Pellet collecting device of shot blasting machine

The utility model relates to the field of pellet collecting equipment, and discloses a pellet collecting device of a shot blasting machine, which comprises a material guide groove, a conveying mechanism, a material collecting box, a first conveying mechanism, a lifting mechanism, a second conveying mechanism, a separating mechanism and a dust collecting mechanism, the conveying mechanism is arranged on one side of the material guide groove, the material collecting box is arranged on one side of the conveying mechanism, and the dust collecting box is arranged on the other side of the conveying mechanism. A first conveying mechanism is arranged on one side of the material collecting box, a second conveying belt and a bearing box are driven by a third motor to carry and convey pellets entering the box body, and the pellets are lifted into the second conveying mechanism through a lifting mechanism; then a fourth motor arranged in a second conveying mechanism drives a second spiral blade to convey the pellets into