EP0677603A2 - Machine de peignage - Google Patents

Machine de peignage Download PDF

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Publication number
EP0677603A2
EP0677603A2 EP95110324A EP95110324A EP0677603A2 EP 0677603 A2 EP0677603 A2 EP 0677603A2 EP 95110324 A EP95110324 A EP 95110324A EP 95110324 A EP95110324 A EP 95110324A EP 0677603 A2 EP0677603 A2 EP 0677603A2
Authority
EP
European Patent Office
Prior art keywords
cotton
combing
winding
pair
transport rollers
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
EP95110324A
Other languages
German (de)
English (en)
Other versions
EP0677603A3 (fr
EP0677603B1 (fr
Inventor
Fredy Wichtermann
Giancarlo Mondini
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 EP0677603A2 publication Critical patent/EP0677603A2/fr
Publication of EP0677603A3 publication Critical patent/EP0677603A3/fr
Application granted granted Critical
Publication of EP0677603B1 publication Critical patent/EP0677603B1/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 method and a device for preparing running cotton ends of windings in a combing machine provided with several combing heads, each combing head being presented with a winding for combing out and each combing head being provided with a detector device for determining the point in time at which the Cotton tape has almost completely run out of a first roll.
  • a detector device in such a combing machine, e.g. with a photocell or a light barrier, which switches off the machine when the end of the cotton tape runs off the roll.
  • the carrying device is then loaded with a new wad of cotton by hand or by a transport device.
  • the beginning of the cotton tape from the new roll is then placed manually on the (possibly torn to the correct length) end of the cotton tape from the previous roll and connected to it by pressing, after which the machine can start again.
  • this process is very time-consuming and creates different attachment points.
  • This device is intended for changing an individual roll on a combing head, the roll change being carried out while the machine is running, that is to say without interrupting the combing process.
  • the transport system for adding additional reserve windings is heavily loaded by the respective change of a single winding.
  • the object of the invention is to propose a method or a device, wherein the outgoing cotton end of all windings can be prepared easily and uniformly.
  • a detector device is expediently provided for determining the point in time at which the first cotton band has almost completely run off the first lap. At this point in time, the detector device starts a control device which then actuates the means mentioned for severing the first cotton band.
  • a winding transport device for feeding a new winding to the carrier device can then be actuated, and means for cutting through the second cotton band can then be actuated.
  • Fig. 1 the essential parts of a combing head are shown in a schematic representation corresponding approximately to a vertical section.
  • the essential combing tools of the combing head are a round 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 pliers 5 which can be pivoted with respect to the lower pliers 7 is supplied.
  • the cotton tape 7 comes from a roll 8, which is carried by a carrier device, which in the embodiment shown consists of two parallel winding rolls 9 and 10, on which the roll 8 rests.
  • Said transport roller pair 9, 11 is formed in the embodiment shown by the front winding roller 9 and a pressure roller 11 cooperating with it.
  • a pair of transport rollers separated from the front winding roller 9 could also be provided for the cotton coming from the winding 8.
  • the pair of transport rollers 9, 11 is driven by a controlled drive device 12.
  • the means for severing the cotton are set up to tear the cotton after the pair of transport rollers 9, 11.
  • a second pair of transport rollers 13, 14 is arranged after the first pair of transport rollers 9, 11 and is driven by a second controlled drive device 15.
  • the two pairs of transport rollers 9, 11 and 13, 14 run at the same peripheral speeds.
  • the drive devices 12 and 15 are controlled as explained below so that they rotate the two pairs of transport rollers 9, 11 and 13, 14 at different peripheral speeds and / or in different directions, so that the Cotton tape 7 tears between the two pairs of transport rollers. It is e.g.
  • the device for connecting a first cotton end to a second cotton end has a pair of press rollers 16, 17, which is driven by a drive device 18, and a movable deflection element for at least one of two cotton ends to be connected to one another.
  • the deflection element is a slide 19 arranged in the direction of movement of the cotton band 7 in front of the pair of press rollers 16, 17, which is e.g. is moved by a cylinder-piston unit 20.
  • Fig. 1 the combing head described is shown in normal operation.
  • the cotton tape 7 is unwound from the winding 8 by the rotation of the winding roller 9, through which the same circumferential speed rotating pairs of transport rollers 13, 14 and 16, 17 are fed to the combing tools 1-5 and combed out by them.
  • the cotton tape 7, however, has almost completely run out of the winding 8 in FIG. 1.
  • a detector device for example by a photocell 21, which detects the passage of the end 7a of the cotton tape 7 on the core 8a of the winding 8, for example by referring to the different brightnesses and / or colors of the cotton tape 7 and the winding core 8a responds.
  • the detector device 21 emits a signal to a control device 22, which thereupon controls the drive devices 12, 15 and 18 and further drive devices, which will be described below, in the combing machine in such a way that a winding change is carried out automatically.
  • control device 22 actuates a cylinder / piston unit 23 which swings the rear winding roller 10 downward, as shown in FIG. 2.
  • the almost empty winding core 8a therefore rolls under the action of gravity on an inclined guide 24 to the rear except for a collecting device in the form of a trough-shaped plate 25.
  • the remaining cotton band 7 is unwound from the core 8a.
  • the control device 22 then controls the drive device 12 (FIG. 1) in such a way that it stops the pair of transport rollers 9, 11 or rotates in the opposite direction.
  • the cotton belt 7 between the two pairs of transport rollers 9, 11 and 13, 14 is therefore torn by the second pair of transport rollers 13, 14, which rotates normally, that is, a new, rear cotton end 7b at a precisely defined point on the combing tools 1-5 running cotton tape 7 formed, as shown in Fig. 3.
