Photosensitive seal with secondary oil separation function

The utility model discloses a photosensitive seal with a secondary oil separation function. The seal comprises a seal shell with a shell cavity formed in the bottom, a handle is arranged at the top ofthe seal shell, a printing pad base is installed in the shell cavity of the seal shell, a printing pad cavity is formed in the bottom of the printing pad base, a shell cover is installed at the lowerend of the printing pad base, and a plurality of vertically-through oil injection holes communicated with the printing pad cavity are evenly distributed in the top of the printing pad base; a layer of oil absorption sponge, a layer of oil distribution plate and a photosensitive pad are sequentially arranged in the printing pad cavity from top to bottom; the lower end of the photosensitive pad extends out of the printing pad cavity, vertically-through oil distribution holes are densely distributed in the oil distribution plate, the photosensitive pad can move upwards in the printing pad cavityunder the jacking force fr