EP0333693A2 - Device for sheathing distance-keeper frames - Google Patents

Device for sheathing distance-keeper frames Download PDF

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Publication number
EP0333693A2
EP0333693A2 EP89890020A EP89890020A EP0333693A2 EP 0333693 A2 EP0333693 A2 EP 0333693A2 EP 89890020 A EP89890020 A EP 89890020A EP 89890020 A EP89890020 A EP 89890020A EP 0333693 A2 EP0333693 A2 EP 0333693A2
Authority
EP
European Patent Office
Prior art keywords
nozzles
frame
spacer
adhesive
frames
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP89890020A
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German (de)
French (fr)
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EP0333693B1 (en
EP0333693A3 (en
Inventor
Peter Lisec
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Individual
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Individual
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67304—Preparing rigid spacer members before assembly
    • E06B3/67321—Covering spacer elements, e.g. with sealants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67365—Transporting or handling panes, spacer frames or units during assembly
    • E06B3/67373—Rotating panes, spacer frames or units

Definitions

  • the invention relates to a device for coating spacer frames for insulating glass with adhesive or sealing compound with two nozzles arranged on both sides of a conveyor track for the frame.
  • Devices for coating spacer frames for insulating glass with adhesive or sealant are known.
  • devices in which the spacer frames have to be held with hands while they are being moved by conveyor belts between the coating nozzles (AT-PS 315 404 and 365 550)
  • devices equipped with turning devices for the spacer frames are also known (AT-PS 356 832 and DE-PS 28 03 132).
  • spacer frames which are composed of profile strips and corner angles, can be coated.
  • AT-PS 356 832 it is known to adjust the nozzles with the purpose of adapting the position of the nozzle openings to different spacer profiles (different spacing of the nozzle openings from the horizontal conveyor belt on which the spacer frames are guided lying during the coating process).
  • the turning direction is also moved in each case so that its axis is always "essentially” in the connecting line between the two nozzle openings.
  • the relative position of the connecting line between the openings of the nozzles to the axis, about which the turning device can be pivoted remains constant.
  • Spacer frames with integrally bent frame corners are also known (DE-PS 32 23 881).
  • the invention has for its object to provide a device of the type mentioned, with which spacer frames with curved corners can be coated.
  • the nozzles can also follow the profile strip from which the spacer frame is made, in the bending area, i.e. follow in the corners of the spacer frame and this also during the turning process itself. It is therefore possible to coat the spacer frame continuously in the corner area with adhesive or sealing compound (e.g. butyl rubber).
  • adhesive or sealing compound e.g. butyl rubber
  • the turning device is adjustable in height together with the nozzles. The vertical relative distance between the pivot axis of the turning device and the nozzles cannot be changed.
  • the device shown in FIGS. 1 and 2 has a frame 1 which is substantially L-shaped in a side view and which is supported at the top by means of height-adjustable feet 2 slightly inclined to the rear (cf. FIG. 2).
  • a frame 7 is attached to the carrier 4, in which a plurality of support rollers 8, the axes of which in the basic position shown in FIG. 2 are parallel to the long section of the base frame 1, i.e. are slightly inclined (approx. 5 °) backwards, run, are stored.
  • the support rollers 8 are driven via drive chains by a drive, not shown, at an adjustable speed.
  • the housing 3 there is a storage cylinder for adhesive or sealing compound, with which the spacer frames for insulating glass are coated, and the hydraulic and / or pneumatic presses for conveying the sealing compound to nozzles 10 provided on the upper side of the housing 3.
  • a heater in the housing with which the sealant can be heated to the necessary processing temperature.
  • the nozzles 10 are arranged on both sides of a conveyor track for the spacer frames formed by an endless conveyor belt 11.
  • the drive motor for that Conveyor belt 11 is also housed within the housing 3.
  • the housing 3 carries two or more pivotable pressure rollers 12 which press the section of the spacer frame passed between the nozzles 10 against the conveyor belt 11.
  • the housing 3 there is also a stop which can be pushed back and forth transversely to the conveyor track (not shown in the drawing) and which in its first advanced position stops the spacer frames transported by the device when the conveyor belt 11 continues when a corner of a spacer frame is located is just between the nozzles 10.
  • a two-armed gripper 13 of a turning device is also provided, which can be pivoted about an axis which passes through the outlet openings of the nozzles 10.
  • this gripper 13 is equipped with a height adjustment which also serves to adapt to different spacer profile sizes.
  • the gripper 13 has arms 14 and 15, each carrying at least one clamp 16.
  • the clamps 16 In the basic position of the gripper 13 shown in FIG. 1, the clamps 16 have an upwardly projecting arm 14. This is intended for gripping an upwardly projecting frame section, whereas the clamp 16 on the arm 15 can grasp the frame section resting on the conveyor belt 11 .
  • the conveyor belt 11 is deflected downward on both sides of the nozzles 10 in order to create space for the clamps 16 of the gripper which can be pivoted through 90 ° in the direction of arrow 27 in FIG. 1.
  • the conveyor belt 11 can also consist of several sections consist.
  • the gripper 13 can be pivoted, for example, with the aid of a pneumatically operated pressure medium motor, the pivoting speed being able to be selected to be of different sizes. This makes it possible to pivot larger spacer frames more slowly than smaller ones, so that damage to larger spacer frames is avoided.
  • the clamps each consist of two clamping jaws 17 which carry rubber pads 18.
  • the clamping jaws 17 can be pivoted about axes 19 arranged at a distance from one another.
  • a stop 24 is provided between the legs 20, which defines the open position of the clamp 16.
  • the clamping jaws 17 are pivoted towards one another and come into contact with a section of a spacer frame lying between them and hold them in place. The spacer frame can then be rotated by 90 ° by pivoting the gripper 13.
  • a spacer frame is placed by hand or by a suitable feed device on the section of the conveyor belt 11 on the left in FIG. 1 and is placed against the support rollers 8.
  • the conveyor belt 11 and the support rollers 8 driven at the same peripheral speed convey the spacer frame to the right until its front end, viewed in the direction of movement, reaches between the nozzles 10, where it is initially held by the stop 28 which can be pushed back and forth (Fig. 4).
  • the stop is withdrawn and the spacer frame pressed by the pressure rollers 12 against the conveyor belt 11 is moved, whereby its section resting on the conveyor belt 11 is coated.
  • the gripper 13 and with it the spacer frame is pivoted by 90 ° in the direction of arrow 27 in Fig. 1, so that the next section of the spacer frame to be coated rests on the conveyor belt 11 and after loosening the clamps 16 and tipping the support rollers 8 can be coated (Fig. 6 and 7). During this coating process, the gripper 13 is pivoted back into its starting position shown in FIG. 1.
  • a rigid support wall in which a conveyor belt is provided at a distance above the conveyor belt 11, can also be used for lateral support.
  • This conveyor belt is moved in front of the supporting wall during coating and during the transport of the spacer frames and is driven at the same speed as the conveyor belt 11.
  • either the storage of the turning device (gripper 13) is arranged laterally (parallel to the conveying direction) and the nozzle block carrying the nozzles 10 in the machine frame, or the storage of the turning device is adjustable both laterally and vertically .
  • Servo motors and / or pressure medium cylinders can be used for side and height adjustment. This adjustability of the reversible gripper and / or the nozzles allows the position of the pivot axis of the gripper 13 to be changed relative to the position of the connecting line of the nozzle openings.
  • This relative adjustability allows the nozzles 10 and / or the spacer frames to be moved in such a way that the nozzle openings are always opposite, that is to say also in the region of the bent corners and also during the turning process, to the side surfaces of the spacer frame to be coated. This is in the schematic FIGS. 4 to 7 shown. This means that the spacer frame can also be coated with adhesive or sealing compound in the corner area.
  • either two coaxial rollers are provided, which are assigned to the coatings applied on both sides of the spacer frame, or the roller is profiled according to the outer side of the profile strip forming the spacer frame.
  • a sensor preferably an optical fiber sensor, is provided, which is operatively connected to the control of the drives for the lateral or height adjustment of the turning device and / or the nozzles, so that this (r) is controlled so that the nozzles follow the side surfaces of the spacer frame in the corner area even during the turning process.
  • the abovementioned stop 28 for stopping the spacer frame can be advanced into a second position in which it stops the spacer frame when it is the end of the straight section (the front or the rear end) of one leg of the spacer frame is located between the nozzles 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Coating Apparatus (AREA)
  • Laminated Bodies (AREA)
  • Spray Control Apparatus (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Soil Working Implements (AREA)
  • Jib Cranes (AREA)

