EP3380256B1 - Device for cleaning objects - Google Patents

Device for cleaning objects Download PDF

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Publication number
EP3380256B1
EP3380256B1 EP16867435.6A EP16867435A EP3380256B1 EP 3380256 B1 EP3380256 B1 EP 3380256B1 EP 16867435 A EP16867435 A EP 16867435A EP 3380256 B1 EP3380256 B1 EP 3380256B1
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EP
European Patent Office
Prior art keywords
arm
axis
rotation
nozzle head
rotary nozzle
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.)
Not-in-force
Application number
EP16867435.6A
Other languages
German (de)
French (fr)
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EP3380256A2 (en
Inventor
Rudolf Knoth-Bambule
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.)
Ka Group Management GmbH
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Ka Group Management GmbH
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Publication of EP3380256A2 publication Critical patent/EP3380256A2/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
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
    • B05B3/066—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet the movement of the outlet elements being a combination of two movements, one being rotational
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0418—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0422—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
    • B05B3/0445—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements the movement of the outlet elements being a combination of two movements, one being rotational
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
    • B05B1/202—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor comprising inserted outlet elements

Definitions

  • the invention relates to a device for cleaning objects, in particular of workpieces, with at least one rotatably mounted about a first axis of rotation rotary nozzle head on which a plurality of at least one pressure line for a cleaning medium connected and obliquely positioned nozzles are arranged, said device having at least one arm which is rotatably supported at a first end and the rotary nozzle head is rotatably mounted on the arm.
  • This type of equipment is used, for example, in the manufacture of products such as automotive engines.
  • the cleaning usually upstream and downstream processes are connected. Therefore, it is often necessary to perform the cleaning as quickly as possible within a cycle.
  • a mobile device for cleaning of chassis which has for cleaning a first one-point rotating beam, at one end of a nozzle for dispensing cleaning liquid and at the other end a second rotating beam is provided.
  • the second rotating beam has nozzles for discharging cleaning liquid at both ends.
  • Object of the present invention is now to provide a device that sweeps a larger area with the cleaning medium at the same time.
  • the arm has at least one second rotary nozzle head.
  • a complete circular area is achieved by the cleaning medium by the rotation of the arm and the relatively rotating rotating nozzle head.
  • a nationwide cleaning or drying of the workpiece surface is feasible.
  • compressed air As a cleaning medium compressed air is provided, since it can be used for drying, as well as for cooling and cleaning. In addition, compressed air is cheap and readily available and easy to use. It when the device has at least two arms, wherein the arms are arranged rotationally symmetrical about the first end is particularly advantageous. This can reduce the time required for cleaning. Moreover, the device is mechanically improved as it loses its imbalance when the arms are rotationally symmetric.
  • a preferred embodiment of the device results from the fact that the obliquely set nozzles of the rotary nozzle head with the first axis of rotation form an angle, which preferably has an angular range of greater than 0 ° to 20 ° and more preferably an angular range of 1 ° to 5 °.
  • This particular arrangement of the nozzles on the rotary nozzle head results in turn by the ejection of the cleaning medium in turn a rotational movement of the rotary nozzle head, therefore, no drive of the rotary nozzle head is necessary.
  • the cleaning performance against axial alignment The nozzle improves because the unwanted particles are better moved from the workpiece surface in the direction of the environment.
  • cleaning performance is understood here a size related to cleaning speed and actually cleaned area. The higher the cleaning speed and the larger the actual cleaned area, the greater the cleaning performance.
  • first axis of rotation of the rotary nozzle head is arranged inclined to the second axis of rotation of the arm, wherein an angle of attack of the first axis of rotation to the second axis of rotation preferably an angle range between 0 ° to 20 °, particularly preferably an angle range between 1 ° and 5 ° having.
  • an angle of attack of the first axis of rotation to the second axis of rotation preferably an angle range between 0 ° to 20 °, particularly preferably an angle range between 1 ° and 5 ° having.
  • a particularly simple embodiment results when the arm has cleaning nozzles, which are flow-connected to the pressure line. As a result, it can be achieved that the arm rotates independently through the cleaning medium outlet, without the hiring of the rotary nozzle head being necessary. Furthermore, the rotational movement is stabilized by these additional cleaning nozzles and the cleaning performance can also be significantly improved.
  • the device has at least one housing around at least one arm, wherein the housing is open towards an insert surface of the cleaning medium. This measure increases the safety because the rotating parts are covered. Furthermore, it is advantageous for the guidance of a flow of the cleaning medium when the housing assumes this task of targeted flow guidance to the application area.
