JP4338008B2 - Glue densitometer cleaning device - Google Patents

Glue densitometer cleaning device Download PDF

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Publication number
JP4338008B2
JP4338008B2 JP2001309545A JP2001309545A JP4338008B2 JP 4338008 B2 JP4338008 B2 JP 4338008B2 JP 2001309545 A JP2001309545 A JP 2001309545A JP 2001309545 A JP2001309545 A JP 2001309545A JP 4338008 B2 JP4338008 B2 JP 4338008B2
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Prior art keywords
paste
liquid
glue
detection surface
cleaning
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JP2001309545A
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JP2003113575A (en
Inventor
憲一郎 相木
剛 山本
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Tsudakoma Corp
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Tsudakoma Industrial Co Ltd
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Priority to JP2001309545A priority Critical patent/JP4338008B2/en
Priority to CNB021439729A priority patent/CN1188689C/en
Priority to CN 200410078481 priority patent/CN1632529A/en
Priority to DE2002625646 priority patent/DE60225646T2/en
Priority to EP20020022099 priority patent/EP1302584B1/en
Publication of JP2003113575A publication Critical patent/JP2003113575A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/30Means for cleaning apparatus or machines, or parts thereof

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

【0001】
【発明が属する技術分野】
本発明は、糸糊付け機の接触式糊濃度計において、接触式糊濃度計の検出面を清浄する装置に関する。
【0002】
【従来の技術】
糊濃度計として、糊濃度計の検出面が糊液に浸って接触する接触式糊濃度計があり、また、接触式糊濃度計として光学式糊濃度計がある。光学式糊濃度計は、プリズムを内蔵し、このプリズム外側の糊液側プリズム面を検出面とし、この検出面を糊液に接触させている。
【0003】
糊濃度の測定時に、光学式糊濃度計は、検出面を測定対象の糊液に接触させ、検出面に光を照射して、糊液の屈折率よりも大きい屈折率のプリズム内部の反糊液側プリズム面から糊液へ入射させ、反糊液側のプリズム面で全反射する入射角と、反糊液側プリズム面で屈折して糊液中を進む入射角との間の臨界入射角を測定して、プリズムに対する糊液の屈折率を測定し、この屈折率から糊液の密度を検出する。糊濃度は、糊液の密度に比例するので、糊濃度は、糊液の密度から検出できる。
【0004】
【発明が解決しようとする課題】
上記の技術では、検出面の近傍を流れる糊液の糊成分などが光学式糊濃度計の検出面に付着し、付着した糊液は、流れている実際の糊液と異なる高濃度の糊液層を形成し、次第に高濃度となると共に厚みを増す。このため、糊濃度計は、時間の経過とともに、高濃度糊液層の影響を受けて、正確な糊濃度を検出できなくなる。また、高濃度糊液層は、厚みを増した時に検出面から剥がれることから、糊濃度検出は、非常に不安定となり、糊濃度の管理を困難にする。
【0005】
したがって、本発明の目的は、糸糊付機の糊液の接触式糊濃度計において、接触式糊濃度計の検出面に糊成分等などが付着することにより、糊濃度の正確な測定が妨げられるのを防止できるようにすることである。
【0006】
【課題を解決するための手段】
上記目的のもとに、本発明は、糊液の温度制御のために水蒸気源からの高温高圧の水蒸気を加熱用の噴射ノズルから糊液に噴射させることにより糊液を加熱する糸糊付け機に設けられ、糊液に接触する検出面を有し、糊液の糊濃度を検出する接触式糊濃度計において、供給パイプを介して上記水蒸気源に接続され検出面に対向する清浄用の噴射ノズルを加熱用の噴射ノズルとは別に設けると共に、加熱用の噴射ノズルに水蒸気を供給する開閉弁とは別の開閉弁を上記検出面の清浄制御用として上記供給パイプに設けている。
【0007】
検出面の清浄時に、水蒸気は上記水蒸気源から清浄制御用の開閉弁を介して清浄用の噴射ノズルに供給され、検出面に向けて噴射され、これにより検出面を清浄する。
【0008】
接触式糊濃度計は光学式糊濃度計として構成される。
【0009】
また、接触式糊濃度計の検出値は非清浄動作時のみに有効な糊濃度とする。
【0010】
【発明の実施の形態】
図1は、本発明の糊濃度計の清浄装置1の前提となる糸糊付け機の糸糊付け装置2を示している。糸糊付け装置2は、一例として経糸糊付け装置であり、経糸シート3に糊付けするために、糊液4を収納するための糊付け槽5、この糊付け槽5に調整した糊液4を供給するための糊液調整槽6、一対の糊付けロール7、一対の絞りロール8などを備えている。
【0011】
経糸シート3は、ガイドロール9を経て、一対の糊付けロール7の間に巻きかけられて、糊付け槽5の内部の糊液4に浸って糊付けされ、つぎに一対の絞りロール8の間で絞られる。この過程で、経糸シート3の糊液4は、経糸シート3の繊維の内部まで浸透する。
【0012】
糊付け後に、経糸シート3は、乾燥装置10に移り、乾燥経路を分けられて、前段の複数の乾燥シリンダ11や案内ロール12を経て、後段の複数の乾燥シリンダ11、案内ロール13を経て、デバイデングロッド16により上下にさばかれ、案内ロール14経由で巻取りビーム15に巻かれて行く。
【0013】
