EP1560961B1 - SPINNING MACHINE with fibre condensing DEVICE - Google Patents
SPINNING MACHINE with fibre condensing DEVICE Download PDFInfo
- Publication number
- EP1560961B1 EP1560961B1 EP03757629A EP03757629A EP1560961B1 EP 1560961 B1 EP1560961 B1 EP 1560961B1 EP 03757629 A EP03757629 A EP 03757629A EP 03757629 A EP03757629 A EP 03757629A EP 1560961 B1 EP1560961 B1 EP 1560961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spinning machine
- guide
- drafting
- sliver
- guide element
- 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 - Lifetime
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 title description 51
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims 6
- 230000006835 compression Effects 0.000 description 35
- 238000007906 compression Methods 0.000 description 35
- 230000032258 transport Effects 0.000 description 5
- 241001295925 Gegenes Species 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229920006240 drawn fiber Polymers 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007378 ring spinning Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
-
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
Definitions
- the invention relates to a spinning machine according to the preamble of the independent claims 1 and 2. Further, it is also proposed for use in compaction spinning machines according to claim 4.
- Such spinning machines either have a drafting system with a special outlet roller which is connected to a suction device, or it is connected to a conventional two-stage drafting system with three pairs of cylinders operating under vacuum compression device.
- the compression takes place on a moving with the fiber structure air-permeable compression element, which is acted upon from the inside with negative pressure, wherein the compression is effected by the inflowing transversely against the fiber structure suction air.
- the US-A-5,577,298 describes a Doppelriemchenstrecktechnik, which contains a mechanical compressor between the outlet opening of the Riemchen Insert and the nip of the delivery cylinder pair, which mechanically compresses the sliver.
- a special guide is provided for this purpose in the main draft of the drafting system and / or before reaching the compacting device, which allows drifting apart of the drawn fibers less than in conventional drafting systems, without imposing significant changes in direction on the individual fibers.
- this is achieved by a deflection element, the surface of which is at least coated by a part of the fibers, preferably so that all the fibers of a fiber structure are deflected in the same way and / or the same direction.
- a prismatic deflection - rod-shaped achieved with substantially uniform cross-sections, which is arranged transversely to the flow direction of the fiber stream and is arranged in the longitudinal direction of the drafting cylinder.
- This guide element can be arranged immediately before the emergence of the fiber structure on a compression element.
- the direction change of the fiber structure by the guide element is preferably 1.5 to 5 °.
- the spinning machine according to the invention in the application in a multi-cylinder drafting system, with at least 3 pairs of drafting rollers and Doppelriemchen on one of the pairs of rollers, wherein for guiding a fiber structure of one of the straps as close to a discharge cylinder, a cage is directed against a Auslaufzylindercru, which cage from the apron is entwined, is characterized by an additional rod-shaped guide either for the fiber structure or for the strap, which guide is arranged between the strap and the outlet cylinder.
- the guide can be concave towards the outlet cylinder and convexly curved towards the fiber structure.
- the guide can be arranged in a second embodiment between two top rollers for strapping out so that this is observed by the guide from the outside a concave deflection.
- the additional guide for the fiber structure can be arranged in the transport direction of the fiber structure in or after a stretching region and before a compression region, in particular before emergence of the fiber structure on a compression element of the compression device.
- the spinning machine is equipped with a compacting device 1, which is connected to a drafting 1 a of the spinning machine, and characterized by an additional guide 34 for the fiber structure, which in the transport direction of the fiber structure after a drawing section 4,5 and before a compression region, in particular before emergence the fiber structure 11 is arranged on a compression element 19 of the compression device.
- the drafting system 1a with the compression device 1 according to FIG. 1 transports a fiber structure 11 via an infeed cylinder 42 with a first top roller 42 'pressed against it by a pre-drafting field to a central cylinder 3 with a second top roller 3'.
- the center cylinder 3 is looped by a Unterriemchen 4, which, driven by the central cylinder, passes over a bridge 40.
- a loading device 10 according to FIG. 4 the upper roller 3 'with a Oberriemchen 5 and a cage 30 is pressed.
- the Oberriemchen 5 is driven in contact with the Unterriemchen 3 by this, wherein the vorverzugsfeld between inlet cylinder 42 and center cylinder 3 zoom out fibers of the fiber structure 11 are retained in the main drafting zone against the train of the discharge cylinder 2.
