DE102014202016A1 - Application method and station for a multi-component adhesive mixture - Google Patents
Application method and station for a multi-component adhesive mixture Download PDFInfo
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- DE102014202016A1 DE102014202016A1 DE102014202016.6A DE102014202016A DE102014202016A1 DE 102014202016 A1 DE102014202016 A1 DE 102014202016A1 DE 102014202016 A DE102014202016 A DE 102014202016A DE 102014202016 A1 DE102014202016 A1 DE 102014202016A1
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- Prior art keywords
- adhesive
- application
- component
- mixture
- mixing
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/84—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins
-
- 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
- B01F35/81—Forming mixtures with changing ratios or gradients
-
- 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
- B01F35/833—Flow control by valves, e.g. opening intermittently
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
- B29B7/242—Component parts, details or accessories; Auxiliary operations for feeding in measured doses
- B29B7/244—Component parts, details or accessories; Auxiliary operations for feeding in measured doses of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
Abstract
Bei einem Applikationsverfahren und einer Applikationsstation für ein Mehrkomponenten-Klebstoffsystem, bei welchen die einzelnen Klebstoffkomponenten am Applikationsort vermischt und anschließend auf die Klebestelle aufgetragen werden, lassen sich erfindungsgemäß die Taktzeiten für eine qualitativ hochwertige Verklebung an Bau- und insbesondere Kraftfahrzeugteilen auf seriengerechte Weise dadurch deutlich verkürzen, dass das Mischungsverhältnis der Klebstoffkomponenten im Laufe des Klebstoffauftrags schrittweise oder kontinuierlich in Richtung einer Verringerung der offenen Klebstoffzeit verändert wird.In an application method and an application station for a multi-component adhesive system, in which the individual adhesive components are mixed at the application site and then applied to the splice, the cycle times for high-quality bonding to construction and in particular motor vehicle parts can be significantly shortened according to the invention in that the mixing ratio of the adhesive components is changed step by step or continuously in the direction of a reduction of the open adhesive time during the course of the adhesive application.
Description
Die Erfindung bezieht sich auf Applikationsverfahren und eine Applikationsstation für eine Mehrkomponenten-Klebstoffmischung, mit einer Klebstoff-Mischkammer einschließlich mindestens eines Mischorgans und mehreren, den Mengenzustrom jeweils einer Klebstoffkomponente zur Mischkammer regulierenden Dosierelementen sowie mit einer die jeweilige Klebstoffmischung aus der Mischkammer auf die Bauteil-Klebestelle auftragenden Applikationsdüse, nach dem Oberbegriff des Patentanspruchs 1 bzw. 6.The invention relates to an application method and an application station for a multi-component adhesive mixture, comprising an adhesive mixing chamber including at least one mixing element and a plurality of metering elements which regulate in each case an adhesive component to the mixing chamber and with a respective adhesive mixture from the mixing chamber to the component splice Applicable application nozzle, according to the preamble of claim 1 or 6.
Aus der
Demgegenüber ist es Aufgabe der Erfindung, ein Applikationsverfahren und eine Applikationsstation der eingangs genannten Art so auszubilden, dass sich die erwähnten Wartezeiten deutlich verkürzen und auf seriengerechte Weise und mit hoher Taktfrequenz qualitativ hochwertige Verklebungen an Bau- und insbesondere Kraftfahrzeugteilen herstellen lassen.In contrast, it is an object of the invention to provide an application method and an application station of the type mentioned in such a way that the mentioned waiting times significantly shorten and can be produced in a manner suitable for production and high frequency high-quality bonding to construction and especially motor vehicle parts.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 bzw. 6 gelöst. Die Unteransprüche beschreiben vorteilhafte Weiterbildungen der Erfindung.This object is achieved by the features of claim 1 and 6 respectively. The subclaims describe advantageous developments of the invention.