  • the housing means that pollution from surrounding machine parts can be reduced, which in turn has positive effects on machine availability.
  • the device has a feed mechanism, in particular a pneumatic or hydraulically actuable working cylinder, for the axial movement of the arm.
  • An embodiment which is particularly favorable results when a diameter of the rotary nozzle head to a length of the arm has a ratio which is in a range of 1.6 to 1.9, the length from the first end to a puncture point the first axis of rotation is measured with a plane in which the arm is located. This results in the advantage that the cleaned surface on the surface of the workpiece is particularly covering in comparison to other embodiments.
  • a non-inventive device 1 is shown.
  • This device 1 for cleaning workpiece surfaces has two arms 10.
  • Each arm 10 is rotatably mounted about a first end 11.
  • the device 1 has two rotary nozzle heads 20, which are rotatably mounted on a respective arm 10 about a first axis of rotation 21.
  • 20 inclined nozzles 22 are arranged on the rotary nozzle heads.
  • the arms 10 are arranged rotationally symmetrically about the first end 11. Subsequently, only a single arm 10 will be described, since the arms 10 are made equal.
  • the pressure line 2 is formed from a first connection 24 in the rotary nozzle head 20, a second 12 in the arm 10, a pressure hose 3 and a first bore 23 of a first rotary joint 25 and a second bore 13 of a second rotary joints 14.
  • the first rotary joint 25 realizes the rotatable mounting of the rotary die head 20 around the first rotation axis 21 and the second rotary joint 14, the rotatable mounting of the arm 10 about a second axis of rotation 15, which is defined by the first end 11.
  • the pressure hose 3 establishes a further flow connection between the second bore 13 and, for example, a pressure accumulator, not shown, for the cleaning medium.
  • the arm 10 has cleaning nozzles 16, which are connected to the pressure line 2 analogously to the nozzles 22.
  • Fig. 1 set a ratio D / A that relates a diameter D of the rotary nozzle head 20 to a length A that is in a range between 1.6 and 1.9, for example.
  • the length A is defined as the distance measured in a plane 17 between a first piercing point 27 of the first axis of rotation 21 through the plane 17 and a second piercing point 18 of the second axis of rotation 15 through the plane 17, wherein a longitudinal axis 19 of the arm 10 is an element of Level 17 and the level 17 forms a normal plane to the second axis of rotation 15.
  • the device 1 has a housing 4 around the arms 10 and the rotary nozzle heads 20, which are connected to an insert surface 5 (FIG. Fig. 3 ) of the cleaning medium is opened.
  • the housing 4 also serves to selectively direct the cleaning medium after it has flowed out of the nozzles 22.
  • a working cylinder 6 is mounted in the illustrated embodiment, which is hydraulically or pneumatically or otherwise movable.
  • the device 1 from a fixed point 7, on which the working cylinder 6 is mounted, along the second axis of rotation 15 axially displaceable.
  • Fig. 2 the device 1 in the first embodiment can be seen.
  • a cleaning nozzle 16 can be seen, which lies in the cutting plane. Its axis is in the illustrated embodiment with the second axis of rotation 15 ident.
  • Another cleaning nozzle is shown in broken lines. Its axis is inclined to a second axis of rotation 15 parallel not shown straight line.
  • the nozzles 22 of the rotary nozzle head 20 are inclined to the first axis of rotation 21 by an angle ⁇ which is greater than 0 ° and up to 20 °.
  • FIG Fig. 3 A first embodiment of the device 1 according to the invention is shown in FIG Fig. 3 shown.
  • the arm 10 has a second rotary nozzle head 30. This is located between the rotary nozzle head 20 and the first end 11 of the arm 10.
  • the rotary nozzle head 20 has in this embodiment, four rotationally symmetrical about the first axis of rotation 21 arranged line arms 26.
  • the second rotary nozzle head 30 may be executed in a further embodiment, not shown, along a straight line which is parallel to the second axis of rotation 15, shifted in the direction of the plane 17. With a sufficiently large displacement, a diameter d of the second rotary nozzle head 30 may be greater than a normal distance B of the second axis of rotation 15 to the rotary nozzle head 20. The resulting overlap makes it possible for a circular area of the insert surface 5 to be completely covered.
  • a second embodiment of the device 1 is shown.
  • the rotary nozzle head 20 is inclined with its first axis of rotation 21 with respect to a parallel to the second axis of rotation 15 by an angle ⁇ .
  • the angle of attack ⁇ is up to 10 °.
  • the device 1 two arms 10, each with a rotary nozzle head 20, are arranged on the four line arms 26, each with a nozzle located at the end 22 rotationally symmetrical.

Landscapes

  • Cleaning In General (AREA)
  • Nozzles (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Description

Die Erfindung betrifft eine Einrichtung zur Reinigung von Gegenständen, insbesondere von Werkstücken, mit zumindest einem um eine erste Drehachse drehbar gelagerten Rotationsdüsenkopf, auf welchem mehrere mit zumindest einer Druckleitung für ein Reinigungsmedium verbundene und schräg angestellte Düsen angeordnet sind, wobei diese Einrichtung zumindest einen Arm aufweist, der an einem ersten Ende drehbar gelagert ist und der Rotationsdüsenkopf an dem Arm drehbar gelagert ist.The invention relates to a device for cleaning objects, in particular of workpieces, with at least one rotatably mounted about a first axis of rotation rotary nozzle head on which a plurality of at least one pressure line for a cleaning medium connected and obliquely positioned nozzles are arranged, said device having at least one arm which is rotatably supported at a first end and the rotary nozzle head is rotatably mounted on the arm.

