EP1468747A1 - Sprayer head for a spray tool - Google Patents

Sprayer head for a spray tool Download PDF

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Publication number
EP1468747A1
EP1468747A1 EP03009080A EP03009080A EP1468747A1 EP 1468747 A1 EP1468747 A1 EP 1468747A1 EP 03009080 A EP03009080 A EP 03009080A EP 03009080 A EP03009080 A EP 03009080A EP 1468747 A1 EP1468747 A1 EP 1468747A1
Authority
EP
European Patent Office
Prior art keywords
elements
spray
spray head
head according
sub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03009080A
Other languages
German (de)
French (fr)
Other versions
EP1468747B1 (en
Inventor
Norbert Dr.-Ing. Erhard
Hubert Pschenitschni
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.)
Oskar Frech GmbH and Co KG
Original Assignee
Oskar Frech 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
Priority to AT03009080T priority Critical patent/ATE318655T1/en
Application filed by Oskar Frech GmbH and Co KG filed Critical Oskar Frech GmbH and Co KG
Priority to EP03009080A priority patent/EP1468747B1/en
Priority to ES03009080T priority patent/ES2258677T3/en
Priority to DE50302494T priority patent/DE50302494D1/en
Priority to PL367317A priority patent/PL206688B1/en
Priority to JP2004121468A priority patent/JP4440695B2/en
Priority to US10/825,332 priority patent/US7472841B2/en
Priority to CZ2004511A priority patent/CZ2004511A3/en
Publication of EP1468747A1 publication Critical patent/EP1468747A1/en
Priority to HK05100056A priority patent/HK1067575A1/en
Application granted granted Critical
Publication of EP1468747B1 publication Critical patent/EP1468747B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting 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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2007—Methods or apparatus for cleaning or lubricating moulds

