EP2106298B1 - Cleaning device for cleaning spray guns - Google Patents

Cleaning device for cleaning spray guns Download PDF

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Publication number
EP2106298B1
EP2106298B1 EP08805087A EP08805087A EP2106298B1 EP 2106298 B1 EP2106298 B1 EP 2106298B1 EP 08805087 A EP08805087 A EP 08805087A EP 08805087 A EP08805087 A EP 08805087A EP 2106298 B1 EP2106298 B1 EP 2106298B1
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EP
European Patent Office
Prior art keywords
cleaning
cleaning device
nozzle
spray gun
compressed air
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.)
Active
Application number
EP08805087A
Other languages
German (de)
French (fr)
Other versions
EP2106298A1 (en
Inventor
Ewald Schmon
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.)
SATA GmbH and Co KG
Original Assignee
SATA GmbH and Co KG
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 SATA GmbH and Co KG filed Critical SATA GmbH and Co KG
Priority to PL08805087T priority Critical patent/PL2106298T3/en
Publication of EP2106298A1 publication Critical patent/EP2106298A1/en
Application granted granted Critical
Publication of EP2106298B1 publication Critical patent/EP2106298B1/en
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Classifications

    • 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
    • B05B15/50—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
    • 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
    • B05B15/557—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 the cleaning fluid being a mixture of gas and liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • 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
    • B05B15/555—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 discharged by cleaning nozzles

