EP3980589A1 - Card having a revolving flat - Google Patents

Card having a revolving flat

Info

Publication number
EP3980589A1
EP3980589A1 EP20725701.5A EP20725701A EP3980589A1 EP 3980589 A1 EP3980589 A1 EP 3980589A1 EP 20725701 A EP20725701 A EP 20725701A EP 3980589 A1 EP3980589 A1 EP 3980589A1
Authority
EP
European Patent Office
Prior art keywords
bracket
card
deflection rollers
traction means
card according
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.)
Granted
Application number
EP20725701.5A
Other languages
German (de)
French (fr)
Other versions
EP3980589B1 (en
Inventor
Christoph Leinders
Robert Pischel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler GmbH and Co KG
Original Assignee
Truetzschler GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP3980589A1 publication Critical patent/EP3980589A1/en
Application granted granted Critical
Publication of EP3980589B1 publication Critical patent/EP3980589B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
    • 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

Definitions

  • the invention relates to a card with a revolving flat, comprising at least two traction means, which are designed to receive a plurality of flat bars in the area of their end faces and to guide them at least along a partial circumference of a drum of the card, the traction means with the flat bars around two pulleys each are performed, which are arranged above the side plates of the card, according to the preamble of claim 1.
  • DE 2604465 A1 discloses a revolving flat of a card, in which the flat rods are arranged on revolving belts or chains and are guided past a partial circumference of the drum in a circuit.
  • two guide rollers are arranged at the deflection points of the belt drive.
  • Guide elements or sliding guides are arranged between the guide rollers and are attached to flanges or members.
  • the flanges or structural members in turn extend from the side plate to the upper sliding guide, as a result of which the installation space between the rotating flat bars is only freely accessible to a limited extent.
  • the belt or chain can be adjusted using a spring balance by measuring the contact force of a flat bar on the flexible bend or the sliding guide. This is very imprecise and only gives an indirect indication of the tension in the belt or chain.
  • the object of the invention is to develop a revolving flat for a card, which allows easy access to the flat bars and which enables reproducible adjustment. This object is achieved with the features of claim 1. Advantageous further developments of the invention are given in the dependent claims.
  • the card according to the invention has a revolving flat which comprises at least two traction means which are designed to receive a plurality of flat bars in the area of their end faces and to guide them at least along a partial circumference of a drum of the card, the traction means with the flat bars being guided around two deflection rollers each which are arranged above the side plates of the card,
  • the invention is characterized in that a bracket is arranged between each two deflection rollers, which bracket is designed to accommodate further guide elements for guiding the traction means, the ends of the bracket being arranged on flanges on which the deflection rollers are mounted.
  • the traction means can be designed as a belt or chain and take the flat bars in the area of their end faces with pins,
  • the traction means guide the flat rods along their flat travel at least along a partial circumference of a drum, so that fibers between the sets of the covers and the sets of the drum are aligned and cleaned in a very small gap.
  • the traction means are guided around two pulleys each, with the flat bars in the area of one pulley being moved out of contact with the fibers or the drum and cleaned by means of suction and brushing before they are returned to the drum in the region of the second pulley .
  • At least one roller is designed to drive the traction means with a drive.
  • a bracket is arranged between each two deflection rollers, which is formed, further To accommodate guide elements for guiding the traction means, a free space is created between the lower and upper run of the traction means that can be used to inspect or remove the flat bars or to clean them.
  • the free space in the area of the side plates is not built with fastening elements on which the bracket is arranged.
  • the bracket preferably has a first and a second end which are arranged in the region of the deflection rollers, the bracket bridging at least a partial distance between the deflection rollers in an arc shape.
  • the design of the bracket as an arched bridge enables a high level of stability and generous design freedom for the free space between the upper and lower run of the traction means.
  • a first end of the bracket is designed to be rotatable and the second end has a support which rests on an adjusting element. The result is easy assembly of the bracket, which no longer has to be laboriously mounted and adjusted on the side plate of the card.
  • the bracket Because the second end of the bracket is pressed onto the adjusting element by the tension of the traction means, there is no need for the bracket to be actively fastened to this second end.
  • the tension of the traction mechanism ensures a permanent and precise contact with the adjustment element.
  • the setting element is preferably designed as an eccentric which interacts with the support of the bracket.
  • the clamping force on the traction device can be adjusted via the eccentric, because depending on the position of the eccentric, the bracket presses more or less against the tension of the traction device. Because the bracket is designed to be pivoted with its first end with a defined force about a pivot point, the tension on the traction means can be adjusted easily and precisely
  • a defined force is preferably introduced at the second end of the bracket, with the pivoted position of the bracket being fixed by bracing the eccentric which is in contact with the support of the bracket.
  • the defined force can be generated, for example, with springs, pneumatic or hydraulic means or by means of lever force.
  • the bracket preferably has at least two further deflection rollers for guiding the traction means, as a result of which there is little friction on the deflection of the traction means.
  • the use of two further deflection rollers that is to say a total of four deflection rollers per bracket, enables the use of deflection rollers with a small diameter, whereby the free space between the upper and lower run of the traction means can be increased.
  • the additional guide element on the bracket reduces the tension on the traction mechanism due to the weight of the flat bars.
  • a large free space can be created between the traction means, with which the flat bars can easily be mounted or can be removed.
  • the free space is also suitable for inspecting the condition of the flat bars and can be used to clean the revolving flat.
  • the traction means can be tensioned reproducibly with the simplest means.
  • FIG. 1 shows a schematic side view of a card with the device according to the invention
  • Fig. 3 shows a representation of the invention
  • Fig. 4 is an illustration for tensioning the belts of the
  • FIG. 4a shows an enlarged detailed illustration of FIG. 4
  • Fig. 5 is an illustration of a rear side of the
  • Fig. 1 shows a card 100 according to the prior art, in which fiber flocks are passed via a shaft to a feed roller 1, a feed table 2, via several lickerins 3a, 3b, 3c, to the drum 4 or the tambour.
  • the fibers of the fiber flocks are parallelized and cleaned by means of stationary rotating carding elements 20 arranged on a revolving cover 17.
  • the resulting fiber web is then conveyed via a pick-up 5, a pick-up roller 6 and several nip rollers 7, 8, to a fleece guide element 9, which transforms the fiber web with a funnel 10 into a fiber band, which is sent via take-off rollers 11, 12 to a downstream processing machine or a Can 15 passes.
  • FIG. 2 shows a revolving cover 17 according to the prior art.
  • the revolving cover 17 comprises at least two belts 17a, which are arranged on both sides of the drum 4 and in the region of the end faces of the flat bars 20 interact with pins arranged thereon. That is, each flat bar 20 is fastened on both sides by means of the pins arranged on the end face in a respective belt 17a, which are guided above the side plates 22 and arranged around the circumference.
  • the revolving flat 17 described here is guided on both sides of the card.
