Concrete sandstone separator

The utility model provides a concrete gravel separator which comprises a separator body, a feeding port is formed in the outer surface of one side of the separator body, a first discharging port is formed in the outer surface of the other side of the separator body, and a plurality of air cylinder boxes are arranged on the outer surface of the top end of the separator body; and a fixing mechanism is arranged in the separator main body. According to the concrete sandstone separator, the separating mechanism can separate sandstones, the connecting rod is driven to move through the separating box, the material guiding block, the connecting base and the fixing piece which are arranged, the air cylinder drives the connecting rod to move so as to drive the separating box to move up and down, the sandstones in the separating box can be separated, and through the guiding block and the guiding rod which are arranged, the separating mechanism can separate the sandstones. According to the sand-stone separator, the separ