EP2694222A1 - Dispositif et procédé pour revêtir un substrat cylindrique - Google Patents

Dispositif et procédé pour revêtir un substrat cylindrique

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)
English (en)
Other versions
EP2694222B1 (fr
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/pl
Publication of EP2694222A1 publication Critical patent/EP2694222A1/fr
Application granted granted Critical
Publication of EP2694222B1 publication Critical patent/EP2694222B1/fr
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

L'invention concerne un dispositif (1) et un procédé pour revêtir un substrat pratiquement cylindrique d'un fluide, comprenant au moins une buse (3) pourvue d'un canal (K) à travers lequel le substrat à revêtir peut être guidé automatiquement. Selon l'invention, la buse (3) est formée d'au moins deux éléments (3.1, 3.2) dont les parois intérieures opposées forment respectivement une section partielle du canal (K), les éléments (3.1, 3.2) pouvant être déplacés au moins perpendiculairement à l'axe longitudinal (L) du canal (K) de telle manière qu'une section transversale du canal (K) puisse être ajustée de façon variable en fonction d'une section transversale du substrat.
EP13712523.3A 2012-03-22 2013-03-21 Dispositif et procédé pour revêtir un substrat cylindrique Not-in-force EP2694222B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13712523T PL2694222T3 (pl) 2012-03-22 2013-03-21 Urządzenie i sposób powlekania podłoża cylindrycznego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012204668A DE102012204668A1 (de) 2012-03-22 2012-03-22 Vorrichtung und Verfahren zur Beschichtung eines zylindrischen Substrates
PCT/EP2013/055939 WO2013139913A1 (fr) 2012-03-22 2013-03-21 Dispositif et procédé pour revêtir un substrat cylindrique

Publications (2)

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

Family

ID=47998420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13712523.3A Not-in-force EP2694222B1 (fr) 2012-03-22 2013-03-21 Dispositif et procédé pour revêtir un substrat cylindrique

Country Status (5)

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

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 (de) * 1985-03-26 1986-10-02 Canon Kk Stroemungssteuervorrichtung fuer feine partikel
DE4437847A1 (de) * 1994-10-22 1996-04-25 Bosch Gmbh Robert Einspritzdüse
DE10023895B4 (de) * 2000-05-18 2012-06-21 "Inatec Innovative Auftragstechnologie" Gmbh Vorrichtung zum Auftragen eines Klebstoffauftrags
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
WO2013139913A1 (fr) 2013-09-26
PT2694222E (pt) 2016-03-04
EP2694222B1 (fr) 2015-11-04
DE102012204668A1 (de) 2013-09-26
PL2694222T3 (pl) 2016-04-29

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