EP0103238A2 - Spray nozzle for the removal of liquids from surfaces - Google Patents

Spray nozzle for the removal of liquids from surfaces Download PDF

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Publication number
EP0103238A2
EP0103238A2 EP83108610A EP83108610A EP0103238A2 EP 0103238 A2 EP0103238 A2 EP 0103238A2 EP 83108610 A EP83108610 A EP 83108610A EP 83108610 A EP83108610 A EP 83108610A EP 0103238 A2 EP0103238 A2 EP 0103238A2
Authority
EP
European Patent Office
Prior art keywords
blow
cleaning element
nozzle according
blower nozzle
plate
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
EP83108610A
Other languages
German (de)
French (fr)
Other versions
EP0103238A3 (en
EP0103238B1 (en
Inventor
S.A. Unitas
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.)
Fontaine Engineering und Maschinen GmbH
Original Assignee
Unitas SA
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 Unitas SA filed Critical Unitas SA
Priority to AT83108610T priority Critical patent/ATE32839T1/en
Publication of EP0103238A2 publication Critical patent/EP0103238A2/en
Publication of EP0103238A3 publication Critical patent/EP0103238A3/en
Application granted granted Critical
Publication of EP0103238B1 publication Critical patent/EP0103238B1/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
    • C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
    • C23C2/18—Removing excess of molten coatings from elongated material
    • C23C2/20—Strips; Plates
    • 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
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/522—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings
    • B05B15/5223—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings the cleaning element, e.g. a needle, and the discharge opening being movable relative to each other in a direction substantially parallel to the flow of liquid or other fluent material through said opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/06—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with a blast of gas or vapour
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/21—Air blast

