EP2406416B1 - Carding machine - Google Patents

Carding machine Download PDF

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Publication number
EP2406416B1
EP2406416B1 EP10707798.4A EP10707798A EP2406416B1 EP 2406416 B1 EP2406416 B1 EP 2406416B1 EP 10707798 A EP10707798 A EP 10707798A EP 2406416 B1 EP2406416 B1 EP 2406416B1
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EP
European Patent Office
Prior art keywords
drum
working
working element
space
clothing
Prior art date
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Not-in-force
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EP10707798.4A
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German (de)
French (fr)
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EP2406416A1 (en
Inventor
Emil Medvetchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication of EP2406416A1 publication Critical patent/EP2406416A1/en
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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

Definitions

  • the invention relates to a card with a drum and, a working width of the drum spanning working element, which is mounted stationary on both sides outside the working width, wherein the drum is provided with a clothing which faces the working element and thereby a between the clothing of the Drum and the working element located space forms; and a working element and a setting method.
  • the width or the part of the axial length of the drum, which is covered with a set forms the working width of the card. Above this working width, a space is formed between the clothing of the drum and the respective working element. At the narrowest point of this space, a narrow gap is created.
  • the working elements span the entire working width of the drum and are attached at both ends to the drum shields arranged on both sides of the drum.
  • the existing between the set of the drum and the respective working element space or gap is not constant due to various influences during the operation of the card over the working width of the lid. Due to the changing operating conditions in the region of the gap resp. space, such as the temperature conditions, the mechanical stress on the clothing or the working element or the forces acting on the working elements or the drum forces such as centrifugal or gravitational force. Due to the influence of increasing during operation Temperature in the area of the space is an expansion of the drum and the working element.
  • the DE 20 2007 002 975 discloses a system in which between the support points of the working element actuating means are provided which allow adjustment of the space or gap between the drum and the working element over the course of the working width.
  • the working element is adjusted by means of the adjusting means at a distance to an overlying rigid element.
  • a disadvantage of this solution is that an additional element above the working element on the, the drum opposite side of the working element must be provided. This additional element must also be designed such that deforms when adjusting the actuating means, the working element and not the additional element.
  • the DE 10 2006 014 419 A1 discloses a system which attempts to counteract the operational deformation of the working elements by supplying energy, in particular heat. By thus changing the contour of the working element a constant gap during changing operating conditions should be achieved.
  • the system has the disadvantage that a contour change due to heat is sluggish.
  • the prediction of the expected change in shape when exposed to heat energy is difficult and highly dependent on the specific properties of each individual working element.
  • it results from a supply of heat energy the disadvantage that the heat balance of the carding and the working element itself is changed, which in turn can lead to an undesirable influence of other components.
  • the invention has for its object to provide a card of the type described above, which avoids the disadvantages mentioned and allows adapted to the operating conditions over the entire working width of the card room between drum set and work items.
  • the working elements are influenced by means of a new device to the effect that by generating at least one actuating force, a deformation of the working element can be achieved. It is possible that on the revolving lid an adjusting force introduced by an adjusting device acts, which allows adjusting the gap or space between the drum set and the working element in the course of the working width due to the production and adjustment of individual components or changing operating conditions.
  • the manufacturing and adjustment data of a component or the changing operating conditions can be specified on the basis of operating parameters.
  • Such operating parameters are, for example, the ambient conditions (temperature, pressure, atmospheric humidity), the properties and conditions of a component (temperature, production, wear), the properties of the material to be processed or the achievable or the current operating values (production volume, carding quality).
  • the adjusting device is integrated in the working element.
  • the working elements such as carding, knife or cover and guide elements of today's Wanderdeckelkarden are usually stored on the drum shields on both sides of the drum stationary.
  • the drum blades are located outside the working width corresponding to the width or axial length of the garnished portion of the drum.
  • the working elements span between these drum shields the drum over its entire working width.
  • Carding machines used today have a working width of more than 1000 mm, usually more than 1200 mm, preferably 1500 mm.
  • a working element In a first embodiment of a working element according to the invention, at least one magnet in the design of a permanent magnet is provided in the working element.
  • a magnetic field is built up, which is dependent on the strength of the magnet itself and its location. If the position of the magnet is changed, the position of the magnetic field and thus the influence on the magnetic body arranged within the magnetic field also change.
  • the structure of the magnetic field is oriented so that the drum gets into the area of influence of the field, whereby an attraction force is generated between the working element and the drum. This attraction is used as a force for the working element, which leads to a deformation of the working element.
  • the change in the position of the magnet can be done mechanically, for example by rotation of the magnet.
  • the magnitude of the change in position is determined by a control outside the working element due to the prevailing operating parameters.
  • At least one electromagnet or a combination of permanent magnet and electromagnet is installed in the working element.
  • the electromagnet By the electromagnet, a magnetic field is constructed or amplified by the permanent magnet field constructed or changed, which is dependent on the power of the electromagnet in its strength.
  • the working element is attracted to the drum more or less strongly.
  • the working element is deformed accordingly, which is reflected in a change in the geometry of the space between the drum set and the working element.
  • the installation location in the working element depends on the design of the working element.
  • a control of the electrical supply of the electromagnet allows to control or regulate the deformation of the working element. Such a control can be carried out depending on various operating parameters.
  • FIG. 1 shows a side view of a known Wanderdeckelkarde 1 in a schematic representation.
  • the fiber flakes 2 to be carded which may consist of natural fibers or synthetic fibers or mixtures thereof, are fed into the hopper (not shown) in the form of dissolved and cleaned flakes, taken over by a buffurizer or a licker-in 3 as a wadding template and a drum or tambour Pass a drum 4.
  • the flakes are dissolved on the drum 4, cleaned and parallelized.
  • This process takes place by the interaction of drum 4 and various stationary working elements 7, 8, 9, 10 and a traveling lid unit 5, which traveling lid 6 leads along part of the circumference of the drum 4.
  • Stationary work elements are, for example, carding elements 7, knives 8 and guide or cover elements 9, 10.
  • different sized or even more distributed on the circumference of the drum 4 working elements 7, 8, 9, 10 are used.
  • the fibers form the non-woven fabric located on the drum 4, which is then removed from a doffer roller 11 and formed in a conventional manner in a, consisting of different rolls, discharge section 12 to a card sliver 13.
  • This card sliver 13 is then deposited by a sliver tray (not shown) in a transport can in a cycloidal manner.
  • FIG. 2 shows a cross section of a known card in a schematic representation at the point II of FIG. 1 FIG. 2 These serve on the one hand for supporting the drum 4 and on the other hand for fixing the working elements 7, 8.
  • the working elements 7, 8 are fixed only on both sides of the drum 4 on the drum shields 14 and span the entire working width B of the drum 4.
  • the working width corresponds to the axial length of the garnished surface 16 of the drum 4th
  • FIGS. 3, 4 and 5 show a schematic representation of a stationary Kardierelement 7 with an inventive embodiment of a means 23 for generating a force F.
  • FIG. 3 a representation of the cross section at the point J of FIG. 4 and the FIG. 5 an enlarged excerpt from the FIG. 4 shows.
  • the carding element 7 shown is composed of the support body 20 and the clothing 15.
  • the support body 20 is held on the drum shields 14 fixed by means of fasteners 25. Between the drum shields and the drum 4 is mounted. Between the clothing 15 of the carding element 7 and the drum set 16, the space 22 and the gap 21 is shown, which extend over the working width B.
  • the electrical supply 24 is in FIG. 5 shown as an example, wherein as a starting point, a controller 30 is shown, with which the directed by the magnetic field against the drum force F can be controlled in dependence of various operating parameters.
  • FIG. 6 shows a schematic representation of a knife 44 with an inventive embodiment of a means for generating a force.
  • the knife 44 is held by a support body.
  • the supporting body is formed by a first carrier half 41 and a second Trag Eisenierfte 42, which are held together by the support body connection 43.
  • the two support body halves 42, 43 form a suction space 40 through which the contaminant deposited by the knife 44 can be sucked off.
  • the illustrated exemplary construction of a working element 8 with a knife 44 additionally includes a carding element with a clothing 15.
  • the gap 21 between the working element 8 and the clothing 16 of the drum is determined by deformation of the working element 8 due to the restoring forces F1, F2.
  • magnets 46, 47 are installed in the support body 41. These may be permanent magnets or electromagnets or a combination thereof. In further cavities 46 of the support structure, a necessary Cable guide for the electrical supply or mechanical drives for changing the position of the magnets 46, 47 are housed.
  • FIGS. 3 to 6 can be applied accordingly to all work elements 7, 8, 9, 10. Also, other constructions than those exemplified in the FIGS. 3 to 6 shown embodiments of the working elements 7, 8 possible.