Definitions

  • the invention relates to a spray head for a spraying tool, in particular for spraying the mold halves of a die casting machine, with spray-applied spray nozzles attached to spray plates or spray bars are attached, which consists of sub-elements modular are.
  • a spray head of this type is known from US-A 4,760,961.
  • spray nozzles elements to several in vertical or horizontal lines are joined together like a column, in each case for it it is ensured that the media to be sprayed from element to element can be performed.
  • These individual spraying elements or also interspaced spacers are each held together by bolts, through corresponding openings in the sub-elements passed through.
  • This solution has the disadvantage that for different dimensions of the composite spray bars or plates also different fasteners with different Length must be provided.
  • Another disadvantage is that in several juxtaposed modular elements the Bolt or tie rods must be solved and thereby also all of these held together extensions will be resolved.
  • the invention is based on the object, a spray block of the above mentioned type so that a simple modular-like Assembly of individual spray elements or connecting parts is possible without any attachment of the parts together Bolt or the like. is required.
  • a spray head of the aforementioned Art provided that at the ends to be joined together the sub-elements receiving chambers provided for fasteners are with the through channels for the media to be sprayed, such as air, control media and spray media, which are provided communicating with the supply channels for the media that the connecting elements in each case in both chambers of each other protrude connecting ends and recesses with at least an oblique plane are provided, attack on the clamping means, which are actuated from the outside and the sub-elements firmly against each other to press.
  • the through channels for the media to be sprayed such as air, control media and spray media
  • each sub-element is at its connection surfaces each provided with connecting means which a release of Allow sub-elements at any point without screw or the like. must be threaded through holes.
  • the connecting elements be provided at both ends with sealing rings, so that they also provide the necessary seal between two adjoining ones Transfer subelements.
  • the connecting elements can be in a simple manner as cylindrical Bolt be formed with two recesses, each with are provided to an end side rising inclined planes.
  • the clamping means in a simple manner than screws be formed with a cone point with the recesses interact.
  • two chambers each can be parallel be provided to each other at each end of the sub-elements and this Chambers can be co-axial with the passageways for control air and release agent. It can be between the passageways for control air and release agent also still at least one through-channel be arranged for drying air or compressed air.
  • the sub-elements can be used with angled end areas for connection further sub-elements or plates provided at an angle be, wherein in a simple embodiment, the end portions of attached Elbows of any angular position, e.g. 45 ° or 90 ° formed are.
  • Sub-elements for example in strip or plate form in different Direction and angle are bent against each other can.
  • Fig. 1 is a schematic view of the structure of a spray head according to the invention shown.
  • a in the sense of arrows 2 movably guided part 1 of a Armes is arranged on its underside with several aligned to each other Distributor blocks 3 provided, all of identical design and are arranged in the direction of movement 2.
  • the distributor blocks 3 are close to each other and arranged close to the terminal end of the arm 1.
  • Passage channels 4 to 7 settle in each distribution block 3 below, and each of these channels branch off transversely Supply channels provided, each at the points 8, 9, 10 and 11 open at the sides of the manifolds 3. From there again the connection to spray nozzles 12 via connection plates 13 and Flange blocks 14, possibly also with the interposition of spacers 15. In this way it becomes possible, floor by floor, i.
  • each in a horizontal plane of the manifolds 3 spray nozzles 12 to arrange in various ways to the spray block as possible good to the inner shape of the movable mold half and the solid mold half to adapt to a die casting machine. It is known that it is necessary after each casting this mold halves with release agent to spray or blow off with compressed air.
  • the spray nozzles 12 are, as shown in particular in FIG. 2, each attached to spray bars 16 and 16a, the most to each other are identical.
  • These spray bars 16 are in their interior with Passage channels 17, 18 and 19 are provided, of which the passageway 18, for example, to guide compressed air, the channel 17 for supplying a release agent and the channel 19 for feeding of control air, with the help of which equipped with the appropriate valves Spray nozzles 12 at certain times and opened can be closed again.
  • These passageways 17 to 19 be, as shown in FIG. 2, either with the passageways a connected to adjacent spray bar 16a or, as shown in the Outside of the spray bars 16 is indicated by a closure piece 20 closed.
  • Fig. 3 shows in which way the joining of the end faces the last 16 and 16a takes place. It can be seen that in alignment with the passageways 17 and 19 respectively in the end regions of Bar 16 and the bar 16a chambers 21 and 21a are provided, in both strips 16 and 16a each up to the adjacent Element adjacent end face 22 extend.
  • the middle passageway 18 has in the region of the end face 22, which also has the separating surface forms between adjacent sub-elements, one each turn 23, which is each provided with a sealing ring 24, 24 a. These two Sealing rings therefore seal the passage 18 from when the Sub-elements 16 and 16a are assembled frontally.
  • a connecting elements 25 used in the Embodiment in which also the chambers 21 are cylindrical, consist of cylindrical bolts, each with their end faces are provided in a recess arranged sealing ring 26, which abuts a mating surface of the chamber 21 when the elements are tightly joined together.
  • the connecting element 25 has also two inclined surfaces 27 and 28, each to the ends of Connecting element 25 out from the axis of the connecting element from rise and in the embodiment part of a conical Hole in the periphery of the connecting element 25 are.
  • the connecting elements 25 are, as can also be seen, each with a Passage channel 32 equipped, which is aligned with the passageway 17 or 19 runs and the same diameter as that Through passage 17 and 19 has.
  • the connecting elements 25 therefore not only serve for mechanical juxtaposition of the Front ends of adjacent strips 16 or 16a, but they take over also the connection of the respective media channels in the to be coupled Share.
  • Fig. 4 now shows that spray elements e.g. in mold with different Lengths in a simple manner by the invention Design can be coupled with each other. It's in the bottom Part strips 16 each aligned, the with spray nozzles 12 are provided. From the above it is clear that the media supply through these strips 16 through the channels 17, 18 and 19 takes place. At the outer end of these three aligned with each other arranged strips 16 is each a spray element 33 with only one Spray nozzle attached and running in this element Passageways are closed by a closure piece 20 outside. Also, this closure piece is in the manner explained in Fig. 3 way attached, as well as the element 33 connected to the bar 16 is.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Soil Working Implements (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catching Or Destruction (AREA)

Abstract

A spray gun head for spraying the profiled halves of pressure casting machine with the spray material fed to spray nozzles (12), fixed on spray plates or spray strips (sic) and built up from elements (16) and 16a), forming a module, the end regions of which have reception chambers (21,21a) for connecting element (25), a throughput channel (32) with recesses, and clamping element (30).

Description

Die Erfindung betrifft einen Sprühkopf für ein Sprühwerkzeug, insbesondere zum Besprühen der Formhälften einer Druckgießmaschine, mit sprühmittelbeaufschlagten Sprühdüsen, die an Sprühplatten oder Sprühleisten angebracht sind, die aus Teilelementen modulartig aufgebaut sind.The invention relates to a spray head for a spraying tool, in particular for spraying the mold halves of a die casting machine, with spray-applied spray nozzles attached to spray plates or spray bars are attached, which consists of sub-elements modular are.

