Paper buttress pre -installation mechanism of printing machine

The utility model discloses a paper buttress pre -installation mechanism of printing machine, its technical scheme main points include the frame, rotate connect in guide bar in the frame and setting up in the paper buttress layer board of frame lower part, cup joint the left slider and right slider that slide on the guide bar in the frame, left side slider closes on guide bar tip one side with right slider and is provided with neat paper baffle in a left side and the neat paper baffle in the right side, the middle part of guide bar is along radially being provided with the screw thread that direction of rotation is opposite to the both ends symmetry, the neat paper baffle in a left side and neat paper baffle in the right side and guide bar threaded connection and inconsistent with the frame, still be equipped with control in the frame the just direction changing driving motor of guide bar, the utility model discloses have simultaneously and to carry out the effect of adjusting to the neat paper baffle of both