Automatic sampling system for agricultural product detection

The utility model discloses an automatic sampling system for agricultural product detection, and belongs to the technical field of agricultural product detection. Comprising a workbench with a guide rail, an agricultural product fixing device, a sampling device and a driving device, the driving device is mounted on the guide rail through a bracket; the sampling device is mounted on the driving device; the sampling device comprises a sampling tube with scales, and a piston and a push rod which are arranged in the sampling tube; one end of the sampling tube is provided with a saw-toothed tapered tool bit, the other end of the sampling tube is sealed by an end cover with a threaded hole, and the end cover is driven by a driving device to drive the sampling tube to alternately rotate at a certain angle in the forward direction and the reverse direction; and the other end of the push rod drives the piston to move under the driving of the driving device. Through external pressure, the saw-toothed tapered tool bit o