EP0318749B1 - Méthode et dispositif pour construire des cadres d'écartement - Google Patents

Méthode et dispositif pour construire des cadres d'écartement Download PDF

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Publication number
EP0318749B1
EP0318749B1 EP88118910A EP88118910A EP0318749B1 EP 0318749 B1 EP0318749 B1 EP 0318749B1 EP 88118910 A EP88118910 A EP 88118910A EP 88118910 A EP88118910 A EP 88118910A EP 0318749 B1 EP0318749 B1 EP 0318749B1
Authority
EP
European Patent Office
Prior art keywords
frame
bending
filling
abutment
section
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.)
Expired - Lifetime
Application number
EP88118910A
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German (de)
English (en)
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EP0318749A1 (fr
Inventor
Franz Bayer
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.)
Bayer Isolierglas und Maschinentechnik GmbH
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Bayer Isolierglas und Maschinentechnik GmbH
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Filing date
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Application filed by Bayer Isolierglas und Maschinentechnik GmbH filed Critical Bayer Isolierglas und Maschinentechnik GmbH
Priority to AT88118910T priority Critical patent/ATE60109T1/de
Publication of EP0318749A1 publication Critical patent/EP0318749A1/fr
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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
    • E06B3/67317—Filling of hollow spacer elements with absorbants; Closing off the spacers thereafter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
    • 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
    • E06B3/67308—Making spacer frames, e.g. by bending or assembling straight sections
    • E06B3/67313—Making spacer frames, e.g. by bending or assembling straight sections by bending
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/4987—Elastic joining of parts
    • Y10T29/49872—Confining elastic part in socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49885—Assembling or joining with coating before or during assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49945—Assembling or joining by driven force fit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5191—Assembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5199—Work on tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/55—Member ends joined by inserted section

Definitions

  • the invention relates to a method for producing a spacer frame for insulating glass panes containing a desiccant, an initially desiccant-free hollow profile for forming the frame corners being bent several times and left open in the area of a last corner, after which one or both of the open spots are opened leading frame legs filled with desiccant and then the frame is finally closed.
  • the method mentioned at the outset is characterized in that the desiccant to be filled into the frame leg (s) is dosed so that the frame leg (s) are only partially filled, so that one frame leg is extended at the still open position and the other is shortened accordingly that, after filling, the desiccant-free extension of one frame leg is bent and its end face is tightly connected to that of the shortened frame leg.
  • three corners can continue to be bent for a square frame, with no desiccant in the interior of the hollow profile influencing the bending process.
  • these bends can be made regardless of a desiccant filling.
  • the last bend can also take place without taking desiccant into account, because the frame leg that has the extension to be bent is only partially filled in a metered manner, so that the bending area remains desiccant-free.
  • the filling is dosed so that this last bending area is desiccant-free.
  • the frame which is still open at its connection point, is suspended with this open point upward and, if necessary, is supported with a side surface against an inclined surface and the frame legs are filled from above. It has been shown that it is sufficient if only two frame legs are filled, so that it may suffice to fill only the two frame legs that are still open. If, however, their bend transition to the two further frame legs still has a passage cross section, these frame legs can also be filled.
  • the frame legs running to the open position can be arranged obliquely and the metered amount of desiccant can be blown in, the filling being supported by gravity.
  • the desiccant can therefore be filled in very easily and quickly.
  • the extended frame leg is filled to below its bending point and / or the shortened frame leg to below the engagement depth of a connector, so that both the bend and the connection of the frame parts facing each other after this last bend are not hindered by the desiccant.
  • the invention also relates to a device for producing a spacer frame for insulating glass panes containing a desiccant from a curved hollow profile, with a metering and filling device for desiccants and with a bending device, in particular for carrying out the above-described method.
