EP1468747B1 - Tête de pulvérisation pour pulvérisateur - Google Patents

Tête de pulvérisation pour pulvérisateur Download PDF

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Publication number
EP1468747B1
EP1468747B1 EP03009080A EP03009080A EP1468747B1 EP 1468747 B1 EP1468747 B1 EP 1468747B1 EP 03009080 A EP03009080 A EP 03009080A EP 03009080 A EP03009080 A EP 03009080A EP 1468747 B1 EP1468747 B1 EP 1468747B1
Authority
EP
European Patent Office
Prior art keywords
spray
spray head
head according
elements
chambers
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
EP03009080A
Other languages
German (de)
English (en)
Other versions
EP1468747A1 (fr
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 EP03009080A priority Critical patent/EP1468747B1/fr
Application filed by Oskar Frech GmbH and Co KG filed Critical Oskar Frech GmbH and Co KG
Priority to ES03009080T priority patent/ES2258677T3/es
Priority to AT03009080T priority patent/ATE318655T1/de
Priority to DE50302494T priority patent/DE50302494D1/de
Priority to PL367317A priority patent/PL206688B1/pl
Priority to JP2004121468A priority patent/JP4440695B2/ja
Priority to US10/825,332 priority patent/US7472841B2/en
Priority to CZ2004511A priority patent/CZ2004511A3/cs
Publication of EP1468747A1 publication Critical patent/EP1468747A1/fr
Priority to HK05100056A priority patent/HK1067575A1/xx
Application granted granted Critical
Publication of EP1468747B1 publication Critical patent/EP1468747B1/fr
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 spraying medium-loaded spray nozzles, which are attached to spray plates or spray bars, which are constructed modularly from sub-elements.
  • a spray head of this type is known from US-A 4,760,961.
  • spray nozzles elements are joined to a plurality of columns in a vertical or horizontal lines, wherein in each case it is ensured that the media to be sprayed can be performed from element to element.
  • These individual spray elements or spacers inserted therebetween are each held together by bolts which are passed through corresponding openings in the sub-elements.
  • This solution has the disadvantage that for different dimensions of the composite Sprühists or plates and different fasteners with different Length must be provided.
  • the bolts or tie rods must be loosened, and as a result all extensions held together by them are also released. Under certain circumstances, even if an additional extension or reduction not at the end of the threaded elements, but at the beginning, so close to the distribution block is necessary, all elements must be threaded from the tie rod. In this case, dirt can penetrate at the separation points.
  • EP 0 724 486 B1 discloses a spray block in which plate-like elements are assembled. Even there, however, the 1971 legiden parts are held together by bolts or tie rods with appropriate length.
  • the invention has the object of providing a spray block of the type mentioned in such a way that a simple modular-like assembly of individual spray elements or connecting parts is possible without an attachment of the parts to each other by bolts or the like. is required.
  • a spray head of the type mentioned that are provided at the ends to be joined together of the sub-receiving chambers for connecting elements, which are provided with through channels for the media to be sprayed, such as air, control media and spray media, which with the supply channels for the media are connected, that the connecting elements each protrude into both chambers of the ends to be joined and are provided with recesses with at least one inclined plane, engage the clamping means which are actuated from the outside and press the partial elements firmly against each other.
  • each sub-element is provided at its connection surfaces in each case with connecting means which allow a release of sub-elements at any point, without screw or the like. must be threaded through holes.
  • the connecting elements may be provided on both end faces with sealing rings, so that they also assume the necessary seal between two adjoining sub-elements.
  • the connecting elements can be designed in a simple manner as cylindrical bolts with two recesses each, which are provided with sloping planes rising to an end face in each case.
  • the clamping means can be easily formed as screws, which cooperate with a conical tip with the recesses.
  • two chambers may be provided parallel to each other at each end of the sub-elements and these chambers may be coaxially with the passage channels for control air and release agent.
  • at least one through-channel for drying air or compressed air can also be arranged between the through-channels for control air and separating means.
  • the sub-elements can be provided with angled end portions for connecting further sub-elements or plates at an angle, in a simple embodiment, the end portions of attached angle pieces arbitrary angular position, for example 45 ° or 90 °, are formed.
  • sub-elements for example, in strip or plate shape are arranged bent in different directions and angles against each other can. This allows any spatial arrangement of spraying elements. To extend or shorten the spray bars or spray plates only has to be separated at the point at which the extension or shortening is to take place. All connecting elements in the entire spray head are identical.
