EP0144607A1 - Plaque de cardage - Google Patents

Plaque de cardage Download PDF

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Publication number
EP0144607A1
EP0144607A1 EP84111943A EP84111943A EP0144607A1 EP 0144607 A1 EP0144607 A1 EP 0144607A1 EP 84111943 A EP84111943 A EP 84111943A EP 84111943 A EP84111943 A EP 84111943A EP 0144607 A1 EP0144607 A1 EP 0144607A1
Authority
EP
European Patent Office
Prior art keywords
disks
tooth
package
carrier
carding plate
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.)
Withdrawn
Application number
EP84111943A
Other languages
German (de)
English (en)
Inventor
Sven-Gunnar Dipl.-Ing. Jacobson
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.)
Hollingsworth GmbH
Original Assignee
Hollingsworth GmbH
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
Priority claimed from DE19833336601 external-priority patent/DE3336601A1/de
Priority claimed from DE3336602A external-priority patent/DE3336602A1/de
Application filed by Hollingsworth GmbH filed Critical Hollingsworth GmbH
Publication of EP0144607A1 publication Critical patent/EP0144607A1/fr
Withdrawn legal-status Critical Current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
    • D01G15/02—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 an elongated carding plate according to the preamble of claim 1.
  • a card is understood to mean any type of card which can have at least one carding plate according to the invention, such as revolving card, card, etc.
  • a carding plate, to which the invention relates is arranged immovably on the card, for example between the licker-in and revolving cover or the like or between the revolving cover or the like and the customer or in some cases also below the reel of the card between the customer and the licker-in , or depending on the card at another suitable place.
  • a carding plate to which the invention relates is attached to the card so that it is relative to one another its longitudinal direction am- bours extends parallel to the rotational axis of the T.
  • the gear box of the carding then extends approximately measured in the direction of the axis of rotation of the drum to its width B e-shock, that is, the working width of the drum.
  • the fitting of the drum is understood to be its hook or teeth set.
  • a carding plate or a plurality of carding plates to which the invention relates can be arranged on a card.
  • the carding plate to which the invention relates is therefore not a rotating roller of the card, but rather a stationary carding plate which does not rotate.
  • This carding plate according to the invention can replace a number of conventional carding plates of a card, which are arranged adjacent, while improving the carding work while at the same time simplifying construction.
  • the carrier can also be made stiffer than the narrower carriers of the carding plates, which each have only one tooth field, which also has a favorable effect on the carding work.
  • the adjustment of the carding plate is simplified and allows make themselves very precise, since their tooth fields no longer require individual adjustment.
  • the disc rows in the direction of rotation of the drum without spacing one behind the other be located. You can touch each other or almost touch each other to compensate for manufacturing tolerances and easier displacement of the rows of disks in the longitudinal direction.
  • This also has a favorable effect on the carding work. Among other things, the development of dust is also reduced, which can make dust extraction unnecessary at this point, and the risk of contamination of the tooth fields and of fiber congestion and fiber blockage is also reduced or completely eliminated.
  • the carding plate according to the invention also avoids the strong air currents, blockages and dirt caused by these distances in the known arrangement of several carding plates at a distance from one another.
  • the carding plate according to the invention can preferably be intended to be arranged on the card instead of a plurality of known carding plates, each having a single tooth field.
  • the total width of the arrangement of tooth fields arranged one behind the other can be substantially larger in the carding plate according to the invention, in general several times larger than the width of the tooth fields of the known card plates having only one tooth field.
  • At least two adjacent tooth fields have teeth of different tooth heights and / or different tooth shapes and / or the number of teeth or tooth pitches of the toothed disks of at least two adjacent toothed wheel rows are different and / or at least two adjacent tooth fields have different tooth densities and / or different straightening angles.
  • the tooth density can preferably be greater in the tambour rotation direction from tooth field to tooth field and / or the tooth heights can be smaller from tooth field to tooth field in the tambour rotation direction and / or the tooth shapes in the tambour rotation direction can be changed from tooth field to tooth field in the sense of finer carding and / or the tooth pitch of the toothed disks can be increased.
  • the likewise possible and particularly advantageous change in the straightening angle of the tooth fields enables lane-free formation of the overall arrangement of the tooth fields of the carding plate. Under is alley-free understood that the overall tooth arrangement has no straight lanes between the teeth which lead from the upstream edge of the overall tooth field arrangement to its downstream edge with respect to the direction of fiber movement.