Abstract

In the device for coating distance-keeper frames for insulating glass, which possess corners which are bent in one piece, with an adhesive or sealing compound, the relative position between the connecting line of the openings of the nozzles (10) on the one hand and the axis about which the turning device (13, 14) can be swivelled on the other hand can be varied. This possibility for variation is achieved in that either the swivel bearing of the turning device (13, 14) is arranged so that it can be moved laterally or vertically up or down in the frame of the device, or in that the component part which supports the nozzles (10) is arranged so as to be movable vertically up or down in the frame of the device and the swivel bearing of the turning device is arranged so as to be movable laterally. As a result, the nozzles (10) remain aligned opposite the lateral faces of the distance-keeper frames even when the latter are being turned. <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zum Beschichten von Abstandhalterrahmen für Isolierglas mit Klebe- bzw. Dichtmasse mit zwei zu beiden Seiten einer Förderbahn für die Rahmen angeordneten Düsen.The invention relates to a device for coating spacer frames for insulating glass with adhesive or sealing compound with two nozzles arranged on both sides of a conveyor track for the frame.

Vorrichtungen zum Beschichten von Abstandhalterrahmen für Isolierglas mit Klebe- bzw. Dichtmittel sind bekannt. Neben Vorrichtungen, bei welchen die Abstandhalterrahmen mit den Händen gehalten werden müssen, während sie von Transportbändern zwischen den Beschichtungsdüsen hindurch bewegt werden (AT-PS 315 404 und 365 550), sind auch mit Wendeeinrichtungen für die Abstandhalterrahmen ausgerüstete Vorrichtungen bekannt (AT-PS 356 832 und DE-PS 28 03 132).Devices for coating spacer frames for insulating glass with adhesive or sealant are known. In addition to devices in which the spacer frames have to be held with hands while they are being moved by conveyor belts between the coating nozzles (AT-PS 315 404 and 365 550), devices equipped with turning devices for the spacer frames are also known (AT-PS 356 832 and DE-PS 28 03 132).

