EP1593890B1 - Valve unit with several valves - Google Patents

Valve unit with several valves Download PDF

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Publication number
EP1593890B1
EP1593890B1 EP05103464A EP05103464A EP1593890B1 EP 1593890 B1 EP1593890 B1 EP 1593890B1 EP 05103464 A EP05103464 A EP 05103464A EP 05103464 A EP05103464 A EP 05103464A EP 1593890 B1 EP1593890 B1 EP 1593890B1
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EP
European Patent Office
Prior art keywords
valve
valves
valve unit
unit according
venting
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EP05103464A
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German (de)
French (fr)
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EP1593890A1 (en
Inventor
Rudolf Möller
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Aventics GmbH
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Rexroth Mecman GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0875—Channels for electrical components, e.g. for cables or sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0807—Manifolds
    • F15B13/0817—Multiblock manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/085—Electrical controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, sockets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0871—Channels for fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0878—Assembly of modular units
    • F15B13/0882—Assembly of modular units using identical modular elements

Definitions

  • the present invention relates to a valve unit having a plurality of locally summarized by juxtaposition electropneumatic valves for switching a pressure medium flow, the supply or disposal with / of pressure medium over at least an associated valve carrier with common feed pressure channels or ventilation channels takes place.
  • valve unit offers in particular the advantage of easy installation on site as well as a simple exchange of defective valves in case of repair.
  • valve unit Shows a generic valve unit.
  • the valve unit is formed by a series of several valves.
  • the valves are mounted on a common valve carrier. Longitudinally through the valve carrier extends a central feed pressure channel and two adjacent thereto venting channels. Through various transverse bores in the direction of the valves, the feed pressure duct and the two venting ducts are in communication with corresponding supply / discharge ports on the part of the valves.
  • the electrical connection of the individual electropneumatic valves takes place here via an external electrical wiring, which is looped through from valve to valve.
  • a disadvantage of this known design of a valve unit is that because of the succession principle of a valve behind the other valve, the length of the valve unit directly depends on the number of individual valves united therein. It has already been attempted to minimize the extreme length of large valve units by extreme narrow construction of the individual valves. However, the narrow construction of the individual valves is at the expense of the largest possible flow value of the pressure medium through the valves. moreover are the individual outside of the valve arranged connections for outgoing there working lines with increasing narrow structure difficult to access.
  • valve carrier has substantially V-shaped valve receiving locations for connecting valves correspondingly shaped therefor, in order to form a substantially cylindrical segment-like up to a substantially cylindrical shape over mutually facing flank sides of adjacent valves.
  • the advantage of the solution according to the invention lies in the fact that a spatially compact concatenation of individual valves in two directions of space is possible via the novel arrangement principle.
  • V-shaped valves in the basic shape, when a plurality of valves are lined up over the mutually facing flank sides, a cylinder segment is produced which can close as far as a complete cylinder shape.
  • This cylinder-segment-like or cylindrical shape is to be understood in the context of the invention to the effect that hereby not the strict geometric shape of a cylinder segment or a cylinder is meant.
  • the outer radial end side of the valves need not be correspondingly arched, but may also form a straight surface, so that a polygonal shape results due to the juxtaposition of the V-shaped valves, which takes on the shape of a cylinder segment or cylinder in the sense of an enveloping body approaches.
  • valve unit according to the invention is formed by a primary juxtaposition on the flank sides of the V-shaped valves until the cylinder segment predetermined by the valve carrier is reached. Subsequently, the axial length of the valve unit according to the invention increases by juxtaposition of further such rows of valves on the sides adjacent to the flank sides of the individual valves. Overall, thus space-saving any number of individual valves can be compactly assembled to form a valve unit.
