WO2022077041A1 - Vorrichtung zum wechseln von medienanschlüssen - Google Patents
Vorrichtung zum wechseln von medienanschlüssen Download PDFInfo
- Publication number
- WO2022077041A1 WO2022077041A1 PCT/AT2021/060368 AT2021060368W WO2022077041A1 WO 2022077041 A1 WO2022077041 A1 WO 2022077041A1 AT 2021060368 W AT2021060368 W AT 2021060368W WO 2022077041 A1 WO2022077041 A1 WO 2022077041A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coupling
- carrier
- atomizing
- tool
- tool coupling
- 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.)
- Ceased
Links
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
- B05B12/149—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 characterised by colour change manifolds or valves therefor
-
- 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
-
- 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
- B05B12/1418—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 for supplying several liquids or other fluent materials in selected proportions to a single spray outlet
-
- 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
- B05B12/1409—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 the selection means being part of the discharge apparatus, e.g. part of the spray gun
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
Definitions
- the invention relates to a device for changing processing media with a plurality of supply connections arranged on a common carrier and displaceable in a direction of displacement relative to a tool coupling.
- a device for changing processing media namely different paint colors
- supply connections of different paint colors are provided on a rotatably mounted carrier.
- the supply connections can be shifted relative to a tool coupling, which is flow-connected to a coating device.
- the coating device can be supplied with different paint colors.
- the disadvantage of this is that in addition to a drive for rotating the carrier, a linear drive for coupling and decoupling the supply connections and the tool coupling must also be provided, which on the one hand has a negative effect on the speed when changing the paint colors and on the other hand means additional space is required.
- the cleaning and rinsing of the tool coupling turns out to be expensive.
- the invention is therefore based on the object of proposing a device for changing processing media of the type described above, which also with a large number of supply connections for the processing media, both a compact design and a quick change of these supply connections allows.
- the invention achieves the stated object in that the carrier is interspersed with line sections which have supply connections on one carrier outside and on the opposite carrier inner side coupling attachments for coupling receptacles of the tool coupling arranged on the casing side, which are rotatably mounted about an axis of rotation running parallel to the carrier and normal to the direction of displacement is.
- the carrier runs at least in sections tangentially to the casing of the tool coupling, so that when the carrier is displaced, the coupling attachments arranged on the inside of the carrier pivot into the coupling receptacles of the tool coupling, thus achieving a fluid-tight connection between the supply connection and the tool coupling.
- the carrier If the carrier is held in this coupled position, various devices can be supplied with a processing medium via the supply connections.
- the coupling attachment is pivoted out of the coupling receptacle, whereby the fluid-tight connection is broken and the carrier can be moved further to pivot a supply connection upstream in the direction of displacement of the carrier into a coupling receptacle upstream in the direction of rotation of the tool coupling.
- Both the shifting of the supply connections and the coupling and uncoupling of their coupling attachments can therefore be carried out by shifting the carrier in only one direction with extremely small adjustment paths.
- a linear or rotary drive can be used for the carrier, or the tool coupling itself can be driven.
- the carrier when the tool coupling is driven, the carrier is carried along by a force and/or positive connection.
- the coupling receptacles are arranged on the shell side, in particular circumferentially, around the tool coupling, which is cylindrical, for example. It probably goes without saying that this arrangement and the spacing of the coupling receptacles from one another are selected in this way must allow the coupling attachments, which are arranged one behind the other on the carrier in the direction of displacement and are spaced apart, to pivot into the coupling receptacles.
- the coupling receptacles and the coupling attachments can be constructed in a simple manner, with only sufficient sealing having to be ensured by means of a corresponding surface pressure of an intermediate seal. Due to the simple structure and the short adjustment paths, the device according to the invention results in only a relatively small additional flow volume for the processing media, so that not only a highly dynamic supply of processing media is made possible, but also a rapid cleaning of the flow volume, for example by applying a vacuum or by flushing with a cleaning agent can be done.