Mit diesen bekannten Vorrichtungen lassen sich Abstand­halterrahmen, die aus Profilleisten und Eckwinkeln zusammengesetzt sind, beschichten. Aus der AT-PS 356 832 ist es bekannt, die Düsen mit dem Zwecke der Anpassung der Lage der Düsenöffnungen an verschiedene Abstandhal­terprofile (unterschiedlicher Abstand der Düsenöffnungen von dem Horizontalförderband, auf dem die Abstandhalter­rahmen während des Beschichtungsvorganges aufliegend geführt werden), zu verstellen sind. Dabei wird gemäß der AT-PS 356 832 in jedem Fall auch die Wendeeienrichtung mitbewegt so daß dessen Achse ständig "im wesentlichen" in der Verbindungslinie zwischen den beiden Düsenöffnun­gen liegt. Bei der AT-PS 356 832 bleibt somit die Rela­tivlage der Verbindungslinie zwischen den Öffnungen der Düsen zur Achse, um welche die wendeeinrichtung schwenk­bar ist, konstant.With these known devices, spacer frames, which are composed of profile strips and corner angles, can be coated. From AT-PS 356 832 it is known to adjust the nozzles with the purpose of adapting the position of the nozzle openings to different spacer profiles (different spacing of the nozzle openings from the horizontal conveyor belt on which the spacer frames are guided lying during the coating process). According to AT-PS 356 832, the turning direction is also moved in each case so that its axis is always "essentially" in the connecting line between the two nozzle openings. In AT-PS 356 832, the relative position of the connecting line between the openings of the nozzles to the axis, about which the turning device can be pivoted, remains constant.

Es sind aber auch Abstandhalterrahmen mit einstückig gebogenen Rahmenecken bekannt (DE-PS 32 23 881). Die bekannten Vorrichtungen besitzen, wenn sie zum Be­schichten derartiger Abstandhalterrahmen verwendet werden, Nachteile, da sie den besonders kritischen Eckbereich nicht oder nur ungenügend mit Klebe- bzw. Dichtmasse beschichten.Spacer frames with integrally bent frame corners are also known (DE-PS 32 23 881). The Known devices, when used for coating such spacer frames, have disadvantages, since they do not coat the particularly critical corner area or only insufficiently with adhesive or sealing compound.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrich­tung der eingangs genannten Art zu schaffen, mit der auch Abstandhaltertrahmen mit gebogenen Ecken beschichtet wer­den können.The invention has for its object to provide a device of the type mentioned, with which spacer frames with curved corners can be coated.

Erfindungsgemäß wird dies dadurch erreicht, daß der ver­tikale Relativabstand zwischen der Verbindungslinie zwi­schen den Öffnungen der Düsen und der Achse, um welche die Wendeeinrichtung schwenkbar ist, veränderbar ist.This is achieved according to the invention in that the vertical relative distance between the connecting line between the openings of the nozzles and the axis about which the turning device can be pivoted can be changed.

Dank der erfindungsgemäßen Ausbildung der Beschichtungs­vorrichtung können die Düsen dem Verlauf der Profillei­ste, aus welcher der Abstandhalterrahmen besteht, auch im Biegebereich, d.h. im Bereich der Ecken des Abstandhal­terrahmens folgen und dies auch während des Wendevorgan­ges selbst. Es ist daher möglich, Abstandhalterrahmen auch im Eckbereich durchgehend mit Klebe- bzw. Dichtmasse (z.B. Butylkautschuk) zu beschichten.Thanks to the design of the coating device according to the invention, the nozzles can also follow the profile strip from which the spacer frame is made, in the bending area, i.e. follow in the corners of the spacer frame and this also during the turning process itself. It is therefore possible to coat the spacer frame continuously in the corner area with adhesive or sealing compound (e.g. butyl rubber).

Weitere Einzelheiten und Merkmale der Erfindung ergeben sich aus den Unteransprüchen und werden an Hand des in den Zeichnungen wiedergegebenen Ausführungsbeispieles näher erläutert. Es zeigt

  • Fig. 1 eine Vorrichtung zum Beschichten von Abstandhal­terrahmen von vorne,
  • Fig. 2 die Vorrichtung aus Fig. 1 in Seitenansicht,
  • Fig. 3 teilweise im Schnitt in Seitenansicht einen Grei­fer der Wendevorrichtung und die
  • Fig. 4 bis 7 verschiedene Phasen während der Beschichtung einer Ecke eines Abstandhalterrahmens.
Further details and features of the invention emerge from the subclaims and are explained in more detail with reference to the exemplary embodiment shown in the drawings. It shows
  • 1 shows a device for coating spacer frames from the front,
  • 2 shows the device from FIG. 1 in side view,
  • Fig. 3 partially in section in side view of a gripper of the turning device and the
  • 4 to 7 different phases during the coating of a corner of a spacer frame.

Im folgenden wird die Erfindung an Hand einer Beschich­tungsvorrichtung erläutert, die in ihrem grundsätzlichen Aufbau aus der AT-PS 356 832 bekannt ist. Bei der bekann­ten Vorrichtung ist die Wendeeinrichtung zwar zusammen mit den Düsen höhenverstellbar. Der vertikale Relaltiv­abstand zwischen der Schwenkachse der Wendeeinrichtung und den Düsen kann aber nicht geändert werden.In the following the invention will be explained with reference to a coating device, the basic structure of which is known from AT-PS 356 832. In the known device, the turning device is adjustable in height together with the nozzles. The vertical relative distance between the pivot axis of the turning device and the nozzles cannot be changed.

