EP0355503A2 - Carding machine with a cross-strip at the exit - Google Patents

Carding machine with a cross-strip at the exit Download PDF

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Publication number
EP0355503A2
EP0355503A2 EP89114231A EP89114231A EP0355503A2 EP 0355503 A2 EP0355503 A2 EP 0355503A2 EP 89114231 A EP89114231 A EP 89114231A EP 89114231 A EP89114231 A EP 89114231A EP 0355503 A2 EP0355503 A2 EP 0355503A2
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EP
European Patent Office
Prior art keywords
shoulder
cross
rolls
drum
cross belt
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.)
Withdrawn
Application number
EP89114231A
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German (de)
French (fr)
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EP0355503A3 (en
Inventor
Paul Stäheli
Giuseppe Verzilli
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Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0355503A2 publication Critical patent/EP0355503A2/en
Publication of EP0355503A3 publication Critical patent/EP0355503A3/en
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D01G15/465—Doffing arrangements for removing fibres using, or cooperating with, pneumatic means

Definitions

  • the present invention relates to a card for producing a sliver with a reel and a take-off, which removes the carded fibers from the reel and feeds them to a nip formed between at least two rotating rollers, the fiber web emerging from the nip on the upper run of a circumferential cross belt is deposited, which runs in the axial direction of the rollers between the axial ends of the rollers arranged adjacent deflecting rollers and leads the fiber web to one axial end of the rollers.
  • a card of this type is described in German Patent Application 16 85 617 or in the corresponding US Pat. No. 3,481,004.
  • this is often arranged in such a way that it runs in a horizontal plane, but in such a way that the surface of the upper run forms an angle of approximately 30 ° transversely to the running direction.
  • a stationary guide plate is arranged on the longitudinal side of the upper run facing the customer, the plate, so to speak, the gap between covers the upper run and the adjacent structure or the rollers.
  • the object of the present invention is to develop a card of the type mentioned at the outset with simple means such that at least essentially no more fiber packs are produced, so that from this source there are no longer any quality losses in the subsequent yarn production process.
  • the invention provides that the cross belt has at least on its longitudinal side facing the drum a shoulder, which is arranged on its outer surface, the fiber web leading.
  • the invention is therefore based on the knowledge that the guide plate is the actual cause of the fiber packs, because dirt particles collect between the guide plate and the cross belt and because the guide plate represents a standing surface, which is next to the circumferential surface of the guide belt, what eventually leads to the formation of fiber packs.
  • the invention is based on the knowledge that this twisting will not occur if there is no slippage between the guide surface and the upper run of the cross belt, which can be avoided by forming a shoulder on the outer surface of the cross belt on its longitudinal edge facing the customer .
  • the shoulder therefore always runs around with the cross band and prevents the formation of the unwanted Fiber packets.
  • the circumferential shoulder which forms a unitary structure, in particular with the transverse ligament, i.e. a one-piece structure, therefore extends according to the invention over the entire circumference of the endless cross belt.
  • the design of the cross belt according to the invention can be used both with cards in which the upper run of the cross belt is arranged inclined, and with cards where the surface of the upper run runs in a horizontal plane.
  • the transverse belt has a second shoulder on its longitudinal side facing away from the drum, which is also arranged on its outer surface which transports the fiber pile and, as before, over the entire circumference of the cross belt and rotates with it.
  • the two shoulders form a kind of circumferential groove with the upper run of the cross belt, which ensures good guidance of the fibrous web when it is transferred to the funnel mentioned.
  • Fig. 1 shows the reel 11 of a card, which rotates in operation in the direction of arrow 12 about an axis of rotation 13.
  • the reel carries a needle set (not shown) in a known manner, carded fibers 14 being carried at the tips of the needles and forming a very fine combed fiber pile.
  • To the right of the drum is the usual pickup, which rotates in the direction of arrow 15 its axis of rotation 16.
  • the customer also carries, in a manner known per se, a needle set (not shown), the needle tips of which take over the fibrous web supplied by the spool 11 and lead to a pile removal roller 17, which can be designed, for example, as a grooved roller and rotates in the direction of arrow 18.
  • the pile take-off roller 17 and the guide roller 19 guide the fibrous web to a nip between two pinch rollers 21, 22, the roller 21 rotating in the same direction as the pile pick-up roller 17 and the roller 22 rotating in the same direction as the roller 19.
  • Die Rollers 21, 22 are highly polished rolls with two or three grooves, the surfaces of which extend in a helical shape and with such a pitch that each groove has approximately two complete revolutions over the length of the rolls 21, 22.
  • Both the customer and the pile removal roller 17, the guide roller 19 and the pinch rollers 21, 22 extend over the entire width of the reel.
  • the fiber web 23 emerging from the nip point of the nip rollers 21, 22 is placed on the upper run 24 of a cross belt which runs in the axial direction of the transverse rollers in the drawing in the direction perpendicular to the plane of the drawing into this plane.
  • the cross belt is guided over two deflection rollers 25, which are each arranged adjacent to the axial ends of the rollers and run around respective axes 26.
  • deflection roller 25 and its axis 26 can be seen in FIG. 1.
  • the upper run thus runs in a horizontal direction, but inclined in the transverse direction to the horizontal plane.
  • the fiber web with a total width of the nip of the pinch roller 21, 22 of about 1 m is laterally brought together and guided around the deflection roller at the end of the cross belt in such a way that a fiber band 27 of about 2 to 5 cm in thickness is produced.
  • This tape is fed to a measuring funnel 28 in a manner known per se.
  • This guide plate 29 which is arranged stationary with respect to the card frame.
  • This guide plate i.e. the guide strip 30, which is arranged adjacent to the cross belt, occasionally leads to the formation of fiber packs, as described in more detail above.
  • Fig. 2 shows an arrangement which is very similar to the arrangement according to Fig. 1, at least as far as the mutual arrangement of the drum 11, the pickup 10, the take-off roller 17, the guide roller 19 and the pinch rollers 22 is concerned, which is why for the same parts the same reference numerals have been chosen.
  • the cross belt 30 runs around two deflection rollers 25, only one of which can be seen in the drawing.
  • the cross band 31 is provided with a circumferential shoulder 32 and that the angled guide plate 29 is now arranged such that the strip 30 facing the cross band is parallel to the outer side of the shoulder 32 on the upper run of the cross belt and is at a small distance from it.
  • the inner side 33 of the shoulder 32 now takes over the guiding function of the strip 30 of the guide plate 29 according to FIG. 1, but with the difference that it runs with the cross belt, so that the fibers cannot be twisted.
  • Fig. 4 shows a modified embodiment of the cross belt, which shows a second shoulder 35 which is arranged on the long side of the cross belt facing away from the drum and, like the shoulder 32, rotates with the cross belt.
  • This shoulder also contributes to the fact that no fiber bundles are created. Although fiber bundles are less likely to form on the long side of the cross belt facing away from the drum than on the long side facing the drum, here too there is normally normally a stationary structure which can lead to fiber packs if the fiber web deposited on the cross belt is too wide.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

