EP3012361B1 - Device for a spinning preparation machine, e.g. carding machine, for measuring distances between the garnished flat bars of a revolving flat unit and the garnished drum - Google Patents

Device for a spinning preparation machine, e.g. carding machine, for measuring distances between the garnished flat bars of a revolving flat unit and the garnished drum Download PDF

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Publication number
EP3012361B1
EP3012361B1 EP15001527.9A EP15001527A EP3012361B1 EP 3012361 B1 EP3012361 B1 EP 3012361B1 EP 15001527 A EP15001527 A EP 15001527A EP 3012361 B1 EP3012361 B1 EP 3012361B1
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EP
European Patent Office
Prior art keywords
card flat
flat bar
measuring
card
sensor
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EP15001527.9A
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German (de)
French (fr)
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EP3012361A1 (en
Inventor
Martin Dovern
Andreas Sobotka
Eike Tammen
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Truetzschler GmbH and Co KG
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Truetzschler GmbH and Co KG
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
    • D01G15/24—Flats or like members

Definitions

  • the invention relates to a device on a spinning preparation machine, z.
  • a device on a spinning preparation machine for measuring distances between the garnished flat bars of a moving lid unit and the garnished drum, in which at least one sensor is present, with the tip spacing (carding) between the garnished surfaces can be detected, the sensor is associated with a flat bar and the Drum set is arranged opposite.
  • the DE4235610 A1 discloses a sensor for measuring the carding distance, wherein the sensor is associated with the lid and the clothing is opposite to the drum.
  • the invention is therefore an object of the invention to provide a device of the type described above, which eliminates the disadvantages mentioned, which allows in particular a non-contact carding gap measurement under production conditions and allows wireless transmission of the measured data to an evaluation.
  • the at least one sensor is integrated in the flat bar and there is wireless signal transmission allows the carding nip to be measured during fiber material throughput production.
  • a further advantage is that it allows the wireless signal transmission in combination with the integration of the measuring electronics in a further flat bar that the card remains closed and all safety devices remain in operation. As a result, even a simple trained user can use the measuring system.
  • the device according to the invention makes it possible to continuously determine the carding gap on the revolving lid without contact during production, that is to say without influencing the measurement result by means of fiber material. Furthermore, the card is operated by the system under real conditions, for example with closed doors. Since the carding gap is particularly dependent on the temperature conditions in the card, there is a difference between a measurement with open and closed doors, as this changes the temperature conditions.
  • Fig. 1 shows a card, z. B. Trützschler carding TC, with feed roller 1, dining table 2, lickers 3a, 3b, 3c, drum 4, pickup 5, skimmer 6, nip rollers 7, 8, Vliesleitelement 9, trimming funnel 10, take-off rollers 11, 12, revolving lid 13 with Deckelumlenkrollen 13a , 13b and garnished flat bars 14, jug 15 and can stock 16.
  • M denotes the center point (axis) of the drum 4.
  • 4a indicates the set (Sägeyakgarnitur) and 4b indicates the direction of rotation of the drum 4 at.
  • 5a indicates the set (saw tooth set) and 5b indicates the direction of rotation of the pickup 5.
  • the measuring cover rod 14d contains the sensors 18a, 18b, 18c (see FIG. Fig. 7 ) for temperature and carding gap measurement, while the transport cover 17 includes the electronics, power supply and data transmission. These two elements are connected to each other via cable lines 19, while the data from the transport cover 17 wirelessly to an evaluation unit 20 (see FIG. Fig. 6 ) are transferred outside the card.
  • the dimensions of the transport cover 17 are selected such that the boards of the eddy current sensors are used without problems can. Due to the significant deviation of the design of the transport cover 17 of a normal flat bar 14, it is not possible to use 17 left and right next to the transport cover 17 normal flat bars 14. At these positions, two intermediate lids 21a, 21b are provided. The intermediate covers close the gaps between the transport cover 17 and the adjacent flat bars 14, so that no fibers are blown out of the pressurized Kardierspalt at these locations.
  • a toothed belt for the transport of the flat bars 14a to 14n and the transport cover 17 in the direction B is designated.
  • the flat bars 14a to 14n are made of extruded aluminum and each have a cavity 14 'on.
  • the transport rod 17 according to Fig. 3 as a carrier of the electronics and power supply, is not bound to the design of a flat bar 14a to 14n. Part of the concept is to accommodate all required components of the Meßdeckelsystems in a transport rod 17.
  • the transport rod 17 should not interfere with the carding, but since no measurements are made, deviations from the normal flat rod 14a to 14n are possible.
  • the basic shape of the transport cover 17 includes a housing 17 1 with an internal cavity 17 second
  • the housing 17 1 is mounted on the cover foot 14 "(full profile) of a milled flat bar 14a to 14n .
  • the dimensions of the profile interior 17 2 enable the reception of the required electronic components. Under production conditions, this means that no carding work is performed when used in the carding zone at three successive topmost card places. Fig. 3 ) intended.
  • each eddy current sensor requires its own board 24a, 24b and 24c, added to the system electronics 25, a (not shown) common electronics of the six temperature sensors, the power supply via an accumulator 26 and a Bluetooth module 27th
  • FIG. 5 are the two intermediate rods 21a, 21b, left and right of the transport cover 17, milled flat bars 14a to 14n. To increase the rigidity of the flat bar in each case a bridge from the right or left side has stopped. The shape of the intermediate rods 21a, 21b results from the deflection of the transport cover in the lid circuit.
  • the transport cover 17 requires the space of three flat bars 14a to 14n. So that no fibers are blown out in front of and behind the transport cover 17 in the carding zone, the two intermediate rods 21a, 21b cover the intermediate spaces.
  • the milled profile, each with a web is the allowable space that can be claimed by the intermediate rods 21a, 21b.
  • the transport cover rod 17 includes the housing 17 1 and the cover foot 14 ".
  • the complete measuring system is in Fig. 6 shown. It consists of the measuring cover 14d, the transport cover 17, the two intermediate covers 21a, 21b and a laptop 20 for displaying and evaluating the measured values.
  • Fig. 7 For the use of the measuring system are after Fig. 7 from the existing lid circuit of the revolving lid 13, sh. Fig. 1 taken a card four flat bars 14a to 14n.
  • the transport cover 17 with the two intermediate lids 21a, 21b requires a blank space of three flat bars in Episode.
  • the measuring lid 14d In the running direction B of the flat bars, the measuring lid 14d is inserted by two or three positions in front of the transport lid 17, so that the measuring lid 14d moves into the active carding zone in front of the transport lid 17.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Description

