Blast cleaning device

The utility model discloses a bore cleaning device which comprises a box body, a power mechanism, a pressing mechanism, a cleaning rod and at least one driving roller, the pressing mechanism comprisesa rotating handle, a parallelogram connecting rod assembly and eccentric rollers in one-to-one correspondence with the driving rollers, and the rod part of the cleaning rod is placed between the driving rollers and the eccentric rollers. A cleaning brush is mounted at the head of the cleaning rod. The power mechanism drives the driving roller to rotate, the rotating handle and the parallelogram connecting rod assembly are used for pressing the eccentric roller downwards, the rod portion of the cleaning rod is clamped between the eccentric roller and the driving roller, and the rolling friction force drives the cleaning rod to move back and forth in the axis direction of the bore. And the cleaning brush is used for cleaning the inner wall of the bore. The bore cleaning device is convenientto use, the cleaning rods