Electric knife rest based on numerical control equipment

The invention discloses an electric knife rest based on numerical control equipment. The electric knife rest based on the numerical control equipment comprises a base and a machine frame, wherein themachine frame is positioned at the top of the base and can rotate on the base. The electric knife rest based on the numerical control equipment is characterized in that the machine frame comprises a lower knife plate, a middle knife plate and an upper knife plate which are sequentially connected, wherein the lower knife plate is positioned at the top of the base; a plurality of adjusting rods areseparately arranged on four sides of the top of the upper knife plate, the adjusting rods are vertically inserted into the upper knife plate and can move towards the direction of the lower knife plateon the upper knife plate, support plates are arranged at the bottom ends of the adjusting rods, and the support plates can move along with the adjusting rods; the adjusting rods are further providedwith limit rings which are c