- the outlet cylinder 2 is designed in this embodiment as a compression element 19, that is, as an internally evacuated, perforated drum.
- the Oberriemchen 5 wraps around the one hand, the second upper roller 3 ', on the other hand, a spacer 32 which sits on the cage 30.
- a guide member 34 is arranged, which, as shown in FIG FIG.
- the fiber structure 11 deflects a little, whereby a tight guidance of the fibers of the fiber structure 11 is achieved and in particular shorter fibers are prevented from dissolving from the dressing.
- a round rod is used in particular with a diameter between 3 and 6 mm as a guide element 34.
- the guide element 34 is arranged as close as possible to the surface of the outlet cylinder 2 or the compression element 19, with a distance of less than 1 mm.
- the fiber structure runs after a deflection by the guide member 34 by a few degrees on the surface of the compression element 19, wherein the looping path between the nip of the third top roller 2 'and the fourth top roller 1' is located on the compression element 19.
- a screen 19 'above the compression element 19 ensures a guidance of the incoming suction air as parallel as possible to the axis of the outlet cylinder 2.
- the fiber structure is then preferably screwed by means of a ring spinning device 40 and wound onto a yarn package.
- yarns in the fineness range Ne 3 to 100, preferably 3 to 50, in particular 3 to 30, can be spun.
- the template may consist of all known spinnable fiber materials also with high short fiber content, especially carded cotton, also MMF, PES, blends. Thanks to the guide 34 become good yarn quality values reached.
- the reference numerals in the Figures 2 and 2a apply analogously to those in FIG. 1 ,
- FIG. 3 shows two embodiments for the attachment of the guide 34 in the drafting system.
- the cage 30 for guiding the Oberriemchen 5 is stationary with second upper rollers 3 'to the mentioned load device 10, but pivotally mounted.
- this extends over the entire length of a portion of the cage 30 in FIG. 3 .
- the ends of the guide element 34 are held by holding elements 340, 340 '.
- the holding elements 340 are fixedly attached to the ends of the cage 30, for example by means of fastening elements 342 in the form of pins or screws.
- the holding elements 340 may be made, for example, as leaf springs made of spring steel. They can be snapped laterally into the ends of the cages by means of fastening pins 342 in bores in alignment with the fastening elements 342.
- a relatively short guide member 34 by means of two holding elements 340, 340 ', sit at the ends tabs 342, plugged at a spacer 32 on the right longitudinal edge of the cage 30.
- the riders 342 sit directly next to riders 320 of the spacer 32.
- the spacer serves to guide the Oberriemchens 5, which is deflected by the deflector 33 between the riders 320.
- the tabs 342 may be like the tabs 320 of the spacer, shown in perspective, executed, with a greater distance between the tabs 342 than between the tabs 320.
- a holding member 340 is seated in the in FIG.
- the guide element of the guide 34 is, as already mentioned, a preferably circular-cylindrical prismatic element.
- the guide 34 can also be fastened directly on the deflection element 33.
- FIG. 4 Another embodiment of a drafting system with a compression device is in FIG. 4 shown. From the drafting system 1 a only the central cylinder 3 and the outlet cylinder 2 are pressed by means of the loading device 10 top rollers 3 '(second top roller) and 2' (third top roller) shown. Between the third top roller 2 'and the fourth top roller 1' sits another roller 27, which serves to drive the fourth top roller 1 'through the third top roller 2'. Unlike the arrangement in FIG. 1 the discharge cylinder 2 is not designed as a compression element; this is on the left next to it, wherein a vacuum system 15 is wrapped by a compression element 19 in the form of an air-permeable belt.
- the compression element 19 is moved forward by the fourth top roller 1 'with the fiber structure 11 or the yarn 25 along the compression zone 13.
- the compression of the fiber structure 11 in the compression zone 13 takes place along a suction slot 17, is sucked through the air in the vacuum system 15.
- the axes 8 and 21 of the third top roller 2 'and the fourth top roller 21 are held by the loading device 10.
