EP2694222A1 - Device and method for coating a cylindrical substrate - Google Patents

Device and method for coating a cylindrical substrate

Info

Publication number
EP2694222A1
EP2694222A1 EP13712523.3A EP13712523A EP2694222A1 EP 2694222 A1 EP2694222 A1 EP 2694222A1 EP 13712523 A EP13712523 A EP 13712523A EP 2694222 A1 EP2694222 A1 EP 2694222A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
elements
substrate
channel
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13712523.3A
Other languages
German (de)
French (fr)
Other versions
EP2694222B1 (en
Inventor
Olaf Brauckmann
Daniel Spielmann
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.)
MEHLER ENGINEERED PRODUCTS GmbH
Original Assignee
MEP OLBO GmbH
Mep-Olbo GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MEP OLBO GmbH, Mep-Olbo GmbH filed Critical MEP OLBO GmbH
Priority to PL13712523T priority Critical patent/PL2694222T3/en
Publication of EP2694222A1 publication Critical patent/EP2694222A1/en
Application granted granted Critical
Publication of EP2694222B1 publication Critical patent/EP2694222B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • B05B13/0214—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe the liquid or other fluent material being applied to the whole periphery of the cross section of the elongated body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target

Definitions

  • the invention relates to a device and a method for coating a substantially cylindrical substrate with a fluid, wherein the device comprises at least one nozzle with a nozzle channel, through which the substrate for coating is automatically passed.
  • a thread As a substrate, it is often necessary to coat a thread as a substrate with at least one aqueous and / or solvent-containing fluid.
  • a predominantly used method for coating the threads is the dip process.
  • the dip process is flexible, i. H. regardless of one
  • a thickness of the applied coating on the substrate is dependent on the speed. As the speed increases, wet film thickness increases on the substrate. In processes in which too high a thickness of the coating is applied to the substrate by means of the dipping process, is a
  • a coating of flat substrates predosed processes are known in which a layer thickness to be applied is not dependent on the speed, such processes also being used in the coating of cylindrical substrates be used.
  • a cylindrical substrate is coated without contact by means of at least one annular slot nozzle, in that the substrate is surrounded by the fluid perpendicular to the conveying direction by means of such a nozzle element from all sides.
  • Characteristic here is that the substrate has a comparatively small distance, of z. B. has a threefold of a desired thickness of the coating, and a forming on the substrate by the fluid meniscus to a nozzle member. In this case, the thickness of the coating is supplied by the one the nozzle member
  • Volume flow determines which within to be determined
  • Coating window is completely applied to the substrate. In this coating process, it is not necessary to remove excess fluid from the substrate after coating. The one for the procedure
  • the object is achieved fiction, according to the device by the in claim 1 and in terms of the method by the features specified in claim 9.
  • Longitudinal axis of the nozzle channel are movable such that a cross section of the nozzle channel is variably adjustable in dependence on a cross section of the substrate.
  • a variable adjustability of the cross-section of the nozzle channel is understood as meaning a change in the cross-section of the nozzle channel between two or more cross-sectional values.
  • the nozzle elements are arranged in two or more fixed predetermined positions to each other.
  • one or more screw elements are provided.
  • the positioning of the nozzle elements to each other can be made stepless.
  • the cross-section of the nozzle is variably adjustable as a function of the cross-section of the substrate to be coated by the bipartite nozzle
  • the device according fiction in a particularly advantageous manner for coating cylindrical substrates, such as threads, can be used with different cross-sections, without retooling the device need to and for this example have to replace the nozzle.
  • the nozzle elements can be arranged in different positions relative to one another and inner walls of the nozzle elements limit the nozzle channel at the edge in a closed position of the nozzle, whereby at least one first nozzle element automatically relative to a second nozzle element can be positioned so that the nozzle elements are spaced from each other on at least one longitudinal side of the nozzle channel.
  • Cross-section of a passage formed by means of the nozzle elements, in which the substrate can be arranged, can be enlarged in a particularly advantageous manner.
  • a substrate which is formed due to the increase in its run length of several knotted together threads, to guide through the nozzle and, if necessary, to coat.
  • a thread with a splice or splices due to the multi-part design of the nozzle can be passed therethrough, without a speed at which the substrate is guided through the nozzle can be reduced.
  • the bushing may have a cross-section to a thickness, i. H. a cross-section of the respective substrate to be coated are adapted, wherein by the automatic spacing of the nozzle elements to each other in a profitable manner changeover times and thus conversion costs in terms of
  • the device is designed such that it is possible within a period of, for example, one minute 400 meters substrate, in particular 400 meters continuously to coat thread, thus producing a thread, especially for technical applications.
  • the second nozzle element is immovably fixed to a carrier element, wherein the first nozzle element is automatically positioned relative to the second nozzle element by means of a number of guide elements. Since the second nozzle element is fixed to the carrier element and only the first nozzle element is movable by means of the number of guide elements, corresponding guide elements are required exclusively for carrying out the movement of the first nozzle element, whereby the device is designed to be cheaper in comparison.
  • the first one is
  • Nozzle element by means of a hydraulic, pneumatic and / or electric motor cylinder-piston unit relative to the second nozzle element movable.
  • At least one detection unit is provided, by means of which a change in the shape of the cylindrical substrate before passing the nozzle channel is detectable and the first nozzle element is automatically positioned at a detected change in the shape of the second nozzle member spaced apart.
  • the coating of the substrate preferably takes place when the nozzle is completely closed, with a thickness of the coating applied to the substrate being dependent on parameters of the fluid and a volume flow adapted to a substrate speed.
  • at least one cleaning agent can be supplied to the nozzle elements when the spacing of the nozzle elements is increased due to the change in shape, so that the nozzle elements can be cleaned during a passage of a region of the substrate that is not to be coated.
  • water and / or another fluid is used as the cleaning agent.
  • the cleaning agent can be fed to the nozzle elements via the same line through which the fluid flows to the coating, thereby no conversion of the device for cleaning the nozzle is required, thereby reducing time and cost can be reduced profit. Moreover, by using the same line for coating and cleaning, the number of components of the device is not increased.
  • the lifting device is preferably arranged on the first nozzle element, so that the substrate increases with increasing the spacing between the
  • Nozzle elements can be raised simultaneously by means of the lifting device.
  • the invention relates to a method for coating a cylindrical substrate with a fluid, wherein the device comprises at least one nozzle with a nozzle channel, through which the substrate for
  • Coating is automatically passed.
  • Invention according to the nozzle is made at least two nozzle elements formed, the opposite
  • Inner walls each form a portion of the nozzle channel, wherein the nozzle elements are at least perpendicular to a longitudinal axis of the nozzle channel movable so that a cross section of the nozzle channel is set variably in dependence of a cross section of the substrate.
  • the nozzle elements can be arranged in different positions relative to one another, inner walls of the nozzle elements delimiting the nozzle channel at the edge in a closed position of the nozzle.
  • Nozzle element positioned such that the nozzle elements are spaced apart on at least one longitudinal side of the nozzle channel to each other.
  • Figure 1 shows schematically a front view of an inventive
  • Figure 1 shows a front view of a device 1 according to the invention for coating a non-illustrated substantially cylindrical substrate with a fluid.
  • the thread as the substrate may be in particular to act a thread for technical application, the thread
  • Component of a product may be, which requires a strength member and is provided for example for a vehicle.
  • the device 1 has a frame 2 as a mounting frame, which allows the device 1, for example in a
  • the frame 2 comprises a support element 2.1, which is plate-shaped and parallel to a bottom on which the device 1 is arranged.
  • the device 1 For coating the substrate, the device 1 has a nozzle 3, which is formed from a first nozzle element 3.1 and a second nozzle element 3.2.
  • the nozzle elements 3.1, 3.2 are shown spaced from each other, wherein the nozzle 3 may be a so-called Ringschlitzdüse.
  • a thickness of a coating applied to the cylindrical substrate is determined by means of a volume flow supplied to the nozzle 3 with regard to a fluid which is applied to the substrate within a coating window.
  • the first nozzle element 3.1 is arranged on a connecting element 4 which is connected to one end 5.1.1 of a piston 5.1 of a two-way actuating cylinder 5 as a cylinder-piston unit.
  • the two-way actuating cylinder 5 is fixed to the frame 2 of the device 1.
  • the second nozzle element 3.2 is immovably fixed to the support element 2.1, wherein each side of the second nozzle element 3.2, a rod-shaped guide member 6 is arranged, which are arranged opposite each other in the X direction.
  • Nozzle element 3.2 slidably disposed.
  • the nozzle elements 3.1, 3.2 are rinsed with a cleaning agent, for example water and / or another fluid, d. H. flooded and then dried by means of compressed air, wherein the nozzle elements 3.1, 3.2, the cleaning agent and the compressed air are supplied via the same line as the fluid for coating the substrate.
  • a cleaning agent for example water and / or another fluid, d. H. flooded and then dried by means of compressed air, wherein the nozzle elements 3.1, 3.2, the cleaning agent and the compressed air are supplied via the same line as the fluid for coating the substrate.
  • the one line is used both for supplying the fluid for coating and for supplying the cleaning agent and preferably also for supplying the compressed air, a number of components of the device 1 is not increased.
  • the cleaning operation of the nozzle 3 is by means of the control unit to the
  • the controlled spacing of the nozzle elements 3.1, 3.2 to each other can alternatively or additionally also be carried out when of the
  • Detection unit is a change in the shape of the substrate in the form of a splice.
  • a splice is to be understood as a break-resistant, permanent and essentially non-detachable interweaving of threads, as a result of which a cross-section of the substrate is likewise enlarged.
  • FIG. 2 is a partial sectional view of a side view of FIG.
  • Device 1 for coating a cylindrical substrate shown, wherein the nozzle elements 3.1, 3.2, as shown in Figure 1, are shown spaced from each other.
  • the device 1 according to the invention it is possible to provide substantially cylindrical substrates with different cross-sections with a coating, for example to produce technical threads.
  • the device 1 preferably operates independently of the speed, so that it is possible to let a cylindrical substrate, in particular a thread, pass the device 1 in a minute at a speed of up to 400 meters and to coat it in a contactless manner.

