^19380 A6 B6 經濟部+央標準局3工消費合作社印52 五、發明説明（1 ) (發明之技術領域） 本發明是有關於空氣喷射式嫌機中爲了將穿梭力附加 在通過經紗開口的緯紗而沿著緯紗通路配設的補助噴嘴〇 (背景技術） 空氣噴射式織機爲了要織入緯紗乃使用由主噴嘴所噴 射的空氣噴流以及由沿著緯紗通路配β的補助噴嘴所噴射 的空氣噴流來令緯紗飛行。空氣喷流易擴散使得噴流的速 度明顯降低之故，單僅利用由主噴嘴來的空氣噴流的話， 很難使得緯紗飛行達整個織布的宽度。因此便使用補助噴 嘴，利用此一補助噴嘴的空氣噴流來補充緯紗的飛行通路 中的空氣噴流的速度及流量，以使緯紗飛行達織布的全寬 度而得以進行完全的織入緯紗。 是以若想利用補助噴嘴將緯紗飛行所必要且足夠的量 以及速度的空氣送入到緯紗的飛行通路內，補助噴嘴本身 必須有穩定噴流方向以及減少噴流速度的衰減之功能。具 體言之，因爲在於織入緯紗的時候由經紗之間朝經紗開口 內插入的補助噴嘴的延伸方向是與空氣的噴出方向大致形 成直角之故，有必要將沿著補助噴嘴的空管內的軸方向流 動的空氣圓滑地變換成噴出方向，以獲得方向穩定且集束 性良好之空氣噴流。 因此以往例如日本特開昭6 0 — 1 7 3 1 4 3號公報 以及特開平1 — 8 5 3 4 6號公報等所示，爲了將補助噴 嘴的空管內的空氣順暢地引導至噴嘴孔，乃藉由將補助噴 (請先閲讀背面之注意事^再填寫本頁) 丨裝· ，1Τ. 本紙張尺度適用中國國家標準（CNS>甲4规格（2丨Ο X 297公釐） 82. 5. 20,000 219360 A6 _B6_ 五、發明説明（2 ) 嘴的內面做成就其軸線而言虽非對稱的形狀而得以確保空 氣噴流的方向性以及集束性。 又就材質而言，補助噴嘴是利用不銹鋼之類的耐腐蝕 性金屬材料所製造的，但是卻存有因與經紗之間的接觸所 導致的磨損之問題，因此乃嘗試以具有優異的耐磨損性的 陶瓷來形成。 然而，道種習用的空氣噴射式織機的補助噴嘴依舊存 有各種待改進之點。 其一，因所供給的空氣的壓力變化導致空氣噴射角度 發生變化。亦即，當補助噴嘴於稼動時，依所織入的緯紗 種類之不同必須調整所供給的空氣壓力，但是所供給的壓 縮空氣之壓力當提高空氣流量以加快由噴嘴孔所噴出的空 氣速度的話，則因對軸線呈非對稱的空洞內部形狀、以及 藉由放電加工穿孔之'朝外方稍微擴徑的呈圓錐面之噴嘴的 形狀，使得空氣流朝下方偏向的程度增大，導致空氣噴射 角度有變化知傾向。 因此必要因應空氣噴射角度之變化來調整補助噴 嘴的安裝位置及角度，其調整作業非常麻煩。而且在於掛 著經紗的狀態下，要調整補助噴嘴的高度及角度，實際上 非常地困難。 其次，第二問題是以往的補助噴嘴因形成非對稱的流 路之故，外形亦受影響而不得不形成左右非對稱，而由於 補助噴嘴的安裝角度對於經紗並不是配置於平行的位置， 所以不僅對於經紗就連機抒都有受損之危險。 本紙張又度適用中§國家悖準（CNS)甲4規格（·210 X 297公釐） 82. 5. 20,000 S80 A6 B6 五、發明説明（3 ) 此外，上述之以往的補助嘖嘴由於空氣噴流的速度衰 減率很大，因此降低了壓縮空氣的利用效率而有增大嫌機 的運轉成本之問題。 本發明的目的在提供一種具有優異的穩定空氣嘖流的 方向及予以集束之特性，而且可降低空氣噴流的速度衰減 率之功能之補助噴嘴。.又本發明的另一目的在提供以較簡單的構造即可具有 上述功能且可以較低成本來製造之補助噴嘴。此外，本發明的另一目的在提供一種可減少壓縮空氣 的消費量以及補助噴嘴的設e數目之補助噴嘴。 (本發明之概要） 本發明係針對一種具有在其管部內部的空洞前端被封 閉的扁平部，且在於k扁平部的封閉前端的旁邊中央設有 噴嘴孔之形態的空氣噴射式繊機用補助噴嘴，係做成在於 噴嘴孔的管部基部側的旁邊內面設有突起者。其中管部的扁平部的中空部之厚度方向的尺寸係可做 成與管部的軸線呈對稱且以等變化率一段或二段朝向管部 請 先 閱 讀 背 意 事 再 塡 寫 本 頁 裝 訂 經濟部中央標芈局ΚΓ工消費合作社印製 小 成 漸 側 外 向 朝 有 具 成 形 可 亦 面 〇 周 造內 構的 之孔 小嘴 縮噴 地-r 漸：者 逐再 端 前 成 形 來 瓷 陶 用 可 係 部 端 前 。 的 狀部 形管 孔少 之至 面，盧外 圓：此， 之 徑 而 起 突 有 設 面 內 部 0 管 效的 功方 之後 列在 下孔 得嘴 獲噴 可於 係在 明由 發藉 本 } 據 1 根丨 本紙張尺度逯用中國國家標準（CNS)甲4規格（210 X :?97 Ui ) 82. 5. 20,000 213380 A6 B6 五、發明説明（4 ) 可獲得方向性很 (2 )藉由 直線性地朝前端 稹變化之故，可 噴流。 (3 )又管 經紗及機抒之傷 害。 (4 )藉由 徑之圓錐面而可 的空氣噴流。因 目以及壓縮空氣 穩定的空氣喷流。 將管部的扁平部做成與管部 逐渐地縮小之形狀，管部內 獲得更儸異的流速之方向性 部的外形可做成左右對稱因 害，同時亦可減輕補助噴嘴 將噴嘴孔的內周面形成朝向 減少噴出阻力，以及獏得速 此，可減少設置在織機上的 的消耗置。 軸線呈對稱且 沒有急遽的容 很穩定的空氣 此可抑制帶給 受到經紗的傷 外側渐成小直 度衰減率較小 補助噴嘴的數 請 先 閲 It 背 意 事 再 塡 寫 本 頁 裝 訂 經濟部中央標準局員工消t合作社印製 (圓面之簡單說明） 第一ϊ係本發明的補助噴嘴之第一實施例之斷面側面 圖，第二#係第一圖的平面斷面圖，第三圇係第二圇的A 齡 部之擴大斷面圖。 I... 第四圖至第六圖係表示設在噴嘴孔近旁的突起之變更 例。 第七圖（a) ，（b)係表示本發明的補助噴嘴之第 二實施例之斷面側面以及平面圖，是一個扁平部之厚度形 成兩段之例。 第八圖（a) ，（b)係表示以往的補助噴嘴之斷面 側面以及平面圖。 4. 衣紙張尺度適用中國國家標準（CNS>甲4規丨S· (210 X 297公發〉 82. 5. 20,000 •經濟部中央標準局3工消费合作社印κ ^ 1 ύ S ά Ο Α6 _. _Β6_ 五、發明説明（5 ) 第九圖至第十一圖係表示本發明的補助噴嘴孔之特性 圖，其中第九圖表示流量與偏向角之間的關係，第十圖表 示比較了流童與壓力之關係之試驗結果，第十一圖表示速 度衰減率。 (用以實施本發明之最佳形態） (資施例1 ) 本實施例係顯示將管部中空部的扁平部做與管部的軸 線呈對稱且以等變化率一段朝向管部前端逐漸地縮小之形 狀之例。广/ 第一撤係表示本發明的補助噴嘴之第一實施例之斷面 1 側面圖，第二圖係第一圖的平面斷面圖，第三捆係第二圖 的A部之si大斷面圖。 ~ 第一圖及第二圖'中，1代表形成本發明的空氣噴射式 織機用補助噴嘴之管部（pipe) ，2代表設在噴嘴孔3的 管部1基部側的旁邊內壁面之突起。該管部1係將其空氣 通路之空洞的前端方向之間隙尺寸b予以縮小，而具有一 個前端封閉之扁平部5，噴嘴孔3係設在靠近此一扁平部 5 2的前端之位於寬度方向的中央處。2係代表本發明中 的突起，係形成於與形成噴嘴孔3的扁平內面同一平面， 且位於極靠近開口這一側。噴嘴孔3的內周面4最好是形 成朝外側逐漸縮小直徑之圓錐面。此一朝外側逐漸縮小直 徑之圚錐的噴嘴孔3係具有縮小空氣噴流予以收歛之作用 ，並且與突起的作用效果之相乘作用之後，可獲得防止空 (請先閱讀背面之注意事崎再場寫本頁) .裝- 訂· 本紙張又度適用中國國家標準（CNS)甲4规恪（210 X 297么'贷） 82. 5. 20,000 經濟部中央櫺準局員工消赀合作钍印5衣 219380 A6 __B6_ 五、發明説明（6 ) 氣喷流擴散及延長噴流的到達距離之功效。 管部1本身係可爲不銹鋼之類的金屬製者或爲强化玻 璃製者，此外亦可利用陶瓷來形成以謀求提髙耐磨損性以 及防止經紗受損。例如，以部份穩定化的Zr〇2( 3 m 〇 ^ % Υ2〇3)陶瓷燒結體或强化玻璃所製作的補助 噴嘴具有可減少與經紗之間的滑動接觸之摩擦，而且即使 磨損時亦不至於產生造成經紗受損之凹凸或毛邊。 尤其是以陶瓷來成形時，可使用設有對應於形成於管 部1的內面上之突起2之凹部之可拔取之芯模來進行射出 成型製造。或者使用蠊製芯模或塑膠製的芯模來行射出成 形或鑄入成形而燒成毛胚後，再將此一毛胚經由脫脂過程 乃至預備燒結過程將芯模予以蒸發或燃燒去除而製造。 至於其他的方法係可採用例如：利用可朝軸方向脫模 之前端較少細的形狀i芯模進行射出成形或鑄入成形以形 成毛胚之後，將芯模由軸方向抽出；或者利用鑄入成形法 以形成中空狀的毛胚之後，在其最終燒結工程的前階段接 合上以陶瓷之高粘度泥漿乃至以黏土材料所成形的突起片 (即做成突起2的形狀之小片）之後，在管部1的內面上 形成突起2，然後與管部1 一起將突起2予以燒結之方法 ;或者在於以同樣方法成形的毛胚乃至其燒結體的管部1 上利用雙液混合硬化性或者熱硬化性樹脂接著劑將突起片 2予以接合之方法；或者直接利用上述樹脂本身來形成突 起2之方法。 藉由接合方式來形成突起2時，除了可用細長的把持 (請先閲讀背面之注意事項再填寫本頁) 裝. 本紙張又/t適用中國國家榫準（CNS)甲4規格（210 X 297公兌） 82. 5. 20,000 ^19330 Αθ Β6 經濟部中央標準局ME工消费合作社印製 五、發明説明（7 ) 工具將突起片2由管部1的基端插入到管部1內後予以接 合之方法外，亦可在於毛胚階段在管部1的突起形成部上 設SIT穿管壁之崁合孔，將突起2埋入在此一崁合孔的狀 態下予以接合。 利用陶瓷來製作時，應做成彎曲强度至少5MP以上 ，更好是超過1 OMP ( 1 0 OKg/平方mm)以上之 洛氏A硬度超過9 0以上之燒結懺，最好是以《曲强度超 過1 2 MP以上的材料來形成，如此一來不僅可防止因重 複應力所致的補助噴嘴之受損，同時亦可大幅減少因與經 紗之間的滑動接觸所致的噴嘴尖端部之磨損以及噴嘴孔之 磨損。 陶瓷製的補助噴嘴倘若噴嘴尖端部有若干磨損時亦因 其均勻磨損部不會造成面粗度之惡化以及毛邊之故，並無 刮傷經紗產生紗刺之虞。而以强化玻璃製作時，爲補其强 度不足，可藉加厚管部厚度而防止折損。 以陶瓷爲原料時，係以使用氧化锆系的陶瓷爲宜，而 燒結方法則以採用等方加壓燒結（Η I P )爲宜。例如： 使用以2. 5ΐΏ〇β%的氧化釔予以部份穩定化的氧化锆 泥漿作爲原料之成形法所成形的毛胚，在此一階段利用超 硬合金製的鑽頭或鑽石鑽頭來穿設噴嘴孔3的預備孔後， 在大氣氣相爐中以1 4 5 0 °C之溫度燒結2小時，然後在 不活性氣體（M)的氣相爐中以1 0 0 0至1 4 5 0 °C之 溫度，加壓力超過1 0 0 Okg/平方cm以上的條件下 進行Η I P處理，而可獲得彎曲强度超過1 2 0 k g/平 請 先 閲 it 背 意 事 -項 再 塡 寫 本 頁 裝 訂 本紙張尺度適用中國國家標準（CNS)甲4规格（210 X 297公發） -10 82. 5. 20,000 219380 A6 B6 經濟部中央標準局3工消費合作社印絜 五、發明説明（8 ) 方cm以上，比重超過6. 05 90. 5之適用於補助噴嘴之陶 至於毛胚的成形方法，係可 鑄造法、鏞入法、橡膠沖壓法、 法等。欲將突起2與管部1一體 形法。至於其他的方法，例如將 形狀之分開鑄模（可爲金屬或樹 ，注入以8 0°C之溫度加熱成融 做成已經固化之具有噴嘴內徑形 芯模將陶瓷注入成形。然後將此 脫脂爐內實施和以往的脫脂處理 然後進行燒結而獏得在其內面具 噴嘴燒結成形體。 此外若是燒結在^毛胚階段 或鑽石鑽頭穿設好噴嘴孔3的話 來硏磨即可以較經濟的方式來達 突起2亦可在於管部1成形 係利用射出成形或鋳入成形以形 用與該毛胚同種泥漿以製作突起 著該突起片。這種情況若毛胚完 收泥漿中的溶媒而不易黏著接合 適度稀釋過的泥漿或溶媒爲宜。 例如，在於部份穩定化的Z Y2〇3)的粉末中加入重量％爲 以上，洛氏A 瓷燒結體。 採用射出成形 黏土狀混練體 成形時，最好 包含有突起之 脂）在於溫熱 熔狀態，經冷 狀之蠘模，以 一內含芯模的 硬度 法、離心式 之濕式沖壓 採用射出成 噴嘴內徑的 後的狀態下 卻後開模而 此一蠛模爲 成形體送進 同樣之處理以去除蟠模， 有突起之一體形成之陶瓷 即利用超硬合金製的鑽頭 ，只需以倒圃錐形的磨石 成0 之後再後裝上去而形成。 成中空狀的毛胚之後，使 片，再使用同種泥漿來黏 全乾燥的話，易急速地吸 之故，最好添加一些已經 r〇2(3m〇5% 2 5至3 0%的水分，並 請 先 閱 背 意 事 項 再 填 寫 本 頁 裝 訂 Λ 本紙張尺度通用中a國家標準（CNS)甲4规格（210 X 297公發） 11 82. 