DE202006003323U1 - Infrared welding device for plastic parts, e.g. instrument panels for cars, comprises two moveable receivers with suction holders for the parts and an infrared tool from which radiation is directed onto the welding areas - Google Patents

Infrared welding device for plastic parts, e.g. instrument panels for cars, comprises two moveable receivers with suction holders for the parts and an infrared tool from which radiation is directed onto the welding areas Download PDF

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Publication number
DE202006003323U1
DE202006003323U1 DE202006003323U DE202006003323U DE202006003323U1 DE 202006003323 U1 DE202006003323 U1 DE 202006003323U1 DE 202006003323 U DE202006003323 U DE 202006003323U DE 202006003323 U DE202006003323 U DE 202006003323U DE 202006003323 U1 DE202006003323 U1 DE 202006003323U1
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Prior art keywords
infrared
parts
plastic parts
welding
tool
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DE202006003323U
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German (de)
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Hermann Luehr GmbH
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HERMANN LUEHR GmbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • B29C65/1416—Near-infrared radiation [NIR]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1496—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation making use of masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7841—Holding or clamping means for handling purposes
    • B29C65/7847—Holding or clamping means for handling purposes using vacuum to hold at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

An infrared welding device for plastic parts, comprising (a) two receivers (10, 12) each of which has a retainer (14) for a plastic part, each receiver being moveable (relative to the other) into a heating position and into a welding position in which the parts are brought into contact and (b) an infrared tool (24) with an infrared source from which radiation is directed when in the heating position onto the areas of the parts to be joined together (38, 42).

Description

Die vorliegende Erfindung betrifft eine Vorrichtung zum Verschweißen von zwei Kunststoffteilen. Insbesondere betrifft die Erfindung eine Schweißvorrichtung für Kunststoffteile im Innenausbau von Fahrzeugen wie beispielsweise Armaturenbrett und Mittelkonsole für einen PKW.The The present invention relates to a device for welding two plastic parts. In particular, the invention relates to a welding device for plastic parts in the interior of vehicles such as dashboard and center console for a car.

Bisher wurde für Kunststoffteile mit einer Abmessung von mehr als 1.000 mm Größe regelmäßig ein Ultraschallschweißen eingesetzt. Bei dem Ultraschallschweißen wird die Energie an den Schweißstellen über Sonotroden in das Kunststoffmaterial eingebracht, die eingebrachte Energie läßt das zu verschweißende Kunststoffmaterial aufschmelzen und schafft so die Verbindungsmöglichkeit. Ebenfalls ist bekannt, gerade in der Kraftfahrzeugtechnik eine Vibrationsschweißvorrichtung für große Kunststoffteile einzusetzen.So far was for Plastic parts with a size of more than 1,000 mm in size regularly ultrasonic welding used. In ultrasonic welding, the energy is applied to the Welds via sonotrodes introduced into the plastic material, the introduced energy leaves the plastic material to be welded melt and thus creates the connectivity. It is also known just in automotive engineering a vibration welding device for large plastic parts use.

Beide Schweißverfahren legen dem Konstrukteur und Formgeber für gewisse Beschränkungen bei der Gestaltung und Auslegung der Kunststoffteile auf. Für das Vibrationsschweißen ist beispielsweise darauf zu achten, dass die Krümmung der miteinander zu verschweißenden Teile nicht die Aufnahme der Vibrationsenergie verhindert. Ferner ist das Vibrationsschweißen mit einer Fusselbildung behaftet, die eine aufwendige Nachbearbeitung der Teile nach dem Verschweißvorgang erfordert.Both welding processes put the designer and stylist for certain restrictions in the design and layout of the plastic parts. For vibration welding is For example, make sure that the curvature of the parts to be welded together does not prevent the absorption of the vibration energy. Further is the vibration welding Afflicted with a lint, the elaborate post-processing the parts after the welding process requires.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung für ein Schweißverfahren für größere Kunststoffteile bereitzustellen, die mit einfachen Mitteln ein hochgenaues Verschweißen von komplex geformten, dreidimensionalen Kunststoffteilen gestattet.Of the Invention is based on the object, a device for a welding process for larger plastic parts provide, with simple means a high-precision welding of Complex shaped, three-dimensional plastic parts allowed.

Erfindungsgemäß wird die Aufgabe durch eine Vorrichtung nach Anspruch 1 gelöst.According to the invention Problem solved by a device according to claim 1.

