EP0178614B1 - Combing roller for an open-end spinning machine - Google Patents
Combing roller for an open-end spinning machine Download PDFInfo
- Publication number
- EP0178614B1 EP0178614B1 EP85112983A EP85112983A EP0178614B1 EP 0178614 B1 EP0178614 B1 EP 0178614B1 EP 85112983 A EP85112983 A EP 85112983A EP 85112983 A EP85112983 A EP 85112983A EP 0178614 B1 EP0178614 B1 EP 0178614B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- basic body
- grooves
- cylindrical basic
- groove
- longitudinal axis
- 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
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Classifications
-
- 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
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
- D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
Definitions
- the invention relates to an opening roller for open-end spinning machines according to the preamble of claim 1 and claim 4.
- needles or needle strips or sawtooth wires are known as a clothing for such rollers.
- the latter can be produced and wound up inexpensively, but they do not guarantee optimal combing quality.
- needle sets are very advantageous, but usually require more effort for the initial set or for the renewal that becomes necessary at regular intervals.
- a generic needle roller which has undercuts running parallel to its longitudinal axis, into which the base made of metal can be inserted by needle strips for fixing.
- the foot of the needle bars has a longitudinal recess on its underside, so that two legs which are elastically deformable inward are formed.
- a profile formed in this way has great torsional rigidity.
- the tips of the needles of a roller garnished in this way necessarily lie on lines parallel to the longitudinal axis of the roller, so that the tip distribution is not optimal.
- the object of the invention is to create an opening roller which, with continuous, even engagement in the fiber sliver, enables the use of light and thus unbalance-insensitive roller bodies, with additional re-operations during operation. of the user can be done quickly and easily.
- pinstripes with a certain inherent elasticity of the foot, the pinstripes being held parallel to the longitudinal axis of the groove without additional fixing means, and in the radial direction a corresponding projection on the foot corresponding to the undercut the pinstripe can provide support.
- These pinstripes can thus be used without having to carry out heating for loosening glue or solder connections, which can lead to the rollers treated in this way having to be re-balanced, which requires a corresponding technical outlay.
- roller bodies with a helical circumferential groove which according to the invention runs at an acute angle to the longitudinal axis of the base body, can be produced inexpensively and with the required precision from light aluminum parts by using a spiral milling device.
- an optimal needle distribution over the guide width is achieved by the arrangement of the pinstripes according to the invention.
- Claim 2 specifies a particularly advantageous dimensioning for the angle between the grooves and the longitudinal axis.
- the design of the undercut as a dovetail profile, provided in accordance with claim 3, enables a particularly reliable fit of the pinstripes.
- Claim 4 specifies a ratio for the dimensioning of the groove pitch and the longitudinal axis of the cylinder, by means of which a further, very favorable needle distribution is achieved.
- An opening roller according to the invention comprises a base body 1. Grooves 2 running parallel to one another are introduced into this base body 1 by means of a spiral milling device. In cross section (see FIG. 2), these grooves 2 have a dovetail profile. They run helically relative to the cylindrical base body 1.
- Each individual groove 2 has an inclination a between 5 ° and 30 ° in the projection relative to the longitudinal axis 3 of the base body 1.
- a slope of a 13 ° was chosen.
- the slope a is based on the length 1 of the base body or the width d of the grooves 2 so chosen that in a direction parallel to the longitudinal axis 3 the center 4 of the end of a groove 2 on an end face 5 of the base body 1 is at the same height as the center 6 of an adjacent groove 2 on the other end 7 of the base body 1.
- the garnishing is illustrated by means of a pinstrip 8, for example using a groove.
- a pinstripe consists of a plurality of needles arranged in a row, which are connected to one another by a foot 9 which is injection molded from plastic.
- a plastic is selected which on the one hand has a dimensionally stable, hard-wearing surface and on the other hand has such inherent elasticity that it can easily follow its helical course when inserted into a groove 2.