  • At least one working connection is provided on the outside radial end face of the valve for working lines that depart therefrom for acting on downstream pressure medium aggregates. Due to the cylindrical segment-like to cylindrical basic shape of the valve unit, the working ports can be placed by their outside radial placement on the valve unit with maximum distance from each other and thus easily accessible. In addition to the working ports, interchangeable pilot valves for acting on the pilot control of the valve can also be arranged at this point.
  • the supply or disposal is carried out with / by pressure medium via at least one corresponding to the inner radial region of the valves and extending longitudinally through the valve carrier supply pressure channel and / or venting channel.
  • the feed pressure channel or vent channel can be seen preferably in cross-section star-shaped valve carrier with its m valve receiving places in a simple manner Extruded profile made of metal or as an injection molded part made of plastic, wherein the longitudinal feed pressure channel or venting channel can be formed centrally here in a simple manner. It is also possible in this context to dispense with a separate valve carrier entirely and to attach the individual valves together to form the valve unit.
  • a central connection can be placed to the feed pressure supply. Furthermore, in a frontal mouth region of the at least one venting channel - or on both sides - a vent opening may be provided, which is optionally equipped with a silencer.
  • the electrical connection of the individual electropneumatic valves can take place via electrical contact means corresponding to the inner radial area of the valves. It is also conceivable that corresponding electrical contact means correspond to the flank sides of the valves.
  • suitable as an electrical contact means on the part of the valve carrier is a type of printed circuit board, which is particularly suitable for the arrangement between two adjacent edge sides adjacent valves because of the small thickness.
  • connection of the individual valves on the valve carrier takes place via a latching connection provided in the region of the valve receiving locations, which permits a simple assembly or disassembly of the individual valves independently of one another from the composite of the valve unit.
  • attach the individual valves via a conventional screw or the like on the valve carrier.
  • the valve unit 1 has a cylinder-segment-like shape with an extension angle of 180 °.
  • This cylinder-segment-like shape is generated via a valve carrier 2, which provides a plurality of V-shaped valve receiving stations for the connection of correspondingly shaped valves 3a-3d.
  • the valve carrier 2 is hook-shaped projections 4a and 4b to a - not shown here - support structure fastened.
  • the valve carrier 2 has in a plane depending on a total of four V-shaped valve receiving seats 5a-5d, which are provided for the connection of correspondingly shaped valves 3a to 3d in a plane.
  • valve unit 1 here comprises a total of 16 individual electropneumatic valves.
  • each valve 3a-3d occupied in this embodiment, an angle of 45 °, wherein the cylinder segment of 180 ° over the juxtaposition of the valves 3a-3d one above the other facing edge sides 6a and 6b of adjacent valves 3a-3d results.
  • a working port 9 for this outgoing - not shown - working lines for loading downstream pressure medium units provided.
  • the supply and disposal with or by pressure means via the inner radial region of the valves 3a-3d over longitudinally through the Valve carrier 2 extending feed pressure ducts 10a and 10b and a central vent passage 11.
  • For electrical control of the valves 3a-3d are - not shown - corresponding electrical contact means are provided, which are also arranged in the inner radial connection region of the valves 3a-3d.
  • the valve unit 1 ' can also be formed with a cylindrical shape. Overall, there are eight valves 3a-3h per level, each occupying an angle of 45 °. About the eight stacked valve levels find a total of 64 individual valves in this cylindrical valve unit 1 'space.
  • a central connection 12 is provided for supplying the entire valve unit 1 'with the feed pressure.
  • the central connection 12 is surrounded by a ring-shaped central vent opening 13, which is provided with an integrated silencer, and which communicates with the central venting channel 11, which is likewise not visible here.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Housings (AREA)
  • Multiple-Way Valves (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

