Pressurizing material barrel

The pressurization charging basket comprises a charging basket body with the upper portion provided with an opening and a barrel cover arranged on the upper portion of the charging basket body and used for sealing the opening, a guide pipe is arranged on the barrel cover in a sliding and penetrating mode, and an extrusion plate arranged in the charging basket body and connected to the charging basket body in a sliding mode in the axial direction is arranged on the lower portion of the guide pipe. The extrusion plate divides an inner cavity of the charging basket body into a pressurizing cavity and a material cavity, the pressurizing cavity is located above the material cavity, the charging basket body is provided with a pressurizing part for pressurizing the pressurizing cavity, the charging basket body is provided with a filling pipe communicated with the material cavity, and the filling pipe is provided with a discharging valve for controlling opening and closing of the filling pipe. The lower end face of t