EP1245290A1 - Rotationszerstäuber mit einer blockierbaren Welle - Google Patents
Rotationszerstäuber mit einer blockierbaren Welle Download PDFInfo
- Publication number
- EP1245290A1 EP1245290A1 EP02006089A EP02006089A EP1245290A1 EP 1245290 A1 EP1245290 A1 EP 1245290A1 EP 02006089 A EP02006089 A EP 02006089A EP 02006089 A EP02006089 A EP 02006089A EP 1245290 A1 EP1245290 A1 EP 1245290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- locking member
- rotary atomizer
- atomizer according
- locking
- 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
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
- 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
- B05B3/1035—Driving means; Parts thereof, e.g. turbine, shaft, bearings
Definitions
- the invention relates to a rotary atomizer for a coating device according to the preamble of claim 1.
- Rotary atomizer is one of one in the free open end Screwed air turbine driven hollow shaft, its bearing unit with the turbine inside the outer casing cover of the Atomizer forms a modular unit (DE 4306800 A). This The unit is accessible after removing the housing cover and with the hollow shaft and the bell cup from the other components of the atomizer detachable.
- the bell plate has to be changed from time to time or cleaned or unscrewed from the hollow shaft for other reasons become.
- To enable this relative rotation previously had to use the hollow shaft with an external wrench or other tools.
- the Provision and handling of this external tool is not only cumbersome, tedious and time consuming, but it exists also the risk of damage to neighboring parts such as Steering air ring and housing and the bell cup itself and the Shaft bearings through the selective lever loading with the open-ended wrench. With some atomizers you also need to start other parts are removed so that the tool on the intended Place of the shaft can be attached, causing contamination the exposed areas can come.
- the object of the invention is to create a rotary atomizer, its spray element faster without the dangers mentioned and easier than before on the rotatably mounted shaft can be assembled and disassembled.
- the invention eliminates the need for an external tool. Instead, the shaft can be actuated in the simplest way of the locking member e.g. with a finger of a hand in hers Storage unit can be blocked, for example, with the other Hand of the bell plate can be screwed out or screwed in should.
- the actuation of the locking member is through an optionally closable opening or via intermediate actuators also possible from outside the atomizer. In particular can also operate the locking member automatically take place, for example pneumatically with the help of a controlled Valve or by another drive.
- the lock can be useful in the area of the thrust bearing Wave. By locking without tools, the Risk of damage in the area of the bell plate and the Steering air rings, the atomizer and the shaft bearing. Moreover are new constructive possibilities for the arrangement of the bell plate on the shaft and for modifications on Steering air ring opened.
- Fig. 1 A is a storage unit 1 of a rotary atomizer shown in the known and usual manner with a modular turbine engine located in area 2 Unit forms.
- Air bearing rotates in the bearing unit 1 the hollow shaft 4, which is also conventional per se, which is connected to the shaft shown in right end enclosed by a cover plate 6 of the storage unit 1 is while using on the opposite side its free end 8 protrudes from the storage unit.
- Through the Cover plate 6 is the bearing and turbine unit with the required compressed air (openings for this are in Fig. 2 can be seen).
- Bell plates For screwing in the (not shown) Bell plates have the hollow shaft 4 in its free-standing end 8 an internal thread at the point labeled 9.
- Located at 10 the place where a tool with known atomizers can be used to hold the shaft. For special cases it may be useful to do this with the one described here Maintain atomizer.
- the hollow shaft 4 At its end in the cover plate 6 has the hollow shaft 4 in its cylindrical wall that in Fig. 2 as an example shown four holes 12 in a common radial Plane (the section plane of Fig. 2) evenly around the shaft circumference are distributed.
- the cover plate 6 To engage in one of the holes 12, the cover plate 6 one with its axis linearly radial in the named plane, that is Locking bolt 14 which is displaceable perpendicular to the shaft axis illustrated graded z. B. stored cylindrical shape.
- the stepped bolt 14 has a thinner end portion 15, with which it in the holes 12 fits, and a thicker shaft portion 16 with which it in a correspondingly dimensioned, the cover plate 6 transverse to the Radial bore 18 penetrating the shaft axis up to the shaft circumference is slidably guided.
- the radial bore 18 is as shown graded so that they correspond to the end part 15 on the shaft 4 has a smaller diameter and is adjacent to this gradation with the end part 15 forms an annular gap in which a spiral compression spring 20 is seated.
- This compression spring presses against the gradations of the bore 18 and the bolt 14 and holds it thereby normally in its release position according to FIG. 1A outside the shaft 4.
- the Bolt 14 for example, by finger pressure on its actuating head 17 pressed into its blocking position according to FIG. 1B become.
- One sitting in the bolt 14, in a limiting gap 22 prevents slidable screw 23 in the cover plate 6 falling out of the bolt 14 from the bore 18 and on the other hand limit its movement towards the hollow shaft 4.
Landscapes
- Nozzles (AREA)
- Catching Or Destruction (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Cosmetics (AREA)
Abstract
Description
- Fig. 1 A
- einen Längsschnitt durch die Lager- und Turbineneinheit des Rotationszerstäubers mit dem Arretierglied in seiner Freigabestellung;
- Fig. 1 B
- das Arretierglied gemäß Fig. 1 in seiner Blockierstellung; und
- Fig. 2
- einen Querschnitt durch die Einheit gemäß Fig. 1 längs der durch die Pfeile in Fig. 1 angegebenen Ebene der Arretiereinrichtung.
