EP2426239A1 - Peigne rond d'une peigneuse - Google Patents

Peigne rond d'une peigneuse Download PDF

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Publication number
EP2426239A1
EP2426239A1 EP10009206A EP10009206A EP2426239A1 EP 2426239 A1 EP2426239 A1 EP 2426239A1 EP 10009206 A EP10009206 A EP 10009206A EP 10009206 A EP10009206 A EP 10009206A EP 2426239 A1 EP2426239 A1 EP 2426239A1
Authority
EP
European Patent Office
Prior art keywords
shaft
base body
hollow profile
comb
mass balance
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.)
Granted
Application number
EP10009206A
Other languages
German (de)
English (en)
Other versions
EP2426239B1 (fr
Inventor
Jacques Peulen
Marc Scherrer
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
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Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to EP20100009206 priority Critical patent/EP2426239B1/fr
Priority to JP2013526290A priority patent/JP5984812B2/ja
Priority to PCT/CH2011/000193 priority patent/WO2012027852A1/fr
Priority to CN201180042551.9A priority patent/CN103069062B/zh
Publication of EP2426239A1 publication Critical patent/EP2426239A1/fr
Application granted granted Critical
Publication of EP2426239B1 publication Critical patent/EP2426239B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 comber with a base body which is rotatably mounted on a shaft and carries on its outer circumference a Kämmgarnitur, wherein - seen in the radial direction of the shaft - attached to the, the Kämmgarnitur opposite side of the shaft a mass balance element is.
  • Such circular combs are used for combing machines for combing a fiber mass presented (cotton, wool, etc.), wherein the presentation of the pulp in the form of wound on sleeves wafers (short: winding) or in the form of individual slivers can be done.
  • the Kammspielterrorism (Kammspiel / Minute) have increased significantly in recent years, which also brings an increase in productivity.
  • the requirements for such a circular comb have been increased, for. B. when the circular comb no longer has a continuous speed, but is driven by a discontinuous rotational movement to better tune the system to the combing process.
  • Such an embodiment is z. B. in the Japanese Patent Publication No. 58-57529 shown and described.
  • the combing machine used in the circular combs consist of a round-head carrier, which is provided with a clamping hub, with which it is rotatably mounted on a driven circular comb shaft.
  • a combing segment is fixed, with which the presented by a nipper unit end of the fiber mass (also called fiber tuft) is combed out.
  • a device is z. B. from the published DE 101 63 663 A1 and DE 25 03 976 B2 refer to.
  • the combing segment can be composed of several parts, wherein z. B.
  • a base body may be provided on which a Kammgarnitur is attached.
  • the base body is releasably connected to the circular comb carrier.
  • the circular comb carrier has been produced as a cast part, the casting being provided with an additional mass on the opposite side of the fastening point of the combing segment.
  • the circular comb carrier thus formed itself has a large and heavy mass, which must be permanently accelerated and decelerated in the event of a discontinuous circular comb movement.
  • a discontinuous speed of the circular comb it is possible to work with higher Kammspiellibrary. With the accelerations and delays generated in this case, additional stresses are incurred on the drive unit. In addition, it can lead to undesirable vibrations of the device in unfavorable cases, which in turn can reduce the service life.
  • Ausk convinced Kämmsegmente which extend over a circumferential angle of 130 ° and more, such as. B. from the published EP 1 383 948 B1 can be seen.
  • the invention is therefore based on the object to propose a round comb, which improves known solutions and has a low moment of inertia than known solutions even at high speeds. At the same time a constant stability of the circular comb should be ensured over its entire width.
  • the solution to this problem is by proposing that the base body consists of a hollow profile, which has an outer circular arc-shaped portion for receiving the Kämmgarnitur and having an opposite inner portion, with an open towards the shaft, semicircular trough, which extending in the longitudinal direction of the hollow profile and over which the base body is supported on the shaft and fastening means are provided, with which the base body and the mass balance element are braced against each other transversely to the longitudinal direction of the shaft.
