EP2507422B1 - Revolving flat card - Google Patents
Revolving flat card Download PDFInfo
- Publication number
- EP2507422B1 EP2507422B1 EP10787674.0A EP10787674A EP2507422B1 EP 2507422 B1 EP2507422 B1 EP 2507422B1 EP 10787674 A EP10787674 A EP 10787674A EP 2507422 B1 EP2507422 B1 EP 2507422B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flat
- clothing
- spacer
- revolving
- clothing strip
- 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.)
- Not-in-force
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Classifications
-
- 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
- D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
- D01G15/24—Flats or like members
-
- 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
- D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
- D01G15/92—Attaching card clothing to carding elements
Definitions
- the present invention relates to a revolving lid for a card.
- the lid area together with the drum forms the main carding zone and has as function the dissolution of the flakes into single fibers, removal of impurities and dust, elimination of very short fibers, the dissolution of nits and the parallelization of the fibers.
- hard covers, revolving lids or a mixture of fixed and revolving lids are used.
- a revolving lids or a mixture of hard covers and revolving lids one speaks of a revolving flat card. Between the sets of covers and the clothing of the drum forms a narrow gap called the carding nip.
- revolving lids by the revolving lids, guided by arcuate strips - so-called flexible arch, Regulierbogen, Flexbogen or Gleitbogen - are guided along a predetermined distance by these strips in the circumferential direction of the drum.
- the size of the carding nip lies with a revolving flat card between 0.10 to 0.30 mm for cotton or up to 0.40 mm for man-made fibers.
- a revolving lid consists of a flat bar and a clothing strip.
- the flat bar has a back part and a foot part with a foot surface.
- a clothing strip is attached in the longitudinal direction.
- Formed as a flexible clothing such a clothing strip consists of a fabric foundation and a plurality of wire hooks held therein.
- Such a flexible set reveals the EP 1 020 548 ,
- the wire hooks are stung as a U-shaped DoppelHokchen from a back through the fabric foundation through and form on the front of the actual set (clothing tips).
- the clothing strip is fastened with its rear side to the foot surface of the flat rod.
- the attachment takes place by means of clips (clips) on the long sides of the flat bar.
- the brackets comprise with their one end the longitudinal edge regions of the clothing strip and engage with their other end in recesses of the flat rod.
- the wire tokens are only in attached to a central area of the clothing strip.
- the brackets (clips) consist of a metal strip whose one longitudinal side is inserted into the tissue infusion and whose other longitudinal side is pressed into the recess of the flat rod.
- the tissue foundation is fixed in a form-fitting manner during assembly under considerable tension on the foot surface of the flat rod.
- the clips perform tensile forces in such a way that the tissue foundation is deformed away from the foot surface crowned, so that the clothing tips are arranged in an undesirable manner to the outside on a convex-shaped envelope.
- the formation of the convex shape is assisted by the central arrangement of the wire hooks.
- the middle portion of Doppelophenylchokchen remains on the back of the fabric foundation and causes the clothing strip has an increased strength in its central region.
- Such a manufactured cover has an accuracy of 0.05 mm in height and flatness with respect to the clothing surface, which has an effect on the formation of the carding nip and thus on the performance of a card.
- the clothing surface is formed by the sum of the clothing tips. Even by regrinding the clothing tips this unevenness can not be compensated for satisfaction due to the flexibility of the clothing strips.
- the proposed embodiments have the disadvantage that the clothing strip is not attached directly to the bottom surface of the flat bar and by the introduction of a another element between the foot and the clothing strip suffers the flexibility of the clothing. There is also the risk that at high stress of the clothing in the carding process the clothing strip can come off the carrier. In addition, an additional assembly step is necessary for the production, in which the clothing strip on the support or steel strip must be attached.
- the invention of the present application has for its object to provide a revolving lid, which avoids the disadvantages mentioned and in an application of conventional attachment by means of clips fastening the clothing strips on the flat bar allows, which does not lead to an uncontrolled, away from the bottom surface of the flat bar , convex deformation of the clothing strip leads.
- the object is solved by the features in the characterizing part of the independent claims.
- a revolving lid with a flat bar and a clothing strip fastened to the flat bar with a central area and an edge area.
- the trim strip is to be provided as a flexible garment formed of a tissue foundation and U-shaped double hooks held in the tissue foundation.
- the U-shaped double hooks are attached to the rear side height facing the flat bar and the hook-free edge area is provided for fastening the clothing strip on the flat bar with a clip.
- a spacer is at least partially provided in the edge region of the GamiturstMakes.
- the thickness (thickness) of the clothing strip at the location where the double hooks are pierced is increased by the central portions of the double hooks protruding on the back of the clothing.
- the DoppelHokchen be mounted only in a central region of the clothing strip. An edge region of the clothing strip remains free of hooks and serves to fasten the clothing strip to the flat rod.
- the clothing strips are fastened on both sides with clips (clips) on the long side of the flat rod.
- clips clips
- tensile forces are exerted on the tissue foundation of the clothing strip.
- the clothing strip is pressed in its longitudinal edge area by the clips on the foot surface of the flat bar.
- the center strip of the clothing strip protruding from the outermost rear side of the fabric foundation projects towards the base surface of the flat rod.
- spacers are compensated between the clothing strip and the flat rod. Between the clothing strip and the flat rod, a spacer is at least partially provided in the edge region of the clothing strip.
- the entire edge region is covered by the spacer.
- the spacer can be formed in one piece or in several parts.
- a one-piece design has the advantage of easier installation, since slippage of the spacer during attachment of the clothing strip on the flat bar can be prevented by a precisely fitting shape.
