EP4132725A1 - Prüfvorrichtung und prüfverfahren zur akustischen funktionsprüfung eines applikationsgeräts - Google Patents
Prüfvorrichtung und prüfverfahren zur akustischen funktionsprüfung eines applikationsgerätsInfo
- Publication number
- EP4132725A1 EP4132725A1 EP21718060.3A EP21718060A EP4132725A1 EP 4132725 A1 EP4132725 A1 EP 4132725A1 EP 21718060 A EP21718060 A EP 21718060A EP 4132725 A1 EP4132725 A1 EP 4132725A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- test
- test container
- coating
- container
- application device
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 207
- 238000010998 test method Methods 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 44
- 238000010422 painting Methods 0.000 claims abstract description 39
- 239000003973 paint Substances 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 30
- 230000037431 insertion Effects 0.000 claims description 30
- 238000011990 functional testing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000011156 evaluation Methods 0.000 claims description 5
- 239000003599 detergent Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 230000032258 transport Effects 0.000 description 30
- 238000004140 cleaning Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/002—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to reduce the generation or the transmission of noise or to produce a particular sound; associated with noise monitoring means
-
- 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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/90—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
- B05B16/95—Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth the objects or other work to be sprayed lying on, or being held above the conveying means, i.e. not hanging from the conveying means
-
- 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
Definitions
- the invention relates to a test device and a test method for the acoustic function test of an application device (e.g. rotary atomizer) which is used in a coating plant (e.g. painting plant) to coat components (e.g. motor vehicle body components).
- an application device e.g. rotary atomizer
- a coating plant e.g. painting plant
- components e.g. motor vehicle body components
- Such a test device and a corresponding test method are known from DE 10 2015 006 161 A1, which enable an acoustic function test of a rotary atomizer.
- the rotary atomizer to be tested is introduced by the associated painting robot into a test container, which also serves as a cleaning device for cleaning the rotary atomizer.
- the rotary atomizer is then operated in accordance with a test program, with microphones measuring and evaluating the sound emissions of the rotary atomizer in order to carry out the functional test.
- faulty operating states of the rotary atomizer usually lead to a corresponding change in the noise emissions, which enables faults to be detected.
- test container is also used to clean the rotary atomizer. It is therefore usually not possible to carry out the function test while the rotary atomizer is being cleaned.
- a relatively complex test container is required here, since the test container is also used to clean the rotary atomizer.
- the invention is therefore based on the object of creating a correspondingly improved test device and a corresponding test method for the acoustic function test of an application device (e.g. rotary atomizer).
- an application device e.g. rotary atomizer
- test device initially has, in accordance with the prior art described at the beginning, a test container which is used to record the application device to be tested during an acoustic function test.
- the application device to be tested is introduced into the test container so that the acoustic function test can then be carried out.
- test device is now distinguished from the prior art described at the beginning in that the test container is movably arranged in the coating system, whereas the cleaning device serving as the test container is arranged stationary in the coating system in the prior art described at the beginning.
- test device according to the invention and the corresponding test method are suitable for acoustic functional testing of various types of application devices.
- the invention is therefore not limited to the acoustic function test of Rotationszer dust, as they are known from the prior art. Rather, the invention is also suitable for an acoustic function test of other types of application devices, such as air atomizers, air-mix devices, airless devices or so-called print heads, which apply the coating agent essentially without overspray.
- the test device is integrated into a coating system (e.g. painting system) which is used to coat components (e.g. motor vehicle body parts) with a coating agent, the coating agent being applied in a coating booth.
- a coating system e.g. painting system
- components e.g. motor vehicle body parts
- the test container is then moved into the coating booth in order to be able to carry out the acoustic function test within the coating booth.
- the test container is arranged on a transport slide which can be moved through the coating system, for example along a painting line of a painting booth.
- transport carriages are known per se from the prior art and are also referred to as “skids”.
- the test container can be attached to the Transport slide be attached so that the test container moves with the transport slide.
