Filtering mechanism convenient for impurity removal

The utility model relates to the technical field of coating, and discloses a filtering mechanism convenient for impurity removal, which comprises a footstand, the upper surface of the footstand is fixedly connected with a box body, the inner wall of the box body is fixedly connected with a support frame, the top of the box body is provided with a material inlet, the bottom of the box body is provided with a material outlet, and the bottom of the box body is provided with a material outlet. And a collecting box is fixedly connected to the outer wall of the bottom of the box body. According to the filtering mechanism convenient for impurity removal, a motor is started to drive a first rotating rod to rotate, so that a cam is driven to rotate, the cam extrudes a pushing block, a filtering groove is vibrated through a vibration mechanism, the cam extrudes the pushing block, so that a sliding rod slides in the box body, and the filtering groove moves left and right in the box body; the connecting columns on the in