EP0395909A1 - Cylindre à points pour une machine textile - Google Patents

Cylindre à points pour une machine textile Download PDF

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Publication number
EP0395909A1
EP0395909A1 EP90106630A EP90106630A EP0395909A1 EP 0395909 A1 EP0395909 A1 EP 0395909A1 EP 90106630 A EP90106630 A EP 90106630A EP 90106630 A EP90106630 A EP 90106630A EP 0395909 A1 EP0395909 A1 EP 0395909A1
Authority
EP
European Patent Office
Prior art keywords
segments
working tips
cylinder
roller
clothing
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Withdrawn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
EP90106630A
Other languages
German (de)
English (en)
Inventor
Robert Demuth
Peter Fritzsche
Paul Stäheli
Roland Soltermann
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 EP0395909A1 publication Critical patent/EP0395909A1/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Withdrawn legal-status Critical Current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
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members

Definitions

  • the invention relates to a cylinder roller having working tips for a textile machine, for example a licker-in, reel or take-off of a card or cleaning roller of a blow-molding machine.
  • the spikes can be made by wires of different thicknesses and the teeth with different tooth spacing and different sizes.
  • the wires that form the working tips are usually anchored in a strip of fabric.
  • the teeth are punched out of a corresponding metal strip and then ground in order to specify the tooth shape precisely and to reduce the tooth width in comparison to the base part, which in practical use results in lateral distances between adjacent rows of sawtooths.
  • Spiked sets and sawtooth strips are available by the meter and are wound around the circumference of a drum-like basic structure in the manufacture of cylindrical rollers with working tips.
  • the object of the present invention is to provide a new type of cylindrical roller of the type mentioned at the beginning, which allows repair of damaged areas or the replacement of the entire tip without the complete removal of the cylindrical rollers, and subsequent grinding operations should be avoided as far as possible.
  • the cylinder roller consists of a basic structure and attached to it, the work tips having clothing segments, which have a regular geometric shape, which can be fastened to the basic structure next to one another on the basic structure in a repeating arrangement resulting in the cylindrical shape .
  • the clothing segments are at least two semi-cylindrical shells.
  • the segments can be exchanged individually or together, since the circumferential extent of the segments, which is less than half of the cylinder roller, enables the segments to be pulled off in a radial direction, which is mostly due to the dismantling of the customary casing of the machine and rotation of the roller in a favorable angular position is possible. As a result, it is usually not necessary to expand the end of the cylinder roller mounting.
  • An even number of semi-cylindrical shells is preferably provided, which can be attached in pairs in two or more rows next to one another on the basic structure.
  • Such an embodiment is particularly preferred, in which, viewed in the circumferential direction of the roller, each row is arranged offset with respect to the adjacent rows.
  • the grooves which are generally difficult to avoid at the abutting edges between adjacent segments are distributed over the circumference of the cylinder roller in such a way that they do not interfere with the operation, or only to an insignificant extent. If there were only two semi-cylindrical shells or a plurality of shells oriented in the circumferential direction, empty spaces would extend between adjacent shells that would extend over the entire width of the cylinder roller, which are probably undesirable.
  • the semi-cylindrical design of the segments is not necessarily an optimum; Particularly in the case of large cylindrical rollers, for example in the case of a drum, arrangements according to the invention in which the clothing segments are preferred are three or more partially cylindrical segments. As a result, the circumferential extent of the individual segments is smaller, which simplifies their handling during installation and removal. Also in this embodiment with partially cylindrical segments which extend over less than half of the circumference of the cylinder roller, an arrangement is preferred where the clothing segments are arranged in a plurality of rows, each offset from adjacent rows in the circumferential direction of the roller.
  • Another possibility which has the particular advantage that the abutting areas between adjacent segments can have a shorter linear extension, is characterized in that the segments have a cylindrically curved, polygonal shape in plan view, for example a triangular, hexagonal or diamond-shaped shape, whereby if necessary, partial segments can be provided on the end edges of the cylinder roller.
  • a particularly preferred embodiment of the invention provides that the basic structure is a drum having at least one end face of an opening, and that the segments can be fastened to the drum by fastening elements accessible from the inside of the drum.