Description

Die Erfindung betrifft eine Karde mit einer Trommel und einem, eine Arbeitsbreite der Trommel überspannendes Arbeitselement, welches auf beiden Seiten ausserhalb der Arbeitsbreite ortsfest gelagert ist, wobei die Trommel mit einer Garnitur versehen ist, welche dem Arbeitselement gegenübersteht und dabei ein sich zwischen der Garnitur der Trommel und dem Arbeitselement befindlicher Raum bildet; sowie ein Arbeitselement und ein Einstellverfahren.The invention relates to a card with a drum and, a working width of the drum spanning working element, which is mounted stationary on both sides outside the working width, wherein the drum is provided with a clothing which faces the working element and thereby a between the clothing of the Drum and the working element located space forms; and a working element and a setting method.

In einer Karde sind über den Umfang der Trommel verteilt verschiedenen Arbeitselemente ortsfest angeordnet. Diese Arbeitselemente dienen der Auflösung der Flocken zu Einzelfasem, der Ausscheidung von Verunreinigungen und Staub, der Eliminierung von sehr kurzen Fasern, der Auflösung von Nissen und der Parallelisierung der Fasern, sowie der Führung der Fasern während eines Trommelumlaufs. Beispielsweise werden als ortsfeste Arbeitselemente Messer oder Abdeck- und Führungselemente oder mit Garnituren versehene Deckel eingesetzt.In a carding machine, distributed over the circumference of the drum different work elements are stationary. These working elements serve to dissolve the flakes into individual fibers, remove impurities and dust, eliminate very short fibers, dissolve nits and parallelize the fibers, and guide the fibers during drum rotation. For example, knives or covering and guiding elements or lids provided with covers are used as stationary working elements.