A carding machine for producing a sliver, comprising a cylinder and a doffer which strips the carded fibres off the cylinder and guides them into a nip formed between at least two rotating rolls, the web emerging from the nip being deposited on the upper half of a cross-strip which moves in the axial direction of the rolls between deflecting rollers arranged adjacent to the axial ends of the rolls and guide the web to one of the axial ends of the rolls, is characterised in that the cross-strip (31) has at least on its longitudinal side facing the cylinder (11) a shoulder (32) arranged on its outer surface guiding the web. …<IMAGE>…

Description

Die vorliegende Erfindung betrifft eine Karde zur Herstellung eines Faserbandes mit einem Tambour und einem Abnehmer, welcher die kardierten Fasern vom Tambour abnimmt und einer zwischen mindestens zwei sich drehenden Walzen gebildeten Klemmstelle zuführt, wobei der aus der Klemmstelle austretende Faserflor auf den oberen Trum eines umlaufenden Querbandes abgelegt wird, der in Achsrichtung der Walzen zwischen den axialen Enden der Walzen benachbart angeordneten Umlenkrollen läuft und den Faserflor zu dem einen axialen Ende der Walzen führt. Eine Karde dieser Art ist in der deutschen Auslegeschrift 16 85 617 beschrieben bzw. in der entsprechenden US-Patentschrift 3 481 004.The present invention relates to a card for producing a sliver with a reel and a take-off, which removes the carded fibers from the reel and feeds them to a nip formed between at least two rotating rollers, the fiber web emerging from the nip on the upper run of a circumferential cross belt is deposited, which runs in the axial direction of the rollers between the axial ends of the rollers arranged adjacent deflecting rollers and leads the fiber web to one axial end of the rollers. A card of this type is described in German Patent Application 16 85 617 or in the corresponding US Pat. No. 3,481,004.