Um Werkstücke nach einer spanenden Bearbeitung von Kühl- und Schmierflüssigkeiten, Spänen und sonstigem Schmutz zu befreien und für die weitere Bearbeitung vorzubereiten, stehen im Allgemeinen mehrere verschiedene Methoden zur Verfügung.In order to free workpieces of chilling and lubricating liquids, chips and other dirt and to prepare them for further processing, several different methods are generally available.

Diese Art von Einrichtungen findet beispielsweise Anwendung in der Fertigung von Produkten, wie etwa KFZ-Motoren. Dabei sind der Reinigung meist getaktete Prozesse vor- und nachgeschaltet. Daher ist es oft notwendig, die Reinigung möglichst schnell innerhalb eines Taktes durchzuführen.This type of equipment is used, for example, in the manufacture of products such as automotive engines. The cleaning usually upstream and downstream processes are connected. Therefore, it is often necessary to perform the cleaning as quickly as possible within a cycle.

Der Einsatz von rotierenden Düsen mit ausströmendem Reinigungsmedium ist aus der DE 35 18 988 A1 bekannt. Darin weist die Reinigungseinrichtung allerdings nur zwei Düsen an den Enden eines Rotors auf. Dadurch kann die zu reinigende Fläche ohne eine translatorische Bewegung entlang einer Werkstückoberfläche nicht gleichmäßig gesäubert werden, da durch die Drehbewegung nur ein Kreisring von dem durch die Düsen ausgestoßenem Reinigungsmedium zur Säuberung erfasst wird.The use of rotating nozzles with effluent cleaning medium is from the DE 35 18 988 A1 known. In it, however, the cleaning device has only two nozzles at the ends of a rotor. As a result, the surface to be cleaned can not be cleaned uniformly without a translatory movement along a workpiece surface, since only one circular ring is detected by the rotational movement of the ejected by the nozzles cleaning medium for cleaning.

Aus der US 2007/169796 A1 ist eine mobile Vorrichtung zur Reinigung von Fahrgestellen bekannt, die zur Reinigung einen ersten um einen Punkt rotierenden Balken aufweist, an dessen einem Ende eine Düse zur Abgabe von Reinigungsflüssigkeit und an dessen anderem Ende ein zweiter rotierender Balken vorgesehen ist. Der zweite rotierende Balken weist an beiden Enden Düsen zur Abgabe von Reinigungsflüssigkeit auf.From the US 2007/169796 A1 a mobile device for cleaning of chassis is known, which has for cleaning a first one-point rotating beam, at one end of a nozzle for dispensing cleaning liquid and at the other end a second rotating beam is provided. The second rotating beam has nozzles for discharging cleaning liquid at both ends.

In US 2 933 093 A ist eine Vorrichtung zur Reinigung von Tanks gezeigt, die zwei gebogene Arme aufweist, an deren Enden jeweils ein weiterer Arm angeordnet ist, an dessen Enden jeweils eine Düse zur Abgabe von Reinigungsmittel vorgesehen ist. Die weiteren Arme sind normal zu der Ebene der ersten zwei gebogenen Arme angeordnet und die Abgabe von Reinigungsmittel erfolgt räumlich, wobei sich die weiteren Arme aufgrund des Austritts von Reinigungsmittel drehen.In US 2,933,093 A a device for cleaning of tanks is shown, which has two bent arms, at the ends of each a further arm is arranged, provided at the ends of each nozzle for dispensing detergent is. The other arms are arranged normal to the plane of the first two bent arms and the release of detergent takes place spatially, wherein the other arms rotate due to the leakage of detergent.

Aufgabe der vorliegenden Erfindung ist es nun eine Einrichtung anzugeben, die bei gleichbleibender Zeitspanne eine größere Fläche mit dem Reinigungsmedium überstreicht.Object of the present invention is now to provide a device that sweeps a larger area with the cleaning medium at the same time.

Erfindungsgemäß ist vorgesehen, dass der Arm zumindest einen zweiten Rotationsdüsenkopf aufweist. Auf diese Weise ist es möglich, dass sich durch die Drehung des Armes und dem relativ dazu drehenden Rotationsdüsenkopf eine vollständige Kreisfläche von dem Reinigungsmedium erreicht wird. Dadurch ist eine flächendeckende Reinigung oder Trocknung der Werkstückoberfläche durchführbar.According to the invention, it is provided that the arm has at least one second rotary nozzle head. In this way, it is possible that a complete circular area is achieved by the cleaning medium by the rotation of the arm and the relatively rotating rotating nozzle head. As a result, a nationwide cleaning or drying of the workpiece surface is feasible.