Landscapes

  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a device (1) and a method for coating an essentially cylindrical substrate with a fluid, comprising at least one nozzle (3) with a nozzle channel (3) through which the substrate can be automatically guided in order to be coated. According to the invention, the nozzle (3) is formed from at least two nozzle elements (3.1, 3.2), the opposite-lying internal walls of which each form a partial section of the nozzle channel (K), the nozzle elements (3.1, 3.2) being displaceable at least perpendicularly to a longitudinal axis (L) of the nozzle channel (K) such that a cross-section of the nozzle channel (K) can be variably adjusted according to a cross-section of the substrate.

Description

Vorrichtung und Verfahren zur Beschichtung eines zylindrischen Substrates  Apparatus and method for coating a cylindrical substrate
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Beschichtung eines im Wesentlichen zylindrischen Substrates mit einem Fluid, wobei die Vorrichtung zumindest eine Düse mit einem Düsenkanal, durch welchen das Substrat zum Beschichten automatisch hindurchführbar ist, umfasst. The invention relates to a device and a method for coating a substantially cylindrical substrate with a fluid, wherein the device comprises at least one nozzle with a nozzle channel, through which the substrate for coating is automatically passed.
Zur Herstellung technischer Fäden für verschiedene Anwendungen, For producing technical threads for various applications,
beispielsweise zur Herstellung von Produkten, welche einen Festigkeitsträger erfordern, ist es oftmals erforderlich, einen Faden als ein Substrat mit wenigstens einem wässrigen und/oder lösemittelhaltigen Fluid zu beschichten. Ein vorrangig verwendetes Verfahren zur Beschichtung der Fäden stellt das Tauchbadverfahren dar. Das Tauchbadverfahren ist flexibel, d. h. unabhängig von einem For example, to make products requiring a strength member, it is often necessary to coat a thread as a substrate with at least one aqueous and / or solvent-containing fluid. A predominantly used method for coating the threads is the dip process. The dip process is flexible, i. H. regardless of one
Fadendurchmesser einsetzbar, wobei eine Vorrichtung zur Durchführung des Tauchbadverfahrens eine vergleichsweise geringe Komplexität aufweist. Can be used thread diameter, wherein a device for performing the dip process has a relatively low complexity.
Nachteilig bei einem solchen selbstdosierenden Tauchbadverfahren ist jedoch die Abhängigkeit von der Geschwindigkeit, mit welcher der Faden durch die However, a disadvantage of such a self-dipping Tauchbadverfahren is the dependence on the speed at which the thread through the
Vorrichtung zur Tauchbe Schichtung geführt wird, da eine Dicke der auf das Substrat applizierten Beschichtung von der Geschwindigkeit abhängig ist. Dabei nimmt mit einer steigenden Geschwindigkeit eine Nassfilmdicke auf dem Substrat zu. In Prozessen, in denen mittels des Tauchbadverfahrens eine zu hohe Dicke der Beschichtung auf das Substrat aufgebracht wird, ist eine Device for Tauchbe layering is performed, since a thickness of the applied coating on the substrate is dependent on the speed. As the speed increases, wet film thickness increases on the substrate. In processes in which too high a thickness of the coating is applied to the substrate by means of the dipping process, is a
Geschwindigkeitssteigerung nur mit einem vergleichsweise hohen Aufwand realisierbar, da ein überschüssig aufgebrachtes Fluid anschließend abgetragen werden muss. Um entgegen steigender Rohstoff- und/oder Energiepreise wirtschaftlich produzieren zu können, ist eine Erhöhung der Geschwindigkeit im Substrat-Behandlungsprozess erforderlich. Hinsichtlich einer Beschichtung flächiger Substrate sind vordosierte Verfahren bekannt, bei welchen eine aufzutragende Schichtdicke nicht abhängig von der Geschwindigkeit ist, wobei derartige Verfahren auch bei der Beschichtung von zylindrischen Substraten eingesetzt werden. Beispielsweise wird ein zylindrisches Substrat mittels zumindest einer Ringschlitzdüse berührungslos beschichtet, indem das Substrat senkrecht zur Förderrichtung mittels eines derartigen Düsenelementes von allen Seiten mit dem Fluid umströmt wird. Kennzeichnend hierbei ist, dass das Substrat einen vergleichsweise geringen Abstand, von z. B. einem dreifachen einer gewünschten Dicke der Beschichtung, und einem sich auf dem Substrat durch das Fluid bildenden Meniskus zu einem Düsenelement aufweist. Dabei wird die Dicke der Beschichtung durch den einem dem Düsenelement zugeführten Speed increase can be realized only with a relatively high effort, since an excessively applied fluid must then be removed. In order to be able to produce economically in response to rising raw material and / or energy prices, an increase in the speed in the substrate treatment process is required. With regard to a coating of flat substrates, predosed processes are known in which a layer thickness to be applied is not dependent on the speed, such processes also being used in the coating of cylindrical substrates be used. For example, a cylindrical substrate is coated without contact by means of at least one annular slot nozzle, in that the substrate is surrounded by the fluid perpendicular to the conveying direction by means of such a nozzle element from all sides. Characteristic here is that the substrate has a comparatively small distance, of z. B. has a threefold of a desired thickness of the coating, and a forming on the substrate by the fluid meniscus to a nozzle member. In this case, the thickness of the coating is supplied by the one the nozzle member
Volumenstrom bestimmt, welcher innerhalb zu bestimmender Volume flow determines which within to be determined
Beschichtungsfenster vollständig auf das Substrat aufgebracht wird. Bei diesem Beschichtungsverfahren ist es nicht erforderlich, überschüssiges Fluid nach dem Beschichten von dem Substrat zu entfernen. Der für das Verfahren Coating window is completely applied to the substrate. In this coating process, it is not necessary to remove excess fluid from the substrate after coating. The one for the procedure
charakteristische geringe Abstand zwischen Substrat und Düsenelement führt dazu, dass nicht alle Arten von insbesondere zylindrischen Substraten mittels des Verfahrens nahezu geschwindigkeitsunabhängig beschichtet werden können. Weist das zu beschichtende Substrat beispielsweise Toleranzen in seiner Dicke oder seinem Durchmesser auf, kann dieses Verfahren nicht eingesetzt werden. Characteristic small distance between substrate and nozzle element means that not all types of particular cylindrical substrates can be coated by the method almost independent of speed. For example, if the substrate to be coated has tolerances in its thickness or diameter, this method can not be used.
Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Vorrichtung und ein verbessertes Verfahren zur Beschichtung eines im Wesentlichen zylindrischen Substrates mit einem Fluid anzugeben. The invention has for its object to provide an improved device and an improved method for coating a substantially cylindrical substrate with a fluid.