Die der Erfindung zugrundeliegende Aufgabe wird durch eine Vorrichtung zum Infrarotschweißen von Kunststoffteilen gelöst. Die Vorrichtung besteht aus einer ersten und aus einer zweiten Aufnahme, die jeweils ein Haltemittel für ein Kunststoffteil besitzt. Hierbei ist die Vorrichtung derart ausgelegt, dass mindestens eine Aufnahme relativ zu der anderen Aufnahme in eine Erhitzungsposition und in eine Verschweißposition verfahrbar ist. Bevorzugt sind beide Aufnahmen relativ zueinander verfahrbar. In der Schweißposition der Aufnahmen sind die Kunststoffteile in den zu verbindenden Bereichen miteinander in Kontakt. Die Vorrichtung besitzt ferner ein Infrarotwerkzeug, das eine Infrarotstrahlungsquelle aufweist, deren Strahlung in der Erhitzungsposition auf die zu verbindenden Bereiche der Kunststoffteile gerichtet ist. In der Erhitzungsposition ist eine Infrarotstrahlungsquelle derart relativ zu den Kunststoffteilen ausgerichtet, dass die miteinander zu verbindenden Bereiche der Kunststoffteile aufgeheizt werden. Bevor zugt ist in der Erhitzungsposition das Infrarotwerkzeug zwischen den Aufnahmen angeordnet.The The problem underlying the invention is achieved by a device for infrared welding detached from plastic parts. The device consists of a first and a second recording, each a holding means for has a plastic part. Here, the device is designed such that at least one recording relative to the other recording in one Heating position and in a Verschweißposition is movable. Prefers Both recordings are movable relative to each other. In the welding position The pictures are the plastic parts in the areas to be connected in contact with each other. The device also has an infrared tool, having an infrared radiation source whose radiation in the Heating position directed to the areas to be joined of the plastic parts is. In the heating position is an infrared radiation source aligned so relative to the plastic parts that the one another To be connected areas of the plastic parts to be heated. Before given in the heating position, the infrared tool is between arranged the recordings.

In einer bevorzugten Ausgestaltung ist das Infrarotwerkzeug relativ zu den Aufnahmen verfahrbar, wobei das Infrarotwerkzeug bevorzugt einen oder mehrere Infrarotstrahler aufweist, die auf zwei gegenüberliegende Seiten abstrahlen und durch Masken derart abgedeckt sind, dass die Strahlung in der Erhitzungsposition des Infrarotwerkzeugs auf die zu verbindenden Bereiche trifft.In In a preferred embodiment, the infrared tool is relative moved to the recordings, with the infrared tool preferred having one or more infrared radiators, on two opposite Pages radiate and covered by masks are such that the Radiation in the heating position of the infrared tool to the connecting areas.

In einer bevorzugten Ausgestaltung sind die Haltemittel mit Saugelementen ausgestattet. Die Saugelemente halten durch Unterdruck die Kunststoffteile in der Aufnahme. Bevorzugt ist die Aufnahme in ihrer Fläche für die Kunststoffteile derart ausgestaltet, dass die Kunststoffteile mindestens teilweise flächig an der Aufnahme anliegen. Durch die flächige Anlage läßt sich ein gleichmäßiger Druck beim Verschweißen der Kunststoffteile auf diese aufbringen.In In a preferred embodiment, the holding means are with suction elements fitted. The suction elements hold by vacuum the plastic parts in the recording. Preferably, the receptacle is in its surface for the plastic parts designed such that the plastic parts at least partially flat abut the recording. Due to the flat system can be a uniform pressure during welding Apply the plastic parts to this.

Die Erfindung wird nachfolgend anhand eines Beispiels näher erläutert. Es zeigt:The The invention will be explained in more detail below by means of an example. It shows:

1 eine schematische Ansicht der erfindungsgemäßen Anlage zum Verschweißen von zwei großflächigen Kunststoffteilen und 1 a schematic view of the system according to the invention for welding two large plastic parts and

2 die Form der in den Kunststoffteilen vorgesehenen Schweißrippen. 2 the shape of the provided in the plastic parts welding ribs.

