EP1272324A1 - Fixing device for mounting elements situated on flat components, in particular glass panels - Google Patents

Fixing device for mounting elements situated on flat components, in particular glass panels

Info

Publication number
EP1272324A1
EP1272324A1 EP01940277A EP01940277A EP1272324A1 EP 1272324 A1 EP1272324 A1 EP 1272324A1 EP 01940277 A EP01940277 A EP 01940277A EP 01940277 A EP01940277 A EP 01940277A EP 1272324 A1 EP1272324 A1 EP 1272324A1
Authority
EP
European Patent Office
Prior art keywords
fixing device
fixing
glass panels
tool
glass
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.)
Withdrawn
Application number
EP01940277A
Other languages
German (de)
French (fr)
Inventor
Cord Hagenmeyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BBG GmbH and Co KG
Original Assignee
BBG Braunsberger GmbH and Co KG
BBG GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BBG Braunsberger GmbH and Co KG, BBG GmbH and Co KG filed Critical BBG Braunsberger GmbH and Co KG
Publication of EP1272324A1 publication Critical patent/EP1272324A1/en
Withdrawn legal-status Critical Current

Links

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
    • B29C33/14—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B29C45/14377—Coating a portion of the article, e.g. the edge of the article using an additional insert, e.g. a fastening element
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14163—Positioning or centering articles in the mould using springs being part of the positioning means