  • the panes of a package are held together by the at least one clamping device before they are applied to the carrier, they can already be connected to the package forming a structural unit in the manufacturing plant, which makes high precision possible without any problems.
  • the packages can then, for example, only quickly and in the spinning mill on the carrier easy to attach.
  • This combination of the disks of a row of disks into one or more packages also enables the disks of a package to be exchanged for new disks easily, quickly and without problems, by exchanging a corresponding package of new disks for the old package. It often happens that only a limited section of a row of disks has disks to be replaced and the remaining disks of this row of disks are still fully functional, ie do not have to be replaced.
  • the row of disks is formed by a plurality of packets that are aligned with one another. If a limited area of the disks in the row of disks is exchanged, it is then generally sufficient to replace only one or two of these packages and not to replace the remaining packages.
  • the packages also make it possible in a simple manner to arrange the toothed disks of a package which are parallel to one another at an acute angle to the longitudinal direction of the carrier, i. H. to provide an acute-angled straightening angle.
  • the panes can be arranged in any desired directional angle to the longitudinal direction of the package, so that the package has a parallelogram-shaped outline and the corner angles of this parallelogram remain due to the frictional forces between the many panes of such a package even with the carrier receive separate transport of the package and also receive when mounting the package on the carrier.
  • the clamping means engage in the indentations of the panes of the package, they can also equalize the contact pressure of the package with the carrier.
  • This design of the clamping means is also structurally particularly simple and enables the package to be mounted on the carrier in a very simple manner and also makes it particularly easy to replace a package with a new package. Because of the achievable high precision of the positions of the disks, these measures also have a favorable effect on the carding work.
  • the second channel of the package has a dovetail-shaped cross section and the clamping means have at least one profile bar with a dovetail-shaped cross section or cross-sectional area that bears in a form-fitting manner on the inclined surfaces of the second channel that form the undercut surfaces.
  • indentations of the panes of a package with dovetail profiles forming the second channel can also have other suitable profiles, for example a T-shaped profile, in which case a rod with a rectangular profile can then be inserted in this second channel , preferably without side play or with little side play, which rests in these indentations on the two shoulders of the panes formed by the T-profile and by means of tensioning screws or the like which are supported on the support and screwed into it in the direction of the support for holding the package is pulled on the carrier.
  • the packet has a single second channel.
  • the indentations of the disks forming this second channel and aligned with one another can expediently be of identical design.
  • the recesses of the disks which form a first channel and are in alignment with one another can also be designed identically to one another.
  • each pane has a constant thickness. It is expedient if all the toothed disks of a row of disks have the same thickness among themselves. Since the toothed disks should be spaced from one another, in this case, apart from the toothed disks, spacer disks can also form the package, with at least one spacer disk being interposed between two toothed disks.
  • the toothed disks and the spacer disks can expediently consist of metal, preferably of steel.
  • toothed disks in such a way that their feet are thicker than their toothed areas. Such toothed disks can then be attached directly to one another in the row, that is to say dispensing with spacer disks if the thickness of the feet results in the desired distances between the tooth areas of the adjacent toothed disks.
  • two or more such second channels may also be provided, for example, to span the package more evenly or to increase the precision of its arrangement.
  • the teeth of the toothed disks can be provided in any suitable manner. If desired, it is also possible for the tooth tips of a toothed disk to be arranged along a geometric circular arc, the radius of which approximately corresponds to the radius of the drum.
  • the package has a total of two first channels, which can be arranged to be symmetrical to the longitudinal center plane of the package, preferably in the vicinity of the two long sides of the package.
  • first channels can be arranged to be symmetrical to the longitudinal center plane of the package, preferably in the vicinity of the two long sides of the package.
  • more than two first channels can also be provided if particularly high rigidity of the package is to be achieved by the tensioning devices penetrating the first channels.
  • the recesses of the disks forming the first channel can preferably be holes.