The valve unit has several electropneumatic valves (3a-3d) assembled together for the switching of a flow under pressure. The feed and disposal of pressurized medium takes place through at least one associated valve carrier (2) with common feed passages (10a,10b) and exhaust passages (11). The valve carrier has V-shaped valve holding positions (5a-5d) for the connection of correspondingly formed valves in order to form via facing flank sides (6a,6b) of adjacent valves a cylindrical segment-like or cylindrical design.

Description

Die vorliegende Erfindung betrifft eine Ventileinheit mit mehreren durch Aneinanderreihung örtlich zusammengefassten elektropneumatischen Ventilen zum Schalten eines Druckmittelflusses, deren Versorgung oder Entsorgung mit/von Druckmittel über mindestens einen zugeordneten Ventilträger mit gemeinsamen Speisedruckkanälen beziehungsweise Entlüftungskanälen erfolgt.The present invention relates to a valve unit having a plurality of locally summarized by juxtaposition electropneumatic valves for switching a pressure medium flow, the supply or disposal with / of pressure medium over at least an associated valve carrier with common feed pressure channels or ventilation channels takes place.

Das Einsatzgebiet derartiger Ventileinheiten erstreckt sich vornehmlich auf solche pneumatischen Anlagen, bei welchen mehrere Druckmittelaggregate - wie Druckmittelzylinder oder Drehantriebe - über Ventile zu beaufschlagen sind. Hierbei hat sich eine örtliche Zusammenfassung der mehreren erforderlichen Ventile zu einer kompakten Baueinheit in Form einer Ventileinheit bewährt. Die Ventileinheit bietet insbesondere den Vorteil einer einfachen Montage am Einsatzort sowie einer einfachen Aus tauschbarkeit defekter Ventile im Reparaturfall.The field of application of such valve units extends primarily to such pneumatic systems in which several pressure medium units - such as pressure cylinder or rotary actuators - are to be acted upon by valves. Here, a local summary of the several required valves has proven to be a compact unit in the form of a valve unit. The valve unit offers in particular the advantage of easy installation on site as well as a simple exchange of defective valves in case of repair.

Aus dem Produktkatalog "Knowhow in Pneumatics" (Rexroth Mecman GmbH, Drucknummer 00010 006 01, Seite 6.263 ff.) geht eine gattungsgemäße Ventileinheit hervor. Die Ventileinheit ist durch eine Aneinanderreihung mehrerer Ventile gebildet. Die Ventile werden auf einem gemeinsamen Ventilträger befestigt. Längs durch den Ventilträger verläuft ein zentraler Speisedruckkanal sowie zwei hierzu benachbarte Entlüftungskanäle. Durch diverse Querbohrungen in Richtung der Ventile stehen der Speisedruckkanal sowie die beiden Entlüftungskanäle mit korrespondierenden Ver-/Entsorgungsanschlüssen seitens der Ventile in Verbindung. Die elektrische Anbindung der einzelnen elektropneumatischen Ventile erfolgt hier über eine außenliegende elektrische Verkabelung, die von Ventil zu Ventil durchgeschleift ist.The product catalog "Knowhow in Pneumatics" (Rexroth Mecman GmbH, print number 00010 006 01, page 6.263 ff.) Shows a generic valve unit. The valve unit is formed by a series of several valves. The valves are mounted on a common valve carrier. Longitudinally through the valve carrier extends a central feed pressure channel and two adjacent thereto venting channels. Through various transverse bores in the direction of the valves, the feed pressure duct and the two venting ducts are in communication with corresponding supply / discharge ports on the part of the valves. The electrical connection of the individual electropneumatic valves takes place here via an external electrical wiring, which is looped through from valve to valve.

Ein Nachteil dieser bekannten Bauform einer Ventileinheit besteht jedoch darin, dass wegen des Aneinanderreihungsprinzips eines Ventils hinter dem anderen Ventil die Baulänge der Ventileinheit direkt abhängt von der Anzahl der hierin vereinten einzelnen Ventile. Es ist bereits versucht worden, durch extremen Schmalbau der einzelnen Ventile die Baulänge großer Ventileinheiten zu minimieren. Allerdings geht der Schmalbau der einzelnen Ventile zu Lasten eines möglichst großen Durchflusswerts des Druckmittels durch die Ventile. Zudem sind die einzelnen außen am Ventil angeordneten Anschlüsse für von dort abgehende Arbeitsleitungen mit zunehmendem Schmalbau nur schwer zugänglich.A disadvantage of this known design of a valve unit, however, is that because of the succession principle of a valve behind the other valve, the length of the valve unit directly depends on the number of individual valves united therein. It has already been attempted to minimize the extreme length of large valve units by extreme narrow construction of the individual valves. However, the narrow construction of the individual valves is at the expense of the largest possible flow value of the pressure medium through the valves. moreover are the individual outside of the valve arranged connections for outgoing there working lines with increasing narrow structure difficult to access.

Es ist daher die Aufgabe der vorliegenden Erfindung eine Ventileinheit zu schaffen, die zum Einen kompakt baut und bei der zum Anderen alle äußeren Anschlüsse gut zugänglich sind.It is therefore the object of the present invention to provide a valve unit, which builds compact on the one hand and on the other hand, all external connections are easily accessible.

