EP0618318B1 - Apparatus for mounting of working elements - Google Patents
Apparatus for mounting of working elements Download PDFInfo
- Publication number
- EP0618318B1 EP0618318B1 EP94810151A EP94810151A EP0618318B1 EP 0618318 B1 EP0618318 B1 EP 0618318B1 EP 94810151 A EP94810151 A EP 94810151A EP 94810151 A EP94810151 A EP 94810151A EP 0618318 B1 EP0618318 B1 EP 0618318B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- bearing
- carrier
- cap
- working element
- 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
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
- D01G15/24—Flats or like members
Definitions
- the invention relates to a device for fastening working elements, in particular a fixed carding element, with respect to a rotating, fiber-dissolving roller (CH-A-358 722).
- the object of the invention is now to achieve equally precise distances within a narrow tolerance range more easily than according to the devices described above.
- FIG. 1 shows a fiber-dissolving roller 1 - here an anvil roller - with the needles, pins or Sawtooth set is not visible here.
- the roller 1 is mounted with its shafts 2 in bearing bushes 4. The right part of the shaft 2 is shown cut off, since it is further connected to a drive, not shown.
- the axis of the roller 1 is designated 3.
- a roller bearing 5, which can be a roller bearing or a needle bearing, is shown purely schematically in the bushing 4.
- On the sleeves 4, an attachment 6 is visible on which a working element 7, here a fixed carding element, is attached.
- the fixed carding element 7 consists of a carrier 8 and one or more combing inserts 9.
- the carrier 8 is screwed onto the attachment 6 with screws (not shown).
- the attachment 6 is prismatic in the region of the carding element 7, that is to say the connecting surfaces with the carrier 8 are in line with the surfaces of an n-square prism.
- the carrier 8 is made of a drawn aluminum profile and has cavities 10 so that the stability is ensured and at the same time the heat generated during operation can be dissipated sufficiently.
- On the left side of the carrier 8 there is a knockout knife 11 which is fastened to the carrier 8 with two Allen screws 12. Slits are not visible in the discharge knife 11, with which the exact position of the knife tip with respect to the saw tooth set of the roller 1 can be adjusted. As can be seen in FIG.
- the carrier 8 is also prismatic, at least in the area of the attachment 6, as a result of which the carrier 8 is automatically positioned precisely with respect to the attachment 6.
- the attachment 6 is in one piece with the bearing bush 4, which is usually formed from cast iron.
- the attachment 6 is a separate part that is screwed onto the bearing bush 4 is.
- this solution has the disadvantage that a less precise spacing of the working elements with respect to the roller is possible because the screw connection brings with it further tolerances.
- the accuracy required without adjustment can be achieved in the embodiment shown because the support of the combing inserts or combing elements 9 lies exactly in the same or in a plane parallel to it as the support of the carrier 8 on the bearing bushes 4.
- the surfaces of the attachment 6 could be at least partially prismatic, but recesses could also be provided in the carrier 8. These recesses can be, for example, angular grooves, for which purpose congruent elements are provided on the attachment 6.
- prismatic design is preferred because of the simplicity of the solution.
- the attachment 6 could, however, also be provided on the carrier 8 and corresponding cuts on the bearing bush 4 in order to meet the aforementioned condition.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zur Befestigung von Arbeitselementen, insbesondere eines Festkardierelementes, bezüglich einer drehenden, faserauflösenden Walze (CH-A-358 722).The invention relates to a device for fastening working elements, in particular a fixed carding element, with respect to a rotating, fiber-dissolving roller (CH-A-358 722).
Es ist bei Spinnereivorbereitungsmaschinen bekannt, dass die Arbeitselemente, wie Ausscheidemesser, Festkardierelemente oder dergleichen, direkt auf dem Maschinengestell befestigt werden und mit Einstellmitteln, wie exzentrisch gelagerten Scheiben, Schlitzen, Unterlagsscheiben oder dergleichen bezüglich einer drehenden Walze auf den richtigen Abstand eingestellt werden. Diese Einstellungen sind sehr aufwendig und müssen regelmässig in mehreren Teilschritten durchgeführt werden, da eine Verstellung des Einstellmittels und ein nachheriges Fixieren durch eine Schraube wieder eine leichte Verschiebung der vorzunehmenden Einstellung, das heisst des Abstandes mit sich bringt. Für solche Einstellungen ist es notwendig, mit Blattlehren und ähnlichen Arbeitsmitteln die Abstände in einem immer enger werdenden Toleranzbereich genau einzuhalten.It is known in spinning preparation machines that the working elements, such as separating knives, fixed carding elements or the like, are attached directly to the machine frame and are adjusted to the correct distance with respect to a rotating roller using adjusting means, such as eccentrically mounted discs, slots, washers or the like. These settings are very complex and have to be carried out regularly in several steps, since an adjustment of the setting means and subsequent fixing with a screw again results in a slight shift in the setting to be made, that is to say the distance. For such settings, it is necessary to use sheet gauges and similar tools to keep the distances within an increasingly narrow tolerance range.
