Automobile hub low-pressure die with efficient cooling structure

The utility model relates to the technical field of automobile manufacturing, in particular to an automobile hub low-pressure die with an efficient cooling structure, which not only can automatically smear a release agent into a lower die and an upper die, but also reduces the waste of the release agent, and is convenient to use, low in labor intensity and high in economical efficiency and practicability. Comprising a bottom plate, a lower mold, an upper mold and a pouring pipe, the lower mold is fixedly installed on the bottom plate, cavities are formed in the lower mold and the upper mold, the lower mold and the upper mold are used in a matched mode, the pouring pipe is installed on the upper mold, the pouring pipe is communicated with the cavity of the upper mold, and a valve is arranged on the pouring pipe; the hub oiling device further comprises an oiling sponge, an oil supply device, a moving device, a lifting device and a vacuum device, the vacuum device is installed on the bottom plate, the vacuum dev