Ein Sprühkopf dieser Art ist aus der US-A 4 760 961 bekannt. Dort sind mit Sprühdüsen ausgerüstete Elemente zu mehreren in vertikalen oder horizontalen Linien säulenartig aneinandergefügt, wobei jeweils dafür gesorgt ist, dass die zu versprühenden Medien von Element zu Element durchgeführt werden können. Diese einzelnen Sprühelemente oder auch dazwischengefügte Distanzteile werden jeweils über Schraubbolzen zusammengehalten, die durch entsprechende Öffnungen in den Teilelementen hindurchgeführt sind. Diese Lösung weist den Nachteil auf, dass für unterschiedliche Abmessungen der zusammengesetzten Sprühleisten oder -platten auch unterschiedliche Befestigungselemente mit verschiedener Länge bereitgestellt werden müssen. Nachteilig ist auch, dass bei mehreren aneinandergereihten modulartigen Elementen die Schraubbolzen oder Zuganker gelöst werden müssen und dadurch auch alle von diesen zusammengehaltenen Erweiterungen gelöst werden. Unter Umständen müssen auch, wenn eine zusätzliche Erweiterung oder Verkleinerung nicht am Ende der aufgefädelten Elemente, sondern am Anfang, also nahe am Verteilblock notwendig wird, alle Elemente von dem Zuganker abgefädelt werden. An den Trennstellen kann in diesem Fall Schmutz eindringen.A spray head of this type is known from US-A 4,760,961. There are equipped with spray nozzles elements to several in vertical or horizontal lines are joined together like a column, in each case for it it is ensured that the media to be sprayed from element to element can be performed. These individual spraying elements or also interspaced spacers are each held together by bolts, through corresponding openings in the sub-elements passed through. This solution has the disadvantage that for different dimensions of the composite spray bars or plates also different fasteners with different Length must be provided. Another disadvantage is that in several juxtaposed modular elements the Bolt or tie rods must be solved and thereby also all of these held together extensions will be resolved. Under Circumstances must also, if an additional extension or Reduction not at the end of the threaded elements, but on the Beginning, so near the distribution block is necessary, all elements of be threaded down the tie rod. At the separation points can in this Case of dirt ingress.

Aus der EP 0 724 486 B1 ist ein Sprühblock bekannt, bei dem platten-ähnliche Elemente zusammengesetzt werden. Auch dort jedoch werden die zusammenzusetzenden Teile über Schraubbolzen oder Zuganker mit entsprechender Länge zusammengehalten.From EP 0 724 486 B1 a spray block is known, in which plate-like Elements are put together. There too, however, will be the parts to be assembled via bolts or tie rods held together with appropriate length.

Der Erfindung liegt die Aufgabe zugrunde, einen Sprühblock der eingangs genannten Art so auszubilden, dass ein einfaches baukastenartiges Zusammenfügen einzelner Sprühelemente oder Verbindungsteile möglich ist, ohne dass eine Befestigung der Teile aneinander durch Schraubbolzen od.dgl. erforderlich wird.The invention is based on the object, a spray block of the above mentioned type so that a simple modular-like Assembly of individual spray elements or connecting parts is possible without any attachment of the parts together Bolt or the like. is required.

Zur Lösung dieser Aufgabe wird bei einem Sprühkopf der eingangs genannten Art vorgesehen, dass an den miteinander zu verbindenden Enden der Teilelemente Aufnahmekammern für Verbindungselemente vorgesehen sind, die mit Durchgangskanälen für die zu versprühenden Medien, wie Luft, Steuermedien und Sprühmedien, versehen sind, welche mit den Versorgungskanälen für die Medien in Verbindung stehen, dass die Verbindungselemente jeweils in beide Kammern der miteinander zu verbindenden Enden hereinragen und mit Ausnehmungen mit mindestens einer schrägen Ebene versehen sind, an der Klemmmittel angreifen, die von außen betätigbar sind und die Teilelemente fest gegeneinander drücken. To solve this problem is in a spray head of the aforementioned Art provided that at the ends to be joined together the sub-elements receiving chambers provided for fasteners are with the through channels for the media to be sprayed, such as air, control media and spray media, which are provided communicating with the supply channels for the media that the connecting elements in each case in both chambers of each other protrude connecting ends and recesses with at least an oblique plane are provided, attack on the clamping means, which are actuated from the outside and the sub-elements firmly against each other to press.

Durch diese Ausgestaltung ist jedes Teilelement an seinen Anschlussflächen jeweils mit Verbindungsmitteln versehen, die ein Lösen von Teilelementen an beliebiger Stelle ermöglichen, ohne dass Schraubbolzen od.dgl. durch Bohrungen hindurchgefädelt werden müssen.By this configuration, each sub-element is at its connection surfaces each provided with connecting means which a release of Allow sub-elements at any point without screw or the like. must be threaded through holes.

In vorteilhafter Ausgestaltung der Erfindung können die Verbindungselemente an beiden Stirnseiten mit Dichtringen versehen sein, so dass sie auch die notwendige Abdichtung zwischen zwei aneinanderzufügenden Teilelementen übernehmen.In an advantageous embodiment of the invention, the connecting elements be provided at both ends with sealing rings, so that they also provide the necessary seal between two adjoining ones Transfer subelements.

Die Verbindungselemente können in einfacher Weise als zylindrische Bolzen mit jeweils zwei Ausnehmungen ausgebildet sein, die mit jeweils zu einer Stirnseite hin ansteigenden schrägen Ebenen versehen sind. In diesem Fall können die Klemmmittel in einfacher Weise als Schrauben ausgebildet werden, die mit einer Kegelspitze mit den Ausnehmungen zusammenwirken.The connecting elements can be in a simple manner as cylindrical Bolt be formed with two recesses, each with are provided to an end side rising inclined planes. In In this case, the clamping means in a simple manner than screws be formed with a cone point with the recesses interact.

