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WO2021037317A1 - Dispositif comprenant un applicateur muni d'un réservoir destiné à recevoir un fluide à appliquer et un poste de recharge - Google Patents

Dispositif comprenant un applicateur muni d'un réservoir destiné à recevoir un fluide à appliquer et un poste de recharge Download PDF

Info

Publication number
WO2021037317A1
WO2021037317A1 PCT/DE2020/200073 DE2020200073W WO2021037317A1 WO 2021037317 A1 WO2021037317 A1 WO 2021037317A1 DE 2020200073 W DE2020200073 W DE 2020200073W WO 2021037317 A1 WO2021037317 A1 WO 2021037317A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
loading
tank
applicator
tube
Prior art date
Application number
PCT/DE2020/200073
Other languages
German (de)
English (en)
Inventor
Harald Sonnleitner
Original Assignee
Apson Lackiertechnik Gmbh
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 Apson Lackiertechnik Gmbh filed Critical Apson Lackiertechnik Gmbh
Priority to EP20786239.2A priority Critical patent/EP4021644B1/fr
Priority to DE112020004010.0T priority patent/DE112020004010A5/de
Publication of WO2021037317A1 publication Critical patent/WO2021037317A1/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/047Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/001Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements incorporating means for heating or cooling, e.g. the material to be sprayed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/1481Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet comprising pigs, i.e. movable elements sealingly received in supply pipes, for separating different fluids, e.g. liquid coating materials from solvent or air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16Arrangements for supplying liquids or other fluent material
    • B05B5/1608Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive
    • B05B5/1675Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive the supply means comprising a piston, e.g. a piston pump