Definitions

  • the invention relates to a blowing nozzle for blowing off liquids from surfaces, for example a sheet metal surface, with a tubular body, on the jacket of which are attached approximately tangentially connected plate-like lips that run towards one another to form an outlet slot that runs parallel to the axis of the body, and with one in the body arranged ,. plate-shaped cleaning element that can be moved relative to the blow-out slot.
  • the plate-shaped cleaning element is arranged on a slide which is displaceably mounted on the inside of one lip and is actuated by pneumatic cylinders arranged inside the blow nozzle.
  • pneumatic cylinders arranged inside the blow nozzle.
  • the blow nozzle must be opened for maintenance work on the hydraulic cylinders used as the drive.
  • the invention is based on the object of improving the known blowing nozzle with a displaceable plate-shaped cleaning element in such a way that that the drive for the cleaning element takes place from the outside and there are only simple mechanical parts which do not disturb the blowing operation in the blowing nozzle.
  • the transmission has at least two adjusting rods running perpendicular to the cleaning element, each of which is provided with an eccentric lever connected to the cleaning element and is rotatably mounted about its longitudinal axis.
  • Each eccentric lever can engage with a roller in a receptacle arranged on the cleaning element, so that there is an articulated connection between the cleaning element and the eccentric lever.
  • the control rods protruding from the body of the blow nozzle are above those from the blow nozzle projecting ends connected to a common drive so that they can also be rotated together and move the cleaning element perpendicular to the blow-out slot without the risk of tilting.
  • the outer ends of the actuating rods are connected via a chain drive to a pneumatic cylinder which serves as a drive and which is fastened, for example, to the outside of the blow nozzle body.
  • the cleaning element is a tongue-like sheet which constantly engages in the blow-out slot and which is displaceable along the blow-out slot.
  • the cleaning element therefore has a relatively small width and does not extend over the length of the blow-out slot, but can be moved back and forth along the blow-out slot, but cannot be adjusted perpendicularly to the blow-out slot, as in the aforementioned first embodiment of the invention.
  • the tongue-like sheet is attached, for example, to a rope running parallel to the blow-out slot and guided over deflection rollers, which takes the tongue-like sheet with it when it is being adjusted and pulls it through the blow-out slot.
  • the rope can be actuated, for example, by a handwheel attached to the outside of the blow nozzle body.
  • the blowing nozzle 1 shown in Fig. 1 to 3 has a cylindrical body 2 in the basic form, to which tangentially plate-like lips 3 and 4 connect in one piece, which end at a short distance from one another, so that they extend over the length of the blowing nozzle 1 Form and limit blowout slot 5.
  • the lower lip 4 extends approximately horizontally in the exemplary embodiment shown, its inside delimiting the underside of the blow-out slot 5.
  • the sloping other lip 3 limits the blow-out slot 5 with its outer end.
  • a sheet 6 On the inside of the lip 4 there is a sheet 6 extending over the entire length of the blow-out slot 5, which is designed as a plate-shaped cleaning element and can be pushed back and forth in accordance with the arrow 7 shown in FIG. 1.
  • the sheet 6 In Fig. 1, the sheet 6 is shown in its most retracted position, while Fig. 2 shows the sheet 6 in the extended position in which it has been pushed out through the blowout slot 5 to the front. In this way, contaminants that settle in the blow-out slot 5 can be pushed out.
  • the thickness of the sheet 6 corresponds approximately to the height of the blow-out slot 5, so that by pulling the sheet 6 out of the blow-out slot 5 once, it can be freed of all impurities contained in it.
  • two adjusting rods 7 are provided in the exemplary embodiment according to FIGS. 1 to 3, which are arranged parallel and next to one another at a distance and are rotatably mounted about their longitudinal axis in bush-shaped bearings 8 and 9.
  • Bearings 8 and 9 can be maintenance-free bearing bushes.
  • the bearing 8 is arranged in the wall of the body 2, while the bearing 9 is located in an eye 10 which is attached to the inner wall of the body 2 and lies at a distance above the lip 4.
  • each control rod 7 a horizontally extending lever 11 is attached at one end below the eye 10. At the other end of this lever is one on the bottom of the same Roller 12 rotatably mounted, which engages in a receptacle 13 located on the top of the sheet 6.
  • This lever 11 acts as an eccentric to move the sheet 6 between the end positions shown in FIGS. 1 and 2 when the corresponding adjusting rod 7 is rotated.
  • each control rod 7 two sprockets 14 and 15 are arranged one above the other outside of the bearing 8 and thus on the outside of the body 2, and are connected in a rotationally fixed manner to the relevant control rod.
  • a chain 16 and 17 runs over each sprocket 14 and 15, the chain 16 connecting the corresponding sprockets 14 of the two adjusting rods 7 and the chain 17 connecting the sprockets 15 of the two adjusting rods 7.
  • the chains 16 and 17, together with the horizontally arranged chain wheels 14 and 15, form the rotary drive for the two adjusting rods 7, the two adjusting rods always being rotated simultaneously by the mutual coupling.
  • each chain 16 and 17 is interrupted, the respective ends being attached to a chain tensioner 18 and 19, respectively.
  • a pneumatic cylinder 20 which is attached to the outside of the body 2 of the blow nozzle 1.
  • the chain tensioners 18 and 19 are attached to the ends of the piston rod 21 of the pneumatic cylinder which protrude from the two ends of the pneumatic cylinder 20.
  • the two chains 16 and 17 are connected to the actuating piston which is displaceable in the pneumatic cylinder 20 and is not shown here.
  • the blow nozzle 31 in turn has a body 32 which is cylindrical in its basic form, to which plate-like lips 33 and 34 adjoin tangentially in one piece and which form and limit a blowout slot 35 which extends over the length of the body 32.
  • a tongue-like sheet 36 On the inside of the approximately horizontally extending lower lip 34 there is a tongue-like sheet 36, which constantly protrudes with its outer tip 37 from the blow-out slot 35, as shown in particular in FIG. 5, but can also be seen in FIG. 4.
  • Fig. 5 also shows that the tongue-like sheet 36 is relatively narrow and accordingly extends only over a small part of the length of the blow-out slot 35.
  • a wire cable 38 is provided inside the body 32 and is guided over deflection wheels 39, 40 and 41 and Drive wheel 42 is tensioned.
  • Fig. 4 shows that the guide wheels 39 and 40 are mounted on a block 43 which is fixed to the end wall 44 of the body 32.
  • the deflection wheel 41 is mounted in a manner not shown in the body 32, for example directly on the inside of the lip 34.
  • the drive wheel 42 is fastened on a shaft 45 which extends through a bearing housing 46 and is supported therein.
  • a handwheel 47 is fastened on the outside of the shaft 46, by means of which the wire cable 38 can be moved when the tongue-like sheet 36 serving as a cleaning element is to be moved along the blowout slot 35.
  • the wire rope 38 need not extend the entire length of the body 32. Rather, it would also be conceivable to arrange at both ends of the body 32 an arrangement as shown in FIG. 5, so that then two tongue-like plates 36 serving as cleaning elements can each be displaced about half of the blow-out slot 35.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Nozzles (AREA)
  • Cleaning In General (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

A blast nozzle for blowing-off liquids from surfaces, for example from sheet surfaces, has a tubular body, on the outer surface of which converging plate-like lips are provided which extend generally tangentially to form a blow-off slit which runs in an axially-parallel manner to the body. A plate-form cleaning element which may be moved relative to the blow-off slit is located in the body. The cleaning element is attached to a transmission which is adjusted by a drive provided outside the body. According to one embodiment, the cleaning element is a sheet which extends over practically the entire length of the blow-off slit and which may be selectively pushed into, and through, the blow-off slit, whereas according to another embodiment, it is a tongue which lies in the blow-off slit and which may be moved along that slit.