Definitions

  • Fixing device for mounting parts on flat components, especially glass panels
  • the invention relates to a fixing device for mounting parts on flat components, in particular glass panels, which can be sprayed / foam-coated u at least on the side edges and have at least one mounting part.
  • Such components in the form of glass panels for sunroofs, rear, front or side windows or similar components are increasingly being used in motor vehicles.
  • the glass panel within the roof or window opening is chosen as large as possible so that the plastic frame surrounding the glass panel made of a thermoplastic or polyurethane display should be as narrow as possible.
  • This plastic frame of the glass sliding roof also serves to anchor holding parts, for example sheet metal tabs, to which articulation points or drive mechanisms for opening the glass sliding roof are articulated, in particular if the glass sliding roof is also used as a lifting or pop-up roof or as a rear, front or side window Fasteners are used.
  • a circumferential groove is also generally provided on the plastic frame.
  • this training requires a very precise foam or extrusion molding tool, because the distance between the groove base and the glass sheet outline on the four circumferential side edges of the glass sliding roof can only be a few millimeters because of the narrow design of the frame, so that it is very precise during manufacture Positioning of the component and the holder parts within the tool is required.
  • the fixing device required for production should also not prevent the foam from running out of the plastic during the overmolding or re-foaming process disturb so that the contact surfaces do not have to be oversized.
  • the mounting parts or sheets are supported on an elastic seal, the contact pressure for deforming the seal when inserting the sheets is often higher than the holding force of the magnets, so that the sheets are then not held securely.
  • Vacuum cups are also known for non-magnetic materials. The vacuum is controlled via controllable valves. The effort required for this is relatively high. Likewise, the use of vacuum suction devices is not always possible for reasons of space.
  • the object of the invention is to create a simply constructed fixing device for mounting parts on flat components, in particular for mounting parts on a glass sheet, which avoids the above disadvantages, in particular reduces tool costs and offers high positioning accuracy.
  • the holding parts can be positioned exactly with respect to the glass sheet and held in this position in an exactly aligned manner.
  • the fixing device is essentially integrated into the foaming tool and is of a very simple construction.
  • the fixing element “snaps into place”, a “snap or clacking sound” is generated, which gives the worker an acoustic feedback about the correct insertion and positioning.
  • the exact positioning of the holder parts ensures an even foam run and a complete wetting of the glass panel at the edges.
  • the strength between the glass sheet and the plastic frame is increased in a reproducible form, so that the quality of the finished component increases overall.
  • the effort for post-processing is considerably reduced and, in particular, an exact relative assignment is achieved, so that in a preferred application example of a glass sunroof a uniform sealing system and thus overall better sealing of the roof opening is achieved. Further advantageous refinements are the subject of the subclaims.
  • Fig. 1 is an overview of a sunroof for
  • FIG. 2 shows the glass sliding roof according to FIG. 1 during manufacture in the foaming tool
  • FIG. 3 shows a schematic illustration of a fixing device for the holding part
  • Fig. 4 shows a cross section through the holding part of FIG. 3 in partial plan view.
  • a glass sunroof 1 is shown as an application example for installation in a roof opening 2 of a motor vehicle.
  • the glass sliding roof 1 essentially comprises a glass sheet (here as a representative example of a flat component 3), which is surrounded on the outer edge or the side edges by a plastic frame 4, preferably made of PU foam.
  • This frame 4 is overmolded or foamed in a foaming tool (see FIG. 2) on the outer edge of the glass sheet 3.
  • a plurality of mounting parts 5 preferably here protruding downward protruding angle plates with recesses 5a, so that by inserting screws, bolts and the like, not shown.
  • a circumferential, preferably T-shaped groove 6 for inserting a seal 7 is provided on the outward-facing side edges of the plastic frame 4 in the plane of the glass panel 3.
  • the corresponding foaming tool 10 consisting of an upper tool part 11 and a lower tool part 12 is shown schematically.
  • the foaming tool 10 can also be rotated through 180 ° (“overhead”), so that the glass sheet 3 would then be positioned concavely (cf. FIG. 3).
  • the mold cavity on the outer circumference of the glass sheet 3 for forming the frame 4 is shown here in a dotted manner and is shaped in a streamlined manner, so that a secure mold filling is achieved. This is particularly important since the glass panel 3 and the mounting parts 5 are only fastened to the frame 4 through the contact surface in this exemplary embodiment.
  • the mold cavity shown here dotted to form the frame 4 and encapsulation / encapsulation is inexpensive to seal, preferably with a self-separating seal 13 which reliably prevents the plastic foam entering via one or, preferably, a plurality of injection openings 14 from reaching the top of the glass sheet 3 prevented. Through this seal 13, the top of the glass sheet 3 at Foaming process kept clean so that practically no rework is required.
  • a secure seal to ejectors 15 provided further inside is also possible, thus ensuring a secure filling of the mold cavity (for the frame 4) with encapsulation of the holder parts 5 on the contact surface.
  • the upper tool part 11 with the seal 13 extends substantially continuously outwards, so that different types of lower tool parts 12 can be used with a constant upper tool part 11. This makes it possible, for example, to manufacture different variants of the glass sliding roofs 1 with differently positioned mounting parts 5 on a production system with the same stamp-like upper tool part 11. In addition, it is sufficient to remove the finished sliding glass roof with the frame 4 by simply lifting the upper tool part 11 or lowering the lower tool part 12, so that the cycle time is thereby considerably reduced.
  • the fixing device 16 is shown with a roller as a fixing element 17 which is acted upon by a spring 18 and is used overall in a lateral gradation 10 'of the upper tool part 11.
  • the compression spring 18 with a displaceable guide pin as an anti-rotation device 19 is essentially aligned in the plane of the flat component 3.
  • the roller 17 lies against the edges of the holding part 5 or engages in its recess 5a in a precisely fitting manner, which results in automatic centering and positional alignment due to the spring action.
  • This is associated with a "snap or clacking sound" since the roller 17 strikes the inside of the gradation 10 '(cf. also FIG. 4).
  • the preferred role as a fixing element 17 avoids when r ⁇ • «. oo

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Seal Device For Vehicle (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention aims to provide a simple construction for a fixing device for mounting elements (5) situated on flat components (3), in particular glass panels, whilst ensuring a high degree of positioning accuracy, whereby said glass panels can be provided, at least along their lateral edges, with an injection moulded/foamed plastic frame (4) and have at least one mounting element (5). To achieve this, the fixing device (16) is impinged by at least one spring (18) and positioned in the mounting element (5) in a locking/engaging manner.

