EP1639162B1 - Entrainement d'un groupe pince d'une peigneuse - Google Patents

Entrainement d'un groupe pince d'une peigneuse Download PDF

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Publication number
EP1639162B1
EP1639162B1 EP04716526A EP04716526A EP1639162B1 EP 1639162 B1 EP1639162 B1 EP 1639162B1 EP 04716526 A EP04716526 A EP 04716526A EP 04716526 A EP04716526 A EP 04716526A EP 1639162 B1 EP1639162 B1 EP 1639162B1
Authority
EP
European Patent Office
Prior art keywords
nipper
drive
nipper unit
unit
axis
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.)
Expired - Lifetime
Application number
EP04716526A
Other languages
German (de)
English (en)
Other versions
EP1639162A1 (fr
Inventor
Daniel Sommer
Michael Rapold
Walter Slavik
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 EP1639162A1 publication Critical patent/EP1639162A1/fr
Application granted granted Critical
Publication of EP1639162B1 publication Critical patent/EP1639162B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/26—Driving arrangements
    • 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

Definitions

  • the invention relates to a nipper unit of a comber, with a, a lower tong plate having forceps frame, which is reciprocated by a drive element via at least one pivot arm, which is pivotally mounted about the axis of a rotatably mounted below the nipper unit in the machine frame circular comb.
  • a nipper unit which carries out a reciprocating motion via pivot arms.
  • the pivot arms which are rotatably connected to the clamp frame, form a four-bar linkage.
  • the pliers lip of the lower pliers plate moves away in the direction of the Abreisszylinder from the outer circle of the circular comb segment and in its backward movement in a rear position again approaches this enveloping circle.
  • the nipper unit is closed, wherein the fiber tuft protruding beyond the nipper lip is presented to the circular comb segment for combing out.
  • the timing of the opening and closing of the pliers, as well as the switching safety of the supply via the position of the struts, or their eccentric drive is controlled.
  • this device provides in conjunction with this drive device of the nipper unit an optimized clamping action and a good adjustment, but represents a relatively complex and costly design.
  • a drive assembly of a nipper unit wherein a lower tong plate is fixedly connected to a lever whose pivot axis is arranged below a circular comb.
  • a link rod At the rear end of the clamp frame engages a link rod, which is connected to two rotatable on one axis levers.
  • These levers carry at their ends rollers which are guided on a respective driven cam. About this cam the movement of the nipper unit is controlled.
  • a disadvantage of this design is that the distance from the forceps nip to the enveloping circle of the circular comb segment does not remain constant during Auskmmvorganges, since the pivot axis of the pivot arm of the lower tong plate is located far below the circular comb axis.
  • the object of the invention is achieved by the free end of the pivotable about the circular comb axis pivotally mounted arm is firmly connected to the nipper frame. This ensures on the one hand that the Auskarmm2020 remain constant throughout the combing process and collisions between the circular comb segment and the lower pliers plate are excluded.
  • At least one further, connected via a rotary joint with the forceps frame pivot arm is provided, which is coupled to the drive element, which is in communication with a drive .
  • the drive element which is in communication with a drive .
  • For easy transmission of the drive movement is proposed to form the other two-arm swing arm and provided with a hinge.
  • an upper tong plate mounted on the forceps frame via lateral pivot arms is arranged, wherein the pivot arms are each based on a pivotable about a shaft strut and the axis of the pivotable struts is fixedly arranged in the machine frame below the nipper unit.
  • the axes of the struts - as seen in the material flow direction - can be arranged behind the circular comb axis and below, the puller unit following Abreisszylindern.
  • the mounting of the axis of the struts is mounted transversely to its longitudinal direction adjustable in the machine frame.
  • the struts may consist of pressure springs guided in cylinders.
  • pivot arms are fastened releasably via fastening means on the tong frame, it is possible to set this described, minimum distance by inserting, or by removing spacer plates. This also existing manufacturing tolerances can be compensated.
  • the drive means for the further (or rear pivot arm) is adapted to convert a continuous movement generated by a main drive into a discontinuous movement. It is preferably proposed to make this discontinuous movement adjustable.
