Film blowing, cooling and shaping device for polyethylene film production

The utility model relates to the technical field of polyethylene film production, in particular to a film blowing, cooling and shaping device for polyethylene film production, which comprises a cooling box, a cooling cylinder and a cooling fan, the cooling cylinder is arranged above the cooling box and provided with a cavity, a cooling pipe is mounted in the cavity, the cooling box is provided with a water pump, and the output end of the water pump is communicated with a water outlet pipe. The output end of the cooling fan is communicated with a main air outlet pipe, the main air outlet pipe extends into the cooling cylinder, a plurality of auxiliary air outlet pipes are annularly distributed on the inner wall of the cooling cylinder, a water storage tank is arranged at the bottom of a cavity of the cooling cylinder, and a drainage pipe is installed on the cooling cylinder. The auxiliary air outlet pipe inclining upwards is arranged on the inner wall of the cooling cylinder, the phenomenon that condensate wat