EP0401162B1 - Machine de peignage - Google Patents

Machine de peignage Download PDF

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Publication number
EP0401162B1
EP0401162B1 EP90810372A EP90810372A EP0401162B1 EP 0401162 B1 EP0401162 B1 EP 0401162B1 EP 90810372 A EP90810372 A EP 90810372A EP 90810372 A EP90810372 A EP 90810372A EP 0401162 B1 EP0401162 B1 EP 0401162B1
Authority
EP
European Patent Office
Prior art keywords
lap
combing
carrying device
sliver
cotton
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
EP90810372A
Other languages
German (de)
English (en)
Other versions
EP0401162A1 (fr
Inventor
Gian-Carlo Mondini
Hans-Ulrich Eichenberger
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 EP0401162A1 publication Critical patent/EP0401162A1/fr
Application granted granted Critical
Publication of EP0401162B1 publication Critical patent/EP0401162B1/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
    • D01G19/08—Feeding apparatus

Definitions

  • the invention relates to a combing machine with a plurality of combing heads, wherein each combing head contains a rear carrying device with at least one first drivable winding roller for a first cotton roll and a front carrying device with at least one second drivable winding roll for a second cotton roll and each combing head has a transport device for setting down of cotton wraps is assigned to the front support device.
  • a comb chair with a single combing head of the specified type is described in DE-B-24 34 898.
  • the transport device is actuated so that it places a new wad of cotton on the front carrying device (or on the cotton wad that is now running from the second cotton wad). No precautions have been taken to prevent thickened areas or areas of reduced thickness of the superimposed cotton bands from appearing between the end of the cotton tape from the first cotton roll and the beginning of the cotton tape from the new cotton roll.
  • the object of the invention is to design the combing machine specified at the outset with a plurality of combing heads in such a way that it is possible to carry out a winding change in such a way, and at the same time also with some or all of the combing heads of the machine, that between the end of a cotton band that starts from the first Cotton swab has expired, and the beginning of a cotton tape on a new cotton roll that is deposited by the transport device on the front support device, thickening and places with reduced thickness are automatically avoided.
  • each combing head contains a device for severing of the cotton tape which has been unwound from the first cotton roll and runs to the front carrying device, in order to form a defined end of this cotton tape at a predetermined location, and that a control device, which is assigned to at least some of the combing heads, is provided for controlling the devices for cutting through and the transport devices of these combing heads, that the transportation facilities are new Place the cotton wrap on the front support devices at such a time that the beginnings of the cotton strips on these new cotton rolls are aligned with the ends of the cotton tape formed by the severing devices and leading to the front support devices.
  • the control device can expediently also control devices for removing empty or almost empty winding sleeves from the rear carrying devices and devices for rolling the second wadding rolls backwards from the front onto the rear carrying devices.
  • the essential combing tools of the combing head shown schematically in FIG. 1 are a rotatable circular comb 1, a fixed comb 2, two tear-off cylinders 3 and a pair of pliers with a pair of lower pliers 4 and an upper plier 5 which can be pivoted with respect to the lower pliers 5 stored.
  • the feed cylinder 6 is supplied with two cotton bands I and II lying parallel to one another.
  • the cotton tape I is unwound from a first cotton roll 7, which is carried on a rear support device.
  • the rear support device consists of two parallel winding rollers 8 and 9, at least one of which can be driven.
  • the cotton tape II is unwound from a second cotton roll 10, which on a front support device is worn.
  • the front support device again consists of two winding rollers 11 and 12, which are parallel to each other and to the winding rollers 8 and 9. At least one of the winding rollers 11 and 12 can be driven.
  • the first cotton band I runs over the front carrier device, ie over the winding rollers 11 and 12, and the second cotton roll 10 lies over the front carrier device on the first cotton band I.
  • the combing machine contains several, e.g. eight comb heads of the type described, arranged in a row. If in one of the combing heads of the machine the cotton tape I is at least almost completely unwound from the first wadding roll 7, then a winding change is carried out automatically and without switching off the combing machine, simultaneously with all combing heads of the machine or at least with one group of combing heads, e.g. with four combing heads.
