Granule runout detection device

The utility model discloses a grain runout detection device, which belongs to the technical field of grain detection and comprises a bottom plate, a support arranged on one side of the top of the bottom plate, a base arranged on one side of the support, a fixing component arranged on the support and a guide rail arranged on the side wall of the support, the bottom of one end of the rotating assembly is provided with an upper pressing block, a quick clamp is arranged above the guide rail, the working end of the quick clamp is provided with a connecting column, the end of the quick clamp is connected with the rotating assembly through a connecting block, and the limiting assembly comprises a fixing base rotationally installed on the top of the base, a supporting head is arranged on the top of the fixing base, and a grain is placed on the supporting head. The top of the grain is pressed by the upper pressing block, the detection assembly is arranged on one side of the base and comprises a magnetic gauge stand ar