JP4688500B2 - Equipment for producing spun yarn - Google Patents

Equipment for producing spun yarn Download PDF

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JP4688500B2
JP4688500B2 JP2004557860A JP2004557860A JP4688500B2 JP 4688500 B2 JP4688500 B2 JP 4688500B2 JP 2004557860 A JP2004557860 A JP 2004557860A JP 2004557860 A JP2004557860 A JP 2004557860A JP 4688500 B2 JP4688500 B2 JP 4688500B2
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traversing
air jet
jet assembly
draft
drafting
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JP2006509114A (en
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ゲルド スターレッカー，
ゲルノット シュアフラー，
ピーター シュウェイアー，
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Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
    • D01H13/06—Traversing arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex

Abstract

An assembly spins a fiber from a layer of staple fiber and has a drafting station (3) surrendering fibers to an air-jet station (4). The assembly further has a traversing station (25) connected to the compressors (19, 20) serving the drafting station and air jet. The compressor and air jet are located on a common support (26). The air jet is co-located with a thread cleaner (24). The traversing assembly moves along a rod (31) past a series of spinning stations. Each spinning station has its own bobbin changing unit which shares the same drive system with the drafting feed rollers (7, 8).

Description

本発明はステープル繊維のスライバーから紡績糸を製造するための装置であって、予め決定できる繊度の繊維ストランドにスライバーをドラフトするための複数のローラー対を持つドラフト装置を含み、ドラフト装置の下流に配置されたエアジェット集合体を含み、前記エアジェット集合体は繊維ストランドのための入口開口を含み、かつ繊維ストランドをエアジェット集合体の入口開口に対して横方向に整合から外させることなくドラフト装置のローラー対の幅を横切ってスライバー案内要素を綾振りさせるための綾振り装置を含む装置に関する。   The present invention is an apparatus for producing a spun yarn from a sliver of staple fibers, and includes a draft apparatus having a plurality of roller pairs for drafting a sliver into a fiber strand having a predetermined fineness, and downstream of the draft apparatus. An air jet assembly disposed therein, the air jet assembly including an inlet opening for the fiber strand, and a draft without causing the fiber strand to be laterally out of alignment with the inlet opening of the air jet assembly The present invention relates to a device comprising a traversing device for traversing a sliver guide element across the width of a roller pair of the device.

この形式の装置はドイツ公開特許３１４５２０８で従来技術である。この既知の装置において、スライバー案内要素は底エプロンであり、それ自身恐らくそれに配置された上部エプロンと交互に綾振り運動を実行する。既知の装置の綾振り速度は、繊維ストランドの正常走行経路からの逸脱ができるだけ低く保たれるように、特に繊維ストランドの曲がりくねった走行経路が起こらないように、従って、ドラフト装置の最後のローラー対から解放された繊維ストランドの中心がエアジェット集合体の入口開口に対して横方向に整合から外れないように、十分に遅くあるべきである。   A device of this type is prior art in German published patent 3145208. In this known device, the sliver guide element is a bottom apron, which itself performs a traversing motion, possibly alternating with an upper apron placed on it. The traversing speed of the known device is such that the deviation from the normal travel path of the fiber strands is kept as low as possible, in particular that no twisted travel paths of the fiber strands occur, and therefore the last roller pair of the draft device. The fiber strands released from the center should be sufficiently slow so that they do not deviate in alignment laterally to the inlet opening of the air jet assembly.

最後に述べた要求は特に送出速度が６００ｍ／分までの大きさのエアジェット集合体が利用されるとき部分的にしか成功しない。また既知の装置の場合、走行エプロンの寿命のみが延び、一方でドラフト装置のコットの摩耗は減らない。   The last mentioned requirement is only partially successful, especially when air jet assemblies with delivery speeds up to 600 m / min are used. Also, in the case of known devices, only the life of the traveling apron is increased, while the wear of the draft device cot is not reduced.

