Air inlet pipe of cooling cylinder

The utility model discloses a cooling cylinder air inlet pipe which comprises a cooling cylinder, one side of the top face of the cooling cylinder is fixedly communicated with an air inlet pipe, the air inlet pipe is located at the feeding end of the cooling cylinder, a turbulent flow device can improve the air volume coverage range of the discharging end of the cooling cylinder, the bottom face of a cylinder body is fixedly connected with a cylinder body, and a swing device is arranged in the cylinder body in an attached and sliding mode. The inner diameter of the barrel body is gradually reduced from top to bottom, a plurality of through holes are formed in the bottom face of the barrel body, the swing device comprises a hole plate, the side wall of the hole plate is fixedly connected with a driving device, the transverse section of a hole in the hole plate is in an obtuse triangle shape, the longitudinal section of the hole in the hole plate is in an inverted trapezoid shape, and the turning plate is in an