EP0548026B1 - Method for conditioning roving in spinning machines and a spinning machine for carrying out this method - Google Patents

Method for conditioning roving in spinning machines and a spinning machine for carrying out this method Download PDF

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Publication number
EP0548026B1
EP0548026B1 EP92810998A EP92810998A EP0548026B1 EP 0548026 B1 EP0548026 B1 EP 0548026B1 EP 92810998 A EP92810998 A EP 92810998A EP 92810998 A EP92810998 A EP 92810998A EP 0548026 B1 EP0548026 B1 EP 0548026B1
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EP
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Prior art keywords
roving
air
bobbin
spinning machine
conditioning
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EP92810998A
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German (de)
French (fr)
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EP0548026A1 (en
Inventor
Wolf Horst
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Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H13/00Other common constructional features, details or accessories
    • D01H13/30Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
    • D01H13/304Conditioning during spinning or twisting

Definitions

  • the invention relates to a method for air conditioning roving in spinning machines and a spinning machine for performing this method.
  • the roving bobbins to be machined or manufactured in a ring spinning machine must be surrounded by an air-conditioned atmosphere, which can have a temperature of 28 ° C. and a relative humidity of 50%, for example. Larger values of e.g. 60% humidity is conceivable.
  • the entire interior of the housing must be supplied with conditioned air and the operation of the spinning machine - for example, the replacement of the roving bobbins is more complex than with a device without a housing.
  • Open-end spinning machines have already (DE-OS 39 19 284) equipped the sliver-containing sliver cans with a central channel through which air brought to a certain temperature and a certain degree of humidity flows.
  • the area above the spinning cans is not air-conditioned, there is a risk that the optimum climatic condition attained when spinning will no longer exist due to the time that passes until the band enters the open-end spinning device.
  • the aim of the invention is to provide a method according to the preamble of claim 1 and a spinning machine according to the preamble of claim 10, in which an optimal air conditioning of the yarn is achieved in such a way that with a minimal consumption of air conditioning medium that this during with regard to the climatic conditions, particularly critical phases of the spinning process are retained.
  • the climate medium set to the optimum temperature and humidity values is thus brought up to the roving bobbins or roving to be air-conditioned through lines closed on all sides, so that the air-conditioning medium comes into contact with the roving to be air-conditioned before it substantially mixes with the ambient air and preferably also to a certain depth penetrates into the roving bobbins.
  • an optimal climate is created in the area of the yarn packages. It is particularly important that, because the bobbins rotate during the operation of the spinning machine, the directly supplied air-conditioning uniformly acts on the entire circumference of the yarn bobbins, which in particular prevents unclimated areas from remaining. Possibly liquid, in particular water in finely divided form, could also be applied to the roving as a spray jet or mist.
  • the design according to claims 5, 6 or 7 ensures a controlled climate air flow from the roving bobbins to the drafting system and the spindles, so that a high air conditioning efficiency is achieved, which allows the amount fed directly to the roving bobbins or the roving with optimal air conditioning of the roving to minimize the amount of air in the room and thus make do with low energy consumption.
  • the water content of the conditioned air can be adjusted. On the one hand, this results in optimal and constant air conditioning of the roving or the fiber strand, depending on the room ambient temperature, and on the other hand, the number of thread breaks can be reduced with the help of this water content control.
  • a ring spinning machine according to the invention has spinning stations 13 arranged next to one another on both sides of the vertical central longitudinal plane 17, which are formed by drafting devices 18 and spindles 19 arranged thereunder with the associated components.
  • the spindles 19 are surrounded from above by an air inlet chamber 26 'having an air inlet opening 26', which are connected at their lower end by lines 8 branching inwards to a central suction channel 7 which extends in the longitudinal direction of the machine and which forms a filter (FIG. 9) 33 leads.
  • each drafting device 18 there are suction devices which are connected to a further central suction channel 5, which extends in the longitudinal direction of the machine and lies vertically above the suction channel 7, which leads to a filter 32, also not shown.
  • roving gates 20 on which the roving bobbins 11 required for feeding the drafting devices 18 are suspended.
  • two roving bobbins 11 are processed by each drafting unit 18, while the third is kept in reserve.
  • a schematically indicated blower 22 can be moved along the spinning stations 13 arranged next to one another in a row and is used to clean the individual spinning stations by blowing and / or suction air with its trunk 23.
  • an air-conditioning duct 14 is provided above the creel 20, which extends in the longitudinal direction of the ring spinning machine and has branch pipes 24 on its underside, which lead to nozzle pipes 15 extending in the longitudinal direction of the machine, which roughly level with the upper conical region 11 'of the roving bobbins 11 run and in relation to the circumference of the roving bobbins 11 each have one or more air outlet nozzles 12.
  • Air-conditioned air with a temperature of e.g. 28 ° C and a relative humidity of 50% This passes through the intermediate pipes 24 to the nozzle pipes 15 and is directed out of the air-outlet nozzles 12 directly onto the surface of the roving bobbins 11 rotating during processing.
  • the air-conditioning air thus immediately comes into contact with the surface of the yarn bobbins 11 after exiting the nozzle tubes 15, so that optimum air-conditioning of the roving is ensured with a minimum of air-conditioning air.
  • the air from the air outlet nozzles 12 is sucked out partly through the air inlet openings 6 'of the suction line 6 into the suction channel 5 and partly through the air inlet openings 26' into the air guide chambers 26 and from there via the lines 8 into the suction channel 7 .
  • the climate air largely follows the path of the roving 10, so that it is kept in the optimally air-conditioned state up to the spindles 19 because the heat conduction of about 50 watts that arises in the spindle area does not rise into the creel but flows into the spindle chamber and is discharged in the second channel 7.
  • curtains or sliding windows 25 may be provided on both sides of the spinning machine.
  • the air that is branched off from the air-conditioning air supply duct 14 can also be directed into air-conditioning air supply tubes 9 that extend parallel to the roving bobbins 11 and that have a series of air-conditioning outlet openings 12 ′ distributed over their length that face the surface of the roving bobbin 11. In this way too, the climate air is fed directly to the roving 10 without premixing with the room air.
  • a further air-conditioning air supply pipe 9 ' can also be branched off from the air-conditioning air supply duct 14 and can be guided parallel to the part of the roving 10 extending between the roving bobbins 11 and the drafting device 18, where again a number of air-conditioning outlet openings 12' opposite the roving 10 passing by. is provided.
  • a suction line 6 is provided underneath each drafting device 18, which draws off a portion of the air conditioning that gets there with the reusable fibers that are released in the drafting device 18 and leads to the central suction channel 5.
  • the spindles 19 of the embodiment according to FIG. 2 are provided with individual drive motors 28, along which the air that is sucked into the air guiding chamber 26 is also guided, so that the motors 4 are cooled accordingly.
  • a further air-conditioning air supply duct 2 can be provided on the ceiling 3 of the spinning room, which air-conditioning outlet openings 12 ′′ laterally at certain intervals. having.
  • Each roving bobbin 11 is preferably supplied with, for example, four m 3 / h of air, which is discharged partly through the suction 5, 6 and partly through the suction 7, 8, 26.
  • air-conditioning air supplied is directly supplied to the roving material with only minimal mixing with room air and is extracted in such a way that it flows along the roving material 10 until it leaves the spinning room. It is therefore of particular importance that the suction of the air is carried out on the one hand through the air guide chamber 26 on the spindles 19 and, if necessary, also partly through the discharge lines 6 and the suction channel 5 in the area of the drafting devices 18.
  • an additional 8 m 3 / h of air can be supplied per spindle through the air-supply duct provided on the ceiling 3, half of which is then extracted by suction 5, 6 or 7, 8, 26 are dissipated.
  • the air is supplied to flat hollow bodies 16, which are provided at certain intervals along the spinning machine and are connected to the air duct 14, intermediate tubes 24, which are arranged next to a roving bobbin 11 and essentially over their entire height extend. 4 and 5, the hollow bodies 16 are curved such that they enclose the roving bobbins 11 with one of their flat sides over an angular range of approximately 90 °.
  • the hollow bodies 16 On the side facing the bobbins 11, the hollow bodies 16 have air-conditioning outlet openings 12 'distributed uniformly over their surface, which are located at a close distance determined by the stop 31, from the surface of the bobbin 11 or in contact with it.
  • each flat hollow body 16 is arranged to be pivotable in the direction of the bobbin or away from it about a pivot axis 29 arranged next to the roving bobbin 11 and running parallel to the bobbin axis.
  • the hollow body is expediently prestressed by a spring 30 (FIG. 4) in the direction of the bobbin 11 against a stop 31, so that a perfect air conditioning of the surface of the roving bobbin 11 is ensured.
  • the hollow body 16 can be pivoted via a spiral spring 30 'and at the same time is spring-loaded in the direction of the stop 31.
  • intermediate tubes 24 are branched off from the air-conditioning duct 14 at certain intervals in the longitudinal direction of the spinning machine, and each act on the air-conditioning air supply tubes 15 ′, which also extend in the longitudinal direction, from which further intermediate tubes 24 ′ branch off to the hollow bodies 16.
  • vertical air-conditioning air supply pipes 9 are branched off from the nozzle pipes 15 or the intermediate pipes 15 ', which extend between a group of four rectangular or square roving bobbins 11 and 11 air outlet openings 12 opposite the surfaces of the roving bobbins ' exhibit. In this way, a total of four roving bobbins can be directly and optimally supplied with air-conditioning air from a single vertical air-supply tube 9.
  • a further six air-conditioning air supply pipes 9 ′′ were branched off from the nozzle pipes 15 and the intermediate pipes 15 ′, with three air-conditioning air supply pipes in each case 9 ′′ lying on a line, are separated from the other air-conditioning air supply pipes 9 ′ by a group of four roving bobbins 11 arranged in a rectangular or square manner.
  • the nozzle openings 12 ′ of the additionally introduced air-conditioning air supply pipes 9 ′′ point in the direction of the air-conditioning air supply pipe 9 ′′ that is opposite and separated from the group of roving bobbins 11.
  • suction openings 6 ' are arranged according to the invention at all the spinning stations 13 arranged next to one another below the drafting device 18, which lead the largely reusable fibers that are released on the drawing devices 18 via the suction lines 6 into a central suction channel 5 which extends in the machine longitudinal direction and which Total amount of air drawn off from the drafting devices 18 passes through a filter 32, consisting of a filter housing 32 ', a drum screen 32''and an exchangeable collecting device 32 ′′′, for example in the form of a drawer, which separates the reusable fibers 36 and in the exchangeable one Collecting device 32 ′′′ collects.
  • a filter 32 consisting of a filter housing 32 ', a drum screen 32''and an exchangeable collecting device 32 ′′′, for example in the form of a drawer, which separates the reusable fibers 36 and in the exchangeable one Collecting device 32 ′′′ collects.
  • the fiber fly and dust sucked in via the openings 26 ′, which are also arranged at each spinning station 13, and the lines 8 are passed through a filter 33 with a filter housing 33 ′, which passes these waste products 34 through a drum sieve Separates 33 '' in a likewise interchangeable collecting device 33 ′′′.
  • the suction channels 5 and 7 are merged into a common end suction channel 35, as a result of which only a single suction fan 37 is required.
  • FIG 10 shows schematically how the process can be further developed with a control device depending on the conditions in the spinning room.
  • the spinning machine 100 contains a plurality of roving bobbins 101, from which the roving 101a is fed to the drafting system 106. After the drafting device, the yarn 105 is wound onto a yarn spool 102, which is provided with a drive 107, by means of a ring 103 and a rotor 104 rotating thereon.
  • a thread break monitor 128 can be used, for example, to monitor at the level of the runner 104 whether there is a yarn break.
  • At least one temperature sensor 126 is provided in the spinning machine 100, from which temperature measured values are transmitted to a controller 125 via a signal line 126a.
  • the controller 125 is connected via a control line 126b to a metering device 123, with which water can be supplied to a mixing chamber 124 according to arrow 121b depending on the measured values of the temperature.
  • a metering device 123 According to arrow 121a, an air line also opens into the mixing chamber 124.
  • the humidified air 121c is accordingly supplied to the roving bobbins 101 in a controlled manner via pipelines 121. With increasing temperature in the area of the temperature sensor 126, the humidified air will have a higher water content.
  • a moisture sensor 127 can be used, with which the control behavior of the controller 125 can be improved.
  • the air conditioning of the roving bobbins 101 and 11 can also be achieved by supplying water instead of humidified air, which is allocated according to FIG. 11 by means of a metering device 123 and analogously to the arrangement in FIG. 10 via a pipeline 121 according to the one shown Arrows in the spinning machine 100 is distributed.
  • the water can be sprayed through fine nozzles 122 located at the end of the pipeline 121, direct spraying of the Water mist on the surface of the roving bobbin is advantageous because the moisture is applied to the roving more precisely.
  • a basic value for the water output per unit of time can be specified in the controller 125, likewise a target value for the air humidity in the vicinity of the roving bobbins, this being monitored in each case by a moisture sensor 127 according to FIGS. 10 and 11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Klimatisierung von Vorgarn in Spinnmaschinen und eine Spinnmaschine zur Ausführung dieses Verfahrens.The invention relates to a method for air conditioning roving in spinning machines and a spinning machine for performing this method.