- the fiber structure 11 is guided by a Oberriemchen 5 on the second upper roller 3 'and a Unterriemchen 4 on the central cylinder 3 in the main drafting zone of the drafting system, between the straps 4 and 5 in a known manner a guide 34 is arranged, with which the fiber structure around a very small angle between 1.5 and 6 ° is deflected.
- the guide member 34 may, as in connection with FIG. 3 described, be attached to a cage 5 'of Oberriemchens 5. From the nip 23 between outlet cylinder 2 and the third top roller 2 ', which is pressed against this, until reaching the compression zone 13, the fiber structure 11 can be supported by a further guide element 34'.
- This guide element may be formed, for example, as the described guide element 34 as a circular cylindrical rod or, as indicated by dashed lines, as a flat, more or less flat guide member extending at least in the region of the fiber structure 11 along the spinning machine.
- the first guide element 34 improves, as already described above, the cohesion of the fibers in the main drafting zone of the drafting between central cylinder 3 and outlet cylinder 2, while the second guide element 34 'serves as a kind of guide table for the fiber structure between outlet cylinder 2 and compression element 19.
- the second nip 24 between the compacting device 1 and the fourth upper roller 1 ' limits the twist in the yarn 25, which results from a nachgeördneten spinning device.
- the guide 34 is to be arranged so that a connecting line between the nip 23 of the outlet cylinder pair 2, 2 'and the outlet-side clamping point of the pair of straps 4, 5, the guide member 34 partially penetrates.
- the surface condition of the deflection or guide should be selected according to the desired effect and raw material.
- the deflection can be stored fixed or rotatable.
- the guide element 34 may also be attached to the deflection bridge 40.
- the guide 34 can after Fig. 5 be concave towards the outlet cylinder 2,2 'and convexly curved towards the fiber structure 11.
- the guide 34 can according Fig. 6 between two top rollers 2 ', 3' to the strap 5 out so that this viewed from the outside through the guide 34 undergoes a concave deflection. This makes it possible to bring the strapping closer to the top roller 2 ', whereby the fiber structure 11 is guided, if not in addition, at least over a longer distance.
- the additional guide 34 for the fiber structure can be arranged in the transport direction of the fiber structure in or after a stretching region 4, 5 and before a compression region, in particular before the fiber structure 11 comes to rest on a compression element 19 of the compression device.
- the guide 34 may be fastened with support members 340a and 340c to axes of upper rollers 2 ', 3' or to a loading arm 344.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Die Erfindung betrifft eine Spinnmaschine nach dem Oberbegriff der unabhängigen Ansprüche 1 und 2. Weiter wird sie auch zur Anwendung bei Verdichtungsspinnmaschinen nach Anspruch 4 vorgeschlagen. Derartige Spinnmaschinen haben entweder ein Streckwerk mit einer speziellen Auslaufwalze, welche an eine Saugeinrichtung angeschlossen ist, oder es ist eine mit Unterdruck arbeitende Verdichtungseinrichtung an ein konventionelles zweistufiges Streckwerk mit drei Zylinderpaaren angeschlossen. Die Verdichtung geschieht auf einem mit dem Faserverband fortbewegten luftdurchlässigen Verdichtungselement, das von innen her mit Unterdruck beaufschlagt ist, wobei die Verdichtung durch die quer gegen den Faserverband anströmende Saugluft bewirkt wird.The invention relates to a spinning machine according to the preamble of the
Die
Mit der Erschliessung neuer Einsatzgebiete insbesondere von Verdichtungsspinnmaschinen entsteht das Bedürfnis, den Faserverband vor der Verdichtung auf seinem Weg durch das Streckwerk und gegebenenfalls zur Verdichtungseinrichtung möglichst vollkommen zu kontrollieren.With the development of new fields of application, especially of compaction spinning machines, the need arises to control the fiber structure as completely as possible before it is compacted on its way through the drafting system and optionally to the compacting device.
