Hydraulic drive mold locking system and control method thereof

The invention provides a hydraulic drive mold locking system and a control method thereof, and relates to the technical field of hydraulic drive, the hydraulic drive mold locking system comprises a mold locking platform, a movable template, a fixed template, a hydraulic drive unit and a hydraulic control unit; the guide rail, the fixed template and the hydraulic driving unit are arranged on the mold locking platform; the movable template is movably arranged on the guide rail and is opposite to the fixed template; the hydraulic control unit controls the hydraulic driving unit to work; the hydraulic driving unit comprises a mold closing hydraulic cylinder, a mold locking hydraulic cylinder, a first meshing hydraulic cylinder and a second meshing hydraulic cylinder; the mold closing hydraulic cylinder is a hydraulic cylinder of which the volumetric quantity is smaller than a first set value and the mold closing force is larger than a second set value; the mold closing hydraulic cylinder drives the movable mold p