  • FIG. 1 the structure of a spray head according to the invention is shown schematically.
  • a part 1 of an arm movably guided in the direction of the arrows 2 is provided on its underside with a plurality of distributor blocks 3 arranged in alignment with each other, all of which are of identical construction and arranged in the direction of movement 2.
  • the distributor blocks 3 are arranged close to each other and close to the terminal end of the arm 1.
  • the arm 1 which is connected in a known manner with a controllable drive, has in its interior the schematically indicated through-channels 4, 5, 6 and 7, each for supplying release agent, Serve control air and compressed air, which is controlled from the outside.
  • These passageways 4 to 7 continue downwards in each distributor block 3, and supply channels are provided which branch off transversely from these channels and which respectively open at the points 8, 9, 10 and 11 on the sides of the distributor blocks 3. From there, in turn, the connection to spray nozzles 12 via connection plates 13 and flange 14, possibly also with the interposition of spacers 15.
  • the spray nozzles 12 are, as can be seen in particular in FIG. 2, attached to spray profiles 16 and 16a, respectively, which are largely identical to one another.
  • These Sprühisten 16 are provided in their interior with through channels 17, 18 and 19, of which the passage channel 18, for example, for guiding compressed air, the channel 17 for supplying a release agent and the channel 19 for supplying control air, with the help of which with the corresponding valves equipped spray nozzles 12 can be opened at certain times and closed again.
  • these through-channels 17 to 19 are either connected to the through-channels of an adjacent spray bar 16 a or, as indicated on the outer sides of the spray bars 16, by a closure piece 20.
  • FIG. 3 shows how the joining of the end faces of the strips 16 and 16a takes place. It can be seen that in alignment with the through channels 17 and 19 respectively in the end regions of the Bar 16 and the bar 16a chambers 21 and 21a are provided, which extend in both strips 16 and 16a each up to the adjacent element adjacent end face 22.
  • the middle passage 18 has in the region of the end face 22, which also forms the interface between adjacent sub-elements, each having a recess 23 which is provided with a respective sealing ring 24, 24 a. Therefore, these two sealing rings seal the passageway 18 from when the partial elements 16 and 16a are joined together at the front.
  • 21 and 21a connecting elements 25 are inserted into the chambers, which in the embodiment in which the chambers 21 are cylindrical, consist of cylindrical bolts, each at their end faces with a arranged in a recess sealing ring 26 are provided, which rests against a mating surface of the chamber 21 when the elements are joined together tightly.
  • the connecting element 25 also has two inclined surfaces 27 and 28 which each rise to the ends of the connecting element 25 from the axis of the connecting element and in the embodiment part of a conical bore in the periphery of the connecting element 25.
  • the conical tips 29 of Allen screws 30 cooperate in each case, which can be screwed into corresponding threaded bores 31 from the outside in the end region of the strips 16 or 16a. It is readily apparent that when screwing these elements 30, the strips 16 and 16a are pressed with their end faces 22 against each other, and that in this process, the respective sealing rings 26, 24 come to tight contact with their mating surfaces. The strips 16 and 16a are therefore coupled closely to each other.
  • the connecting elements 25 are, as can also be seen, each equipped with a passage 32 which extends in alignment with the passageway 17 and 19 and which has the same diameter as that passageway 17 and 19 respectively. The connecting elements 25 Therefore, they not only serve for mechanically pressing the front ends of adjacent strips 16 or 16a, but they also take over the connection of the respective media channels in the parts to be coupled.
  • Fig. 4 now shows that spray elements e.g. can be coupled with each other in a strip shape with different lengths in a simple manner by the inventive design.
  • strips 16 each aligned, which are provided with spray nozzles 12. It will be appreciated from the foregoing that the media supply through these ledges 16 is through the channels 17, 18 and 19.
  • spray element 33 is added with only one spray nozzle and the passage channels extending in this element are closed by a closure piece 20 on the outside. Also, this closure piece is recognized in the manner explained in Fig. 3, as well as the element 33 is connected to the bar 16.
  • novel fasteners and the spray head produced thereby according to the invention can with relatively few parts like a modular construction of spray heads, which in previously unknown manner can ideally adapt to the inner contour of the molds.

