Generating device of hydraulic vibration curve of crystallizer

The invention provides a generating device of a hydraulic vibration curve of a crystallizer, which comprises a signal generating unit, a position acquiring unit, a control unit and a servo executing unit, wherein the signal generating unit is used for setting the ideal position value of a hydraulic cylinder connected with a vibration table of the crystallizer at definite time; the position acquiring unit is used for acquiring the actual position value of the hydraulic cylinder; the control unit is connected with the position acquiring unit, the signal generating unit and the servo executing unit and is used for generating a servo valve control signal according to the ideal position value of the hydraulic cylinder received from the signal generating unit and the actual position value of the hydraulic cylinder received from the position acquiring unit; the servo executing unit is connected with the control unit and is used for driving the hydraulic cylinder to move according to the received servo valve control