  • Each belt 17a is guided over at least two deflection rollers 24, 25, the deflection rollers 24 and 25 being rotatably arranged on bearing elements 24a, 25a.
  • the bearing elements 24a, 25a in turn are arranged on the side plates 22 of the card 100.
  • At least one of the deflection rollers 24 or 25 is coupled to a drive via which the belts 17a with the revolving lids 20 are driven along their lid travel.
  • Further deflection rollers 26, 27 or guides for the belt 17a can be arranged between the deflection rollers 24, 25.
  • a bracket 23 is arranged on the side plate 22, on which the two central deflection rollers 26, 27 are arranged and rotatably mounted.
  • Each bracket 23 is also arranged on the side plate 22 of the card 100 and is designed to adjust the tension of the belts 17a by means of an adjusting device 23a.
  • a suction device 30 is also arranged on a bearing element 25a, with which dirt and fiber residues are sucked out of the clothing of the flat bars.
  • a cleaning device (not further designated) in the form of a rotating brush is arranged on the bracket 23.
  • the flat bars 20 run between the pulleys 24 and 25 on the drum 4 over a slide strip 18 which is arranged on a flexible bend 21.
  • the flexible bend 21 is arranged on the side plate so as to be adjustable by means of the adjusting spindle 19.
  • the sliding strip 18 can be designed to be adjustable concentrically to the drum at a distance from the flexible bend 21.
  • the carding gap between the drum 4 and the flat bars 20 can be adjusted by adjusting the flexible arch 21 and the sliding strip 18.
  • the flat bars 20 move in the area of the drum 4 or the visible side plate 22 to the left against the direction of rotation of the drum 4, the flat bars 20 being guided here over the sliding strip 18.
  • the flat bars 20 are moved to the right in this illustration by the belt 17a.
  • the tension of the belt 17a is generated exclusively by the bracket 23, which is arranged adjustably at a central position on the side plate 22.
  • the contour of the bracket 23 corresponds to the triangular contour of an upturned clothes hanger, the adjusting device 23a with the attachment to the side plate 22 being arranged at a central corner (the suspension of the clothes hanger), and the pulleys 26 and 27 being rotatably mounted at the other two corners .
  • the arrangement and contour of the bracket 23 has the disadvantage that the belt tension can be adjusted, which is complex, and the lack of accessibility in the revolving cover 17 between the flat bars 20.
  • the revolving flat 17 according to the invention is guided on each side of the card 100 between the deflection rollers 24 and 25 on at least two further deflection rollers 26, 27 which are arranged on a curved bracket 23.
  • the bracket 23 spans the upper run of the belt 17 a, which is not located in the region of the drum 4.
  • the bracket 23 is fastened to two flanges 24b, 25b which are arranged on the bearing elements 24a, 25a.
  • the bracket 23 is arranged with a first end on a first flange 25b so as to be rotatable about the pivot point 31.
  • the second end of the bracket 23 rests loosely on a second flange 24b with a support 23b on an adjusting element which is arranged on the second flange 24b and is pressed against the support 23b by the tension of the belt 17a.
  • the bracket 23 thus has the shape of a bridge which bridges the distance between the flanges 24b, 25b in an arc shape.
  • the top of the bracket 23 is convex and the underside of the bracket 23 is concave in order to ensure sufficient stability on the one hand and to make the space between the bracket 23 and the side plate 22 above the drum 4 as large as possible on the other.
  • each bracket 23 is arranged on each bracket 23, with which adequate guidance is ensured for each belt 17a.
  • FIG. 4 and 4a shows the arrangement of the bracket 23 between the flanges 25b and 24b without the belt 17a and without the flat bars 20.
  • the bracket 23 Via the pivot point 31, the bracket 23 is rotatably attached to a first end on the flange 25b.
  • the second end of the bracket 23 rests with its support 23b on an adjusting element which, in this exemplary embodiment, is designed as a rotatable eccentric 32.
  • a pivot point 24c is arranged on the second flange 24b, to which a two-armed fleece 33 can be attached for the adjustment process of the revolving cover 17.
  • the bracket 33 On one side of the fulcrum 24c, the bracket 33 has a short bracket arm that interacts with the second side of the bracket 23.
  • a longer flexible arm of the lever 33 is arranged on the side facing away from the pivot point 24c of the bracket 23 and is designed to receive a weight 34.
  • the weight 34 in connection with the two-armed fleece 33 generates a force on the second end of the bracket 23 against the belt 17a, which is thus with a reproducible force is tensioned.
  • the eccentric 32 is rotated and fixed in contact with the support 23b of the bracket 23.
  • the belt 17 a for the revolving flat 17 can thus be tensioned reproducibly on each side of the card 100.
  • the lever 33 with the weight 34 is removed again.
  • any other predefined force load on the second end of the bracket 23 is suitable for generating a reproducible tension on the belt 17a, for example a spring arrangement or a pneumatic or hydraulic tensioning element.
  • FIG. 5 shows the guidance of a belt from the rear of the bracket 23 without the belt and without the flat bars.
  • the deflection rollers 24 and 25 can be seen, at least one of which is coupled to a drive and which deflect and guide the belt in the region of the drum.
  • four deflection rollers 26, 27, 28, 29 are arranged on the bracket 23.
  • a further guide element 35 for the belt 17a is arranged on the bracket 23 between the rollers 26, 28 and the rollers 27, 29.
  • a further guide element 35 is arranged on the flange 24b, which extends between the deflection roller 24 and the deflection roller 26 on the bracket 23.
  • the flange 25b also has a guide element 35 which extends from the deflection roller 25 to the deflection roller 27.
  • the belt 17a with the flat bars 20 arranged thereon can be guided on a straight path between the pulleys without the weight of the flat bars 20 causing additional tension in the belt 17a flow in.
  • the device according to the invention enables easy and reproducible adjustment of the belt tension in the revolving cover 17 achieved, the design and arrangement of the bracket 23 creating a large free space within the revolving cover, so that cleaning work or the exchange and inspection of flat bars 20 is simplified.
  • the embodiment of the invention is not limited to the preferred exemplary embodiment specified above. Rather, a number of variants are conceivable which make use of the solution shown even in the case of fundamentally different designs. All of the features and / or advantages arising from the claims, the description or the drawings, including structural details or spatial arrangements, can be essential to the invention both individually and in a wide variety of combinations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Conveying Record Carriers (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

The present invention relates to a card having a revolving flat (17), comprising at least two pulling means which are designed to hold a plurality of flat rods (20) in the region of the end faces thereof and to guide same at least around a part-circumference of a drum (4) of the card, the pulling means together with the flat rods (20) each being guided around two deflection rolls (24, 25) which are situated above the side plates (22) of the card. The invention is characterised in that a bracket (23) is arranged between each pair of deflection rolls (24, 25), said bracket being designed to hold further guide elements (26, 27, 28, 29, 35) for guiding the pulling means, wherein the ends of the bracket (23) are arranged on flanges (24b, 25b) on which the deflection rolls (24, 25) are mounted.