Description

Die Erfindung betrifft eine Blasdüse zum Abblasen von Flüssigkeiten von Oberflächen, beispielsweise einer Blechoberfläche, mit einem rohrförmigen Körper, an dessen Mantel etwa tangential angeschlossene, aufeinander zu verlaufende plattenartige Lippen zur Bildung eines achsparallel zum Körper verlaufenden Ausblasschlitzes angebracht sind, und mit einem in dem Körper angeordneten,. relativ zum Ausblasschlitz verschiebbaren plattenförmigen Reinigungselement.The invention relates to a blowing nozzle for blowing off liquids from surfaces, for example a sheet metal surface, with a tubular body, on the jacket of which are attached approximately tangentially connected plate-like lips that run towards one another to form an outlet slot that runs parallel to the axis of the body, and with one in the body arranged ,. plate-shaped cleaning element that can be moved relative to the blow-out slot.

Bei einer vorbekannten Blasdüse dieser Art (DE-OS 24 30 032) ist das plattenförmige Reinigungselement an einem Schieber angeordnet, der an der Innenseite der einen Lippe verschiebbar gelagert ist und von innerhalb der Blasdüse angeordneten pneumatischen Zylindern betätigt wird. Dadurch ist eine Fernbedienung möglich, so daß das Reinigungselement von Zeit zu Zeit durch den Ausblasschlitz hindurchgeschoben werden kann, ohne den Betrieb der Blasdüse hierzu unterbrechen zu müssen. Die Verwendung von pneumatischen Zylindern in der Blasdüse ist jedoch verhältnismäßig aufwendig. Für Wartungsarbeiten an den als Antrieb benutzten hydraulischen Zylindern muß die Blasdüse geöffnet werden.In a previously known blow nozzle of this type (DE-OS 24 30 032), the plate-shaped cleaning element is arranged on a slide which is displaceably mounted on the inside of one lip and is actuated by pneumatic cylinders arranged inside the blow nozzle. This enables remote control, so that the cleaning element can be pushed through the blow-out slot from time to time without having to interrupt the operation of the blowing nozzle. However, the use of pneumatic cylinders in the blow nozzle is relatively complex. The blow nozzle must be opened for maintenance work on the hydraulic cylinders used as the drive.

Der Erfindung liegt die Aufgabe zugrunde, die vorbekannte Blasdüse mit verschiebbarem plattenförmigen Reinigungselement derart zu verbessern, daß der Antrieb für das Reinigungselement von außen erfolgt und sich in der Blasdüse nur einfache, den Blasbetrieb nicht störende mechanische Teile befinden.The invention is based on the object of improving the known blowing nozzle with a displaceable plate-shaped cleaning element in such a way that that the drive for the cleaning element takes place from the outside and there are only simple mechanical parts which do not disturb the blowing operation in the blowing nozzle.

Diese Aufgabe wird erfindungsgemäß bei einer Blasdüse der eingangs genannten Gattung dadurch gelöst, daß das Reinigungselementai einem Getriebe angebracht ist, das von einem außerhalb des Körpers der Blasdüse vorgesehenen Antrieb zu betätigen ist. Erfindungsgemäß befindet sich innerhalb der Blasdüse zum Verstellen des dort gelagerten plattenförmigen Reinigungselementes lediglich ein mechanisches Getriebe, während der Antrieb außerhalb sitzt und dementsprechend leicht gewartet werden kann, gegebenenfalls sogar ohne Betriebsunterbrechung. Die innerhalb der Blasdüse befindlichen Getriebeteile können einfache mechanische Getriebeteile sein, die keiner besonderen Wartung bedürfen, so daß die Blasdüse für Wartungsarbeiten selten oder nie geöffnet werden muß.This object is achieved according to the invention in the case of a blowing nozzle of the type mentioned at the outset in that the cleaning element is attached to a gear which can be actuated by a drive provided outside the body of the blowing nozzle. According to the invention, only a mechanical gear is located inside the blow nozzle for adjusting the plate-shaped cleaning element mounted there, while the drive is located outside and can accordingly be easily serviced, possibly even without interrupting operation. The gear parts located inside the blow nozzle can be simple mechanical gear parts that do not require any special maintenance, so that the blow nozzle rarely or never has to be opened for maintenance work.