Die Verwendung eines Querbandes, um den Faserflor zu der einen Stirnseite einer Karde zu führen, wo es anschließend an der Umlenkstelle des Querbandes mit diesem um etwa 90° umgelenkt und beispielsweise durch einen Meßtrichter geführt wird, hat sich in der Praxis als sehr vorteilhaft erwiesen.The use of a cross belt to guide the fibrous web to the one end face of a card, where it is then deflected by about 90 ° at the deflection point of the cross belt and, for example, through a measuring funnel, has proven to be very advantageous in practice.

Um die Umlenkung des Faserflors durch das Querband zu ermöglichen, wird dieses häufig so angeordnet, daß es zwar in einer horizontalen Ebene läuft, jedoch so, daß die Oberfläche des oberen Trums quer zur Laufrichtung einen Winkel von etwa 30° bildet.In order to enable the deflection of the fibrous web by the cross belt, this is often arranged in such a way that it runs in a horizontal plane, but in such a way that the surface of the upper run forms an angle of approximately 30 ° transversely to the running direction.

Bei der praktischen Ausführung von manchen mit einem solchen Querband ausgestatteten Karden, vor allem bei solchen, wo die Oberfläche des oberen Trums geneigt angeordnet ist, wird ein stationäres Führungsblech an der dem Abnehmer zugewandten Längsseite des oberen Trums angeordnet, wobei das Blech sozusagen den Spalt zwischen dem oberen Trum und der benachbarten Struktur bzw. den Walzen abdeckt.In the practical implementation of some cards equipped with such a cross belt, especially those where the surface of the upper run is arranged inclined, a stationary guide plate is arranged on the longitudinal side of the upper run facing the customer, the plate, so to speak, the gap between covers the upper run and the adjacent structure or the rollers.

In der Praxis ist festgestellt worden, daß am Rande des Faserflors auf dem Querband Faserpakete auftreten. Diese Faserpakete können sich ablösen und mit dem Faserband mitgehen, was sich nachteilig auf die nachfolgende Verarbeitung der Fasern auswirken. Solche Faserpakete sind somit unerwünscht.In practice it has been found that fiber packs occur on the edge of the fiber web on the cross belt. These fiber packs can detach and go with the sliver, which has a disadvantageous effect on the subsequent processing of the fibers. Such fiber packages are therefore undesirable.

Aufgabe der vorliegenden Erfindung ist es eine Karde der eingangs genannten Art mit einfachen Mitteln so weiterzubilden, daß zumindest im wesentlichen keine Faserpakete mehr entstehen, so daß von dieser Quelle aus keine Qualitätseinbußen mehr im nachfolgenden Garnherstellungsprozess vorkommen.The object of the present invention is to develop a card of the type mentioned at the outset with simple means such that at least essentially no more fiber packs are produced, so that from this source there are no longer any quality losses in the subsequent yarn production process.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, daß das Querband mindestens an seiner dem Tambour zuge­wandten Längsseite eine Schulter aufweist, die an ihrer äußeren, den Faserflor führenden Oberfläche angeordnet ist.To achieve this object, the invention provides that the cross belt has at least on its longitudinal side facing the drum a shoulder, which is arranged on its outer surface, the fiber web leading.

Die Erfindung beruht daher auf den Erkenntnissen, daß das Führungsblech die eigentliche Ursache der Faserpa­kete ist und zwar deshalb, weil Schmutzteilchen sich zwischen dem Führungsblech und dem Querband sammeln und weil das Führungsblech eine stehende Fläche darstellt, die neben der umlaufenden Fläche des Führungsbandes liegt, was schließlich zu der Bildung von Faserpaketen führt.The invention is therefore based on the knowledge that the guide plate is the actual cause of the fiber packs, because dirt particles collect between the guide plate and the cross belt and because the guide plate represents a standing surface, which is next to the circumferential surface of the guide belt, what eventually leads to the formation of fiber packs.

