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EP0186741B1 - Dispositif pour le nettoyage des cylindres palpeurs - Google Patents

Dispositif pour le nettoyage des cylindres palpeurs Download PDF

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Publication number
EP0186741B1
EP0186741B1 EP85112891A EP85112891A EP0186741B1 EP 0186741 B1 EP0186741 B1 EP 0186741B1 EP 85112891 A EP85112891 A EP 85112891A EP 85112891 A EP85112891 A EP 85112891A EP 0186741 B1 EP0186741 B1 EP 0186741B1
Authority
EP
European Patent Office
Prior art keywords
scraper
flange
movable
scraper blade
sensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85112891A
Other languages
German (de)
English (en)
Other versions
EP0186741A1 (fr
Inventor
Robert Demuth
Anton WÜEST
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0186741A1 publication Critical patent/EP0186741A1/fr
Application granted granted Critical
Publication of EP0186741B1 publication Critical patent/EP0186741B1/fr
Expired legal-status Critical Current

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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
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/06—Arrangements in which a machine or apparatus is regulated in response to changes in the volume or weight of fibres fed, e.g. piano motions
    • 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
    • D01G15/76—Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
    • D01G15/80—Arrangements for stripping cylinders or rollers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations

Definitions

  • the present invention relates to a device and a use of the latter for cleaning scanning cylinders according to the preamble of patent claim 1.
  • British Patent No. 1,193,437 discloses rollers by means of which seeds or other foreign material which are present in a nonwoven of textile fibers are ground and thereby facilitate the removal of such impurities from the nonwoven.
  • Scraper blades are provided for cleaning the roller surfaces, which abut continuously on the lateral surfaces of the rollers.
  • British Patent No. 2,071,723 relates to a scraper arrangement in which a blade rests on the roller to be treated due to the weight of the scraper arrangement and can be lifted off the roller by rotating about an axis arranged parallel to the roller. It has a multiplicity of swivel plates, by means of which, together with an air cushion, the blade is to be adapted to the irregularities of the roller surface.
  • EP-A-0 015 121 also discloses a cleaning device for the surface of rotating, smooth rollers, in which scrapers are provided for cleaning, which are intermittently brought into contact with the outer surface of the sensing cylinder.
  • the means defined in the characterizing part of claim 1 are provided according to the present application. This gives you the advantages of proper cleaning of both the bottom of the groove and the side walls of the measuring groove and significantly less wear on both the feeler cylinder and the scraping blades. Since the latter are only used for an indefinite period, they also need to be serviced less often.
  • Fig. 1 two feeler cylinders 11, 12 of a feeler cylinder pair are shown, which are rotatable about the axes 13, 14.
  • One of the disks 15, 16 is attached to each sensing cylinder 11, 12.
  • the radius of each of the disks 15, 16 is greater than that of the cylinder 11, 12 assigned to them.
  • each cylinder 11, 12 has a flange-like circular disk 17 and 18 along its circumference, the widths of which are shown by the dotted lines.
  • the end faces 19, 20 of the cylinder 11 and the end faces 21 and 22 of the cylinder 12 lie in two mutually parallel planes 23, 24. Between the cylinders 11 and 12 there is a continuous fiber sliver.
  • the scraper 26 is used to clean the feeler cylinder 11.
  • the scraper 26 comprises a drive cylinder 27 with a piston 28 movable therein and a piston rod 29.
  • the latter carries a scraper blade 30 attached to it.
  • This has the shape of an elongated, flat plate. It is shown in FIG. 1 in the scraping position and in FIG. 2 in its position moved away from the scraping position. From Fig. 1 it can be seen that the scraping blade 30 abuts in its scraping position on the lateral surface of the cylinder 11 and on the side wall of the flange-like disk 17 located on the side of this cylinder 11.
  • a return spring 31 is also provided for the piston 28.
  • a screw-on cover 32 is attached over the cylinder 27.
  • the line 33 serves to supply a pressure medium into the interior of the drive cylinder 27.
  • support members 34, 35 are also provided. These are fastened to a holder 36, which is provided in particular for carrying the cylinder 27.
  • the feeler cylinders 11, 12, biased against each other by means not shown, rotate about their axes 13, 14 and thereby move the sliver 25 running between them.
  • One cylinder rotates about a fixed axis, while the second cylinder rotates perpendicular to its axis of rotation Direction is movable.