1 zeigt in einer schematischen Ansicht eine untere Aufnahme 10 sowie eine obere Aufnahme 12 für zwei miteinander zu verschweißende Kunststoffteile. Für die untere Aufnahme 10 hält eines der zu verschweißenden Kunststoffteile, beispielsweise mit einer Größe von 300 × 500 mm oder 500 × 1.300 mm. Bei solchen Kunststoffteilen kann es sich beispielsweise um Teile der Verkleidung in dem Fahrgastinnenraum handeln. Insbesondere ist es in der Kraftfahrzeugtechnik üblich, die gesamte vordere Innenraumverkleidung einschließlich Armaturenbrett und Mittelkonsole aus einem Stück zu fertigen. Damit der Fahrgastinnenraum eine entsprechende Oberfläche besitzt, wird das „Armaturenbrett" mit einem zweiten Kunststoffteil verschweißt. Das zweite Kunststoffteil, das im Wesentlichen eine Abdeckung für das „Armaturenbrett" bildet, wird in einer zweiten Aufnahme 12 gehalten. Die Kunststoffteile werden jeweils über Sauger 14 in den Aufnahmen gehalten, sodass die Kunststoffteile in entsprechend geformten Vertiefungen 16 in den Aufnahmen gehalten sind. Die Kunststoffteile liegen an der Vertiefung 16 an und werden auf diese Weise exakt ausgerichtet. Ein besonderer Vorteil der dargestellten Aufnahme 10 und 12 ist, dass sich diese einfach aus der Richtung 18 in die Aufnahmen 10 und 12 einlegen lassen. Die Aufnahmen 10 und 12 sind beide jeweils unabhängig voneinander in Richtung der Doppelpfeile 20 verfahrbar. Hierbei ist es zusätzlich möglich, die obere Aufnahme 12 in Richtung 22 zu verschwenken, um das obere Kunststoffteil leichter aufnehmen zu können. 1 shows a schematic view of a lower receptacle 10 as well as an upper intake 12 for two plastic parts to be welded together. For the lower picture 10 holds one of the plastic parts to be welded, for example with a size of 300 × 500 mm or 500 × 1300 mm. Such plastic parts may be, for example, parts of the panel in the passenger compartment. In particular, it is common in automotive technology to manufacture the entire front interior trim including dashboard and center console from one piece. To ensure that the passenger compartment has a corresponding surface, the "dashboard" is welded to a second plastic part, while the second plastic part, which essentially forms a cover for the "dashboard", is housed in a second receptacle 12 held. The plastic parts are each about suckers 14 held in the recordings, so that the plastic parts in correspondingly shaped recesses 16 are held in the recordings. The plastic parts are located at the recess 16 and are aligned in this way exactly. A particular advantage of the recording shown 10 and 12 is that these are simply out of the direction 18 in the recordings 10 and 12 let insert. The pictures 10 and 12 Both are each independently in the direction of the double arrows 20 traversable. It is also possible, the upper recording 12 in the direction 22 to pivot in order to accommodate the upper plastic part easier.

In 1 ist ebenfalls schematisch ein Infrarotwerkzeug 24 dargestellt. Das Infrarotwerkzeug ist über Arme 26 entlang dem Doppelpfeil 28 verfahrbar. Das Infrarotwerkzeug besitzt in seinem Innenraum eine Reihe von Infrarotstrahlern (nicht dargestellt). Die Strahler sind abgedeckt durch eine Schablone 30, die Durchbrechungen 32 besitzt. Durch die Durchbrechungen 32 tritt die Infrarotstrahlung aus und kann so gezielt auf die zu verschweißenden Bereiche gerichtet werden. Außerhalb dieser Bereiche wird das Kunststoffmaterial durch die Schablone 30 weitgehend von der Infrarotstrahlung abgeschirmt, sodass in diesen Bereichen weder ein Aufheizen, noch ein Verziehen der Kunststoffteile auftreten kann. Die Schablone 30 mit den Durchbrechungen 32 ist speziell an die Lage der zu verschweißenden Bereiche angepaßt.In 1 is also schematically an infrared tool 24 shown. The infrared tool is over arms 26 along the double arrow 28 traversable. The infrared tool has in its interior a number of infrared radiators (not shown). The spotlights are covered by a template 30 , the breakthroughs 32 has. Through the openings 32 the infrared radiation comes out and can be directed so targeted to the areas to be welded. Outside these areas, the plastic material passes through the template 30 largely shielded from the infrared radiation, so that neither heat nor distortion of the plastic parts can occur in these areas. The template 30 with the openings 32 is specially adapted to the position of the areas to be welded.

