WO2006131583A1 - Applicateur de produits visqueux - Google Patents

Applicateur de produits visqueux Download PDF

Info

Publication number
WO2006131583A1
WO2006131583A1 PCT/ES2006/000335 ES2006000335W WO2006131583A1 WO 2006131583 A1 WO2006131583 A1 WO 2006131583A1 ES 2006000335 W ES2006000335 W ES 2006000335W WO 2006131583 A1 WO2006131583 A1 WO 2006131583A1
Authority
WO
WIPO (PCT)
Prior art keywords
product
air
nozzles
outlet
applicator
Prior art date
Application number
PCT/ES2006/000335
Other languages
English (en)
Spanish (es)
Inventor
Gonzalo Marco Noain
Original Assignee
Melton, S.L.
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
Application filed by Melton, S.L. filed Critical Melton, S.L.
Publication of WO2006131583A1 publication Critical patent/WO2006131583A1/fr

Links

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
    • 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
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets

Definitions

  • the present invention is related to the application of viscous products on surfaces on which they are to be deposited, proposing for this purpose an applicator with characteristics that allow optimizing the quality of the application of the products, at the same time resulting from a large versatility utilization.
  • viscous products such as glues or coating materials
  • application devices that supply the product in a regulated manner on the corresponding surfaces.
  • Said devices consist of a module that operates as a valve, to control the passage of the product towards an application outlet, said module acting in combination with a supply of pressurized air, by means of which the module is operated and the output is caused. of the product for your application.
  • the output of the product in the aforementioned devices is determined through a nozzle incorporated in the end of the module, which is conventionally disposed in a removable way for replacement, different types of nozzles can be used depending on the specific application to be performed in each case.
  • the nozzles consist of fine holes for the exit of the product to be applied, which can be aligned to determine an application strip, being defined in relation to said exit holes of the product other pressurized air outlet holes, so that the projection of the air at the exit drags the application product.
  • the quality of the application depends to a large extent on the arrangement and the number of existing air projection holes in relation to the different exit holes of the product to be applied, which is a question that in the embodiments of conventional applicators is very limited, due to the little space left by the structural configuration of the corresponding nozzles.
  • an applicator intended for the aforementioned function is proposed, which has been developed according to an embodiment comprising very advantageous features to improve the practical function and the result of the application of the products.
  • This applicator object of the invention consists of a module through which the passage of the product to be applied and the air destined to project the product is established, incorporating at the end of said module a coupling support of an outlet nozzle holder of the product, which is held in said support by means of a mooring arrangement that allows disassembly for the replacement of said nozzle holder depending on the application to be made.
  • the nozzle holders intended to be incorporated into the application module comprise a body provided at the rear with a groove for distribution of the product to be applied by a correlation of outlet orifices and with ribs for distribution of the pressurized air by other correlations of exit holes, incorporating in the front part of the mentioned nozzle-nozzles, in correspondence with the exit holes of the product, independent nozzles defining an axial duct and in a ring contour a series of holes around the exit of the axial duct.
  • the orificed contour of the nozzles also configures an annular projection, determining a barrier in which the air collides when leaving the passageways from the distribution grooves, thereby producing a turbulence that unifies the pressure in the chamber prior to the outlet, so that the air comes out uniformly through all the holes that surround the exit of the product, causing a projection of the product perfectly regulated and centered.
  • the application of the product is more advantageous that with the nozzles of the conventional applicator modules, in which the product and air outlet orifices are defined in a single body, which reduces the number of possible air outlet orifices, due to the limited available space, while the projection of the air outlet is made directly from grooved distribution, without there being thus a regulatory standardization 'of the previous outlet air.
  • the nozzles are incorporated on the body of the nozzle holder by means of a simple snap fit, being secured in the coupling with a retaining piece, which is arranged in a sliding insert assembly on a dovetail guide or similar, which allows Easy and quick disassembly to remove the nozzles when you need to clean or replace them.
  • the device for securing the nozzle holders on the coupling support consists of a hitch and screwed into two opposing parts, through which the assembly and disassembly of the nozzle holder coupling is very quick and easy, allowing the use of different nozzles by replacing the nozzle holder.
  • said applicator object of the invention is of certain advantageous characteristics, acquiring its own life and preferential character with respect to the conventional modules of the same function.
  • Figure 1 shows a longitudinal section of the recommended applicator assembly.
  • Figures 2 and 3 are two perspectives of the applicator, without the nozzle holder and with the corresponding nozzle holder.
  • Figure 4 is an exploded perspective of a nozzle holder for this applicator of the invention.
  • Figures 5, 6 and 7 are perspectives observed from the top, from the bottom and according to a cross section, of an example of nozzle holders with the product and air outlet nozzles in a frontally centered position.
  • Figure 8 is a perspective of the applicator provided with a nozzle holder like the previous one provided with a comb attachment.
  • the object of the invention relates to an applicator of viscous products of the type of glues or hot melt materials, comprising a module (1), in which a rod (2) that acts as a shutter of a projection outlet of the product is axially included to apply.
  • the rod (2) is pushed by a spring (3) to establish the closure of the projection outlet of the product, and can be retracted by pneumatic pressure supplied through a conduit (4), to open the product outlet, which is supplied through a respective conduit (5).
  • the output of the product for the application is determined through a nozzle holder body (6), which is incorporated on a support (7) disposed at the end of the module (1), establishing the support of said nozzle holder ( 6) by means of a removable arrangement, so that the nozzle holder (6) that is used can be easily replaced, different types of nozzle holders (6) can be incorporated depending on the application of the product to be made.
  • the nozzle holders (6) have a central groove (9) escorted on the sides by two other grooves (10) parallel to it, so that the central groove (9) makes of manifold to distribute the output of the product to be applied through a series of holes (11), while the lateral grooves (10) act as receiving manifolds for a supply of pressurized air, for distribution thereof by a series of conduits (12) correlative with the holes (11) of the product outlet.
  • independent nozzles (13) are incorporated, which determine an axial conduit for the product exit passage, having a peripheral wing (14) near the end , through which a series of holes are defined that flow around the central part where the axial outlet duct of the product to be applied ends.
  • a chamber (15) in which the air passageways (12) from the grooves (10) to the outlet end, bringing the air to pressure that arrives through the ducts (12) expands in the chamber (15), in which the pressure is uniformized.
  • the air does not directly affect the holes of the wing (14), but is distributed by the chamber (15), from which it flows uniformly through all the holes of the wing (14), thus achieving an action centered and uniform drag of the product that exits through the axial duct of the nozzles (13), which favors the uniformity of the application of the product.
  • the incorporation of the nozzles (13) in the body of the nozzle holder (6) is established by snap fit with o-rings (8) determining a floating assembly, ensuring retention by a piece (16) that is arranged in assembly of insertion on a guide (17) of type dovetail or similar, so that to remove the nozzles (13) it is only necessary to remove the retaining piece (16) by sliding, thereby leaving the nozzles (13) free to be removed, so it is very easy to disassemble them for cleaning or replacement.
  • the arrangement for holding the nozzle holder (6) on the support (7) is established by hooking an edge of the nozzle holder itself (6) into a socket
  • Said mounting arrangement also allows the incorporation of various nozzles (6) for different types of product application, as shown in Figures 3, 8 and 9, in which non-limiting examples have been represented, since the shapes of the nozzles (6) they can be similarly different ones.