Die Breite respektive derjenige Teil der axialen Länge der Trommel, welcher mit einer Garnitur belegt ist bildet die Arbeitsbreite der Karde. Ober diese Arbeitsbreite formt sich zwischen der Garnitur der Trommel und dem jeweiligen Arbeitselement ein Raum. An der engsten Stelle dieses Raums entsteht dabei ein schmaler Spalt. Die Arbeitselemente überspannen die gesamte Arbeitsbreite der Trommel und sind an ihren beiden Enden an den beidseits der Trommel angeordneten Trommelschilde befestigt.The width or the part of the axial length of the drum, which is covered with a set forms the working width of the card. Above this working width, a space is formed between the clothing of the drum and the respective working element. At the narrowest point of this space, a narrow gap is created. The working elements span the entire working width of the drum and are attached at both ends to the drum shields arranged on both sides of the drum.

Der zwischen der Garnitur der Trommel und dem jeweiligen Arbeitselement vorhandene Raum respektive Spalt ist bedingt durch verschiedene Einflüsse während des Betriebs der Karde über die Arbeitsbreite der Deckel nicht konstant. Aufgrund der sich ändernden Betriebsverhältnisse im Bereich des Spaltes resp. des Raumes, wie beispielsweise die Temperaturverhältnisse, die mechanische Beanspruchung der Garnitur oder des Arbeitselementes oder die auf die Arbeitselemente oder die Trommel wirkenden Kräfte wie Zentrifugal- oder Schwerkraft. Durch den Einfluss der während des Betriebs steigenden Temperatur im Bereich des Raumes erfolgt eine Ausdehnung der Trommel und auch des Arbeitselementes.The existing between the set of the drum and the respective working element space or gap is not constant due to various influences during the operation of the card over the working width of the lid. Due to the changing operating conditions in the region of the gap resp. space, such as the temperature conditions, the mechanical stress on the clothing or the working element or the forces acting on the working elements or the drum forces such as centrifugal or gravitational force. Due to the influence of increasing during operation Temperature in the area of the space is an expansion of the drum and the working element.

Diesen Einflüssen wurde in der Vergangenheit versucht durch verschiedene Massnahmen zu begegnen.These influences have been tried in the past by various measures to counter.

Die DE 20 2007 002 975 offenbart ein System, bei welchem zwischen den Lagerungspunkten des Arbeitselementes Stellmittel vorgesehen sind, die eine Einstellung des Raumes respektive Spaltes zwischen der Trommel und dem Arbeitselement über den Verlauf der Arbeitsbreite ermöglichen. Das Arbeitselement wird dabei mit Hilfe des Stellmittels im Abstand zu einem darüber liegenden starren Element verstellt. Ein Nachteil dieser Lösung ist, dass ein zusätzliches Element oberhalb des Arbeitselementes auf der, der Trommel gegenüberliegenden Seite des Arbeitselementes vorgesehen werden muss. Dieses zusätzliche Element muss zudem derart ausgeführt sein, dass sich bei Verstellung des Stellmittels das Arbeitselement und nicht das Zusatzelement verformt.The DE 20 2007 002 975 discloses a system in which between the support points of the working element actuating means are provided which allow adjustment of the space or gap between the drum and the working element over the course of the working width. The working element is adjusted by means of the adjusting means at a distance to an overlying rigid element. A disadvantage of this solution is that an additional element above the working element on the, the drum opposite side of the working element must be provided. This additional element must also be designed such that deforms when adjusting the actuating means, the working element and not the additional element.

Die DE 10 2006 014 419 A1 offenbart ein System, welches durch die Zufuhr von Energie, im speziellen Wärme, versucht eine Gegenbewegung zur betriebsbedingten Verformung der Arbeitselemente zu erreichen. Durch die damit mögliche Änderung der Kontur des Arbeitselements soll ein gleichbleibender Spalt während sich ändernder Betriebsverhältnisse erreicht werden. Das System hat den Nachteil, dass eine durch Wärme erreichte Konturänderung träge vor sich geht.. Zudem ist die Voraussage der zu erwartenden Veränderung der Form bei Einwirkung von Wärmeenergie schwierig und stark abhängig von den spezifischen Eigenschaften eines jeden einzelnen Arbeitselements. Ausserdem ergibt sich aus einer Zuführung von Wärmeenergie der Nachteil, das der Wärmehaushalt der Karde und des Arbeitselementes selbst verändert wird, was wiederum zu einer unerwünschten Beeinflussung von anderen Bauteilen führen kann.The DE 10 2006 014 419 A1 discloses a system which attempts to counteract the operational deformation of the working elements by supplying energy, in particular heat. By thus changing the contour of the working element a constant gap during changing operating conditions should be achieved. The system has the disadvantage that a contour change due to heat is sluggish. In addition, the prediction of the expected change in shape when exposed to heat energy is difficult and highly dependent on the specific properties of each individual working element. In addition, it results from a supply of heat energy the disadvantage that the heat balance of the carding and the working element itself is changed, which in turn can lead to an undesirable influence of other components.

