EP0648940B1 - Sammelanschlussplatte für Druckluftverteilung zu Ventilen - Google Patents

Sammelanschlussplatte für Druckluftverteilung zu Ventilen Download PDF

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Publication number
EP0648940B1
EP0648940B1 EP94115581A EP94115581A EP0648940B1 EP 0648940 B1 EP0648940 B1 EP 0648940B1 EP 94115581 A EP94115581 A EP 94115581A EP 94115581 A EP94115581 A EP 94115581A EP 0648940 B1 EP0648940 B1 EP 0648940B1
Authority
EP
European Patent Office
Prior art keywords
subbase
air
exhaust
duct
valves
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.)
Expired - Lifetime
Application number
EP94115581A
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English (en)
French (fr)
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EP0648940A1 (de
Inventor
S.P.A. Univer
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.)
Univer SpA
Original Assignee
Univer SpA
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Filing date
Publication date
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Publication of EP0648940A1 publication Critical patent/EP0648940A1/de
Application granted granted Critical
Publication of EP0648940B1 publication Critical patent/EP0648940B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F15B13/0807—Manifolds
    • F15B13/0814—Monoblock 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
    • F15B13/0807—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
    • F15B13/0821—Attachment or sealing of modular units to each other
    • 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
    • F15B13/0832—Modular valves
    • 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
    • F15B13/0885—Assembly of modular units using valves combined with other components
    • F15B13/0892—Valves combined with fluid components
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration

Definitions

  • the present invention relates to a multiple subbase, for the distribution of compressed air to a set of pneumatic valves according to the preamble of claim 1 and known from EP-A-0 389 777, which may be obtained by simple machining operations from an extruded section bar in aluminium or another material suitable for its construction and use. More particularly the invention is aimed at a multiple subbase which can be made from an extruded section bar both in the form of a single block and component elements, obtained by simple cutting operations from a same section bar.
  • known subbases have a solid structure body in which tubular ducts are formed for supplying and discharging pressurised air respectively, as well as the necessary passages for connection to the individual electropneumatic valves which are assembled on each occasion on the subbase.
  • the main object of the present invention is therefore to provide a subbase for electropneumatic valves which is suitable for reducing the problems of noise pollution in traditional subbases.
  • a further object of the present invention is to provide a subbase of the kind mentioned above, which is economical to manufacture and relatively low in weight, as well as provided with large air exhaust ducts, without thereby increasing the overall dimensions of the subbase itself.
  • Yet a further object of the invention is to provide a multiple subbase as referred above, which can be made in one block or in modular component elements from a same extruded section bar.
  • the subbase denoted as a whole by reference 10, comprises a hollow body 11 obtained from an extruded section bar which is cut to the appropriate dimensions.
  • the body 11 of the subbase can be made either in the form of a single block or composed of a plurality of modular elements, as schematically indicated by the sectioning lines 12 in figures 1 and 2.
  • the body 11 of the subbase is provided with an upper flat surface 11' on which electropneumatic valves 13 ( Figure 2) are appropriately attached and which form part of a pneumatic system for the supply of compressed air from a single supply source (not shown) towards user points or equipment.
  • the subbase 10 comprises an air feeding central duct 14 longitudinally extending for the entire length of the subbase to form a sort of air distributor for the supply of compressed air to the various pneumatic valves 13, through respective supply ports or passages 15 which open towards the upper flat surface 11' of the subbase.
  • the subbase 10 also comprises at least one, and preferably two lateral exhaust ducts 16 and 17 which extend parallel to and on both sides of the central duct 14 for the entire length of the subbase.
  • Each of said exhaust ducts 16 and 17, as clearly indicated by the sectional view of figure 3, has a cross sectional area which is comparatively larger than the cross sectional area of the compressed air supply duct 14 in order to reduce the problems of clogging at the same time lightening the structure of the subbase without jeopardising its solidity.
  • the various pneumatic valves are connected to the user points by means of respective branched of passages 20, 21 which on one side open onto the upper surface 11' of the subbase, while on the other side they lead to fittings 26, 27 which connect the user points, via ducts 24 and 25 obtained by means of suitable cartridges airtightly fitted in the body 11 of the subbase.
  • 34 and 35 denote the exhaust ports for the valves, which open onto the surface 11' for attachment of the valves 13, and towards the corresponding air exhaust ducts 16, 17 respectively.
  • the subbase 10 has at each end a closure head member 28 appropriately fastened by screwes to the body 10 and provided with connectors 29, 30, 31, 32 and 33 for the various ducts for the supply and discharge of air in and from the subbase.
  • the air supply duct 14 and exhaust ducts 16, 17 are substantially defined by flat walls or portions of flat walls which allow optimum distribution of the vaid and of the solid parts, permitting a compact and solid, yet at the same time lightweight, structure of the subbase. More precisely, the central duct 14 for the supply of the compressed air has a cross section with a substantially rectangular shape, whose main axis develops orthogonally to the flat surface 11' for attachment of the pneumatic valves.
  • the central duct 14 for supplying pressurised air to the various pneumatic valves 13 must be calculated with a sufficient cross sectional area for guaranteeing the maximum flow rate of air required for the subbase, reducing refilling losses to a minimum.
  • the subbase according to the invention is provided with exhaust ducts 16, 17 which are large in size, having an area of their cross section which is considerably larger than that of the central duct 14 for supplying pressurised air.
  • the two lateral exhaust ducts 16, 17 must have an area of their cross section which is equal to or greater than double the area of the cross section of the central duct 14 for supplying air.
  • the area of the lateral ducts is equal to approximately four times that of the central duct 14.
  • each exhaust duct 16 and 17, on the side turned towards the plane 11' for attachment of the pneumatic valves opens towards a noise dampening chamber 16' and 17' respectively for housing an air filtering member 36, 37 or another suitable noise dampening means, which extends parallel throughout the length of the duct itself.
  • each filtering member 36, 37 is positioned at the exhaust ports 34, 35 of the valves, that is to say at or near the zone of maximum noise generation. In this way direct communication between the air outlets of the various pneumatic valves and the exhaust ducts 16, 17 of the subbase is avoided.
  • each filtering member 36, 37 may vary in relation to what is shown nevertheless, advantageously, each filtering member 36, 37 may be housed removably by providing in each duct 16, 17 appropriate support means for the filtering members, consisting for example of projections 38 and 39 which extend inside each channel, as shown.
  • one of the projections, for example projection 38 may be made with a C-shaped configuration during the extrusion of the section bar, to allow the passage of suitable tie rods in the case wherein the subbase is obtained by composing several modular units 12, as specified at the beginning.
  • filters 36 and 37 will be used consisting substantially of bars of a length equal to that of the subbase itself, whereas in the case of subbases made with modular units, individual filters 36 and 37 have to be provided, having the same length as each module of the subbase.
  • Each subbase be it constructed enbloc or in several component modules, is provided with end heads 28 for joining to external pipes.
  • An embodiment of an end head 28 is shown in figures 4 and 5 of the accompanying drawings.
  • each head 28 is closed by a front wall in which the various connecting holes are formed, and has an external outline which is identical to that of the body of the subbase.
  • Each head 28 also has, on the side intended to come into contact with the opposite end of the subbase, cavities 40, 41, 42, 43 and 44 which adapt substantially to the shape and dimensions of the air supply and exhaust ducts 14, 16, 17, 18 and 19 of the subbase.
  • Each cavity of the head 28 also communicates with the connecting holes for the passage of air, denoted by 14a, 16a, 17a, 18a and 19a respectively in figures 4 and 5.
  • each head 28 is provided with a filtering element 40a (only one is shown) for a further dampening of noise.
  • the filtering element 40a follows substantially the boundaries of the chamber 40, having a recess 40b at the position of the C-shaped projection 38 for the possible passage of tie rods inside the subbase. In this way two levels of noise dampening are obtained; moreover the entire subbase, complete with end heads, has a "clean" outer appearance and profile without external tie rods or projections of any type.
  • a suitable seal has to be placed between one element and the next one in order to avoid air leakges in the ducts intended to carry pressurised air, such as the supply duct 14 and any ducts 18 and 19 for the pilot valves.
  • the seal 45 at the edges of the holes 114, 118 and 119 intended to carry pressurised fluid, is provided with enlarged annular lips 46 bordered by plane and slanting lateral walls, which diverge and slightly protrude inwards in the duct.
  • the lip 46 also extends between the adjacent bodies 12a and 12b of two adjoining modular elements of the subbase with an annular band 47 of increased thickness compared to the thickness of the seal 45.
  • the seal 45 may be provided with cross-fins 48 projecting on one or both sides along specific portions of the edges of the openings 116 and 177 referred to previously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Damping Devices (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Pipe Accessories (AREA)

