EP1769234A1 - Appareil de mesure pour le controle de pieces de carrosserie peintes, muni d'un dispositif anti-deterioration - Google Patents
Appareil de mesure pour le controle de pieces de carrosserie peintes, muni d'un dispositif anti-deteriorationInfo
- Publication number
- EP1769234A1 EP1769234A1 EP05790982A EP05790982A EP1769234A1 EP 1769234 A1 EP1769234 A1 EP 1769234A1 EP 05790982 A EP05790982 A EP 05790982A EP 05790982 A EP05790982 A EP 05790982A EP 1769234 A1 EP1769234 A1 EP 1769234A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- paint
- measuring apparatus
- contact
- parts
- bodywork parts
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
Definitions
- Measuring device for the control of painted body parts equipped with an anti-deterioration device
- the present invention relates to a measuring apparatus, for the control of painted body parts, provided with an anti-deterioration device.
- Optical measurement devices are known which are used at the output of paintwork of bodywork parts to check the appearance of the parts, for example their hue, their grain, the tension of their paint or their gloss.
- the optical measuring devices used at the output of paint strings are fixed and scroll through the bodywork parts to be controlled in their field of vision, the parts most often marking a downtime to allow the measurement.
- Such devices are at a distance from the parts to be controlled, which protects them from the risk of deterioration by an inadvertent shock against a moving part.
- the measuring device is no longer static but carried by the arm of a robot, which presents it near the part to be controlled, at different locations of the ci, to take several measurements according to predetermined viewing angles.
- the device approaches the surface of the parts very closely, which considerably increases the risk of collision between the device and the parts.
- the invention aims to propose a solution to effectively protect the measuring device, whatever the circumstances of the measurement, and in particular when said apparatus is moved by a robot.
- the subject of the present invention is an optical measuring apparatus intended to carry out paint quality checks at the exit of paint strings of automobile bodywork parts, comprising a sighting frame through which the apparatus carries out optical measurements. characterized in that it comprises, in front of the frame of sight, a contact sensor capable of signaling any contact of the apparatus with an obstacle.
- the apparatus according to the invention can avoid being subjected to excessive forces on the part of any obstacles with which it could collide, because in the event of a signal supplied by the contact sensor, a
- the reaction may be triggered immediately before degradation of the device.
- Such a reaction may for example be to control the robot so that the device performs a backward movement or to control the conveyor of the paint line to stop the movement of parts.
- a resistive sensor such as the strip-shaped sensor of the French company SAVERKA, marketed under the reference 141 BPH.
- the measuring apparatus is able to perform measurements at a point according to at least two different angles, preferably at three to five angles,
- the measuring apparatus is capable of providing data relating to the hue, tension, grain and / or gloss of the paint,
- the apparatus comprises fixing means for mounting it on a robot; the apparatus is intended to occupy a checkpoint at the output of a paintwork line of bodywork parts, apart from a paint line of crates in white.
- FIG. 1 shows, in perspective, a control station at the output of a paint line
- FIG. 2 is a view similar to Figure 1 showing the same checkpoint after the conveyor has advanced;
- FIG. 3 is a perspective view of a measuring apparatus according to one embodiment of the invention.
- control station is in the path of a conveyor whose rails 1 have been schematically shown.
- a carriage 2 rolls on the rails 1 and moves, by means not shown, in the direction indicated by the arrow 3.
- the carriage 2 comprises two poles 4 carrying a plastic bumper 5 which has just been painted in the paint line.
- the control station comprises a robot 6 equipped with an arm 7 which carries an optical measuring apparatus 8.
- the arm 7 presents the apparatus 8 in a position suitable for taking a control measure.
- the carriage 2 can be temporarily immobilized during the measurement.
- the details of the measurement and the technology to be used for this purpose will not be provided.
- Those skilled in the art can refer to the available technical documentation, for example that associated with the "CARFLASH" device of the American company X-RITE.
- the carriage 2 can advance slightly on the rails 1 to come to rest in a new measurement position shown in FIG. in which the arm 7 presents the measuring apparatus 8 differently with respect to the bumper 5.
