Cooling device for machine barrel of injection molding machine

The utility model relates to the technical field of injection molding machines, solves the problem of poor cooling effect of a machine barrel cooling device in the prior art, and particularly discloses a machine barrel cooling device of an injection molding machine, which comprises a charging barrel, a charging barrel pressing plate and an injection table front plate. The temperature of the first discharging port and the temperature of the second discharging port are kept at a low level in the material falling process, the cooling effect is good, and the first water channel and the second water channel which define the circulating cooling channel are arranged at the position, close to the first discharging port, of the material barrel and the position, close to the second discharging port, of the material barrel pressing plate correspondingly. The first water channel and the second water channel are arranged in the charging barrel and are closer to the first discharging opening and the second discharging open