EP0478992A1 - Kämmaschine - Google Patents

Kämmaschine Download PDF

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Publication number
EP0478992A1
EP0478992A1 EP91115229A EP91115229A EP0478992A1 EP 0478992 A1 EP0478992 A1 EP 0478992A1 EP 91115229 A EP91115229 A EP 91115229A EP 91115229 A EP91115229 A EP 91115229A EP 0478992 A1 EP0478992 A1 EP 0478992A1
Authority
EP
European Patent Office
Prior art keywords
combing
drafting
combing machine
machine according
heads
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.)
Withdrawn
Application number
EP91115229A
Other languages
German (de)
English (en)
French (fr)
Inventor
Giancarlo Dr. 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 EP0478992A1 publication Critical patent/EP0478992A1/de
Withdrawn legal-status Critical Current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
    • D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • 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 known combing machines generally contain several combing heads for forming a combing belt each and a drafting device to which the combing belt is fed together by all combing heads.
  • the drafting system forms a belt, which is then placed in a jug.
  • the combing machine belts can also be fed from a part of the combing heads each with their own drafting system or their own section of a common drafting system, thus forming two conveyor belts, which are then placed in separate cans.
  • the disadvantages are the increased effort for two depositing devices (can presses) and the reduced uniformity of each stretch belt (because less is doubled in each case).
  • the weight of a comber belt is of course dependent on the weight of the cotton fed to each combing head for combing. It is therefore possible to work with a higher weight of cotton for a given weight of the route band old exit.
  • the invention relates to a combing machine with a plurality of combing heads for forming a combing machine belt and with at least two drafting units or drafting unit sections for forming a nonwoven from each of the combing machine belt delivered by part of the combing heads, and it has set itself the task of designing this combing machine in this way that it is possible to accept the combing heads with higher weights and / or to form a belt with a lower weight from the combing machine belts without accepting the stated disadvantages, for example a tape with a weight of about 2 g / m, which can be spun directly.
  • the combing machine according to the invention is characterized by a device for stacking the web nonwovens delivered by the drafting units or drafting system sections and an additional drafting system for stretching the stacked webs.
  • each combing machine which has eight combing heads. Of the eight combing heads, only five combing heads 1, 2, 3, 4 and 5 are visible in the figures. Each combing head releases combed fiber material in the form of a combing belt K.
  • the combing machine according to FIG. 1 contains a drafting system 6 with two drafting system sections lying next to one another.
  • the four combing machine belts K are fed from the combing heads 1, 2, 3 and 4 to the rear drafting system section, and it forms a first draw frame web S1 therefrom.
  • the four combing machine belts K are fed from the combing head 5 and the further combing heads, not shown, to the front drafting system section.
  • the front drafting system section delivers a second stretch fleece S2.
  • the combing machine according to FIG. 2 contains two separate drafting units 7 and 8, to which the four combing machine belts K are fed from the combing heads 1, 2, 3 and 4 or the four combing machine belts K from the other combing heads.
  • the drafting system 7 forms a first stretch fleece S1
  • the drafting arrangement 8 forms a second stretch fleece S2.
  • Both machines then contain a device for stacking (doubling) the two draw webs S1 and S2, with a schematically indicated guide plate 9 and guide rollers or pins 10 and calender rolls 12, and an additional drafting device 11, to which the laid webs S1 and S2 are fed.
  • the additional drafting arrangement 11 is arranged in such a way that the fleece S emitted by it moves essentially in the same direction as the sliver belts K fed to the drafting arrangement 6 or the drafting arrangements 7 and 8. That is, the drafting arrangements 6 and 11 or 7 , 8 and 11 transport and warp the nonwovens S1, S2 and S in mutually parallel directions.
  • the space requirement is smaller than it would be with a sweeping path in which the nonwovens coming from several drafting systems are swept and deflected by approximately 90 ° before they are fed to an additional drafting system.
  • the rollers of the drafting systems 6 and 11 or of the drafting systems 7, 8 and 11 are preferably essentially parallel to one another.
