EP3141638B1 - Dispositif de fixation pour elements de peigne sur un peigne rond - Google Patents

Dispositif de fixation pour elements de peigne sur un peigne rond Download PDF

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Publication number
EP3141638B1
EP3141638B1 EP16186208.1A EP16186208A EP3141638B1 EP 3141638 B1 EP3141638 B1 EP 3141638B1 EP 16186208 A EP16186208 A EP 16186208A EP 3141638 B1 EP3141638 B1 EP 3141638B1
Authority
EP
European Patent Office
Prior art keywords
base body
comb
threaded bolt
circular comb
end section
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.)
Active
Application number
EP16186208.1A
Other languages
German (de)
English (en)
Other versions
EP3141638A1 (fr
Inventor
Arnold VETTERLI
Markus SCHILTER
Urs Müller
Urs Schiltknecht
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.)
Graf und Cie AG
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Graf und Cie 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.)
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Publication date
Application filed by Graf und Cie AG filed Critical Graf und Cie AG
Publication of EP3141638A1 publication Critical patent/EP3141638A1/fr
Application granted granted Critical
Publication of EP3141638B1 publication Critical patent/EP3141638B1/fr
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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
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D01G19/105—Combing cylinders
    • 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
    • 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
    • D01G15/92—Attaching card clothing to carding elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details