Die Aufgabe wird erfindungs gemäß hinsichtlich der Vorrichtung durch die in Anspruch 1 und hinsichtlich des Verfahrens durch die in Anspruch 9 angegebenen Merkmale gelöst. The object is achieved fiction, according to the device by the in claim 1 and in terms of the method by the features specified in claim 9.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche. Advantageous embodiments of the invention are the subject of the dependent claims.
Eine Vorrichtung zur Beschichtung eines im Wesentlichen zylindrischen A device for coating a substantially cylindrical
Substrates mit einem Fluid umfasst zumindest eine Düse mit einem Düsenkanal, durch welchen das Substrat zum Beschichten automatisch hindurchführbar ist. Erfindungsgemäß ist die Düse aus zumindest zwei Düsenelementen gebildet, deren gegenüberliegende Innenwandungen jeweils einen Teilabschnitt des Düsenkanals bilden, wobei die Düsenelemente zumindest senkrecht zur Substrates with a fluid comprise at least one nozzle with a nozzle channel, through which the substrate for coating can be guided automatically. According to the invention, the nozzle is formed from at least two nozzle elements, the opposite inner walls each form a portion of the nozzle channel, wherein the nozzle elements at least perpendicular to
Längsachse des Düsenkanals derart bewegbar sind, dass ein Querschnitt des Düsenkanals in Abhängigkeit eines Querschnittes des Substrates variabel einstellbar ist. Longitudinal axis of the nozzle channel are movable such that a cross section of the nozzle channel is variably adjustable in dependence on a cross section of the substrate.
Unter einer variablen Einstellbarkeit des Querschnittes des Düsenkanals wird dabei eine Änderung des Querschnittes Düsenkanals zwischen zwei oder mehreren Querschnittswerten verstanden. Hierzu werden die Düsenelemente in zwei oder mehrere fest vorgegebene Positionen zueinander angeordnet. Zur Vorgabe der zumindest zwei festen Positionen sind beispielsweise ein oder mehrere Schraubelemente vorgesehen. A variable adjustability of the cross-section of the nozzle channel is understood as meaning a change in the cross-section of the nozzle channel between two or more cross-sectional values. For this purpose, the nozzle elements are arranged in two or more fixed predetermined positions to each other. To specify the at least two fixed positions, for example, one or more screw elements are provided.
Um den Querschnitt des Düsenkanals an verschiedene Ausbildungen des Substrates anzupassen, sind die Schraubenelemente vorzugsweise austauschbar. In order to adapt the cross section of the nozzle channel to different configurations of the substrate, the screw elements are preferably exchangeable.
Alternativ zur Anordnung der Düsenelemente in zwei oder mehreren fest vorgegebenen Positionen kann die Positionierung der Düsenelemente zueinander stufenlos erfolgen. Alternatively to the arrangement of the nozzle elements in two or more fixed predetermined positions, the positioning of the nozzle elements to each other can be made stepless.
Da der Querschnitt der Düse in Abhängigkeit des Querschnittes des zu beschichtenden Substrates durch die Zweiteiligkeit der Düse variabel einstellbar ist, ist die erfindungs gemäße Vorrichtung in besonders vorteilhafter Weise zur Beschichtung für zylindrische Substrate, beispielsweise Fäden, mit verschiedenen Querschnitten einsetzbar, ohne die Vorrichtung umrüsten zu müssen und hierzu beispielsweise die Düse austauschen zu müssen. Since the cross-section of the nozzle is variably adjustable as a function of the cross-section of the substrate to be coated by the bipartite nozzle, the device according fiction, in a particularly advantageous manner for coating cylindrical substrates, such as threads, can be used with different cross-sections, without retooling the device need to and for this example have to replace the nozzle.
Dabei sind die Düsenelemente in unterschiedlichen Positionen zueinander anordbar und Innenwandungen der Düsenelemente begrenzen in einer geschlossenen Position der Düse den Düsenkanal randseitig, wobei zumindest ein erstes Düsenelement automatisch relativ zu einem zweiten Düsenelement derart positionierbar ist, dass die Düsenelemente an zumindest einer Längsseite des Düsenkanals zueinander beabstandet sind. In this case, the nozzle elements can be arranged in different positions relative to one another and inner walls of the nozzle elements limit the nozzle channel at the edge in a closed position of the nozzle, whereby at least one first nozzle element automatically relative to a second nozzle element can be positioned so that the nozzle elements are spaced from each other on at least one longitudinal side of the nozzle channel.
Dadurch, dass die Düsenelemente zueinander beabstandbar sind, ist ein Characterized in that the nozzle elements are spaced apart from each other, is a
Querschnitt einer mittels der Düsenelemente gebildeten Durchführung, in welcher das Substrat anordbar ist, in besonders vorteilhafter Weise vergrößerbar. Somit ist es möglich beispielsweise ein Substrat, welches aufgrund der Erhöhung seiner Lauflänge aus mehreren miteinander verknoteten Fäden gebildet ist, durch die Düse zu führen und gegebenenfalls zu beschichten. Cross-section of a passage formed by means of the nozzle elements, in which the substrate can be arranged, can be enlarged in a particularly advantageous manner. Thus, it is possible, for example, a substrate, which is formed due to the increase in its run length of several knotted together threads, to guide through the nozzle and, if necessary, to coat.
Auch ist ein als Faden mit einem Spleiß oder mehreren Spleißen aufgrund der mehrteiligen Ausbildung der Düse durch diese hindurchführbar, ohne dass eine Geschwindigkeit mit der das Substrat durch die Düse führbar ist, verringert werden muss. Also, as a thread with a splice or splices due to the multi-part design of the nozzle can be passed therethrough, without a speed at which the substrate is guided through the nozzle can be reduced.
Die Durchführung kann hinsichtlich ihres Querschnittes an eine Dicke, d. h. einen Querschnitt des jeweiligen zu beschichtenden Substrates angepasst werden, wobei durch die automatische Beabstandung der Düsenelemente zueinander in Gewinn bringender Weise Umrüstzeiten und somit Umrüstkosten hinsichtlich der The bushing may have a cross-section to a thickness, i. H. a cross-section of the respective substrate to be coated are adapted, wherein by the automatic spacing of the nozzle elements to each other in a profitable manner changeover times and thus conversion costs in terms of
Vorrichtung verringert sind, wodurch die Wirtschaftlichkeit der Vorrichtung im Wesentlichen sichergestellt werden kann. Device are reduced, whereby the efficiency of the device can be substantially ensured.
Bevorzugt ist die Vorrichtung derart ausgebildet, dass es möglich ist innerhalb einer Zeitdauer von beispielsweise einer Minute 400 Meter Substrat, insbesondere 400 Meter Faden kontinuierlich zu beschichten, um somit einen Faden, insbesondere für technische Anwendungen, herzustellen. Preferably, the device is designed such that it is possible within a period of, for example, one minute 400 meters substrate, in particular 400 meters continuously to coat thread, thus producing a thread, especially for technical applications.
