Tool holder cleaning mechanism of drilling and tapping machine

The utility model relates to the technical field of drilling and tapping machine assistive devices, in particular to a drilling and tapping machine tool holder cleaning mechanism which comprises a U-shaped base, an L-shaped supporting plate is arranged on the rear side wall of the U-shaped base, an electric telescopic rod is arranged at the top of the L-shaped supporting plate, a U-shaped support is arranged at the output end of the electric telescopic rod, a first motor is arranged on the left side wall of the U-shaped support, and a second motor is arranged on the right side wall of the U-shaped support. A tool holder is placed at the center of the U-shaped base, a second motor is driven to drive a rotating rod to rotate, the rotating rod rotates to drive a left supporting block and a right supporting block to move in opposite directions through a left thread and a right thread, then the tool holder is clamped through a left clamping head and a right clamping head, and an electric telescopic rod is started