- the coupling receptacles can be fitted with non-return valves.
- Various coating media such as liquid paint, powder paint or the like, but also a vacuum can be used as processing media, which are made available via the supply connections, whereby both the tool coupling itself and the lines connected to the device via the tool coupling are sucked off or drained. can be cleaned.
- the tool coupling be flow-connected to a supply line and/or a discharge line of an atomizing device.
- the tool coupling can rotate around a hollow shaft which is flow-connected to the supply line and/or discharge line.
- the hollow shaft can have openings on the shell side for the flow connection with the tool coupling, the openings being arranged in such a way that a fluid connection between the coupling receptacles and the hollow shaft is only made possible if the coupling receptacle is fully coupled to a coupling attachment, ie the coupling receptacle axis is aligned, for example, normal to the displacement direction of the carrier.
- the atomization device can be supplied with different coating agents as the processing medium on the one hand and can be cleaned by applying a negative pressure between the use of different coating agents on the other hand, which can prevent these different coating agents from mixing.
- Atomization devices known from the prior art use air injection or air suction to influence the direction of flow of the atomized processing medium particles and thus to achieve improved application of the processing medium to a workpiece. So that the device according to the invention can be used for such atomization devices, it is recommended in a particularly practical embodiment that two tool couplings are provided, one of which is flow-connected to the supply line of an atomization device and one to the outlet line of an atomization device. In this way, two supply connections can be connected to one atomization device.
- One of the supply connections can supply the atomizing device with a coating agent via a supply line that is flow-connected to the first tool coupling, while another supply connection can simultaneously supply the atomizing device with positive or negative pressure via a discharge line that is flow-connected to the second tool coupling in order to influence the flow behavior of the atomized coating medium particles.
- the supply connection flow-connected to the discharge line can be used for sucking off and cleaning the lines and the atomization device without requiring a relocation of the carrier.
- a cyclone for separating and recycling the sucked-off operating residues can be located downstream of the supply connections in the flow direction of the operating medium.
- one can be used for both tool couplings common carrier can be provided, or a separate carrier can be assigned to each tool coupling, so that one carrier can have, for example, supply connections for supplying a coating agent as a processing medium and the other carrier can have supply connections for supplying positive or negative pressure as a processing medium.
- the carriers can move synchronously or independently of each other. The same naturally applies to the rotatable tool couplings.
- two supports for the coupling attachments that are opposite one another with respect to the tool coupling can be provided. Accordingly, the tool coupling can be connected in a fluid-tight manner from two sides with coupling attachments.
- the opposite carriers In order not to disturb the rotation of the tool coupling, the opposite carriers must have opposite directions of displacement. Particularly favorable structural conditions arise when the opposite carriers are two strands of a revolving belt drive, since on the one hand only one drive can be used to drive both carriers and on the other hand there are particularly favorable conditions with regard to a low-slip frictional connection between the tool coupling and the carrier.
- a particularly quick changeover between different processing media can be achieved if the coupling attachments of one carrier are offset with a gap in relation to the coupling attachments of the opposite carrier.
- the travel of the carrier is further shortened.
- the carrier runs in a longitudinal direction and the atomizing device to the carrier and the Tool coupling is downstream in this longitudinal direction.
- the device for changing processing media can be installed in a robot arm and an atomization device that can be used in a particularly variable manner can be created.
- the device according to the invention can be used in particular for an atomization device for a coating agent with a coating agent carrier subjected to vibrations by an exciter, the coating agent carrier being an atomizing membrane driven by a rotary drive, to which the exciter acts with sound waves to vibrate.
- the coating agent provided via the supply line is evenly distributed over the surface of the atomizing membrane by the centrifugal force that occurs when the atomizing membrane is rotated. Since the centrifugal force is only used to distribute the coating agent but not to detach the coating agent, the rotational speed can be selected to be relatively low, which enables energy-saving operation.