Es ist bereits bekannt, daß zur Erzielung einwandfreier Spinnergebnisse die zu bearbeitenden oder herzustellenden Vorgarnspulen bei einer Ringspinnmaschine von einer klimatisierten Atmosphäre umgeben sein müssen, welche beispielsweise eine Temperatur von 28°C und eine relative Feuchtigkeit von 50% aufweisen kann. Auch größere Werte von z.B. 60% Luftfeuchtigkeit sind denkbar.It is already known that in order to achieve perfect spinning results, the roving bobbins to be machined or manufactured in a ring spinning machine must be surrounded by an air-conditioned atmosphere, which can have a temperature of 28 ° C. and a relative humidity of 50%, for example. Larger values of e.g. 60% humidity is conceivable.

Um eine solche klimatisierte Atmosphäre im Bereich der Garnspulen zu schaffen, ist es üblich den gesamten Spinnraum entsprechend zu klimatisieren (DE-Gbm 89 08 921). Es ist aber auch schon versucht worden, die klimatisierte Luft in erster Linie in die Nähe der zu klimatisierenden Vorgarnspulen zu bringen, um den Energieaufwand für die Klimatisierung des gesamten Spinnsaales zu reduzieren (DE-Gbm 1 969 970).In order to create such an air-conditioned atmosphere in the area of the yarn packages, it is customary to air-condition the entire spinning room accordingly (DE-Gbm 89 08 921). However, attempts have also been made to bring the air-conditioned air primarily in the vicinity of the roving bobbins to be air-conditioned in order to reduce the energy expenditure for air-conditioning the entire spinning room (DE-Gbm 1 969 970).

Weiter ist es schon bekanntgeworden (DE-AS 1 164 286), die Spinnstellen einer Ringspinnmaschine einschließlich der Vorgarnspulen in ein Gehäuse einzukapseln, welches mit der klimatisierten Atmosphäre beaufschlagt wird. Dies ist aber aufwendig und erschwert die Bedienung der Spinnmaschine wesentlich. Außerdem muß bei einer derartigen Ausgestaltung auch noch der gesamte Innenraum des Gehäuses mit klimatisierter Luft versehen werden.Furthermore, it has already become known (DE-AS 1 164 286) to encapsulate the spinning positions of a ring spinning machine including the roving bobbins in a housing which is subjected to the air-conditioned atmosphere. However, this is complex and makes operating the spinning machine considerably more difficult. In addition, the entire interior of the housing must also be provided with conditioned air in such a configuration.