  • each combing head contains a detector (not shown) which e.g. 2 determines the time at which the end E of the first cotton tape I appears on the winding tube of the first cotton roll 7.
  • This detector can, for example, be a photocell that detects the difference in brightness between the lighter cotton tape and the darker winding tube of the cotton roll 7.
  • the detector emits a signal which starts a program control device (not shown) which then simultaneously effects the operations described below in all combing heads of the machine or at least in one group of the combing heads.
  • a device for removing the empty or almost empty winding tube of the first cotton roll 7 from the rear support device 8, 9 is actuated.
  • This facility contains, for example Device for moving the rear winding roller 9 into the position indicated with a broken line in FIG. 2, for example a device 13 (FIG. 1) for pivoting arms 14 carrying the rear winding roller 9.
  • This displacement increases the distance between the winding rollers 8 and 9 enlarged to such an extent that the empty or almost empty winding tube falls down between the two winding rollers.
  • a guide 15 is expediently arranged under the winding rollers 8 and 9, on which the winding tube then rolls backwards.
  • the cotton residue remaining on the winding tube - which will of course have slightly different lengths in the different combing heads - unwinds and remains on the guide 15.
  • the empty winding tube rolls onto a collecting tray 16, as shown in FIG. 3.
  • the device for severing can contain, for example, means for pressing the cotton tape I against the driven winding roller 8 so that it moves the cotton tape I further, and means for holding the cotton tape I directly behind the winding roller 8 so that the cotton tape tears here.
  • the means for pressing the cotton tape I against the winding roller 8 can include means for moving the winding roller 9 against the winding roller 8 as shown in FIG. 4, for example the already mentioned device 13 (FIG.
  • the swivel arms 14 can at the same time carry a clamp rail 17 which is connected to a fixed, For example, pliers rail 18 attached to the guide 15 cooperate in order to clamp the cotton tape I behind the winding roller 8.
  • the cotton tape I moved on by the winding rollers 8 and 9 then tears between them and the tong rails 17, 18, and a new, defined end E.1 of the cotton tape I is created.
  • a device for removing the separated rear end portion of the cotton tape I from the guide 15 is operated.
  • a suction channel 19 opens into the guide 15 from below, in which a negative pressure is generated, as indicated in FIG. 5.
  • a device is actuated which brings the second wad of cotton 10 backwards from the front carrying device 11, 12 onto the rear carrying device 8, 9.
  • This device contains, for example, a plunger 20 which pushes the cotton roll 10 backwards so that it rolls on the cotton tape I (supported by a guide 21) into the position shown in FIG. 6.
  • Each combing head is assigned a transport device for depositing new cotton bobbins on the front carrying device 11, 12. Of this transport device, only one support arm 22 with a pin 23 is shown in FIGS. 1 and 7.
  • the transport device 22, 23 is now actuated in order to place a new cotton roll 24 on the cotton bands I and II, which run over the winding rollers 11 and 12 of the front carrying device.
  • the start A of the cotton tape on the new cotton roll 24 is positioned on the circumference of this roll so that this start A at the time of Placing the winding 24 on the front support device has the same distance from the winding roller 12 as the end E.1 of the first cotton tape I.
  • FIG. 8 shows a state as it can occur after the start A and the end E.1 have left the winding roller 11.
  • the start A may be attached to the circumference of the new roll 24. Therefore, a detaching device for detaching the start A from the circumference of the roll 24 is now actuated.
  • the detaching device is, for example, a suction nozzle 25, which is moved towards the circumference of the cotton roll 24 in order to detach the start A.
  • the suction nozzle 25 is then withdrawn again and the negative pressure is switched off, so that the start A, as shown in FIG. 9, lies on the cotton tape II coming from the cotton roll 10.
  • a suction roller or a mechanical element could of course also be used in order to detach the beginning A from the circumference of the new wadding roll 24 and to place it on the wadding band II.
  • the start A of the cotton tape from the new cotton roll 24 lying on the cotton tape II then runs together with the cotton tape II through a pair of press rollers 26 which presses the start A onto the tape II.

Landscapes

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

Claims (11)