  • the elongated carding plate 10 shown in Fig. 1 to 4 has a solid, beam-shaped carrier 11 of approximately constant cross-sectional profile made of aluminum or other metal, the longitudinal direction of which, if it is arranged on a card, extends parallel to the axis of rotation of the spool of this card and is arranged immovably on the card.
  • This carrier 11 is very stable so that it does not bend during operation.
  • it carries a total of four mutually parallel rows of disks 12a-12d of approximately the same width, each of which forms a tooth field 13 and are arranged closely one behind the other in the direction of rotation (arrow A) of the carding drum indicated by dash-dotted lines at 23 in FIG. 2.
  • Each such tooth block 13 by the teeth 17 of the distanced by spacers 16 toothed discs 1 5 a single row 12a-12d of this parallel to one another i, planar, with their broad sides adjacent discs 15, 16 formed.
  • the disks 15, 16 of each such row of disks 12a-12d are combined into a single package 21 or a plurality of packages which are aligned with one another, the disks 15 , 16 of each package 21 being held together by two clamping devices 19 each.
  • the individual package 21 consists of a multiplicity of punched disks 15, 16 of equal length, thin, straight rear edges 14, and two types of disks 15, 16 are provided.
  • One type are toothed disks 15, for example according to FIG. 5, and the other type are toothless spacer disks 16, for example. 6, the toothed disks 15 of the individual tooth field 13 are the same under themselves, as are the spacer disks 16.
  • the toothed disks 15 of different tooth fields 13 can be designed differently, in particular with regard to the tooth shapes, tooth heights, tooth pitches and the number of their teeth 17.
  • the spacers 16 of a tooth field 13 can also be of identical design and can be the same or different for all tooth fields 13, for example, have different thicknesses for at least two tooth fields 13, in order thereby to provide the tooth densities of these tooth fields 13 differently.
  • the tooth density of the tooth field means the number of teeth / unit area.
  • the teeth 17 of the tooth fields 13 can preferably be finer in the drum rotation direction (arrow A) from tooth field 13 to tooth field 13, the tooth densities larger and the tooth heights smaller.
  • each tooth field 33 corresponds approximately to the working width of the reel of the card in question.
  • the toothed disks 15 and the spacers 16 can suitably consist of steel.
  • the toothed disks 15 and spacer disks 16 forming a tooth field 13 are parallel to one another and are perpendicular to the flat surface of the carrier 11 forming a support surface 20 for their straight rear edges 14, but can be arranged at a directional angle a to the longitudinal direction of the tooth field 13, as shown in FIG 7 is shown on an exemplary embodiment of a row of disks shown in sections, so that in this case the outline of the row of disks 12 is parallelogram-shaped.
  • the straightening angles ⁇ can be arranged inclined from tooth field to tooth field in the opposite direction to the drum rotation direction A, so that in this exemplary embodiment the tooth fields result in a zigzag arrangement.
  • the straightening angles ⁇ can therefore be provided differently from tooth field 13 to tooth field 13, if necessary also be 90 °, in which case the outline of the tooth field 13 in question is rectangular.
  • the four flat bearing surfaces 20 for the four rows of disks 12a-12d are, as can be seen from FIG. 2, arranged slightly inclined to one another, such that in this way an adaptation of the tooth fields to the cutout of the circumference of the drum indicated by dash-dotted lines at 23 is not closer to the rest shown card is carried out, which can be, for example, a revolving card, card or other card.
  • the tooth tips of the teeth 17 of the individual toothed disk 15 do not lie on a straight line, as shown in FIG. 5, but on a geometric, concave circular arc-shaped curve 23 ', the Radius roughly corresponds to that of the reel 23.
  • the tooth fields 13 of the carrier 11 can have a length of 1 m to 1.50 m, for example, but can also be shorter or longer, depending on the card.
  • the row of disks 12a shown is formed by a single, broken package 21 consisting of toothed disks 15 and spacer disks 16 which rest with their broad sides against one another and through two clamping devices 19 penetrating the holes 24 of the disks 14, 15. only one of which can be seen are firmly pressed together so that this package 21, when it is carried by the carrier 11 is lifted, is held together by these tensioning devices 19 and also maintains this cohesion on the carrier 11 and as a result the overall cohesion of this package 21 on the carrier 1J is also improved.
  • this package 21 can consist of several hundred to several thousand disks 15, 16, only a few of which are shown in FIG. 3.
  • a spacer 16 is arranged between each two toothed disks 15. These disks 15, 16 are penetrated by two circular holes 24 (FIGS. 5, 6), which are arranged in the vicinity of the two longitudinal ends of the disk in question. These holes 24 form in the package 21 two aligned rows of holes which form two straight first channels 24 "(FIG.
  • the tensioning device 19 consists of a straight metallic tension rod 26 and a tension screw 27.
