Press-fitting centering mechanism

The utility model provides a press-fitting centering mechanism which is simple in structure, capable of guaranteeing coaxiality and low in needed cost. The device comprises a base, a support is arranged at the upper end of the base, a press-fitting seat for placing a piston is installed on the base, a first linear motor is installed at the position, corresponding to the press-fitting seat, of the upper end of the support, a piston rod of the first linear motor is connected with a first clamping jaw, a second linear motor is further arranged at the upper end of the support, and a piston rod of the second linear motor is connected with a horizontal positioning plate. An overturning motor is installed on the side, close to the press-fitting base, of the positioning plate, and a second clamping jaw is connected to a motor shaft of the overturning motor. 本实用新型提供了一种压装定心机构，其结构简单，可以保证同轴度，同时所需成本低。其包括底座，底座的上端设有支架，底座上安装有放置活塞的压装座，支架上端对应压装座位置处安装有第一直线电机，第一直线电机的活塞杆连接有第一夹爪，支架上端还设有第二直线电机，第二直线电机的活塞杆连接有水平的定位板，定位板上靠近压装座一侧安装有翻转电机