JPH0426464Y2 - - Google Patents
Info
- Publication number
- JPH0426464Y2 JPH0426464Y2 JP1986202414U JP20241486U JPH0426464Y2 JP H0426464 Y2 JPH0426464 Y2 JP H0426464Y2 JP 1986202414 U JP1986202414 U JP 1986202414U JP 20241486 U JP20241486 U JP 20241486U JP H0426464 Y2 JPH0426464 Y2 JP H0426464Y2
- Authority
- JP
- Japan
- Prior art keywords
- weft
- suction
- tip
- cutting
- gripping
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 239000002759 woven fabric Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000010009 beating Methods 0.000 description 7
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Looms (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
考案の目的
本考案は無杼織機において緯入された緯糸の先
端側を吸引把持して張力を付与する装置に関する
ものである。[Detailed Description of the Invention] (Industrial Field of Application) Purpose of the Invention The present invention relates to a device that applies tension by suctioning and gripping the leading end of a weft thread inserted in a shuttleless loom.
（従来の技術）
緯入れされる緯糸の先端がフリー状態となる無
杼織機では緯入れ終了後の緯糸先端側を捕捉して
適宜の張力を付与する必要があり、そのために捨
耳形成という一般的な手段が採られている。しか
しながら、捨耳形成には高価な捨耳用経糸、その
開口装置、捨耳引き取り装置等が必要となり、大
掛かりな構成が避けられない上、捨耳用経糸の補
給、捨耳用経糸切断時の補修等の織機操作性及び
コスト的にも不利である。そこで、捨耳形成を行
なうことなく緯糸先端側を捕捉する手段が例えば
特公昭44−12864号公報、実公昭45−8370号公報、
特開昭59−30939号公報、実開昭61−55084号公報
に開示されている。(Prior art) In shuttleless looms, where the tip of the weft yarn being inserted is in a free state, it is necessary to capture the tip side of the weft yarn after weft insertion and apply appropriate tension. measures are being taken. However, forming the selvedge requires expensive selvage warp, its shedding device, selvage removal device, etc., making it unavoidable to have a large-scale configuration. This is disadvantageous in terms of operability of the loom such as repairs and costs. Therefore, means for capturing the weft tip side without forming a selvedge are disclosed in, for example, Japanese Patent Publication No. 12864/1986 and Publication No. 8370/1983.
It is disclosed in Japanese Unexamined Patent Publication No. 59-30939 and Japanese Utility Model Application No. 61-55084.
（考案が解決しようとする問題点）
ところが、これらのうち前３者における把持手
段は吸引力主体であり、緯糸先端側を捕捉して張
力を付与するための吸引把持力が捨耳形成方式に
比して弱くなることは否めず、織布品質上問題が
ある。実開昭61−55084号公報の把持手段では緯
糸先端捕捉用の吸引手段に加えて機械的把持手段
が設置されており、この機械的把持手段が張力付
与を専ら受け持つている。従つて、把持そのもの
に関して捨耳形成方式と同等以上の作用効果が得
られる。しかしながら、機械的把持手段を構成す
る一対の把持レバーの先端把持部が吸引口から離
れた位置に設定されているため、吸引手段による
緯糸先端吸引捕捉と把持レバーによる緯糸先端把
持との整合性に信頼性を欠き、緯糸先端部の確実
な捕捉保持を期待することができない。しかも、
緯入れ終了時期付近を除けば前記把持レバーの先
端把持部が揺動する筬の後方に配置されることに
なり、そのために筬打ち時に緯糸先端部が前記把
持部から外れてしまうおそれがある。(Problem to be solved by the invention) However, among these, the gripping means in the first three methods are mainly based on suction force, and the suction gripping force for capturing the weft tip side and applying tension is not applied to the selvedge forming method. It is undeniable that the weave becomes weaker than the other one, which poses a problem in terms of the quality of the woven fabric. The gripping means disclosed in Japanese Utility Model Application Publication No. 61-55084 is provided with a mechanical gripping means in addition to a suction means for capturing the weft tip, and this mechanical gripping means is solely responsible for applying tension. Therefore, with regard to the grip itself, it is possible to obtain an effect that is equivalent to or better than that of the selvage forming method. However, since the tip gripping parts of the pair of gripping levers constituting the mechanical gripping means are set at a position away from the suction port, there is a problem in consistency between the suction and capture of the weft tip by the suction means and the gripping of the weft yarn tip by the gripping lever. It lacks reliability and cannot be expected to securely capture and hold the weft tip. Moreover,
Except near the end of weft insertion, the tip gripping portion of the gripping lever is disposed behind the swinging reed, so there is a risk that the weft tip will come off the gripping portion during beating.