In Weiterbildung der Erfindung können jeweils zwei Kammern parallel zueinander an jedem Ende der Teilelemente vorgesehen sein und diese Kammern können achsgleich mit den Durchgangskanälen für Steuerluft und Trennmittel verlaufen. Dabei kann zwischen den Durchgangskanälen für Steuerluft und Trennmittel auch noch mindestens ein Durchgangskanal für Trocknungsluft bzw. Druckluft angeordnet sein.In a further development of the invention, two chambers each can be parallel be provided to each other at each end of the sub-elements and this Chambers can be co-axial with the passageways for control air and release agent. It can be between the passageways for control air and release agent also still at least one through-channel be arranged for drying air or compressed air.

Die Teilelemente können mit abgewinkelten Endbereichen zum Anschluss weiterer Teilelemente oder Platten unter einem Winkel versehen sein, wobei in einfacher Ausführung die Endbereiche von angesetzten Winkelstücken beliebiger Winkelstellung, z.B. 45° bzw. 90°, gebildet sind. Durch diese Ausgestaltung besteht auch die Möglichkeit, dass Teilelemente beispielsweise in Leisten- oder Plattenform in unterschiedlicher Richtung und Winkel gegeneinander abgeknickt angeordnet werden können. Damit ist eine beliebige räumliche Anordnung von Sprühelementen möglich. Zur Erweiterung oder Verkürzung der Sprühleisten oder Sprühplatten muss nur noch an der Stelle getrennt werden, an der die Erweiterung oder Verkürzung erfolgen soll. Alle Verbindungselemente im ganzen Sprühkopf sind dabei identisch.The sub-elements can be used with angled end areas for connection further sub-elements or plates provided at an angle be, wherein in a simple embodiment, the end portions of attached Elbows of any angular position, e.g. 45 ° or 90 ° formed are. By this configuration, there is also the possibility that Sub-elements, for example in strip or plate form in different Direction and angle are bent against each other can. This is an arbitrary spatial arrangement of Sprühelementen possible. To extend or shorten the spray bars or spray plates only needs to be separated at the point where the extension or shortening should take place. All fasteners in the whole spray head are identical.

Die Erfindung ist anhand von Ausführungsbeispielen in der Zeichnung dargestellt und wird im folgenden erläutert. Es zeigen:

Fig. 1
eine Explosionsdarstellung eines nach der Erfindung aufgebauten Sprühkopfes zum Besprühen einer Gießform,
Fig. 2
eine vergrößerte Darstellung des Details II der Fig. 1,
Fig. 3
eine vergrößerte Darstellung des Teilschnittes in Richtung der Ebene III in Fig. 2 und
Fig. 4
die Draufsicht in der Richtung der Bewegung des Sprühkopfes nach Fig. 1 auf eine gemäß der Erfindung aufgebaute Sprühkopfteilebene in einer in Fig. 1 nicht gezeigten Form.
The invention is illustrated by means of embodiments in the drawing and will be explained in the following. Show it:
Fig. 1
an exploded view of a spray head constructed according to the invention for spraying a casting mold,
Fig. 2
an enlarged view of the detail II of Fig. 1,
Fig. 3
an enlarged view of the partial section in the direction of the plane III in Fig. 2 and
Fig. 4
The plan view in the direction of movement of the spray head of FIG. 1 on a spray head part plane constructed according to the invention in a form not shown in FIG.

In Fig. 1 ist schematisch der Aufbau eines Sprühkopfes nach der Erfindung gezeigt. Ein im Sinn der Pfeile 2 beweglich geführter Teil 1 eines Armes ist an seiner Unterseite mit mehreren fluchtend zueinander angeordneten Verteilerblöcken 3 versehen, die alle identisch ausgebildet und in der Bewegungsrichtung 2 angeordnet sind. Die Verteilerblöcke 3 sind dicht untereinander und dicht am Anschlussende des Armes 1 angeordnet.In Fig. 1 is a schematic view of the structure of a spray head according to the invention shown. A in the sense of arrows 2 movably guided part 1 of a Armes is arranged on its underside with several aligned to each other Distributor blocks 3 provided, all of identical design and are arranged in the direction of movement 2. The distributor blocks 3 are close to each other and arranged close to the terminal end of the arm 1.