  • the thickness of the profile, in particular - in relation to the axis of rotation of the circular comb shaft - in the outer region, which carries the combing set can be kept small, especially as the profile over its entire length on the circular comb shaft supported.
  • the mass and thus the mass moment of inertia can be kept low in this area.
  • the mass balance element has a convex portion pointing in the direction of the shaft, via which it rests on a partial circumferential surface of the shaft.
  • the profile of the base element and the mass balance element can surround the circular comb shaft all around and can be joined together to form a closed unit around the circular comb shaft.
  • the hollow profile of the base body is provided with extending in its longitudinal direction and within the hollow profile webs, which divide the hollow profile into triangular cavities.
  • the wall thickness of the hollow profile can be kept low, since the transmission of forces on the triangular cavities can be optimally transmitted (due to the statics and the honeycomb arrangement) to the support on the circular comb shaft.
  • the shaft is provided with a plurality of transverse openings extending transversely to the longitudinal axis of the shaft, through which the fastening means protrude, it is ensured that the moment of inertia is only insignificantly increased by the attachment of the fastening means, since they project through the axis of rotation of the shaft ,
  • the fastening means are screws which protrude into threaded bores of the hollow profile.
  • This allows a simple and secure attachment of the hollow profile and the counterweight on the circular comb shaft.
  • the introduction of force by the screws takes place here directly in the region of the clamping surfaces with which the hollow profile and the counterweight rest on the circular comb shaft.
  • the hollow profile of the base body is made of a material with a low specific weight.
  • the hollow profile of the body can, for. B. be made of an aluminum extruded profile.
  • the fasteners are screws and at least one of the screws is a dowel whose screw shaft protrude through mating holes of the mass balance element, the shaft and the body, said at the end of the dowel mounted threaded pin is received in the threaded hole of the additional agent.
  • the mass balance element and the shaft are provided with grooves through which the mass balance element and the shaft using springs in a fixed position in the circumferential direction of the shaft is positioned.
  • the angular position of the circular comb shaft and the position of the drive shaft of the nipper unit can hereby be exactly matched to each other.
  • To keep clean the interior of the hollow profile is proposed that at both ends of the hollow profile for closing the cavity covers are attached.
  • the mass balancing element is connected to the shaft via additional fastening means. That is, after loosening the fasteners, which the mass balance element and the body against the circular comb shaft tense, the body can be removed from the circular comb shaft, while the mass balance element is still held on the round comb shaft via the additional fastening means. This facilitates assembly and disassembly.
  • FIG. 1 shows a schematic side view of a combing K of a combing machine.
  • 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, 12 about the axes 10, 15 pivoted back and forth within the scope of the combing machine.
  • the axis 10, which is also called pliers 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 attached below the nipper unit 1 on the circular comb shaft 15 round ridge R consists in the known solution shown two spaced apart fixed on the circular comb shaft 15 scars N1, N2, on the outer periphery on the one hand a base body 18 and on the other hand a mass balance 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 firmly connected via schematically illustrated screws S1 with the scars N1, N2.
  • a set G is attached above the main body 18, which extends as the compensation element AG over the entire width B of the circular comb R.
  • the angle A of the combing G marked with an angle a in known combing machines is approximately 90 degrees and is also referred to as a "combing angle".
  • the nipper unit is formed from a nipper frame 5, to which a lower nipper plate 6 is attached.
