EP0312805A1 - Commande de production - Google Patents

Commande de production Download PDF

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Publication number
EP0312805A1
EP0312805A1 EP88115800A EP88115800A EP0312805A1 EP 0312805 A1 EP0312805 A1 EP 0312805A1 EP 88115800 A EP88115800 A EP 88115800A EP 88115800 A EP88115800 A EP 88115800A EP 0312805 A1 EP0312805 A1 EP 0312805A1
Authority
EP
European Patent Office
Prior art keywords
production
change
machine
processing
width
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
EP88115800A
Other languages
German (de)
English (en)
Other versions
EP0312805B1 (fr
Inventor
Robert Demuth
Paul Staeheli
René Waeber
Christoph Gründler
Franz Maechler
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 EP0312805A1 publication Critical patent/EP0312805A1/fr
Application granted granted Critical
Publication of EP0312805B1 publication Critical patent/EP0312805B1/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
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/02—Hoppers; Delivery shoots

Definitions

  • the present invention relates to fiber processing machines or systems with a plurality of different fiber processing stages.
  • a short-staple spinning mill comprises a plurality of fiber-processing stages between the bale store and the bobbin packing or bobbin conveying system.
  • the fibers are processed in the form of an elongated, coherent structure (ribbon, sliver, yarn), while in the "upstream” stages the fibers are processed in various, non-contiguous or relatively coarse Shapes are processed, e.g. free-flying, as a cotton wool, in bales, etc.
  • the principle can be used to control or regulate a fiber processing plant.
  • a target value for the overall production of a processing stage can be determined and the processing range of this stage can be changed accordingly, either directly or as a function of a determined deviation in a target / actual comparison.
  • the invention is particularly advantageous where the machine works with a template in the form of a wadding and in particular in the control or regulation of a feed machine for a card sliver.
  • the invention also encompasses a fiber processing device with means for controlled change in the processing range of this device.
  • the device could, for example, comprise a working element of variable effective length, for example a working element consisting of a plurality of adjacent, individually drivable working elements, so that the number of elements in operation can be controlled.
  • This variant could be used for bale removal, as already indicated in our European patent application No. 221 306.
  • the length of the work organ can be kept constant while the width of the template can be changed.
  • the width of a filling shaft (parallel to the length of the feed roller) of a feed machine could be changed, for example as described in DOS 3149965 or DOS 3542816.
  • the invention is advantageous both in a continuous system and in a batch system, i.e. the individual stages can normally run with a continuously changeable production, or they can work in the so-called stop / go mode, the production remaining constant within a go interval.
  • the invention can advantageously be combined with other control methods, e.g. In our European patent No.93235 we describe a method for optimizing stop / go conditions in a bale removal machine. Fine production changes have to be accepted. Such fine production changes could e.g. be carried out with the help of the present invention, so that the specific production and thereby the quality remains constant.
  • a target value for the total production of a stage can represent either the current production or the average (effective) production of the stage. However, the latter can only last for a certain period of time (measurement) are determined, taking into account any production fluctuations (eg switch-off intervals during stop / go operation, changes in current production during "continuous" operation).
  • Fig. 1 shows four processing stages of the blowroom / opener of a short batch spinning mill.
  • Level K represents the carding machine
  • level S the card feed
  • level M a mixing operation
  • level B the bale removal.
  • Other stages can also be provided, for example an additional cleaning stage between bale removal and mixing.
  • the entire system is controlled by a master computer uP, a control signal q representing the total production of the card is obtained and supplied to the master computer ⁇ P, so that the latter can determine the corresponding production of each stage upstream of the cards via corresponding lines s, m, b. This controls the material flow MF1, MF2, MF3 between the different stages.
  • each upstream stage determines its production on the basis of two signals, namely one Signal from the host computer ⁇ P and a signal from the immediately downstream stage.
  • This arrangement is well known and can operate either continuously or discontinuously, as previously described.
  • a production change in an upstream stage is usually carried out by changing a roller speed, a conveying speed or a "processing depth” (e.g. the removal depth of a bale opener).
  • a processing depth e.g. the removal depth of a bale opener.
  • Fig. 2 shows schematically a material template V and a work roll W of a job.
  • the roller W normally has a predetermined working length L, which is provided, for example, with a clothing or with noses or teeth in order to be able to process fibers over the entire length L.
  • the technology depends on the speed of the roller W, its clothing, the (predetermined) thickness t of the template V and the fiber density in the template.
  • a necessary change in production is usually effected by changing the roller speed.
  • the clothing type, template thickness and template density cannot be changed accordingly, this means a change in technology (i.e. quality) in the conventional process.
  • a Production change is carried out by changing the effective length L and / or the effective width B, all other parameters can be kept constant and in particular the flow rate per hour per unit length of the work roll W can be kept constant.
  • Fig. 2 shows schematically by dashed lines two possibilities for changing the production in this way, namely a “spreading” or “narrowing" of the original width, e.g. between the values B and B1, and an extension or abbreviation of the working length L by assembling the roller W from adjacent, individually drivable roller parts W1 to W4.
  • the invention is not restricted to the use in connection with work organs in the form of rollers and also not to a template in the form of a cotton wool.
  • a cleaning station where the fibers are transported through the machine in the form of free-flying flakes, the effective working width of the machine could also be changed according to this invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Paper (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
EP88115800A 1987-10-07 1988-09-26 Commande de production Expired - Lifetime EP0312805B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH391187 1987-10-07
CH3911/87 1987-10-07

