Grain sampler

The utility model provides an automatic sampling and the even grain sampler that takes a sample, including actuating mechanism, sampler structure and controller, actuating mechanism includes first motor and second motor, and first motor and second motor are connected with the controller electricity, sampler constructs including sampling tube and helical blade, and helical blade sets up in the sampling tube, and first motor drives helical blade with the helical blade coaxial coupling and rotates, all is provided with the gear on the output of second motor and the sampling tube, and the gear passes through chain interconnect, and the second motor passes through chain and the rotation of gear drive sampling tube. The utility model has the advantages of the controller is connected with first motor and second motor for but the opening of sampling tube and helical blade stop with rotational speed synchro control, the sample is accurate, is difficult for causing the error, need not artifical upset sampling tube and