Description

Titel: Karde mit einem Wanderdeckel Title: Card with a revolving lid
Beschreibung Die Erfindung betrifft eine Karde mit einem Wanderdeckel, umfassend zumindest zwei Zugmittel, die ausgebildet sind, eine Vielzahl von Deckelstäben im Bereich ihrer Stirnseiten aufzunehmen und zumindest entlang eines Teilumfanges einer Trommel der Karde zu führen, wobei die Zugmittel mit den Deckelstäben um jeweils zwei Umlenkrollen geführt werden, die oberhalb der Seitenschilder der Karde angeordnet sind, nach dem Oberbegriff von Anspruch 1. Description The invention relates to a card with a revolving flat, comprising at least two traction means, which are designed to receive a plurality of flat bars in the area of their end faces and to guide them at least along a partial circumference of a drum of the card, the traction means with the flat bars around two pulleys each are performed, which are arranged above the side plates of the card, according to the preamble of claim 1.
In der DE 2604465 A1 wird ein Wanderdeckel einer Karde offenbart, bei dem die Deckelstäbe an umlaufenden Riemen oder Ketten angeordnet und in einem Kreislauf an einem Teilumfang der Trommel vorbeigeführt werden. Hierzu sind zwei Führungsrollen an den Umlenkpunkten des Riementriebes angeordnet. Zwischen den Führungsrollen sind Führungselemente bzw. Gleitführungen angeordnet, die an Flanschen oder Baugliedern befestigt sind. Die Flansche oder Bauglieder erstrecken sich wiederum vom Seitenschild bis zur oberen Gleitführung, wodurch der Bauraum zwischen den umlaufenden Deckelstäben nur begrenzt frei zugänglich ist. Die Einsteilbarkeit des Riemens bzw. der Kette erfolgt mittels einer Federwaage, indem die Auflagekraft eines Deckelstabes auf dem Flexibelbogen oder der Gleitführung gemessen wird. Das ist sehr ungenau und lässt nur indirekt auf die Spannung des Riemens oder der Kette schließen. DE 2604465 A1 discloses a revolving flat of a card, in which the flat rods are arranged on revolving belts or chains and are guided past a partial circumference of the drum in a circuit. For this purpose, two guide rollers are arranged at the deflection points of the belt drive. Guide elements or sliding guides are arranged between the guide rollers and are attached to flanges or members. The flanges or structural members in turn extend from the side plate to the upper sliding guide, as a result of which the installation space between the rotating flat bars is only freely accessible to a limited extent. The belt or chain can be adjusted using a spring balance by measuring the contact force of a flat bar on the flexible bend or the sliding guide. This is very imprecise and only gives an indirect indication of the tension in the belt or chain.
Aufgabe der Erfindung ist die Weiterbildung eines Wanderdeckels für eine Karde, die eine leichte Zugänglichkeit der Deckelstäbe ermöglicht und die eine reproduzierbare Einsteilbarkeit ermöglicht. Diese Aufgabe wird mit den Merkmalen von Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben. The object of the invention is to develop a revolving flat for a card, which allows easy access to the flat bars and which enables reproducible adjustment. This object is achieved with the features of claim 1. Advantageous further developments of the invention are given in the dependent claims.
Der erfindungsgemäße Karde weist einen Wanderdeckel auf, der zumindest zwei Zugmittel umfasst, die ausgebildet sind, eine Vielzahl von Deckelstäben im Bereich ihrer Stirnseiten aufzunehmen und zumindest entlang eines Teilumfanges einer Trommel der Karde zu führen, wobei die Zugmittel mit den Deckelstäben um jeweils zwei Umlenkrollen geführt werden, die oberhalb der Seitenschilder der Karde angeordnet sind, The card according to the invention has a revolving flat which comprises at least two traction means which are designed to receive a plurality of flat bars in the area of their end faces and to guide them at least along a partial circumference of a drum of the card, the traction means with the flat bars being guided around two deflection rollers each which are arranged above the side plates of the card,
Die Erfindung ist dadurch gekennzeichnet, dass zwischen jeweils zwei Umlenkrollen ein Bügel angeordnet ist, der ausgebildet ist, weitere Führungselemente zur Führung des Zugmittels aufzunehmen, wobei die Enden des Bügels an Flanschen angeordnet sind, an denen die Umlenkrollen gelagert sind. The invention is characterized in that a bracket is arranged between each two deflection rollers, which bracket is designed to accommodate further guide elements for guiding the traction means, the ends of the bracket being arranged on flanges on which the deflection rollers are mounted.
Die Zugmittel können als Riemen oder Kette ausgebildet sein und nehmen die Deckelstäbe im Bereich ihrer Stirnseiten mit Stiften,The traction means can be designed as a belt or chain and take the flat bars in the area of their end faces with pins,
Kunststoffelementen oder anderen Verbindungsmitteln auf. Die Zugmittel führen die Deckelstäbe entlang ihrer Deckelreise zumindest entlang eines Teilumfanges einer Trommel, so dass Fasern zwischen den Garnituren der Deckel und der Garnitur der Trommel in einem sehr geringen Spalt ausgerichtet und gereinigt werden. Die Zugmittel werden dabei um jeweils zwei Umlenkrollen geführt, wobei im Bereich einer Umlenkrolle die Deckelstäbe aus dem Kontakt mit den Fasern bzw. der Trommel herausgeführt werden und mittels Absaugung und Bürste gereinigt werden, bevor sie im Bereich der zweiten Umlenkrolle wieder an die Trommel geführt werden. Zumindest eine Rolle ist ausgebildet, mit einem Antrieb das Zugmittel anzutreiben. Dadurch, dass zwischen jeweils zwei Umlenkrollen ein Bügel angeordnet ist, der ausgebildet ist, weitere Führungselemente zur Führung des Zugmittels aufzunehmen, entsteht zwischen dem Unter- und Obertrum der Zugmittel ein Freiraum, der zur Inspektion oder Entnahme der Deckelstäbe oder deren Reinigung verwendet werden kann. Der Freiraum ist im Bereich der Seitenschilder nicht mit Befestigungselementen verbaut, an denen der Bügel angeordnet ist. Plastic elements or other connecting means. The traction means guide the flat rods along their flat travel at least along a partial circumference of a drum, so that fibers between the sets of the covers and the sets of the drum are aligned and cleaned in a very small gap. The traction means are guided around two pulleys each, with the flat bars in the area of one pulley being moved out of contact with the fibers or the drum and cleaned by means of suction and brushing before they are returned to the drum in the region of the second pulley . At least one roller is designed to drive the traction means with a drive. The fact that a bracket is arranged between each two deflection rollers, which is formed, further To accommodate guide elements for guiding the traction means, a free space is created between the lower and upper run of the traction means that can be used to inspect or remove the flat bars or to clean them. The free space in the area of the side plates is not built with fastening elements on which the bracket is arranged.