Gemäß einer bevorzugten praktischen Ausführungsform der Erfindung weist das Getriebe wenigstens zwei senkrecht zum Reinigungselement verlaufende Stellstangen auf, die jeweils mit einem mit dem Reinigungselement verbundenen Exzenterhebel versehen und um ihre Längsachse verdrehbar gelagert sind. Dabei kann jeder Exzenterhebel mit einer Rolle in eine auf dem Reinigungselement angeordnete Aufnahme eingreifen, so daß zwischen Reinigungselement und Exzenterhebel eine die Verstellbarkeit zulassende Gelenkverbindung vorhanden ist. Die aus dem Körper der Blasdüse herausragenden Stellstangen sind über die aus der Blasdüse herausragenden Enden mit einem gemeinsamen Antrieb verbunden, so daß sie auch gemeinsam verdreht werden und das Reinigungselement ohne die Gefahr von Verkantungen senkrecht zum Ausblasschlitz verschieben. Beispielsweise sind die äußeren Enden der Stellstangen über einen Kettentrieb mit einem als Antrieb dienenden pneumatischen Zylinder verbunden, der beispielsweisean der Außenseite des Blasdüsenkörpers befestigt ist.According to a preferred practical embodiment of the invention, the transmission has at least two adjusting rods running perpendicular to the cleaning element, each of which is provided with an eccentric lever connected to the cleaning element and is rotatably mounted about its longitudinal axis. Each eccentric lever can engage with a roller in a receptacle arranged on the cleaning element, so that there is an articulated connection between the cleaning element and the eccentric lever. The control rods protruding from the body of the blow nozzle are above those from the blow nozzle projecting ends connected to a common drive so that they can also be rotated together and move the cleaning element perpendicular to the blow-out slot without the risk of tilting. For example, the outer ends of the actuating rods are connected via a chain drive to a pneumatic cylinder which serves as a drive and which is fastened, for example, to the outside of the blow nozzle body.

Gemäß einer anderen , ebenfalls bevorzugten praktischen Ausführungsform der Erfindung ist das Reinigungselement ein zungenartiges Blech, das ständig in den Ausblasschlitz eingreift und das entlang dem Ausblasschlitz verschiebbar ist. In diesem Falle hat das Reinigungselement also eine verhältnismäßig geringe Breite und erstreckt nicht über die Länge des Ausblasschlitzes, sondern ist eniang dem Ausblasschlitz hin- und her verschiebbar, nicht hingegen senkrecht zum Ausblasschlitz verstellbar, wie bei der vorstehend genannten ersten Ausführungsform der Erfindung. Das zungenartige Blech ist dabei beispielsweise an einem parallel zum Ausblasschlitz verlaufenden und über Umlenkrollen geführten Seil angebracht, das beim Verstellen das zungenartige Blech mitnimmt und durch den Ausblasschlitz zieht. Das Seil kann dabei beispielsweise von einem auf der Außenseite des Blasdüsenkörpers angebrachten Handrad zu betätigen sein. Diese Ausführungsform der Erfindung eignet sich also besonders gut für eine einfache Handbetätigung, so daß auf einen kostspieligen und wartungsbedürftigen Antriebsmotor verzichtet werden kann.According to another, likewise preferred practical embodiment of the invention, the cleaning element is a tongue-like sheet which constantly engages in the blow-out slot and which is displaceable along the blow-out slot. In this case, the cleaning element therefore has a relatively small width and does not extend over the length of the blow-out slot, but can be moved back and forth along the blow-out slot, but cannot be adjusted perpendicularly to the blow-out slot, as in the aforementioned first embodiment of the invention. The tongue-like sheet is attached, for example, to a rope running parallel to the blow-out slot and guided over deflection rollers, which takes the tongue-like sheet with it when it is being adjusted and pulls it through the blow-out slot. The rope can be actuated, for example, by a handwheel attached to the outside of the blow nozzle body. This embodiment of the invention is therefore particularly suitable for simple manual operation, so that an expensive and maintenance-free drive motor can be dispensed with.

In der Zeichnung sind zwei Ausführungsbeispiele der erfindungsgemäßen Blasdüse dargestellt, und zwar zeigt

  • Fig. 1 einen Querschnitt durch eine erste Ausführungsform der Blasdüse,
  • Fig. 2 einen Teilquerschnitt durch die Blasdüse im Bereich der den Ausblasschlitz bildenden Lippen, wobei sich das Reinigungselement in gegenüber Fig. 1 veränderter Lage befindet,
  • Fig. 3 eine Ansicht der Blasdüse aus Fig. 1 und 2 von der Vorderseite,
  • Fig. 4 einen Querschnitt durch eine zweite Ausführungsform der erfindungsgemäßen Blasdüse und
  • Fig. 5 eine Draufsicht auf die Blasdüse aus Fig. 4.
In the drawing, two embodiments of the blowing nozzle according to the invention are shown, and that shows
  • 1 shows a cross section through a first embodiment of the blowing nozzle,
  • 2 shows a partial cross section through the blow nozzle in the area of the lips forming the blow-out slot, the cleaning element being in a different position from FIG. 1,
  • 3 is a view of the blow nozzle of FIGS. 1 and 2 from the front,
  • Fig. 4 shows a cross section through a second embodiment of the blow nozzle according to the invention and
  • 5 is a top view of the blow nozzle of FIG. 4.