  • an upper nipper 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. About this feed roller 16 is supplied to the nipper unit 1 cotton wool W (or individual slivers) of the nip of the nipper unit supplied. After combing out of the fiber tuft FB, the nipper unit 11 is pivoted in the direction of a subsequent Abreisswalzencrue AW.
  • the nipper unit opens and the combed end of the wadding W or the tuft FB is placed on the end of a previously formed fiber fleece V V and soldered under the action of the nip of Abreisswalzen AW with this and transported away in the conveying direction F.
  • FIG. 2 shows an embodiment of an inventively designed circular comb R, wherein the base body 20 shown here is formed as a hollow profile, which is supported on a semi-circular trough 21 on a partial circumference of the circular comb shaft 15.
  • the trough 21 is located on an inner portion 22 of the base body 20, on which an outer portion 23 is supported via the ribs R1 to R4.
  • cavities H1 to H3 are formed.
  • B. from the FIG. 3 is the trough 21 over the entire width B of the circular ridge R on the peripheral surface of the circular comb shaft 15.
  • the sections 22, 23 and the ribs R1 to R4 extend across the width B of the circular ridge R.
  • the ribs R1 to R4 with over the width B of the circular ridge R distributed openings , or openings to provide. This might require an additional level of manufacturing.
  • the illustrated embodiment of the base body 20 as a hollow profile, in particular the thickness d of the outer portion 23 of the base body 20 can be made low, without the required stability and strength of the body is substantially reduced.
  • the main body 20 in the area (outer portion 22) farthest from the rotation axis A of the circular comb shaft 15 can be formed with a relatively small mass. This also significantly reduces the moment of inertia.
  • the meshing angle ⁇ 1 can be increased compared to known solutions ( ⁇ ), without resulting in an excessive moment of inertia with respect to known solutions. Ie. it would be z. B.
  • the base body 20 is formed in the region of the inner portion 22 V-shaped. Ie. the webs 22a and 22b extending outwardly from the trough 21 form a V-shaped receptacle for the mass compensation element (also referred to as a compensation element) AG1 which is likewise located on a partial circumference and along the width B on the shaft 15. Between the outer contour of the compensating element AG1 and the webs 22a, 22b, a small distance AB is provided. This ensures that the base body 20 in the region of the trough 21 and the compensating element AG1 in the region of its trough-shaped, convex portion 25 completely come to rest on the outer circumference of the circular comb shaft 15.
  • the outer contour K of the compensation element AG1 adjoins the outer contour of the ribs R1, R4 of the main body 20, whereby a closed peripheral surface of the circular ridge R (without paragraphs) is formed. This ensures that the unwanted air circulation can not occur due to the external shape of the circular ridge R. In addition, a setting of impurities (fiber flakes) in the peripheral region of the circular ridge is largely prevented.
  • the shaft is provided with several through the width B of the circular ridge R seen through holes 27 through which screws S3 protrude.
  • the head of the respective screw S3 is located in a recess 26 of the compensation element AG1.
  • a through hole 28 is provided in the compensation element AG1, which is aligned with the bore 27 of the shaft 15.
  • the end of the respective screw S3 has a thread 30, which projects into a threaded bore 31, which is provided in the region of the trough 21 of the main body 20.
  • the base body 20 and the compensation element AG1 are pressed against each other and clamped on the shaft 15 via the trough 21 and the trough-shaped portion 25 on the shaft 15 firmly.
  • the compensating element AG1 may be provided with a longitudinal groove which forms a tongue and groove joint 33 using a spring with an opposite longitudinal groove in the shaft 15, via which the angular position of the compensating element AG1 and thus also of the main body 20 can be maintained exactly , This can ensure that a predetermined angular position of the combing segment G can be exactly defined for the corresponding position of the nipper unit 1.
  • FIG. 3 Like also out FIG. 3 can be seen, several such screw with the screws S3 over the width B of the circular ridge R are arranged. This ensures that the base body 20 and also the balance weight AG1 rests uniformly and over the entire width B of the circular ridge R on the shaft 15, or is supported.
