Printing ink scraper device for screen printing machine

The utility model discloses a printing ink scraper device for a screen printing machine, which comprises a scraper mechanism and an ink reclaiming knife mechanism which are arranged in parallel, the scraper mechanism and the ink reclaiming knife mechanism are respectively connected to a case above through a scraper lifting shaft and an ink reclaiming knife lifting shaft, and the scraper mechanism comprises a scraper lifting plate which is horizontally arranged. A connecting frame is connected below the scraper lifting plate, a scraper is arranged on the connecting frame, a scraper adjusting mechanism is further connected between the scraper lifting plate and the connecting frame, and the connecting frame can ascend to be close to the scraper lifting plate or descend to be away from the scraper lifting plate. The scraper adjusting mechanism is arranged, the connecting frame can be adjusted by the scraper adjusting mechanism to ascend to be close to the scraper lifting plate or descend to be far away from the s