JPS6319340Y2 - - Google Patents
Info
- Publication number
- JPS6319340Y2 JPS6319340Y2 JP13576582U JP13576582U JPS6319340Y2 JP S6319340 Y2 JPS6319340 Y2 JP S6319340Y2 JP 13576582 U JP13576582 U JP 13576582U JP 13576582 U JP13576582 U JP 13576582U JP S6319340 Y2 JPS6319340 Y2 JP S6319340Y2
- Authority
- JP
- Japan
- Prior art keywords
- weft
- yarn
- main nozzle
- pressure
- weft insertion
- 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.)
- Expired
Links
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Looms (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、流体ジエツト式織機の緯入制御装
置、更に詳しくは、給糸体から供給される緯糸を
測長貯留し、これをメインノズルから噴出される
ジエツト流に乗せて経糸の開口中に挿入する際の
緯入速度を理想的状態に保持することができる新
装置に関するものである。[Detailed description of the invention] [Industrial application field] The present invention is a weft insertion control device for a fluid jet type loom, and more specifically, a weft yarn supplied from a yarn feeder is measured and stored, and the weft is transferred to a main nozzle. The present invention relates to a new device that can maintain the weft insertion speed at an ideal state when inserting the warp threads into the shedding on the jet flow ejected from the warp threads.
一般に流体ジエツト式織機は、緯糸の緯入速度
が変動し易く、緯入速度が早過ぎて到達タイミン
グが過進乖離（fast wrong）すると、開口中に
挿入される緯糸先端に曲りが生じて織機が停止さ
れ、逆に緯入速度が低下して到達タイミングが遅
延乖離（slow wrong）すると、緯糸の送り込み
不足が生じてシヨートピツクで織機が停止される
などの支障を生ずるため、一定の緯入到達タイミ
ングを正確に保持する必要がある。
In general, in a fluid jet type loom, the weft insertion speed of the weft tends to fluctuate, and if the weft insertion speed is too early and the arrival timing is fast wrong, the tip of the weft inserted into the shedding will be bent and the loom will If the weft is stopped and the weft insertion speed decreases, causing a slow error in the arrival timing, the weft will not be fed enough and the loom will stop due to shot pick, causing problems such as stopping the weft at a certain point. Timing must be kept accurate.
そのため、従来では、第１図に示すように、給
糸体１から供給される緯糸Ｗを測長して緯糸貯留
装置２に待機させ、圧力源４からの加圧流体をメ
カバルブ５により一定の緯入タイミングでメイン
ノズル３から噴出させるにあたり、前回の緯糸到
達タイミングをセンサー６で検出する一方、クラ
ンク軸７のタイミングをピツクオフ８を介して検
出し、その誤差をコンパレータ９を介して圧力制
御弁１３に帰還させ、メインノズル３からの噴出
圧の調節により、緯入到達タイミングの齟齬を修
正するシステムが提案されるに至つた（例えば、
特開昭56−107046号参照）。 Therefore, conventionally, as shown in FIG. 1, the length of the weft W supplied from the yarn supplying body 1 is measured and the weft storage device 2 is placed on standby, and the pressurized fluid from the pressure source 4 is supplied to the mechanical valve 5 at a constant level. When ejecting from the main nozzle 3 at the weft insertion timing, the previous weft arrival timing is detected by the sensor 6, the timing of the crankshaft 7 is detected via the pick-off 8, and the error is detected via the comparator 9 and sent to the pressure control valve. 13 and adjusting the jet pressure from the main nozzle 3, a system has been proposed that corrects the discrepancy in the timing of arrival at weft insertion (for example,
(Refer to Japanese Patent Application Laid-open No. 107046/1983).
ところが、かゝる制御システムは、既に挿入さ
れた緯糸の緯入速度に基いて、次のピツク時に挿
入される緯糸の緯入速度をフイードバツク制御す
る方式であるところから、例えば、給糸体中にあ
る「結び玉」や「糸ムラ」、用尽された給糸体か
ら新しい太径の給糸体に交換される際に発生する
急激な給糸状態の変化等に追従し得ず、相変わら
ず織機の停止や緯入障害を誘発していたのであ
り、実際上、問題の解決手段とはなり得なかつた
のである。 However, such a control system uses feedback control to control the weft insertion speed of the weft yarn to be inserted at the next pick based on the weft insertion speed of the weft yarn that has already been inserted. Unable to keep up with the "knot balls" and "uneven threads" that occur, as well as sudden changes in yarn feeding conditions that occur when a used yarn feeder is replaced with a new, larger diameter yarn feeder, etc. This caused the loom to stop and weft insertion problems, and could not actually be a solution to the problem.