Bevorzugt eingesetzt werden Infrarotstrahler im kurzwelligen Infrarotbereich, die eine vergleichsweise kurze Aufheizperiode besitzen. Das Infrarotwerkzeug, ist im Bereich der Infrarotstrahler so ausgelegt, dass für einen Austausch der Strahler diese leicht zugänglich sind.Prefers used are infrared radiators in the short-wave infrared range, which have a comparatively short heating-up period. The infrared tool, is designed in the field of infrared heaters so that for a Replacing the emitters these are easily accessible.

Während des Ablaufs der Vorrichtung werden zunächst Aufnahme 10 und 12 auseinandergefahren, und aus der Richtung 18 mit den zu verbindenden Kunststoffteilen beladen. Die Aufnahme 12 kann zu einem leichteren Beladen verschwenkbar ausgebildet sein. Über die Unterdrucksaugelemente 14 werden die Kunststoffteile in einer vorbestimmten Position gehalten. Relativ zu den Aufnahmen 10 und 12 wird das Infrarotwerkzeug 24 eingefahren und bestrahlt die zu verschweißenden Bereiche. Nach einer Aufheizzeit von einigen Sekunden bis wenigen Minuten wird das Infrarotwerkzeug 24 wieder zurückgefahren und die Aufnahmen 10 und 12 aufeinandergedrückt, sodass die Kunststoffteile sich miteinander verbinden können.During the expiration of the device will be recording first 10 and 12 moved apart, and from the direction 18 loaded with the plastic parts to be joined. The recording 12 may be designed to be pivotable for easier loading. About the vacuum suction elements 14 the plastic parts are held in a predetermined position. Relative to the pictures 10 and 12 becomes the infrared tool 24 retracted and irradiated the areas to be welded. After a warm-up time of a few seconds to a few minutes, the infrared tool 24 moved back and the shots 10 and 12 pressed together so that the plastic parts can connect to each other.

Für das Infrarotschweißen mit großflächigen Teilen hat es sich als besonders vorteilhaft herausgestellt, vorstehende Schweißrippen 34 und 36 an den Kunststoffteilen vorzusehen. Ein zu verschweißender Bereich 38 besitzt trapezförmige Schweißrippen, die entlang jeder Seite ungefähr mittig im Bereich 40 unterbrochen sind. In dem hierzu korrespondierenden Bereich 42 sind die Schweißrippen 36 mit entsprechenden Trapezen ausgebildet, die allerdings nicht unterbrochen sind, sondern durchlaufen.For infrared welding with large-area parts, it has proven to be particularly advantageous, protruding welding ribs 34 and 36 to provide on the plastic parts. An area to be welded 38 has trapezoidal weld ribs that are approximately centered along each side in the area 40 are interrupted. In the corresponding area 42 are the welding ribs 36 formed with corresponding trapezoids, which are not interrupted, but go through.

Claims (6)