Die in Fig. 1 und 2 gezeigte Vorrichtung besitzt einen in Seitenansicht im wesentlichen L-förmigen Rahmen 1, der über höhenverstellbare Füße 2 am Boden oben etwas nach hinten geneigt (vgl. Fig. 2) abgestützt ist. Am Grundrah­men 1 ist ein Gehäuse 3 und ein Träger 4, der um eine untere horizontale Querachse 5 mit Hilfe einer Kolben-­Zylinder-Einheit gegenüber dem Basisrahmen verschwenkbar ist, befestigt. Am Träger 4 ist ein Rahmen 7 befestigt, in dem mehrere Stützwalzen 8, deren Achsen in der in Fig. 2 gezeigten Grundstellung parallel zum langen Abschnitt des Grundrahmens 1, d.h. leicht (etwa 5°) nach hinten geneigt, verlaufen, gelagert sind. Die Stützwalzen 8 wer­den über Antriebsketten von einem nicht näher gezeigten Antrieb mit einstellbarer Geschwindigkeit angetrieben.The device shown in FIGS. 1 and 2 has a frame 1 which is substantially L-shaped in a side view and which is supported at the top by means of height-adjustable feet 2 slightly inclined to the rear (cf. FIG. 2). A housing 3 and a carrier 4, which can be pivoted about a lower horizontal transverse axis 5 with the aid of a piston-cylinder unit relative to the base frame, are fastened to the base frame 1. A frame 7 is attached to the carrier 4, in which a plurality of support rollers 8, the axes of which in the basic position shown in FIG. 2 are parallel to the long section of the base frame 1, i.e. are slightly inclined (approx. 5 °) backwards, run, are stored. The support rollers 8 are driven via drive chains by a drive, not shown, at an adjustable speed.

Im Gehäuse 3 sind ein Vorratszylinder für Klebe- bzw. Dichtmasse, mit welcher die Abstandhalterrahmen für Iso­lierglas beschichtet werden, sowie die hydraulischen und/oder pneumatischen Pressen zum Fördern der Dichtmasse zu an der Oberseite des Gehäuses 3 vorgesehenen Düsen 10 untergebracht. Weiters befindet sich im Gehäuse eine Hei­zung, mit welcher die Dichtmasse auf die notwendige Ver­arbeitungstemperatur erwärmt werden kann.In the housing 3 there is a storage cylinder for adhesive or sealing compound, with which the spacer frames for insulating glass are coated, and the hydraulic and / or pneumatic presses for conveying the sealing compound to nozzles 10 provided on the upper side of the housing 3. There is also a heater in the housing with which the sealant can be heated to the necessary processing temperature.

Die Düsen 10 sind zu beiden Seiten einer von einem end­losen Transportband 11 gebildeten Förderbahn für die Ab­standhalterrahmen angeordnet. Der Antriebsmotor für das Transportband 11 ist ebenfalls innerhalb des Gehäuses 3 untergebracht.The nozzles 10 are arranged on both sides of a conveyor track for the spacer frames formed by an endless conveyor belt 11. The drive motor for that Conveyor belt 11 is also housed within the housing 3.

Weiters trägt das Gehäuse 3 zwei oder mehr verschwenkbare Anpreßrollen 12, die den zwischen den Düsen 10 hindurch­geführten Abschnitt des Abstandhalterrahmens gegen das Transportband 11 drücken.Furthermore, the housing 3 carries two or more pivotable pressure rollers 12 which press the section of the spacer frame passed between the nozzles 10 against the conveyor belt 11.

Auf dem Gehäuse 3 ist weiters ein quer zur Förderbahn vor- und zurückschiebbarer Anschlag (in der Zeichnung nicht gezeigt) vorgesehen, der in seiner ersten vorge­schobenen Stellung die durch die Vorrichtung transpor­tierten Abstandhalterrahmen bei weiterlaufendem Trans­portband 11 jeweils dann aufhält, wenn sich eine Ecke eines Abstandhalterrahmens gerade zwischen den Düsen 10 befindet.On the housing 3 there is also a stop which can be pushed back and forth transversely to the conveyor track (not shown in the drawing) and which in its first advanced position stops the spacer frames transported by the device when the conveyor belt 11 continues when a corner of a spacer frame is located is just between the nozzles 10.

Im Bereich der Düsen 10 ist weiters ein zweiarmiger Grei­fer 13 einer Wendevorrichtung vorgesehen, der um eine Achse verschwenkbar ist, die durch die Austrittsöffnungen der Düsen 10 geht. Dieser Greifer 13 ist ebenso wie die Düsen 10 mit einer Höhenverstellung ausgerüstet, die auch zur Anpassung an verschiedene Abstandhalterprofilgrößen dient.In the area of the nozzles 10, a two-armed gripper 13 of a turning device is also provided, which can be pivoted about an axis which passes through the outlet openings of the nozzles 10. Like the nozzles 10, this gripper 13 is equipped with a height adjustment which also serves to adapt to different spacer profile sizes.

Der Greifer 13 besitzt Arme 14 und 15, die je wenigstens eine Klemme 16 tragen. Die Klemmen 16 haben in der in Fig. 1 gezeigten Grundstellung des Greifers 13 einen nach oben ragenden Arm 14. Dieser ist dabei zum Erfassen eines nach oben ragenden Rahmenabschnittes bestimmt, wogegen die Klemme 16 am Arm 15 den auf dem Transportband 11 auf­liegenden Rahmenabschnitt erfassen kann.The gripper 13 has arms 14 and 15, each carrying at least one clamp 16. In the basic position of the gripper 13 shown in FIG. 1, the clamps 16 have an upwardly projecting arm 14. This is intended for gripping an upwardly projecting frame section, whereas the clamp 16 on the arm 15 can grasp the frame section resting on the conveyor belt 11 .

Wie aus Fig. 1 ersichtlich, ist das Transportband 11 zu beiden Seiten der Düsen 10 nach unten umgelenkt, um Raum für die Klemmen 16 des in Richtung des Pfeiles 27 in Fig. 1 um 90° verschwenkbaren Greifers zu schaffen. Das Transportband 11 kann auch aus mehreren Abschnitten bestehen.As can be seen from FIG. 1, the conveyor belt 11 is deflected downward on both sides of the nozzles 10 in order to create space for the clamps 16 of the gripper which can be pivoted through 90 ° in the direction of arrow 27 in FIG. 1. The conveyor belt 11 can also consist of several sections consist.