Publications (2)

Publication Number Publication Date
EP0312805A1 true EP0312805A1 (fr) 1989-04-26
EP0312805B1 EP0312805B1 (fr) 1991-11-21

Family

ID=4266152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115800A Expired - Lifetime EP0312805B1 (fr) 1987-10-07 1988-09-26 Commande de production

Country Status (7)

Country Link
US (1) US4928353A (fr)
EP (1) EP0312805B1 (fr)
JP (1) JPH01118674A (fr)
KR (1) KR890006878A (fr)
CN (1) CN1032823A (fr)
DE (1) DE3866330D1 (fr)
ES (1) ES2028968T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0399315A1 (fr) * 1989-05-23 1990-11-28 Maschinenfabrik Rieter Ag Opération de nettoyage optimal
US6408221B1 (en) 1989-05-23 2002-06-18 Maschinenfabrik Reiter Ag Method of and installation for optimizing the process of cleaning cotton

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5272790A (en) * 1989-07-26 1993-12-28 Maschinenfabrik Rieter Ag Maintaining a predetermined quality of sliver in a card and/or drawframe
US5067202A (en) * 1989-07-26 1991-11-26 Maschinenfabrik Rieter Ag Method of maintaining a predetermined quantity of sliver in a card and/or drawframe
EP0446796A1 (fr) * 1990-03-16 1991-09-18 Maschinenfabrik Rieter Ag Machine de cardage à rendement élevé
US5038438A (en) * 1990-03-21 1991-08-13 Industrial Innovators, Inc. Automated yarn manufacturing system
WO1992013121A1 (fr) * 1991-01-23 1992-08-06 Maschinenfabrik Rieter Ag Conduite de processus pour l'industrie textile
US5515266A (en) * 1992-01-12 1996-05-07 Meyer; Urs Textile spinning machine management system
DE102006002390B4 (de) * 2006-01-17 2021-04-15 Maschinenfabrik Rieter Ag Einstellvorrichtung für eine Textilmaterial verarbeitende Maschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2164011A1 (de) * 1970-12-22 1972-06-29 Societe Anonyme des Ateliers Houget Duesberg Bosson, Verviers (Belgien) Verfahren zur Verminderung der Änderung der Nummer eines von einer Krempel gelieferten Faserbandes und Einrichtung zur Ausführung des Verfahrens
EP0149177A2 (fr) * 1983-12-23 1985-07-24 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Dispositif pour la préparation d'un mélange de fibres contenant des déchets de fibres longues pour la filature à bout libéré
GB2183683A (en) * 1985-12-04 1987-06-10 Hollingsworth Gmbh Apparatus for feeding fibre material

