JPH02116283U

JPH02116283U -

Info

Publication number: JPH02116283U
Application number: JP2321489U
Authority: JP
Priority date: 1989-03-01
Filing date: 1989-03-01
Publication date: 1990-09-18

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１〜３図は本考案を具体化した一実施例を示
し、第１図は斜視図、第２図は駆動機構の平面図
、第３図は駆動機構の作動状態を示す平面図、第
４図は糸巻装置の制御回路を示すブロツク図であ
る。３……駆動手段としての糸巻モータ、４……糸
巻軸、５……ボビン、１３……糸供給源、１７…
…検出手段としてのロータリーエンコーダ、２２
……制御手段としてのコントローラ。 1 to 3 show an embodiment embodying the present invention, FIG. 1 is a perspective view, FIG. 2 is a plan view of the drive mechanism, FIG. 3 is a plan view showing the operating state of the drive mechanism, and FIG. FIG. 4 is a block diagram showing the control circuit of the bobbin winding device. 3... A thread winding motor as a driving means, 4... A thread winding shaft, 5... A bobbin, 13... A thread supply source, 17...
...Rotary encoder as detection means, 22
...A controller as a control means.

Claims

【実用新案登録請求の範囲】ボビン５が着脱可能に装着され、ボビン５との
摩擦接触によつてボビン５を保持する糸巻軸４と
、この糸巻軸４を回転駆動することにより、糸供
給源１３から糸を繰り出させてその糸をボビン５
に巻回させる駆動手段３とを備えたミシンの糸巻
装置において、糸供給源１３からボビン５への糸の走行を検出
してその走行時に信号を発する検出手段１７と、前記検出手段１７からの信号に基づき、糸が走
行しなくなつた場合に前記駆動手段３を停止する
制御手段２２とを備えたことを特徴とするミシンの糸巻装置。[Claims for Utility Model Registration] A bobbin 5 is removably attached to the bobbin shaft 4, which holds the bobbin 5 through frictional contact with the bobbin 5, and by rotating the bobbin shaft 4, the thread supply source is Let the thread come out from 13 and transfer it to bobbin 5.
A thread winding device for a sewing machine is equipped with a drive means 3 for winding the thread around the bobbin 5, and a detection means 17 for detecting the running of the thread from the thread supply source 13 to the bobbin 5 and emitting a signal when the thread is running; A thread winding device for a sewing machine, comprising: a control means 22 for stopping the driving means 3 when the thread stops running based on a signal.