  1. Peigneuse possédant plusieurs têtes de peignage, dans laquelle chaque tête de peignage comprend un arrangement porteur arrière (8, 9) avec au moins un cylindre dérouleur de nappe commandable pour un premier rouleau de nappe (7) et un deuxième arrangement porteur de devant (11, 12) avec au moins un deuxième cylindre dérouleur de nappe commandable pour un deuxième rouleau de nappe (10), et qu'un arrangement de transport (22, 23) servant à déposer des rouleaux de nappe (24) sur l'arrangement porteur de devant (11, 12) est adjoint à chaque tête de peignage,
    caractérisée par le fait que
    chaque tête de peignage comprend un arrangement (8, 9, 17, 18) servant à séparer la nappe de rubans (I) se déroulant du premier rouleau de nappe (7) vers l'arrangement porteur de devant (11, 12), afin de former, à un endroit prédéterminé, une extrémité définie (E.1) de cette nappe de rubans (I), et qu'un arrangement de commande, adjoint en commun à au moins quelques unes des têtes de peignage, est prévu pour commander les arrangement de séparation (8, 9, 17, 18) et les arrangement de transport (22, 23) de ces têtes de peignage, de telle manière que les arrangements de transport (22, 23) déposent de nouveaux rouleaux de nappe (24) à un moment tel sur les arrangements porteurs de devant (11, 12) que les débuts (A) des nappes de rubans de ces nouveaux rouleaux de nappe (24) soient alignés sur les extrémités de nappes de rubans (E.1) formées par les arrangements de séparation (8, 9, 17, 18) et se dirigeant vers les arrangements de transport de devant (11, 12).
  2. Peigneuse selon revendication 1,
    caractérisée par le fait que
    chaque tête de peignage comprend un détecteur, servant à détecter l'extrémité (E) de la nappe de rubans (I) se déroulant du premier rouleau de nappe (7) et à donner un signal pour actionner l'arrangement de commande adjoint.
  3. Peigneuse selon revendication 1 ou 2,
    caractérisée par le fait que
    chaque tête de peignage comprend un arrangement (13, 14, 15), commandé de préférence par l'arrangement de commande adjoint, servant à éloigner des fuseaux de rouleau vides ou presque vides de l'arrangement porteur arrière (8, 9).
  4. Peigneuse selon revendication 3,
    caractérisée par le fait que
    chaque tête de peignage comprend un arrangement (20) qui peut être actionné, de préférence par l'arrangement de commande adjoint, afin de rouler le deuxième rouleau de nappe (10) de l'arrangement porteur de devant (11, 12) sur l'arrangement porteur arrière (8, 9).
  5. Peigneuse selon revendication 3 ou 4,
    caractérisée par le fait que
    l'arrangement (13, 14, 15) servant à éloigner des fuseaux de rouleau comprend un guidage (15) et des moyens (13, 14) pour faire rouler les fuseaux de rouleau vers l'arrière sur le guidage (15).
  6. Peigneuse selon revendication 5, dans laquelle l'arrangement porteur arrière (8, 9) comprend deux cylindres dérouleurs de nappe,
    caractérisée par le fait que
    les moyens (13, 14) servant à faire rouler les fuseaux de rouleau vers l'arrière comprennent des moyens pour augmenter la distance entre les deux cylindres dérouleurs de nappe (8, 9) de l'arrangement porteur arrière.
  7. Peigneuse selon revendication 5 ou 6,
    caractérisée par le fait que
    l'arrangement (8, 9, 17, 18) servant à séparer est agencé pour séparer la nappe de rubans (I) au-dessus du guidage (15), après qu'un fuseau de rouleau a été roulé vers l'arrière sur le guidage (15).
  8. Peigneuse selon revendication 7,
    caractérisée par le fait que
    l'arrangement (8, 9, 17, 18) servant à séparer comprend des moyens pour presser la nappe de rubans (I) sur le cylindre dérouleur de nappe commandé (8) de l'arrangement porteur arrière (8, 9), par exemple un deuxième cylindre dérouleur de nappe (9), mobile vers le cylindre dérouleur de nappe commandé (8), de l'arrangement porteur arrière (8, 9), et des moyens (17, 18) pour maintenir la nappe de rubans (I) derrière le cylindre dérouleur de nappe (8) commandé.
  9. Peigneuse selon revendication 7 ou 8,
    caractérisée par le fait que
    chaque tête de peignage comprend des moyens pour éloigner du guidage (15) des extrémités arrière séparées de la nappe de rubans (I), par exemple avec un canal d'aspiration (19) dont l'embouchure repose dans le guidage.
  10. Peigneuse selon l'une des revendications 1 à 9,
    caractérisée par le fait que,
    dans chaque tête de peignage, des moyens (25) sont disposés devant l'arrangement de devant (11, 12), par exemple une buse d'aspiration ou un rouleau d'aspiration, pour détacher le début (A) de la nappe de rubans d'un nouveau rouleau de nappe (24), disposé sur l'arrangement porteur de devant, et pour déposer ce début (A) sur le rouleau de nappe (II) venant de l'arrangement porteur arrière (8, 9).
  11. Peigneuse selon l'une des revendications 1 à 10,
    caractérisée par le fait que,
    dans chaque tête de peignage, des rouleaux de pression (26) sont disposés devant l'arrangement porteur de devant (11, 12) pour presser l'une sur l'autre les deux nappes de rubans (I, II) venant de l'arrangement porteur de devant (11, 12).
EP90810372A 1989-06-01 1990-05-22 Machine de peignage Expired - Lifetime EP0401162B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2067/89 1989-06-01
CH2067/89A CH679488A5 (fr) 1989-06-01 1989-06-01