Als Reinigungsmedium ist Druckluft vorgesehen, da diese zur Trocknung, wie auch zur Kühlung und Reinigung eingesetzt werden kann. Darüber hinaus ist Druckluft billig und jederzeit verfügbar und unkompliziert in der Anwendung. Besonders vorteilhaft ist es, wenn die Einrichtung zumindest zwei Arme aufweist, wobei die Arme rotationssymmetrisch um das erste Ende angeordnet sind. Dadurch kann die Zeit, die zur Reinigung benötigt wird, verringert werden. Darüber hinaus ist die Einrichtung mechanisch gesehen verbessert, da sie ihre Unwucht verliert, wenn die Arme rotationssymmetrisch angeordnet sind.As a cleaning medium compressed air is provided, since it can be used for drying, as well as for cooling and cleaning. In addition, compressed air is cheap and readily available and easy to use. It when the device has at least two arms, wherein the arms are arranged rotationally symmetrical about the first end is particularly advantageous. This can reduce the time required for cleaning. Moreover, the device is mechanically improved as it loses its imbalance when the arms are rotationally symmetric.

Der Vorteil eines besonders einfachen und unkomplizierten Aufbaus der Einrichtung ergibt sich, wenn eine zweite Drehachse des Armes zur ersten Drehachse des Rotordüsenkopfes parallel ist.The advantage of a particularly simple and uncomplicated construction of the device results when a second axis of rotation of the arm is parallel to the first axis of rotation of the rotor nozzle head.

Eine bevorzugte Ausführungsform der Einrichtung ergibt sich dadurch, dass die schräg angestellten Düsen des Rotationsdüsenkopfes mit der ersten Drehachse einen Winkel einschließen, der vorzugsweise einen Winkelbereich von größer 0° bis 20° und besonders vorzugsweise einen Winkelbereich von 1° bis 5° hat. Durch diese besondere Anordnung der Düsen am Rotationsdüsenkopf ergibt sich alleine durch den Ausstoß des Reinigungsmediums wiederum eine Drehbewegung des Rotationsdüsenkopfes, daher ist kein Antrieb des Rotationsdüsenkopfes notwendig. Außerdem ist die Reinigungsleistung gegenüber einer axialen Ausrichtung der Düsen verbessert, da die unerwünschten Partikel besser von der Werkstückoberfläche in Richtung Umgebung bewegt werden.A preferred embodiment of the device results from the fact that the obliquely set nozzles of the rotary nozzle head with the first axis of rotation form an angle, which preferably has an angular range of greater than 0 ° to 20 ° and more preferably an angular range of 1 ° to 5 °. This particular arrangement of the nozzles on the rotary nozzle head results in turn by the ejection of the cleaning medium in turn a rotational movement of the rotary nozzle head, therefore, no drive of the rotary nozzle head is necessary. In addition, the cleaning performance against axial alignment The nozzle improves because the unwanted particles are better moved from the workpiece surface in the direction of the environment.

Unter Reinigungsleistung versteht sich hier eine Größe die mit Reinigungsgeschwindigkeit und tatsächlich gereinigter Fläche im Zusammenhang steht. Je höher die Reinigungsgeschwindigkeit und je größer die tatsächlich gereinigte Fläche ist, desto größer ist auch die Reinigungsleistung.Under cleaning performance is understood here a size related to cleaning speed and actually cleaned area. The higher the cleaning speed and the larger the actual cleaned area, the greater the cleaning performance.

Es ist günstig, wenn die erste Drehachse des Rotationsdüsenkopfes geneigt zu der zweiten Drehachse des Arms angeordnet ist, wobei ein Anstellwinkel der ersten Drehachse zu der zweiten Drehachse vorzugsweise einen Winkelbereich zwischen 0° bis 20°, besonders vorzugsweise einen Winkelbereich zwischen 1° und 5° aufweist. Durch diese Maßnahme ist es möglich, dass die Drehung des Armes nur durch das Ausströmen des Mediums aus dem Rotordüsenkopf und dessen Rückstoßkraft bewirkt wird. Daher ist bei dieser Ausführungsform ein separater Antrieb für den Arm nicht zwingend notwendig. Das macht den Aufbau der Einrichtung besonders einfach. Außerdem ermöglicht diese Ausführungsform eine Reinigung von konvexen Flächen.It is favorable if the first axis of rotation of the rotary nozzle head is arranged inclined to the second axis of rotation of the arm, wherein an angle of attack of the first axis of rotation to the second axis of rotation preferably an angle range between 0 ° to 20 °, particularly preferably an angle range between 1 ° and 5 ° having. By this measure, it is possible that the rotation of the arm is effected only by the outflow of the medium from the rotor nozzle head and its recoil force. Therefore, in this embodiment, a separate drive for the arm is not mandatory. This makes the structure of the device particularly easy. In addition, this embodiment allows a cleaning of convex surfaces.