  • the second pair of transport rollers 13, 14 and the pair of press rollers 16, 17 continue to rotate until the newly formed rear cotton end 7b is just in front of the pair of press rollers 16, 17, as shown in FIG. 4. Then the drive device 18 of the press roller pair 16, 17 is switched off, and at the same time the combing tools 1-6 (FIG. 1) are stopped.
  • the separated rear end section 7c of the cotton band 7 is now still held in this pair of transport rollers 9, 11, as shown in FIG. 4.
  • the pair of transport rollers 9, 11 is therefore now rotated together with the second pair of transport rollers 13, 14 again in the forward direction in order to convey the end section 7c into a suction channel 26, through which it is removed.
  • the end section 7c can also be removed by a suction channel 27 arranged further back, in that the first pair of transport rollers 9, 11 is now rotated in the opposite direction until the beginning of the end section 7c falls into this suction channel 27.
  • the first pair of transport rollers 9, 11 has already been rotated sufficiently in the opposite direction for the tearing of the cotton tape 7, then the beginning of the end section 7c can easily fall into the suction channel 27 and no further rotation is required.
  • control device 22 actuates a winding transport device, of which only one arm 28 with a support pin 29 is shown in FIG. 5.
  • the winding transport device brings up a new cotton roll 8 'and places it on the winding rollers 9 and 10.
  • the winding roller 9 rotates the cotton roll 8 'resting on it.
  • the jacket of the winding roller 9 is permeable to air, e.g. perforated, and in its interior a stationary tube 9a is arranged, which has a slot 9b in an upper region.
  • a vacuum is now generated in this tube 9a, so that air is sucked in through the slot 9b and the air-permeable jacket of the winding roller 9.
  • the beginning 7a 'of the cotton tape 7' from the new roll 8 'is therefore sucked in by the winding roller 9 as soon as it reaches it.
  • the beginning 7 a ′ lies against the circumference of the winding roller 9, as shown in FIG. 5.
  • the cotton belt 7 'is then moved downwards by the pairs of transport rollers 9, 11 and 13, 14.
  • the first pair of transport rollers 9, 11 is stopped after a predetermined period of time, or the second pair of transport rollers 13, 14 is accelerated with respect to the first pair 9, 11.
  • the cotton band 7 ' is torn between the two pairs of transport rollers 9, 11 and 13, 14, that is to say a new front cotton end 7b' is formed at a precisely defined point on the cotton band 7 'coming from the roll 8', as shown in FIG 6 shown.
  • the severed front end section 7c 'of the cotton band 7' is then sucked into the suction channel 26 and removed through it after it has passed completely through the second pair of transport rollers 13, 14.
  • the two pairs of transport rollers 9, 11 and 13, 14 then continue to run at the same peripheral speeds and move the cotton belt 7 'coming from the roll 8' downward.
  • the control device 22 actuates the cylinder-piston unit 20 in order to move the slide 19 to the left against the press roller pair 16, 17.
  • the slider 19 comes into contact with the front cotton end 7b 'as shown in FIG. 8 and places the same on the rear cotton end 7b of the cotton tape 7, which is still held in the nip of the press roller pair 16, 17 and protrudes out of it, partially resting on the circumference of the lower press roll 17.
  • FIG. 8 it is also shown that the collecting device 25 with the empty winding core 8a lying thereon has been lifted into an upper position by a drive device in the form of a cylinder-piston unit 30. In this upper position, the empty winding core 8a is then picked up and removed by the winding transport device 28, 29 (FIG. 5), whereupon the collecting device 25 is lowered again into its starting position according to FIG. 1.
  • the described combing head can be arranged in a combing machine in a group of combing heads in which common drive devices for the combing tools 1-5 of all combing heads of the group are provided.
  • the control device 22 is then also assigned to all combing heads in the group together.
  • the drive devices controlled by the control device 22, in particular the drive devices 12, 15 and 18 and the cylinder-piston units 20, 23 and 30 as well as the means for generating negative pressure in the front winding roller 9 and in the suction channels 26 and 27 and the winding transport device (28 , 29) can also be assigned to all combing heads of the group together (although in principle the common control device could also control separate drive devices etc.).
  • a separate detector device 21 (FIG. 1) is arranged for each comb head of the group.
  • the detector device 21 in question emits a signal to the common control device 22, which then carries out the winding change described above for all combing heads in the group at the same time.
  • the common control device 22 which then carries out the winding change described above for all combing heads in the group at the same time.
  • different lengths of the cotton tape 7 may still be present on the winding cores 8a in the various combing heads of the group; the new rear cotton ends 7b formed by the simultaneous severing (tearing) of the cotton strips 7 between the pairs of transport rollers 9, 11 and 13, 14 are then at the same level in all combing heads of the group.
  • the new front cotton ends 7b 'formed by tearing the new cotton strips 7' lie at the same height in all combing heads, even if the cotton wool beginning 7a 'is not exactly on the new cotton wool rolls 8' fed by the winding transport device (28, 29) same place of the circumference. Therefore, the front cotton ends 7b 'in all combing heads can be connected to the rear cotton ends 7b in the same way without any problems by the slide 19 (or a common slide 19) and the press rollers 16, 17.
  • both the cotton tape 7 from the roll 8 and afterwards the cotton tape 7 'from the new roll 8' are cut or torn by different driving of the two pairs of transport rollers 9, 11 and 13, 14 when changing the roll.
  • separate means for cutting the cotton tape 7 and for cutting the cotton tape 7 'could of course also be arranged.
  • a second pair of transport rollers does not necessarily have to be used for the severing, but instead other severing means which can be actuated by the control device 22 could also be provided.
EP95110324A 1988-11-03 1989-10-20 Machine de peignage Expired - Lifetime EP0677603B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH4086/88A CH676249A5 (fr) 1988-11-03 1988-11-03
CH408688 1988-11-03
CH4086/88 1988-11-03
EP89119485A EP0368059B1 (fr) 1988-11-03 1989-10-20 Machine de peignage(rattachage de nappe)

