Heavy forging hydraulic press convenient for die replacement

The utility model relates to the field of hydraulic press equipment, in particular to a heavy forging hydraulic press with a die convenient to replace. The inner wall of the base is in sliding connection with a lower mold, the upper end of the base is fixedly connected with a downward pressing assembly, the inner wall of the downward pressing assembly is in sliding connection with an upper mold, and the inner walls of the base and the downward pressing assembly are fixedly connected with a pushing seat and a lower replacing mechanism; the lower die can be rapidly replaced through the connecting assembly, the guiding and positioning assembly can guide installation of the connecting assembly and prevent deflection, the connecting assembly is locked through the fixing mechanism and prevent loosening of fixation of the connecting assembly, the upper die can be rapidly replaced through the upper replacing mechanism, and follow-up machining can be carried out after replacement is completed. 本实用新型涉及液压机设备领域，具体的说是一种便于