図2は、糊液4の供給・還流経路とともに、本発明の糊濃度計の清浄装置1の組み込み位置を示している。糊液4は、補給糊液タンク17の内部に収納されており、補給パイプ18の電磁開閉弁19の開閉によって、糊液調整槽6に供給される。電磁開閉弁19は、後述の糊液制御装置20によって、オンオフ制御される。糊液制御装置20は、例えばフロート式の液面センサー21により糊液調整槽6内の糊液4の糊液面の上限レベルおよび下限レベルを検出し、そのレベルに応じて電磁開閉弁19を開閉して、糊液4を糊液調整槽6に供給し、また供給を停止する。なお、液面センサー21は、フロート式でなく、糊液面に向けて超音波を出し、糊液面から反射して帰ってくるまでの時間を計測する方式の超音波式のものにより構成することもできる。
【0014】
糊液調整槽6の内部の糊液4は、糊液調整槽6の底部と糊付け槽5の底部とに接続されている還流パイプ22、還流パイプ22の途中に接続されている接触式糊濃度計30を経て、還流用のポンプ23によって常に糊付け槽5に供給されている。糊付け槽5の内部に供給された糊液4は、糊付け槽5のオーバーフロー堰24から溢れ出て、糊液調整槽6に戻される。このようにして、糊液4は、糊付け槽5および糊液調整槽6を還流し、適切な糊濃度に調整されている。
【0015】
そして、本発明の糊濃度計の清浄装置1は、接触式糊濃度計30を清浄対象とし、接触式糊濃度計30の検出面29に対向させて清浄用の噴射ノズル32を有している。接触式糊濃度計30は、糊濃度計ホルダ33に固定されており、その検出部31を糊濃度計ホルダ33の内部に臨ませ、検出面29を糊液4に接触させている。また、噴射ノズル32は、糊濃度計ホルダ33に対して接触式糊濃度計30とともに、糊液4の流れ方向と交差する状態で検出面29に向けて取り付けられている。糊濃度計ホルダ33の内部で、噴射ノズル32の先端は、糊濃度計ホルダ33内で糊液4の通過を許容する間隔をあけて、糊液4側の検出面29と対向している。なお、糊濃度計ホルダ33は、糊液還流系統のポンプ23の上流で還流パイプ22の途中に接続されている。
【0016】
清浄用の噴射ノズル32は、清浄時に、高温高圧の水蒸気34aを水蒸気源35、供給パイプ36、清浄制御用の電磁開閉弁25および絞り弁27から取り込み、水蒸気34aを検出面29に向け噴射することにより、検出面29を清浄する。ここで、高温高圧の水蒸気源35、供給パイプ36、電磁開閉弁25、絞り弁27は、高温高圧の水蒸気34aの供給装置49を構成している。高温高圧の水蒸気34aは、糊液4に吸収されても、糊液質を大幅に変質したり、糊液中の異物とならない点で有利である。
【0017】
なお、水蒸気34aは、供給パイプ36の途中で分岐し、電磁開閉弁26を経てさらに分岐し、供給パイプ37および絞り弁28、38により、糊付け槽5の内部の水蒸気噴射ノズル39や糊液調整槽6の内部の水蒸気噴射ノズル40に送られるようになっている。ここで、水蒸気源35、供給パイプ36、供給パイプ37、絞り弁28、38および水蒸気噴射ノズル39、40は、糊液加熱装置41を構成している。なお、高温高圧の水蒸気源35は、高温高圧水蒸気の供給装置49と糊液加熱装置41とに共通に利用されている。
【0018】
つぎに、図3は、糊濃度計の清浄装置1の要部を示している。接触式糊濃度計30は、光学式糊濃度計であり、糊濃度計ホルダ33に対して、糊液4の流れ方向と交差する状態で取り付けられ、検出面29を流れる糊液4に接触させている。光学式糊濃度計の検出面29は、台形のプリズム42の上底面つまりプリズム42の糊液4側の面により形成されており、光学式糊濃度計内の光源43から照射された光44は、糊液4よりも大きい屈折率のプリズム42の下底面から内部に入り、側面、上底面(検出面29)を全反射して受光器45に入るほか、入射角によっては上底面(検出面29)を全反射せず、糊液4に進む。
【0019】
糊濃度の測定時に、接触式糊濃度計(光学式糊濃度計)30は、検出面29に光44を照射して、プリズム42の検出面29からから糊液4へ入射させ、検出面29で全反射する入射角と、検出面29で屈折して糊液4中を進む入射角との間の臨界入射角を測定して、プリズム42に対する糊液4の屈折率を測定し、測定した屈折率を糊濃度検出装置46に出力する。糊濃度は、前記のように、糊液4の密度に比例する。そこで、糊濃度検出装置46は、入力された屈折率から糊液4の密度を検出し、この密度から糊濃度を演算により算出する。
【0020】
図4は、糊液4の供給・還流経路とともに、糊液制御装置20による電磁開閉弁19、25、26の制御系を示している。糸糊付け装置2の稼働中に、糊液制御装置20は、液面センサー21により、糊液調整槽6の内部の糊液4の糊液面高さを測定し、下限レベルを検出したときに、電磁開閉弁19を駆動して開放状態に設定することにより、補給糊液タンク17の内の糊液4を糊液調整槽6に供給する。この供給によって、糊液調整槽6の内部の糊液4の液面が上限レベルまで上昇したとき、液面センサー21は、上限レベルを検出して、それに対応する出力信号を糊液制御装置20に送るため、糊液制御装置20は、開放状態の電磁開閉弁19を閉じ、糊液4の供給を停止する。
【0021】
一方、糊液制御装置20にタイマー47が双方向に信号交換可能に接続されており、このタイマー47に清浄時間および清浄開始間隔時間が予め設定されている。
【0022】
糸糊付け装置2の稼働中において、接触式糊濃度計(光学式糊濃度計)30は検出部31を糊液4に接触させ、検出面29により光学的に糊液4の糊濃度を検出しているが、その間に検出面29に糊糊成分などが付着して、高濃度糊液層が糊液4側のプリズム面(検出面29)に形成され、時間と共に高濃度となり、かつ厚くなる。
【0023】
そこで、タイマー47は、清浄開始間隔時間の経過ごとに糊液制御装置20に清浄動作の指令を清浄時間にわたって出力する。なお、清浄開始間隔時間(清浄動作の周期)は、糊液4の状況に応じて、検出面29に対する糊成分などの付着の程度を考慮して設定される。また、清浄時間は、検出面29に付着した糊成分などを充分に排出するのに必要な時間として設定される。
【0024】
清浄動作の指令にもとづいて、糊液制御装置20は、清浄時間にわたって電磁開閉弁25を駆動して継続的に開く。これにより、水蒸気源35からの水蒸気34aは、供給パイプ36、電磁開閉弁25、絞り弁27を経て噴射ノズル32に達する。ここで、噴射ノズル32は、水蒸気34aを検出部31の検出面29に向けて噴射し、適切な清浄時間にわたって検出面29を清浄する。この清浄動作は、検出面29に対する糊成分などの付着の程度を考慮して周期的に行われる。
【0025】
すでに記載したように、検出面29には、糊液4と接触して糊成分などが付着し、時間の経過とともに高濃度糊液層が形成されるが、糊濃度計の清浄装置1の噴射ノズル32からの高温高圧の水蒸気34aの噴射により、高濃度糊液層は、検出面29から吹き飛ばされて除去される。水蒸気34aは高圧であるから、噴射ノズル32からの水蒸気34aの噴射速度が高まり、少量の噴射で糊成分など除去が可能となる。
【0026】
この清浄動作によって、接触式糊濃度計(光学式糊濃度計)30の検出面29に高濃度糊液層が介在せず、検出面29が糊液4に直に接するため、接触式糊濃度計(光学式糊濃度計)30は、糊液4の正確な糊濃度を検出することになる。清浄動作中は、糊液制御装置20から糊液濃度検出装置46に濃度検出中断の信号が出力されているため、糊液濃度検出装置46は、清浄動作中の検出値を除外し、これを測定した糊濃度としない。