（問題点を解決するための手段）
そこで本考案では、緯入れされた緯糸の先端部
を筬打ち毎に切断分離する切断手段を織布の織前
の側方近傍に設置すると共に、緯入れされた緯糸
を前記切断手段の切断領域に規定する位置規制手
段を前記切断手段の外方に設置し、スレイ上に立
設された緯糸案内通路内を飛走案内された緯糸の
先端部と交差する空気流を生起する吸引手段を、
前記位置規制手段のさらに外方と対応するスレイ
上に設けた。(Means for solving the problem) Therefore, in the present invention, a cutting means for cutting and separating the leading end of the inserted weft yarn each time is installed in the vicinity of the side of the front of the woven fabric, and A position regulating means is installed outside the cutting means to define the weft yarn in the cutting area of the cutting means, and the position regulating means is installed outside the cutting means, and the position regulating means is installed outside the cutting means, and intersects with the leading end of the weft yarn guided by the flying weft yarn in a weft guiding passage provided upright on the slay. a suction means that produces an air flow that
It was provided on a slay corresponding to a further outer side of the position regulating means.
（作用）
即ち、スレイ上の緯糸案内通路内を通つて緯入
れされた緯糸先端部は同じくスレイ上の吸引手段
により吸引把持され、緯糸はこの吸引把持状態の
まま筬打ちされる。すると筬打ちに伴つて緯糸先
端部が位置規制手段により切断手段の切断領域に
位置規制され、筬打ち後のスレイの後退時には吸
引把持作用、位置規制作用及び吸引手段の後退運
動の協働により緯糸が適宜の張力を付与される。
この状態で緯糸先端部が前記切断手段により切断
分離されて吸引手段により吸引除去され、以後、
緯入れ毎に緯糸先端部の吸引把持、筬打ち、切断
及び吸引除去が繰り返される。(Function) That is, the tip of the weft thread inserted through the weft guide passage on the slay is suctioned and gripped by the suction means on the slay, and the weft thread is beaten in this suctioned and gripped state. Then, as the slay is beaten, the position of the weft tip is regulated in the cutting area of the cutting means by the position regulating means, and when the sley retreats after beating, the weft thread is is applied with appropriate tension.
In this state, the weft tip is cut and separated by the cutting means and removed by suction by the suction means.
At each weft insertion, suction gripping, beating, cutting, and suction removal of the weft tip are repeated.
（実施例）
以下、本考案を具体化して一実施例を第１〜５
図に基づいて説明する。(Example) Hereinafter, examples 1 to 5 will be explained by embodying the present invention.
This will be explained based on the diagram.
第１図に示すようにスレイ１上に立設された変
形筬２が反緯入れ側にて一部削除され、窓２ａが
形成されている。窓２ａよりも反緯入れ側にてス
レイ１前面の取付溝１ａには光電式緯糸検出器３
が設置されており、図示しない緯入れ用メインノ
ズル及び取付溝１ａに設置された補助ノズルから
の噴射流体により変形筬２前面の緯糸案内通路Ｓ
内を飛走案内される緯糸Ｙの有無が検出されるよ
うになつている。 As shown in FIG. 1, a portion of the modified reed 2 erected on the sleigh 1 is removed on the side opposite to the weft insertion to form a window 2a. A photoelectric weft detector 3 is installed in the mounting groove 1a on the front surface of the sley 1 on the side opposite to the weft insertion side from the window 2a.
is installed, and the weft guide path S on the front surface of the deformable reed 2 is caused by the fluid jetted from the main nozzle for weft insertion (not shown) and the auxiliary nozzle installed in the attachment groove 1a.
The presence or absence of the weft yarn Y being guided in flight is detected.
