Automatic screening machine for gravel material inspection

The utility model relates to the technical field of gravel screening, in particular to an automatic screening machine for gravel material inspection, which comprises a vibrating table, an operating frame and a transmission component, a cylindrical sieve is arranged at the top of the vibrating table, the top of the vibrating table is fixedly connected to the bottom of the operating frame, the cylindrical sieve is connected with the vibrating table through the transmission component, and the cylindrical sieve is connected with the operating frame through the transmission component. A control box is fixedly connected to the interior of the operation frame and comprises a PLC processor module, a power module and a timing module. The device has the advantages that the vibration frequency is kept consistent while the vibration duration is conveniently controlled, manpower is prevented from being influenced by physical strength, the vibration frequency of gravel in the cylindrical sieve is prevented from being incon