Erfindungsgemäß wird das Mischungsverhältnis der Klebstoffkomponenten während des Klebstoffauftrags unter Berücksichtigung der Auftragslänge zunehmend verändert und so die Offen- oder Topfzeit der Klebstoffmischung vom Beginn bis zum Ende des Klebstoffauftrags vorzugsweise kontinuierlich oder schrittweise derart reduziert, dass die Ankickphase, in der sich die Verklebung ausreichend für das weitere Bauteilhandling verfestigt, unmittelbar nach dem Klebstoffauftrag gleichmäßig in dem gesamten Klebstoffvolumen einsetzt. Daher entfallen die sonst für eine fehlstellenfreie Verklebung erforderlichen, erheblich taktverlängernden Wartezeiten. Das Ergebnis ist eine signifikante Erhöhung der Taktfrequenz und damit ein wesentlicher Beitrag zu einer serienmäßigen Bauteilverklebung.According to the mixing ratio of the adhesive components during the adhesive application is increasingly changed taking into account the order length and so the open or pot life of the adhesive mixture from the beginning to the end of the adhesive application preferably continuously or gradually reduced such that the Ankickphase in which the bonding sufficient for the solidified further component handling, immediately after the adhesive application evenly throughout the adhesive volume begins. Therefore eliminates the otherwise necessary for a defect-free bonding, significantly clock prolonged waiting times. The result is a significant increase in the clock frequency and thus a significant contribution to a standard component bonding.
In vorteilhafter Ausgestaltung der Erfindung wird in den Applikationspausen eine Probemischung des für den nächsten Auftragszyklus bestimmten Klebstoffgemisches hergestellt und dessen Reaktionsverhalten ermittelt. Auf diese Weise kann der Reaktionsverlauf der Klebstoffmischung noch vor dem eigentlichen Klebstoffauftrag überprüft und die als nächste vorgesehene Klebstoffmischung erforderlichenfalls nachjustiert werden.In an advantageous embodiment of the invention, a sample mixture of the adhesive mixture intended for the next application cycle is produced in the application pauses and its reaction behavior determined. In this way, the reaction progress of the adhesive mixture can be checked before the actual adhesive application and readjusted if necessary, the next proposed adhesive mixture.
Vorzugsweise wird die Klebstoffmischung mittels eines motorisch angetriebenen Mischorgans hergestellt, was in Verbindung mit der Probemischung den Vorteil hat, dass sich deren Reaktionsverhalten sehr einfach, nämlich auf dem Wege über eine fortlaufende Messung der Mischorgan-Antriebsleistung, ermitteln lässt.Preferably, the adhesive mixture is produced by means of a motor-driven mixing element, which in combination with the sample mixture has the advantage that its reaction behavior can be determined very simply, namely by way of a continuous measurement of the mixing element drive power.
Zur Verklebung vor allem von Kraftfahrzeugteilen wird zweckmäßigerweise ein stöchiometrisches Dreikomponentengemisch aus einem Harz, einem Schnellhärter und einem Langsamhärter verwendet und dabei der Anteil des Langsam- im Verhältnis zum Anteil des Schnellhärters während der Klebstoffapplikation mehr und mehr so reduziert, dass sich das Ende der Klebstoff-Offenzeit im gesamten Klebstoffauftrag unabhängig von der Auftragslänge annähernd zeitgleich an das Ende der Applikationsphase anschließt.For adhesive bonding, especially of motor vehicle parts, a stoichiometric three-component mixture of a resin, a fast curing agent and a slow hardener is expediently used, and the proportion of the slower relative to the proportion of the fast curing agent during the adhesive application is reduced more and more such that the end of the adhesive Open time in the entire adhesive application, regardless of the order length, approximately at the same time as the end of the application phase.
Bei einer Applikationsstation für einen Mehrkomponenten-Klebstoff, mit einer Mischkammer sowie mehreren, den Mengenzustrom jeweils einer Klebstoffkomponente zur Mischkammer regulierenden Dosierelementen und einer die jeweilige Klebstoffmischung aus der Mischkammer auf die Bauteil-Klebestelle auftragenden Applikationsdüse ist erfindungsgemäß eine Klebstoffsteuerung vorgesehen, welche eingangsseitig die augenblickliche Auftragslänge des Klebstoffs aufnimmt und zumindest eines der Dosierelemente mit zunehmender Auftragslänge vermehrt umsteuert. Die verfahrensgemäße Dosierung der Klebstoffkomponenten während des Applikationsprozesses wird daher selbsttätig und somit ohne manuelle Steuereingriffe reguliert.In an application station for a multi-component adhesive, with a mixing chamber and a plurality of metering elements which regulate the quantity of an adhesive component to the mixing chamber and an application nozzle applying the respective adhesive mixture from the mixing chamber to the component splice, an adhesive control is provided according to the invention, the input side being the instantaneous application length absorbs the adhesive and at least one of the metering increasingly reversed with increasing order length. The process according metering of the adhesive components during the application process is therefore regulated automatically and thus without manual control interventions.