本発明の目的は、一方では繊維が高送出速度でさえ常に同じ方法で入口開口中に入ることを保証すること、及び他方ではドラフト装置のコット及び走行エプロンの寿命を延ばすことである。   The object of the invention is on the one hand to ensure that the fibers always enter the inlet opening in the same way, even at high delivery speeds, and on the other hand to extend the life of the drafting device cot and the traveling apron.

この目的は、綾振り装置が繊維ストランドの幅を決定しかつドラフト装置のローラー対に割り当てられている少なくとも一つのコンデンサと連結され、また前記綾振り装置が駆動機構を介してエアジェット集合体と連結されることにより達成された。   The purpose is that the traversing device is connected to at least one condenser which determines the width of the fiber strands and is assigned to the roller pair of the drafting device, and said traversing device is connected to the air jet assembly via a drive mechanism. Achieved by joining.

本発明の特徴の利用により、繊維のエアジェット集合体中への供給はエアジェット集合体が繊維ストランドと共に綾振り運動するので保証される。同時にコット並びに走行エプロンの摩耗は減り、特に綾振り運動が非常にゆっくりと実行され、かつコットの全幅が利用されるときそうである。本発明によれば、コンデンサは既知の方法で綾振りし、スライバー案内要素を形成するので、綾振り装置は実際の使用で立証された、例えば供給コンデンサ及び中間コンデンサの綾振りを適用されることができる。これらのコンデンサはそれぞれ関連したローラー対の上流に配置され、それにより通常、コンデンサは前方ローラー対に割り当てられない。   By utilizing the features of the present invention, the feeding of fibers into the air jet assembly is assured because the air jet assembly traverses with the fiber strands. At the same time, the wear of the cot as well as the running apron is reduced, especially when the traversing movement is carried out very slowly and the full width of the cot is utilized. According to the invention, the capacitor is traversed in a known manner and forms a sliver guide element, so that the traversing device can be applied with traversing of supply capacitors and intermediate capacitors, for example, proven in practical use. Can do. Each of these capacitors is located upstream of the associated roller pair so that normally no capacitor is assigned to the front roller pair.

本発明の好適実施例では、少なくとも一つのコンデンサとエアジェット集合体がジョイント支持要素に配置される。糸クリーナーはこの支持要素上のエアジェット集合体の下流に追加的に配置されることができる。エアジェット集合体から引き出された糸はまた、これにより綾振りされ、従って引出しローラー対の摩耗が減少する。   In a preferred embodiment of the invention, at least one condenser and an air jet assembly are arranged on the joint support element. A thread cleaner can additionally be arranged downstream of the air jet assembly on this support element. The yarn drawn from the air jet assembly is also traversed thereby reducing wear on the draw roller pair.

綾振り装置自体は種々の方法で設計されることができる。   The traversing device itself can be designed in various ways.

一実施例では綾振り装置は機械の長手方向に沿って延びかつ複数の紡績位置に割り当てられている綾振り棒を含むことが規定される。不完全なドラフトを避けるために、ドラフト装置のローラー対は糸切れの場合に静止させられ、かかる場合には綾振り運動も中断されなければならない。複数の紡績位置に沿って延びる綾振り棒の場合、一つの個々の紡績位置での綾振り運動は必要なときに一般的な綾振り運動から結合を断つことができねばならない。これは紡績位置が再度、操業設定された後に綾振り棒上に引掛ける機構により達成されることができる。   In one embodiment, the traversing device is defined to include traversing bars that extend along the length of the machine and are assigned to a plurality of spinning positions. In order to avoid incomplete drafts, the drafter roller pair must be stationary in the event of a thread break, in which case the traversing movement must also be interrupted. In the case of traversing bars extending along a plurality of spinning positions, the traversing movement at one individual spinning position must be able to break the coupling from the general traversing movement when necessary. This can be accomplished by a mechanism that hooks onto the traverse bar after the spinning position has been set to run again.