Die Aufgabe wird ausgehend von einer Ventileinheit gemäß des Oberbegriffs von Anspruch 1 in Verbindung mit dessen kennzeichnenden Merkmalen gelöst. Die nachfolgenden abhängigen Ansprüche geben vorteilhafte Weiterbildungen der Erfindung wieder.The object is achieved on the basis of a valve unit according to the preamble of claim 1 in conjunction with its characterizing features. The following dependent claims give advantageous developments of the invention.

Die Erfindung schließt die technische Lehre ein, dass der Ventilträger im Wesentlichen V-förmige Ventilaufnahmeplätze zum Anschluss korrespondierend hierzu geformter Ventile aufweist, um über einander zugewandte Flankenseiten benachbarter Ventile insgesamt eine im Wesentlichen zylindersegmentartige bis hin zu einer im Wesentlichen zylindrischen Gestalt auszubilden.The invention includes the technical teaching that the valve carrier has substantially V-shaped valve receiving locations for connecting valves correspondingly shaped therefor, in order to form a substantially cylindrical segment-like up to a substantially cylindrical shape over mutually facing flank sides of adjacent valves.

Der Vorteil der erfindungsgemäßen Lösung liegt insbesondere darin, dass über das neuartige Aneinanderreihungsprinzip eine örtlich kompakte Aneinanderreihbarkeit von einzelnen Ventilen in zwei Richtungen des Raumes möglich ist. Durch die in der Grundgestalt V-förmigen Ventile ergibt sich bei Aneinanderreihung mehrerer Ventile über die einander zugewandten Flankenseiten ein Zylindersegment, das sich bis hin zu einer vollständigen Zylinderform schließen kann. Diese zylindersegmentartige beziehungsweise zylindrische Gestalt ist im Rahmen der Erfindung dahingehend zu verstehen, dass hiermit nicht die strenge geometrische Form eines Zylindersegments oder eines Zylinders gemeint ist. Es braucht die außenradiale Stirnseite der Ventile nicht entsprechend gewölbt ausgebildet sein, sondern kann auch eine gerade Fläche bilden, so dass sich durch die Aneinanderreihung der V-förmigen Ventile insgesamt eine polygonartige Gestalt ergibt, welche sich der Gestalt eines Zylindersegments beziehungsweise Zylinders im Sinne eines Hüllkörpers annähert.The advantage of the solution according to the invention lies in the fact that a spatially compact concatenation of individual valves in two directions of space is possible via the novel arrangement principle. By virtue of the V-shaped valves in the basic shape, when a plurality of valves are lined up over the mutually facing flank sides, a cylinder segment is produced which can close as far as a complete cylinder shape. This cylinder-segment-like or cylindrical shape is to be understood in the context of the invention to the effect that hereby not the strict geometric shape of a cylinder segment or a cylinder is meant. The outer radial end side of the valves need not be correspondingly arched, but may also form a straight surface, so that a polygonal shape results due to the juxtaposition of the V-shaped valves, which takes on the shape of a cylinder segment or cylinder in the sense of an enveloping body approaches.

Zusätzliche nach außen ragende Anschlüsse oder Befestigungsmittel sind bei der Beschreibung der Formgebung der erfindungsgemäßen Ventileinheit natürlich vernachlässigt.Additional outwardly projecting connections or attachment means are of course neglected in the description of the shape of the valve unit according to the invention.

Ein besonderer Vorteil ergibt sich dadurch, dass an jedem V-förmigen Ventilaufnahmeplatz mehrere Ventile über benachbarte großflächige Anlageseiten aneinandergeschichtet sind. Somit entsteht die erfindungsgemäße Ventileinheit durch eine primäre Aneinanderreihung über die Flankenseiten der V- förmigen Ventile bis das durch den Ventilträger vorgegebene Zylindersegment erreicht ist. Anschließend wächst die axiale Länge der erfindungsgemäßen Ventileinheit durch Aneinanderschichtung weiterer solcher Ventilreihen über die an den Flankenseiten benachbarten Anlageseiten der einzelnen Ventile. Insgesamt können somit platzsparend eine beliebige Anzahl einzelner Ventile kompakt zu einer Ventileinheit zusammengefügt werden.A particular advantage results from the fact that at each V-shaped valve receiving location several valves are stacked on adjacent large-scale plant sides. Thus, the valve unit according to the invention is formed by a primary juxtaposition on the flank sides of the V-shaped valves until the cylinder segment predetermined by the valve carrier is reached. Subsequently, the axial length of the valve unit according to the invention increases by juxtaposition of further such rows of valves on the sides adjacent to the flank sides of the individual valves. Overall, thus space-saving any number of individual valves can be compactly assembled to form a valve unit.

