Z94 series core-shooting machine is widely used in the foundry workshops of automobile, sewing machine, tractor, farm machinery and other industries for its advantages of saving the cost of sand core, good permeability of sand core, smooth surface of low gas output castings, high precision and good mechanical properties, and more and more users accept it. This equipment is double-head, and can shoot two sets of mould at the same time. It can also be used alone. The ejector is movable, the EJECTOR is suspended on the guide rail by four rollers, the ejector chamber is combined by four pressure springs and the outer Shell, the moving ejector is driven by the cylinder 63x 675mm, and the ejector can be used in the process of adding sand, the sand shooting station runs back and forth. After the sand shooting chamber is pressed down, the sand shooting head and the core box can be pressed tightly.