Low-temperature dry grinding machine

The utility model provides a low-temperature dry grinding machine. The grinder comprises a machine body, a grinding barrel, a grinding cutterhead, a cover body and a motor, the motor is mounted abovethe cover body; the grinding cutter head is mounted below the cover body; the motor is in driving connection with the grinding cutter head, the machine body comprises a liquid nitrogen containing cavity with an opening in the upper portion, the grinding barrel is installed in the liquid nitrogen containing cavity, the upper edge of the grinding barrel is connected with the machine body, the liquidnitrogen containing cavity and the grinding barrel form a liquid nitrogen storage groove, the cover body is installed above the grinding barrel, and the grinding cutter head is located in the grinding barrel. The low-temperature dry grinding machine disclosed by the utility model can be used for cooling resin, so that the resin is prevented from being easily melted due to high temperature in thegrinding process. 本实用新型提供了一