  • the sliver 25 is held together laterally by the flange-like disks 17, 18. The more fibers the sliver 25 has, i.e. the denser it is, the less it is compressed by the cylinders 11, 12 and the more the sensing cylinders 11, 12 are moved apart. The fewer fibers the band 25 has, the less dense it is and the closer the feeler cylinders 11, 12 move together under the effect of their pretension.
  • the thickness of the fiber sliver 25 is thus measured by means of the mutual distance between the feeler cylinders 11, 12 and a signal dependent on the thickness is formed by means not shown. This can e.g. B. to control the fiber feed to compensate for the sliver 25.
  • the means used for these processes are not shown in the drawing and have nothing to do with the present invention.
  • a scraper 26 is provided for cleaning the cylinder 11.
  • the cleaning takes place in such a way that the scraper blade 30 of the scraper 26 is moved intermittently into contact with the lateral surface of the cylinder 11 and again away from it.
  • a pressure medium is pressed periodically via the line 33 into the interior of the drive cylinder 27 and the piston 28 is thereby moved against the tension of the return spring 31.
  • the scraping blade 30 is pressed against the outer surface of the scanning cylinder 11, as a result of which it is cleaned. If the pressure is released again by the medium, the return spring 31 causes the scraper blade 30 to move away from its scraping position.
  • the piston 28 can also be moved back by pneumatic or hydraulic means.
  • the groove formed by the flange-like disks 17, 18, in which the sliver 25 passes can be formed in that on one of the two sensing cylinders, e.g. B. on the cylinder 11, on each of its end faces 19, 20 a flange-like disc is attached, but no such are provided on the cylinder 12.
  • the scraper blade must be brought into contact with the lateral surface of the cylinder with the two flange-like disks in a movement parallel to the end faces of the feeler cylinders. If the side walls of the groove are also to be cleaned, the scraper must be given a rectangular shape, so that, when immersed in the groove, the scraper cleans both the outer surface to be cleaned and the inner side walls of the groove at the same time.
  • one disk 15 is attached to the end face 20 of the feeler cylinder 11 and the other disk 16 to the end face 21 of the feeler cylinder 12 to form a groove for the fiber sliver 25.
  • the arrangement of the scraper 26 has an oblique position in which the axis of the piston rod 29 is relative the planes 23, 24 are angled at an angle a.
  • the scraper blade 30 is advantageously also given a shape angled by this angle a, as shown in FIG. 1.
  • This embodiment has the advantage that when the scraper blade 30 bears against the lateral surface of the cylinder 11, this at the same time, i.e. in a single movement, can also be brought into contact with the side wall of the flange-like disc 17, which is located on the side of the cylinder 11, and so that these two surfaces can be cleaned simultaneously.
  • the two edges 37, 38 of the scraper blade 30, which are in contact in this case, form the right angle, which is designated in FIG. 1 with the sign used for right angles.
  • the angle a which the straight line 39 forms with the planes 23, 24, can be between 5 ° and 30 °. This also applies to the angled part of the scraping blade 30.
  • the relatively high precision of the blade width is not necessary, which must be present in the embodiment in which both flange-like disks are located on the same sensing cylinder.
  • the blade 30 is pierced between the front ends of the support members 34 and 35.
  • at least one support member is designed to be elastically flexible. In the example shown in FIG. 2, this is the case with the organ 35.
  • the support member 34 is made of a solid material and thus serves in particular for support taking into account the direction of rotation of the cylinder 11 with the disk 17 indicated by an arrow.
  • Removing the impurities is not a problem because only small amounts are generated during the individual cleaning movements. If you want to prevent them from falling on any undesired spot, you can use suitable means, e.g. B. be removed by suction. But it can e.g. B. an arrangement can also be used in which the end faces of the feeler cylinders are arranged horizontally. In this case, the contaminants can fall to the floor without any disadvantage.
  • the scrapers 26 are arranged horizontally, the scraping blades 30 coming to rest in a laterally lying region of the lateral surfaces of the scanning cylinders 11, 12.
  • This arrangement also has the advantage that the pressure of the scraper 26 has practically no influence on the position of the movable of the feeler cylinders and thus on the thickness measurement of the sliver.
  • the thickness of the scraper can be, for example, 0.5 millimeter (mm).
  • the size of the space between the free ends of the support members 34, 35 is between 0.1 mm and 0.4 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Cleaning In General (AREA)