Auch ist es bekannt nur die Vorgarnspulen zusammen mit dem zugehörigen Aufsteckgatter in ein Gehäuse einzukapseln und in einer klimatisierten Atmosphäre zu halten (JP-A-59 116 430).It is also known to encapsulate only the roving bobbins together with the associated slip gate in a housing and to keep them in an air-conditioned atmosphere (JP-A-59 116 430).

Doch auch hierbei muß der gesamte Innenraum des Gehäuses mit klimatisierter Luft versorgt werden und die Bedienung der Spinnmaschine - beispielsweise das Auswechseln der Vorgarnspulen gestaltet sich aufwendiger als bei einer Vorrichtung ohne Gehäuse.But even here, the entire interior of the housing must be supplied with conditioned air and the operation of the spinning machine - for example, the replacement of the roving bobbins is more complex than with a device without a housing.

Bei Offenendspinnmaschinen hat man bereits (DE-OS 39 19 284) die Faserbänder enthaltenden Spinnkannen mit einem zentralen Kanal ausgestattet, durch den auf eine bestimmte Temperatur und einen bestimmten Feuchtigkeitsgrad gebrachte Luft hindurchströmt. Da jedoch der Bereich oberhalb der Spinnkannen unklimatisiert ist, besteht wegen der bis zum Eintreten des Bandes in die Offenend-Spinnvorrichtung vergehenden Zeit die Gefahr, daß der zunächst erreichte optimale Klimazustand beim Verspinnen nicht mehr vorhanden ist.Open-end spinning machines have already (DE-OS 39 19 284) equipped the sliver-containing sliver cans with a central channel through which air brought to a certain temperature and a certain degree of humidity flows. However, since the area above the spinning cans is not air-conditioned, there is a risk that the optimum climatic condition attained when spinning will no longer exist due to the time that passes until the band enters the open-end spinning device.

Das Ziel der Erfindung besteht darin, ein Verfahren nach dem Oberbegriff des Anspruches 1 und eine Spinnmaschine nach dem Oberbegriff des Patentanspruchs 10 zu schaffen, bei denen mit einem minimalen Verbrauch an Klimamedium eine optimale Klimatisierung des Garnes auf solche Weise erreicht wird, daß diese während der in bezug auf die klimatischen Verhältnisse besonders kritischen Phasen des Spinnvorganges erhalten bleibt.The aim of the invention is to provide a method according to the preamble of claim 1 and a spinning machine according to the preamble of claim 10, in which an optimal air conditioning of the yarn is achieved in such a way that with a minimal consumption of air conditioning medium that this during with regard to the climatic conditions, particularly critical phases of the spinning process are retained.

Zur Lösung dieser Aufgabe sind die Merkmale der kennzeichnenden Teile der Ansprüche 1 und 10 vorgesehen.To achieve this object, the features of the characterizing parts of claims 1 and 10 are provided.

Erfindungsgemäß wird also das auf optimale Temperatur und Feuchtigkeitswerte eingestellte Klimamedium durch allseits geschlossene Leitungen bis unmittelbar an die zu klimatisierenden Vorgarnspulen bzw. das Vorgarn herangeführt, so daß das Klimamedium, bevor es sich mit der Umgebungsluft wesentlich vermischt, mit dem zu klimatisierenden Vorgarn in Berührung kommt und vorzugsweise auch bis zu einer bestimmten Tiefe in die Vorgarnspulen eindringt. Somit wird trotz einer anders temperierten und befeuchteten Umgebungsatmosphäre ein optimaler Klimazustand im Bereich der Garnspulen erzeugt. Besonders wichtig ist dabei, daß, weil die Spulen sich beim Betrieb der Spinnmaschine drehen, die direkt zugeführte Klimaluft gleichmäßig den gesamten Umfang der Garnspulen beaufschlagt, wodurch insbesondere das Verbleiben unklimatisierter Bereiche vermieden wird. Eventuell könnte auch Flüssigkeit, insbesondere Wasser in feinzerteiler Form als Sprühstrahl oder Nebel auf das Vorgarn aufgebracht werden.According to the invention, the climate medium set to the optimum temperature and humidity values is thus brought up to the roving bobbins or roving to be air-conditioned through lines closed on all sides, so that the air-conditioning medium comes into contact with the roving to be air-conditioned before it substantially mixes with the ambient air and preferably also to a certain depth penetrates into the roving bobbins. Thus, despite a different temperature and humidified ambient atmosphere, an optimal climate is created in the area of the yarn packages. It is particularly important that, because the bobbins rotate during the operation of the spinning machine, the directly supplied air-conditioning uniformly acts on the entire circumference of the yarn bobbins, which in particular prevents unclimated areas from remaining. Possibly liquid, in particular water in finely divided form, could also be applied to the roving as a spray jet or mist.

Nachdem das von einer Vorgarnspule abgespulte Vorgarn nach vergleichsweise kurzer Zeit gestreckt und versponnen wird und das auf einen Kops aufgewickelte gesponnene Garn während des Aufwickelns unmittelbar klimatisiert wird, ist gewährleistet, daß der optimale Klimazustand weitgehend erhalten ist bzw. der Kops bei der Herstellung praktisch lagenweise klimatisiert wird, so daß in den fertiggestellten Kops eine optimale Klimaatmosphäre eingeschlossen ist, die auch beim anschließenden Transport des Kopses zur weiteren Verarbeitung beispielsweise in einer Spulmaschine für längere Zeit erhalten bleibt.After the roving unwound from a roving bobbin is stretched and spun after a comparatively short time and the spun yarn wound on a bobbin is immediately air-conditioned during winding, it is ensured that the optimal climatic condition is largely maintained or the bobbin is virtually air-conditioned during manufacture is, so that an optimal climatic atmosphere is included in the finished cop, which is retained for a long time even during the subsequent transport of the cop for further processing, for example in a winder.

Vorteilhafte Weiterbildungen des erfindungsgemäßen Verfahrens sind durch die abhängigen Ansprüche gekennzeichnet.Advantageous further developments of the method according to the invention are characterized by the dependent claims.

Die Ausbildung nach den Ansprüchen 5, 6 oder 7 gewährleistet eine kontrollierte Klimaluftströmung von den Vorgarnspulen zum Streckwerk und den Spindeln, so daß ein hoher Klimatisierungswirkungsgrad erzielt wird, der es gestattet, bei optimaler Klimatisierung des Vorgarnes die den Vorgarnspulen bzw. dem Vorgarn direkt zugeführte Menge an Klimaluft zu minimieren und so mit geringem Energieverbrauch auszukommen.The design according to claims 5, 6 or 7 ensures a controlled climate air flow from the roving bobbins to the drafting system and the spindles, so that a high air conditioning efficiency is achieved, which allows the amount fed directly to the roving bobbins or the roving with optimal air conditioning of the roving to minimize the amount of air in the room and thus make do with low energy consumption.

Nach den Ansprüchen 8 oder 9 kann der Wassergehalt der klimatisierten Luft eingestellt werden. Damit erreicht man zum einen bei einer Regelung in Abhängigkeit von der Saalumgebungstemperatur eine optimale und konstante Klimatisierung des Vorgarns bzw. des Faserstrangs, und zum anderen kann mit Hilfe dieser Wassergehaltsregelung die Zahl der Fadenbrüche reduziert werden.According to claims 8 or 9, the water content of the conditioned air can be adjusted. On the one hand, this results in optimal and constant air conditioning of the roving or the fiber strand, depending on the room ambient temperature, and on the other hand, the number of thread breaks can be reduced with the help of this water content control.