本考案は、上記従来の緯入制御システムとは全
く発想を異にするもので、換言すると、緯糸到達
タイミングを直接検知して、それに基づきフイー
ドバツク制御するシステムを廃止して、代わりに
給糸体から緯糸貯留装置に至る緯糸張力を制御信
号として用い、緯入に先立つてメインノズルの噴
出圧を設定することにより、前述の急激な給糸状
態の変化にも即時対応することができる実用的な
緯入制御装置を提供することを技術的課題とする
ものである。 The present invention is completely different in concept from the conventional weft insertion control system described above.In other words, the system that directly detects the weft arrival timing and performs feedback control based on it is abolished, and instead, By using the weft tension from the weft to the weft storage device as a control signal and setting the ejection pressure of the main nozzle prior to weft insertion, this is a practical system that can immediately respond to sudden changes in the yarn feeding state. The technical problem is to provide a weft insertion control device.
本考案者が上記技術的課題を解決するために採
用した手段を、添附図面を参照して説明すれば、
次のとおりである。
The means adopted by the present inventor to solve the above technical problem will be explained with reference to the attached drawings.
It is as follows.
即ち、本考案は、給糸体１から供給される緯糸
Ｗを測長して緯糸貯留装置２に待機させ、緯入タ
イミング時に供給される加圧流体をメインノズル
３から噴出させることにより、緯糸Ｗを開口せる
経糸間に挿入する従来周知のジエツト式織機に装
備する緯入制御装置であつて、
給糸体１から緯糸貯留装置２に至る緯糸の張力
を測定するセンサー手段１０と；前記メインノズ
ル３に至る加圧流体流路に配置され、メインノズ
ルから噴出される加圧流体噴出圧を設定する設定
手段１１と；前記センサー手段１０からの検出信
号を受け、上記噴出圧を設定手段１１を作動させ
る制御信号を出力する制御手段１２とを採用した
点に要旨が存する。 That is, in the present invention, the length of the weft yarn W supplied from the yarn supplying body 1 is measured, the weft yarn storage device 2 waits, and the pressurized fluid supplied at the weft insertion timing is ejected from the main nozzle 3. This is a weft insertion control device installed in a conventionally well-known jet type loom, which is inserted between the warp yarns to open the W, and includes a sensor means 10 for measuring the tension of the weft yarn from the yarn supplying body 1 to the weft yarn storage device 2; a setting means 11 disposed in the pressurized fluid flow path leading to the nozzle 3 and setting the ejection pressure of the pressurized fluid ejected from the main nozzle; a setting means 11 that receives a detection signal from the sensor means 10 and sets the ejection pressure; The gist lies in the adoption of the control means 12 which outputs a control signal for activating.
以下、本考案をその具体例を示す添附図面にし
たがつて詳述する。
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings showing specific examples thereof.
第２図はエアジエツト式織機に本考案を適用し
た場合を示すブロツク図で、給糸体１から供給さ
れる緯糸Ｗは測長され、緯糸貯留装置２に待機す
る一方、圧力源４からの加圧空気をメカバルブ５
により一定の緯入タイミングでメインノズル３か
ら噴出させることにより、開口せる経糸間に緯糸
を挿入する構成を備えており、かゝる構成は従来
公知である。 FIG. 2 is a block diagram showing a case in which the present invention is applied to an air jet type loom. The weft W supplied from the yarn supplying body 1 is measured in length and waits in the weft storage device 2, while being applied from the pressure source 4. Mechanical valve 5 for pressurized air
The weft yarn is ejected from the main nozzle 3 at a constant weft insertion timing to insert the weft yarn between the warp yarns to be opened, and such a configuration is conventionally known.