5. 20,000 ^19380 經濟南中央標準局員工消費合作社印絮 A6 ______B6 _ 五、發明説明（9 ) 混入分散劑0 3%及蠟1至5%所得的泥漿實施脫泡後 ，灌入到大於噴嘴的外形尺寸長度2 5 %之石育模內，在 於達到預定的厚度時予以排泥、脫模並予以烘乾。在此一 成形體內鑽出一長圓形的崁合孔，並在該處崁入預先準備 好的同材質的突起片，再將間隙利用‘同種泥漿塡滿而可做 成一體之成形。 雖然亦可將突起片燒結之後再實施接著，但做成燒結 體時，若設於噴嘴之崁合孔與突起片的形狀未能正確地吻 合的話，會產生漏風之故，其後的修理工程較费事。 此外，突起2藉由事後再接合上去的情況，亦可採用 以環氧樹脂系的髙强度接著劑將預先以陶瓷、金颶、樹脂 等製作好的突起片接著於使用可朝軸向脫模之尖細形狀的 芯模來成形、或者將藉由鑄入法所形成的中空狀管部燒結 而成的陶瓷製管部之h面。此時的接著劑例如可使用環氧 樹脂系的熱硬化性樹脂以及雙液混和硬化性樹脂等。此外 亦可利用接著劑本身來形成突起2。 此外，補助噴嘴的管部1以不銹鋼等金屬來製作時， 係可在於管部成形之後，藉由打孔機的打擊或者沖壓等方 式令管壁朝內側局部變形而形成突起2。此外以强化玻璃 尤其是纖維强化玻璃等來形成補助噴嘴時，則可在於硬化 前的可塑性變形之前的階段，利用管壁押入模具使其朝內 側局部變形而形成突起2。 關於各部份的尺寸，長度L爲4 2mm，基端部的內 徑爲3. 4mm，由扁平部前端起的長度S爲23. 7 . . ^ 裝 訂 (請先閲讀背面之注意事項再塡寫本頁) 本紙張尺·度適用中國國家標準（CNS)甲4规格（210 X 297公釐） 82. 5. 20,000 經濟部中央標準局®:工消費合作社印製 219380 A6 ____B6__ 五、發明説明（10 ) mm，正面的前端半徑R爲2mni，管部的厚度t爲 0. 3mm側面方向前端半徑R爲0. 8mm。Θ扁平部 5的頂角爲6度，且被形成與軸線對稱之直線狀。噴嘴孔 在於由前端起a = 2mm之處開設一個直徑d爲1. 5 mm的孔，其內周面係如第三圖所示，乃形成一個其頂角 Φ朝外側縮成4 0度之圃錐面。突起2被設於由管部前端 起c = 4mm的位置處成薄片狀，其高度達喷嘴的中心軸 線A處。 藉由在於噴嘴孔3的正後方的管部1的內面設有突起 2使得在於管部1內的軸線方向流動的空氣在越過突起2 後便朝向噴嘴孔3轉向流動之故，使得空氣流朝噴出方向 之轉向非常地圓滑順暢。欲獲得此一空氣的轉向作用，突 起2須有某一程度的高度。 此外，若想避免空氣流在於突起2的形成部份被縮子 ，只要將突起2的寬度w做成短於管部1的內寬度B而在 於突起2的兩側形成令空氣朝向噴嘴前端迂迴之通路即可 Ο 第四、第五、第六圖係顯示第一、第二圖所示的突起 2之變更例。 第四、第五圖所示的突起係與第一、第二圖同樣地由 所形成噴嘴孔3的旁邊設有一個高度h爲0. 6mni之斷 面呈四角形狀的突起2，並使得突起2之靠近噴嘴孔3的 這一側的側面6與噴嘴孔的中心之間的距離e爲1 · 1 mm，且突起2的寬度w爲1_ 7mm。 (請先閲讀背面之注意事項再填寫本頁) 裝， 訂· 本紙張尺度適用中國國家標準（CNS)甲4规格（210 X 297 H ) 13 - 82. 5. 20,000 219380 A6 ____B6 五、發明説明（11 ) 又於第六圖中所示的第三實施例的突起2是形成一個 半徑g爲0 . 6 2 5mm的半圃狀斷面之例，該半圓狀斷 面的突起2的中心與喷嘴孔3的中心之間的距離f等於 1. 5mm，而突起2的宽度爲1_ 7mm。 不管那一種情況，突起2都必須設計成：由噴嘴孔3 的端部至突起2的上端之間的距離要小於噴嘴孔3之直徑 d。亦即，在第四圖中之四角形突起的時候，e大於d/ 2，小於3 d/2 ;在第六圖之半圓形突起之情況，f大 於（d/2 ) +g，且小於（3d/2 ) — g。 若將突起2設至於離開此一範圍之位置的話，則無法 獲得空氣流之穩定的轉向作用，而難以穩定噴流的方向。 另外，設有突起2的部份之管部1之導管斷面稹必須大於 噴嘴孔3的面積。若管部1之導管斷面稹小於噴嘴孔3的 面稹的話，管部1內的壓力損失趨大，並且變成流速不穩 之噴流。 (實施例2 ) 經濟部中央橒準局3工消费合作社印製 第七圖顯示本發明之第二實施例，係將管部1內部以 兩段的角度朝前端逐漸縮小。其基本構造係與上述第一圖 與第二圖所示的實施例相同，係朝前端方向將間隙尺寸縮 成兩段，且具有前端封閉的扁平部5，而噴嘴孔3設在靠 近此一扁平部5的前端附近之寬度方向的中央處。至於設 於靠近噴嘴孔3之管部1的基部之內壁上的突起2則可適 用與上述實施例1之第四至第六圖所示者相同形狀者。而 82. 5. 20,000 (請先閲讀背面之注意事作再填寫本頁) -裝. 本紙張尺度適用中國國家標準（CNS)俨4规烙（2】0 X 297公發） ^t93s〇 A6 B6 經濟部中央標準局W工消費合作社印製 五、發明説明（12 ) 且，在於具有朝第七圖的前端兩段渐縮角度之管部1上亦 試做出具有與上述實施例1的第四至第六圖所示者相同形 狀之突起2之補助喷嘴。 此外，做一個如第八圖所示的習知構造之噴嘴當作比 較例，並比較各個之特性。 各試驗結果顯示於第九圖至第十一圖。 第七圖所示者係以兩段角度朝前端漸縮之試做圖面。 此外，又就第八圖所示的形狀之以往構造的噴嘴上形成一 個與第3實施例相同尺寸的如第六圖所示的半圓狀斷面之 突起2而做成補助噴嘴當作第四實施例來進行試驗。 第九圖係就習用構造的噴嘴、在於第一圖及第二圇之 補助噴嘴上設有突起及未設突起者、以及設有第六圖的半 圓狀斷面之突起2之補助噴嘴等測定其流量與偏向角之關 係之結果。圖中横軸爲空氣流量Q(公升/分），縱軸爲 偏向角0Z (度），試料No.1代表第八圓所示習用構 造者，試料No. 2至4代表未設突起之第一圖及第二圖 之形狀者，試料No. 5至8代表設有突起之第一圖及第 二圖之形狀者，試料No. 9代表在試料No.1上設有 半圚狀斷面突起之第四實施例者。各試料d代表噴嘴孔的 直徑，a代表由管部前端至噴嘴孔的中心之距離。 茲由第九圖可知，根據本發明的補助噴嘴係藉由適切 地選擇噴嘴孔3的位置以及設置突起2，得以如試料 No. 5至8所示可大大幅小相對於流量變化之空氣噴射 方向之變化。又比較扁平部同樣爲平行之試料之1 請 先 閲 Λ 背 意 事 -項 再 塡 寫 本 裝 訂 各紙張尺度適用中國國家標準（CNS)甲·4规恪（210 X 297公釐） 15 - 82. 5. 20,000 經濟部中央榨準局®工消費合作社印製 ^13380 A6 ___B6___ 五、發明説明（13) 和試料No. 9可知No. 9的偏向角的變化較小。而與 試料No. 8相同形狀將喷嘴孔部在於管部內面及外面都 做成d=l. 58之直孔者的偏向角的變化增加到3. 5 度。由此可知，藉由同時形成突起2和第三圖的形狀的噴 嘴孔係可獲得促使偏向角的變化趙於更小之複合效果。 另外，以兩段角度朝向前端逐淅減少厚度的補助噴嘴 則因與經紗接觸部份的厚度變小之故，經紗的接觸阻力較 之以往僅有一段角度者更小，所以可獏得更佳品質的織物 0 第十圖顯示就本發明之設有突起2的補助噴嘴和習用 構造的補助噴嘴測定壓力特性之結果。圖中，横軸代表空 氣流董Q(公升/分），縱軸代表習用構造的補助噴嘴所 需的壓力爲1 0 0時，本發明的補助噴嘴所需的壓力。由 圚可知，本發明的補'助噴嘴只需以小於習用構造的補助噴 嘴所需的壓力即可獲得與習用構造的補助噴嘴相同的流量 。由此可知*使用本發明的補助噴嘴的話，可減少空氣壓 縮機所需的動力。 第十一圖係就習用構造的補助噴嘴、第一、第二圇的 形狀的補助噴嘴上設有及未設突起者、以及設有半圆狀斷 面突起2之補助喷嘴，測定其流量與速度衰減率之關係的 結果圖。圇中，橫軸代表空氣流量q (公升/分），縱軸 代表位於噴嘴孔3的噴出方向上之離開5 Omm，1 0 0 mni位置處之噴流中心速度U 5 0和U 1 0 0之比率，圖 中試料No. 1代表習用構造者，試料No. 2至4代表 本紙張尺度適用中國國家標準（CNS)甲4规恪（210 X 297公釐） -Jg . 82. 5. 20,000 (請先閲讀背面之注意事今再填寫本頁) 裝. 訂· 經濟部中央楞準局sr工消費合作枝印製 219330 A6 ________B6 五、發明説明（14 ) 未設突起之第一圖及第二圖之形狀者，試料No. 5至8 代表設有突起之第一圖及第二圖之形狀者，試料N 〇. 9代 表在試料No.1上設有半圓狀斷面突起者。各試料的d 代表噴嘴孔的直徑。a代表由管部前端至噴嘴孔的中心之 間的距離。根據本發明的補助喷嘴係可較之習用構造的補 助噴嘴具有更小之速度衰減率（相對於各流量）。 而且由實驗結果可知，將突起2的斷面形狀做成第四 、第五圖所示的四角形或者第六圖所示的半圓形，其間並 未看出具有意義的效果上的差異。其原因係可認爲：因突 起本身很小之故，幾乎可忽視流體之阻力以及無論如何改 變突起的形狀，在於噴嘴孔的基部方向近旁（圚中，噴嘴 孔的正後方）設S突起之作法本身所產生的空氣轉向作用 效果非常大的緣故。 (產業上之可利用性） 本發明的補助噴嘴由於管部係形成左右對稱之簡單形 狀之故，得以很容易製造，尤其是使用陶瓷作爲材料時的 成形性十分優異，可以提供採用陶瓷、金屬陶瓷、超硬合 金以及强化玻璃等材料之在於管部內面設有突起之具優異 的空氣噴射特性以及超高耐磨損性的補助噴嘴。 (請先閲讀背面之注意事崎再埸寫本頁) —裝. 本紙張足度適用中國國家標準（CNS)甲4規烙（210 X 297公釐） -17 - 82.5.20,000^ 19380 A6 B6 Printed by the Ministry of Economy + Central Bureau of Standards, 3 Industrial and Consumer Cooperatives 52 V. Description of the invention (1) (Technical field of the invention) The present invention relates to an air jet type machine for adding the shuttle force to the opening through the warp Auxiliary nozzles arranged along the weft yarn path for the weft yarn (Background technology) In order to weave the weft yarn, the air jet loom uses the air jet jet from the main nozzle and the air jetted from the auxiliary nozzle equipped with β along the weft yarn path The jet stream makes the weft yarn fly. The air jet is easy to diffuse and the jet speed is significantly reduced. If the air jet from the main nozzle is used alone, it is difficult to make the weft yarn fly up to the width of the entire fabric. Therefore, the auxiliary nozzle is used, and the air jet of the auxiliary nozzle is used to supplement the velocity and flow rate of the air jet in the flight path of the weft yarn, so that the weft yarn can fly to the full width of the woven fabric to complete weft insertion. Therefore, if you want