Bisynchronous center determining positioning device of automotive brake support

The invention provides a bisynchronous center determining positioning device of an automotive brake support, and belongs to the technical field of auto spare part machining. The device solves the problem that in the brake support machining process, the accuracy is low. The bisynchronous center determining positioning device comprises a positioning body, a positioning piece and a center determiningpiece, the positioning piece and the center determining piece are arranged on the positioning body, the positioning piece comprises two positioning blocks arranged on the positioning body at intervals in parallel, the center determining piece comprises two center determining blocks corresponding to the two positioning blocks in a one-to-one manner, the center determining blocks are arranged on the inner sides of the corresponding positioning blocks and are rotationally connected with the inner sides of the corresponding positioning blocks, a spring is arranged between each center determiningblock and the correspondin