Weiterhin beruht die Erfindung auf der Erkenntnis, daß diese Verdrillung dann nicht auftreten wird, wenn kein Schlupf zwischen der Führungsfläche und dem oberen Trum des Querbandes auftritt, was sich durch Ausbildung einer Schulter an der äußeren Oberfläche des Querbandes an dessen dem Abnehmer zugewandten Längskante vermeiden läßt. Die Schulter läuft somit stets mit dem Querband um und verhindert die Bildung der unerwünschten Faserpakete.Furthermore, the invention is based on the knowledge that this twisting will not occur if there is no slippage between the guide surface and the upper run of the cross belt, which can be avoided by forming a shoulder on the outer surface of the cross belt on its longitudinal edge facing the customer . The shoulder therefore always runs around with the cross band and prevents the formation of the unwanted Fiber packets.

Die umlaufende Schulter, die insbesondere mit dem Querband ein einheitliches Gebilde bildet, d.h. ein einstückiges Gebilde, erstreckt sich daher erfindungs­gemäß über den gesamten Umfang des endlosen Querbandes.The circumferential shoulder, which forms a unitary structure, in particular with the transverse ligament, i.e. a one-piece structure, therefore extends according to the invention over the entire circumference of the endless cross belt.

Die erfindungsgemäße Ausbildung des Querbandes kann sowohl mit Karden verwendet werden, bei denen der obere Trum des Querbandes geneigt angeordnet ist, als auch bei Karden, wo die Oberfläche des oberen Trums in einer horizontalen Ebene läuft.The design of the cross belt according to the invention can be used both with cards in which the upper run of the cross belt is arranged inclined, and with cards where the surface of the upper run runs in a horizontal plane.

Insbesondere bei diesen Ausführungen, aber auch bei geneigten Ausführungen erweist es sich als vorteilhaft, wenn das Querband an seiner dem Tambour abgewandten Längsseite eine zweite Schulter aufweist, die ebenfalls auf seiner äußeren, den Faserflor transportierenden Oberfläche angeordnet ist und wie bisher sich über den gesamten Umfang des Querbandes erstreckt und mit diesem umläuft. Die beiden Schultern bilden mit dem oberen Trum des Querbandes eine Art umlaufende Nut, die eine gute Führung des Faserflors bei der Übergabe an den genannten Trichter sicherstellt.In particular in the case of these designs, but also in the case of inclined designs, it proves to be advantageous if the transverse belt has a second shoulder on its longitudinal side facing away from the drum, which is also arranged on its outer surface which transports the fiber pile and, as before, over the entire circumference of the cross belt and rotates with it. The two shoulders form a kind of circumferential groove with the upper run of the cross belt, which ensures good guidance of the fibrous web when it is transferred to the funnel mentioned.

Besonders bevorzugte Weiterbildungen des Querbandes sind in den Unteransprüchen angegeben.Particularly preferred developments of the cross belt are specified in the subclaims.

Die Erfindung wird nachfolgend anhand der Zeichnung näher erläutert, in der zeigt:

  • Fig. 1 eine schematische Seitenansicht einer Karde nach dem Stand der Technik,
  • Fig. 2 eine ähnliche Seitenansicht einer erfindungsgemäßen Karde mit Querband mit Schultern,
  • Fig. 3 eine perspektivische Darstellung eines teilweise weggeschnittenen Querbandes mit einer erfindungsgemäßen Schulter, und
  • Fig. 4 eine schematische Darstellung ähnlich der Fig. 3 einer weiteren Ausführungsform eines Querbandes mit zwei erfindungsgemäßen Schultern.
The invention is explained in more detail below with reference to the drawing, in which:
  • 1 is a schematic side view of a card according to the prior art,
  • 2 a similar side view of a card according to the invention with a transverse band with shoulders,
  • Fig. 3 is a perspective view of a partially cut cross band with a shoulder according to the invention, and
  • Fig. 4 is a schematic representation similar to FIG. 3 of a further embodiment of a cross band with two shoulders according to the invention.