Gemäß einer weiteren die Erfindung verbessernden Maßnahme ist an der außenradialen Stirnseite des Ventils mindestens ein Arbeitsanschluss für hiervon abgehende Arbeitsleitungen zur Beaufschlagung nachgeordneter Druckmittelaggregate vorgesehen. Durch die zylindersegmentartige bis zylindrische Grundgestalt der Ventileinheit können die Arbeitsanschlüsse durch ihre außenradiale Platzierung an der Ventileinheit mit maximalem Abstand zueinander und damit gut zugänglich platziert werden. Neben den Arbeitsanschlüssen können an dieser Stelle auch auswechselbare Pilotventile zur Beaufschlagung der Vorsteuerung des Ventils angeordnet werden.According to a further measure improving the invention, at least one working connection is provided on the outside radial end face of the valve for working lines that depart therefrom for acting on downstream pressure medium aggregates. Due to the cylindrical segment-like to cylindrical basic shape of the valve unit, the working ports can be placed by their outside radial placement on the valve unit with maximum distance from each other and thus easily accessible. In addition to the working ports, interchangeable pilot valves for acting on the pilot control of the valve can also be arranged at this point.

Gemäß einer weiteren die Erfindung verbessernden Maßnahme erfolgt die Versorgung oder Entsorgung mit/von Druckmittel über mindestens einen mit dem innenradialen Bereich der Ventile korrespondierenden und längs durch den Ventilträger verlaufenden Speisedruckkanal und/oder Entlüftungskanal. Durch diese koaxial, zentrale Anordnung des Speisedruckkanals beziehungsweise Entlüftungskanals kann der vorzugsweise im Querschnitt gesehen sternförmige Ventilträger mit seine m Ventilaufnahmeplätzen in einfacher Weise als Strangpressprofil aus Metall oder als Spritzgussteil aus Kunststoff hergestellt werden, wobei der längsverlaufende Speisedruckkanal beziehungsweise Entlüftungskanal hierin in einfacher Weise zentral ausbildbar ist. Es ist in diesem Zusammenhang auch denkbar auf einen separaten Ventilträger gänzlich zu verzichten und die einzelnen Ventile aneinander zu befestigen, um die Ventileinheit zu bilden.According to a further measure improving the invention, the supply or disposal is carried out with / by pressure medium via at least one corresponding to the inner radial region of the valves and extending longitudinally through the valve carrier supply pressure channel and / or venting channel. By this coaxial, central arrangement of the feed pressure channel or vent channel can be seen preferably in cross-section star-shaped valve carrier with its m valve receiving places in a simple manner Extruded profile made of metal or as an injection molded part made of plastic, wherein the longitudinal feed pressure channel or venting channel can be formed centrally here in a simple manner. It is also possible in this context to dispense with a separate valve carrier entirely and to attach the individual valves together to form the valve unit.

In einem stirnseitigen Mündungsbereich des mindestens einen Speisedruckkanals an der Ventileinheit kann ein Zentralanschluss zur Speisedruckversorgung platziert werden. Des Weiteren kann in einem stirnseitigen Mündungsbereich des mindestens einen Entlüftungskanals - oder beidseitig - eine Entlüftungsöffnung vorgesehen werden, die gegebenenfalls mit einem Schalldämpfer ausgestattet ist.In a frontal mouth region of the at least one feed pressure channel on the valve unit, a central connection can be placed to the feed pressure supply. Furthermore, in a frontal mouth region of the at least one venting channel - or on both sides - a vent opening may be provided, which is optionally equipped with a silencer.