Eine vorteilhafte Spinnmaschine zur Ausführung des erfindungsgemässen Verfahrens ist durch Anspruch 10 gekennzeichnet. Vorteilhafte Weiterbildungen dieser Vorrichtung sind durch die Ansprüche 11 bis 20 definiert.An advantageous spinning machine for carrying out the method according to the invention is characterized by claim 10. Advantageous developments of this device are defined by claims 11 to 20.

Durch die Kombination der erfindungsgemässen Vorgarnklimatisierung mit der Absaugung an der Luftführungskammer im Bereich der Spindeln wird eine wesentliche Einsparung an klimatisierter, d.h. erwärmter und befeuchteter Luft erzielt, wodurch der Energieverbrauch drastisch gesenkt werden kann.

Fig. 1
einen Schnitt senkrecht zur Längsrichtung einer erfindungsgemäßen Ringspinnmaschine, wobei nur die Vorgarnspulen klimatisiert sind,
Fig. 2
eine analoge, noch stärker schematisierte Ansicht nur einer Hälfte der Spinnmaschine, wobei zusätzlich noch eine Klimatisierung des Vorgarnes angedeutet ist,
Fig. 3
eine analoge Teilansicht einer weiteren Ausführungsform einer erfindungsgemäßen Ringspinnmaschine,
Fig. 4
eine vergrößerte und mehr Details zeigende Schnittansicht nach Linie IV-IV in Fig. 3,
Fig. 5
eine teilweise Schnittansicht einer etwas anderen Ausführungsform, als sie in Fig. 4 gezeigt ist,
Fig. 6
eine schematische Seitenansicht einer erfindungsgemäßen Spinnmaschine, wie sie anhand der Fig. 3 bis 5 veranschaulicht ist,
Fig. 7
eine Stirnansicht eines Vorgarnspulengatters mit jeweils vier Vorgarnspulen zugeordneten Klimaluftzufuhrrohren,
Fig. 8a
eine Draufsicht des Gegenstandes der Fig. 7,
Fig. 8b
eine um zusätzliche Klimaluftzufuhrrohre erweiterte Draufsicht des Gegenstandes der Fig. 7,
Fig. 9
eine stark schematisierte Vorderansicht einer erfindungsgemäßen Ringspinnmaschine,
Fig. 10
eine schematische Ansicht eines Teils einer erfindungsgemäßen Spinnmaschine mit Sensoren und einem Luftfeuchtigkeits-Regelkreis und
Fig. 11
eine Spinnmaschine nach Fig. 10 mit einem vereinfachten Regelkreis.
By combining the roving air conditioning according to the invention with the suction at the air guide chamber in the area of the spindles, a substantial saving of conditioned, ie heated and humidified air is achieved, whereby the energy consumption can be drastically reduced.
Fig. 1
3 shows a section perpendicular to the longitudinal direction of a ring spinning machine according to the invention, only the roving bobbins being air-conditioned,
Fig. 2
an analog, even more schematic view of only one half of the spinning machine, with air conditioning of the roving also being indicated,
Fig. 3
an analog partial view of a further embodiment of a ring spinning machine according to the invention,
Fig. 4
3 shows an enlarged and more detailed sectional view along line IV-IV in FIG. 3,
Fig. 5
3 shows a partial sectional view of a somewhat different embodiment than that shown in FIG. 4,
Fig. 6
2 shows a schematic side view of a spinning machine according to the invention, as illustrated with reference to FIGS. 3 to 5,
Fig. 7
1 shows a front view of a roving bobbin creel, each with four roving bobbins associated with air-conditioning air supply tubes,
Fig. 8a
7 shows a top view of the object of FIG. 7,
Fig. 8b
7 shows a plan view of the object of FIG. 7 expanded by additional air-supply tubes,
Fig. 9
3 shows a highly schematic front view of a ring spinning machine according to the invention,
Fig. 10
a schematic view of part of a spinning machine according to the invention with sensors and a humidity control circuit and
Fig. 11
a spinning machine according to FIG. 10 with a simplified control loop.

Nach Fig. 1 besitzt eine erfindungsgemäße Ringspinnmaschine zu beiden Seiten der vertikalen Mittellängsebene 17 nebeneinander angeordnete Spinnstellen 13, die durch Streckwerke 18 und darunter angeordnete Spindeln 19 mit den dazugehörigen Bauelementen gebildet sind. Die Spindeln 19 sind von oben eine Lufteintrittsöffnung 26' aufweisenden Luftführungskammer 26 umgeben, die an ihrem unteren Ende durch nach innen abzweigende Leitungen 8 mit einem sich in Längsrichtung der Maschine erstreckenden zentralen Absaugkanal 7 verbunden sind, welcher zu einem Filter (Fig. 9) 33 führt.According to FIG. 1, a ring spinning machine according to the invention has spinning stations 13 arranged next to one another on both sides of the vertical central longitudinal plane 17, which are formed by drafting devices 18 and spindles 19 arranged thereunder with the associated components. The spindles 19 are surrounded from above by an air inlet chamber 26 'having an air inlet opening 26', which are connected at their lower end by lines 8 branching inwards to a central suction channel 7 which extends in the longitudinal direction of the machine and which forms a filter (FIG. 9) 33 leads.

Im Bereich jedes Streckwerkes 18 befinden sich Absaugvorrichtungen, welche mit einem weiteren sich in Längsrichtung der Maschine erstreckenden, vertikal über dem Absaugkanal 7 liegenden zentralen Absaugkanal 5 verbunden sind, welcher zu einem ebenfalls nicht dargestellten Filter 32 führt.In the area of each drafting device 18 there are suction devices which are connected to a further central suction channel 5, which extends in the longitudinal direction of the machine and lies vertically above the suction channel 7, which leads to a filter 32, also not shown.

Oberhalb der Streckwerke 18 befinden sich Vorngarngatter 20, an denen die für die Speisung der Streckwerke 18 erforderlichen Vorgarnspulen 11 aufgehängt sind. Gleichzeitig werden von jedem Streckwerk 18 zwei Vorgarnspulen 11 abgearbeitet, während die dritte in Reserve gehalten wird.Above the drafting devices 18 there are roving gates 20 on which the roving bobbins 11 required for feeding the drafting devices 18 are suspended. At the same time, two roving bobbins 11 are processed by each drafting unit 18, while the third is kept in reserve.

Ein schematisch angedeuteter Bläser 22 ist entlang der in einer Reihe nebeneinander angeordneten Spinnstellen 13 verfahrbar und dient dazu, mit seinem Rüssel 23 die einzelnen Spinnstellen durch Blas- und/oder Saugluft zu reinigen.A schematically indicated blower 22 can be moved along the spinning stations 13 arranged next to one another in a row and is used to clean the individual spinning stations by blowing and / or suction air with its trunk 23.

Erfindungsgemäß ist oberhalb der Spulengatter 20 ein Klimaluftkanal 14 vorgesehen, der sich in Längsrichtung der Ringspinnmaschine erstreckt und an seiner Unterseite Abzweigrohre 24 aufweist, die zu sich in Längsrichtung der Maschine erstreckenden Düsenrohren 15 führen, welche etwa in Höhe des oberen konischen Bereichs 11' der Vorgarnspulen 11 verlaufen und gegenüber dem Umfang der Vorgarnspulen 11 jeweils eine oder mehrere Klimaluftaustrittsdüsen 12 aufweisen.According to the invention, an air-conditioning duct 14 is provided above the creel 20, which extends in the longitudinal direction of the ring spinning machine and has branch pipes 24 on its underside, which lead to nozzle pipes 15 extending in the longitudinal direction of the machine, which roughly level with the upper conical region 11 'of the roving bobbins 11 run and in relation to the circumference of the roving bobbins 11 each have one or more air outlet nozzles 12.

