EP3034660B1 - Peigne rond dote d'element de guidage - Google Patents

Peigne rond dote d'element de guidage Download PDF

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Publication number
EP3034660B1
EP3034660B1 EP15200165.7A EP15200165A EP3034660B1 EP 3034660 B1 EP3034660 B1 EP 3034660B1 EP 15200165 A EP15200165 A EP 15200165A EP 3034660 B1 EP3034660 B1 EP 3034660B1
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EP
European Patent Office
Prior art keywords
guide surface
guide
circular comb
comb
guide element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15200165.7A
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German (de)
English (en)
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EP3034660A1 (fr
Inventor
Jacques Peulen
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
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Maschinenfabrik Rieter AG
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Publication of EP3034660A1 publication Critical patent/EP3034660A1/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
    • D01G19/105—Combing cylinders

Definitions

  • the invention relates to a circular comb for a combing machine with a base body which is rotatably mounted on a circular comb shaft and carries on its outer circumference at least one Kämmgarnitur whose clothing tips form an outer enveloping circle and seen in Kämmcardi the Kämmgarnitur, following, the Kämmgarnitur supporting body provided on the circular comb guide element is provided, which has at least two adjoining guide surfaces, wherein the, adjoining the main body first guide surface is disposed within the enveloping circle and with a substantially constant radial distance from the enveloping circle and the adjacent second guide surface makes an obtuse angle with the first guide surface.
  • a circular comb for a combing machine wherein seen in the combing direction, following a Kämmgarnitur (needle segment with Kämmnadeln) a part 27 (guide member called) is mounted to reduce the gap between the circular comb and the lower tong plate.
  • the circular comb is rotatably mounted within a suction channel (suction box), on which a negative pressure is applied to suck the combed-out components.
  • Part 27 With the additionally mounted guide element (Part 27) is to be prevented, that is lifted by the present in the suction passage of suction air, the end of the, transported back from the Abreisszylindern nonwoven fabric before the soldering of the lower Abreisszylinder.
  • the known guide elements following the combing unit are in the present geometric form no longer able to control the air flow in the region of the solder joint in such a way that trouble-free attachment (soldering) of the combed Faserbartendes to the recirculated end the fiber web is guaranteed.
  • the publication EP 0 435 107 A1 discloses a circular comb for a combing machine with a base body which is rotatably mounted on a circular comb shaft and carries on its outer circumference at least one Kämmgarit whose clothing tips form an outer enveloping circle and seen in Kämmcardi the Kämmgarnitur, following the, the Kämmgarnitur bearing body, provided on the circular comb guide element is provided, which has at least two, adjacent guide surfaces, wherein the, adjoining the body first guide surface is disposed within the enveloping circle and with a substantially constant radial distance from the enveloping circle and the adjacent second guide surface with an obtuse angle the first guide surface occupies.
  • the invention thus provides the object to improve already known guide elements on the circular comb, and to optimize and train such that they ensure the production of high-quality solder joints on the comber even at high Kammspielteil.
  • the radial distance of the first guide surface of the guide element to the enveloping circle is between 4 and 10 mm and the second guide surface occupies an angle between 130 ° and 170 ° with the first guide surface, which viewed in the combing direction of the combing assembly - Has the rear end of the second guide surface a radial distance between 8 - 18 mm to the enveloping circle of the combing and seen in the circumferential direction of the circular comb, the length of the second guide surface is at least twice as large as the Length of the first guide surface.
  • the first guide surface has a length between 5 and 20 mm. This ensures that there is no collision of the guide element with the reciprocating pliers and still there is a sufficient reduction of the gap between the lower pliers plate of the pliers and the guide element is present to control the air currents.
  • the second guide surface has a length between 20-50 mm.
  • an embodiment is further proposed, wherein seen in the circumferential direction of the circular comb, adjoins the end of the second guide surface, a third guide surface which forms an angle between 90 ° - 120 ° with the second guide surface and the end of the third guide surface in the direction of the circular comb shaft ,
