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Title:
PIECING MECHANISM, YARN WINDING DEVICE AND PIECING METHOD
Document Type and Number:
Japanese Patent JP2017088366
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a piecing mechanism, a yarn winding device and a piecing method capable of stably piecing yarn, by eliminating looseness of yarn when piecing yarn.SOLUTION: A piecing mechanism 100 for piecing a yarn end of a needle thread YA and a yarn end of a bobbin thread YB, comprises: a piecing part 50; a bobbin thread capture device 7 having a suction port 7a for capturing the yarn end of the bobbin thread YB and movably constituting the suction port 7a between a capture position positioned on one side of the piecing part 50 and a first position P1 positioned on the other side of the piecing part 50; a bobbin thread holding part 60B arranged on one side of the piecing part 50 and holding the yarn end; a bobbin thread cutting part 70B arranged on the other side of the piecing part 50 and between the piecing part 50 and the first position P1 and cutting the yarn end; and a tension addition mechanism 110 for adding tension to the yarn end between the bobbin thread holding part 60B and the bobbin thread cutting part 70B by acting on the yarn end on the first position P1 side more than at least the bobbin thread holding part 60B.SELECTED DRAWING: Figure 8

Inventors:
HAMACHI YUJI
Application Number:
JP2015223309A
Publication Date:
May 25, 2017
Filing Date:
November 13, 2015
Export Citation:
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Assignee:
MURATA MACHINERY LTD
International Classes:
B65H69/06; B65H67/08
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Kenichi Shibayama
Ryosuke Yasuda