Definitions

  • the invention relates to a round comb of a combing machine with a base body arranged parallel to its axis of rotation, on the outer circumference (circumferential surface) of which at least one combing element rests and at least one holding element connected to the combing element, which has at least one threaded bore, into each of which a first protrudes with a threaded end portion of a threaded bolt which has a central portion which projects through a radially oriented opening of the base body and the threaded bolt is provided with a second end portion with which it is supported on an inner support surface of the base body in the region of the respective opening , wherein the cross-sectional area of the second end section at least partially projects beyond the cross-sectional area of the respective opening.
  • the combing elements for a circular comb consist of several tooth segments provided with a set of teeth, which are held together by longitudinal bolts.
  • the longitudinal bolts protrude into bores which are provided in the tooth segments.
  • Several comb elements arranged one behind the other also called bars) form a comb segment with a closed comb surface.
  • the toothed segments of the respective combing element are provided with a dovetail-shaped recess, via which they are connected to a base body of the circular comb via a holding body.
  • the holding body is provided with a corresponding dovetail-shaped counter profile, via which it engages in the recess of the toothed segments and is held in a correspondingly designed recess of the base body by means of a screw connection.
  • a similar version is from the published CH 706 344 A2 known, tooth sets are fastened on a holding rod which are connected to a base body via dovetail-shaped fastening means.
  • a screw connection is provided via which the fastening means is connected to the base body.
  • maximum torques are specified for tightening the screws, via which the holding body or the holding rods to attach the combing elements to the base body, or be braced. This specification of maximum torque is intended to prevent the combing elements from warping when they are braced against the outer circumferential surface of the base body during the fastening process.
  • the object of the invention is therefore to propose a device which avoids the disadvantages of known designs described and prevents the threaded bolts from being pulled over when the combing elements are fastened to the base body of the circular comb.
  • first end section of the respective threaded bolt has a smaller diameter than the diameter of the central section and a spring element is provided between the inner support surface of the base body and the second end section of the threaded bolt.
  • the proposed difference in diameter between the central section and the first end section of the respective threaded bolt ensures that the first end section of the threaded bolt, which is provided with a thread, can only be screwed into a threaded bore of the holding element until the threaded bolt with the existing shoulder between the first end section and the middle section rests on the holding element.
  • the spring between an inner support surface of the base body and the second end section of the threaded bolt, whereby the combing element is clamped by means of the holding element via the spring force of the spring against the outer circumference (or its peripheral surface) of the base body.
  • the fastening or the pressing force of the respective combing element on the base body is no longer carried out via the amount of the tightening torque of the respective threaded bolt, but rather via the spring force of the spring element.
  • the dimension of the respective threaded bolt is preferably designed such that in the assembled position of the respective combing element the spring element is tensioned and the end of the central portion of the threaded bolt opposite the first end section rests on the holding element in the region of the threaded bore.
  • a plurality of combing elements are mounted one behind the other on the base body, the tooth density increasing counter to the direction of rotation of the circular comb. Seen in the direction of the axis of rotation of the circular comb, d. H. Over the length of the respective combing element, at least two threaded bolts are provided in order to fix the combing element on the base body.
  • the respective holding element is releasably connected to the combing element. This makes it possible to use the holding elements previously used when replacing a combing element in the newly inserted combing element.
  • the base body have radially outwardly directed cutouts into which the respective holding element projects.
  • the base body is provided with spaced-apart support ribs on which the end regions of the respective comb elements rest, the support ribs running parallel to the axis of rotation of the circular comb. This will make it a safe circulation of the respective combing element on the outer circumference of the base body in the area of the supporting ribs.
  • the spring elements are preferably designed as helical springs or as wave springs.
  • the spring element can thus be designed in a small, compact design, the spring force generated being sufficient to hold the combing element securely on the outer circumference of the base body.
  • a combing machine which has at least one circular comb designed according to the invention.
  • Fig.1 shows a round comb 1 with a round comb shaft 2 on which two flanges 4, which are arranged at a distance from one another, are attached in a rotationally fixed manner. This is particularly evident from the partial view X.
  • Fig.1 in the Fig.2 refer to.
  • a base body 5 is fastened on a partial circumference of the flanges 4 and carries a plurality of combing elements K1 to K4 arranged one behind the other on its circumferential surface U.
  • the combing elements K1-K4 in the present example have a holding rod H1-H4, on each of which clothing elements G1-G4 are fastened.
  • the clothing elements G1-G4 can, for example, be fastened to the respective holding rod H1-H4 by means of a laser welding seam, as described in the published one EP-2650414 A1 is shown and described. However, other types of fastening are also possible.
  • FIG.1 An exemplary embodiment according to the invention of fastening the front combing element K1 is shown in Fig.1 and in an enlarged partial view in Figure 3 shown.
  • the further combing elements K2 to K4 can, as in Fig.1 is indicated by dashed lines, be connected in the same way to the base body 5.
  • the base body 5 is provided in the contact area of the combing elements K1-K1 with a first depression V1, which extends along the axis of rotation D of the round comb shaft 2.
  • This depression V1 is formed by two support ribs S1, S2 arranged at a distance b from one another, which extend in a longitudinal direction L of the combing elements K1-K4 or parallel to the axis of rotation D, as well as from the top view X (according to Fig.1 ) the Fig.2 can be seen.
  • the holding rod H1 In the assembled position, the holding rod H1 is supported with its base F1 on these support ribs.
  • a circular through-opening 12 with a diameter d2 opens into the respective recess V2.
