Polishing device applied to blade end surface of wind driven generator

The invention discloses a polishing device applied to a blade end surface of a wind driven generator. The polishing device comprises a frame body, a rotating frame, a polishing mechanism, a driving device and a transmission device, wherein the frame body comprises a first support leg, a second support leg and a third support leg; the first support leg, the second support leg and the third support leg are distributed in a radial form, and included angles between the adjacent support legs are 120 degrees; the first support leg and the second support leg are the same in length; the third support leg is shorter than the first support leg and the second support leg; clamping jaws are arranged on the first support leg, the second support leg and the third support leg, and the clamping jaw arranged on the third support leg is telescopic; positioning plates are respectively arranged on the first support leg, the second support leg and the third support leg; the rotating frame is rotationally connected above the frame body; the driving device and the transmission device are arranged between the rotating frame and the frame body; and the polishing mechanism is arranged on the rotating frame. The polishing device, provided by the invention, guarantees the machining precision, and improves the production efficiency.