  • the drive means may also be designed in the form of a driven cam disc, which is non-rotatably connected to a shaft continuously driven by the main drive.
  • Figure 1 shows a nipper unit 1, which is pivotally mounted on the crank arms 2, 3.
  • crank arms 2 are each mounted laterally of a circular comb 4 on the circular comb shaft 5 pivotally.
  • the other end of the pivot arms 2 is rotatably mounted on the clamp frame 8.
  • the rear pivot arm 3 (there may also be two) is rotatably mounted on a gun shaft 10.
  • the opposite free end of the pivot arm 3 is rotatably connected via a shaft 9 with the clamp frame 8.
  • the nipper unit 1 consists essentially of a fixed to the forceps frame 8 lower pliers plate 12 and an upper pliers plate 14 (partially also called pliers blade), which is attached to two pivot arms 15, 15 '. These pivoting arms are pivotally mounted on the tong frame 8 via a pivot axis 16.
  • the pivot arms 15, 15 ' are each connected to a spring leg 18, which in turn are mounted on a driven eccentric 21 via an axis 20.
  • a Abreisszylindercru 24 is provided.
  • the drive of this tear-off cylinder 24 via a schematically shown drive train 25 of a transmission G, which is driven by a motor M.
  • the control of the motor M takes place via a control unit ST.
  • the drive of the forceps shaft 10 is effected by a portion of the transmission G 1, which is designed to convert a generated by the motor M, continuous rotational movement in a discontinuous rotational movement.
  • a feed cylinder 27 is rotatably mounted, which performs a discontinuous rotation about a drive, not shown in detail, to transport the supplied cotton W sections.
  • the drive of the eccentric 21 as well as the drive of the circular comb shaft 5 takes place, as shown schematically by the drive connections 30, 31, also from the transmission G.
  • the nipper unit 1 In the position shown in Figure 1, the nipper unit 1 is in a rear position, wherein the pliers is closed and the cotton wool W via the pliers plate 14, and 12, is clamped. The fiber beard FB projecting beyond the clamping point is subsequently grasped and combed out by the comb segment 7 of the circular comb 4. Subsequently, the pivot arm 3 is pivoted to the left on the forceps shaft 10, whereby the nipper unit 1 is pivoted about the pivot arm 2 in the direction of the Abreisszylinder 24. In this pivoting operation, the nipper unit opens and enters a front position in which the combed fiber tuft FB is placed on the end E of the web V.
  • the end of the tuft FB in cooperation with the end E of the fiber web V enters the nip K of the tear-off cylinders 24, whereby the fibers not retained in the nipper unit 1 are pulled out of the cotton W.
  • a fixed comb in engagement which is not shown for clarity, however.
  • the ends of the fiber tuft FB are covered with the end E of the fiber fleece V, whereby a so-called soldering takes place as soon as the clamping point K has been passed.
  • the pliers return to the position shown in Figure 1, whereby a further Auskvorgang is started.
  • FIG. 2 shows the embodiment of the drive arrangement for the nipper unit 1 claimed in accordance with the invention.
  • the nipper unit 1 is also pivoted about a circular comb shaft 5 of a circular comb 4 mounted on both sides of the circular comb pivot arms 2 a during its reciprocation.
  • the pivot arm 2 a is fixed to the clamp frame 8.
  • the distance a between the nipper lip 13 of the lower nipper plate 12 and the enveloping circle H of the comb segment 7 remains constant during the pincer movement.
  • the pivoting arms 2a are each formed from two parts 2a, 2a, which are detachably connected to one another via fastening elements, for example screws 22.
  • the upper part 2a is fixed to the latter Pliers frame 8 connected.
  • the connection point 17 is designed in such a way that corresponding spacers 19 can be inserted between the sections 2 a 'and 2 a "which serve to set the distance a.
  • the rear pivot arm 3a is made in two parts with an arm 3a 'and 3a "pivotally connected to each other via a hinge 3b.
  • the other end of the arm 3a" is pivotally supported on the shaft 9 of the tong frame 8.
  • *** " The arm 3a 'is on the end, which is opposite to the joint 3b, attached to a clamping hub 32, which in turn rotatably connected to the forceps shaft 10 is connected.
  • the clamping hub 32 is designed in two parts, wherein both parts are connected to each other via fastening means not described in detail, whereby at the same time the rotationally fixed connection with the shaft 10 is generated.