Landscapes

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

Claims (9)

  1. Tête de pulvérisation pour un outil de pulvérisation, en particulier pour la pulvérisation des demi-moules d'une machine à coulée sous pression, avec des pulvérisateurs (12) alimentés en produit à pulvériser et disposés sur des plaques de pulvérisation ou des barres de pulvérisation composées d'éléments partiels (16, 16a) modulaires, caractérisée en ce que les extrémités des éléments partiels (16, 16a) à relier les unes aux autres comportent des chambres d'accueil (21, 21a) pour des éléments de liaison (25) raccordés, à l'aide de canaux traversants (17, 19), aux substances à pulvériser, en ce que les éléments de liaison (25) entrent dans les deux chambres des extrémités à relier l'une à l'autre, sont pourvus d'un canal traversant (32) et d'encoches avec au moins un plan incliné (27, 28), s'accrochent aux éléments de serrage (30) qui peuvent être actionnés de l'extérieur et serrent les éléments partiels (16, 16a) l'un contre l'autre.
  2. Tête de pulvérisation selon la revendication 1, caractérisée en ce que les éléments de liaison (25) des deux faces frontales sont pourvus de rondelles d'étanchéité (26).
  3. Tête de pulvérisation selon la revendication 1, caractérisée en ce que les éléments de liaison (25) ont la forme de boulons cylindriques à deux encoches pourvues chacune de plans inclinés (27, 28) montant vers une face frontale.
  4. Tête de pulvérisation selon la revendication 1, caractérisée en ce que les éléments de serrage sont constitués de vis (30) qui interagissent avec les encoches (27, 28) par l'intermédiaire d'un pointe conique (29).
  5. Tête de pulvérisation selon la revendication 1, caractérisée en ce qu'à chaque extrémité des éléments partiels (16, 16a) sont prévues deux chambres (21) parallèles l'une à l'autre.
  6. Tête de pulvérisation selon la revendication 5, caractérisée en ce que les chambres (21) sont dans le même axe que deux des canaux traversants (17, 19), en particulier ceux destinés à l'air de service et au séparateur.
  7. Tête de pulvérisation selon la revendication 6, caractérisée en ce qu'entre les deux canaux traversants (17, 19) dans l'axe desquels se situent les chambres (21), un troisième canal traversant passe, en particulier celui (18) destiné à l'air de séchage.
  8. Tête de pulvérisation selon la revendication 1, caractérisée en ce que les éléments partiels (16, 16a) sont pourvus d'extrémités pliées pour leur raccordement à d'autres éléments partiels.
  9. Tête de pulvérisation selon la revendication 8, caractérisée en ce que les extrémités de raccords d'angles (35, 36) sont conçues avec un angle prédéfini, en particulier 45° ou 90°.
EP03009080A 2003-04-19 2003-04-19 Tête de pulvérisation pour pulvérisateur Expired - Lifetime EP1468747B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
ES03009080T ES2258677T3 (es) 2003-04-19 2003-04-19 Cabeza de pulverizacion para una herramienta de pulverizacion.
AT03009080T ATE318655T1 (de) 2003-04-19 2003-04-19 Sprühkopf für ein sprühwerkzeug
DE50302494T DE50302494D1 (de) 2003-04-19 2003-04-19 Sprühkopf für ein Sprühwerkzeug
EP03009080A EP1468747B1 (fr) 2003-04-19 2003-04-19 Tête de pulvérisation pour pulvérisateur
PL367317A PL206688B1 (pl) 2003-04-19 2004-04-16 Głowica rozpylająca dla narzędzia rozpylającego
JP2004121468A JP4440695B2 (ja) 2003-04-19 2004-04-16 スプレー装置用のスプレーヘッド
US10/825,332 US7472841B2 (en) 2003-04-19 2004-04-16 Spray head for a spraying tool
CZ2004511A CZ2004511A3 (cs) 2003-04-19 2004-04-19 Postřikovací hlava pro postřikovací nástroj
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 (fr) 2003-04-19 2003-04-19 Tête de pulvérisation pour pulvérisateur

Publications (2)

Publication Number Publication Date
EP1468747A1 EP1468747A1 (fr) 2004-10-20
EP1468747B1 true EP1468747B1 (fr) 2006-03-01