Eine besonders einfache Ausführungsform ergibt sich, wenn der Arm Reinigungsdüsen aufweist, die mit der Druckleitung strömungsverbunden sind. Dadurch kann erreicht werden, dass der Arm selbstständig durch den Reinigungsmediumsaustritt rotiert, ohne dass das Anstellen von dem Rotationsdüsenkopf notwendig ist. Weiters wird die Drehbewegung durch diese zusätzlichen Reinigungsdüsen stabilisiert und die Reinigungsleistung kann ebenso erheblich verbessert werden.A particularly simple embodiment results when the arm has cleaning nozzles, which are flow-connected to the pressure line. As a result, it can be achieved that the arm rotates independently through the cleaning medium outlet, without the hiring of the rotary nozzle head being necessary. Furthermore, the rotational movement is stabilized by these additional cleaning nozzles and the cleaning performance can also be significantly improved.

Besonders vorteilhaft ist es, wenn die Einrichtung zumindest ein Gehäuse um zumindest einen Arm aufweist, wobei das Gehäuse zu einer Einsatzfläche des Reinigungsmediums hin geöffnet ist. Durch diese Maßnahme steigt die Sicherheit, da die rotierenden Teile abgedeckt sind. Weiters ist es für die Führung einer Strömung des Reinigungsmediums vorteilhaft, wenn das Gehäuse diese Aufgabe der gezielten Strömungsführung zu der Einsatzfläche hin übernimmt. Darüber hinaus bewirkt das Gehäuse, dass die Verschmutzung von umliegenden Maschinenteilen reduziert werden kann, was wiederum positive Auswirkungen auf die Maschinenverfügbarkeit hat.It is particularly advantageous if the device has at least one housing around at least one arm, wherein the housing is open towards an insert surface of the cleaning medium. This measure increases the safety because the rotating parts are covered. Furthermore, it is advantageous for the guidance of a flow of the cleaning medium when the housing assumes this task of targeted flow guidance to the application area. In addition, the housing means that pollution from surrounding machine parts can be reduced, which in turn has positive effects on machine availability.

Um in einem Produktionsprozess die Zuführung der Werkstücke zu erleichtern ist es vorteilhaft, wenn die Einrichtung einen Zustellmechanismus, insbesondere einen pneumatische oder hydraulisch betätigbaren Arbeitszylinder, zur axialen Bewegung des Armes aufweist.In order to facilitate the feeding of the workpieces in a production process, it is advantageous if the device has a feed mechanism, in particular a pneumatic or hydraulically actuable working cylinder, for the axial movement of the arm.

Eine Ausführungsform, die besonders günstig ist, ergibt sich, wenn ein Durchmesser des Rotationsdüsenkopfes zu einer Länge des Armes ein Verhältnis aufweist, das in einen Bereich von 1,6 bis 1,9 liegt, wobei die Länge von dem ersten Ende bis zu einem Durchstoßpunkt der ersten Drehachse mit einer Ebene, in der der Arm liegt, gemessen wird. Daraus entsteht der Vorteil, dass die gereinigte Fläche auf der Oberfläche des Werkstückes besonders abdeckend im Vergleich zu anderen Ausführungsformen ist.An embodiment which is particularly favorable results when a diameter of the rotary nozzle head to a length of the arm has a ratio which is in a range of 1.6 to 1.9, the length from the first end to a puncture point the first axis of rotation is measured with a plane in which the arm is located. This results in the advantage that the cleaned surface on the surface of the workpiece is particularly covering in comparison to other embodiments.

In der Folge wird die Einrichtung anhand der schematischen Figuren beschrieben. Es zeigen:

Fig. 1
eine nicht erfindungsgemäße Einrichtung in einer geschnittenen Seitenansicht;
Fig. 2
die Einrichtung in einem Schnitt gemäß der Linie II-II in Fig. 1;
Fig. 3
eine erfindungsgemäße Einrichtung in einer ersten Ausführung in einer Seitenansicht;
Fig. 4
die erfindungsgemäße Einrichtung in einer zweiten Ausführung in einer Seitenansicht; und
Fig. 5
eine nicht erfindungsgemäße Einrichtung in einem Schrägriss.
In the following, the device will be described with reference to the schematic figures. Show it:
Fig. 1
a device not according to the invention in a sectional side view;
Fig. 2
the device in a section along the line II-II in Fig. 1 ;
Fig. 3
a device according to the invention in a first embodiment in a side view;
Fig. 4
the device according to the invention in a second embodiment in a side view; and
Fig. 5
a non-inventive device in a Schrägriss.

In Fig. 1 ist eine nicht erfindungsgemäße Einrichtung 1 gezeigt. Diese Einrichtung 1 zur Reinigung von Werkstückoberflächen weist zwei Arme 10 auf. Jeder Arm 10 ist um ein erstes Ende 11 drehbar gelagert.In Fig. 1 a non-inventive device 1 is shown. This device 1 for cleaning workpiece surfaces has two arms 10. Each arm 10 is rotatably mounted about a first end 11.