Definitions

  • the invention relates to a cleaning device for cleaning spray guns according to the preamble of claim 1.
  • the cleaning device according to the invention is used for manual quick cleaning of spray guns, in particular paint spray guns.
  • a cleaning of the spray gun is required in a color change.
  • this quick cleaning during color change can be carried out with the cleaning device according to the invention.
  • the spray gun is expediently subjected to intensive full cleaning, which is usually carried out in a cleaning machine.
  • Such automatic cleaning machines for automated intensive cleaning of spray guns are known from the prior art, for example from the US 2002/0 170 978 , of the DE 201 14 257 U1 , of the WO 02/18061 A1 and the EP 1602412 A1 ,
  • a cleaning device for paint spraying equipment such.
  • B. paint spray guns which has a housing for receiving the paint spraying devices, wherein the housing has cleaning nozzles and the cleaning nozzles are connected by a hose with a pneumatically operating conveyor.
  • the conveyor communicates with two containers for receiving clean and contaminated cleaning fluid.
  • a nozzle is provided on which a paint spray gun to be cleaned can be placed.
  • a cleaning liquid which usually contains solvent, is injected through nozzles into the paint spraying channel of the paint spray gun in order to free the paint spraying channel from paint or paint residues.
  • the spray gun In addition to cleaning the paint spray channel, the spray gun is also cleaned from the outside, in which cleaning liquid is sprayed onto the spray gun via nozzles.
  • a cleaning brush is further provided, which is connected by a hose to a pump. This brush is for manual cleaning of the spray gun, whereby the supply of cleaning liquid is stopped to the cleaning nozzles when cleaning liquid is conveyed to the cleaning brush.
  • the spray gun can thus be cleaned either automatically or manually with the cleaning brush. In the manual cleaning of the spray gun by means of the cleaning brush, however, only a cleaning of the outer surface of the spray gun. Cleaning the paint spray channel is not feasible.
  • the invention is therefore based on the object to provide a cleaning device for manual cleaning of spray guns, with both parts of the outer surface, in particular the air nozzle of the spray gun, as well as lying in the interior of the spray gun body spray can be cleaned as efficiently and environmentally friendly.
  • the in the Figures 1 and 2 shown cleaning device know a housing 6, which is suitably made of metal, in particular made of stainless steel sheet.
  • a control device 10 is arranged, which in detail in FIG. 4 is shown and described in more detail below.
  • the housing 6 inside three chambers on, namely a first upper chamber 7 and a second upper chamber 8, which are separated by an intermediate wall 21 from each other.
  • a third chamber 20 is arranged, wherein the two upper chambers 7, 8 are separated from the lower chamber 20 by a bottom 17 of the first chamber 7 and a bottom 19 of the second chamber 8.
  • the first chamber 7 is used for manual cleaning of a spray gun with a cleaning liquid.
  • the cleaned spray gun can be dried.
  • the first container 4 serves to receive clean cleaning liquid.
  • the cleaning liquid used in the cleaning process is collected so that it can be recycled and, if necessary, a treatment can be supplied.
  • the bottoms 17, 19 of the two upper chambers 7, 8 are trough-shaped and a drain 18 is provided in the bottom 17, through which the drains in the trough-shaped bottoms 17 , 19 collected cleaning liquid can flow into the collecting container 5 arranged underneath.
  • the lower chamber 20 can be closed by a housing cover 22, which is pivotably connected to the housing 6.
  • a cleaning nozzle 1 formed by a hose section of a plastic hose is arranged, which communicates with a conveying device 2.
  • the conveying device 2 comprises a pump, in particular an injector pump acting as a water jet pump, which draws cleaning liquid from the reservoir 4 via a suction hose 16 and conveys it to the cleaning nozzle 1.
  • a Reibquess réelle 3 is fixedly disposed below the cleaning nozzle 1, which in the drawing shown here Embodiment is formed by a cylindrical cleaning brush.
  • the friction cleaning device 3 may also be a cleaning brush or a cleaning sponge.
  • the cleaning brush is arranged obliquely with respect to the longitudinal axis of the cleaning nozzle below the mouth of the cleaning nozzle 1.
  • the cleaning brush is arranged so that its longitudinal axis with the longitudinal axis of the cleaning nozzle 1 at an angle of 30 ° to 60 °, preferably 45 °, includes, as in FIG. 4 seen.
  • the cleaning brush is fixedly installed in the housing 6, its position and position with respect to the mouth of the cleaning nozzle 1 is suitably adjustable, for which purpose either of the cleaning nozzle 1 forming hose section from the housing part to which the cleaning nozzle 1 is attached, pulled out or hineschiebbar is and / or what the cleaning brush is pivotally hinged to the housing part ( FIG. 4 ).
  • the cleaning brush is flexible or resilient. The cleaning brush may in particular be resiliently secured against a restoring force on the housing part.
  • a splash guard 23 is arranged in front of the cleaning nozzle 1 and the cleaning brush 3.
  • control device 10 In the second chamber 8 is acted upon with drying air drying nozzle 9 is arranged, which is like the cleaning nozzle 1 formed by a hose portion of a plastic tube.
  • a control device 10 Above the two chambers 7, 8, a control device 10 is provided, with which the functions of the cleaning device can be controlled.
  • control device 10 In the FIG. 5 in detail in a view from above (with the housing cover open) shown control device 10 know a cuboid housing 25, which by a in FIG. 5 not shown lid is closed.
  • a compressed air inlet 11 and a compressed air outlet 12 are provided in the side parts of the housing connecting pieces for a compressed air inlet 11 and a compressed air outlet 12 are provided.
  • the compressed air inlet 11 is connected to a compressor.
  • Compressed air is supplied to the compressed air outlet 12 via a compressed air line, for which purpose one end of the compressed air line is connected to the compressed air outlet 12 and the other end to the compressed air inlet of the spray gun.
  • a pressure reducer 13 is provided, with which the pending on the connected spray gun S air pressure is controlled.
  • a selector switch 14 is provided to control the pressure applied to the spray gun air pressure on the front of the housing 25, . With this selector switch 14, the function between a cleaning function and a spraying function can be selected. In the spraying function, the full air pressure present at the compressed air inlet 11 is present at the compressed air outlet 12 and thus the attached spray gun available.
  • the connected spray gun S for spraying liquid, in particular for painting in a conventional manner can be used.
  • the function of the cleaning device is switched by means of the selector switch 14 in the cleaning function.
  • the air pressure present at the compressed air outlet 12 is throttled by the pressure reducer 13 in relation to the air pressure at the compressed air inlet 11.
  • 2 cleaning liquid is conveyed from the reservoir 4 into the spray nozzle 1 in the cleaning function by the conveyor.
  • it is introduced into the first chamber 7 when the cleaning function is set on the cleaning device and arranged there such that the cleaning liquid flowing out of the cleaning nozzle 1 can flow into the spray channel, in particular into the paint inlet channel of the spray gun, as in FIG FIG.
  • the spray gun S as in FIG. 3 arranged below the mouth of the cleaning nozzle 1 and the hose end of the cleaning nozzle 1 is inserted into the paint inlet channel of the spray gun S.
  • the front touches the spray gun on which the removable air nozzle is arranged, the cleaning brush 3.
  • the spray gun is manually moved back and forth and / or back and forth, so the surface in particular of the removable air nozzle rubs against the cleaning brush 3.
  • paint residues are removed from the surface of the spray gun by friction. In this way, the spray gun S during the cleaning process both externally and in the interior, ie in the spray channel cleaned.
  • the conveyor 2 compressed air is supplied, which mixes them with the cleaning liquid from the reservoir 4.
  • the conveying device 2 preferably has an injector pump embodied as a water jet pump, which is connected to the compressed air inlet 11 via a pressure reducer 15 arranged in the housing 25 of the control device. This operated by the compressed air from the compressed air inlet 11 water jet pump promotes cleaning liquid through the suction hose 16 from the reservoir 4 and mixes them simultaneously with the compressed air, whereby the detergent-air mixture is formed, with which the cleaning nozzle 1 is acted upon in the cleaning function of the device.
  • the cleaned spray gun is dried by means of thekowskiblasdüse 9, for which purpose the spray gun S is held in the air flow of thekowskiblasdüse 9.
  • an operating knob 24 is provided, which can flow when actuated compressed air from the compressed air inlet 11 via a bypass channel 26 in thekowskiblasdüse 9.
  • liquid residues of the cleaning liquid are removed from the surface of the spray gun and also from the spray channel.
  • the liquid droplets of the cleaning liquid dripping from the spray gun S are collected in the trough-shaped bottom 19 of the second chamber 8.
  • the bottom 19 of the chamber 8 is inclined with respect to the bottom 17 of the opposite chamber 7, so that the liquid residues collecting in the bottom 19 can flow to the bottom 17 and through the drain 18 into the collecting container 5.
  • the spray gun S is removed again from the second chamber 8 and the cleaning device is changed over at the selector switch 14 in the spray function.
  • the manually cleaned spray gun S can then be used again for spraying liquid, in particular for painting.
  • the detergent supply is turned off in the cleaning nozzle 1 and at the same time the full air pressure available at the compressed air inlet 11 at the compressed air outlet 12 is applied.
  • the control device 10 from the housing 6 is removable. Thereby, the controller 10 for repair or maintenance of the housing 6, which is suitably attached to the wall, be removed.
  • the housing 25 of the control device 10 is covered with a housing cover, wherein the housing cover preferably has edge-side upwardly projecting walls.
  • the cover of the housing 25 can thereby be used as a storage surface for spray equipment accessories, such as paint cups.
  • Another storage surface for sprayers or accessories is formed by the hinged on the housing 6 flap 22, on the in the open position ( FIG. 2 ) Such parts or the container 4, 5 can be turned off when changing containers.
  • the collecting container 5 has a lid for closing the container, wherein the lid has a flange for connection to the drain 18.
  • the cleaning liquid which has collected in the trough-shaped bottom 17 and drains off through the drain 18 can flow directly into the collecting container 5.
  • a hose is flanged to the drain 18, which leads the draining cleaning liquid into a larger collecting tank, which can be arranged below the cleaning device or next to the cleaning device.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Nozzles (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to a cleaning device for cleaning spray guns, particularly paint spray guns, having at least one cleaning nozzle connected to a transport device for cleaning fluid, and having a frictional cleaning device for manually cleaning the spray guns or parts thereof. Known cleaning devices of such a type can only insufficiently clean the paint spray channel. The object of providing a cleaning device by means of which parts of both the outer surface and the paint spray channel can be efficiently and environmentally soundly cleaned is achieved in that the cleaning nozzle is disposed near and above the frictional cleaning device, so that cleaning fluid can be sprayed through the cleaning nozzle into and/or on the spray gun, and the spray gun, and particularly the spray gun nozzle, can be simultaneously manually cleaned by friction using the frictional cleaning device.

Description

Die Erfindung betrifft eine Reinigungsvorrichtung zur Reinigung von Spritzpistolen nach dem Oberbegriff des Anspruchs 1.The invention relates to a cleaning device for cleaning spray guns according to the preamble of claim 1.

