Cooling device of film begins to pratise

The utility model provides a cooling device of film begins to pratise, includes frame and power unit, the frame on be equipped with drive roll and driven voller, the drive roll pass through the bearing and install the frame in the middle of foremost, the driven voller passes through the bearing and installs the least significant end in the middle of the frame, and is equipped with the conveyer belt between drive roll and the driven voller, drive roll and driven voller be located same horizontal plane, drive roll and driven voller between be equipped with the bearing roller, the bearing rollerhave a plurality of, just the drive roll, driven voller and bearing roller are the hollow shaft, the equal crisscross water inlet and the delivery ports of being provided with in proper order in hollow shaft both sides of drive roll, bearing roller and driven voller, and through setting up the consecutive expert of water pipe between adjacent water inlet and the delivery port. The advantage does:the cooling effect is obvi