Automobile steering column laser automatic welding fixture

Abstract

The invention discloses an automatic laser welding fixture for an automobile steering column. The automatic laser welding fixture comprises a mounting base, a pipe positioning mechanism and a stamping piece clamping and pushing mechanism, wherein the pipe positioning mechanism comprises a pipe supporting seat, a pipe pressure head, a rolling stopper and a downward pressing driving mechanism; the downward pressing driving mechanism clamps and positions a steering column pipe between the pipe pressure head and the pipe supporting seat; the stamping piece clamping and pushing mechanism comprises a stamping piece fixing block, upper and lower clamping jaw mechanisms and a pushing mechanism; a stamping piece is positioned on the stamping piece fixing block; the upper and lower clamping jaw mechanisms can compress the upper and lower ends of the stamping piece onto the stamping piece fixing block; the pushing mechanism can push the stamping piece fixing block to a specific position, so as to enable the stamping piece to be close to one side of a steering column pipe. The automatic laser welding fixture has a mistake proofing function, can prevent neglected mounting of parts, can automatically accomplish the butt joint and compressing of the steering column pipe and the stamping piece, guarantees the part assembly accuracy, meets laser welding requirements on high quality and high efficiency, improves the labor productivity, and reduces the production cost.

Description

technical field [0001] The invention relates to a welding jig, in particular to a laser automatic welding jig for an automobile steering column. Background technique [0002] The steering column is the component of the automobile steering system that connects the steering wheel and the steering gear. There are stamping parts welded outside the steering column tube. The structure of the stamping part welded to the steering column tube is: the stamping part has several stamping feet, and the steering column pipe has corresponding stamping feet. The socket of the stamping part, the stamping foot of the stamping part is inserted into the steering column pipe and welded together. The traditional welding method of automobile steering column is MAG welding; but with the development of automobile manufacturing industry, customers have higher and higher requirements for steering column welding parts. The shortcomings of traditional welding such as large welding deformation, large we...

AI Technical Summary

Problems solved by technology

The shortcomings of traditional welding such as large welding deformation, large weld seam, and slow welding speed are gradually exposed

Laser welding has technical advantages such as fast welding speed, small welding deformation, material self-melting, and weld seam control within 1mm. However, laser welding has high requirements for fixture design and the matching accuracy of steering column pipes and stamping parts. The requirements are very high, and whether the fixture structure design is reasonable directly affects the product quality

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