EP1584376A2 - Verfahren zum Fördern eines Beschichtungsmaterials und Beschichtungsmaschine - Google Patents
Verfahren zum Fördern eines Beschichtungsmaterials und Beschichtungsmaschine Download PDFInfo
- Publication number
- EP1584376A2 EP1584376A2 EP05007326A EP05007326A EP1584376A2 EP 1584376 A2 EP1584376 A2 EP 1584376A2 EP 05007326 A EP05007326 A EP 05007326A EP 05007326 A EP05007326 A EP 05007326A EP 1584376 A2 EP1584376 A2 EP 1584376A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- connecting line
- coating machine
- coating material
- inner tube
- 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
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 56
- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 15
- 210000000707 wrist Anatomy 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 8
- 238000010422 painting Methods 0.000 abstract description 11
- 239000003973 paint Substances 0.000 description 22
- 238000005516 engineering process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 241000282887 Suidae Species 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000006199 nebulizer Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009503 electrostatic coating Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920009441 perflouroethylene propylene Polymers 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Images
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
- B05B12/14—Arrangements 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
- B05B12/1481—Arrangements 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
-
- 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
Definitions
- the invention relates to a method for conveying a coating material in a programmatic multi-axis Coating machine with an application device and such a coating machine for the series Coating of workpieces according to the preamble of the independent Claims.
- the coating machine may be in particular act as one of the known painting robots as they are for the at least predominantly electrostatic exterior and interior painting of workpieces such as vehicle bodies or for example in the automotive supply industry also of their attachments are common (JOT 1/2004, p 12-13).
- pigs are not just for pushing back Color coat in a color change, but also to the coating material before or during a coating process to supply the atomizer or detergent through the System and possibly to the atomizer or from this in the To promote reverse direction (EP 1 270 083, EP 1 362 641, EP 1 362 642).
- Such hoses (DE 102 39 516) can only be produced with a relatively large diameter, also taking into account that too small inside diameter lead to undesirably high pressure losses.
- the relative thick tubes are correspondingly stiff and not very flexible so that they are poorly bendable within the joints.
- WO 03/086671 A1 is already a method for pushing back in the supply line of a painting device color bleaching remaining in a color change, in which the line by deformation similar to the known Peristaltic pump principle is emptied.
- Supply line uses a relatively soft inner tube which is surrounded by a pressure-resistant outer tube, and in the gap between the inner and outer hoses Compressed air or another pressure medium, which is the outer circumference of the inner tube acted upon.
- a nebulizer with a color change valve arrangement connects when changing color on the Atomiser side Compressed air between outer jacket and inner tube passed, and since the coat does not yield, the Inner tube starting from the atomizer to the color changer pressed together and thereby the residual paint of the supply hose returned to the supply system.
- the declared The aim of the known method is gemörmige lines to avoid.
- This also called "squeeze-out" designated method is the pig technology but in different inferior.
- the inner tube when squeezing completely to compress, so that always a certain paint residue remains behind, which is then rinsed out, for what comparatively large amounts of detergent are required.
- the inner tube tends to elongate due to the repetitive bruising with each color change. Out For these reasons, such hose systems are relatively bad for painting robots and other coating machines, in which long hoses of for example more than 20 m required are.
- the invention is based on the object, a method or a coating machine with one inside the machine indicate a common line with which, on the one hand, the substantial advantage of pig technology can be used namely the virtually complete emptying of the molten line, while on the other hand, at least in the vicinity of the coating device no voluminous joint with large interiors necessary is.
- the invention is based on the realization that all the above solve the problems explained in an almost perfect way, if you make good use of proven pigging technology with the combined known Schlauchquetschmethode. If the pig destination station in the coating machine such as in a robotic arm as close to the atomizer as possible placed, but even before a joint such as the Robotic hand with undesirable narrow for the pigging technology Interior, can between the supply system and this Destination station without restrictions all the benefits of pigging technology be used as e.g. low detergent consumption and high Efficiency of paint recovery even with long hoses.
- the invention by the use of squeeze hose systems instead of earthed connection lines in a machine joint achievable reduction of the space requirement is based not only on the type of hoses used, but also on a possible reduction in the number required Hoses.
- the drawing shows schematically and greatly simplifies the line implementation by the wrist of a painting robot.
- a hollow triaxial Wrist 2 attached to an electrostatic Rotary atomizer 3 is flanged.
- Such constructions are known and customary and therefore require none further description.
- In also known per se Way lead through the wrist 2 two flexible and corresponding the wrist movements bendable lines 4A and 4B to the ink supply of the atomizer in A / B operation, the well-known allows a time-saving color change. at Abandonment by the A / B operation with two parallel Lines of time gained would also be a single line 4 suffice.
