Punching press flanging die utensil

The utility model provides a punching press flanging die utensil which includes: upper die base and the fixed mounting drive block on it, die holder and the fixed mounting pressfitting slide wedge onit, wherein: its still include with the mounting base and the return device of curved one side of part arc edge break of pressfitting slide wedge fixed mounting, return device includes: go up base andlower base and lie in go up the base with spring between the lower base, just go up the base with mounting base fixed connection, down the base with die holder fixed connection, its simple structure,installation space are little, provide sufficient time the power of moving back in the limited installation space of mould, guarantee that preflex mechanism works smoothly, reduce mould development cost simultaneously. 种冲压包边模具，其包括：上模座和固定安装于其上的驱动块，下模座和固定安装于其上的压合斜楔，其中：其还包括与所述压合斜楔固定安装的零件弧边折弯侧的安装基座和回复装置，所述回复装置包括：上底座和下底座和位于所述上底座和所述下底座之间的弹簧，且所述上底座与所述安装基座固定连接，所述下底座与所述下模座固定连接，其结构简单、安装空间小，在模具有限的安装空间内提供足够的回退力，保证预弯机构顺利工作，同时降低模具开发成本。