【0027】
なお、糊液制御装置20は、糊液4の補給制御や検出面29の清浄制御のほかに、糊付け槽5の内の糊液4の温度制御を行う。糊液4の温度は、糊付け槽5の内に設けられている測温計48により測定される。測温計48は、糊液4の温度特に上限温度・下限温度に対応した信号を糊液制御装置20に出力している。
【0028】
測温計48が下限温度を検出したとき、糊液制御装置20は、電磁開閉弁26を駆動して開放状態に設定することにより、水蒸気源35からの水蒸気34aを供給パイプ37、絞り弁28、38を経て、水蒸気噴射ノズル39、40から噴射し、糊付け槽5のほか糊液調整槽6の内の糊液4を加熱し、それらの温度を上昇させる。糊液4の温度が上昇して、測温計48が上限温度を検出したとき、糊液制御装置20は、電磁開閉弁26を閉じて、水蒸気噴射ノズル39、40からの水蒸気34aの噴射を停止する。
【0029】
この温度制御により、糊液4は、糊付けに適切な温度に維持される。このように、水蒸気34aは、高温であることから、糊液4の温度を高め、糊液4の経糸シート3への浸透性を良くする。また、水蒸気34aは、糊液4の構成流動体として構成されているから、水蒸気34aが糊液4に吸収されても、糊液4が変質したり、糊液4に異物が混入して糸に付着するおそれがない。
【0030】
つぎに、図5は、接触式糊濃度計(光学式糊濃度計)30の他の取り付け例を示している。図5で、接触式糊濃度計(光学式糊濃度計)30は、糊付け槽5にやや上向きに取り付けられ、その検出部31の検出面29を糊付け槽5内の糊液4に接触させている。この構成に対応して、清浄用の噴射ノズル32は、糊付け槽5の底面に取り付けられ、その先端を検出面29に向けている。なお、接触式糊濃度計(光学式糊濃度計)30や噴射ノズル32は、糊液調整槽6に設けられていてもよい。
【0031】
さらに、清浄動作は、糊液4の補給動作と連動して行ってもよい。液面センサー21により、糊液面の下限レベルへの到達が検出されたとき、糊液制御装置20は、糊液4の補給動作を開始するが、この補給動作毎に、噴射ノズル32により高温高圧の水蒸気34aの噴射を開始する。この場合、糊液面の下限レベルと上限レベルの間隔を調整することにより、清浄動作の周期(時間の間隔)が調整でき、糊液4の消費に応じて清浄動作をすることにより、ほぼ所定時間毎に清浄動作し、糊濃度の検出に影響をおよぼす前に、高濃度糊液層を除去できる。
【0032】
接触式糊濃度計(光学式糊濃度計)30による糊濃度検出は、常時行わず、所定の周期にのみを行い、検出時ごとに糊液濃度検出装置に出力してもよい。また、清浄動作は、所定の周期(清浄開始間隔時間)で行わず、糊濃度検出の直前に行ってもよい。
【0033】
【発明の効果】
請求項1によれば、糊液の温度制御のために水蒸気源からの水蒸気を加熱用の噴射ノズルから噴射させる糸糊付け機の接触式糊濃度計において、接触式糊濃度計の検出面に対向させて清浄用の噴射ノズルを設け、検出面の清浄時に、水蒸気が上記水蒸気源から清浄制御用の開閉弁を介して清浄用の噴射ノズルに供給され、検出面に向けて噴射されることにより、検出面を清浄する。したがって、検出面には、糊液と接触して糊成分などが付着し、高濃度糊液層が形成されるが、糊濃度計の清浄装置の噴射ノズルからの水蒸気の噴射により、高濃度糊液層は、検出面から吹き飛ばされて除去される。よって、検出面には、高濃度糊液層が介在することなく、糊液が接するため、糊濃度計は、正確な糊液の糊濃度を検出することができる。
【0034】
また、清浄用の噴射ノズルからの噴射に水蒸気を用いているから、水蒸気が糊液に吸収されても、糊液が変質したり、糊液に異物が混入して糸に付着するおそれがない。しかも、高温高圧の糊液加熱用の水蒸気を利用するので、少量の水蒸気の噴射であっても、付着した糊成分などの除去に対し有効に作用し、少量の水蒸気で検出面を清浄することが可能である。
【0035】
請求項2によれば、測定中に、接触式糊濃度計としての光学式糊濃度計の検出面に糊液の糊成分などが付着し、検出面に高濃度糊液層が形成されると、光学式糊濃度計は、検出面に接する高濃度糊液層の糊濃度を検出し、実際の糊液とは異なる検出値となるが、清浄装置による高濃度糊液層の除去により、実際の糊液の糊濃度を検出することができる。
【0036】
請求項3によれば、非清浄動作時のみに、接触式糊濃度計の検出値を有効な糊濃度とするから、実際の糊液の糊濃度とは異なるおそれがある検出値を除くことができ、正確な糊濃度を得ることができる。一般に、清浄装置の清浄動作時に、検出面近傍の糊液は、高濃度糊液層の剥がれにより不均質な状態になり、検出面近傍以外の実際の糊液の糊濃度とは異なる値が検出されるおそれれがある。しかし非清浄動作時のみの接触式糊濃度計の検出値を有効な糊濃度とすれば、上記の不具合はなくなる。
【図面の簡単な説明】
【図1】 糸糊付け装置の側面図である。
【図2】 糸糊付け装置の糊液の供給・還流経路および糊濃度計の清浄装置の系統図である。
【図3】 糊濃度計の清浄装置の拡大断面図である
【図4】 糊液の供給・還流経路および制御系のブロック線図である。
【図5】 他の糊濃度計の清浄装置の側面図である。
【符号の説明】
1 糊濃度計の清浄装置
2 糸糊付け装置
3 経糸シート
4 糊液
5 糊付け槽
6 糊液調整槽
7 糊付けロール
8 絞りロール
9 ガイドロール
10 乾燥装置
11 乾燥シリンダ
12 案内ロール
13 案内ロール
14 案内ロール
15 巻取りビーム
16 デバイデングロッド
17 補給糊液タンク
18 補給パイプ
19 電磁開閉弁
20 糊液制御装置
21 液面センサー
22 還流パイプ
23 ポンプ
24 オーバーフロー堰
25 電磁開閉弁
26 電磁開閉弁
27 絞り弁
28 絞り弁
29 検出面
30 接触式糊濃度計
31 検出部
32 噴射ノズル
33 糊濃度計ホルダ
34a 水蒸気
35 水蒸気源
36 供給パイプ
37 供給パイプ
38 絞り弁
39 水蒸気噴射ノズル
40 水蒸気噴射ノズル
41 糊液加熱装置
42 プリズム
43 光源
44 光
45 受光器
46 糊液濃度検出装置
47 タイマー
48 測温計
49 高温高圧水蒸気の供給装置
[0001]
[Technical field to which the invention belongs]
The present invention relates to an apparatus for cleaning a detection surface of a contact-type glue density meter in a contact-type glue density meter of a yarn gluer.
[0002]
[Prior art]
