EP3222360A1 - Zerstäuber für beschichtungsprodukt, montage- und demontageverfahren - Google Patents

Zerstäuber für beschichtungsprodukt, montage- und demontageverfahren Download PDF

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Publication number
EP3222360A1
EP3222360A1 EP17161725.1A EP17161725A EP3222360A1 EP 3222360 A1 EP3222360 A1 EP 3222360A1 EP 17161725 A EP17161725 A EP 17161725A EP 3222360 A1 EP3222360 A1 EP 3222360A1
Authority
EP
European Patent Office
Prior art keywords
sprayer
stator
guiding element
air guiding
skirt
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.)
Granted
Application number
EP17161725.1A
Other languages
English (en)
French (fr)
Other versions
EP3222360B1 (de
Inventor
Gilles GOISOT
Sylvain Perinet
Cédric LE STRAT
Nicolas Bertrand
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.)
Exel Industries SA
Original Assignee
Exel Industries SA
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 Exel Industries SA filed Critical Exel Industries SA
Priority to PL17161725T priority Critical patent/PL3222360T3/pl
Publication of EP3222360A1 publication Critical patent/EP3222360A1/de
Application granted granted Critical
Publication of EP3222360B1 publication Critical patent/EP3222360B1/de
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
    • 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
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1092—Means for supplying shaping gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0418—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0422—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • 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
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0426—Means for supplying shaping gas

