Weiben intelligent electromechanical design of a cylinder in Kunming cylinder hydraulic fixture, the use of manual loading and unloading, in order to avoid the workpiece when the workpiece into the fixture and positioning caused by rigid impact, fixture equipped with automatic blanking device, by the order valve to ensure blanking action and folder Tighten the action of the order, the blanking mechanism and the workpiece for the flexible contact; blanking mechanism by the hydraulic valve control process to ensure that the workpiece and fixture positioning surface contact without damage.