Clamping mechanism of precision part cutting device

The utility model discloses a clamping mechanism of a precision part cutting device, which relates to the field of precision part production and comprises a hollow shell, longitudinal open slots are arranged on two sides of the top end of the hollow shell, and a transverse open slot is arranged between the longitudinal open slots at the top end of the hollow shell. A screw transmission part is fixedly mounted at the position, close to the bottom end, of the interior of the hollow shell, electric telescopic rods are fixedly connected to transmission parts on the two sides of the screw transmission part, clamping plates are fixedly connected to the heads of the electric telescopic rods, and concave grooves are formed in symmetrical parts on the two sides of the clamping plates; the height of the portion, extending out of the hollow shell, of the clamping plate can be adjusted according to the sizes of parts needing to be machined, the parts of different sizes can be well clamped and cut, and meanwhile the cutti