Polyester yarn heating deformation box

The utility model discloses a polyester silk heating deformation box, including box body, heating box and cooling box, the left end of box body interior is rotatingly connected with slow roller, the right side of box body interior is fixedly connected with the heating box, the interior of heating box is rotatingly connected with fast roller, the upper end of heating box interior is fixedly connected with heating pipe, and the cooling box is fixedly connected with the box body interior. A cooling box is fixedly connected to the right end of the interior of the box body, an air pipe is connected to the upper end of the interior of the cooling box in a sealed mode, and an air cooling spray head is connected to the lower end of the air pipe in a sealed mode. The high-speed roller and the low-speed roller can rotate at different rotating speeds under the connection action of the high-speed pulley and the low-speed pulley, so that the polyester yarns can slowly enter the box body and can be quickly output, the poly