Die Erfindung betrifft eine Vorrichtung an einer Spinnereivorbereitungsmaschine, z. B. Karde, zur Messung von Abständen zwischen den garnierten Deckelstäben eines Wanderdeckelaggregats und der garnierten Trommel, bei der mindestens ein Sensor vorhanden ist, mit dem der Spitzenabstand (Kardierabstand) zwischen den garnierten Flächen erfassbar ist, wobei der Sensor einem Deckelstab zugeordnet ist und der Trommelgarnitur gegenüberliegend angeordnet ist.The invention relates to a device on a spinning preparation machine, z. As carding, for measuring distances between the garnished flat bars of a moving lid unit and the garnished drum, in which at least one sensor is present, with the tip spacing (carding) between the garnished surfaces can be detected, the sensor is associated with a flat bar and the Drum set is arranged opposite.

Bei einer bekannten Vorrichtung ( EP 0 801 158 A ) ist eine Kardierspalteinstellung mittels Lasersensor bekannt. Dieses Konzept sieht vor, dass ein Laserstrahl von der einen Maschinenseite durch den Kardierspalt auf die gegenüberliegende Maschinenseite gesendet wird. Eine Empfangseinrichtung registriert die Laserstrahlen, die durch die engste Stelle des Kardierspalts hindurchgesendet werden. Über eine Auswertungselektronik wird ein minimaler Kardierspalt angegeben. Weicht der gemessene Kardierspalt vom Soll-Abstand ab, ermöglicht eine Steuerung das Nachstellen des Kardierspalts. Angesteuerte Motoren verstellen beidseitig die Flexibelbögen auf denen die Deckelstäbe aufliegen, um somit den Kardierspalt zu vergrößern oder zu verringern. Diese Methode ist allerdings nur im Maschinenbetrieb ohne Fasermaterial möglich. Während der Produktion würden die Fasern im Kardierspalt den Laserstrahl unterbrechen, so dass der Empfänger kein Eingangssignal mehr erhält.In a known device ( EP 0 801 158 A ) is a Kardierspalteinstellung known by laser sensor. This concept provides that a laser beam is sent from one side of the machine through the carding nip to the opposite side of the machine. A receiving device registers the laser beams that are transmitted through the narrowest point of the carding nip. An evaluation electronics specifies a minimum carding gap. If the measured carding gap deviates from the nominal distance, a controller makes it possible to readjust the carding gap. Controlled motors adjust on both sides the flexible arches on which the flat bars rest, in order to increase or decrease the carding gap. These However, this method is only possible in machine operation without fiber material. During production, the fibers in the carding nip would interrupt the laser beam so that the receiver no longer receives any input signal.