Dem Klimaluftkanal 14 wird axial ein optimales Spinnergebnis gewährleistende klimatisierte Luft mit einer Temperatur von z.B. 28°C und einer relativen Luftfeuchte von 50% zugeführt. Diese gelangt durch die Zwischenrohre 24 zu den Düsenrohren 15 und wird aus den Klimaluftaustrittsdüsen 12 unmittelbar auf die Oberfläche der beim Abarbeiten umlaufenden Vorgarnspulen 11 gelenkt. Die Klimaluft gelangt somit nach dem Austritt aus den Düsenrohren 15 unverzüglich in Kontakt mit der Oberfläche der Garnspulen 11, so daß mit einem Minimum an Klimaluft eine optimale Klimatisierung des Vorgarns gewährleistet wird.Air-conditioned air with a temperature of e.g. 28 ° C and a relative humidity of 50%. This passes through the intermediate pipes 24 to the nozzle pipes 15 and is directed out of the air-outlet nozzles 12 directly onto the surface of the roving bobbins 11 rotating during processing. The air-conditioning air thus immediately comes into contact with the surface of the yarn bobbins 11 after exiting the nozzle tubes 15, so that optimum air-conditioning of the roving is ensured with a minimum of air-conditioning air.

Unterhalb der Vorgarnspulen 11 wird die von den Luftaustrittsdüsen 12 stammende Klimaluft zum Teil über die Lufteintrittsöffnungen 6' der Absaugleitung 6 in den Saugkanal 5 und zum Teil durch die Lufteintrittsöffnungen 26' in die Luftführungskammern 26 und von dort über die Leitungen 8 in den Saugkanal 7 abgesaugt. Die Klimaluft folgt dabei weitgehend dem Weg des Vorgarns 10, so daß dieses bis zu den Spindeln 19 hin in dem optimal klimatisierten Zustand gehalten wird, weil die im Spindelbereich entstehende Wärmeleitung von ca. 50 Watt nicht in das Gatter aufsteigt, sondern in die Spindelkammer fließt und im zweiten Kanal 7 abgeführt wird.Below the roving bobbins 11, the air from the air outlet nozzles 12 is sucked out partly through the air inlet openings 6 'of the suction line 6 into the suction channel 5 and partly through the air inlet openings 26' into the air guide chambers 26 and from there via the lines 8 into the suction channel 7 . The climate air largely follows the path of the roving 10, so that it is kept in the optimally air-conditioned state up to the spindles 19 because the heat conduction of about 50 watts that arises in the spindle area does not rise into the creel but flows into the spindle chamber and is discharged in the second channel 7.

Um den Spulengatterbereich vom Spinnsaal abzugrenzen, können an beiden Seiten der Spinnmaschine Vorhänge oder Schiebefenster 25 vorgesehen sein.To separate the creel area from the spinning hall, Curtains or sliding windows 25 may be provided on both sides of the spinning machine.

In den folgenden Figuren bezeichnen gleiche Bezugszahlen entsprechende Bauteile wie in Fig. 1.In the following figures, the same reference numerals designate corresponding components as in FIG. 1.

Nach Fig. 2 kann die aus dem Klimaluftzufuhrkanal 14 abgezweigte Klimaluft auch in sich parallel zu den Vorgarnspulen 11 erstreckende Klimaluftzufuhrrohre 9 geleitet werden, die über ihre Länge verteilt eine Reihe von Klimaluftaustrittsöffnungen 12' aufweisen, welche der Oberfläche der Vorgarnspule 11 zugewandt sind. Auch auf diese Weise wird die Klimaluft ohne Vorvermischung mit der Raumluft unmittelbar dem Vorgarn 10 zugeführt.According to FIG. 2, the air that is branched off from the air-conditioning air supply duct 14 can also be directed into air-conditioning air supply tubes 9 that extend parallel to the roving bobbins 11 and that have a series of air-conditioning outlet openings 12 ′ distributed over their length that face the surface of the roving bobbin 11. In this way too, the climate air is fed directly to the roving 10 without premixing with the room air.

Nach Fig. 2 kann auch ein weiteres Klimaluftzufuhrrohr 9' von dem Klimaluftzufuhrkanal 14 abgezweigt und parallel zu dem sich zwischen den Vorgarnspulen 11 und dem Streckwerk 18 erstreckenden Teil des Vorgarns 10 geführt sein, wo wieder gegenüber dem vorbeilaufenden Vorgarn 10 eine Reihe von Klimaluftaustrittsöffnungen 12' vorgesehen ist.According to FIG. 2, a further air-conditioning air supply pipe 9 'can also be branched off from the air-conditioning air supply duct 14 and can be guided parallel to the part of the roving 10 extending between the roving bobbins 11 and the drafting device 18, where again a number of air-conditioning outlet openings 12' opposite the roving 10 passing by. is provided.

Unterhalb jedes Streckwerks 18 ist eine Absaugleitung 6 vorgesehen, die einen Teil der dort hingelangenden Klimalüft mit dem im Streckwerk 18 freiwerdenden, wiederverwendbaren Fasern absaugt und zu dem zentralen Absaugkanal 5 führt. Im Unterschied zum Ausführungsbeispiel nach Fig. 1 sind die Spindeln 19 der Ausführungsform nach Fig. 2 mit Einzelantriebsmotoren 28 versehen, an denen die in die Luftführungskammer 26 eingesaugte Klimaluft ebenfalls entlanggeführt wird, so daß die Motoren 4 entsprechend gekühlt werden.A suction line 6 is provided underneath each drafting device 18, which draws off a portion of the air conditioning that gets there with the reusable fibers that are released in the drafting device 18 and leads to the central suction channel 5. In contrast to the exemplary embodiment according to FIG. 1, the spindles 19 of the embodiment according to FIG. 2 are provided with individual drive motors 28, along which the air that is sucked into the air guiding chamber 26 is also guided, so that the motors 4 are cooled accordingly.

Zusätzlich kann an der Decke 3 des Spinnsaales ein weiterer Klimaluftzufuhrkanal 2 vorgesehen sein, der seitlich in bestimmten Abständen Klimaluftaustrittsöffnungen 12'' aufweist.In addition, a further air-conditioning air supply duct 2 can be provided on the ceiling 3 of the spinning room, which air-conditioning outlet openings 12 ″ laterally at certain intervals. having.

Bevorzugt werden jeder Vorgarnspule 11 z.B. vier m3/h Klimaluft zugeführt, die zum Teil durch die Absaugung 5, 6 und zum Teil durch die Absaugung 7, 8, 26 abgeführt wird. Mit so geringen Klimaluftmengen kommt man deswegen aus, weil die zugeführte Klimaluft unter nur minimaler Vermischung mit Raumluft unmittelbar dem Vorgarn zugeführt und auf einem solchen Weg abgesaugt wird, daß sie bis zum Verlassen des Spinnsaales entlang des Vorgarnes 10 strömt. Es ist also von besonderer Bedeutung, daß die Absaugung der Klimaluft zum einen durch die Luftführungskammer 26 an den Spindeln 19 hindurch und gegebenenfalls zum Teil auch noch durch die Abführleitungen 6 und den Saugkanal 5 im Bereich der Streckwerke 18 erfolgt.Each roving bobbin 11 is preferably supplied with, for example, four m 3 / h of air, which is discharged partly through the suction 5, 6 and partly through the suction 7, 8, 26. One gets along with such small quantities of air-conditioning air because the air-conditioning air supplied is directly supplied to the roving material with only minimal mixing with room air and is extracted in such a way that it flows along the roving material 10 until it leaves the spinning room. It is therefore of particular importance that the suction of the air is carried out on the one hand through the air guide chamber 26 on the spindles 19 and, if necessary, also partly through the discharge lines 6 and the suction channel 5 in the area of the drafting devices 18.

