Kettle filter disc traceless butt-welding device

The utility model relates to a traceless butt-welding device for a kettle filter disc, which comprises a mounting seat and a welding gun, a clamp capable of clamping a kettle body is arranged on the mounting seat, a spout is arranged on the kettle body, and the filter disc is arranged on one side, close to the spout, in the kettle body, and is technically characterized in that a copper seat is arranged on the mounting seat, at least one silver sheet is arranged on the copper seat, and the outer side of the spout is close to the silver sheet. The end, stretching into the kettle body, of the welding gun is provided with a welding needle which can abut against the filter edge portion to enable the filter disc to enable the spout to be tightly attached to the silver piece, the copper base and the welding gun are connected to the two poles of a power source respectively, the welding needle abuts against the filter disc, and after the welding needle is powered on, current generates high temperature to melt the filt