to use the auxiliary nozzle to feed the weft yarn with sufficient amount and speed of air into the flight path of the weft yarn, the auxiliary nozzle itself must have the function of stabilizing the jet direction and reducing the attenuation of the jet velocity. Specifically, when the weft yarn is woven into the weft yarn, the extension direction of the auxiliary nozzle inserted between the warp yarns into the opening of the warp yarn is substantially at right angles to the direction of air ejection. The air flowing in the axial direction smoothly changes into the ejection direction to obtain an air jet with stable direction and good bundling. Therefore, in order to guide the air in the empty pipe of the auxiliary nozzle smoothly to the nozzle hole, for example, as shown in Japanese Unexamined Patent Publication No. 6 0 — 1 7 3 1 4 3 and Japanese Unexamined Patent Publication No. 1 — 8 5 3 4 6 etc. , By spraying the subsidy (please read the precautions on the back ^ and then fill out this page) 丨 installed ·, 1Τ. This paper standard is applicable to the Chinese national standard (CNS> A 4 specifications (2 丨 X 297 mm) 82 5. 5. 20,000 219360 A6 _B6_ 5. Description of the invention (2) The inner surface of the nozzle is asymmetrical in terms of its axis to ensure the directionality and bundling of the air jet. In terms of material, the auxiliary nozzle is It is made of a corrosion-resistant metal material such as stainless steel, but there is a problem of abrasion caused by contact with the warp yarn, so it is tried to form it with a ceramic with excellent abrasion resistance. However, The auxiliary nozzles of the conventional air jet loom still have various points to be improved. First, the air injection angle changes due to the change of the pressure of the supplied air. That is, when the auxiliary nozzle is moved, the auxiliary nozzle Weave The supplied air pressure must be adjusted for different types of weft yarns. However, when the pressure of the supplied compressed air is increased to increase the speed of the air ejected from the nozzle hole, the internal shape of the cavity is asymmetrical to the axis. And the shape of the nozzle with a conical surface that expands slightly outwards through the electric discharge machining hole, the air flow is deflected downward, and the air injection angle tends to change. Therefore, it is necessary to respond to the air injection angle. It is very troublesome to adjust the installation position and angle of the auxiliary nozzle by changing. It is actually very difficult to adjust the height and angle of the auxiliary nozzle when the warp is hung. Secondly, the second problem is the conventional auxiliary Due to the formation of an asymmetric flow path, the shape of the nozzle is also affected, so it has to form a left and right asymmetry. Since the installation angle of the auxiliary nozzle is not arranged in a parallel position for the warp yarn, it is not only for the warp yarn but also the machine. Risk of damage. This paper is again applicable to the Chinese § National Contrary Standard (CNS) A 4 specifications (· 210 X 297 mm) 82. 5. 20,000 S80 A6 B6 V. Description of the invention (3) In addition, the above-mentioned conventional auxiliary nozzles have a large attenuation rate of air jet velocity, which reduces the utilization efficiency of compressed air. The problem of increasing the operating cost of the susceptible machine. The purpose of the present invention is to provide an auxiliary nozzle which has excellent characteristics of stabilizing the direction of air flow and bundling, and can reduce the velocity attenuation rate of the air jet. Another object of the invention is to provide a subsidiary nozzle that can have the above functions in a simpler structure and can be manufactured at a lower cost. In addition, another object of the present invention is to provide a subsidiary nozzle that can reduce the consumption of compressed air Set e number of subsidy nozzles. (Summary of the invention) The present invention is directed to an auxiliary device for an air jet type machine having a flat portion in which a hollow tip inside a tube portion is closed, and a nozzle hole is provided in the center beside the closed tip of the k flat portion The nozzle is made such that a protrusion is provided on the inner surface of the side of the base of the nozzle hole on the base side. The thickness direction of the hollow part of the flat part of the tube part can be made symmetrical to the axis of the tube part and facing the tube part at an equal change rate of one or two segments. Please read the back matters first and then write this page. The Ministry of Central Standards and Technology Bureau ΚΓ 工 consumer cooperative prints Xiaocheng gradually outwards with a hole that can be shaped and can also be shaped. The small mouth shrinks with a built-in structure. Department front. The shape of the shape of the tube hole is as small as the surface, Lu outer circle: this, the diameter of the tube protrudes from the inside of the set surface. The function of the tube effect is listed in the lower hole and the nozzle is sprayed. According to 1 piece of paper, this paper uses the Chinese National Standard (CNS) A4 specifications (210 X:? 