EP3533739A1 - Procédé de fonctionnement d'une machine textile et machine textile - Google Patents

Procédé de fonctionnement d'une machine textile et machine textile Download PDF

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Publication number
EP3533739A1
EP3533739A1 EP19154516.9A EP19154516A EP3533739A1 EP 3533739 A1 EP3533739 A1 EP 3533739A1 EP 19154516 A EP19154516 A EP 19154516A EP 3533739 A1 EP3533739 A1 EP 3533739A1
Authority
EP
European Patent Office
Prior art keywords
negative pressure
additional
jobs
vacuum
sub
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
EP19154516.9A
Other languages
German (de)
English (en)
Other versions
EP3533739B1 (fr
Inventor
Dirk Brakensiek
Bert Schlömer
Detlef Schelter
Michael Spitzer
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Spinning Solutions GmbH and Co KG
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 Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG
Publication of EP3533739A1 publication Critical patent/EP3533739A1/fr
Application granted granted Critical
Publication of EP3533739B1 publication Critical patent/EP3533739B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/707—Suction generating system
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H11/00—Arrangements for confining or removing dust, fly or the like
    • D01H11/005—Arrangements for confining or removing dust, fly or the like with blowing and/or suction devices
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
    • D01H4/06—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface co-operating with suction means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
    • D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping
    • D01H4/44—Control of driving or stopping in rotor spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • D01H4/50—Piecing arrangements; Control therefor for rotor spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/66—Suction devices exclusively
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/66—Suction devices exclusively
    • D01H5/68—Suction end-catchers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a method for operating a textile machine and a textile machine with a plurality of similar jobs, each having a basic demand for negative pressure for the regular production operation and additional vacuum requirements after a production interruption at the workplace, and with a Saugluftstrom with a limited suction power to provide the negative pressure at the jobs.
  • Such a textile machine has a suction air system with at least one controllable Saug Kunststoffaggregat, the suction power over the rotational speed of a drive motor is adjustable.
  • the vacuum requirement of a single job may, however, especially if the jobs, such as in the DE 101 39 075 A1 described, are formed as essentially self-sufficient jobs, temporarily increase significantly.
  • jobs of open-end rotor spinning machines always have such an increased additional vacuum requirement when it is necessary to re-spool them at a workstation. That is, when after a spin interruption accumulated on the surface of a cross-wound yarn end sought by a workstation's own, under horrbeetzschlagbare suction nozzle, received, transported to the associated open-end spinning device and prepared there for the piecing.
  • a Kopsentstaubung that is, a device that ensures during the Umspulreas that the draining of the thread from the spinning cop dirt and dust is disposed of.
  • the jobs of such textile machines have a so-called thread catching nozzle, which is also constantly subjected to suction during the Umspulreaes.
  • the drive motor of Saug Kunststoffaggregates preferably runs during the regular work process at a speed at which the negative pressure in the Saug Kunststoffstrom does not fall below a certain minimum level, that is, in which the so-called basic suction air demand of the textile machine is covered.
  • the speed of the drive motor of the suction air unit is increased to provide a predetermined increased negative pressure, and realized in this way the increased Saugluft loc.
  • the speed of the drive motor of Saugluftaggregats is in each case adapted so that the pressure level in the suction system is always maintained at a minimum value during the execution of the first additional intake air-consuming event and other similar events occurring in the meantime. After processing of the last of these events, the speed of the drive motor of the vacuum unit is then back regulated to the speed to cover the basic vacuum demand.
  • the invention has for its object to develop a method that allows the fastest possible re-commissioning of the numerous jobs of a cross-wound producing textile machine even in the presence of difficult conditions.
  • a method for operating a textile machine with a plurality of similar jobs each having a basic demand for negative pressure for the regular production operation and additional vacuum requirements after a production stoppage at the workplace, and with a Saugluftstrom with a limited suction power to provide the negative pressure to proposed to the workplaces.
  • a minimum negative pressure is specified.
  • the number of jobs supplied simultaneously with additional negative pressure is limited so that the minimum negative pressure is not undershot.
  • a sub-negative pressure is set, which is below the minimum negative pressure and, given a predetermined event, temporarily limits the number of jobs supplied simultaneously with additional negative pressure such that the sub-negative pressure is not undermined.
