Title:
COIL WINDING DEVICE AND COIL WINDING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/189381
Kind Code:
A1
Abstract:
This coil winding device (20) is provided with: a core material delivery means (21) for delivering, with a constant tension, a string-like core material (11) from a core material nozzle (22); a core material extracting means (50) for gripping the core material (11) delivered from the core material nozzle (22) and extracting the core material against the tension; a wire material delivery means (60) for delivering a wire material (12) from a direction crossing toward the core material (11) extracted from the core material nozzle (22); a rotary body (37) into which the core material nozzle (22) is fitted and which is rotatable around the core material nozzle (22); a guide member (86) that is provided eccentrically on the rotary body (37) and sandwiches, with the core material (11), the wire material (12) delivered from the wire material delivery means (60); and a rotating means (42) in which the guide member (86), which rotates the rotary body (37) to be rotated along with the rotary body (37), makes the wire material (12) rotate around the core material (11) in the vicinity of the core material nozzle (22).
Inventors:
SHIBUYA NAO (JP)
HIGETA YUJI (JP)
HIGETA YUJI (JP)
Application Number:
PCT/JP2020/010067
Publication Date:
September 24, 2020
Filing Date:
March 09, 2020
Export Citation:
Assignee:
NITTOKU CO LTD (JP)
International Classes:
B21F3/04; H01F41/04; H01F41/082
Foreign References:
| JPS53131959A | 1978-11-17 | |||
| JPS6261747A | 1987-03-18 | |||
| JP2018030171A | 2018-03-01 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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