  • these fasteners can consist of screws that engage in the corresponding threads in the segments. It would also be possible to fasten the segments to the drum from the outside, the fastening screws then engaging in threaded holes in the lateral surface of the drum.
  • such an arrangement has the disadvantage that working tips cannot easily be attached in the area of the screw heads, so that empty spaces are created here which are not absolutely desirable. According to the invention, however, various other options are provided for fastening the Segments and the basic structure.
  • a particularly preferred embodiment is characterized in that the segments are removably held on the base structure by means of grooves extending in the circumferential direction and / or in the transverse direction in the base structure or in the segments, which are in positive engagement with correspondingly shaped ribs on the other part.
  • the segments on their radially inward-facing side opposite the base structure can have dovetail-like grooves or projections which interact with complementary projections or grooves of the base structure. It is simplest in such an arrangement if the dovetail-like grooves are provided in the transverse direction of the basic structure, since the clothing segments can then be easily inserted from one end face of the basic structure. However, it is also possible to provide grooves and protrusions extending in the circumferential direction of the basic structure, although here the grooves or protrusions have to be interrupted in places in order to enable the segments to be inserted. It is also possible according to the invention that the segments have bores extending in the transverse direction of the roller and can be fastened to the basic structure by means of rods extending through these bores.
  • the support fabric is preferably glued to the clothing segments, the fabric preferably having the shape of the segments in plan view. With this design, areas close to the tips on the abutting edges between the individual clothing segments can largely be avoided.
  • the spike set is thus constructed similarly to the spike set of a revolving lid.
  • the working tips can be formed by a saw tooth set, which are held in a form-fitting manner on the clothing segments in the form of strips curved in the circumferential direction of the cylinder roller.
  • the form-fitting mounting can take place, for example, through lip-like projections of the segments which overlap the ends of the strips, these lip-like projections being plastically deformed in a clamping manner around the ends of the strips or into grooves of these strips intended for this purpose.
  • the segments can be replaced by radial removal from the basic structure, the segments are preferably provided such that they can be removed from an end face of the basic structure. Depending on the design of the segments, this is possible in many cases without having to remove the mounting of the cylinder roller, so that the basic orientation of the cylinder roller to the textile machine is not impaired. In this way, it is usually also possible to avoid having to disassemble the drive device for the cylinder roller.
  • a cylinder roller 10 for example a card reader, which consists of a drum-like basic structure 12 and two half-shells 14.
  • Each half-shell 14 extends over an angle of 180 ° around the axis of rotation 16 of the roller.
  • the half-shells carry on their surface a needle set of wires 18, the entire surface of the two half-shells being covered with these wires, although only a partial area is drawn with needles in FIG. 1 in order not to complicate the drawing unnecessarily.
  • the abutting edges between the two half-shells are marked with 20.
  • This wire spike design it is also possible to guide the needles very close to the abutting edges 20, so that there is no particular disturbance of the surface covered with needles in the region of the abutting edges 20.
  • FIG. 1 also shows how the drum-like basic structure 12 is fastened by means of radially extending arms 22 to a hub part 24, which is necessary for the storage of the cylinder roller in the textile machine. These Storage is not shown here since it is not part of the present invention.
  • the wire needles 18 are firmly anchored in a fabric, which are glued to fixed metallic segments.
  • the segments are fastened to the drum 12 by means of screws which are inserted from the inside of the drum and which engage in the threads provided in the segments, as will be explained in more detail later, with reference to FIG. 6.
  • the head of a screw is only for the sake of illustration 26 shown in Fig. 1, it being seen that this head is accessible through the opening 28 between the arms 22.
  • the working tips of the half-shells 14 of the embodiment according to FIG. 1 do not have to consist of wire needles, they can also consist of sawtooth segments, as will be explained later in connection with FIG. 7.
  • FIG. 2 shows such an embodiment, in which four pairs of half shells, identified here by 14.1, are arranged next to one another.
  • the basic structure i.e. the drum 12 in Fig. 2 omitted.
