WO2018050482A1 - Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen - Google Patents
Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen Download PDFInfo
- Publication number
- WO2018050482A1 WO2018050482A1 PCT/EP2017/072215 EP2017072215W WO2018050482A1 WO 2018050482 A1 WO2018050482 A1 WO 2018050482A1 EP 2017072215 W EP2017072215 W EP 2017072215W WO 2018050482 A1 WO2018050482 A1 WO 2018050482A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealant
- drive
- containers
- components
- component
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1036—Means for supplying a selected one of a plurality of liquids or other fluent materials, or several in selected proportions, to the applying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
- B01F35/831—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows
- B01F35/8311—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices using one or more pump or other dispensing mechanisms for feeding the flows in predetermined proportion, e.g. one of the pumps being driven by one of the flows with means for controlling the motor driving the pumps or the other dispensing mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/883—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using flow rate controls for feeding the substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1047—Apparatus or installations for supplying liquid or other fluent material comprising a buffer container or an accumulator between the supply source and the applicator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
Definitions
- the present invention relates to a device for dynamic metering of sealant volumes and a corresponding method.
- Sealants such as those used in aircraft and spacecraft are usually produced by mixing two components - base and hardener - in a mixing device and then locally, i. E. cured on the component to be coated. The latter can be done thermally and / or by actinic radiation.
- Fig. 1 An apparatus for this purpose is shown in Fig. 1:
- the components A and B are initially in separate storage containers.
- a suitable drive preferably a servo drive, is controlled so that the two components (A and B) are conveyed at a defined speed into a static mixing tube and mixed with one another.
- the sealing compound thus obtained, not yet fully cured, then leaves the device in the form of a bead.
- the metering rate ie the volume of sealant applied per unit of time, must be dynamic, i. depending on the position just to be sealed.
- the base material component - for example, such a polysulfide-based - is compressible, while the hardener component has no compressibility, which with decreasing dosing to a more and more delayed compared to the hardener component release of Base component leads from its reservoir.
- the device according to the invention for the dynamic metering of sealing compounds has two containers for sealing compound components, a first drive, which is connected to two devices, one of which can convey one of the sealing mass components from its container (conveying devices), a drive control, a mixing unit for mixing the from the containers funded sealant components with an opening for applying the sealant to a component and in addition a reservoir with a compensating volume and a second drive, which is connected to a piston which extends into the compensating volume of the expansion tank, on.
- the expansion tank is connected to the mixing unit. Through this connection, the expansion tank is filled and emptied.
- the first and second drives may be dynamically controlled together by the drive controller.
- a first such device according to the invention is shown in Fig. 2 and in Fig. 3, a second in Fig. 4, but without these figures would be understood to be limiting.
- a “sealant” is always intended to mean the mixture of two sealant components.
- the “first drive” can also consist of two drive units to be controlled separately of which the first is connected to the first and the second to the second of the two conveyors (see Fig. 4). According to a preferred embodiment, however, the first drive consists of a single drive unit, which is connected to the two conveyors.
- the "two containers for sealing compound components” can be storage containers, ie containers which can each be filled with a specific amount of sealing compound component and then sealed (see Fig. 2 and Fig. 3).
- the "two containers for sealing compound components" can be open containers, ie containers which can each be continuously filled with a sealing compound component (see Fig. 4). Fig. 4).
- the “mixing unit” may be a static mixer, a dynamic mixer or a combination of both
- the first and / or second drive is a servo drive, more preferably the first and second drives are each a servo drive.
- the two conveyors are pistons, one of which in each case one of the containers, which in this case is a reservoir, extends and can push out the corresponding sealing compound component.
- the two conveyors are pumps which can draw the sealing mass components from their containers by generating a vacuum.
- screw eccentric pumps and scoop pumps are suitable for this purpose.
- said containers are open containers which can each be continuously filled with a sealant component (see Fig. 4).
