Intelligent control grain sampling device

The invention discloses an intelligent control grain sampling device which comprises a workbench, a material taking component, a track, a power driving mechanism and a PLC control system, the track is installed at the top of the workbench, the material taking component slides along the track under the action of the power driving mechanism, a material falling opening is formed in the lower portion of the rear end of the track, and a material receiving box is arranged below the material falling opening; when the material taking component moves to the rear end of the track, grain taken in the material taking component is discharged from the discharging opening and collected in the material receiving box, a material scraping device is further arranged on the track and used for sweeping away materials higher than the material taking component, and the power driving device comprises a pneumatic telescopic rod and an air compressor providing a power source for the pneumatic telescopic rod. And the power driving mech