Hot-dip aluminum and zinc processing pretreatment device

The utility model discloses a hot dip aluminum and zinc processing pretreatment device which comprises an operation box, cleaning assemblies are fixedly arranged on one side of the top end of the operation box and one side of the bottom end of the operation box, each cleaning assembly comprises two fixing plates, and a cleaning brush is rotationally arranged between the two fixing plates. According to the pretreatment device for hot-dip aluminum and zinc plating, the two cleaning brushes are driven by the two servo motors to rotate, so that the surface of strip steel is primarily cleaned, dirt remaining on the surface of the strip steel is removed, degreasing fluid is guided into the annular pipe and sprayed out through the high-pressure spray heads, and the surface of the strip steel is cleaned. The two L-shaped oil absorption sponges are used for carrying out further degreasing treatment on the surface of the strip steel, so that grease on the surface of the strip steel is thoroughly cleared away, and the p