Die Aufgabe wird durch die kennzeichnenden Merkmale der Ansprüche 1 und 2 gelöst.The object is solved by the characterizing features of
Erfindungsgemäss wird hierzu im Hauptverzug des Streckwerks und/oder vor Erreichen der Verdichtungseinrichtung eine spezielle Führung vorgesehen, welche ein Auseinanderdriften der verstreckten Fasern weniger als bei konventionellen Streckwerken ermöglicht, ohne den einzelnen Fasern wesentliche Richtungsänderungen aufzuzwingen. In einer Ausführungsform wird dies durch ein Umlenkelement erreicht, dessen Oberfläche wenigstens von einem Teil der Fasern bestrichen wird, bevorzugt so, dass sämtliche Fasern eines Faserverbandes in derselben Weise und/oder derselben Richtung umgelenkt werden. Dies wird bevorzugt durch ein prismatisches Umlenkelement - stabförmig mit im wesentlichen einheitlichen Querschnitten erreicht, welches quer zur Flussrichtung des Faserstromes angeordnet ist und in Längsrichtung der Streckwerkszylinder angeordnet ist. Dieses Führungselement kann unmittelbar vor dem Auflaufen des Faserverbandes auf ein Verdichtungselement angeordnet sein. Die Richtungsänderung des Faserverbandes durch das Führungselement beträgt dabei bevorzugt 1.5 bis 5°.According to the invention, a special guide is provided for this purpose in the main draft of the drafting system and / or before reaching the compacting device, which allows drifting apart of the drawn fibers less than in conventional drafting systems, without imposing significant changes in direction on the individual fibers. In one embodiment, this is achieved by a deflection element, the surface of which is at least coated by a part of the fibers, preferably so that all the fibers of a fiber structure are deflected in the same way and / or the same direction. This is preferred by a prismatic deflection - rod-shaped achieved with substantially uniform cross-sections, which is arranged transversely to the flow direction of the fiber stream and is arranged in the longitudinal direction of the drafting cylinder. This guide element can be arranged immediately before the emergence of the fiber structure on a compression element. The direction change of the fiber structure by the guide element is preferably 1.5 to 5 °.
Die Spinnmaschine nach der Erfindung in der Anwendung bei einem Mehrzylinder-Streckwerk, mit mindestens 3 Verzugswalzenpaaren und Doppelriemchen an einem der Walzenpaare, wobei zur Führung eines Faserverbandes eines der Riemchen möglichst nahe an einem Auslaufzylinder ein Käfig gegen ein Auslaufzylinderpaar gerichtet ist, welcher Käfig vom Riemchen umschlungen ist, ist gekennzeichnet durch eine zusätzliche stabförmige Führung entweder für den Faserverband oder für das Riemchen, welche Führung zwischen dem Riemchen und dem Auslaufzylinder angeordnet ist.The spinning machine according to the invention in the application in a multi-cylinder drafting system, with at least 3 pairs of drafting rollers and Doppelriemchen on one of the pairs of rollers, wherein for guiding a fiber structure of one of the straps as close to a discharge cylinder, a cage is directed against a Auslaufzylinderpaar, which cage from the apron is entwined, is characterized by an additional rod-shaped guide either for the fiber structure or for the strap, which guide is arranged between the strap and the outlet cylinder.
Die Führung kann zum Auslaufzylinder hin konkav und zum Faserverband hin konvex gekrümmt sein.The guide can be concave towards the outlet cylinder and convexly curved towards the fiber structure.
Die Führung kann in einer zweiten Ausführung zwischen zwei Oberwalzen zum Riemchen hin so angeordnet sein, dass dieses durch die Führung von aussen betrachtet eine konkave Umlenkung erfährt.The guide can be arranged in a second embodiment between two top rollers for strapping out so that this is observed by the guide from the outside a concave deflection.
Die zusätzliche Führung für den Faserverband kann in Transportrichtung des Faserverbandes in einem oder nach einem Verstreckungsbereich und vor einem Verdichtungsbereich, insbesondere vor dem Auflaufen des Faserverbandes auf einem Verdichtungselement der Verdichtungseinrichtung, angeordnet sein.The additional guide for the fiber structure can be arranged in the transport direction of the fiber structure in or after a stretching region and before a compression region, in particular before emergence of the fiber structure on a compression element of the compression device.
