Importance

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Abstract

Disclosed is a bar feeder, which is capable of reliably loading a bar onto a guide rail with a simplified structure. The bar feeder 1 comprises a stock rack 8, a guide rail 4 for guiding a bar to a bar machining apparatus, and a bar supply mechanism 32 for taking bars W one by one out of the stock rack 8 and supplying the taken-out bar W onto the guide rail 4. The bar supply mechanism 32 includes a lifting member 40 adapted to lift a downstreammost one of the bar W on the stack rack 8, a bar receiving member 42 adapted to receive thereon the lifted bar W and supply the bar W onto the guide rail 4, and a stopper member 36 adapted to holds a second-downstreammost one of the bar W to be subsequently supplied. The lifting member 40 and the bar receiving member 42 are adapted to be driven by a common moving device 44, in such a manner that the lifting member 40 is linearly moved in an upward-downward direction in conjunction with a swing movement of the bar receiving member 42. The structure designed to drive the lifting member 40 and the bar receiving member 42 by the common moving device 44 makes it possible to reduce the number of components for a driving section, and achieve structural simplification.

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First Claim