Numerically-controlled machine tool crown type turret power tool rest

The invention provides a numerically-controlled machine tool crown type turret power tool rest which comprises a turret head, a tool shaft, a tool rest base, an oil distribution disc, a gear, a bearing, a coupler, a servo motor, a shaft, an inner toothed ring, a hydraulic cylinder and the like. The numerically-controlled machine tool crown type turret power tool rest well solves the problems existing in former tool rests, is high in sensitivity and concise and reasonable in structure, and greatly improves efficiency and accuracy.