  • the method according to the invention has the particular advantage that in this way the suction air potential provided by the suction air system of the textile machine can be utilized to a greater extent for the additional supply of jobs. That is, the jobs of the textile machine, since the initially set as operating pressure sub-negative pressure is below the usual during normal operation minimum negative pressure, a much lower suction air demand, as jobs where the minimum negative pressure is applied.
  • the drive motor of the suction air unit of the suction air system preferably runs simultaneously with maximum speed and generates a maximum compressed air potential in the suction air system of the textile machine. Then there is a relatively large vacuum reserve ready, which can be used advantageously to supply a larger number of jobs with additional compressed air and thus to resume production of a variety of other jobs. In the case of an open-end rotor spinning machine, resumption of production takes place by re-spinning the work sites.
  • the invention provides maximum quality with optimized production speed. It will be ensured that the minimum negative pressure required for the quality of the regular production operation is maintained. Only for certain predefined events, the negative pressure is lowered to the sub-negative pressure in order to resume regular production as quickly as possible. The quality losses that may occur due to the lower negative pressure are of little consequence overall since the sub-negative pressure is only set for a short time.
  • the event is the startup of the textile machine after a machine downtime, in which all jobs have an additional vacuum requirement to resume production. If the sub-vacuum is set after a machine downtime, the workstations of the textile machine can resume their regular production as quickly as possible.
  • Such machine downtime can be caused for example by disturbances in the power supply equipment or batch changes.
  • the textile machine Since both in a power failure as well as a game change, the textile machine initially runs out in machine downtime, so that then all work cross cheper manufacturing textile machines must resume production and known, the startup time of a textile machine is always relatively short, if as many of their jobs at the same time again can be spun after a machine downtime by setting a very low sub-negative pressure allows to increase the number of simultaneously additionally supplied with negative pressure jobs and thus significantly reduce the run-up time of the textile machine.
  • the event is the run-up of a group of work stations which at the same time have an additional vacuum requirement.
  • a definition of the event makes sense, above all, in a multi-party operation of the textile machine.
  • a multi-party operation there may be several groups of jobs where different lots are produced.
  • a group of jobs is then formed by several jobs on which the same lot is produced.
  • this group of jobs then has an additional vacuum requirement at the same time.
  • the number of simultaneously be supplied with additional negative pressure jobs is increased from a slightly low number to a significantly larger number.
  • the number of workstations which can be supplied simultaneously with additional negative pressure can be increased, for example, from about ten workstations to about twenty workstations, as hitherto usual, which leads to almost a halving of the hitherto usual ramp-up time of the textile machine.
  • the maximum number of jobs that can still be supplied simultaneously with additional negative pressure also depends, for example, on the material and the material thickness of the coils to be produced on the workstations, the degree of soiling of the suction chambers of the suction-air system, the installation height of the textile machine and similar parameters.
  • Coarser and hairier yarns require a higher negative pressure to suck a yarn end from a supply spool and to be able to prepare and splice the yarn end in work tube preparation tubes for fine yarn splicing than fine, smoother yarns.
  • the temporary reduction of the level of the negative pressure prevailing in the suction air system to a sub-negative pressure is defined by the operating personnel. That is, by such, initiated by the operator lowering of the upcoming in the Saugluftstrom levels of negative pressure to a temporary sub-negative pressure, if necessary, especially after a machine downtime, immediately reacts so that the subsequent production of the work stations of the textile machine as possible short period of time claimed.
  • a textile machine with several similar jobs each having a basic demand for negative pressure for the regular production operation and additional vacuum demand after a production interruption at the workplace, and proposed with a Saugluftstrom with a limited suction power to provide the negative pressure at the jobs
  • a control device which can be predetermined a minimum negative pressure and the control device is adapted to limit the number of simultaneously supplied with additional negative pressure jobs so that the minimum negative pressure is not undermined.
  • a sub-negative pressure which is below the minimum negative pressure, can additionally be predefined for the control device.
  • the control device according to the invention is designed to temporarily limit the number of jobs supplied simultaneously with additional negative pressure in the case of a predetermined event in such a way that the sub-negative pressure is not undermined.
  • the operator can therefore enter two negative pressures on the control device. These are on the one hand, the minimum negative pressure, which is used by the controller in the regular production operation as the lower limit, and on the other hand, the sub-negative pressure to which the negative pressure is lowered by the controller at the predetermining event.