Die in Fig. 1 bis 3 dargestellte Blasdüse 1 hat einen in der Grundform zylindrischen Körper 2, an den sich tangential plattenartige Lippen 3 und 4 einstückig anschließen, die in geringem Abstand voneinander enden, so daß sie einen sich über die Länge der Blasdüse 1 erstreckenden Ausblasschlitz 5 bilden und begrenzen. Es ist erkennbar, daß die untere Lippe 4 beim dargestellten Ausführungsbeispiel etwa horizontal verläuft, wobei ihre Innenseite die Unterseite des Ausblasschlitzes 5 begrenzt. Die schrägstehende andere Lippe 3 begrenzt den Ausblasschlitz 5 mit ihrem äußeren Ende.The blowing nozzle 1 shown in Fig. 1 to 3 has a cylindrical body 2 in the basic form, to which tangentially plate-like lips 3 and 4 connect in one piece, which end at a short distance from one another, so that they extend over the length of the blowing nozzle 1 Form and limit blowout slot 5. It can be seen that the lower lip 4 extends approximately horizontally in the exemplary embodiment shown, its inside delimiting the underside of the blow-out slot 5. The sloping other lip 3 limits the blow-out slot 5 with its outer end.

Auf der Innenseite der Lippe 4 liegt ein sich über die gesamte Länge des Ausblasschlitzes 5 erstreckendes Blech 6 auf, das als plattenförmiges Reinigungselement ausgebildet ist und entsprechend dem in Fig. 1 gezeigten Pfeil 7 vor und zurückgeschoben werden kann. In Fig. 1 ist das Blech 6 in seiner am weitesten zurückgezogenen Lage dargestellt, während Fig. 2 das Blech 6 in der ausgefahrenen Position zeigt, in der es durch den Ausblasschlitz 5 nach vorne herausgeschoben worden ist. Auf diese Weise können Verunreinigungen, die sich im Ausblasschlitz 5 absetzen, ausgeschoben werden. Die Dicke des Bleches 6 entspricht etwa der Höhe des Ausblasschlitzes 5, so daß durch einmaliges Ausfahren des Bleches 6 aus dem Ausblasschlitz 5 dieser von allen in ihm befindlichen Verunreinigungen befreit werden kann.On the inside of the lip 4 there is a sheet 6 extending over the entire length of the blow-out slot 5, which is designed as a plate-shaped cleaning element and can be pushed back and forth in accordance with the arrow 7 shown in FIG. 1. In Fig. 1, the sheet 6 is shown in its most retracted position, while Fig. 2 shows the sheet 6 in the extended position in which it has been pushed out through the blowout slot 5 to the front. In this way, contaminants that settle in the blow-out slot 5 can be pushed out. The thickness of the sheet 6 corresponds approximately to the height of the blow-out slot 5, so that by pulling the sheet 6 out of the blow-out slot 5 once, it can be freed of all impurities contained in it.

Zum Verstellen des Bleches 6 sind beim Ausführungsbeispiel gemäß Fig. 1 bis 3 zwei Stellstangen 7 vorgesehen, die im Abstand parallel nebeneinander angeordnet und in buchsenförmigen Lagern 8 und 9 um ihre Längsachse drehbar gelagert sind. Bei den Lagern 8 und 9 kann es sich um wartungsfreie Lagerbüchsen handeln. Das Lager 8 ist in der Wand des Körpers 2 angeordnet, während sich das Lager 9 in einem Auge 10 befindet, welches an der Innenwand des Körpers 2 angebracht ist und im Abstand über der Lippe 4 liegt.For adjusting the sheet 6, two adjusting rods 7 are provided in the exemplary embodiment according to FIGS. 1 to 3, which are arranged parallel and next to one another at a distance and are rotatably mounted about their longitudinal axis in bush-shaped bearings 8 and 9. Bearings 8 and 9 can be maintenance-free bearing bushes. The bearing 8 is arranged in the wall of the body 2, while the bearing 9 is located in an eye 10 which is attached to the inner wall of the body 2 and lies at a distance above the lip 4.

Am unteren Ende jeder Stellstange 7 ist unterhalb des Auges 10 ein horizontal verlaufender Hebel 11 mit seinem einen Ende befestigt. Am anderen Ende dieses Hebels ist auf der Unterseite desselben eine Rolle 12 drehbar gelagert, die in eine auf der Oberseite des Bleches 6 befindliche Aufnahme 13 eingreift. Dieser Hebel 11 wirkt als Exzenter, um bei Verdrehen der entsprechenden Stellstange 7 das Blech 6 zwischen den in Fig. 1 und 2 dargestellten Endpositionen zu verschieben.At the lower end of each control rod 7, a horizontally extending lever 11 is attached at one end below the eye 10. At the other end of this lever is one on the bottom of the same Roller 12 rotatably mounted, which engages in a receptacle 13 located on the top of the sheet 6. This lever 11 acts as an eccentric to move the sheet 6 between the end positions shown in FIGS. 1 and 2 when the corresponding adjusting rod 7 is rotated.

