EP3980589B1 - Carte pourvue de chapeaux tournants - Google Patents

Carte pourvue de chapeaux tournants Download PDF

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Publication number
EP3980589B1
EP3980589B1 EP20725701.5A EP20725701A EP3980589B1 EP 3980589 B1 EP3980589 B1 EP 3980589B1 EP 20725701 A EP20725701 A EP 20725701A EP 3980589 B1 EP3980589 B1 EP 3980589B1
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.)
Active
Application number
EP20725701.5A
Other languages
German (de)
English (en)
Other versions
EP3980589A1 (fr
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/fr
Application granted granted Critical
Publication of EP3980589B1 publication Critical patent/EP3980589B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D01G15/28—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 accommodate a large number of flat bars in the area of their end faces and to guide them at least along part of the circumference of a drum of the card, the traction means with the flat bars being guided around two deflection rollers in each case arranged above the side shields of the card, according to the preamble of claim 1.
  • a revolving flat of a card in which the flat bars are arranged on circulating 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 fastened to flanges or structural members.
  • the flanges or structural elements in turn extend from the side plate to the upper sliding guide, as a result of which the space between the rotating flat bars is only freely accessible to a limited extent.
  • the belt or chain can be adjusted using a spring scale by measuring the contact force of a flat bar on the flexible bend or the sliding guide. This is very imprecise and only indirectly indicates the tension of the belt or chain.
  • the U.S. 857,713 discloses a card in which the bracket for deflecting the tension elements to which the flat bars are attached is attached to the frame of the card. This results in a guide for the tension elements in which it is difficult to remove or inspect the flat bars.
  • the CN 204417686 U discloses the attachment of the brackets for deflecting the tension elements on the side plate. An adjustment of the tension elements is therefore very complex.
  • the object of the invention is the further development of a revolving flat for a card, which enables easy access to the flat bars and which enables reproducible adjustability.
  • the card according to the invention has a revolving flat, which comprises at least two traction means, which are designed to receive a large number 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 in each case which are arranged above the side plates of the card, with a bracket being arranged between two deflection rollers in each case, which is designed to accommodate further guide elements for guiding the traction means.
  • the invention is characterized in that the ends of the bracket are arranged on flanges on which the deflection rollers are mounted.
  • the traction means can be in the form of a belt or chain and take up the flat bars in the area of their end faces with pins, plastic elements or other connecting means.
  • the traction means guide the flat rods along their flat travel at least along part of the circumference of a drum, so that fibers between the clothings of the flats and the clothing of the drum are aligned and cleaned in a very small gap.
  • the traction means are each guided around two deflection rollers, with the flat bars being guided out of contact with the fibers or the drum in the area of one deflection roller and being cleaned by means of suction and a brush before they are guided back to the drum in the area of the second deflection roller .
  • At least one roller is designed to drive the traction means with a drive.
  • a bracket is arranged between two deflection rollers in each case and is designed to accommodate further guide elements for guiding the traction means between the upper and lower run of the traction mechanism, a free space that can be used to inspect or remove the flat bars or to clean them.
  • the free space in the area of the side shields is not obstructed with fastening elements on which the bracket is arranged.
  • the bracket preferably has a first and a second end, which are arranged in the area 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 a generous design freedom for the free space between the upper and lower runs of the traction means.
  • a first end of the bracket is rotatable and the second end has a support that rests on an adjustment element.
  • the bracket is easy to assemble, which no longer has to be laboriously assembled and adjusted on the side plate of the card.
  • the adjustment 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.
  • bracket is designed so that its first end can be pivoted about a pivot point with a defined force, 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, 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 leverage.
  • the bracket preferably has at least two further deflection rollers for guiding the traction means, as a result of which little friction acts on the deflection of the traction means.
  • the use of two additional deflection rollers, i.e. a total of four deflection rollers per bracket, enables the use of deflection rollers with a small diameter, as a result of which the free space between the upper and lower runs 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 be easily mounted or can be removed.
  • the free space is also suitable for examining the condition of the flat bars and can be used to clean the revolving flat.
  • the traction mechanism can be tightened reproducibly with the simplest of means.
