Cooling water cooling and rubber returning device of open mill

The utility model discloses a cooling water cooling glue returning device of an open mill, which comprises a fixing frame, a first cooling roller is arranged at the top end of the middle position in the fixing frame, a second cooling roller is arranged at the bottom end of the middle position in the fixing frame, and a plurality of groups of bearings are arranged at the two ends of the fixing frame. Rotating shafts penetrating into the bearings are arranged at the two ends of the first cooling roller and the two ends of the second cooling roller correspondingly. The motor drives the rotating shaft to rotate, the rotating rotating shaft drives the first transmission wheel to rotate, the first transmission wheel drives the second transmission wheel to rotate under the action of the first belt, and the rotating second transmission wheel drives the second cooling roller to rotate; the second cooling roller drives the first cooling roller to rotate, cooling water is conveyed into the condensate water pipe through