A heat sink in-mold point punching press die

Abstract

The utility model relates to a heat radiator punch forming technical field discloses a heat radiator in -mold buckle point punch forming die, including upper die holder and lower die holder, the upper die holder is equipped with punch appearance mould group, bending mould group, buckle point shaping mould group and blanking mould group in proper order along fin processing direction in, the lower die holder is equipped with punch appearance insert mould group, buckle point shaping insert mould group and blanking insert block mould group corresponding in proper order with punch appearance mould group, bending mould group, buckle point shaping mould group, blanking mould group, set up buckle point shaping mould group through, under the action of buckle point shaping mould group, the angle of the buckle piece on the fin side is inclined, can avoid the bruise of last fin or buckle point deformation at buckle cutting edge, simultaneously, can also complete the forming of high low fin and buckle point operation under the condition of not additional punch hole avoidance, that is, do not need to use a piece of material for punch hole avoidance, directly reduce the consumption of material.

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