Der Erfindung liegt die Aufgabe zugrunde, eine Karde der eingangs beschriebenen Art zu schaffen, welche die genannten Nachteile vermeidet und einen an die Betriebsverhältnisse über die gesamte Arbeitsbreite der Karde angepassten Raum zwischen Trommel-Garnitur und Arbeitselementen ermöglicht.The invention has for its object to provide a card of the type described above, which avoids the disadvantages mentioned and allows adapted to the operating conditions over the entire working width of the card room between drum set and work items.

Die Aufgabe wird gelöst durch die Merkmale im kennzeichnenden Teil der unabhängigen Ansprüche. Zur Lösung der Aufgabe wird vorgeschlagen eine Karde vorzusehen, bei welcher Mittel zur Erzeugung einer Stellkraft zur Einstellung des Raumes.zwischen der Trommel-Garnitur und einem, mit der Trommel-Garnitur zusammenarbeitenden, Arbeitselement in seinem Verlauf Ober die Arbeitsbreite vorgesehen sind, wobei die Mittel innerhalb des Arbeitselements angeordnet sind und die Stellkraft eine magnetische Kraft ist.The object is solved by the features in the characterizing part of the independent claims. To solve the problem, it is proposed to provide a card in which means for generating a force to adjust the Raum.zwischen between the drum set and one, cooperating with the drum set, working element in its course are provided above the working width, wherein the means are arranged within the working element and the force is a magnetic force.

Die Arbeitselemente werden mit Hilfe einer neuen Vorrichtung dahingehend beeinflusst, dass durch die Erzeugung mindestens einer Stellkraft eine Verformung des Arbeitselementes erreicht werden kann. Dabei wird es möglich, dass auf den Wanderdeckel eine durch eine Einstellvorrichtung eingebrachte Stellkraft wirkt, die ein Einstellen des Spaltes respektive Raums zwischen der Trommel-Garnitur und dem Arbeitselement im Verlauf der Arbeitsbreite aufgrund der Herstellung und Einstellung einzelner Bauteile oder sich ändernder Betriebsverhältnisse ermöglicht. Die Herstell- und Einstelldaten eines Bauteils oder die sich ändernden Betriebsverhältnisse können anhand von Betriebsparametern angegeben werden. Solche Betriebsparameter sind beispielsweise die Umgebungsbedingungen (Temperatur, Druck, Luftfeuchtigkeit), die Eigenschaften und Zustände eines Bauteils (Temperatur, Herstellung, Verschleiss), die Eigenschaften des zu verarbeitenden Materials oder auch die zu erreichenden oder die aktuellen Betriebswerte (Produktionsmenge, Kardierqualität). Die Einstellvorrichtung ist dabei in das Arbeitselement integriert. Die Arbeitselemente wie Kardierelemente, Messer oder Abdeck- und Führungselemente heutiger Wanderdeckelkarden werden in der Regel an den Trommelschilden beidseitig der Trommel ortsfest gelagert. Die Trommelschilde sind ausserhalb der Arbeitsbreite, welche der Breite oder axialen Länge des garnierten Bereichs der Trommel entspricht angeordnet. Die Arbeitselemente überspannen zwischen diesen Trommelschilden die Trommel auf ihrer gesamten Arbeitsbreite. Heute zur Anwendung kommende Karden weisen eine Arbeitsbreite von über 1000 mm, meist über 1200 mm, vorzugsweise 1500 mm auf.The working elements are influenced by means of a new device to the effect that by generating at least one actuating force, a deformation of the working element can be achieved. It is possible that on the revolving lid an adjusting force introduced by an adjusting device acts, which allows adjusting the gap or space between the drum set and the working element in the course of the working width due to the production and adjustment of individual components or changing operating conditions. The manufacturing and adjustment data of a component or the changing operating conditions can be specified on the basis of operating parameters. Such operating parameters are, for example, the ambient conditions (temperature, pressure, atmospheric humidity), the properties and conditions of a component (temperature, production, wear), the properties of the material to be processed or the achievable or the current operating values (production volume, carding quality). The adjusting device is integrated in the working element. The working elements such as carding, knife or cover and guide elements of today's Wanderdeckelkarden are usually stored on the drum shields on both sides of the drum stationary. The drum blades are located outside the working width corresponding to the width or axial length of the garnished portion of the drum. The working elements span between these drum shields the drum over its entire working width. Carding machines used today have a working width of more than 1000 mm, usually more than 1200 mm, preferably 1500 mm.