Der Greifer 13 kann beispielsweise mit Hilfe eines pneu­matisch betätigten Druckmittelmotors verschwenkt werden, wobei die Verschwenkgeschwindigkeit verschieden groß gewählt werden kann. Dadurch ist es möglich, größere Abstandhalterrahmen langsamer zu verschwenken als klei­nere, so daß Beschädigungen größerer Abstandhalterrahmen vermieden werden.The gripper 13 can be pivoted, for example, with the aid of a pneumatically operated pressure medium motor, the pivoting speed being able to be selected to be of different sizes. This makes it possible to pivot larger spacer frames more slowly than smaller ones, so that damage to larger spacer frames is avoided.

Wie insbesondere aus Fig. 3 ersichtlich, bestehen die Klemmen aus jeweils zwei Klemmbacken 17, die Gummiauf­lagen 18 tragen. Die Klemmbacken 17 sind um im Abstand voneinander angeordnete Achsen 19 verschwenkbar. Zur Be­tätigung der Klemmbacken 17 besitzen diese zu ihnen senk­recht stehene Schenkel 20, die über Lenker 21 gelenkig mit der Kolbenstange 22 eines Druckmittelmotors 23 gekup­pelt sind. Zwischen den Schenkeln 20 ist ein Anschlag 24 vorgesehen, der die Offenstellung der Klemme 16 festlegt. Durch Beaufschlagen des Druckmittelmotors 23 werden die Klemmbacken 17 aufeinanderzu verschwenkt und gelangen in Anlage an einen zwischen ihnen liegenden Abschnitt eines Abstandhalterrahmens und halten diesen fest. Durch Ver­schwenken des Greifers 13 kann dann der Abstandhalter­rahmen um 90° verdreht werden.As can be seen in particular from FIG. 3, the clamps each consist of two clamping jaws 17 which carry rubber pads 18. The clamping jaws 17 can be pivoted about axes 19 arranged at a distance from one another. To actuate the clamping jaws 17, they have legs 20 which are perpendicular to them and which are articulated to the piston rod 22 of a pressure medium motor 23 via link 21. A stop 24 is provided between the legs 20, which defines the open position of the clamp 16. By acting on the pressure medium motor 23, the clamping jaws 17 are pivoted towards one another and come into contact with a section of a spacer frame lying between them and hold them in place. The spacer frame can then be rotated by 90 ° by pivoting the gripper 13.

Das Beschichten von Abstandhalterrahmen geht wie folgt vor sich:The coating of spacer frames works as follows:

Ein Abstandhalterrahmen wird händisch oder von einer ge­eigneten Zuführvorrichtung auf den in Fig. 1 links lie­genden Abschnitt des Transportbandes 11 aufgesetzt und gegen die Stützrollen 8 angelegt. Das Transportband 11 und die mit gleicher Umfangsgeschwindigkeit angetriebenen Stützwalzen 8 fördern den Abstandhalterrahmen nach rechts, bis dessen in Bewegungsrichtung gesehen vorderes Ende zwischen die Düsen 10 gelangt, wo es vom vor- und zurückschiebbaren Anschlag 28 zunächst festgehalten wird (Fig. 4). Ganz kurze Zeit, nachdem das Auspressen von Klebe- bzw. Dichtmasse aus den Düsen 10 beginnt, wird der Anschlag zurückgezogen und der von den Anpreßrollen 12 gegen das Transportband 11 gedrückte Abstandhalterrahmen weiterbewegt, wobei dessen auf dem Transportband 11 auf­liegender Abschnitt beschichtet wird. Sobald nun der in Bewegungsrichtung gesehen hintere lotrechte Schenkel des Abstandhalterrahmens zu den Düsen 10 gelangt, wird der Abstandhalterrahmen vom inzwischen wieder vorgeschobenen Anschlag 28 festgehalten (Fig. 5). Nun werden durch Betä­tigung der Druckmittelmotore 23 die Klemmbacken 17 der beiden Klemmen 16 des Greifers 13 geschlossen und erfas­sen sowohl den auf dem Transportband 11 aufliegenen Ab­schnitt als auch den oberhalb der Düsen 10 nach oben ragenden Abschnitt des Abstandhalterrahmens. Sobald dies geschehen ist, wird durch Betätigung des Druckkmittel­motors 6 der Rahmen 7 mit den Stützwalzen 8 nach hinten gekippt, bis die Abstandhalterrahmen an den Stützwalzen 8 nicht mehr anliegen, sondern nur mehr vom Greifer 13 ge­halten werden. Nunmehr wird der Greifer 13 und mit ihm die Abstandhalterrahmen um 90° in Richtung des Pfeils 27 in Fig. 1 verschwenkt, so daß der nächste zu beschich­tende Abschnitt des Abstandhalterrahmens auf dem Trans­portband 11 aufliegt und nach dem Lösen der Klemmen 16 sowie dem Vorkippen der Stützwalzen 8 beschichtet werden kann (Fig. 6 und 7). Während dieses Beschichtungsvor­ganges wird der Greifer 13 wieder in seine in Fig. 1 gezeigte Ausgangslage zurückgeschwenkt.A spacer frame is placed by hand or by a suitable feed device on the section of the conveyor belt 11 on the left in FIG. 1 and is placed against the support rollers 8. The conveyor belt 11 and the support rollers 8 driven at the same peripheral speed convey the spacer frame to the right until its front end, viewed in the direction of movement, reaches between the nozzles 10, where it is initially held by the stop 28 which can be pushed back and forth (Fig. 4). A very short time after the adhesive or sealant has started to be pressed out of the nozzles 10, the stop is withdrawn and the spacer frame pressed by the pressure rollers 12 against the conveyor belt 11 is moved, whereby its section resting on the conveyor belt 11 is coated. As soon as the vertical leg of the spacer frame, seen in the direction of movement, reaches the nozzles 10, the spacer frame is held by the stop 28, which has now been pushed forward again (FIG. 5). Now, by actuating the pressure medium motors 23, the clamping jaws 17 of the two clamps 16 of the gripper 13 are closed and capture both the section resting on the conveyor belt 11 and the section of the spacer frame projecting upward above the nozzles 10. As soon as this has been done, the frame 7 with the support rollers 8 is tilted backwards by actuating the pressure medium motor 6 until the spacer frames no longer lie against the support rollers 8 but are only held by the gripper 13. Now the gripper 13 and with it the spacer frame is pivoted by 90 ° in the direction of arrow 27 in Fig. 1, so that the next section of the spacer frame to be coated rests on the conveyor belt 11 and after loosening the clamps 16 and tipping the support rollers 8 can be coated (Fig. 6 and 7). During this coating process, the gripper 13 is pivoted back into its starting position shown in FIG. 1.

