EP1227179B1 - Garniture de carde - Google Patents
Garniture de carde Download PDFInfo
- Publication number
- EP1227179B1 EP1227179B1 EP20020001334 EP02001334A EP1227179B1 EP 1227179 B1 EP1227179 B1 EP 1227179B1 EP 20020001334 EP20020001334 EP 20020001334 EP 02001334 A EP02001334 A EP 02001334A EP 1227179 B1 EP1227179 B1 EP 1227179B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- clothing
- carding
- tip
- sets
- 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.)
- Revoked
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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
- D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
- D01G15/86—Card clothing; Manufacture thereof not otherwise provided for with flexible non-metallic backing
Definitions
- the invention relates to a wire set for textile machines, in particular for carding, with a tip, wherein the wire set towards the top two wedge-shaped converging Having side surfaces, and a method for its preparation.
- the invention refers in particular to wire sets for stationary flat bars or for revolving flat bars of revolving flat aggregates in Karden.
- the carding process of the carding machine plays a crucial role in spinning technology. It influences the quality of the produced yarn as well as no other sub-process the productivity of spinning.
- the carding of flakes is done with the help of Clothings.
- the use of suitable trimmings is required decisive. Thanks to the continuous development of trimmings, could In recent years or decades, the productivity of carding constantly improved become. This development has led to the fact that today one of the individual work elements the card used different sets. These trimmings have very different characteristics and are based on the particular subprocess in the Carding optimized.
- two groups of sets can be distinguished: Wire sets and steel wire sets. With the wire sets differs the Literature additionally between flexible and semi-rigid trimmings.
- In this application are under wire sets "therefore basically both flexible and semi-rigid To understand trimmings.
- the invention according to this application is exclusively concerned with wire sets, on all-steel sets is therefore only in the following on the edge.
- carding of fiber flakes is intended and primarily involves the dissolution of the flakes in individual fibers and the alignment and parallelization of the fibers.
- carding fulfills further functions: the further cleaning of the fibers (dust and dirt removal), the dissolution (or reduction) of nits (which actually corresponds to the single-fiber dissolution), the precipitation of short fibers and a mixture (homogenization) of the processed fibers.
- the carding process takes place in the card at different points or on different working elements of the machine.
- the carding is made possible by the interaction of two sets. In principle, a distinction is made between the arrangement of the sets between two positions: the carding and the removal position. A carding effect is basically achieved by both positions (?).
- FIG. 3 shows schematically how the carding process takes place.
- the teeth of the sets 2 and 3 are arranged in Kardier too and move against each other (shown schematically by v1 and v2).
- the figure shows two all-steel sets, the process works but basically with any clothing types that are in Kardier too each other. Instead of the all-steel set 2 so a wire set could be shown.
- the figure shows how a fiber 1 adheres to the tooth 4 of the clothing 3 (eg the clothing of the spool) and is thereby transported. If the free end of the fiber 1 is detected or touched by one or more teeth of the opposing clothing 2, the fiber 1 of the clothing 2 experiences a tensile force F1. This tensile force is transmitted from the free end of the fiber to the end of the tooth 4 (tensile force F2).
- the force component A presses the fiber against the clothing and holds them there. It contributes decisively to the carding process. It is it that holds the fibers to the teeth or tops of the trimmings and thus allows the trimmings to dissolve and align the fibers, more or less like a comb.
- the force component B is a pull-in force which pulls the fiber 1 into the clothing.
- the present invention relates to wire sets for cards (see Figures 5 and 6). Such trimmings are mainly to be found in stationary flat bars or in the revolving flat bars of revolving deck aggregates.
- the invention is not limited to this application for wire sets.
- the wire sets are, as described above, in Kardier ein to the all-steel sets of the spool.
- the most important functions of the card, the single fiber dissolving, the stretching and parallelization of the fibers, are brought about by the interaction between the spool set and the cover set or by their carding work.
- Carding also has a cleaning function, namely short fiber, dirt and dust removal. There must therefore be enough space between the individual wire sets to allow the deposition of dirt (which must be removed periodically).
- the wire sets of the lid therefore contribute significantly to the Kardierarbeit the card.
- the fibers should stick to the all-steel clothing of the main cylinder and be aligned or carded by the wire clothing of the cover.
- the retention capacity of the all-steel clothing of the spool must therefore be greater than the retention capacity of the cover wire sets.
- the wire sets should only card the fibers and not hold, ie only touch so far that they are aligned. Fiber flakes or nits should remain hanging on the wire sets only insofar as they are resolved by the increased retention capacity of the all-steel set of the spool in individual fibers, the individual fibers are transported by the all-steel set.