In einer möglichen Ausgestaltung ist das zweite Düsenelement unbeweglich an einem Trägerelement fixiert, wobei das erste Düsenelement mittels einer Anzahl von Führungselementen automatisch relativ zu dem zweiten Düsenelement positionierbar ist. Da das zweite Düsenelement an dem Trägerelement fixiert ist und nur das erste Düsenelement mittels der Anzahl von Führungselementen bewegbar ist, sind ausschließlich zur Ausführung der Bewegung des ersten Düsenelementes entsprechende Führungselemente erforderlich, wodurch die Vorrichtung im Vergleich kostengünstiger ausgebildet ist. Beispielsweise ist das erste In one possible embodiment, the second nozzle element is immovably fixed to a carrier element, wherein the first nozzle element is automatically positioned relative to the second nozzle element by means of a number of guide elements. Since the second nozzle element is fixed to the carrier element and only the first nozzle element is movable by means of the number of guide elements, corresponding guide elements are required exclusively for carrying out the movement of the first nozzle element, whereby the device is designed to be cheaper in comparison. For example, the first one is
Düsenelement mittels einer hydraulisch, pneumatisch und/oder elektromotorisch ausgeführten Zylinder-Kolben-Einheit relativ zu dem zweiten Düsenelement bewegbar. Nozzle element by means of a hydraulic, pneumatic and / or electric motor cylinder-piston unit relative to the second nozzle element movable.
Zudem reduziert sich dadurch, dass nur das erste Düsenelement bewegbar und positionierbar ist, eine Anzahl von Bauteilen der Vorrichtung, da keine weitere Kolben-Zylinder-Einheit erforderlich ist. In addition, reduced by the fact that only the first nozzle member is movable and positionable, a number of components of the device, since no further piston-cylinder unit is required.
Vorzugsweise ist das erste Düsenelement im Wesentlichen senkrecht zur Preferably, the first nozzle element is substantially perpendicular to
Längsachse des Düsenkanals verschiebbar zu dem zweiten Düsenelement angeordnet, wobei die Führungselemente in vorteilhafter Weise derart ausgebildet sind, dass eine lineare Bewegung des ersten Düsenelementes ausführbar ist. Longitudinal axis of the nozzle channel slidably disposed to the second nozzle member, wherein the guide elements are advantageously formed such that a linear movement of the first nozzle member is executable.
In einer besonders vorteilhaften Ausgestaltung der Vorrichtung ist wenigstens eine Erfassungseinheit vorgesehen, mittels welcher eine Veränderung der Form des zylindrischen Substrates vor Passieren des Düsenkanals erfassbar ist und das erste Düsenelement bei erfasster Veränderung der Form automatisch relativ zu dem zweiten Düsenelement beabstandet positionierbar ist. Dadurch ist es möglich, die Düsenelemente derart zueinander zu beabstanden, dass das Substrat, welches beispielsweise eine Verdickung in Form eines Knotens aufweist, zum Beschichten durch den Düsenkanal hindurchführbar ist. In a particularly advantageous embodiment of the device, at least one detection unit is provided, by means of which a change in the shape of the cylindrical substrate before passing the nozzle channel is detectable and the first nozzle element is automatically positioned at a detected change in the shape of the second nozzle member spaced apart. This makes it possible to space the nozzle elements relative to one another in such a way that the substrate, which has, for example, a thickening in the form of a knot, can be guided through the nozzle channel for coating.
Bevorzugt erfolgt die Beschichtung des Substrates bei vollständig geschlossener Düse, wobei eine Dicke der auf das Substrat aufgebrachten Beschichtung von Parametern des Fluids und einem einer Substratgeschwindigkeit angepassten Volumenstrom abhängig ist. In einer weiteren möglichen Ausgestaltung der Vorrichtung ist bei einer aufgrund der Veränderung der Form bedingten Vergrößerung einer Beabstandung der Düsenelemente zueinander den Düsenelementen wenigstens ein Reinigungsmittel zuführbar, so dass die Düsenelemente während eines Durchführens eines nicht zu beschichtenden Bereiches des Substrates gereinigt werden können. Beispielsweise wird als Reinigungsmittel Wasser und/oder ein anderes Fluid verwendet. The coating of the substrate preferably takes place when the nozzle is completely closed, with a thickness of the coating applied to the substrate being dependent on parameters of the fluid and a volume flow adapted to a substrate speed. In a further possible embodiment of the device, at least one cleaning agent can be supplied to the nozzle elements when the spacing of the nozzle elements is increased due to the change in shape, so that the nozzle elements can be cleaned during a passage of a region of the substrate that is not to be coated. For example, water and / or another fluid is used as the cleaning agent.
Alternativ kann der Beschichtungsvorgang fortgesetzt werden, wobei bei geöffnetem Düsenkanal auf das Substrat abschnittsweise eine Beschichtung aufbringbar ist. Alternatively, the coating process can be continued, wherein a coating is partially applied to the substrate when the nozzle channel is open.
Besonders vorteilhaft ist das Reinigungsmittel den Düsenelementen über dieselbe Leitung zuführbar, durch welche das Fluid zur Beschichtung strömt, dadurch ist keine Umrüstung der Vorrichtung zur Reinigung der Düse erforderlich, wodurch Gewinn bringend Zeit und Kosten reduziert werden können. Darüber hinaus ist durch Verwendung derselben Leitung zum Beschichten und zum Reinigen die Anzahl von Bauteilen der Vorrichtung nicht erhöht. Particularly advantageously, the cleaning agent can be fed to the nozzle elements via the same line through which the fluid flows to the coating, thereby no conversion of the device for cleaning the nozzle is required, thereby reducing time and cost can be reduced profit. Moreover, by using the same line for coating and cleaning, the number of components of the device is not increased.
Um im Wesentlichen ausschließen zu können, dass sich der Faden aufgrund seiner Verdickung, beispielsweise in Form eines Knotens an der Vorrichtung verklemmt und/oder hängen bleibt und abreißt, ist besonders vorteilhaft eine Hebevorrichtung zum automatischen Anheben des Substrates zumindest bei erfasster Änderung der Form desselben, also bei geöffneter Position der Düse vorgesehen. In order to essentially rule out that the thread due to its thickening, for example in the form of a knot jammed on the device and / or hanging and tearing off, is particularly advantageous a lifting device for automatically lifting the substrate at least when detected change the shape of the same, So provided with the nozzle open position.
Die Hebevorrichtung ist bevorzugt an dem ersten Düsenelement angeordnet, so dass das Substrat bei Vergrößerung der Beabstandung zwischen den The lifting device is preferably arranged on the first nozzle element, so that the substrate increases with increasing the spacing between the
Düsenelementen mittels der Hebevorrichtung gleichzeitig anhebbar ist. Nozzle elements can be raised simultaneously by means of the lifting device.
