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Title:
COIL WINDING DEVICE AND COIL WINDING METHOD
Document Type and Number:
WIPO Patent Application WO/2020/196181
Kind Code:
A1
Abstract:
A coil winding device (20) comprising: a core material nozzle (22) which is cylindrical and into which narrowed core material (11) can be inserted; a wire material dispensing part (60) which dispenses wire material (12) toward the core material nozzle (22); a wire material gripping tool (90) which grips the wire material (12) dispensed from the wire material dispensing part (60); a wire material winding means which rotates the wire material gripping tool (90) around the core material nozzle (22) and winds the wire material (12) dispensed from the wire material dispensing part (60) onto a circumference of the core material nozzle (22); a core material withdrawing part (50) which withdraws the core material (11) from the core material nozzle (22); and a coil extracting part (62) which extracts a coil winding (9), formed by winding the wire material (12) onto an outer circumference of the core material nozzle (22), from said core material nozzle (22).

Inventors:
SHIBUYA NAO (JP)
HIGETA YUJI (JP)
Application Number:
PCT/JP2020/012077
Publication Date:
October 01, 2020
Filing Date:
March 18, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NITTOKU CO LTD (JP)
International Classes:
B21C47/02; A24F40/46; A24F40/70; B21F3/04; B65H54/02; B65H57/12; H05B3/10; H05B3/46
Foreign References:
JP2016503647A2016-02-08
JPS50101268A1975-08-11
JPS4940679Y11974-11-08
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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