Die Einrichtung 1 weist zwei Rotationsdüsenköpfe 20 auf, die um eine erste Drehachse 21 drehbar an je einem Arm 10 gelagert sind. Um Reinigungsmedium aufbringen zu können, sind an den Rotationsdüsenköpfen 20 schräg angestellte Düsen 22 angeordnet.The device 1 has two rotary nozzle heads 20, which are rotatably mounted on a respective arm 10 about a first axis of rotation 21. In order to apply cleaning medium, 20 inclined nozzles 22 are arranged on the rotary nozzle heads.

Die Arme 10 sind um das erste Ende 11 rotationssymmetrisch angeordnet. In weiterer Folge wird nur ein einzelner Arm 10 beschrieben, da die Arme 10 gleich ausgeführt sind.The arms 10 are arranged rotationally symmetrically about the first end 11. Subsequently, only a single arm 10 will be described, since the arms 10 are made equal.

Es besteht eine Strömungsverbindung zwischen den einzelnen Düsen 22, dem Rotationsdüsenkopf 20 und dem Arm 10, welche über eine Druckleitung 2 hergestellt ist. Die Druckleitung 2 ist aus einer ersten Verbindung 24 im Rotationsdüsenkopf 20, einer zweiten 12 im Arm 10, aus einem Druckschlauch 3 und aus einer ersten Bohrung 23 einer ersten Drehverbindung 25 und einer zweiten Bohrung 13 einer zweiten Drehverbindungen 14 gebildet. Dabei realisiert die erste Drehverbindung 25 die drehbare Lagerung des Rotationsdüsenkopfes 20 um die erste Drehachse 21 und die zweite Drehverbindung 14 die drehbare Lagerung des Armes 10 um eine zweite Drehachse 15, die durch das erste Ende 11 festgelegt ist.There is a flow connection between the individual nozzles 22, the rotary nozzle head 20 and the arm 10, which is produced via a pressure line 2. The pressure line 2 is formed from a first connection 24 in the rotary nozzle head 20, a second 12 in the arm 10, a pressure hose 3 and a first bore 23 of a first rotary joint 25 and a second bore 13 of a second rotary joints 14. In this case, the first rotary joint 25 realizes the rotatable mounting of the rotary die head 20 around the first rotation axis 21 and the second rotary joint 14, the rotatable mounting of the arm 10 about a second axis of rotation 15, which is defined by the first end 11.

Der Druckschlauch 3 stellt eine weitere Strömungsverbindung zwischen der zweiten Bohrung 13 und beispielsweise einem nicht gezeigten Druckspeicher für das Reinigungsmedium her.The pressure hose 3 establishes a further flow connection between the second bore 13 and, for example, a pressure accumulator, not shown, for the cleaning medium.

In der in Fig. 1 gezeigten Ausführung weist der Arm 10 Reinigungsdüsen 16 auf, die analog zu den Düsen 22 mit der Druckleitung 2 verbunden sind.In the in Fig. 1 As shown, the arm 10 has cleaning nozzles 16, which are connected to the pressure line 2 analogously to the nozzles 22.

Um eine möglichst lückenlose Reinigung zu erreichen ist es sinnvoll, wie in der gezeigten Ausführung in Fig. 1 ein Verhältnis D/A festzulegen, das einen Durchmesser D des Rotationsdüsenkopfes 20 zu einer Länge A in Beziehung setzt, das beispielsweise in einem Bereich zwischen 1,6 und 1,9 liegt.In order to achieve the most complete possible cleaning, it makes sense, as in the embodiment shown in Fig. 1 set a ratio D / A that relates a diameter D of the rotary nozzle head 20 to a length A that is in a range between 1.6 and 1.9, for example.

Die Länge A ist definiert als der in einer Ebene 17 gemessene Abstand zwischen einem ersten Durchstoßpunkt 27 der ersten Drehachse 21 durch die Ebene 17 und einem zweiten Durchstoßpunkt 18 der zweiten Drehachse 15 durch die Ebene 17, wobei eine Längsachse 19 des Armes 10 ein Element der Ebene 17 ist und die Ebene 17 eine Normalebene auf die zweite Drehachse 15 bildet.The length A is defined as the distance measured in a plane 17 between a first piercing point 27 of the first axis of rotation 21 through the plane 17 and a second piercing point 18 of the second axis of rotation 15 through the plane 17, wherein a longitudinal axis 19 of the arm 10 is an element of Level 17 and the level 17 forms a normal plane to the second axis of rotation 15.

Um die Umgebung vor rotierenden Teilen zu schützen weist die Einrichtung 1 ein Gehäuse 4 um die Arme 10 und die Rotationsdüsenköpfe 20 auf, das zu einer Einsatzfläche 5 (Fig. 3) des Reinigungsmediums hin geöffnet ist. Das Gehäuse 4 dient außerdem der gezielten Leitung des Reinigungsmediums nach dem Ausströmen von diesem aus den Düsen 22.In order to protect the environment from rotating parts, the device 1 has a housing 4 around the arms 10 and the rotary nozzle heads 20, which are connected to an insert surface 5 (FIG. Fig. 3 ) of the cleaning medium is opened. The housing 4 also serves to selectively direct the cleaning medium after it has flowed out of the nozzles 22.

