High-efficiency low-pressure casting machine

The utility model relates to a high-efficiency low-pressure casting machine which comprises a casting body and a casting platform, the casting platform is arranged at the top of the casting body, a first locking assembly for locking the casting platform is arranged on the casting body, a boss is connected to the casting platform, at least two casting openings are formed in the boss, and the casting openings are communicated with the first locking assembly. A plurality of pouring ports are formed in the boss, a pouring base is arranged at each pouring port, the pouring bases cover the pouring ports, each pouring base is connected with a pouring cover, the pouring bases are connected with fasteners for fastening the pouring covers, and second locking assemblies for locking the pouring bases are arranged on the boss close to the two opposite side walls of the pouring bases respectively. The low-pressure casting machine has the effect of improving the quality of finished products of the low-pressure casting machi