Vorrichtung zum Infrarotschweißen von Kunststoffteilen mit • einer ersten und einer zweiten Aufnahme (10, 12), die jeweils Haltemittel (14) für ein Kunststoffteil besitzen, wobei mindestens eine Aufnahme (10, 12) relativ zu der anderen Aufnahme (12, 10) in eine Erhitzungsposition und in eine Schweißposition verfahrbar (20) ist, in der die Kunststoffteile in den zu verbindenden Bereichen in Kontakt stehen, und • einem Infrarotwerkzeug (24), das eine Infrarotstrahlungsquelle aufweist, deren Strahlung in der Erhitzungsposition auf die zu verbindenden Bereiche (38, 42) der Kunststoffteile in den Aufnahmen (10, 12) gerichtet ist.Device for the infrared welding of plastic parts with a first and a second receptacle ( 10 . 12 ), each holding means ( 14 ) for a plastic part, wherein at least one receptacle ( 10 . 12 ) relative to the other recording ( 12 . 10 ) in a heating position and in a welding position ( 20 ), in which the plastic parts in the areas to be connected are in contact, and • an infrared tool ( 24 ), which has an infrared radiation source whose radiation in the heating position to the regions to be connected ( 38 . 42 ) of the plastic parts in the recordings ( 10 . 12 ). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass in der Erhitzungsposition das Infrarotwerkzeug zwischen den Aufnahmen (10, 12) angeordnet ist.Apparatus according to claim 1, characterized in that in the heating position, the infrared tool between the recordings ( 10 . 12 ) is arranged. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Infrarotwerkzeug relativ zu den Aufnahmen (10, 12) verfahrbar ist.Apparatus according to claim 1 or 2, characterized in that the infrared tool relative to the recordings ( 10 . 12 ) is movable. Vorrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass das Infrarotwerkzeug einen oder mehrere Infrarotstrahler aufweist, die auf zwei gegenüberliegenden Seiten durch Masken (30) derart abgedeckt sind, dass die Strahlung in der Erhitzungsposition des Infrarotwerkzeugs auf die zu verbindenden Bereiche (38, 42) tritt.Apparatus according to claim 1 to 3, characterized in that the infrared tool has one or more infrared radiators, which on two opposite sides by masks ( 30 ) are covered such that the radiation in the heating position of the infrared tool on the areas to be connected ( 38 . 42 ) occurs. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass als Haltemittel (14) in den Aufnahmen Saugelemente vorgesehen sind.Device according to one of claims 1 to 4, characterized in that as holding means ( 14 ) are provided in the receptacles suction elements. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Kunststoffteil mindestens teilweise flächig an der Aufnahme anliegt.Device according to one of claims 1 to 5, characterized that the plastic part at least partially rests flat against the receptacle.
DE202006003323U 2006-02-18 2006-02-18 Infrared welding device for plastic parts, e.g. instrument panels for cars, comprises two moveable receivers with suction holders for the parts and an infrared tool from which radiation is directed onto the welding areas Expired - Lifetime DE202006003323U1 (en)

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EP2202051A1 (en) 2008-12-29 2010-06-30 FRIMO Group GmbH Infrared welding device
US20150118453A1 (en) * 2013-10-25 2015-04-30 Magna Exteriors Gmbh Method for connecting thermoplastic, coated components and plastic component
DE102017209810A1 (en) * 2017-06-09 2018-12-13 Dometic Sweden Ab Skylight for a recreational vehicle and method of making a skylight
DE102017011354A1 (en) 2017-12-07 2019-06-13 Kocher-Plastik Maschinenbau Gmbh Method and device for connecting at least two plastic parts
US10562234B2 (en) 2017-09-18 2020-02-18 Dukane Ias, Llc Gas shielded infrared welding and staking system
USD886327S1 (en) 2017-06-09 2020-06-02 Dometic Sweden Ab Skylight dome

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Publication number Priority date Publication date Assignee Title
EP2202051A1 (en) 2008-12-29 2010-06-30 FRIMO Group GmbH Infrared welding device
DE102008063177A1 (en) 2008-12-29 2010-07-01 Frimo Group Gmbh Infrared welding device
US8302649B2 (en) 2008-12-29 2012-11-06 Frimo Group Gmbh Infrared welding device
DE102008063177B4 (en) 2008-12-29 2020-06-04 Frimo Group Gmbh Infrared welding device
US20150118453A1 (en) * 2013-10-25 2015-04-30 Magna Exteriors Gmbh Method for connecting thermoplastic, coated components and plastic component
US9821539B2 (en) * 2013-10-25 2017-11-21 Magna Exteriors Gmbh Method for connecting thermoplastic, coated components and plastic component
CN113580582A (en) * 2013-10-25 2021-11-02 麦格纳外部有限责任公司 Method for connecting thermoplastic coated parts and plastic part
USD886327S1 (en) 2017-06-09 2020-06-02 Dometic Sweden Ab Skylight dome
DE102017209810A1 (en) * 2017-06-09 2018-12-13 Dometic Sweden Ab Skylight for a recreational vehicle and method of making a skylight
DE102017209810B4 (en) 2017-06-09 2023-09-28 Dometic Sweden Ab Skylight for a recreational vehicle and method of making a skylight
US10562234B2 (en) 2017-09-18 2020-02-18 Dukane Ias, Llc Gas shielded infrared welding and staking system
WO2019110328A1 (en) 2017-12-07 2019-06-13 Kocher-Plastik Maschinenbau Gmbh Method and device for joining at least two plastic parts, and container
DE102017011354A1 (en) 2017-12-07 2019-06-13 Kocher-Plastik Maschinenbau Gmbh Method and device for connecting at least two plastic parts
US11591126B2 (en) 2017-12-07 2023-02-28 Kocher-Plastik Maschinenbau Gmbh Method and apparatus for joining at least two plastic parts

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