Description

Beschreibungdescription
Fixiereinrichtung für Halterungsteile an flachen Bauteilen, insbesondere GlastafelnFixing device for mounting parts on flat components, especially glass panels
Die Erfindung betrifft eine Fixiereinrichtung für Halterungsteile an flachen Bauteilen, insbesondere Glastafeln, die zumindest an den Seitenkanten mit einem Kunststoff-Rahmen u spritzbar/umschaumbar sind und zumindest ein Halterungsteil aufweisen.The invention relates to a fixing device for mounting parts on flat components, in particular glass panels, which can be sprayed / foam-coated u at least on the side edges and have at least one mounting part.
Derartige Bauteile in Form von Glastafeln für Schiebedacher, Heck-, Front- oder Seitenscheiben oder ahnliche Bauteile werden in Kraftfahrzeugen zunehmend eingesetzt. Dabei ist die Glastafel innerhalb der Dach- oder Fensteröffnung so groß wie möglich gewählt, so daß der die Glastafel umgebende Kunststoff-Rahmen aus einem thermoplastischen Kunststoff oder Polyurethanschau so schmal wie möglich sein sollte. Dieser Kunststoff-Rahmen des Glasschiebedaches dient dabei auch zur Verankerung von Halterungsteilen, beispielsweise Blechlaschen, an denen Gelenkpunkte oder Antriebsmechanismen f r die Öffnung des Glasschiebedaches angelenkt sind, insbesondere wenn das Glasschiebedach auch als Hebe- oder AufSteildach oder als Heck-, Front- oder Seitenscheiben mit Befestigungsteilen verwendet wird.Such components in the form of glass panels for sunroofs, rear, front or side windows or similar components are increasingly being used in motor vehicles. The glass panel within the roof or window opening is chosen as large as possible so that the plastic frame surrounding the glass panel made of a thermoplastic or polyurethane display should be as narrow as possible. This plastic frame of the glass sliding roof also serves to anchor holding parts, for example sheet metal tabs, to which articulation points or drive mechanisms for opening the glass sliding roof are articulated, in particular if the glass sliding roof is also used as a lifting or pop-up roof or as a rear, front or side window Fasteners are used.
Zur Abdichtung ist zudem im allgemeinen an dem Kunststoff-Rahmen auch eine umlaufende Nut vorgesehen. Jedoch erfordert gerade diese Ausbildung ein sehr genaues Schaum- oder Umspritzwerkzeug, da der Abstand zwischen dem Nutgrund und dem Glastafelumriß an den vier umlaufenden Seitenkanten des Glasschiebedaches wegen der angestrebten schmalen Bauweise des Rahmens nur wenige Millimeter betragen kann, so daß bei der Herstellung eine sehr präzise Positionierung des Bauteils und der Halterungsteile innerhalb des Werkzeuges erforderlich ist. Die zur Fertigung erforderliche Fixiereinrichtung soll zudem auch den Schaumlauf des Kunststoffes beim Umspritz- bzw. Umschaumvorgang nicht stören, damit die Kontaktflächen nicht überdimensioniert werden müssen.For sealing purposes, a circumferential groove is also generally provided on the plastic frame. However, this training requires a very precise foam or extrusion molding tool, because the distance between the groove base and the glass sheet outline on the four circumferential side edges of the glass sliding roof can only be a few millimeters because of the narrow design of the frame, so that it is very precise during manufacture Positioning of the component and the holder parts within the tool is required. The fixing device required for production should also not prevent the foam from running out of the plastic during the overmolding or re-foaming process disturb so that the contact surfaces do not have to be oversized.
Bei bisherigen Herstellungsverfahren mit einem manuellen Ausrichten und Zentrieren der Halterungsteile im Umschäumwerkzeug ist der Nachteil einer hohen Taktzeit gegeben. Zudem ist die Maßgenauigkeit auch bei Verwendung von Anschlägen durch die Vielzahl der Werkzeugteile oft unzureichend, insbesondere wenn sich in dem Werkzeug und den Wärmeanfall bei der Fertigung Längungen und somit gewisse Maßungenauigkeiten ergeben können. Dadurch können an den Kanten des Kunststoff- Rahmens Grate auftreten, die wiederum ein hohes Maß an Nacharbeit erfordern. In üblichen Werkzeugen werden häufig zur Lagesicherung und -ausrichtung Fangstifte positioniert und die Halterungsteile gegen Herausfallen durch Magnete oder Vakuumsauger gehalten. Die Halterungsteile bzw. -bleche stützen sich hierbei auf einer elastischen Dichtung ab, wobei die Anpreßkraft zum Deformieren der Dichtung beim Einlegen der Bleche oft höher als die Haltekraft der Magneten ist, so daß die Bleche dann nicht sicher gehalten werden. Bei nicht-magnetischen Werkstoffen sind auch Vakuumsauger bekannt. Die Steuerung des Vakuums