Definitions

  • Device comprising an applicator with a tank for receiving a medium to be applied and a charging station
  • the invention relates to a device, aufwei send an applicator with a tank for receiving a medium to be applied and a charging station to which the applicator for filling the tank can be docked, where in the applicator a rotatable about its longitudinal axis Ap plikator worn with a continuous Has longitudinal channel.
  • Such an applicator in the form of an atomizer is described in DE 102007 012 878 B3.
  • the atomizer has an atomizer bell and a compressed air atomizer head arranged centrally to the atomizer bell, to which the medium to be atomized, e.g. B. a colored paint, is fed through a channel in the atomizer head.
  • the atomizer also has an integral tank for the medium to be atomized, which has to be filled from time to time. In the above-mentioned document it was already proposed to fill the tank via the channel to the compressed air atomizer head.
  • the invention is based on the object of making the charging of the tank more effective.
  • the invention provides that the charging station has a La deschaft having at least one channel, which can be inserted into the longitudinal channel and whose distal end can be coupled to a distributor which is arranged in the interior of the applicator between the tank and the applicator device . If the at least one channel is straight, it can be traversed by a pig, which pushes out the medium present in the channel for reuse and cleans the channel.
  • the channels in the applicator between the charging shaft and the tank are relatively short, so that when the medium is changed (color change) only small residues of the old medium remain in this area. which can be removed with a small amount of cleaning agents before the tank is refilled and are insignificant in this respect.
  • the loading shaft preferably has a loading channel, a return channel, which can also take on a flushing function, and a flushing channel.
  • the loading channel is preferably used to fill the tank.
  • the return channel makes it possible, in the event of a color change, to recover the color that is still in the charging channel and to flush an annular channel in the process.
  • the flushing channel is used to clean the device.
  • the invention provides that the loading shaft consists of a central loading tube, a middle tube and an outer tube, where the loading channel from the loading tube, the return channel from an annular gap between the loading tube and the middle tube and the Flushing channel is formed by an annular gap between the middle tube and the outer tube.
  • the remote from the loading station distal end of the charging shaft has a valve system that is introduced into the distributor in the applicator.
  • the distributor has an inlet channel and a tank channel , whereby in a first switching Se ttings of Ventilsys tems the loading channel to the return channel, in a second switch S of the loading channel tellung with the tank passage, and in a third switching Se ttings the return channel and the loading channel are locked.
  • the loading tube can be displaced in the longitudinal direction with respect to the central tube.
  • the distal end of the loading tube is closed, but has lateral openings that connect the loading channel with the return channel, with seals in front of and behind the openings and the inner surface of the central tube has a circumferential bypass, preferably in the form of a bypass groove having.
  • the tank has an integrated heater and / or consists of a transparent material.
  • the last feature enables the color of the medium to be determined using an intelligent camera.
  • the applicator device is an atomizer device, which is preferably implemented by an atomizer bell or a paint-air-nozzle ring.
  • the applicator device has a print head with a plurality of nozzles.
  • Such novel applicator devices allow the medium to be discharged with sharp edges, so that in particular an overspray is largely, if not entirely, avoided.
  • FIG. 1 shows a schematic representation of a device with an atomizer having a tank and a charging station, wherein a valve system is in a second switching position, in which the tank can be filled from the La destation,
  • Fig. 2 shows an enlarged view of the distal end of the shaft, the valve system being in the second switching position
  • Fig. 3 shows an enlarged view of the distal end of the shaft, the valve system is in a third switching position, and
  • FIG. 4 shows an enlarged illustration of the distal end of the shaft, the valve system being in a first switching position.
  • FIG. 1 A first figure
  • the device consists of an atomizer 1 and a charging station 2.
  • the atomizer has an integral tank 3 with a sliding piston 11 which is actuated by a sliding medium originating from a dosing cylinder 4, the dosing cylinder 4 or one driven by a Spindelmo tor 12
  • Dosing pump 5 defines an exact Austra supply rate.
  • the tank 3 has an integrated heating coil 10 to heat the medium (the paint) to a predetermined processing temperature.
  • To the tank includes a first and a second distributor block 6, 7 existing distributor, which is equipped with various valves to control the atomizer.
  • an atomizer device which in this embodiment is designed as an atomizer bell 8, behind which there are paint nozzles 9, which are fed from the tank 3 with the corresponding valves in the distribution blocks 6 and 7 with the medium (paint) are supplied.
  • the rapidly rotating atomizer bell 8 ensures that the colored lacquer is evenly z. B. is discharged onto a vehicle body.
  • a lacquer-air-nozzle ring can also be used instead of an atomizer bell.
  • the charging station 2 consists of a housing 15 with a loading bay 16 into which the atomizer head with the atomizer bell 8 can be inserted.
  • the atomizer is completely cleaned on the outside and at the same time the tank 3 is filled with paint.
  • a charging shaft 17 of the charging station 2 protrudes centrally into the charging bay 16 and is guided through a longitudinal channel in the atomizer bell 8 to the distributor block 7.
  • the loading shaft 17 consists of a loading tube 20, a central tube 21 and an outer tube 22.
  • the inner tube has a loading channel 23.
  • an annulus that functions as a return duct 24 or, depending on the circuit, also serves to flush
  • another annulus which is used as Flushing channel 25 acts.
  • the loading tube 20 is extended back ⁇ rtig beyond the charging station 2 and is ge leads to a paint changer 30, which allows the loading tube 20 to be loaded with different colors.
  • a pig station is located at both ends of the loading tube 20.
  • the pig station at the proximal end of the loading tube 20 is denoted by 31, the one at the distal end by 33.
  • a spherical pig 34 is shown, which is moved by means of a pushing medium from this position to the pig station 31 at the proximal end of the loading tube is displaceable.
  • an adjusting device for moving the loading tube 20 In the housing 15 of the loading station 2 there is also an adjusting device for moving the loading tube 20. This consists of a cylinder piston 32, which is connected to the loading tube 20 and is in three different positions, which are identified with Pos. 1, Pos. 2, Pos. 3 are designated, can be adjusted.
  • the head of the loading shaft 17 forms a valve 40, which is shown symbolically in FIG. 1, but which is actually implemented by the configuration of the head of the loading shaft 17 described below.
  • the loading tube 20 is closed at its distal end, but has sloping lateral openings 35 between the loading channel 23 and the outer surface of the loading tube 20, the mouth of the opening on the outer surface to the proximal End of the loading tube is directed.
  • a ring seal 36, 37, and a bypass groove 38 is formed in the inner surface of the central tube 21.
  • the diameter of the tube or the man can be enlarged from the sealing area to the proximal end of the loading shaft.
  • FIG. 4 the first switching S position or lower position of the loading tube 20 (Item 1 according to FIG. 1) is shown, in which the just mentioned one seal 36 rests against the inner surface of the central tube, while the other seal 37 lies in the area of the bypass groove 38. Thereby are the loading channel 23 and the return channel
  • the flushing channel 25 is in the second distributor 7 always with egg nem inlet channel 42 (see Fig. 2) in the distributor head 7 a related party, which via valves in the distributor blocks 6, 7 with
  • Air or solvent can be charged to clean the assembly. This happens when the atomizer 1 is docked in the charging station 2 and is used to prepare or when filling the new paint into the charging tube 20 or into the tank 3 of the atomizer 1.
  • the description of the exemplary embodiment is not intended to limit the invention to an atomizer. Rather, instead of an atomizer device, the invention can also be implemented with a print head having a plurality of nozzles, which allows the medium to be dispensed with sharp edges.