97 Ui) 82. 5. 20,000 213380 A6 B6 5. Description of the invention (4) The directionality is very good (2) Since it changes linearly towards the front end, it can be jetted. (3) Injury of warp yarn and machine express. (4) The jet of air that can be used by the conical surface of the diameter. Stable air jets for compressed air and compressed air. The flat part of the tube part is gradually reduced in shape with the tube part, and the shape of the directional part in the tube part to obtain a different flow rate can be made to be bilaterally symmetrical, and at the same time, the auxiliary nozzle can reduce the inside of the nozzle hole. The circumferential surface is formed to reduce the ejection resistance, and the tapir speed can reduce the consumption setting on the loom. The axis is symmetrical and there is no abrupt volume. Very stable air. This can suppress the damage to the outer side of the warp yarn. The attenuation rate is gradually reduced. The number of auxiliary nozzles is small. Please read It first, then write this page. Printed by the Cooperative Society of the Central Bureau of Standards (a brief description of the round surface) The first ϊ is the sectional side view of the first embodiment of the auxiliary nozzle of the present invention, the second # is the plan sectional view of the first picture, the first An enlarged cross-sectional view of the A-aged part of the second house of the San'an. I ... Figures 4 to 6 show examples of changes to the protrusions provided near the nozzle hole. The seventh figures (a) and (b) are a sectional side view and a plan view of the second embodiment of the auxiliary nozzle of the present invention, which is an example in which the thickness of a flat portion is formed in two steps. Figures 8 (a) and (b) show the cross-sectional side and plan views of conventional auxiliary nozzles. 4. The standard of clothing and paper is in accordance with the Chinese National Standard (CNS> A4) 丨 S · (210 X 297 Public Issues) 82. 5. 20,000 • Printed by the Central Bureau of Standards, Ministry of Economic Affairs, 3 Industrial and Consumer Cooperatives κ ^ 1 ύ S ά Ο Α6 _ . _Β6_ V. Description of the invention (5) The ninth to eleventh figures are characteristic diagrams of the auxiliary nozzle holes of the present invention, wherein the ninth figure shows the relationship between the flow rate and the deflection angle, and the tenth figure shows the comparison of the flow The test result of the relationship between children and pressure, the eleventh figure shows the rate of speed decay. (The best form for implementing the present invention) (Reference Example 1) This example shows that the flat part of the hollow part of the tube is The axis of the tube is symmetrical and an example of a shape that gradually decreases toward the front end of the tube at an equal rate of change. The wide / first withdrawal system shows the cross-section 1 of the first embodiment of the auxiliary nozzle of the present invention. The figure is the plan cross-sectional view of the first figure, and the third bundle is the si large cross-sectional view of the part A of the second figure. ~ In the first and second figures, 1 represents the air jet loom forming the present invention. Auxiliary nozzle pipe (pipe), 2 represents the side of the base of the pipe 1 of the nozzle hole 3 The protrusion of the inner wall surface. The tube portion 1 reduces the gap dimension b of the air passage cavity in the front end direction, and has a flat portion 5 with a closed front end, and the nozzle hole 3 is provided near the flat portion 52 The front end is located at the center in the width direction. 2 represents the protrusion in the present invention, and is formed on the same plane as the flat inner surface where the nozzle hole 3 is formed, and is located on the side very close to the opening. The inner peripheral surface 4 of the nozzle hole 3 It is best to form a conical surface that gradually decreases in diameter toward the outside. The nozzle hole 3 of the cone that gradually decreases in diameter toward the outside has the effect of reducing the air jet to converge, and after being multiplied by the effect of the protrusion, it can be Obtain the prevention of empty (please read the notes on the back of the page before writing this page). Binding-Order · This paper is again applicable to the Chinese National Standard (CNS) A 4 regulations (210 X 297 Mo 'loan) 82. 5. 20,000 Employees of the Central Bureau of Economic Development of the Ministry of Economic Affairs cooperated with the thorium 5 clothing 219380 A6 __B6_ 5. Description of the invention (6) The effect of the gas jet diffusion and the extension of the reach of the jet. The tube 1 itself can be a metal such as stainless steel Maker In order to strengthen the glass, it can also be formed using ceramics to improve wear resistance and prevent warp damage. For example, partially stabilized Zr〇2 (3 m 〇 ^% Υ2〇3) ceramic sintering The auxiliary nozzle made of body or strengthened glass can reduce the friction of sliding contact with the warp yarn, and even if it is worn, it will not cause irregularities or burrs that damage the warp yarn. Especially when it is formed by ceramics, you can use