Insbesondere in Zusammenhang mit dem Briseur der Karde hat es sich in der Vergangenheit als ausserordentlich mühsam und aufwendig erwiesen, die erforderlichen Einstellungen zu erzielen. Wie aus dem "Handbuch der textilen Fertigung - Die Kurzstapelspinnerei - Band 2: Putzerei und Karderie" (Herausgeber: The Textile Institute) auf Seite 60 (deutschsprachige Ausgabe) zu entnehmen ist, muss,,man zur Einstellung der Teile unter dem Vorreisser diesen entfernen und durch eine Lehre in Pendelform ersetzen. Dabei muss der Radius der Lehre genau dem des Vorreissers entsprechen". Nachdem das Einstellen anhand der Lehre an beiden Seiten der Karde durchgeführt wurde, musste man die Pendellehre wieder entfernen und den Vorreisser montieren, so dass er die vorherige Position der Lehre gegenüber den nun eingestellten Arbeitselementen einnimmt.In the past, especially in connection with the card's breeze, it has proven to be extremely difficult and time-consuming to achieve the required settings. As can be seen from the "Manual of textile production - Die Kurzstapelspinnerei - Volume 2: Putzerei und Karderie" (publisher: The Textile Institute) on page 60 (German edition), you have to remove the parts under the licker-in to set the parts and replace it with a pendulum-shaped gauge. The radius of the gauge must correspond exactly to that of the licker-in. "After the adjustment was carried out on both sides of the card using the gauge, the pendulum gauge had to be removed again and the licker-in installed so that the previous position of the gauge compared to the one now set Occupies work elements.
Die Erfindung stellt sich nun die Aufgabe, ebenso genaue Abstände innerhalb eines engen Toleranzbereiches einfacher zu erreichen als nach den vorhergehend beschriebenen Vorrichtungen.The object of the invention is now to achieve equally precise distances within a narrow tolerance range more easily than according to the devices described above.
Diese Aufgabe wird durch die Merkmale im Kennzeichen des Patentanspruchs 1 gelöst.This object is achieved by the features in the characterizing part of
Wegen der Fertigungstoleranzen hat man es bisher als notwendig erachtet, die vorgeschriebenen Arbeitsabstände mittels Einstellmitteln wie Unterlagsscheiben, Schlitzen, Schrauben usw. erst bei der Montage einzustellen. Da nun die Herstellung von faserauflösenden Walzen wie Stiftwalzen, mit Sägezähnen versehenen Garniturwalzen oder Nadelwalzen mit immer grösserer Präzision vorgenommen werden kann, ist der äussere Umfang nahezu ideal zylindrisch und sind die Toleranzen im Durchmesser minimal. Diese Erkenntnis hat den Erfinder dazu veranlasst, nach neuen Mitteln zu suchen, um die Arbeitselemente präziser bezüglich der Walzen anordnen zu können. Eine passgenaue Befestigung des Arbeitselementes auf den Lagerbuchsen der drehenden Walzen hat neben dem Vorteil, dass nunmehr weniger Bauteile benötigt sind, auch den unter anderem enormen Vorteil, dass mit wesentlich weniger Arbeitsaufwand - d.h. mit viel weniger Einstellarbeiten - eine Textilmaschine gefertigt werden kann.Because of the manufacturing tolerances, it has previously been considered necessary to set the prescribed working distances by means of adjusting means such as washers, slots, screws, etc. only during assembly. Since the production of fiber-dissolving rollers such as pin rollers, saw rollers with set teeth or needle rollers can now be carried out with ever greater precision, the outer circumference is almost ideally cylindrical and the tolerances in diameter are minimal. This finding prompted the inventor to look for new means to arrange the work elements more precisely with respect to the rollers. A precisely fitting fastening of the working element on the bearing bushes of the rotating rollers has the advantage, in addition to the fact that fewer components are now required, and the enormous advantage, among other things, that with significantly less work - i.e. with much less adjustment work - a textile machine can be manufactured.
Weitere Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in welcher die Erfindung anhand eines in den Zeichnungen dargestellten Beispieles näher erläutert wird.Further advantages of the invention result from the following description, in which the invention is explained in more detail with reference to an example shown in the drawings.
Es zeigt:
- Fig.1
- eine schematische Teilansicht einer faserauflösenden Walze mit einem Querschnitt durch ein Festkardierelement, und
- Fig. 2
- einen Schnitt in Richtung A-A in
Figur 1 durch die Lagerbuchse und das Arbeitselement.
