti-collision beam through a welding manipulator (5), driving the welding manipulator (5) to circumferentially move around the energy-absorbing box through a welding swivel (4), and always positioning the welding gun at the contact position of the energy-absorbing box and the main beam of the anti-collision beam through adjusting the rotation of a servo motor to weld the anti-collision beam and the energy-absorbing box; And S3, a directional air duct is formed in the welding ventilation pipe (3) through rotation of the fan, so that smoke dust is sucked away from the welding ventilation pipe (3), and the welding ventilation pipe (3) discharges gas outdoors through a hose connection mode.

Description

Welding equipment and welding method for machining automobile anti-collision beam Technical Field The invention relates to the field of welding, in particular to welding equipment and a welding method for processing an automobile anti-collision beam. Background An automobile anti-collision beam is a device for reducing the loss of a vehicle when the vehicle is collided, and when the automobile anti-collision beam works, the impact force is transmitted to a rear connecting part, so that the longitudinal beam and a passenger cabin bear main forces. During the partial overlapped front collision, the front anti-collision beam can transmit the impact received by the collision side to the front longitudinal beam at the non-collision side, and a transmission path is provided for the dispersion and absorption of collision energy, so that the damage of a main body of a vehicle body caused by collision is reduced, and the safety of drivers and passengers is improved. The anti-collision beam is composed of a main beam, an energy absorption box and a mounting plate connected with the automobile, and the anti-collision beam mainly comprises two kinds of steel anti-collision beams and aluminum alloy anti-collision beams, wherein the steel anti-collision beams are mainly connected in a welding mode in the process of connecting the main beam and the energy absorption box. The existing welding mode is mainly divided into two modes, one mode is to adopt manual welding, the other mode is to adopt an industrial robot to weld, waste gas can be generated in the welding process, the harm to the body of a person can be caused when manual welding is adopted, the existing robot has a large size when the main shaft and the energy absorption box of the steel anti-collision beam are welded, meanwhile, the clamp for installing the anti-collision beam is required to be processed into a movable state according to the change of a welding angle, so that the cost is high, meanwhile, because of the requirement of environmental protection, an exhaust device is required to be installed on a welding work site, and therefore the waste gas generated in the welding process can not be retained on the welding site, but can still be discharged after being diffused in the site, and the harm can still be caused to the bodies of workers, including welding personnel or inspection personnel and the like. Disclosure of Invention The invention provides welding equipment for processing an automobile anti-collision beam, which can solve the problem that the exhaust gas cannot be effectively prevented from being diffused in the air at a welding position in the prior art in a welding mode. Welding equipment for automobile anti-collision beam processing, including: The azimuth changing module comprises an azimuth changing bottom plate, a first sliding plate is connected to the azimuth changing bottom plate in a sliding mode, a second sliding plate is connected to the first sliding plate in a sliding mode, and the sliding direction of the first sliding plate and the sliding direction of the second sliding plate are perpendicular to the sliding direction of the azimuth changing bottom plate and the sliding direction of the first sliding plate. The welding fixed cover is fixedly arranged at the upper end of the second sliding plate; the welding ventilation pipe is fixedly arranged in the welding fixing cover, and a fan is arranged at one end of the welding fixing pipe in a rotating way; the welding swivel, welding swivel rotates the one end of connecting welding ventilation pipe and not installing the fan, install welding manipulator on the welding swivel, welding manipulator includes first revolute joint and second revolute joint, first revolute joint passes through servo motor and drives to rotate and connect the inboard of welding swivel, first revolute joint and second revolute joint rotate and connect and drive through servo motor, install welder on the second revolute joint. In the welding process, firstly, a plurality of points on the energy-absorbing box and the anti-collision beam are welded in a manual electric welding mode, then the energy-absorbing box and the anti-collision beam are fixedly connected together, the anti-collision beam is horizontally placed through a clamp or a manipulator, then a hydraulic push rod is fixedly installed between a first sliding plate and a direction change bottom plate, and a hydraulic push rod is installed between a second sliding plate and a second sliding plate, so that the first sliding plate and the second sliding plate are pushed to slide, the energy-absorbing box is placed in the middle of a welding ventilation pipe, then a welding gun is driven by the welding manipulator to weld the joint between the energy-absorbing box and the anti-collision beam, in the process, the welding manipulator is driven by a welding swivel to do circumferential movement around the energy-absorbing box, the welding manipulator is driven