Vorzugsweise weist der Bügel ein erstes und ein zweites Ende auf, die im Bereich der Umlenkrollen angeordnet sind, wobei der Bügel zumindest einen Teilabstand zwischen den Umlenkrollen bogenförmig überbrückt. Die Ausbildung des Bügels als bogenförmige Brücke ermöglicht eine hohe Stabilität und eine großzügige Gestaltungsfreiheit für den Freiraum zwischen dem Ober- und dem Untertrum der Zugmittel. In einer vorteilhaften Ausführungsform ist ein erstes Ende des Bügels drehbar ausgebildet und das zweite Ende weist eine Auflage auf, das auf einem Einstellelement aufliegt. Es ergibt sich eine leichte Montage des Bügels, der nicht mehr aufwändig am Seitenschild der Karde montiert und justiert werden muss. The bracket preferably has a first and a second end which are arranged in the region of the deflection rollers, the bracket bridging at least a partial distance between the deflection rollers in an arc shape. The design of the bracket as an arched bridge enables a high level of stability and generous design freedom for the free space between the upper and lower run of the traction means. In an advantageous embodiment, a first end of the bracket is designed to be rotatable and the second end has a support which rests on an adjusting element. The result is easy assembly of the bracket, which no longer has to be laboriously mounted and adjusted on the side plate of the card.
Dadurch, dass das zweite Ende des Bügels durch die Spannung des Zugmittels auf das Einstellelement gedrückt wird, kann auf eine aktive Befestigung des Bügels an diesem zweiten Ende verzichtet werden. Die Spannung des Zugmittels sorgt für eine dauerhafte und genaue Auflage auf das Einstellelement. Because the second end of the bracket is pressed onto the adjusting element by the tension of the traction means, there is no need for the bracket to be actively fastened to this second end. The tension of the traction mechanism ensures a permanent and precise contact with the adjustment element.
Vorzugsweise ist das Einstellelement als Exzenter ausgebildet, das mit der Auflage des Bügels zusammenwirkt. Über den Exzenter kann die Spannkraft auf das Zugmittel eingestellt werden, denn je nach Stellung des Exzenters drückt der Bügel mehr oder weniger gegen die Spannung des Zugmittels. Dadurch, dass der Bügel ausgebildet ist, mit seinem ersten Ende mit einer definierten Kraft um einen Drehpunkt verschwenkt zu werden, kann die Spannung auf das Zugmittel leicht und genau eingestellt werden The setting element is preferably designed as an eccentric which interacts with the support of the bracket. The clamping force on the traction device can be adjusted via the eccentric, because depending on the position of the eccentric, the bracket presses more or less against the tension of the traction device. Because the bracket is designed to be pivoted with its first end with a defined force about a pivot point, the tension on the traction means can be adjusted easily and precisely
Vorzugsweise wird eine definierte Kraft am zweiten Ende des Bügels eingeleitet, wobei die verschwenkte Position des Bügels durch ein Verspannen des Exzenters, der sich mit der Auflage des Bügels in Kontakt befindet, fixiert wird. Die definierte Kraft kann beispielsweise mit Federn, pneumatischen oder hydraulischen Mitteln oder mittels Hebelkraft erzeugt werden. A defined force is preferably introduced at the second end of the bracket, with the pivoted position of the bracket being fixed by bracing the eccentric which is in contact with the support of the bracket. The defined force can be generated, for example, with springs, pneumatic or hydraulic means or by means of lever force.
Dadurch, dass die definierte Kraft mit einem Hebel und einem Gewicht erzeugt wird, die zur Einstellung der Spannung des Zugmittels im Bereich des zweiten Endes des Bügels an der Karde montierbar sind, ergibt sich eine einfache und reproduzierbare Einsteilbarkeit der Spannung auf die Zugmittel. Der Hebel und das Gewicht können innerhalb der Karde einfach deponiert werden oder den Monteuren mitgegeben werden. Vorzugsweise weist der Bügel zumindest zwei weitere Umlenkrollen zur Führung des Zugmittels auf, wodurch eine geringe Reibung auf die Umlenkung des Zugmittels wirkt. Die Verwendung von zwei weiteren Umlenkrollen, also insgesamt vier Umlenkrollen pro Bügel ermöglicht die Verwendung von Umlenkrollen mit geringem Durchmesser, wodurch der Freiraum zwischen dem Ober- und Untertrum des Zugmittels vergrößert werden kann. Because the defined force is generated with a lever and a weight, which can be mounted on the card to adjust the tension of the traction mechanism in the area of the second end of the bracket, the tension on the traction mechanism can be adjusted easily and reproducibly. The lever and the weight can simply be deposited inside the card or given to the fitters. The bracket preferably has at least two further deflection rollers for guiding the traction means, as a result of which there is little friction on the deflection of the traction means. The use of two further deflection rollers, that is to say a total of four deflection rollers per bracket, enables the use of deflection rollers with a small diameter, whereby the free space between the upper and lower run of the traction means can be increased.
Das weitere Führungselement am Bügel reduziert die Spannung am Zugmittel aufgrund des Gewichtes der Deckelstäbe. The additional guide element on the bracket reduces the tension on the traction mechanism due to the weight of the flat bars.
Mit dem erfindungsgemäßen Wanderdeckel lässt sich ein großer Freiraum zwischen dem Zugmittel schaffen, mit dem leicht die Deckelstäbe montiert oder entnommen werden können. Der Freiraum ist außerdem geeignet, den Zustand der Deckelstäbe zu begutachten und kann zur Reinigung des Wanderdeckels genutzt werden. Gleichzeitig lässt sich das Zugmittel mit einfachsten Mitteln reproduzierbar spannen. With the revolving cover according to the invention, a large free space can be created between the traction means, with which the flat bars can easily be mounted or can be removed. The free space is also suitable for inspecting the condition of the flat bars and can be used to clean the revolving flat. At the same time, the traction means can be tensioned reproducibly with the simplest means.
