Coating device for optical lens

The invention discloses a coating device for an optical lens, which belongs to the technical field of lens processing and comprises a base, a shell and a coating machine, the coating machine is movably mounted at the top of an inner cavity of the shell through a hydraulic push rod, guide grooves are formed in the two sides of the inner wall of the base, the inner walls of the guide grooves are slidably connected with a mounting frame, and an assembling frame used for assembling a lens is arranged in the mounting frame and rotationally connected with the mounting frame through a connecting frame. Positioning assemblies for fixing the lenses are arranged on the two sides of the assembling frame, and clamping arc plates of the positioning assemblies are movably connected with the assembling frame; the inner wall of the shell is connected with a fan for blowing dust on the lens; according to the lens coating device, a lens can be conveniently positioned, the condition that the lens deviates in the coating process