EP3758856B1 - Soupape de dosage - Google Patents

Soupape de dosage Download PDF

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Publication number
EP3758856B1
EP3758856B1 EP19701095.2A EP19701095A EP3758856B1 EP 3758856 B1 EP3758856 B1 EP 3758856B1 EP 19701095 A EP19701095 A EP 19701095A EP 3758856 B1 EP3758856 B1 EP 3758856B1
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EP
European Patent Office
Prior art keywords
valve
material outlet
housing
metering valve
needles
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.)
Active
Application number
EP19701095.2A
Other languages
German (de)
English (en)
Other versions
EP3758856A1 (fr
Inventor
Sten Mittag
Bernhard Sauer
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.)
Atlas Copco IAS GmbH
Original Assignee
Atlas Copco IAS GmbH
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Publication date
Application filed by Atlas Copco IAS GmbH filed Critical Atlas Copco IAS GmbH
Publication of EP3758856A1 publication Critical patent/EP3758856A1/fr
Application granted granted Critical
Publication of EP3758856B1 publication Critical patent/EP3758856B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1026—Valves
    • B05C11/1028—Lift valves

Definitions

  • the distance between the material outlet openings is limited at the bottom by the diameter of the valve needles and by a minimum distance between the valve needles, the latter resulting from the need for precise guidance of the valve needles and a seal preventing the viscous material from escaping between the valve needles and the housing.

Landscapes

  • Lift Valve (AREA)
  • Coating Apparatus (AREA)

Claims (17)

  1. Soupape destinée au dosage de matières visqueuses et comprenant un carter (12), un canal (16) de circulation de matière qui s'étend dans ledit carter (12) et débouche dans plusieurs orifices (26) de sortie de matière, et des pointeaux obturateurs (24) montés à coulissement dans ledit carter (12), dont le nombre correspond au nombre desdits orifices (26) de sortie de matière, sachant qu'un siège d'obturation (22) est affecté à chaque pointeau obturateur (24) et que chaque pointeau obturateur (24) est mobile entre une position de fermeture, dans laquelle il repose sur le siège d'obturation (22) qui lui est affecté et obture l'un desdits orifices (26) de sortie de matière, et une position d'ouverture dans laquelle l'orifice concerné (26) de sortie de matière est libéré, caractérisée par le fait que les pointeaux obturateurs (24) sont fabriqués en métal dur et sont guidés à coulissement longitudinal, en franchissant des orifices traversants (30), dans un bloc de guidage (28) implanté à distance des sièges d'obturation (22), lequel bloc de guidage (28) est fabriqué en métal dur, au moins au niveau des surfaces intérieures desdits orifices traversants (30) qui sont tournées vers lesdits pointeaux obturateurs (24).
  2. Soupape de dosage selon la revendication 1, caractérisée par le fait que les surfaces intérieures des orifices traversants (30) sont en contact étanche avec les pointeaux obturateurs (24).
  3. Soupape de dosage selon la revendication 1 ou 2, caractérisée par le fait que le bloc de guidage (28) est fabriqué d'une seule pièce en métal dur.
  4. Soupape de dosage selon l'une des revendications précédentes, caractérisée par le fait que chaque siège d'obturation (22) est fabriqué en métal dur ; et par le fait que les sièges d'obturation (22) sont situés sur un bloc (20) à sièges d'obturation fabriqué en métal dur, de préférence d'une seule pièce.
  5. Soupape de dosage selon l'une des revendications précédentes, caractérisée par le fait que le carter (12) est muni d'une partie d'alimentation (14) parcourue, par le canal (16) de circulation de matière, jusqu'aux sièges d'obturation (22) à partir d'un orifice (18) d'entrée de matière ; et par le fait que le bloc de guidage (28) est intégré dans ladite partie d'alimentation (14).
  6. Soupape de dosage selon la revendication 5, caractérisée par le fait qu'une chambre de rinçage (34) conçue pour recevoir un fluide est située, dans le carter (12), à la face postérieure (32) du bloc de guidage (28) tournée à l'opposé des sièges d'obturation (22) ; par le fait que ledit carter (12) comporte un conduit d'arrivée (38) et un conduit d'évacuation (40), destinés à guider l'écoulement de fluide à travers ladite chambre de rinçage (34) ; et par le fait que ledit carter (12) présente une partie d'obturation (36) qui est reliée à la partie d'alimentation (14), est dotée de ladite chambre de rinçage (34) ou recouvre cette dernière et est munie le cas échéant, au moins par tronçons, dudit conduit d'arrivée (38) et dudit conduit d'évacuation (40).
  7. Soupape de dosage selon l'une des revendications précédentes, caractérisée par le fait que le carter (12) est réalisé en plusieurs parties, comprenant plusieurs parties (14, 20, 28, 36) dont au moins deux sont reliées l'une à l'autre de manière libérable ; et par le fait que l'une desdites parties du carter, reliées mutuellement de manière libérable, se présente comme le bloc de guidage (28) et/ou comme le bloc (20) à sièges d'obturation et/ou comme la partie d'alimentation (14) et/ou comme la partie d'obturation (36).
  8. Soupape de dosage selon l'une des revendications précédentes, caractérisée par le fait que les orifices (26) de sortie de matière et les pointeaux obturateurs (24) sont agencés, à chaque fois, en au moins une rangée.
  9. Soupape de dosage selon l'une des revendications précédentes, caractérisée par une unité d'actionnement équipée d'au moins un actionneur, préférentiellement d'au moins un actionneur piézoélectrique destiné à solliciter le pointeau obturateur (24) à présence minimale.
  10. Soupape de dosage selon la revendication 9, caractérisée par le fait que chaque pointeau obturateur (24) est logé, par son extrémité (46) tournée à l'opposé du siège d'obturation (22) associé, dans une douille (48) en métal et préférentiellement en acier spécial, à laquelle il est relié ; et par le fait que chaque douille (48) peut être sollicitée par l'unité d'actionnement.
  11. Soupape de dosage selon la revendication 10, caractérisée par le fait qu'une articulation à corps solides est interposée entre chaque douille (48) et l'unité d'actionnement.
  12. Soupape de dosage selon l'une des revendications précédentes, caractérisée par le fait qu'un canal de décharge de matière communiquant avec le canal (16) de circulation de matière s'étend, dans le carter (12), vers un orifice de décharge de matière.
  13. Soupape de dosage selon l'une des revendications précédentes, caractérisée par le fait que chaque pointeau obturateur (24) est mobile le long de son axe longitudinal (58), entre la position de fermeture et la position d'ouverture ; et par le fait qu'un canal (56) de sortie de matière, dont l'axe médian (60) est infléchi suivant un angle aigu (a) par rapport à l'axe longitudinal (58) du pointeau obturateur (24) associé, s'étend entre chacun des sièges d'obturation (22) et l'orifice associé (26) de sortie de matière.
  14. Soupape de dosage selon la revendication 13, caractérisée par le fait que les axes médians (60) de tous les canaux (56) de sortie de matière s'étendent avec parallélisme mutuel.
  15. Soupape de dosage selon la revendication 13 ou 14 et selon la revendication 8, caractérisée par le fait que les axes médians (60) de tous les canaux (56) de sortie de matière s'étendent transversalement vis-à-vis d'un plan sous-tendu par les axes longitudinaux (58) des pointeaux obturateurs (24).
  16. Soupape de dosage selon l'une des revendications 13 à 15, caractérisée par le fait que les orifices (26) de sortie de matière sont pratiqués dans une surface (62) de sortie de matière ; et par le fait que les axes médians (60) des canaux (56) de sortie de matière s'étendent perpendiculairement à ladite surface (62) de sortie de matière.
  17. Procédé d'application d'une matière visqueuse sur une pièce d'usinage, une soupape de dosage (10, 110) conforme à l'une des revendications 13 à 16 étant animée d'un mouvement, vis-à-vis de ladite pièce, dans la direction dans laquelle l'axe (les axes) médian(s) (60) est (sont) infléchi(s) par rapport à l'axe longitudinal (58) du pointeau obturateur (24) respectivement associé.
EP19701095.2A 2018-04-16 2019-01-18 Soupape de dosage Active EP3758856B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018108915.5A DE102018108915A1 (de) 2018-04-16 2018-04-16 Dosierventil
PCT/EP2019/051226 WO2019201483A1 (fr) 2018-04-16 2019-01-18 Soupape de dosage