Weitere, die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher dargestellt. Es zeigen: Further measures improving the invention are shown in more detail below together with the description of a preferred exemplary embodiment of the invention with reference to the figures. Show it:
Fig. 1 eine schematische Seitenansicht einer Karde mit der erfindungsgemäßen Vorrichtung; 1 shows a schematic side view of a card with the device according to the invention;
Fig. 2 eine Darstellung des Wanderdeckels nach dem Stand der Technik; 2 shows an illustration of the revolving cover according to the prior art;
Fig. 3 eine Darstellung des erfindungsgemäßen Fig. 3 shows a representation of the invention
Wanderdeckels; Revolving cover;
Fig. 4 eine Darstellung zum Spannen der Riemen des Fig. 4 is an illustration for tensioning the belts of the
Wanderdeckels; Revolving cover;
Fig. 4a eine vergrößerte Detaildarstellung von Figur 4; FIG. 4a shows an enlarged detailed illustration of FIG. 4;
Fig. 5 eine Darstellung auf eine Rückseite des Fig. 5 is an illustration of a rear side of the
Wanderdeckels. Fig. 1 zeigt eine Karde 100 nach dem Stand der Technik, bei der Faserflocken über einen Schacht zu einer Speisewalze 1 , einem Speisetisch 2, über mehrere Vorreißer 3a, 3b, 3c, zu der Trommel 4 oder dem Tambour geleitet werden. Auf der Trommel 4 werden die Fasern der Faserflocken mittels feststehender und an einem Wanderdeckel 17 angeordneter umlaufender Kardierelemente 20 parallelisiert und gereinigt. Der entstehende Faserflor wird nachfolgend über einen Abnehmer 5, eine Abnehmerwalze 6 und mehreren Quetschwalzen 7, 8, zu einem Vliesleitelement 9 gefördert, der den Faserflor mit einem Trichter 10 zu einem Faserband umformt, das über Abzugswalzen 11 , 12 an eine nachfolgende Verarbeitungsmaschine oder eine Kanne 15 übergibt. Figur 2 zeigt einen Wanderdeckel 17 nach dem Stand der Technik. Der Wanderdeckel 17 umfasst zumindest zwei Riemen 17a, die beidseitig der Trommel 4 angeordnet sind und im Bereich der Stirnseiten der Deckelstäbe 20 mit daran angeordneten Stiften Zusammenwirken. Das heißt, jeder Deckelstab 20 ist beidseitig mittels der stirnseitig angeordneten Stifte in jeweils einem Riemen 17a befestigt, die oberhalb der Seitenschilder 22 geführt und umlaufend angeordnet sind. In den nachfolgenden Darstellungen wird nur eine Seite der Karde dargestellt, wobei dem Fachmann klar ist, dass der hier beschriebene Wanderdeckel 17 beidseitig der Karde geführt ist. Jeder Riemen 17a wird über mindestens zwei Umlenkrollen 24, 25 geführt, wobei die Umlenkrollen 24 und 25 an Lagerelementen 24a, 25a drehbar angeordnet sind. Die Lagerelemente 24a, 25a wiederum sind an den Seitenschildern 22 der Karde 100 angeordnet. Zumindest einer der Umlenkrollen 24 oder 25 ist mit einem Antrieb gekoppelt, über den die Riemen 17a mit den Wanderdeckeln 20 entlang ihrer Deckelreise angetrieben werden. Zwischen den Umlenkrollen 24, 25 können weitere Umlenkrollen 26, 27 oder Führungen für den Riemen 17a angeordnet sein. Beidseitig der Trommel 4 ist am Seitenschild 22 jeweils ein Bügel 23 angeordnet, an dem die beiden mittleren Umlenkrollen 26, 27 angeordnet und drehbar gelagert sind. Jeder Bügel 23 ist ebenfalls am Seitenschild 22 der Karde 100 angeordnet und ausgebildet, mittels einer Einstellvorrichtung 23a die Spannung der Riemen 17a einzustellen. Revolving cover. Fig. 1 shows a card 100 according to the prior art, in which fiber flocks are passed via a shaft to a feed roller 1, a feed table 2, via several lickerins 3a, 3b, 3c, to the drum 4 or the tambour. On the drum 4, the fibers of the fiber flocks are parallelized and cleaned by means of stationary rotating carding elements 20 arranged on a revolving cover 17. The resulting fiber web is then conveyed via a pick-up 5, a pick-up roller 6 and several nip rollers 7, 8, to a fleece guide element 9, which transforms the fiber web with a funnel 10 into a fiber band, which is sent via take-off rollers 11, 12 to a downstream processing machine or a Can 15 passes. Figure 2 shows a revolving cover 17 according to the prior art. The revolving cover 17 comprises at least two belts 17a, which are arranged on both sides of the drum 4 and in the region of the end faces of the flat bars 20 interact with pins arranged thereon. That is, each flat bar 20 is fastened on both sides by means of the pins arranged on the end face in a respective belt 17a, which are guided above the side plates 22 and arranged around the circumference. In the following illustrations only one side of the card is shown, it being clear to the person skilled in the art that the revolving flat 17 described here is guided on both sides of the card. Each belt 17a is guided over at least two deflection rollers 24, 25, the deflection rollers 24 and 25 being rotatably arranged on bearing elements 24a, 25a. The bearing elements 24a, 25a in turn are arranged on the side plates 22 of the card 100. At least one of the deflection rollers 24 or 25 is coupled to a drive via which the belts 17a with the revolving lids 20 are driven along their lid travel. Further deflection rollers 26, 27 or guides for the belt 17a can be arranged between the deflection rollers 24, 25. On both sides of the drum 4, a bracket 23 is arranged on the side plate 22, on which the two central deflection rollers 26, 27 are arranged and rotatably mounted. Each bracket 23 is also arranged on the side plate 22 of the card 100 and is designed to adjust the tension of the belts 17a by means of an adjusting device 23a.
An einem Lagerelement 25a ist ebenfalls eine Absaugung 30 angeordnet, mit der Schmutz und Faserreste aus den Garnituren der Deckelstäbe abgesaugt werden. Neben der Absaugung 30 ist am Bügel 23 eine nicht weiter bezeichnete Reinigungsvorrichtung in Form einer rotierenden Bürste angeordnet. Die Deckelstäbe 20 laufen zwischen den Umlenkrollen 24 und 25 an der Trommel 4 über eine Gleitleiste 18, die an einem Flexibelbogen 21 angeordnet ist. Der Flexibelbogen 21 ist mittels Stellspindel 19 einstellbar am Seitenschild angeordnet. Die Gleitleiste 18 kann im Abstand zum Flexibelbogen 21 konzentrisch zur Trommel einstellbar ausgebildet sein. Über die Einstellung des Flexibelbogens 21 und der Gleitleiste 18 lässt sich der Kardierspalt zwischen der Trommel 4 und den Deckelstäben 20 einstellen. In dem Ausführungsbeispiel der Figur 2 bewegen sich die Deckelstäbe 20 im Bereich der Trommel 4 bzw. des sichtbaren Seitenschildes 22 gegen die Drehrichtung der Trommel 4 nach links, wobei die Deckelstäbe 20 hier über der Gleitleiste 18 geführt werden. Nach der Umlenkung um die Umlenkrolle 25 werden die Deckelstäbe 20 durch den Riemen 17a in dieser Darstellung nach rechts bewegt. Die Spannung des Riemens 17a wird ausschließlich durch den Bügel 23 erzeugt, der an einer mittigen Position am Seitenschild 22 einstellbar angeordnet ist. Die Kontur des Bügels 23 entspricht der dreieckigen Kontur eines umgedrehten Kleiderbügels, wobei an einer zentralen Ecke (der Aufhängung des Kleiderbügels) die Einstellvorrichtung 23a mit der Befestigung am Seitenschild 22 angeordnet ist, und an den beiden anderen Ecken die Umlenkrollen 26 und 27 drehbar gelagert sind. Die Anordnung und Kontur des Bügels 23 hat den Nachteil der aufwändigen Einsteilbarkeit der Riemenspannung und der mangelhaften Zugänglichkeit im Wanderdeckel 17 zwischen den Deckelstäben 20. A suction device 30 is also arranged on a bearing element 25a, with which dirt and fiber residues are sucked out of the clothing of the flat bars. In addition to the suction device 30, a cleaning device (not further designated) in the form of a rotating brush is arranged on the bracket 23. The flat bars 20 run between the pulleys 24 and 25 on the drum 4 over a slide strip 18 which is arranged on a flexible bend 21. The flexible bend 21 is arranged on the side plate so as to be adjustable by means of the adjusting spindle 19. The sliding strip 18 can be designed to be adjustable concentrically to the drum at a distance from the flexible bend 21. The carding gap between the drum 4 and the flat bars 20 can be adjusted by adjusting the flexible arch 21 and the sliding strip 18. In the exemplary embodiment of FIG. 2, the flat bars 20 move in the area of the drum 4 or the visible side plate 22 to the left against the direction of rotation of the drum 4, the flat bars 20 being guided here over the sliding strip 18. After the deflection around the deflection roller 25, the flat bars 20 are moved to the right in this illustration by the belt 17a. The tension of the belt 17a is generated exclusively by the bracket 23, which is arranged adjustably at a central position on the side plate 22. The contour of the bracket 23 corresponds to the triangular contour of an upturned clothes hanger, the adjusting device 23a with the attachment to the side plate 22 being arranged at a central corner (the suspension of the clothes hanger), and the pulleys 26 and 27 being rotatably mounted at the other two corners . The arrangement and contour of the bracket 23 has the disadvantage that the belt tension can be adjusted, which is complex, and the lack of accessibility in the revolving cover 17 between the flat bars 20.