An dem Gehäuse 4 ist in der dargestellten Ausführung ein Arbeitszylinder 6 angebracht, der hydraulisch oder pneumatisch oder auf andere Art bewegbar ist. Damit ist die Einrichtung 1 von einem Fixpunkt 7 aus, an dem der Arbeitszylinder 6 angebracht ist, entlang der zweiten Drehachse 15 axial verschiebbar.On the housing 4, a working cylinder 6 is mounted in the illustrated embodiment, which is hydraulically or pneumatically or otherwise movable. Thus, the device 1 from a fixed point 7, on which the working cylinder 6 is mounted, along the second axis of rotation 15 axially displaceable.

In Fig. 2 ist die Einrichtung 1 in der ersten Ausführung ersichtlich. Außerdem ist eine Reinigungsdüse 16 zu erkennen, die in der Schnittebene liegt. Ihre Achse ist in der dargestellten Ausführung mit der zweiten Drehachse 15 ident.In Fig. 2 the device 1 in the first embodiment can be seen. In addition, a cleaning nozzle 16 can be seen, which lies in the cutting plane. Its axis is in the illustrated embodiment with the second axis of rotation 15 ident.

Eine weitere Reinigungsdüse ist strichliert zu sehen. Ihre Achse ist zu einer zur zweiten Drehachse 15 parallelen nicht gezeigten Gerade geneigt.Another cleaning nozzle is shown in broken lines. Its axis is inclined to a second axis of rotation 15 parallel not shown straight line.

Die Düsen 22 des Rotationsdüsenkopfes 20 sind zur ersten Drehachse 21 um einen Winkel β geneigt, der größer 0° und bis zu 20° groß ist. Durch eine rotationssymmetrische Anordnung der Düsen 22 am Rotationsdüsenkopf 20 um die erste Drehachse 21 entsteht bei Ausstoß des unter Druck stehenden Reinigungsmediums eine Drehbewegung des Rotationsdüsenkopfes 20.The nozzles 22 of the rotary nozzle head 20 are inclined to the first axis of rotation 21 by an angle β which is greater than 0 ° and up to 20 °. By a rotationally symmetrical arrangement of the nozzles 22 on the rotary nozzle head 20 to the first axis of rotation 21 is formed upon ejection of the pressurized cleaning medium, a rotational movement of the rotary nozzle head 20th

Eine erste erfindungsgemäße Ausführung der Einrichtung 1 ist in Fig. 3 gezeigt. Der Arm 10 weist einen zweiten Rotationsdüsenkopf 30 auf. Dieser befindet sich zwischen Rotationsdüsenkopf 20 und dem ersten Ende 11 des Arms 10. Der Rotationsdüsenkopf 20 weist in dieser Ausführung vier rotationssymmetrisch um die erste Drehachse 21 angeordnete Leitungsarme 26 auf.A first embodiment of the device 1 according to the invention is shown in FIG Fig. 3 shown. The arm 10 has a second rotary nozzle head 30. This is located between the rotary nozzle head 20 and the first end 11 of the arm 10. The rotary nozzle head 20 has in this embodiment, four rotationally symmetrical about the first axis of rotation 21 arranged line arms 26.

Der zweite Rotationsdüsenkopf 30 kann in einer weiteren nicht dargestellten Ausführungsform entlang einer Geraden, die parallel zu der zweiten Drehachse 15 ist, in Richtung der Ebene 17 verschoben ausgeführt sein. Bei genügend großer Verschiebung kann ein Durchmesser d des zweiten Rotationsdüsenkopfes 30 größer sein als ein Normalabstand B der zweiten Drehachse 15 zum Rotationsdüsenkopf 20. Durch die entstehende Überlappung ist es möglich, dass eine Kreisfläche der Einsatzfläche 5 vollständig abgedeckt werden kann.The second rotary nozzle head 30 may be executed in a further embodiment, not shown, along a straight line which is parallel to the second axis of rotation 15, shifted in the direction of the plane 17. With a sufficiently large displacement, a diameter d of the second rotary nozzle head 30 may be greater than a normal distance B of the second axis of rotation 15 to the rotary nozzle head 20. The resulting overlap makes it possible for a circular area of the insert surface 5 to be completely covered.

In Fig. 4 ist eine zweite Ausführung der Einrichtung 1 dargestellt. In dieser ist der Rotationsdüsenkopf 20 mit seiner ersten Drehachse 21 gegenüber einer Parallelen zur zweiten Drehachse 15 um einen Anstellwinkel α geneigt. Der Anstellwinkel α beträgt bis zu 10°.In Fig. 4 a second embodiment of the device 1 is shown. In this, the rotary nozzle head 20 is inclined with its first axis of rotation 21 with respect to a parallel to the second axis of rotation 15 by an angle α. The angle of attack α is up to 10 °.

