Concrete slag removal machine

The invention relates to the technical field of slag removal machines, and discloses a concrete slag removal machine. The concrete slag removal machine comprises a cleaning box and two conveying devices, a motor protection box is fixedly connected to the back face of the cleaning box, an interlayer is fixedly connected to the interior of the cleaning box, a first cleaning mechanism, a second cleaning mechanism and an adjusting mechanism are arranged in the cleaning box, a dust baffle is hinged to the back face of the cleaning box, a dust collecting box is placed at the bottom of the inner wall of the cleaning box, and a taking and placing plate is fixedly connected to the back face of the dust collecting box. Through the arrangement of the first cleaning mechanism and the second cleaning mechanism, building materials conveyed into the cleaning box through the conveying devices are cleaned, concrete left on the surface of the building material is removed, the purpose of cleaning is achieved, compared with manu