Grain detection sampling device

The utility model discloses a grain detection sampling device and relates to the technical field of agricultural product detection. The sampling device comprises a sampling barrel, one end of the sampling barrel is connected with a plug, and a sampling pull rod is movably inserted into the plug; the sampling pull rod extends into the sampling barrel and is connected with baffles in one-to-one correspondence with the sampling ports; the sampling pull rod is connected with a limiting ring and sleeved with a compression spring, the limiting ring and the compression spring are both located in the sampling barrel, and the compression spring is located between the limiting ring and the plug; the sampling pull rod is connected with a limiting strip, the partition plate is provided with a limiting notch matched with the limiting strip and used for limiting rotation of the sampling pull rod in the circumferential direction, and the sampling opening is opened and closed through the baffle by pulling the sampling pull r