TAPE FEEDER, COMPONENT MOUNTING APPARATUS AND COMPONENT FEEDING METHOD

摘要

There is provided a tape feeder that feeds a carrier tape to supply components to a component suction position for a mounting head in a component mounting apparatus. The tape feeder includes a first tape feed mechanism which is provided in a downstream side and feeds a preceding tape to the component suction position, and a second tape feed mechanism provided in an upstream side and feeds a following tape from a tape introducing port side toward the first tape feed mechanism. The tape feeder also includes a tape slipping-off informing unit which informs the component mounting apparatus that the following tape is slipped off from the second tape feed mechanism. For example, the tape slipping-off informing unit decides that the following tape is slipped off when a rotation of a sprocket of the second tape feed mechanism in an opposite direction is detected.

主权项

1. A tape feeder that feeds a carrier tape in which components are accommodated on a pitch by pitch basis to supply the components to a component suction position for a mounting head in a component mounting apparatus which picks up, holds and mounts the components on a board by the mounting head, the tape feeder comprising:
a tape running path provided and communicated from a tape introducing port opened in an upstream end part in a tape feeding direction in a feeding on the pitch by pitch basis to the component suction position to guide the carrier tape on the tape running path; a first tape feed mechanism which is provided in a downstream side in the tape running path and feeds a preceding tape which is firstly fed of two carrier tapes introduced from the tape introducing port in tandem on the pitch by pitch basis to the component suction position; a second tape feed mechanism provided in an upstream side in the tape running path and feeds a following tape which is subsequently fed of the two carrier tapes in tandem from the tape introducing port side toward the first tape feed mechanism; and a tape slipping-off informing unit which informs the component mounting apparatus that the following tape is slipped off from the second tape feed mechanism, wherein the second tape feed mechanism includes a sprocket which allows a plurality of feed pins provided on an outer peripheral surface of the sprocket to be fitted in feed holes of the carrier tape to feed the carrier tape in a state where the sprocket is engaged with the carrier tape by rotating the sprocket in a normal direction so as to feed the carrier tape, and a rotation detecting unit which detects a rotation of the sprocket, and the tape slipping-off informing unit decides that the following tape is slipped off from the second tape feed mechanism in accordance with a detection of a rotation of the sprocket in an opposite direction to the normal direction by the rotating detecting unit and informs the component mounting apparatus that the tape is slipped off from the second tape feed mechanism.