  • a further guide element be attached immediately in front of the base body carrying the combing assembly, which at least two adjoining one another Having guide surfaces, wherein the, adjoining the body first guide surface within the enveloping circle and with a, substantially constant distance between 4 - 10 mm to the enveloping circle is arranged and the adjacent second guide surface an obtuse angle between 130 ° - 170 ° with the first guide surface the front end of the second guide surface having a radial distance between 8-18 mm to the enveloping circle of the combing set and seen in the circumferential direction of the circular comb, the length of the second guide surface is at least twice as large as the - seen in the combing direction of the Kämmgarnitur Length of the first guide surface.
  • the length of the first guide surface can be between 5 and 20 mm.
  • the length of the second guide surface between 20 - 50 mm be With this additional guide element, which may be the same as the guide element behind the Kämmgarnitur, the tuft is gently inserted into the Kämmsegment, creating less fiber damage.
  • the guide elements are made of aluminum or a plastic. This includes the use of fiber composites.
  • the guide elements are to be made of a low specific gravity material so that the stresses on the circular comb (e.g., centrifugal forces) can be minimized.
  • the attachment of the guide elements on the circular comb can be done in various ways, such as screwing, gluing, welding, etc.
  • the guide surfaces of the respective guide element have a fiber-free surface. It is possible the guide surfaces of the guide elements to be provided with coatings. Thus, these surfaces can also be made more resistant to wear.
  • the guide element is integrally connected to the main body. This eliminates the one hand, the assembly of the guide element on the circular comb and on the other hand transition edges are avoided, on which fibers can settle.
  • FIG. 1 shows a schematic side view of a combing K of a combing machine.
  • combers z. B. eight such Kämmköpfe K arranged side by side.
  • the Kämmkopf K of which only a part of the elements is shown, has a nipper unit 1, which is about the pivot arms 9, 11 about the axes 10, 15 pivoted back and forth within the scope of the combing machine.
  • the axis 10, which is also called the forceps shaft, is driven by a drive, not shown in detail, to give the nipper unit 1 a reciprocating motion.
  • the axis 15 corresponds to the circular comb shaft on which a circular comb R is fixed in rotation.
  • the circular comb shaft 15 with its central axis A is also driven by a drive, not shown, continuously or discontinuously.
  • the mounted below the nipper unit 1 on the circular comb shaft 15 round comb R consists in the known solution shown two spaced apart fixed on the circular comb shaft 15 fixed hubs N1, N2, on the outer periphery on the one hand a base body 18 and on the other hand a mass balance element AG is attached.
  • the attachment of the mass balance element takes place as shown schematically on the screws S, via which it is attached to the hubs N1, N2.
  • the main body 18 is also not shown by means the hubs N1, N2 firmly connected.
  • a clothing G is attached above the main body 18, which, like the compensating element AG, extends over the entire width B of the circular ridge R.
  • the clothing tips of the clothing G are in an enveloping circle HK.
  • the circumferential angle of the K G is in known combing machines between 90 and 130 degrees and is also referred to as "Kämmwinkel".
  • a guide element 7 is attached to the base body 18, which extends almost over the entire width B (see Fig. 3 ) of the circular ridge.
  • the guide element 7 has a first, immediately adjacent to the base body 18 guide surface f1, which extends at a distance and approximately parallel to the enveloping circle HK. At an obtuse angle ⁇ , a second guide surface f2 adjoins the first guide surface f1.
  • Such a guide element, as in Fig.1 is shown, for. B. from the published CH-654 599 refer to.
  • the nipper unit is formed from a nipper frame 5, to which a lower nipper plate 6 is attached.
  • an upper tong plate 2 is pivotally mounted about a pivot axis 4 and pivot arms 3.
  • the nipper unit 1 is closed, wherein the outstanding from the nip of the nipper unit fiber tuft FB is detected by the clothing G and combed out.
  • the loading arms eg springs
  • a feed roller 16 is rotatably mounted above the lower tong plate 6, which z. B. is driven in steps by a not shown latch drive.
  • a nip W (or individual slivers) supplied to the nipper unit 1 of the nip of the nipper unit is supplied.
  • the nipper unit 1 is pivoted in the direction of a subsequent Abreisswalzencrue AW.
  • the nipper unit opens and the combed end of the cotton wool W or the fiber tuft FB is placed on the end E of a previously formed nonwoven fabric V and under the action of Clamping the Abreisswalzen AW soldered with this and transported away in the conveying direction F.
  • FIG. 2 shows an embodiment of an inventively designed circular comb R with a guide element 7a (or 7b), wherein the base body 20 shown here is formed as a hollow profile having a semicircular trough 21 which faces the circular comb shaft 15.
  • a groove-shaped recess 24 is mounted, within which a support member 13 is located.