- the transport slide with the test container located on it is then moved into the coating booth, whereupon the function test can take place within the coating booth.
- the transport slide with the test container on it is then moved out of the coating booth again in order not to disrupt normal coating operations.
- the test container can be attached to the transport carriage by means of a lifting device.
- the lifting device enables the test container to be lifted from the transport slide so that the test container can be positioned at an optimal height for an acoustic function test.
- test containers are attached to the transport carriage.
- the test containers can be arranged one behind the other in the conveying direction or next to one another with respect to the conveying direction.
- the different test containers can be adapted to different types of application devices.
- one test container can be provided for a rotary atomizer, while another test container is adapted to an air atomizer.
- the various test containers can therefore differ, for example with regard to the size of the test container, the size of the insertion opening of the test container and / or the shape of the insertion opening of the test container.
- the test container preferably has an insertion opening in order to be able to insert the application device to be tested (e.g. rotary atomizer) into the test container.
- This insertion opening is preferably located on the top of the test container, so that the application device to be tested is introduced into the test container from above in a vertical direction.
- the test container preferably has a seal in order to seal the insertion opening when the application device is inserted into the test container.
- the insertion opening is preferably also round, so that an annular gap is formed between the outer contour of the application device and the peripheral edge of the insertion opening, which can be sealed by the seal during the functional test.
- the seal therefore preferably has an annular, encircling sealing lip on the circumferential edge of the insertion opening, the sealing lip resting against the application device in a sealing manner when the application device is inserted into the test container.
- test container can have at least one movable opening flap which is movable between a closed position and an open position.
- movable opening flaps can be provided which are moved in opposite directions.
- test container can have a ventilation base, which preferably runs transversely to the insertion direction and is air-permeable, such ventilation base being known per se from the prior art.
- test container On the underside of the test container there is preferably an outlet opening in order to discharge coating agent residues, rinsing agent residues and / or compressed air from the test container. This is particularly useful if the rotary atomizer to be tested emits steering air during the acoustic function test, which has to escape again from the test container.
- the test container has a sound-absorbing soundproofing lining on its inside, which is intended to prevent sound reflections on the inner wall of the test container, since such sound reflections would disrupt the acoustic function test. It is advantageous here if the soundproofing lining can be replaced so that the soundproofing lining can be replaced when it is soiled.
- the test container has at least one sound sensor in order to detect sound emissions from the application device to be tested in the test container.
- the sound sensors can be, for example, microphones which are arranged inside the test container, the sound sensors preferably being directed into the interior of the test container.
- test container can have a reference sensor in order to detect ambient noise and to be able to calculate it out of the sound emissions that are measured by the actual sound sensor.
- the reference sensor preferably has a main measuring direction which is directed outwards through the insertion opening of the test container in order to detect ambient noises in a targeted manner.
- the reference sensor is preferably arranged below the ventilation floor.
- a plurality of reference sensors are preferably arranged in the test container, which are preferably aligned differently, which advantageously enables optimal suppression of the ambient noise when evaluating the sound emissions.
- the device according to the invention preferably also comprises an evaluation unit which is connected to the sound sensor and preferably also to the reference sensor and which carries out the functional test by evaluating the sound emissions of the application device.
- the evaluation unit for evaluating the sound emissions is not necessarily part of the test device according to the invention. Rather, within the scope of the invention, there is also the possibility that the sound sensor and possibly the reference sensor are connected to a separate external evaluation unit that is not part of the test device according to the invention.
- the invention also claims protection for a transport slide (skid) known per se, which is characterized in that a test container for an acoustic function test is arranged on the transport slide, as already described above.
- the invention also includes the novel use of such a transport slide (skid) for the movable positioning of a test container for acoustic functional testing.
- the invention also claims protection for a complete coating installation with such a test device or such a transport slide.
- the invention also claims protection for a corresponding test method, the individual method steps of the test method according to the invention already resulting from the above description of the test device according to the invention and therefore not having to be described separately.
