Splicing and welding clamp for spiral spring seat, transverse swing arm positioning pin and shaft tube assembly and using method of splicing and welding clamp

Abstract

The invention relates to a splicing and welding clamp for a spiral spring seat, a transverse swing arm positioning pin and a shaft tube assembly and a using method of the splicing and welding clamp. The splicing and welding clamp comprises a bottom frame, a bottom plate, a guide rail, U-shaped bodies, a first plug pin, a stop pin, a spiral spring seat, a transverse swing arm positioning pin positioning device, a spiral spring seat positioning device and a T-shaped nut, wherein the bottom plate is fixed on the bottom frame, the guide rail is fixedly connected to the bottom plate through screws, and the first plug pin is installed on the U-shaped bodies; and the stop pin is connected to the U-shaped bodies in an interference fit mode, the U-shaped bodies, the spiral spring seat, the transverse swing arm positioning pin positioning device and the spiral spring seat positioning device are connected with the T-shaped nut through bolts and are installed on the guide rail of a tool platform, and thus, it is ensured that the two U-shaped bodies are coaxial. According to the splicing and welding clamp for the spiral spring seat, the transverse swing arm positioning pin and the shaft tube assembly and the using method of the splicing and welding clamp, the operation is simple, the effect is stable, the size precision and the stability of splicing welding of the spiral spring seat, the transverse swing arm positioning pin and the shaft tube assembly are guaranteed, the product quality is guaranteed, the machining efficiency is greatly improved, and the labor intensity of workers is reduced.

Description

technical field [0001] The invention relates to the technical field of automobile welding fixtures, in particular to a new energy electric vehicle rear axle type coil spring seat, a swing arm positioning pin and a shaft tube assembly assembly welding fixture and a use method thereof. Background technique [0002] The various brackets on the rear axle of new energy electric vehicles are important connecting parts for the rear axle and the frame to bear the weight or balance the stability and safety of the frame, and their assembly size directly affects the various performances of the car. [0003] For example, the application number is 201910831171.1, and the patent name is an invention patent for an assembly and welding fixture for SUV coil spring seat and stabilizer bar bracket assembly, oil pipe bracket assembly and axle housing body assembly, which includes tooling platform, head and tail Seat assembly, coil spring seat positioning device, stabilizer bar bracket assembly ...

AI Technical Summary

Problems solved by technology

The structure of this positioning mechanism is complicated, the manufacturing precision is high, and the cost is high. Generally, this type of positioning mechanism is used on automatic welding fixtures, and it cannot meet the assembly requirements of multiple accessories and shaft tubes.

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