EP3512640A1 - Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen - Google Patents
Vorrichtung und verfahren zur dynamischen dosierung von dichtmassenInfo
- Publication number
- EP3512640A1 EP3512640A1 EP17762112.5A EP17762112A EP3512640A1 EP 3512640 A1 EP3512640 A1 EP 3512640A1 EP 17762112 A EP17762112 A EP 17762112A EP 3512640 A1 EP3512640 A1 EP 3512640A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealant
- drive
- containers
- components
- component
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 150000001875 compounds Chemical class 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000565 sealant Substances 0.000 claims description 38
- 230000005855 radiation Effects 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000003670 easy-to-clean Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract 1
- 239000004848 polyfunctional curative Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
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)
- Sealing Material Composition (AREA)
- Coating Apparatus (AREA)
- Accessories For Mixers (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016217429 | 2016-09-13 | ||
DE102016224655 | 2016-12-12 | ||
PCT/EP2017/072215 WO2018050482A1 (de) | 2016-09-13 | 2017-09-05 | Vorrichtung und verfahren zur dynamischen dosierung von dichtmassen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3512640A1 true EP3512640A1 (de) | 2019-07-24 |
EP3512640B1 EP3512640B1 (de) | 2022-03-16 |
Family
ID=59799376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17762112.5A Active EP3512640B1 (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) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200142504A (ko) * | 2018-04-12 | 2020-12-22 | 노드슨 코포레이션 | 다중-구성요소 재료를 분배하기 위한 시스템 및 방법 |
CA3159246A1 (en) | 2019-12-19 | 2021-06-24 | Construction Research & Technology Gmbh | Polyurea coating systems for construction waterproofing |
WO2021123109A1 (en) | 2019-12-19 | 2021-06-24 | Chemetall Gmbh | Polyurea coating systems as sealants for the exterior of fuel tanks |
DE102020128115A1 (de) * | 2020-10-26 | 2022-04-28 | Dürr Systems Ag | Applikationsvorrichtung zum vorzugsweise teilgeboosterten Applizieren |
Family Cites Families (34)
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US3224411A (en) * | 1961-09-18 | 1965-12-21 | Ford Motor Co | Apparatus for applying adhesive to a surface |
US3390814A (en) * | 1965-09-24 | 1968-07-02 | Chem Dev Corp | Mixing device |
US3401847A (en) * | 1967-04-03 | 1968-09-17 | Thermon Mfg Co | Pneumatically powered applicator |
US3989228A (en) * | 1974-12-19 | 1976-11-02 | Products Research & Chemical Corporation | Mixing and dispensing apparatus |
US4067479A (en) * | 1975-07-31 | 1978-01-10 | Products Research & Chemical Corporation | Two part material meter-mix dispenser apparatus |
US4666430A (en) * | 1984-12-05 | 1987-05-19 | I-Flow Corporation | Infusion pump |
US4995540A (en) * | 1987-12-07 | 1991-02-26 | Laurence Colin | Unit dosage dispenser for dental impression materials |
FR2632891B1 (fr) * | 1988-06-17 | 1990-10-19 | Saint Gobain Vitrage | Amelioration a la fabrication d'un cordon de matiere organique destine a servir de joint et d'intercalaire dans un vitrage multiple |
EP0443262B1 (de) * | 1990-02-22 | 1995-09-27 | Minnesota Mining And Manufacturing Company | Statische Mischvorrichtung |
US5064098A (en) * | 1990-02-23 | 1991-11-12 | Physical Systems, Inc. | Dual component dispenser gun |
US5224629A (en) * | 1992-03-19 | 1993-07-06 | Hsich Rong Fuh | Control structure for a pneumatic sealant gun |
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 |
DE4412261C2 (de) * | 1994-04-09 | 1996-10-17 | Jonas Konrad H | Vorrichtung zum Zusammenführen wenigstens zweier Fließmedien |
