The utility model relates to the technical field of blow molding machines, and provides a hollow parison die device for a blow molding machine, comprising a machine body with an inner cavity provided with a first guide inclined surface; an outer mold slidably arranged in the first guide inclined surface and provided with a second guide inclined surface, after the outer mold slides, the first guide inclined surface abuts against the second guide inclined surface, the outer mold is provided with a mold cavity, and the mold cavity is used for communicating with the inner cavity; an inner mold arranged in the inner cavity and located in the mold cavity, the inner mold is arranged concentrically with the inner cavity, and after the second guide inclined surface abuts against the first guide inclined surface, the mold cavity is arranged concentrically with the inner mold. Through the technical scheme, the problem of non-concentricity of the inner mold and the outer mold caused by installation errors in the prior art is solved.
Country Code: CN
Application Number: CN202420636610.X
