Pipeline impurity cleaning device

The utility model relates to the technical field of pipeline cleaning, and provides a pipeline impurity cleaning device which comprises a device body, a driving motor and a supporting block, the driving motor is arranged in the device body, the supporting block is arranged on one side of the device body, a rotating block is arranged on one side of the supporting block, and a dismounting structure is arranged on one side of the rotating block. A cleaning brush is arranged on the outer side of the rotating block, an auxiliary structure is arranged at one end of the cleaning brush, and a recycling structure is arranged on the other side of the device body. According to the cleaning brush, the dismounting and mounting structure is arranged, the threaded pin is screwed out of the interior of the fixing hole, then clamping between the mounting groove and the mounting block is separated, the rotating block can be dismounted, the mounting block is clamped into the mounting groove, then the threaded pin is screwed int