Discharging sieve plate of hammer crusher

The utility model discloses a discharge sieve plate of a hammer crusher, which relates to the field of crusher components and comprises a sieve plate and discharge holes. A plurality of uniformly distributed discharge holes are formed in the surface of the sieve plate; the top surface of the sieve plate is provided with mutually connected positioning rings around each discharge hole, and the top surfaces of the positioning rings are provided with a plurality of bumps uniformly distributed along the discharge holes; the positioning ring and the sieve plate are provided with through holes in areas right below the corresponding convex blocks; the bottom surface of the sieve plate is provided with nut grooves in areas right below the corresponding convex blocks; a screw is arranged in the through hole, the top end of the screw is fixedly connected with the bottom face of the protruding block, and the bottom end of the screw is located in the nut groove and provided with a nut. And after colliding with the convex