Automatic grinding equipment for drill bit

The utility model provides automatic drill bit grinding equipment, belongs to the technical field of drill bit machining, and aims to solve the problems of how to realize automatic production of microdrill bit machining and how to improve the machining precision and the production efficiency. The device comprises a machine table, the rotary multi-station machining module is located in the middleof the machine table. Four working heads are rotationally arranged on the rotary multi-station machining module; the feeding and discharging module, the grooving station module, the sharpening stationmodule and the back grinding station module are sequentially arranged on the machine table around the rotary multi-station machining module in the anticlockwise direction. The grooving station adjusting base is correspondingly arranged on the inner side of the grooving station module, the sharpening station adjusting base is correspondingly arranged on the inner side of the sharpening station module, and the back grinding