Um den Spinnsaal auch noch in geeigneter Weise zu klimatisieren, können durch den an der Decke 3 vorgesehenen Klimaluftzufuhrkanal zusätzlich noch 8 m3/h Klimaluft pro Spindel zugeführt werden, die dann je zur Hälfte durch die Absaugungen 5, 6 bzw. 7, 8, 26 abgeführt werden.In order to also air-condition the spinning hall in a suitable manner, an additional 8 m 3 / h of air can be supplied per spindle through the air-supply duct provided on the ceiling 3, half of which is then extracted by suction 5, 6 or 7, 8, 26 are dissipated.

Bei den Ausführungsbeispielen nach den Fig. 3 bis 6 wird die Klimaluft über in bestimmten Abständen entlang der Spinnmaschine vorgesehene und an den Klimaluftkanal 14 angeschlossene Zwischenrohre 24 flachen Hohlkörpern 16 zugeführt, die neben jeweils einer Vorgarnspule 11 angeordnet sind und sich im wesentlichen über deren gesamte Höhe erstrecken. Gemäß den Fig. 4 und 5 sind die Hohlkörper 16 derart gekrümmt ausgebildet, daß sie die Vorgarnspulen 11 mit einer ihrer Flachseiten über einen Winkelbereich von annähernd 90° umfassen.In the exemplary embodiments according to FIGS. 3 to 6, the air is supplied to flat hollow bodies 16, which are provided at certain intervals along the spinning machine and are connected to the air duct 14, intermediate tubes 24, which are arranged next to a roving bobbin 11 and essentially over their entire height extend. 4 and 5, the hollow bodies 16 are curved such that they enclose the roving bobbins 11 with one of their flat sides over an angular range of approximately 90 °.

Auf der den Garnspulen 11 zugewandten Seite weisen die Hohlkörper 16 gleichmäßig über ihre Oberfläche verteilt Klimaluftaustrittsöffnungen 12' auf, welche sich im engen Abstand bestimmt durch den Anschlag 31, von der Oberfläche der Garnspule 11 oder in Berührung mit dieser befinden.On the side facing the bobbins 11, the hollow bodies 16 have air-conditioning outlet openings 12 'distributed uniformly over their surface, which are located at a close distance determined by the stop 31, from the surface of the bobbin 11 or in contact with it.

Nach den Fig. 3 und 4 ist jeder flache Hohlkörper 16 um eine neben der Vorgarnspule 11 angeordnete parallel zur Spulenachse verlaufende Schwenkachse 29 in Richtung der Spule bzw. von ihr weg schwenkbar angeordnet. Zweckmäßig ist der Hohlkörper durch eine Feder 30 (Fig. 4) in Richtung der Garnspule 11 gegen einen Anschlag 31 vorgespannt, so daß eine einwandfreie Klimatisierung der Oberfläche der Vorgarnspule 11 gewährleistet wird.3 and 4, each flat hollow body 16 is arranged to be pivotable in the direction of the bobbin or away from it about a pivot axis 29 arranged next to the roving bobbin 11 and running parallel to the bobbin axis. The hollow body is expediently prestressed by a spring 30 (FIG. 4) in the direction of the bobbin 11 against a stop 31, so that a perfect air conditioning of the surface of the roving bobbin 11 is ensured.

Beim Ausführungsbeispiel nach Fig. 5 ist der Hohlkörper 16 über eine Spiralfeder 30' schwenkbar und gleichzeitig federnd in Richtung des Anschlags 31 vorgespannt.In the exemplary embodiment according to FIG. 5, the hollow body 16 can be pivoted via a spiral spring 30 'and at the same time is spring-loaded in the direction of the stop 31.

Gemäß Fig. 6 sind in bestimmten Abständen in Längsrichtung der Spinnmaschine Zwischenrohre 24 vom Klimaluftkanal 14 abgezweigt, die jeweils ebenfalls in Längsrichtung verlaufende Klimaluftzufuhrrohre 15' beaufschlagen, von denen weitere Zwischenrohre 24' zu den Hohlkörpern 16 abzweigen.According to FIG. 6, intermediate tubes 24 are branched off from the air-conditioning duct 14 at certain intervals in the longitudinal direction of the spinning machine, and each act on the air-conditioning air supply tubes 15 ′, which also extend in the longitudinal direction, from which further intermediate tubes 24 ′ branch off to the hollow bodies 16.

Bei dem Ausführungsbeispiel nach den Fig. 7 bis 8a sind von den Düsenrohren 15 bzw. den Zwischenrohren 15' vertikale Klimaluftzufuhrrohre 9 abgezweigt, die sich zwischen einer Gruppe von jeweils vier rechteckförmig oder quadratisch angeordneten Vorgarnspulen 11 erstrecken und gegenüber den Oberflächeb der Vorgarnspulen 11 Luftaustrittsöffnungen 12' aufweisen. Auf diese Weise können insgesamt vier Vorgarnspulen von einem einzigen vertikalen Klimaluftzufuhrrohr 9 unmittelbar in optimaler Weise mit Klimaluft beaufschlagt werden.In the embodiment according to FIGS. 7 to 8a, vertical air-conditioning air supply pipes 9 are branched off from the nozzle pipes 15 or the intermediate pipes 15 ', which extend between a group of four rectangular or square roving bobbins 11 and 11 air outlet openings 12 opposite the surfaces of the roving bobbins ' exhibit. In this way, a total of four roving bobbins can be directly and optimally supplied with air-conditioning air from a single vertical air-supply tube 9.

Bei dem Ausführungsbeispiel von Fig. 8b wurden weitere sechs Klimaluftzufuhrrohre 9'' von den Düsenrohren 15 bzw. den Zwischenrohren 15' abgezweigt, wobei jeweils drei Klimaluftzufuhrrohre 9'' auf einer Linie liegend, durch eine Gruppe von jeweils vier rechteckig oder quadratisch angeordneten Vorgarnspulen 11 von den anderen Klimaluftzufuhrrohren 9' getrennt sind. Die Düsenöffnungen 12' der zusätzlich eingeführten Klimaluftzufuhrrohre 9'' weisen in Richtung des von der Gruppe der Vorgarnspulen 11 getrennten gegenüberliegenden Klimaluftzufuhrrohres 9''. Mit dieser Anordnung wird eine natürliche Klimakammer mit einem räumlich sehr konstanten Klima aufgebaut, wodurch insbesondere ein Klimagefälle an den Vorgarnspulen 11 vermieden wird.In the exemplary embodiment in FIG. 8b, a further six air-conditioning air supply pipes 9 ″ were branched off from the nozzle pipes 15 and the intermediate pipes 15 ′, with three air-conditioning air supply pipes in each case 9 ″ lying on a line, are separated from the other air-conditioning air supply pipes 9 ′ by a group of four roving bobbins 11 arranged in a rectangular or square manner. The nozzle openings 12 ′ of the additionally introduced air-conditioning air supply pipes 9 ″ point in the direction of the air-conditioning air supply pipe 9 ″ that is opposite and separated from the group of roving bobbins 11. With this arrangement, a natural climatic chamber with a spatially very constant climate is built up, as a result of which, in particular, a climate gradient at the roving bobbins 11 is avoided.

