Adjustable bolt forming and fixing device

The utility model provides an adjustable bolt forming fixing device which comprises a bolt fixing clamp, the lower end of the bolt fixing clamp is installed on an overturning supporting frame, the two ends of the overturning supporting frame are installed on a fixing supporting frame through rotating supporting shafts, the rotating supporting shaft at one end of the overturning supporting frame is provided with an overturning driving device, and the rotating supporting shaft at the other end of the overturning supporting frame is provided with an adjusting device. The lower end of the bolt fixing clamp is installed at the output end of the rotary driving device, the bolt fixing clamp comprises a clamp supporting frame, a protective supporting shell is arranged on the outer side of the clamp supporting frame, a rotary driving disc is installed at the upper end of the clamp supporting frame, and rotary driving teeth are arranged on the lower side of the rotary driving disc. A chuck driving spiral groove is form