- the coating agent can preferably be applied in the center of the atomizing membrane. Due to the uniform thickness of the coating agent distributed on the atomizing membrane, the energy required to detach and atomize the coating agent is approximately the same over the entire surface of the atomizing membrane.
- the energy input required is provided by an exciter, the sound waves generated by which cause the atomizing membrane to vibrate. The sound waves propagate preferably via the air located between the exciter and the atomizing membrane, which is why an installation-free sound propagation channel can be provided between the exciter and the atomizing membrane.
- installation-free means that there are no installations in the sound propagation channel that would negatively influence the propagation of the sound waves generated by the exciter.
- the supply and/or discharge line to the tool coupling can be Longitudinally run through the sound propagation channel.
- the atomizing membrane can be made to oscillate in a particularly energy-saving manner and can be driven in rotation by a simple shaft.
- fundamentally different shapes can be provided for the atomizing membrane, there are structural advantages if the atomizing membrane is circular in design.
- Gold for example, or other flexible and corrosion-resistant materials can be provided as the material for the atomization membrane.
- a sound source connected to an amplifier can serve as exciter.
- the frequencies generated in this way can be in the audible frequency range of humans or in the ultrasonic range.
- the orifice opening is preferably arranged at the point of rotation of the atomizing membrane, as a result of which an even distribution of the coating agent is made possible as a result of the rotation of the atomizing membrane.
- the coating agent particles detaching from the coating agent carrier generate turbulence in the area between the atomizing device and a workpiece to be coated. This turbulence influences the direction of flow of the subsequently detached coating agent particles, resulting in an irregular coating of the workpiece. Therefore, in order to avoid mutual influencing of coating agent particles that have been detached one after the other, it is proposed that the atomizing device have a suction head connected to the discharge line.
- the atomizing membrane can have a suction membrane section which has openings to the suction head located behind the atomizing membrane.
- the turbulence will be undesired provided air is sucked through the openings in the suction head, which results in a rectification or dissolution of the turbulence.
- the suction can be pulsed.
- longitudinal slots running tangentially to the round atomizing membrane have proven to be particularly suitable as openings.
- several suction membrane sections can be provided, which are evenly distributed over the atomizing membrane.
- the coupling attachments each have two channels for different processing media.
- the processing medium for coating for example the paint
- a vacuum can be applied as the processing medium in the other channel.
- the supply line which leads to the atomizing membrane of the atomizing device, can be cleaned before the color change using the negative pressure, before the line pieces and thus the processing media are changed.
- one of the at least two channels runs concentrically within the other such that the channel opening of the inner channel is surrounded by the channel opening of the outer channel.
- the processing medium of the inner channel can be removed as uniformly as possible when a vacuum is applied as the processing medium to the outer channel.
- the coupling attachment is designed in such a way that the channel opening of the outer channel projects beyond the channel opening of the inner channel.
- the channel opening of the inner channel into the outer Open channel and preferably be arranged concentrically to the channel opening of the outer channel.
- FIG. 1 shows a perspective view of a device according to the invention for changing processing media
- Fig. 2 shows a larger-scale schematic section along the line II-II, the suction head and the nebulizing membrane being arranged in a housing and
- FIG. 3 shows a detail of a schematic section through an alternative embodiment of the device according to the invention on an enlarged scale.
- a device according to the invention for changing processing media has a displaceable carrier 1 on which a plurality of supply connections 2 are arranged.
- the supply connections 2 can be moved relative to a tool coupling 3 and coupled to it, as a result of which processing media provided via the supply connections 2 can be conveyed via the tool coupling 3 to any consumers.
- a particularly rapid and structurally simple changeover between different supply connections 2 is achieved, as shown in Fig. 2, according to the invention in that the supply connections 2 arranged on the outside of the carrier are connected to line sections 4 that pass through the carrier 1, which in turn are in coupling receptacles 5, which are connected to are arranged on the inside of the carrier, open out.