- the wire sets of the covers would have to have a small attack surface, ie be needle-shaped. That is, they should ideally have a punctiform tip and the smallest possible cross-section without sharp edges (as in the Ganzstahlgamitur), so that the retention capacity is limited as possible.
- a small attack surface ie be needle-shaped. That is, they should ideally have a punctiform tip and the smallest possible cross-section without sharp edges (as in the Ganzstahlgamitur), so that the retention capacity is limited as possible.
- Too thin a wire set has the tendency of the load can not withstand and deform.
- very thin wire sets can be poorly inserted into the fabric or plastic layers, for example, are stabbed.
- wire sets are nowadays provided with a side cut in their work area (ie at the top).
- the figure 7 shows a wire set 14 in different views with such a side grinding 11.
- the ground sides those surface areas of the wire set to understand that are not frontally in carding 15, but are approximately normal to it.
- the clothing lace goes over to a sharp degree 17.
- the individual wire sets are first introduced into the fabric layer and then ground on the sides of the tip.
- the front attack surface can be reduced to a minimum, but retains the necessary stability thanks to the elongated cross section in the carding direction (see Figure 7).
- Wire harnesses are often made of flat wire, round wire or a biconvex wire and have a (unprocessed) diameter in the width B (ie transverse to the carding, see Figure 7) of 0.33 mm to 0.255 mm.
- Figure 5 shows typical semi-rigid trimmings 8. These are embedded in single or multi-layer, less elastic fabric or plastic layers 9.
- These semi-rigid trimmings 8 consist of flat wire, biconvex wire or round wire, can be bent in a U-shape (ie as Doppelophchen, see figure) and have a top with a side cut 10.
- the wire sets When using flat wire, the wire sets usually have no knee 11, at Biconvex - or round wire versions are common both with and without knee.
- the presence of a knee is irrelevant.
- Semi-rigid trimmings is as mentioned in less elastic or deeper tissue or plastic layers 9 embedded. As a result, the wire can bend less and hardly move. The semi-rigid trimmings 8 can therefore yield less under load than the elastic trimmings described below. The trimmings are also mostly cured. 6 shows flexible sets 12. These flexible sets 12 are individually (not shown) or as a U-shaped DoppelHokchen in elatic, possibly multi-layer fabric layers 13 pierced (more elastic layers than the fabric layers 9).
- the flexible sets 12 may consist of flat wire, biconvex or round wire.
- Figure 6 shows sets of flat wire with side grinding. If flat wire is used as shown in the figure, the wire sets usually have no knee, with the use of biconvex or round wire versions are also common with knee. The trimmings are often hardened.
- the invention can typically be applied to sets, ie wire sets, according to FIGS. 5 and 6, but is not limited thereto.
- the term "wire set” is understood to mean both semi-rigid sets 8 and flexible sets 12. The application of the invention idea relates to such "wire sets”.
- the term “wire clothing” is in particular not to be understood as all-wire sets with sawtooth wire, as shown for example in FIGS. 1, 2, 3 and 4.
- the inventive concept can not be applied to such all-steel sets.
- the wire sets must not have too high a retention capacity, but they should card the fibers.
- the wire sets of the lid must therefore have the lowest possible attack surface, for example, be needle-shaped with a point-shaped tip.
- the tips of the wire sets maintain their optimal shape (low attack surface due to sharp point). Due to the constant carding of fiber material, the tips in the working area of the wire sets wear off over time and become dull. An example of such a blunt clothing lace is shown in FIG.
- a device grinds the wire sets more than 100 times, but much less aggressively.
- the life of the clothing is thereby increased significantly.
- the service life of the wire sets is therefore influenced by the aggressiveness and frequency of re-grinding.
- the object of the present invention is therefore to make a wire set such that it is rarely serviced, ie must be reground.
- the inclination angle ⁇ at least one of the two side surfaces 11 has an amount that is less than 5 Degree is, more preferably it is less than 4.5 degrees.
- the so-called side grinding usually goes at the maximum to the so-called knee of the needle 11, i. until the needle is broken. This corresponds to a height of about 3 mm from the top of the wire clothing away.
- the wire set have as usual a standard wire width B across the carding direction of 0.255 to 0.33 mm. This results in a minimum angle of inclination ⁇ from 2.43 to 3,148, depending on the wire size.
- the idea of the invention therefore comprises a wire set for textile machines, in particular for carding machines, with a point, wherein the wire set has two wedge-shaped side surfaces tapering toward the tip, the side surfaces having a vertical height h of at least 3 mm towards the point of clothing.
