EP1584376A2 - Procédé de transport d'un materiau de revêtement et machine de revêtement - Google Patents

Procédé de transport d'un materiau de revêtement et machine de revêtement Download PDF

Info

Publication number: EP1584376A2
Authority: EP; European Patent Office
Prior art keywords: coating; connecting line; coating machine; coating material; inner tube
Prior art date: 2004-04-06
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

EP05007326A

Other languages

German (de)

English (en)

Other versions

EP1584376A3 (fr

EP1584376B1 (fr

Inventor

Jürgen Haas

Stefan Esslinger

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.)

Duerr Systems AG

Original Assignee

Duerr Systems AG

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.)

2004-04-06

Filing date

2005-04-04

Publication date

2005-10-12

2005-04-04 Application filed by Duerr Systems AG filed Critical Duerr Systems AG

2005-10-12 Publication of EP1584376A2 publication Critical patent/EP1584376A2/fr

2007-03-07 Publication of EP1584376A3 publication Critical patent/EP1584376A3/fr

2008-03-12 Application granted granted Critical

2008-03-12 Publication of EP1584376B1 publication Critical patent/EP1584376B1/fr

2025-04-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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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
- 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 three-dimensional [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)

EP05007326A 2004-04-06 2005-04-04 Procédé de transport d'un materiau de revêtement et machine de revêtement Expired - Lifetime EP1584376B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102004016951		2004-04-06
DE102004016951A DE102004016951A1 (de)	2004-04-06	2004-04-06	Verfahren zum Fördern eines Beschichtungsmaterials und Beschichtungsmaschine

Publications (3)

Publication Number	Publication Date
EP1584376A2 true EP1584376A2 (fr)	2005-10-12
EP1584376A3 EP1584376A3 (fr)	2007-03-07
EP1584376B1 EP1584376B1 (fr)	2008-03-12

Family

ID=34895496

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP05007326A Expired - Lifetime EP1584376B1 (fr)	2004-04-06	2005-04-04	Procédé de transport d'un materiau de revêtement et machine de revêtement

Country Status (4)

Country	Link
EP (1)	EP1584376B1 (fr)
AT (1)	ATE388766T1 (fr)
DE (2)	DE102004016951A1 (fr)
ES (1)	ES2302090T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102667289A (zh) *	2009-11-17	2012-09-12	杜尔系统有限责任公司	用于涂装设备的供应软管

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202006021283U1 (de)	2005-10-07	2014-10-02	Dürr Systems GmbH	Beschichtungsmittel-Versorgungseinrichtung
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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4708580A (en)	1985-01-22	1987-11-24	Gmf Robotics Corporation	Mechanical wrist mechanism
EP1270083A1 (fr)	2001-06-29	2003-01-02	Dürr Systems GmbH	Système et procédé pour alimenter un appareil de revêtement par des écouvillions
EP1314480A1 (fr)	2001-11-27	2003-05-28	Dürr Systems GmbH	Procédé et appareil pour un système d'alimentation en peinture dans un appareil de revêtement avec un ramoneur
WO2003086671A1 (fr)	2002-04-14	2003-10-23	Asis Gmbh	Procede pour vidanger une conduite d'alimentation de machine a enduire
EP1362641A1 (fr)	2002-05-07	2003-11-19	Dürr Systems GmbH	Méthode et appareil pour délivrer de la peinture à un applicateur et pour le nettoyer
EP1362642A1 (fr)	2002-05-07	2003-11-19	Dürr Systems GmbH	Méthode et système d'alimentation et d'application de peinture
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/fr not_active Expired - Lifetime
- 2005-04-04 DE DE502005003162T patent/DE502005003162D1/de not_active Expired - Lifetime
- 2005-04-04 ES ES05007326T patent/ES2302090T3/es not_active Expired - Lifetime
- 2005-04-04 AT AT05007326T patent/ATE388766T1/de not_active IP Right Cessation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4708580A (en)	1985-01-22	1987-11-24	Gmf Robotics Corporation	Mechanical wrist mechanism
EP1270083A1 (fr)	2001-06-29	2003-01-02	Dürr Systems GmbH	Système et procédé pour alimenter un appareil de revêtement par des écouvillions
EP1314480A1 (fr)	2001-11-27	2003-05-28	Dürr Systems GmbH	Procédé et appareil pour un système d'alimentation en peinture dans un appareil de revêtement avec un ramoneur
WO2003086671A1 (fr)	2002-04-14	2003-10-23	Asis Gmbh	Procede pour vidanger une conduite d'alimentation de machine a enduire
EP1362641A1 (fr)	2002-05-07	2003-11-19	Dürr Systems GmbH	Méthode et appareil pour délivrer de la peinture à un applicateur et pour le nettoyer
EP1362642A1 (fr)	2002-05-07	2003-11-19	Dürr Systems GmbH	Méthode et système d'alimentation et d'application de peinture
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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102667289A (zh) *	2009-11-17	2012-09-12	杜尔系统有限责任公司	用于涂装设备的供应软管
CN102667289B (zh) *	2009-11-17	2014-12-10	杜尔系统有限责任公司	用于涂装设备的供应软管

Also Published As

Publication number	Publication date
ATE388766T1 (de)	2008-03-15
ES2302090T3 (es)	2008-07-01
DE102004016951A1 (de)	2005-11-10
EP1584376A3 (fr)	2007-03-07
EP1584376B1 (fr)	2008-03-12
DE502005003162D1 (de)	2008-04-24

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