Claims (11)

1. Dispositif pour le nettoyage des cylindres tâteurs d'une paire de cylindres tâteurs servant à mesurer l'épaisseur d'un ruban de fibres, et à former un signal proportionnel à l'épaisseur du ruban, cylindres tâteurs dont les surfaces frontales sont situées dans deux plans parallèles l'un à l'autre et sont prétendues l'une contre l'autre, avec une distance variable les séparant l'une par rapport à l'autre, dispositif dans lequel le ruban de fibres est guidé entre les surfaces d'enveloppe des cylindres tâteurs et, par cela, il est soumis à une pression, dispositif dans lequel des disques en forme de flasque, reposant contre les surfaces frontales des cylindres tâteurs, forment ensemble une rainure dans le lieu de pression du ruban, et dans lequel un racleur est prévu pour le nettoyage de chacune de ces surfaces d'enveloppe, et que des moyens sont prévus pour mettre, d'une manière intermittante, les racleurs (26) en contact avec les surfaces d'enveloppe des cylindres tâteurs (11) qui leur sont adjoints, lorsqu'ils sont en position de raclage, et de les retirer de cette position de raclage,
caractérisé par le fait qu'un des disques en forme de flasque (17) se trouve sur l'un des cylindres tâteurs (11) et que l'autre disque en forme de flasque (18) se trouve sur l'autre cylindre tâteur (12), que chaque racleur (26) comprend une lame racleuse (30) qui repose sur la surface d'enveloppe de son cylindre tâteur (11) et repose sur la paroi latérale du disque en forme de flasque se trouvant à côté du cylindre tâteur (11), lorsque le racleur (26) est dans sa position de raclage.
2. Dispositif selon revendication 1, caractérisé par le fait que chacune des lames racleuses (30) est formée comme une plaque plane qui est portée à une de ses extrémités par un porteur (29), que l'extrémité libre de la plaque (30) possède deux arêtes racleuses (37, 38) se trouvant perpendiculaires l'une par rapport à l'autre et qui, dans leur position de raclage, reposent sur l'enveloppe du cylindre respectivement sur la paroi latérale du disque en forme de flasque (17).
3. Dispositif selon revendication 2, caractérisé par le fait que le porteur (29) est constitué par une tige (29) mobile dans le sens de son axe longitudinal, et qui est disposée en biais par rapport aux cylindres tâteurs (11, 12), mais parallèle à une droite (39) qui passe par le point d'intersection des arêtes racleuses (37, 38) se trouvant à angle droit l'une par rapport à l'autre, et partageant cet angle droit.
4. Dispositif selon revendication 3, caractérisé par le fait que l'élément racleur (30) possède une forme pliée dans laquelle, pour une des arêtes racleuses (37) à angle droit, deux arêtes de l'élément racleur (30), qui sont perpendiculaires à cette arête, sont pliées à une distance donnée par rapport à cette arête racleuse (37), afin de s'étendre d'une manière parallèle à la droite (39) qui passe par le point d'intersection des arêtes racleuses (37, 38) se trouvant à angle droit l'une par rapport à l'autre, et partageant cet angle droit.
5. Dispositif selon revendication 2, caractérisé par le fait que l'extrémité libre de la lame racleuse (30) est mobile dansson mouvement allant dans la position de raclage, où elle doit passer entre des organes de soutien (34, 35) qui se rapprochent l'un contre l'autre dans la direction de ce mouvement, et dans le mouvement sortant de la position de raclage et revenant à nouveau en dehors des organes de soutien (34, 35), qu'au moins un organe de soutien (35) est formé flexible élastiquement, et que, lorsque le racleur est sorti en dehors des extrémités dirigées l'une contre l'autre de l'organe de soutien (34, 35), il reste entre celles-ci une distance qui est plus petite que l'épaisseur de la lame racleuse (30).
6. Dispositif selon revendication 3, caractérisé par le fait que le porteur (29) est formé par une tige de piston qui est mise en mouvement à l'aide d'un piston (28) mobile dans un cylindre de commande (27).
7. Dispositif selon revendication 6, caractérisé par le fait que la lame racleuse (30) est mue pneumatiquement dans la position de raclage, à l'aide du piston (28), et que le piston (28) est prétendu par un ressort de rappel (31) dans le sens dans lequel le mouvement en retour de la lame racleuse (30) s'effectue en s'éloignant de la position de raclage.
8. Dispositif selon revendication 1, caractérisé par le fait que, avec une disposition perpendiculaire et l'un au-dessus de l'autre des cylindres tâteurs (11, 12) , le contact des racleurs avec la surface d'enveloppe de leur cylindre se réalise dans une zone latérale de la surface d'enveloppe.
9. Dispositif selon revendication 3, caractérisé par le fait que la droite (39) forme, avec les plans (23, 24) parallèles l'un par rapport à l'autre, un angle (a) compris entre 5° et 30°.
10. Dispositif selon revendication 5, caractérisé par le fait que l'épaisseur de la lame racleuse (30) est d'environ 0,5 mm, et que la distance entre les extrémités dirigées l'une contre l'autre des organes de soutien (34, 35) est comprise entre 0,1 mm et 0,4 mm, lorsque la lame racleuse (30) est mise en dehors de ces extrémités.
11. Utilisation du dispositif selon revendication 1, caractérisée par le fait que la relation entre la durée des intervalles de nettoyage des racleurs (26) et la durée des intervalles de position de repos de ceux-ci est située entre 1 : 15 et 1 : 360.
EP85112891A 1984-12-10 1985-10-11 Dispositif pour le nettoyage des cylindres palpeurs Expired EP0186741B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH584684 1984-12-10
CH5846/84 1984-12-10