別の実施例の場合では各紡績位置がそれに割り当てられたそれ自身の綾振り装置を持ち、それが駆動機構を介してドラフト装置の前方ローラー対と連結されることが規定される。糸切れの際に、ドラフト装置はまた、停止されねばならない。しかし、ドラフト装置が静止させられるとき、綾振り運動も綾振り装置のドラフト装置の前方ローラー対との駆動関連結合のため、停止される。   In another embodiment, it is defined that each spinning position has its own traverse device assigned to it, which is connected via a drive mechanism to the front roller pair of the drafting device. In the event of a thread break, the draft device must also be stopped. However, when the draft device is stationary, the traverse motion is also stopped due to the drive-related coupling with the forward roller pair of the draft device draft device.

図面の簡略説明
本発明のこれらの及び更なる目的、特徴及び利点は添付図面に関してなされるそれらの以下の詳細な説明からより容易に明らかとなるであろう。図面において：
図１は本発明による装置の側面図であり、
図２は図１の矢印ＩＩの方向の図である。 BRIEF DESCRIPTION OF THE DRAWINGS These and further objects, features and advantages of the present invention will become more readily apparent from their following detailed description taken in conjunction with the accompanying drawings. In the drawing:
FIG. 1 is a side view of a device according to the invention,
FIG. 2 is a view in the direction of arrow II in FIG.

図１と２に示される装置はステープル繊維のスライバーからまたは粗紡２から紡績糸１を製造する役目をする。この装置は必須要素としてドラフト装置３並びにエアジェット集合体４を含む。   The apparatus shown in FIGS. 1 and 2 serves to produce a spun yarn 1 from a staple fiber sliver or from a roving 2. This device includes a draft device 3 and an air jet assembly 4 as essential elements.

紡績されるスライバー２は供給方向Ａでドラフト装置３に供給され、引き出し方向Ｂで紡績糸１として巻き取り装置（図示せず）に引き出される。引き出しローラー対５，６はエアジェット集合体４から糸１を引き出す役目をする。   The sliver 2 to be spun is supplied to the draft device 3 in the supply direction A, and is drawn out to the winding device (not shown) as the spun yarn 1 in the drawing direction B. The drawing roller pairs 5 and 6 serve to draw the yarn 1 from the air jet assembly 4.

ドラフト装置３は三ラインドラフトシステムとして設計され、全体で三つのローラー対７，８；９，１０；１１，１２を含み、それらはそれぞれ下部ローラーと上部ローラーを含む。ローラー対７，８は後方ローラー対であり、ローラー対９，１０は走行エプロン１３と１４を備えた中間ローラー対であり、一方ローラー対１１，１２は前方ローラー対である。この形式のドラフト装置３において、スライバーまたは粗紡２は既知の方法で希望の予め決定できる繊度にドラフトされる。ドラフト装置３の直ぐ下流に繊維ストランド１５が存在し、それはドラフトされているがまだ撚られていない。   The drafting device 3 is designed as a three-line draft system and comprises a total of three roller pairs 7, 8; 9, 10; 11, 12, which each comprise a lower roller and an upper roller. Roller pairs 7, 8 are rear roller pairs, roller pairs 9, 10 are intermediate roller pairs with travel aprons 13 and 14, while roller pairs 11, 12 are front roller pairs. In this type of drafting device 3, the sliver or roving 2 is drafted to the desired predeterminable fineness in a known manner. There is a fiber strand 15 immediately downstream of the drafting device 3, which has been drafted but not yet twisted.

ドラフト工程のために必要なローラー速度は本件の場合、駆動モーター１６，１７及び１８により達成され、それらにそれぞれ下部ローラー８，１０及び１２が連結されている。   The roller speed required for the drafting process is in this case achieved by drive motors 16, 17 and 18, to which are connected lower rollers 8, 10 and 12, respectively.