  • the abutting edges 20.1 between the half-shell pairs are offset in each row with respect to the adjacent rows, so that there are no axially continuous sawtooth-free areas on the abutting edges 20.1.
  • the displacement of the individual half-shells in the individual rows can be made so that the abutting edges in one row are offset against the abutting edges in all other rows. However, this is not shown in FIG. 2.
  • FIG. 3 shows an arrangement with a total of 40 shell segments, which are arranged in four rows of 10 segments each, each segment 14.2 having an angular extent of 36 °.
  • the abutting edges 20.2 are offset from the rows adjacent to the abutting edges.
  • the basic structure is omitted here for the sake of illustration.
  • FIG. 4 in turn shows a segment arrangement with 16 strip segments 14.3, each of which extends over the entire length of the cylinder roller.
  • Such an arrangement is suitable for a needle set with wire needles which are embedded and held in a fabric, these fabrics being glued to the latter in strips which have the shape of the segments 14.3, which is only indicated in sections at 30 in FIG. 4 .
  • the strips comprising the needle set can be designed in the manner customary for the needle sets of revolving covers.
  • segments 14.4 are diamond-shaped segments. Instead, the segments can have a triangular shape 14.5 or a hexagonal shape 14.6, with any polygonal shape finally being possible, provided the segments can completely cover an area. With some shapes of the mosaic stones, half segments have to be provided in order to achieve a continuous covering of the basic structure also at the front edges of the cylinder roller, as indicated for example in 14.7.
  • FIG. 6 now shows in the front view how a segment, for example a segment such as 14.2 of FIG. 3, can be attached to the drum-like surface of the basic structure 12.
  • the segment 14.2 has a curved inner surface 32 which has exactly the same curvature as the outer surface 34 of the drum.
  • Four threaded bores 36 are provided in segment 14.2, only two of which can be seen in FIG. 6.
  • the segments can be located in the interior of the drum-like basic structure 12 by means of the screws 26 of the drive heads and can be tightened.
  • the segments can also have a nose 38 or a depression 40 on their respective peripheral edges, so that each segment 14.2 is held in a form-fitting manner with the adjacent segment 14.2 on the peripheral edges.
  • the lugs and depressions can be designed so that it is still possible to detach individual segments from the drum, for example by first loosening two adjacent segments and tightening them again in pairs by means of the screws 26 on the drum surface.
  • FIG. 6 shows in detail how the wire tips 18 protrude from a tissue 30, the tissue 30 frequently being glued to the curved outer surface of the segment 14.2. In this way, there are no circumferential grooves on the abutting edges 20.2, since the barbed wires can be guided at least essentially up to the edge of the strips.
  • Fig. 7 shows an embodiment similar to Fig. 6, in which the segments 14.8 are also tightened by means of screws 26 on the drum surface.
  • parts in FIG. 7 which correspond to parts in FIG. 6 are identified by the same reference numbers and are not described separately.
  • 7 is equipped with sawtooth strips, these sawtooth strips one Have curvature corresponding to the curvature of the outer surface of the segment 14.8 and are held at their end edges by means of inwardly deformed edge parts 42 of the segments 14.8.
  • a plurality of sawtooth strips are placed next to one another on the segment, each strip being able to have a wider shoulder area 44 in a manner known per se so that the working tips 46 are spaced apart from one another.
  • the sawtooth strips themselves form the segments.
  • the radial dimensions of these are designed to be somewhat deeper than previously and provided with through holes 52.
  • the matching drum structure is designed like a bird cage, the individual cage rods extending through the holes 52.
  • the exchange of the sawtooth strips is possible here by pulling out the bars in certain areas and removing the corresponding sawtooth strips.
  • the basic structure can take the form of a continuous drum with a multiplicity of radially outwardly extending flanges have, wherein grooves are provided between the flanges into which the sawtooth strips are inserted.
  • the flanges also have bores corresponding to the bores 52, so that the bars pass through both the sawtooth strips and the flanges.
  • Such a type of attachment is particularly suitable for a cylinder roller of a blowroom machine, where a relatively coarse tooth shape is used.
  • 10 shows a possibility of attaching the individual segments 14.10 to the drum-like basic structure 12.1 by means of dovetail guides 54 which extend in the transverse direction of the roller and which engage in complementarily designed dovetail grooves 56 in the inner side of the segments 14.10.
  • dovetail guides 54 which extend in the transverse direction of the roller and which engage in complementarily designed dovetail grooves 56 in the inner side of the segments 14.10.