Am oberen Ende jeder Stellstange 7 sind außerhalb des Lagers 8 und damit auf der Außenseite des Körpers 2 übereinander zwei Kettenräder 14 und 15 angeordnet, die drehfest mit der betreffenden Stellstange verbunden sind. Über jedes Kettenrad 14 und 15 läuft eine Kette 16 bzw. 17, wobei die Kette 16 die entsprechenden Kettenräder 14 der.beiden Stellstangen 7 und die Kette 17 die Kettenräder 15 der beiden Stellstangen 7 verbindet. Die Ketten 16 und 17 bilden mit den horizontal angeordneten Kettenrädern 14 und 15 den Drehantrieb für die beiden Stellstangen 7, wobei durch die gegenseitige Verkoppelung die beiden Stellstangen stets gleichzeitig verdreht werden.At the upper end of each control rod 7, two sprockets 14 and 15 are arranged one above the other outside of the bearing 8 and thus on the outside of the body 2, and are connected in a rotationally fixed manner to the relevant control rod. A chain 16 and 17 runs over each sprocket 14 and 15, the chain 16 connecting the corresponding sprockets 14 of the two adjusting rods 7 and the chain 17 connecting the sprockets 15 of the two adjusting rods 7. The chains 16 and 17, together with the horizontally arranged chain wheels 14 and 15, form the rotary drive for the two adjusting rods 7, the two adjusting rods always being rotated simultaneously by the mutual coupling.

Das hintere Trum jeder Kette 16 und 17 ist unterbrochen, wobei die entsprechenden Enden jeweils an einem Kettenspanner 18 bzw. 19 angebracht sind. Zwischen den Kettenspannern 18 und 19 befindet sich ein pneumatischer Zylinder 20, der auf der Außenseite des Körpers 2 der Blasdüse 1 befestigt ist. Die Kettenspanner 18 und 19 sind an den aus den beiden Enden des pneumatischen Zylinders 20 herausragenden Enden der Kolbenstange 21 des pneumatischen Zylinders angebracht. Somit sind die beiden Ketten 16 und 17 mit dem im pneumatischen Zylinder 20 verschiebbaren , hier nicht gezeigten Stellkolben verbunden. Je nachdem welche Seite des Stellkolbens mit Druckmittel beaufschlagt bzw. druckentlastet wird, werden die Ketten in der einen oder anderen Richtung verschoben, so daß über die Kettenräder 14 und 15 die beiden Stellstangen 7 entsprechend verdreht werden, um das Blech 6 aus der zurückgezogenen Position in den Ausblasschlitz 5 auszuschieben bzw. wieder zurückzuziehen. Befindet sich das Blech 6 in der in Fig. 1 dargestellten zurückgezogenen Position, braucht keine Seite des Stellkolbens des pneumatischen Zylinders 20 mit Druckmittel beaufschlagt zu werden. Vielmehr ist eine Druckmittelbeaufschlagung nur dann notwendig, wenn der Stellkolben zum Verstellen des Bleches 6 verschoben werden soll.The rear run of each chain 16 and 17 is interrupted, the respective ends being attached to a chain tensioner 18 and 19, respectively. Between the chain tensioners 18 and 19 there is a pneumatic cylinder 20 which is attached to the outside of the body 2 of the blow nozzle 1. The chain tensioners 18 and 19 are attached to the ends of the piston rod 21 of the pneumatic cylinder which protrude from the two ends of the pneumatic cylinder 20. Thus, the two chains 16 and 17 are connected to the actuating piston which is displaceable in the pneumatic cylinder 20 and is not shown here. Whichever Side of the actuating piston is pressurized or relieved of pressure, the chains are shifted in one direction or the other, so that the two adjusting rods 7 are rotated accordingly via the sprockets 14 and 15 in order to move the plate 6 from the retracted position into the blowout slot 5 push out or pull back. If the sheet 6 is in the retracted position shown in FIG. 1, no pressure medium need be applied to one side of the actuating piston of the pneumatic cylinder 20. Rather, pressure medium is only necessary if the actuating piston is to be displaced in order to adjust the plate 6.

Beim Ausführungsbeispiel gemäß Fig. 4 und 5 hat die Blasdüse 31 wiederum einen in der Grundform zylindrischen Körper 32, an den sich tangential einstückig plattenartige Lippen 33 und 34 anschließen, die einen über die Länge des Körpers 32 verlaufenden Ausblasschlitz 35 bilden und begrenzen. Auf der Innenseite der etwa horizontal verlaufenden unteren Lippe 34 liegt ein zungenartiges Blech 36 auf, das mit seiner äußeren Spitze 37 ständig aus dem Ausblasschlitz 35 herausragt, wie insbesondere Fig. 5 zeigt, aber auch in Fig. 4 zu erkennen ist. Fig. 5 zeigt ferner, daß das zungenartige Blech 36 verhältnismäßig schmal ist und sich dementsprechend nur über einen geringen-Teil der Länge des Ausblasschlitzes 35 erstreckt.In the exemplary embodiment according to FIGS. 4 and 5, the blow nozzle 31 in turn has a body 32 which is cylindrical in its basic form, to which plate-like lips 33 and 34 adjoin tangentially in one piece and which form and limit a blowout slot 35 which extends over the length of the body 32. On the inside of the approximately horizontally extending lower lip 34 there is a tongue-like sheet 36, which constantly protrudes with its outer tip 37 from the blow-out slot 35, as shown in particular in FIG. 5, but can also be seen in FIG. 4. Fig. 5 also shows that the tongue-like sheet 36 is relatively narrow and accordingly extends only over a small part of the length of the blow-out slot 35.