- the Shifting the carrier 1 in the direction of displacement 6 swings the coupling attachments 5, which are flow-connected to the supply connections 2 via the line pieces 4, into or out of the coupling receptacles 8 of the tool coupling 3 arranged on the jacket side, and thus create or release a fluid-tight connection with the tool coupling 3.
- various consumers can be supplied with different processing media via the tool coupling 3.
- the coupling attachments 5 can therefore be coupled and uncoupled by shifting the carrier 1 in only one direction within small adjustment paths.
- the displacement can take place by driving the carrier 1 or the tool coupling 3, with the tool coupling 3 or the carrier 1 being able to be driven at the same time by force and/or positive locking.
- the tool coupling 3 can be flow-connected to an inlet line 9 and/or an outlet line 10 of an atomizing device 11 .
- the atomizing device 11 can be supplied with coating agents, such as liquid or powder paint, as a processing medium via the feed line 9 .
- the atomizing device 11 can be subjected to negative pressure as a processing medium via the discharge line 10, as a result of which, for example, the atomizing device 11 can be cleaned easily.
- the supply line 9 and/or the discharge line 10 can be flow-connected to the tool coupling 3 via a hollow shaft 12 about which the tool coupling 3 rotates.
- the hollow shaft 12 can have openings on the casing side, the openings being arranged such that a fluid connection between the coupling receptacles 8 and the hollow shaft 12 is only possible when the coupling receptacle 8 is fully coupled to a coupling attachment 5 .
- a carrier 1 can, for example, have supply connections 2 for vacuum or gaseous processing media, while the other carrier 1 can include supply connections 2 for coating agents.
- the diameters of the supply connections 2 for the coating agent usually have a larger diameter than those for providing the negative pressure or gaseous processing media.
- two opposite carriers 1 can be provided with respect to the tool coupling 3, which move in opposite directions.
- the opposing carriers 1 can be two strands of a revolving belt drive.
- the tool coupling 3 can be fluid-tightly connected to the coupling attachments 5 and thus to the supply connections 2 from two sides by the opposing carriers 1, which further shortens the adjustment path when changing the processing media if the coupling attachments 5 and coupling receptacles 8 are arranged accordingly.
- a particularly quick changing process can be achieved if the coupling attachments 5 of the opposing carriers 1 are offset from one another with a gap, as can be seen in particular from FIG. So that the device according to the invention can be installed in a compact manner, for example in a robot arm, the carrier 1 can run in a longitudinal direction.
- the atomizing device 11 can be located downstream of the carrier 1 and the tool coupling 3 in this longitudinal direction.
- the supply line 9 for supplying a rotationally driven atomizing membrane 13 with processing media can open into the atomizing membrane 13 .
- the feed line 9 can open into the center of the atomizing membrane 13 .
- a suction head 14 can be provided which is flow-connected to the discharge line 10 .
- the suction head 14 can comprise a housing 15 in which the atomizing membrane 13 is arranged.
- the atomizing device 11 can be subjected to negative pressure via suction openings 16 ( FIG. 1 ). As a result, turbulence in front of the atomizing device 11 can subsequently be rectified via openings 17 into which the air located in front of the atomizing device 11 is sucked.
- the coupling attachments 5 have two channels 18a, 18b, which run into one another, for different processing media.
- paint can flow as a processing medium.
- a vacuum can be applied in the outer channel 18b.
- the supply line 9, which is connected via the tool coupling 3 to the coupling attachment 5 of the line piece 4 can be cleaned.
- a tight connection can be created between the coupling attachment 5 and the tool coupling 3, so that leaks can be avoided.
- the coupling attachments 5 that can be connected to the derivative 10 via the tool coupling 3 can also be interlocked running channels 18a, 18b have for different processing media.