  • the fleece S delivered by the additional drafting device 11 is then fed through a funnel 13, calender rolls 14 and a funnel wheel 15 formed into a band and placed in a can (not shown).
  • the belt formed can also be fed directly to a spinning machine.
  • the additional drafting arrangement 11 is preferably a regulating drafting arrangement.
  • FIG. 3 schematically shows the arrangement of the fleece guide plate 9, which guides the fleece S1 shown in FIG. 1 from the rear section of the drafting unit 6 to the calender rolls 12, and a second fleece guide plate 16, which guides the second fleece S2 (FIG. 1) from front section of the drafting system 6 leads to the calender rolls 12.
  • the stacking (doubling) of the two nonwovens S1 and S2 serves to compensate for thick spots and irregularities that may be present in the nonwovens, and forms the prerequisite for the additional drafting device 11 being able to be used after the doubling without the Quality with regard to the mass distribution of the fibers - seen in the longitudinal direction - deteriorates.
  • An even better compensation is achieved if the two fleeces are placed on top of one another with a slight longitudinal offset. This is achieved by making the paths of the two nonwovens between the drafting system 6 and the calender rolls 12 of different lengths. There are various possibilities for this, some of which are explained with reference to FIGS. 4 to 6.
  • Fig. 4 shows a substantially the same arrangement as Fig. 3, but the guide plate 9 of Fig. 3 in Fig. 4 is replaced by a curved guide plate 9.1, on which the fleece S1 (Fig. 1) cover a longer distance must be as the fleece S2 on the flat guide plate 16.
  • FIG. 5 shows, in a view corresponding to a detail from FIG. 1, the drafting system 6 and the calender rolls 12. According to FIG. 5, however, the centers of the calender rolls 12 are to one side with respect to the plane E defined by the centers of the rolls of the drafting system 6 transferred. As a result, the path from the drafting system 6 to the calender rolls 12 for the fleece S1 is longer than for the fleece S2.
  • the calender rolls 12 are arranged offset to one side in the same way as in FIG. 5.
  • the fleece guide plates and elements are designed such that the end sections of the paths of the fleeces S1 and S2 from the drafting system 6 to the calender rolls 12, at A in FIG. 6, have at least approximately the same directions in plan view, so that do not move the fleeces S1 and S2, which come to lie on top of each other here, laterally against each other.
  • the directions of movement of the nonwovens S1 and S2 shortly before the clamping line of the calender rolls 12 are preferably approximately perpendicular to this clamping line.
  • the design of the fleece guide elements described with reference to FIG. 6 is of course also recommended in embodiments without lateral displacement of the calender rolls 12, e.g. in embodiments as have been described with reference to FIGS. 1 to 4.
  • the material of each combed belt K runs through two drafting units one after the other. This makes it possible to feed cotton wool with higher weights to the combing heads.
  • the combing heads are e.g. Wadding with a width of about 30 cm and a weight of 60 to 70 g / m fed and this weight can be increased to a maximum of about 80 g / m, if at the exit of the combing machine a combined belt with a usual weight of about 5 g / m wants to get.
  • the combing heads can be wadded with much higher weights, e.g. 120 g / m and more.
  • the total distortion that the fiber material receives in the two drafting systems that are passed through in succession can also be chosen so large that a belt with a lower weight, e.g. about 2 g / m is obtained, which can be fed directly to a spinning machine.
  • the invention is not limited to combing machines with eight combing heads; the combing machine can also contain a different number of combing heads, e.g. six, nine or ten comb heads.
  • the comber can also contain more than two drafting systems or drafting system sections for the initial stretching of the combing machine belts, that is to say the combing machine bands can be divided into more than two groups, which are then stretched separately from one another before being fed to the additional drafting system 11 in a stacked manner be, e.g. in four groups or - for example with nine comb heads - in three groups. It is also possible to pass each individual combed belt K after formation in the individual combing heads 1, 2, 3 ... through a pair of drafting rollers in order to apply a slight pre-draft to the bands before they are doubled. For this, reference is made to the applicant's EP-A-0 376 002.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP91115229A 1990-10-02 1991-09-10 Kämmaschine Withdrawn EP0478992A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH315890A CH681895A5 (ja) 1990-10-02 1990-10-02
CH3158/90 1990-10-02