Innerhalb des Körpers 32 ist ein Drahtseil 38 vorgesehen, das über Umlenkräder 39, 40 und 41 und Antriebsrad 42 gespannt geführt ist. Fig. 4 zeigt, daß die Umlenkräder 39 und 40 an einem Block 43 gelagert sind, der an der Stirnwand 44 des Körpers 32 befestigt ist. Das Umlenkrad 41 ist in nicht näher dargestellter Weise innerhalb des Körpers 32 gelagert, beispielsweise unmittelbar an der Innenseite der Lippe 34.A wire cable 38 is provided inside the body 32 and is guided over deflection wheels 39, 40 and 41 and Drive wheel 42 is tensioned. Fig. 4 shows that the guide wheels 39 and 40 are mounted on a block 43 which is fixed to the end wall 44 of the body 32. The deflection wheel 41 is mounted in a manner not shown in the body 32, for example directly on the inside of the lip 34.

Das Antriebsrad 42 ist auf einer Welle 45 befestigt, die sich durch ein Lagergehäuse 46 erstreckt und in diesem gelagert ist. Auf der Außenseite der Welle 46 ist ein Handrad 47 befestigt, mit dessen Hilfe das Drahtseil 38 bewegt werden kann, wenn das als Reinigungselement dienende zungenartige Blech 36 entlang dem Ausblasschlitz 35 verfahren werden soll.The drive wheel 42 is fastened on a shaft 45 which extends through a bearing housing 46 and is supported therein. A handwheel 47 is fastened on the outside of the shaft 46, by means of which the wire cable 38 can be moved when the tongue-like sheet 36 serving as a cleaning element is to be moved along the blowout slot 35.

Das Drahtseil 38 braucht sich nicht über die gesamte Länge des Körpers 32 zu erstrecken. Vielmehr wäre es auch denkbar, an beiden Enden des Körpers 32 eine Anordnung wie in Fig. 5 gezeigt anzubringen, so daß dann zwei als Reinigungselemente dienende zungenartige Bleche 36 jeweils etwa über die Hälfte des Ausblasschlitzes 35 verschoben werden können.The wire rope 38 need not extend the entire length of the body 32. Rather, it would also be conceivable to arrange at both ends of the body 32 an arrangement as shown in FIG. 5, so that then two tongue-like plates 36 serving as cleaning elements can each be displaced about half of the blow-out slot 35.

Claims (8)

