Tin immersion tool

The utility model relates to the technical field of tin immersion tools, in particular to a tin immersion tool, and solves the problem that the processing efficiency of the tin immersion tool is influenced due to the fact that manual tin immersion is very strict in the prior art. The tin immersion tool comprises a tin melting furnace, the top of the tin melting furnace is provided with a tin bath, and the top of the tin melting furnace is fixedly provided with a U-shaped frame with a downward opening. According to the utility model, the movable plate which vertically moves up and down in a limiting manner is arranged above the tin bath, the four vertical plates which are respectively used for clamping the circuit board are arranged below the movable plate, and the limiting racks enable the circuit board to be stably clamped between two upward adjacent limiting racks on the same horizontal line, so that the stability of downward tin immersion of the circuit board is ensured; in the process that the movable pla