Fig. 1 zeigt den Tambour 11 einer Karde, der sich im Betrieb in Pfeilrichtung 12 um eine Drehachse 13 dreht. Der Tambour trägt in bekannter Weise eine Nadelgarnitur (nicht gezeigt), wobei kardierte Fasern 14 an den Spitzen der Nadeln getragen werden und einen sehr feinen gekämmten Faserflor bilden. Rechts vom Tambour befindet sich der übliche Abnehmer, der in Pfeilrich­tung 15 seine Drehachse 16 umläuft. Der Abnehmer trägt auch in an sich bekannter Weise eine Nadelgarnitur (nicht gezeigt), deren Nadelspitzen den vom Tambour 11 gelieferten Faserflor übernehmen und zu einer Florab­nahmewalze 17 führen, welche beispielsweise als Nuten­walze ausgebildet sein kann und sich in Richtung des Pfeiles 18 dreht. Gegenüber der Florabnahmewalze 18 befindet sich eine Führungswalze 19, die in der entge­gengesetzten Richtung läuft. Die Florabnahmewalze 17 und die Führungswalze 19 führen den Faserflor an eine Klemmstelle zwischen zwei Klemmwalzen 21, 22, wobei die Walze 21 sich in die gleiche Richtung dreht wie die Florabnahmewalze 17 und die Walze 22 sich in die gleiche Richtung dreht wie die Walze 19. Die Walzen 21, 22 sind hochpolierte Walzen mit zwei oder drei Nuten, deren Oberflächen sich wendelförmig erstrecken und zwar mit einer solchen Steigung, daß jede Nut etwa zwei gesamte Umdrehungen über die Länge der Walzen 21, 22 aufweist.Fig. 1 shows the reel 11 of a card, which rotates in operation in the direction of arrow 12 about an axis of rotation 13. The reel carries a needle set (not shown) in a known manner, carded fibers 14 being carried at the tips of the needles and forming a very fine combed fiber pile. To the right of the drum is the usual pickup, which rotates in the direction of arrow 15 its axis of rotation 16. The customer also carries, in a manner known per se, a needle set (not shown), the needle tips of which take over the fibrous web supplied by the spool 11 and lead to a pile removal roller 17, which can be designed, for example, as a grooved roller and rotates in the direction of arrow 18. Opposite the pile removal roller 18 is a guide roller 19 which runs in the opposite direction. The pile take-off roller 17 and the guide roller 19 guide the fibrous web to a nip between two pinch rollers 21, 22, the roller 21 rotating in the same direction as the pile pick-up roller 17 and the roller 22 rotating in the same direction as the roller 19. Die Rollers 21, 22 are highly polished rolls with two or three grooves, the surfaces of which extend in a helical shape and with such a pitch that each groove has approximately two complete revolutions over the length of the rolls 21, 22.

Sowohl der Abnehmer als auch die Florabnahmewalze 17, die Führungswalze 19 und die Klemmwalzen 21, 22 erstrecken sich über die gesamte Breite des Tambours. Der aus der Klemmstelle der Klemmwalzen 21, 22 austretende Faserflor 23 wird auf den oberen Trum 24 eines Querbandes abgelegt, der in Achsrichtung der Querwalzen läuft und zwar in der Zeichnung in der Richtung senkrecht zu der Ebene der Zeichnung in diese Ebene hinein. Das Querband ist über zwei Umlenkrollen 25 geführt, die jeweils den axialen Enden der Walzen benachbart angeordnet sind und um jeweilige Achsen 26 umlaufen. Der Darstellung halber ist nur die eine Umlenkrolle 25 und ihre Achse 26 in Fig. 1 zu sehen. Der obere Trum läuft somit in einer horizontalen Richtung, jedoch in Querrichtung geneigt zur horizon­talen Ebene. Auf diese Weise wird der Faserflor mit einer gesamten Breite der Klemmstelle der Klemmwalze 21, 22 von etwa 1 m seitlich so zusammengeführt und um die Umlenkrolle am Ende des Querbandes geführt, daß ein Faserband 27 von etwa 2 bis 5 cm Dicke entsteht. Dieses Band wird einem Meßtrichter 28 in an sich bekannter Weise zugeführt.Both the customer and the pile removal roller 17, the guide roller 19 and the pinch rollers 21, 22 extend over the entire width of the reel. The fiber web 23 emerging from the nip point of the nip rollers 21, 22 is placed on the upper run 24 of a cross belt which runs in the axial direction of the transverse rollers in the drawing in the direction perpendicular to the plane of the drawing into this plane. The cross belt is guided over two deflection rollers 25, which are each arranged adjacent to the axial ends of the rollers and run around respective axes 26. For the sake of illustration, only one deflection roller 25 and its axis 26 can be seen in FIG. 1. The upper run thus runs in a horizontal direction, but inclined in the transverse direction to the horizontal plane. In this way, the fiber web with a total width of the nip of the pinch roller 21, 22 of about 1 m is laterally brought together and guided around the deflection roller at the end of the cross belt in such a way that a fiber band 27 of about 2 to 5 cm in thickness is produced. This tape is fed to a measuring funnel 28 in a manner known per se.