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP89119485A Division EP0368059B1 (fr) 1988-11-03 1989-10-20 Machine de peignage(rattachage de nappe)
EP89119485.4 Division 1989-10-20

Publications (3)

Publication Number Publication Date
EP0677603A2 true EP0677603A2 (fr) 1995-10-18
EP0677603A3 EP0677603A3 (fr) 1996-01-03
EP0677603B1 EP0677603B1 (fr) 1999-07-28

Family

ID=4269566

Family Applications (2)

Application Number Title Priority Date Filing Date
EP95110324A Expired - Lifetime EP0677603B1 (fr) 1988-11-03 1989-10-20 Machine de peignage
EP89119485A Expired - Lifetime EP0368059B1 (fr) 1988-11-03 1989-10-20 Machine de peignage(rattachage de nappe)

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89119485A Expired - Lifetime EP0368059B1 (fr) 1988-11-03 1989-10-20 Machine de peignage(rattachage de nappe)

Country Status (6)

Country Link
US (1) US4996747A (fr)
EP (2) EP0677603B1 (fr)
JP (1) JPH02169729A (fr)
CH (1) CH676249A5 (fr)
DD (1) DD284914A5 (fr)
DE (2) DE58909569D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19739186A1 (de) * 1997-09-08 1999-03-11 Truetzschler Gmbh & Co Kg Vorrichtung zum Verbinden und Zuführen von Faserbändern, insbesondere Karden- oder Streckenbändern
EP1464739A1 (fr) * 2003-04-04 2004-10-06 Marzoli S.p.A. Assembleuse de rubans et procédé correspondant