- Fig. 1
- is a schematic partial view of a fiber-resolving roller with a cross section through a fixed carding element, and
- Fig. 2
- a section in the direction AA in Figure 1 through the bearing bush and the working element.
In Figur 1 ist eine faserauflösende Walze 1 - hier Briseurwalze - gezeigt, wobei die Nadeln, Stifte oder Sägezahngarnitur hier nicht sichtbar ist. Die Walze 1 ist mit ihren Wellen 2 in Lagerbuchsen 4 gelagert. Der rechte Teil der Welle 2 ist abgeschnitten dargestellt, da sie weiter mit einem nicht dargestellten Antrieb verbunden ist. Die Achse der Walze 1 ist mit 3 bezeichnet. Rein schematisch ist in der Buchse 4 ein Wälzlager 5 dargestellt, das ein Rollenlager oder ein Nadellager sein kann. Auf den Buchsen 4 ist jeweils ein Aufsatz 6 sichtbar auf denen ein Arbeitselement 7, hier ein Festkardierelement, befestigt ist. Das Festkardierelement 7 besteht aus einem Träger 8 und einem oder mehreren Kämmeinsätzen 9. Der Träger 8 ist mit nichtdargestellten Schrauben auf dem Aufsatz 6 angeschraubt.FIG. 1 shows a fiber-dissolving roller 1 - here an anvil roller - with the needles, pins or Sawtooth set is not visible here. The
In Figur 2 sind dieselben Elemente wie in Figur 1 mit denselben Bezugszeichen dargestellt. Wie aus dieser Figur ersichtlich, ist der Aufsatz 6 im Bereich des Kardierelementes 7 prismatisch ausgebildet, das heisst die Verbindungsflächen mit dem Träger 8 sind übereinstimmend mit den Flächen eines n-eckigen Prismas. Der Träger 8 ist aus einem gezogenen Aluminiumprofil und besitzt Hohlräume 10, damit die Stabilität gewährleistet ist und gleichzeitig die im Betrieb entstehende Wärme genügend abgeleitet werden kann. Auf der linken Seite des Trägers 8 ist ein Ausscheidemesser 11 angeordnet, das mit zwei Inbusschrauben 12 auf dem Träger 8 befestigt ist. Nicht sichtbar sind Schlitze in dem Ausscheidemesser 11, womit die genaue Position der Messerspitze bezüglich der Sägezahngarnitur der Walze 1 eingestellt werden kann. Der Träger 8 ist, wie in Figur 2 ersichtlich, zumindest im Bereich des Aufsatzes 6 ebenfalls prismatisch ausgebildet, wodurch eine genaue Positionierung des Trägers 8 bezüglich des Aufsatzes 6 automatisch erfolgt. Wie ersichtlich aus Figur 2 ist der Aufsatz 6 einstückig mit der Lagerbuchse 4, die üblicherweise aus Gusseisen ausgebildet ist. Es kann jedoch auch sein, dass der Aufsatz 6 ein separates Teil ist, das auf der Lagerbuchse 4 aufgeschraubt ist. Diese Lösung hat aber den Nachteil, dass dadurch ein weniger genauer Abstand der Arbeitselemente bezüglich der Walze möglich ist, da die Schraubverbindung weitere Toleranzen mit sich bringt. Die ohne Einstellung erforderliche Genauigkeit kann bei der gezeigten Ausführung deshalb erreicht werden, weil die Auflage der Kämmeinsätze oder Kämmelemente 9 genau in derselben oder in einer genau dazu parallelen Ebene liegt wie die Auflage des Trägers 8 auf den Lagerbuchsen 4. Für eine solche Genauigkeit ist es nicht unbedingt notwendig, dass die Flächen des Aufsatzes 6 mindestens teilweise prismatisch ausgebildet sind, sondern es könnten auch Ausnehmungen in dem Träger 8 vorgesehen sein. Diese Ausnehmungen können beispielsweise eckige Hohlkehlen sein, wozu auf dem Aufsatz 6 kongruente Elemente vorgesehen sind. Jedoch wird die prismatische Ausbildung wegen der Einfachheit der Lösung bevorzugt. Der Aufsatz 6 könnte jedoch auch auf dem Träger 8 und dementsprechende Einschliffe auf der Lagerbuchse 4 vorgesehen sein, um die vorgenannte Bedingung zu erfüllen.In Figure 2, the same elements as in Figure 1 are shown with the same reference numerals. As can be seen from this figure, the
Claims (9)
- An apparatus for attaching working elements, in particular a fixed carding element (7), with respect to a rotating fibre-opening roller (1), characterized in that the working element (7) is attached on the bearing bushes (4) of the roller (1) by means of a cap (6) encompassing at least partially the bearing bush in such a way that the position of the working element with respect to the roller is determined exactly.