Die erfindungsgemäße Reinigungsvorrichtung wird zur manuellen Schnellreinigung von Spritzpistolen, insbesondere von Farbspritzpistolen verwendet. Beim Lackiervorgang ist häufig ein Farbwechsel erforderlich. Damit keine Farb- bzw. Lackreste des zuvor verwendeten Lacks in der Spritzpistole verbleiben, ist bei einem Farbwechsel eine Reinigung der Spritzpistole erforderlich. Insbesondere diese Schnellreinigung beim Farbwechsel kann mit der erfindungsgemäßen Reinigungsvorrichtung durchgeführt werden. Nach Beendigung des Lackiervorgangs wird die Spritzpistole zweckmäßigerweise einer intensiven Vollreinigung unterzogen, welche üblicherweise in einem Reinigungsautomaten durchgeführt wird. Solche Reinigungsautomaten zur automatisierten Intensiv-Reinigung von Spritzpistolen sind aus dem Stand der Technik bekannt, beispielsweise aus der US 2002/0 170 978 , der DE 201 14 257 U1 , der WO 02/18061 A1 und der EP 1602412 A1 .The cleaning device according to the invention is used for manual quick cleaning of spray guns, in particular paint spray guns. When painting a color change is often required. So that no paint or paint residues of the previously used paint remain in the spray gun, a cleaning of the spray gun is required in a color change. In particular, this quick cleaning during color change can be carried out with the cleaning device according to the invention. After completion of the painting process, the spray gun is expediently subjected to intensive full cleaning, which is usually carried out in a cleaning machine. Such automatic cleaning machines for automated intensive cleaning of spray guns are known from the prior art, for example from the US 2002/0 170 978 , of the DE 201 14 257 U1 , of the WO 02/18061 A1 and the EP 1602412 A1 ,

Aus der DE 201 14 257 U1 ist eine Reinigungsvorrichtung für Farbspritzgeräte, wie z. B. Farbspritzpistolen bekannt, welches über ein Gehäuse zur Aufnahme der Farbspritzgeräte verfügt, wobei das Gehäuse Reinigungsdüsen aufweist und die Reinigungsdüsen durch einen Schlauch mit einer pneumatisch arbeitenden Fördereinrichtung in Verbindung stehen. Die Fördereinrichtung steht mit zwei Behältern zur Aufnahme von sauberer und verunreinigter Reinigungsflüssigkeit in Verbindung. Im Gehäuse ist ein Düsenstock vorgesehen, auf den eine zu reinigende Farbspritzpistole aufgesetzt werden kann. Zur Reinigung der Farbspritzpistole wird eine Reinigungsflüssigkeit, welche üblicherweise lösemittelhaltig ist, durch Düsen in den Farbspritzkanal der Farbspritzpistole gespritzt, um den Farbspritzkanal von Farb- bzw. Lackresten zu befreien. Zusätzlich zur Reinigung des Farbspritzkanals wird die Spritzpistole auch von außen gereinigt, in dem Reinigungsflüssigkeit über Düsen auf die Spritzpistole gespritzt wird. Bei der aus der DE 201 14 257 U1 bekannten Reinigungsvorrichtung ist ferner ein Reinigungspinsel vorgesehen, der durch einen Schlauch mit einer Pumpe verbunden ist. Dieser Pinsel dient zur manuellen Reinigung der Spritzpistole, wobei die Zufuhr von Reinigungsflüssigkeit zu den Reinigungsdüsen gestoppt wird, wenn Reinigungsflüssigkeit zu dem Reinigungspinsel gefördert wird. Mit dieser Reinigungsvorrichtung kann die Spritzpistole also entweder automatisch oder manuell mit dem Reinigungspinsel gereinigt werden. Bei der manuellen Reinigung der Spritzpistole mittels des Reinigungspinsels erfolgt allerdings lediglich eine Reinigung der äußeren Oberfläche der Spritzpistole. Eine Reinigung des Farbspritzkanals ist dabei nicht durchführbar.From the DE 201 14 257 U1 is a cleaning device for paint spraying equipment, such. B. paint spray guns, which has a housing for receiving the paint spraying devices, wherein the housing has cleaning nozzles and the cleaning nozzles are connected by a hose with a pneumatically operating conveyor. The conveyor communicates with two containers for receiving clean and contaminated cleaning fluid. In the housing, a nozzle is provided on which a paint spray gun to be cleaned can be placed. To clean the paint spray gun, a cleaning liquid, which usually contains solvent, is injected through nozzles into the paint spraying channel of the paint spray gun in order to free the paint spraying channel from paint or paint residues. In addition to cleaning the paint spray channel, the spray gun is also cleaned from the outside, in which cleaning liquid is sprayed onto the spray gun via nozzles. At the time of the DE 201 14 257 U1 known cleaning device, a cleaning brush is further provided, which is connected by a hose to a pump. This brush is for manual cleaning of the spray gun, whereby the supply of cleaning liquid is stopped to the cleaning nozzles when cleaning liquid is conveyed to the cleaning brush. With this Cleaning device, the spray gun can thus be cleaned either automatically or manually with the cleaning brush. In the manual cleaning of the spray gun by means of the cleaning brush, however, only a cleaning of the outer surface of the spray gun. Cleaning the paint spray channel is not feasible.

Aus der EP 1602412 A1 ist ebenfalls eine gattungsgemäße Reinigungsvorrichtung für Spritzpistolen bekannt, bei der zur manuellen Reinigung der Spritzpistole ein an einem Schlauch befestigter Reinigungspinsel vorgesehen ist. Auch bei dieser bekannten Vorrichtung erfolgt lediglich eine manuelle Reinigung der äußeren Oberfläche der Spritzpistole. Eine gleichzeitige Reinigung des Farbspritzkanals der Spritzpistole ist dabei nicht durchführbar.From the EP 1602412 A1 a generic cleaning device for spray guns is also known, in which a cleaning brush attached to a hose is provided for manual cleaning of the spray gun. Also in this known device, only a manual cleaning of the outer surface of the spray gun is done. A simultaneous cleaning of the spray paint channel of the spray gun is not feasible.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Reinigungsvorrichtung zur manuellen Reinigung von Spritzpistolen bereitzustellen, mit der sowohl Teile der äußeren Oberfläche, insbesondere die Luftdüse der Spritzpistole, als auch der im Innern des Spritzpistolenkörpers liegende Spritzkanal möglichst effizient und umweltschonend gereinigt werden kann.The invention is therefore based on the object to provide a cleaning device for manual cleaning of spray guns, with both parts of the outer surface, in particular the air nozzle of the spray gun, as well as lying in the interior of the spray gun body spray can be cleaned as efficiently and environmentally friendly.

