Preserved vegetable cake screening machine

The utility model provides a preserved vegetable caking screening machine, belongs to the technical field of preserved vegetable processing, and solves the problem that an existing screening machine cannot automatically clean a screening plate. The preserved vegetable caking screening machine comprises a mounting frame, a vibrating screen is arranged on the upper portion in the mounting frame, a box body is fixed to the top of the right side of the mounting frame, a linkage structure is arranged in the box body, and a movable box is arranged on the right side above the vibrating screen. Through the arrangement of a linkage structure, a movable box, a brush, a threaded rod and a threaded sleeve, the screening machine can automatically clean the surface of the screening plate after screening work is completed, preserved vegetables are prevented from being stacked on the screening plate, the labor burden of workers is relieved, and through the arrangement of a mounting box, a winding roller, shielding cloth and