Sand blasting machine

The utility model relates to tool surface treatment equipment, in particular to a sand blasting machine which comprises a machine shell, a cavity used for working is formed in the machine shell, and a spray gun used for conducting sand blasting treatment on the surface of a tool is arranged at the top end of the inner wall of the machine shell in a sliding mode. A machining table used for machining cutters is arranged at the bottom end of the inner wall of the machine shell in a sliding mode, a plurality of mounting holes allowing the cutters to be inserted therein are formed in the machining table, the mounting holes are formed in the upper surface of the machining table in an array mode, and the spray gun and the machining table slide in the horizontal direction. The sliding direction of the machining table is perpendicular to the sliding direction of the machining table, and when the cutters are inserted into the mounting holes, the spray gun penetrates through the gaps between the cutters. The spray gun a