Wood board defect visual detection device

The utility model provides a wood board defect visual inspection device which comprises a feeding truss manipulator used for obtaining wood boards one by one from a to-be-inspected board stack in thevertical direction, lifting the wood boards to the transportation height in the vertical direction, transporting the wood boards to the transverse position of a feeding position in the transverse direction, and then lowering the wood boards to the feeding position; the visual shooting detection mechanism is used for obtaining the wood board from the feeding position and clamping the wood board, transporting the wood board to the shooting position, and transporting the wood board to the discharging position after shooting is completed; the discharging truss manipulator is used for obtaining thewood boards from the discharging position, lifting the wood boards to the transporting height in the vertical direction, transporting the wood boards to the transverse position of the detected boardstack in the transverse dir