In einer nicht erfindungsgemäßen Ausführungsform, wie in Fig. 5 dargestellt, weist die Einrichtung 1 zwei Arme 10 mit je einem Rotationsdüsenkopf 20, an dem vier Leitungsarme 26 mit je einer am Ende befindlichen Düse 22 rotationssymmetrisch angeordnet sind.In a non-inventive embodiment, as in Fig. 5 illustrated, the device 1, two arms 10, each with a rotary nozzle head 20, are arranged on the four line arms 26, each with a nozzle located at the end 22 rotationally symmetrical.

Claims (9)

  1. Device (1) for cleaning objects, in particular workpieces, having at least one rotary nozzle head (20) which is mounted such as to be rotatable about a first axis of rotation (21) and on which a plurality of nozzles (22) are arranged, said nozzles (22) being inclined at an angle and being connected to at least one pressure line (2) for a cleaning medium, wherein said device (1) has at least one arm (10) which is rotatably mounted at a first end (11), and the rotary nozzle head (20) is rotatably mounted on the arm (10), characterised in that the arm (10) has at least a second rotary nozzle head (30).
  2. Device (1) according to claim 1, characterised in that the device (1) has at least two arms (10), wherein the arms (10) are arranged in a rotationally symmetrical manner around the first end (11).
  3. Device (1) according to claim 1 or 2, characterised in that a second axis of rotation (15) of the arm (10) is parallel to the first axis of rotation (21) of the rotary nozzle head (20).
  4. Device (1) according to one of claims 1 to 2, characterised in that the first axis of rotation (21) of the rotary nozzle head (20) is arranged in an inclined manner relative to the second axis of rotation (15) of the arm (10), wherein an angle of inclination (a) of the first axis of rotation (21) relative to the second axis of rotation (15) lies preferably in an angle range between 0° to 10°, particularly preferably in an angle range between 1° and 3°.
  5. Device (1) according to one of claims 1 to 3, characterised in that the inclined nozzles (22) of the rotary nozzle head (20) enclose with the first axis of rotation (21) an angle (β) which has preferably an angle range from greater than 0° to 20° and particularly preferably an angle range from 1° to 5°.
  6. Device (1) according to one of claims 1 to 5, characterised in that the arm (10) has cleaning nozzles (16) which are flow-connected to the pressure line (2).
  7. Device (1) according to one of claims 1 to 6, characterised in that the device (1) has at least one housing (4) around at least one arm (10), wherein the housing (4) is open towards a use area (5) of the cleaning medium.
  8. Device (1) according to one of claims 1 to 7, characterised in that the device (1) has a movement mechanism, in particular a pneumatic or hydraulically actuated working cylinder (6), for axially moving the arm (10).
  9. Device (1) according to one of claims 1 to 8, characterised in that a diameter (D) of the rotary nozzle head (20) relative to a length (A) of the arm (10) has a ratio (D/A) which lies in a range from 1.6 to 1.9, the length (A) being measured from the first end (11) to a first point of intersection (27) of the first axis of rotation (21) with a plane (17) in which the arm (10) is located.
EP16867435.6A 2015-11-25 2016-11-22 Device for cleaning objects Not-in-force EP3380256B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA51007/2015A AT517482B1 (en) 2015-11-25 2015-11-25 DEVICE FOR CLEANING OBJECTS
PCT/AT2016/060113 WO2017088002A2 (en) 2015-11-25 2016-11-22 Device for cleaning objects

Publications (2)

Publication Number Publication Date
EP3380256A2 EP3380256A2 (en) 2018-10-03
EP3380256B1 true EP3380256B1 (en) 2019-09-11

Family

ID=57984698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16867435.6A Not-in-force EP3380256B1 (en) 2015-11-25 2016-11-22 Device for cleaning objects

Country Status (3)

Country Link
EP (1) EP3380256B1 (en)
AT (1) AT517482B1 (en)
WO (1) WO2017088002A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115301546B (en) * 2022-09-07 2023-07-14 南京林业大学 Multi-mode air-blowing type screening device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE476478C (en) * 1926-09-25 1929-05-18 Karl Ludwig Lanninger Water distributor for irrigation systems
US2933093A (en) * 1954-08-18 1960-04-19 British Miller Hydro Company L Apparatus for cleansing liquid containing tanks or vessels
DE3518988A1 (en) 1985-05-25 1986-11-27 Dick & Z. Metalloberflächentechnik GmbH, 5132 Übach-Palenberg Nozzle unit for cleaning workpieces
WO2007146447A2 (en) * 2006-01-10 2007-12-21 Bradshaw, Cecil, Sr. Vehicle undercarriage washing apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2017088002A3 (en) 2017-11-09
EP3380256A2 (en) 2018-10-03
AT517482A4 (en) 2017-02-15
AT517482B1 (en) 2017-02-15
WO2017088002A2 (en) 2017-06-01

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