Patent attributes
A spring manufacturing apparatus 100 comprises: a wire feeder 300; a wire guide 320 for guiding the wire; tool units 400B and 400D, a plurality of which can be slidable toward a spring forming space; a grip unit 500 having face-to-face fingers arranged to be adjacent to an end portion of the wire guide for gripping part of an yet-to-be-cut spring that has been formed primarily into a partially finished shape in the spring forming space; grip driving units 520 and 530 for executing reciprocal motion of the grip unit which is parallel to the wire axis line and rotational motion of the grip unit on the wire axis line; and an arm unit 540 extended forward from the forming table for holding the grip unit and grip driving unit through a holder 550 fixed to the end portion of the arm.