Die Erfindung wird im Folgenden anhand der Zeichnung in verschiedenen Ausführungsbeispielen näher erläutert. Es zeigen:
-
undFigur 1 einen Querschnitt bzw. eine Seitenansicht eines konventionellen zweistufigen Streckwerks, in welches das Führungselement integriert ist.Figur 5 -
einen Ausschnitt ausFigur 2 , mit Darstellung der wesentlichen Elemente in der Umgebung des Führungselements.Figur 1 -
Figur 2a das Führungselement mit dem Faserverband. -
die Befestigung der Führung an Elementen des Streckwerks.Figur 3 -
ein anderes Ausführungsbeispiel für ein Streckwerk mit einer Verdichtungseinrichtung, wobei letztere dem Streckwerk nachgeordnet ist.Figur 4 -
ein Führungselement an einem Riemchen, das eine längere Führung des Faserverbands durch das Riemchen ermöglicht.Figur 6 -
Figur 7 verschiedene Befestigungsmöglichkeiten der Führung
-
FIG. 1 andFIG. 5 a cross section and a side view of a conventional two-stage drafting system, in which the guide element is integrated. -
FIG. 2 a section fromFIG. 1 , with representation of the essential elements in the environment of the guide element. -
FIG. 2a the guide element with the fiber structure. -
FIG. 3 the attachment of the guide to elements of the drafting system. -
FIG. 4 another embodiment of a drafting system with a compression device, the latter being arranged downstream of the drafting system. -
FIG. 6 a guide element on a strap which allows a longer guidance of the fiber dressing through the strap. -
FIG. 7 different mounting options of the guide
Die Spinnmaschine ist mit einer Verdichtungseinrichtung 1 ausgestattet, das an ein Streckwerk 1a der Spinnmaschine angeschlossen ist, und gekennzeichnet durch eine zusätzliche Führung 34 für den Faserverband, welche in Transportrichtung des Faserverbandes nach einem Verstreckungsbereich 4,5 und vor einem Verdichtungsbereich, insbesondere vor dem Auflaufen des Faserverbandes 11 auf einem Verdichtungselement 19 der Verdichtungseinrichtung, angeordnet ist.The spinning machine is equipped with a
Sie kann weiter dadurch gekennzeichnet sein,
- dass die
Führung 34 im Hauptverzugsfeld eines mehrstufigen Streckwerks vor demAuslaufzylinder 2 angeordnet ist, - dass das
Führungselement 34 der Führung ein in Längsrichtung der Streckwerkszylinder angeordneter prismatischer Stab mit einem Querschnitt, der auf der Funktionsseite abgerundet ist, - dass das
Führungselement 34 so angeordnet ist, dass es durch eine Verbindungslinie bzw. Tangente an einenKlemmspalt 23 zwischen einemAuslaufzylinder 2 und einer gegen ihn gedrückten Oberwalze 2' und dem Auslaufklemmpunkt zwischen einemOberriemchen 5 undUnterriemchen 4 des Streckwerks 1a durchdrungen wird, - dass der
Faserverband 11 oderRiemchen 5 um wenige Grade, insbesondere 1.5 ... 6°, umgelenkt wird, - dass die Führung unmittelbar vor dem
Klemmspalt 23 zwischen demAuslaufzylinder 2 und einer gegen diesen gepressten dritten Oberwalze 2' des Streckwerks sitzt, - dass gegebenfalls der
Auslaufzylinder 2 desStreckwerks 1a alsVerdichtungselement 19 einerVerdichtungseinrichtung 1 ausgeführt ist, mit einer luftdurchlässigen zylindrischen Oberfläche, - dass durch ein
Unterdrucksystem 15 aerodynamische Effekte amFaserverband 11 in einerVerdichtungszone 13 auslösbar sind, - dass das
Führungselement 34 mittelsHalteelementen 340 an Halteteilen für Riemchen, insbesondere einemKäfig 30 für ein 4, 5 desRiemchen Streckwerks 1 a, befestigt ist, - dass Blattfedern an den Enden eines
Führungselements 34 angebracht sind, mit einer Schnappverbindung an Enden einesKäfigs 30 für einRiemchen 5 desStreckwerks 1a befestigt, - dass eine
Führung 34 für einenFaserverband 11 bei einemUmlenkelement 33 an einer Kante einesKäfigs 30 für einOberriemchen 5 des Streckwerks 1a auf einer Kante desKäfigs 30 bei einemDistanzstück 32 sitzt, - dass eine
Führung 34 vor demAuslaufzylinder 2 desStreckwerks 1 a und eine weitere Führung 34' nach demAuslaufzylinder 2 und vor einerVerdichtungseinrichtung 1 mit einemVerdichtungselement 19 vorhanden ist, jeweils in Transportrichtung einesFaserverbandes 11 durch dasStreckwerk 1a betrachtet, - wobei die erwähnten Merkmale einzeln oder kumuliert angewandt werden können.