- An apparatus as claimed in claim 1, characterized in that the cap (6) is made in one piece either with the bearing bush (4) or the working element (7).
- An apparatus as claimed in claim 1 or 2, characterized in that the cap (6) is attached by means of surfaces either to the bearing bush (4) or to the working element (7).
- An apparatus as claimed in claim 3, characterized in that the cap (6) is arranged at least partially prismatically.
- An apparatus as claimed in claims 1 to 4, characterized in that the working element (6) comprises a fixed carding element consisting of a carrier (8) and at least one combing insert (9).
- An apparatus as claimed in claim 3 and 5, characterized in that the caps (6) are attached by means of bearing surfaces to the bearing bushes (4) and that the bearing surface of the combing insert (9) lies in the same plane as does the bearing surface of the carrier (8) on the bearing bushes (4) or in a plane exactly parallel to the same.
- An apparatus as claimed in claim 5 or 6, characterized in that the carrier (8) is made of a profile with hollow chambers (10).
- An apparatus as claimed in claim 5,6 or 7, characterized in that a separating knife (11) is also attached to the carrier (8), with the exact position of the tip of the knife being adjustable with respect to the roller (1).
- An apparatus as claimed in one of the preceding claims, characterized in that the roller (1) is the licker-in of a card.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH97993 | 1993-03-30 | ||
CH979/93 | 1993-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0618318A1 EP0618318A1 (en) | 1994-10-05 |
EP0618318B1 true EP0618318B1 (en) | 1997-10-08 |
Family
ID=4199653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94810151A Expired - Lifetime EP0618318B1 (en) | 1993-03-30 | 1994-03-09 | Apparatus for mounting of working elements |
Country Status (4)
Country | Link |
---|---|
US (1) | US5471710A (en) |
EP (1) | EP0618318B1 (en) |
CN (1) | CN1098750A (en) |
DE (1) | DE59404242D1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5685047A (en) * | 1993-03-30 | 1997-11-11 | Maschinenfabrik Rieter Ag | Apparatus for attaching working elements |
EP0810309B1 (en) | 1996-05-20 | 2004-09-29 | Maschinenfabrik Rieter Ag | Arrangement for the processing of fibres |
EP0894878A3 (en) | 1997-07-30 | 2000-04-19 | Maschinenfabrik Rieter Ag | Flock cleaner |
DE19907288A1 (en) † | 1999-02-22 | 2000-08-24 | Rieter Ag Maschf | teasel |
DE10231829B4 (en) * | 2002-07-15 | 2019-12-12 | Trützschler GmbH & Co Kommanditgesellschaft | Device on a card, carding machine, cleaning machine o. The like. For cotton with at least one Abscheidemesser |
WO2007071087A1 (en) * | 2005-12-21 | 2007-06-28 | Maschinenfabrik Rieter Ag | Carding bar for a carding machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR652484A (en) * | 1928-01-27 | 1929-03-08 | Rosary card | |
DE609287C (en) * | 1933-06-18 | 1935-02-12 | Rieter Joh Jacob & Cie Ag | Device for adjusting the running curve for the revolving flat of cards |
CH358722A (en) * | 1957-01-03 | 1961-11-30 | A Rusca Ralph | Carding machine |
GB1582405A (en) * | 1978-01-19 | 1981-01-07 | Dixie Yarns | Apparatus for blending and paralleling textile fibres |
AR242999A1 (en) * | 1986-05-14 | 1993-06-30 | Guindin David | Improvements made to a machine for combing raw material textiles. |
DE59101373D1 (en) * | 1990-09-17 | 1994-05-19 | Rieter Ag Maschf | Device for guiding a revolving cover of a card or card. |
-
1994
- 1994-03-09 EP EP94810151A patent/EP0618318B1/en not_active Expired - Lifetime
- 1994-03-09 DE DE59404242T patent/DE59404242D1/en not_active Expired - Lifetime
- 1994-03-29 US US08/219,383 patent/US5471710A/en not_active Expired - Lifetime
- 1994-03-29 CN CN94103826A patent/CN1098750A/en active Pending
Non-Patent Citations (1)
Title |
---|
W. Klein, Die Kurzstapelspinnerei, The Textile Institute, Handbuch der textilen Fertigung, ISBN Nr. 3-908-05901-1, Bd. 2, Seite 60 * |
Also Published As
Publication number | Publication date |
---|---|
CN1098750A (en) | 1995-02-15 |
DE59404242D1 (en) | 1997-11-13 |
EP0618318A1 (en) | 1994-10-05 |
US5471710A (en) | 1995-12-05 |
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