  • the aforementioned device is characterized according to the invention in that the bending device for bending the overhang of a frame leg for its connection to a correspondingly shortened neighboring leg is provided and the filling device is directly adjacent, that the bending device is adjacent to a clamping device for detecting the frame leg having the overhang to be bent
  • the bending point to be formed has a further tensioning device for grasping the shortened frame leg of a hollow profile that has already been bent several times, that the filling device has at least one outlet which opens out at least one of the frame legs gripped by the tensioning devices, and that the filling device is in front the actuation of the bending device is controlled and actuated.
  • a filling device is now provided directly next to the bending device, whereby this bending device may only have to be used to produce the last bend.
  • the control of the filling device is chosen so that the two legs that are still open or at least one of them is filled with drying agent before the bending takes place.
  • the filling device or the like two filling openings. has, whose mouths correspond to the distance and the orientation of the end faces of the frame legs to be connected before the last bend of the last frame leg is produced and before it is connected to the other frame leg.
  • the partially curved frame can thus be brought or hung in the area of the two filling openings, after which both frame legs can be filled in a metered manner up to a certain desired predetermined height, after which the last bend and the closing of the frame take place.
  • the filling device can have a filling head with filling channels of different lengths, the tensioning devices holding the frame legs of the frame of the still open frame that has already been bent at preferably three corners sloping downwards from their open end faces to a vertical plane, and the filling channels in the position of use from top to bottom are oriented below, preferably essentially parallel to the vertical plane and their mouths correspond to the inclination of the frame legs to be filled by them.
  • the partially completed frame can thus be suspended from the clamping devices mentioned, so that the two still open frame legs can be filled easily, quickly and precisely under the influence of gravity.
  • the clamping devices for the frame legs to be filled can be arranged rotated by 90 ° to one another and to an vertical plane by an acute angle, preferably approximately 45 °. This is particularly useful for right-angled frames, because then both frame legs to be filled run downwards from their open side at approximately the same angle and can therefore be filled at about the same speed.
  • the filling channels can have different lengths in order to take into account the special geometry of the partially curved frame with a frame leg that has a projection. It is expedient if the filling channel for the frame leg to be bent after filling - taking into account its obliquely upward protrusion before bending compared to the frame leg to be connected to it - is shorter than the filling channel for the other frame leg to be filled.
  • a single filler head can have the two filler channels, and by delivering this filler head to the partially curved frame, both mouths of the filler channels can be brought into line with the still open end faces of the frame legs.
  • the filling head with the filling channels can be pivoted away from the area of the holders for the frame and from the area of the bending device. This facilitates the delivery of the frame into its partially suspended filling position and later bending, because for these operations the filling head can be swiveled away, while it can then swivel back and touch the correctly positioned frame quickly and in the right place to carry out the filling.
  • Dosing devices for metered filling of the frame legs can be provided between a storage container for desiccant and the filling channels and the filling height of the frame legs is expediently less than their length and ends before the connection point or before the bend to be produced after filling, so that this bend also on one Desiccant-free area of the profile can be carried out and the connection of the frame legs with the aid of a connector engaging in their end faces is not hindered by desiccant.
  • the metering devices can each be adjustable to the length and cross section of the frame legs to be filled.
  • Claims 18 et seq. Relate to special configurations of the bending device, which is above all aimed at one as far as possible thin-walled and inexpensive profile or such made of steel or the like. to be able to bend without having to consider a desiccant filling.
  • Claim 22 contains, for example, a measure which ensures that the webs or walls of the profile which run transversely to the later pane surface are guided well during the bending process even in the absence of a desiccant and are prevented from uncontrolled warping or deformation.
  • the following claims 23 et seq. Serve this purpose and the most possible controlled shaping of the bend while at the same time maintaining the external distance of the side webs coming into contact with the glass panes.