Nach einem weiteren Vorschlag ( DE 39 13 996 A ) ist zur Kardierspaltmessung ein Fühler vorgesehen. Auf beiden Maschinenseiten außerhalb der Garniturflächen ermitteln Abstandsmessfühler (induktive oder kapazitive Sensoren) den vorliegenden Abstand zwischen Deckelstabführung und Tambour. Eine Steuerung kann Differenzen zwischen IST- und SOLL-Abstand über Verstellung der Deckelstabführung ausgleichen. Ein Nachteil besteht darin, dass die kritische Durchbiegung der Deckelstäbe in der Mitte der Maschinen nicht erfasst wird.After another proposal ( DE 39 13 996 A ) is provided for Kardierspaltmessung a sensor. Distance sensors (inductive or capacitive sensors) determine the distance between the flat bar guide and the drum on both machine sides outside the clothing surfaces. A controller can compensate for differences between actual and nominal distance by adjusting the flat bar guide. A disadvantage is that the critical deflection of the flat bars in the middle of the machines is not detected.

Die DE4235610 A1 offenbart einen Sensor zur Messung des Kardierabstandes, bei dem der Sensor dem Deckel zugeordnet ist und der Garnitur der Trommel gegenüber liegt.The DE4235610 A1 discloses a sensor for measuring the carding distance, wherein the sensor is associated with the lid and the clothing is opposite to the drum.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung der eingangs beschriebenen Art zu schaffen, die die genannten Nachteile beseitigt, die insbesondere eine berührungslose Kardierspaltmessung unter Produktionsbedingungen ermöglicht und eine drahtlose Übertragung der Messdaten an eine Auswerteeinrichtung erlaubt.The invention is therefore an object of the invention to provide a device of the type described above, which eliminates the disadvantages mentioned, which allows in particular a non-contact carding gap measurement under production conditions and allows wireless transmission of the measured data to an evaluation.

Die Lösung dieser Aufgabe erfolgt durch die kennzeichnenden Merkmale der Ansprüche 1 und 34.The solution of this object is achieved by the characterizing features of claims 1 and 34.

Dadurch, dass der mindestens eine Sensor in dem Deckelstab integriert ist und eine drahtlose Signalübertragung vorhanden ist, ist es ermöglicht, dass der Kardierspalt während der Produktion mit Fasermaterialdurchsatz gemessen wird. Vorteilhaft ist ferner, dass es die drahtlose Signalübertragung in Kombination mit der Intergretation der Messelektronik in einen weiteren Deckelstab erlaubt, dass die Karde geschlossen bleibt und alle Sicherheitseinrichtungen in Betrieb bleiben. Hierdurch kann auch ein einfach eingewiesener Benutzer das Messsystem verwenden.The fact that the at least one sensor is integrated in the flat bar and there is wireless signal transmission allows the carding nip to be measured during fiber material throughput production. A further advantage is that it allows the wireless signal transmission in combination with the integration of the measuring electronics in a further flat bar that the card remains closed and all safety devices remain in operation. As a result, even a simple trained user can use the measuring system.

Die erfindungsgemäße Vorrichtung ermöglicht es, den Kardierspalt am Wanderdeckel berührungslos während der Produktion, also ohne Beeinflussung des Messergebnisses durch Fasermaterial, kontinuierlich zu bestimmen. Weiterhin wird durch das System die Karde unter realen Bedingungen betrieben, beispielsweise mit geschlossenen Türen. Da der Kardierspalt besonders von den Temperaturverhältnissen in der Karde abhängig ist, besteht ein Unterschied zwischen einer Messung mit offenen und geschlossenen Türen, da hierdurch die Temperaturverhältnisse verändert werden.The device according to the invention makes it possible to continuously determine the carding gap on the revolving lid without contact during production, that is to say without influencing the measurement result by means of fiber material. Furthermore, the card is operated by the system under real conditions, for example with closed doors. Since the carding gap is particularly dependent on the temperature conditions in the card, there is a difference between a measurement with open and closed doors, as this changes the temperature conditions.