既知のように、供給ステープルスライバーまたは粗紡２のための供給コンデンサ１９は後方ローラー対７，８の上流に配置され、中間コンデンサ２０が中間ローラー対９，１０の上流に配置されている。   As is known, the supply condenser 19 for the supply staple sliver or roving 2 is arranged upstream of the rear roller pair 7, 8 and the intermediate condenser 20 is arranged upstream of the intermediate roller pair 9, 10.

ドラフト装置３の下流に短距離で配置されかつ紡績撚りを与える役割を持つエアジェット集合体４は原則として本発明ではどのような形式のものであることもできるが、国際特許出願ＷＯ ０２／２４９９３で見出せる形式の設計が注目される。なぜならこの形式のエアジェット集合体４は特に高送出速度を可能とするからである。このエアジェット集合体４は従ってここでは詳細には述べられない。いずれの場合でもそれは繊維ストランド１５のための入口開口２１を含み、更に紡績糸１、すなわち紡績撚りを持つ糸１のための糸引き出し通路２２を含み、また撚りの付与を実現する既知の方法で渦流を発生する複数のエアジェットノズル２３を含む。   The air jet assembly 4 arranged at a short distance downstream of the draft device 3 and having the role of imparting spinning twist can in principle be of any type in the present invention, but the international patent application WO 02/24993 The design that can be found in This is because this type of air jet assembly 4 enables particularly high delivery speeds. This air jet assembly 4 is therefore not described in detail here. In any case, it includes an inlet opening 21 for the fiber strand 15, and further includes a yarn withdrawal passage 22 for the spun yarn 1, i.e. a yarn 1 with a spun twist, and in a known manner to realize the application of twist. It includes a plurality of air jet nozzles 23 that generate vortex flow.

糸監視装置はエアジェット集合体４の下流に配置され、それはまた、本件の場合糸クリーナー２４として設計される。この形式の糸クリーナー２４は従来技術で既知である。上述の引き出しローラー対５，６が糸クリーナー２４の下流に配置されている。   The yarn monitoring device is arranged downstream of the air jet assembly 4, which is also designed as a yarn cleaner 24 in this case. This type of thread cleaner 24 is known in the prior art. The above-described drawer roller pairs 5 and 6 are disposed downstream of the yarn cleaner 24.

エアジェット紡績において、６００ｍ／分までの送出速度が実現されることができる。これはドラフト装置３の上部ローラー７，９及び１１のコット並びに走行エプロン１３と１４の増大した摩耗をもたらす。走行エプロン１３及び１４が定常的に置き換えられる必要がないように、かつコットが短かい間隔で再研磨される必要がないようにするために、従来技術で一般的に既知であるように、繊維ストランド１５はドラフト装置３のローラー対７，８；９，１０；１１，１２の幅を横切って綾振りされる。しかし、上述の従来技術でも目的としたように、もし不完全であるとしても−繊維ストランド１５がエアジェット集合体４の入口開口２１に対して横方向に整合から外れないことは保証されるべきである。エアジェット集合体４の入口開口２１はドラフト装置３の出口に関して及びドラフト装置３から出る繊維ストランド１５に関して非常に正確に位置されねばならない。出て行く繊維に関して入口開口２１のわずかな変位でさえも糸品質をそこない、糸切れをもたらすことさえある。一方では繊維が同じ方式で入口開口２１に入ること、及び他方ではコット及び走行エプロン１３と１４の寿命が延ばされることが保証されるべきである。   In air jet spinning, delivery speeds up to 600 m / min can be realized. This results in increased wear of the cots of the upper rollers 7, 9 and 11 and the traveling aprons 13 and 14 of the drafting device 3. In order that the traveling aprons 13 and 14 do not need to be constantly replaced and so that the cot does not need to be reground at short intervals, the fibers are generally known in the prior art. The strands 15 are traversed across the width of the roller pairs 7, 8; 9, 10; 11, 12 of the draft device 3. However, as intended in the prior art described above, if incomplete-it should be ensured that the fiber strands 15 are not out of alignment laterally with respect to the inlet opening 21 of the air jet assembly 4. It is. The inlet opening 21 of the air jet assembly 4 must be positioned very accurately with respect to the outlet of the drafting device 3 and with respect to the fiber strands 15 leaving the drafting device 3. Even a slight displacement of the inlet opening 21 with respect to the outgoing fibers may not compromise the yarn quality and even lead to yarn breakage. On the one hand, it should be ensured that the fibers enter the inlet opening 21 in the same way, and on the other hand that the life of the cot and traveling aprons 13 and 14 is extended.