  • the textile machine according to the invention with its control device is designed for carrying out the method according to the invention and its preferred embodiments.
  • the run-up of the textile machine after a machine standstill, in which all work stations have an additional vacuum requirement stored as an event in the control device.
  • the run-up of a group of work stations, which at the same time have an additional vacuum requirement can be stored as an event.
  • the number of workstations which can be supplied simultaneously with additional negative pressure is preferably increased from a first number to a second number by the temporary lowering of the spinning vacuum.
  • the method according to the invention is preferably used in conjunction with an open-end rotor spinning machine and the textile machine according to the invention is preferably designed as an open-end rotor spinning machine.
  • the production plant is thus a spinning operation. After the stoppage of production, that is to say in this case a spinning interruption, the additional underpressure for re-spinning the work site is required.
  • the negative pressure is the spinning vacuum.
  • FIG. 1 shows on the basis of a diagram through a curve 1 schematically the vacuum curve p in the Saug Kunststoffstrom a textile machine.
  • the curve 1 shows the vacuum curve p both during a regular spinning operation as well as after the restart of the textile machine after a batch change or an involuntary machine downtime.
  • Curve 1 specifically shows the predeterminable level of spinning negative pressure applied in the rotor housings of the open-end spinning devices in the area of the work stations of a rotor spinning machine.
  • the curve 2 discloses schematically the speed curve of the drive motor of the Saug Kunststoffaggregates the textile machine, that is, the speed curve of the drive motor both during a regular spinning operation, as well as after the restart of the textile machine after a game change or an involuntary machine downtime.
  • Z 1 and Z 2 is also graphically in each case the number of each simultaneously supplied with additional negative pressure and thus learnnbarer jobs of the rotor spinning machine shown.
  • Z 1 shows the number of jobs that can be additionally supplied with negative pressure when the work stations operate with a minimum spinning vacuum p min .
  • Z 2 discloses the number of additionally vacuum-supplied work stations when the work stations are operated with a sub-spinning vacuum p sub .
  • the abscissa shows the time course of the method according to the invention, wherein the various times described in more detail below with A, B, C, etc. are marked.
  • the drive motor of the Saug Kunststoffaggregates the open-end rotor spinning machine during the regular spinning operation of the textile machine runs on a relative to its maximum speed d max .
  • lower speed d is .
  • a predeterminable minimum spinning vacuum p min prevails during this time. Since all workstations initially run properly, the number of jobs to be supplied simultaneously with additional negative pressure at this time is 0.
  • control device of the textile machine ensures that the drive motor of Saug Kunststoffaggregates to its maximum speed d max . is accelerated. This maximum speed d max . is reached at time B, for example.
  • the control of the textile machine at the same time from the difference between the maximum spinning vacuum p max . and the minimum spinning vacuum p min . as well as the additional negative pressure consumption of a single workstation calculates the number Z 1 of workstations which simultaneously supplies additional negative pressure from time B, that is, can be re-spun simultaneously without the spinning vacuum in the suction air system falling below the minimum spinning vacuum p min . in spite of supplying a number Z 1 of workplaces with additional negative pressure, the spinning vacuum in the suction air system remains at a minimum spinning vacuum p min .
  • the maximum speed d max of the drive motor of the suction unit is again reduced to the speed d is , which is done at time D.
  • the level of spinning negative pressure in the suction air system remains at a minimum spinning negative pressure Pmin.
  • E is the time at which a major disruption occurs. That is, at time E, the rotor spinning machine, for example due to a fault in the power supply devices, turns off and goes to a standstill, which is done at time F. At time F, the speed of the drive motor is do and accordingly the spinning vacuum in the suction system p is 0 .
  • the operator sets a sub-spinning vacuum p sub on the control of the textile machine. That is, when booting the open-end rotor spinning machine prevails in the suction air system of the textile machine temporarily a sub-spinning vacuum p sub , which under the usual during the regular spinning operation of the rotor spinning machine minimum spinning vacuum p min . lies.
  • the spinning vacuum set in the suction air system of the textile machine is corrected by the control of the textile machine.
  • the sub-spinning vacuum p sub which is set temporarily when the open-end rotor spinning machine is started up, is returned to the minimum spinning vacuum p min . That is customary during regular spinning operation of the rotor spinning machine. raised.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Looms (AREA)
EP19154516.9A 2018-01-31 2019-01-30 Procédé de fonctionnement d'une machine textile et machine textile Active EP3533739B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018102135.6A DE102018102135A1 (de) 2018-01-31 2018-01-31 Verfahren zum Betreiben einer Textilmaschine und eine Textilmaschine