  • a device designated as a whole by 1 is used to manufacture or complete the manufacture of a spacer frame 2 for insulating glass panes which is at least partially filled with desiccant and which is already bent at three corners 2a in FIGS. 1 and 2, in the region of a fourth corner but is still open and consists of a curved hollow profile 3, so that the frame legs 4 and 5, which are still open in the area of a fourth corner and accessible from the front, can be filled with desiccant 7 by means of a metering and filling device designated as 6. 2, a bending device 8 to be explained in more detail with reference to FIGS. 5 to 9, with which a protrusion 4a of the frame leg 4 according to FIG. the arrow Pf 1 in Fig.
  • the bending device 8 is primarily intended for this bending of the overhang 4a of the frame leg 4 for its connection to a correspondingly shortened neighboring leg 5 and the filling device 6 is directly adjacent, so that these process steps of Filling and the subsequent bending and connecting can be done quickly and without implementing the frame 2.
  • the bending device 8 has a tensioning device 9 for gripping the frame leg 4 having the overhang 4a to be bent, adjacent to the bending point to be formed.
  • Another clamping device 10 is used to grasp the shortened frame leg 5 of the hollow profile 3, which has already been bent several times, or of the partially finished frame 2.
  • the filling device 6 has at least one, in the exemplary embodiment two outlets 11, which are on the forehead sides of the frame legs 4 and 5 gripped by the clamping devices 9 and 10.
  • the filling device 6 and the valves 12 belonging to it are actuated and actuated before the actuation of the bending device 8, that is to say the frame legs 4 and 5 are filled with desiccant 7 and then the overhang 4a is bent and its connection to the shortened frame leg 5, as is shown in more detail in FIGS. 5 to 9, especially with regard to bending.
  • the filling device 6 has a filling head 13 with two filling openings or channels 14, the orifices 14a of which, according to FIGS. 2 and 4, are at a distance and the orientation of the end faces of the frame legs 4 and 5 to be connected before the last bend of the frame leg 4 and its is made Connection with the other frame leg 5 corresponds and through which the desiccant can be blown.
  • Fig. 2 and 4 where the filling head 13 is arranged in the use position and its mouths are directed into the inner longitudinal cavities of the frame legs 4 and 5, so that the desiccant 7 can be filled directly.
  • the filling head 13 has filling channels 14 of different lengths in order to take into account the geometry and arrangement of the projection 4a on the one hand and the corresponding shortening of the frame leg 5 on the other hand.
  • the clamping devices 9 and 10 hold the frame legs 4 and 5 of the frame 2, which they have already bent at three corners 2a and are still open, from their open end faces sloping obliquely to a vertical plane, this vertical plane also being vertical to the plane of the drawing.
  • the filling channels are also oriented in the use position from top to bottom and parallel to the vertical plane, while the mouths 14a according to FIG. 4 each correspond to the inclined position of the frame legs 4 and 5.
  • the clamping device 9 and 10, the bending device 8 and the filling device 6 can additionally be arranged on an inclined worktop 15, as indicated in FIG. 1, the worktop 5 being obliquely from below in relation to the horizontal position shown in FIG. 1 can rise upwards to support the frame 2 during its finishing on a side surface.
  • the exemplary embodiment is concerned with the production of rectangular frames 2. Accordingly, the clamping devices 9 and 10 for the frame legs 4 and 5 to be filled are rotated by 90 ° to one another and to an vertical plane by an acute angle, in the exemplary embodiment by 45 ° arranged. This results in an evenly quick filling of the two frame legs. But since this 1 and 2 can be of different lengths, a metering with an associated metering vessel 13a is provided for each filling channel 14.
  • the filling channel 14 for the frame leg 4 to be bent over after filling - taking into account its protruding upward protrusion 4a before bending compared to the frame leg 5 to be connected to it - is shorter than the other filling channel 14 and for the other frame leg 5 to be filled, since the end face of the frame leg 5 is deeper than that due to the overall geometry of the arrangement of the individual devices and in view of the fact that the desiccant 7 should not be able to fall out after being filled in during bending and closing Front side of the protrusion 4a.