- 10 washers can be applied to the hub lugs to fix the pinstripes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Steroid Compounds (AREA)
Abstract
Description
Die Erfindung betrifft eine Auflösewalze für Offenend-Spinnmaschinen gemäß dem Oberbegriff von Anspruch 1 bzw. Anspruch 4.The invention relates to an opening roller for open-end spinning machines according to the preamble of
Derartige Auflösewalzen werden in der Textilindustrie in großem Umfang eingesetzt. Sie dienen unter anderem dazu, das ihnen zugeführte Faserband in Einzelfasern aufzulösen. Dementsprechend sind sie von wesentlicher Bedeutung für das zu erzeugende Endprodukt. Dabei ist es wichtig, daß die Garnitur derartiger Auflösewalzen möglichst kontinuierlich und gleichmäßig im Faserfluß läuft.Such opening rollers are widely used in the textile industry. Among other things, they serve to dissolve the sliver fed to them into individual fibers. Accordingly, they are essential for the end product to be produced. It is important that the set of such opening rollers runs as continuously and evenly as possible in the fiber flow.
Grundsätzlich sind als Garnitur für derartige Walzen einzelne Nadeln bzw. Nadelleisten oder Sägezahndrähte bekannt. Letztere lassen sich zwar kostengünstig herstellen und aufziehen, gewährleisten aber nicht eine optimale Kämmqualität. Demgegenüber sind Nadelgarnituren sehr vorteilhaft, erfordern aber in der Regel einen höheren Aufwand bei der Erstgarnierung bzw. bei der in regelmäßigen Abständen erforderlich werdenden Erneuerung.Basically, individual needles or needle strips or sawtooth wires are known as a clothing for such rollers. The latter can be produced and wound up inexpensively, but they do not guarantee optimal combing quality. In contrast, needle sets are very advantageous, but usually require more effort for the initial set or for the renewal that becomes necessary at regular intervals.
Aus der DE-OS-1 907 007 ist eine gattungsgemäße Nadelwalze bekannt, welche parallel zu ihrer Längsachse verlaufende Hinterschneidungen aufweist, in die der aus Metall hergestellte Fuß von Nadelleisten zur Festlegung eingeschoben werden kann. Dort wird auch eine Ausführungsform beschrieben, bei welcher der Fuß der Nadelleisten an seiner Unterseite eine längsverlaufende Ausnehmung aufweist, so daß zwei nach innen elastisch deformierbare Schenkel entstehen. Ein derart gebildetes Profil weist jedoch eine große Verwindungssteifigkeit auf. Die Spitzen der Nadeln einer derart garnierten Walze liegen notwendigerweise auf zur Längsachse der Walze parallelen Linien, so daß die Spitzenverteilung nicht optimal ist.From DE-OS-1 907 007 a generic needle roller is known which has undercuts running parallel to its longitudinal axis, into which the base made of metal can be inserted by needle strips for fixing. There, an embodiment is also described in which the foot of the needle bars has a longitudinal recess on its underside, so that two legs which are elastically deformable inward are formed. However, a profile formed in this way has great torsional rigidity. The tips of the needles of a roller garnished in this way necessarily lie on lines parallel to the longitudinal axis of the roller, so that the tip distribution is not optimal.
Aus der DE-OS-3 148 089 ist es an sich bekannt, eine Walze so mit Nadeln zu garnieren, daß die Nadelspitzen einer geraden Reihe von Nadeln mit der Längsachse einen spitzen Winkel von ca. 17° einschließen und schraubenlinienförmig verlaufen.From DE-OS-3 148 089 it is known per se to garnish a roller with needles in such a way that the needle tips of a straight row of needles enclose an acute angle of approximately 17 ° with the longitudinal axis and extend helically.
Hiervon ausgehend liegt der Erfindung die Aufgabe zugrunde, eine Auflösewalze zu schaffen, welche bei kontinuierlichem, gleichmäßigem Eingriff in das Faserband die Verwendung leichter und damit unwucht-unempfindlicher Walzenkörper ermöglicht, wobei zudem Neugarnierungen im Betrieb. des Anwenders problemlos und schnell vorgenommen werden können.Proceeding from this, the object of the invention is to create an opening roller which, with continuous, even engagement in the fiber sliver, enables the use of light and thus unbalance-insensitive roller bodies, with additional re-operations during operation. of the user can be done quickly and easily.
