End socket machining device

The utility model belongs to the technical field of containers, and particularly relates to an end socket machining device which comprises a welding assembly and a positioning assembly, the upper end of the positioning assembly is used for containing an end socket assembly, an installation concave cavity is formed in one end of the end socket assembly, a connecting through hole penetrating through the end socket assembly is formed in the end socket assembly, and the connecting through hole is communicated with the installation concave cavity. An inner flanging welding end is formed on the periphery of one end, located in the mounting cavity, of the connecting through hole, and the inner flanging welding end is raised relative to the inner wall of the mounting cavity; a positioning hole is further formed in the positioning assembly and used for installing the lower end of a connecting pipe, and the upper end of the connecting pipe penetrates through the connecting through hole to be matched with the inner flan