Flexible filtering end socket casting mold

The utility model relates to a flexible filtering end socket casting mould which is easy to demould and free of mould seams on a formed product. The flexible filtering end socket casting mould is composed of a flexible end socket lower mould and a flexible end socket upper mould, wherein the flexible end socket upper mould is positioned on an annular boss on the wall of the flexible end socket lower mould; a second-stage annular boss is arranged in the middle of the bottom of the flexible end socket lower die, a die drawing hole is formed in the center of the second-stage annular boss, an annular boss is arranged on the wall of the flexible end socket lower die, and an annular groove is formed between the annular boss and the second-stage annular boss; the flexible end socket upper die is of an annular structure. The mold has the advantages that the mold for manufacturing the filter element end socket is flexible, so that a cast product can be easily demolded through flexible deformation, the molded product h