Definitions

  • the present invention relates to a spray coating product, intended to be mounted at the end of the arm of a multi-axis robot, a manipulator back and forth more commonly called reciprocator, or stationary.
  • Multi-axis robots are used especially on automobile paint lines to deposit a coating product, such as a primer, a varnish or paint.
  • some sprayers are equipped with a high speed turbine, which drives a bowl in rotation about a spraying axis.
  • a skirt is fixed on the stator of the turbine to diffuse an air jet inside and / or outside the cloud of coating product, so as to stabilize the cloud.
  • This skirt is bipartite: it includes an inner portion and an outer portion arranged to diffuse "straight" air and / or air "vortex".
  • the skirt is fixed on the body of the sprayer either by directly screwing the outer portion of the skirt on the body of the sprayer, or by means of a special nut which is screwed to the body of the sprayer and which maintains skirt by a shoulder.
  • the skirt is crossed by independent circuits of compressed air. Often, these independent circuits include one or more directional air circuits, called “right” air, one or more additional air circuits, called “vortex” air, and one or more cleaning solvent circuits.
  • a skirt thus comprises between five and eight independent circuits, which are connected to complementary circuits defined in the body of the sprayer.
  • the skirt must therefore be positioned angularly relative to the body of the sprayer in a predefined manner. This predefined angular position is maintained by an additional component, such as a radial pin.
  • the radial pin makes cleaning operations complicated and laborious because many seals must be changed periodically.
  • the invention particularly intends to remedy by proposing a coating product sprayer with which the successive assembly and disassembly operations of the skirt do not deteriorate the sprayer components.
  • US 2003/234299 A1 discloses several embodiments of a coating product sprayer.
  • the sprayer comprises a body defining a receiving portion of a spray unit and a receiving portion of a cartridge.
  • This sprayer is specific in that it comprises magnetic fixing means for fixing the cartridge inside the portion of the body.
  • These magnetic fastening means may comprise permanent magnets or electromagnets.
  • the spraying unit comprises an air guiding element defining air ejection holes.
  • the cartridge is intended to be replaced and is therefore completely removable. It can not therefore be considered as a fixed member of the sprayer within the meaning of the invention.
  • the magnetic fastening means mentioned in this publication serve to fix the cartridge within the portion provided in the body, and not to fix the air guide element with the fixed body of the sprayer.
  • WO 2015/191323 A1 discloses several embodiments of a spray head for a spray device.
  • the spray head includes a nozzle defining a fluid ejection passage and an air guide member, which includes two diametrically opposed horns, for generating atomizing air jets.
  • the spray head is attached to a gun body.
  • the gun comprises a pair of elastic tongues provided with respective openings. When the gun body and the spray head are engaged with each other, the resilient tongues are resiliently deformed outwardly until stops on the spray head penetrate the openings. . It is indicated on page 7, lines 27 to 30, that such fixing means could be replaced by magnets.
  • the magnets mentioned in this passage of the description do not form means for fixing the air guide element on a fixed member of the sprayer. Indeed, the magnets concern the fixing of the spray head on the gun body. Moreover, the stops are provided on a barrel on which is fixed the air guide element. In particular, the air guide element can be fixed rigidly or pivotally on the barrel. In addition, the disclosed material applies more particularly to a manual application gun a coating product, not a sprayer to be mounted on a robot.
  • the air guide element can be mounted and removed without risk of damaging the sprayer components because no threading is used.
  • the invention also relates to a method of mounting an air guiding element on a fixed member of a sprayer as described above. This method involves moving the air guiding member and the fixed member relative to each other until reaching a position in which the air guiding member is attached to the member. fixed by cooperation of the magnetic attraction means with the piece of ferromagnetic material.
  • the invention finally relates to a method of disassembly of an air guide element relative to a fixed member of a sprayer as described above.
  • the method consists of moving the air guiding element and the fixed member relative to one another until it reaches a position in which the magnetic attraction means no longer cooperates with the piece of material ferromagnetic.
  • the relative displacement between the guide member and the fixed member is a displacement in translation along the central axis and a tool provided with a wedge is used to move the guide element and the member axially fixed to one another during disassembly.
  • the sprayer 1 is an electrostatic sprayer.
  • a shoulder 20 decreases the outer diameter of the stator 2 of the turbine going forward.
  • the turbine stator 2 delimits a central bore 22 for receiving the rotor.
  • the shoulder 20 of the stator 2 defines an annular surface perpendicular to the axis X-X '. This annular surface comprises at least one recess 24, in which is received a magnetic attraction means 6.
  • this magnetic attraction means is a permanent magnet.
  • the stator 2 comprises at least one pin which protrudes radially outwards with respect to its outer surface of the stator 2.
  • the stator 2 comprises three pins, among which two pins are referenced 26a and a pin is referenced 26b.
  • the two pawns 26a are the pawns that are the least spaced apart from each other. Only one of these two pieces 26a is visible at the figure 2 .
  • the pins 26a and 26b are distributed irregularly around the axis X-X '.
  • An air guide element 4 is fixed on a fixed member of the sprayer 1.
  • this element is a skirt and the stationary member is the stator 2 of the turbine.
  • the skirt comprises an inner portion 4a and an outer portion 4b screwed around the inner portion 4a.
  • the skirt 4 is monobloc.
  • the skirt 4 has a geometry of revolution about the axis X-X '.
  • the inner portion 4b of the skirt 4 has a shoulder 40 complementary to the shoulder 20 of the stator 2 of the turbine.
  • the shoulder 40 decreases the inside diameter of the skirt 4 in the forward direction.
  • each notch 42a or 42b extends in a helical direction around the central axis X-X ', with a helix angle ⁇ of between 5 ° and 75 °, in particular of the order of 60 °.
  • This angle ⁇ is measured with respect to a direction orthoradial to the X-X 'axis.
  • the pitch of each notch 42a and 42b around the axis XX ' is on the right seen from the opposite side to the fixed member 2, that is to say seen from the left to figures 1 and 3 . This implies that it is necessary to rotate the skirt 4 to the left seen from the opposite side to the fixed member 2 to fix together the skirt 4 and the fixed member 2. Alternatively not shown, this step can be left seen from the opposite side to the fixed member 2.
  • the skirt 4 can also be mounted automatically using the movement of the multi-axis robot.
  • the skirt 4 is mounted on a support on which it is immobilized in rotation about its axis X-X ', but free in translation along its axis X-X'.
  • the skirt 4 can also be locked in translation.
  • An example of a support is a column, inside which the skirt 4 is received.
  • the multiaxis robot brings the fixed member 2 into a configuration in which each pin 26a and 26b is facing at a corresponding notch 42a and 42b and rotates around the central axis XX 'to engage each of the pins 26a and 26b within the corresponding notch.
  • the relative displacement between the guide member 4 and the fixed member 2 is a displacement both in translation along the central axis X-X 'and in rotation around the central axis X-X'.
  • FIG 4 On the figure 4 is shown a second embodiment of a sprayer according to the invention.
  • the sprayer elements of this second mode which are comparable to those of the first embodiment bear identical reference numerals to those used previously, but followed by a premium (').
  • the skirt 4 ' delimits one or more notches 42' which each extend parallel to the central axis X-X '.
  • a specific tool is used, in particular a clamp, comprising two edges 100A and 100B.
  • Each of the mounts 100A and 100B comprises at least one bevel 102, in particular two bevels 102 and 104, intended to cooperate with inclined surfaces, respectively of the skirt 4 'and the body 3 of the sprayer 1.
  • the bites 100A and 100B are positioned diametrically opposite the sprayer 1 and are moved radially towards each other in a space between the skirt 4 and the body 3 of the sprayer 1, as represented by the arrows F1 at the figure 4 .
  • the tool can be manipulated by an operator or a PLC.
  • the skirt 4 is fixed directly to the body 3 of the sprayer, by fastening means comparable to those described above.
  • the turbine does not have independent circuits 28.
  • the compressed air then circulates, for example, in channels formed between the skirt 4 and the stator 2 of the turbine.
  • each magnet 6 is carried by the skirt 4, while each piece of ferromagnetic material 8 is carried by the stator of the turbine 2 or by the body of the sprayer 3, according to the embodiment considered.
  • the skirt 4 or the stator 2 are made of ferromagnetic material, especially in a non-magnetized ferromagnetic alloy.
  • a ring is rotatably mounted around the narrowed diameter portion of the stator 2 of the turbine.
  • this ring comprises several magnets distributed with alternating polarities in a peripheral direction around the central axis of the ring.
  • the ring therefore does not exert the same magnetic effect regardless of its angular position. Indeed, depending on the angular position of the ring, it can either attract ferromagnetic elements or repel.
  • the skirt 4 In mounted configuration of the skirt 4 on the body 2, it is then sufficient to pivot the ring around the body 2 to push the skirt 4 of the body 2, which facilitates the disassembly of the skirt 4.
  • the disassembly of the skirt 4 can be effected by means of a strap wrench.

