Grinding device with secondary rolling structure

The utility model relates to the technical field of material processing, and discloses a grinding device with a secondary rolling structure, which comprises a main body, the top of the main body is fixedly connected with a feed port, the bottom of the main body is provided with a material collecting box, the bottom of the feed port is provided with a grinding disc, and the bottom of the grinding disc is provided with a secondary rolling structure. A grinding roller is arranged above the grinding disc, the center of the grinding roller is fixedly connected with a rotating shaft, one end of the rotating shaft is rotationally connected with the inner wall of the main body, the other side of the rotating shaft is fixedly connected with one side of a rotating disc, the other side of the rotating disc is fixedly connected with a handle, a funnel is arranged below the grinding disc, and a refining grinding mechanism is arranged at the bottom of the funnel. According to the grinding device with the secondary grinding