本実施例装置は、上記従来周知のエアジエツト
式織機に配設されており、給糸体１から緯糸貯留
装置２に至る緯糸の張力を検出するセンサー手段
１０を配置する一方、メカバルブ５からメインノ
ズル３に至る流路に圧力制御弁１３を配置し、前
記センサー手段１０からの張力信号を制御手段１
２を介して適当な制御信号に調整し、この制御信
号に基づき、圧力変更機構１４を介して圧力制御
弁１３を調節し、上記緯糸張力に見合う適当な噴
出圧に設定するように構成してある。 The device of this embodiment is installed in the above-mentioned conventionally known air jet type loom, and is equipped with a sensor means 10 for detecting the tension of the weft from the yarn feeder 1 to the weft storage device 2. A pressure control valve 13 is disposed in the flow path leading to the sensor means 10, and the tension signal from the sensor means 10 is transmitted to the control means 1.
2 to an appropriate control signal, and based on this control signal, the pressure control valve 13 is adjusted via the pressure changing mechanism 14 to set an appropriate ejection pressure corresponding to the weft tension. be.
本実施例装置は概ね上記のように構成される
が、本考案は前述の実施例に限定されるものでは
決してなく、「実用新案登録請求の範囲」の記載
内で種々の設計変更が可能であることは云うまで
もないのであつて、例えば上記圧力制御弁１３お
よび圧力変更機構４からなる噴出圧設定手段１１
としては第３図に示すように、制御手段１２とし
て駆動アンプ１５から成るものを用い、この駆動
アンプ１５からの制御信号により、まず電磁空気
圧力弁１６を作動させ、そして、そのパイロツト
圧によつて制御される外部パイロツト式レギユレ
ータ１７によりメインタンク１８のメイン圧を設
定するように構成することもできるし、制御信号
により直接電磁式圧力制御弁１３を調節するよう
な構成を採用することもできる。たゞし、緯糸張
力と噴出設定圧との関係を緯糸種、織物種に応じ
て予じめデータ化しておき、そのデータを基礎と
して、上記制御システムを運用する必要がある。
通常、緯糸張力の増大に伴い、噴出圧を減少させ
る一方、緯糸張力の減少に伴い、噴出圧を増大さ
せれば、緯入速度は一定になる傾向が存在する。 Although the device of this embodiment is generally constructed as described above, the present invention is by no means limited to the above-mentioned embodiment, and various design changes are possible within the scope of the "claims for utility model registration." It goes without saying that there is, for example, the ejection pressure setting means 11 consisting of the pressure control valve 13 and the pressure change mechanism 4.
As shown in FIG. 3, a drive amplifier 15 is used as the control means 12, and a control signal from the drive amplifier 15 first operates an electromagnetic pneumatic pressure valve 16, and then the pilot pressure is used to operate the electromagnetic air pressure valve 16. The main pressure of the main tank 18 can be set by an external pilot type regulator 17 controlled by the control signal, or a configuration can be adopted in which the electromagnetic pressure control valve 13 is directly adjusted by a control signal. . However, it is necessary to convert the relationship between the weft tension and the ejection set pressure into data in advance according to the weft type and fabric type, and operate the above-mentioned control system based on this data.
Normally, if the ejection pressure is decreased as the weft tension increases, while the ejection pressure is increased as the weft tension decreases, the weft insertion speed tends to remain constant.
以上実施例をもつて説明したとおり、本考案を
適用して構成流体ジエツト式織機にあつては、緯
糸張力を測定するセンサー手段、メインノズルか
ら噴出すべき加圧流体の噴出圧を設定する設定手
段、および同設定手段を作動させる制御手段から
成る緯入制御装置が配設されているので、メイン
ノズルより噴射移送される緯糸は、仮令、給糸体
からの緯糸貯留装置に至る経路において緯糸張力
の変化があつたとしても、当該緯入れ開始以前に
ノズルの噴出圧が適正な値に調節されることにな
るため、常に実質的に一定な緯入速度が保障さ
れ、その到達タイミングも所定のタイミングと齟
齬することがなく、したがつて、織機の停止なら
びに織布の緯入欠陥等を生起する惧れがない。こ
れは流体ジエツト式織機にとつては誠に好ましい
作動状態を実現することを意味し、製織能率の一
層の向上を齎すものである。
As explained above with the embodiments, in the case of a component fluid jet type loom to which the present invention is applied, there is a sensor means for measuring the weft tension, and a setting for setting the ejection pressure of the pressurized fluid to be ejected from the main nozzle. and a control device for operating the setting means, the weft yarn injected and transferred from the main nozzle is controlled to be a weft yarn on the path from the yarn feeder to the weft storage device. Even if there is a change in tension, the jet pressure of the nozzle is adjusted to an appropriate value before the start of weft insertion, so a substantially constant weft insertion speed is always guaranteed, and the timing at which it reaches it is also fixed. Therefore, there is no risk of the loom stopping or weft insertion defects of the woven fabric. This means that the fluid jet type loom realizes a very favorable operating condition, and brings about a further improvement in weaving efficiency.