Die elektrische Anbindung der einzelnen elektropneumatischen Ventile kann über mit dem innenradialen Bereich der Ventile korrespondierende elektrische Kontaktmittel erfolgen. Ebenfalls ist es auch denkbar, dass entsprechende elektrische Kontaktmittel mit den Flankenseiten der Ventile korrespondieren. In diesem Falle eignet sich als elektrisches Kontaktmittel seitens des Ventilträgers eine Art Leiterplatte, die wegen der geringen Dicke besonders zur Anordnung zwischen zwei über zugewandte Flankenseiten benachbarte Ventile geeignet ist.The electrical connection of the individual electropneumatic valves can take place via electrical contact means corresponding to the inner radial area of the valves. It is also conceivable that corresponding electrical contact means correspond to the flank sides of the valves. In this case, suitable as an electrical contact means on the part of the valve carrier is a type of printed circuit board, which is particularly suitable for the arrangement between two adjacent edge sides adjacent valves because of the small thickness.

Vorzugsweise erfolgt die Verbindung der einzelnen Ventile am Ventilträger über eine im Bereich der Ventilaufnahmeplätze vorgesehene Rastverbindung, die eine einfache Montage oder Demontage der einzelnen Ventile unabhängig voneinander aus dem Verbund der Ventileinheit gestattet. Daneben ist es auch denkbar, die einzelnen Ventile über eine herkömmliche Schraubverbindung oder dergleichen am Ventilträger zu befestigen.Preferably, the connection of the individual valves on the valve carrier takes place via a latching connection provided in the region of the valve receiving locations, which permits a simple assembly or disassembly of the individual valves independently of one another from the composite of the valve unit. In addition, it is also conceivable to attach the individual valves via a conventional screw or the like on the valve carrier.

Weitere die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher dargestellt. Es zeigt:

Fig.1
eine perspektivische Ansicht einer Ventileinheit mit zylindersegmentartiger Gestalt,
Fig.2
eine perspektivische Ansicht einer Ventileinheit mit zylindrischer Gestalt.
Further measures improving the invention will be described in more detail below together with the description of a preferred embodiment of the invention with reference to FIGS. It shows:
Fig.1
a perspective view of a valve unit with a cylinder segment-like shape,
Fig.2
a perspective view of a valve unit with a cylindrical shape.

Gemäß Fig.1 weist die Ventileinheit 1 eine zylindersegmentartige Gestalt mit einem Erstreckungswinkel von 180° auf. Diese zylindersegmentartige Gestalt wird über einen Ventilträger 2 erzeugt, der mehrere V-förmige Ventilaufnahmeplätze zum Anschluss korrespondierend hierzu geformter Ventile 3a-3d bereitstellt. Der Ventilträger 2 ist über hakenförmige Anformungen 4a und 4b an eine - hier nicht weiter dargestellte - Trägerkonstruktion befestigbar. Der Ventilträger 2 besitzt in einer Ebene je insgesamt vier V-förmige Ventilaufnahmeplätze 5a-5d, die zum Anschluss korrespondierend geformter Ventile 3a bis 3d in einer Ebene vorgesehen sind. An jedem V-förmigen Ventilaufnahmeplatz 5a-5d sind bei diesem Ausführungsbeispiel jeweils vier Ventile 3a, 3a', 3a", 3a"', über benachbarte Anlageseiten aneinander geschichtet. Somit umfasst die Ventileinheit 1 hier insgesamt 16 einzelne elektropneumatische Ventile.1, the valve unit 1 has a cylinder-segment-like shape with an extension angle of 180 °. This cylinder-segment-like shape is generated via a valve carrier 2, which provides a plurality of V-shaped valve receiving stations for the connection of correspondingly shaped valves 3a-3d. The valve carrier 2 is hook-shaped projections 4a and 4b to a - not shown here - support structure fastened. The valve carrier 2 has in a plane depending on a total of four V-shaped valve receiving seats 5a-5d, which are provided for the connection of correspondingly shaped valves 3a to 3d in a plane. At each V-shaped valve receiving station 5a-5d, four valves 3a, 3a ', 3a ", 3a"' are stacked on adjacent plant sides in this embodiment. Thus, the valve unit 1 here comprises a total of 16 individual electropneumatic valves.

