Roller machine with weighing function

The roller machine with the weighing function comprises a bottom frame, a top frame is arranged above the bottom frame, and limiting pieces are arranged between the bottom frame and the top frame. The four limiting pieces are symmetrically arranged, the four limiting pieces are all connected with the bottom frame and the top frame, and meanwhile the bottom frame and the top frame are both arranged in the supporting frame; the two top shells are installed at the two ends of the top of the bottom frame correspondingly, the rollers are installed between the two top shells, and meanwhile the multiple rollers are arranged at equal intervals. One side of the top frame is provided with a control box, the bottom frame, the top frame and the pressure monitoring modules are arranged, the bottom frame and the top frame do not make contact with each other, the four pressure monitoring modules are evenly distributed between the bottom frame and the top frame, and the weight change of the top frame can be monitored through