- a loose positioning of the spacer or the various parts of a spacer between the flat bar and clothing strips is provided.
- the spacer is by attaching the clothing strip on the flat bar held in his position. Due to the elasticity of the tissue foundation in combination with the contact forces of the clips, the spacer is held immovably between the tissue foundation and the foot surface of the flat rod.
- the spacer is attached to the foot surface of the flat bar or to the back of the tissue foundation.
- the spacer itself is the production technology available options and the formation of flat bar and clothing strips accordingly provide
- a first embodiment of the spacer is formed as a separate component, for example, as a wire with a rectangular or round cross-section. It is also conceivable to form the spacer from sheet metal strips, wherein the sheet metal strips can also be formed into a frame corresponding to the dimensions of the edge zone of the clothing strip.
- this is integrally formed on the flat bar.
- the foot surface of the flat bar is designed accordingly, so that the foot surface have at least in partial areas of the edge zone of the clothing strip increases relative to the central region of the clothing strip.
- this is integrally formed on the fabric foundation or incorporated into the clothing strip.
- An Anformung can be achieved by an insert or overlay of a preformed component in the production of the tissue foundation.
- An incorporation of the spacer can be done for example by a piercing Doppelnoskchen in the edge region of the clothing strip, these Doppelnoskchen not pierced the front of the clothing strip.
- this may be formed from a wire.
- the wire is used according to the embodiment as an independent component or connected to the flat bar or the tissue foundation.
- the created by the spacer distance between the flat rod and the clothing strip corresponds to the rear height of DoppelHokchen.
- a match of the rear height of the double check mark with the distance created by the spacer after assembly of the clothing strips on the flat bar is sought.
- the rear height of the double hooks denotes the height of the projecting beyond the tissue foundation central portions of DoppelHokchen.
- the back height of the double check mark does not necessarily have to correspond to the wire size used for the production of the double check mark. Due to the elastic properties of the tissue foundation and the applied manufacturing technique, the back height of the double hooks may differ from the wire thickness of the double hooks.
- the choice of the height of the spacer can also be used to a created by the spacer distance between the flat bar and the clothing strip is selected such that a concave contour of the clothing strip is malleable by attaching the clothing strip on the flat bar over a width of the flat bar ,
- the spacer can be made asymmetrical.
- the spacer is executed on the first longitudinal side of the flat bar with a lower height than on the second longitudinal side of the flat bar.
- the equipment of a revolving flat carder of the type described with a drum which is provided with a drum set, and with a revolving flat aggregate, the a plurality of interconnected, provided with a drum set facing the cover set revolving lids, with revolving lids in one of the described inventive embodiment has the advantage that a more accurate adjustment of the carding nip is possible.
- FIG. 1 a known revolving flat card 1 is shown, wherein flakes are fed from a hopper 2 a fiber feeding device 3 and a subsequent drum 4.
- the revolving flat card 1 comprises a single drum 4 (master cylinder or so-called drum), which is rotatably supported in a frame 5.
- the drum 4 works in a known manner with a traveling lid assembly 6, a fiber feeding device 3, and a fiber pickup 8 together, the latter in particular has a so-called takers 9.
- Carding elements and fiber guiding elements which are not shown here in detail, can be arranged between the revolving lid arrangement 6, the fiber feeding device 3 and the fiber dispensing system 8.
- the fiber-receiving system 8 conveys the sliver 10 to a schematically indicated sliver storage 11.
- a plurality of revolving lids 13 is provided, wherein in the FIG. 1 only individual moving lid 13 are shown schematically.
- used traveling lid assemblies 6 include closely spaced several Wanderdeckei 13, which revolve.
- the moving lid 13 are supported in the vicinity of their respective end faces of endless belts 12 and moved against or with the direction of rotation of the drum 4 and guided on flexible sheet 7 on the bottom of the traveling lid assembly 6 on the drum 4 along.
- FIG. 2 shows a schematic representation of a traveling lid 13 according to the prior art.
- the Wanderdeckei 13 is shown as a flat bar 20 in the form of a hollow profile with a back part 21 and a foot part 22.
- the formation of the flat bar 20 as a hollow profile is exemplary, from the prior art, other embodiments of flat bars 20 are known, for example as a solid profile.
- a clothing strip 24 is applied at the foot surface 23 of the foot part 22 .
- the clothing strip 24 comprises a tissue foundation 25 into which double hooks 26 are inserted.
- the DoppelHokchen 26 are U-shaped and are stung with the two legs through the tissue foundation through. In this case, a central portion of Doppelophen 26 remains on the foot surface 23 facing side of the tissue foundation 25.
- the legs of Doppelnoskchen 26 form the clothing tips on the foot surface 23 of the flat bar 20 side facing away from the tissue foundation.
- the illustrated arrangement of Doppelnoskchen 26 in the tissue foundation 25 is schematic.
- the arrangement of Doppelnoskchen 26 as well as the number of Doppelnoskchen 26 which are arranged in a tissue foundation depends on the application of the revolving lid 13.
- the clothing strip 24 is attached to the foot part 22 of the flat bar 20 with clips 30, so-called clips.
- the clips 30 are arranged along the two longitudinal sides of the flat bar 20 (in FIG. 2 shown only on one side).
- the clips 30 comprise a projection on the foot part 22 of the flat bar 20 with a first section and the tissue foundation 25 of the clothing strip 24 with a second section.
- the Doppelhotchen 26 are mounted only in a central region B of the clothing strip 24.
- the margins C of the Clothing strip 24 are not equipped with Doppelnoskchen 26 at least over the entire longitudinal side of the flat bar 20 and the clothing strip 24. For manufacturing reasons, such a hook-free edge zone can also be provided on the narrow sides of the clothing strip 24.