変形筬２の側方にてスレイ１の取付溝１ａには
吸引パイプ４が取付位置調整可能に締付固定され
ており、吸引パイプ４には排出ホース５がトラン
スベクタ６を介して接続されていると共に、トラ
ンスベクタ６には電磁バルブ７が供給ホース２１
を介して接続されている。電磁バルブ７は図示し
ない圧縮空気供給タンクに接続されており、緯入
れ終了時期よりも若干前から筬打ち後の所定時期
にわたつて開放し、圧縮空気を供給する。変形筬
２の後面側には噴射パイプ８が取付位置調整可能
に締付固定されていると共に、噴射パイプ８には
供給ホース９が接続されており、供給ホース９は
電磁バルブ７に接続されている。噴射パイプ８の
噴射口８ａと吸引パイプ４の吸引口４ａとは緯糸
案内通路Ｓを挟んで対向設定されている。 A suction pipe 4 is tightened and fixed in the mounting groove 1a of the slay 1 on the side of the deformed reed 2 so that its mounting position can be adjusted, and a discharge hose 5 is connected to the suction pipe 4 via a transvector 6. At the same time, a solenoid valve 7 is connected to the supply hose 21 in the transvector 6.
connected via. The electromagnetic valve 7 is connected to a compressed air supply tank (not shown), and is opened for a predetermined period of time from slightly before the end of weft insertion to after beating to supply compressed air. An injection pipe 8 is fastened and fixed to the rear side of the modified reed 2 so that its mounting position can be adjusted.A supply hose 9 is connected to the injection pipe 8, and the supply hose 9 is connected to the electromagnetic valve 7. There is. The injection port 8a of the injection pipe 8 and the suction port 4a of the suction pipe 4 are set to face each other with the weft guide passage S interposed therebetween.
変形筬２の窓２ａと対応する織布Ｗの端縁近傍
において織前Ｗ１の側方には固定刃１０及び可動
刃１１からなるカツターが設置されており、可動
刃１１が電磁ソレノイド１２により駆動されるよ
うになつている。固定刃１０を支持する固定軸１
３上にて可動刃１１の側方にはカツターガイド１
４が取付けられており、カツターガイド１４の中
間部上縁にて織前Ｗ１の略延長線上には位置規制
溝１４ａが形成されている。 A cutter consisting of a fixed blade 10 and a movable blade 11 is installed on the side of the woven fabric W1 near the edge of the woven fabric W corresponding to the window 2a of the deformed reed 2, and the movable blade 11 is driven by an electromagnetic solenoid 12. It is becoming more and more common. Fixed shaft 1 supporting fixed blade 10
On the side of the movable blade 11 on the cutter guide 1
4 is attached to the cutter guide 14, and a position regulating groove 14a is formed at the upper edge of the intermediate portion of the cutter guide 14 approximately on an extension line of the cloth cover W1.
なお、第２〜４図に示す１５はテンプル装置で
ある。 Note that 15 shown in FIGS. 2 to 4 is a temple device.
さて、緯糸案内通路Ｓ内へ射出緯入れされた緯
糸Ｙの緯入れが終了時期よりも前に電磁バルブ７
が開き、噴射パイプ８の噴射口８ａには噴射流が
生じると共に、吸引パイプ４の吸引口４ａには吸
引流が生じる。これにより噴射口８ａと吸引口４
ａとの間には緯糸案内通路Ｓの延長領域と交差す
る空気流が生じる。緯入れ終了時期になると、緯
糸Ｙの先端部が噴射口８ａと吸引口４ａとの間に
到達し、第２図に示すように吸引パイプ４内に吸
引導入される。この吸引把持状態を維持したまま
第３図に示すように緯糸Ｙが筬打ちされ、固定刃
１０、可動刃１１及びカツターガイド１４が窓２
ａ内に、入り込むと共に、緯糸Ｙがカツタガイド
１４の位置規制溝１４ａ内に非把持状態で規定保
持される。この場合、緯糸Ｙ先端部が吸引口４ａ
の縁部で吸引パイプ４の移動方向と逆方向へ略直
角に屈曲して導入されているため、吸引把持力に
屈曲抵抗を加えた十分な張力が緯糸Ｙに付与さ
れ、緯糸Ｙの織前Ｗ１への打ち込み状態は良好で
ある。筬打ち後、スレイ１の後退と共に噴射パイ
プ８及び吸引パイプ４が一体的に後退することに
より、吸引パイプ４に吸引把持された緯糸Ｙの先
端部が第４，５図に示すように位置規制溝１４ａ
を基点として若干後方寄りに引つ張られ、カツタ
ーと略直交する。そして、電磁ソレノイド１２が
励磁され、緯糸Ｙの先端部が上下経糸に把持され
た状態で切断分離されるが、緯糸先端部の引張方
向、及び吸引把持力と屈曲抵抗との張力付与作用
によりこの切断は良好に行われる。即ち、吸引把
持作用、カツターガイド１４の位置規制作用及び
スレイ１の後退運動に伴う吸引パイプ４の引張作
用との協働により緯糸Ｙが既に形成された布端に
悪影響を与えることなく適正な張力を付与され、
切断される。この切断分離された緯糸先端部は吸
引パイプ４内に直ちに吸引され、排出ホース５を
経由して所定の場所に排出される。 Now, the electromagnetic valve 7
opens, a jet flow is generated at the jet port 8a of the jet pipe 8, and a suction flow is generated at the suction port 4a of the suction pipe 4. As a result, the injection port 8a and the suction port 4
An air flow intersects with the extension area of the weft guide path S between the weft guide path S and the weft guide path S. At the end of weft insertion, the tip of the weft yarn Y reaches between the injection port 8a and the suction port 4a, and is sucked into the suction pipe 4 as shown in FIG. While maintaining this suction gripping state, the weft Y is beaten as shown in FIG. 3, and the fixed blade 10, movable blade 11, and cutter guide 14
a, and the weft Y is held within the position regulating groove 14a of the cutter guide 14 in a non-grip state. In this case, the tip of the weft Y is the suction port 4a.