- the
guide 34 is arranged in the main drafting zone of a multi-stage drafting system in front of the outfeedcylinder 2, - in that the
guide element 34 of the guide has a prismatic rod arranged in the longitudinal direction of the drafting cylinder and having a cross-section which is rounded off on the functional side. - the
guide element 34 is arranged so that it is penetrated by a connecting line or tangent to aclamping gap 23 between anoutlet cylinder 2 and a top roller 2 'pressed against it and the outlet clamping point between atop apron 5 andbottom apron 4 of thedrafting system 1a, - that the
11 or 5 straps is deflected by a few degrees, in particular 1.5 ... 6 °,fiber structure - that the guide sits in front of the
clamping gap 23 between theoutlet cylinder 2 and a third upper roller 2 'of the drafting system pressed against it, - if appropriate, the
outlet cylinder 2 of thedrafting system 1a is designed as acompression element 19 of acompression device 1, with an air-permeable cylindrical surface, - that aerodynamic effects on the
fiber structure 11 in acompression zone 13 can be triggered by anegative pressure system 15, - the
guide element 34 is fastened by means of holdingelements 340 to holding parts for straps, in particular acage 30 for a strapping 4, 5 of thedrafting system 1 a, - in that leaf springs are attached to the ends of a
guide element 34 with a snap connection to ends of acage 30 for astrap 5 of thedrafting system 1a, - that a
guide 34 for afiber structure 11 at adeflection element 33 at an edge of acage 30 for atop apron 5 of thedrafting system 1a sits on an edge of thecage 30 at aspacer 32, - that a
guide 34 is present in front of theoutlet cylinder 2 of thedrafting system 1 a and a further guide 34 'after theoutlet cylinder 2 and before acompression device 1 with acompression element 19, respectively viewed in the transport direction of afiber structure 11 by thedrafting device 1 a, - wherein the mentioned features can be applied individually or cumulatively.
Das Streckwerk 1a mit der Verdichtungseinrichtung 1 gemäss
Gemäss einem zweiten Ausführungsbeispiel der Führung 34 im rechten Teil von
Ein weiteres Ausführungsbeispiel eines Streckwerks mit einer Verdichtungseinrichtung ist in
Die Oberflächenbeschaffenheit der Umlenkung oder Führung ist je nach gewünschtem Effekt und Rohstoff zu wählen. Die Umlenkung kann fest oder rotierbar gelagert werden. Das Führungselement 34 kann auch an der Umlenkbrücke 40 befestigt sein.The surface condition of the deflection or guide should be selected according to the desired effect and raw material. The deflection can be stored fixed or rotatable. The
Die Führung 34 kann nach
Die Führung 34 kann gemäss
Gemäss
Nach
Claims (15)
- Spinning machine with a multi-cylinder drafting arrangement (1 a), with at least three pairs of drafting rollers (42, 42'; 2, 2'; 3, 3') and double aprons (4, 5) on one of the pairs of rollers (3, 3'), a cage (30) being directed towards a pair of delivery cylinders (2, 2') in order to guide a sliver (11) as near as possible to a delivery cylinder (2') by means of one of the aprons (5), the apron (5) looping around the cage (30), characterized by an additional bar-shaped guide element (34) for the sliver (11), which guide element is arranged between the apron (5) and the delivery cylinder (2, 2'), the guide element (34) being a deflection element, the surface of which can be brushed at least by some of the fibres, so that all the fibres of a sliver are deflected in the same direction, and the guide element (34) being fastened to the cage (30) for the apron (5) of the drafting arrangement (1a) by means of holding elements (340).