上述の従来技術から逸脱して、綾振り装置２５が今や設けられ、それは繊維ストランド１５の幅を決定しかつそれに割り当てられたドラフト装置３のローラー対７，８；９，１０を持つ少なくとも一つのコンデンサ１９または２０と連結されるのみならず、駆動機構を介してエアジェット集合体４とも連結されている。従って入口開口２１中へのより信頼性ある繊維供給が保証される。なぜならエアジェット集合体４は繊維ストランド１５に対して同期して綾振りするからである。同時に、繊維ストランド１５は走行エプロン１３及び１４の全幅の上をかつローラー７，９及び１１のコットの上をゆっくりと動き、従って、それらの寿命は顕著に延ばされる。   In deviation from the prior art described above, a traversing device 25 is now provided, which determines the width of the fiber strand 15 and has at least one roller pair 7, 8; 9, 10 of the drafting device 3 assigned to it. In addition to being connected to the condenser 19 or 20, it is also connected to the air jet assembly 4 via a drive mechanism. A more reliable fiber supply into the inlet opening 21 is thus ensured. This is because the air jet assembly 4 traverses the fiber strands 15 synchronously. At the same time, the fiber strands 15 move slowly over the full width of the traveling aprons 13 and 14 and over the cots of the rollers 7, 9 and 11 so that their lifetime is significantly increased.

本発明の一実施例において、両方のコンデンサ、すなわち供給コンデンサ１９と中間コンデンサ２０並びにエアジェット集合体４及びその下流に配置された糸クリーナー２４はジョイント綾振り支持要素２６上に配置されることが規定される。固定要素２７，２８，２９及び３０がこの目的の役目をする。このようにして上述の利点が達成される。   In one embodiment of the invention, both capacitors, the supply capacitor 19 and the intermediate capacitor 20, and the air jet assembly 4 and the yarn cleaner 24 disposed downstream thereof may be disposed on the joint traverse support element 26. It is prescribed. The fixing elements 27, 28, 29 and 30 serve this purpose. In this way, the advantages described above are achieved.

綾振り装置２５は綾振り棒３１を含むことができ、それは機械に沿って延び、かつ好ましくは図に示されるように複数の紡績位置に割り当てられる。この綾振り棒３１は綾振り方向ＣとＤに従って、すなわちローラー７，９及び１１のコット及び走行エプロン１３と１４の最大可能幅に渡って非常にゆっくりと動かされる。何らかの理由で糸切れが起こったら、ドラフト装置３は不完全ドラフトを避けるために停止される。すなわちローラー対７，８；９，１０並びに１１，１２は静止させられる。この場合において、綾振り装置２５はまた、静止させられねばならず、それは中央綾振り棒３１の場合、関連単一紡績位置が種々の装置により（図示せず）一般的綾振り運動から結合を断たれることで発生する。   The traverse device 25 can include a traverse bar 31, which extends along the machine and is preferably assigned to a plurality of spinning positions as shown in the figure. This traversing bar 31 is moved very slowly according to traversing directions C and D, ie over the cots of the rollers 7, 9 and 11 and the maximum possible width of the traveling aprons 13 and 14. If for some reason a thread break occurs, the draft device 3 is stopped to avoid incomplete drafts. That is, the roller pairs 7, 8; 9, 10 and 11, 12 are stationary. In this case, the traversing device 25 must also be stationary, in the case of the central traversing rod 31, the associated single spinning position is coupled from the general traversing motion by various devices (not shown). It occurs by being cut off.