In einer ersten erfindungsgemässen Ausführung eines Arbeitselementes wird im Arbeitselement mindestens ein Magnet in der Bauart eines Permanentmagneten vorgesehen. Durch den Permanentmagneten wird ein Magnetfeld aufgebaut, welches in seiner Stärke vom Magneten selbst und von seiner Lage abhängig ist. Wird die Lage des Magneten verändert, ändert sich auch die Lage des Magnetfeldes und damit der Einfluss auf die innerhalb des Magnetfeldes angeordneten magnetischen Körper. Der Aufbau des Magnetfeldes wird derart ausgerichtet, dass die Trommel in den Einflussbereich des Feldes gerät, wodurch zwischen dem Arbeitselement und der Trommel eine Anziehungskraft erzeugt wird. Diese Anziehungskraft wird als Stellkraft für das Arbeitselement genutzt, die zu einer Verformung des Arbeitselementes führt. Durch Veränderung der Lage des Magneten wird die Stellkraft verändert. Die Veränderung der Lage des Magneten kann mechanisch erfolgen, beispielsweise durch Drehung des Magneten. Die Grösse der Lageveränderung wird von einer Steuerung ausserhalb des Arbeitselementes aufgrund der herrschenden Betriebsparameter bestimmt.In a first embodiment of a working element according to the invention, at least one magnet in the design of a permanent magnet is provided in the working element. Through the permanent magnet, a magnetic field is built up, which is dependent on the strength of the magnet itself and its location. If the position of the magnet is changed, the position of the magnetic field and thus the influence on the magnetic body arranged within the magnetic field also change. The structure of the magnetic field is oriented so that the drum gets into the area of influence of the field, whereby an attraction force is generated between the working element and the drum. This attraction is used as a force for the working element, which leads to a deformation of the working element. By changing the position of the magnet, the force is changed. The change in the position of the magnet can be done mechanically, for example by rotation of the magnet. The magnitude of the change in position is determined by a control outside the working element due to the prevailing operating parameters.

In einer weiteren Ausführung der Vorrichtung wird im Arbeitselement mindestens ein Elektromagnet oder eine Kombination von Permanent- und Elektromagnet eingebaut. Durch den Elektromagneten wird ein magnetisches Feld aufgebaut respektive ein durch den Permanentmagneten aufgebautes Feld verstärkt oder verändert, welches in seiner Stärke abhängig ist von der Stromversorgung des Elektromagneten. In Abhängigkeit vom Abstand der Magneten zur Trommel sowie der Umgebung der Magneten wird das Arbeitselement zur Trommel mehr oder weniger stark hingezogen. Dadurch wird das Arbeitselement entsprechend verformt, was sich in einer Veränderung der Geometrie des Raumes zwischen der Trommel-Garnitur und dem Arbeitselement niederschlägt. Der Einbauort im Arbeitselement ist abhängig von der Bauart des Arbeitselementes. Eine Steuerung der elektrischen Versorgung des Elektromagneten ermöglicht die Verformung des Arbeitselementes zu steuern oder zu regeln. Eine solche Regelung kann abhängig von verschiedenen Betriebsparametern ausgeführt werden.In a further embodiment of the device, at least one electromagnet or a combination of permanent magnet and electromagnet is installed in the working element. By the electromagnet, a magnetic field is constructed or amplified by the permanent magnet field constructed or changed, which is dependent on the power of the electromagnet in its strength. Depending on the distance of the magnets to the drum and the environment of the magnets, the working element is attracted to the drum more or less strongly. As a result, the working element is deformed accordingly, which is reflected in a change in the geometry of the space between the drum set and the working element. The installation location in the working element depends on the design of the working element. A control of the electrical supply of the electromagnet allows to control or regulate the deformation of the working element. Such a control can be carried out depending on various operating parameters.

Im Folgenden wird die Erfindung anhand von beispielhaften Ausführungsformen erklärt und durch Zeichnungen näher erläutert.

Fig. 1
Schematische Darstellung einer Seitenansicht einer Karde nach dem Stand der Technik
Fig. 2
Schematische Darstellung einer Karde im Querschnitt I-I der Figur 1
Fig. 3, 4, 5
Schematische Darstellung eines ortsfesten Kardierelements mit einer erfindungsgemässen Ausführung eines Mittels zur Erzeugung einer Stellkraft
Fig. 6
Schematische Darstellung eines Messers mit einer erfindungsgemässen Ausführung eines Mittels zur Erzeugung einer Stellkraft
In the following the invention will be explained with reference to exemplary embodiments and explained in detail by drawings.
Fig. 1
Schematic representation of a side view of a card according to the prior art
Fig. 2
Schematic representation of a card in cross section II of FIG. 1
Fig. 3, 4, 5
Schematic representation of a stationary Kardierelements with an inventive embodiment of a means for generating a force
Fig. 6
Schematic representation of a knife with an inventive embodiment of a means for generating a force