  • the drive of the tear-off cylinder 24, the circular comb shaft 5 and the forceps shaft 10 corresponds to the drive of the embodiment already described in Figure 1 and is therefore not further explained here.
  • the pivot arms 15 a, 15 b which are connected to the upper tong plate 14, below the feed cylinder 27th pivotally mounted about the axis 16 a.
  • a strut 18 a which is equipped with a compression spring F.
  • the other end of the struts 18a is pivotally mounted on an axle 34 which is mounted in the machine frame MG.
  • the axis 34 is fixed to a bearing element 35, which in turn is releasably secured by screws 36 to a holder 37.
  • the holder 37 is fixedly connected to the machine frame MG.
  • the connection between the bearing element 35 and the holder 37 is provided such that the bearing element 35, or the axis 34, is adjustable with respect to the holder 37, which was indicated by a double arrow.
  • the axis 34 is additionally mounted adjustably in the vertical direction.
  • This adjustability of the axis 34 allows adjustability of the clamping forces in the nipper lip 13, which are applied by the action of the spring force of the spring F.
  • via adjustability of the axle 34 e.g. the closing time of the pliers are set. It is also possible to compensate for an adjustment of the Ecartements (smallest distance between the nipper lip and clamping point of the Abreisszylinder) by a displacement of the axis 34. This is to ensure that the conditions "clamping force / forceps movement" remain constant.
  • the Auskmmvorgang the tuft FB has already begun by the comb segment 7.
  • the nipper unit 1 moves by the application of the forceps shaft 10 via the gear part G 1 in the direction of the tear-off cylinder 24 in a forward position in which the forceps is open.
  • the pliers 1 are again pivoted into a rear position via the driven forceps shaft 10, which is shown in FIG.
  • the piston 39 of the strut 18 a moves in the direction of the joint 23 and thus shortens the spring length of the spring F.
  • the upper pliers plate 14 is brought into closed position with the lower pliers plate 12, wherein the spring force generated by the spring F. the clamping force in the area of the pliers lip 13 applies.
  • the minimum distance a between the nipper lip 13 and H enveloping circle H can be set optimally and kept constant and on the other hand can be dispensed with additional drive elements for moving the upper tong plate 14.
  • FIGS. 3 and 4 Further examples of the drive of the two-part pivoting arm 3a are shown in simplified form in the further FIGS. 3 and 4. In these simplified representations, individual parts have been omitted for reasons of clarity, as can be seen for example in comparison with FIG.
  • the forceps shaft 10 is directly driven by a separate single motor M 1.
  • On the motor shaft M 1 is an encoder E 1, which detects the angular position of the motor shaft.
  • the drive of the tear-off cylinder 24 and the circular comb shaft 5 takes place, as already described in FIG. 2, via the drive connections 25 and 31, respectively, from a central transmission G.
  • the transmission G is driven by a main motor M, on whose drive shaft also an encoder EM is arranged.
  • the drive of the additional motor M 1 is controlled accordingly. That is, the position of the rotation angle of the drive shafts of the motors M, M 1 are coordinated. As a result, the pivoting movement of the pliers 1 with the rotational movements of the circular comb 4, or the tear-off cylinder 24, are coordinated with each other.
  • FIG. 4 shows an arrangement in which, instead of the additional gear part G 1, a cam 42 is used in order to produce a discontinuous movement on the forceps shaft 10.
  • the cam 42 is seated on a shaft 43 which is fixedly mounted in the machine frame and is connected via the drive connection 45 to the transmission G in drive connection.
  • the transmission G is driven by a main motor M, which is controlled by the control unit ST.
  • the drive of the shaft 43 is continuous.
  • a roller 46 which is fixedly connected via an arm 47 with the forceps shaft 10 runs. Via a spring F 1, the roller 46 is held in contact with the circumference of the cam 42.
  • FIG. 5 shows a further possibility of a drive arrangement for the nipper unit 1.
  • an arm 52 is rotatably connected via a rotary joint 9 with the nipper frame 8.
  • On the other end of the arm 52 this is rotatably mounted on an eccentric disk 50 via an eccentric 51.
  • the eccentric disc 50 is driven via the drive connection 45 shown schematically by a motor M via a gear G.
  • a gear G about this gear and the circular comb 4 and the Abreisszylinder 24 is driven, as already described in the previous examples. It is also conceivable to provide other drive options.