  • the filling head 13 with the filling channels 14 is gem. 2 corresponding to the double arrow Pf 2 from the area of the brackets or tensioning devices 9 and 10 and from the area of the bending device 8 can be pivoted away.
  • the pivoted away position is also shown in Fig. 2.
  • the metering devices 13a with the valves 12 for metered filling of the frame legs 4 and 5 are provided and in Fig. 2 it is also shown that the filling height of the frame legs 4 and 5 is less than their length and in the frame leg 5 before Junction and ends at the frame leg 4 before the bend to be made.
  • the desiccant filling does not interfere with the production of the last bend or the connection of the two frame legs when the frame 2 is closed.
  • the double arrow Pf 3 on the tensioning device 10 in FIG. 2 indicates that the tensioning device 10 for holding the shortened frame leg 5 is adjustable in its direction of extension in order to keep the two facing end faces at a distance or for the insertion of the profile connector 18 bring and then move again after inserting the profile connector 18 and bring to a stop.
  • the tensioning device 10 has a dual function in that it detects and fixes the frame leg 5 on the one hand and thus helps to hang the frame 2 for filling and bending, and on the other hand brings about the joining of the two profile ends.
  • a transfer device 20 for feeding and separating the connectors 18 is on the magazine 17 for the profile connectors 18 provided to the junction.
  • An actuated by a working cylinder 21 arm 22 each detects a single profile connector 18, after which he gem. the arrow Pf 4 is pivoted into the area of the connection point and the pressing device 19.
  • the profile connectors 18 can thus be conveyed mechanically from the magazine 17, which is located somewhat lower, to the connection point.
  • the connector magazine 17 is drum-shaped and has a band 23 with individual connectors 18 adhering to it, and according to FIG. the progress of this connector band 23 when removing the individual connector 18 acc. the arrow Pf 5 in Fig. 3 is rotatable.
  • the connector magazine 17 according to Fig. 2 several coils or coils arranged side by side with tapes 23 with connectors 18, for example for connectors 18 of different dimensions.
  • This magazine 17 can be adjustable in the longitudinal direction of its axis of rotation in order to bring a further roll and a further band 23 in accordance with the orientation of the pressing device 19.
  • Fig. 4 it is shown that at the mouths 14 a of the filling channels 14 of the filling head 13 lever 24 or the like.
  • Switching elements for precisely triggering the clamping jaws 10a of the clamping device 10 for fixing the frame leg 5 are provided, which can be actuated by striking the filling openings or mouths 14a on the profile end faces. If the levers 24 are pivoted from the position shown in solid lines by striking the end faces of the frame legs 4 and 4a into the dash-dotted position, the tensioning and fixing as well as possibly also the filling and the sequence of the further program for the finishing of the frame 2 can thereby take place to be triggered.
  • the bending device 8 which has already been mentioned several times, is very important for this finishing of the frame 2.
  • a bending leg 26 Provided on the outside of the profile 3 opposite the abutment 25 is a bending leg 26 and also a tool in the form of a pressure roller 27 which engages on the outside of the profile and the outside of the bend and can be moved back and forth under contact pressure.
  • the abutment 25 has a gem.
  • Fig. 2 extending into the area of the pressing device 19 continuation 28, which could possibly even be used as a thrust bearing for the pressing device if it were long enough for it.
  • this continuation 28 also serves as a counterbearing for the bending leg 26 of the bending device 8, as can be seen particularly clearly in FIG. 5, where these parts are shown in the starting position, an intermediate position and the end position after the bending.
  • this bending device 8 with its clamping device 9 and the holding device 10 on a slide, slide 29 or the like. and at the same time are arranged on a turntable 30, the slide or slide 29 being movable on the work table 15 and the guides 29a running there according to the arrow Pf 6 and in the one lower end position taking over the frame 2 bent at three corners 2a, according to the Arrow Pf 6 moves into the area of the filling device 6 and according to. the arrow Pf 7 rotated or pivoted so that the connection point and the frame legs 4 and 5 to be connected are both directed obliquely upwards, as shown in Fig. 1 in the upper position.
