Hydraulic floating type balanced pressing device

The invention relates to the technical field of thin-wall blank precision casting machining tools, in particular to a hydraulic floating type balanced pressing device. Component clamping of the hydraulic floating type balanced pressing device is simple and convenient, components cannot deform, and safety and stability are good. The hydraulic floating type balanced pressing device comprises a bottom plate, and the bottom plate is provided with a supporting structure and a pressing structure. The hydraulic floating type balanced pressing device is characterized in that the supporting structure comprises a positioning supporting plate and positioning supporting shafts; the pressing structure comprises side pressing mechanisms arranged on the two sides of the bottom plate, and each side pressing mechanism comprises a pull shaft penetrating the bottom plate; an oil cylinder is arranged at the bottom of the part, between the two pull shafts, of the bottom plate, a piston rod of the oil cylinder is hinged to the pos