Publications (2)

Publication Number Publication Date
EP3758856A1 EP3758856A1 (fr) 2021-01-06
EP3758856B1 true EP3758856B1 (fr) 2022-03-23

Family

ID=65041767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19701095.2A Active EP3758856B1 (fr) 2018-04-16 2019-01-18 Soupape de dosage

Country Status (6)

Country Link
US (1) US20210146397A1 (fr)
EP (1) EP3758856B1 (fr)
KR (1) KR102579581B1 (fr)
CN (2) CN111989165B (fr)
DE (1) DE102018108915A1 (fr)
WO (1) WO2019201483A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102657980B1 (ko) * 2019-11-20 2024-04-15 에이치디현대인프라코어 주식회사 파일럿 포펫형 릴리프 밸브
DE102020123966A1 (de) 2020-09-15 2022-03-17 Atlas Copco Ias Gmbh Verfahren zum Zusammenbau eines Nadelventils
DE102021109850A1 (de) * 2021-04-19 2022-10-20 Vermes Microdispensing GmbH Dosiermodul

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EP0894036B1 (fr) * 1996-04-01 2000-05-10 Ford Motor Company Distributeur de soudure

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Also Published As

Publication number Publication date
CN111989165B (zh) 2023-01-13
DE102018108915A1 (de) 2019-10-17
WO2019201483A1 (fr) 2019-10-24
KR102579581B1 (ko) 2023-09-15
KR20200143682A (ko) 2020-12-24
EP3758856A1 (fr) 2021-01-06
CN111989165A (zh) 2020-11-24
CN116037395A (zh) 2023-05-02
US20210146397A1 (en) 2021-05-20

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