Water-cooled roller cooler

The utility model discloses a water-cooled roller cooling machine, which comprises a main body assembly, a water-cooled roller cooling device, a water-cooled roller cooling device and a water-cooled roller cooling device, the cooling assembly comprises a water-cooling outer cylinder connected in the roller body, a partition plate connected in the water-cooling outer cylinder, a water-cooling inner cylinder connected to the other end of the partition plate, a bulge connected to the water-cooling inner cylinder, and a connecting pipe connected to the side walls of the water-cooling outer cylinder and the water-cooling inner cylinder; the rotating joint is connected to the connecting pipe, the water inlet pipe and the water outlet pipe are connected to the rotating joint, the flow guide cooling fin plate is connected to the interior of the water cooling inner barrel, and the exhaust pipe is connected to the discharging barrel. The utility model solves the problem that the cooling effect is greatly influenced due