Welding method and welding tool for fuel filler cap of vehicle body

Abstract

The invention aims to provide a welding method and a welding tool for an automobile body oil filling port cover so as to improve the welding convenience and welding quality of the automobile body oil filling port cover. The welding method comprises the following steps of A) overlapping the outer side of the oil filling port cover and a side wall outer plate; b) enabling two electrodes of welding pliers to be contacted with the overlapping position of the oil filling port cover and the side wall outer plate; C) arranging a copper block in a fitting mode on the inner side of the oil filling port cover so as to realize electric connection among the two electrodes of the welding pliers, the overlapping position of the oil filling port cover and the side wall outer plate and the copper block; and D) starting the welding pliers to weld, and taking down the welding pliers and the copper block after welding. The welding tool disclosed by the invention comprises the copper block, and the copper block is connected with an electric-insulation fixing part. According to the welding method and the welding tool disclosed by the invention, the problem that the side wall outer plate and the oil filling port cover are difficult to weld is solved, the working difficulty of staff is improved, the production efficiency and the welding quality are effectively improved, and good practicality is realized.

Description

technical field [0001] The invention belongs to the technical field of automobile welding, and in particular relates to a welding method and a welding tool for a fuel filler cap of a vehicle body. Background technique [0002] During the welding process of the car, because the fuel filler cap of the car is too small, the passage of the welding tongs is blocked on the one hand during the welding process, so that the plate and the welding tongs interfere; on the other hand, at the moment after the welding is completed, The welding tongs collided with the outer panel of the body, which caused the deformation of the outer panel of the side wall, so the welding of the fuel filler cap became a difficult point in the welding process. At present, some companies open holes in the fuel filler cap and use CO 2 Plug welding is used to realize the connection between the fuel filler cap and the side wall outer panel, but this method needs to add a welding machine on the one hand, and at ...

AI Technical Summary

Problems solved by technology

[0002] During the welding process of the car, because the fuel filler cap of the car is too small, the passage of the welding tongs is blocked on the one hand during the welding process, so that the plate and the welding tongs interfere; on the other hand, at the moment after the welding is completed, The welding tongs collided with the outer panel of the body, which caused the deformation of the outer panel of the side wall, so the welding of the fuel filler cap became a difficult point in the welding process

At present, some companies open holes in the fuel filler cap and use CO 2 Plug welding is used to realize the connection between the fuel filler cap and the side wall outer panel, but this method needs to add a welding machine on the one hand, and at the same time CO 2 Weld spatter from plug welding will stick to the side panel, affecting product quality

To sum up, on the one hand, the traditional welding method of the fuel filler cap is laborious, and cannot ensure that the employees can weld easily and freely, which affects the production rhythm; on the other hand, it cannot guarantee the product quality, so a new welding method is urgently needed

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