Wood board plane detection device

The utility model relates to the technical field of plank plane detection, in particular to a plank plane detection device which comprises a base and a top plate, the base is fixedly connected with the top plate through a supporting column, a feeding mechanism is arranged above the base, and the upper surface of the top plate is fixedly connected with a material box, a first support and a second support. A wood plate is placed in the material box, a cleaning mechanism is arranged in the first support, an air cylinder is fixedly connected to the interior of the second support, a conveying roller is arranged in the top plate, and the conveying roller is connected with an external power source. The motor drives the cam to rotate, the cam drives the rolling wheel to move, the rolling wheel drives the supporting rod to move, the supporting rod drives the pin rod to move, the pin rod drives the sliding block to slide, the sliding block drives the material shifting plate to move, the material shifting plate rightwar