- ink supply of the atomizer 3 are also used, for example two molded supply lines 5A and 5B coming from a remote (not shown) color change valve assembly passed through the arm 1 to one at the end of the arm Pigging station 6 are guided and in particular from multilayered Hoses of the type described in DE 102 39 516 can exist.
- the color change valve arrangement is in turn to an at least partially outside of the coating machine connected to the supply system up to the color changer leading ring lines may belong.
- control valve assembly 7 is provided to connect the protected supply lines 5A and 5B with the leads 4A passing through the wrist 2 and FIG. 4B is only schematic in or at pig station 6 illustrated.
- the leading from the pig station 6 to the atomizer 3 connecting lines 4A and 4B according to the invention each consist of a squeeze tube system described in WO 03/086671 A1 Kind, ie of a soft-elastic, radially compressible Inner tube and one inside the tube Resting state preferably tightly surrounding pressure-resistant Jacket hose.
- a squeeze tube system described in WO 03/086671 A1 Kind, ie of a soft-elastic, radially compressible Inner tube and one inside the tube Resting state preferably tightly surrounding pressure-resistant Jacket hose.
- the inner tube 42 may be made of an elastomeric plastic such as TPU (thermoplastic polyurethanes) and the jacket tube made of a plastic such as PA (polyamide) or FEP (fluorinated ethylene propylene) exist.
- TPU thermoplastic polyurethanes
- PA polyamide
- FEP fluorinated ethylene propylene
- the inner tube 42 can be emptied in the manner described in WO 03/086671 A1 flushed described what both possible from the atomizer as well as from the pig station 6 ago is. Instead, however, given the brevity of the practically only by the wrist 2 extending line 4A and the corresponding small amount of after squeezing remaining paint remnants conceivable, on the subsequent To refrain from rinsing and later easily another Pass the paint through. While draining the pipe 4A towards the pig station 6 can through to her parallel second line 4B already a new color in direction be promoted to the atomizer, after which also in this line remaining paint in the manner described is pushed back into the pig station 6.
- an A / B system is the invention achievable reduction of space but especially clear. Looking at the representation of the wrist 2 with the lines 4A and 4B as approximately true to scale, would the required for a gepolles connection system Hose package of paint and control lines almost the entire Fill the interior of the same wrist, so that the required mobility would no longer be guaranteed and the wrist 2 by a larger, so unwanted bulky Construction would have to be replaced.
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims (10)
- Verfahren zum Fördern eines Beschichtungsmaterials in einer programmgesteuerten mehrachsigen Beschichtungsmaschine mit einer Applikationsvorrichtung (3),
bei dem das Beschichtungsmaterial der Applikationsvorrichtung (3) durch mindestens eine innerhalb der Beschichtungsmaschine gemolchte Versorgungsleitung (5A, 5B) zugeführt wird, die an ein Versorgungssystem angeschlossen ist,
und bei dem das Beschichtungsmaterial durch eine Verbindungsleitung (4A, 4B) gefördert wird, die zwischen der gemolchten Versorgungsleitung (5A, 5B) und der Applikationsvorrichtung (3) durch den Innenraum einer Gelenkkonstruktion (2) der Beschichtungsmaschine hindurchgeführt ist,
dadurch gekennzeichnet, dass das Beschichtungsmaterial durch Verformen eines an seinem Umfang von einem Druckmedium beaufschlagten Schlauchs (42) der Verbindungsleitung (4A, 4B) durch die Gelenkkonstruktion (2) gefördert wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das nach einem Beschichtungsvorgang in der Verbindungsleitung (4A, 4B) verbliebene Beschichtungsmaterial durch Verformen der Verbindungsleitung bis in die gemolchte Versorgungsleitung (5A, 5B) zurückgedrückt und von dort in Richtung zu dem Versorgurigssystem zurückgemolcht wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Außenumfang eines Innenschlauchs (42) der Verbindungsleitung (4A) zu dessen Verformung durch ein Druckmedium beaufschlagt wird, das zwischen den Innenschlauch (42) und einen den Innenschlauch (42) koaxial umgebenden Mantel (41) geleitet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Beschichtungsmaterial durch Verformung der Verbindungsleitung (4A, 4B) von der Beschichtungsvorrichtung (3) durch ein Handgelenk (2) der Beschichtungsmaschine, an dem die Beschichtungsvorrichtung (3) montiert ist, hindurch bis zu einer Molchstation (6) zurückgedrückt wird, die sich auf der der Beschichtungsvorrichtung (3) abgewandten Seite des Handgelenks (2) in der Nähe der Beschichtungsvorrichtung (3) in oder an einem Arm (1) der Beschichtungsmaschine befindet.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das in der Verbindungsleitung (4A, 4B) verbliebene Beschichtungsmaterial nach jedem Farbwechsel des Beschichtungsmaterials zurückgedrückt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass in einer ersten Verbindungsleitung (4A) verbliebenes Beschichtungsmaterial in Richtung zu der gemolchten Versorgungsleitung (5A) zurückgedrückt wird, während ein anderes Beschichtungsmaterial durch eine parallel zu der ersten Verbindungsleitung (4A) durch die Gelenkkonstruktion (2) hindurchgeführte zweite Verbindungsleitung (4B) in Richtung zu der Applikationsvorrichtung (3) gefördert wird.
