Quantitative controllable electric grain sampler

The utility model provides a quantitative and controllable electric grain sampler, and belongs to the technical field of grain samplers. The grain sampler solves the problem that certain errors exist in grain quality evaluation of an existing grain sampler. The quantitative controllable electric grain sampler comprises a sampling barrel, a hose, a sampling tube, a barrel cover, a controller and a filtering piece arranged in the sampling barrel, one end of the hose is connected with an air inlet of the sampling barrel, the other end of the hose is connected with the sampling tube, the barrel cover is fixed to the top of the sampling barrel, the controller is installed in the barrel cover, and the filtering piece is attached to the inner circumferential wall of the sampling barrel in a sealed mode. The air inlet is positioned between the filtering piece and the bottom wall of the sampling barrel. The quantitative controllable electric grain sampler has the advantage of improving the accuracy rate of grain quali