Deflection compensation type multi-spindle machining center

The invention discloses a displacement compensation type multi-spindle machining center. The displacement compensation type multi-spindle machining center comprises a main base, a main stand column, asaddle, a workbench and at least two spindle machining units, the stand column is fixed to the main base, the spindle machining units are connected to the stand column in a sliding mode, and a Z-axisdriving device is arranged between the spindle machining units and the stand column. The main shaft machining unit comprises a main shaft and a unit body, the main shaft is installed on the unit body, an X-axis direction displacement compensation mechanism is arranged between the main shaft machining unit and the main stand column and comprises a unit base plate, a guide rail and a motor, the guide rail is arranged on the unit base plate, and the unit body is connected to the guide rail in a sliding mode, and a transmission mechanism is connected between the motor and the unit main body. Micro-motion compensation can