Tool clamp for mechanical part production

The utility model relates to the technical field of machining, in particular to a tool clamp for mechanical part production, which comprises a workpiece operating table, supporting mechanisms are arranged at the bottom of the periphery of the workpiece operating table, and a clamp groove is formed in the top of the workpiece operating table. The top of the workpiece operation table is provided with a clamping and fixing mechanism used for clamping and fixing mechanical parts. According to the mechanical part clamping and fixing device, an object needing to be clamped and fixed is clamped and fixed through the first clamping and fixing rod and the second clamping and fixing rod which are oppositely arranged; the first clamping and fixing groove and the second clamping and fixing groove in the clamping and fixing plate connected to the first clamping and fixing rod are used for clamping and fixing the mechanical part of a circular structure, the first clamping and fixing groove is a trapezoidal groove, the seco