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2004394C3 (de) * 1970-01-31 1981-07-02 Hergeth KG Maschinenfabrik und Apparatebau, 4408 Dülmen Vorrichtung zum Regeln der Zufuhr von Fasergut beim Speisen von Karden u.dgl.
CH627497A5 (de) * 1978-04-26 1982-01-15 Zellweger Uster Ag Vorrichtung zur gewinnung eines der dichte des auf dem tambour einer karde aufliegenden faserbelages entsprechenden regelsignals.
DE2944428C2 (de) * 1979-11-03 1984-08-30 Trützschler GmbH & Co KG, 4050 Mönchengladbach Vorrichtung zur Produktionssteuerung und Bandregulierung einer Karde
DE3120133C2 (de) * 1981-05-20 1985-05-09 Trützschler GmbH & Co KG, 4050 Mönchengladbach Vorrichtung zur Regelung und Steuerung einer Karde oder Krempel
FR2506345B1 (fr) * 1981-05-20 1988-06-24 Truetzschler Gmbh & Co Kg Dispositif de commande et de regulation d'une carde
DE3149965C2 (de) * 1981-12-17 1984-08-30 Trützschler GmbH & Co KG, 4050 Mönchengladbach Vorrichtung an einer Karde oder Krempel zur Vlieserzeugung
DE3360334D1 (en) * 1982-05-04 1985-08-08 Rieter Ag Maschf Method of opening fibre bales
DE3229402C2 (de) * 1982-08-06 1993-11-04 Truetzschler Gmbh & Co Kg Vorrichtung an einer karde oder krempel zur vlieserzeugung
DE3336654A1 (de) * 1983-10-08 1985-04-25 Hergeth Hollingsworth GmbH, 4408 Dülmen Speisevorrichtung fuer karden, krempel u. dgl.
SU1170009A1 (ru) * 1983-12-30 1985-07-30 Всесоюзный Научно-Исследовательский Институт Легкого И Текстильного Машиностроения Устройство дл питани волокнистым материалом текстильных машин
US4657444A (en) * 1985-07-24 1987-04-14 Hergeth Hollingsworth Gmbh Synchronized chute feed control system and method
GB8524304D0 (en) * 1985-10-02 1985-11-06 Rieter Ag Maschf Flock delivery systems
US4682388A (en) * 1986-08-22 1987-07-28 John D. Hollingsworth On Wheels, Inc. Textile flock feed control system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2164011A1 (de) * 1970-12-22 1972-06-29 Societe Anonyme des Ateliers Houget Duesberg Bosson, Verviers (Belgien) Verfahren zur Verminderung der Änderung der Nummer eines von einer Krempel gelieferten Faserbandes und Einrichtung zur Ausführung des Verfahrens
EP0149177A2 (fr) * 1983-12-23 1985-07-24 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Dispositif pour la préparation d'un mélange de fibres contenant des déchets de fibres longues pour la filature à bout libéré
GB2183683A (en) * 1985-12-04 1987-06-10 Hollingsworth Gmbh Apparatus for feeding fibre material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0399315A1 (fr) * 1989-05-23 1990-11-28 Maschinenfabrik Rieter Ag Opération de nettoyage optimal
US6408221B1 (en) 1989-05-23 2002-06-18 Maschinenfabrik Reiter Ag Method of and installation for optimizing the process of cleaning cotton

Also Published As

Publication number Publication date
JPH01118674A (ja) 1989-05-11
KR890006878A (ko) 1989-06-16
CN1032823A (zh) 1989-05-10
EP0312805B1 (fr) 1991-11-21
US4928353A (en) 1990-05-29
ES2028968T3 (es) 1992-07-16
DE3866330D1 (de) 1992-01-02

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