- the movements of the arm 7 are programmed in a control device
- the measuring apparatus 8 comprises, as can be seen in FIG. 3, a contact sensor 9 which is disposed at the periphery of its viewing aperture 10, or sighting frame, which defines its field of view 11.
- the contact sensor 9 can detect any obstacle in contact with the periphery of the opening 10 and send a detection signal to a device (not shown) reaction, which can for example stop the conveyor so that even in the event of contact between the measuring device and the bumper 5, no effort is applied to the measuring apparatus.
- the measuring device thus protected is protected against any risk of deterioration.
- the signal from the contact sensor 9 can of course be sent to any other reaction device and in particular to the control device of the robot.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0407984A FR2873204B1 (fr) | 2004-07-19 | 2004-07-19 | Appareil de mesure pour le controle de pieces de carrosserie peintes, muni d'un dispositif anti-deterioration |
PCT/FR2005/001816 WO2006016071A1 (fr) | 2004-07-19 | 2005-07-13 | Appareil de mesure pour le controle de pieces de carrosserie peintes, muni d'un dispositif anti-deterioration |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1769234A1 true EP1769234A1 (fr) | 2007-04-04 |
Family
ID=34947956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05790982A Withdrawn EP1769234A1 (fr) | 2004-07-19 | 2005-07-13 | Appareil de mesure pour le controle de pieces de carrosserie peintes, muni d'un dispositif anti-deterioration |
Country Status (4)
Country | Link |
---|---|
US (1) | US7319516B2 (fr) |
EP (1) | EP1769234A1 (fr) |
FR (1) | FR2873204B1 (fr) |
WO (1) | WO2006016071A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6790861B2 (ja) * | 2017-01-20 | 2020-11-25 | オムロン株式会社 | 検査システム、コントローラ、検査方法、および検査プログラム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4373804A (en) * | 1979-04-30 | 1983-02-15 | Diffracto Ltd. | Method and apparatus for electro-optically determining the dimension, location and attitude of objects |
GB2159271B (en) * | 1984-04-27 | 1988-05-18 | Nissan Motor | Surface flaw detecting method and apparatus |
GB8517834D0 (en) * | 1985-07-15 | 1985-08-21 | Sira Ltd | Inspection apparatus |
US4853879A (en) * | 1987-04-03 | 1989-08-01 | Matzoll Jr Robert J | Automated paint film characterization system |
US5237404A (en) * | 1990-06-28 | 1993-08-17 | Mazda Motor Corporation | Inspection apparatus with improved detection of surface defects over large and curved surfaces |
US6166811A (en) * | 1999-08-12 | 2000-12-26 | Perceptron, Inc. | Robot-based gauging system for determining three-dimensional measurement data |
US6597967B2 (en) * | 2001-02-28 | 2003-07-22 | Board Of Trustees Operating Michigan State University | System and method for planning a tool path along a contoured surface |
BE1015227A3 (fr) * | 2002-11-29 | 2004-11-09 | Centre Rech Metallurgique | Procede et dispositif pour la determination en ligne de la topographie micrometrique de produits en mouvement. |
-
2004
- 2004-07-19 FR FR0407984A patent/FR2873204B1/fr not_active Expired - Fee Related
-
2005
- 2005-07-13 WO PCT/FR2005/001816 patent/WO2006016071A1/fr active Application Filing
- 2005-07-13 EP EP05790982A patent/EP1769234A1/fr not_active Withdrawn
- 2005-07-18 US US11/184,255 patent/US7319516B2/en not_active Expired - Fee Related
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2006016071A1 * |
Also Published As
Publication number | Publication date |
---|---|
US7319516B2 (en) | 2008-01-15 |
WO2006016071A1 (fr) | 2006-02-16 |
FR2873204A1 (fr) | 2006-01-20 |
US20060061767A1 (en) | 2006-03-23 |
FR2873204B1 (fr) | 2007-04-27 |
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Legal Events
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