Sizing machine

The utility model relates to the technical field of sizing machines, and discloses a sizing machine which comprises a sizing tank, the outer surface of the sizing tank is fixedly connected with a support, the outer surface of the support is provided with a sliding groove, the inner wall of the sliding groove is connected with a tension roller in a sliding mode, and the outer surface of the tension roller is fixedly connected with a spring. A first warp roller is fixedly connected to the outer surface of the support, a groove is formed in the outer surface of the size tank, an immersion roller is slidably connected to the inner wall of the groove, a disc is fixedly connected to the outer surface of the immersion roller, a copper stem is fixedly connected to the outer surface of the disc, and a fixing piece is fixedly connected to the top end of the immersion roller. The utility model has the following advantages and effects: due to the composition of the disc and the copper stem on the immersion roller, the ya