Figur 1 zeigt in einer Seitenansicht eine an sich bekannte Wanderdeckelkarde 1 in schematischer Darstellung. Die zu kardierenden Faserflocken 2, die aus Naturfasern oder synthetischen Fasern oder Mischungen derselben bestehen können, werden in Form von aufgelösten und gereinigten Flocken in den Füllschacht (nicht gezeigt) eingespeist, von einem Briseur bzw. einem Vorreisser 3 als Wattenvorlage übernommen und einem Tambour bzw. einer Trommel 4 übergeben. Die Flocken werden auf der Trommel 4 aufgelöst, gereinigt und parallelisiert. Dieser Vorgang geschieht durch das Zusammenwirken von Trommel 4 und verschiedenen ortsfesten Arbeitselementen 7, 8,9, 10 und einem Wanderdeckelaggregat 5, welches Wanderdeckel 6 einem Teil des Umfangs der Trommel 4 entlang führt. Ortsfeste Arbeitselemente sind beispielsweise Kardierelemente 7, Messer 8 und Führungs- oder Abdeckelemente 9, 10. Je nach Einsatzgebiet einer Karde 1 kommen verschieden grosse oder auch mehrere am Umfang der Trommel 4 verteilte Arbeitselemente 7, 8, 9, 10 zum Einsatz. FIG. 1 shows a side view of a known Wanderdeckelkarde 1 in a schematic representation. The fiber flakes 2 to be carded, which may consist of natural fibers or synthetic fibers or mixtures thereof, are fed into the hopper (not shown) in the form of dissolved and cleaned flakes, taken over by a buffurizer or a licker-in 3 as a wadding template and a drum or tambour Pass a drum 4. The flakes are dissolved on the drum 4, cleaned and parallelized. This process takes place by the interaction of drum 4 and various stationary working elements 7, 8, 9, 10 and a traveling lid unit 5, which traveling lid 6 leads along part of the circumference of the drum 4. Stationary work elements are, for example, carding elements 7, knives 8 and guide or cover elements 9, 10. Depending on the field of use of a carding machine 1 different sized or even more distributed on the circumference of the drum 4 working elements 7, 8, 9, 10 are used.

Die Fasern bilden das sich auf der Trommel 4 befindliche Faservlies, welches dann von einer Abnehmerwalze 11 abgenommen und in an sich bekannter Weise in einer, aus verschiedenen Walzen bestehenden, Auslaufpartie 12 zu einem Kardenband 13 geformt wird. Dieses Kardenband 13 wird dann von einer Bandablage (nicht gezeigt) in einer Transportkanne in zykloidischer Art abgelegt.The fibers form the non-woven fabric located on the drum 4, which is then removed from a doffer roller 11 and formed in a conventional manner in a, consisting of different rolls, discharge section 12 to a card sliver 13. This card sliver 13 is then deposited by a sliver tray (not shown) in a transport can in a cycloidal manner.

Figur 2 zeigt einen Querschnitt einer an sich bekannten Karde in schematischer Darstellung an der Stelle I-I der Figur 1. Figur 2 zeigt die beidseitig seitlich an der Trommel 4 angeordneten Trommelschilde 14. Diese dienen einerseits zur Lagerung der Trommel 4 und andrerseits zur Befestigung der Arbeitselemente 7, 8. Die Arbeitselemente 7, 8 sind einzig an beiden Seiten der Trommel 4 auf den Trommelschilden 14 befestigt und überspannen die gesamte Arbeitsbreite B der Trommel 4. Die Arbeitsbreite entspricht der axialen Länge der garnierten Oberfläche 16 der Trommel 4. FIG. 2 shows a cross section of a known card in a schematic representation at the point II of FIG. 1 FIG. 2 These serve on the one hand for supporting the drum 4 and on the other hand for fixing the working elements 7, 8. The working elements 7, 8 are fixed only on both sides of the drum 4 on the drum shields 14 and span the entire working width B of the drum 4. The working width corresponds to the axial length of the garnished surface 16 of the drum 4th

Die Figuren 3, 4 und 5 zeigen in schematische Darstellung ein ortsfestes Kardierelement 7 mit einer erfindungsgemässen Ausführung eines Mittels 23 zur Erzeugung einer Stellkraft F. Wobei Figur 3 eine Darstellung des Querschnitts an der Stelle J der Figur 4 und die Figur 5 einen vergrösserten Ausschnitt aus der Figur 4 zeigt. Das gezeigte Kardierelement 7 setzt sich zusammen aus dem Tragkörper 20 und der Garnitur 15. Der Tragkörper 20 ist an den Trommelschilden 14 ortsfest mit Hilfe von Befestigungen 25 gehalten. Zwischen den Trommelschilden ist auch die Trommel 4 gelagert. Zwischen der Garnitur 15 des Kardierelements 7 und der Trommel-Garnitur 16 ist der Raum 22 sowie der Spalt 21 dargestellt, welche sich über die Arbeitsbreite B erstrecken.The FIGS. 3, 4 and 5 show a schematic representation of a stationary Kardierelement 7 with an inventive embodiment of a means 23 for generating a force F. Whereby FIG. 3 a representation of the cross section at the point J of FIG. 4 and the FIG. 5 an enlarged excerpt from the FIG. 4 shows. The carding element 7 shown is composed of the support body 20 and the clothing 15. The support body 20 is held on the drum shields 14 fixed by means of fasteners 25. Between the drum shields and the drum 4 is mounted. Between the clothing 15 of the carding element 7 and the drum set 16, the space 22 and the gap 21 is shown, which extend over the working width B.