Die Erfindung wird nachfolgend anhand von zeichnerisch dargestellten Ausführungsbeispielen näher erläutert.The invention will be explained in more detail with reference to exemplary embodiments illustrated in the drawings.

Es zeigt:

Fig. 1
schematisch Seitenansicht einer Karde für die erfindungsgemäßen Vorrichtung,
Fig. 2
Ausschnitt aus einem Wanderdeckel gemäß Fig. 1 mit der erfindungsgemäßen Vorrichtung,
Fig. 3
Querschnitt durch einen Transportdeckelstab insbesondere mit Messelektronikbauelementen,
Fig. 4
Bauraum auf dem Transportdeckelstab mit Sensorplatinen, Systemelektronik, Akkumulator und Bluetooth-Einheit in Draufsicht (Fig. 4a) und in Vorderansicht (Fig. 4b),
Fig. 5
ein Deckelumlenkbereich des Wanderdeckels gemäß Fig. 1 mit einem Transportdeckelstab,
Fig. 6
perspektivische Ansicht des kompletten Messsystems mit Anzeige- und/oder Auswerteeinrichtung und
Fig. 7
perspektivische Ansicht der Einbaulage des Messsystems.
It shows:
Fig. 1
schematically side view of a carding machine for the device according to the invention,
Fig. 2
Section of a revolving lid according to Fig. 1 with the device according to the invention,
Fig. 3
Cross section through a transport cover rod, in particular with measuring electronics components,
Fig. 4
Installation space on the transport cover rod with sensor boards, system electronics, accumulator and Bluetooth unit in plan view ( Fig. 4a ) and in front view ( Fig. 4b )
Fig. 5
a cover deflecting portion of the revolving lid according to Fig. 1 with a transport cover rod,
Fig. 6
perspective view of the complete measuring system with display and / or evaluation and
Fig. 7
perspective view of the mounting position of the measuring system.

Fig. 1 zeigt eine Karde, z. B. Trützschler Karde TC, mit Speisewalze 1, Speisetisch 2, Vorreißern 3a, 3b, 3c, Trommel 4, Abnehmer 5, Abstreichwalze 6, Quetschwalzen 7, 8, Vliesleitelement 9, Flortrichter 10, Abzugswalzen 11, 12, Wanderdeckel 13 mit Deckelumlenkrollen 13a, 13b und garnierten Deckelstäben 14, Kanne 15 und Kannenstock 16. Die Drehrichtungen der Walzen sind mit gebogenen Pfeilen gezeigt. Mit M ist der Mittelpunkt (Achse) der Trommel 4 bezeichnet. 4a gibt die Garnitur (Sägezahngarnitur) und 4b gibt die Drehrichtung der Trommel 4 an. 5a gibt die Garnitur (Sägezahngarnitur) und 5b gibt die Drehrichtung des Abnehmers 5 an. Mit B ist die Drehrichtung des Wanderdeckels 13 in Kardierstellung und mit C ist die Rücktransportrichtung der Deckelstäbe 14, mit 31', 31" sind Funktionselemente und mit 13a und 13b sind Deckelumlenkrollen bezeichnet. Der Pfeil A bezeichnet die Arbeitsrichtung. Die Sägezahngarnituren 4a und 5a (Ganzstahlgarnituren) sind als separate Bauelemente auf die Walzengrundkörper der Trommel 4 bzw. des Abnehmers 5 aufgezogen. Fig. 1 shows a card, z. B. Trützschler carding TC, with feed roller 1, dining table 2, lickers 3a, 3b, 3c, drum 4, pickup 5, skimmer 6, nip rollers 7, 8, Vliesleitelement 9, trimming funnel 10, take-off rollers 11, 12, revolving lid 13 with Deckelumlenkrollen 13a , 13b and garnished flat bars 14, jug 15 and can stock 16. The directions of rotation of the rollers are shown with curved arrows. M denotes the center point (axis) of the drum 4. 4a indicates the set (Sägezahngarnitur) and 4b indicates the direction of rotation of the drum 4 at. 5a indicates the set (saw tooth set) and 5b indicates the direction of rotation of the pickup 5. B is the direction of rotation of the traveling lid 13 in the carding position and C is the return transport direction of the flat bars 14, 31 ', 31 "are functional elements and 13a and 13b are cover deflecting rollers The arrow A designates the working direction The sawtooth sets 4a and 5a (FIG. Ganzstahlgarnituren) are mounted as separate components on the roller body of the drum 4 and der Abnehmers 5.

