End sealing structure of submerged roller in coating tank of surface post-treatment machine

The utility model provides a submerged roller end sealing structure in a plating tank of a surface post-processor, and belongs to the technical field of copper foil production equipment. Comprising a plating tank body and an under-liquid roller, the left side face of the plating tank body is fixedly connected with a shaft installation supporting frame, the under-liquid roller transversely penetrates through the plating tank body and the shaft installation supporting frame, and the attaching face of the shaft installation supporting frame and the plating tank body is sealed through a sealing gasket; sealing plates are clamped between the shaft mounting support frame and the attaching surface of the plating tank body and on the periphery close to the submerged roller, and the shaft mounting support frame and the attaching surface of the sealing plate are sealed through a sealing ring I; the submerged roller and an inner hole of the shaft installation supporting frame are sealed through a framework oil seal whic