  • an exchangeable spacer element D via which the Hüll Vietnameseradius HR of the Hüll Vietnamesees HK the Kämmgarnitur G compared to the axis of the circular comb shaft 15 is set or can be changed.
  • the trough 21, or the recess 24 is located on an inner portion 22 of the base body 20, on which an outer portion 23 is supported over the ribs. Cavities are formed between the ribs and the inner and outer portions 22, 23.
  • the shaft is provided with a plurality of - across the width B of the circular ridge R - through holes provided by which screws S3 protrude.
  • the head of the respective screw S3 is located in a recess of the compensating element AG1.
  • a through hole is provided in the compensation element AG1, which is aligned with the bore of the circular comb shaft 15.
  • the support member 13, the spacer element D and the base body 20 provided with through holes, which are aligned with the bores of the circular comb shaft 15 and through which the respective screw S3 protrudes.
  • the end of the respective screw S3 has a thread which projects beyond the bore of the main body 20 in the region of a cavity. On the thread a nut is attached. By tightening the screws S3 and screwing into the threaded hole of the nut of the base body 20 are pressed against the support member 13 and the compensation element AG1 against each other and firmly clamped on the shaft 15 and fixed.
  • the guide element 7a bears with a base GF on an inwardly projecting web R6 of the base body 20 and is fixed means not shown in detail fastening means in the position shown. Fastening by means of screws or rivets can be used.
  • the guide means can be connected via adhesives or welding and solder joints with the body. It is also possible to form the guide element in one piece with the base body. D. h., The guide means 7 a (or 7 b) is simultaneously integrated in the manufacture of the base body 20 with.
  • the guide means 7a has in the present example, a first guide surface f1, which may have a length l1 of 5 to 20 mm.
  • the guide surface f1 extends in an approximately parallel distance e of 4 to 10 mm to the outer envelope HK of the Kämmgarnitur G.
  • ⁇ between 130 ° and 160 ° adjoins the first guide surface f1 a subsequent second guide surface f2.
  • a radius r1 of 5 to 15 mm is provided at the transition between the first and second guide surface. This creates a smooth transition and avoids a spoiler edge, which can possibly lead to air turbulence.
  • the end H of the second guide surface has a radial distance M to the enveloping circle HK between 8 and 18 mm. This ensures that even over the rear region of the guide element 7a there is still a sufficient constriction of the air passage below the lower tong plate in order to control the air flows, whereby a collision of the guide element with the lower tong plate is excluded.
  • a third guide surface f3 is provided which occupies an angle ⁇ between 90 ° and 120 ° with the second guide surface f2.
  • the third guide surface f3 opens into the base GF of the guide element 7a.
  • a radius r2 of 5 to 15 mm is provided in the transition from the second guide surface f2 to the third guide surface f3.
  • the longitudinal direction LR of the guide element 7a extends over the width B of the circular ridge R and in this case has a width b which corresponds to the width b of the combing segment G.
  • the attachment of the proposed guide element 7b allows uncontrolled air currents to be avoided in the area in which the soldering takes place. In particular, this avoids that the end of the conveyed back fiber mat can already stand out before the soldering of the peripheral surface of the lower tear-off roller.
  • a possible attachment of another guide element 7b is shown, which seen in the direction of combing L, in front of the Kämmgarnitur G, or in front of the outer portion 23 of the base body 20 is mounted.
  • the guide element 7b corresponds in its outer shape to the already described guide element 7a and is mounted in mirror image on the opposite side on a web R1 of the main body 20.
  • the guide element 7b also has three guide surfaces F1 to f3 'which run with the angles ⁇ and ⁇ already described to each other.
  • the length l1 'of the first guide surface f1' may also be between 5 and 20 mm, while the length l2 'of the second guide surface f2 may extend over 20 to 50 mm.
  • radii r1 and r2 are also provided for the reasons already described.
  • the distance e 'between the enveloping circle HK and the first guide surface f1' is between 4 and 10 mm, while the radial distance M between the end H 'of the second guide surface f2' and the enveloping circle HK is between 8 and 18 mm.
  • the attachment of the guide element 7b on the base body 20 can be carried out according to the already described attachment of the guide element 7a.
  • the end of the tuft FB is already aligned and prepared for entry into the Kämmsegment G, so that an abrupt deflection of the tuft is avoided when entering the Kämmgarnitur. This fiber damage can be avoided.
  • the use of the additional guide element also has beneficial effects in terms of a controlled air flow in the area between the pliers and the Abreisswalzen AW.

