Shot-sand separator for horizontal shot blasting machine

The utility model discloses a shot-sand separator for a horizontal shot blasting machine, which belongs to the technical field of shot blasting machines and comprises an outer box body, a sand body guide pipe is connected to one side of the outer box body, a shot body guide pipe is connected to the sand body guide pipe, an inner box body is arranged above the shot body guide pipe and located in the outer box body, and a plurality of through holes are formed in the inner box body; the lifting assembly is arranged, when shot sand needs to be separated, a rotating rod is rotated firstly, the rotating rod rotates to drive a first gear to rotate, the first gear rotates to drive a second gear to rotate, the second gear rotates to drive a threaded column to rotate, then a threaded sleeve can be driven to move upwards, and the threaded sleeve moves upwards to drive a pushing sleeve to move upwards; according to the shot sand separation device, the fixed disc can be driven to move upwards, then the dust collection mec