Soil sample quick-drying device

The utility model belongs to the technical field of soil detection, and particularly relates to a soil sample quick-drying device which comprises a drying box, a feeding hopper, a motor and a grinding mechanism, the feeding hopper is arranged on the top of the drying box and communicates with the interior of the drying box. The motor is arranged on the outer wall of the feeding hopper; the output end of the motor penetrates through the inner wall of the feeding hopper and is fixedly connected with a first rotating shaft; the grinding mechanism is arranged in the feeding hopper; the grinding mechanism comprises a second rotating shaft, a grinding disc, a through hole, a grinding roller, a first bevel gear and a second bevel gear; a supporting frame is arranged in the feeding hopper; the top of the second rotating shaft is rotationally connected to the bottom of the supporting frame. The grinding disc is fixedly connected to the outer wall of the second rotating shaft and is in running fit with the inner wall o