Gelöst wird diese Aufgabe mit einer Reinigungsvorrichtung mit den Merkmalen des Anspruchs 1. Bevorzugte Ausführungsbeispiele dieser Reinigungsvorrichtung sind den Unteransprüchen zu entnehmen.This object is achieved with a cleaning device having the features of claim 1. Preferred embodiments of this cleaning device can be found in the dependent claims.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels unter Bezugnahme auf die begleitenden Zeichnungen näher erläutert. Die Zeichnungen zeigen:

  • Figur 1 : Perspektivische Darstellung einer erfindungsgemäßen Reinigungsvorrichtung bei geschlossenem Gehäusedeckel;
  • Figur 2 : Forderansicht der Reinigungsvorrichtung von Figur 1 bei geöffnetem Gehäusedeckel;
  • Figur 3 : Detaildarstellung der Reinigungseinheit der Reinigungsvorrichtung von Figur 1 in einer Seitenansicht und mit einer zu reinigenden Spritzpistole;
  • Figur 4 : Seitenansicht der Reinigungseinheit der Reinigungsvorrichtung von Figur 1;
  • Figur 5 : Darstellung der Steuereinrichtung der Reinigungsvorrichtung von Figur 1 in einer Ansicht von oben bei geöffnetem Deckel des Steuereinrichtungsgehäuses.
The invention will be explained in more detail with reference to an embodiment with reference to the accompanying drawings. The drawings show:
  • FIG. 1 : Perspective view of a cleaning device according to the invention with the housing cover closed;
  • FIG. 2 : Front view of the cleaning device of FIG. 1 with the housing cover open;
  • FIG. 3 : Detail of the cleaning unit of the cleaning device of FIG. 1 in a side view and with a spray gun to be cleaned;
  • FIG. 4 : Side view of the cleaning unit of the cleaning device of FIG. 1 ;
  • FIG. 5 : Illustration of the control device of the cleaning device of FIG. 1 in a top view with the lid of the controller housing open.

Die in den Figuren 1 und 2 gezeigte Reinigungsvorrichtung weißt ein Gehäuse 6 auf, welches zweckmäßigerweise aus Metall, insbesondere aus Edelstahlblech gefertigt ist. An der Oberseite des Gehäuses 6 ist eine Steuereinrichtung 10 angeordnet, welche im Detail in Figur 4 dargestellt ist und unten näher beschrieben wird. Das Gehäuse 6 weißt im Innern drei Kammern auf, nämlich eine erste obere Kammer 7 und eine zweite obere Kammer 8, welche durch eine Zwischenwand 21 voneinander getrennt sind. Unterhalb der ersten Kammer 7 und der zweiten Kammer 8 ist eine dritte Kammer 20 angeordnet, wobei die beiden oberen Kammern 7, 8 von der unteren Kammer 20 durch einen Boden 17 der ersten Kammer 7 und einen Boden 19 der zweiten Kammer 8 voneinander getrennt sind. Die erste Kammer 7 dient zur manuellen Reinigung einer Spritzpistole mit einer Reinigungsflüssigkeit. In der zweiten Kammer 8 kann die gereinigte Spritzpistole getrocknet werden. In der unteren Kammer 20 sind zwei Behälter 4, 5 eingestellt, wobei der erste Behälter 4 zur Aufnahme von sauberer Reinigungsflüssigkeit dient. In dem zweiten Behälter 5 wird die beim Reinigungsvorgang verwendete Reinigungsflüssigkeit gesammelt, so dass diese einer Wiederverwertung und nötigenfalls einer Aufbereitung zugeführt werden kann. Um die beim Reinigungsvorgang nach unten abfließende und auch die beim Trocknungsvorgang abtropfende Reinigungsflüssigkeit zu sammeln sind die Böden 17, 19 der beiden oberen Kammern 7, 8 wannenförmigen ausgebildet und in dem Boden 17 ist ein Ablauf 18 vorgesehen, durch den die in dem wannenförmigen Böden 17, 19 aufgesammelte Reinigungsflüssigkeit in den darunter angeordneten Sammelbehälter 5 fließen kann. Die untere Kammer 20 ist durch einen schwenkbar am Gehäuse 6 angelenkten Gehäusedeckel 22 verschliessbar.The in the Figures 1 and 2 shown cleaning device know a housing 6, which is suitably made of metal, in particular made of stainless steel sheet. At the top of the housing 6, a control device 10 is arranged, which in detail in FIG. 4 is shown and described in more detail below. The housing 6 inside three chambers on, namely a first upper chamber 7 and a second upper chamber 8, which are separated by an intermediate wall 21 from each other. Below the first chamber 7 and the second chamber 8, a third chamber 20 is arranged, wherein the two upper chambers 7, 8 are separated from the lower chamber 20 by a bottom 17 of the first chamber 7 and a bottom 19 of the second chamber 8. The first chamber 7 is used for manual cleaning of a spray gun with a cleaning liquid. In the second chamber 8, the cleaned spray gun can be dried. In the lower chamber 20, two containers 4, 5 are set, wherein the first container 4 serves to receive clean cleaning liquid. In the second container 5, the cleaning liquid used in the cleaning process is collected so that it can be recycled and, if necessary, a treatment can be supplied. In order to collect the cleaning liquid flowing down during the cleaning process and also the cleaning liquid dripping during the drying process, the bottoms 17, 19 of the two upper chambers 7, 8 are trough-shaped and a drain 18 is provided in the bottom 17, through which the drains in the trough-shaped bottoms 17 , 19 collected cleaning liquid can flow into the collecting container 5 arranged underneath. The lower chamber 20 can be closed by a housing cover 22, which is pivotably connected to the housing 6.