- FIG. 3 schematically shows an enlarged view FIG. 2
- the clothing strip 24 comprises the tissue foundation 25 and the double hooks 26.
- the double hooks 26 are U-shaped and are guided with the two legs through the tissue foundation 25.
- the clothing tips 28 are formed by the limbs of the double hooks 26 protruding from the fabric foundation 25.
- the sum of the clothing tips 28 forms the clothing surface.
- the foot surface 23 facing side of the clothing strip 24 remain the middle portions 27 of the DoppelHokchen. These middle portions 27 are not completely incorporated into the fabric foundation 25 during the manufacturing process of the clothing strip 24. Due to the elasticity of the tissue foundation, a partial sinking of the sections 27 can be achieved.
- FIG. 4 shows a schematic representation of a first embodiment of the invention in cross section.
- the flat bar 20 consists of the back part 21 and the foot part 22.
- a spacer 40 is inserted in the edge zones around the rear height H (see FIG. 3 ) of Doppelnoskchen 26 compensate. This results after the attachment of the clothing strip with the clips (not shown) on the foot part 22 a flat clothing surface.
- a concave shape of the clothing surface can be achieved.
- FIG. 5 shows a schematic representation of a second embodiment of the invention in cross section.
- the flat bar 20 consists of the back part 21 and the foot part 22.
- a spacer 41 is formed in the edge zones. This results in a depression in the foot part 22 between the spacers 41. In this depression, the middle sections of the double hooks 26 protruding beyond the tissue infusion 25 can be accommodated.
- the Anformung it spacer 41 is adjusted in height so that there is a flat clothing surface after the attachment of the clothing strip on the foot part 22. If the spacers 41 integrally formed on both longitudinal sides of the flat bar 20 are designed differently in terms of their height, it is possible to correspondingly influence the shape of the clothing surface.
- FIG. 6 shows a schematic representation of a third embodiment of the invention in cross section.
- the flat bar 20 consists of the back part 21 and the foot part 22.
- a spacer 42 is formed in the edge zones.
- the tissue foundation 25 is made in the areas where no Doppelphokchen 26 are present with a greater strength to compensate for a missing rear height of DoppelHokchen 26.
- the greater strength of the tissue foundation 25 can also be achieved by an insert within the tissue foundation 25.
- FIG. 7 shows a schematic representation of the first embodiment of the invention in section AA of FIG. 4 ,
- tissue foundation 25 a plurality of Doppelnoskchen is attached.
- the respective central portions 27 of the individual Doppelnoskchen are shown.
- the Doppelnoskchen are mounted in a central region B of the tissue foundation 25.
- the edge zones C are free from over the tissue foundation 25 protruding middle sections 27.
- the spacer 40 forms a frame surrounding the tissue foundation 25.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
Die vorliegende Erfindung betrifft einen Wanderdeckel für eine Karde.The present invention relates to a revolving lid for a card.
In einer Karde bildet der Deckelbereich zusammen mit der Trommel die Hauptkardierzone und hat als Funktion die Auflösung der Flocken zu Einzelfasern, Ausscheidung von Verunreinigungen und Staub, Eliminierung von sehr kurzen Fasern, die Auflösung von Nissen und die Parallelisierung der Fasern. Je nach Anwendung einer Karde werden dabei Festdeckel, Wanderdeckel oder eine Mischung aus Fest- und Wanderdeckel eingesetzt. Bei einem Einsatz von Wanderdeckeln oder einer Mischung von Festdeckeln und Wanderdeckeln spricht man von einer Wanderdeckelkarde. Zwischen den Garnituren der Deckel und der Garnitur der Trommel formt sich ein enger Spalt, der Kardierspalt genannt wird. Er ergibt sich beim Einsatz von Wanderdeckeln indem die Wanderdeckel, geführt durch bogenförmige Leisten - sogenannte Flexibelbogen, Regulierbogen, Flexbogen oder Gleitbogen -, in einem durch diese Leisten bestimmten Abstand, in Umfangsrichtung der Trommel entlang geführt werden. Die Grösse des Kardierspaltes liegt bei einer Wanderdeckelkarde zwischen 0.10 bis 0.30 mm für Baumwolle oder bis 0.40 mm für Chemiefasern.In a carding machine, the lid area together with the drum forms the main carding zone and has as function the dissolution of the flakes into single fibers, removal of impurities and dust, elimination of very short fibers, the dissolution of nits and the parallelization of the fibers. Depending on the application of a card, hard covers, revolving lids or a mixture of fixed and revolving lids are used. When using a revolving lids or a mixture of hard covers and revolving lids, one speaks of a revolving flat card. Between the sets of covers and the clothing of the drum forms a narrow gap called the carding nip. It results in the use of revolving lids by the revolving lids, guided by arcuate strips - so-called flexible arch, Regulierbogen, Flexbogen or Gleitbogen - are guided along a predetermined distance by these strips in the circumferential direction of the drum. The size of the carding nip lies with a revolving flat card between 0.10 to 0.30 mm for cotton or up to 0.40 mm for man-made fibers.