Landscapes

  • Coating Apparatus (AREA)

Abstract

L'invention concerne un applicateur de produits visqueux, constitué d'un module (1) dans lequel est formé un passage par lequel peut circuler le produit à appliquer, et un passage par lequel peut circuler de l'air sous pression pour entraîner le produit au niveau de la sortie de l'applicateur, la sortie de projection du produit étant équipée de buses indépendantes (13) entourées d'orifices multiples par lesquels s'écoule l'air sous pression depuis une chambre périphérique intérieure.
PCT/ES2006/000335 2005-06-10 2006-06-08 Applicateur de produits visqueux WO2006131583A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200501335U ES1060479Y (es) 2005-06-10 2005-06-10 Aplicador de productos viscosos perfeccionado.
ESU200501335 2005-06-10

Publications (1)

Publication Number Publication Date
WO2006131583A1 true WO2006131583A1 (fr) 2006-12-14

Family

ID=35004578

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2006/000335 WO2006131583A1 (fr) 2005-06-10 2006-06-08 Applicateur de produits visqueux

Country Status (2)

Country Link
ES (1) ES1060479Y (fr)
WO (1) WO2006131583A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0158096A2 (fr) * 1984-04-09 1985-10-16 Nordson Corporation Buse de pulvérisation à remplacement rapide
EP0324170A2 (fr) * 1988-01-14 1989-07-19 Nordson Corporation Tête de pulvérisation pour tête de dosage à pompe à engrenages
ES1044247U (es) * 1999-10-05 2000-03-16 Melton S L Modulo perfeccionado para la aplicacion de productos viscosos.
EP1243342A2 (fr) * 2001-03-22 2002-09-25 Nordson Corporation Système de distribution universel pour extrusion assistée par air de filaments liquides
US20030173018A1 (en) * 2002-03-15 2003-09-18 Nordson Corporation Method of applying a continuous adhesive filament to an elastic strand with discrete bond points and articles manufactured by the method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0158096A2 (fr) * 1984-04-09 1985-10-16 Nordson Corporation Buse de pulvérisation à remplacement rapide
EP0324170A2 (fr) * 1988-01-14 1989-07-19 Nordson Corporation Tête de pulvérisation pour tête de dosage à pompe à engrenages
ES1044247U (es) * 1999-10-05 2000-03-16 Melton S L Modulo perfeccionado para la aplicacion de productos viscosos.
EP1243342A2 (fr) * 2001-03-22 2002-09-25 Nordson Corporation Système de distribution universel pour extrusion assistée par air de filaments liquides
US20030173018A1 (en) * 2002-03-15 2003-09-18 Nordson Corporation Method of applying a continuous adhesive filament to an elastic strand with discrete bond points and articles manufactured by the method

Also Published As

Publication number Publication date
ES1060479U (es) 2005-09-16
ES1060479Y (es) 2006-01-01

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