- the side surfaces preferably have a vertical height h of 3 mm to 4.5 mm towards the clothing tip.
- the inventive idea can also be expressed by the angle of inclination of the ground side surface.
- the inclination angle ⁇ of at least one of the two side surfaces must have the following value: Wire widths B across the carding direction (see figures for value B): Inclination angle ⁇ less than or equal to: Up to 0.255 mm 2.43 degrees Between 0.255 and 0.28 mm 2.43 degrees Between 0.28 and 0.305 mm 2.7 degrees Between 0.305 and 0.33 mm 2.91 degrees Over 0.33 mm 3.15 degrees
- Preferred values for the angle of inclination ⁇ are, depending on the wire thickness, i. Width B, 2.43 degrees, 2.67 degrees or 2.91 degrees or 3.15 degrees.
- Wire set according to one of the preceding claims characterized that the clothing additionally has an undercut.
- the inventive idea also includes the process for the production of these wire sets for textile machines.
- the tips of the wire set are on one or both sides with a lateral grinding (side grinding) are provided so that the garnish to the top has two wedge-shaped converging side surfaces, further the side grinding is carried out so that the lateral grinding resulting side surface or Side surfaces have a height h (see, for example, Figure 9 for h) of 3 mm to 4.5 mm, preferably 3.5 mm to the clothing tip out.
- h see, for example, Figure 9 for h
- the suitable wire set corresponds to the previous versions. It may consist of flat wire, round wire, or particularly preferably biconvex wire.
- the wire diameter transverse to the carding direction B is preferably in the range of 0.255 to 0.33 mm and in the carding direction from 0.355 to 0.43 mm.
- the wire set is not an all-steel set (eg according to FIGS. 1 or 2). It is not a saw tooth set.
- the wire set has a knee and / or one or more shoulders.
- the wire clothing according to the invention is preferably used in stationary flat bars and / or in revolving flat bars of a revolving flat aggregate of a carding machine.
- the upper part of the wire clothing can be equipped with a shoulder 17.
- FIG. 13 shows two further possible variants which comprise the invention become.
- the figure shows two clothing tips, which only on one side a side cut have received.
- the other side has virtually an inclination angle ⁇ of zero on.
- the one variant also has a shoulder.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Claims (10)
- Garniture en fil de fer pour machines textiles, notamment pour cardes, comprenant une pointe, la garniture en fil de fer présentant en direction de la pointe deux surfaces latérales convergeant l'une vers l'autre en forme de cône, caractérisée en ce que les surfaces latérales présentent une hauteur verticale h d'au moins 3 mm en direction de la pointe de la garniture.
- Garniture en fil de fer pour machines textiles selon la revendication 1, caractérisée en ce que les surfaces latérales présentent une hauteur verticale h de 3 mm à 4,5 mm en direction de la pointe de la garniture.
- Garniture en fil de fer pour machines textiles, notamment pour cardes, comprenant une pointe, la garniture en fil de fer présentant en direction de la pointe deux surfaces latérales convergeant l'une vers l'autre en forme de cône,
caractérisée en ce que,
pour une largeur de fil de fer B transversalement au sens de cardage allant jusqu'à 0,255 mm, au moins une des deux surfaces latérales présente un angle d'inclinaison α inférieur ou égal à 2,43 degrés ou,
pour une largeur de fil de fer B transversalement au sens de cardage allant de 0,255 à 0,28 mm, au moins une des deux surfaces latérales présente un angle d'inclinaison α inférieur ou égal à 2,43 degrés ou,
pour une largeur de fil de fer B transversalement au sens de cardage allant de 0,28 à 0,305 mm, au moins une des deux surfaces latérales présente un angle d'inclinaison α inférieur ou égal à 2,7 degrés ou,
pour une largeur de fil de fer B transversalement au sens de cardage allant de 0,305 à 0,33 mm, au moins une des deux surfaces latérales présente un angle d'inclinaison α inférieur ou égal à 2,91 degrés ou
pour une largeur de fil de fer B transversalement au sens de cardage dépassant 0,33 mm, au moins une des deux surfaces latérales présente un angle d'inclinaison α inférieur ou égal à 3,15 degrés. - Garniture en fil de fer pour machines textiles selon l'une quelconque des revendications précédentes, caractérisée en ce que la garniture présente en outre un dégagement.