  • the central section 14 has a diameter d which is larger than the diameter d1 of the first end section E1 of the threaded bolt. This creates a shoulder 15 between the central section 14 and the first end section E1 of the threaded bolt 6. With the end face 16 of the central region 14 projecting beyond the diameter d1 in the region of the shoulder 15, the central region of the threaded bolt comes to rest on a lower surface 17 of the holding element 10 , when the first end section E1 of the threaded bolt 6 is completely screwed into a threaded bore 18 of the respective holding element (see Figure 3 ).
  • the holding element 10, of which several are arranged at a distance a from one another in the longitudinal direction L of the combing element K1 is the example shown in FIG Figure 3 stepped and has a first cylindrical portion 20 which is provided with a thread 21.
  • the second section 23 of the holding element 10 extends over the diameter of the first section 20 and has a lower surface 17, on which the end surface 16 of the central region of the threaded bolt 6 comes to rest in the assembled position shown.
  • the section 20 of the holding element 10 is screwed and fastened into a threaded bore 22 of the holding rod H1 via the thread 21.
  • the threaded bolt 6 has a second end section E2, which lies opposite the end sections E1 and adjoins the center section 14.
  • the end section E2 at least partially has an outer dimension, or a diameter d3, which is larger than the diameter d2 of the through opening 12 through which the central section 14 of the threaded bolt projects.
  • a compression spring in the form of a helical spring 30 is attached to the center section 14 of the threaded bolt 6.
  • a wave spring 31 can also be used, which in the example of FIG Figure 4 will be shown.
  • the outer diameter of the respective spring element 30 or 31 is selected such that the spring element projects beyond the through bore 12 and comes to rest on the inner support surface 26 of the base body.
  • a force M is generated via the respective spring element 30 (31) during assembly of the respective combing element K1 (K2, K3, K4), by means of which the holding rod H1 (H2-H4) of the respective combing element K1 (K2-K4) with its supporting surface F1 is clamped against the peripheral surface U of the base body, where it comes to rest on the webs S1, S2.
  • the embodiment according to Figure 4 differs from the exemplary embodiment Figure 3 by a different type of fastening or a different design of the holding element 40.
  • the respective holding element 40 has a first section 41 (for example cylindrical) which projects into the depressions V1 and V2 of the base body 5. This is followed by a further section 42 (cylindrical or square) which projects into a longitudinal slot 45 which runs in the longitudinal direction L of the holding rod H1.
  • the end section 43 of the holding element 40 adjoining the section 42 can, for example, have a square or rectangular cross-sectional shape, as is shown, for example, in FIG. B. in the representation of Fig.2 is indicated on the right.
  • the end section 43 which projects beyond the section 42, is inserted into a longitudinal slot 47 of the holding rod H1 and is positioned in the base body in accordance with the through opening.
  • the holding element 40 is provided with a threaded bore 18, into which the end cut E1 of the threaded bolt 6 is screwed.
  • a wave spring 31 is used as a spring element in the embodiment Figure 4 . The remaining components correspond to the embodiment of FIG Figure 3 and are therefore not further described here.
  • FIG.2 As from view X (after Fig.1 ) the Fig.2 can be seen, several threaded bolts 8 are used in the longitudinal direction L of the respective combing element K1 (K2-K4) for fastening the combing element.
  • the other combing elements K2-K4 are also fastened in the form described on the base body 5, the respective holding rods H2-H4 also resting on support ribs S1, S2 which are attached to the peripheral surface U of the base body, which is shown in dashed lines from FIG Fig.1 can be seen.
  • the intended number of holding elements 10 is screwed into the respective threaded bore 22 of the holding rod 10 via the section 20 provided with a thread 21 until the upper surface 24 of the section 23 comes to bear against the base surface F1 of the holding rod H1.
  • the preassembled combing element K1 is then positioned on the base body 5 such that the respective sections 23 of the holding rod 10 protrude into the recesses V1 and V2 and the threaded bores 18 face the through openings 12 of the base body 5.
  • threaded bolts 6 are successively passed through the through openings 12 from the underside of the base body 5 in the region of its inner support surface 26 and are screwed into the threaded bore 18 of the holding element 10 with their first, threaded end sections E1 until the end face 16 of the center section 14 on the bottom surface 17 of the holding element 10 rests.
  • a spring element 30 (31) is placed on the central section 14 and brought to bear on the support surface 28 of the second end section E2.
  • This end section E2 can be designed as a screw head or, as indicated schematically, can be provided with a hexagon socket P, via which the threaded bolt can be rotated.
  • the combing element is braced against the outer circumference U of the base body exclusively via the resulting spring force of the spring element 30 (31) and fixed in this position.
  • the given geometric relationships of the threaded bolts and the holding element ensure a uniform and constant contact pressure at all fastening points.
  • the tightening torque of the threaded bolts no longer has any influence on the contact pressure with which the respective combing element is braced or pressed against the peripheral surface U of the base body 5.
  • the holding element 40 shown there is not screwed into the holding rod H1, but is laterally inserted via its end section 43 into a longitudinal slot 47 of the holding rod, as is also partially the case on the right-hand side of the illustration in FIG Fig.2 is pictured.
  • the combing element K1 is put on, the inserted holding elements are then positioned such that their threaded bore 18 faces the respective through opening 12 of the base body. It is also conceivable to provide markings in the area of the base area F1 of the holding rod H1, by means of which the holding elements 40 can already be brought into the correct position when inserted into the longitudinal slot 47.
  • the respective holding element 40 could also be connected to the holding rod H1 via a weld seam. It is also conceivable to connect the holding element to the holding rod via an adhesive connection. Another possibility would be a one-piece molding of a holding element on the holding rod. In these cases, the respective holding element is permanently and permanently connected to the holding element.
  • the proposed type of attachment of the combing elements on a base support of a circular comb enables simple and quick assembly and disassembly of the combing elements, the tightening torque of the threaded bolts used having no influence on the contact pressure of the respective combing element on the outer circumference U of the base body.

