▎ 摘　　要

NOVELTY - The utility model claims a tensile cooling structure of beryllium copper wire, comprising a matched die sleeve; a mould core and a cooling shell; the mould core is formed with a stretching mould hole; the mould sleeve is sleeved on the feeding side of the mould core, and the mould core rear part is exposed at the back part of the mould sleeve; and the surface of the exposed part is formed with a graphene uniform heat coating; and the cooling shell comprises two semi-shells capable of being detached; the cooling shell can be sleeved on the assembled mould sleeve; the outer side of the mould core; the front end is jointed with the mould sleeve; and the position corresponding to the mould core is formed with an outer expanding cavity as a cooling sleeve; the cooling shell is formed with a red copper heat conducting layer at the inner side of the corresponding cooling sleeve; and the two half shells are respectively provided with a cooling medium inlet and a cooling medium outlet corresponding to the cooling sleeve position. The utility model can ensure the stretching quality of the copper wire and ensure the cooling circulation of the mould core.