Bei einer bekannten Vorrichtung besteht ein Wanderdeckel aus einem Deckelstab und einem Garniturstreifen. Der Deckelstab weist dabei ein Rückenteil und ein Fussteil mit einer Fussfläche auf. An der Fussfläche ist in deren Längsrichtung sich erstreckend ein Garniturstreifen befestigt. Als flexible Garnitur ausgebildet besteht ein derartiger Garniturstreifen aus einer Gewebe-Fundation und einer darin gehaltenen Vielzahl von Drahthäkchen. Eine derartige flexible Garnitur offenbart die
Ein derart hergestellter Wanderdeckel hat eine Genauigkeit von 0,05 mm in Höhe und Ebenheit in Bezug auf die Garniturfläche, was sich auf die Ausbildung des Kardierspaltes und damit auf die Leistung einer Karde auswirkt. Die Garniturfläche wird durch die Summe der Garniturspitzen gebildet. Auch durch ein Nachschleifen der Garniturspitzen kann diese Unebenheit aufgrund der Flexibilität der Garniturstreifen nicht zur Zufriedenheit ausgeglichen werden.In a known device, a revolving lid consists of a flat bar and a clothing strip. The flat bar has a back part and a foot part with a foot surface. On the foot surface extending a clothing strip is attached in the longitudinal direction. Formed as a flexible clothing, such a clothing strip consists of a fabric foundation and a plurality of wire hooks held therein. Such a flexible set reveals the
Such a manufactured cover has an accuracy of 0.05 mm in height and flatness with respect to the clothing surface, which has an effect on the formation of the carding nip and thus on the performance of a card. The clothing surface is formed by the sum of the clothing tips. Even by regrinding the clothing tips this unevenness can not be compensated for satisfaction due to the flexibility of the clothing strips.
In der
In der
Die vorgeschlagenen Ausführungen haben den Nachteil, dass der Garniturstreifen nicht direkt an der Fussfläche des Deckelstabes befestigt ist und durch das Einbringen eines weiteren Elementes zwischen der Fussfläche und dem Garniturstreifen die Flexibilität der Garnitur leidet. Ebenfalls besteht die Gefahr, dass bei hoher Beanspruchung der Garnitur im Kardierprozess der Garniturstreifen sich vom Träger lösen kann. Zudem ist für die Fertigung ein zusätzlicher Montageschritt notwendig, bei dem der Garniturstreifen am Träger respektive Stahlband befestigt werden muss.The proposed embodiments have the disadvantage that the clothing strip is not attached directly to the bottom surface of the flat bar and by the introduction of a another element between the foot and the clothing strip suffers the flexibility of the clothing. There is also the risk that at high stress of the clothing in the carding process the clothing strip can come off the carrier. In addition, an additional assembly step is necessary for the production, in which the clothing strip on the support or steel strip must be attached.
Der Erfindung der vorliegenden Anmeldung liegt die Aufgabe zugrunde, einen Wanderdeckel zu schaffen, welcher die genannten Nachteile vermeidet und bei einer Anwendung der herkömmlichen Befestigung mittels Clips eine Befestigung der Garniturstreifen am Deckelstab ermöglicht, welche nicht zu einer unkontrollierten, von der Fussfläche des Deckelstabes weg weisenden, konvexen Verformung des Garniturstreifens führt.The invention of the present application has for its object to provide a revolving lid, which avoids the disadvantages mentioned and in an application of conventional attachment by means of clips fastening the clothing strips on the flat bar allows, which does not lead to an uncontrolled, away from the bottom surface of the flat bar , convex deformation of the clothing strip leads.
Die Aufgabe wird gelöst durch die Merkmale im kennzeichnenden Teil der unabhängigen Ansprüche. Zur Lösung der Aufgabe wird vorgeschlagen einen Wanderdeckel mit einem Deckelstab und einem am Deckelstab befestigten Garniturstreifen mit einem zentralen Bereich und einem Randbereich vorzusehen. Der Garniturstreifen ist als eine flexible Garnitur vorzusehen, welche aus einer Gewebe-Fundation und in der Gewebe-Fundation gehaltenen U-förmigen Doppelhäkchen gebildet ist. Im zentralen Bereich des Garniturstreifens sind die U-förmigen Doppelhäkchen mit einer dem Deckelstab zugewandten rückseitigen Höhe angebracht und der häkchenfreie Randbereich ist zur Befestigung des Garniturstreifens am Deckelstab mit einem Clip vorgesehen. Zwischen dem Garniturstreifen und dem Deckelstab ist im Randbereich des Gamiturstreifens zumindest teilweise ein Abstandshalter vorgesehen ist.The object is solved by the features in the characterizing part of the independent claims. To solve the problem it is proposed to provide a revolving lid with a flat bar and a clothing strip fastened to the flat bar with a central area and an edge area. The trim strip is to be provided as a flexible garment formed of a tissue foundation and U-shaped double hooks held in the tissue foundation. In the central region of the clothing strip, the U-shaped double hooks are attached to the rear side height facing the flat bar and the hook-free edge area is provided for fastening the clothing strip on the flat bar with a clip. Between the clothing strip and the flat bar, a spacer is at least partially provided in the edge region of the Gamiturstreifens.