Nach Fig. 9 sind erfindungsgemäß an allen nebeneinander angeordneten Spinnstellen 13 unterhalb des Streckwerkes 18 Absaugöffnungen 6' angeordnet, welche die an den Streckwerken 18 freiwerdenden, größtenteils wiederverwendbaren Fasern über die Absaugleitungen 6 in einen zentralen, sich in Maschinenlängsrichtung erstreckenden Saugkanal 5 führen, der die Gesamtmenge der von den Streckwerken 18 abgesaugten Luft durch ein Filter 32, bestehend aus einem Filtergehäuse 32', einem Trommelsieb 32'' und einer austauschbaren Auffangvorrichtung 32‴ zum Beispiel in Form einer Schublade, leitet, das die wiederverwendbaren Fasern 36 abscheidet und in der austauschbaren Auffangvorrichtung 32‴ sammelt. Im unteren zentralen, sich ebenfalls in Maschinenlängsrichtung erstrekkenden Saugkanal 7 wird der über die ebenfalls an jeder Spinnstelle 13 angeordneten Öffnungen 26' und die Leitungen 8 angesaugte Faserflug und Staub durch ein Filter 33 mit einem Filtergehäuse 33' geleitet, welches diese Abfallprodukte 34 durch ein Trommelsieb 33'' in einer ebenfalls austauschbaren Auffangvorrichtung 33‴ abscheidet. Nach den Filtern 32 und 33 werden die Absaugkanäle 5 und 7 in einen gemeinsamen Endabsaugkanal 35 zusammengeführt, wodurch nur ein einziger Saugventilator 37 benötigt wird.According to FIG. 9, suction openings 6 'are arranged according to the invention at all the spinning stations 13 arranged next to one another below the drafting device 18, which lead the largely reusable fibers that are released on the drawing devices 18 via the suction lines 6 into a central suction channel 5 which extends in the machine longitudinal direction and which Total amount of air drawn off from the drafting devices 18 passes through a filter 32, consisting of a filter housing 32 ', a drum screen 32''and an exchangeable collecting device 32 ‴, for example in the form of a drawer, which separates the reusable fibers 36 and in the exchangeable one Collecting device 32 ‴ collects. In the lower central suction channel 7, which also extends in the machine longitudinal direction, the fiber fly and dust sucked in via the openings 26 ′, which are also arranged at each spinning station 13, and the lines 8 are passed through a filter 33 with a filter housing 33 ′, which passes these waste products 34 through a drum sieve Separates 33 '' in a likewise interchangeable collecting device 33 ‴. After the filters 32 and 33, the suction channels 5 and 7 are merged into a common end suction channel 35, as a result of which only a single suction fan 37 is required.

Figur 10 zeigt schematisch, wie das Verfahren abhängig von den Verhältnissen im Spinnsaal mit einer regeltechnischen Einrichtung weiterentwickelt werden kann. Die Spinnmaschine 100 enthält mehrere Vorgarnspulen 101, von welchen das Vorgarn 101a dem Streckwerk 106 zugeführt wird. Nach dem Streckwerk wird das Garn 105 mittels eines Rings 103 und eines darauf umlaufenden Läufers 104 auf eine Garnspule 102 aufgewickelt, die mit einem Antrieb 107 versehen ist. Mittels eines Fadenbruchwächters 128 kann beispielsweise auf der Höhe des Läufers 104 überwacht werden, ob ein Garnbruch vorliegt. In der Spinnmaschine 100 ist mindestens ein Temperaturfühler 126 vorgesehen, von dem Temperaturmesswerte an eine Steuerung 125 über eine Signalleitung 126a übermittelt werden. Die Steuerung 125 ist über eine Steuerleitung 126b mit einem Dosiergerät 123 verbunden, womit abhängig von den Messwerten der Temperatur Wasser gemäss Pfeil 121b einer Mischkammer 124 zugeführt werden kann. In die Mischkammer 124 mündet gemäss Pfeil 121a auch eine Luftleitung. Die befeuchtete Luft 121c wird demnach über Rohrleitungen 121 geregelt den Vorgarnspulen 101 zugeführt. Bei steigender Temperatur im Bereich des Temperaturfühlers 126 wird die befeuchtete Luft einen höheren Wassergehalt aufweisen. Zusätzlich kann ein Feuchtigkeitsfühler 127 eingesetzt werden, mit dem das regeltechnische Verhalten der Steuerung 125 verbessert werden kann.Figure 10 shows schematically how the process can be further developed with a control device depending on the conditions in the spinning room. The spinning machine 100 contains a plurality of roving bobbins 101, from which the roving 101a is fed to the drafting system 106. After the drafting device, the yarn 105 is wound onto a yarn spool 102, which is provided with a drive 107, by means of a ring 103 and a rotor 104 rotating thereon. A thread break monitor 128 can be used, for example, to monitor at the level of the runner 104 whether there is a yarn break. At least one temperature sensor 126 is provided in the spinning machine 100, from which temperature measured values are transmitted to a controller 125 via a signal line 126a. The controller 125 is connected via a control line 126b to a metering device 123, with which water can be supplied to a mixing chamber 124 according to arrow 121b depending on the measured values of the temperature. According to arrow 121a, an air line also opens into the mixing chamber 124. The humidified air 121c is accordingly supplied to the roving bobbins 101 in a controlled manner via pipelines 121. With increasing temperature in the area of the temperature sensor 126, the humidified air will have a higher water content. In addition, a moisture sensor 127 can be used, with which the control behavior of the controller 125 can be improved.

Die Klimatisierung der die Vorgarnspulen 101 bzw. 11 umgebenden Luft kann auch dadurch erreicht werden, dass anstelle befeuchteter Luft nur Wasser zugeführt wird, dass gemäss Figur 11 mittels eines Dosiergeräts 123 zugeteilt wird und analog zur Anordnung in Figur 10 über eine Rohrleitung 121 gemäss den eingezeichneten Pfeilen in der Spinnmaschine 100 verteilt wird. Auf Höhe der Vorgarnspulen 101 kann das Wasser durch am Ende der Rohrleitung 121 sitzende feine Düsen 122 versprüht werden, wobei ein direktes Aufsprühen des Wassernebels auf die Oberfläche der Vorgarnspule vorteilhaft ist, weil damit die Feuchtigkeit noch gezielter auf das Vorgarn aufgebracht wird. Auch bei dieser Anordnung ist es zweckmässig, mittels eines Temperaturfühlers 126 die pro Zeiteinheit zugeführte Wassermenge zu regeln. In der Steuerung 125 kann ein Grundwert für den Wasserausstoss pro Zeiteinheit vorgegeben werden, ebenfalls ein Sollwert für die Luftfeuchtigkeit in der Umgebung der Vorgarnspulen, wobei diese jeweils durch einen Feuchtigkeitsfühler 127 gemäss Figur 10 und Figur 11 überwacht wird.The air conditioning of the roving bobbins 101 and 11 can also be achieved by supplying water instead of humidified air, which is allocated according to FIG. 11 by means of a metering device 123 and analogously to the arrangement in FIG. 10 via a pipeline 121 according to the one shown Arrows in the spinning machine 100 is distributed. At the level of the roving bobbins 101, the water can be sprayed through fine nozzles 122 located at the end of the pipeline 121, direct spraying of the Water mist on the surface of the roving bobbin is advantageous because the moisture is applied to the roving more precisely. With this arrangement, too, it is expedient to regulate the amount of water supplied per unit of time by means of a temperature sensor 126. A basic value for the water output per unit of time can be specified in the controller 125, likewise a target value for the air humidity in the vicinity of the roving bobbins, this being monitored in each case by a moisture sensor 127 according to FIGS. 10 and 11.