Nach Fig. 2 ist das Konzept für das Messdeckelsystem ein Messdeckelstab 14d mit separatem Transportdeckel (17). Im Messdeckelstab 14d befinden sich die Sensoren 18a, 18b, 18c (sh. Fig. 7) zur Temperatur- und Kardierspaltmessung, während der Transportdeckel 17 die Elektronik, Stromversorgung und Datenübertragung beinhaltet. Diese beiden Elemente sind über Kabelleitungen 19 miteinander verbunden, während die Daten vom Transportdeckel 17 kabellos an eine Auswerteeinheit 20 (sh. Fig. 6) außerhalb der Karde übertragen werden. Die Abmaße des Transportdeckels 17 sind derart gewählt, dass die Platinen der Wirbelstromsensoren problemlos eingesetzt werden können. Durch die deutliche Abweichung der Bauform des Transportdeckels 17 von einem normalen Deckelstab 14 ist es nicht möglich, links und rechts neben dem Transportdeckel 17 normale Deckelstäbe 14 einzusetzen. An diesen Positionen sind zwei Zwischendeckel 21a, 21b vorgesehen. Die Zwischendeckel schließen die Lücken zwischen dem Transportdeckel 17 und den angrenzenden Deckelstäben 14, damit an diesen Stellen keine Fasern aus dem unter Überdruck stehenden Kardierspalt ausgeblasen werden.To Fig. 2 the concept for the measuring cover system is a measuring cover rod 14d with a separate transport cover (17). The measuring cover rod 14d contains the sensors 18a, 18b, 18c (see FIG. Fig. 7 ) for temperature and carding gap measurement, while the transport cover 17 includes the electronics, power supply and data transmission. These two elements are connected to each other via cable lines 19, while the data from the transport cover 17 wirelessly to an evaluation unit 20 (see FIG. Fig. 6 ) are transferred outside the card. The dimensions of the transport cover 17 are selected such that the boards of the eddy current sensors are used without problems can. Due to the significant deviation of the design of the transport cover 17 of a normal flat bar 14, it is not possible to use 17 left and right next to the transport cover 17 normal flat bars 14. At these positions, two intermediate lids 21a, 21b are provided. The intermediate covers close the gaps between the transport cover 17 and the adjacent flat bars 14, so that no fibers are blown out of the pressurized Kardierspalt at these locations.

Mit 22 ist ein Zahnriemen für den Transport der Deckelstäbe 14a bis 14n und des Transportdeckels 17 in Richtung B bezeichnet. Die Deckelstäbe 14a bis 14n bestehen aus Aluminiumstrangpress und weisen jeweils einen Hohlraum 14' auf.At 22, a toothed belt for the transport of the flat bars 14a to 14n and the transport cover 17 in the direction B is designated. The flat bars 14a to 14n are made of extruded aluminum and each have a cavity 14 'on.

Der Transportstab 17 gemäß Fig. 3 als Träger der Elektronik und Energieversorgung, ist nicht an die Bauform eines Deckelstabes 14a bis 14n gebunden. Teil des Konzeptes ist es, alle benötigten Komponenten des Messdeckelsystems in einem Transportstab 17 unterzubringen. Der Transportstab 17 soll das Kardieren nicht stören, da hier aber keine Messungen vorgenommen werden, sind Abweichungen zum normalen Deckelstab 14a bis 14n möglich.The transport rod 17 according to Fig. 3 as a carrier of the electronics and power supply, is not bound to the design of a flat bar 14a to 14n. Part of the concept is to accommodate all required components of the Meßdeckelsystems in a transport rod 17. The transport rod 17 should not interfere with the carding, but since no measurements are made, deviations from the normal flat rod 14a to 14n are possible.