Die soeben beschriebenen Vorgänge werden wiederholt, bis alle Abschnitte eines rechteckigen oder quadratischen Abstandhalterrahmens beschichtet worden sind.The processes just described are repeated until all sections of a rectangular or square spacer frame have been coated.

Es versteht sich, daß alle beschriebenen Tätigkeiten und Bewegungen der erfindungsgemäßen Vorrichtung auch auto­matisch unter Verwendung von der Förderbahn zugeordneten Annäherungsschaltern gesteuert werden können. Dies gilt auch für die Einstellung der Schwenkgeschwindigkeit des Greifers 13, die wie erwähnt, in Abhängigkeit von der Größe des Abstandhalterrahmens gewählt wird.It goes without saying that all the described activities and movements of the device according to the invention can also be controlled automatically using proximity switches assigned to the conveyor track. This also applies to the adjustment of the swiveling speed of the Gripper 13, which, as mentioned, is selected depending on the size of the spacer frame.

Statt die Stützwalzen 8 während des Verdrehens der Ab­standhalterrahmen nach hinten abzukippen, besteht auch die Möglichkeit, die Stützwalzen 8 in entgegengesetzter Richtung anzutreiben, so daß beim Verdrehen der Abstand­halterrahmen zwischen den Stützwalzen 8 und der auf die Abstandhalterrahmen aufgetragenen Klebe- bzw. Dichtmasse keine die Beschichtung beschädigenden Scherkräfte auf­treten. Bei dieser Ausführung kann die Mechanik zum Ab­kippen des Stützwalzenfeldes entfallen.Instead of tipping the support rollers 8 backwards while the spacer frames are being rotated, there is also the possibility of driving the support rollers 8 in the opposite direction, so that when the spacer frames are rotated between the support rollers 8 and the adhesive or sealant applied to the spacer frames, there is no coating damaging shear forces occur. In this version, the mechanics for tipping the backup roller field can be omitted.

Zur seitlichen Abstützung kann auch eine starre Stütz­wand, in der im Abstand über dem Förderband 11 ein Transportband vorgesehen ist, verwendet werden. Dieses Transportband wird beim Beschichten und beim An- und Abtransport der Abstandhalterrahmen vor die Stützwand bewegt und gleich schnell wie das Förderband 11 ange­trieben.A rigid support wall, in which a conveyor belt is provided at a distance above the conveyor belt 11, can also be used for lateral support. This conveyor belt is moved in front of the supporting wall during coating and during the transport of the spacer frames and is driven at the same speed as the conveyor belt 11.

Bei der erfindungsgemäßen Vorrichtung ist nun entweder die Lagerung der Wendevorrichtung (Greifer 13) der Seite nach (parallel zur Förderrichtung) und der die Düsen 10 tragende Düsenblock im Maschinengestell höhenverstellbar angeordnet oder die Lagerung der Wendevorrichtung ist sowohl der Seite nach als auch der Höhe nach verstellbar. Zur Seiten- bzw. Höhenverstellung können Stellmotore und/oder Druckmittelzylinder verwendet werden. Durch diese Verstellbarkeit des Wendegreifers und/oder der Düsen kann die Lage der Schwenkachse des Greifers 13 zur Lage der Verbindungslinie der Düsenöffnungen verändert werden. Diese Relativverstellbarkeit erlaubt es, die Düsen 10 und/oder die Abstandhalterrahmen so zu bewegen, daß die Düsenöffnungen stets, d.h. auch im Bereich der gebogenen Ecken und auch während des Wendevorganges den zu beschichtenden Seitenflächen des Abstandhalterrahmens gegenüberliegen. Dies ist in den schematischen Fig. 4 bis 7 gezeigt. Somit kann der Abstandhalterrahmen auch im Eckbereich mit Klebe- bzw. Dichtmasse beschichtet werden.In the device according to the invention, either the storage of the turning device (gripper 13) is arranged laterally (parallel to the conveying direction) and the nozzle block carrying the nozzles 10 in the machine frame, or the storage of the turning device is adjustable both laterally and vertically . Servo motors and / or pressure medium cylinders can be used for side and height adjustment. This adjustability of the reversible gripper and / or the nozzles allows the position of the pivot axis of the gripper 13 to be changed relative to the position of the connecting line of the nozzle openings. This relative adjustability allows the nozzles 10 and / or the spacer frames to be moved in such a way that the nozzle openings are always opposite, that is to say also in the region of the bent corners and also during the turning process, to the side surfaces of the spacer frame to be coated. This is in the schematic FIGS. 4 to 7 shown. This means that the spacer frame can also be coated with adhesive or sealing compound in the corner area.