JPH0998560A (ja) * | 1995-09-29 | 1997-04-08 | Zexel Corp | ブラシレスモータ |
US5816445A (en) * | 1996-01-25 | 1998-10-06 | Stainless Steel Coatings, Inc. | Method of and apparatus for controlled dispensing of two-part bonding, casting and similar fluids and the like |
US5979794A (en) * | 1997-05-13 | 1999-11-09 | Ingersoll-Rand Company | Two-part stream dispensing for high viscosity materials |
US6234355B1 (en) * | 1997-08-07 | 2001-05-22 | Lenhardt Maschinenbau Gmbh | Machine for filling the edge joints of insulating glass panes with a sealing compound consisting of two constituents |
US6126401A (en) * | 1998-08-12 | 2000-10-03 | Computer Graphics Systems Development Corporation | Hybrid electric/hydraulic drive system |
ES2255145T3 (es) * | 1998-11-09 | 2006-06-16 | Mixpac Systems Ag | Un sistema para transferir componentes de resinas reactivas desde una fuente distante hasta el punto de aplicacion. |
TW509738B (en) * | 1999-03-25 | 2002-11-11 | Barmag Barmer Maschf | Lubrication apparatus and method of applying a lubricant |
FR2791648B1 (fr) * | 1999-04-02 | 2001-05-25 | Oreal | Distributeur portatif pour le conditionnement et la distribution de produits cosmetiques colores |
US6736291B1 (en) * | 1999-05-21 | 2004-05-18 | Matsushita Electric Industrial Co., Ltd. | Viscous material application apparatus |
JP2001149838A (ja) | 1999-11-30 | 2001-06-05 | Toyota Motor Corp | 2液混合硬化型シール材の塗布装置及び現場成形ガスケットの形成方法 |
CN1407912A (zh) * | 2000-03-02 | 2003-04-02 | 格雷科明尼苏达有限公司 | 电子多组分比例调节器 |
US6540104B1 (en) * | 2000-06-30 | 2003-04-01 | Fanuc Robotics North America, Inc. | Integral pneumatic dispenser and method for controlling same |
US6619508B2 (en) * | 2001-10-25 | 2003-09-16 | International Business Machines Corporation | Apparatus for dispensing a multiple-component substance from a multiple-barrel cartridge |
DE202005005833U1 (de) * | 2005-02-25 | 2005-06-23 | Vosschemie Gmbh | Vorrichtung zum Vermischen einer Binder- und einer Härter-Komponente |
US7562792B2 (en) * | 2005-06-13 | 2009-07-21 | George Nisbet | Method and apparatus for metering a fluid mixture |
US20070000947A1 (en) * | 2005-07-01 | 2007-01-04 | Lewis Russell H | Apparatus and methods for dispensing fluidic or viscous materials |
US8197122B2 (en) * | 2008-04-24 | 2012-06-12 | Tyco Healthcare Group Lp | Dynamic mixing applicator |
EP2191904A2 (de) * | 2008-12-01 | 2010-06-02 | Sturm Maschinenbau GmbH | Vorrichtung und Verfahren zum Aufbringen einer Mehrkomponentenmischung |
EP2198949A1 (de) * | 2008-12-18 | 2010-06-23 | Sika Technology AG | Dispensierwerkzeug für mehrkomponentige Substanzen |
CN105385406B (zh) * | 2015-12-08 | 2017-12-15 | 中国航空工业集团公司北京航空材料研究院 | 一种室温硫化双组分聚硫醚密封剂、其制备和使用方法 |
US11460065B2 (en) | 2016-07-26 | 2022-10-04 | Chemetall Gmbh | Method and device for filling seal caps |
-
2017
- 2017-09-05 EP EP17762112.5A patent/EP3512640B1/de active Active
- 2017-09-05 JP JP2019535447A patent/JP6999676B2/ja active Active
- 2017-09-05 WO PCT/EP2017/072215 patent/WO2018050482A1/de unknown
- 2017-09-05 CA CA3036589A patent/CA3036589A1/en active Pending
- 2017-09-05 BR BR112019003551-6A patent/BR112019003551B1/pt active IP Right Grant
- 2017-09-05 US US16/332,919 patent/US11059070B2/en active Active
- 2017-09-05 CN CN201780055980.7A patent/CN109789436B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
BR112019003551A2 (pt) | 2019-05-28 |
US20190232330A1 (en) | 2019-08-01 |
EP3512640B1 (de) | 2022-03-16 |
JP6999676B2 (ja) | 2022-02-04 |
WO2018050482A1 (de) | 2018-03-22 |
CN109789436A (zh) | 2019-05-21 |
US11059070B2 (en) | 2021-07-13 |
JP2019532813A (ja) | 2019-11-14 |
CA3036589A1 (en) | 2018-03-22 |
BR112019003551B1 (pt) | 2022-09-20 |
CN109789436B (zh) | 2021-07-09 |
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