Jedes Ventil 3a-3d belegt in diesem Ausführungsbeispiel einen Winkel von 45°, wobei sich das Zylindersegment von 180° über die Aneinanderreihung der Ventile 3a-3d übereinander zugewandten Flankenseiten 6a und 6b benachbarter Ventile 3a-3d ergibt. An den außenradialen Stirnseiten 8 eines jeden Ventils 3a-3d ist ein Arbeitsanschluss 9 für hiervon abgehende - nicht weiter dargestellte - Arbeitsleitungen zur Beaufschlagung nachgeordneter Druckmittelaggregate vorgesehen. Die Versorgung und Entsorgung mit bzw. von Druckmitteln erfolgt über den innenradialen Bereich der Ventile 3a-3d über längs durch den Ventilträger 2 verlaufende Speisedruckkanäle 10a und 10b sowie einen zentralen Entlüftungskanal 11. Zur elektrischen Ansteuerung der Ventile 3a-3d sind - nicht weiter dargestellte - korrespondierende elektrische Kontaktmittel vorgesehen, welche ebenfalls im innenradialen Anschlussbereich der Ventile 3a-3d angeordnet sind.Each valve 3a-3d occupied in this embodiment, an angle of 45 °, wherein the cylinder segment of 180 ° over the juxtaposition of the valves 3a-3d one above the other facing edge sides 6a and 6b of adjacent valves 3a-3d results. At the outer radial end faces 8 of each valve 3a-3d is a working port 9 for this outgoing - not shown - working lines for loading downstream pressure medium units provided. The supply and disposal with or by pressure means via the inner radial region of the valves 3a-3d over longitudinally through the Valve carrier 2 extending feed pressure ducts 10a and 10b and a central vent passage 11. For electrical control of the valves 3a-3d are - not shown - corresponding electrical contact means are provided, which are also arranged in the inner radial connection region of the valves 3a-3d.

Gemäß Fig.2 kann die Ventileinheit 1' auch mit einer zylindrischen Gestalt ausgebildet werden. Insgesamt finden hier pro Ebene acht Ventile 3a-3h Platz, welche jeweils einen Winkel von 45° einnehmen. Über die acht aufeinandergeschichteten Ventilebenen finden insgesamt 64 einzelne Ventile in dieser zylinderförmigen Ventileinheit 1' Platz. Im stirnseitigen Mündungsbereich des - hier nicht erkennbaren - zentralen Speisedruckkanals ist ein Zentralanschluss 12 zur Versorgung der gesamten Ventileinheit 1' mit dem Speisedruck vorgesehen. Der Zentralanschluss 12 ist umgeben von einer ringförmig ausgebildeten zentralen Entlüftungsöffnung 13, welche mit einem integrierten Geräuschdämpfer versehen ist, und die mit dem hier ebenfalls nicht sichtbaren zentralen Entlüftungskanal 11 in Verbindung steht.According to Figure 2, the valve unit 1 'can also be formed with a cylindrical shape. Overall, there are eight valves 3a-3h per level, each occupying an angle of 45 °. About the eight stacked valve levels find a total of 64 individual valves in this cylindrical valve unit 1 'space. In the frontal mouth region of the - not recognizable here - central feed pressure channel, a central connection 12 is provided for supplying the entire valve unit 1 'with the feed pressure. The central connection 12 is surrounded by a ring-shaped central vent opening 13, which is provided with an integrated silencer, and which communicates with the central venting channel 11, which is likewise not visible here.

Die Erfindung ist nicht beschränkt auf die vorstehend beschriebenen beiden bevorzugten Ausführungsbeispiele. Es sind vielmehr auch Abwandlungen im Rahmen der nachfolgenden Ansprüche denkbar, die von deren Schutzbereich mit umfasst sind. So ist es beispielsweise nicht zwingend, dass die erfindungs gemäße Ventileinheit im Querschnitt gesehen, ein kreisrundes Profil besitzen muss. Die einzelnen Stirnseiten der Ventile können auch in Form einer geraden oder schrägen Ebene ausgeführt sein, so dass sich geometrisch streng genommen auch ein polygonaler Querschnitt ergeben kann.The invention is not limited to the two preferred embodiments described above. On the contrary, modifications are conceivable within the scope of the following claims, which are included in their scope of protection. For example, it is not mandatory that the fiction, contemporary valve unit seen in cross-section, must have a circular profile. The individual end faces of the valves can also be designed in the form of a straight or oblique plane, so that, geometrically speaking, a polygonal cross section can also result.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Ventileinheitvalve unit
22
Ventilträgervalve
33
VentilValve
44
hakenartige Anformunghook-like formation
55
VentilaufnahmeplatzValve receiving space
66
Flankenseiteflank side
77
Anlageseiteinvestment side
88th
Stirnseitefront
99
Anschlussconnection
1010
SpeisedruckkanalSupply pressure channel
1111
Entlüftungskanalvent channel
1212
ZentralanschlussCentral connection
1313
Entlüftungsöffnungvent