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

Claims (12)

  1. Peigne circulaire (R), destiné à une machine de peignage, comprenant un corps de base (18, 20) qui est fixé solidairement en rotation sur un arbre de peigne circulaire (15) et qui supporte sur sa périphérie extérieure au moins une garniture de peigne (G) dont les points de garniture forment un cercle enveloppant extérieur (HK) et, lorsque le regarde dans le sens de peignage (I), il est prévu à la suite du corps de base portant la garniture de peigne (G) un élément de guidage (7, 7a), fixé au peigne circulaire, qui comporte au moins deux surfaces de guidage adjacentes (f1-f3), la première surface de guidage (f1), se raccordant au corps de base (18, 20), étant disposée à l'intérieur du cercle enveloppant (HK) et à une distance radiale (e) sensiblement constante du cercle enveloppant et la deuxième surface de guidage adjacente (f2) formant un angle obtus (α) avec la première surface de guidage (f1), caractérisé en ce que la distance radiale (e) de la première surface de guidage (f1) de l'élément de guidage (7a) au cercle enveloppant (HK) étant comprise entre 4 et 10 mm et la deuxième surface de guidage (f2) forme l'angle obtus (α) compris entre 130° et 170° avec la première surface de guidage (f1), l'extrémité arrière (H), par référence au sens de peignage (I) de la garniture de peigne (G), de la deuxième surface de guidage (f2) se trouvant à une distance radiale (M), comprise entre 8 et 18 mm, du cercle enveloppant (HK) de la garniture de peigne et, lorsque l'on regarde dans la direction circonférentielle du peigne circulaire (R), la longueur (l2) de la deuxième surface de guidage (f2) étant au moins le double de la longueur (l1) de la première surface de guidage (f1).
  2. Peigne circulaire selon la revendication 1, caractérisé en ce que la première surface de guidage (f1) a une longueur (l1) comprise entre 5 et 20 mm.
  3. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que la deuxième surface de guidage (f2) a une longueur (l2) comprise entre 20 et 50 mm.
  4. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce qu'un rayon (r1) compris entre 5 et 15 mm est prévu entre les première et deuxième surfaces de guidage (f1, f2).
  5. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que, lorsque l'on regarde dans la direction circonférentielle du peigne circulaire (R), l'extrémité (H) de la deuxième surface de guidage (F2) est suivie d'une troisième surface de guidage (f3) qui forme un angle (ß) compris entre 90° et 120° avec la deuxième surface de guidage (f2), et l'extrémité de la troisième surface de guidage (f3) pointe en direction de l'arbre du peigne circulaire (15).
  6. Peigne circulaire selon la revendication 5, caractérisé en ce qu'un rayon (r2), compris entre 5 et 15 mm, est prévu entre les deuxième et troisième surfaces de guidage (f2, f3).
  7. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que, lorsque l'on regarde dans le sens de peignage (L), un autre élément de guidage (7b) est monté juste avant le corps de base (20) supportant la garniture de peignage (G), lequel autre élément de guidage comporte au moins deux surfaces de guidage (f1'-f3') adjacents les unes aux autres, la première surface de guidage (f1'), qui suit le corps de base, est disposée à l'intérieur du cercle enveloppant (HK) et à une distance (e') sensiblement constante, comprise entre 4 et 10 mm, du cercle enveloppant (HK) et la deuxième surface de guidage adjacente (f2') formant un angle obtus (α) compris entre 130° et 170° avec la première surface de guidage (f1'), l'extrémité avant (H'), par référence au sens de peignage (L) de la garniture de peignage (G), de la deuxième surface de guidage (f2') se trouvant à une distance radiale (M), comprise entre 8 et 18 mm, du cercle enveloppant (HK) de la garniture de peigne et, lorsque l'on regarde dans la direction circonférentielle du peigne circulaire (R), la longueur (l2') de la deuxième surface de guidage (f2') étant au moins le double de la longueur (l1') de la première surface de guidage (f1').
  8. Peigne circulaire selon la revendication 7, caractérisé en ce que l'autre élément de guidage (7b) comporte, lorsque l'on regarde dans la direction circonférentielle du peigne circulaire (R), une troisième surface de guidage (f3') qui se raccorde à l'extrémité (H') de la deuxième surface de guidage (f2') et qui forme un angle (ß) compris entre 90° et 120° avec la deuxième surface de guidage (f2'), l'extrémité de la troisième surface de guidage (f3') pointant en direction de l'arbre de peigne circulaire (15).
  9. Peigne circulaire selon la revendication 7, caractérisé en ce qu'un rayon (r1, r2) compris entre 5 et 15 mm est prévu lors de la transition entre les surfaces de guidage (f1', f2', f3') de l'autre élément de guidage (7b).
  10. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que l'élément de guidage respectif (7a, 7b) est réalisé en aluminium ou en une matière plastique.
  11. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que les surfaces de guidage (f1-f3 ; f1'-f3') de l'élément de guidage respectif (7a, 7b) présentent une surface ne présentant pas d'adhérence avec les fibres.
  12. Peigne circulaire selon l'une des revendications précédentes, caractérisé en ce que l'élément de guidage respectif (7a, 7b) est relié solidairement au corps de base (20).
EP15200165.7A 2014-12-19 2015-12-15 Peigne rond dote d'element de guidage Active EP3034660B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01987/14A CH710541A2 (de) 2014-12-19 2014-12-19 Rundkamm mit Führungselement.