Die Grundform des Transportdeckels 17 umfasst ein Gehäuse 171 mit einem Innenhohlraum 172. Das Gehäuse 171 ist auf dem Deckelfuß 14" (Vollprofil) eines abgefrästen Deckelstabes 14a bis 14n angebracht. Die Abmaße des Profilinnenraums 172 ermöglichen die Aufnahme der erforderlichen Elektronikkomponenten. Der Transportdeckel 17 weist keine Kardierelemente auf, ersetzt jedoch drei Deckelstäbe 14a bis 14n. Unter Produktionsbedingung bedeutet dies, dass beim Einsatz in der Kardierzone an drei aufeinanderfolgenden Deckelstabplätzen keine Kardierarbeit geleistet wird. Aufgrund des herrschenden Überdrucks zwischen Tambour 4 und Deckelstäben 14a bis 14n sind zur Vermeidung des Ausblasens von Fasern die Zwischendeckel 21a, 21b (sh. Fig. 3) vorgesehen.The basic shape of the transport cover 17 includes a housing 17 1 with an internal cavity 17 second The housing 17 1 is mounted on the cover foot 14 "(full profile) of a milled flat bar 14a to 14n .The dimensions of the profile interior 17 2 enable the reception of the required electronic components. Under production conditions, this means that no carding work is performed when used in the carding zone at three successive topmost card places. Fig. 3 ) intended.

Im Innenhohlraum 172 des Gehäuses 171 ist entsprechend Fig. 4a, 4b ein Einlageblech 23 mit den verschiedenen Elektronikkomponenten besetzt. Jeder Wirbelstromsensor benötigt eine eigene Platine 24a, 24b bzw. 24c, hinzukommen die Systemelektronik 25, eine (nicht dargestellte) gemeinsame Elektronik der sechs Temperatursensoren, die Stromversorgung über einen Akkumulator 26 und ein Bluetooth Modul 27.In the inner cavity 17 2 of the housing 17 1 is corresponding Fig. 4a, 4b a liner 23 occupied with the various electronic components. Each eddy current sensor requires its own board 24a, 24b and 24c, added to the system electronics 25, a (not shown) common electronics of the six temperature sensors, the power supply via an accumulator 26 and a Bluetooth module 27th

Entsprechend Fig. 5 sind die beiden Zwischenstäbe 21a, 21b, links und rechts vom Transportdeckel 17, abgefräste Deckelstäbe 14a bis 14n. Zur Erhöhung der Steifigkeit ist vom Deckelstab jeweils ein Steg aus der rechten bzw. linken Seite stehen geblieben. Die Form der Zwischenstäbe 21a, 21b ergibt sich aus der Umlenkung des Transportdeckels im Deckelkreislauf.Corresponding Fig. 5 are the two intermediate rods 21a, 21b, left and right of the transport cover 17, milled flat bars 14a to 14n. To increase the rigidity of the flat bar in each case a bridge from the right or left side has stopped. The shape of the intermediate rods 21a, 21b results from the deflection of the transport cover in the lid circuit.

In den beiden Umkehrpunkten 13a, 13b des Deckelkreislaufs (sh. Fig. 1) benötigt der Transportdeckel 17 den Platz von drei Deckelstäben 14a bis 14n. Damit in der Kardierzone keine Fasern vor und hinter dem Transportdeckel 17 ausgeblasen werden, decken die beiden Zwischenstäbe 21a, 21b die Zwischenräume ab. Das abgefräste Profil mit jeweils einem Steg ist dabei der zulässige Bauraum, der von den Zwischenstäben 21a, 21b beansprucht werden kann.In the two reversal points 13a, 13b of the lid cycle (see FIG. Fig. 1 ), the transport cover 17 requires the space of three flat bars 14a to 14n. So that no fibers are blown out in front of and behind the transport cover 17 in the carding zone, the two intermediate rods 21a, 21b cover the intermediate spaces. The milled profile, each with a web is the allowable space that can be claimed by the intermediate rods 21a, 21b.

Der Transportdeckelstab 17 umfasst das Gehäuse 171 und den Deckelfuß 14".The transport cover rod 17 includes the housing 17 1 and the cover foot 14 ".

Das komplette Messsystem ist in Fig. 6 dargestellt. Es besteht aus dem Messdeckel 14d, dem Transportdeckel 17, den beiden Zwischendeckeln 21a, 21b und einem Laptop 20 zur Anzeige und Auswertung der Messwerte.The complete measuring system is in Fig. 6 shown. It consists of the measuring cover 14d, the transport cover 17, the two intermediate covers 21a, 21b and a laptop 20 for displaying and evaluating the measured values.

