One-time lateral punching die mechanism for small-inner-diameter pipe

The utility model provides a one-time lateral punching die mechanism for a small-inner-diameter pipe, and belongs to the technical field of dies. The problems that an existing small-inner-diameter pipe is low in hole drawing efficiency, and precision cannot be guaranteed are solved. The one-time lateral punching die mechanism for the small-inner-diameter pipe comprises an upper die base, a lower die base and a guide unit, the guide unit is composed of a guide column, a ball and a guide sleeve, and an installation unit which is connected with the lower die base and used for placing and installing a workpiece is arranged between the upper die base and the lower die base. A punching assembly used for workpiece punching machining is further arranged between the upper die base and the lower die base, and the punching assembly is composed of a left punching unit and a right punching unit. The utility model has the advantages that the processing efficiency is improved and the processing precision is ensured. 本实用新型提供