  • the bending device 8 already described in part and still to be explained in terms of its mode of action, therefore follows this adjustment movement and could even be in the lower position in FIG. 1 before the adjustment movements.
  • the arrows Pf 6 u. Pf 7 can be used to bend the other three corners 2a.
  • a further bending device not shown in more detail, could also be provided for this, so that the next frame can be pre-bent while the frame 2 is being filled and closed.
  • a spacer frame can thus be produced in which an initially desiccant-free hollow profile 3 is bent several times to form the frame corners 2a and is left open in the area of a last corner, after which one or both of them open at the open position Place leading frame legs 4 and 5 filled with desiccant 7 and then the frame 2 is finally closed.
  • the desiccant 7 to be filled into the frame legs 4 and 5 can be metered in such a way that the frame legs 4 and 5 are only partially filled.
  • the desiccant-free supernatant 4a of one frame leg 4 can be bent, after which the end faces of the hollow profile which are now facing one another are tightly connected to one another and the frame is thus closed.
  • the frame 2 which is still open at its connection point, is suspended practically upwards with this open point and, if necessary, is supported with a side surface against an inclined surface, the worktop 15, and thus the frame legs 4 and 5 are filled from above .
  • the frame legs 4 and 5 are arranged obliquely due to the entire geometry and the metered amount of desiccant can be blown into them supported by gravity.
  • the extended frame leg 4 is filled to below its bending point and the shortened frame leg 5 to below the engagement depth of a connector 18, so that the manufacture of the last Bending takes place on a desiccant-free area of the hollow profile 3 and the last closing and connecting of the frame 2 is not hindered by desiccants. Nevertheless, after completion of the frame 2, even if only two frame legs are filled, the amount of desiccant is by far sufficient.
  • the bending device 8 shown in the exemplary embodiment and already partially described above is designed in such a way that the clear distance between the tool 27 acting on the outside of the resulting bend of the profile 3 and the abutment 25 on the inside, in contrast, according to at least during the bending process. 7 and 9 is at least temporarily less than the height of the profile side walls 32 and in this case is even approximately equal to the total thickness of the two webs or walls 31 of the hollow profile 3 which are acted upon by them and arranged parallel to them and to one another. It is precisely in this critical phase of bending that these webs or walls 31 cannot have any uncontrolled kinks, warps or the like. Carry out deformations because they are clamped and supported between tool 27 and abutment 25 and against each other.
  • the dimension of the abutment 25 oriented transversely to the longitudinal profile of the abutment and that of the tool 27 is less than the width of the profile and also less than the inside clearance of the side walls 32 of the profile 3.
  • the dimension of the abutment 25 and the tool 27 oriented transversely to the longitudinal profile of the profile is even less by two wall thicknesses or more of the profile webs than the internal clearance of the side walls 32 of the profile 3, so that the cross-sectional deformation visible in FIG the bending area is possible, namely where the two walls 31 oriented at right angles to the side walls 32 are deformed between them by abutment 25 and tool 27 being inserted somewhat between the side walls 32 until the walls 31 abut one another.
  • the pressure roller 27 serving as a tool is bevelled all around on its side surfaces near its circumference, which acts as a working surface, and in that the greater width of the pressure roller 27 is approximately equal to or less than the clear internal spacing of the side walls 32 of the profile 3 and Narrower area of the pressure roller 27 corresponds in its width approximately to the width of a web area 31a located on the outside of the profile 3, from each of which inclined web areas 31b fall towards the side walls 32, as can be clearly seen in FIG. 8.
  • These webs and web regions 31a and 31b which initially project outward in cross section are gem.
  • Fig. 9 and 7 deformed inward in the area of the bend, for which sufficient material is available due to the initial shape, so that a rupture or tearing of a web is avoided.