In dem bevorzugten Anwendungsfall eines Dreikomponenten-Klebstoffsystems aus einer Harz-, einer Schnell- und einer Langsamhärterkomponente in einem stöchiometrischen Mischungsverhältnis werden von der Klebstoffsteuerung mindestens zwei Dosierelemente, nämlich das für den Langsamhärter und das Dosierelement für den Schnellhärter, während des Klebstoffauftrags kontinuierlich oder schrittweise in Richtung einer verringerten Offenzeit der Klebstoffmischung umgesteuert.In the preferred application of a three-component adhesive system of a resin, a fast and a slow hardener component in a stoichiometric mixing ratio of the adhesive control at least two metering, namely the slow hardener and the metering element for the fast curing, during the adhesive application continuously or stepwise in Directed towards a reduced open time of the adhesive mixture reversed.
Im Folgenden wird die Erfindung anhand eines in der einzigen Abbildung stark schematisiert dargestellten Ausführungsbeispiels näher erläutert. In the following, the invention will be explained in more detail with reference to an embodiment shown in highly schematic form in the single figure.
Die in der Abbildung gezeigte Applikationsstation enthält ein Dreikomponenten-Vorratslager, bestehend aus einem Harzbehälter
Nach dem Klebstoffauftrag wird das Bauteil
Um zu verhindern, dass der Klebstoff am Anfang der Klebstoffraupe
Zu diesem Zweck enthält die Applikationsstation eine Klebstoffsteuerung
In den Applikationspausen wird in der Mischkammer
Damit sich die gemischführenden Komponenten nicht mit Klebstoffresten zusetzen, werden sie in bestimmten Wartungsintervallen mit einem Lösungsmittel oder auch mit dem Langsamhärter freigespült.To prevent the mixed-conducting components from becoming clogged with adhesive residues, they are rinsed off with a solvent or with the slow hardener during certain maintenance intervals.
Im Rahmen der Erfindung sind zahlreiche Abwandlungen möglich. So können die Mischkammer
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- EP 1375008 B1 [0002] EP 1375008 B1 [0002]
Claims (8)
Priority Applications (1)
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DE102014202016.6A DE102014202016A1 (en) | 2014-02-05 | 2014-02-05 | Application method and station for a multi-component adhesive mixture |
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DE102014202016.6A DE102014202016A1 (en) | 2014-02-05 | 2014-02-05 | Application method and station for a multi-component adhesive mixture |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015209685A1 (en) * | 2015-05-27 | 2016-12-15 | Volkswagen Aktiengesellschaft | Joining method and joining device |
DE102015224997A1 (en) * | 2015-12-11 | 2017-06-14 | Henkel Ag & Co. Kgaa | Process for the preparation and application of adhesives |
EP3248673A3 (en) * | 2016-03-11 | 2018-03-28 | Fujifilm Planar Solutions, LLC | Advanced fluid processing methods and systems |
WO2018134476A1 (en) | 2017-01-23 | 2018-07-26 | Oy Pro-Hydro Ab | Open time compensated gluing process and gluing apparatus |
DE102018212807A1 (en) * | 2018-08-01 | 2020-02-06 | Audi Ag | Process for connecting components |
CN111346794A (en) * | 2018-12-31 | 2020-06-30 | 重庆津竹缘创新科技有限公司 | Two-component glue mixing device capable of overturning glue outlet through magnetic stirring |
WO2020182363A1 (en) * | 2019-03-08 | 2020-09-17 | Krones Ag | Labelling machine for applying labels to containers using cold glue |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE102015209685A1 (en) * | 2015-05-27 | 2016-12-15 | Volkswagen Aktiengesellschaft | Joining method and joining device |
DE102015224997A1 (en) * | 2015-12-11 | 2017-06-14 | Henkel Ag & Co. Kgaa | Process for the preparation and application of adhesives |
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DE102018212807B4 (en) | 2018-08-01 | 2022-03-24 | Audi Ag | Method for connecting components and system for connecting components |
CN111346794A (en) * | 2018-12-31 | 2020-06-30 | 重庆津竹缘创新科技有限公司 | Two-component glue mixing device capable of overturning glue outlet through magnetic stirring |
WO2020182363A1 (en) * | 2019-03-08 | 2020-09-17 | Krones Ag | Labelling machine for applying labels to containers using cold glue |
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