erfolgt über ansteuerbare Ventile. Der dafür nötige Aufwand ist relativ hoch. Ebenso ist aus Platzgründen der Einsatz von Vakuumsaugvorrichtungen nicht immer möglich.In previous manufacturing processes with manual alignment and centering of the holder parts in the foam-coating tool, there is the disadvantage of a long cycle time. In addition, the dimensional accuracy is often inadequate even when using stops due to the large number of tool parts, in particular if elongations and thus certain dimensional inaccuracies can result in the tool and the amount of heat generated during manufacture. This can result in burrs on the edges of the plastic frame, which in turn require a high degree of rework. In conventional tools, catch pins are often positioned to secure and align the position and the holding parts are held against falling out by magnets or vacuum suction cups. The mounting parts or sheets are supported on an elastic seal, the contact pressure for deforming the seal when inserting the sheets is often higher than the holding force of the magnets, so that the sheets are then not held securely. Vacuum cups are also known for non-magnetic materials. The vacuum is controlled via controllable valves. The effort required for this is relatively high. Likewise, the use of vacuum suction devices is not always possible for reasons of space.
Demzufolge liegt der Erfindung die Aufgabe zugrunde, eine einfach aufgebaute Fixiereinrichtung für Halterungsteile an flachen Bauteilen, insbesondere für Halterungsteile an einer Glastafel zu schaffen, die die vorstehenden Nachteile vermeidet, insbesondere die Werkzeugkosten reduziert und eine hohe Positioniergenauigkeit bietet.Accordingly, the object of the invention is to create a simply constructed fixing device for mounting parts on flat components, in particular for mounting parts on a glass sheet, which avoids the above disadvantages, in particular reduces tool costs and offers high positioning accuracy.
Diese Aufgabe wird gelöst durch eine Fixiereinrichtung gemäß den Merkmalen des Anspruches 1.This object is achieved by a fixing device according to the features of claim 1.
Durch die vorgeschlagene Fixiereinrichtung können die Halterungsteile bezüglich der Glastafel exakt positioniert und in dieser Lage genau ausgerichtet festgehalten werden. Dadurch kann der Kunststoff-Rahmen für das Umspritzen/Umschäumen in einfacher, exakter Weise hergestellt werden. Dabei ist die Fixiereinrichtung im wesentlichen in das Schäumwerkzeug integriert und sehr einfach aufgebaut. Zudem wird beim Einlegen der Halterungsteile durch den Werker beim "Einrasten " des Fixierelements ein "Schnapp- oder Klackgeräusch" erzeugt, was dem Werker eine akustische Rückkoppelung über das korrekte Einlegen und Positionieren vermittelt.By means of the proposed fixing device, the holding parts can be positioned exactly with respect to the glass sheet and held in this position in an exactly aligned manner. Thereby the plastic frame for extrusion coating / foaming can be produced in a simple, precise manner. The fixing device is essentially integrated into the foaming tool and is of a very simple construction. In addition, when the holder parts are inserted by the worker, when the fixing element “snaps into place”, a “snap or clacking sound” is generated, which gives the worker an acoustic feedback about the correct insertion and positioning.
Durch die exakte Positionierung der Halterungsteile wird ein gleichmäßiger Schaumlauf und eine vollständige Benetzung der Glastafel an den Rändern erreicht. Zudem wird die Festigkeit zwischen Glastafel und dem Kunststoff-Rahmen in reproduzierbarer Form erhöht, so daß die Qualität des Fertigbauteils insgesamt steigt. Insbesondere wird auch sichergestellt, daß die Halterungspunkte des Bauteils, insbesondere eines Glasschiebedaches exakt eingehalten werden. Hierdurch wird der Aufwand für eine Nachbearbeitung erheblich reduziert und insbesondere eine exakte Relativ-Zuordnung erzielt, so daß bei einem bevorzugten Anwendungsbeispiel eines Glas-Schiebedachs eine gleichmäßige Dichtungsanlage und somit insgesamt eine bessere Abdichtung der Dachöffnung erreicht wird. Weitere vorteilhafte Ausgestaltungen sind Gegenstand der Unteranspruche.The exact positioning of the holder parts ensures an even foam run and a complete wetting of the glass panel at the edges. In addition, the strength between the glass sheet and the plastic frame is increased in a reproducible form, so that the quality of the finished component increases overall. In particular, it is also ensured that the mounting points of the component, in particular of a sliding glass roof, are adhered to exactly. As a result, the effort for post-processing is considerably reduced and, in particular, an exact relative assignment is achieved, so that in a preferred application example of a glass sunroof a uniform sealing system and thus overall better sealing of the roof opening is achieved. Further advantageous refinements are the subject of the subclaims.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnungen näher erläutert und beschrieben. Hierin zeigen:An exemplary embodiment of the invention is explained and described in more detail below with reference to the drawings. Show here:
Fig. 1 eine Übersichtsdarstellung eines Schiebedaches fürFig. 1 is an overview of a sunroof for
Kraftfahrzeuge mit einer Glastafel als Beispiel eines flachen, in ein Schäumwerkzeug einzulegenden Bauteils mit einem Halterungsteil;Motor vehicles with a glass sheet as an example of a flat component to be inserted into a foaming tool with a holding part;
Fig. 2 das Glasschiebedach gemäß Fig. 1 bei der Herstellung im Schäumwerkzeug;FIG. 2 shows the glass sliding roof according to FIG. 1 during manufacture in the foaming tool;
Fig. 3 eine schematische Darstellung einer Fixiereinrichtung für das Halterungsteil; und3 shows a schematic illustration of a fixing device for the holding part; and
Fig. 4 einen Querschnitt durch das Halterungsteil nach Fig. 3 in Teil-Draufsicht. In Fig. 1 ist ein Glasschiebedach 1 als Anwendungsbeispiel zum Einbau in einer Dachöffnung 2 eines Kraftfahrzeuges dargestellt. Das Glasschiebedach 1 umfaßt im wesentlichen eine Glastafel (hier als repräsentatives Beispiel eines flachen Bauteils 3) , die am Außenrand bzw. den Seitenkanten von einem Kunststoff- Rahmen 4 bevorzugt aus PU-Schaumstoff umgeben ist. Dieser Rahmen 4 wird in einem Schäumwerkzeug (vgl. Fig. 2) an dem Außenrand der Glastafel 3 umspritzt bzw. umschäumt. Hierbei werden auch mehrere Halterungsteile 5, bevorzugt hier nach unten abstehende Winkelbleche mit Ausnehmungen 5a mitumspritzt, so daß durch Einsetzen von nicht dargestellten Schrauben, Bolzen u. dgl. in die Ausnehmungen 5a eine Befestigung an einem Schwenkgelenk oder dem Antriebsmechanismus zum Schieben bzw. Heben des Glasschiebedaches 1 ermöglicht wird. An den nach außen weisenden Seitenkanten des Kunststoff-Rahmens 4 ist in der Ebene der Glastafel 3 eine umlaufende, bevorzugt T-förmige Nut 6 zum Einsetzen einer Dichtung 7 vorgesehen.Fig. 4 shows a cross section through the holding part of FIG. 3 in partial plan view. In Fig. 1, a glass sunroof 1 is shown as an application example for installation in a roof opening 2 of a motor vehicle. The glass sliding roof 1 essentially comprises a glass sheet (here as a representative example of a flat component 3), which is surrounded on the outer edge or the side edges by a plastic frame 4, preferably made of PU foam. This frame 4 is overmolded or foamed in a foaming tool (see FIG. 2) on the outer edge of the glass sheet 3. Here, a plurality of mounting parts 5, preferably here protruding downward protruding angle plates with recesses 5a, so that by inserting screws, bolts and the like, not shown. Like. In the recesses 5a an attachment to a pivot joint or the drive mechanism for pushing or lifting the glass sliding roof 1 is made possible. A circumferential, preferably T-shaped groove 6 for inserting a seal 7 is provided on the outward-facing side edges of the plastic frame 4 in the plane of the glass panel 3.
In Fig. 2 ist das entsprechende Schäumwerkzeug 10 bestehend aus einem Werkzeugoberteil 11 und einem Werkzeugunterteil 12 schematisch dargestellt. Das Schäumwerkzeug 10 kann jedoch auch um 180° ("Überkopf") gedreht werden, so daß die Glastafel 3 dann konkav positioniert wäre (vgl. Fig. 3) . Wie hieraus ersichtlich ist, wird der Formhohlraum am Außenumfang der Glastafel 3 zur Ausbildung des Rahmens 4 hier punktiert dargestellt und strömungsgünstig geformt, so daß eine sichere Formfüllung erreicht wird. Dies ist besonders wesentlich, da die Glastafel 3 und die Halterungsteile 5 bei diesem Ausführungsbeispiel nur durch die Kontaktfläche zum Rahmen 4 hin befestigt sind. Der hier punktiert dargestellte Formhohlraum zur Ausbildung des Rahmens 4 und Umspritzung/Umschäumung ist dabei günstig abzudichten, bevorzugt mit einer selbsttrennenden Dichtung 13, die einen Austritt des über eine oder bevorzugt mehrere Einspritzöffnung (-en) 14 eintretenden Kunststoffschaumes an die Oberseite der Glastafel 3 zuverlässig verhindert. Durch diese Dichtung 13 wird die Oberseite der Glastafel 3 beim Schäumvorgang sauber gehalten, so daß praktisch keine Nacharbeit erforderlich ist.2, the corresponding foaming tool 10 consisting of an upper tool part 11 and a lower tool part 12 is shown schematically. However, the foaming tool 10 can also be rotated through 180 ° (“overhead”), so