Claims (12)

  1. Mehrfachgrundplatte für die Verteilung komprimierter Luft an pneumatische Ventile, wobei die Grundplatte versehen ist mit einem Hohlkörper (11) mit einer oberen Fläche (11') zur Befestigung von Ventilen (13);
       einer Luftzufuhrleitung (14) und wenigstens einer Entleehrungsleitung (16, 17) die sich im Körper (11) der Grundplatte longitudinal erstrecken, sowie abgezweigte Kanäle, die über entsprechende Zufuhr- und Entleerungsanschlüsse (15, 34, 35; 24, 25) in die obere Fläche (11') der Grundplatte münden, um die einzelnen pneumatischen Ventile (13) mit der Zufuhrleitung (14) bzw. mit den Entleerungsleitungen (16,17) bzw. mit Benutzerpunkten zu verbinden,
       dadurch gekennzeichnet, daß die Grundplatte einen Strangpreßabschnittskörper (11) enthält, der mit wenigstens einer Entleerungsleitung (16, 17) mit weiter Strömungsquerschnittsfläche, die größer als die Strömungsquerschnittsfläche der Luftzufuhrleitung (14) ist, versehen ist, und daß die Entleerungsleitung (16, 17) auf der Entleerungsanschlußseite der Ventile (13) eine Geräuschdämpfungs-Luftfiltereinrichtung (36, 37) enthält.
  2. Grundplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Luftfiltereinrichtungen (36, 37) zur Geräuschdämpfung in einer Geräuschdämpfungskammer (16', 17') in der Weise angeordnet sind, daß sie zur Entleerungsleitung (16, 17) der Grundplatte parallel sind und in diese münden.
  3. Grundplatte nach den vorangehenden Ansprüchen, dadurch gekennzeichnet, daß zwischen der Entleerungsleitung (16, 17) und der Geräuschdämpfungskammer (16', 17') interne Vorsprünge (38, 39) vorgesehen sind, die eine Sitzeinrichtung zum Halten der Luftfiltereinrichtung (36, 37) definieren.
  4. Grundplatte nach dem vorangehenden Anspruch, dadurch gekennzeichnet, daß wenigstens einer (38) der Vorsprünge C-förmig ist, um den Durchgang interner Montageverbindungsstangen zu ermöglichen.
  5. Grundplatte nach Anspruch 1, dadurch gekennzeichnet, daß die Luftzufuhrleitung (14) und die Entleerungsleitungen (16, 17) längs eines wesentlichen Teils ihres Umrisses mit flachen Wänden versehen sind.
  6. Grundplatte nach Anspruch 1 oder 5, dadurch gekennzeichnet, daß die Querschnittsfläche der Entleerungsleitungen (16, 17) wenigstens doppelt so groß wie die Querschnittsfläche der Luftzufuhrleitung (14) ist.
  7. Grundplatte nach Anspruch 1, wobei die Grundplatte Endverschlußköpfe (28) enthält, die mit Verbindern (14a, 16a, 17a) zur Verbindung der Leitungen (14, 16, 17) der Grundplatte mit äußeren Rohren versehen sind, dadurch gekennzeichnet, daß der Endverschlußkopf der Grundplatte bei jedem Luftentleerungsverbinder (16a, 17a) eine zusätzliche Luftfiltereinrichtung (40a) zur Geräuschdämpfung enthält.
  8. Grundplatte nach Anspruch 1, gekennzeichnet durch einen einzelnen Block eines Strangpreßabschnittskörpers (11).
  9. Grundplatte nach Anspruch 1, dadurch gekennzeichnet, daß der Körper mehrere modulare einzelne Strangpreßabschnittselemente (12) enthält, die eng nebeneinander angeordnet sind.
  10. Grundplatte nach Anspruch 9, wobei zwischen benachbarten modularen Elementen (12) der Grundplatte ein Dichtungselement (45) vorgesehen ist, dadurch gekennzeichnet, daß das Dichtungselement (45) an jeder Position der Druckluftleitung (14, 16, 17) eine Öffnung (114, 116, 117) aufweist, die mit einer vergrößerten ringförmigen Lippe (46) versehen ist, die teilweise in die Leitung (14, 16, 17) vorsteht.
  11. Grundplatte nach Anspruch 10, dadurch gekennzeichnet, daß die ringförmige Lippe (46) mit auseinanderlaufenden flachen Wänden versehen ist.
  12. Grundplatte nach Anspruch 11, dadurch gekennzeichnet, daß die ringförmige Lippe (46) durch einen ringförmigen Bandabschnitt (47) verlängert ist, dessen Dicke größer als diejenige des übrigen Abschnitts der Dichtung (45) ist.
EP94115581A 1993-10-06 1994-10-04 Sammelanschlussplatte für Druckluftverteilung zu Ventilen Expired - Lifetime EP0648940B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI932124A IT1271510B (it) 1993-10-06 1993-10-06 Sottobase multipla per la distribuzione dell'aria a valvole pneumatiche
ITMI932124 1993-10-06

