The whole machine is made of high-quality 304 stainless steel, with reasonable structure, beautiful appearance, stable performance, simple operation, convenient maintenance, and meets food safety requirements. Piston-type hydraulic drive is adopted, after adjusting the working pressure, under the action of the hydraulic cylinder, the material in the cylinder is extruded after the pressure is generated, and the applicable material range is wide. The discharge speed is fast, the sausage shape is uniform, the efficiency is high, and it has a good continuous production capacity, which is suitable for various types of production enterprises.