Darüber hinaus betrifft die Erfindung ein Verfahren zur Beschichtung eines zylindrischen Substrates mit einem Fluid, wobei die Vorrichtung zumindest eine Düse mit einem Düsenkanal umfasst, durch welchen das Substrat zum Moreover, the invention relates to a method for coating a cylindrical substrate with a fluid, wherein the device comprises at least one nozzle with a nozzle channel, through which the substrate for
Beschichten automatisch hindurchgeführt wird. Erfindung s gemäß ist die Düse aus zumindest zwei Düsenelementen gebildet, deren gegenüberliegende Coating is automatically passed. Invention according to the nozzle is made at least two nozzle elements formed, the opposite
Innenwandungen jeweils einen Teilabschnitt des Düsenkanals bilden, wobei die Düsenelemente zumindest senkrecht zu einer Längsachse des Düsenkanals derart bewegbar sind, dass ein Querschnitt des Düsenkanals in Abhängigkeit eines Querschnittes des Substrates variabel eingestellt wird. Inner walls each form a portion of the nozzle channel, wherein the nozzle elements are at least perpendicular to a longitudinal axis of the nozzle channel movable so that a cross section of the nozzle channel is set variably in dependence of a cross section of the substrate.
Dabei sind die Düsenelemente in unterschiedlichen Positionen zueinander anordbar, wobei Innenwandungen der Düsenelemente in einer geschlossenen Position der Düse den Düsenkanal randseitig begrenzen. Bei einer Veränderung der Form des zylindrischen Substrates vor Passieren des Düsenkanals wird zumindest ein erstes Düsenelement automatisch relativ zu einem zweiten In this case, the nozzle elements can be arranged in different positions relative to one another, inner walls of the nozzle elements delimiting the nozzle channel at the edge in a closed position of the nozzle. When the shape of the cylindrical substrate changes before passing through the nozzle channel, at least one first nozzle element automatically becomes relative to a second nozzle element
Düsenelement derart positioniert, dass die Düsenelemente an zumindest einer Längsseite des Düsenkanals zueinander beabstandet werden. Nozzle element positioned such that the nozzle elements are spaced apart on at least one longitudinal side of the nozzle channel to each other.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand einer Embodiments of the invention are described below with reference to a
Zeichnung näher erläutert. Drawing explained in more detail.
Darin zeigen: Show:
Figur 1 schematisch eine Vorderansicht einer erfindungsgemäßen Figure 1 shows schematically a front view of an inventive
Vorrichtung zur Beschichtung eines zylindrischen Substrates und  Apparatus for coating a cylindrical substrate and
Figur 2 schematisch eine Schnittdarstellung der Vorrichtung in einer 2 shows schematically a sectional view of the device in one
Seitenansicht.  Side view.
Einander entsprechende Teile sind in allen Figuren mit den gleichen Corresponding parts are the same in all figures
Bezugszeichen versehen. Provided with reference numerals.
Figur 1 zeigt eine Vorderansicht einer erfindungsgemäßen Vorrichtung 1 zur Beschichtung eines nicht näher dargestellten im Wesentlichen zylinderförmigen Substrates mit einem Fluid. Bei dem Faden als Substrat kann es sich insbesondere um einen Faden zur technischen Anwendung handeln, wobei der Faden Figure 1 shows a front view of a device 1 according to the invention for coating a non-illustrated substantially cylindrical substrate with a fluid. The thread as the substrate may be in particular to act a thread for technical application, the thread
Bestandteil eines Produktes sein kann, welches einen Festigkeitsträger erfordert und beispielsweise für ein Fahrzeug vorgesehen ist. Component of a product may be, which requires a strength member and is provided for example for a vehicle.
Die Vorrichtung 1 weist ein Rahmengestell 2 als Befestigungsrahmen auf, welcher ermöglicht, die Vorrichtung 1 beispielsweise in einer The device 1 has a frame 2 as a mounting frame, which allows the device 1, for example in a
Produktionsumgebung anzuordnen. Dabei umfasst das Rahmengestell 2 ein Trägerelement 2.1, welches plattenförmig ausgebildet und parallel zu einem Boden, auf dem die Vorrichtung 1 steht, angeordnet ist. To arrange the production environment. In this case, the frame 2 comprises a support element 2.1, which is plate-shaped and parallel to a bottom on which the device 1 is arranged.
Zur Beschichtung des Substrates weist die Vorrichtung 1 eine Düse 3 auf, welche aus einem ersten Düsenelement 3.1 und einem zweiten Düsenelement 3.2 gebildet ist. Dabei sind die Düsenelemente 3.1, 3.2 beabstandet zueinander dargestellt, wobei die Düse 3 eine so genannte Ringschlitzdüse sein kann. For coating the substrate, the device 1 has a nozzle 3, which is formed from a first nozzle element 3.1 and a second nozzle element 3.2. In this case, the nozzle elements 3.1, 3.2 are shown spaced from each other, wherein the nozzle 3 may be a so-called Ringschlitzdüse.
Eine Dicke einer auf das zylindrische Substrat aufgebrachten Beschichtung wird dabei mittels eines der Düse 3 zugeführten Volumenstromes hinsichtlich eines Fluids, welcher innerhalb eines Beschichtungsfensters auf das Substrat aufgebracht wird, bestimmt. Mittels der als Ringschlitzdüse ausgeführten Düse 3 ist es möglich, eine Mantelfläche des zylindrischen Substrates senkrecht zu einer Förderrichtung, also in X-Richtung vollflächig zu beschichten. A thickness of a coating applied to the cylindrical substrate is determined by means of a volume flow supplied to the nozzle 3 with regard to a fluid which is applied to the substrate within a coating window. By means of the nozzle 3 designed as a ring-slot nozzle, it is possible to coat a lateral surface of the cylindrical substrate perpendicular to a conveying direction, ie in the X-direction over the entire surface.
Das erste Düsenelement 3.1 ist an einem Verbindungselement 4 angeordnet, welches mit einem Ende 5.1.1 eines Kolbens 5.1 eines Zwei- Wege- Stellzylinders 5 als Zylinder- Kolben-Einheit verbunden ist. Dabei ist der Zwei- Wege-Stellzylinder 5 an dem Rahmengestell 2 der Vorrichtung 1 befestigt. The first nozzle element 3.1 is arranged on a connecting element 4 which is connected to one end 5.1.1 of a piston 5.1 of a two-way actuating cylinder 5 as a cylinder-piston unit. In this case, the two-way actuating cylinder 5 is fixed to the frame 2 of the device 1.
Mittels des Zwei-Wege-Stellzylinders 5 ist eine lineare Bewegung ausführbar, wobei der Zwei-Wege-Stellzylinder 5 derart an dem Rahmengestell 2 angeordnet ist, dass seine Längsausdehnung in vertikaler Richtung verläuft, so dass der Kolben 5.1 und somit auch das erste Düsenelement 3.1 in vertikaler Richtung bewegbar sind. Beispielsweise ist der Kolben 5.1 des Zwei-Wege-Stellzylinders 5 hydraulisch, pneumatisch und/oder elektromotorisch bewegbar. By means of the two-way adjusting cylinder 5 is a linear movement executable, wherein the two-way actuating cylinder 5 is arranged on the frame 2, that its longitudinal extent extends in the vertical direction, so that the piston 5.1 and thus the first nozzle member 3.1 in the vertical direction are movable. For example, the piston 5.1 of the two-way actuating cylinder 5 is hydraulically, pneumatically and / or electromotively movable.
