Trimming device capable of automatically removing trimming waste

The utility model discloses an edge cutting device capable of automatically removing edge cutting waste. The edge cutting device comprises a movable die and a fixed die. A movable cutter is arranged at one end of the movable mold; a fixed cutter corresponding to the movable cutter is arranged at one end of the fixed mold; a cutting hole into which the movable cutter extends is formed in the fixed cutter; a supporting seat for supporting a product is arranged in the cutting hole in the fixed mold; a positioning through hole for inserting the eccentric screw is formed in the fixed mold; an ejection hole which is coaxial with the positioning through hole and is communicated with the positioning through hole is formed in the fixed mold; an ejector rod is connected in the ejection hole in a sliding manner; the movable cutter is movably sleeved with a discharging mechanism. The discharging mechanism is movably arranged on the movable cutter, edge cutting waste materials arranged on the movable cutter in a sleeving