Claims (20)

  1. A method for conditioning a fibre strand to be supplied to a drafting arrangement, in particular a roving yarn in spinning machines, in particular ring spinning machines, in which the fibre strand is supplied with a conditioned medium from outlet openings (12') for a conditioning medium, characterized in that the roving bobbins (11, 101) required for feeding the drafting arrangements (18) and/or the roving yarn (10) leading from the roving bobbins (11) to the drafting arrangement (18) is/are charged on one side with the conditioned medium by one or several outlet openings (12') in their vicinity directly facing the surface of the roving bobbin or the passing roving yarn (10) before said medium can mix with the atmosphere encompassing the outlet openings (12'), with the charging with the conditioning medium being made with the outlet openings (12') for the conditioning medium which are arranged in the upper conically tapering zone (11') of the roving bobbins (11) or being made at least on one side over at least substantially the entire height of the roving bobbin (11) and/or along the roving yarn (10) between the roving bobbin (11) and the drafting arrangement (18) at several places.
  2. A method as claimed in claim 1, characterized in that the conditioned medium consists of air into which water is sprayed.
  3. A method as claimed in claim 2, characterized in that the air is provided with a humidity of 30 to 80 %, preferably 40 to 70 %, in particular 50 to 60 %, and a temperature of 10° to 50°C, preferably 20° to 40°C, in particular 25° to 35°C.
  4. A method as claimed in one of the preceding claims, characterized in that the charging with the conditioning medium is carried out over a substantial fraction of the circumference of the roving bobbin (11).
  5. A method as claimed in one of the preceding claims, characterized in that the conditioning medium is applied to the yarn, prior to a substantial mixture with ambient air, in form of one or several jets which are directed against the surface of the roving bobbin (11).
  6. A method as claimed in one of the preceding claims, characterized in that a central suction of air is carried out in the zone of the individual spindles (19).
  7. A method as claimed in one of the preceding claims, characterized in that a central suction of air is carried out in each drafting arrangement (18).
  8. A method as claimed in one of the claims 2 to 7, characterized in that the water content of the humid air supplied to the roving bobbins can be set, in particular depending on the ambient temperature prevailing in the room.
  9. A method as claimed in claim 8, characterized in that the water content is determined by the number of the fibre breakages.
  10. A spinning machine, in particular a ring spinning machine, for carrying out the method in accordance with one of the preceding claims with at least one feed duct (14) for the conditioning medium extending in the longitudinal direction along the spinning positions (13), with outlet openings (12') for the conditioning medium, characterized in that in the ultimate vicinity of each roving bobbin (11) and/or of the roving yarn (10) extending between the roving bobbin (11) and the drafting arrangement (18) there is provided at least one outlet nozzle (12) or outlet opening (12') for the conditioning medium which is in flow connection with the feed duct (14) for the conditioning medium and which faces the surface of the roving bobbin (11) or the passing roving yarn (10), with several nozzles (12) or openings (12') being adjacent to one another along the conically tapering upper zone of the roving bobbin (11) or along a bobbin (11) and/or along a roving yarn between the roving bobbin (11) and the drafting arrangement (18).
  11. A spinning machine as claimed in claim 10, characterized in that a common outlet nozzle (12) or outlet opening (12') for the conditioning medium is provided for two adjacent roving bobbins (11).
  12. A spinning machine as claimed in claim 10 or 11, characterized in that nozzle pipes (15) are disposed along the upper zone (11') of the roving bobbins (11), which pipes are connected to the feed duct (14) for the conditioning medium and are provided with outlet nozzles (12) or outlet openings (12') for the conditioning medium in the vicinity of the bobbin surfaces.
  13. A spinning machine as claimed in claim 10, characterized in that the roving bobbins (11) are at least partly encompassed by a hollow feed body (16) for the conditioning medium which is arranged flat in particular and which preferably extends at least approximately over its entire height and is provided with outlet openings (12') for the conditioning medium which face the bobbin surface.
  14. A spinning machine as claimed in claim 13, characterized in that the hollow body is preferably curved according to the mean bobbin curvature.
  15. A spinning machine as claimed in claim 13 or 14, characterized in that the hollow body (16) is movably held in the direction of the roving bobbin (11) and is in contact with a stop (31) in such a way that it merely touches the surface of the full bobbin or has a small distance therefrom.
  16. A spinning machine as claimed in claim 15, characterized in that the hollow body (16) is resiliently pressed against the stop (31).
  17. A spinning machine as claimed in claim 15, characterized in that next to each roving bobbin (11) there is provided a feed pipe (9) for the conditioning medium which extends parallel thereto and which is provided with outlet nozzles (12) or outlet openings (12') for the conditioning medium which face the surface of the roving bobbin (11)
  18. A spinning machine as claimed in claim 17, characterized in that a group of roving bobbins (11), in particular four roving bobbins (11), is arranged about a common central feed pipe (9) for the conditioning medium which substantially extends parallel to its axis.
  19. A spinning machine as claimed in claim 18, characterized in that further feed pipes (9") for the conditioning medium are arranged about the group of roving bobbins (11).
  20. A spinning machine as claimed in one of the claims 10 to 19, characterized in that each spindle (19) is encompassed by an air guide chamber (26) which is provided at the top with an air intake opening (26') and is connected laterally or below with a central suction duct (7) associated with all spindles (19).
EP92810998A 1991-12-19 1992-12-14 Method for conditioning roving in spinning machines and a spinning machine for carrying out this method Expired - Lifetime EP0548026B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4142110 1991-12-19
DE4142110A DE4142110A1 (en) 1991-12-19 1991-12-19 METHOD FOR THE AIR CONDITIONING OF PRE-YARN IN SPINNING MACHINES AND SPINNING MACHINE FOR CARRYING OUT THIS METHOD

Publications (2)

Publication Number Publication Date
EP0548026A1 EP0548026A1 (en) 1993-06-23
EP0548026B1 true EP0548026B1 (en) 1997-01-22

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Application Number Title Priority Date Filing Date
EP92810998A Expired - Lifetime EP0548026B1 (en) 1991-12-19 1992-12-14 Method for conditioning roving in spinning machines and a spinning machine for carrying out this method

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EP (1) EP0548026B1 (en)
JP (1) JPH05247746A (en)
DE (2) DE4142110A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19508633C1 (en) * 1995-03-10 1996-05-30 Wgf Colcoton Garn Hasenack & C Staple fibre dyeing for coloured yarns
DE19612707A1 (en) * 1996-03-29 1997-10-02 Rieter Ag Maschf Spinning line
CN1469945A (en) * 2000-08-23 2004-01-21 吕特・英格尔纺织机械制造股份公司 Method for operating drawing equipment and drawing equipment
DE10160123A1 (en) * 2001-12-07 2003-06-26 Zinser Textilmaschinen Gmbh Apparatus for bundling a fiber composite comprises a condenser, behind the exit roller of a rolling mill, transverse to the direction of transportation and coordinated with an air-pressurizable air conditioner.
DE102007001754B4 (en) 2007-01-11 2014-04-03 Saurer Germany Gmbh & Co. Kg Open-end spinning machine
CN107938053A (en) * 2017-12-13 2018-04-20 武汉纺织大学 A kind of method that yarn of Seluofle composite spinning dyes online

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Publication number Priority date Publication date Assignee Title
US2425578A (en) * 1945-06-14 1947-08-12 Meinard F Thoma Method of and apparatus for air conditioning of spinning operations and the like
NL87890C (en) * 1953-05-15
LU38197A1 (en) * 1959-02-10
GB947312A (en) * 1959-02-14 1964-01-22 Ryohei Tsuzuki Textile spinning frames
CH400869A (en) * 1963-03-21 1965-10-15 Sulzer Ag Textile machine
CH508855A (en) * 1969-03-28 1971-06-15 Spolair Engineering Systems Ag Air conditioning system
US3665070A (en) * 1969-05-26 1972-05-23 Teijin Ltd Method of air-conditioning undrawn yarn package in drawing machine
US4350007A (en) * 1979-07-06 1982-09-21 Luwa Ag Spinning frame
DE8908921U1 (en) * 1989-07-22 1989-11-02 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Spinning machine with exhaust fans arranged inside the machine frame

Also Published As

Publication number Publication date
JPH05247746A (en) 1993-09-24
DE4142110A1 (en) 1993-06-24
DE59207947D1 (en) 1997-03-06
EP0548026A1 (en) 1993-06-23

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