- the mixing unit is preferably a static mixer, in particular a static mixing tube.
- the expansion tank is preferably a plastic cartridge or an easy-to-clean component, particularly preferably a plastic cartridge, in particular a polyethylene (PE).
- the device is a 2K mixing and metering system as described for example by the company Hilger u. Kern (Mannheim, Germany) is produced. These systems make it possible to convey, mix and dose sealing compound consisting of 2 components from storage containers (see Fig. 2 and Fig. 3).
- the sealant may also be one which essentially cures only after irradiation with actinic radiation, in particular with UV radiation.
- a sealant has the advantage that its hardening can be initiated in a controlled manner with a trigger (so-called SCOD: sealant curing on demand).
- the device according to the invention can comprise an integrated source of actinic radiation, in particular for UV radiation.
- the containers of the device according to the invention are each filled with a sealing compound component (components A and B or base material and hardener).
- the sealant components are then mixed in a mixing unit and the resulting sealant is applied to a component by the sealing mass components are conveyed out of the containers by means of the first drive.
- a metering rate of, for example, 1 volume unit sealant / time unit is realized by the conveying speed of the sealant components from the containers to 3 Volume units sealing compound / unit time is reduced and the expansion tank is filled at a rate of 2 volume units sealant / time unit.
- Fig. 2 shows the device according to the invention at a dosing speed above the critical value.
- the metering rate is lower than the critical value, which is indicated by a reduction in the thickness of the sealing mass bead.
- the compensating volume of the expansion tank is filled in this case with sealant.
- the delivery of the sealing compound components from the containers is preferably stopped and the sealing compound is conveyed from the compensation container by means of the second drive until the sealing compound in the compensation container has been used up.
- This helps keep the expansion tank empty enough to allow refilling of the surge tank with sealant at a later time.
- an increase in the dosing speed beyond the maximum value is possible, which would be possible with the device without the surge tank.
- the present invention relates to a component which has been sealed by means of the method according to the invention, preferably one with a complicated geometry as used in aircraft and spacecraft.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Sealing Material Composition (AREA)
- Accessories For Mixers (AREA)
- Coating Apparatus (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17762112.5A EP3512640B1 (de) | 2016-09-13 | 2017-09-05 | Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen |
CA3036589A CA3036589A1 (en) | 2016-09-13 | 2017-09-05 | Device and method for dynamic metering of sealing compounds |
JP2019535447A JP6999676B2 (ja) | 2016-09-13 | 2017-09-05 | シール材を動的に計量するための装置および方法 |
CN201780055980.7A CN109789436B (zh) | 2016-09-13 | 2017-09-05 | 用于密封材料的动态配量的设备和方法 |
BR112019003551-6A BR112019003551B1 (pt) | 2016-09-13 | 2017-09-05 | Aparelho e método para dosagem dinâmica de compostos de vedação |
US16/332,919 US11059070B2 (en) | 2016-09-13 | 2017-09-05 | Device and method for dynamic metering of sealing compounds |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016217429.0 | 2016-09-13 | ||
DE102016217429 | 2016-09-13 | ||
DE102016224655 | 2016-12-12 | ||
DE102016224655.0 | 2016-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018050482A1 true WO2018050482A1 (de) | 2018-03-22 |
Family