As the paste densitometer, there is a contact type paste densitometer in which the detection surface of the paste densitometer is in contact with the paste liquid, and there is an optical glue densitometer as the contact type paste densitometer. The optical glue densitometer has a built-in prism, and the adhesive liquid side prism surface outside the prism is used as a detection surface, and the detection surface is brought into contact with the adhesive liquid.
[0003]
When measuring the glue concentration, the optical glue densitometer makes the detection surface contact the paste liquid to be measured, irradiates the detection surface with light, and the anti-glue inside the prism with a refractive index larger than the refractive index of the glue liquid. The critical incident angle between the incident angle that is incident on the paste from the liquid side prism surface and totally reflected by the prism surface on the anti-glue side, and the incident angle that is refracted on the anti-glue side prism surface and travels through the paste liquid. Is measured, the refractive index of the paste liquid with respect to the prism is measured, and the density of the paste liquid is detected from this refractive index. Since the paste concentration is proportional to the density of the paste solution, the paste concentration can be detected from the density of the paste solution.
[0004]
[Problems to be solved by the invention]
In the above technique, the glue component of the glue liquid flowing in the vicinity of the detection surface adheres to the detection surface of the optical glue densitometer, and the adhered glue liquid has a high concentration of paste liquid different from the actual glue liquid flowing. A layer is formed and gradually increases in thickness and thickness. For this reason, the glue densitometer cannot detect an accurate glue density over time due to the influence of the high density glue liquid layer. Further, since the high-concentration glue liquid layer is peeled off from the detection surface when the thickness is increased, the glue density detection becomes very unstable, making it difficult to manage the glue density.
[0005]
Accordingly, an object of the present invention is to prevent accurate measurement of the glue concentration by attaching glue components or the like to the detection surface of the contact glue density meter in the glue type contact glue density meter of the yarn gluer. It is to be able to prevent being done.
[0006]
[Means for Solving the Problems]
Based of the above object, the present invention is a yarn sizing machine for heating the adhesive solution under Rukoto is sprayed on glue solution high temperature and high pressure steam from a steam source from the injection nozzle for heating for temperature control of the sizing liquid In a contact-type glue concentration meter that has a detection surface that comes into contact with the paste liquid and detects the paste concentration of the paste liquid, a cleaning jet that is connected to the water vapor source via the supply pipe and faces the detection surface A nozzle is provided separately from the heating injection nozzle, and an opening / closing valve different from the opening / closing valve for supplying water vapor to the heating injection nozzle is provided in the supply pipe for cleaning control of the detection surface.
