Mechanical clamping jaw connecting assembly

The utility model provides a mechanical clamping jaw connecting assembly, which belongs to the technical field of mechanical clamping jaws, aims to solve the problems that an existing mechanical clamping jaw is complicated in operation, consumes more time and affects the working efficiency when being assembled, and comprises a mounting plate, a connecting shaft, a connecting seat, a connecting cam, a connecting plate and a fixed knob, the connecting shaft is in threaded connection with the lower end of the mounting plate; the connecting seat is clamped at the lower end of the connecting shaft; the connecting cam is rotationally connected to the lower end face of the connecting base. The connecting plates are rotationally connected to the front end and the rear end of the connecting base. The fixed rotary knobs are rotationally connected to the outer side faces of the left end and the right end of the connecting plate. According to the utility model, the working efficiency of the mechanical arm is effectively