Publications (2)

Publication Number Publication Date
EP3533739A1 true EP3533739A1 (fr) 2019-09-04
EP3533739B1 EP3533739B1 (fr) 2021-04-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19154516.9A Active EP3533739B1 (fr) 2018-01-31 2019-01-30 Procédé de fonctionnement d'une machine textile et machine textile

Country Status (4)

Country Link
US (1) US11066271B2 (fr)
EP (1) EP3533739B1 (fr)
CN (1) CN110093691B (fr)
DE (1) DE102018102135A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021058446A1 (fr) * 2019-09-24 2021-04-01 Saurer Spinning Solutions Gmbh & Co. Kg Procédé pour faire fonctionner une machine textile produisant des bobines croisées et machine textile produisant des bobines croisées

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019120980A1 (de) * 2019-08-02 2021-02-04 Maschinenfabrik Rieter Ag Spinnmaschine mit einer Vielzahl nebeneinander angeordneter Arbeitsstellen und einer verfahrbaren Wartungseinrichtung mit einem pneumatischen Arbeitsorgan sowie Verfahren zum Versorgen des pneumatischen Arbeitsorgans mit Unterdruck
EP3828325A1 (fr) * 2019-11-29 2021-06-02 Saurer Intelligent Technology AG Poste de filage et machine à filer à jet d'air comprenant un tel poste de filage et procédé de détermination d'une défaillance de la résistance à la traction d'un fil
DE102022109107A1 (de) 2022-04-13 2023-10-19 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zur Leistungssteuerung einer Textilmaschine, Leistungssteuereinheit sowie Spinnmaschine

Citations (3)

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DE3823289A1 (de) * 1987-07-08 1989-01-26 Murata Machinery Ltd Verfahren zum steuern der saugleistung einer saugluftanlage fuer spulmaschinen
DE19511960A1 (de) * 1995-03-31 1996-10-02 Schlafhorst & Co W Verfahren zum Regeln des Unterdrucks in einer Saugluftanlage einer Textilmaschine
DE102007006679A1 (de) * 2007-02-10 2008-08-14 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine

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JPH02300330A (ja) * 1989-05-16 1990-12-12 Asahi Chem Ind Co Ltd 紡績装置
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DE4446379A1 (de) 1994-12-23 1996-06-27 Schlafhorst & Co W Verfahren zum Regeln des Unterdrucks in einer Saugluftanlage einer Textilmaschine
DE19653617A1 (de) * 1996-12-20 1998-06-25 Schlafhorst & Co W Verfahren zum Regeln des Unterdrucks in einer Saugluftanlage einer Textilmaschine
DE10139075A1 (de) 2001-08-09 2003-02-20 Schlafhorst & Co W Offenend-Rotorspinnmaschine
DE102005054817A1 (de) * 2005-11-15 2007-05-24 Saurer Gmbh & Co. Kg Ringspinnmaschine mit Streckwerken
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IT1404332B1 (it) * 2011-02-24 2013-11-22 Marzoli Spa Sistema di motorizzazione della cilindrata di un filatoio.
DE102013003285A1 (de) * 2013-02-26 2014-08-28 Saurer Germany Gmbh & Co. Kg Verfahren zum Optimieren des Unterdrucks in einer Saugluftanlage einer Kreuzspulen herstellenden Textilmaschine
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CZ2015232A3 (cs) * 2015-04-03 2016-10-12 Rieter Cz S.R.O. Způsob a zařízení k odstranění vadného úseku příze z pracovního místa dopřádacího stroje
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Publication number Priority date Publication date Assignee Title
DE3823289A1 (de) * 1987-07-08 1989-01-26 Murata Machinery Ltd Verfahren zum steuern der saugleistung einer saugluftanlage fuer spulmaschinen
DE19511960A1 (de) * 1995-03-31 1996-10-02 Schlafhorst & Co W Verfahren zum Regeln des Unterdrucks in einer Saugluftanlage einer Textilmaschine
DE102007006679A1 (de) * 2007-02-10 2008-08-14 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021058446A1 (fr) * 2019-09-24 2021-04-01 Saurer Spinning Solutions Gmbh & Co. Kg Procédé pour faire fonctionner une machine textile produisant des bobines croisées et machine textile produisant des bobines croisées
CN114521192A (zh) * 2019-09-24 2022-05-20 卓郎纺织解决方案两合股份有限公司 用于操作制造交叉卷绕筒子的纺织机的方法和制造交叉卷绕筒子的纺织机

Also Published As

Publication number Publication date
CN110093691B (zh) 2021-06-11
DE102018102135A1 (de) 2019-08-01
US20190233980A1 (en) 2019-08-01
US11066271B2 (en) 2021-07-20
CN110093691A (zh) 2019-08-06
EP3533739B1 (fr) 2021-04-14

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