Im Tragkörper 20 des Kardierelements 7 sind drei Elektromagneten 23 eingebaut. Die elektrische Versorgung 24 ist in Figur 5 beispielhaft dargestellt, wobei als Ausgangspunkt eine Steuerung 30 gezeigt ist, mit welcher die durch das magnetische Feld gegen die Trommel gerichtete Kraft F in Abhängigkeit verschiedenster Betriebsparameter gesteuert werden kann.In the supporting body 20 of the carding element 7 three electromagnets 23 are installed. The electrical supply 24 is in FIG. 5 shown as an example, wherein as a starting point, a controller 30 is shown, with which the directed by the magnetic field against the drum force F can be controlled in dependence of various operating parameters.

Figur 6 zeigt eine schematische Darstellung eines Messers 44 mit einer erfindungsgemässen Ausführung eines Mittels zur Erzeugung einer Stellkraft. Das Messer 44 ist dabei gehalten von einem Tragkörper. Der Tragkörper wird gebildet durch eine erste Tragkörperhälfte 41 und einer zweiten Tragkörperhätfte 42, die durch die Tragkörperverbindung 43 zusammen gehalten werden. In zusammengesetztem Zustand bilden die beiden Tragkörperhälften 42, 43 einen Absaugraum 40 durch welchen die vom Messer 44 abgeschiedenen Verunreinigung abgesaugt werden können. Die gezeigte beispielhafte Konstruktion eines Arbeitselementes 8 mit einem Messer 44 enthält zusätzlich ein Kardierelement mit einer Garnitur 15. Der Spalt 21 zwischen dem Arbeitselement 8 und der Garnitur 16 der Trommel wird durch Verformung des Arbeitselementes 8 aufgrund der Stellkräfte F1, F2 bestimmt. Im Tragkörper 41, 42 sind Magneten 46, 47 eingebaut. Dabei kann es sich um Permanentmagneten oder Elektromagneten oder eine Kombination davon handeln. In weiteren Hohlräumen 46 der Tragkörperstruktur kann eine notwendige Kabelführung für die elektrische Versorgung oder mechanische Antriebe für eine Veränderung der Lage der Magneten 46, 47 untergebracht werden. FIG. 6 shows a schematic representation of a knife 44 with an inventive embodiment of a means for generating a force. The knife 44 is held by a support body. The supporting body is formed by a first carrier half 41 and a second Tragkörperhätfte 42, which are held together by the support body connection 43. In the assembled state, the two support body halves 42, 43 form a suction space 40 through which the contaminant deposited by the knife 44 can be sucked off. The illustrated exemplary construction of a working element 8 with a knife 44 additionally includes a carding element with a clothing 15. The gap 21 between the working element 8 and the clothing 16 of the drum is determined by deformation of the working element 8 due to the restoring forces F1, F2. In the support body 41, 42 magnets 46, 47 are installed. These may be permanent magnets or electromagnets or a combination thereof. In further cavities 46 of the support structure, a necessary Cable guide for the electrical supply or mechanical drives for changing the position of the magnets 46, 47 are housed.

Die Angaben zu den Ausführungen nach Figur 3 bis 6 können entsprechend auf alle Arbeitselemente 7, 8, 9, 10 angewendet werden. Auch sind andere Konstruktionen als die beispielhaft in den Figuren 3 bis 6 gezeigten Ausführungen der Arbeitselemente 7, 8 möglich.The details of the statements FIGS. 3 to 6 can be applied accordingly to all work elements 7, 8, 9, 10. Also, other constructions than those exemplified in the FIGS. 3 to 6 shown embodiments of the working elements 7, 8 possible.

LegendeLegend

11
Kardeteasel
22
Faserflockenfiber flocks
33
Vorreisserlicker
44
Trommeldrum
55
WanderdeckelaggregatRevolving flats
66
Wanderdeckelrevolving flat
77
Kardierelementcarding
88th
Messerknife
99
Abdeckelementcover
1010
Abdeckelementcover
1111
Abnehmerwalzedoffer
1212
Auslaufpartieoutlet section
1313
KardenbandKardenband
1414
Trommelschilddrum shield
1515
Garniturset
1616
Trommel-GarniturDrum set
2020
Tragkörpersupporting body
2121
Spalt zwischen Arbeitselement und Trommel-GarniturGap between working element and drum set
2222
Raum zwischen Arbeitselement und Trommel-GarniturSpace between working element and drum set
2323
Magnetmagnet
2424
Elektrische VersorgungElectrical supply
2525
Befestigung des TragkörpersAttachment of the supporting body
3030
Steuerungcontrol
4040
Absaugraumsuction chamber
41, 4241, 42
TragkörperhälfteSupport body half
4242
TragkörperverbindungSupporting body connection
4343
Messerknife
4444
Hohlraumcavity
46, 4746, 47
Magnetmagnet
BB
Arbeitsbreiteworking width
F, F1, F2F, F1, F2
Stellkraftforce

Claims (8)