Landscapes

  • Coating Apparatus (AREA)
  • Spray Control Apparatus (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Abstract

L'invention vise à permettre l'alimentation en fluide du réservoir chauffant (3) d'un applicateur (1). À cet effet, une tige de recharge (17), qui se situe au niveau d'un poste de recharge (2), comporte au moins un canal de recharge (23) et un canal de retour (24), la tête de la tige de recharge (17) étant réalisée sous la forme d'une vanne (40) qui est commandée par l'intermédiaire d'un déplacement du tube de recharge (20) logeant le canal de recharge (23) vis-à-vis d'un autre tube entourant le tube de recharge.
PCT/DE2020/200073 2019-08-27 2020-08-26 Dispositif comprenant un applicateur muni d'un réservoir destiné à recevoir un fluide à appliquer et un poste de recharge WO2021037317A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20786239.2A EP4021644B1 (fr) 2019-08-27 2020-08-26 Dispositif comprenant un applicateur muni d'un réservoir destiné à recevoir un fluide à appliquer et un poste de recharge
DE112020004010.0T DE112020004010A5 (de) 2019-08-27 2020-08-26 Vorrichtung aufweisend einen applikator mit einem tank zur aufnahme eines zu applizierenden mediums und eine ladestation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019122962.6 2019-08-27
DE102019122962.6A DE102019122962A1 (de) 2019-08-27 2019-08-27 Vorrichtung aufweisend einen Zerstäuber mit einem Tank zur Aufnahme eines zu zerstäubenden Mediums und eine Ladestation

Publications (1)

Publication Number Publication Date
WO2021037317A1 true WO2021037317A1 (fr) 2021-03-04

Family

ID=72752251

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2020/200073 WO2021037317A1 (fr) 2019-08-27 2020-08-26 Dispositif comprenant un applicateur muni d'un réservoir destiné à recevoir un fluide à appliquer et un poste de recharge

Country Status (3)

Country Link
EP (1) EP4021644B1 (fr)
DE (2) DE102019122962A1 (fr)
WO (1) WO2021037317A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022121063A1 (de) 2022-08-19 2024-02-22 Apson Lackiertechnik Gmbh Vorrichtung aufweisend einen Applikator mit einem Medientank zur Aufnahme eines zu applizierenden Mediums und eine Ladestation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8014993U1 (de) * 1980-06-04 1980-10-23 Becker, Alfred, 8135 Soecking Zerstaeubereinrichtung
US5186164A (en) * 1991-03-15 1993-02-16 Puthalath Raghuprasad Mist inhaler
GB2271069A (en) * 1992-09-11 1994-04-06 Toyota Motor Co Ltd Rotary Electrostatic Paint Sprayer
DE19962220A1 (de) * 1999-12-22 2001-07-05 Fraunhofer Ges Forschung Beschichtungsstoff-Wechselsystem und Beschichtungssystem für die automatisierte Beschichtungstechnik sowie Verfahren zum automatisierten Beschichten
EP1369183A2 (fr) * 2002-05-27 2003-12-10 Dürr Systems GmbH Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique
DE102007012878B3 (de) 2007-03-17 2008-10-30 Apson Lackiertechnik Gmbh Zerstäuber zum Zerstäuben eines Beschichtungsmittels
GB2480966A (en) * 2009-07-30 2011-12-07 Honda Motor Co Ltd Electrostatic coating device for conductive coating material

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8014993U1 (de) * 1980-06-04 1980-10-23 Becker, Alfred, 8135 Soecking Zerstaeubereinrichtung
US5186164A (en) * 1991-03-15 1993-02-16 Puthalath Raghuprasad Mist inhaler
GB2271069A (en) * 1992-09-11 1994-04-06 Toyota Motor Co Ltd Rotary Electrostatic Paint Sprayer
DE19962220A1 (de) * 1999-12-22 2001-07-05 Fraunhofer Ges Forschung Beschichtungsstoff-Wechselsystem und Beschichtungssystem für die automatisierte Beschichtungstechnik sowie Verfahren zum automatisierten Beschichten
EP1369183A2 (fr) * 2002-05-27 2003-12-10 Dürr Systems GmbH Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique
DE102007012878B3 (de) 2007-03-17 2008-10-30 Apson Lackiertechnik Gmbh Zerstäuber zum Zerstäuben eines Beschichtungsmittels
GB2480966A (en) * 2009-07-30 2011-12-07 Honda Motor Co Ltd Electrostatic coating device for conductive coating material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022121063A1 (de) 2022-08-19 2024-02-22 Apson Lackiertechnik Gmbh Vorrichtung aufweisend einen Applikator mit einem Medientank zur Aufnahme eines zu applizierenden Mediums und eine Ladestation

Also Published As

Publication number Publication date
DE102019122962A1 (de) 2021-03-04
EP4021644B1 (fr) 2024-09-18
DE112020004010A5 (de) 2022-05-19
EP4021644A1 (fr) 2022-07-06

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