ID=59799376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2017/072215 WO2018050482A1 (de) | 2016-09-13 | 2017-09-05 | Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen |
Country Status (7)
Country | Link |
---|---|
US (1) | US11059070B2 (de) |
EP (1) | EP3512640B1 (de) |
JP (1) | JP6999676B2 (de) |
CN (1) | CN109789436B (de) |
BR (1) | BR112019003551B1 (de) |
CA (1) | CA3036589A1 (de) |
WO (1) | WO2018050482A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021123109A1 (en) | 2019-12-19 | 2021-06-24 | Chemetall Gmbh | Polyurea coating systems as sealants for the exterior of fuel tanks |
WO2021123107A1 (en) | 2019-12-19 | 2021-06-24 | Construction Research & Technology Gmbh | Polyurea coating systems for construction waterproofing |
JP2021520991A (ja) * | 2018-04-12 | 2021-08-26 | ノードソン コーポレーションNordson Corporation | 多成分材料を分注するためのシステム及び方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020128115A1 (de) * | 2020-10-26 | 2022-04-28 | Dürr Systems Ag | Applikationsvorrichtung zum vorzugsweise teilgeboosterten Applizieren |
Citations (4)
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US5478150A (en) * | 1994-01-24 | 1995-12-26 | Wilhelm A. Keller | Device for the continuous monitoring of the correct proportioning and mixing of at least two fluids |
EP1000669A1 (de) * | 1998-11-09 | 2000-05-17 | Wilhelm A. Keller | Vorrichtung zur Überführung von Reaktionsharzen von einer entfernt aufgestellten Quelle bis zu der Auftragstelle |
EP2191904A2 (de) * | 2008-12-01 | 2010-06-02 | Sturm Maschinenbau GmbH | Vorrichtung und Verfahren zum Aufbringen einer Mehrkomponentenmischung |
US20110253747A1 (en) * | 2008-12-18 | 2011-10-20 | Sika Technology Ag | Dispensing tool for multi-component substances |
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-
2017
- 2017-09-05 BR BR112019003551-6A patent/BR112019003551B1/pt active IP Right Grant
- 2017-09-05 WO PCT/EP2017/072215 patent/WO2018050482A1/de unknown
- 2017-09-05 CN CN201780055980.7A patent/CN109789436B/zh active Active
- 2017-09-05 EP EP17762112.5A patent/EP3512640B1/de active Active
- 2017-09-05 US US16/332,919 patent/US11059070B2/en active Active
- 2017-09-05 JP JP2019535447A patent/JP6999676B2/ja active Active
- 2017-09-05 CA CA3036589A patent/CA3036589A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5478150A (en) * | 1994-01-24 | 1995-12-26 | Wilhelm A. Keller | Device for the continuous monitoring of the correct proportioning and mixing of at least two fluids |
EP1000669A1 (de) * | 1998-11-09 | 2000-05-17 | Wilhelm A. Keller | Vorrichtung zur Überführung von Reaktionsharzen von einer entfernt aufgestellten Quelle bis zu der Auftragstelle |
EP2191904A2 (de) * | 2008-12-01 | 2010-06-02 | Sturm Maschinenbau GmbH | Vorrichtung und Verfahren zum Aufbringen einer Mehrkomponentenmischung |
US20110253747A1 (en) * | 2008-12-18 | 2011-10-20 | Sika Technology Ag | Dispensing tool for multi-component substances |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021520991A (ja) * | 2018-04-12 | 2021-08-26 | ノードソン コーポレーションNordson Corporation | 多成分材料を分注するためのシステム及び方法 |
WO2021123109A1 (en) | 2019-12-19 | 2021-06-24 | Chemetall Gmbh | Polyurea coating systems as sealants for the exterior of fuel tanks |
WO2021123107A1 (en) | 2019-12-19 | 2021-06-24 | Construction Research & Technology Gmbh | Polyurea coating systems for construction waterproofing |
Also Published As
Publication number | Publication date |
---|---|
EP3512640B1 (de) | 2022-03-16 |
US20190232330A1 (en) | 2019-08-01 |
CN109789436B (zh) | 2021-07-09 |
CA3036589A1 (en) | 2018-03-22 |
EP3512640A1 (de) | 2019-07-24 |
JP6999676B2 (ja) | 2022-02-04 |
CN109789436A (zh) | 2019-05-21 |
US11059070B2 (en) | 2021-07-13 |
BR112019003551B1 (pt) | 2022-09-20 |
JP2019532813A (ja) | 2019-11-14 |
BR112019003551A2 (pt) | 2019-05-28 |
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