Diese Aufgabe wird gelöst durch eine Auflösewalze mit den Merkmalen der Ansprüche 1 und 4.This object is achieved by an opening roller having the features of
Das Vorsehen einer schraubenförmig umlaufenden Ausnehmung mit Hinterschneidungen ermöglicht es, Nadelstreifen mit einer gewissen Eigenelastizität des Fußes einzusetzen, wobei die Nadelstreifen durch die schraubenförmige Verwindung bereits ohne zusätzliche Festlegungsmittel parallel zur Nutlängsachse gehalten werden, und wobei in radialer Richtung ein der Hinterschneidung entsprechender korrespondierender Vorsprung am Fuß der Nadelstreifen für Halt sorgen kann. Diese Nadelstreifen lassen sich also einsetzen, ohne daß Erwärmungen für das Lösen von Leim- oder Lötverbindungen durchgeführt werden müssen, welche dazu führen können, daß die so behandelten Walzen neu ausgewuchtet werden müssen, was einen entsprechenden technischen Aufwand erfordert. Zudem lassen sich Walzenkörper mit einer schraubenförmig umlaufenden Nut, welche entsprechend der Erfindung in spitzem Winkel zur Längsachse des Grundkörpers verläuft, durch die Verwendung einer Spiralfräseinrichtung kostengünstig und mit der erforderlichen Präzision aus leichten Aluminiumteilen herstellen. Letztlich wird noch durch die erfindungsgemäße Anordnung der Nadelstreifen eine optimale Nadelverteilung über die Führungsbreite erzielt.The provision of a helical circumferential recess with undercuts makes it possible to use pinstripes with a certain inherent elasticity of the foot, the pinstripes being held parallel to the longitudinal axis of the groove without additional fixing means, and in the radial direction a corresponding projection on the foot corresponding to the undercut the pinstripe can provide support. These pinstripes can thus be used without having to carry out heating for loosening glue or solder connections, which can lead to the rollers treated in this way having to be re-balanced, which requires a corresponding technical outlay. In addition, roller bodies with a helical circumferential groove, which according to the invention runs at an acute angle to the longitudinal axis of the base body, can be produced inexpensively and with the required precision from light aluminum parts by using a spiral milling device. Ultimately, an optimal needle distribution over the guide width is achieved by the arrangement of the pinstripes according to the invention.
Eine besonders vorteilhafte Dimensionierung für den Winkel zwischen den Nuten und der Längsachse gibt Anspruch 2 an. Die gemäß Anspruch 3 vorgesehene Ausbildung der Hinterschneidung als Schwalbenschwanzprofil ermöglicht einen besonders zuverlässigen Sitz der Nadelstreifen.
Anspruch 4 gibt ein Verhältnis für die Dimensionierung von Nuten-Steigung und Zylinderlängsachse an, durch welches eine weitere, sehr günstige Nadelverteilung erreicht wird.
In der folgenden Beschreibung wird eine bevorzugte Ausführungsform der Erfindung anhand der Zeichnung erläutert. Dabei zeigen
- Fig. 1 eine schematisierte perspektivische Ansicht einer erfindungsgemäßen Auflösewalze ohne Garnitur,
- Fig. 2 eine Fig. 1 entsprechende stirnseitige Ansicht,
- Fig. 3 eine Seitenansicht, und
- Fig.4 eine vergrößerte Teilansicht von der Stirnseite mit Nadelgarnierung.
- 1 is a schematic perspective view of an opening roller according to the invention without a set,
- 2 is a front view corresponding to FIG. 1,
- Fig. 3 is a side view, and
- 4 is an enlarged partial view from the front with needle garnish.