Families Citing this family (14)

* 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
JP2645423B2 (ja) * 1988-07-18 1997-08-25 株式会社原織機製作所 小玉ラップボビンを自動切断除去する方法と装置
US5077865A (en) * 1989-11-03 1992-01-07 Rieter Machine Works, Ltd. Comber lap joining device with suction head for preparing ends
CH680670A5 (fr) * 1990-01-17 1992-10-15 Rieter Ag Maschf
JP2763968B2 (ja) * 1990-05-02 1998-06-11 マシーネンフアブリーク リーテル アクチエンゲゼルシヤフト ラップ処理機械におけるラップの接合方法及びラップ処理機械
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.
EP0533618A1 (fr) * 1991-09-17 1993-03-24 Maschinenfabrik Rieter Ag Transport automatique de rouleaux de nappe
IT1401066B1 (it) * 2010-07-23 2013-07-12 Marzoli Combing & Flyer S P A Ora Marzoli S P A Dispositivo di formazione della teletta per uno stiroriunitore
JP6194871B2 (ja) * 2014-11-06 2017-09-13 株式会社豊田自動織機 コーマにおけるラップ継ぎ装置
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
JP6766749B2 (ja) * 2017-05-18 2020-10-14 株式会社豊田自動織機 コーマ
CH717160A1 (de) 2020-02-21 2021-08-31 Rieter Ag Maschf Kämmmaschine mit einer Watteführungsvorrichtung für einen automatischen Wickelansetzer.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559074A (en) 1945-05-17 1951-07-03 Terrell Mach Co Lap changer for combing machines

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191510394A (en) * 1915-07-17 1916-10-17 John William Nasmith Improvements in or relating to Combing Machines.
DE640041C (de) * 1935-04-19 1936-12-19 Saechs Textilmaschinenfabrik V Vorrichtung zum Abreissen und Anstueckeln der Faserbaerte an Kaemmaschinen
DE853571C (de) * 1942-02-14 1952-10-27 Alsacienne Constr Meca Vorrichtung zum Auflegen von Speisewickeln auf Flachkaemmaschinen
US2895177A (en) * 1953-10-12 1959-07-21 Tmm Research Ltd Textile combing machines
GB1058925A (en) * 1962-08-22 1967-02-15 Kureha Spinning Co Ltd Process and apparatus for producing continuously combed sliver from carded sliver
CH625564A5 (fr) * 1977-08-24 1981-09-30 Rieter Ag Maschf
SU866013A1 (ru) * 1979-02-28 1981-09-23 Всесоюзный Научно-Исследовательский Институт Легкого И Текстильного Машиностроения Способ гребнечесани волокнистой ленты и гребнечесальна машина дл его осуществлени
JP2676554B2 (ja) * 1989-07-10 1997-11-17 ティーオーエー株式会社 短縮機能付きポケット・ページャ
JP3004156B2 (ja) * 1993-09-22 2000-01-31 セコム株式会社 自動情報送信装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559074A (en) 1945-05-17 1951-07-03 Terrell Mach Co Lap changer for combing machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19739186A1 (de) * 1997-09-08 1999-03-11 Truetzschler Gmbh & Co Kg Vorrichtung zum Verbinden und Zuführen von Faserbändern, insbesondere Karden- oder Streckenbändern
US6065191A (en) * 1997-09-08 2000-05-23 Trutzschler Gmbh & Co. Kg Method and apparatus for splicing and feeding slivers
EP1464739A1 (fr) * 2003-04-04 2004-10-06 Marzoli S.p.A. Assembleuse de rubans et procédé correspondant

Also Published As

Publication number Publication date
DE58909853D1 (de) 1999-09-02
EP0368059A1 (fr) 1990-05-16
DE58909569D1 (de) 1996-02-22
EP0368059B1 (fr) 1996-01-10
DD284914A5 (de) 1990-11-28
CH676249A5 (fr) 1990-12-28
EP0677603A3 (fr) 1996-01-03
EP0677603B1 (fr) 1999-07-28
US4996747A (en) 1991-03-05
JPH02169729A (ja) 1990-06-29

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