Claims (8)

  1. A valve unit, comprising a plurality of electro-pneumatic valves (3a-3d) locally combined with each other by series arrangement, for switching the flow of a pressurized medium, the feeding and venting of which is carried out via at least one associated valve carrier (2) with common feed channels (10a, 10b) or vent channels (11), respectively,
    characterised in that said valve carrier (2) comprises essentially V-shaped valve receiving positions (5a-5d) for coupling corresponding, suitably formed valves (3a-3d), so that essentially a cylinder segment shape, or even an essentially cylindrical shape, is formed by having the flanking surfaces (6a, 6b) of neighbouring valves (3a-3d) face each other.
  2. The valve unit according to claim 1,
    characterised in that a plurality of valves (3a, 3a', 3a", 3a"') is arranged in layers adjacent to each other at each V-shaped valve receiving position (5a-5d) via adjacent contacting sides (7a, 7b).
  3. The valve unit according to claim 1,
    characterised in that at least one working port (9) is provided at a radially inner end face (8) of said valve (3a-3d) for working lines departing herefrom so as to apply pressure to downstream pressurized-medium operated devices.
  4. The valve unit according to claim 1,
    characterised in that the feeding or venting of pressurized medium is carried out via at least one feeding pressure channel (10a, 10b) communicating with the radially inner area of said valves (3a-3d) and longitudinally extending through said valve carrier (2), and/or via said venting channel (11).
  5. The valve unit according to claim 1,
    characterised in that a central port (12) for feeding pressure supply is provided in an end-side opening area of said at least one feeding pressure channel (10a, 10b), and in that a central venting port (13) is provided in an end-side opening area of said at least one venting channel (11).
  6. The valve unit according to claim 1,
    characterised in that the electrical connection of the individual electro-pneumatic valves (3a-3d) is achieved by means of electric contact means communicating with the radially inner area of the valves (3a-3d).
  7. The valve unit according to claim 1,
    characterised in that said valve carrier (2) is made as an extruded profile of metal or as an injection-moulded part of plastic material, wherein said longitudinally extending feeding pressure channel (10a, 10b) and/or said venting channel (11) are centrally formed therein.
  8. The valve unit according to claim 1,
    characterised in that the individual valves (3a-3d) are releasably connected to said valve carrier (2) via a detent connection provided in the area of the valve receiving positions (5a-5d).
EP05103464A 2004-05-03 2005-04-27 Valve unit with several valves Active EP1593890B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004021527A DE102004021527B3 (en) 2004-05-03 2004-05-03 Valve unit with a plurality of locally combined by juxtaposition valves
DE102004021527 2004-05-03

Publications (2)

Publication Number Publication Date
EP1593890A1 EP1593890A1 (en) 2005-11-09
EP1593890B1 true EP1593890B1 (en) 2007-02-21

Family

ID=34939553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05103464A Active EP1593890B1 (en) 2004-05-03 2005-04-27 Valve unit with several valves

Country Status (3)

Country Link
EP (1) EP1593890B1 (en)
AT (1) ATE354754T1 (en)
DE (2) DE102004021527B3 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915409A (en) * 1996-06-13 1999-06-29 Ckd Corporation Manifold
JP3280004B2 (en) * 1999-10-18 2002-04-30 エスエムシー株式会社 Solenoid valve manifold with power supply mechanism
DE20009234U1 (en) * 2000-05-23 2000-08-24 Bürkert Werke GmbH & Co., 74653 Ingelfingen Fluidic connection system
DE20107330U1 (en) * 2001-04-20 2001-07-19 FESTO AG & Co., 73734 Esslingen Fluid control unit
ATE262117T1 (en) * 2001-08-08 2004-04-15 Festo Ag & Co MATRIX-TYPE VALVE ARRANGEMENT

Also Published As

Publication number Publication date
DE102004021527B3 (en) 2005-10-20
DE502005000386D1 (en) 2007-04-05
ATE354754T1 (en) 2007-03-15
EP1593890A1 (en) 2005-11-09

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