Landscapes
- Spray Control Apparatus (AREA)
- Nozzles (AREA)
- Turning (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/030,068 US20240001391A1 (en) | 2020-10-14 | 2021-10-08 | Device for changing media connections |
| EP21801822.4A EP4228822A1 (de) | 2020-10-14 | 2021-10-08 | Vorrichtung zum wechseln von medienanschlüssen |
| CN202180064516.0A CN116507424A (zh) | 2020-10-14 | 2021-10-08 | 用于变换处理介质的装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50883/2020A AT523733B1 (de) | 2020-10-14 | 2020-10-14 | Vorrichtung zum Wechseln von Bearbeitungsmedien |
| ATA50883/2020 | 2020-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022077041A1 true WO2022077041A1 (de) | 2022-04-21 |
Family
ID=78474895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT2021/060368 Ceased WO2022077041A1 (de) | 2020-10-14 | 2021-10-08 | Vorrichtung zum wechseln von medienanschlüssen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240001391A1 (de) |
| EP (1) | EP4228822A1 (de) |
| CN (1) | CN116507424A (de) |
| AT (1) | AT523733B1 (de) |
| WO (1) | WO2022077041A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1245295B1 (de) | 2001-03-29 | 2004-05-19 | Dürr Systems GmbH | Farbwechselsystem für eine Beschichtungsanlage |
| DE102013018636A1 (de) * | 2013-11-06 | 2015-05-07 | Eisenmann Ag | Wechseleinrichtung für Beschichtungsmedien und Beschichtungssystem zum Beschichten von Gegenständen |
| CN104619427A (zh) * | 2012-09-12 | 2015-05-13 | Abb技术有限公司 | 换色器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3674207A (en) * | 1970-11-06 | 1972-07-04 | Emidio J Carbonetti Jr | Automated paint spray system |
| DE102004059870B4 (de) * | 2004-12-13 | 2011-06-22 | EISENMANN Anlagenbau GmbH & Co. KG, 71032 | Verfahren und Anlage zur Beschichtung von Gegenständen |
| DE502008000686D1 (de) * | 2008-04-09 | 2010-07-01 | Bystronic Laser Ag | Vorrichtung und Verfahren zum automatischen Wechseln von Schneiddüsen |
| DE102010036437A1 (de) * | 2010-07-16 | 2012-01-19 | Amazonen-Werke H. Dreyer Gmbh & Co. Kg | Mehrfachdüsenkörper |
| DE102013013549A1 (de) * | 2013-08-13 | 2015-02-19 | Eisenmann Ag | Wechseleinrichtung für Beschichtungsmedien und Beschichtungssystem zum Beschichten von Gegenständen |
-
2020
- 2020-10-14 AT ATA50883/2020A patent/AT523733B1/de active
-
2021
- 2021-10-08 WO PCT/AT2021/060368 patent/WO2022077041A1/de not_active Ceased
- 2021-10-08 US US18/030,068 patent/US20240001391A1/en not_active Abandoned
- 2021-10-08 CN CN202180064516.0A patent/CN116507424A/zh active Pending
- 2021-10-08 EP EP21801822.4A patent/EP4228822A1/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1245295B1 (de) | 2001-03-29 | 2004-05-19 | Dürr Systems GmbH | Farbwechselsystem für eine Beschichtungsanlage |
| CN104619427A (zh) * | 2012-09-12 | 2015-05-13 | Abb技术有限公司 | 换色器 |
| DE102013018636A1 (de) * | 2013-11-06 | 2015-05-07 | Eisenmann Ag | Wechseleinrichtung für Beschichtungsmedien und Beschichtungssystem zum Beschichten von Gegenständen |
Also Published As
| Publication number | Publication date |
|---|---|
| AT523733A4 (de) | 2021-11-15 |
| AT523733B1 (de) | 2021-11-15 |
| EP4228822A1 (de) | 2023-08-23 |
| US20240001391A1 (en) | 2024-01-04 |
| CN116507424A (zh) | 2023-07-28 |
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