High-concentricity die with positioning function

The utility model relates to a high-concentricity die with a positioning function, which comprises a bottom plate component, a first positioning component and a second positioning component, the bottom plate component comprises a first plate body and epitaxial plates formed on two side surfaces of the first plate body, and a plurality of accommodating grooves are formed in the surface of the firstplate body; a plurality of lower die mechanisms; first support plate group, the first supporting plate set comprises a first supporting plate body installed on the upper surface of the first plate body, first receding clamping holes formed in the first supporting plate body and corresponding to the lower die mechanisms in a one-to-one mode, and middle die plates installed in the first receding clamping holes. A forming hole array matched with the forming needle array is formed in the middle template; a second support plate group; and the upper cover plate assembly is installed on the upper surface of the second suppo