[0007]
During the cleaning of the detection surface, the water vapor is supplied from the water vapor source to the cleaning injection nozzle via the cleaning control on-off valve, and sprayed toward the detection surface, thereby cleaning the detection surface.
[0008]
The contact type glue densitometer is configured as an optical glue densitometer.
[0009]
Further, the detected value of the contact-type glue concentration meter is an adhesive density that is effective only during the non-cleaning operation.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows a yarn gluing device 2 of a yarn gluing machine as a premise of a cleaning device 1 for a glue densitometer of the present invention. The yarn gluing device 2 is, for example, a warp gluing device, for gluing the warp sheet 3, a gluing tank 5 for storing the gluing liquid 4, and supplying the adjusted gluing liquid 4 to the gluing tank 5. A paste liquid adjusting tank 6, a pair of gluing rolls 7, a pair of squeezing rolls 8 and the like are provided.
[0011]
The warp sheet 3 is wound between a pair of gluing rolls 7 through a guide roll 9, dipped in the gluing liquid 4 inside the gluing tank 5, and then squeezed between the pair of squeezing rolls 8. It is done. In this process, the paste 4 of the warp sheet 3 penetrates into the fibers of the warp sheet 3.
[0012]
After the pasting, the warp sheet 3 is transferred to the drying device 10, and the drying route is divided. After passing through the plurality of drying cylinders 11 and the guide rolls 12 in the preceding stage, and passing through the plurality of drying cylinders 11 and the guide rolls 13 in the subsequent stage, It is held up and down by a dengue rod 16 and is wound around a winding beam 15 via a guide roll 14.
[0013]
FIG. 2 shows the assembly position of the cleaning device 1 of the glue concentration meter of the present invention, together with the supply / reflux path of the paste liquid 4. The paste liquid 4 is stored in the replenishing paste liquid tank 17, and is supplied to the paste liquid adjusting tank 6 by opening and closing the electromagnetic opening / closing valve 19 of the replenishing pipe 18. The electromagnetic on-off valve 19 is on / off controlled by a glue liquid control device 20 described later. The paste liquid control device 20 detects the upper limit level and the lower limit level of the paste liquid surface of the paste liquid 4 in the paste liquid adjustment tank 6 by using, for example, a float type liquid level sensor 21, and controls the electromagnetic on-off valve 19 according to the level. Open and close to supply the paste liquid 4 to the paste liquid adjustment tank 6, and stop the supply. The liquid level sensor 21 is not of a float type, but is configured by an ultrasonic type of a type that emits an ultrasonic wave toward the glue liquid surface and measures the time until it returns from the glue liquid surface. You can also.
[0014]
The glue liquid 4 inside the glue liquid adjusting tank 6 is a reflux pipe 22 connected to the bottom of the glue liquid adjusting tank 6 and the bottom of the gluing tank 5, and a contact-type paste concentration connected to the middle of the reflux pipe 22. Through a total of 30, it is always supplied to the gluing tank 5 by a reflux pump 23. The glue liquid 4 supplied into the gluing tank 5 overflows from the overflow weir 24 of the gluing tank 5 and is returned to the glue liquid adjusting tank 6. In this way, the paste liquid 4 is returned to the paste tank 5 and the paste liquid adjusting tank 6 to be adjusted to an appropriate paste concentration.
[0015]
The cleaning device 1 for the paste densitometer of the present invention has a contact type paste densitometer 30 as a cleaning target, and has a cleaning spray nozzle 32 facing the detection surface 29 of the contact type paste densitometer 30. . The contact-type paste densitometer 30 is fixed to the paste densitometer holder 33, and its detection part 31 faces the inside of the paste densitometer holder 33, and the detection surface 29 is brought into contact with the paste liquid 4. The injection nozzle 32 is attached to the detection surface 29 in a state intersecting with the flow direction of the paste liquid 4 together with the contact-type paste concentration meter 30 with respect to the paste concentration meter holder 33. Inside the paste concentration meter holder 33, the tip of the injection nozzle 32 faces the detection surface 29 on the paste solution 4 side with an interval allowing the passage of the paste solution 4 in the paste concentration meter holder 33. The glue concentration meter holder 33 is connected to the middle of the reflux pipe 22 upstream of the pump 23 of the paste liquid reflux system.
[0016]
The cleaning injection nozzle 32 takes in high-temperature and high-pressure steam 34 a from the steam source 35, the supply pipe 36, the electromagnetic on-off valve 25 for cleaning control, and the throttle valve 27, and injects the steam 34 a toward the detection surface 29 during cleaning. As a result, the detection surface 29 is cleaned. Here, the high-temperature and high-pressure steam source 35, the supply pipe 36, the electromagnetic on-off valve 25, and the throttle valve 27 constitute a supply device 49 for the high-temperature and high-pressure steam 34a. Even when the high-temperature and high-pressure water vapor 34a is absorbed by the paste liquid 4, it is advantageous in that it does not greatly change the quality of the paste liquid or become a foreign substance in the paste liquid.
[0017]
The water vapor 34a branches in the middle of the supply pipe 36, further branches through the electromagnetic on-off valve 26, and the water supply spray nozzle 39 and the paste liquid adjustment in the gluing tank 5 are adjusted by the supply pipe 37 and the throttle valves 28 and 38. It is sent to the water vapor injection nozzle 40 inside the tank 6. Here, the water vapor source 35, the supply pipe 36, the supply pipe 37, the throttle valves 28 and 38, and the water vapor injection nozzles 39 and 40 constitute a paste liquid heating device 41. The high-temperature and high-pressure steam source 35 is used in common for the high-temperature and high-pressure steam supply device 49 and the paste heating device 41.