Bei der Fertigung der Garniturstreifen wird in einer ersten Stufe ein Endlosdraht zugeschnitten und zu U-förmigen Doppelhäkchen vorgeformt. Die Doppelhäkchen werden von der Unterseite der Gewebe-Fundation her durch die Gewebe-Fundation durchgestochen. Die auf der Vorderseite der Gewebe-Fundation hervor stehenden Schenkel der Doppelhäkchen bilden die eigentliche Garnitur (Garniturspitzen). Die Summe der Garniturspitzen bildet die Garniturfläche eines Wanderdeckels. Auf der Rückseite der Gewebe-Fundation verbleibt der mittlere Abschnitt der U-förmigen Doppelhäkchen. Dieser wird durch das Einstechen und die dabei aufgewendete Kraft teilweise in das elastische Gewebe der Gewebe-Fundation hineingedrückt. Abhängig von der Beschaffenheit der Gewebe-Fundation, der aufgewendeten Kraft und dem Drahtdurchmesser wird der mittlere Abschnitt der Doppelhäkchen mehr oder weniger in die Gewebe-Fundation versenkt. Dadurch wird die Stärke (Dicke) des Garniturstreifens an der Stelle, wo die Doppelhäkchen eingestochen werden durch die auf der Rückseite der Garnitur hervorstehenden mittleren Abschnitte der Doppelhäkchen erhöht. Aus fertigungstechnischen und befestigungstechnischen Gründen werden die Doppelhäkchen nur in einem zentralen Bereich des Garniturstreifens angebracht. Ein Randbereich des Garniturstreifens bleibt häkchenfrei und dient zur Befestigung des Garniturstreifens am Deckelstab.In the manufacture of the clothing strips an endless wire is cut in a first stage and preformed into U-shaped Doppelhäkchen. The double hooks are pierced through the tissue foundation from the underside of the tissue foundation. The legs of the double hooks projecting from the front of the fabric foundation form the actual clothing (clothing tips). The sum of the clothing tips forms the clothing surface of a moving lid. On the back of the tissue foundation remains the middle section of the U-shaped double hooks. This is partially by the piercing and the force used in the elastic Tissue of tissue foundation pressed in. Depending on the nature of the tissue foundation, the force applied and the wire diameter, the central portion of the double hooks is more or less buried in the tissue foundation. As a result, the thickness (thickness) of the clothing strip at the location where the double hooks are pierced is increased by the central portions of the double hooks protruding on the back of the clothing. For manufacturing and fastening reasons, the Doppelhäkchen be mounted only in a central region of the clothing strip. An edge region of the clothing strip remains free of hooks and serves to fasten the clothing strip to the flat rod.
Die Garniturstreifen werden beidseitig mit Klammern (Clips) an der Längsseite des Deckelstabes befestigt. Durch diese an sich bekannte Befestigungsart werden Zugkräfte auf die Gewebe-Fundation des Garniturstreifens ausgeübt. Gleichzeitig wird der Garniturstreifen in seinem längsseitigen Randbereich durch die Clips auf die Fussfläche des Deckelstabes gepresst. Dies führt dazu, dass aufgrund einer Hebelwirkung durch die äussersten rückseitig aus der Gewebe-Fundation hervorstehenden mittleren Abschnitte der Doppelhäkchen der Garniturstreifen gegenüber der Fussfläche des Deckelstabes aufgewölbt wird. Um dieser Hebelwirkung vorzubeugen wird der Dickenunterschied des Garniturstreifens zwischen dem Randbereich und dem zentralen Bereich des Garniturstreifens durch Abstandshalter ausgeglichen. Zwischen dem Garniturstreifen und dem Deckelstab ist im Randbereich des Garniturstreifens zumindest teilweise ein Abstandshalter vorgesehen.The clothing strips are fastened on both sides with clips (clips) on the long side of the flat rod. By this known type of fastening tensile forces are exerted on the tissue foundation of the clothing strip. At the same time the clothing strip is pressed in its longitudinal edge area by the clips on the foot surface of the flat bar. As a result of this, due to a leverage effect, the center strip of the clothing strip protruding from the outermost rear side of the fabric foundation projects towards the base surface of the flat rod. In order to prevent this leverage, the difference in thickness of the clothing strip between the edge region and the central region of the clothing strip is compensated by spacers. Between the clothing strip and the flat rod, a spacer is at least partially provided in the edge region of the clothing strip.
Vorteilhafterweise ist der gesamte Randbereich durch den Abstandshalter abgedeckt. Dabei kann der Abstandshalter einstückig oder mehrteilig ausgebildet werden. Eine einstückige Ausführung hat den Vorteil einer einfacheren Montage, da ein Verrutschen des Abstandshalters während der Befestigung des Garniturstreifens am Deckelstab durch eine passgenaue Form verhinderbar ist.Advantageously, the entire edge region is covered by the spacer. In this case, the spacer can be formed in one piece or in several parts. A one-piece design has the advantage of easier installation, since slippage of the spacer during attachment of the clothing strip on the flat bar can be prevented by a precisely fitting shape.
In einer ersten Ausführung ist eine lose Positionierung des Abstandshalters oder der verschiedenen Teile eines Abstandshalters zwischen Deckelstab und Garniturstreifen vorgesehen. Der Abstandshalter ist durch die Befestigung des Garniturstreifens am Deckelstab in seiner Position gehalten. Durch die Elastizität der Gewebe-Fundation in Kombination mit den Anpresskräften der Clips wird der Abstandshalter unverrückbar zwischen der Gewebe-Fundation und der Fussfläche des Deckelstabes gehalten.In a first embodiment, a loose positioning of the spacer or the various parts of a spacer between the flat bar and clothing strips is provided. The spacer is by attaching the clothing strip on the flat bar held in his position. Due to the elasticity of the tissue foundation in combination with the contact forces of the clips, the spacer is held immovably between the tissue foundation and the foot surface of the flat rod.
In einer weiteren Ausführungsform ist der Abstandshalter an der Fussfläche des Deckelstabes oder an der Rückseite der Gewebe-Fundation befestigt. Dadurch wird eine einfachere Montage erreicht, da der Abstandshalter bereits vor dem Zusammenfügen von Garniturstreifen und Deckelstab in seiner Position fixiert ist.In a further embodiment, the spacer is attached to the foot surface of the flat bar or to the back of the tissue foundation. As a result, a simpler installation is achieved because the spacer is already fixed in position prior to the assembly of clothing strips and flat bar.
