Automatic scraper lifting adjusting mechanism

The utility model relates to the technical field of printing machines, in particular to an automatic scraper lifting adjusting mechanism which comprises two supporting vertical plates installed on a printing machine rack in a relative sliding mode, a scraper rest is installed between the two supporting vertical plates, and a scraper body is installed at the bottom of the scraper rest. Fixing seats are fixed to the side walls, close to each other, of the two supporting vertical plates, sliding grooves are formed in the side walls, close to each other, of the fixing seats, sliding blocks are slidably installed in the sliding grooves in the vertical direction, screw rods are vertically and rotatably installed in the fixing seats, and the screw rods penetrate through the sliding grooves in the vertical direction; and a gear motor for driving the screw rod to rotate is mounted on the side wall of the fixed seat. The workload of workers is reduced, and the working efficiency is improved. 本申请涉及印刷机的技术领域，具体公开了一种刮刀自动升降