The invention discloses a chamfering tool for research and development of optical parts, which comprises a main frame body, a motor, a support rod, a lower tray, a lens, an upper tray, a final shaft, a threaded flange, a grinding device and a shaft coupling. There are two sets of bottom grooves on the horizontal part of the lower end of the frame body, frame holes, motor holes and motor shaft holes are opened on the horizontal part of the middle part of the main frame body, and two groups of horizontal grooves bent on the side wall of the main frame body There are eccentric shaft holes on some parts, frame holes, flange holes and flange threaded holes are opened on the horizontal surface of the upper end of the main frame body, and the motor passes through the motor hole through the screw to enter the inside of the threaded hole above it and The main frame body is fixed, the output shaft of the motor passes through the motor shaft hole of the main frame body, a coupling is fixed on the output shaft of the motor through screws, and the upper end of the coupling is sleeved on the lower side of the lower tray on the axial structure. The chamfering cutter used for research and development of optical parts can quickly chamfer optical lenses and is suitable for general promotion and use.