Im oberen Bereich der ersten Kammer 7 ist eine von einem Schlauchabschnitt eines Kunststoffschlauchs gebildete Reinigungsdüse 1 angeordnet, welche mit einer Fördereinrichtung 2 in Verbindung steht. Die Fördereinrichtung 2 umfasst eine Pumpe, insbesondere eine als Wasserstrahlpumpe wirkende Injektorpumpe, welche über einen Ansaugschlauch 16 Reinigungsflüssigkeit aus dem Vorratsbehälter 4 zieht und zur Reinigungsdüse 1 fördert. Innerhalb des Gehäuses 6 ist unterhalb der Reinigungsdüse 1 ein Reibreinigungsgerät 3 ortsfest angeordnet, welches bei dem hier zeichnerisch dargestellten Ausführungsbeispiel durch eine zylindrische Reinigungsbürste gebildet ist. Bei dem Reibreinigungsgerät 3 kann es sich auch um einen Reinigungspinsel oder um einen Reinigungsschwamm handeln. Die Reinigungsbürste ist bezüglich der Längsachse der Reinigungsdüse schräg verlaufend unterhalb der Mündung der Reinigungsdüse 1 angeordnet. Bevorzugt ist die Reinigungsbürste so angeordnet, dass deren Längsachse mit der Längsachse der Reinigungsdüse 1 einen Winkel von 30° bis 60°, bevorzugt 45°, einschließt, wie aus Figur 4 ersichtlich. Bevorzugt ist die Reinigungsbürste zwar ortsfest im Gehäuse 6 installiert, ihre Position und Stellung bezüglich der Mündung der Reinigungsdüse 1 ist jedoch zweckmäßigerweise einstellbar, wozu entweder der die Reinigungsdüse 1 bildende Schlauchabschnitt aus dem Gehäuseteil, an dem die Reinigungsdüse 1 befestigt ist, herausziehbar bzw. hineinschiebbar ist und/oder wozu die Reinigungsbürste schwenkbar an dem Gehäuseteil angelenkt ist (Figur 4). Bevorzugt ist die Reinigungsbürste flexibel bzw. federnd ausgebildet. Die Reinigungsbürste kann insbesondere gegen eine Rückstellkraft federnd an dem Gehäuseteil befestigt sein. Vor der Reinigungsdüse 1 und der Reinigungsbürste 3 ist ein Spritzschutz 23 angeordnet.In the upper region of the first chamber 7, a cleaning nozzle 1 formed by a hose section of a plastic hose is arranged, which communicates with a conveying device 2. The conveying device 2 comprises a pump, in particular an injector pump acting as a water jet pump, which draws cleaning liquid from the reservoir 4 via a suction hose 16 and conveys it to the cleaning nozzle 1. Within the housing 6, a Reibreinigungsgerät 3 is fixedly disposed below the cleaning nozzle 1, which in the drawing shown here Embodiment is formed by a cylindrical cleaning brush. The friction cleaning device 3 may also be a cleaning brush or a cleaning sponge. The cleaning brush is arranged obliquely with respect to the longitudinal axis of the cleaning nozzle below the mouth of the cleaning nozzle 1. Preferably, the cleaning brush is arranged so that its longitudinal axis with the longitudinal axis of the cleaning nozzle 1 at an angle of 30 ° to 60 °, preferably 45 °, includes, as in FIG. 4 seen. Although the cleaning brush is fixedly installed in the housing 6, its position and position with respect to the mouth of the cleaning nozzle 1 is suitably adjustable, for which purpose either of the cleaning nozzle 1 forming hose section from the housing part to which the cleaning nozzle 1 is attached, pulled out or hineschiebbar is and / or what the cleaning brush is pivotally hinged to the housing part ( FIG. 4 ). Preferably, the cleaning brush is flexible or resilient. The cleaning brush may in particular be resiliently secured against a restoring force on the housing part. In front of the cleaning nozzle 1 and the cleaning brush 3, a splash guard 23 is arranged.

