Printing net rack of printing machine

The utility model relates to the technical field of net racks, in particular to a printing net rack of a printing machine, which comprises a bottom plate and net rack components symmetrically fixed on the edge of the upper side surface of the bottom plate, the net rack assembly comprises a bearing seat fixed to the edge of the upper side face of the bottom plate, a shaft rod movably arranged in the bearing seat, a net rack body fixed to the peripheral side of the shaft rod, fixing pieces fixed to the edge of the lower side face of the net rack body at equal intervals, heating strips arranged between the fixing pieces, and a control box fixed to the end of the upper side face of the net rack body. The output shaft of the motor is fixed with one end of the shaft rod; according to the printing machine, the net rack assemblies are arranged to receive printed products, air drying of the printed products is accelerated through heat conduction heating of the heating strips, meanwhile, the positions of the two net ra