Blackboard cleaning device with good cleaning effects

The invention discloses a blackboard cleaning device with good cleaning effects. The blackboard cleaning device comprises a blackboard, the left side and the right side of the front of the blackboardare fixedly connected with fixing boards, one side, far away from the blackboard, of each fixing board is provided with a through groove, two rotating rods are arranged inside the through grooves andfixedly connected with each other through a cleaning roller, and one side, far away from the blackboard, of each fixing board is fixedly connected with a fixing block which is positioned on the upperportion of the corresponding rotating rod. By cooperation of the rotating rods, the cleaning roller, a rotating shaft, pulleys, a connecting block, a cleaning motor, a cleaning rotating shaft, a cleaning bearing, a cleaning rope, a water tank, a water passing pipe, a sprayer, a supporting plate, a sliding rail, a slider, a cleaning plate and a cleaning brush, the blackboard cleaning effects are ideal. When the blackboard is