Für den Einsatz des Messsystems werden nach Fig. 7 aus dem vorhandenen Deckelkreislauf des Wanderdeckels 13, sh. Fig. 1 einer Karde vier Deckelstäbe 14a bis 14n entnommen. Der Transportdeckel 17 mit den beiden Zwischendeckeln 21a, 21b benötigt eine Leerstelle von drei Deckelstäben in Folge. In Laufrichtung B der Deckelstäbe ist der Messdeckel 14d um zwei oder drei Positionen vor dem Transportdeckel 17 eingesetzt, so dass der Messdeckel 14d vor dem Transportdeckel 17 in die aktive Kardierzone einfährt.For the use of the measuring system are after Fig. 7 from the existing lid circuit of the revolving lid 13, sh. Fig. 1 taken a card four flat bars 14a to 14n. The transport cover 17 with the two intermediate lids 21a, 21b requires a blank space of three flat bars in Episode. In the running direction B of the flat bars, the measuring lid 14d is inserted by two or three positions in front of the transport lid 17, so that the measuring lid 14d moves into the active carding zone in front of the transport lid 17.

Claims (35)

  1. A device for detecting the tip distance between the clothed surfaces of at least one card flat bar and a cylinder clothing (4a) of a spinning preparation machine, e.g. a card,
    - comprising at least one revolving flat aggregate (13) with clothed card flat bars (14),
    - wherein at least one card flat bar is formed as a measuring card flat bar (14d), which includes at least one sensor (18a, 18b, 18c) for measuring the distance, which sensor is located directly opposite the cylinder clothing (4a),
    - characterized in
    - that a further card flat bar is formed as a transport card flat (17), which includes electronical measuring components (24a, 24b, 24c; 25),
    - wherein the measuring card flat bar (14d) is electrically connected to the transport card flat (17),
    - wherein the transport card flat (17) is formed for wirelessly transmitting the measured data of the sensors (18a, 18b, 18c) to an electronic evaluation apparatus (20).
  2. The device according to claim 1, characterized in that are disposed one sensor (18b) in the central area and respectively one sensor (18a, 18c) in the border area of the clothing surface of the measuring card flat bar (14d).
  3. The device according to any of the claims 1 to 2, characterized in that the at least one sensor is an Eddy current sensor.
  4. The device according to claim 3, characterized in that the inductivity of the coil of the eddy current sensor is proportional to the distance of the coil and a metallic counter-element, e.g. the cylinder clothing.
  5. The device according to any of the claims 1 to 4, characterized in that at least one temperature sensor is associated to the card flat bar.
  6. The device according to claim 5, characterized in that the temperature sensors are disposed next to the eddy current sensors.
  7. The device according to claim 1, characterized in that the transport card flat bar (17) contains system electronics and a signal transmission apparatus for the measured data.
  8. The device according to claim 1, characterized in that the electronical measuring components comprise sensor boards.
  9. The device according to claim 8, characterized in that the electronics of the sensor boards establish the electrical resonant circuit of the coils in the Eddy current sensors.
  10. The device according to any of the claims 8 to 9, characterized in that the electronics on the sensor boards are able to convert the inductivity to a proportional electrical voltage and to amplify it.
  11. The device according to any of the claims 7 to 10, characterized in that the voltage is transferable further to the system electronics.
  12. The device according to any of the claims 7 to 11, characterized in that the system electronics stores the measured values of the Eddy current sensors.
  13. The device according to any of the claims 7 to 12, characterized in that the system electronics stores the measured values of the temperature sensors.
  14. The device according to any of the claims 7 to 13, characterized in that the system electronics stores the measuring cycle and the sampling frequencies.
  15. The device according to any of the claims 7 to 14, characterized in that the system electronics is able to forward the measured values to a wireless signal transmission apparatus.
  16. The device according to any of the claims 7 to 15, characterized in that the signal transmission apparatus is a Bluetooth unit.
  17. The device according to any of the claims 7 to 16, characterized in that the transmission of the measured data is realized via WLAN.
  18. The device according to any of the claims 7 to 17, characterized in that the wireless transmission of the measured data is realized to an evaluation apparatus.
  19. The device according to claim 18, characterized in that the evaluation apparatus is disposed in particular externally outside the card.
  20. The device according to any of the claims 18 to 19, characterized in that the commands of the evaluation apparatus are transferable to the measuring electronics.
  21. The device according to any of the claims 1 to 20, characterized in that the further card flat bar (17) carries an energy source.
  22. The device according to claims 21, characterized in that the energy source is an accumulator.
  23. The device according to claim 21, characterized in that the further card flat bar 17 includes a contactless energy supply by means of induction.
  24. The device according to claim 21, characterized in that a generator, which is based on the cylinder, is solicited as the energy source.
  25. The device according to claim 1, characterized in that the measuring card flat bar (14d) and the transport card flat bar (17) are connected to each other by means of a cable for measured data (19).
  26. The device according to any of the claims 1 to 25, characterized in that, seen in the direction of the card flat bar movement, the transport card flat bar (17) follows the measuring card flat bar (14d).
  27. The device according to any of the claims 1 to 26, characterized in that no card flat bar or at least one card flat bar with clothing is disposed between the measuring card flat bar (14d) and the transport card flat bar (17).
  28. The device according to any of the claims 1 to 27, characterized in that the transport card flat bar (17) is able to occupy the space of three clothed card flat bars.
  29. The device according to any of the claims 1 to 28, characterized in that the housing of the transport card flat bar (17) is affixed on a card flat foot of a card flat bar.
  30. The device according to claim 29, characterized in that respectively one intermediate card flat, i.e. respectively one further card flat foot, is provided next to the card flat foot.
  31. The device according to any of the claims 29 to 30, characterized in that the at least one card flat foot is not clothed.
  32. The device according to any of the claims 1 to 31, characterized in that the card flat bars of the revolving card flat are hollow profiles, e.g. extruded aluminium extruded profiles.
  33. The device according to any of the claims 1 to 32, characterized in that a measuring system for the carding clearance includes the measuring card flat bar (14d), the transport card flat bar (17) and an external electrical evaluation apparatus (20), e.g. a laptop for display and evaluation.
  34. A spinning preparation machine, comprising a revolving flat (13) with circulating clothed card flat bars, which are located opposite of at least one part of a clothed cylinder (4), characterized by the claims 1 to 33.
  35. The spinning preparation machine according to claim 34, characterized in that the tip distance is measurable while the machine is producing and has fibre material throughput.
EP15001527.9A 2014-10-21 2015-05-21 Device for a spinning preparation machine, e.g. carding machine, for measuring distances between the garnished flat bars of a revolving flat unit and the garnished drum Active EP3012361B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014015480.7A DE102014015480A1 (en) 2014-10-21 2014-10-21 Device on a spinning preparation machine, z. B. card, for measuring distances between the garnished flat bars of a revolving flat and the garnished drum

