Cooling structure of injection mold

The utility model discloses an injection mold cooling structure which comprises a machine body, and a mold seat is assembled on the top side in the machine body; a partition plate located below the mold base is assembled on the inner side of the machine body and divides an inner cavity of the machine body into an upper cavity and a lower cavity, and a first pump base and a second pump base are fixedly installed on the two outer walls of the lower half side of the machine body correspondingly. The first pump seat and the second pump seat are respectively communicated with the upper half cavity on the inner side of the machine body through a drain pipe and a water inlet pipe, and a pipe seat is also assembled between the first pump seat and the second pump seat; according to the injection mold cooling structure, through arrangement of all assemblies on the inner side of the machine body, when the mold base needs to be cooled, liquid in the pipe base can be conveyed into a cavity in the upper half portion of the