Der Arm 1, der in bekannter Weise mit einem steuerbaren Antrieb verbunden ist, weist in seinem Inneren die schematisch angedeuteten Durchgangskanäle 4, 5, 6 und 7 auf, die jeweils zur Zufuhr von Trennmittel, Steuerluft und Druckluft dienen, die von außen gesteuert ist. Diese Durchgangskanäle 4 bis 7 setzen sich in jedem Verteilerblock 3 nach unten fort und es sind von diesen Kanälen jeweils quer abzweigende Versorgungskanäle vorgesehen, die jeweils an den Stellen 8, 9, 10 und 11 an den Seiten der Verteilerblöcke 3 münden. Von dort aus wiederum erfolgt der Anschluss zu Sprühdüsen 12 über Anschlussplatten 13 und Flanschblöcke 14, gegebenenfalls auch unter Zwischenfügung von Distanzstücken 15. Auf diese Weise wird es möglich, stockwerksweise, d.h. jeweils in einer Horizontalebene eines der Verteilerblöcke 3 Sprühdüsen 12 in verschiedener Weise anzuordnen, um den Sprühblock möglichst gut an die Innenform der beweglichen Formenhälfte und der festen Formenhälfte einer Druckgießmaschine anzupassen. Es ist bekanntlich erforderlich, nach jedem Gießvorgang diese Formenhälften mit Trennmittel zu besprühen oder auch mit Druckluft abzublasen.The arm 1, which is connected in a known manner with a controllable drive is, has in its interior the schematically indicated Passage channels 4, 5, 6 and 7, each for the supply of release agent, Serve control air and compressed air, which is controlled from the outside. These Passage channels 4 to 7 settle in each distribution block 3 below, and each of these channels branch off transversely Supply channels provided, each at the points 8, 9, 10 and 11 open at the sides of the manifolds 3. From there again the connection to spray nozzles 12 via connection plates 13 and Flange blocks 14, possibly also with the interposition of spacers 15. In this way it becomes possible, floor by floor, i. each in a horizontal plane of the manifolds 3 spray nozzles 12 to arrange in various ways to the spray block as possible good to the inner shape of the movable mold half and the solid mold half to adapt to a die casting machine. It is known that it is necessary after each casting this mold halves with release agent to spray or blow off with compressed air.

Die Sprühdüsen 12 sind, wie insbesondere der Fig. 2 zu entnehmen ist, jeweils an Sprühleisten 16 bzw. 16a angebracht, die untereinander weitgehend identisch sind. Diese Sprühleisten 16 sind in ihrem Inneren mit Durchgangskanälen 17, 18 und 19 versehen, von denen der Durchgangskanal 18 beispielsweise zur Führung von Druckluft dient, der Kanal 17 zur Zuführung eines Trennmittels und der Kanal 19 zur Zuführung von Steuerluft, mit deren Hilfe die mit den entsprechenden Ventilen ausgerüsteten Sprühdüsen 12 zu bestimmten Zeitpunkten geöffnet und wieder geschlossen werden können. Diese Durchgangskanäle 17 bis 19 werden, wie Fig. 2 zeigt, entweder mit den Durchgangskanälen einer benachbarten Sprühleiste 16a verbunden oder, wie dies jeweils an den Außenseiten der Sprühleisten 16 angedeutet ist, durch ein Verschlussstück 20 verschlossen.The spray nozzles 12 are, as shown in particular in FIG. 2, each attached to spray bars 16 and 16a, the most to each other are identical. These spray bars 16 are in their interior with Passage channels 17, 18 and 19 are provided, of which the passageway 18, for example, to guide compressed air, the channel 17 for supplying a release agent and the channel 19 for feeding of control air, with the help of which equipped with the appropriate valves Spray nozzles 12 at certain times and opened can be closed again. These passageways 17 to 19 be, as shown in FIG. 2, either with the passageways a connected to adjacent spray bar 16a or, as shown in the Outside of the spray bars 16 is indicated by a closure piece 20 closed.

Die Fig. 3 zeigt, in welcher Weise das Aneinanderfügen der Stirnseiten der Leisten 16 und 16a erfolgt. Es ist zu erkennen, dass fluchtend zu den Durchgangskanälen 17 und 19 jeweils in den Endbereichen der Leiste 16 und der Leiste 16a Kammern 21 bzw. 21a vorgesehen sind, die sich in beiden Leisten 16 und 16a jeweils bis zu der am benachbarten Element anliegenden Stirnseite 22 erstrecken. Der mittlere Durchgangskanal 18 besitzt im Bereich der Stirnseite 22, die auch die Trennfläche zwischen benachbarten Teilelementen bildet, jeweils eine Ausdrehung 23, die mit je einem Dichtring 24, 24a versehen ist. Diese beiden Dichtringe dichten daher den Durchgangskanal 18 ab, wenn die Teilelemente 16 und 16a stirnseitig zusammengefügt werden.Fig. 3 shows in which way the joining of the end faces the last 16 and 16a takes place. It can be seen that in alignment with the passageways 17 and 19 respectively in the end regions of Bar 16 and the bar 16a chambers 21 and 21a are provided, in both strips 16 and 16a each up to the adjacent Element adjacent end face 22 extend. The middle passageway 18 has in the region of the end face 22, which also has the separating surface forms between adjacent sub-elements, one each turn 23, which is each provided with a sealing ring 24, 24 a. These two Sealing rings therefore seal the passage 18 from when the Sub-elements 16 and 16a are assembled frontally.

