EP0340458B1 - Appareil pour dépoussiérer une carde - Google Patents

Appareil pour dépoussiérer une carde Download PDF

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Publication number
EP0340458B1
EP0340458B1 EP89105757A EP89105757A EP0340458B1 EP 0340458 B1 EP0340458 B1 EP 0340458B1 EP 89105757 A EP89105757 A EP 89105757A EP 89105757 A EP89105757 A EP 89105757A EP 0340458 B1 EP0340458 B1 EP 0340458B1
Authority
EP
European Patent Office
Prior art keywords
air
air collecting
conduit
branches
card
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 - Lifetime
Application number
EP89105757A
Other languages
German (de)
English (en)
Other versions
EP0340458A1 (fr
Inventor
Heinz Nitschke
Werner Hauschild
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
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Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0340458A1 publication Critical patent/EP0340458A1/fr
Application granted granted Critical
Publication of EP0340458B1 publication Critical patent/EP0340458B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • D01G15/763—Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area by suction or blowing

Definitions

  • the invention relates to a device for dusting a card, according to the preamble of the first claim.
  • the card in addition to the carding function, the card also has the function of removing impurities from the cotton wool fed in. These are primarily fine impurities, since the coarse impurities were removed by the blowroom machines before the card.
  • This method of removing impurities includes, in a manner known per se, suction at those points at which impurities are removed from the material fed in.
  • the disadvantage is that the relatively long flexible hoses largely cover the card side, so that if maintenance work has to be carried out on this side, essentially all hoses together with the connection box have to be dismantled in order to release the card side for maintenance work.
  • Another disadvantage is the air resistance of the relatively long hoses.
  • the object of the invention is therefore to find a device which on the one hand releases the card side for maintenance work in a few simple steps and on the other hand keeps the flow resistance of the entire air duct as small as possible.
  • the invention is not to show where and how such dirt is excreted, but rather a device described below, by means of which the suction points, which are in themselves, are guided by air lines 6 onto a card end face 7 and on this side with one each Roll membrane 8 are provided as an elastic outlet mouth of the air lines 6 so that a removable air manifold 9 can be connected to it.
  • the rolling membranes 8 are usually made of elastic rubber, so that when the air collecting lines 9 are pressed against the rolling membranes 8, they can yield as far as is necessary for a good seal between all rolling membranes 8 and the air collecting line 9.
  • the air collecting line 9 has on both sides with a view of FIG. 2 seen, a hook 10 each, which is received by a provided on a cover wall 18 described later clamping device 11 (Fig. 2 and 3).
  • This tensioning device 11 (only one is shown in FIG. 3) has a counter hook 12 which engages in the hook 10 and is pivotably mounted in a cylindrical bearing bush 13, which is slidably and rotatably supported in one part in a slideway 14.
  • the slideway is provided in a guide element 43 which is firmly connected to the cover wall 18.
  • the part of the bearing bush 13 which is not guided in the slideway 14 is connected to one end of a connecting rod 15 which is pivotally held at the other end in a rocker arm 16 which in turn is pivotally received in a support 17 which is fixedly connected to the cover wall 18 is.
  • the tensioning device 11 functions in the sense of a tension lock, ie, when the rocker arm 16 is in the operating position and rests on the cover wall 18, the force acting on the hook 12 cannot open the rocker arm 16, but must be opened manually by pivoting the lever 16 away happen from the cover wall 18.
  • the cover wall 18 is in turn part of a housing 19, which also comprises a side wall 20 on which the air lines 6 and thus the rolling membranes 8 are held.
  • Fig. 1 u. 2 As from Fig. 1 u. 2 can be seen, 2 such housings are provided to the left and the air lines right, with a view of Fig. 1 u. 2 seen to record the drum 2.
  • the housing 19 are firmly connected to the card 1.
  • the air collecting line 9 comprises a left branch 21 and a right branch 22, viewed with a view of the figures, which unite in the exhaust air line 23.
  • Each branch of the air manifold has an end wall 24, which essentially forms a flat connection surface for the rolling membranes 8.
  • suction openings 25 are provided which are arranged congruently with the rolling membranes 8.
  • the air manifold 9 is housed in a chassis 26 which is movable by means of swivel casters 27.
  • handles are arranged on the chassis 26 in order to manually move the air collecting lines 9 from the position shown in FIG. 2 to an operating position (not shown) in which the end wall 24 lies closely against the rolling membranes 8, and the The counter hook 12 of each tensioning device 11 has taken the corresponding hook 10 of the air collecting lines, and the rocker arm 16 is pivoted against the cover wall 18 in order to create a tight connection between the rolling membranes 8 and the end wall 24.
  • the exhaust air line 23 is connected to an exhaust fan (not shown), which in turn transfers its exhaust air to a filter (not shown).
  • Fan and filter are part of the known prior art and are therefore not described in detail. It should only be mentioned that the fan and possibly also the filter could be provided on the chassis 26.
  • the hooks 10 In order to position the air collecting line 9 exactly when the chassis 26 is being moved, the hooks 10 have a guide surface 28 which is pushed onto the cover wall 18 with a small amount of play, for example 2-3 mm, so that the roller membranes 8 cover the suction openings 25.
  • FIG. 6 shows an air manifold 29, the air manifold branches 30 and 31 of which are stepped in the direction of flow of the air flowing therein such that the air speed is essentially the same over the entire length of the branch.
  • 31 can also be designed in such a way that a small increase in air speed, for example by one meter per second, occurs after each air inlet becomes.
  • the horizontal part 33 of the air manifold branch 30 and the horizontal part 34 of the air manifold branch 31 have a cross section which guarantees that the air speed in this horizontal part never drops below a given speed which is necessary in order to avoid that parts settle down from the air flow and on the wall of the horizontal part 33 respectively. 34 stay put.
  • the air manifold 29 is accommodated in the same way as the air manifold 9 in the chassis 26, which is indicated by dash-dotted lines.
  • FIG. 7 shows an air manifold 35 which, in contrast to the air manifold 9, has air manifold branches 36 and 37 directed upwards (as seen in FIG. 7), so that the air flow and thus also the separated dirt is conveyed downward, so that there is no danger settling of the extracted dirt.
  • the horizontal parts 38 and 38, respectively. 39 of the air manifold branches 36 resp. 37 also provided with a cross section, which prevents dirt from being excreted and remains in these horizontal parts.
  • the horizontal parts 38 and 39 open into a riser pipe 40, which in turn opens into the exhaust air pipe 23.
  • the air manifold 35 is received by the chassis 26, which in turn is indicated by dash-dotted lines.
  • Another variant for making the air collection lines movable is that the air collection line itself is pivotally attached (not shown) to the card, so that the card end face 7 is released for the maintenance work mentioned by pivoting away.
  • the tensioning device 11 can be dispensed with because the sealing edge 42 lies tight against the end wall 24 if there is negative pressure in the suction system arises.