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

Claims (8)

  1. Peigne circulaire (1) d'une machine à peigner, le peigne circulaire comprenant un corps de base (5), qui est disposé parallèlement à son axe de rotation (D) et sur la circonférence extérieure (U) duquel au moins un élément de peignage (K1-K4) vient en appui, et au moins un élément de retenue (10, 40) qui est relié à l'élément de peignage, qui comporte au moins un alésage fileté (18) dans lequel fait saillie une première portion d'extrémité filetée (E1) d'un boulon fileté (6) qui comporte une portion centrale (14) qui fait saillie à travers une ouverture (12), alignée radialement, du corps de base (5), le boulon fileté (6) étant pourvu d'une deuxième portion d'extrémité (E2) avec laquelle il s'appuie sur une surface d'appui intérieure (26) du corps de base (5) dans la région de l'ouverture (12) respective, la surface en coupe transversale de la deuxième portion d'extrémité (E2) faisant saillie au moins partiellement au-delà de la surface en coupe transversale de l'ouverture (12) respective, caractérisé en ce que la première portion d'extrémité (E1) du boulon fileté (6) respectif a un diamètre (d1) inférieure au diamètre (d) de la portion centrale (14) et en ce qu'un élément à ressort (30, 31) est prévu entre la surface d'appui intérieure (26) du corps de base (5) et la deuxième portion d'extrémité (E2) du boulon fileté (6).
  2. Peigne circulaire selon la revendication 1, caractérisé en ce que, dans la position assemblée de l'élément de peignage (K1-K4) respectif, l'élément à ressort (30, 31) est tendu et l'extrémité (16) de la portion centrale (14), opposée à la première portion d'extrémité (E1), du boulon fileté (6) est en appui sur l'élément de retenue (10, 40) dans la région de l'alésage fileté (18).
  3. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que l'élément de retenue (10, 40) respectif est relié de manière amovible à l'élément de peignage (K1-K4).
  4. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que le corps de base (5) comporte des évidements (V1, V2) qui sont dirigés radialement vers l'extérieur et dans lesquels fait saillie l'élément de retenue (10, 40) respectif.
  5. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que, vu dans la direction circonférentielle du peigne circulaire, le corps de base (5) est pourvu de nervures d'appui (S1, S2) qui sont disposées à distance les unes des autres et sur lesquelles les régions d'extrémité des éléments de peignage (K1-K4) respectifs viennent en appui, les nervures d'appui (S1, S2) s'étendant parallèlement à l'axe de rotation (D) du peigne circulaire (1).
  6. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que les éléments à ressort sont des ressorts hélicoïdaux (30).
  7. Peigne circulaire selon l'une des revendications 1 à 5, caractérisé en ce que les éléments à ressort sont des ressorts ondulés (31).
  8. Machine à peigner comprenant au moins un peigne circulaire (1) selon l'une des revendications précédentes.
EP16186208.1A 2015-09-11 2016-08-30 Dispositif de fixation pour elements de peigne sur un peigne rond Active EP3141638B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01317/15A CH711514A1 (de) 2015-09-11 2015-09-11 Rundkamm einer Kämmmaschine mit einem Gewindebolzen.