the device There is a removable mandrel corresponding to the concave part of the protrusion 2 formed on the inner surface of the tube part 1 for injection molding manufacturing. Or use a cockroach or plastic mandrel for injection molding or cast molding After sintering the blanks, the blanks are manufactured through the degreasing process or the preliminary sintering process to evaporate or burn the core mold. As for other methods, for example, injection molding or casting can be performed using a shape i core mold with a relatively thin front end that can be demolded in the axial direction, or after casting to form a blank, the core mold can be extracted from the axial direction; or by casting After the forming method is used to form a hollow blank, at the early stage of its final sintering process, a high-viscosity slurry made of ceramics or even a protruding piece formed of clay material (that is, a small piece shaped as a protrusion 2) is joined. A method of forming protrusions 2 on the inner surface of the tube part 1 and then sintering the protrusions 2 together with the tube part 1; or using the two-liquid mixed hardenability of the blanks formed by the same method and even the tube part 1 of the sintered body Either a method of bonding the protruding sheet 2 with a thermosetting resin adhesive; or a method of directly forming the protrusion 2 using the resin itself. When the protrusion 2 is formed by the joint method, in addition to the slender grip (please read the precautions on the back before filling out this page), this paper is also applicable to the Chinese National Tenon Standard (CNS) A 4 specification (210 X 297 Public exchange) 82. 5. 20,000 ^ 19330 Αθ Β6 Printed by ME Industrial and Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of invention (7) The tool inserts the protruding piece 2 from the base end of the pipe part 1 into the pipe part 1 In addition to the method of joining, it is also possible to provide an engagement hole through which the SIT penetrates the tube wall in the protrusion forming portion of the tube portion 1 at the blank stage, and the protrusion 2 is buried in this engagement hole to be joined. When using ceramics, it should be made with a bending strength of at least 5MP, more preferably a Rockwell A hardness of more than 1 OMP (10 OKg / square mm) or more, and a sintered sinter of more than 90 or more. It is formed by materials over 12 MP, which not only prevents damage to the auxiliary nozzle due to repeated stress, but also greatly reduces the wear of the nozzle tip due to sliding contact with the warp yarn and Nozzle hole wear. If the auxiliary nozzle made of ceramic has some abrasion at the tip of the nozzle, the uniformly abraded part will not cause the deterioration of the surface roughness and the burr, so there is no risk of scratches on the warp yarn. In order to make up for the lack of strength when it is made of strengthened glass, it is possible to prevent the breakage by thickening the thickness of the tube. When ceramics is used as the raw material, it is preferable to use zirconia-based ceramics, and the sintering method is preferably to use equal pressure sintering (HIP). For example: A blank formed by a forming method using zirconia slurry partially stabilized with 2.5% Υ〇β% yttrium oxide as a raw material, at this stage, a cemented carbide drill or a diamond drill is used for penetration After the preparation hole of the nozzle hole 3, it is sintered in an atmospheric gas-phase furnace at a temperature of 1 4 5 0 ° C for 2 hours, and then in an inert gas (M) gas-phase furnace at a temperature of 1 0 0 0 to 1 4 5 0 If the temperature is ° C, the pressure is more than 1 0 0 Okg / cm2 and the Η IP treatment is carried out, and the bending strength is more than 1 2 0 kg / flat. Please read it first. The size of the bound paper is in accordance with the Chinese National Standard (CNS) A4 specifications (210 X 297 public issue) -10 82. 5. 20,000 219380 A6 B6 Central Bureau of Standards, Ministry of Economic Affairs 3 Industrial and Consumer Cooperatives Institution V. Invention description (8) Above cm, the specific gravity is more than 6. 05 90. 5 is suitable for the method of forming the ceramics for the auxiliary nozzle as the blank, which is the casting method, the nipple method, the rubber stamping method, and the like. To integrate the protrusion 2 with the tube portion 1 As for other methods, for example, the shape of the separate mold (which can be metal or tree, injected at 80 ° C and heated to melt to make a solidified core mold with a nozzle inner diameter to inject ceramic into the mold. Then degrease In the furnace and the previous degreasing treatment and then sintering, the tapir can be sintered in the nozzle. In addition, if it is sintered at the blank stage or the diamond drill bit is equipped with the nozzle hole 3, it can be more economical to grind. Lada protrusion 2 can also be formed in the tube part 1 by injection molding or injection molding to use the same kind of mud as the blank to make the protrusion. In this case, it is not easy to complete the solvent in the mud after the blank It is advisable to adhere the mud or solvent that has been properly diluted. For example, in a partially