Steel bar cutting device for constructional engineering

The utility model provides a reinforcing steel bar cutting device for constructional engineering, which belongs to the technical field of reinforcing steel bar processing and comprises a bottom plate, a support frame arranged on the bottom plate, a fixing plate arranged above the support frame, arc-shaped frames symmetrically arranged above the fixing plate, a left clamping plate arranged on the outer sides of the arc-shaped frames, a fixing block arranged above the left clamping plate, and a round hole formed in the fixing block in a penetrating manner. A right clamping plate is arranged at the position corresponding to the left clamping plate, an air cylinder is arranged at the top of the right clamping plate, fixing rods are symmetrically arranged on the side face of the air cylinder, and a cutting mechanism is arranged on the side face of the fixing plate. And cutting and fixing of the reinforcing steel bars are connected into a whole, so that the effect after the reinforcing steel bars are cut is better.