JPS6385672U - - Google Patents
Info
- Publication number
- JPS6385672U JPS6385672U JP15943887U JP15943887U JPS6385672U JP S6385672 U JPS6385672 U JP S6385672U JP 15943887 U JP15943887 U JP 15943887U JP 15943887 U JP15943887 U JP 15943887U JP S6385672 U JPS6385672 U JP S6385672U
- Authority
- JP
- Japan
- Prior art keywords
- drive source
- rotational drive
- rotation
- sliver
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000835 fiber Substances 0.000 claims 5
- 238000009987 spinning Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
Landscapes
- Spinning Or Twisting Of Yarns (AREA)
Description
第１図は従来の練条機を示す概略構成図、第２
図及び第３図はギルの構成を示す模式図、第４図
は従来の斑記憶装置を示す模式図、第５図は本考
案第１実施例の練条機を表わす概略構成図、第６
図はその回転制御回路の詳細を表わすブロツク図
、第７図は同じくブレーキ信号ｈの出力されるタ
イミングと制御信号の電圧波形を示すグラフ、第
８図は本実施例においてドラフト率４とした場合
の制御信号、目標速度差信号を表わすグラフ、第
９図は第２モータ２４がフイードバツク制御され
て所定のドラフト率を保つよう制御される場合の
第２加算回路３３の出力である制御信号ｂ′を表
わすグラフ、第１０図は第１実施例の作用を説明
するグラフ、第１１図はフイードローラ対２３の
回転を一定とする場合の要部のブロツク図、第１
２図は本考案の第２実施例の回転制御回路を示す
ブロツク図、第１３図及び第１４図はその制御ブ
ロツク図、第１３図及び第１４図はその制御プロ
グラムのフローチヤート、第１５図は本考案第３
実施例を表わす模式図である。
１，２０…フイードローラ対、２，２３，２３
Ａ，２３Ｂ…フロントローラ対、３，２１…ギル
、４，４Ａ，４Ｂ…スライバー、２２…第１モー
タ、２４…第２モータ、２５…測定ローラ対、３
０…中央制御部、３４…第１インバータ、３５…
第２インバータ、５２…アナログメモリ。
Figure 1 is a schematic configuration diagram showing a conventional drawing machine, Figure 2
3 and 3 are schematic diagrams showing the configuration of the gill, FIG. 4 is a schematic diagram showing a conventional spot storage device, FIG. 5 is a schematic diagram showing the drawing machine of the first embodiment of the present invention, and FIG.
The figure is a block diagram showing the details of the rotation control circuit, FIG. 7 is a graph showing the output timing of the brake signal h and the voltage waveform of the control signal, and FIG. 8 is a graph when the draft rate is 4 in this embodiment. FIG. 9 shows the control signal b' which is the output of the second addition circuit 33 when the second motor 24 is controlled to maintain a predetermined draft rate by feedback control. 10 is a graph explaining the operation of the first embodiment. FIG. 11 is a block diagram of the main part when the rotation of the feed roller pair 23 is constant.
FIG. 2 is a block diagram showing the rotation control circuit of the second embodiment of the present invention, FIGS. 13 and 14 are control block diagrams thereof, FIGS. 13 and 14 are flowcharts of the control program, and FIG. 15 is the third invention
It is a schematic diagram showing an example. 1, 20...Feed roller pair, 2, 23, 23
A, 23B... Front roller pair, 3, 21... Gil, 4, 4A, 4B... Sliver, 22... First motor, 24... Second motor, 25... Measuring roller pair, 3
0... Central control unit, 34... First inverter, 35...
Second inverter, 52...analog memory.
Claims (1)
記スライバーを搬送するフイードローラ対と、 前記繊維加工部のスライバー搬送方向上流側に
てスライバーの太さ斑を検出する斑検出部と、 該斑検出部によつて検出されたスライバー太さ
斑を順次記憶する記憶部と、 フイードローラ対を駆動する第１の回転駆動源
と、 前記繊維加工部にて繊維のそろえられたスライ
バーを引き出しながら搬送するフロントローラ対
と、 フロントローラ対に駆動する第２の回転駆動源
と、 前記一方の回転駆動源の回転を、他方の回転駆
動源の回転に所定の回転速度比をもつて同期させ
、かつフロントローラ対より出力されるスライバ
ーの太さが一定となるよう前記記憶部に記憶され
たフライバー太さ斑に応じて前記二つの回転駆動
源の回転制御を行う回転制御回路と、 紡機の始動時に、前記第１の回転駆動源と前記
第２の回転駆動源とに出力される回転指令信号が
所定レベルになると、当該両駆動源に対する電磁
ブレーキの作動を同時に解除し、紡機の停止時に
、前記第１の回転駆動源と前記第２の回転駆動源
とに出力される回転指令信号が所定レベルになる
と、当該両駆動源に対し、電磁ブレーキの作動を
同時に開始する電磁ブレーキ制御回路とを、 備えたことを特徴とする紡機。[Claims for Utility Model Registration] A pair of feed rollers for conveying the sliver in a fiber processing section that aligns the fibers of the sliver, and an unevenness detection section that detects unevenness in the thickness of the sliver on the upstream side of the fiber processing section in the sliver conveyance direction. a storage unit that sequentially stores the sliver thickness unevenness detected by the unevenness detection unit; a first rotational drive source that drives the feed roller pair; and a sliver whose fibers are aligned in the fiber processing unit. a pair of front rollers that are conveyed while being pulled out; a second rotational drive source that drives the pair of front rollers; and the rotation of one of the rotational drive sources is synchronized with the rotation of the other rotational drive source at a predetermined rotational speed ratio. a rotation control circuit that controls the rotation of the two rotational drive sources in accordance with the thickness unevenness of the flybar stored in the storage unit so that the thickness of the sliver output from the front roller pair is constant; When the rotation command signal output to the first rotation drive source and the second rotation drive source reaches a predetermined level at the time of starting the spinning machine, the electromagnetic brakes for both drive sources are simultaneously released and the spinning machine is stopped. and an electromagnetic brake control circuit that simultaneously starts operating electromagnetic brakes for both the first rotational drive source and the second rotational drive source when a rotation command signal output to the first rotational drive source and the second rotational drive source reaches a predetermined level. A spinning machine characterized by being equipped with the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159438U JPH0322280Y2 (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159438U JPH0322280Y2 (en) | 1987-10-19 | 1987-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6385672U true JPS6385672U (en) | 1988-06-04 |
| JPH0322280Y2 JPH0322280Y2 (en) | 1991-05-15 |
Family
ID=31083871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159438U Expired JPH0322280Y2 (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322280Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5663023U (en) * | 1979-10-18 | 1981-05-27 |
-
1987
- 1987-10-19 JP JP1987159438U patent/JPH0322280Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5663023U (en) * | 1979-10-18 | 1981-05-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0322280Y2 (en) | 1991-05-15 |
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