Auxiliary device for cutter sharpening of twist drill

The utility model discloses a twist drill edge grinding auxiliary device, relates to the technical field of twist drill grinding, and solves the problems that when a twist drill edge is ground at present, due to the fact that the supporting angle of a twist drill is limited, the twist drill is inconvenient to grind and support, and when a large number of twist drills are ground, due to the fact that the clamping mode is complex, the twist drill edge is difficult to grind and support. And the grinding efficiency of the twist drill is low. Comprising a supporting vertical frame, an auxiliary sleeve box is arranged on one side of the supporting vertical frame, a turnover frame is fixedly installed between the supporting vertical frame and the auxiliary sleeve box, an arc-shaped sliding plate is fixedly installed on one side of the auxiliary sleeve box, and one end of the arc-shaped sliding plate is slidably connected with the supporting vertical frame in a sleeving mode; according to the twist drill replacing de