Publications (2)

Publication Number Publication Date
EP3034660A1 EP3034660A1 (fr) 2016-06-22
EP3034660B1 true EP3034660B1 (fr) 2017-08-16

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Application Number Title Priority Date Filing Date
EP15200165.7A Active EP3034660B1 (fr) 2014-12-19 2015-12-15 Peigne rond dote d'element de guidage

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US (1) US10100442B2 (fr)
EP (1) EP3034660B1 (fr)
CN (1) CN105714416B (fr)
CH (1) CH710541A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017201678B4 (de) * 2017-02-02 2019-05-09 Staedtler + Uhl Kg Kreiskamm mit Kämmsegment und Ausrichtsegment
CH715429A1 (de) * 2018-10-04 2020-04-15 Graf Cie Ag Rundkammträger für eine Kämmmaschine
CH719163A1 (de) * 2021-11-23 2023-05-31 Graf Cie Ag Träger für einen Rundkamm einer Kämmmaschine.

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JPS6030763B2 (ja) 1980-09-19 1985-07-18 株式会社豊田自動織機製作所 コ−マにおけるフリ−ス姿勢制御装置
DE3914543A1 (de) * 1989-05-02 1990-11-08 Rieter Ag Maschf Arbeitsspitzen aufweisende zylinderwalze fuer eine textilmaschine
CH681018A5 (fr) * 1989-12-22 1992-12-31 Rieter Ag Maschf
DE4326205C1 (de) * 1993-08-04 1995-02-02 Graf & Co Ag Rundkamm
DE19504010A1 (de) * 1995-02-09 1996-08-14 Chemnitzer Spinnereimaschinen Kämmaschine mit Zangenapparat, Rundkämmwalze, Fixkamm und Abreißwalzenpaar
CH690775A5 (de) * 1995-12-28 2001-01-15 Rieter Ag Maschf Rundkammsegment zur Befestigung auf einer Rundkammwalze einer Kämmaschine.
DE19936049A1 (de) * 1999-07-30 2001-02-01 Graf & Co Ag Rundkamm-Garnitur
JP5984812B2 (ja) * 2010-09-04 2016-09-06 マシーネンファブリク リーター アクチェンゲゼルシャフトＭａｓｃｈｉｎｅｎｆａｂｒｉｋ Ｒｉｅｔｅｒ ＡＧ コーミング機械の円形コーム
EP2426239B1 (fr) * 2010-09-04 2013-03-06 Maschinenfabrik Rieter AG Peigne rond d'une peigneuse
CH703822A2 (de) * 2010-09-22 2012-03-30 Rieter Ag Maschf Zangenaggregat für eine Kämmmaschine.
CH705071A2 (de) * 2011-06-06 2012-12-14 Rieter Ag Maschf Zangenaggregat einer Kämmmaschine.
CH706344A2 (de) * 2012-04-10 2013-10-15 Graf & Co Ag Kämmelement für einen Rundkamm einer Kämmmaschine.
CH707882A2 (de) * 2013-04-12 2014-10-15 Rieter Ag Maschf Rundkamm für eine Kämmmaschine.
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

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
US10100442B2 (en) 2018-10-16
US20160177477A1 (en) 2016-06-23
CH710541A2 (de) 2016-06-30
EP3034660A1 (fr) 2016-06-22
CN105714416B (zh) 2019-07-16
CN105714416A (zh) 2016-06-29

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