  • the compensation element AG1 is provided with further through holes 34 and recesses 35 through which screws S2 protrude.
  • the ends of the respective screws are provided with a thread, which opens into a threaded bore 36 which is provided in the shaft 15.
  • This threaded bore 36 is not continuous and extends only over part of the diameter of the shaft 15.
  • a cover 38, 39 fixed via schematically indicated screw 40, in particular to foreclose the cavities H1 to H3 of the main body 20 to the outside.
  • These covers 38, 39 can be made of lightweight material (plastic), since these only have the task of preventing the ingress of soiling (eg fiber fly) into the cavity of the main body 20.
  • FIG. 4 is a modified version after FIG. 2 shown.
  • the base body 20 with respect to the embodiment of FIG. 2 additional ribs R5, R6, through which triangular cavities H1, H2, H3, H5 and H6 are formed to increase the stability.
  • the main body 20 is provided with a through-bore 42, through which the screw S3 protrudes.
  • the end of the respective screw S3 is provided with a thread 30 which projects into a threaded bore 45 which is mounted in an insert 46.
  • the insert 46 is held in a recess 44 in its position relative to the base body 20.
  • the insert 46 has a higher strength (specific gravity) than the main body 20, whereby a deformation of the thread 45 is avoided by the tensile force of the screws S3.
  • the risk of deformation can z. B. occur when the thread 30 is mounted directly in the base body 20, which may be made of a specific lighter active ingredient.
  • Fig. 4a shows a further embodiment, which substantially the embodiment of the Figure 4 equivalent. It differs only by the use of a fitting screw S3a, via which the angular position of the base body 20 and the balance weight AG1 on the circular comb shaft 15 can be exactly fixed.
  • the fitting screw S3a eliminates the fixation by a tongue and groove joint 33, as in Figure 3 was indicated and described. That means one who lives in Figure 3 shown screws S3 is replaced by a fitting screw S3a.
  • the remaining screws S3 ( Figure 3 ), as in Figure 4 shown by through holes 28, 27 and 42 protrude, whose diameter is slightly larger than the diameter of the protruding screw shank.
  • the balance weight AG1 has a fitting bore 48, the circular comb shaft has a fitting bore 49, and the base body 20 has a fitting bore 50 in which the bolt shank 52 is received and forms a play-free fit therewith.
  • the screw head 51 of the fitting screw S3a is located in a recess 26 of the balance weight AG1.
  • the end of the fitting screw S3a is provided with a threaded pin 53, which (as in the example of Figure 4 shown) in a threaded bore 45 of an insert 46 projects.
  • Fig.5a shows an embodiment of a circular ridge R
  • the base body 20 is provided in the region of the peripheral surface U of its outer portion 23 with a shoulder A1 with a height h.
  • the combing set G fastened on this circumferential surface U (which as a rule consists of a plurality of parallel clothing strips) is likewise provided with a shoulder Z1, which corresponds in its dimension to the shoulder A1 and faces the latter.
  • the range of paragraphs A1 / Z1 is particularly from the enlarged partial view in 5a shown and shown in more detail.
  • the first section G1 of the Kämmgarnitur G has a coarser teeth with a greater tooth depth t1, compared to a finer toothing of a second section G2 with a smaller tooth depth t2. How out 5a to subtract the section G1, to which the second section G2 connects, in the region of the paragraph A1.
  • the thickness d2 of the subsection 23b ( Figure 5 ) of the outer portion 23 of the base body 20 corresponds approximately to the thickness d, in the 4 and 4a
  • the thickness d1 of the portion 23a in the region of the first portion G1 of the Kämmgarnitur G is less than the thickness d2 of the portion 23b in the region of the second portion G2 of the Kämmgarnitur G.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP20100009206 2010-09-04 2010-09-04 Peigne rond d'une peigneuse Active EP2426239B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20100009206 EP2426239B1 (fr) 2010-09-04 2010-09-04 Peigne rond d'une peigneuse
JP2013526290A JP5984812B2 (ja) 2010-09-04 2011-08-24 コーミング機械の円形コーム
PCT/CH2011/000193 WO2012027852A1 (fr) 2010-09-04 2011-08-24 Peigne rond d'une peigneuse
CN201180042551.9A CN103069062B (zh) 2010-09-04 2011-08-24 精梳机的圆梳