Since the suction pipe 4 is bent at a substantially right angle in the direction opposite to the moving direction of the suction pipe 4 at the edge thereof, sufficient tension, which is the suction gripping force plus bending resistance, is applied to the weft yarn Y, and the weft yarn Y is The state of implantation into W1 is good. After beating, the injection pipe 8 and the suction pipe 4 retreat together with the retreat of the slay 1, so that the tip of the weft yarn Y, which is sucked and gripped by the suction pipe 4, is regulated in position as shown in FIGS. 4 and 5. Groove 14a
It is pulled slightly backwards from the base point, and is approximately perpendicular to the cutter. Then, the electromagnetic solenoid 12 is energized, and the tip of the weft Y is cut and separated while being gripped by the upper and lower warp yarns. Cutting is done well. That is, due to the cooperation of the suction gripping action, the position regulating action of the cutter guide 14, and the tension action of the suction pipe 4 accompanying the backward movement of the slay 1, the weft yarn Y can be properly adjusted without adversely affecting the already formed fabric edge. given tension,
disconnected. The cut and separated weft ends are immediately sucked into the suction pipe 4 and discharged to a predetermined location via the discharge hose 5.
以後、同様に緯入れ、吸引把持、筬打ち、切断
及び吸引除去が機台１回転毎に繰り返され、噴射
口８ａと吸引口４ａとの間の空気流の強さを適宜
設定しておくことにより織布Ｗの端部が適度の締
まり具合でもつて形成される。 Thereafter, the weft insertion, suction gripping, beating, cutting, and suction removal are repeated in the same way every rotation of the machine, and the strength of the air flow between the injection port 8a and the suction port 4a is set appropriately. As a result, the ends of the woven fabric W are formed with an appropriate degree of tightness.
本考案は勿論前記実施例にのみ限定されるもの
ではなく、例えば前記実施例における吸引パイプ
４の吸引口４ａの糸当接縁部にフエルトを止着し
て屈曲抵抗を高めたり、切断時に緯糸をカツター
の切断領域に規制保持する手段として第６，７図
に示す実施例も可能である。第６図ではばね性を
有する２本の線材１６，１７によりカツターガイ
ドを折曲形成し、固定刃１０の刃縁付近に略一点
接触する位置規制部１８を設けている。これによ
り緯糸Ｙは筬打ち動作時には位置規制部１８を通
過して両線材１６，１７の先端水平部間へ導入さ
れ、吸引力よりも弱い把持力で規制保持される。
そして、切断時には緯糸Ｙは位置規制部１８を基
点して吸引パイプ４の後退方向へ引つ張られ、前
記実施例と同様に適正な張力を付与される。 Of course, the present invention is not limited to the above-mentioned embodiment. For example, felt may be attached to the thread contacting edge of the suction port 4a of the suction pipe 4 in the above-mentioned embodiment to increase bending resistance, or the weft may be The embodiments shown in FIGS. 6 and 7 are also possible as means for restricting and holding the cutter in the cutting area of the cutter. In FIG. 6, the cutter guide is formed by bending two wire rods 16 and 17 having spring properties, and a position regulating portion 18 is provided near the blade edge of the fixed blade 10 so as to be in contact with it at approximately one point. As a result, during the beating operation, the weft yarn Y passes through the position regulating section 18 and is introduced between the horizontal ends of the wire rods 16 and 17, and is regulated and held by a gripping force that is weaker than the suction force.
