Sand blasting material recovery device for sand blasting machine

The utility model relates to the technical field of sand blasting material recovery, and discloses a sand blasting material recovery device for a sand blasting machine, which comprises a recovery box, an interface for communication is arranged at the center of the top of the recovery box, a screening box is fixedly arranged above the recovery box, and the lower part of the screening box is communicated with the inside of the recovery box. A loading and unloading opening is formed in the front side wall face of the screening box, and a dismounting and mounting plate is mounted in the loading and unloading opening in a clamped mode. According to the novel screening device, through the arrangement of the dismounting and mounting isolation plate used for blocking and separating, when the two material guiding plates rotate, brush layers at the tail ends of the material guiding plates can scrape the inner wall face of a cavity of the screening box; in the sand discharging process, large-particle impurities mixed in