Die for preparing aluminum alloy tensile sample

The utility model discloses a mould for preparing an aluminum alloy tensile sample, which comprises an upper mould and a lower mould, an upper cavity is arranged on the bottom surface of the upper mould, a lower cavity is arranged on the top surface of the lower mould, the upper cavity and the lower cavity are combined to form a cavity, two ends of the cavity are respectively communicated with casting channels, the two casting channels are symmetrically arranged, a heat conduction sleeve is sleeved in the cavity, and the heat conduction sleeve is sleeved on the upper mould. The heat conduction sleeve is of a split type structure. According to the utility model, the solidification sequence of the sample can be forcibly changed to achieve the purpose of riser feeding. 本实用新型公开一种制取铝合金拉伸试样的模具，包括上模和下模，上模的底面上开设有上型腔，下模的顶面上开设有下型腔，上型腔与下型腔合模后形成型腔，型腔的两端分别连通有浇铸通道，两条浇铸通道对称设置，型腔内套设有导热套，导热套为分体式结构。本实用新型能够强制改变试样的凝固顺序，达到冒口补缩的目的。