that the glass sheet 3 would then be positioned concavely (cf. FIG. 3). As can be seen from this, the mold cavity on the outer circumference of the glass sheet 3 for forming the frame 4 is shown here in a dotted manner and is shaped in a streamlined manner, so that a secure mold filling is achieved. This is particularly important since the glass panel 3 and the mounting parts 5 are only fastened to the frame 4 through the contact surface in this exemplary embodiment. The mold cavity shown here dotted to form the frame 4 and encapsulation / encapsulation is inexpensive to seal, preferably with a self-separating seal 13 which reliably prevents the plastic foam entering via one or, preferably, a plurality of injection openings 14 from reaching the top of the glass sheet 3 prevented. Through this seal 13, the top of the glass sheet 3 at Foaming process kept clean so that practically no rework is required.
Zudem ist ersichtlich, daß auch eine sichere Abdichtung zu weiter innen vorgesehenen Auswerfern 15 möglich ist, wodurch somit eine sichere Füllung des Formhohlraums (für den Rahmen 4) mit Umspritzung der Halterungsteile 5 an der Kontaktfläche sichergestellt ist. Weiterhin ist ersichtlich, daß sich das Werkzeugoberteil 11 mit der Dichtung 13 im wesentlichen kontinuierlich nach außen erstreckt, so daß bei einem gleichbleibenden Werkzeugoberteil 11 verschiedenartige Werkzeugunterteile 12 verwendet werden können. Hierdurch ist beispielsweise auf einer Produktionsanlage mit dem jeweils gleichen stempelartigen Werkzeugoberteil 11 eine Fertigung unterschiedlicher Varianten der Glasschiebedächer 1 mit verschieden positionierten Halterungsteilen 5 möglich. Zudem genügt zur Entnahme des fertiggestellten Glasschiebedaches mit dem Rahmen 4 ein einfaches Anheben des Werkzeugoberteils 11 bzw. ein Absenken des Werkzeugunterteils 12, so daß hierdurch die Taktzeit wesentlich verringert wird.In addition, it can be seen that a secure seal to ejectors 15 provided further inside is also possible, thus ensuring a secure filling of the mold cavity (for the frame 4) with encapsulation of the holder parts 5 on the contact surface. Furthermore, it can be seen that the upper tool part 11 with the seal 13 extends substantially continuously outwards, so that different types of lower tool parts 12 can be used with a constant upper tool part 11. This makes it possible, for example, to manufacture different variants of the glass sliding roofs 1 with differently positioned mounting parts 5 on a production system with the same stamp-like upper tool part 11. In addition, it is sufficient to remove the finished sliding glass roof with the frame 4 by simply lifting the upper tool part 11 or lowering the lower tool part 12, so that the cycle time is thereby considerably reduced.
In Fig. 3 ist die Fixiereinrichtung 16 mit einer Rolle als Fixierelement 17 dargestellt, die von einer Feder 18 beaufschlagt ist und insgesamt in einer seitlichen Abstufung 10' des Werkzeugoberteils 11 eingesetzt ist. Die Druck-Feder 18 mit einem verschiebbaren Führungsbolzen als Verdrehsicherung 19 ist im wesentlichen in der Ebene des flachen Bauteils 3 ausgerichtet. Die Rolle 17 liegt bei positionierter Glastafel 3 an den Kanten des Halterungsteils 5 an bzw. greift in deren Ausnehmung 5a exakt passend ein, wodurch sich aufgrund der Federbeaufschlagung eine automatische Zentrierung und Lageausrichtung ergibt. Dies ist mit einem "Schnapp- oder Klackgeräusch" verbunden, da die Rolle 17 an der Innenseite der Abstufung 10' (vgl. auch Fig. 4) anschlägt. Dadurch ergibt sich eine akustische Kontrolle für den Werker, nämlich daß das Halterungsteil 5 exakt eingesetzt und lagerichtig positioniert ist. Die bevorzugte Rolle als Fixierelement 17 vermeidet beim r~ •«. o oIn Fig. 3, the fixing device 16 is shown with a roller as a fixing element 17 which is acted upon by a spring 18 and is used overall in a lateral gradation 10 'of the upper tool part 11. The compression spring 18 with a displaceable guide pin as an anti-rotation device 19 is essentially aligned in the plane of the flat component 3. When the glass sheet 3 is positioned, the roller 17 lies against the edges of the holding part 5 or engages in its recess 5a in a precisely fitting manner, which results in automatic centering and positional alignment due to the spring action. This is associated with a "snap or clacking sound" since the roller 17 strikes the inside of the gradation 10 '(cf. also FIG. 4). This results in an acoustic control for the worker, namely that the holding part 5 is inserted exactly and positioned correctly. The preferred role as a fixing element 17 avoids when r ~ • «. oo
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Claims