Publications (2)

Publication Number Publication Date
EP0186741A1 EP0186741A1 (fr) 1986-07-09
EP0186741B1 true EP0186741B1 (fr) 1988-09-21

Family

ID=4300277

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85112891A Expired EP0186741B1 (fr) 1984-12-10 1985-10-11 Dispositif pour le nettoyage des cylindres palpeurs

Country Status (6)

Country Link
US (1) US4820350A (fr)
EP (1) EP0186741B1 (fr)
JP (1) JPS61140814A (fr)
CN (1) CN1004890B (fr)
DE (1) DE3565131D1 (fr)
IN (1) IN166341B (fr)

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WO1999058749A1 (fr) 1998-05-13 1999-11-18 Maschinenfabrik Rieter Ag Machine traitant une matiere textile et dotee d'un bac d'etirage
US6578841B2 (en) 2001-06-27 2003-06-17 Pitney Bowes Inc. Cleaning apparatus for rollers used in feeding systems
EP2324805B1 (fr) 2003-02-12 2013-11-13 The Procter & Gamble Company Partie centrale absorbante pour un article absorbant
ES2314137T3 (es) 2003-02-12 2009-03-16 THE PROCTER & GAMBLE COMPANY Pañal comodo.
GB2454301B (en) 2007-06-18 2012-03-28 Procter & Gamble Disposable absorbent article with sealed absorbent core with substantially continuously distributed absorbent particulate polymer material
CN101677889A (zh) 2007-06-18 2010-03-24 宝洁公司 具有大体上连续地分配的吸收性颗粒状聚合物材料的一次性吸收制品及方法
JP2011518648A (ja) 2008-04-29 2011-06-30 ザ プロクター アンド ギャンブル カンパニー 耐歪み性のコアカバーを備える吸収性コアの作製プロセス
EP2329803B1 (fr) 2009-12-02 2019-06-19 The Procter & Gamble Company Appareil et procédé pour le transfert d'un matériau à particules
EP3287110B1 (fr) 2011-06-10 2019-03-20 The Procter and Gamble Company Procede de fabrication des structures absorbantes pour articles absorbants
CA3042501C (fr) 2011-06-10 2020-06-23 The Procter & Gamble Company Une epaisseur centrale absorbante pour couches jetables comportant des canaux longitudinaux
EP2532329B1 (fr) 2011-06-10 2018-09-19 The Procter and Gamble Company Procédé et appareil pour la fabrication de structures absorbantes à partir d'un matériau absorbant
PL2532332T5 (pl) 2011-06-10 2018-07-31 The Procter And Gamble Company Pieluszka jednorazowego użytku o zredukowanym połączeniu pomiędzy wkładem chłonnym a warstwą spodnią
ES2459724T3 (es) 2011-06-10 2014-05-12 The Procter & Gamble Company Método y aparato para hacer estructuras absorbentes con material absorbente
CN103607989B (zh) 2011-06-10 2017-05-24 宝洁公司 用于吸收制品的吸收结构
MX2013014596A (es) 2011-06-10 2014-01-24 Procter & Gamble Centro de absorbente para articulos absorbentes desechables.
RU2635070C2 (ru) 2012-11-13 2017-11-08 Дзе Проктер Энд Гэмбл Компани Абсорбирующие изделия с каналами и знаками
EP2740449B1 (fr) 2012-12-10 2019-01-23 The Procter & Gamble Company Article absorbant à haute teneur en matériau absorbant
