Paper cutting machine for printing

The utility model discloses a paper cutting machine for printing. Relates to the technical field of printing processing equipment, and comprises an operation table, the top of the operation table is fixedly connected with two first mounting plates, one side of each first mounting plate is rotatably connected with a first rotating rod, and one side of each first mounting plate is fixedly connected with a first motor. The first rotating rod, the first motor, the moving block, the clamping plate, a second mounting plate, a sliding block, a second motor, an air cylinder, a second rotating rod, a guide rod, a moving plate, a spring, a third mounting plate, a circular column and a pressing block are matched for use, so that paper can be aligned and positioned after manual feeding; the problem that in the feeding process, tidily-stacked paper becomes uneven in layer by workers is avoided, the position of the paper cutting blade can be adjusted according to the size of the paper, the workers do not need to adjust the