  • the work peaks are omitted here. However, they can be designed as wire tips or as saw tooth tips and can be attached to the segments 14.10, for example, according to the options described above.
  • 10 also shows a flange 58 on the rear end edge of the cylinder roller, which serves as a stop for the segments 14.10 inserted in the axial direction. In order to show this flange 58, the other segments in FIG. 10 have broken away.
  • the 10 also shows a further alternative, namely the fastening of the segments 14.10 on the base structure 10 by means of continuous strips 57, the strips being able to have the cross-sectional shape of two oppositely directed and fastened dovetail guides.
  • corresponding dovetail grooves must be provided both in the segments and in the basic structure.
  • the strips can be inserted laterally in the form of prefabricated strips, but they can also be created by covering the corresponding spaces with lead, Pouring resin or plastic, after the solidification or hardening of the material, the attachment between the clothing segments and the basic structure is finished.
  • the dovetail-like guides do not necessarily have to run in the transverse direction of the roller, but, as shown in FIG. 11, they can extend in the circumferential direction.
  • the embodiment according to FIG. 11 would be suitable for a segment shape according to FIG. 4, i.e. Segments that have a longitudinal extension corresponding to the length of the cylinder roller, but are relatively narrow in width.
  • the drum has at least once a number of locations 60 where the circumferentially extending dovetail guides 54.1 are interrupted. The individual strips can be inserted at these points and then moved in the circumferential direction of the drum. The areas 60 are thus to be regarded as filling slots. When the last strips are inserted, all strips are shifted back by half a strip width, so that the two strips last inserted are also carried by the dovetail guides 54.1. Secure fastening of the strips last used can then be achieved by other mechanical means.
  • the segments to be used will then have a corresponding division of the dovetail-like depressions so that they can be inserted radially. After the radial insertion, the strips are offset by half their width so that they are held in a form-fitting manner.
  • the clothing segments which can be designed, for example, in accordance with the segments 14.2 of FIG. 3, are fastened to the base structure 12 by means of continuous screws 26.1.
  • the screws 26.1 penetrate radial bores 60 and 62 which are aligned with one another and are formed in the clothing segments 14.3 or in the basic structure 12.
  • the bores 60 are designed as stepped bores so that the head of the screw 26.1 can be sunk below the radially outer surface of the clothing segment 14.3.
  • the threaded part of the screw 26.1 engages in the bore 26 of the basic structure 12 which is designed as a threaded bore.
  • the fastening device 26.2 has at its lower end a claw 64 which is connected to the head of the screw 26.2 by means of a leg 66.
  • the claw is designed so that it can be inserted through the aligned bores 60 and 62 and then by turning the head of the screw, for example by means of the screwdriver slot 68, reaches behind the radially inner surface of the base structure 12 and is anchored here.
  • the claw 64 can have a surface 64.1 designed as a ramp, which also enables the screw 26.2 to be tightened.
  • an expansion dowel 70 is used to implement the attachment.
  • the dowel 70 is inserted through the mutually aligned bores 60 and 62.1, the conical shape of the bore 62.1 preventing the dowel 70 inserted from the outside from moving too far inwards. Then the screw 26.3 is inserted through the dowel and tightened, whereby the nut 72 cooperating with the screw 26.3 ensures the expansion of the dowel 70 and therefore the anchoring of the clothing segment 14.3 on the base structure 12.
  • the use of such a nut 72 is not absolutely necessary, for example the screw 26.3 could cause the dowel to spread sufficiently to achieve anchoring without a nut.
  • the heads of the screws can, if desired, be covered with lids, also with lids which themselves carry needle sets.
  • lids also with lids which themselves carry needle sets.
  • These covers could, for example, be glued to the screw heads or provided with screws which can be screwed into corresponding threaded holes in the screws 26.1 or 26.2 or 26.3, i.e. about the type of cover caps for bathroom mirrors.
  • FIG. 15 shows that the rows of working tips can form an angle from one another in the circumferential direction of the clothing segments which follow the cylinder segments.
  • This has the particular advantage that the "lanes" between the rows of work tips are not straight and aligned in the circumferential direction of the cylinder roller, but form a zigzag path, whereby individual fibers are repeatedly brought into the work area of the work tips, so that overall a high degree of efficiency can be achieved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
EP90106630A 1989-05-02 1990-04-06 Cylindre à points pour une machine textile Withdrawn EP0395909A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3914543 1989-05-02
DE3914543A DE3914543A1 (de) 1989-05-02 1989-05-02 Arbeitsspitzen aufweisende zylinderwalze fuer eine textilmaschine

