| 摘要 |
A turning mechanism includes a disc-shaped rotatable carriage comprising receptacles spaced around an edge, each receptacle being adapted to receive one of polarized electronic component and including an air channel; a turn channel projecting out of the edge of the carriage, the turn channel being arc and comprising an inlet communicating with one receptacle and including a first sensor, and an outlet communicating with another receptacle and including a second sensor; an auxiliary air passageway proximate to the first sensor and projecting inward out of the turn channel, the auxiliary air passageway communicating with the turn channel and comprising an air outlet; and a polarity detector disposed externally of the carriage and being proximate to the inlet, the polarity detector being adapted to detect polarity of the polarized electronic component proximate thereto. |