- Figure 1 is a schematic representation of a transport carriage (skid) with a test container attached to it for an acoustic function test
- Figure 2 is a plan view of the test container according to Figure 1,
- Figure 3 is a sectional view through the test container
- FIG. 4 shows a schematic representation of a transport slide (skid) with four different test containers mounted thereon
- FIG. 5A shows a schematic representation of a painting system according to the invention during painting operation, the transport carriage with the test containers being located outside the painting booth,
- FIG. 5B shows the painting installation according to FIG. 5A during the acoustic function test, in which the transport slide with the test containers is located within the painting booth, as well as
- FIG. 6 shows a flow chart to illustrate the test method according to the invention.
- FIG. 1 shows a schematic representation of a test container 1, which is used to test the acoustic function of a rotary atomizer 2, as shown in FIG.
- the rotary atomizer 2 is introduced into the test container 1 by a painting robot 3, shown here only schematically and in part, through an insertion opening 4, as is already known per se from the prior art cited at the beginning.
- opening flaps 5, 6 are pushed outwards in order to release the insertion opening 4 of the strigbe container 1 so that the rotary atomizer 2 can be inserted into the insertion opening 4.
- a circumferential sealing lip 7 on the peripheral edge of the insertion opening 4 seals the annular gap between the outer contour of the rotary atomizer 2 and the peripheral edge of the insertion opening 4.
- this seal is advantageous so that as no ambient noise as possible penetrates into the test container 1, since this ambient noise could interfere with the acoustic function test of the rotary atomizer 2.
- the sealing by the sealing lip 7 is also useful, because during the acoustic function test media (e.g. detergent, paint) can also be discharged from the rotary atomizer 2 that should not penetrate to the outside.
- acoustic function test media e.g. detergent, paint
- test container 1 To carry out the acoustic function test, several sound sensors 8-11 are arranged in the test container 1, which are directed with their main measuring direction inward on the rotary atomizer 2.
- two reference sensors 13, 14 are arranged in the test container 1 below a ventilation floor 12, the main measuring direction of which is directed towards the insertion opening 4 and has the task of measuring ambient noise so that the ambient noise can then be calculated from the sound emissions can be measured by the sound sensors 8-11.
- the ambient noise is preferably measured before the rotary atomizer 2 is inserted into the test container 1, since the insertion opening 4 is then still free.
- the test container 1 has a sound-absorbing soundproofing lining 15 on the inside, which prevents the sound emissions of the rotary atomizer 2 from being reflected on the inner wall of the test container 1, since such sound reflections would hinder the evaluation.
- the soundproofing lining 15 is exchangeable, which is useful, for example, if the soundproofing lining is soiled.
- test container 1 On the underside of the test container 1 there is also an outlet opening 16 in order to be able to discharge media (for example paint, stylistic devices, compressed air) during the acoustic function test.
- media for example paint, stylistic devices, compressed air
- the test container 1 according to the invention is characterized in that it is not stationary, but rather movably arranged on a transport slide 17 (skid), as is otherwise used in painting systems for conveying the motor vehicle body components to be painted.
- the transport carriage 17 is movable on rails 18, 19 along the painting line.
- test container 1 is mounted on the trans port slide 17 by means of a lifting device 20.
- the lifting device 20 enables the test container 1 to be lifted relative to the transport carriage 17 so that the test container 1 can be positioned at a suitable height to carry out the acoustic functional test.
- FIG. 4 shows a side view of the transport carriage 17 with the test container 1. From this position it can also be seen that, against the conveying direction, three further test containers 21-23 are arranged behind the test container 1.
- the test containers 1, 21, 22, 23 differ here in terms of their size, with the individual test containers 1, 21, 22, 23 each being adapted to a specific type of application device to be tested.
- FIGS. 5A and 5B show a painting installation according to the invention for painting motor vehicle body components 24.
