Flattening processing device for corrugated carton

The utility model discloses a corrugated carton flattening device which comprises a bottom plate, a first air cylinder is installed on the upper surface of the bottom plate, a telescopic head is installed at the telescopic end of the first air cylinder, a working panel is rotatably installed on the upper surface of the telescopic head, and a second air cylinder is rotatably installed between the telescopic head and the working panel. A door-shaped frame is installed on the upper surface of the bottom plate, a fixing shaft is installed on the inner top face of the door-shaped frame, two rotating arms are rotatably installed on the outer side of the fixing shaft, pressing rollers are rotatably installed at the movable ends of the rotating arms, and a torsional spring is installed on the outer side of the fixing shaft. The carton flattening device has the beneficial effects that the carton is flattened through rolling of the pressing rollers on the carton, the pressure of the pressing rollers on the two ends of