Nach Figur 3 wird der erfindungsgemäße Wanderdeckel 17 auf jeder Seite der Karde 100 zwischen den Umlenkrollen 24 und 25 an mindestens zwei weiteren Umlenkrollen 26, 27 geführt, die an einem gebogenen Bügel 23 angeordnet sind. Der Bügel 23 überspannt das obere Trum des Riemens 17a, der sich nicht im Bereich der Trommel 4 befindet. Die Befestigung des Bügels 23 erfolgt an zwei Flanschen 24b, 25b, die an den Lagerelementen 24a, 25a angeordnet sind. Dabei ist der Bügel 23 mit einem ersten Ende an einem ersten Flansch 25b um den Drehpunkt 31 drehbar angeordnet. Das zweite Ende des Bügels 23 liegt an einem zweiten Flansch 24b mit einer Auflage 23b lose auf einem Einstellelement auf, das am zweiten Flansch 24b angeordnet ist und wird durch die Spannung des Riemens 17a gegen die Auflage 23b gedrückt. Der Bügel 23 hat damit die Form einer Brücke, die den Abstand zwischen den Flanschen 24b, 25b bogenförmig überbrückt. Zwischen dem Bügel 23 und dem Seitenschild 22 oberhalb der Trommel 4 ergibt sich ein von beiden Seiten der Trommel 4 zugänglicher Freiraum, der für Reinigungsarbeiten oder auch für die Inspektion oder Entnahme von einzelnen Deckelstäben 20 genutzt werden kann. Vorteilhafterweise ist die Oberseite des Bügels 23 konvex ausgebildet, und die Unterseite des Bügels 23 konkav, um einerseits eine ausreichende Stabilität zu gewährleisten, andererseits um den Freiraum zwischen dem Bügel 23 und dem Seitenschild 22 oberhalb der Trommel 4 so groß wie möglich zu gestalten. According to FIG. 3, the revolving flat 17 according to the invention is guided on each side of the card 100 between the deflection rollers 24 and 25 on at least two further deflection rollers 26, 27 which are arranged on a curved bracket 23. The bracket 23 spans the upper run of the belt 17 a, which is not located in the region of the drum 4. The bracket 23 is fastened to two flanges 24b, 25b which are arranged on the bearing elements 24a, 25a. The bracket 23 is arranged with a first end on a first flange 25b so as to be rotatable about the pivot point 31. The second end of the bracket 23 rests loosely on a second flange 24b with a support 23b on an adjusting element which is arranged on the second flange 24b and is pressed against the support 23b by the tension of the belt 17a. The bracket 23 thus has the shape of a bridge which bridges the distance between the flanges 24b, 25b in an arc shape. Between the bracket 23 and the side plate 22 above the drum 4 there is a free space which is accessible from both sides of the drum 4 and which can be used for cleaning work or for the inspection or removal of individual flat bars 20. Advantageously, the top of the bracket 23 is convex and the underside of the bracket 23 is concave in order to ensure sufficient stability on the one hand and to make the space between the bracket 23 and the side plate 22 above the drum 4 as large as possible on the other.
In einer vorteilhaften Ausgestaltung sind an jedem Bügel 23 vier Umlenkrollen 26, 27, 28, 29 angeordnet, mit denen eine ausreichende Führung für jeden Riemen 17a gewährleistet ist. In an advantageous embodiment, four deflection rollers 26, 27, 28, 29 are arranged on each bracket 23, with which adequate guidance is ensured for each belt 17a.