Die Ausführung des Abstandshalters selbst ist den fertigungstechnisch vorhandenen Möglichkeiten sowie der Ausbildung von Deckelstab und Garniturstreifen entsprechend vorzusehen In einer ersten Ausbildung ist der Abstandshalter als eigenständiges Bauteil beispielsweise als Draht mit einem rechteckigen oder runden Querschnitt ausgebildet. Es ist auch denkbar den Abstandshalter aus Blechstreifen zu bilden, wobei die Blechstreifen auch zu einem Rahmen entsprechend den Abmessungen der Randzone des Garniturstreifens ausgeformt sein können.The execution of the spacer itself is the production technology available options and the formation of flat bar and clothing strips accordingly provide In a first embodiment of the spacer is formed as a separate component, for example, as a wire with a rectangular or round cross-section. It is also conceivable to form the spacer from sheet metal strips, wherein the sheet metal strips can also be formed into a frame corresponding to the dimensions of the edge zone of the clothing strip.
In einer weiteren Ausführung des Abstandshalters ist dieser am Deckelstab angeformt. Dadurch ist die Fussfläche des Deckelstabes entsprechend ausgebildet, sodass die Fussfläche zumindest in Teilbereichen der Randzone des Garniturstreifens Erhöhungen gegenüber dem zentralen Bereich des Garniturstreifens aufweisen.In a further embodiment of the spacer this is integrally formed on the flat bar. As a result, the foot surface of the flat bar is designed accordingly, so that the foot surface have at least in partial areas of the edge zone of the clothing strip increases relative to the central region of the clothing strip.
In einer weiteren Ausführung des Abstandshalters ist dieser an der Gewebe-Fundation angeformt oder in den Garniturstreifen eingearbeitet. Eine Anformung kann durch eine Einlage oder Auflage eines vorgeformten Bauteiles bei der Herstellung der Gewebe-Fundation erreicht werden. Eine Einarbeitung des Abstandshalters kann beispielsweise durch ein Einstechen von Doppelhäkchen im Randbereich des Garniturstreifens erfolgen, wobei diese Doppelhäkchen die Vorderseite des Garniturstreifens nicht durchstossen.In a further embodiment of the spacer, this is integrally formed on the fabric foundation or incorporated into the clothing strip. An Anformung can be achieved by an insert or overlay of a preformed component in the production of the tissue foundation. An incorporation of the spacer can be done for example by a piercing Doppelhäkchen in the edge region of the clothing strip, these Doppelhäkchen not pierced the front of the clothing strip.
Bei allen Ausführungsformen des Abstandshalters kann dieser aus einem Draht geformt sein. Der Draht wird entsprechend der Ausführungsform als eigenständiges Bauteil eingesetzt oder mit dem Deckelstab respektive der Gewebe-Fundation verbunden werden.In all embodiments of the spacer, this may be formed from a wire. The wire is used according to the embodiment as an independent component or connected to the flat bar or the tissue foundation.
Der durch den Abstandshalter geschaffene Abstand zwischen dem Deckelstab und dem Garniturstreifen entspricht der rückseitigen Höhe der Doppelhäkchen. In dieser Ausführung wird eine Übereinstimmung der rückseitigen Höhe der Doppelhäkchen mit dem durch den Abstandshalter geschaffenen Abstand nach der Montage der Garniturstreifen am Deckelstab angestrebt. Die rückseitige Höhe der Doppelhäkchen bezeichnet dabei die Höhe der über die Gewebe-Fundation hinausragenden mittleren Abschnitte der Doppelhäkchen. Die rückseitige Höhe der Doppelhäkchen muss dabei nicht zwingend der für die Herstellung der Doppelhäkchen verwendeten Drahtstärke entsprechen. Bedingt durch die elastischen Eigenschaften der Gewebe-Fundation und der angewandten Fertigungstechnik kann sich die rückseitige Höhe der Doppelhäkchen von der Drahtstärke der Doppelhäkchen unterscheiden.The created by the spacer distance between the flat rod and the clothing strip corresponds to the rear height of Doppelhäkchen. In this embodiment, a match of the rear height of the double check mark with the distance created by the spacer after assembly of the clothing strips on the flat bar is sought. The rear height of the double hooks denotes the height of the projecting beyond the tissue foundation central portions of Doppelhäkchen. The back height of the double check mark does not necessarily have to correspond to the wire size used for the production of the double check mark. Due to the elastic properties of the tissue foundation and the applied manufacturing technique, the back height of the double hooks may differ from the wire thickness of the double hooks.
Die Wahl der Höhe des Abstandshalters kann jedoch auch dazu genutzt werden, dass ein durch den Abstandshalter geschaffener Abstand zwischen dem Deckelstab und dem Garniturstreifen derart gewählt ist, dass durch die Befestigung des Garniturstreifens am Deckelstab über eine Breite des Deckelstabes eine konkave Kontur des Garniturstreifens formbar ist.However, the choice of the height of the spacer can also be used to a created by the spacer distance between the flat bar and the clothing strip is selected such that a concave contour of the clothing strip is malleable by attaching the clothing strip on the flat bar over a width of the flat bar ,
In einer Weiterentwicklung der Erfindung kann der Abstandshalter asymmetrisch ausgebildet werden. Dabei wird der Abstandshalter auf der ersten Längsseite des Deckelstabes mit einer geringeren Höhe als auf der zweiten Längsseite des Deckelstabes ausgeführt. Dadurch kann eine asymmetrisch konkave Form des Garniturstreifens und damit der durch die Garniturspitzen gebildeten Ebene erreicht werden. Durch eine derartige Anordnung kann eine Anpassung der durch die Garniturspitzen gebildeten Ebene an eine vorgesehene Schrägstellung der Wanderdeckel erfolgen.In a further development of the invention, the spacer can be made asymmetrical. In this case, the spacer is executed on the first longitudinal side of the flat bar with a lower height than on the second longitudinal side of the flat bar. As a result, an asymmetrical concave shape of the clothing strip and thus the plane formed by the clothing tips can be achieved. By such an arrangement, an adaptation of the plane formed by the clothing tips can be made to an intended inclination of the revolving lid.