Then, at the time of cutting, the weft yarn Y is pulled in the backward direction of the suction pipe 4 from the position regulating part 18, and an appropriate tension is applied as in the previous embodiment.
第７図では固定刃１０の刃縁以下の高さで立設
された支柱１９の先端部にばねピン２０を取付
け、糸張力で同図の鎖線位置側へのみ湾曲退避す
るようにしたものであり、前記各実施例と同様の
位置規制作用が得られる。 In Fig. 7, a spring pin 20 is attached to the tip of a support 19 that is set up at a height below the edge of the fixed blade 10, so that the spring pin 20 is curved and retracted only toward the chain line position in the figure due to thread tension. Therefore, the same position regulating effect as in each of the embodiments described above can be obtained.
考案の効果
以上詳述したように本考案では、緯入れされた
緯糸の先端部に対し、スレイ上の吸引手段による
吸引把持作用と、切断手段外方の位置規制手段に
よる位置規制作用、及び前記スレイの後退運動に
伴う吸引手段の引張作用との協働により、高価な
捨耳装置を用いることなく適正に張力を付与する
ことができ、捨耳装置使用の場合と同様に良好な
布端形成を行い得るという優れた効果を奏する。Effects of the Invention As detailed above, in the present invention, the tip of the inserted weft yarn is subjected to a suction gripping action by the suction means on the slay, a position regulating action by the position regulating means outside the cutting means, and a position regulating action on the tip of the inserted weft thread. By cooperating with the tensile action of the suction means that accompanies the backward movement of the slay, it is possible to apply tension appropriately without using an expensive selvage device, resulting in good fabric edge formation as in the case of using a selvage device. It has the excellent effect of being able to do the following.
第１〜５図は本考案を具体化した一実施例を示
し、第１図は要部斜視図、第２〜４図はいずれも
作用を説明する一部破断平面図、第５図はカツタ
ーの側面図、第６，７図はいずれも緯糸の位置規
制手段の別例を示す側面図である。
スレイ１、吸引手段を構成する吸引パイプ４及
び噴射パイプ８、切断手段を構成する固定刃１０
及び可動刃１１、位置規制手段を構成するカツタ
ーガイド１４、緯糸案内通路Ｓ、緯糸Ｙ。
Figures 1 to 5 show an embodiment embodying the present invention, Figure 1 is a perspective view of the main part, Figures 2 to 4 are partially cutaway plan views explaining the operation, and Figure 5 is a cutter. , and FIGS. 6 and 7 are side views showing another example of the weft position regulating means. Slay 1, suction pipe 4 and injection pipe 8 constituting suction means, fixed blade 10 constituting cutting means
and a movable blade 11, a cutter guide 14 constituting a position regulating means, a weft guide path S, and a weft Y.
Claims (1)
離する切断手段を織布の織前の側方近傍に設置す
ると共に、緯入れされた緯糸を前記切断手段の切
断領域に規定する位置規制手段を前記切断手段の
外方に設置し、スレイ上に立設された緯糸案内通
路内を飛走案内された緯糸の先端部と交差する空
気流を生起する吸引手段を、前記位置規制手段の
さらに外方と対応するスレイ上に設けた無杼織機
における緯糸張力付与装置。 A cutting means for cutting and separating the tip of the weft inserted weft at each beat is installed near the side of the front of the woven fabric, and position regulation for defining the weft inserted in the cutting area of the cutting means A suction means is installed outside the cutting means, and a suction means for generating an air flow that intersects with the tip of the weft thread guided in flight in the weft thread guide passage provided upright on the slay, is installed on the outside of the position regulating means. Furthermore, a weft tension applying device in a shuttleless loom is provided on the sleigh corresponding to the outer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202414U JPH0426464Y2 (en) | 1986-12-25 | 1986-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202414U JPH0426464Y2 (en) | 1986-12-25 | 1986-12-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63106784U JPS63106784U (en) | 1988-07-09 |
| JPH0426464Y2 true JPH0426464Y2 (en) | 1992-06-25 |
Family
ID=31166773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986202414U Expired JPH0426464Y2 (en) | 1986-12-25 | 1986-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426464Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5245074B2 (en) * | 1973-08-16 | 1977-11-12 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5245074U (en) * | 1975-09-16 | 1977-03-30 |
-
1986
- 1986-12-25 JP JP1986202414U patent/JPH0426464Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5245074B2 (en) * | 1973-08-16 | 1977-11-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63106784U (en) | 1988-07-09 |
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