Claims (9)
- Rotationszerstäuber für eine Beschichtungsvorrichtung, deren Absprühelement abnehmbar an einer rotierenden Welle (4) montiert ist, mit einem Antriebsmotor und einer Lagereinheit (1) für die Welle (4),
dadurch gekennzeichnet, daß zum Blockieren der Welle (4) in dem Zerstäuber ein zwischen zwei Stellungen bewegbares Arretierglied (14) gelagert ist, das in seiner einen Stellung in Eingriff mit einer in oder an der Welle (4) ausgebildeten Arretiereinrichtung (12) steht, um deren Drehung in der Lagereinheit (1) zu verhindern, während es in seiner anderen Stellung die Wellendrehung freigibt. - Rotationszerstäuber nach Anspruch 1, dadurch gekennzeichnet, daß das Arretierglied (14) in oder an der Lagereinheit (1) gelagert ist.
- Rotationszerstäuber nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Arretiereinrichtung durch eine Ausnehmung der Welle (4) oder mehrere um den Wellenumfang verteilte Ausnehmungen (12) gebildet ist.
- Rotationszerstäuber nach Anspruch 3 mit einer Hohlwelle (4), in deren zylindrischer Wand sich eine oder mehrere Bohrungen (12) befinden, in die das Arretierglied (14) in seiner Blockierstellung eingreift.
- Rotationszerstäuber nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Arretierglied (14) gegen die Kraft einer Rückstellfeder (20) aus seiner Freigabestellung in die Blockierstellung bewegbar ist.
- Rotationszerstäuber nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Arretierglied (14) ein linear radial zur Welle (4) verschiebbar gelagerter Bolzen ist.
- Rotationszerstäuber nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Rückstellfeder eine spiralförmige Druckfeder (20) ist, die in einem durch Abstufungen des stiftförmigen Arretiergliedes (14) und einer Führungsbohrung (18) für das Arretierglied gebildeten Ringspalt sitzt.
- Rotationszerstäuber nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß das Arretierglied (14) automatisch mit Hilfe eines angesteuerten Ventils oder eines sonstigen Antriebs betätigt wird.
- Rotationszerstäuber nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Arretierglied (14) manuell betätigt wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10115462A DE10115462A1 (de) | 2001-03-29 | 2001-03-29 | Rotationszerstäuber mit einer blockierbaren Welle |
| DE10115462 | 2001-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1245290A1 true EP1245290A1 (de) | 2002-10-02 |
| EP1245290B1 EP1245290B1 (de) | 2005-01-12 |
Family
ID=7679491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02006089A Expired - Lifetime EP1245290B1 (de) | 2001-03-29 | 2002-03-18 | Rotationszerstäuber mit einer blockierbaren Welle |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1245290B1 (de) |
| AT (1) | ATE286782T1 (de) |
| DE (2) | DE10115462A1 (de) |
| ES (1) | ES2234942T3 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1674161A2 (de) | 2004-12-21 | 2006-06-28 | Dürr Systems GmbH | Rotationszerstäuber mit einem Absprühkörper |
| US9126211B2 (en) | 2009-07-24 | 2015-09-08 | Durr Systems Gmbh | Rotary atomizer comprising an atomizer bell and a retainer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022133678A1 (de) | 2022-12-16 | 2024-06-27 | Dürr Systems Ag | Antriebsturbine für einen Rotationszerstäuber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912700C1 (en) * | 1989-04-18 | 1990-10-11 | Ransburg-Gema Gmbh, 6056 Heusenstamm, De | Rotary spray coater - has atomiser ring with solvent channels, and includes annular air inlets |
| DE4306800A1 (de) | 1993-03-04 | 1994-09-08 | Duerr Gmbh & Co | Beschichtungsvorrichtung mit einem Rotationszerstäuber |
| WO1996036438A1 (en) * | 1995-05-19 | 1996-11-21 | Nordson Corporation | Powder spray gun with rotary distributor |
| US5862988A (en) * | 1996-05-15 | 1999-01-26 | Van Der Steur; Gunnar | Coating apparatus and shroud thereof |
-
2001
- 2001-03-29 DE DE10115462A patent/DE10115462A1/de not_active Withdrawn
-
2002
- 2002-03-18 AT AT02006089T patent/ATE286782T1/de not_active IP Right Cessation
- 2002-03-18 DE DE50201978T patent/DE50201978D1/de not_active Expired - Lifetime
- 2002-03-18 EP EP02006089A patent/EP1245290B1/de not_active Expired - Lifetime
- 2002-03-18 ES ES02006089T patent/ES2234942T3/es not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912700C1 (en) * | 1989-04-18 | 1990-10-11 | Ransburg-Gema Gmbh, 6056 Heusenstamm, De | Rotary spray coater - has atomiser ring with solvent channels, and includes annular air inlets |
| DE4306800A1 (de) | 1993-03-04 | 1994-09-08 | Duerr Gmbh & Co | Beschichtungsvorrichtung mit einem Rotationszerstäuber |
| WO1996036438A1 (en) * | 1995-05-19 | 1996-11-21 | Nordson Corporation | Powder spray gun with rotary distributor |
| US5862988A (en) * | 1996-05-15 | 1999-01-26 | Van Der Steur; Gunnar | Coating apparatus and shroud thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1674161A2 (de) | 2004-12-21 | 2006-06-28 | Dürr Systems GmbH | Rotationszerstäuber mit einem Absprühkörper |
| EP2529844A1 (de) | 2004-12-21 | 2012-12-05 | Dürr Systems GmbH | Rotationszerstäuber mit einem Absprühkörper |
| US9126211B2 (en) | 2009-07-24 | 2015-09-08 | Durr Systems Gmbh | Rotary atomizer comprising an atomizer bell and a retainer |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2234942T3 (es) | 2005-07-01 |
| ATE286782T1 (de) | 2005-01-15 |
| DE10115462A1 (de) | 2002-10-02 |
| DE50201978D1 (de) | 2005-02-17 |
| EP1245290B1 (de) | 2005-01-12 |
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