PL2740452T3 (pl) 2012-12-10 2022-01-31 The Procter & Gamble Company Wyrób chłonny o wysokiej zawartości materiału chłonnego
EP2740450A1 (fr) 2012-12-10 2014-06-11 The Procter & Gamble Company C'ur absorbant à haute teneur en matériau superabsorbant
US9216118B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US9216116B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels
US10639215B2 (en) 2012-12-10 2020-05-05 The Procter & Gamble Company Absorbent articles with channels and/or pockets
US8979815B2 (en) 2012-12-10 2015-03-17 The Procter & Gamble Company Absorbent articles with channels
DE202014011107U1 (de) 2013-06-14 2017-12-15 The Procter & Gamble Company Bei Nässe Kanäle bildender absorbierender Artikel und absorbierender Kern
EP3038578B1 (fr) 2013-08-27 2019-08-07 The Procter and Gamble Company Articles absorbants disposant de canaux
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
US11207220B2 (en) 2013-09-16 2021-12-28 The Procter & Gamble Company Absorbent articles with channels and signals
EP2851048B1 (fr) 2013-09-19 2018-09-05 The Procter and Gamble Company Noyaux absorbants ayant des zones exemptes de matériau
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
EP2905001B1 (fr) 2014-02-11 2017-01-04 The Procter and Gamble Company Procédé et appareil de fabrication d'une structure absorbante comprenant des canaux
EP2949300B1 (fr) 2014-05-27 2017-08-02 The Procter and Gamble Company Âme absorbante pourvue d'un motif de matériau absorbant
DE112016001247T5 (de) 2015-03-16 2017-12-07 The Procter & Gamble Company Absorptionsartikel mit verbesserter stärke
CA2985807A1 (fr) 2015-05-12 2016-11-17 The Procter & Gamble Company Article absorbant avec adhesif cƒur-feuille de support ameliore
EP3302387B1 (fr) 2015-05-29 2020-11-18 The Procter and Gamble Company Articles absorbants à rainures et indicateur d'humidité
EP3167859B1 (fr) 2015-11-16 2020-05-06 The Procter and Gamble Company Noyaux absorbants ayant des zones exemptes de matériau
EP3238676B1 (fr) 2016-04-29 2019-01-02 The Procter and Gamble Company Noyau absorbant avec profil de distribution de matériau absorbant
EP3238678B1 (fr) 2016-04-29 2019-02-27 The Procter and Gamble Company Noyau absorbant avec des lignes de pliage transversales
KR102472281B1 (ko) * 2019-01-25 2022-12-01 주식회사 엘지에너지솔루션 전극의 압연 롤 세정장치 및 세정방법
CN117998759B (zh) * 2024-03-05 2024-11-05 成都鸿睿光电科技有限公司 适用于led的修复设备及修复方法

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Also Published As

Publication number Publication date
EP0186741A1 (fr) 1986-07-09
US4820350A (en) 1989-04-11
CN1004890B (zh) 1989-07-26
JPH0584442B2 (fr) 1993-12-02
CN85108211A (zh) 1986-05-10
JPS61140814A (ja) 1986-06-27
IN166341B (fr) 1990-04-14
DE3565131D1 (en) 1988-10-27

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