Publications (2)

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EP3012361A1 EP3012361A1 (en) 2016-04-27
EP3012361B1 true EP3012361B1 (en) 2019-10-23

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EP15001527.9A Active EP3012361B1 (en) 2014-10-21 2015-05-21 Device for a spinning preparation machine, e.g. carding machine, for measuring distances between the garnished flat bars of a revolving flat unit and the garnished drum

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DE (1) DE102014015480A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017101865A1 (en) * 2017-01-31 2018-08-02 TRüTZSCHLER GMBH & CO. KG Card with a device for adjusting the carding gap
CH713459A1 (en) * 2017-02-15 2018-08-15 Rieter Ag Maschf Method for operating a card and card.
DE102018100752A1 (en) * 2018-01-15 2019-07-18 TRüTZSCHLER GMBH & CO. KG Carding element for a card or card and card or card
DE102019110662A1 (en) 2019-04-25 2020-10-29 Trützschler GmbH & Co Kommanditgesellschaft Device and method for setting at least one flexible bend concentrically to a rotatably mounted garnished drum of a card
CH720172A1 (en) * 2022-10-27 2024-05-15 Rieter Ag Maschf Device and method for adjusting a carding gap of a card
CH720209A1 (en) * 2022-11-08 2024-05-15 Rieter Ag Maschf Fiber guide element for a card

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Publication number Priority date Publication date Assignee Title
DE3913996A1 (en) 1989-02-16 1990-08-23 Rieter Ag Maschf TEASEL
DE4235610C2 (en) * 1992-10-22 2002-07-18 Truetzschler Gmbh & Co Kg Device on a spinning preparation machine, e.g. B. card, cleaner or the like, for measuring distances on sets
EP0627508A1 (en) * 1993-06-04 1994-12-07 Maschinenfabrik Rieter Ag Diagnosis apparatus
EP1158078B1 (en) 1996-04-12 2004-01-07 Maschinenfabrik Rieter Ag Sensor for the working distance of card clothings or for adjustment of this distance
EP1215312A1 (en) * 2000-12-18 2002-06-19 Maschinenfabrik Rieter Ag Online measurement techniques

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EP3012361A1 (en) 2016-04-27

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