  • FIG. 1 shows a card 100 according to the prior art, in which fiber tufts are guided via a chute to a feed roller 1, a feed table 2, via a plurality of lickerins 3a, 3b, 3c, to the drum 4 or the spool.
  • the fibers of the fiber tufts are parallelized and cleaned by means of stationary carding elements 20 arranged on a revolving flat 17.
  • the resulting fibrous web is then conveyed via a doffer 5, a doffer roller 6 and several squeezing rollers 7, 8 to a fleece guide element 9, which uses a funnel 10 to shape the fibrous web into a sliver, which is conveyed via take-off rollers 11, 12 to a downstream processing machine or a Pot 15 passes.
  • FIG 2 shows a revolving flat 17 according to the prior art.
  • the revolving flat 17 comprises at least two belts 17a, which are arranged on both sides of the drum 4 and interact in the area of the end faces of the flat bars 20 with pins arranged thereon.
  • each flat bar 20 is fastened on both sides by means of the pins arranged on the front side in a respective belt 17a, which is guided above the side plates 22 and arranged circumferentially.
  • Only one side of the card is shown in the following illustrations, 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 flats 20 are driven along their flat journey.
  • 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 each side of the drum 4 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 adjustment 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 clothings of the flat bars.
  • a cleaning device not designated further, in the form of a rotating brush is arranged on the bracket 23.
  • the flat bars 20 run between the deflection rollers 24 and 25 on the drum 4 over a sliding strip 18 which is arranged on a flexible bend 21 .
  • the flexible bend 21 is arranged on the side plate so that it can be adjusted by means of an adjusting spindle 19 .
  • the sliding bar 18 can be designed to be adjustable at a distance from the flexible bend 21 concentrically to the drum.
  • the carding gap between the drum 4 and the flat bars 20 can be adjusted by adjusting the flexible bend 21 and the slide bar 18 .
  • the flat bars 20 In the embodiment of figure 2 move the flat bars 20 in the region of the drum 4 or the visible side plate 22 against the direction of rotation of the drum 4 to the left, with the flat bars 20 being guided over the sliding strip 18 here.
  • the flat bars 20 After being deflected 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 hanger 23 corresponds to the triangular contour of an inverted clothes hanger, with the adjustment device 23a with the attachment to the side plate 22 being arranged at a central corner (the hanger’s hanger), and the deflection rollers 26 and 27 being rotatably mounted at the other two corners .
  • the arrangement and contour of the bracket 23 has the disadvantage of the complex adjustability of the belt tension and the lack of accessibility in the revolving flat 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 17a, which is not in the area 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 against a second flange 24b with a seat 23b loose on an adjuster 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 form of a bridge which bridges the distance between the flanges 24b, 25b in the form of an arc.
  • the upper side of the bracket 23 is convex and the underside of the bracket 23 is concave, on the one hand to ensure sufficient stability and on the other hand to make the free space between the bracket 23 and the side plate 22 above the drum 4 as large as possible.
  • each bracket 23 is arranged on each bracket 23, with which adequate guidance for each belt 17a is ensured.
  • 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 is rotatably attached at a first end to the flange 25b.
  • the second end of the bracket 23 rests with its support 23b on an adjustment element which is designed as a rotatable eccentric 32 in this exemplary embodiment.
  • a pivot point 24c is arranged on the second flange 24b, to which a two-armed lever 33 can be attached for the adjustment process of the revolving flat 17.
  • the lever 33 has a short lever arm on one side of the pivot point 24c which interacts with the second side of the bracket 23 .
  • a longer lever 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 conjunction with the two-armed lever 33 generates a force against the belt 17a on the second end of the bracket 23, which is thus connected to a reproducible force is clamped.
  • the eccentric 32 is turned and fixed in contact with the support 23b of the bracket 23 .
  • the belt 17a for the revolving flat 17 can thus be tightened on each side of the card 100 in a reproducible manner.
  • the lever 33 with the weight 34 is removed again.
  • any other predefined force loading 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 12 shows the routing of a strap from the rear of the bracket 23 without the strap and without the flat bars.
  • the deflection rollers 24 and 25 can be seen, of which at least one 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.
  • Another 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 on it can be guided on a straight path between the deflection rollers without the weight of the flat bars 20 causing additional tension in the belts 17a lets flow in.
  • the device according to the invention enables easy and reproducible adjustment of the belt tension in the revolving flat 17 achieved, with the design and arrangement of the bracket 23 a large free space is created within the revolving flat, so that cleaning work or the replacement and inspection of flat bars 20 is simplified.