Family

ID=32892920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03009080A Expired - Lifetime EP1468747B1 (fr) 2003-04-19 2003-04-19 Tête de pulvérisation pour pulvérisateur

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006062558A1 (de) 2006-12-29 2008-07-03 Bühler Druckguss AG Verfahren zum Sprühen einer Giessform
US9796060B2 (en) 2012-08-28 2017-10-24 The Gleason Works Quick-change fluid supply apparatus for machining
US10525489B2 (en) * 2013-03-15 2020-01-07 Honda Motor Co., Ltd. Automated sprayer assembly
CN108453234A (zh) * 2018-06-25 2018-08-28 宁波科伟机器人科技有限公司 一种压铸生产用双臂机

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341124A (en) * 1965-06-21 1967-09-12 Macmillan Bloedel And Powell R Spraying method and apparatus
US4082324A (en) * 1976-10-04 1978-04-04 Obrecht Robert E Connection arrangement for manifold blocks
FR2455923A1 (fr) * 1979-05-11 1980-12-05 Carrier Dispositif de distribution de peintures, solvants, vernis ou analogues
AU2790284A (en) * 1983-05-10 1984-11-15 Gerald Martin Welgemoed Pipe connector
US4605170A (en) * 1985-08-23 1986-08-12 Bayrisches Druckgusswerk Thurner Gmbh & Co. Kg Apparatus for wetting mold surfaces with a liquid
JPS63123549A (ja) * 1986-11-13 1988-05-27 Hanano Shoji Kk スプレ−装置
US4760961A (en) * 1987-02-13 1988-08-02 The Snair Company Modular sprayhead assembly
US4774109A (en) * 1987-07-21 1988-09-27 Nordson Corporation Method and apparatus for applying narrow, closely spaced beads of viscous liquid to a substrate
DE4336250A1 (de) 1993-10-23 1995-04-27 Wotec Automationssysteme Gmbh Sprühblock eines Sprühwerkzeugs
US5518043A (en) * 1995-01-09 1996-05-21 Illinois Tool Works Readily assembled and disassembled, modular, pneumatically powered strapping tool
JPH0949578A (ja) * 1995-08-07 1997-02-18 Smc Corp 切換弁における管継手の取付け機構
US5624106A (en) * 1995-11-13 1997-04-29 Weber; Gene Gripping device
US5967418A (en) * 1997-06-13 1999-10-19 Macdonald; Robert W. Spray bar for use with webs of different widths
JP4045366B2 (ja) * 1997-08-11 2008-02-13 Ｓｍｃ株式会社 流体圧機器用配管継手
US6422428B1 (en) * 1998-04-20 2002-07-23 Nordson Corporation Segmented applicator for hot melt adhesives or other thermoplastic materials
US6269823B1 (en) * 1998-05-04 2001-08-07 Eagle-Picher Industries, Inc. Can washing apparatus with plastic risers
DE19941820C1 (de) * 1999-09-02 2001-02-08 Hansa Metallwerke Ag Sanitärarmatur
JP3471777B2 (ja) * 2001-12-19 2003-12-02 花野商事株式会社 スプレー装置
DE10241199B4 (de) * 2002-09-05 2009-01-02 Hiwin Technologies Corp. Linearführung mit pneumatischer Staubentfernung
US6814310B2 (en) * 2002-11-26 2004-11-09 Nordson Corporation Metered liquid dispensing system
ES2258676T3 (es) * 2003-04-19 2006-09-01 Oskar Frech Gmbh + Co. Kg Cabeza de pulverizacion para una herramienta de pulverizacion de moldes.

Also Published As

Publication number Publication date
CZ2004511A3 (cs) 2004-12-15
DE50302494D1 (de) 2006-04-27
PL367317A1 (en) 2004-11-02
ES2258677T3 (es) 2006-09-01
JP4440695B2 (ja) 2010-03-24
US7472841B2 (en) 2009-01-06
HK1067575A1 (en) 2005-04-15
EP1468747A1 (fr) 2004-10-20
PL206688B1 (pl) 2010-09-30
JP2004337848A (ja) 2004-12-02
ATE318655T1 (de) 2006-03-15
US20040217211A1 (en) 2004-11-04

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