stabilized powder of ZY2〇3), the Rockwell A porcelain sintered body is added by weight% or more. When using injection molding clay-like kneaded body, it is best to include protruding grease) in a hot-melt state, through a cold-shaped worm die, using a hardness method with a core die, centrifugal wet stamping using injection molding In the state after the inner diameter of the nozzle, the mold is opened later, and this mold is sent to the molded body to remove the pan mold. The ceramic formed by a protrusion is made of a cemented carbide drill. The garden cone-shaped grindstone becomes 0 and then it is installed afterwards. After the hollow embryo is formed, if the sheet is dried with the same kind of mud, it is easy to absorb quickly. Therefore, it is best to add some water that has been r〇2 (3m〇5% 25 to 30%, Please read the back matters first and then fill out this page for binding Λ This paper standard is common in the national standard (CNS) A 4 specifications (210 X 297 public issue) 11 82. 5. 20,000 ^ 19380 Economic Southern Central Standards Bureau Staff Consumer Cooperative Imprint A6 ______B6 _ V. Description of the invention (9) After degassing the slurry obtained by mixing dispersant 0 3% and wax 1 to 5%, it is poured into a stone cultivating mold larger than 25% of the external dimension length of the nozzle. When the thickness is predetermined, it will be drained, demolded and dried. In this forming body, an oblong hole is drilled, and a pre-prepared protruding piece of the same material is drilled there, and then the gap It can be made into one piece by using the same kind of mud. Although the protruding piece can be sintered and then carried out, when the sintered body is formed, the shape of the engagement hole provided in the nozzle and the protruding piece may not be correct. If it matches, it will cause air leakage, its The repair work is more time-consuming. In addition, in the case where the protrusion 2 is joined afterwards, the epoxy resin-based high-strength adhesive can also be used to attach the protrusion piece made in advance using ceramic, gold hurricane, resin, etc. It can be formed by a tapered mandrel that can be demolded in the axial direction, or the h-plane of a ceramic tube made of a hollow tube formed by a casting method. The adhesive at this time can be used, for example Epoxy-based thermosetting resin and two-liquid mixed curable resin, etc. In addition, the adhesive itself can be used to form the protrusion 2. In addition, when the tube portion 1 of the auxiliary nozzle is made of metal such as stainless steel, it can be in the tube After the part is formed, the tube wall is partially deformed inward by punching or punching with a puncher to form protrusions 2. In addition, when the auxiliary nozzle is formed by strengthened glass, especially fiber reinforced glass, etc., the plasticity before hardening can be 4mm before the deformation, the tube wall is pressed into the mold to partially deform inward to form a protrusion 2. Regarding the size of each part, the length L is 4 2mm, the inner diameter of the base end is 3. 4mm , The length S from the front end of the flat part is 23. 7... ^ Binding (please read the precautions on the back before writing this page). The paper size and degree are applicable to China National Standard (CNS) A 4 specifications (210 X 297 Mm) 82. 5. 20,000 Central Bureau of Standards ® of the Ministry of Economic Affairs: Printed 219380 A6 ____B6__ by the Industrial and Consumer Cooperatives 5. Description of the invention (10) mm, the radius R of the front end of the front is 2mni, and the thickness t of the tube is 0. 3mm The radius R of the front end of the direction is 0.8 mm. The apex angle of the flat portion 5 is 6 degrees, and is formed into a linear shape symmetrical to the axis. The nozzle hole has a diameter d of 1.5 mm from the front end where a = 2 mm The inner peripheral surface of the hole is as shown in the third figure, which forms a garden cone surface whose vertex angle Φ is reduced to 40 degrees toward the outside. The protrusion 2 is provided in a sheet shape at a position of c = 4 mm from the front end of the pipe portion, and its height reaches the center axis A of the nozzle. Since the protrusion 2 is provided on the inner surface of the tube portion 1 directly behind the nozzle hole 3, the air flowing in the axial direction in the tube portion 1 diverts toward the nozzle hole 3 after passing over the protrusion 2, so that the air flow The steering in the direction of ejection is very smooth and smooth. To obtain the turning effect of this air, the protrusion 2 must have a certain height. In addition, if you want to avoid the air flow in the forming part of the protrusion 2, the width w of the protrusion 2 is made shorter than the inner width B of the tube 1 and the two sides of the protrusion 2 are formed so that the air detours toward the nozzle tip The path is sufficient. The fourth, fifth, and sixth diagrams show examples of changes to the protrusions 2 shown in the first and second diagrams. The protrusions shown in the fourth and fifth figures are the same as the first and second figures. A protrusion 2 with a height h of 0.6 mni and a quadrangular cross section is provided beside the formed nozzle hole 3, and the protrusion The distance e between the side surface 6 on the side of the nozzle hole 3 closer to the center of the nozzle hole 2 is 1.1 mm, and the width w of the protrusion 2 is 1-7 mm. (Please read the precautions on the back before filling in this page) Binding, Ordering · This paper size is applicable to China National Standard (CNS) A 4 specifications (210 X 297 H) 13-82. 