Landscapes

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

Claims (10)

  1. Carde avec un chapeau tournant (17), comprenant au moins deux moyens de traction qui sont configurés pour recevoir une pluralité de barres de chapeau (20) dans la zone de leurs côtés frontaux et les guider au moins le long d'une circonférence partielle d'un tambour (4) de la carde, les moyens de traction avec les barres de chapeau (20) étant guidés autour de deux poulies de renvoi respectives (24, 25), qui sont agencées au-dessus des panneaux latéraux (22) de la carde, un étrier (23) étant agencé entre deux poulies de renvoi respectives (24, 25), lequel est configuré pour recevoir d'autres éléments de guidage (26, 27, 28, 29, 35) pour guider le moyen de traction, caractérisée en ce que les extrémités de l'étrier (23) sont agencées sur des brides (24b, 25b) sur lesquelles sont montées les poulies de renvoi (24, 25).
  2. Carde selon la revendication 1, caractérisée en ce que l'étrier (23) présente une première et une deuxième extrémité qui sont agencées dans la zone des poulies de renvoi (25, 26), l'étrier (23) recouvrant en forme d'arc au moins une distance partielle entre les poulies de renvoi (24, 25).
  3. Carde selon la revendication 1 ou 2, caractérisée en ce que la première extrémité de l'étrier (23) est configurée sous forme rotative et la deuxième extrémité présente un support (23b) qui repose sur un élément de réglage.
  4. Carde selon la revendication 3, caractérisée en ce que la deuxième extrémité de l'étrier (23) est pressée sur l'élément de réglage par la tension du moyen de traction.
  5. Carde selon la revendication 3 ou 4, caractérisée en ce que l'élément de réglage est configuré sous forme d'excentrique (32) qui coopère avec le support (23b) de l'étrier (23).
  6. Carde selon la revendication 1, caractérisée en ce que l'étrier (23) est configuré pour être pivoté avec sa première extrémité autour d'un point de rotation (31) avec une force définie afin de régler la tension du moyen de traction.
  7. Carde selon les revendications 5 et 6, caractérisée en ce que la force définie est introduite à la deuxième extrémité de l'étrier (23), la position pivotée de l'étrier (23) étant fixée par un serrage de l'excentrique (32) qui se trouve en contact avec le support (23b) de l'étrier (23).
  8. Carde selon la revendication 6, caractérisée en ce que la force définie est générée par un levier (33) et un poids (34) qui peuvent être montés sur la carde pour régler la tension du moyen de traction dans la zone de la deuxième extrémité de l'étrier (23).
  9. Carde selon l'une quelconque des revendications précédentes, caractérisée en ce que l'étrier (23) présente au moins deux autres poulies de renvoi (26, 27) pour guider le moyen de traction.
  10. Carde selon la revendication 9, caractérisée en ce qu'entre les poulies de renvoi (26, 27), deux autres poulies de renvoi (28, 29) et/ou un élément de guidage (35) sont agencés sur l'étrier.
EP20725701.5A 2019-06-06 2020-05-12 Carte pourvue de chapeaux tournants Active EP3980589B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019110670.2A DE102019110670A1 (de) 2019-06-06 2019-06-06 Karde mit einem Wanderdeckel
PCT/EP2020/063145 WO2020244892A1 (fr) 2019-06-06 2020-05-12 Carde pourvue d'un chapeau tournant

Publications (2)

Publication Number Publication Date
EP3980589A1 EP3980589A1 (fr) 2022-04-13
EP3980589B1 true EP3980589B1 (fr) 2023-07-05

Family

ID=70682850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20725701.5A Active EP3980589B1 (fr) 2019-06-06 2020-05-12 Carte pourvue de chapeaux tournants

Country Status (4)

