Jarring type standard sieve shaker

The utility model provides a jar type standard sieve shaker, which relates to the technical field of standard sieve shakers and comprises a base, a motor is mounted on one side of the base, a bottom plate is mounted at the top end of the base, support rods are mounted on two sides of the top end of the bottom plate, a top plate is fixedly mounted at the top ends of the support rods, and a cover plate is mounted below the top plate. A moving mechanism is arranged at the top end of the top plate, a tray is installed at the top end of the bottom plate, a screening frame is installed above the tray, and a material distributing mechanism is arranged in the screening frame; the moving mechanism is arranged above the top plate, a mounting cavity, a first servo motor, a threaded rod, a threaded sleeve, a movable cavity, a limiting groove and a limiting block of the moving mechanism are matched with one another, a cover plate can be driven to move, the cover plate is moved to a proper position according to the number