Cooling air device of chinlon fine denier fiber spinning window

The utility model provides a chinlon fine denier fiber spinning window cooling air device which comprises an air blowing box body, the lower portion of the air blowing box body is connected with an air volume adjusting valve, the front end of the air blowing box body is connected with a spinning box body, and an annular air blowing air cylinder mechanism is arranged in the spinning box body. The cross air blowing air duct structure is formed by arranging and connecting a plurality of air blowing air ducts side by side, air volume is adjusted through an air volume adjusting valve and the air blowing ducts capable of enabling cold shear air to be evenly distributed and blown out, the defects of an existing cross air blowing technology are overcome, meanwhile, a honeycomb rectifying plate is arranged at the front end of the spinning box body, and it is guaranteed that the air speed of cross air blowing is even. By adopting the structure, the working efficiency is improved, the structure is simple, the occupied s