1.) Blasdüse zum Abblasen von Flüssigkeiten von Oberflächen, beispielsweise einer Blechoberfläche, mit einem rohrförmigen Körper, an dessen Mantel etwa tangential angeschlossene , aufeinander zu verlaufende plattenartige Lippen zur Bildung eines achsparallel zum Körper ver- laufenden Ausblasschlitzes angebracht sind, und mit einem in dem Körperangeordneten, relativ zum Ausblasschlitz verschiebbaren plattenförmigen Reinigungselement , dadurch gekennzeichnet, daß das Reinigungselement (6;36) an einem Getriebe (7 bis 17;38) angebracht ist, das von einem außerhalb des Körpers (2;32) vorgesehenen Antrieb (20;47) zu betätigen ist.1) blowing nozzle for blowing of liquids from surfaces, for example a sheet surface, comprising a tubular body, approximately tangentially connected to its casing, towards each other extending plate-like lips to form an axially parallel ver to the body - are arranged running Ausblasschlitzes, and with a in the Body-arranged, plate-shaped cleaning element which is displaceable relative to the blow-out slot, characterized in that the cleaning element (6; 36) is attached to a gear (7 to 17; 38) which is driven by a drive (20; 47) provided outside the body (2; 32) ) is to be operated. 2.) Blasdüse nach Anspruch 1, dadurch gekennzeichnet, daß das Getriebe wenigstens zwei senkrecht zum Reinigungselement (6) verlaufende Stellstangen (7) aufweist, die jeweils mit einem mit dem Reinigungselement verbundenen Exzenterhebel (11) versehen und um ihre Längsachse verdrehbar gelagert sind.2.) Blower nozzle according to claim 1, characterized in that the transmission has at least two perpendicular to the cleaning element (6) extending control rods (7), each provided with an eccentric lever (11) connected to the cleaning element and rotatably mounted about its longitudinal axis. 3.) Blasdüse nach Anspruch'2,dadurch gekennzeichnet, daß jeder Exzenterhebel (11) mit einer ' Rolle (12) in eine auf dem Reinigungselement (6) angeordnete Aufnahme (13) eingreift.3.) Blower nozzle according to claim 2, characterized in that each eccentric lever (11) engages with a roller (12) in a receptacle (13) arranged on the cleaning element (6). 4.) Blasdüse nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Stellstangen (7) mit ihrem einen Ende aus dem Körper (2) herausragen und diese Enden mit einem gemeinsamen Antrieb (20) verbunden sind.4.) Blower nozzle according to claim 2 or 3, characterized in that the adjusting rods (7) protrude with one end from the body (2) and these ends are connected to a common drive (20). 5.) Blasdüse nach Anspruch 4, dadurch gekennzeichnet, daß die äußeren Enden der Stellstangen (7) über einen Kettentrieb (14 bis 17) mit einem als Antrieb dienenden pneumatischen Zylinder (20) verbunden sind.5.) Blower nozzle according to claim 4, characterized in that the outer ends of the adjusting rods (7) via a chain drive (14 to 17) are connected to a pneumatic cylinder (20) serving as a drive. 6.) Blasdüse nach Anspruch 1, dadurch gekennzeichnet, daß das Reinigungselement ein zungenartiges Blech (36) ist, das ständig in den Ausblasschlitz (35) eingreift und das entlang dem Ausblasschlitz verschiebbar ist.6.) Blower nozzle according to claim 1, characterized in that the cleaning element is a tongue-like plate (36) which constantly engages in the blow-out slot (35) and which is displaceable along the blow-out slot. 7.) Blasdüse nach Anspruch 6, dadurch gekennzeichnet, daß das zungenartige Blech (36) an einem parallel zum Ausblasschlitz (35) verlaufenden und über Umlenkrollen (39 bis 42) geführten Seil (38) angebracht ist.7.) Blower nozzle according to claim 6, characterized in that the tongue-like plate (36) on a parallel to the blowout slot (35) extending and via deflection rollers (39 to 42) guided rope (38) is attached. 8.) Blasdüse nach Anspruch 7 , dadurch gekennzeichnet, daß das Seil'(38) von einem auf der Außenseite des Körpers (32) angeordneten Handrad (47) zu betätigen ist.8.) Blower nozzle according to claim 7, characterized in that the cable '(38) is to be actuated by a handwheel (47) arranged on the outside of the body (32).
EP83108610A 1982-09-14 1983-09-01 Spray nozzle for the removal of liquids from surfaces Expired EP0103238B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108610T ATE32839T1 (en) 1982-09-14 1983-09-01 BLOW NOZZLE FOR BLOWING LIQUIDS OFF SURFACES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823233963 DE3233963A1 (en) 1982-09-14 1982-09-14 BLOW NOZZLE FOR BLOWING OFF LIQUIDS FROM SURFACES
DE3233963 1982-09-14

Publications (3)

Publication Number Publication Date
EP0103238A2 true EP0103238A2 (en) 1984-03-21
EP0103238A3 EP0103238A3 (en) 1985-07-10
EP0103238B1 EP0103238B1 (en) 1988-03-09

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ID=6173123

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Application Number Title Priority Date Filing Date
EP83108610A Expired EP0103238B1 (en) 1982-09-14 1983-09-01 Spray nozzle for the removal of liquids from surfaces

Country Status (5)

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US (1) US4535936A (en)
EP (1) EP0103238B1 (en)
JP (1) JPS5976567A (en)
AT (1) ATE32839T1 (en)
DE (2) DE3233963A1 (en)

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DE19814490A1 (en) * 1998-04-01 1999-10-07 Voith Sulzer Papiertech Patent Stoppage avoiding method for nozzle, especially for paper web or cardboard in applying glue, pigments or coatings with color stripes, through fountain applicator
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US8814067B2 (en) * 2011-04-28 2014-08-26 Maxum Llc Optimized air delivery apparatus
CN111889299B (en) * 2020-07-30 2021-07-20 浙江科技学院 High-transfer-performance thermal sublimation paper coating process and device
CN112474191B (en) * 2020-11-16 2021-11-09 深圳市曼恩斯特科技股份有限公司 Slit coating die head
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Also Published As

Publication number Publication date
JPH02979B2 (en) 1990-01-10
JPS5976567A (en) 1984-05-01
DE3233963A1 (en) 1984-03-15
US4535936A (en) 1985-08-20
EP0103238A3 (en) 1985-07-10
DE3375881D1 (en) 1988-04-14
EP0103238B1 (en) 1988-03-09
ATE32839T1 (en) 1988-03-15

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