Das zweite Düsenelement 3.2 ist unbeweglich an dem Trägerelement 2.1 befestigt, wobei jeweils seitlich an dem zweiten Düsenelement 3.2 ein stabförmiges Führungselement 6 angeordnet ist, welche sich in X-Richtung gegenüberliegend angeordnet sind. The second nozzle element 3.2 is immovably fixed to the support element 2.1, wherein each side of the second nozzle element 3.2, a rod-shaped guide member 6 is arranged, which are arranged opposite each other in the X direction.
Mittels der Führungselemente 6, die durch jeweils eine Aussparung in dem ersten Düsenelement 3.1 hindurchgeführt sind, ist das erste Düsenelement 3.1 in Bezug auf das zweite Düsenelement 3.2 exakt führbar, wobei die Führungselemente 6 derart hinsichtlich der beiden Düsenelemente 3.1, 3.2 angeordnet sind, dass eine genaue Positionierung der Düsenelemente 3.1, 3.2 übereinander möglich ist. Dabei ist das erste Düsenelement 3.1 mittels der Führungselemente 6 im By means of the guide elements 6, which are passed through in each case a recess in the first nozzle element 3.1, the first nozzle element 3.1 with respect to the second nozzle member 3.2 exactly executable, the guide elements 6 are so arranged with respect to the two nozzle elements 3.1, 3.2, that a exact positioning of the nozzle elements 3.1, 3.2 is possible one above the other. In this case, the first nozzle element 3.1 by means of the guide elements 6 in
Wesentlichen senkrecht zu einer Längsachse L eines mittels der Substantially perpendicular to a longitudinal axis L of a means of
Düsenelemente 3.1, 3.2 gebildeten Düsenkanals K zu dem zweiten Nozzle elements 3.1, 3.2 formed nozzle channel K to the second
Düsenelement 3.2 verschiebbar angeordnet. Nozzle element 3.2 slidably disposed.
Ist das erste Düsenelement 3.1 formschlüssig auf dem zweiten Düsenelement 3.2 angeordnet, ist die Düse 3 geschlossen, wobei Innenwandungen der If the first nozzle element 3.1 is arranged in a form-fitting manner on the second nozzle element 3.2, the nozzle 3 is closed, wherein the inner walls of the
Düsenelemente 3.1, 3.2 den Düsenkanal K begrenzen, dessen Längsachse L sich in X-Richtung erstreckt. Jet elements 3.1, 3.2 limit the nozzle channel K, whose longitudinal axis L extends in the X direction.
An sich gegenüberliegenden Seiten des ersten Düsenelementes 3.1 ist jeweils ein Hebeelement 7 einer Hebevorrichtung angeordnet, mittels welcher das Substrat zumindest in Bezug auf den Düsenkanal K positionierbar ist. On opposite sides of the first nozzle element 3.1 is in each case a lifting element 7 of a lifting device arranged, by means of which the substrate is positioned at least with respect to the nozzle channel K.
Im Betrieb der Vorrichtung 1 wird ein Faden als zylindrisches Substrat zwischen den beiden Düsenelementen 3.1, 3.2 angeordnet. Dabei erfolgt eine vertikale Zentrierung des Substrates in dem Düsenkanal K durch Ausrichtung eines Aufbaus der Düse 3. Der Faden ist zentriert in dem Düsenkanal K angeordnet, wobei der Faden jeweils einen gleichen Abstand zu den Innenwandungen der Düsenelemente 3.1, 3.2 zumindest in der geschlossenen Position der Düse 3 aufweist, wobei ein In operation of the device 1, a thread is arranged as a cylindrical substrate between the two nozzle elements 3.1, 3.2. In this case, a vertical centering of the substrate takes place in the nozzle channel K by aligning a construction of the nozzle 3. The yarn is arranged centered in the nozzle channel K, wherein the thread in each case has an equal distance from the inner walls of the nozzle elements 3.1, 3.2, at least in the closed position of the nozzle 3, wherein a
Querschnitt des Düsenkanals K in geschlossener Position der Düse 3 insbesondere eine Kreisform aufweist. Cross-section of the nozzle channel K in the closed position of the nozzle 3 in particular has a circular shape.
Die Düse 3 wird geschlossen, in dem der Zwei-Wege-Stellzylinder 5 angesteuert und dadurch der Kolben 5.1 ausgefahren wird, so dass sich das erste The nozzle 3 is closed, in which the two-way actuating cylinder 5 is driven and thereby the piston 5.1 is extended, so that the first
Düsenelement 3.1 mittels der Bewegung des Kolbens 5.1 und der Führung durch die Führungselemente 6 auf das zweite Düsenelement 3.2 zubewegt. Nozzle element 3.1 is moved toward the second nozzle element 3.2 by means of the movement of the piston 5.1 and the guide by the guide elements 6.
Die Düse 3 ist strömungstechnisch mit einer nicht dargestellten Leitung gekoppelt, welche von dem Fluid zur Beschichtung des Substrates durchströmt wird und das nicht näher gezeigte Fluid durch Öffnungen der The nozzle 3 is fluidly coupled to a line, not shown, which is flowed through by the fluid for coating the substrate and the fluid not shown in detail through openings of the
Düsenelemente 3.1, 3.2 strömt und somit auf das Substrat aufgebracht wird. Nozzle elements 3.1, 3.2 flows and is thus applied to the substrate.
Dabei ist das Substrat mit einer Fördereinrichtung gekoppelt, so dass das Substrat die Düse 3 mit einer vorgegebenen Geschwindigkeit in Förderrichtung, also in X- Richtung automatisch passiert und in der Düse 3 beschichtet wird. In this case, the substrate is coupled to a conveying device, so that the substrate automatically passes the nozzle 3 at a predetermined speed in the conveying direction, ie in the X direction, and is coated in the nozzle 3.
In der Produktionsumgebung, in welcher die Vorrichtung 1 angeordnet ist, ist zumindest eine in den Figuren 1 und 2 nicht gezeigte Erfassungseinheit angeordnet, mittels welcher eine Veränderung der Form des Substrates vor dem Passieren der Düse 3 erfasst wird. In the production environment in which the device 1 is arranged, at least one detection unit, not shown in FIGS. 1 and 2, is arranged, by means of which a change in the shape of the substrate is detected before passing through the nozzle 3.
Um einen Faden als Substrat beispielsweise zu verlängern, werden Fäden entsprechend einer gewünschten Lauflänge miteinander verknüpft, d. h. verknotet, so dass der verlängerte Faden in seinem Verlauf Knoten aufweist und dadurch ein Querschnitt des Substrates zumindest im Bereich der Knoten partiell vergrößert ist. Diese Veränderung der Form des Substrates, insbesondere hinsichtlich der Vergrößerung seines Querschnittes wird von der Erfassungseinheit erfasst, wobei die erfassten Signale einer nicht näher dargestellten Steuereinheit der To extend a thread as a substrate, for example, threads are linked together according to a desired run length, ie knotted, so that the elongated thread has nodes in its course and thereby a cross section of the substrate is at least partially enlarged in the region of nodes. This change in the shape of the substrate, in particular with regard to the enlargement of its cross section is detected by the detection unit, wherein the detected signals of a control unit not shown in detail
Vorrichtung 1 zugeführt werden, in dieser verarbeitet und ausgewertet werden. Device 1 are supplied, processed and evaluated in this.
Das Substrat wird mittels der Fördereinrichtung mit einer vorgegebenen The substrate is conveyed by means of the conveyor with a predetermined