Landscapes

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

Claims (15)

  1. Dispositif de serrage (1) pour une peigneuse, comprenant un cadre de serrage (8) présentant une plaque de serrage inférieure (12) et pouvant être déplacé d'avant en arrière par un élément d'entraînement (10, G) par le biais d'au moins un bras pivotant (2a), lequel est monté de manière pivotante autour de l'axe (5) d'un peigne rond (4) monté à rotation sous le dispositif de serrage (1) dans le bâti de la machine (MG),
    caractérisé en ce que l'extrémité libre du bras pivotant (2a) monté de manière pivotante autour de l'axe du peigne rond (5) est connectée fixement au cadre de serrage (8).
  2. Dispositif de serrage (1) selon la revendication 1, caractérisé en ce qu'il est prévu au moins un autre bras pivotant (3a) connecté par le biais d'une articulation à rotule (9) au cadre de serrage (8), lequel est accouplé à l'élément d'entraînement (10, G) qui est en liaison avec un entraînement (M, M1).
  3. Dispositif de serrage (1) selon la revendication 2, caractérisé en ce que le bras pivotant supplémentaire (3a) dispose de deux membres et est pourvu d'une articulation à rotule (3b).
  4. Dispositif de serrage selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'une plaque de serrage supérieure (14) montée par le biais de bras pivotants latéraux (15a, 15b) est disposée sur le cadre de serrage (8), les bras pivotants étant à chaque fois articulés à une jambe de force (18a) pouvant pivoter autour d'un axe (34) et l'axe (34) des jambes de force pivotantes étant disposé fixement dans le bâti de la machine (MG) en dessous du dispositif de serrage (1).
  5. Dispositif de serrage (1) selon la revendication 4, caractérisé en ce que le support (35) de l'axe (34) des jambes de force (18a) est fixé de manière déplaçable transversalement à la direction longitudinale de l'axe (34) dans le bâti de la machine (MG).
  6. Dispositif de serrage (1) selon la revendication 4, caractérisé en ce qu'un dispositif de commande (36) pour le support (35) est pourvu de marquages d'ajustement.
  7. Dispositif de serrage selon la revendication 4, caractérisé en ce que l'axe (34) des jambes de force (18a) - vu dans la direction du flux de matériau - est disposé derrière l'axe du peigne rond (5) et sous des cylindres d'arrachage (24) suivant le dispositif de serrage (1).
  8. Dispositif de serrage (1) selon l'une quelconque des revendications 4 à 7, caractérisé en ce que les jambes de force (18a) se composent de ressorts de compression (F) guidés dans des cylindres.
  9. Dispositif de serrage (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que des moyens (17, 22) sont prévus pour modifier la longueur des bras pivotants avant (2a).
  10. Dispositif de serrage (1) selon la revendication 9, caractérisé en ce que les bras pivotants avant (2a') sont fixés de manière détachable par le biais de moyens de fixation (22) sur le cadre de serrage (8).
  11. Dispositif de serrage (1) selon l'une quelconque des revendications 1, 2 ou 3, caractérisé en ce que l'élément d'entraînement (G1) est réalisé de manière à convertir un mouvement continu produit par un entraînement principal (G) en un mouvement discontinu.
  12. Dispositif de serrage (1) selon la revendication 11, caractérisé en ce que des moyens sont prévus pour ajuster le mouvement discontinu.
  13. Dispositif de serrage (1) selon la revendication 11, caractérisé en ce que l'élément d'entraînement est une came (42) qui est connectée de manière fixe en rotation à un arbre (43) entraîné en continu par un entraînement principal (G).
  14. Dispositif de serrage (1) selon la revendication 1 ou 2, caractérisé en ce que le moyen d'entraînement est un moteur d'entraînement (M1) dont la commande de l'angle de rotation est accouplée à la commande (EM) du moteur d'entraînement principal (M) ou à un moyen entraîné par le moteur d'entraînement principal.
  15. Dispositif de serrage (1) selon la revendication 1, caractérisé en ce qu'au moins un bras supplémentaire (52) est connecté par le biais d'une articulation à rotule (9) au cadre de serrage (8), lequel est monté avec son autre extrémité de manière à pouvoir tourner sur un excentrique (51) qui est en liaison d'entraînement avec un entraînement (G, M).
EP04716526A 2003-04-02 2004-03-03 Entrainement d'un groupe pince d'une peigneuse Expired - Lifetime EP1639162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5752003 2003-04-02
PCT/CH2004/000124 WO2004088011A1 (fr) 2003-04-02 2004-03-03 Entrainement d'un groupe pince d'une peigneuse