Patentansprüche claims
1. Fixiereinrichtung für Halterungsteile (5) an flachen Bauteilen (3) , insbesondere Glastafeln, die zumindest an den Seitenkanten mit einem Kunststoff-Rahmen (4) umspritzbar/umschäumbar sind und zumindest ein Halterungsteil (5) aufweisen, dadurch gekennzeichnet, daß die Fixiereinrichtung (16) durch wenigstens eine Feder (18) beaufschlagt ist und im Halterungsteil (5) an-/eingreifend angeordnet ist.1. Fixing device for mounting parts (5) on flat components (3), in particular glass panels, which can be injection molded / foam-coated at least on the side edges with a plastic frame (4) and have at least one mounting part (5), characterized in that the fixing device (16) is acted upon by at least one spring (18) and is arranged in the holding part (5) in an engaging / engaging manner.
2. Fixiereinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß mehrere Fixiereinrichtungen (16) jeweils an Längs- und Seitenkanten des Bauteils (3) angeordnet sind.2. Fixing device according to claim 1, characterized in that a plurality of fixing devices (16) are each arranged on the longitudinal and side edges of the component (3).
3. Fixiereinrichtung nach Anspruch 1 oder 2 , dadurch gekennzeichnet, daß das Halterungsteil (5) eine Ausnehmung (5a) aufweist, in die ein Fixierelement (17) eingreift.3. Fixing device according to claim 1 or 2, characterized in that the holding part (5) has a recess (5a) into which a fixing element (17) engages.
4. Fixiereinrichtung nach Anspruch 3 , dadurch gekennzeichnet, daß die Fixiereinrichtung (16) an ihrer Vorderseite ein bewegliches Fixierelement (17) aufweist.4. Fixing device according to claim 3, characterized in that the fixing device (16) has a movable fixing element (17) on its front side.
5. Fixiereinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Fixierelement (17) durch eine Rolle gebildet ist.5. Fixing device according to claim 4, characterized in that the fixing element (17) is formed by a roller.
6. Fixiereinrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Fixiereinrichtung (16) eine Verdrehsicherung (19) , insbesondere in Form eines Fuhrungsbolzens aufweist.6. Fixing device according to one of claims 3 to 5, characterized in that the fixing device (16) has an anti-rotation device (19), in particular in the form of a guide bolt.
7. Fixiereinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Fixiereinrichtung (16) im Werkzeugunterteil (12) oder Werkzeugoberteil (11) eines Schäumwerkzeuges (10) , insbesondere in einer Abstufung (10') mittels einer Konsole (21) angeordnet ist.7. Fixing device according to one of claims 1 to 6, characterized in that the fixing device (16) in the lower tool part (12) or Tool upper part (11) of a foaming tool (10), in particular in a gradation (10 ') by means of a console (21).
8. Fixiereinrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Fixiereinrichtung (16) in Bereich der Trennebene eines Schäumwerkzeuges (10) vorgesehen ist.8. Fixing device according to one of claims 1 to 7, characterized in that the fixing device (16) is provided in the region of the parting plane of a foaming tool (10).
9. Fixiereinrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Federn (18) jeweils von einem Spannelement (20) vorspannbar sind.9. Fixing device according to one of claims 1 to 8, characterized in that the springs (18) are each biased by a clamping element (20).
10. Fixiereinrichtung nach Anspruch 9, dadurch gekennzeichnet, daß das Spannelement (20) jeweils durch eine Schraubspindel gebildet ist. 10. Fixing device according to claim 9, characterized in that the clamping element (20) is in each case formed by a screw spindle.
EP01940277A 2000-04-01 2001-04-02 Fixing device for mounting elements situated on flat components, in particular glass panels Withdrawn EP1272324A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20005946U DE20005946U1 (en) 2000-04-01 2000-04-01 Fixing device for mounting parts on flat components, especially glass panels
DE20005946U 2000-04-01
PCT/EP2001/003724 WO2001074561A1 (en) 2000-04-01 2001-04-02 Fixing device for mounting elements situated on flat components, in particular glass panels