- Programmgesteuerte mehrachsige Beschichtungsmaschine, insbesondere Roboter, für eine Applikationsvorrichtung (3) zur serienweisen Beschichtung von Werkstücken
mit mindestens einer in einen Arm (1) der Beschichtungsmaschine hineingeführten gemolchten Versorgungsleitung (5A, 5B) und mit einer von der Versorgungsleitung durch den Innenraum einer Gelenkkonstruktion (2) der Beschichtungsmaschine zu der Beschichtungsvorrichtung (3) führenden Verbindungsleitung (4A, 4B),
dadurch gekennzeichnet, dass eine Einrichtung (11, 14) vorgesehen ist, mit der ein Schlauch (42) der Verbindungsleitung (4A, 4B) durch Beaufschlagung seines Außenumfangs mit einem Druckmedium verformbar ist, und dass durch die Verformung in dem Bereich zwischen der Applikationsvorrichtung (3) und einer auf der der Applikationsvorrichtung abgewandten Seite der Gelenkkonstruktion (2) befindlichen Molchstation (6) in der Verbindungsleitung (4A, 4B) befindliches Beschichtungsmaterial aus dieser herausdrückbar ist. - Beschichtungsmaschine nach Anspruch 7, dadurch gekennzeichnet, dass die verformbare Verbindungsleitung (4A, 4B) durch ein insbesondere mehrachsiges Handgelenk (2) der Beschichtungsmaschine, an dem die Beschichtungsvorrichtung (3) montiert ist, hindurchgeführt und auf der der Beschichtungsvorrichtung abgewandten Seite des Handgelenks (2) in dessen Nähe an die in einem Arm (1) der Beschichtungsmaschine angeordnete Molchstation (6) der gemolchten Versorgungsleitung (5A, 5B) angeschlossen ist.
- Beschichtungsmaschine nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass innerhalb der Gelenkkonstruktion (2) ein Innenschlauch (42) der Verbindungsleitung (4A, 4B) koaxial von einem rohr- oder schlauchförmigen Mantel (41) umschlossen ist, in den das Druckmedium zum Leerdrücken der Verbindungsleitung (4A, 4B) geleitet wird, wobei der Innenschlauch (42) und der Mantel (41) derart ausgebildet sind, dass bei der Druckbeaufschlagung nur der Innenschlauch (42) nachgibt.
- Beschichtungsmaschine nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass zwei durch ihre Verformung entleerbare Verbindungsleitungen (4A, 4B) parallel zueinander durch die Gelenkkonstruktion (2) hindurchgeführt sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004016951A DE102004016951A1 (de) | 2004-04-06 | 2004-04-06 | Verfahren zum Fördern eines Beschichtungsmaterials und Beschichtungsmaschine |
DE102004016951 | 2004-04-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1584376A2 true EP1584376A2 (de) | 2005-10-12 |
EP1584376A3 EP1584376A3 (de) | 2007-03-07 |
EP1584376B1 EP1584376B1 (de) | 2008-03-12 |
Family
ID=34895496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05007326A Active EP1584376B1 (de) | 2004-04-06 | 2005-04-04 | Verfahren zum Fördern eines Beschichtungsmaterials und Beschichtungsmaschine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1584376B1 (de) |
AT (1) | ATE388766T1 (de) |
DE (2) | DE102004016951A1 (de) |
ES (1) | ES2302090T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102667289A (zh) * | 2009-11-17 | 2012-09-12 | 杜尔***有限责任公司 | 用于涂装设备的供应软管 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1772194B1 (de) | 2005-10-07 | 2019-01-09 | Dürr Systems AG | Beschichtungsmittel-Versorgungseinrichtung und zugehöriges Betriebsverfahren |
DE102006035243A1 (de) * | 2006-07-26 | 2008-01-31 | Ludwig Schleicher Gmbh Maschinenbau, Industrie- Und Anlagenbau | Einrichtung zum Auftrag eines Auftragsmediums auf einen Gegenstand |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4708580A (en) | 1985-01-22 | 1987-11-24 | Gmf Robotics Corporation | Mechanical wrist mechanism |