- FIG. 5A shows the normal painting operation, the motor vehicle body components 24 being arranged in a painting booth 25 and being painted by the rotary atomizer 2.
- the transport slide 17 with the test containers 1, 21, 22, 23 is outside the paint booth 25.
- this is advantageous because the transport slide 17 with the test containers 1, 22, 23, 24 is not soiled by paint residues .
- this is also advantageous because the painting operation is not hindered by the transport carriage 17 with the test containers 1, 22, 23, 24.
- FIG. 5B shows the acoustic function test of the rotary atomizer 2.
- the transport carriage 17 with the test containers 1, 21, 22, 23 is moved into the painting booth 25 so that the painting robot 3 can insert the rotary atomizer 2 into the associated test container 1.
- the flowchart according to FIG. 5 is now written below, which illustrates the test method according to the invention.
- a first step S1 there is a normal painting operation, as shown in FIG. 5A.
- the transport slide 17 with the test containers 1, 21, 22, 23 is then outside the painting booth 25, as described above.
- a step S2 it is then checked whether a switch is made to a test mode in which an acoustic function test of the rotary atomizer 2 is to take place.
- a step S4 the disruptive ambient noise is then measured by the reference sensors 13, 14.
- the insertion opening 4 is still free here, so that the reference sensors 13, 14 can measure the ambient noise through the open insertion opening 4.
- a step S5 the rotary atomizer 2 is then introduced into the associated test container 1.
- the sound emissions of the rotary atomizer 2 are measured by the sound sensors 8-11 in a step S7.
- a step S8 the disruptive ambient noises are then calculated from the measured sound emissions of the rotary atomizer 2.
- step S13 the painting operation is then resumed, as is shown schematically in FIG. 5A.
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Coating Apparatus (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020109974.6A DE102020109974A1 (de) | 2020-04-09 | 2020-04-09 | Prüfvorrichtung und Prüfverfahren zur akustischen Funktionsprüfung eines Applikationsgeräts |
PCT/EP2021/058905 WO2021204780A1 (de) | 2020-04-09 | 2021-04-06 | Prüfvorrichtung und prüfverfahren zur akustischen funktionsprüfung eines applikationsgeräts |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4132725A1 true EP4132725A1 (de) | 2023-02-15 |
Family
ID=75478017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21718060.3A Pending EP4132725A1 (de) | 2020-04-09 | 2021-04-06 | Prüfvorrichtung und prüfverfahren zur akustischen funktionsprüfung eines applikationsgeräts |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4132725A1 (de) |
DE (1) | DE102020109974A1 (de) |
WO (1) | WO2021204780A1 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19619000A1 (de) | 1996-05-10 | 1997-11-20 | Gottlob Schwarzwaelder | Vorrichtung und Verfahren zum Reinigen von farb- und lackverschmutzten Gegenständen |
DE19651702C1 (de) * | 1996-12-12 | 1998-04-16 | Joerg Kuechen | Verfahren zum Überwachen der Funktion eines Sprühstrahls, insbesondere in Lackieranlagen |
DE19725048A1 (de) | 1997-06-13 | 1998-12-17 | Audi Ag | Anlage zur Oberflächenbehandlung von Gegenständen |
DE102012006567A1 (de) | 2012-03-30 | 2013-10-02 | Dürr Systems GmbH | Trockeneis-Reinigungseinrichtung für eine Lackieranlage |
DE102015006161A1 (de) | 2015-05-13 | 2016-11-17 | Eisenmann Se | Applikationsvorrichtung, Beschichtungsanlage und Verfahren zum Beschichten von Gegenständen |
-
2020
- 2020-04-09 DE DE102020109974.6A patent/DE102020109974A1/de active Pending
-
2021
- 2021-04-06 WO PCT/EP2021/058905 patent/WO2021204780A1/de unknown
- 2021-04-06 EP EP21718060.3A patent/EP4132725A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2021204780A1 (de) | 2021-10-14 |
DE102020109974A1 (de) | 2021-10-14 |
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