In der zweiten Kammer 8 ist eine mit Trocknungsluft beaufschlagbare Trocknungsdüse 9 angeordnet, welche wie die Reinigungsdüse 1 von einem Schlauchabschnitt eines Kunststoffschlauchs gebildet ist. Oberhalb der beiden Kammern 7, 8 ist eine Steuereinrichtung 10 vorgesehen, mit der die Funktionen der Reinigungsvorrichtung gesteuert werden können. Die in Figur 5 im Detail in einer Ansicht von oben (bei geöffnetem Gehäusedeckel) gezeigte Steuereinrichtung 10 weißt ein quaderförmiges Gehäuse 25 auf, welches durch einen in Figur 5 nicht gezeigten Deckel verschlossen ist. In den Seitenteilen des Gehäuses sind Anschlussstutzen für einen Drucklufteinlass 11 und einen Druckluftauslass 12 vorgesehen. Der Drucklufteinlass 11 wird mit einem Kompressor verbunden. An den Druckluftauslass 12 wird über eine Druckluftleitung die Spritzpistole mit Druckluft beaufschlagt, wozu das eine Ende der Druckluftleitung an dem Druckluftauslass 12 und das andere Ende am Drucklufteinlass der Spritzpistole angeschlossen wird. Im Innern des Gehäuses 25 der Steuereinrichtung 10 ist ein Druckminderer 13 vorgesehen, mit dem der an der angeschlossenen Spritzpistole S anstehende Luftdruck geregelt wird. Zur Regelung des an der Spritzpistole anstehenden Luftdrucks ist an der Vorderseite des Gehäuses 25 ein Wahlschalter 14 vorgesehen. Mit diesem Wahlschalter 14 kann die Funktion zwischen einer Reinigungsfunktion und einer Spritzfunktion ausgewählt werden. In der Spritzfunktion steht der volle am Drucklufteinlass 11 anstehende Luftdruck am Druckluftauslass 12 und damit an der angeschlossenen Spritzpistole zur Verfügung. In dieser Funktionsstellung kann die angeschlossene Spritzpistole S zum Verspritzen von Flüssigkeit, insbesondere zum Lackieren in herkömmlicher Weise verwendet werden. Zur manuellen Schnellreinigung der Spritzpistole wird die Funktion der Reinigungsvorrichtung mittels des Wahlschalters 14 in die Reinigungsfunktion umgeschaltet. In der Reinigungsfunktion ist der Luftdruck, der am Druckluftauslass 12 ansteht, durch den Druckminderer 13 gegenüber dem Luftdruck am Drucklufteinlass 11 gedrosselt. Gleichzeitig wird in der Reinigungsfunktion durch die Fördereinrichtung 2 Reinigungsflüssigkeit vom Vorratsbehälter 4 in die Spritzdüse 1 gefördert. Zur manuellen Reinigung der Spritzpistole wird diese bei an der Reinigungsvorrichtung eingestellter Reinigungsfunktion in die erste Kammer 7 eingeführt und dort so angeordnet, dass die aus der Reinigungsdüse 1 ausströmende Reinigungsflüssigkeit in den Spritzkanal, insbesondere in den Farbeinlasskanal der Spritzpistole einströmen kann, wie in Figur 3 gezeigt. Dazu wird die Spritzpistole S wie in Figur 3 dargestellt unterhalb der Mündung der Reinigungsdüse 1 angeordnet und das Schlauchende der Reinigungsdüse 1 wird in den Farbeinlasskanal der Spritzpistole S gesteckt. In dieser Stellung berührt die Vorderseite die Spritzpistole, an der die abnehmbare Luftdüse angeordnet ist, die Reinigungsbürste 3. Zur Reinigung des Vorderteils der Spritzpistole S, also insbesondere der Luftdüse, wird die Spritzpistole manuell auf und ab und/oder hin und her bewegt, so dass die Oberfläche insbesondere der abnehmbaren Luftdüse an der Reinigungsbürste 3 reibt. Dadurch werden Lackreste von der Oberfläche der Spritzpistole durch Reibung entfernt. Auf diese Weise wird die Spritzpistole S beim Reinigungsvorgang sowohl äußerlich als auch im Innern, also im Spritzkanal, gereinigt.In the second chamber 8 is acted upon with drying air drying nozzle 9 is arranged, which is like the cleaning nozzle 1 formed by a hose portion of a plastic tube. Above the two chambers 7, 8, a control device 10 is provided, with which the functions of the cleaning device can be controlled. In the FIG. 5 in detail in a view from above (with the housing cover open) shown control device 10 know a cuboid housing 25, which by a in FIG. 5 not shown lid is closed. In the side parts of the housing connecting pieces for a compressed air inlet 11 and a compressed air outlet 12 are provided. The compressed air inlet 11 is connected to a compressor. Compressed air is supplied to the compressed air outlet 12 via a compressed air line, for which purpose one end of the compressed air line is connected to the compressed air outlet 12 and the other end to the compressed air inlet of the spray gun. In the interior of the housing 25 of the control device 10, a pressure reducer 13 is provided, with which the pending on the connected spray gun S air pressure is controlled. To control the pressure applied to the spray gun air pressure on the front of the housing 25, a selector switch 14 is provided. With this selector switch 14, the function between a cleaning function and a spraying function can be selected. In the spraying function, the full air pressure present at the compressed air inlet 11 is present at the compressed air outlet 12 and thus the attached spray gun available. In this functional position, the connected spray gun S for spraying liquid, in particular for painting in a conventional manner can be used. For manual quick cleaning of the spray gun, the function of the cleaning device is switched by means of the selector switch 14 in the cleaning function. In the cleaning function, the air pressure present at the compressed air outlet 12 is throttled by the pressure reducer 13 in relation to the air pressure at the compressed air inlet 11. At the same time 2 cleaning liquid is conveyed from the reservoir 4 into the spray nozzle 1 in the cleaning function by the conveyor. For manual cleaning of the spray gun, it is introduced into the first chamber 7 when the cleaning function is set on the cleaning device and arranged there such that the cleaning liquid flowing out of the cleaning nozzle 1 can flow into the spray channel, in particular into the paint inlet channel of the spray gun, as in FIG FIG. 3 shown. For this purpose, the spray gun S as in FIG. 3 arranged below the mouth of the cleaning nozzle 1 and the hose end of the cleaning nozzle 1 is inserted into the paint inlet channel of the spray gun S. In this position, the front touches the spray gun on which the removable air nozzle is arranged, the cleaning brush 3. To clean the front part of the spray gun S, ie in particular the air nozzle, the spray gun is manually moved back and forth and / or back and forth, so the surface in particular of the removable air nozzle rubs against the cleaning brush 3. As a result, paint residues are removed from the surface of the spray gun by friction. In this way, the spray gun S during the cleaning process both externally and in the interior, ie in the spray channel cleaned.

Um eine möglichst effiziente und Reinigungsmittel sparende Reinigung des Spritzkanals zu ermöglichen, wird zweckmäßig ein Reinigungsmittel-Luft-Gemisch aus der Reinigungsdüse 1 in den Spritzkanal der Spritzpistole S abgegeben. Hierfür wird der Fördereinrichtung 2 Druckluft zugeführt, welche diese mit der Reinigungsflüssigkeit aus dem Vorratsbehälter 4 mischt. Die Fördereinrichtung 2 weißt hierzu bevorzugt eine als Wasserstrahlpumpe ausgebildete Injektorpumpe auf, welche über einen im Gehäuse 25 der Steuereinrichtung angeordneten Druckminderer 15 mit dem Drucklufteinlass 11 in Verbindung steht. Diese durch die Druckluft aus dem Drucklufteinlass 11 betriebene Wasserstrahlpumpe fördert Reinigungsflüssigkeit über den Ansaugschlauch 16 aus dem Vorratsbehälter 4 und vermischt diese gleichzeitig mit der Druckluft, wodurch das Reinigungsmittel-Luft-Gemisch entsteht, mit dem die Reinigungsdüse 1 in der Reinigungsfunktion der Vorrichtung beaufschlagt wird. Nach erfolgter Reinigung der Spritzpistole wird diese aus der ersten Kammer 7 herausgenommen und in die zweite Kammer 8 geführt. In der zweiten Kammer 8 wird die gereinigte Spritzpistole mittels der Trockenblasdüse 9 getrocknet, wozu die Spritzpistole S in den Luftstrom der Trockenblasdüse 9 gehalten wird. Zur Betätigung der Trockenblasdüse 9 ist ein Betätigungsknopf 24 vorgesehen, welcher bei Betätigung Druckluft aus dem Drucklufteinlass 11 über einen Bypasskanal 26 in die Trockenblasdüse 9 strömen lässt. Beim Trockenblasen der Spritzpistole werden Flüssigkeitsreste der Reinigungsflüssigkeit von der Oberfläche der Spritzpistole und auch aus dem Spritzkanal entfernt. Die von der Spritzpistole S abtropfenden Flüssigkeitstropfen der Reinigungsflüssigkeit werden in dem wannenförmigen Boden 19 der zweiten Kammer 8 gesammelt. Der Boden 19 der Kammer 8 ist bezüglich des Bodens 17 der gegenüberliegenden Kammer 7 geneigt, so dass die sich im Boden 19 sammelnden Flüssigkeitsreste auf den Boden 17 und durch den Ablauf 18 in den Sammelbehälter 5 fließen können.In order to enable the most efficient and cleaning agent-saving cleaning of the spray channel, it is expedient to release a detergent-air mixture from the cleaning nozzle 1 into the spray channel of the spray gun S. For this purpose, the conveyor 2 compressed air is supplied, which mixes them with the cleaning liquid from the reservoir 4. For this purpose, the conveying device 2 preferably has an injector pump embodied as a water jet pump, which is connected to the compressed air inlet 11 via a pressure reducer 15 arranged in the housing 25 of the control device. This operated by the compressed air from the compressed air inlet 11 water jet pump promotes cleaning liquid through the suction hose 16 from the reservoir 4 and mixes them simultaneously with the compressed air, whereby the detergent-air mixture is formed, with which the cleaning nozzle 1 is acted upon in the cleaning function of the device. After cleaning the spray gun it is removed from the first chamber 7 and guided into the second chamber 8. In the second chamber 8, the cleaned spray gun is dried by means of the Trockenblasdüse 9, for which purpose the spray gun S is held in the air flow of the Trockenblasdüse 9. For actuating the Trockenblasdüse 9, an operating knob 24 is provided, which can flow when actuated compressed air from the compressed air inlet 11 via a bypass channel 26 in the Trockenblasdüse 9. During dry blowing of the spray gun, liquid residues of the cleaning liquid are removed from the surface of the spray gun and also from the spray channel. The liquid droplets of the cleaning liquid dripping from the spray gun S are collected in the trough-shaped bottom 19 of the second chamber 8. The bottom 19 of the chamber 8 is inclined with respect to the bottom 17 of the opposite chamber 7, so that the liquid residues collecting in the bottom 19 can flow to the bottom 17 and through the drain 18 into the collecting container 5.