Für die Beschichtung im Bereich der gebogenen Rahmenecken genügt es, die die Zufuhr von Klebe- bzw. Dichtmasse zu den Düsen 10 steuernden Ventile kurzfristig zu öffnen, so daß im Eckbereich eine geringe Menge an Klebe- bzw. Dichtmasse aufgetragen wird.For the coating in the area of the curved frame corners, it is sufficient to briefly open the valves controlling the supply of adhesive or sealing compound to the nozzles 10, so that a small amount of adhesive or sealing compound is applied in the corner area.

Da die Klebe- bzw. Dichtmasse im Eckbereich u.U. über die Außenfläche des Abstandhalterrahmens übersteht, können sich nach dem Verpressen der Isolierglasscheibe und dem Versiegeln der Randfugen mit Versiegelungsmasse (z.B. Thiokol) unerwünschte Lufteinschlüsse ergeben. Es können daher eine (oder mehrere) den Eckbereichen (oder wenig­stens einem Eckbereich) der Abstandhalterrahmen zugeord­nete Rollen vorgesehen sein, welche die Klebe- und Dicht­masse im Eckbereich radial nach innen drücken. Diese Rollen sind z.B. gewichtsbelastet und folgen der Kontur des Abstandhalterrahmens im Eckbereich selbsttätig. Falls Abstandhalterrahmen mit anders als ebenen Außenseiten verwendet werden (z.B. sogenannte Sparprofile), dann sind entweder je zwei gleichachsige Rollen vorgesehen, die den beidseits des Abstandhalterrahmens aufgebrachten Be­schichtungen zugeordnet sind, oder die Rolle ist entspre­chend der Außenseite der den Abstandhalterrahmen bilden­den Profilleiste profiliert. Um die Form (Krümmung) der gebogenen Ecken zu erfassen, ist ein Sensor, vorzugsweise ein Lichtleitfasersensor vorgesehen, der mit der Steue­rung der Antriebe für die Seiten- bzw. Höhenverstellung der Wendeeinrichtung und/oder der Düsen wirkverbunden ist, so daß diese(r) so gesteuert wird, daß die Düsen den Seitenflächen des Abstandhalterrahmens im Eckbereich auch während des Wendevorganges folgen.Since the adhesive or sealant in the corner area may Protruding beyond the outer surface of the spacer frame, undesirable air pockets can result after pressing the insulating glass pane and sealing the edge joints with sealing compound (e.g. Thiokol). It is therefore possible to provide one (or more) rollers which are assigned to the corner regions (or at least one corner region) of the spacer frames and which press the adhesive and sealing compound radially inwards in the corner region. These roles are e.g. weighted and automatically follow the contour of the spacer frame in the corner area. If spacer frames with other than flat outer sides are used (e.g. so-called economy profiles), then either two coaxial rollers are provided, which are assigned to the coatings applied on both sides of the spacer frame, or the roller is profiled according to the outer side of the profile strip forming the spacer frame. In order to detect the shape (curvature) of the curved corners, a sensor, preferably an optical fiber sensor, is provided, which is operatively connected to the control of the drives for the lateral or height adjustment of the turning device and / or the nozzles, so that this (r) is controlled so that the nozzles follow the side surfaces of the spacer frame in the corner area even during the turning process.

Der weiter oben erwähnte Anschlag 28 zum Anhalten der Ab­standhalterrahmen ist in eine zweite Stellung vorschieb­bar, in der er den Abstandhalterrahmen anhält, wenn sich das Ende des geraden Abschnittes (das vordere bzw. das hintere Ende) eines Schenkels des Abstandhalterrahmens zwischen den Düsen 10 befindet.The abovementioned stop 28 for stopping the spacer frame can be advanced into a second position in which it stops the spacer frame when it is the end of the straight section (the front or the rear end) of one leg of the spacer frame is located between the nozzles 10.

Claims (9)

