Suspension type dust-free shot blasting machine

The invention relates to the technical field of shot blasting machine equipment, in particular to a suspension type dust-free shot blasting machine which comprises a shot blasting chamber, a lifting hook is arranged at the top of the shot blasting chamber, a shot blasting device is arranged on the side wall of the shot blasting chamber, the shot blasting device comprises a machine shell fixedly installed on the side wall of the shot blasting chamber, a shot blasting opening is formed in the machine shell, and an impeller is rotationally installed in the machine shell. The impeller comprises two rotating discs arranged in parallel, a circular magnetic plate is fixed in the machine shell, and a first non-magnetic area is arranged on the magnetic plate. The continuous impact and abrasion of the bullets on the inner wall of the machine shell when the bullets rotate and are transported are reduced in a magnetic attraction mode before the bullets are thrown out, the service life of the inner wall of the machine she