Country Link
EP (1) EP3980589B1 (fr)
CN (1) CN113994035B (fr)
DE (1) DE102019110670A1 (fr)
WO (1) WO2020244892A1 (fr)

Family Cites Families (23)

* 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.
GB204744A (en) * 1922-06-08 1923-10-08 Ernest Hubert Isherwood Improvements in and appertaining to carding engines for cotton and the like
DE609287C (de) * 1933-06-18 1935-02-12 Rieter Joh Jacob & Cie Ag Vorrichtung zum Einstellen der Laufbogen fuer die Wanderdeckel von Karden
CH224941A (de) * 1940-03-23 1942-12-31 Ig Farbenindustrie Ag Verfahren und Vorrichtung zur schonenden Behandlung von Fasergut auf einer Deckelkarde.
GB773910A (en) * 1955-02-09 1957-05-01 Hiroshi Ohnishi Carding engine for textile fibres
IT1031656B (it) * 1975-02-11 1979-05-10 Marzoli Ec Spa Flli Carda e cappelli mobili
DE2742015A1 (de) * 1977-09-17 1979-03-29 Truetzschler & Co Wanderdeckel
EP0019455A1 (fr) * 1979-05-18 1980-11-26 Carding Specialists (Canada) Limited Carde et procédé pour le cardage de fibres textiles
DE19825316B4 (de) * 1998-06-05 2009-11-26 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde mit wanderndem Deckel (Wanderdeckel) aus mit Garnitur versehenen Deckelstäben
DE19907288A1 (de) * 1999-02-22 2000-08-24 Rieter Ag Maschf Karde
EP1057904A1 (fr) * 1999-06-01 2000-12-06 Gerhard Mandl Appareil pour loger et positionner des chapeaux fixes sur des machines de cardages
DE10037710A1 (de) * 2000-08-02 2002-02-14 Rieter Ag Maschf Vorrichtung zum Einstellen des Arbeitsspaltes zwischen den Spitzen von Deckelgarnituren und den Spitzen der Trommelgarnitur einer Karde
DE502005007705D1 (de) * 2004-04-26 2009-08-27 Rieter Ag Maschf Federvorrichtung für ein flexibelbogen
CH698689A2 (de) * 2008-03-20 2009-09-30 Rieter Ag Maschf Flexibelbogen für eine Wanderdeckelkarde sowie Wanderdeckelkarde.
CH703251A1 (de) * 2010-06-02 2011-12-15 Rieter Ag Maschf Vorrichtung zur Einstellung eines Kardierspaltes in einer Wanderdeckelkarde.
CN202830275U (zh) * 2012-05-29 2013-03-27 青岛宏大纺织机械有限责任公司 一种曲轨装有护环的梳理机
CN103451779A (zh) * 2013-09-03 2013-12-18 金坛市金阳纺织机械有限公司 梳棉机活动盖板梳理装置
CN104047077B (zh) * 2014-06-15 2018-10-30 卓郎（常州）纺织机械有限公司 梳棉机活动盖板接头自清洁装置
CN204417686U (zh) * 2015-01-16 2015-06-24 青岛东佳纺机（集团）有限公司 一种梳棉机
CN105088428B (zh) * 2015-08-14 2017-10-24 青岛东佳纺机（集团）有限公司 自动供料的羊毛制条成套设备
CN205803658U (zh) * 2016-05-27 2016-12-14 青岛科技大学 梳棉机分梳机构
DE102017118884A1 (de) * 2017-08-18 2019-02-21 TRüTZSCHLER GMBH & CO. KG Karde mit einer Einstellvorrichtung für den Kardierspalt
CN109267189A (zh) * 2018-11-23 2019-01-25 青岛理工大学 一种梳棉机传动系统、传动方法及梳棉机

Also Published As

Publication number Publication date
CN113994035B (zh) 2023-02-21
CN113994035A (zh) 2022-01-28
EP3980589A1 (fr) 2022-04-13
DE102019110670A1 (de) 2020-12-10
BR112021023653A8 (pt) 2022-08-30
BR112021023653A2 (pt) 2022-01-04
WO2020244892A1 (fr) 2020-12-10

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