Publications (2)

Publication Number Publication Date
EP0401162A1 EP0401162A1 (fr) 1990-12-05
EP0401162B1 true EP0401162B1 (fr) 1993-10-06

Family

ID=4225123

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810372A Expired - Lifetime EP0401162B1 (fr) 1989-06-01 1990-05-22 Machine de peignage

Country Status (6)

Country Link
US (1) US5038441A (fr)
EP (1) EP0401162B1 (fr)
JP (1) JPH0314630A (fr)
CH (1) CH679488A5 (fr)
DD (1) DD300110A5 (fr)
DE (1) DE59002976D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2645421B2 (ja) * 1988-05-18 1997-08-25 株式会社原織機製作所 ラップを自動継ぎする方法と装置
CH680670A5 (fr) * 1990-01-17 1992-10-15 Rieter Ag Maschf
CH681894A5 (fr) * 1990-10-22 1993-06-15 Rieter Ag Maschf
CH683191A5 (de) * 1991-05-22 1994-01-31 Rieter Ag Maschf Einrichtung zum Sammeln von Wattestücken, die in Kämmaschinen von Wattebändern abgetrennt werden.
US5430917A (en) * 1992-12-11 1995-07-11 Howa Machinery, Ltd. Method and apparatus for piecing lap sheets
IT1306948B1 (it) * 1999-01-14 2001-10-11 Marzoli Spa Procedimento e dispositivo automatico di sostituzione della teletta,preparazione e giunzione dei suoi lembi e riavviamento in una
DE10037143A1 (de) * 2000-07-31 2002-02-14 Rieter Ag Maschf Nachführung eines Reservewickels an einer Kämmaschine
EP1718175A1 (fr) * 2004-02-10 2006-11-08 Jennifer Owen Protection pour l'allaitement au sein
JP6372476B2 (ja) * 2015-11-02 2018-08-15 株式会社豊田自動織機 コーマにおけるラップ切断方法及びラップ切断装置
DE102016108423A1 (de) * 2016-05-06 2017-11-09 Rieter Ingolstadt Gmbh Verfahren zum Handhaben eines Fadenendes und Spulstelle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853571C (de) * 1942-02-14 1952-10-27 Alsacienne Constr Meca Vorrichtung zum Auflegen von Speisewickeln auf Flachkaemmaschinen
US2559074A (en) * 1945-05-17 1951-07-03 Terrell Mach Co Lap changer for combing machines
DE1283718B (de) * 1960-05-28 1968-11-21 Cotton Silk & Man Made Fibres Vorrichtung zum Zufuehren eines Faserbandes, eines Vlieses oder einer Wattebahn zu einer Spinnereivorbereitungsmaschine
GB1058925A (en) * 1962-08-22 1967-02-15 Kureha Spinning Co Ltd Process and apparatus for producing continuously combed sliver from carded sliver
US3388432A (en) * 1963-10-11 1968-06-18 Kureha Spinning Co Ltd Apparatus for automatically transporting and supplying laps from a lap machine
JPS563932B2 (fr) * 1973-07-20 1981-01-28
CH572529A5 (en) * 1974-01-29 1976-02-13 Witschi & Co Comber lap monitor unit - has two convex lenses in photo-electric unit to detect lap end
CH625564A5 (fr) * 1977-08-24 1981-09-30 Rieter Ag Maschf
DE3363812D1 (en) * 1983-03-02 1986-07-03 Rieter Ag Maschf Conveying apparatus for spinning preliminaries
IT1222897B (it) * 1987-10-13 1990-09-12 Marzoli & C Spa Impianto per il trasporto automatico delle telette di cotone da uno stiro riunitore ad un gruppo di pettinatrici

Also Published As

Publication number Publication date
CH679488A5 (fr) 1992-02-28
DE59002976D1 (de) 1993-11-11
DD300110A5 (de) 1992-05-21
EP0401162A1 (fr) 1990-12-05
JPH0314630A (ja) 1991-01-23
US5038441A (en) 1991-08-13

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