EP1270083A1 (de) | 2001-06-29 | 2003-01-02 | Dürr Systems GmbH | Verfahren und System zur Versorgung einer Beschichtungsvorrichtung mittels Molchen |
EP1314480A1 (de) | 2001-11-27 | 2003-05-28 | Dürr Systems GmbH | Verfahren zur Farbversorgung eines Zerstäubers und Beschichtungsvorrichtung mittels eines Molches |
WO2003086671A1 (de) | 2002-04-14 | 2003-10-23 | Asis Gmbh | Verfahren zur entleerung einer versorgungsleitung für beschichtungsanlagen |
EP1362641A1 (de) | 2002-05-07 | 2003-11-19 | Dürr Systems GmbH | Verfahren und Vorrichtung zur Lackversorgung einer Auftragsvorrichtung sowie zu deren Spülung |
EP1362642A1 (de) | 2002-05-07 | 2003-11-19 | Dürr Systems GmbH | Verfahren und Farbversorgungssystem |
DE10223498A1 (de) | 2002-05-27 | 2003-12-11 | Duerr Systems Gmbh | Verfahren und System zur Farbversorgung einer elektrostatischen Beschichtungsanlage |
DE10239516A1 (de) | 2002-08-28 | 2004-03-18 | Dürr Systems GmbH | Schlauch für die elektrostatische Beschichtung von Werkstücken |
DE10320147A1 (de) | 2003-05-06 | 2004-12-09 | Dürr Systems GmbH | Verfahren und Versorgungssystem zur dosierten Materialversorgung einer Beschichtungsvorrichtung |
-
2004
- 2004-04-06 DE DE102004016951A patent/DE102004016951A1/de not_active Ceased
-
2005
- 2005-04-04 EP EP05007326A patent/EP1584376B1/de active Active
- 2005-04-04 ES ES05007326T patent/ES2302090T3/es active Active
- 2005-04-04 DE DE502005003162T patent/DE502005003162D1/de active Active
- 2005-04-04 AT AT05007326T patent/ATE388766T1/de not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4708580A (en) | 1985-01-22 | 1987-11-24 | Gmf Robotics Corporation | Mechanical wrist mechanism |
EP1270083A1 (de) | 2001-06-29 | 2003-01-02 | Dürr Systems GmbH | Verfahren und System zur Versorgung einer Beschichtungsvorrichtung mittels Molchen |
EP1314480A1 (de) | 2001-11-27 | 2003-05-28 | Dürr Systems GmbH | Verfahren zur Farbversorgung eines Zerstäubers und Beschichtungsvorrichtung mittels eines Molches |
WO2003086671A1 (de) | 2002-04-14 | 2003-10-23 | Asis Gmbh | Verfahren zur entleerung einer versorgungsleitung für beschichtungsanlagen |
EP1362641A1 (de) | 2002-05-07 | 2003-11-19 | Dürr Systems GmbH | Verfahren und Vorrichtung zur Lackversorgung einer Auftragsvorrichtung sowie zu deren Spülung |
EP1362642A1 (de) | 2002-05-07 | 2003-11-19 | Dürr Systems GmbH | Verfahren und Farbversorgungssystem |
DE10223498A1 (de) | 2002-05-27 | 2003-12-11 | Duerr Systems Gmbh | Verfahren und System zur Farbversorgung einer elektrostatischen Beschichtungsanlage |
DE10239516A1 (de) | 2002-08-28 | 2004-03-18 | Dürr Systems GmbH | Schlauch für die elektrostatische Beschichtung von Werkstücken |
DE10320147A1 (de) | 2003-05-06 | 2004-12-09 | Dürr Systems GmbH | Verfahren und Versorgungssystem zur dosierten Materialversorgung einer Beschichtungsvorrichtung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102667289A (zh) * | 2009-11-17 | 2012-09-12 | 杜尔***有限责任公司 | 用于涂装设备的供应软管 |
CN102667289B (zh) * | 2009-11-17 | 2014-12-10 | 杜尔***有限责任公司 | 用于涂装设备的供应软管 |
Also Published As
Publication number | Publication date |
---|---|
DE102004016951A1 (de) | 2005-11-10 |
EP1584376B1 (de) | 2008-03-12 |
ATE388766T1 (de) | 2008-03-15 |
EP1584376A3 (de) | 2007-03-07 |
ES2302090T3 (es) | 2008-07-01 |
DE502005003162D1 (de) | 2008-04-24 |
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