Die Ausrüstung einer Wanderdeckelkarde der beschrieben Art mit einer Trommel, die mit einer Trommelgarnitur versehen ist, und mit einem Wanderdeckelaggregat, das aus einer Vielzahl von miteinander verbundenen, mit einer der Trommelgarnitur zugewandten Deckelgarnitur versehenen Wanderdeckeln gebildet ist, mit Wanderdeckeln in einer der beschriebenen erfindungsgemässen Ausführung hat den Vorteil, dass eine genauere Einstellung des Kardierspaltes möglich ist.The equipment of a revolving flat carder of the type described with a drum, which is provided with a drum set, and with a revolving flat aggregate, the a plurality of interconnected, provided with a drum set facing the cover set revolving lids, with revolving lids in one of the described inventive embodiment has the advantage that a more accurate adjustment of the carding nip is possible.
Im Folgenden wird die Erfindung anhand von einer beispielhaften Ausführungsform erklärt und durch Zeichnungen näher erläutert.
Figur 1- Schematische Darstellung einer Seitenansicht einer Wanderdeckelkarde nach dem Stand der Technik
Figur 2- Schematische Darstellung eines Wanderdeckels nach dem Stand der Technik
Figur 3- Vergrösserte
Darstellung aus Figur 2 des Fussteils des Deckelstabes und des Garniturstreifens Figur 4- Schematische Darstellung einer ersten Ausführungsform der Erfindung im Querschnitt
Figur 5- Schematische Darstellung einer zweiten Ausführungsform der Erfindung im Querschnitt
Figur 6- Schematische Darstellung einer dritten Ausführungsform der Erfindung im Querschnitt
Figur 7- Schematische Darstellung einer ersten Ausführungsform der Erfindung im Schnitt
A-A der Figur 4
- FIG. 1
- Schematic representation of a side view of a Wanderdeckelkarde according to the prior art
- FIG. 2
- Schematic representation of a traveling lid according to the prior art
- FIG. 3
- Enlarged view
FIG. 2 the foot part of the flat bar and the clothing strip - FIG. 4
- Schematic representation of a first embodiment of the invention in cross section
- FIG. 5
- Schematic representation of a second embodiment of the invention in cross section
- FIG. 6
- Schematic representation of a third embodiment of the invention in cross section
- FIG. 7
- Schematic representation of a first embodiment of the invention in section AA of
FIG. 4
In der
An der genannten Wanderdeckelano.rdnung 6 ist eine Vielzahl von Wanderdeckeln 13 vorgesehen, wobei in der
- 11
- Wanderdeckelkarderevolving
- 22
- Füllschachthopper
- 33
- FaserspeisevorrichtungFiber feeding device
- 44
- Trommeldrum
- 55
- Gestellframe
- 66
- WanderdeckelanordnungRevolving flat arrangement
- 77
- Flexibelbogenflexible bend
- 88th
- FaserabnehmersystemFiber collector system
- 99
- Abnehmercustomer
- 1010
- Faserbandsliver
- 1111
- FaserbandablageSliver tray
- 1212
- Endlosbandendless belt
- 1313
- Wanderdeckelrevolving flat
- 2020
- Deckelstabflat bar
- 2121
- Rückenteilback
- 2222
- Fussteilfoot part
- 2323
- Fussflächefoot area
- 2424
- Garniturstreifenclothing strips
- 2525
- Gewebe-FundationTissue Foundation
- 2626
- Doppelhäkchendouble check mark
- 2727
- Mittlerer Abschnitt des DoppelhäkchensMid section of the double check mark
- 2828
- Garniturspitzeset top
- 3030
- Clipsclips
- 4040
- Abstandshalterspacer
- 4141
- Abstandshalter als Anformung an DeckelstabSpacer as Anformung on flat bar
- 4242
- Abstandshalter al Anformung an Gewebe-FundationSpacers al Anformung on tissue foundation
- BB
- Zentraler Bereich des GarniturstreifensCentral area of the clothing strip
- CC
- Randzone des GarniturstreifensEdge zone of the clothing strip
- HH
- Rückseitige Höhe des DoppelhäkchensBack height of the double check mark
Claims (11)
- A revolving flat (13) comprising a flat rod (20) and a clothing strip (24) which is fastened to the flat rod (20) and has a central region (B) and an edge region (C), wherein the clothing strip (24) is provided as a flexible clothing which is formed from a fabric foundation (25) and from U-shaped double hooks (26) held in said fabric foundation (25), and the U-shaped double hooks (26) are attached in the central region (B) of the clothing strip (24) with a rear-side height (H) facing toward the flat rod (20), and the edge region (C) is provided with a clip (30) for fastening the clothing strip (24) to the flat rod (20), characterized in that between the clothing strip (24) and the flat rod (20), a spacer (40, 41, 42) is provided at least partially in the edge region (C) of the clothing strip (24).
- The revolving flat (13) according to claim 1, characterized in that the entire edge region (C) is covered by the spacer (40, 41, 42).