Landscapes

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

Claims (11)

  1. Dispositif pour dépoussiérer une carde (1) avec plusieurs points d'aspiration, prédéterminés dans le nombre, se trouvant dans la carde, dont l'air aspiré est dirigé sur un côté (7) de la carde (1) à l'aide de conduites d'air (6),
    caractérisé par le fait que
    chaque conduite d'air (6) possède une embouchure de sortie (8) sur le côté cité (7),
    qu'une conduite collectrice d'air (9; 29; 35), pouvant être éloignée, est pourvue d'un nombre d'ouvertures d'aspiration (25) correspondant au nombre d'embouchures de sortie (8), et peut être raccordée auxdites embouchures de sortie (8).
  2. Dispositif selon revendication 1,
    caractérisé par le fait que
    les embouchures de sortie (8) sont prévues sous forme de membranes en rouleaux élastiques (8).
  3. Dispositif selon revendication 1,
    caractérisé par le fait que
    la conduite collectrice d'air (9; 29; 35) est réceptionnée dans un chassis de déplacement (26).
  4. Dispositif selon revendication 1,
    caractérisé par le fait que
    la conduite collectrice d'air (9; 29; 35) possède des éléments de guidage (28), afin de garantir le positionnement exact de la conduite collectrice d'air par rapport aux embouchures de sortie (8).
  5. Dispositif selon revendication 1,
    caractérisé par le fait que
    les conduites d'air sont réceptionnées dans un carter (19) afin d'agencer rigidement les embouchures de sortie (8).
  6. Dispositif selon revendication 5,
    caractérisé par le fait que
    chaque carter (19) est pourvu d'un dispositif de tension (11) au moyen duquel la conduite collectrice d'air (9; 29; 35) est maintenue de telle sorte que des ouvertures d'aspiration (25), prévues dans la conduite collectrice d'air, coïncident avec les membranes en rouleaux (8), et les membranes en rouleaux (8) reposent d'une manière étanche sur la conduite collectrice d'air.
  7. Dispositif selon revendication 1,
    caractérisé par le fait que
    les ramifications (30 et 31) de conduite collectrice d'air sont étagées de telle sorte que la vitesse ascendante de l'air reste essentiellement constante dans ces ramifications.
  8. Dispositif selon revendication 7,
    caractérisé par le fait que
    les parties horizontales (33, 34) des ramifications (30, 31) de conduite collectrice d'air possèdent une section qui évite que des particules de saletés ne soient séparées du courant d'air.
  9. Dispositif selon revendication 7,
    caractérisé par le fait que,
    vu dans le sens d'écoulement de l'air, un diaphragme (32) réglable est prévu au début de chaque ramification (30, 31) de conduite collectrice d'air.
  10. Dispositif selon revendication 1,
    caractérisé par le fait que
    la conduite collectrice d'air (35) est disposée de telle manière que l'écoulement d'air se fait vers le bas dans les ramifications (36, 37) de conduite collectrice d'air.
  11. Dispositif selon l'une des revendications précédentes,
    caractérisé par le fait que
    la vitesse d'air dans les parties horizontales (33, 34; 38, 39) est plus élevée que dans les ramifications verticales (30, 31; 36, 37) de conduite collectrice d'air.
EP89105757A 1988-04-29 1989-04-01 Appareil pour dépoussiérer une carde Expired - Lifetime EP0340458B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1609/88 1988-04-29
CH160988 1988-04-29

