Hierarchical automatic feeding of pseudo -ginseng

The utility model relates to a hierarchical automatic feeding of pseudo -ginseng belongs to automatic grading field. The utility model discloses a step motor I, step motor II, main part support, optical axis I, optical axis II, hold -in range, synchronous pulley, gaseous solenoid valve, spring I, spring II, suction nozzle support, suction nozzle, sucking disc, lifting wheel, control lever, base I,base II and lift recess. Step motor I links to each other with base I, and step motor II links to each other with the main part support, and the main part support links to each other with the suctionnozzle support, and the suction nozzle support links to each other with the suction nozzle, and the sucking disc is installed on the suction nozzle, gaseous solenoid valve and vacuum generator install on base II, gaseous solenoid valve, vacuum generator and for the suction nozzle trachea link to each other, two optical axises pass the main part support, both ends are II continuous with base I andbase respectively, step mo