Through shot blasting cleaning machine of automatic trolley

The utility model discloses a through type shot blasting cleaning machine of an automatic trolley, which comprises a shot blasting cleaning machine main body consisting of a shot conveying device, a shot blasting device and a shot blasting chamber, wherein an inlet channel and an outlet channel are respectively at the two opposite sides of the shot blasting chamber, and a track which penetrates through the inlet channel and the outlet channel and extends out of the shot blasting chamber is arranged at the bottom of the shot blasting chamber; a main trolley and an auxiliary trolley which are mutually connected and move along the track are arranged on the track, and carrying rollers are rotatably connected on the main trolley and the auxiliary trolley; and the carrying roller on the main trolley is driven by a power device. The shot blasting cleaning machine also comprises a driving device which drives the main trolley and the auxiliary trolley to go into or out of the shot blasting chamber. The shot blasting c