Nach Beendigung des Reinigungs- und des Trocknungsvorgangs wird die Spritzpistole S wieder aus der zweiten Kammer 8 herausgenommen und die Reinigungsvorrichtung wird am Wahlschalter 14 in die Spritzfunktion umgestellt. In der Spritzfunktion kann dann die manuell gereinigte Spritzpistole S wieder zum Verspritzen von Flüssigkeit, insbesondere zum Lackieren verwendet werden. Beim Umstellen der Reinigungsvorrichtung von der Reinigungsfunktion in die Spritzfunktion wird die Reinigungsmittelzufuhr in die Reinigungsdüse 1 abgestellt und gleichzeitig wird der volle am Drucklufteinlass 11 verfügbare Luftdruck am Druckluftauslass 12 angelegt.After completion of the cleaning and drying process, the spray gun S is removed again from the second chamber 8 and the cleaning device is changed over at the selector switch 14 in the spray function. In the spray function, the manually cleaned spray gun S can then be used again for spraying liquid, in particular for painting. When converting the cleaning device from the cleaning function in the spray function, the detergent supply is turned off in the cleaning nozzle 1 and at the same time the full air pressure available at the compressed air inlet 11 at the compressed air outlet 12 is applied.

Um Reinigungs-, Reparatur- und Wartungsarbeiten an der Reinigungsvorrichtung zu vereinfachen ist die Steuereinrichtung 10 vom Gehäuse 6 abnehmbar. Dadurch kann die Steuereinrichtung 10 für Reparatur- oder Wartungsarbeiten vom Gehäuse 6, welche zweckmäßig an der Wand befestigt ist, abgenommen werden. Das Gehäuse 25 der Steuereinrichtung 10 ist mit einem Gehäusedeckel abgedeckt, wobei der Gehäusedeckel bevorzugt randseitige nach oben überstehende Wände aufweist. Der Deckel des Gehäuses 25 kann dadurch als Ablagefläche für Spritzgerätezubehör, beispielsweise für Farbbecher, genutzt werden. Eine weitere Ablagefläche für Spritzgeräte oder -zubehör wird durch die am Gehäuse 6 verschwenkbar angelenkte Klappe 22 gebildet, auf der in der geöffneten Stellung (Figur 2) derartige Teile oder auch die Behälter 4, 5 beim Behälterwechsel abgestellt werden können.To simplify cleaning, repair and maintenance of the cleaning device, the control device 10 from the housing 6 is removable. Thereby, the controller 10 for repair or maintenance of the housing 6, which is suitably attached to the wall, be removed. The housing 25 of the control device 10 is covered with a housing cover, wherein the housing cover preferably has edge-side upwardly projecting walls. The cover of the housing 25 can thereby be used as a storage surface for spray equipment accessories, such as paint cups. Another storage surface for sprayers or accessories is formed by the hinged on the housing 6 flap 22, on the in the open position ( FIG. 2 ) Such parts or the container 4, 5 can be turned off when changing containers.

In einem hier zeichnerisch nicht dargestellten Ausführungsbeispiel ist vorgesehen, dass der Auffangbehälter 5 einen Deckel zum Verschließen des Behälters aufweist, wobei der Deckel einen Flansch zur Verbindung mit dem Ablauf 18 aufweist. Bei diesem Ausführungsbeispiel wird gewährleistet, dass die Reinigungsflüssigkeit, die sich im wannenförmigen Boden 17 gesammelt hat und durch den Ablauf 18 abfließt direkt in den Auffangbehälter 5 fließen kann. Alternativ zu dieser Ausführungsform kann auch vorgesehen sein, dass an dem Ablauf 18 ein Schlauch angeflanscht wird, welcher die abfließende Reinigungsflüssigkeit in einen größeren Auffangtank leitet, der unterhalb der Reinigungsvorrichtung oder neben der Reinigungsvorrichtung angeordnet werden kann.In an exemplary embodiment, not shown here, it is provided that the collecting container 5 has a lid for closing the container, wherein the lid has a flange for connection to the drain 18. In this embodiment, it is ensured that the cleaning liquid which has collected in the trough-shaped bottom 17 and drains off through the drain 18 can flow directly into the collecting container 5. As an alternative to this embodiment, it can also be provided that a hose is flanged to the drain 18, which leads the draining cleaning liquid into a larger collecting tank, which can be arranged below the cleaning device or next to the cleaning device.