Geschwindigkeit bewegt, so dass bekannt ist, zu welchem Zeitpunkt sich der Knoten als erfasste Veränderung der Form an der Vorrichtung 1, insbesondere an der Düse 3 befindet. Moving speed, so that it is known at what time the node as a detected change in the shape of the device 1, in particular on the nozzle 3 is located.
Befindet sich der Knoten in einem vorgegebenen Abstand zu der Düse 3, wird der Zwei-Wege-Stellzylinder 5 mittels zumindest eines von der Steuereinheit erzeugten Steuersignals angesteuert, so dass der Kolben 5.1 in Abhängigkeit der Vergrößerung des Querschnittes des Substrates durch den Knoten in den Zwei- Wege-Stellzylinder 5 einfährt und sich die Düse 3 dadurch öffnet. If the node is at a predetermined distance from the nozzle 3, the two-way actuating cylinder 5 is actuated by means of at least one control signal generated by the control unit, so that the piston 5.1 as a function of the enlargement of the cross section of the substrate through the node in the two - Traveling actuator cylinder 5 retracts and the nozzle 3 thereby opens.
Bei Beabstandung des ersten Düsenelementes 3.1 zu dem zweiten When spacing the first nozzle element 3.1 to the second
Düsenelement 3.2 nehmen die Hebeelemente 7 der Hebevorrichtung den Faden als zylindrisches Substrat auf, wodurch der Faden angehoben wird, so dass der Bereich des Substrates, welcher den vergrößerten Querschnitt aufweist, die geöffnete Düse 3 ungehindert passieren kann, also nicht verklemmt und/oder hängenbleibt. Nozzle element 3.2 take the lifting elements 7 of the lifting device on the thread as a cylindrical substrate, whereby the thread is raised, so that the region of the substrate, which has the enlarged cross-section, the open nozzle 3 can pass unhindered, so does not jam and / or get stuck.
Ist das erste Düsenelement 3.1 zu dem zweiten Düsenelement 3.2 beabstandet, die Düse 3 weist also eine geöffnete Position auf, kann vorgesehen sein, dass der Bereich des Substrates mit dem vergrößerten Querschnitt, dem Knoten, die Düse 3 passiert, ohne dass der Knoten mit dem Fluid beschichtet wird. If the first nozzle element 3.1 is spaced from the second nozzle element 3.2, ie the nozzle 3 has an open position, it can be provided that the area of the substrate with the enlarged cross section, the node, passes through the nozzle 3, without the node having the nozzle Fluid is coated.
Denkbar ist auch, dass der Knoten des Substrates bei geöffneter Düse 3 mit dem Fluid zumindest abschnittsweise beschichtet wird. Bevorzugt werden die Düsenelemente 3.1, 3.2, während diese zueinander beabstandet sind, um den Bereich des Substrates mit dem vergrößerten It is also conceivable that the node of the substrate is at least partially coated with the fluid when the nozzle 3 is open. Preference is given to the nozzle elements 3.1, 3.2, while they are spaced from each other to the area of the substrate with the enlarged
Querschnitt durch die Düse 3 hindurchzuführen, automatisiert gereinigt. Passing cross section through the nozzle 3, cleaned automatically.
Hierzu werden die Düsenelemente 3.1, 3.2 mit einem Reinigungsmittel, beispielsweise Wasser und/oder ein anderes Fluid, gespült, d. h. geflutet und anschließend mittels Druckluft getrocknet, wobei den Düsenelementen 3.1, 3.2 das Reinigungsmittel und die Druckluft über die selbe Leitung zugeführt werden, wie das Fluid zur Beschichtung des Substrates. For this purpose, the nozzle elements 3.1, 3.2 are rinsed with a cleaning agent, for example water and / or another fluid, d. H. flooded and then dried by means of compressed air, wherein the nozzle elements 3.1, 3.2, the cleaning agent and the compressed air are supplied via the same line as the fluid for coating the substrate.
Da die eine Leitung sowohl zur Zuführung des Fluids zur Beschichtung als auch zur Zuführung des Reinigungsmittels und bevorzugt auch zur Zuführung der Druckluft verwendet wird, ist eine Anzahl von Bestandteilen der Vorrichtung 1 nicht erhöht. Since the one line is used both for supplying the fluid for coating and for supplying the cleaning agent and preferably also for supplying the compressed air, a number of components of the device 1 is not increased.
Der Reinigungsvorgang der Düse 3 wird mittels der Steuereinheit zu dem The cleaning operation of the nozzle 3 is by means of the control unit to the
Zeitpunkt eingeleitet, wenn die Düse 3 geöffnet wird, so dass der Bereich des vergrößerten Querschnittes des Substrates die Düse 3 passieren kann. Time initiated when the nozzle 3 is opened, so that the area of the enlarged cross-section of the substrate can pass through the nozzle 3.
Die gesteuerte Beabstandung der Düsenelemente 3.1, 3.2 zueinander kann alternativ oder zusätzlich auch durchgeführt werden, wenn von der The controlled spacing of the nozzle elements 3.1, 3.2 to each other can alternatively or additionally also be carried out when of the
Erfassungseinheit eine Veränderung der Form des Substrates in Form eines Spleißes handelt. Dabei ist unter Spleiß eine bruchfeste, dauerhafte und im Wesentlichen nicht lösbare Verflechtung von Fäden zu verstehen, wodurch ein Querschnitt des Substrates ebenfalls vergrößert ist. Detection unit is a change in the shape of the substrate in the form of a splice. In this case, a splice is to be understood as a break-resistant, permanent and essentially non-detachable interweaving of threads, as a result of which a cross-section of the substrate is likewise enlarged.
In Figur 2 ist eine teilweise Schnittdarstellung einer Seitenansicht der FIG. 2 is a partial sectional view of a side view of FIG
Vorrichtung 1 zur Beschichtung eines zylindrischen Substrates dargestellt, wobei die Düsenelemente 3.1, 3.2, wie in Figur 1, beabstandet zueinander gezeigt sind. Mittels der erfindungs gemäßen Vorrichtung 1 ist es möglich, im Wesentlichen zylindrische Substrate mit verschiedenen Querschnitten mit einer Beschichtung zu versehen, um beispielsweise technische Fäden herzustellen. Device 1 for coating a cylindrical substrate shown, wherein the nozzle elements 3.1, 3.2, as shown in Figure 1, are shown spaced from each other. By means of the device 1 according to the invention, it is possible to provide substantially cylindrical substrates with different cross-sections with a coating, for example to produce technical threads.
Dabei arbeitet die Vorrichtung 1 bevorzugt geschwindigkeitsunabhängig, so dass es möglich ist, ein zylindrisches Substrat, insbesondere einen Faden mit einer Geschwindigkeit von bis zu 400 Meter in einer Minute die Vorrichtung 1 passieren zu lassen und berührungslos zu beschichten. In this case, the device 1 preferably operates independently of the speed, so that it is possible to let a cylindrical substrate, in particular a thread, pass the device 1 in a minute at a speed of up to 400 meters and to coat it in a contactless manner.
BEZUGSZEICHENLISTE Vorrichtung REFERENCE LIST Device
Rahmengestell frame
Trägerelement support element
Düse jet
erstes Düsenelement first nozzle element
zweites Düsenelement second nozzle element
Verbindungselement connecting element
Zwei-Wege-Stellzylinder Two-way actuating cylinders
Kolben piston
Ende The End
Führungselement guide element
Hebeelement lifting member
Düsenkanal nozzle channel
Längsachse longitudinal axis