Zwischen der unteren Klemmwalze 21 und der dem Tambour zugewandten Längsseite des Querbandes befindet sich ein abgewinkeltes Führungsblech 29, das stationär in bezug auf das Kardengestell angeordnet ist. Dieses Führungs­blech, d.h. der Führungsstreifen 30, der dem Querband benachbart angeordnet ist, führt gelegentlich zu der Ausbildung von Faserpaketen, wie oben näher beschrieben ist.Between the lower pinch roller 21 and the long side of the cross belt facing the reel there is an angled guide plate 29 which is arranged stationary with respect to the card frame. This guide plate, i.e. the guide strip 30, which is arranged adjacent to the cross belt, occasionally leads to the formation of fiber packs, as described in more detail above.

Die Fig. 2 zeigt eine Anordnung, die der Anordnung gemäß Fig. 1 sehr ähnlich ist, zumindest was die gegen­seitige Anordnung den Tambour 11, den Abnehmer 10, die Abnahmewalze 17, die Führungswalze 19 und die Klemm­walzen 22 anbetrifft, weshalb für die gleichen Teile die gleichen Bezugszeichen gewählt worden sind. Auch bei diesem Beispiel läuft das Querband 30 um zwei Umlenkrollen 25, von denen nur die eine in der Zeich­nung zu sehen ist.Fig. 2 shows an arrangement which is very similar to the arrangement according to Fig. 1, at least as far as the mutual arrangement of the drum 11, the pickup 10, the take-off roller 17, the guide roller 19 and the pinch rollers 22 is concerned, which is why for the same parts the same reference numerals have been chosen. In this example, too, the cross belt 30 runs around two deflection rollers 25, only one of which can be seen in the drawing.

Man sieht deutlich aus Fig. 2 und 3, daß das Querband 31 mit einer umlaufenden Schulter 32 versehen ist und daß das abgewinkelte Führungsblech 29 nunmehr so angeordnet ist, daß sich der dem Querband zugewandte Streifen 30 parallel zur äußeren Seite der Schulter 32 am oberen Trum des Querbandes liegt und von dieser einen kleinen Abstand aufweist.2 and 3 that the cross band 31 is provided with a circumferential shoulder 32 and that the angled guide plate 29 is now arranged such that the strip 30 facing the cross band is parallel to the outer side of the shoulder 32 on the upper run of the cross belt and is at a small distance from it.

Die innere Seite 33 der Schulter 32 übernimmt nun die Führungsfunktion des Streifens 30 des Führungsbleches 29 gemäß Fig. 1, jedoch mit dem Unterschied, daß sie mit dem Querband läuft, so daß keine Verdrillung der Fasern entstehen kann.The inner side 33 of the shoulder 32 now takes over the guiding function of the strip 30 of the guide plate 29 according to FIG. 1, but with the difference that it runs with the cross belt, so that the fibers cannot be twisted.

