Numerical control bender driving oil pump device

The utility model provides a numerical control bender driving oil pump device, include oil tank, oil filter, decide metering rod pump, motor, inserted valve, overflow valve, the motor adopts servo motor, decide the import of metering rod pump and pass through the tube coupling oil tank, be equipped with the oil filter on deciding the pipeline between metering rod pump and the oil tank, decide themetering rod delivery side of pump and pass through the tube coupling inserted valve, the motor is connected and is used for the drive to decide the metering rod pump, be connected with the overflow valve on the inserted valve, the overflow valve is used for the high pressure of settlement system, the oil tank is connected through backward flow mouthful T to the inserted valve. The utility model discloses utilize the servo motor variable speed to change the defeated outflow who decides the metering rod pump to the demand of the various operating mode speed of adaptation load has reduced energyloss, has improved the ef