Die set fixing structure facilitating die set replacement

The utility model discloses a mould base fixing structure convenient for mould base replacement, which comprises a supporting table, a limiting piece and a mould base, the supporting table comprises a supporting table, the supporting table is horizontally arranged, screw holes are symmetrically arranged on the vertical end surfaces of the two sides of the supporting table, a supporting column is vertically fixed on the bottom surface of the supporting table, and the limiting piece comprises a fixing seat. The fixing base is arranged on the top face of the supporting table and assembled in a screw hole of the supporting table through a bolt in a threaded mode, an inserting barrel is vertically fixed to the top face of the fixing base, a sliding strip is horizontally fixed to one side of the fixing base, a sliding frame is horizontally and slidably installed on the sliding strip, and a limiting column is vertically and slidably installed on the top face of the sliding frame in a penetrating mode. According to t