Eine erfindungsgemäße Auflösewalze umfaßt einen Grundkörper 1. In diesen Grundkörper 1 sind mittels einer Spiralfräseinrichtung um den Umfang verteilt zueinander parallelverlaufende Nuten 2 eingebracht. Diese Nuten 2 weisen im Querschnitt (vgl. Fig. 2) ein Schwalbenschwanzprofil auf. Sie verlaufen relativ zum zylinderförmigen Grundkörper 1 schraubenlinienförmig.An opening roller according to the invention comprises a
Jede einzelne Nut 2 weist gegenüber der Längsachse 3 des Grundkörpers 1 in der Projektion eine Steigung a zwischen 5° und 30° auf. Im Ausführungsbeispiel wurde eine Steigung von a = 13° gewählt.Each
Die Steigung a ist bezogen auf die Länge 1 des Grundkörpers bzw. die Breite d der Nuten 2 so gewählt, daß in einer Richtung parallel zur Längsachse 3 der Mittelpunkt 4 des Endes einer Nut 2 an einer Stirnseite 5 des Grundkörpers 1 in gleicher Höhe liegt wie der Mittelpunkt 6 einer benachbarten Nut 2 an der jeweils anderen Stirnseite 7 des Grundkörpers 1.The slope a is based on the
In Fig. 2 ist beispielsweise anhand einer Nut die Garnierung mittels eines Nadelstreifens 8 veranschaulicht. Ein derartiger Nadelstreifen besteht aus einer Mehrzahl in Reihe angeordneter Nadeln, welche untereinander durch einen Fuß 9 verbunden sind, welcher aus Kunststoff gespritzt ist. Hierfür wird ein Kunststoff gewählt, welcher einerseits eine formbeständige, strapazierfähige Oberfläche aufweist und andererseits über eine solche Eigenelastizität verfügt, daß er problemlos beim Einschieben in eine Nut 2 deren schraubenlinienförmigem Verlauf folgen kann. Hierdurch wird bereits ohne zusätzliche Festlegungsmittel ein fester, definierter Sitz des Nadelstreifens 8 erreicht. Zusätzlich können auf die Nabenansätze 10 Haltescheiben zur Festlegung der Nadelstreifen aufgebracht werden.In FIG. 2, the garnishing is illustrated by means of a
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85112983T ATE46373T1 (en) | 1984-10-18 | 1985-10-12 | OPENING ROLLER FOR OPEN-END SPINNING MACHINES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3438133 | 1984-10-18 | ||
DE19843438133 DE3438133A1 (en) | 1984-10-18 | 1984-10-18 | OPEN-END SPINNING MACHINE |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0178614A2 EP0178614A2 (en) | 1986-04-23 |
EP0178614A3 EP0178614A3 (en) | 1987-06-16 |
EP0178614B1 true EP0178614B1 (en) | 1989-09-13 |
Family
ID=6248155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85112983A Expired EP0178614B1 (en) | 1984-10-18 | 1985-10-12 | Combing roller for an open-end spinning machine |
Country Status (8)
Country | Link |
---|---|
US (1) | US4625366A (en) |
EP (1) | EP0178614B1 (en) |
AT (1) | ATE46373T1 (en) |
CS (1) | CS252833B2 (en) |
DD (2) | DD239010A5 (en) |
DE (2) | DE3438133A1 (en) |
IN (1) | IN163024B (en) |
SU (1) | SU1412601A3 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH669215A5 (en) * | 1986-04-10 | 1989-02-28 | Heinz Buess | OPENER ROLLER. |
DE8713692U1 (en) * | 1987-10-12 | 1988-01-14 | Hollingsworth Gmbh, 7265 Neubulach | Opening roller for open-end spinning machine |
DE3914543A1 (en) * | 1989-05-02 | 1990-11-08 | Rieter Ag Maschf | CYLINDER ROLL FOR WORKING TIPS FOR A TEXTILE MACHINE |
DE4033262A1 (en) * | 1990-10-19 | 1992-04-23 | Staedtler & Uhl | PINSTRIPE STRAP |
DE4033263A1 (en) * | 1990-10-19 | 1992-04-23 | Staedtler & Uhl | NEEDLE BAR FOR TEXTILE MACHINES |
