Screen piece dismounting structure of grinder

The utility model discloses a screen piece dismounting structure of a grinder. The structure comprises a shell with a grinding room; the grinding room of the shell is internally provided with a screen piece; the screen piece is arranged on the inner edge of the shell and takes on a circular arc shape; the inner edge of the shell is provided with a press block; two nicks are formed by the press block and the inner edge of the shell; and the two ends of the screen piece are respectively clamped in the two nicks. Due to flexibility, the screen piece is bended to be in the circular arc shape when being installed, the two ends of the screen piece are respectively clamped in the two nicks, and the screen piece clings to the inner edge of the shell due to self tension. The structure is not only convenient to install, but also simple and low in manufacturing cost; and furthermore, one end of the screen piece is provided with a check block, and the shell is provided with a through hole corresponding to the check block