Soldering tin treatment system of wasted printed circuit board

The utility model relates to the technical field of electric and electronic product waste treatment, and discloses a soldering tin treatment system of a wasted printed circuit board. The system comprises a plurality of work tanks, rails and a bearing device, wherein the work tanks are distributed in a row and used for containing soldering tin treatment solutions of the wasted printed circuit board, the rails are located above the work tanks and distributed in the distribution direction of the work tanks, the bearing device comprises a support and a clamping mechanism used for clamping the wasted printed circuit board, the support is arranged on the rails in a sliding mode, and the clamping mechanism is arranged on the support in a sliding mode and can slide in the height direction relative to the support or in the horizontal direction vertical to the rails. The soldering tin treatment system has the advantages that by means of the bearing device, work efficiency of treatment of the wasted printed circuit boar