Fig. 4 zeigt eine abgewandelte Ausführungsform des Querbandes, das eine zweite Schulter 35 zeigt, die an der dem Tambour abgewandten Längsseite des Querbandes angeordnet ist und ebenso wie die Schulter 32 mit dem Querband umläuft. Auch diese Schulter trägt dazu bei, daß keine Faserpakete entstehen. Zwar ist das Entstehen von Faserpaketen an der dem Tambour abgewandten Längs­seite des Querbandes weniger wahrscheinlich als an der dem Tambour zugewandten Längsseite, aber auch hier ist schließlich normalerweise eine stationäre Struktur vorhanden, die bei Überbreite des auf dem Querband abgelegten Faserflors zu Faserpaketen führen kann.Fig. 4 shows a modified embodiment of the cross belt, which shows a second shoulder 35 which is arranged on the long side of the cross belt facing away from the drum and, like the shoulder 32, rotates with the cross belt. This shoulder also contributes to the fact that no fiber bundles are created. Although fiber bundles are less likely to form on the long side of the cross belt facing away from the drum than on the long side facing the drum, here too there is normally normally a stationary structure which can lead to fiber packs if the fiber web deposited on the cross belt is too wide.

Aus Fig. 4 ist auch ersichtlich, daß das Querband und die beiden Schultern eine Art Nut 36 an der Umlenkwalze 25 bilden, wobei diese Nut eine gewisse Führungsfunk­tion bei der Bewegung des Faserflors um die Umlenkwalze 25 übernimmt und für eine schonende Übergabe an den Trichter 28 (Fig. 1) sorgt.From Fig. 4 it can also be seen that the cross belt and the two shoulders form a kind of groove 36 on the deflecting roller 25, this groove assumes a certain guiding function in the movement of the fibrous web around the deflecting roller 25 and for a gentle transfer to the Funnel 28 (Fig. 1) provides.

Claims (6)

1. Karde zur Herstellung eines Faserbandes mit einem Tambour und einem Abnehmer, welcher die kardierten Fasern vom Tambour abnimmt und einer zwischen min­destens zwei sich drehenden Walzen gebildeten Klemm­stelle zuführt, wobei der aus der Klemmstelle aus­tretende Faserflor auf den oberen Trum eines Quer­bandes abgelegt wird, der in Achsrichtung der Walzen zwischen den axialen Enden der Walzen benachbart angeordneten Umlenkrollen läuft und den Faserflor zu dem einen axialen Ende der Walzen führt, dadurch gekennzeichnet, daß das Querband (31) mindestens an seiner dem Tambour (11) zugewandten Längsseite eine Schulter (32) aufweist, die an ihrer äußeren, den Faserflor führenden Oberfläche angeordnet ist.1. Card for the production of a sliver with a spool and a customer, which removes the carded fibers from the spool and feeds them to a nip formed between at least two rotating rollers, the fiber web emerging from the nip being deposited on the upper run of a transverse band, the in the axial direction of the rolls between the axial ends of the rolls, which are arranged adjacent to one another, and the fiber web leads to the one axial end of the rolls, characterized in that the transverse belt (31) has a shoulder (32) at least on its longitudinal side facing the drum (11) has, which is arranged on its outer surface, the fiber web leading. 2. Karde nach Anspruch 1, dadurch gekennzeichnet, daß das Querband (31) an seiner dem Tambour (11) abge­wandten Längsseite eine zweite Schulter (35) auf­weist, die ebenfalls auf seiner äußeren, den Faser­flor transportierenden Oberfläche angeordnet ist.2. Card according to claim 1, characterized in that the transverse belt (31) on its longitudinal side facing away from the drum (11) has a second shoulder (35) which is also arranged on its outer surface transporting the fibrous web. 3. Karde nach Anspruch 1 oder Anspruch 2, dadurch ge­kennzeichnet, daß mindestens die erstgenannte Schul­ter (32) einen trapezartigen Querschnitt aufweist.3. Card according to claim 1 or claim 2, characterized in that at least the first-mentioned shoulder (32) has a trapezoidal cross section. 4. Karde nach einem der vorhergehenden Ansprüche, da­durch gekennzeichnet, daß die erste Schulter (32) eine Höhe senkrecht zu der den Faserflor transpor­tierenden Oberfläche des Querbandes (31) im Bereich von 5 bis 20, vorzugsweise von 8 bis 12 und insbe­sondere von 10 mm aufweist.4. Card according to one of the preceding claims, characterized in that the first shoulder (32) has a height perpendicular to the surface of the cross belt (31) which transports the fiber pile in the range from 5 to 20, preferably from 8 to 12 and in particular from 10 mm having. 5. Karde nach einem der vorhergehenden Ansprüche, da­durch gekennzeichnet, daß die dem Tambour (11) abge­wandte Fläche der ersten Schulter (32) und ggf. die dem Tambour (11) zugewandte Fläche der zweiten Schul­ter (35) einen Winkel mit der Oberfläche des Quer­bandes im Bereich von 80 bis 150, insbesondere 90 bis 140° und vorzugsweise etwa 130° bildet.5. Card according to one of the preceding claims, characterized in that the surface of the first shoulder (32) facing away from the drum (11) and optionally the surface of the second shoulder (35) facing the drum (11) form an angle with the surface of the Cross band in the range of 80 to 150, especially 90 to 140 ° and preferably about 130 °. 6. Karde nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens die erste Schulter (32) ein Querschnittsverhältnis Höhe zur Breite von 1:4 bis 1:2 und vorzugsweise etwa 1:1,5 aufweist, wobei die Breite und Höhe der äußeren Oberfläche des Querbandes (31) gemessen wird.6. Card according to one of the preceding claims, characterized in that at least the first shoulder (32) has a cross-sectional height to width ratio of 1: 4 to 1: 2 and preferably about 1: 1.5, the width and height of the outer Surface of the cross belt (31) is measured.
EP89114231A 1988-08-16 1989-08-02 Carding machine with a cross-strip at the exit Withdrawn EP0355503A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3827822A DE3827822A1 (en) 1988-08-16 1988-08-16 CARD WITH A CROSSBAND AT YOUR EXIT
DE3827822 1988-08-16