5. 20,000 219380 A6 ____B6 V. Description of the invention (11) The protrusion 2 of the third embodiment shown in the sixth figure is an example of forming a half-groove-shaped cross-section with a radius g of 0.625 mm. The center of the protrusion 2 of the semi-circular cross-section is The distance f between the centers of the nozzle holes 3 is equal to 1.5 mm, and the width of the protrusion 2 is 1_7 mm. In either case, the protrusion 2 must be designed such that the distance from the end of the nozzle hole 3 to the upper end of the protrusion 2 is smaller than the diameter d of the nozzle hole 3. That is, when the quadrilateral protrusion in the fourth picture, e is greater than d / 2, less than 3 d / 2; in the case of the semicircular protrusion in the sixth picture, f is greater than (d / 2) + g, and less than (3d / 2) — g. If the protrusion 2 is provided at a position away from this range, a stable turning effect of the air flow cannot be obtained, and it is difficult to stabilize the direction of the jet flow. In addition, the pipe section 1 of the tube portion 1 where the protrusion 2 is provided must be larger than the area of the nozzle hole 3. If the duct cross section of the pipe section 1 is smaller than that of the nozzle hole 3, the pressure loss in the pipe section 1 tends to increase, and it becomes a jet flow with an unstable flow rate. (Embodiment 2) Printed by the Central Bureau of Economic Affairs, Ministry of Economic Affairs, 3 Industrial and Consumer Cooperatives. The seventh figure shows the second embodiment of the present invention, which gradually narrows the inside of the pipe section 1 toward the front end at two stages. The basic structure is the same as the embodiment shown in the first and second figures above, and the gap size is reduced into two sections toward the front end, and the flat portion 5 with the front end closed is provided, and the nozzle hole 3 is provided near this one The center of the flat portion 5 near the front end in the width direction. As for the protrusion 2 provided on the inner wall of the base of the tube portion 1 close to the nozzle hole 3, the same shape as that shown in the fourth to sixth figures of the above-mentioned Embodiment 1 can be applied. 82. 5. 20,000 (please read the precautions on the back and then fill out this page)-installed. The paper size is applicable to the Chinese National Standard (CNS) and 4 gauge branding (2) 0 X 297 public issue) ^ t93s〇A6 B6 Printed by the Central Bureau of Standards of the Ministry of Economics and Industry and Consumer Cooperatives V. Description of the invention (12) Moreover, on the pipe section 1 with two tapering angles toward the front end of the seventh figure, a test with the above example 1 was also made. The auxiliary nozzle of the protrusion 2 of the same shape as shown in the fourth to sixth figures. In addition, make a nozzle with a conventional structure as shown in Figure 8 as a comparison example, and compare the characteristics of each. The test results are shown in the ninth to eleventh figures. The image shown in the seventh figure is a trial drawing with two angles tapering toward the front. In addition, the nozzle of the conventional structure of the shape shown in the eighth figure is formed with a protrusion 2 of a semicircular cross section as shown in the sixth figure of the same size as the third embodiment, and the auxiliary nozzle is made as the fourth Examples to test. The ninth figure is the measurement of the conventional structure of the nozzle, the auxiliary nozzle provided with protrusions and no protrusions on the auxiliary nozzles of the first figure and the second wall, and the auxiliary nozzle of the protrusion 2 with the semicircular cross section of the sixth figure. The result of the relationship between its flow rate and deflection angle. In the figure, the horizontal axis is the air flow rate Q (liters / min), and the vertical axis is the deflection angle 0Z (degrees). Sample No. 1 represents the conventional structure shown in the eighth circle, and samples No. 2 to 4 represent the number without protrusions. The shape of one picture and the second picture, the sample No. 5 to 8 represent the shape of the first picture and the second picture provided with protrusions, the sample No. 9 represents the half-shaped cross section on the sample No. 1 The fourth embodiment of the protrusion. Each sample d represents the diameter of the nozzle hole, and a represents the distance from the front end of the tube portion to the center of the nozzle hole. It can be seen from the ninth figure that the auxiliary nozzle according to the present invention is capable of greatly injecting air with respect to the change in flow rate as shown in sample Nos. 5 to 8 by appropriately selecting the position of the nozzle hole 3 and providing the protrusion 2 Change of direction. Also compare the flat part of the sample that is also parallel. Please read the Λ backing matter-item and then write the book. Each paper size is applicable to China National Standard (CNS) A · 4 regulations (210 X 297 mm) 15-82. 