[0018]
Next, FIG. 3 shows a main part of the cleaning device 1 of the paste densitometer. The contact type paste densitometer 30 is an optical paste densitometer, is attached to the paste densitometer holder 33 in a state intersecting with the flow direction of the paste liquid 4, and is brought into contact with the paste liquid 4 flowing through the detection surface 29. ing. The detection surface 29 of the optical glue densitometer is formed by the upper bottom surface of the trapezoidal prism 42, that is, the surface of the prism 42 on the glue liquid 4 side, and the light 44 emitted from the light source 43 in the optical glue densitometer is In addition to entering the prism 42 having a refractive index larger than that of the paste 4 from the bottom surface, the side surface and the top surface (detection surface 29) are totally reflected and enter the light receiver 45, and depending on the incident angle, the top surface (detection surface) 29) is not totally reflected and proceeds to the paste 4.
[0019]
At the time of measuring the glue density, the contact glue density meter (optical glue density meter) 30 irradiates the detection surface 29 with light 44 and causes the detection surface 29 to enter the glue liquid 4 from the detection surface 29. The critical incident angle between the incident angle that is totally reflected by and the incident angle that is refracted by the detection surface 29 and travels through the paste liquid 4 is measured, and the refractive index of the paste liquid 4 with respect to the prism 42 is measured and measured. The refractive index is output to the glue concentration detector 46. As described above, the paste concentration is proportional to the density of the paste solution 4. Therefore, the glue density detecting device 46 detects the density of the glue liquid 4 from the input refractive index, and calculates the glue density from this density by calculation.
[0020]
FIG. 4 shows a control system for the electromagnetic on-off valves 19, 25, 26 by the paste liquid control device 20, along with the supply / reflux path of the paste liquid 4. While the yarn gluing device 2 is in operation, the glue liquid control device 20 uses the liquid level sensor 21 to measure the glue liquid level of the glue liquid 4 in the glue liquid adjusting tank 6 and detect the lower limit level. Then, the solenoid on / off valve 19 is driven and set to the open state, whereby the paste liquid 4 in the replenishing paste liquid tank 17 is supplied to the paste liquid adjusting tank 6. When the liquid level of the paste liquid 4 inside the paste liquid adjusting tank 6 rises to the upper limit level due to this supply, the liquid level sensor 21 detects the upper limit level and outputs the corresponding output signal to the paste liquid control device 20. Therefore, the glue liquid control device 20 closes the opened electromagnetic on-off valve 19 and stops the supply of the glue liquid 4.
[0021]
On the other hand, a timer 47 is connected to the paste liquid control device 20 so that signals can be exchanged in both directions, and a cleaning time and a cleaning start interval time are set in advance in the timer 47.
[0022]
During operation of the yarn gluing device 2, the contact-type glue density meter (optical glue density meter) 30 brings the detection unit 31 into contact with the glue liquid 4 and optically detects the glue density of the glue liquid 4 by the detection surface 29. However, a glue component or the like adheres to the detection surface 29 in the meantime, and a high-concentration glue liquid layer is formed on the prism surface (detection surface 29) on the glue liquid 4 side, and the density becomes high and thick with time.
[0023]
Therefore, the timer 47 outputs a cleaning operation command to the paste liquid control device 20 over the cleaning time every time the cleaning start interval time elapses. The cleaning start interval time (cleaning operation cycle) is set in consideration of the degree of adhesion of the glue component or the like to the detection surface 29 according to the state of the paste liquid 4. Further, the cleaning time is set as a time necessary for sufficiently discharging the glue component and the like adhering to the detection surface 29.
[0024]
Based on the command of the cleaning operation, the paste liquid control device 20 drives the electromagnetic on-off valve 25 continuously during the cleaning time. Thereby, the water vapor 34 a from the water vapor source 35 reaches the injection nozzle 32 through the supply pipe 36, the electromagnetic on-off valve 25, and the throttle valve 27. Here, the injection nozzle 32 injects the water vapor 34a toward the detection surface 29 of the detection unit 31, and cleans the detection surface 29 over an appropriate cleaning time. This cleaning operation is periodically performed in consideration of the degree of adhesion of a glue component or the like to the detection surface 29.
[0025]
As described above, the paste component or the like adheres to the detection surface 29 in contact with the paste liquid 4 and a high-concentration paste liquid layer is formed over time. By spraying the high-temperature and high-pressure water vapor 34 a from the nozzle 32, the high-concentration paste liquid layer is blown off from the detection surface 29 and removed. Since the water vapor 34a has a high pressure, the injection speed of the water vapor 34a from the injection nozzle 32 is increased, and a paste component or the like can be removed with a small amount of injection.
[0026]
By this cleaning operation, the detection surface 29 of the contact-type paste concentration meter (optical paste concentration meter) 30 does not intervene with the high-concentration paste liquid layer, and the detection surface 29 is in direct contact with the paste liquid 4. The meter (optical glue concentration meter) 30 detects the exact paste concentration of the paste liquid 4. During the cleaning operation, since the concentration detection interruption signal is output from the paste liquid control device 20 to the paste liquid concentration detection device 46, the paste liquid concentration detection device 46 excludes the detected value during the cleaning operation, Not measured glue concentration.
[0027]
The glue liquid control device 20 controls the temperature of the glue liquid 4 in the gluing tank 5 in addition to the replenishment control of the glue liquid 4 and the cleaning control of the detection surface 29. The temperature of the paste liquid 4 is measured by a thermometer 48 provided in the paste tank 5. The thermometer 48 outputs a signal corresponding to the temperature of the paste liquid 4, particularly the upper limit temperature and the lower limit temperature, to the paste liquid control device 20.