Publications (2)

Publication Number Publication Date
EP3141638A1 EP3141638A1 (fr) 2017-03-15
EP3141638B1 true EP3141638B1 (fr) 2020-02-19

Family

ID=56920486

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16186208.1A Active EP3141638B1 (fr) 2015-09-11 2016-08-30 Dispositif de fixation pour elements de peigne sur un peigne rond

Country Status (7)

Country Link
US (1) US10301749B2 (fr)
EP (1) EP3141638B1 (fr)
JP (1) JP2017053079A (fr)
KR (1) KR20170031611A (fr)
CN (1) CN106521728A (fr)
BR (1) BR102016018725A2 (fr)
CH (1) CH711514A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH711515A1 (de) * 2015-09-11 2017-03-15 Graf + Cie Ag Rundkamm mit einem Befestigungselement.
CN108385213B (zh) * 2018-05-22 2023-08-15 海盐兴达纺针科技有限公司 一种针芯
CH715429A1 (de) * 2018-10-04 2020-04-15 Graf Cie Ag Rundkammträger für eine Kämmmaschine
CH716329A1 (de) * 2019-06-17 2020-12-30 Graf Cie Ag Rundkamm für eine Kämmmaschine.

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DE3336876A1 (de) * 1983-10-11 1985-04-25 Staedtler & Uhl, 8540 Schwabach Kaemmsegment fuer eine kaemm-maschine
CH706344A2 (de) * 2012-04-10 2013-10-15 Graf & Co Ag Kämmelement für einen Rundkamm einer Kämmmaschine.

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JPS54158018U (fr) * 1978-04-20 1979-11-02
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FR2619829A1 (fr) * 1987-09-02 1989-03-03 Laroche Fils Const Meca Tambour rotatif a pointes, pour une machine textile, ouvreuse, defibreuse, effilocheuse, ou analogue
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DE3914543A1 (de) 1989-05-02 1990-11-08 Rieter Ag Maschf Arbeitsspitzen aufweisende zylinderwalze fuer eine textilmaschine
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DE4205006C2 (de) * 1992-02-19 1995-05-04 Staedtler & Uhl Garnitur aus Sägezahnstanzteilen für Textil-Kämm-Maschinen
ATE219530T1 (de) * 1996-11-05 2002-07-15 D Krone Manfred V Kämmgarnitur aus sägezahnstanzteilen für walzen und tragsegmente von textilmaschinen
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EP2216555B1 (fr) * 2009-02-06 2014-07-23 Fairchild Fasteners Europe - Camloc GmbH Dispositif de serrage
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
CH711515A1 (de) * 2015-09-11 2017-03-15 Graf + Cie Ag Rundkamm mit einem Befestigungselement.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3336876A1 (de) * 1983-10-11 1985-04-25 Staedtler & Uhl, 8540 Schwabach Kaemmsegment fuer eine kaemm-maschine
CH706344A2 (de) * 2012-04-10 2013-10-15 Graf & Co Ag Kämmelement für einen Rundkamm einer Kämmmaschine.

Also Published As

Publication number Publication date
BR102016018725A2 (pt) 2017-03-21
CH711514A1 (de) 2017-03-15
JP2017053079A (ja) 2017-03-16
EP3141638A1 (fr) 2017-03-15
US20170073847A1 (en) 2017-03-16
US10301749B2 (en) 2019-05-28
KR20170031611A (ko) 2017-03-21
CN106521728A (zh) 2017-03-22

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