Publications (2)

Publication Number Publication Date
EP1639162A1 EP1639162A1 (fr) 2006-03-29
EP1639162B1 true EP1639162B1 (fr) 2007-05-09

Family

ID=33102865

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04716526A Expired - Lifetime EP1639162B1 (fr) 2003-04-02 2004-03-03 Entrainement d'un groupe pince d'une peigneuse

Country Status (5)

Country Link
EP (1) EP1639162B1 (fr)
JP (1) JP2006522230A (fr)
CN (1) CN1768172A (fr)
DE (1) DE502004003779D1 (fr)
WO (1) WO2004088011A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005056571B8 (de) * 2005-11-25 2010-05-27 Oerlikon Textile Gmbh & Co. Kg Kämmmaschine mit Drehstellungs-Antrieb
DE502009000356D1 (de) * 2008-04-08 2011-03-17 Rieter Ag Maschf Antrieb für Zangenaggregat einer Kämmmaschine
CH700285A2 (de) * 2009-01-26 2010-07-30 Rieter Ag Maschf Antriebsvorrichtung für die Abreisswalzen einer Kämmmaschine.
CH712606A1 (de) * 2016-06-27 2017-12-29 Rieter Ag Maschf Vorrichtung für eine Kämmmaschine.
CH714581A1 (de) * 2018-01-23 2019-07-31 Rieter Ag Maschf Antriebsvorrichtung für ein Zangenaggregat einer Kämmmaschine.
CH714583A1 (de) * 2018-01-23 2019-07-31 Rieter Ag Maschf Antriebsvorrichtung für eine Kämmmaschine.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB856515A (en) * 1957-06-07 1960-12-21 Rieter Joh Jacob & Cie Ag Means for supplying lap to the nipper mechanisms of textile combing machines
EP0354456A3 (fr) * 1988-08-12 1991-01-09 Maschinenfabrik Rieter Ag Machine de peignage
CH683847A5 (de) * 1991-09-20 1994-05-31 Rieter Ag Maschf Gesteuerter Wickelwalzenantrieb einer Kämmaschine.

Also Published As

Publication number Publication date
CN1768172A (zh) 2006-05-03
WO2004088011A1 (fr) 2004-10-14
DE502004003779D1 (de) 2007-06-21
JP2006522230A (ja) 2006-09-28
EP1639162A1 (fr) 2006-03-29

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