Wet spinning moderate-strength polyethylene fiber drafting device

The utility model discloses a wet spinning moderate-strength polyethylene fiber drafting device which comprises a drafting box, winding and unwinding rollers are installed on the two sides of the drafting box respectively, a box cover is installed at the top end of the drafting box, guide rollers are evenly installed at the top end in the drafting box, a wetting box is installed on one side in the drafting box, and a drying box is installed on the other side in the drafting box. And the infiltrating roller is mounted in the infiltrating box. Polyethylene fibers are infiltrated in advance through the infiltrating box and the infiltrating roller, the high water content of the polyethylene fibers is guaranteed, automatic infiltrating liquid supplementation can be conveniently carried out on the fibers in the drafting process under the effect of the siphon, smooth stretching of the polyethylene fibers is guaranteed, and under the effect of the heating guide wires and the heat conduction ring, the moisture content