Claims

P A T E N T A N S P R Ü C H E PATENT APPLICATIONS
1. Vorrichtung (1) zur Beschichtung eines im Wesentlichen zylindrischen 1. Device (1) for coating a substantially cylindrical
Substrates mit einem Fluid, umfassend zumindest eine Düse (3) mit einem Düsenkanal (K), durch welchen das Substrat zum Beschichten automatisch hindurchführbar ist,  Substrate with a fluid, comprising at least one nozzle (3) with a nozzle channel (K), through which the substrate for coating can be guided automatically,
dadurch gekennzeichnet, dass die Düse (3) aus zumindest zwei  characterized in that the nozzle (3) consists of at least two
Düsenelementen (3.1, 3.2) gebildet ist, deren gegenüberliegende  Nozzle elements (3.1, 3.2) is formed, the opposite
Innenwandungen jeweils einen Teilabschnitt des Düsenkanals (K) bilden, wobei die Düsenelemente (3.1, 3.2) zumindest senkrecht zu einer  Inner walls each form a portion of the nozzle channel (K), wherein the nozzle elements (3.1, 3.2) at least perpendicular to a
Längsachse (L) des Düsenkanals (K) derart bewegbar sind, dass ein  Longitudinal axis (L) of the nozzle channel (K) are movable such that a
Querschnitt des Düsenkanals (K) in Abhängigkeit eines Querschnittes des Substrates variabel einstellbar ist.  Cross section of the nozzle channel (K) is variably adjustable depending on a cross section of the substrate.
2. Vorrichtung (1) nach Anspruch 1, 2. Device (1) according to claim 1,
dadurch gekennzeichnet, dass die Düsenelemente (3.1, 3.2) in  characterized in that the nozzle elements (3.1, 3.2) in
unterschiedlichen Positionen zueinander anordbar sind, wobei  different positions can be arranged to one another, wherein
Innenwandungen der Düsenelemente (3.1, 3.2) in einer geschlossenen Position der Düse (3) den Düsenkanal (K) randseitig begrenzen, wobei zumindest ein erstes Düsenelement (3.1) automatisch relativ zu einem zweiten  Inner walls of the nozzle elements (3.1, 3.2) in a closed position of the nozzle (3) the edge of the nozzle channel (K), wherein at least one first nozzle element (3.1) automatically relative to a second
Düsenelement (3.2) derart positionierbar ist, dass die Düsenelemente (3.1, 3.2) an zumindest einer Längsseite des Düsenkanals (K) zueinander beabstandet sind.  Nozzle element (3.2) is positionable such that the nozzle elements (3.1, 3.2) on at least one longitudinal side of the nozzle channel (K) are spaced from each other.
3. Vorrichtung (1) nach Anspruch 1 oder 2, 3. Device (1) according to claim 1 or 2,
dadurch gekennzeichnet, dass das zweite Düsenelement (3.2) unbeweglich an einem Trägerelement (2.1) fixiert ist, wobei das erste Düsenelement (3.1) zumindest mittels einer Anzahl von Führungselementen (6) relativ zu dem zweiten Düsenelement (3.2) positionierbar ist. characterized in that the second nozzle element (3.2) is immovably fixed to a support element (2.1), wherein the first nozzle element (3.1) at least by means of a number of guide elements (6) relative to the second nozzle element (3.2) is positionable.
4. Vorrichtung (1) nach Anspruch 2 oder 3, 4. Device (1) according to claim 2 or 3,
dadurch gekennzeichnet, dass das erste Düsenelement (3.1) im Wesentlichen senkrecht zur Längsachse (L) des Düsenkanals (K) verschiebbar zu dem zweiten Düsenelement (3.2) angeordnet ist.  characterized in that the first nozzle element (3.1) is arranged substantially perpendicular to the longitudinal axis (L) of the nozzle channel (K) displaceable relative to the second nozzle element (3.2).
5. Vorrichtung (1) nach einem der Ansprüche 2 bis 4, 5. Device (1) according to one of claims 2 to 4,
dadurch gekennzeichnet, dass wenigstens eine Erfassungseinheit vorgesehen ist, mittels welcher eine Veränderung der Form des zylindrischen Substrates vor Passieren des Düsenkanals (K) erfassbar ist und dass das erste  characterized in that at least one detection unit is provided, by means of which a change in the shape of the cylindrical substrate before passing through the nozzle channel (K) can be detected and that the first
Düsenelement (3.1) bei erfasster Veränderung der Form automatisch relativ zu dem zweiten Düsenelement (3.2) beabstandet positionierbar ist.  Nozzle element (3.1) is automatically positionable at a detected change in shape relative to the second nozzle element (3.2).
6. Vorrichtung (1) nach einem der vorhergehenden Ansprüche, 6. Device (1) according to one of the preceding claims,
dadurch gekennzeichnet, dass bei einer aufgrund der Veränderung der Form bedingten Vergrößerung einer Beabstandung der Düsenelemente (3.1, 3.2) zueinander den Düsenelementen (3.1, 3.2) wenigstens ein Reinigungsmittel zuführbar ist.  characterized in that at a conditional due to the change in the shape enlargement of a spacing of the nozzle elements (3.1, 3.2) to each other the nozzle elements (3.1, 3.2) at least one cleaning agent can be fed.
7. Vorrichtung (1) nach Anspruch 6, 7. Device (1) according to claim 6,
dadurch gekennzeichnet, dass das Reinigungsmittel den  characterized in that the cleaning agent the
Düsenelementen (3.1, 3.2) über dieselbe Leitung, durch welche das Fluid zur Nozzle elements (3.1, 3.2) via the same line, through which the fluid to
Beschichtung strömt, zuführbar ist. Coating flows, can be supplied.
8. Vorrichtung (1) nach einem der Ansprüche 2 bis 7, 8. Device (1) according to one of claims 2 to 7,
dadurch gekennzeichnet, dass eine Hebevorrichtung zum automatischen Anheben des Substrates zumindest bei erfasster Änderung der Form desselben vorgesehen ist, wobei die Hebevorrichtung an dem ersten Düsenelement (3.1) angeordnet ist. characterized in that a lifting device is provided for automatically lifting the substrate at least when detected change in the shape of the same, wherein the lifting device is arranged on the first nozzle element (3.1).
9. Verfahren zur Beschichtung eines zylindrischen Substrates mit einem Fluid, umfassend zumindest eine Düse (3) mit einem Düsenkanal (K), durch welchen das Substrat zum Beschichten automatisch hindurchgeführt wird, 9. A method for coating a cylindrical substrate with a fluid, comprising at least one nozzle (3) with a nozzle channel (K) through which the substrate is automatically passed for coating,
dadurch gekennzeichnet, dass die Düse (3) aus zumindest zwei  characterized in that the nozzle (3) consists of at least two
Düsenelementen (3.1, 3.2) gebildet ist, deren gegenüberliegende  Nozzle elements (3.1, 3.2) is formed, the opposite
Innenwandungen jeweils einen Teilabschnitt des Düsenkanals (K) bilden, wobei die Düsenelemente (3.1, 3.2) zumindest senkrecht zu einer  Inner walls each form a portion of the nozzle channel (K), wherein the nozzle elements (3.1, 3.2) at least perpendicular to a
Längsachse (L) des Düsenkanals (K) derart bewegbar sind, dass ein  Longitudinal axis (L) of the nozzle channel (K) are movable such that a
Querschnitt des Düsenkanals (K) in Abhängigkeit eines Querschnittes des Substrates variabel eingestellt wird.  Cross section of the nozzle channel (K) is set variably depending on a cross section of the substrate.
10. Verfahren nach Anspruch 9, 10. The method according to claim 9,
dadurch gekennzeichnet, dass die Düsenelemente (3.1, 3.2) in  characterized in that the nozzle elements (3.1, 3.2) in
unterschiedlichen Positionen zueinander anordbar sind, wobei  different positions can be arranged to one another, wherein
Innenwandungen der Düsenelemente (3.1, 3.2) in einer geschlossenen Position der Düse (3) den Düsenkanal (K) randseitig begrenzen, wobei bei  Inner walls of the nozzle elements (3.1, 3.2) in a closed position of the nozzle (3) border the nozzle channel (K), wherein at
Veränderung der Form des zylindrischen Substrates vor Passieren des Düsenkanals (K) zumindest ein erstes Düsenelement (3.1) automatisch relativ zu einem zweiten Düsenelement (3.2) derart positioniert wird, dass die Düsenelemente (3.1, 3.2) an zumindest einer Längsseite des Düsenkanals (K) zueinander beabstandet werden.  Changing the shape of the cylindrical substrate before passing through the nozzle channel (K) at least a first nozzle element (3.1) is automatically positioned relative to a second nozzle element (3.2) such that the nozzle elements (3.1, 3.2) on at least one longitudinal side of the nozzle channel (K) spaced apart from each other.
EP13712523.3A 2012-03-22 2013-03-21 Device and method for coating a cylindrical substrate Not-in-force EP2694222B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13712523T PL2694222T3 (en) 2012-03-22 2013-03-21 Device and method for coating a cylindrical substrate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012204668A DE102012204668A1 (en) 2012-03-22 2012-03-22 Apparatus and method for coating a cylindrical substrate
PCT/EP2013/055939 WO2013139913A1 (en) 2012-03-22 2013-03-21 Device and method for coating a cylindrical substrate

Publications (2)

Publication Number Publication Date
EP2694222A1 true EP2694222A1 (en) 2014-02-12
EP2694222B1 EP2694222B1 (en) 2015-11-04

Family

ID=47998420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13712523.3A Not-in-force EP2694222B1 (en) 2012-03-22 2013-03-21 Device and method for coating a cylindrical substrate

Country Status (5)

Country Link
EP (1) EP2694222B1 (en)
DE (1) DE102012204668A1 (en)
PL (1) PL2694222T3 (en)
PT (1) PT2694222E (en)
WO (1) WO2013139913A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851005A (en) * 1957-02-15 1958-09-09 Theodore Lee Pole painting apparatus
DE3610291A1 (en) * 1985-03-26 1986-10-02 Canon Kk Flow control device for fine particles
DE4437847A1 (en) * 1994-10-22 1996-04-25 Bosch Gmbh Robert Diesel fuel injection jet
DE10023895B4 (en) * 2000-05-18 2012-06-21 "Inatec Innovative Auftragstechnologie" Gmbh Device for applying an adhesive application
US7793588B2 (en) * 2005-08-22 2010-09-14 Goss International Americas, Inc. Spray pattern valve body

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013139913A1 *

Also Published As

Publication number Publication date
PT2694222E (en) 2016-03-04
PL2694222T3 (en) 2016-04-29
WO2013139913A1 (en) 2013-09-26
DE102012204668A1 (en) 2013-09-26
EP2694222B1 (en) 2015-11-04

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