Shrinkage die with up-drawing core

The utility model discloses a shrinkage die with an up-drawing core, which comprises a fixed mould and a movable mould capable of being closed with the fixed mould, wherein a plurality of fixed mould inserts capable of being spliced mutually are embedded on the fixed mould, a plurality of movable mould inserts capable of being spliced mutually are embedded on the movable mould, an upper slide block is arranged at the upper end of the movable mould, a plurality of upper slide block mould cores capable of being spliced mutually are mounted on the upper slide block, and the upper slide block and the upper slide block mould cores together form the shrinkage up-drawing core. When positions of the inserted blocks on the fixed mould and the movable mould are changed, i.e. the combined lengths of the inserted blocks are changed, the shrinkage die provided by the utility model can perform adaptative combination and variation to the upper slide block mould cores of the up-drawing core, thereby producing products with v