Landscapes

  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Nozzles (AREA)
  • Spray Control Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Special Spraying Apparatus (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP17161725.1A 2016-03-21 2017-03-20 Zerstäuber für beschichtungsprodukt, montage- und demontageverfahren Active EP3222360B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17161725T PL3222360T3 (pl) 2016-03-21 2017-03-20 Opryskiwacz produktem powlekającym, sposób montażu i demontażu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1652390A FR3048896B1 (fr) 2016-03-21 2016-03-21 Pulverisateur de produit de revetement, procede de montage et de demontage

Publications (2)

Publication Number Publication Date
EP3222360A1 true EP3222360A1 (de) 2017-09-27
EP3222360B1 EP3222360B1 (de) 2019-01-02

Family

ID=56069109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17161725.1A Active EP3222360B1 (de) 2016-03-21 2017-03-20 Zerstäuber für beschichtungsprodukt, montage- und demontageverfahren

Country Status (13)

Country Link
US (1) US11534777B2 (de)
EP (1) EP3222360B1 (de)
JP (1) JP6974016B2 (de)
KR (1) KR102385123B1 (de)
CN (1) CN107214028A (de)
BR (1) BR102017004740A2 (de)
DK (1) DK3222360T3 (de)
ES (1) ES2712927T3 (de)
FR (1) FR3048896B1 (de)
PL (1) PL3222360T3 (de)
PT (1) PT3222360T (de)
RU (1) RU2725431C2 (de)
TR (1) TR201904233T4 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3127535A1 (fr) * 2021-09-29 2023-03-31 Exel Industries Dispositif de fixation de pulvérisateur sur un bras robotisé

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3083722B1 (fr) * 2018-07-13 2020-10-09 Exel Ind Turbine pour dispositif de projection de fluide, dispositif de projection de fluide, ainsi qu'ensemble comprenant un tel dispositif et un outil
US11911783B2 (en) * 2020-09-21 2024-02-27 Scale Up The Fun, Llc Fluid spray gun

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Publication number Priority date Publication date Assignee Title
US20030234299A1 (en) 2001-08-09 2003-12-25 Toshio Hosoda Cartridge type coater
DE102004032045A1 (de) * 2004-07-02 2006-01-26 J. Wagner Ag Rotationszerstäuber
US20150258554A1 (en) * 2014-03-14 2015-09-17 Gunnar van der Steur Rotary atomizer edge guard
WO2015191323A1 (en) 2014-06-10 2015-12-17 3M Innovative Properties Company Nozzle assembly with external baffles

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FR2805182B1 (fr) 2000-02-21 2002-09-20 Sames Sa Dispositif de projection de produit de revetement comprenant un element rotatif de pulverisation
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Publication number Priority date Publication date Assignee Title
US20030234299A1 (en) 2001-08-09 2003-12-25 Toshio Hosoda Cartridge type coater
DE102004032045A1 (de) * 2004-07-02 2006-01-26 J. Wagner Ag Rotationszerstäuber
US20150258554A1 (en) * 2014-03-14 2015-09-17 Gunnar van der Steur Rotary atomizer edge guard
WO2015191323A1 (en) 2014-06-10 2015-12-17 3M Innovative Properties Company Nozzle assembly with external baffles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3127535A1 (fr) * 2021-09-29 2023-03-31 Exel Industries Dispositif de fixation de pulvérisateur sur un bras robotisé
EP4159321A1 (de) 2021-09-29 2023-04-05 Exel Industries Vorrichtung zur befestigung eines zerstäubers an einem roboterarm

Also Published As

Publication number Publication date
KR20170109500A (ko) 2017-09-29
EP3222360B1 (de) 2019-01-02
FR3048896B1 (fr) 2018-04-13
JP2017170436A (ja) 2017-09-28
RU2017109085A3 (de) 2020-05-22
PL3222360T3 (pl) 2019-06-28
KR102385123B1 (ko) 2022-04-11
US11534777B2 (en) 2022-12-27
DK3222360T3 (en) 2019-02-25
BR102017004740A2 (pt) 2017-12-12
TR201904233T4 (tr) 2019-05-21
ES2712927T3 (es) 2019-05-16
JP6974016B2 (ja) 2021-12-01
PT3222360T (pt) 2019-04-29
CN107214028A (zh) 2017-09-29
US20170266672A1 (en) 2017-09-21
RU2725431C2 (ru) 2020-07-02
FR3048896A1 (fr) 2017-09-22
RU2017109085A (ru) 2018-09-20

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