Publications (1)

Publication Number Publication Date
EP0395909A1 true EP0395909A1 (fr) 1990-11-07

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ID=6379966

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Application Number Title Priority Date Filing Date
EP90106630A Withdrawn EP0395909A1 (fr) 1989-05-02 1990-04-06 Cylindre à points pour une machine textile

Country Status (4)

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US (1) US5038440A (fr)
EP (1) EP0395909A1 (fr)
JP (1) JPH02293417A (fr)
DE (1) DE3914543A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230124A (en) * 1989-04-08 1993-07-27 James Holdsworth & Brothers Limited Roller with clothing retaining structure and card clothing
US5475898A (en) * 1991-05-25 1995-12-19 Holdsworth James & Brothers Method of fixing card clothing to carrier cylinder
EP3141638A1 (fr) * 2015-09-11 2017-03-15 Graf + Cie AG Dispositif de fixation pour element de peigne sur un peigne rond

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DE10214390B4 (de) * 2001-09-21 2018-06-07 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde für Baumwolle, Chemiefasern und dergleichen, bei der mindestens ein Deckelstab mit einer Deckelgarnitur vorhanden ist
CN100359058C (zh) * 2001-09-21 2008-01-02 特鲁菲舍尔股份有限公司及两合公司 在梳理机上的、具有至少一个带盖板针布的盖板杆的装置
DE102009018058A1 (de) * 2009-04-21 2010-11-04 Staedtler + Uhl Kg Kreiskamm
NL2007485C2 (nl) * 2011-09-27 2013-03-28 Vmi Holland Bv Samenstel en werkwijze voor het vervaardigen van een groene band en/of luchtveer.
US9267372B2 (en) * 2011-11-10 2016-02-23 Cedric J. Clark Replaceable arbor tool holder for replaceable impact tools
KR200467608Y1 (ko) * 2012-05-22 2013-06-21 (주) 비앤비 타면장치
US8898863B2 (en) * 2012-10-02 2014-12-02 Lummus Corporation Axial saw cotton seed reclaimer
JP5939240B2 (ja) * 2013-12-12 2016-06-22 株式会社豊田自動織機 コーマにおけるコーミングシリンダ
CH710541A2 (de) * 2014-12-19 2016-06-30 Rieter Ag Maschf Rundkamm mit Führungselement.
DE102018119570A1 (de) * 2018-08-13 2020-02-13 TRüTZSCHLER GMBH & CO. KG Vorrichtung zur Verfestigung und/oder Strukturierung von einem Vlies sowie eine Strukturschale
CN110129924B (zh) * 2019-05-24 2020-07-03 圣华盾防护科技股份有限公司 一种应用于开棉机的角钉滚筒

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EP0328726A1 (fr) * 1988-02-19 1989-08-23 Hollingsworth GmbH Procédé pour la fabrication de bagues de cylindre d'ouverture

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US1346637A (en) * 1919-03-12 1920-07-13 Smith And Furbush Machine Comp Garnet-cylinder
EP0268417A2 (fr) * 1986-11-12 1988-05-25 WM. R. STEWART & SONS (HACKLEMAKERS) LIMITED Fixation de segments à une base
EP0307326A1 (fr) * 1987-09-02 1989-03-15 Constructions Mecaniques F. Laroche & Fils Tambour rotatif à pointes pour une machine textile, ouvreuse, défibreuse, effilocheuse ou analogue
EP0328726A1 (fr) * 1988-02-19 1989-08-23 Hollingsworth GmbH Procédé pour la fabrication de bagues de cylindre d'ouverture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230124A (en) * 1989-04-08 1993-07-27 James Holdsworth & Brothers Limited Roller with clothing retaining structure and card clothing
US5475898A (en) * 1991-05-25 1995-12-19 Holdsworth James & Brothers Method of fixing card clothing to carrier cylinder
EP3141638A1 (fr) * 2015-09-11 2017-03-15 Graf + Cie AG Dispositif de fixation pour element de peigne sur un peigne rond
CN106521728A (zh) * 2015-09-11 2017-03-22 格拉夫及西有限公司 用于圆梳上的梳元件的紧固装置
US10301749B2 (en) 2015-09-11 2019-05-28 Graf + Cie Ag Fastening device for comb elements on a circular comb

Also Published As

Publication number Publication date
US5038440A (en) 1991-08-13
JPH02293417A (ja) 1990-12-04
DE3914543A1 (de) 1990-11-08

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