Opener convenient for impurity removal

The utility model relates to an opener convenient for impurity removal, which relates to the technical field of cotton quilt production equipment, solves the problem that the quality of a cotton quiltis easily affected as iron filings or other impurities are easily doped in the conveying process of cotton, and comprises a machine body provided with a feeding table. A feeding hopper is fixedly connected to the portion, above the starting end of the feeding table, of the machine body, a discharging port is formed in one end of the outer bottom face of the feeding hopper, an electromagnetic plate is hinged to the inner wall of the feeding hopper, and the end, away from the hinged point, of the electromagnetic plate extends to the discharging port. The end, away from the inner bottom face ofthe feeding hopper, of the baffle is hinged to the end, close to the discharging port, of the electromagnetic plate, the electromagnetic plate is obliquely arranged and provided with a plurality of filtering holes, and a slag