  • the abutment 25 located on the inside of the bend is a shaped piece in the exemplary embodiment, the outer contour of which corresponds to the inner contour of the inner bend to be produced and which at least at times during the bending with respect to the two inner sides or webs 31 of the frame legs which are at an angle to one another after the bending in the direction of the Protrudes outside of the bend and the profile, so that the inside of the bend receives an indentation, as shown in Fig. 5 and especially in Fig. 7.
  • the two walls 31 can be brought into abutment against one another without the outer wall having to be deformed too deeply into the profile, because the inner wall accommodates it.
  • the abutment 25 or the fitting serving as an abutment can be used to adapt to different profiles, web thicknesses, web shapes or the like. be interchangeable. A wide variety of frames can thus be produced and finished on the device 1.
  • the abutment 25 can also be moved or displaced deeper into the bend during the bending process.
  • the abutment 25 is arranged in the feed direction of the profile 3 immediately adjacent to the clamping device 9. It can be pivoted together with its extension 28 serving as a stop during the bending process with the bending stop 26 acting on the outside of the frame leg, the profile 3 being clamped between the abutment extension 28 and this bending stop or bending leg 26.
  • the abutment 25 can preferably protrude gradually during the bending approximately into the region of the neutral fiber of the profile 3 to be bent or can be movable or displaceable. In the exemplary embodiment, this takes place in that the abutment 25 has a protrusion 33 which projects laterally and eccentrically from its extension 28, for the purpose of pressing into the inside of the bend which is being created (see FIGS. 6 and 7), the dimension of which increases in the direction of its pivoting, that by pivoting the continuation 28 and the abutment 25, the projection 33 increasingly enters the inside of the bend. At the same time, the material of the inner web 31 of. this projection 33 in its pivoting direction. taken along arrow Pf 1 and practically drawn around the bend. The eccentricity or increasing dimension in the pivoting direction is indicated by the lines L, starting from a common center point M in FIGS. 6 and 7.
  • FIG. 8 u.9 can also be seen that hold-down 34 or the contact surface 15 and a hold-down 34 or the like.
  • Guide for the side walls 32 of the profile 3 are provided in the bending area, the distance between which can be adjusted to the width of the respective profile 3 and the subsequent clear distance between two glass panes. Also this favors the processing of frames 2 of different dimensions and in particular of such frames 2 with hollow profiles of different dimensions in the device 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Drying Of Gases (AREA)

Claims (34)

1. Procédé de fabrication d'un cadre d'écartement (2) pour vitres d'isolation contenant un dessiccateur (7), prévoyant d'abord qu'un profilé creux (3) sans dessiccateur pour former les angles du cadre (2a) subit plusieurs pliages, qu'il est maintenu ouvert dans la zone d'un dernier angle, à la suite de quoi l'un ou les deux montants du cadre (4, 5) aboutissant à l'endroit ouvert (r) sont remplis, à l'endroit ouvert, de dessiccateur et que le cadre est ensuite définitivement fermé, caractérisé en ce que le dessiccateur devant remplir le/les montants est dosé de telle façon que le/les montants ne soient remplis que partiellement, que l'un des montants est prolongé à l'endroit encore ouvert et que l'autre est raccourci en conséquence, qu'après le remplissage, la surlongueur (4a) non remplie de dessiccateur est pliée et que son extrémité est assemblée de façon étanche à celle du montant raccourci.
2. Procédé selon la revendication 1, caractérisé en ce que le cadre encore ouvert (2a) à l'endroit d'assemblage est suspendu de manière à ce que ledit endroit ouvert soit placé vers le haut (et que le cas échéant l'une de ses faces latérales prenne appui sur une surface en diagonale) et que les montants soient remplis par le haut.
3. Procédé selon les revendications 1 ou 2, caractérisé en ce que les montants du cadre aboutissant à l'endroit ouvert sont montés en oblique et que la quantité de dessiccateur dosée est introduite par soufflage, tandis que le remplissage est entretenu par la force de gravité.