Das Ausführungsbeispiel der Figuren 4 und 4a zeigt die Anordnung des Bügels 23 zwischen den Flanschen 25b und 24b ohne den Riemen 17a und ohne die Deckelstäbe 20. Über den Drehpunkt 31 ist der Bügel 23 mit einem ersten Ende am Flansch 25b drehbar befestigt. Das zweite Ende des Bügels 23 liegt mit seiner Auflage 23b auf einem Einstellelement auf, das in diesem Ausführungsbeispiel als drehbarer Exzenter 32 ausgebildet ist. Am zweiten Flansch 24b ist ein Drehpunkt 24c angeordnet, an den für den Einstellvorgang des Wanderdeckels 17 ein zweiarmiger Flebel 33 befestigt werden kann. Der Flebel 33 weist an einer Seite des Drehpunktes 24c einen kurzen Flebelarm auf, der mit der zweiten Seite des Bügels 23 zusammenwirkt. Ein längerer Flebelarm des Flebels 33 ist auf der vom Drehpunkt 24c des Bügels 23 abgewandten Seite angeordnet und ausgebildet, ein Gewicht 34 aufzunehmen. Das Gewicht 34 in Verbindung mit dem zweiarmigen Flebel 33 erzeugt auf das zweite Ende des Bügels 23 eine Kraft gegen den Riemen 17a, der damit mit einer reproduzierbaren Kraft gespannt wird. Um die Spannung aufrecht zu halten, wird der Exzenter 32 auf Kontakt an die Auflage 23b des Bügels 23 gedreht und fixiert. Der Riemen 17a für den Wanderdeckel 17 ist damit auf jeder Seite der Karde 100 reproduzierbar zu spannen. Nach der Einstellung des Riemens wird der Hebel 33 mit dem Gewicht 34 wieder entfernt. Statt der Ausführung mit dem Hebel 33 und dem Gewicht 34 ist jede andere vordefinierte Kraftbelastung auf das zweite Ende des Bügels 23 geeignet, eine reproduzierbare Spannung auf den Riemen 17a zu erzeugen, beispielsweise eine Federanordnung, oder ein pneumatisches oder hydraulisches Spannelement. The embodiment of Figures 4 and 4a shows the arrangement of the bracket 23 between the flanges 25b and 24b without the belt 17a and without the flat bars 20. Via the pivot point 31, the bracket 23 is rotatably attached to a first end on the flange 25b. The second end of the bracket 23 rests with its support 23b on an adjusting element which, in this exemplary embodiment, is designed as a rotatable eccentric 32. A pivot point 24c is arranged on the second flange 24b, to which a two-armed fleece 33 can be attached for the adjustment process of the revolving cover 17. On one side of the fulcrum 24c, the bracket 33 has a short bracket arm that interacts with the second side of the bracket 23. A longer flexible arm of the lever 33 is arranged on the side facing away from the pivot point 24c of the bracket 23 and is designed to receive a weight 34. The weight 34 in connection with the two-armed fleece 33 generates a force on the second end of the bracket 23 against the belt 17a, which is thus with a reproducible force is tensioned. In order to maintain the tension, the eccentric 32 is rotated and fixed in contact with the support 23b of the bracket 23. The belt 17 a for the revolving flat 17 can thus be tensioned reproducibly on each side of the card 100. After adjusting the belt, the lever 33 with the weight 34 is removed again. Instead of the embodiment with the lever 33 and the weight 34, any other predefined force load on the second end of the bracket 23 is suitable for generating a reproducible tension on the belt 17a, for example a spring arrangement or a pneumatic or hydraulic tensioning element.
Figur 5 zeigt die Führung eines Riemens von der Rückseite des Bügels 23 ohne den Riemen und ohne die Deckelstäbe. Erkennbar sind die Umlenkrollen 24 und 25, von denen zumindest eine mit einem Antrieb gekoppelt ist und die den Riemen im Bereich der Trommel umlenken und führen. Am Bügel 23 sind in diesem Ausführungsbeispiel vier Umlenkrollen 26, 27, 28, 29 angeordnet. Zwischen den Rollen 26, 28 und den Rollen 27, 29 ist am Bügel 23 ein weiteres Führungselement 35 für den Riemen 17a angeordnet. Ein weiteres Führungselement 35 ist am Flansch 24b angeordnet, das sich zwischen der Umlenkrolle 24 und der Umlenkrolle 26 am Bügel 23 erstreckt. Auch der Flansch 25b weist ein Führungselement 35 auf, das sich von der Umlenkrolle 25 zur Umlenkrolle 27 erstreckt. FIG. 5 shows the guidance of a belt from the rear of the bracket 23 without the belt and without the flat bars. The deflection rollers 24 and 25 can be seen, at least one of which is coupled to a drive and which deflect and guide the belt in the region of the drum. In this exemplary embodiment, four deflection rollers 26, 27, 28, 29 are arranged on the bracket 23. A further guide element 35 for the belt 17a is arranged on the bracket 23 between the rollers 26, 28 and the rollers 27, 29. A further guide element 35 is arranged on the flange 24b, which extends between the deflection roller 24 and the deflection roller 26 on the bracket 23. The flange 25b also has a guide element 35 which extends from the deflection roller 25 to the deflection roller 27.
Mittels der Führungselemente 35, die in diesem Ausführungsbeispiel als einfache Winkel ausgebildet sind, lässt sich der Riemen 17a mit den daran angeordneten Deckelstäben 20 auf einer geraden Bahn zwischen den Umlenkrollen führen, ohne dass das Gewicht der Deckelstäbe 20 hier eine zusätzliche Spannung in den Riemen 17a einfließen lässt. Durch die erfindungsgemäße Vorrichtung wird eine leichte und reproduzierbare Einstellung der Riemenspannung beim Wanderdeckel 17 erreicht, wobei durch die Ausbildung und Anordnung des Bügels 23 ein großer Freiraum innerhalb des Wanderdeckels geschaffen wird, so dass Reinigungsarbeiten oder der Austausch und die Inspektion von Deckelstäben 20 vereinfacht wird. Die Erfindung beschränkt sich in ihrer Ausführung nicht auf das vorstehend angegebene bevorzugte Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche von der dargestellten Lösung auch bei grundsätzlich anders gearteten Ausführungen Gebrauch macht. Sämtliche aus den Ansprüchen, der Beschreibung oder den Zeichnungen hervorgehenden Merkmale und/oder Vorteile, einschließlich konstruktiver Einzelheiten oder räumlicher Anordnungen, können sowohl für sich als auch in den verschiedensten Kombinationen erfindungswesentlich sein. By means of the guide elements 35, which are designed as simple angles in this exemplary embodiment, the belt 17a with the flat bars 20 arranged thereon can be guided on a straight path between the pulleys without the weight of the flat bars 20 causing additional tension in the belt 17a flow in. The device according to the invention enables easy and reproducible adjustment of the belt tension in the revolving cover 17 achieved, the design and arrangement of the bracket 23 creating a large free space within the revolving cover, so that cleaning work or the exchange and inspection of flat bars 20 is simplified. The embodiment of the invention is not limited to the preferred exemplary embodiment specified above. Rather, a number of variants are conceivable which make use of the solution shown even in the case of fundamentally different designs. All of the features and / or advantages arising from the claims, the description or the drawings, including structural details or spatial arrangements, can be essential to the invention both individually and in a wide variety of combinations.