- The revolving flat (13) according to claim 1 or claim 2, characterized in that a loose positioning of the spacer (40) is provided between the flat rod (20) and the clothing strip (24), and the spacer (40) is held in its position through the fastening of the clothing strip (24) on the flat rod (20).
- The revolving flat (13) according to claim 1 or claim 2, characterized in that the spacer (40) is fastened on the flat rod (20) or on the fabric foundation (25).
- The revolving flat (13) according to claim 1 or claim 2, characterized in that the spacer (41) is molded on the flat rod (20).
- The revolving flat (13) according to claim 1 or claim 2, characterized In that the spacer (42) is molded on the fabric foundation (25).
- The revolving flat (13) according to claim 1 or claim 2, characterized in that the spacer (40, 41, 42) is incorporated in the clothing strip (24).
- The revolving flat (13) according to claims 1 to 4, characterized in that the spacer (40, 41, 42) is formed from a wire.
- The revolving flat (13) according to claims 1 to 8, characterized In that a spacing created by the spacer between the flat rod (20) and the clothing strip (24) corresponds to the rear-side height (H) of the double hooks (26).
- The revolving flat (13) according to claims 1 to 8, characterized in that a spacing created by the spacer (40, 41, 42) between the flat rod (20) and the clothing strip (24) is selected in such a manner that through the fastening of the clothing strip (24) on the flat strip (20) over a width of the flat rod (20), a concave contour of the clothing strip (24) can be formed.
- A revolving flat card (1) comprising a drum (5) which is provided with a drum clothing, and comprising a revolving flat arrangement (6) formed from a multiplicity of revolving flats (13) which are connected to each other, characterized in that the revolving flats (13) are formed according to any one of the claims 1 to 10.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01846/09A CH702329A1 (en) | 2009-12-01 | 2009-12-01 | Revolving flat. |
PCT/CH2010/000298 WO2011066664A1 (en) | 2009-12-01 | 2010-11-24 | Revolving flat card |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2507422A1 EP2507422A1 (en) | 2012-10-10 |
EP2507422B1 true EP2507422B1 (en) | 2014-01-08 |
Family
ID=43618296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10787674.0A Not-in-force EP2507422B1 (en) | 2009-12-01 | 2010-11-24 | Revolving flat card |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2507422B1 (en) |
CN (1) | CN102639772B (en) |
CH (1) | CH702329A1 (en) |
WO (1) | WO2011066664A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014008403A1 (en) * | 2014-06-13 | 2015-12-17 | TRüTZSCHLER GMBH & CO. KG | Device on a spinning preparation machine, e.g. Carding, carding, cleaning, combing machine o. The like., In which at least one carding element of a garnished roller is arranged opposite |
CN106894117B (en) * | 2017-05-06 | 2021-04-23 | 青岛源泉机械有限公司 | Flat comb capable of automatically feeding |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US410048A (en) * | 1889-08-27 | tweedale | ||
GB447689A (en) * | 1934-11-23 | 1936-05-25 | John Platt | Improvements in or relating to carding flats |
KR830010226A (en) * | 1981-06-13 | 1983-12-26 | 그라함 로버트 로간 브라운 | Carding machine for weaving machine, and method for manufacturing same |
JPS5876524A (en) * | 1981-10-28 | 1983-05-09 | Toyoda Autom Loom Works Ltd | Preparation of top bar for carding machine |
US5755012A (en) * | 1996-03-05 | 1998-05-26 | Hollingsworth; John D. | Metallic clothing for carding segments and flats |
US6185789B1 (en) * | 1997-03-03 | 2001-02-13 | John D. Hollingsworth On Wheels, Inc. | Metallic clothing for carding elements |
GB2323099B (en) * | 1997-03-15 | 2001-07-04 | Stewart & Sons Wm R | Fibre processing apparatus |
DE59806150D1 (en) | 1997-06-26 | 2002-12-12 | Rieter Ag Maschf | Flat clothing. |
TW592222U (en) | 1999-01-13 | 2004-06-11 | Graf & Co Ag | Card clothing for flats of a card |
DE10214391A1 (en) | 2001-09-21 | 2003-04-17 | Truetzschler Gmbh & Co Kg | Device on a card for cotton, man-made fibers and the like, in which there is at least one flat bar with a flat clothing |
DE20320538U1 (en) * | 2003-08-25 | 2004-09-30 | Trützschler GmbH & Co KG | Mounting of card clothing on flats for cotton or synthetic fiber card uses permanent magnets to hold card clothing on body of flat |
DE102004033509B4 (en) * | 2003-08-25 | 2017-06-29 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a carding machine for cotton, man-made fibers u. Like., In which at least one flat bar is present with a flat fitting |
DE102006016832B4 (en) * | 2006-04-07 | 2021-04-15 | Trützschler GmbH & Co Kommanditgesellschaft | Set carrier for a card cover covering |
DE102008025359A1 (en) * | 2008-05-20 | 2009-11-26 | Graf + Cie Ag | Flat bar for a card |
-
2009
- 2009-12-01 CH CH01846/09A patent/CH702329A1/en not_active Application Discontinuation
-
2010
- 2010-11-24 WO PCT/CH2010/000298 patent/WO2011066664A1/en active Application Filing
- 2010-11-24 CN CN201080054337.0A patent/CN102639772B/en not_active Expired - Fee Related
- 2010-11-24 EP EP10787674.0A patent/EP2507422B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
EP2507422A1 (en) | 2012-10-10 |
CN102639772A (en) | 2012-08-15 |
CN102639772B (en) | 2015-08-19 |
CH702329A1 (en) | 2011-06-15 |
WO2011066664A1 (en) | 2011-06-09 |
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