4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le montant du cadre prolongé (4) est rempli jusqu'au-dessous de sa partie pliée et/ou le montant du cadre raccourci (5) rempli jusqu'au-dessous de la longueur de pénétration d'un élément d'assemblage (18).
5. Dispositif (1) pour construire un cadre d'écartement (2) pour vitres d'isolation, contenant un dessiccateur et constitué d'un profilé creux plié (3), avec un dispositif de dosage et de remplissage (6) pour dessiccateur et un dispositif de pliage (8) permettant la mise en oeuvre du procédé selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif de pliage (8) est prévu pour le pliage de la surlongueur de l'un des montants (4) ainsi que son assemblage avec un montant voisin raccourci en conséquence (5) et avoisine directement le dispositif de remplissage (6), que le dispositif de pliage (8) comporte un dispositif de serrage (9) devant maintenir le montant du cadre (s) présentant la surlongueur à plier (4a) et voisin de l'endroit à plier, qu'un autre dispositif de serrage (10) est prévu pour maintenir le montant du cadre raccourci (5) d'un profilé creux (3) ayant déjà subi plusieurs pliages, que le dispositif de remplissage (6) présente au moins une sortie (11) débouchant à l'extrémité d'au moins l'un des montants du cadre (4, 5) maintenu par les dispositifs de serrage et que le dispositif de remplissage est commandé et manoeuvré avant la manoeuvre du dispositif de pliage (8).
6. Dispositif selon la revendication 5, caractérisé en ce que le dispositif de remplissage comporte deux ouvertures de remplissage ou canaux (14) ou équivalent dont les bouches (14a) correspondent à l'écartement et à l'orientation des extrémités des montants de cadre à assembler (4, 5) avant la réalisation du dernier pliage du dernier montant de cadre (4) et avant son assemblage avec l'autre montant de cadre.
7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que le dispositif de remplissage comporte une tête de remplissage (13) présentant des canaux de remplissage de diverses longueurs (14), que les dispositifs de serrage (9, 10) maintiennent selon une inclinaison les montants (4, 5) du cadre encore ouvert (2) et déjà plié en trois endroits de préférence depuis leurs extrémités ouvertes en oblique par rapport à un plan vertical, que les canaux de remplissage en position opérationnelle de bas en haut sont de préférence orientés d'une manière générale parallèlement au plan vertical et que leur bouches correspondent à la position en oblique de chacun des montants de cadre qu'elles ont à remplir.
8. Dispositif selon l'une des revendications 5 à 7, caractérisé en ce que les dispositif de serrage (9, 10) pour les montants de cadre à remplir (4, 5) forment l'un par rapport à l'autre un angle de 90° et un angle aigu, de préférence de 45°, par rapport au plan vertical.
9. Dispositif selon l'une des revendications 5 à 8 caractérisé ence que le canal de remplissage (14) pour le montant du cadre (4) devant être plié après le remplissage - et dont la surlongueur est orientée avant le pliage vers le haut en diagonale compte tenu du montant (5) en face duquel elle se trouve et auquel elle sera assemblée - est plus court que le canal de remplissage (14) de l'autre montant du cadre à remplir (5).
10. Dispositif selon l'une des revendications 5 à 9, caractérisé en ce que la tête de remplissage (13) peut pivoter, ainsi que les canaux de remplissage (14), pour sortir de la zone des éléments de supportage du cadre et de la zone du dispositif de pliage (8).
11. Dispositif selon l'une des revendications 5 à 10, caractérisé en ce qu entre un réservoir pour dessiccateur et les canaux de remplissage (14) sont prévus des moyens de dosage pour un remplissage dosé des montants du cadre (4, 5) et que la hauteur de remplissage des montants (4, 5) est moins élevée que leur propre hauteur et s'arrête avant le point d'assemblage ou avant le pliage à réaliser.