1. Vorrichtung zum Beschichten von Abstandhalterrahmen für Isolierglas, die einstückig gebogene Ecken besit­zen, mit Klebe- bzw. Dichtmasse mit zwei zu beiden Seiten einer Förderbahn für die Abstandhalterrahmen angeordneten Düsen zum Auftragen der Klebe- bzw. Dichtmasse auf die Seitenflächen der Abstandhalter­rahmen, mit einer oberhalb der Förderbahn (11) vorge­sehenen, z.B. durch mehrere Stützwalzen (8) gebilde­ten seitlichen Abstützung für die Abstandhalterrah­men, an der die von der Förderbahn (11) nach oben ra­genden Rahmenabschnitte wenigstens beim Beschich­tungsvorgang anliegen und mit einer Wendeeinrichtung (13, 14) zum Verdrehen der Abstandhalterrahmen um eine quer zur Ebene der Abstandhalterrahmen verlau­fende Achse, dadurch gekennzeichnet, daß die Relativ­lage zwischen der Verbindungslinie zwischen den Öff­nungen der Düsen (10) und der Achse, um welche die Wendeeinrichtung (13, 14) schwenkbar ist, veränderbar ist.1.Device for coating spacer frames for insulating glass, which have integrally curved corners, with adhesive or sealing compound with two nozzles arranged on both sides of a conveyor path for the spacer frames for applying the adhesive or sealing compound to the side surfaces of the spacer frames, with a provided above the conveyor track (11), for example lateral support for the spacer frames formed by a plurality of support rollers (8), against which the frame sections projecting upwards from the conveyor track (11) abut at least during the coating process and with a turning device (13, 14) for rotating the spacer frames by one transverse to the plane of the spacer frames extending axis, characterized in that the relative position between the connecting line between the openings of the nozzles (10) and the axis about which the turning device (13, 14) can be pivoted can be changed. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der die Düsen (10) tragende Bauteil im Gestell der Vorrichtung vertikal (auf- und ab)beweglich ange­ordnet ist.2. Device according to claim 1, characterized in that the component carrying the nozzles (10) is arranged to be movable vertically (up and down) in the frame of the device. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekenn­zeichnet, daß die Schwenklagerung der Wendeeinrich­tung (13, 14) im Gestell der Vorrichtung in Förder­richtung horizontal und gegebenenfalls zusätzlich vertikal (auf- und ab)beweglich angeordnet ist.3. Apparatus according to claim 1 or 2, characterized in that the pivot bearing of the turning device (13, 14) in the frame of the device in the conveying direction is arranged horizontally and optionally additionally vertically (up and down) movable. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß Sensoren, insbesondere Lichtleit­fasersensoren, vorgesehen sind, welche die Form der gebogenen Ecken des Abstandhalterrahmens erfassen, und daß die Sensoren der Steuerung der Antriebe zum vertikalen Verstellen der Düsen (10) und/oder der Wendeeinrichtung (13, 14) derart zugeordnet sind, daß die Düsen (10) auch während des Wendens der Abstand­halterrahmen den Seitenflächen derselben gegenüber­liegend ausgerichtet sind.4. Device according to one of claims 1 to 3, characterized in that sensors, in particular optical fiber sensors, are provided which detect the shape of the bent corners of the spacer frame, and that the sensors for controlling the drives for vertical adjustment of the nozzles (10) and / or the turning device (13, 14) are assigned in such a way that the nozzles (10) are aligned opposite the side surfaces of the same even during the turning of the spacer frames. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die den Düsen (10) zugeordneten Ventile, welche die Zufuhr von Klebe- bzw. Dichtmasse zu den Düsen (10) regeln, während des Wendevorganges geöffnet sind.5. Device according to one of claims 1 to 4, characterized in that the nozzles (10) associated valves, which regulate the supply of adhesive or sealing compound to the nozzles (10), are open during the turning process. 6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß wenigstens eine Rolle vorgesehen ist, die im Bereich der Rahmenecke(n) allenfalls über die Profilaußenfläche vorstehende Klebe- bzw. Dicht­masse radial nach innen drückt.6. Device according to one of claims 1 to 5, characterized in that at least one roller is provided, which in the region of the frame corner (s) at most presses radially inwardly over the profile outer surface of the adhesive or sealing compound. 7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Rolle eine der Form der Außenfläche des Ab­standhalterrahmens entsprechende Profilierung auf­weist.7. The device according to claim 6, characterized in that the roller has a profile corresponding to the shape of the outer surface of the spacer frame. 8. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß zwei gleichachsig angeordnete Rollen vorgesehen sind, von welchen je eine der auf einer Seite des Abstandhalterrahmens aufgebrachten Klebe- bzw. Dicht­masse zugeordnet ist.8. The device according to claim 6, characterized in that two coaxially arranged rollers are provided, one of which is assigned to the adhesive or sealant applied to one side of the spacer frame. 9. Vorrichtung nach einem der Ansprüche 1 bis 8, mit einem der Förderbahn zugeordneten, vorzugsweise schräg zu ihr vor- und zurückschiebbaren Anschlag (28), der den Abstandhalterrahmen vorübergehend hält, wenn das vordere bzw. hintere Ende eines Rahmenschen­kels zwischen den Düsen (10) angeordnet ist, dadurch gekennzeichnet, daß der Anschlag (28) auch in eine Stellung vorschiebbar ist, in der er einen Abstand­halterrahmen vorübergehend anhält, wenn das, bezogen auf die Förderrichtung, vordere bzw. hintere Ende des geraden Abschnittes eines Schenkels des Abstandhal­terrahmens zwischen den Düsen (10) angeordnet ist.9. Device according to one of claims 1 to 8, with an associated with the conveyor track, preferably obliquely slidable back and forth stop (28), which temporarily holds the spacer frame when the front or rear end of a frame leg between the nozzles (10 ) is arranged, characterized in that the stop (28) can also be advanced into a position in which it temporarily stops a spacer frame, if that, related is arranged on the conveying direction, front or rear end of the straight section of a leg of the spacer frame between the nozzles (10).
EP89890020A 1988-03-14 1989-01-25 Device for sheathing distance-keeper frames Expired - Lifetime EP0333693B1 (en)

Applications Claiming Priority (2)

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AT691/88 1988-03-14
AT0069188A AT398308B (en) 1988-03-14 1988-03-14 DEVICE FOR COATING SPACER FRAME

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EP0333693A2 true EP0333693A2 (en) 1989-09-20
EP0333693A3 EP0333693A3 (en) 1990-05-02
EP0333693B1 EP0333693B1 (en) 1991-11-13

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EP (1) EP0333693B1 (en)
AT (2) AT398308B (en)
DE (3) DE58900442D1 (en)
ES (1) ES2027070T3 (en)

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Also Published As

Publication number Publication date
DE58900442D1 (en) 1991-12-19
DE3906293A1 (en) 1989-09-28
ATE69482T1 (en) 1991-11-15
DE8901227U1 (en) 1989-03-30
ATA69188A (en) 1994-03-15
EP0333693B1 (en) 1991-11-13
EP0333693A3 (en) 1990-05-02
AT398308B (en) 1994-11-25
DE3906293C2 (en) 1993-01-14
US4949666A (en) 1990-08-21
ES2027070T3 (en) 1992-05-16

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