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20100009206 EP2426239B1 (fr) 2010-09-04 2010-09-04 Peigne rond d'une peigneuse

Publications (2)

Publication Number Publication Date
EP2426239A1 true EP2426239A1 (fr) 2012-03-07
EP2426239B1 EP2426239B1 (fr) 2013-03-06

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ID=43480691

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EP20100009206 Active EP2426239B1 (fr) 2010-09-04 2010-09-04 Peigne rond d'une peigneuse

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EP (1) EP2426239B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2789716A1 (fr) 2013-04-12 2014-10-15 Maschinenfabrik Rieter Ag Peigne rond d'une peigneuse
US20160177477A1 (en) * 2014-12-19 2016-06-23 Maschinenfabrik Rieter Ag Circular Comb Comprising a Guide Element
EP3633084A1 (fr) 2018-10-04 2020-04-08 Graf + Cie AG Peigne circulaire pour une peigneuse
EP3680371B1 (fr) * 2014-05-02 2023-02-22 Staedtler + Uhl KG Unités de peigne circulaire dotées d'un peigne circulaire fixé sur un arbre
EP4183908A1 (fr) 2021-11-23 2023-05-24 Graf + Cie AG Support pour un peigne rond d'une machine à peigner
EP4219811A1 (fr) 2022-01-28 2023-08-02 Graf + Cie AG Contrepoids pour un dispositif de peignage d'une peigneuse
DE102022210530A1 (de) 2022-10-05 2024-04-11 Staedtler + Uhl Kg Rundkamm für eine Kämmmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB205128A (en) 1922-05-11 1923-10-11 John Hetherington & Sons Ltd Improvements in or relating to machines for combing cotton, wool and the like
DE2503976B2 (de) 1974-02-07 1980-10-09 N. Schlumberger & Cie., Guebwiller, Haut-Rhin (Frankreich) Rundkammbesteckung von Flachkämmaschinen
JPS5857529A (ja) 1981-10-02 1983-04-05 Nissan Motor Co Ltd デイスクブレ−キのブレ−キロ−タ
DE10163663A1 (de) 2001-12-21 2003-07-03 Rieter Ag Maschf Rundkamm für eine Kämmaschine
EP1383948B1 (fr) 2001-04-30 2008-10-01 N. SCHLUMBERGER & CIE, S.A. Procede de peignage rectiligne et peigneuse rectiligne pour la mise en oeuvre de ce procede

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB205128A (en) 1922-05-11 1923-10-11 John Hetherington & Sons Ltd Improvements in or relating to machines for combing cotton, wool and the like
DE2503976B2 (de) 1974-02-07 1980-10-09 N. Schlumberger & Cie., Guebwiller, Haut-Rhin (Frankreich) Rundkammbesteckung von Flachkämmaschinen
JPS5857529A (ja) 1981-10-02 1983-04-05 Nissan Motor Co Ltd デイスクブレ−キのブレ−キロ−タ
EP1383948B1 (fr) 2001-04-30 2008-10-01 N. SCHLUMBERGER & CIE, S.A. Procede de peignage rectiligne et peigneuse rectiligne pour la mise en oeuvre de ce procede
DE10163663A1 (de) 2001-12-21 2003-07-03 Rieter Ag Maschf Rundkamm für eine Kämmaschine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104099691A (zh) * 2013-04-12 2014-10-15 里特机械公司 精梳机的圆梳
JP2014205944A (ja) * 2013-04-12 2014-10-30 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 コーミング機械用の円形コーム
CN104099691B (zh) * 2013-04-12 2017-11-24 里特机械公司 精梳机的圆梳
EP2789716A1 (fr) 2013-04-12 2014-10-15 Maschinenfabrik Rieter Ag Peigne rond d'une peigneuse
EP3680371B1 (fr) * 2014-05-02 2023-02-22 Staedtler + Uhl KG Unités de peigne circulaire dotées d'un peigne circulaire fixé sur un arbre
US20160177477A1 (en) * 2014-12-19 2016-06-23 Maschinenfabrik Rieter Ag Circular Comb Comprising a Guide Element
US10100442B2 (en) * 2014-12-19 2018-10-16 Maschinenfabrik Rieter Ag Circular comb comprising a guide element
EP3633084A1 (fr) 2018-10-04 2020-04-08 Graf + Cie AG Peigne circulaire pour une peigneuse
CH715430A1 (de) * 2018-10-04 2020-04-15 Graf Cie Ag Rundkamm für eine Kämmmaschine.
EP4183908A1 (fr) 2021-11-23 2023-05-24 Graf + Cie AG Support pour un peigne rond d'une machine à peigner
EP4219811A1 (fr) 2022-01-28 2023-08-02 Graf + Cie AG Contrepoids pour un dispositif de peignage d'une peigneuse
CH719390A1 (de) * 2022-01-28 2023-08-15 Graf Cie Ag Ausgleichsgewicht für eine Kämmvorrichtung einer Kämmmaschine.
DE102022210530A1 (de) 2022-10-05 2024-04-11 Staedtler + Uhl Kg Rundkamm für eine Kämmmaschine
DE102022210530B4 (de) 2022-10-05 2024-08-14 Staedtler + Uhl Kg Rundkamm für eine Kämmmaschine

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