Drill tip grinding mechanism

The utility model provides a drill bit tool nose grinding mechanism, belongs to the technical field of drill bit machining equipment, and aims to solve the problems of low adjusting precision and lowproduction efficiency of the conventional drill bit tool nose grinding equipment. The sharpening device comprises an X-axis adjusting support, a Z-axis adjusting base and a sharpening mechanism. The X-axis adjusting support is arranged on the Z-axis adjusting base; the sharpening mechanism is arranged on the X-axis adjusting support; the sharpening mechanism comprises two cutting spindles, the twocutting spindles are fixed in a spindle fixing base, the installation angle of the spindle fixing base is adjustable, an optical ruler and a linear motor are matched to control a Z-axis sliding support to slide on a Z-axis fixing support, and a displacement sensor and a servo motor are matched to control an X-axis sliding support to slide on an X-axis fixing support. The sharpening mechanism is accurately adjusted in the