High-strength aluminum sand box mold convenient to demold

The utility model discloses a high-strength aluminum sand box mold convenient to demold, and belongs to the field of aluminum sand box molds. The high-strength aluminum sand box mold convenient to demold comprises a mold base and an upper plate fixedly installed at the upper end of the mold base, a demolding structure comprises a rotating shaft arranged in the mold base and a gear arranged on the outer side of the rotating shaft, the rotating shaft is externally connected with the output end of a motor, an ejector plate is arranged on one side of the rotating shaft, and teeth are evenly arranged on one side of the ejector plate. The problems that in the existing demolding process, demolding is tedious and inconvenient are solved, an operator starts the motor to enable the rotating shaft to rotate, at the moment, the gear rotates, the gear is in meshed connection with the teeth on one side of the ejection plate, and therefore the ejection plate can move upwards, demolding is convenient, and the demolding effic