5. 20,000 Printed by the Central Press Bureau of the Ministry of Economic Affairs® Industrial and Consumer Cooperatives ^ 13380 A6 ___B6___ V. Description of the invention (13) and sample No. 9 It can be seen that the deviation of the deviation angle of No. 9 is small. With the same shape as the sample No. 8, the change of the deflection angle of the nozzle hole portion on the inner surface and the outer surface of the tube portion into d = 1.58 straight hole increased to 3.5 degrees. From this, it can be seen that by forming the nozzle hole system of the shape of the protrusion 2 and the third figure at the same time, a composite effect that promotes the change of the deflection angle can be made smaller. In addition, the auxiliary nozzle that reduces the thickness step by step toward the front end at two angles has a smaller contact thickness with the warp yarn, and the contact resistance of the warp yarn is smaller than that in the past with only one angle, so it can be tapped better. Quality Fabric 0 Figure 10 shows the results of measuring the pressure characteristics of the auxiliary nozzle provided with the protrusion 2 and the auxiliary nozzle of the conventional structure of the present invention. In the figure, the horizontal axis represents the air flow rate Q (liters / min), and the vertical axis represents the pressure required by the auxiliary nozzle of the present invention when the pressure required by the auxiliary nozzle of the conventional structure is 100. It can be seen from the graph that the supplementary nozzle of the present invention can obtain the same flow rate as the conventionally constructed auxiliary nozzle with a pressure lower than that required by the conventionally constructed auxiliary nozzle. This shows that the use of the auxiliary nozzle of the present invention can reduce the power required by the air compressor. Figure 11 shows the auxiliary nozzles of the conventional structure, the auxiliary nozzles with and without protrusions in the shape of the first and second walls, and the auxiliary nozzles with the semicircular cross-sectional protrusions 2, and the flow rate and velocity are measured. Graph of the relationship between the attenuation rate. In 囵, the horizontal axis represents the air flow q (liters / min), and the vertical axis represents the distance between the jet hole center velocity U 5 0 and U 1 0 0 at the position of 5 Omm and 100 mni in the direction of the nozzle hole 3 Ratio, the sample No. 1 in the figure represents the conventional constructor, and the sample Nos. 2 to 4 represent the paper scale applicable to the Chinese National Standard (CNS) A 4 regulations (210 X 297 mm) -Jg. 82. 5. 20,000 ( Please read the precautions on the back first and then fill out this page). Binding. Order · Printed by the Central Bureau of Economics of the Ministry of Economic Affairs, sr, industrial and consumer cooperation 219330 A6 ________B6 V. Description of the invention (14) The first picture and the second without protrusion In the shape of the figure, sample Nos. 5 to 8 represent the shapes of the first and second figures provided with protrusions, and sample No. 9 represents those provided with the semicircular cross-sectional protrusions in sample No. 1. The d of each sample represents the diameter of the nozzle hole. a represents the distance from the front end of the pipe to the center of the nozzle hole. The auxiliary nozzle according to the present invention can have a smaller velocity decay rate (relative to each flow rate) than the auxiliary nozzle of conventional construction. From the experimental results, it can be seen that the cross-sectional shape of the protrusion 2 is made into a quadrangular shape as shown in the fourth and fifth figures or a semi-circular shape as shown in the sixth figure, and no significant difference in effect is seen between them. The reason for this is that, because the protrusion itself is very small, the resistance of the fluid can be almost ignored and the shape of the protrusion can be changed anyway. The S protrusion is located near the base of the nozzle hole (in the middle, directly behind the nozzle hole) The air turning effect produced by the practice itself is very large. (Industrial Applicability) The auxiliary nozzle of the present invention can be easily manufactured because the tube portion is formed into a simple shape that is bilaterally symmetrical, especially when ceramic is used as the material, the formability is very excellent, and ceramic or metal can be provided. Materials such as ceramics, cemented carbide, and tempered glass are provided with protrusions on the inner surface of the tube to provide auxiliary nozzles with excellent air injection characteristics and ultra-high wear resistance. (Please read the precautions on the back first and then write this page) — Pack. This paper is fully compliant with the Chinese National Standard (CNS) Grade 4 (210 X 297 mm) -17-82.5.20,000