Um dieses Zusammenfügen in einfacher Weise zu erreichen, sind in die Kammern 21 und 21a Verbindungselemente 25 eingesetzt, die beim Ausführungsbeispiel, bei dem auch die Kammern 21 zylindrisch sind, aus zylindrischen Bolzen bestehen, die jeweils an ihren Stirnseiten mit einem in einer Ausdrehung angeordneten Dichtring 26 versehen sind, der sich an eine Gegenfläche der Kammer 21 anlegt, wenn die Elemente dicht zusammengefügt sind. Das Verbindungselement 25 besitzt aber auch zwei schräge Flächen 27 und 28, die jeweils zu den Enden des Verbindungselementes 25 hin von der Achse des Verbindungselementes aus ansteigen und beim Ausführungsbeispiel Teil einer konischen Bohrung im Umfang des Verbindungselementes 25 sind. Mit diesen schrägen Flächen 27 wirken jeweils die konischen Spitzen 29 von Inbusschrauben 30 zusammen, die im Endbereich der Leisten 16 bzw. 16a von außen her in entsprechende Gewindebohrungen 31 einschraubbar sind. Es wird ohne weiteres deutlich, dass beim Einschrauben dieser Elemente 30 die Leisten 16 und 16a mit ihren Stirnseiten 22 gegeneinander gedrückt werden, und dass bei diesem Vorgang auch die jeweiligen Dichtringe 26, 24 zur dichten Anlage an ihren Gegenflächen kommen. Die Leisten 16 und 16a sind daher dicht aneinander gekoppelt. Die Verbindungselemente 25 sind, wie auch zu sehen ist, jeweils mit einem Durchgangskanal 32 ausgerüstet, der fluchtend zum Durchgangskanal 17 bzw. 19 verläuft und der den gleichen Durchmesser wie jener Durchgangskanal 17 bzw. 19 aufweist. Die Verbindungselemente 25 dienen daher nicht nur zum mechanischen Aneinanderdrücken der Stirnenden benachbarter Leisten 16 oder 16a, sondern sie übernehmen auch den Anschluss der jeweiligen Medienkanäle in den anzukoppelnden Teilen.In order to achieve this joining in a simple manner, are in the Chambers 21 and 21 a connecting elements 25 used in the Embodiment in which also the chambers 21 are cylindrical, consist of cylindrical bolts, each with their end faces are provided in a recess arranged sealing ring 26, which abuts a mating surface of the chamber 21 when the elements are tightly joined together. However, the connecting element 25 has also two inclined surfaces 27 and 28, each to the ends of Connecting element 25 out from the axis of the connecting element from rise and in the embodiment part of a conical Hole in the periphery of the connecting element 25 are. With these oblique surfaces 27 each act the conical tips 29 of Allen screws 30 together, in the end of the last 16 or 16a from the outside into corresponding threaded holes 31 can be screwed are. It will be readily apparent that when screwing these elements 30, the strips 16 and 16a with their end faces 22nd pressed against each other, and that in this process, the respective sealing rings 26, 24 for tight contact with their mating surfaces come. The strips 16 and 16a are therefore coupled closely to each other. The connecting elements 25 are, as can also be seen, each with a Passage channel 32 equipped, which is aligned with the passageway 17 or 19 runs and the same diameter as that Through passage 17 and 19 has. The connecting elements 25 therefore not only serve for mechanical juxtaposition of the Front ends of adjacent strips 16 or 16a, but they take over also the connection of the respective media channels in the to be coupled Share.

Fig. 4 zeigt nun, dass Sprühelemente z.B. in Leistenform mit unterschiedlichen Längen in einfacher Weise durch die erfindungsgemäße Ausgestaltung untereinander gekoppelt werden können. Es sind im unteren Teil Leisten 16 jeweils fluchtend aneinandergefügt, die mit Sprühdüsen 12 versehen sind. Aus dem vorher dargelegten wird klar, dass die Medienversorgung durch diese Leisten 16 hindurch durch die Kanäle 17, 18 und 19 erfolgt. Am äußeren Ende dieser drei fluchtend zueinander angeordneten Leisten 16 ist jeweils ein Sprühelement 33 mit nur einer Sprühdüse angefügt und die in diesem Element verlaufenden Durchgangskanäle sind durch ein Verschlussstück 20 außen geschlossen. Auch dieses Verschlussstück wird in der in Fig. 3 erläuterten Weise angesetzt, ebenso wie das Element 33 an die Leiste 16 angeschlossen ist.Fig. 4 now shows that spray elements e.g. in mold with different Lengths in a simple manner by the invention Design can be coupled with each other. It's in the bottom Part strips 16 each aligned, the with spray nozzles 12 are provided. From the above it is clear that the media supply through these strips 16 through the channels 17, 18 and 19 takes place. At the outer end of these three aligned with each other arranged strips 16 is each a spray element 33 with only one Spray nozzle attached and running in this element Passageways are closed by a closure piece 20 outside. Also, this closure piece is in the manner explained in Fig. 3 way attached, as well as the element 33 connected to the bar 16 is.