第１図は従来の緯入制御システムを示すブロツ
ク図、第２図は本考案に係る実施例装置の概略を
表わすブロツク図、第３図は他の実施例を表わす
ブロツク図である。
１……給糸体、２……緯糸貯留装置、３……メ
インノズル、１０……張力センサー手段、１１…
…噴出圧設定手段、１２……制御手段。
FIG. 1 is a block diagram showing a conventional weft insertion control system, FIG. 2 is a block diagram showing an outline of an embodiment of the apparatus according to the present invention, and FIG. 3 is a block diagram showing another embodiment. DESCRIPTION OF SYMBOLS 1... Yarn feeder, 2... Weft storage device, 3... Main nozzle, 10... Tension sensor means, 11...
... Ejection pressure setting means, 12... Control means.
Claims (1)
貯留装置２に待機させ、緯入タイミング時に供給
される加圧流体をメインノズル３から噴出させる
ことにより、緯糸Ｗを開口せる経糸間に挿入する
流体ジエツト式織機に配設されるものであつて、 給糸体１から緯糸貯留装置２に至る緯糸の張力を
測定するセンサー手段１０と；前記メインノズル
３に至る加圧流体流路に配置され、メインノズル
から噴出される加圧流体噴出圧を設定する設定手
段１１と；前記センサー手段１０からの検出信号
を受け、上記噴出圧を設定手段１１を作動させる
制御信号を出力する制御手段１２とから構成され
ることを特徴とした流体ジエツト式織機の緯入制
御装置。[Scope of Claim for Utility Model Registration] By measuring the length of the weft yarn W supplied from the yarn supplying body 1 and keeping it on standby in the weft storage device 2, pressurized fluid supplied at the weft insertion timing is ejected from the main nozzle 3. , a sensor means 10 for measuring the tension of the weft yarn from the yarn supplying body 1 to the weft storage device 2, which is installed in a fluid jet type loom that is inserted between the warp yarns to open the weft yarn W; and the main nozzle. a setting means 11 disposed in the pressurized fluid flow path leading to the main nozzle and configured to set the ejection pressure of the pressurized fluid ejected from the main nozzle; 1. A weft insertion control device for a fluid jet type loom, comprising a control means 12 for outputting a control signal for operating the weft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13576582U JPS5940385U (en) | 1982-09-06 | 1982-09-06 | Weft insertion control device for fluid jet looms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13576582U JPS5940385U (en) | 1982-09-06 | 1982-09-06 | Weft insertion control device for fluid jet looms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5940385U JPS5940385U (en) | 1984-03-15 |
| JPS6319340Y2 true JPS6319340Y2 (en) | 1988-05-30 |
Family
ID=30305472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13576582U Granted JPS5940385U (en) | 1982-09-06 | 1982-09-06 | Weft insertion control device for fluid jet looms |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5940385U (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162837A (en) * | 1984-01-27 | 1985-08-24 | 株式会社豊田自動織機製作所 | Wefting method in fluid jet type loom |
| JPH0689496B2 (en) * | 1985-01-10 | 1994-11-09 | 日産テクシス株式会社 | Fluid ejection loom controller |
| JPH0417587Y2 (en) * | 1985-01-22 | 1992-04-20 | ||
| JP2548249B2 (en) * | 1987-12-09 | 1996-10-30 | 日産テクシス株式会社 | Weft inserting device for air jet loom |
-
1982
- 1982-09-06 JP JP13576582U patent/JPS5940385U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5940385U (en) | 1984-03-15 |
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