  • the tension rod 26 has at one end a frustoconical head 26 'which extends into the correspondingly enlarged holes 24 in the last one 3 disks 15, 16 / as can be seen from FIG.
  • the tensioning screw 27 also has a frustoconical head 27 'which extends into the correspondingly enlarged holes 24 of the last two disks 15, 16 , here also finding an abutment, engages in a form-fitting manner and the entirety of the disks 15, 16 of this row of disks 12a forming a tooth field 13 is screwed together to form the package 21 in a blind threaded bore of the tension rod 26.
  • the straight pull rod 26 has a shaft 26 ′′ which is circular in cross section and which lies in the holes 24 of the disks 15, 16 through which it is fitted with plain bearing play.
  • Each of the rows of disks 12a-12d forms such a packet 21, each packet 21 being held together by two such tensioning devices 19 which penetrate the first two channels 24 ', and all disks 15, 16 of this packet 21 are thereby with their broad sides pressed together.
  • Each such package 21 thus forms a structural unit which is placed on the flat surface 20 of the carrier 11 assigned to it with the straight rear edges 14 of its disks 15, 16.
  • a dovetail-shaped indentation 30, which is open toward the carrier 11, is provided in the center on the underside, all of which are of identical design and are aligned with one another in the package 21.
  • These indentations 30 thus form in the package 21 a continuous straight channel 30 '(second channel) which extends along the longitudinal center of the package 21 over the full length of the package 21 and has a dovetail-shaped cross section, so that oblique, undercuts forming undercut surfaces .31 arise.
  • All second channels 30 'of the packets 21 have the same cross-sectional size and shape.
  • the packets 21 also have approximately the same width with one another, which corresponds to the width of their tooth fields and can expediently be 3 to 12 cm, for example.
  • a solid section bar 32 is used depending as it shows Fig. 4, whose profile consists of a dovetail-shaped portion and a rectangular area.
  • the cross-section dovetail-shaped head 34 of the profile bar 32 has oblique, flat side flanks 33, which together enclose the same angle as the oblique, plane undercuts 31 of the second channel 30 'of the package 21, the width of the flat end face of the head 34 of the profile bar 32 being somewhat is smaller than the width of the flat bottom of the second channel 30 '.
  • the profile rod 32 can be inserted into the second channel 30 'without any problems. It extends at least over the length of the second channel 30 ', so that it positively contacts all the disks 15, 16 of the package 21 in question on the undercut surfaces 31 of the second channel 30'.
  • the profiled rod 32 projects through the opening 41 of the second channel 30 'facing the carrier 11, with its base part 35, which is rectangular in cross section, into a longitudinal groove 36 leading on its longitudinal sides in the relevant contact surface 20 of the carrier 11 with little sliding bearing side play. Threaded holes 37 are let into this foot part 35 at regular intervals, into which tensioning screws 39 are screwed, which are countersunk in holes 40 of the carrier 11 and whose heads are supported on heels of these holes 40 via washers.
  • the profile rod 32 is moved in the direction of the carrier 11 to penetrate deeper into the associated longitudinal groove 36 and thereby he pulls all the disks 15, 16 of this package 21 firmly onto the relevant bearing surface 20, so that all the disks 15, 16 of this package 21 are firmly and firmly pressed with considerable force onto the bearing surface 20 of this carrier 11.
  • These screws 39 and the profile bar 32 thus together form clamping means which, by the interaction of the dovetail profiles of the channel 30 'and the profile bar 32, precisely align and adjust the package 21 and its washers 15, 16 when it is clamped onto the support surface 20 of the carrier 11 . As a result, at least in many cases there is no need to readjust the package 21 on the carrier, and likewise to regrind the teeth 17.
  • the tooth fields 13 of the four rows of disks 12a-12b according to FIGS. 1 and 2 preferably adjoin one another without a gap, so that an uninterrupted overall tooth field is created which is created by the four packets 21 is formed.
  • the width of the carrier 11 is optimally used for the tooth fields 13, since they cover the full width of the carrier.
  • This carding plate has numerous advantages, e.g. B. particularly good carding work, low dust development, there is no risk of clogging of the fitting of this carding plate formed by the rows of disks 12a-12d, simple, quick and accurate assembly of the packets 21, easy replacement of the packets 21, etc.
  • the width of the carrier measured in the direction of drum rotation and thus the total width of the tooth field arrangement can generally be 6 to 25 cm, depending on the application and number of tooth fields, in some cases also larger or smaller.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP84111943A 1983-10-07 1984-10-05 Plaque de cardage Withdrawn EP0144607A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19833336601 DE3336601A1 (de) 1983-10-07 1983-10-07 Langgestreckte kardierplatte
DE8329023 1983-10-07
DE3336602A DE3336602A1 (de) 1983-10-07 1983-10-07 Kardierplatte
DE8329023U 1983-10-07
DE3336601 1983-10-07
DE3336602 1983-10-07

