Change table control circuit system

The utility model provides a change table control circuit system, belongs to the machining center auxiliary equipment field. In the carrier roller device, oil inlet on the first oil circuit board in proper order with the check valve, the oil inlet intercommunication of double -end solenoid valve, first oil circuit board oil return opening and double -end solenoid valve oil -out intercommunication, an actuator port and the hydraulically controlled check valve of double -end solenoid valve, first choke valve, second oil circuit board oil inlet, the second choke valve, the single -end solenoid valve, second oil circuit board oil return opening communicates the end does not in proper order have pole chamber intercommunication with the hydro -cylinder, the 2nd actuator port of double -end solenoid valve has a pole chamber intercommunication through first choke valve second channel and lift cylinder's, the induction system includes that the block separates the certain distance and follows supreme five inductive switch that set gradually down with mutual, the block is located on change table's the shift fork, five inductive switch are by machining center's control system control. The utility model discloses make the change table even running, it is efficient, the noise is little.