これに代えて、綾振り装置２５が唯一の単一紡績位置の上を個々に延びることが規定されることができる。この場合、綾振り棒３１の駆動を後方ローラー対７，８の駆動からとることが合目的的であり、かかる駆動結合３２は図１に一点鎖線で示されている。かかる場合において、後方ローラー対７，８が糸切れのため停止されるとき、綾振り装置２５は同様に自動的に停止される。   Alternatively, it can be provided that the traversing device 25 extends individually over a single single spinning position. In this case, it is appropriate to drive the traverse bar 31 from the driving of the pair of rear rollers 7 and 8, and such a drive coupling 32 is indicated by a one-dot chain line in FIG. In such a case, when the rear roller pair 7, 8 is stopped due to yarn breakage, the traverse device 25 is automatically stopped as well.

本発明による装置の側面図である。FIG. 2 is a side view of a device according to the present invention. 図１の矢印ＩＩの方向の図である。It is a figure of the direction of the arrow II of FIG.

Claims (3)

ステープル繊維のスライバーから紡績糸を製造するための装置であって、前記装置が複数の紡績位置を有し、その各々において、複数のローラー対を持つドラフト装置、それぞれのドラフト装置の下流に配置されたエアジェット集合体、及び少なくとも一つのコンデンサ及びエアジェット集合体を駆動機構を介してドラフト装置のローラー対の幅を横切って綾振りさせるための綾振り装置を含むものにおいて、
綾振り装置の駆動機構が、各紡績位置で前記少なくとも一つのコンデンサ及びエアジェット集合体が配置されたジョイント支持要素を駆動すること、
前記ドラフト装置を停止させるための手段が与えられ、また、前記綾振り装置が、機械に沿って延びる綾振り棒を含み、個々の紡績位置で前記綾振り棒と前記ジョイント支持要素との結合を断たせるための装置を含み、
糸切れが起こった場合に、前記ドラフト装置を停止させ、前記結合を断つことを特徴とする装置。An apparatus for producing spun yarn from a sliver of staple fibers, wherein the apparatus has a plurality of spinning positions, each of which is a draft device having a plurality of roller pairs, and is arranged downstream of each draft device. And a traverse device for traversing at least one condenser and air jet assembly across the width of a draft roller pair via a drive mechanism,
The drive mechanism of the traverse device drives the joint support element in which the at least one condenser and the air jet assembly are arranged at each spinning position;
Means are provided for stopping the drafting device, and the traversing device includes a traversing rod extending along the machine for coupling the traversing rod and the joint support element at individual spinning positions. Including a device for cutting off,
When the yarn breakage occurs, the draft device is stopped and the coupling is cut off . エアジェット集合体の下流に配置された糸クリーナーが支持要素に追加的に配置されていることを特徴とする請求項１に記載の装置。  2. The device according to claim 1, wherein a yarn cleaner arranged downstream of the air jet assembly is additionally arranged on the support element. 別個の綾振り装置が各紡績位置に割り当てられていることを特徴とする請求項１又は２に記載の装置。 3. A device according to claim 1, wherein a separate traversing device is assigned to each spinning position.
JP2004557860A 2002-12-09 2003-10-04 Equipment for producing spun yarn Expired - Fee Related JP4688500B2 (en)

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DE10258720A DE10258720A1 (en) 2002-12-09 2002-12-09 Textile fibre spinning station has a traversing station connected to compressors serving a drafting station and air jet
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PCT/EP2003/010995 WO2004053214A1 (en) 2002-12-09 2003-10-04 Device for producing a spun fibre

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