Bezugszeichen Reference number
100 Karde 1 Speisewalze100 card 1 feed roller
2 Speisetisch2 dining table
3a, 3b, 3c Vorreißer 3a, 3b, 3c lickerin
4 Trommel 4 drum
5 Abnehmer 5 customers
6 Abnehmerwalze6 scraper roller
7 Quetschwalze7 squeegee roller
8 Quetschwalze8 squeeze roller
9 Vliesleitelement9 Fleece guide element
10 Trichter 10 funnels
11 Abzugswalze11 take-off roller
12 Abzugswalze12 take-off roller
13 Kardierelement13 carding element
15 Kanne 15 jug
17 Wanderdeckel 17a Riemen 17 revolving lid 17a strap
18 Gleitleisten 18 sliding strips
19 Stellspindel19 adjusting spindle
20 Deckelstab 21 Flexibelbogen 22 Seitenschild20 Flat rod 21 Flexible bend 22 Side plate
23 Bügel 23 bracket
23a Einstellvorrichtung 23b Auflage 23a adjustment device 23b support
24 Umlenkrolle 24a Lagerelement 24 deflection roller 24a bearing element
24b Flansch 24b flange
24c Drehpunkt24c pivot point
25 Umlenkrolle 25a Lagerelement 25b Flansch 25 pulley 25a bearing element 25b flange
26 Umlenkrolle 26 pulley
27 Umlenkrolle27 Pulley
28 Umlenkrolle 29 Umlenkrolle 30 Absaugung28 Idler pulley 29 Idler pulley 30 suction
31 Drehpunkt31 pivot point
32 Exzenter 32 eccentrics
33 Hebel 33 levers
34 Gewicht 34 weight
35 Führungselement 35 guide element

Claims

Patentansprüche Claims
1. Karde mit einem Wanderdeckel (17), umfassend zumindest zwei Zugmittel, die ausgebildet sind, eine Vielzahl von Deckelstäben (20) im Bereich ihrer Stirnseiten aufzunehmen und zumindest entlang eines Teilumfanges einer Trommel (4) der Karde zu führen, wobei die Zugmittel mit den Deckelstäben (20) um jeweils zwei Umlenkrollen (24, 25) geführt werden, die oberhalb der Seitenschilder (22) der Karde angeordnet sind, dadurch gekennzeichnet, dass zwischen jeweils zwei Umlenkrollen (24, 25) ein Bügel (23) angeordnet ist, der ausgebildet ist, weitere Führungselemente (26, 27, 28, 29, 35) zur Führung des Zugmittels aufzunehmen, wobei die Enden des Bügels (23) an Flanschen (24b, 25b) angeordnet sind, an denen die Umlenkrollen (24, 25) gelagert sind. 1. Card with a revolving flat (17), comprising at least two traction means which are designed to receive a plurality of flat bars (20) in the region of their end faces and to guide them at least along a partial circumference of a drum (4) of the card, the traction means with the flat bars (20) are guided around two deflection rollers (24, 25) each, which are arranged above the side plates (22) of the card, characterized in that a bracket (23) is arranged between each two deflection rollers (24, 25), which is designed to receive further guide elements (26, 27, 28, 29, 35) for guiding the traction means, the ends of the bracket (23) being arranged on flanges (24b, 25b) on which the deflection rollers (24, 25) are stored.
2. Karde nach Anspruch 1 , dadurch gekennzeichnet, dass der Bügel2. Card according to claim 1, characterized in that the bracket
(23) ein erstes und ein zweites Ende aufweist, die im Bereich der Umlenkrollen (25, 26) angeordnet sind, wobei der Bügel (23) zumindest einen Teilabstand zwischen den Umlenkrollen (24, 25) bogenförmig überbrückt. (23) has a first and a second end, which are arranged in the area of the deflection rollers (25, 26), the bracket (23) bridging at least a partial distance between the deflection rollers (24, 25) in an arc shape.
3. Karde nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein erstes Ende des Bügels (23) drehbar ausgebildet ist und das zweite Ende eine Auflage (23b) aufweist, das auf einem Einstellelement aufliegt. 3. Card according to claim 1 or 2, characterized in that a first end of the bracket (23) is rotatable and the second end has a support (23b) which rests on an adjusting element.
4. Karde nach Anspruch 3, dadurch gekennzeichnet, dass das zweite Ende des Bügels (23) durch die Spannung des Zugmittels auf das Einstellelement gedrückt wird. 4. Card according to claim 3, characterized in that the second end of the bracket (23) is pressed onto the adjusting element by the tension of the traction means.
5. Karde nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass das Einstellelement als Exzenter (32) ausgebildet ist, das mit der Auflage (23b) des Bügels (23) zusammenwirkt. 6. Karde nach Anspruch 1 , dadurch gekennzeichnet, dass der Bügel5. Card according to claim 3 or 4, characterized in that the adjusting element is designed as an eccentric (32) which cooperates with the support (23b) of the bracket (23). 6. Card according to claim 1, characterized in that the bracket
(23) ausgebildet ist, mit seinem ersten Ende mit einer definierten Kraft um einen Drehpunkt (31 ) verschwenkt zu werden, um die Spannung des Zugmittels einzustellen. 7. Karde nach Anspruch 6, dadurch gekennzeichnet, dass die definierte Kraft am zweiten Ende des Bügels (23) eingeleitet wird, wobei die verschwenkte Position des Bügels (23) durch ein Verspannen des Exzenters (32), der sich mit der Auflage (23b) des Bügels (23) in Kontakt befindet, fixiert wird. (23) is designed to be pivoted with its first end with a defined force about a pivot point (31) in order to adjust the tension of the traction means. 7. Card according to claim 6, characterized in that the defined force is introduced at the second end of the bracket (23), the pivoted position of the bracket (23) being braced by the eccentric (32) which is connected to the support (23b ) of the bracket (23) is in contact, is fixed.
8. Karde nach Anspruch 6, dadurch gekennzeichnet, dass die definierte Kraft mit einem Hebel (33) und einem Gewicht (34) erzeugt wird, die zur Einstellung der Spannung des Zugmittels im Bereich des zweiten Endes des Bügels (23) an der Karde montierbar sind. 8. Card according to claim 6, characterized in that the defined force is generated with a lever (33) and a weight (34) which can be mounted on the card to adjust the tension of the traction means in the region of the second end of the bracket (23) are.
9. Karde nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Bügel (23) zumindest zwei weitere Umlenkrollen (26, 27) zur Führung des Zugmittels aufweist. 10. Karde nach Anspruch 9, dadurch gekennzeichnet, dass zwischen den Umlenkrollen (26, 27) zwei weitere Umlenkrollen (28, 29) und/oder ein Führungselement (35) am Bügel angeordnet sind. 9. Card according to one of the preceding claims, characterized in that the bracket (23) has at least two further deflection rollers (26, 27) for guiding the traction means. 10. Card according to Claim 9, characterized in that two further deflection rollers (28, 29) and / or a guide element (35) are arranged on the bracket between the deflection rollers (26, 27).
EP20725701.5A 2019-06-06 2020-05-12 Card with revolving flats Active EP3980589B1 (en)

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Application Number Priority Date Filing Date Title
DE102019110670.2A DE102019110670A1 (en) 2019-06-06 2019-06-06 Card with a revolving lid
PCT/EP2020/063145 WO2020244892A1 (en) 2019-06-06 2020-05-12 Card having a revolving flat

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EP3980589A1 true EP3980589A1 (en) 2022-04-13
EP3980589B1 EP3980589B1 (en) 2023-07-05

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CN (1) CN113994035B (en)
DE (1) DE102019110670A1 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US857713A (en) * 1906-07-20 1907-06-25 Batten Hayes Company Traveling-flat carding-engine.
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CN113994035A (en) 2022-01-28
CN113994035B (en) 2023-02-21
WO2020244892A1 (en) 2020-12-10
EP3980589B1 (en) 2023-07-05
BR112021023653A8 (en) 2022-08-30
DE102019110670A1 (en) 2020-12-10
BR112021023653A2 (en) 2022-01-04

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