Publications (1)

Publication Number Publication Date
EP0144607A1 true EP0144607A1 (fr) 1985-06-19

Family

ID=27191332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84111943A Withdrawn EP0144607A1 (fr) 1983-10-07 1984-10-05 Plaque de cardage

Country Status (1)

Country Link
EP (1) EP0144607A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322472A1 (fr) * 1987-12-27 1989-07-05 Graf + Cie AG Garniture pour chapeaux de machines de cardage
EP0520958A1 (fr) * 1991-06-25 1992-12-30 Marcello Giuliani Carde pour coton et fibres similaires pourvue des chapeaux fixes constituant des membres nettoyants
DE19809330A1 (de) * 1998-03-05 1999-09-09 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde, bei der einer Walze, z. B. Trommel, mindestens ein ortsfestes Kardiersegment zugeordnet ist

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE52874C (de) * F. WlLKINSON, Nr. 13 India Buildings, Crofs Street in Manchester, Grafschaft Lancaster, England Kratzenbeschläge für die Deckel und Walzen der Krempeln
FR750191A (fr) * 1932-02-04 1933-08-05 Perfectionnements aux cardes, ouvreuses de déchets et machines agricoles
DE2226914A1 (de) * 1972-06-02 1973-12-13 Schubert & Salzer Maschinen Karde
GB2100305A (en) * 1981-06-13 1982-12-22 Carclo Eng Group Plc Card-clothed elements for textile machines
DE3211531A1 (de) * 1981-03-30 1983-01-27 Hollingsworth Gmbh, 7265 Neubulach Deckel fuer eine karde

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE52874C (de) * F. WlLKINSON, Nr. 13 India Buildings, Crofs Street in Manchester, Grafschaft Lancaster, England Kratzenbeschläge für die Deckel und Walzen der Krempeln
FR750191A (fr) * 1932-02-04 1933-08-05 Perfectionnements aux cardes, ouvreuses de déchets et machines agricoles
DE2226914A1 (de) * 1972-06-02 1973-12-13 Schubert & Salzer Maschinen Karde
DE3211531A1 (de) * 1981-03-30 1983-01-27 Hollingsworth Gmbh, 7265 Neubulach Deckel fuer eine karde
GB2100305A (en) * 1981-06-13 1982-12-22 Carclo Eng Group Plc Card-clothed elements for textile machines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322472A1 (fr) * 1987-12-27 1989-07-05 Graf + Cie AG Garniture pour chapeaux de machines de cardage
US4893380A (en) * 1987-12-27 1990-01-16 Gtsg & Cir. AG Card clothing for flats of a carding machine
EP0520958A1 (fr) * 1991-06-25 1992-12-30 Marcello Giuliani Carde pour coton et fibres similaires pourvue des chapeaux fixes constituant des membres nettoyants
DE19809330A1 (de) * 1998-03-05 1999-09-09 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde, bei der einer Walze, z. B. Trommel, mindestens ein ortsfestes Kardiersegment zugeordnet ist
US6189184B1 (en) 1998-03-05 2001-02-20 TRüTZSCHLER GMBH & CO. KG Carding machine having an adjustable stationary carding segment
DE19809330B4 (de) * 1998-03-05 2009-05-07 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde, bei der einer Walze, z. B. Trommel, mindestens ein ortsfestes Kardiersegment zugeordnet ist

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19851207

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Inventor name: JACOBSON, SVEN-GUNNAR, DIPL.-ING.

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Effective date: 19890322