Publications (1)

Publication Number Publication Date
EP0478992A1 true EP0478992A1 (de) 1992-04-08

Family

ID=4249873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91115229A Withdrawn EP0478992A1 (de) 1990-10-02 1991-09-10 Kämmaschine

Country Status (3)

Country Link
EP (1) EP0478992A1 (ja)
JP (1) JPH04263621A (ja)
CH (1) CH681895A5 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706831A1 (de) * 1996-03-01 1997-09-04 Rieter Ag Maschf Verstellbare Führungselemente
EP0919648A2 (en) * 1997-11-07 1999-06-02 FRATELLI MARZOLI & C. S.p.A. Device for controlling textile fibers floating through drawing cylinders in a combing machine
WO1999058749A1 (de) * 1998-05-13 1999-11-18 Maschinenfabrik Rieter Ag Textilmaterial verarbeitende maschine mit einem streckwerk
DE10004604B4 (de) 2000-02-03 2018-04-05 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zum Zuführen von Faserbändern an einer Spinnereimaschine, insbesondere Strecke, z.B. Regulierstrecke
WO2020052837A1 (de) * 2018-09-12 2020-03-19 TRüTZSCHLER GMBH & CO. KG Kämmmaschine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5535488A (en) * 1995-02-22 1996-07-16 China Textile Institute Carding and drawing system for spinning process
CN102453985B (zh) * 2010-10-29 2015-07-29 浙江华孚色纺有限公司 一种生产段彩棉条的高架式并条装置及生产段彩棉条的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886396A (en) * 1957-10-11 1962-01-03 Tmm Research Ltd Improvements relating to the production of textile yarns
GB1331740A (en) * 1972-02-18 1973-09-26 Osaka Kiko Co Ltd Apparatus for forming sliver
FR2346473A1 (fr) * 1976-03-29 1977-10-28 Tsi Sherstyanoi Procede d'alimentation en rubans d'une peigneuse a action intermittente et dispositif pour la mise en oeuvre dudit procede
EP0376002A1 (de) * 1988-12-22 1990-07-04 Maschinenfabrik Rieter Ag Kämmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886396A (en) * 1957-10-11 1962-01-03 Tmm Research Ltd Improvements relating to the production of textile yarns
GB1331740A (en) * 1972-02-18 1973-09-26 Osaka Kiko Co Ltd Apparatus for forming sliver
FR2346473A1 (fr) * 1976-03-29 1977-10-28 Tsi Sherstyanoi Procede d'alimentation en rubans d'une peigneuse a action intermittente et dispositif pour la mise en oeuvre dudit procede
EP0376002A1 (de) * 1988-12-22 1990-07-04 Maschinenfabrik Rieter Ag Kämmaschine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19706831A1 (de) * 1996-03-01 1997-09-04 Rieter Ag Maschf Verstellbare Führungselemente
EP0919648A2 (en) * 1997-11-07 1999-06-02 FRATELLI MARZOLI & C. S.p.A. Device for controlling textile fibers floating through drawing cylinders in a combing machine
EP0919648A3 (en) * 1997-11-07 2000-08-02 FRATELLI MARZOLI & C. S.p.A. Device for controlling textile fibers floating through drawing cylinders in a combing machine
WO1999058749A1 (de) * 1998-05-13 1999-11-18 Maschinenfabrik Rieter Ag Textilmaterial verarbeitende maschine mit einem streckwerk
US6393667B1 (en) 1998-05-13 2002-05-28 Maschinenfabrik Rieter Ag Machine with a drafting arrangement for processing textile material
EP1329541A2 (de) * 1998-05-13 2003-07-23 Maschinenfabrik Rieter Ag Textilverarbeitende Maschine mit einem Streckwerk
EP1329541A3 (de) * 1998-05-13 2003-08-27 Maschinenfabrik Rieter Ag Textilverarbeitende Maschine mit einem Streckwerk
DE10004604B4 (de) 2000-02-03 2018-04-05 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zum Zuführen von Faserbändern an einer Spinnereimaschine, insbesondere Strecke, z.B. Regulierstrecke
WO2020052837A1 (de) * 2018-09-12 2020-03-19 TRüTZSCHLER GMBH & CO. KG Kämmmaschine

Also Published As

Publication number Publication date
CH681895A5 (ja) 1993-06-15
JPH04263621A (ja) 1992-09-18

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