- Spinning machine with a multi-cylinder drafting arrangement (1a), with at least three pairs of drafting rollers (42, 42'; 2, 2'; 3, 3') and double aprons (4, 5) on one of the pairs of rollers (3, 3'), a cage (30) being directed towards a pair of delivery cylinders (2, 2') in order to guide a sliver (11) as near as possible to a delivery cylinder (2') by means of one of the aprons (5), the apron (5) looping around the cage (30), characterized in that an additional bar-shaped guide element (34) for the apron is arranged between the apron (5) and the delivery cylinder (2, 2'), the guide element being arranged between two top rollers (2', 3') with respect to the apron (5) such that the apron (5) experiences, as seen from outside, a concave deflection by means of the guide element (34).
- Spinning machine according to Claim 1, the guide element (34) being curved concavely with respect to the delivery cylinder (2, 2') and convexly with respect to the sliver (11).
- Spinning machine according to Claim 1, the spinning machine containing a condensing device (1) which is connected to a drafting arrangement (1 a) of the spinning machine, and the additional guide element (34) for the sliver being arranged, in the direction of transport of the sliver, in or downstream of a drafting region (4, 5) and upstream of a condensing region of the condensing device (1), in particular upstream of the run of the sliver (11) onto a condensing element (19) of the condensing device (1).
- Spinning machine according to Claim 1, the guide element (34) being arranged upstream of the delivery cylinder (2) in the main drafting zone of a multi-stage drafting arrangement.
- Spinning machine according to Claim 1, the guide element (34) being a prismatic bar arranged in the longitudinal direction of the drafting-arrangement cylinders.
- Spinning machine according to Claim 1, the guide element (34) being arranged such that it is penetrated by a connecting line or tangent to a nip (23) between a delivery cylinder (2) and a top roller (2') pressed against the latter and the delivery nipping point between an upper apron (5) and a lower apron (4) of the drafting arrangement (1a).
- Spinning machine according to Claim 1, the guide element being a deflection element, the surface of which is swept at least by some of the fibres, so that all the fibres of a sliver are deflected through 1.5 ... 6° in the same direction.
- Spinning machine according to Claim 1, the guide being seated directly upstream of the nip (23) between the delivery cylinder (2) and a third top roller (2'), pressed against the latter, of the drafting arrangement.
- Spinning machine according to Claim 1 or 2, the delivery cylinder (2) of the drafting arrangement (1 a) being designed as a condensing element (19) of a condensing device (1), with an air-permeable cylindrical surface.
- Spinning machine according to Claim 10, the spinning machine containing a vacuum system (15), by means of which a condensing of the sliver (11) in a condensing zone (13) of the condensing device (1) can be achieved.
- Spinning machine according to Claim 1, leaf springs being arranged at the ends of a guide element (34) and a snap connection being arranged at the ends of a cage (30) for an apron (5) of the drafting arrangement (1a).
- Spinning machine according to Claim 1, a guide element (34) for a sliver (11) being seated near a deflection element (33) along one edge of a cage (30) for an upper apron (5) of the drafting arrangement (1a) on an edge of the cage (30) near a spacer piece (32).
- Spinning machine according to either one of Claims 1 and 2, the spinning machine containing a guide (34) upstream of the delivery cylinder (2) of the drafting arrangement (1a) and a further guide (34') downstream of the delivery cylinder (2) and upstream of a condensing device (1) with a condensing element (19), in each case as seen in the direction of transport of a sliver (11) through the drafting arrangement (1a).
