| 摘要 |
A board turner is intended for use on a conveyor for transporting large volumes of boards. The conveyor defines a plane for carrying boards and the board turner has a rotation unit and a gripping unit mounted on the rotation unit. The gripping unit has an open position and a closed position and is switchable between these positions in response to a signal from a sensor. In the open position, the gripping unit rotates past the carrying plane without making contact with the synchronously arriving board. A signal from the sensor switches the gripping unit between the open position and the closed position while the gripping unit grips two opposite surfaces of a sideways extending part of the board and continues to rotate above the belt conveyor in order to turn the board in this way.
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