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EP1272324A1 true EP1272324A1 (en) 2003-01-08

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EP01940277A Withdrawn EP1272324A1 (en) 2000-04-01 2001-04-02 Fixing device for mounting elements situated on flat components, in particular glass panels

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EP (1) EP1272324A1 (en)
AU (1) AU2001273911A1 (en)
DE (1) DE20005946U1 (en)
WO (1) WO2001074561A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20005946U1 (en) * 2000-04-01 2001-05-10 BBG Braunsberger GmbH & Co. KG, 87719 Mindelheim Fixing device for mounting parts on flat components, especially glass panels
DE102018102947A1 (en) * 2018-02-09 2019-08-14 Bbg Gmbh & Co. Kg Device for encapsulating or foaming lid-shaped components

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1529824A1 (en) * 1966-10-03 1970-04-09 Boegelsbacher Kg R Device for overmoulding flat bodies, preferably capacitor windings
US4894972A (en) * 1986-12-19 1990-01-23 Central Glass Company, Limited Window assembly and method of producing same
DE68924938T2 (en) * 1988-08-09 1996-07-25 Asahi Glass Co Ltd Method of making a glass sheet with a seal and mold for making such a glass sheet.
DD301476A7 (en) * 1989-06-08 1993-02-11 Norkun Gmbh Centering device for inserts in injection molds
JP3063288B2 (en) * 1991-09-30 2000-07-12 日産自動車株式会社 Method of forming window panel members
DE29703561U1 (en) * 1997-02-27 1997-06-05 Fa. Oskar Braunsberger, 87719 Mindelheim Glass composite element, in particular glass sliding roof for motor vehicles
US6120274A (en) * 1997-11-26 2000-09-19 Donnelly Corporation Mold assembly for molding a remotely located attachment member on a sheet of material
DE20005946U1 (en) * 2000-04-01 2001-05-10 BBG Braunsberger GmbH & Co. KG, 87719 Mindelheim Fixing device for mounting parts on flat components, especially glass panels

Non-Patent Citations (1)

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Title
See references of WO0174561A1 *

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DE20005946U1 (en) 2001-05-10
WO2001074561A1 (en) 2001-10-11

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