Im oberen Teil der Fig. 4 ist aber auch zu erkennen, dass noch Sprühleisten 34 mit etwas geringerer Länge vorgesehen sind, und dass Teilelemente 33 (mit nur einer Sprühdüse) über Winkelstücke 35 oder 36 an die mittlere Sprühleiste 16 bzw. an die Elemente 34 angeschlossen sind. Das Winkelstück 35 besitzt dabei einen Knick von 45°, das Winkelstück 36 einen Knick von 90°. Auch in diesen Winkelstücken verlaufen Kanäle 17, 18, 19 und es sind die entsprechenden Kammern 21 vorgesehen, um die Verbindungselemente 25 einzusetzen.In the upper part of Fig. 4 but can also be seen that still spray bars 34 are provided with a slightly shorter length, and that sub-elements 33 (with only one spray nozzle) via angle pieces 35 or 36 at the middle spray bar 16 or connected to the elements 34. The angle 35 has a kink of 45 °, the elbow 36 a bend of 90 °. Also in these elbows run channels 17, 18, 19 and the corresponding chambers 21 are provided, to use the connecting elements 25.

Die Verwendung der neuartigen Verbindungselemente und der dadurch hergestellte Sprühkopf nach der Erfindung lassen mit verhältnismäßig wenig Teilen baukastenartig den Aufbau von Sprühköpfen zu, die sich in bisher nicht bekannter Weise ideal an die Innenkontur der Gießformen anpassen können.The use of the novel fasteners and the thereby spray head according to the invention leave with relatively little parts like the construction of spray heads, which are in previously unknown manner ideal to the inner contour of the molds can adjust.

Claims (9)

Sprühkopf für ein Sprühwerkzeug, insbesondere zum Besprühen der Formhälften einer Druckgießmaschine, mit sprühmittelbeaufschlagten Sprühdüsen (12), die an Sprühplatten oder Sprühleisten angebracht sind, die aus Teilelementen (16, 16a) modulartig aufgebaut sind, dadurch gekennzeichnet, dass an den miteinander zu verbindenden Endbereichen der Teilelemente (16, 16a) Aufnahmekammern (21, 21a) für Verbindungselemente (25) vorgesehen sind, die mit Durchgangskanälen (17, 18, 19) für die zu versprühenden Medien in Verbindung stehen, dass die Verbindungselemente (25) jeweils in beide Kammern der untereinander zu verbindenden Enden hereinragen, mit einem Durchgangskanal (32) und mit Ausnehmungen mit mindestens einer schrägen Ebene (27, 28) versehen sind, an der Klemmmittel (30), die von außen betätigbar sind, angreifen und die Teilelemente (16, 16a) fest gegeneinander drücken.Spray head for a spraying tool, in particular for spraying the mold halves of a die casting machine, with spray-applied spray nozzles (12) which are attached to spray plates or spray bars, which are constructed in modular fashion from sub-elements (16, 16a), characterized in that at the end regions to be joined together the sub-elements (16, 16a) receiving chambers (21, 21a) are provided for connecting elements (25) which are in communication with passage channels (17, 18, 19) for the media to be sprayed, that the connecting elements (25) in each case in both chambers the ends to be joined protrude, with a passage (32) and recesses with at least one inclined plane (27, 28) are provided on the clamping means (30) which are operable from the outside, attack and the sub-elements (16, 16 a ) firmly against each other. Sprühkopf nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindungselemente (25) an beiden Stirnseiten mit Dichtringen (26) versehen sind.Spray head according to claim 1, characterized in that the connecting elements (25) are provided on both end faces with sealing rings (26). Sprühkopf nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindungselemente (25) als zylindrischer Bolzen mit jeweils zwei Ausnehmungen ausgebildet sind, die mit jeweils zu einer Stirnseite hin ansteigenden schrägen Ebenen (27, 28) versehen sind.Spray head according to claim 1, characterized in that the connecting elements (25) are designed as cylindrical bolts with two recesses each, which are provided with sloping planes (27, 28) each rising to an end face. Sprühkopf nach Anspruch 1, dadurch gekennzeichnet, dass die Klemmmittel als Schrauben (30) ausgebildet sind, die mit einer Kegelspitze (29) mit den Ausnehmungen (27, 28) zusammenwirken.Spray head according to claim 1, characterized in that the clamping means are designed as screws (30) which cooperate with a conical tip (29) with the recesses (27, 28). Sprühkopf nach Anspruch 1, dadurch gekennzeichnet, dass jeweils zwei Kammern (21) parallel zueinander an jedem Ende der Teilelemente (16, 16a) vorgesehen sind.Spray head according to claim 1, characterized in that in each case two chambers (21) are provided parallel to one another at each end of the partial elements (16, 16a). Sprühkopf nach Anspruch 5, dadurch gekennzeichnet, dass die Kammern (21) achsgleich mit zwei der Durchgangskanäle (17, 19) verlaufen, insbesondere mit denen für Steuerluft und Trennmittel.Spray head according to claim 5, characterized in that the chambers (21) are coaxial with two of the through channels (17, 19), in particular with those for control air and separating means. Sprühkopf nach Anspruch 6, dadurch gekennzeichnet, dass zwischen den zwei Durchgangskanälen (17, 19), zu denen die Kammern (21) achsgleich verlaufen, ein dritter Durchgangskanal, insbesondere derjenige (18) für Trocknungsluft, verläuft.Spray head according to claim 6, characterized in that between the two passageways (17, 19), to which the chambers (21) extend coaxially, a third passageway, in particular that (18) for drying air, extends. Sprühkopf nach Anspruch 1, dadurch gekennzeichnet, dass die Teilelemente (16, 16a) mit abgewinkelten Endbereichen versehen sind zum Anschluss weiterer Teilelemente.Spray head according to claim 1, characterized in that the sub-elements (16, 16a) are provided with angled end portions for connecting further sub-elements. Sprühkopf nach Anspruch 8, dadurch gekennzeichnet, dass die Endbereiche von angesetzten Winkelstücken (35, 36) vorgebbarer Winkelstellung, insbesondere 45° bzw. 90°, gebildet sind.Spray head according to claim 8, characterized in that the end regions of attached angle pieces (35, 36) of predeterminable angular position, in particular 45 ° or 90 °, are formed.
EP03009080A 2003-04-19 2003-04-19 Sprayer head for a spray tool Expired - Lifetime EP1468747B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP03009080A EP1468747B1 (en) 2003-04-19 2003-04-19 Sprayer head for a spray tool
ES03009080T ES2258677T3 (en) 2003-04-19 2003-04-19 SPRAY HEAD FOR A SPRAYING TOOL.
DE50302494T DE50302494D1 (en) 2003-04-19 2003-04-19 Spray head for a spraying tool
AT03009080T ATE318655T1 (en) 2003-04-19 2003-04-19 SPRAY HEAD FOR A SPRAY TOOL
PL367317A PL206688B1 (en) 2003-04-19 2004-04-16 Atomizer head for spraying device
JP2004121468A JP4440695B2 (en) 2003-04-19 2004-04-16 Spray head for spray equipment
US10/825,332 US7472841B2 (en) 2003-04-19 2004-04-16 Spray head for a spraying tool
CZ2004511A CZ2004511A3 (en) 2003-04-19 2004-04-19 Spray head for a spraying tool
HK05100056A HK1067575A1 (en) 2003-04-19 2005-01-05 Sprayer head for a spray tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03009080A EP1468747B1 (en) 2003-04-19 2003-04-19 Sprayer head for a spray tool

