Blueprint automatic jet printing machine automatic cutting system

The invention discloses a blueprint automatic jet printing machine automatic cutting system which comprises a cutting servo motor, a guiding track, a paper pressing piece, an upper knife rest, a motor wheel, a belt wheel, a tooth-shaped belt, a pressing wheel, an upper knife disc, a lower knife and a system control unit. The cutting servo motor is fixedly connected to a wall plate on one side. The guiding track is fixed on two wall plates through supports at the two ends. The paper pressing piece is fixed below the front portion of the guiding track. The upper knife rest is arranged on the guiding track in a sliding mode. The motor wheel and the belt wheel on the cutting servo motor are arranged above the guiding track. A tooth-shaped belt is connected between the motor wheel and the belt wheel. The upper portion of the upper knife rest is fixed on the tooth-shaped belt. The pressing wheel and the upper knife disc are coaxially fixed below the front portion of the upper knife rest. A lower knife is arranged below the pressing wheel and is fixed between the two wall plates. A working side of the upper knife disc is tangent with the outer edge of the lower knife. A system control unit is arranged in a whole machine control cabinet. Blueprint cutting quality can be guaranteed, the blueprint automatic jet printing machine automatic cutting system has the advantages of being high in automation degree, reliable in action and stable in working, labor is saved, and electricity is saved.