Publications (2)

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EP0355503A2 true EP0355503A2 (en) 1990-02-28
EP0355503A3 EP0355503A3 (en) 1990-08-08

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ID=6360973

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EP89114231A Withdrawn EP0355503A3 (en) 1988-08-16 1989-08-02 Carding machine with a cross-strip at the exit

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US (1) US4998325A (en)
EP (1) EP0355503A3 (en)
JP (1) JPH0280622A (en)
DE (1) DE3827822A1 (en)

Cited By (3)

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EP3543384A1 (en) * 2018-03-21 2019-09-25 Maschinenfabrik Rieter AG Cross belt for a sliver forming unit of a card
CH714818A1 (en) * 2018-03-21 2019-09-30 Rieter Ag Maschf Tape forming unit for a card.
US11686389B2 (en) 2017-05-19 2023-06-27 Trelleborg Sealing Solutions Germany Gmbh Rotary seal arrangement and rotary seal with recirculation function

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Publication number Priority date Publication date Assignee Title
AU5930998A (en) * 1997-02-04 1998-08-25 Morrison Company, Inc. Belt with training ribs to facilitate the selfadaptation to the conveyor system

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DE2109955A1 (en) * 1970-03-04 1971-10-21 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Carded fleece delivering device
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
US11686389B2 (en) 2017-05-19 2023-06-27 Trelleborg Sealing Solutions Germany Gmbh Rotary seal arrangement and rotary seal with recirculation function
EP3543384A1 (en) * 2018-03-21 2019-09-25 Maschinenfabrik Rieter AG Cross belt for a sliver forming unit of a card
CH714816A1 (en) * 2018-03-21 2019-09-30 Rieter Ag Maschf Transverse band for a band forming unit of a card.
CH714818A1 (en) * 2018-03-21 2019-09-30 Rieter Ag Maschf Tape forming unit for a card.
CN110295420A (en) * 2018-03-21 2019-10-01 里特机械公司 The sliver of carding machine forms unit
CN110295420B (en) * 2018-03-21 2022-09-13 里特机械公司 Cotton sliver forming unit of carding machine

Also Published As

Publication number Publication date
US4998325A (en) 1991-03-12
EP0355503A3 (en) 1990-08-08
DE3827822A1 (en) 1990-02-22
JPH0280622A (en) 1990-03-20

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