Quick disassembling structure of roller of roller press

The utility model relates to a quick disassembling structure of a roller of a roller press. The quick disassembling structure comprises the roller and a speed reducer hollow shaft, and is characterized in that the speed reducer hollow shaft is coaxially connected with a quick disassembling flange shaft through a locking plate; the quick disassembling flange shaft is provided with a flange part and is directly connected with one end of the roller; a depression seam allowance is formed in one end, connected with the roller, of the quick disassembling flange shaft; the inner wall of the depression seam allowance is matched with the outer circumferential surface of the roller; a first keyway is also formed in the central part of the depression seam allowance; a second keyway which corresponds to the first keyway in position is also formed in the end surface of the roller; a connecting key is arranged between the first keyway and the second keyway; a plurality of first through holes are also formed in the bottom s