DE4114561A1 (en) * | 1991-05-04 | 1992-11-05 | Staedtler & Uhl | Open-end spinner sliver loosening roller |
JP5066566B2 (en) * | 2006-07-03 | 2012-11-07 | ホナム ペトロケミカル コープ | Micro needle roller assembly |
KR100792382B1 (en) * | 2006-07-03 | 2008-01-08 | 호남석유화학 주식회사 | A micro needle roller and forming mold thereof |
CH706351A1 (en) * | 2012-04-13 | 2013-10-15 | Rieter Ag Maschf | Off roller. |
US8898863B2 (en) * | 2012-10-02 | 2014-12-02 | Lummus Corporation | Axial saw cotton seed reclaimer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3148089A1 (en) * | 1981-12-04 | 1983-06-09 | Reiners & Fürst, 4050 Mönchengladbach | RING WITH A SET FOR THE OPENING ROLLER OF AN OPEN-END SPINNING MACHINE |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE52874C (en) * | F. WlLKINSON, Nr. 13 India Buildings, Crofs Street in Manchester, Grafschaft Lancaster, England | Scraper fittings for the lids and rollers of the cards | ||
US798913A (en) * | 1904-10-13 | 1905-09-05 | Robert Meyer | Combing-cylinder for combing-machines. |
US2694835A (en) * | 1950-11-02 | 1954-11-23 | Hercules Mfg Company Inc | Picking and shredding machine |
US2940129A (en) * | 1956-02-02 | 1960-06-14 | Stewart & Sons Wm R | Hackling machines |
CH505919A (en) * | 1969-01-31 | 1971-04-15 | Chr Burckhardt Fa | Needle roller |
GB1332856A (en) * | 1970-05-14 | 1973-10-10 | Chubu Seiko Kk | Rotary drafting apparatus |
DE7345782U (en) * | 1973-12-24 | 1974-06-27 | Seelemann Baumann Gmbh | Licker-in roller for open-end spinning machines |
DE2906544C3 (en) * | 1979-02-20 | 1981-12-03 | Staedtler & Uhl, 8540 Schwabach | Clamping attachment for pin strips in a U-shaped recess of a needle bar or a needle roller |
DE2911362A1 (en) * | 1979-03-23 | 1980-10-02 | Reiners & Fuerst | RING WITH SET FOR THE OPENING ROLLER OF AN OPENING SPINNING MACHINE |
DD210714A1 (en) * | 1982-10-12 | 1984-06-20 | Ver Baumwollspinnereien Und Zw | COMPACT TOOTH RING FOR FIBER DISCONNECTION ON OPEN END SPINNING MACHINES |
-
1984
- 1984-10-18 DE DE19843438133 patent/DE3438133A1/en active Granted
-
1985
- 1985-10-12 EP EP85112983A patent/EP0178614B1/en not_active Expired
- 1985-10-12 DE DE8585112983T patent/DE3573002D1/en not_active Expired
- 1985-10-12 AT AT85112983T patent/ATE46373T1/en not_active IP Right Cessation
- 1985-10-14 DD DD85281696A patent/DD239010A5/en not_active IP Right Cessation
- 1985-10-14 IN IN726/CAL/85A patent/IN163024B/en unknown
- 1985-10-16 US US06/787,996 patent/US4625366A/en not_active Expired - Fee Related
- 1985-10-17 CS CS857416A patent/CS252833B2/en unknown
- 1985-10-17 DD DD85281839A patent/DD242065A5/en not_active IP Right Cessation
- 1985-10-17 SU SU853966198A patent/SU1412601A3/en active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3148089A1 (en) * | 1981-12-04 | 1983-06-09 | Reiners & Fürst, 4050 Mönchengladbach | RING WITH A SET FOR THE OPENING ROLLER OF AN OPEN-END SPINNING MACHINE |
Also Published As
Publication number | Publication date |
---|---|
DD239010A5 (en) | 1986-09-10 |
CS252833B2 (en) | 1987-10-15 |
SU1412601A3 (en) | 1988-07-23 |
EP0178614A2 (en) | 1986-04-23 |
DE3438133C2 (en) | 1987-05-21 |
ATE46373T1 (en) | 1989-09-15 |
US4625366A (en) | 1986-12-02 |
DD242065A5 (en) | 1987-01-14 |
DE3438133A1 (en) | 1986-04-30 |
EP0178614A3 (en) | 1987-06-16 |
IN163024B (en) | 1988-07-30 |
CS741685A2 (en) | 1987-03-12 |
DE3573002D1 (en) | 1989-10-19 |
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