Publications (2)

Publication Number Publication Date
EP0340458A1 EP0340458A1 (fr) 1989-11-08
EP0340458B1 true EP0340458B1 (fr) 1993-08-11

Family

ID=4214434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89105757A Expired - Lifetime EP0340458B1 (fr) 1988-04-29 1989-04-01 Appareil pour dépoussiérer une carde

Country Status (4)

Country Link
US (1) US4985966A (fr)
EP (1) EP0340458B1 (fr)
JP (1) JPH01314735A (fr)
DE (1) DE58905213D1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03180517A (ja) * 1989-12-06 1991-08-06 Mas Fab Rieter Ag カード
JP3082969B2 (ja) * 1990-09-17 2000-09-04 ツリュツラー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト 木綿繊維用のカード、クリアラ機械などに設ける装置
GB9115881D0 (en) * 1991-07-23 1991-09-04 Carding Spec Canada Card engine guard
EP0583219B1 (fr) * 1992-07-23 1996-01-10 Maschinenfabrik Rieter Ag Machine de cardage ou de nettoyage avec un appareil d'aspiration
EP0585196B1 (fr) * 1992-08-04 1998-03-11 Maschinenfabrik Rieter Ag Enveloppe d'une machine de cardage
US5259092A (en) * 1992-10-13 1993-11-09 John D. Hollingsworth On Wheels, Inc. Method and apparatus for cleaning carding flats
DE19522154A1 (de) * 1995-06-19 1997-01-02 Rieter Ag Maschf Verfahren zum Betrieb einer Karde und Absaugeinrichtung zur Durchführung des Verfahrens
EP0894878A3 (fr) 1997-07-30 2000-04-19 Maschinenfabrik Rieter Ag Nettoyeur de flocons
US6145166A (en) * 1997-07-30 2000-11-14 Maschinenfabrik Rieter Ag Trash elimination apparatuses for fiber cleaning aggregates
DE59810482D1 (de) 1997-10-01 2004-01-29 Rieter Ag Maschf Schleifen von garnituren
DE59914337D1 (de) 1998-09-09 2007-06-21 Rieter Ag Maschf Schleifen von Garnituren
DE10143671A1 (de) * 2001-09-06 2003-03-27 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde, Reinigungsmaschine o.dgl. für Textilmaterial
US11078655B2 (en) * 2019-02-19 2021-08-03 B/E Aerospace, Inc. Vacuum waste system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2284750A (en) * 1941-05-07 1942-06-02 Spring Packing Corp Delinting waste puller
US2857627A (en) * 1954-01-16 1958-10-28 Thoma Company G M B H Strand suction arrangement for carding engines
US2984263A (en) * 1960-03-10 1961-05-16 Grinnell Corp Method and apparatus for collecting lint and fly
US3142856A (en) * 1961-12-20 1964-08-04 Grinnell Corp Textile machinery cleaning apparatus and method
FR2300828A1 (fr) * 1975-02-14 1976-09-10 Devauze Ets Pr
DE2658441C2 (de) * 1976-12-23 1986-09-11 Stahlecker, Fritz, 7347 Bad Überkingen Offenend-Spinnmaschine mit wenigstens einer verfahrbaren Wartungseinrichtung
US4198731A (en) * 1977-10-31 1980-04-22 John D. Hollingsworth On Wheels, Inc. Carding machine cleaning apparatus
US4227285A (en) * 1979-02-02 1980-10-14 Marvin Hamrick Textile card cleaning apparatus
DE3365852D1 (en) * 1982-06-12 1986-10-09 Carding Spec Canada Improvements relating to carding engines

Also Published As

Publication number Publication date
US4985966A (en) 1991-01-22
JPH01314735A (ja) 1989-12-19
EP0340458A1 (fr) 1989-11-08
DE58905213D1 (de) 1993-09-16

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