Rotary limiting chuck device

A rotary limiting chuck device comprises a first clamping plate, a second clamping plate, a third clamping plate, a pivot and a self-twisting spring, first hinge ends are arranged on the two sides of the first clamping plate, first limiting units are arranged at the first hinge ends, a first clamping end bent downwards is arranged at the outer end of the first clamping plate, and a second clamping end bent downwards is arranged at the outer end of the second clamping plate. The two sides of the second clamping plate are provided with second hinge ends, the second hinge ends are movably hinged to the first hinge ends, the second hinge ends are provided with second limiting units in rotary limiting fit with the first limiting units, and the first limiting units and the second limiting units form a rotary limiting mechanism. The outer end of the second clamping plate is provided with a blocking piece which is bent upwards. The third clamping plate is fixedly connected with the lower surface of the second clampin