- Procédé de fabrication de garnitures en fil de fer pour machines textiles, notamment pour cardes, dans lequel les pointes de la garniture en fil de fer sont pourvues unilatéralement ou bilatéralement d'une taille latérale (taille de côté), de sorte que la garniture présente en direction de la pointe deux surfaces latérales convergeant l'une vers l'autre en forme de cône, caractérisé en ce que la taille latérale est réalisée de manière à ce que la surface latérale ou les surfaces latérales obtenues par la taille latérale présentent une hauteur de 3 mm à 4,5 mm, de préférence 3,5 mm, en direction de la pointe de la garniture.
- Procédé selon la revendication 5, caractérisé en ce qu'après ou avant la taille latérale, on réalise aussi un dégagement.
- Garniture en fil de fer pour machines textiles selon l'une quelconque des revendications précédentes, caractérisée en ce que la garniture en fil de fer est composée de fil de fer plat, de fil de fer rond ou de manière particulièrement préférentielle de fil de fer biconvexe.
- Procédé selon la revendication 7, caractérisé en ce que la garniture en fil de fer peut présenter un diamètre de fil de fer allant de 0,255 mm à 0,33 mm transversalement au sens de cardage B et de 0,355 à 0,43 mm dans le sens de cardage.
- Garniture en fil de fer pour machines textiles selon l'une quelconque des revendications précédentes, caractérisée en ce que la garniture en fil de fer peut en outre comporter un genou et/ou un ou plusieurs épaulements.
- Garniture en fil de fer pour machines textiles selon l'une quelconque des revendications précédentes, caractérisée en ce que la garniture en fil de fer est utilisée dans des tiges de couvercle stationnaires et/ou dans des tiges de couvercle mobiles d'un agrégat de couvercle mobile d'une carde.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH131012001 | 2001-01-25 | ||
CH1312001 | 2001-01-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1227179A1 EP1227179A1 (fr) | 2002-07-31 |
EP1227179B1 true EP1227179B1 (fr) | 2005-12-28 |
Family
ID=4389505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020001334 Revoked EP1227179B1 (fr) | 2001-01-25 | 2002-01-18 | Garniture de carde |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1227179B1 (fr) |
DE (1) | DE50205392D1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ306426B6 (cs) * | 2014-10-31 | 2017-01-18 | Technická univerzita v Liberci | Kotouč pro vyčesávání vlasu na povrchu plstěných polotovarů a zařízení pro vyčesávání vlasu na povrchu plstěných polotovarů osazené tímto kotoučem |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10248776B3 (de) * | 2002-10-18 | 2004-09-09 | Hollingsworth Gmbh | Karde mit einer, eine Ganzstahlgarnitur aufweisenden Trommel |
WO2006136479A1 (fr) * | 2005-06-24 | 2006-12-28 | Nv Bekaert Sa | Chapeau de carde dont la garniture de carde comporte un revetement dur |
CH699275B1 (de) * | 2007-06-01 | 2011-05-31 | Rieter Ag Maschf | Flexible Garnitur. |
DE102007037055A1 (de) | 2007-07-24 | 2009-01-29 | Graf + Cie Ag | Drahtgarnitur für eine Textilmaschine |
CN108342793B (zh) * | 2018-03-20 | 2023-11-17 | 武汉纺织大学 | 一种提高纤维梳理质量的盖板针布及梳理机 |
CN108456954B (zh) * | 2018-04-20 | 2023-05-09 | 青岛大学 | 一种双面斜纹道夫针布 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1232172A (fr) * | 1969-11-11 | 1971-05-19 | ||
GB1474889A (en) * | 1973-10-04 | 1977-05-25 | English Card Clothing | Card clothing |
DE2539089A1 (de) * | 1975-09-03 | 1977-03-17 | Skf Kugellagerfabriken Gmbh | Vorreisserwalze mit einer zahngarnitur |
US4537096A (en) * | 1978-09-06 | 1985-08-27 | Hollingsworth John D | Metallic card clothing and method and apparatus for making same |
DE19528976C2 (de) * | 1995-08-07 | 2000-08-10 | Graf & Co Ag | Sägezahndraht für Ganzstahlgarnituren |
-
2002
- 2002-01-18 EP EP20020001334 patent/EP1227179B1/fr not_active Revoked
- 2002-01-18 DE DE50205392T patent/DE50205392D1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ306426B6 (cs) * | 2014-10-31 | 2017-01-18 | Technická univerzita v Liberci | Kotouč pro vyčesávání vlasu na povrchu plstěných polotovarů a zařízení pro vyčesávání vlasu na povrchu plstěných polotovarů osazené tímto kotoučem |
Also Published As
Publication number | Publication date |
---|---|
DE50205392D1 (de) | 2006-02-02 |
EP1227179A1 (fr) | 2002-07-31 |
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