[0028]
When the thermometer 48 detects the lower limit temperature, the paste liquid control device 20 drives the electromagnetic on-off valve 26 to set the open state, thereby supplying the water vapor 34a from the water vapor source 35 to the supply pipe 37 and the throttle valve 28. , 38, the water is sprayed from the water vapor spray nozzles 39, 40, and the paste liquid 4 in the paste liquid adjusting tank 6 as well as the paste tank 5 is heated to increase the temperature thereof. When the temperature of the paste liquid 4 rises and the thermometer 48 detects the upper limit temperature, the paste liquid control device 20 closes the electromagnetic opening / closing valve 26 and injects the water vapor 34a from the water vapor injection nozzles 39 and 40. Stop.
[0029]
By this temperature control, the paste 4 is maintained at a temperature suitable for gluing. Thus, since the water vapor 34a is high temperature, it raises the temperature of the paste 4 and improves the permeability of the paste 4 to the warp sheet 3. Further, since the water vapor 34a is configured as a constituent fluid of the paste liquid 4, even if the water vapor 34a is absorbed by the paste liquid 4, the paste liquid 4 is altered or foreign matter is mixed into the paste liquid 4 and the yarn. There is no risk of sticking to.
[0030]
Next, FIG. 5 shows another example of attachment of the contact-type glue density meter (optical glue density meter) 30. In FIG. 5, a contact-type glue densitometer (optical glue densitometer) 30 is attached slightly upward to the gluing tank 5, and the detection surface 29 of the detection unit 31 is brought into contact with the glue liquid 4 in the gluing tank 5. Yes. Corresponding to this configuration, the cleaning spray nozzle 32 is attached to the bottom surface of the gluing tank 5, and its tip faces the detection surface 29. Note that the contact paste concentration meter (optical paste concentration meter) 30 and the injection nozzle 32 may be provided in the paste liquid adjusting tank 6.
[0031]
Further, the cleaning operation may be performed in conjunction with the replenishing operation of the paste liquid 4. When the liquid level sensor 21 detects that the adhesive liquid level has reached the lower limit level, the adhesive liquid control device 20 starts the replenishment operation of the adhesive liquid 4. The injection of the high-pressure steam 34a is started. In this case, the cleaning operation cycle (time interval) can be adjusted by adjusting the interval between the lower limit level and the upper limit level of the paste liquid surface, and almost predetermined by performing the cleaning operation according to the consumption of the paste liquid 4. The cleaning operation is performed every hour, and the high-concentration paste liquid layer can be removed before affecting the detection of the paste concentration.
[0032]
The glue density detection by the contact glue density meter (optical glue density meter) 30 may not always be performed but may be performed only in a predetermined cycle, and output to the glue liquid concentration detection device at each detection time. Further, the cleaning operation may be performed immediately before the glue density detection without being performed at a predetermined cycle (cleaning start interval time).
[0033]
【The invention's effect】
According to the first aspect of the present invention, in the contact-type paste densitometer of the yarn gluing machine for spraying water vapor from the steam source from the heating spray nozzle for controlling the temperature of the paste liquid, it faces the detection surface of the contact-type paste density meter. When the detection surface is cleaned, water vapor is supplied from the water vapor source to the cleaning injection nozzle via the cleaning control on-off valve and injected toward the detection surface. Clean the detection surface. Therefore, a paste component or the like adheres to the detection surface in contact with the paste liquid, and a high-concentration paste liquid layer is formed, but the high-concentration paste is formed by spraying water vapor from the spray nozzle of the cleaning device of the paste densitometer. The liquid layer is blown off from the detection surface and removed. Therefore, since the adhesive liquid contacts the detection surface without the high-concentration adhesive liquid layer, the adhesive densitometer can detect the accurate adhesive concentration of the adhesive liquid.
[0034]
In addition, since water vapor is used for spraying from the cleaning spray nozzle, there is no risk that the paste liquid will be altered or that foreign matter will be mixed into the paste liquid and adhere to the yarn even if the water vapor is absorbed by the paste liquid. . In addition, since steam for heating high-temperature and high-pressure paste is used, even when a small amount of steam is jetted, it effectively works to remove adhered glue components and cleans the detection surface with a small amount of steam. Is possible.
[0035]
According to claim 2, during the measurement, when a paste component or the like of the glue liquid adheres to the detection surface of the optical glue densitometer as the contact glue densitometer, and a high-concentration glue liquid layer is formed on the detection surface The optical paste densitometer detects the paste concentration of the high-concentration paste liquid layer in contact with the detection surface, resulting in a detection value different from the actual paste liquid. The paste concentration of the paste liquid can be detected.
[0036]
According to the third aspect, since the detected value of the contact-type paste densitometer is set to an effective paste concentration only during the non-cleaning operation, the detected value that may be different from the paste concentration of the actual paste liquid may be excluded. And an accurate paste concentration can be obtained. In general, during the cleaning operation of the cleaning device, the paste liquid near the detection surface becomes inhomogeneous due to peeling of the high-concentration paste liquid layer, and a value different from the actual paste concentration outside the detection surface is detected. There is a risk of being. However, if the detected value of the contact-type paste concentration meter only during the non-cleaning operation is set to an effective paste concentration, the above-described problems are eliminated.
[Brief description of the drawings]
FIG. 1 is a side view of a yarn gluing device.
FIG. 2 is a system diagram of a paste solution supply / reflux path of the yarn gluing device and a cleaning device of the paste densitometer.
FIG. 3 is an enlarged cross-sectional view of the cleaning device of the glue concentration meter. FIG. 4 is a block diagram of the supply / reflux path of the paste liquid and the control system.
