Toroidal core winding machine
A technology of annular iron core and winding machine, which is applied in the direction of coil manufacturing, etc., can solve the problems of small diameter of annular iron core and narrowing of the outer diameter of annular iron core, etc.
Inactive Publication Date: 2007-02-28
NAGATA SEIKI
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Problems solved by technology
[0003] The winding machine of the annular iron core of above-mentioned form is owing to the crochet needle that rigid material is made maintains its shape and penetrates in the iron core hole of annular iron core, so can not make the iron core hole diameter of annular iron core smaller than the outer diameter of hook needle, in shrinking annular iron core There is a limit in the outer diameter of the coil, so there is a limit in the miniaturization of the toroidal coil formed by helically winding the metal wire around the toroidal core.
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Embodiment Construction
[0021] Embodiments of the present invention will be described below with reference to the drawings.
[0022] Fig. 1 shows a top view of the ring-shaped core winding machine of the present invention, the ring-shaped core winding machine 1 has: a metal wire supply device 2, a metal wire length setting device 3, a core supply device 4, a core rotating device 5, a hook pusher Device 6 (Fig. 3), wire winding device 7, hook driving device 8 (Fig. 2).
[0023] As shown in FIGS. 1 and 2 , the above-mentioned metal wire supply device 2 has: a bobbin 10 arranged on one side of the winding machine body 1 , an ultra-fine metal wire 11 wound on the bobbin 10 , and a wire drawn from the bobbin 10 . The tension adjustment unit 12 that applies tension to the wire 11, the wire pressing member 13 that holds the end of the wire 11 drawn out from the bobbin 10, and the wire pressing member 13 are arranged at the wire feeder The wire cutting tool 14 on the downstream side in the direction. The w...
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A toroidal core winding machine in which a wire is fed to one face of a toroidal core, the wire on the one face of a core hole is hooked by a crochet needle protruding / retracting from / in the core hole of the toroidal core when the crochet needle moves out, the wire is passed through the core hole when the crochet needle retracts, the toroidal core is turned in a plane generally parallel to the axis, and the passed wire is helically wound on a winding portion of the toroidal core thereby to form a toroidal coil. The crochet needle (30) has a spring hook (30a). A press device (6) for pressing the spring hook (30a) of the crochet needle (30) to the body is disposed above the toroidal cover (39). The winding machine can manufacture small-sized toroidal coil products.
Description
technical field [0001] The invention relates to a winding machine capable of forming a ring core of a small ring coil. Background technique [0002] In JP-A-63-161606, there is described a winding machine for an annular core, that is, a wire is supplied on one side of an annular core rotatably held in the circumferential direction, and a winding machine along the annular core is used. The crochet needle that moves forward and backward along the axis of the iron core hole. When the crochet needle stretches out, it catches the metal wire on one side of the annular iron core. It rotates in a plane approximately parallel to its axis and is wound helically around the toroidal core to form a toroidal coil. [0003] The winding machine of the annular iron core of above-mentioned form is owing to the crochet needle that rigid material is made maintains its shape and penetrates in the iron core hole of annular iron core, so can not make the iron core hole diameter of annular iron co...
Claims
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IPC IPC(8): H01F41/08
CPCH01F41/08
Inventor 小田武一
Owner NAGATA SEIKI