Ring flange drilling mould of automobile semi -axle centre bore location

The utility model relates to a ring flange drilling mould of automobile semi -axle centre bore location, including base, bushing plate and top, the base with the bushing plate location of mutually supporting, the base has a cavity, and this cavity embeds has the ring flange work piece, and the centre bore and the setting of this ring flange work piece are in the top cooperation location at bushing plate center, the top supported flange of screwing coils or screws out and loosen the ring flange. This mould can only need to change bushing plate and base according to the different requirements to the hole of the product of difference, can satisfy the drilling demand of corresponding product, this mould is the centre bore direct positioning with the ring flange, can avoid the accumulative error of indirect addressing drilling to guarantee the position degree requirement of each pore pair benchmark of work piece, the accuracy is just fixed a position to work piece dress chi -square. 本实用新型涉及汽车半轴中心孔定位的法兰盘钻孔模具，包括底座、钻