- Spinning machine according to Claim 1, the spinning machine containing a guide (34) in the form of a deflection element for the sliver (11) in the main drafting zone of the drafting arrangement (1a) with a deflection angle of between 2 and 6°.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10252631A DE10252631A1 (en) | 2002-11-11 | 2002-11-11 | Sliver drawing unit for a spinning machine, with a condenser, has a guide to deflect the sliver path before condensing, in a controlled movement preventing short fibers from projecting out of the sliver |
DE10252631 | 2002-11-11 | ||
PCT/CH2003/000728 WO2004044292A1 (en) | 2002-11-11 | 2003-11-06 | Spinning machine provided with a clamping device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1560961A1 EP1560961A1 (en) | 2005-08-10 |
EP1560961B1 true EP1560961B1 (en) | 2010-01-06 |
Family
ID=32115464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03757629A Expired - Lifetime EP1560961B1 (en) | 2002-11-11 | 2003-11-06 | SPINNING MACHINE with fibre condensing DEVICE |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1560961B1 (en) |
JP (1) | JP4582637B2 (en) |
CN (3) | CN1774529B (en) |
AT (1) | ATE454487T1 (en) |
AU (1) | AU2003273720A1 (en) |
DE (3) | DE10252631A1 (en) |
WO (1) | WO2004044292A1 (en) |
Families Citing this family (11)
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DE102006041770A1 (en) * | 2006-09-04 | 2008-03-06 | Maschinenfabrik Rieter Ag | Fiber compression device for drawing system of spinning machine equipped with roller pairs, comprises a holding device having guiding arms, a compressor element, compressor body, holding arms with mounting units, and further mounting units |
DE102007049337A1 (en) * | 2007-10-12 | 2009-04-16 | Wilhelm Stahlecker Gmbh | Drafting system for warping a fiber structure |
DE102009018125A1 (en) | 2009-04-09 | 2010-10-14 | Wilhelm Stahlecker Gmbh | Cage unit for a drafting system of a textile machine |
JP5526977B2 (en) * | 2010-04-23 | 2014-06-18 | 株式会社豊田自動織機 | Spinning machine drafting equipment |
DE102010034314A1 (en) | 2010-08-13 | 2012-02-16 | Wilhelm Stahlecker Gmbh | System for drafting staple fiber strand, has printing rollers that are arranged on common roll provided with leaf spring used for generating spring force |
JP2012132105A (en) * | 2010-12-20 | 2012-07-12 | Toyota Industries Corp | Draft machine in spinning frame |
CN103757763A (en) * | 2014-01-06 | 2014-04-30 | 天津工业大学 | Equipment and method for spinning covering yarn |
CH710141A1 (en) * | 2014-09-23 | 2016-03-31 | Rieter Ag Maschf | Cage assembly with a guide element for a drafting arrangement of a textile machine. |
CH711153A1 (en) * | 2015-06-01 | 2016-12-15 | Rieter Ag Maschf | Cage with adjustable pressure rod attachment for one pressure roller pair of a drafting unit. |
DE102016109170A1 (en) | 2016-05-19 | 2017-11-23 | Maschinenfabrik Rieter Ag | Cage unit and guide element |
DE102019110881A1 (en) * | 2019-04-26 | 2020-10-29 | Saurer Intelligent Technology AG | Apron stretching system |
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-
2002
- 2002-11-11 DE DE10252631A patent/DE10252631A1/en not_active Withdrawn
- 2002-11-11 DE DE20221912U patent/DE20221912U1/en not_active Expired - Lifetime
-
2003
- 2003-11-06 CN CN200380108444.7A patent/CN1774529B/en not_active Expired - Fee Related
- 2003-11-06 WO PCT/CH2003/000728 patent/WO2004044292A1/en active Application Filing
- 2003-11-06 CN CN201110165536.5A patent/CN102212901B/en not_active Expired - Fee Related
- 2003-11-06 JP JP2004550604A patent/JP4582637B2/en not_active Expired - Fee Related
- 2003-11-06 EP EP03757629A patent/EP1560961B1/en not_active Expired - Lifetime
- 2003-11-06 CN CN2008101700034A patent/CN101423989B/en not_active Expired - Fee Related
- 2003-11-06 DE DE50312325T patent/DE50312325D1/en not_active Expired - Lifetime
- 2003-11-06 AU AU2003273720A patent/AU2003273720A1/en not_active Abandoned
- 2003-11-06 AT AT03757629T patent/ATE454487T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN101423989B (en) | 2011-12-28 |
EP1560961A1 (en) | 2005-08-10 |
CN102212901A (en) | 2011-10-12 |
DE50312325D1 (en) | 2010-02-25 |
JP4582637B2 (en) | 2010-11-17 |
WO2004044292A1 (en) | 2004-05-27 |
JP2006505703A (en) | 2006-02-16 |
CN101423989A (en) | 2009-05-06 |
DE10252631A1 (en) | 2004-05-19 |
ATE454487T1 (en) | 2010-01-15 |
CN102212901B (en) | 2013-02-06 |
CN1774529A (en) | 2006-05-17 |
DE20221912U1 (en) | 2009-06-10 |
AU2003273720A1 (en) | 2004-06-03 |
AU2003273720A8 (en) | 2004-06-03 |
CN1774529B (en) | 2011-12-14 |
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