FIG. 5 is a side view of a cleaning device of another paste densitometer.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cleaning device of glue concentration meter 2 Yarn gluing device 3 Warp sheet 4 Glue liquid 5 Glue tank 6 Glue liquid adjustment tank 7 Glue roll 8 Drawing roll 9 Guide roll 10 Drying device 11 Drying cylinder 12 Guide roll 13 Guide roll 14 Guide roll 15 Winding beam 16 Dividing rod 17 Supply glue liquid tank 18 Supply pipe 19 Electromagnetic on-off valve 20 Adhesive liquid control device 21 Liquid level sensor 22 Recirculation pipe 23 Pump 24 Overflow weir 25 Electromagnetic on-off valve 26 Electromagnetic on-off valve 27 Throttle valve 28 Throttle valve DESCRIPTION OF SYMBOLS 29 Detection surface 30 Contact-type glue density meter 31 Detection part 32 Injection nozzle 33 Glue density meter holder 34a Water vapor 35 Water vapor source 36 Supply pipe 37 Supply pipe 38 Throttle valve 39 Water vapor injection nozzle 40 Water vapor injection nozzle 41 Glue liquid heating device 42 Prism 43 Light source 44 Light 4 5 Photoreceiver 46 Paste concentration detector 47 Timer 48 Thermometer 49 High-temperature high-pressure steam supply device

Claims (3)

糊液の温度制御のために水蒸気源からの高温高圧の水蒸気を加熱用の噴射ノズルから糊液に噴射させることにより糊液を加熱する糸糊付け機に設けられ、糊液に接触する検出面を有し、糊液の糊濃度を検出する接触式糊濃度計において、
供給パイプを介して上記水蒸気源に接続され検出面に対向する清浄用の噴射ノズルを加熱用の噴射ノズルとは別に設けると共に、加熱用の噴射ノズルに水蒸気を供給する開閉弁とは別の開閉弁を上記検出面の清浄制御用として上記供給パイプに設け、検出面の清浄時に、水蒸気が上記水蒸気源から清浄制御用の開閉弁を介して清浄用の噴射ノズルに供給され、検出面に向けて噴射されることにより、検出面を清浄することを特徴とする糊濃度計の清浄装置。
For temperature control of the size liquid is ejected high-temperature high-pressure steam from a steam source from the injection nozzle for heating the adhesive liquid is provided in the yarn sizing machine for heating the adhesive solution under Rukoto, detection surface in contact with the sizing liquid In a contact-type paste densitometer that detects the paste concentration of the paste liquid,
A cleaning spray nozzle that is connected to the steam source via the supply pipe and faces the detection surface is provided separately from the heating spray nozzle, and is also opened and closed separately from the open / close valve that supplies steam to the heating spray nozzle. A valve is provided in the supply pipe for controlling the cleaning of the detection surface, and when the detection surface is cleaned, water vapor is supplied from the water vapor source to the cleaning injection nozzle via the on-off valve for cleaning control and directed toward the detection surface. A cleaning device for a paste densitometer, wherein the detection surface is cleaned by being sprayed.
接触式糊濃度計を光学式糊濃度計として構成することを特徴とする請求項1記載の記載の糊濃度計の清浄装置。  The cleaning device for a glue density meter according to claim 1, wherein the contact-type glue density meter is configured as an optical glue density meter. 接触式糊濃度計の検出値を非清浄動作時のみに有効な糊濃度とすることを特徴とする請求項1または請求項2記載の糊濃度計の清浄装置。  3. A cleaning device for a paste densitometer according to claim 1, wherein the detected value of the contact-type paste densitometer is an effective paste concentration only during non-cleaning operation.
JP2001309545A 2001-10-05 2001-10-05 Glue densitometer cleaning device Expired - Fee Related JP4338008B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001309545A JP4338008B2 (en) 2001-10-05 2001-10-05 Glue densitometer cleaning device
CNB021439729A CN1188689C (en) 2001-10-05 2002-09-29 Cleaning device for contact concentration meter
CN 200410078481 CN1632529A (en) 2001-10-05 2002-09-29 Device for cleaning concentration meter
DE2002625646 DE60225646T2 (en) 2001-10-05 2002-10-02 Device for cleaning a concentration meter
EP20020022099 EP1302584B1 (en) 2001-10-05 2002-10-02 Device for cleaning concentration meter

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JP2001309545A JP4338008B2 (en) 2001-10-05 2001-10-05 Glue densitometer cleaning device

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JP4338008B2 true JP4338008B2 (en) 2009-09-30

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CN105068012A (en) * 2015-08-16 2015-11-18 昆山泰莱宏成传感技术有限公司 Lead acid battery residual electric quantity sensor
US20210131949A1 (en) * 2019-11-06 2021-05-06 Entegris, Inc. Optical sensor window cleaner

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CH509835A (en) * 1967-09-08 1971-07-15 Sucker Geb Loading or sizing fibre material such as warp sheets
CH670513A5 (en) * 1986-09-01 1989-06-15 Benno Perren
FI93582C (en) * 1991-09-18 1995-04-25 Janesko Oy Device for cleaning an optical window in a process
US5185531A (en) * 1991-09-26 1993-02-09 Wedgewood Technology, Inc. Window cleaner for inline optical sensors
JPH06160277A (en) * 1992-09-16 1994-06-07 Nippondenso Co Ltd Liquidity detector
DE4233311A1 (en) * 1992-10-03 1994-04-07 Inst Textil & Faserforschung Fabric desizing control - compares concentration of sizing in washing fluid with amount of sizing applied to control washing action

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EP1302584B1 (en) 2008-03-19
CN1412542A (en) 2003-04-23
JP2003113575A (en) 2003-04-18
DE60225646D1 (en) 2008-04-30
EP1302584A3 (en) 2005-07-20
DE60225646T2 (en) 2008-07-17
EP1302584A2 (en) 2003-04-16
CN1188689C (en) 2005-02-09
CN1632529A (en) 2005-06-29

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