Membrane transfer scraper device

The utility model discloses a membrane transfer scraper device which is stable in transmission. The membrane transfer scraper device comprises a left wallboard, a right wallboard, a lower shaft and a middle shaft, wherein two ends of the lower shaft and the middle shaft are arranged between the left wallboard and the right wallboard by linear bearings; one end of the middle shaft extends out of the left wallboard and is connected with a swing sleeve; the swing sleeve is connected with a speed reduction motor which is fixedly arranged on the left wallboard by an eccentric shaft; a worm wheel and a worm which are matched with each other are arranged on the lower shaft; an upper shaft is arranged above the middle shaft between the left wallboard and the right wallboard; three rack fixed bases are arranged on the upper shaft; lower ends of the rack fixed bases are connected with the upper end of a lifting rack respectively; the lifting rack is arranged in a rack base; a gear which is matched with the lifting rack is arranged on the lower shaft; a tool rest fixed base is arranged on the upper shaft; and a scraper device is arranged on the tool rest fixed base.