Claims (15)

  1. Cleaning device for cleaning spray guns (S), in particular paint spray guns, with at least one cleaning nozzle (1) which communicates with a delivery device (2) for cleaning liquid, and with a rubbing cleaning device (3) for manual cleaning of the spray gun (S) or parts thereof, the cleaning nozzle (1) being arranged close to and above the rubbing cleaning device (3) so that cleaning liquid can be sprayed into and/or onto the spray gun (S) by the cleaning nozzle (1) and at the same time the spray gun (S) and in particular the spray gun nozzle can be cleaned manually by rubbing on the rubbing cleaning device (3), characterised in that the cleaning device comprises a control device (10) which exhibits a compressed air inlet (11) for connection to a compressed air source and a compressed air outlet (12) for connection of a spray gun and at least one pressure reducer (13) for regulating the air pressure at the spray gun.
  2. Cleaning device according to claim 1, characterised in that it exhibits a first container (4) for receiving clean cleaning liquid and a second container (5) for receiving used cleaning liquid, the delivery device (2) extracting clean cleaning liquid from the first container (4) and feeding it to the cleaning nozzle (1).
  3. Cleaning device according to claim 1 or 2, characterised in that it exhibits a housing (6) which is open on one side and in which is provided a first chamber (7) for manual cleaning of the spray gun and a second chamber (8) for drying the cleaned spray gun.
  4. Cleaning device according to claim 3, characterised in that at least one drying blowing nozzle (9) which can be supplied with compressed air is arranged in the second chamber (8).
  5. Cleaning device according to one of the preceding claims, characterised in that the cleaning nozzle (1) is formed by the end piece of a plastic tube.
  6. Cleaning device according to one of the preceding claims, characterised in that the control device (10) comprises a selector switch (14) with which the cleaning device can be switched between a cleaning function and a spraying function, wherein in the spraying function the full air pressure at the compressed air inlet (11) is delivered to the compressed air outlet (12) and in the cleaning function the air pressure at the compressed air outlet (12) is reduced by means of the pressure reducer (13).
  7. Cleaning device according to claim 6, characterised in that when the selector switch (14) is switched from the spraying function to the cleaning function, the cleaning operation is started automatically in that the delivery device (2) delivers cleaning liquid through the cleaning nozzle (1).
  8. Cleaning device according to one of the preceding claims, characterised in that the delivery device (2) comprises an injector pump which supplies the cleaning nozzle (1) with a cleaning liquid during the cleaning operation.
  9. Cleaning device according to claim 8, characterised in that the injector pump is a water jet pump which is connected through a pressure reducer (15) to the compressed air inlet (11).
  10. Cleaning device according to claim 8 or 9, characterised in that the delivery device (2) comprises an intake tube (16) through which the injector pump delivers clean cleaning liquid from the first container (4).
  11. Cleaning device according to one of the preceding claims, characterised in that the rubbing cleaning device (3) is a cleaning brush or a cleaning paintbrush or a cleaning sponge.
  12. Cleaning device according to claim 11, characterised in that the rubbing cleaning device (3) is a cylindrical or parallelepiped cleaning brush which is arranged underneath the mouth of the cleaning nozzle running at an oblique angle, in particular at an angle of 30° to 60°, in relation to the longitudinal axis of the cleaning nozzle.
  13. Cleaning device according to claim 12, characterised in that the position, in particular the inclination of the cleaning brush in relation to the cleaning nozzle (1), is adjustable.
  14. Cleaning device according to one of claims 3 to 13, characterised in that the bottom (17) of the first chamber (7) is embodied as a collecting tray and exhibits an outlet (18) through which cleaning liquid used in the cleaning operation dripping into the collecting tray can flow into the second container (5) arranged underneath.
  15. Cleaning device according to claim 14, characterised in that the bottom (19) of the second chamber (8) is also embodied as a collecting tray which communicates with the bottom (17) of the first chamber (7) and runs at an inclined angle to the latter so that the cleaning liquid dripping on to the bottom (19) of the second chamber (8) can flow into the outlet (18).
EP08805087A 2007-10-30 2008-10-06 Cleaning device for cleaning spray guns Active EP2106298B1 (en)

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DE102007052067.2A DE102007052067B4 (en) 2007-10-30 2007-10-30 Cleaning device for cleaning spray guns
PCT/EP2008/063344 WO2009056424A1 (en) 2007-10-30 2008-10-06 Cleaning device for cleaning spray guns

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US (1) US8757182B2 (en)
EP (1) EP2106298B1 (en)
JP (1) JP4916577B2 (en)
CN (1) CN101646500B (en)
AT (1) ATE475488T1 (en)
CA (1) CA2680112C (en)
DE (2) DE102007052067B4 (en)
HK (1) HK1138533A1 (en)
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USD768820S1 (en) 2014-09-03 2016-10-11 Sata Gmbh & Co. Kg Paint spray gun with pattern
USD770593S1 (en) 2014-07-31 2016-11-01 Sata Gmbh & Co. Kg Paint spray gun
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DE202008014389U1 (en) 2008-10-29 2010-04-08 Sata Gmbh & Co. Kg Gravity cup for a paint spray gun
DE202010007355U1 (en) 2010-05-28 2011-10-20 Sata Gmbh & Co. Kg Nozzle head for a spraying device
DE102010052698A1 (en) * 2010-11-26 2012-05-31 Dürr Systems GmbH Cleaning device and cleaning brush for a nebulizer and corresponding cleaning method
JP6189834B2 (en) 2011-06-30 2017-08-30 サタ ゲーエムベーハー アンド カンパニー カーゲー Spray gun, spray medium guide unit and method for removal or removal
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JP2010530797A (en) 2010-09-16
JP4916577B2 (en) 2012-04-11
CA2680112A1 (en) 2009-05-07
PL2106298T3 (en) 2011-01-31
DE102007052067B4 (en) 2014-08-21
ATE475488T1 (en) 2010-08-15
EP2106298A1 (en) 2009-10-07
CN101646500A (en) 2010-02-10
US8757182B2 (en) 2014-06-24
CN101646500B (en) 2012-03-21
DE102007052067A1 (en) 2009-05-14
WO2009056424A1 (en) 2009-05-07
DE502008001031D1 (en) 2010-09-09
US20100126541A1 (en) 2010-05-27
CA2680112C (en) 2016-08-23

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