Publications (2)

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EP1468747A1 true EP1468747A1 (en) 2004-10-20
EP1468747B1 EP1468747B1 (en) 2006-03-01

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EP03009080A Expired - Lifetime EP1468747B1 (en) 2003-04-19 2003-04-19 Sprayer head for a spray tool

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US (1) US7472841B2 (en)
EP (1) EP1468747B1 (en)
JP (1) JP4440695B2 (en)
AT (1) ATE318655T1 (en)
CZ (1) CZ2004511A3 (en)
DE (1) DE50302494D1 (en)
ES (1) ES2258677T3 (en)
HK (1) HK1067575A1 (en)
PL (1) PL206688B1 (en)

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DE102006062558A1 (en) 2006-12-29 2008-07-03 Bühler Druckguss AG Method for spraying a casting mold, especially the mold halves of a die casting mold, comprises closing the casting mold after moving a spraying device by a defined lift, blowing both mold halves and further processing
WO2014035789A1 (en) * 2012-08-28 2014-03-06 The Gleason Works Quick-change fluid supply apparatus for machining

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US10525489B2 (en) * 2013-03-15 2020-01-07 Honda Motor Co., Ltd. Automated sprayer assembly
CN108453234A (en) * 2018-06-25 2018-08-28 宁波科伟机器人科技有限公司 A kind of Die Casting both arms machine

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Also Published As

Publication number Publication date
ES2258677T3 (en) 2006-09-01
DE50302494D1 (en) 2006-04-27
CZ2004511A3 (en) 2004-12-15
EP1468747B1 (en) 2006-03-01
JP2004337848A (en) 2004-12-02
JP4440695B2 (en) 2010-03-24
US7472841B2 (en) 2009-01-06
US20040217211A1 (en) 2004-11-04
PL206688B1 (en) 2010-09-30
ATE318655T1 (en) 2006-03-15
PL367317A1 (en) 2004-11-02
HK1067575A1 (en) 2005-04-15

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