Publications (2)

Publication Number Publication Date
EP0648940A1 EP0648940A1 (de) 1995-04-19
EP0648940B1 true EP0648940B1 (de) 1998-07-22

Family

ID=11366989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94115581A Expired - Lifetime EP0648940B1 (de) 1993-10-06 1994-10-04 Sammelanschlussplatte für Druckluftverteilung zu Ventilen

Country Status (5)

Country Link
EP (1) EP0648940B1 (de)
AT (1) ATE168743T1 (de)
DE (1) DE69411842T2 (de)
ES (1) ES2119040T3 (de)
IT (1) IT1271510B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3280004B2 (ja) * 1999-10-18 2002-04-30 エスエムシー株式会社 給電機構付き電磁弁マニホールド
DE10013192B4 (de) * 2000-03-17 2004-05-06 Festo Ag & Co. Ventilanordnung
DE10159182B4 (de) * 2001-12-03 2005-07-07 Bosch Rexroth Teknik Ab Ventileinheit mit einem geräuscharmen Entlüftungskanal
DE102004031757A1 (de) * 2004-07-01 2006-01-26 Bosch Rexroth Teknik Ab Ventilanordnung, speziell für die Montage an einem Profilelement
DE102012221135A1 (de) * 2012-11-20 2014-05-22 Robert Bosch Gmbh Verfahren zum Herstellen einer Ventileinrichtung sowie entsprechende Ventileinrichtung
US10092931B2 (en) * 2016-04-19 2018-10-09 Lamb Weston, Inc. Food article defect removal apparatus
US10753507B2 (en) 2016-04-19 2020-08-25 Lamb Weston, Inc. Food article defect removal apparatus
DE102024202860A1 (de) * 2024-03-26 2025-10-02 Siemens Aktiengesellschaft Regeleinrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3910381A1 (de) * 1989-03-31 1990-10-11 Bosch Gmbh Robert Sammelanschlussplatte
DE4004834C2 (de) * 1990-02-16 1996-06-13 Festo Kg Ventilbaugruppe
DE4232628A1 (de) * 1992-09-29 1994-03-31 Herion Werke Kg Wegeventil

Also Published As

Publication number Publication date
ATE168743T1 (de) 1998-08-15
DE69411842T2 (de) 1998-12-10
IT1271510B (it) 1997-05-30
ES2119040T3 (es) 1998-10-01
ITMI932124A1 (it) 1995-04-06
ITMI932124A0 (it) 1993-10-06
EP0648940A1 (de) 1995-04-19
DE69411842D1 (de) 1998-08-27

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