  1. A carding machine (1) comprising a drum (4) and a working element (7, 8, 9) which spans a working width (B) of the drum (4) and is mounted in a stationary manner on both sides outside of the working width (B), wherein the drum (4) is provided with a clothing (16) arranged opposite of the working element (7, 8, 9) thereby forming a space (22) between the clothing (16) of the drum (4) and the working element (7, 8, 9), characterized in that means (23, 46, 47) for generating an adjusting force (F) for adjusting the space (22) between the drum clothing (16) and a working element (7, 8, 9) cooperating with the drum clothing (16) are provided along the extension of the space across the working width (B), wherein the means (23, 46, 47) are arranged within the working element (7, 8, 9) and the adjusting force (F) is a magnetic force.
  2. The carding machine (1) according to claim 1, characterized in that the means (23, 46, 47) for adjusting the space (22) is at least one permanent magnet or electromagnet or a combination thereof.
  3. The carding machine (1) according to claim 1 or claim 2, characterized in that the means (23, 46, 47) for adjusting the space (22) are controllable in such a manner that the adjusting force (F) is variable.
  4. The carding machine (1) according to claim 3, characterized in that the means (23, 46, 47) can be displaced with respect to their position.
  5. The carding machine (1) according to any one of the preceding claims, characterized in that the magnitude of the adjusting force (F) can be adjusted by changing the electrical supply to an electromagnet.
  6. A method for carding of fiber flocks with a carding machine (1) comprising a drum (4) and a working element (7, 8, 9) which spans a working width (B) of the drum (4) and is mounted in a stationary manner on both sides outside of the working width (B), wherein the drum (4) is provided with a clothing (16) arranged opposite of the working element (7, 8, 9) thereby forming a space (22) between the clothing (16) of the drum (4) and the working element (7, 8, 9), characterized in that the space (22) is adjusted along its extension across the working width (B) of the drum (4), wherein the adjustment is carried out with a magnetic force (F).
  7. The method according to claim 6, characterized in that the adjustment of the space (22) is achieved by deforming the working element (7, 8, 9).
  8. Use of a working element (7, 8, 9) in a carding machine (1) according to any one of the claims 1 to 5, characterized in that a means (23, 46, 47) for generating an adjusting force (F) is provided and said means (23, 46, 47) is a permanent magnet or an electromagnet or a combination thereof.
EP10707798.4A 2009-03-10 2010-03-03 Carding machine Not-in-force EP2406416B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3562009A CH700551A2 (en) 2009-03-10 2009-03-10 Karde.
PCT/CH2010/000052 WO2010102417A1 (en) 2009-03-10 2010-03-03 Carding machine

Publications (2)

Publication Number Publication Date
EP2406416A1 EP2406416A1 (en) 2012-01-18
EP2406416B1 true EP2406416B1 (en) 2014-11-19

Family

ID=42251682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10707798.4A Not-in-force EP2406416B1 (en) 2009-03-10 2010-03-03 Carding machine

Country Status (4)

Country Link
EP (1) EP2406416B1 (en)
CN (1) CN102348840B (en)
CH (1) CH700551A2 (en)
WO (1) WO2010102417A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3354774A1 (en) 2017-01-31 2018-08-01 Trützschler GmbH & Co. KG Carding machine with a device for adjustment of the carding gap

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712271A1 (en) * 2016-03-17 2017-09-29 Rieter Ag Maschf Work item.
DE102016106780B4 (en) * 2016-04-13 2019-02-07 Trützschler GmbH & Co Kommanditgesellschaft Device on a card or card

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10037710A1 (en) * 2000-08-02 2002-02-14 Rieter Ag Maschf Device for adjusting the working gap between the tips of cover sets and the tips of the drum set of a card
DE10106315A1 (en) * 2001-02-12 2002-08-29 Rieter Ag Maschf Method for operating a card and a card
DE102005050904B4 (en) * 2005-10-21 2019-12-12 Trützschler GmbH & Co Kommanditgesellschaft Device on a spinning preparation machine, in particular carding, carding or the like, for monitoring
DE102006002812B4 (en) * 2006-01-19 2021-10-07 Trützschler GmbH & Co Kommanditgesellschaft Device on a spinning preparation machine, in particular card, card or the like, for monitoring and / or setting distances on components
DE102006014419B4 (en) 2006-03-27 2021-04-15 Trützschler GmbH & Co Kommanditgesellschaft Device on a spinning preparation machine, in particular card, card or the like, for setting the carding distance
DE102006045047A1 (en) * 2006-09-21 2008-03-27 TRüTZSCHLER GMBH & CO. KG Device on a spinning preparation machine, in particular carding machine, carding o. The like., In which a garnished, fast-rotating roller is at least opposite a garnished component at a distance
DE202007002975U1 (en) 2007-02-27 2007-06-14 ERKO Trützschler GmbH Carding device for opening textile fibers, has card and trough mounted at two or more points to provide adjustable, even spacing between card and trough

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3354774A1 (en) 2017-01-31 2018-08-01 Trützschler GmbH & Co. KG Carding machine with a device for adjustment of the carding gap
DE102017101865A1 (en) 2017-01-31 2018-08-02 TRüTZSCHLER GMBH & CO. KG Card with a device for adjusting the carding gap

Also Published As

Publication number Publication date
CH700551A2 (en) 2010-09-15
CN102348840B (en) 2014-10-08
EP2406416A1 (en) 2012-01-18
CN102348840A (en) 2012-02-08
WO2010102417A1 (en) 2010-09-16

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