12. Dispositif selon l'une des revendications 5 à 11, caractérisé en ce que sont prévus, au voisinage de la tête de remplissage (13) et du dispositif de pliage (8), un magasin (17) pour l'alimentation en éléments d'assemblage de profilés (18) et un dispositif (19) de pressage des deux extrémités des profilés se trouvant en alignement et dont les extrémités se touchent après l'opération de pliage, à l'aide d'un élément d'assemblage (18) pénétrant à l'intérieur de ces extrémités.
13. Dispositif selon l'une des revendications 5 à 12, caractérisé en ce que le dispositif de serrage (10) maintenant le montant de cadre raccourci (5) est mobile selon la longueur du montant, afin de maintenir écartées les extrémités se faisant face pour enfoncer l'élément d'assemblage des profilés (18) et de les rapprocher l'une de l'autre une fois que l'élément d'assemblage des profilés a été enfoncé.
14. Dispositif selon l'une des revendications 5 à 13, caractérisé en ce qu'est prévu sur le magasin (17) d'éléments d'assemblage des profilés (18) un dispositif de transfert (20) destiné à séparer les éléments d'assemblage (18) et à les amener au point d'assemblage.
15. Dispositif selon l'une des revendications 5 à 14, caractérisé en ce que le magasin (17) d'éléments d'assemblage a une forme de tambour, qu'il présente une bande (23) à laquelle adhèrent les éléments d'assemblage isolés et qu'il est rotatif en fonction du déroulement de cette bande pour éléments d'assemblage (23) au moment de l'enlèvement de chacun des éléments d'assemblage.
16. Dispositif selon l'une des revendications 5 à 15, caractérisé en ce que le magasin d'éléments d'assemblage (17) comprend, installées côte à côte, plusieurs bobines avec des bandes (23) comportant des éléments d'assemblage, particulièrement pour des éléments d'assemblage (18) de dimensions différentes et que ce magasin (17) est mobile de manière longitudinale sur son axe de rotation.
17. Dispositif selon l'une des revendications 5 à 16, caractérisé en ce que sont prévus, aux bouches (14a) de la tête de remplissage (13), des leviers (24) ou autres éléments de commutation équivalents, pour le déclenchement des mâchoires de serrage à un moment précis pour fixer le montant (5) du cadre pour le remplissage avec du dessiccateur et qui sont manoeuvrables par butée des ouvertures de remplissage sur les extrémités des profilés.
18. Dispositif selon l'une des revendications 5 à 17, caractérisé en ce que le dispositif de pliage présente une butée (25) disposée sous le montant de cadre (4) comportant une surlongueur et destiné à être plié, autour de laquelle la zone de surlongueur (4a) du montant de cadre (4) peut être pliée pour rejoindre le montant (5) raccourci de cette surlongueur.
19. Dispositif selon l'une des revendications 5 à 18, caractérisé en ce que du côté extérieur du profilé (3) se trouvant face à la butée (25) un montant de pliage (26) et/ou un outil, mobile sous une force de serrage, prenant appui sur le côté extérieur du profilé et sur le côté extérieur du pliage, prend appui de préférence sur un rouleau de compression ou un cylindre (27) ou équivalent.
20. Dispositif selon l'une des revendications 5 à 19, caractérisé en ce que la butée (25) du dispositif de pliage (19) destiné à la compression et au fixage de l'élément d'assemblage du profilé comporte un prolongement (28) allant jusqu'à la zone du dispositif de compression et servant le cas échéant de butée de compression.
21. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le dispositif de pliage (8) pour le montant présentant une surlongueur et le dispositif de serrage (10) pour le montant raccourci de la surlongueur sont montés sur un coulisseau, un chariot (29) ou équivalent et particulièrement sur une plaque tournante (30), ledit chariot (29) pouvant être déplacé le long d'une table de travail (15) ou équivalent et dans l'une des positions extrêmes saisissant le cadre (2) plié en trois endroits (2a), l'amenant dans la zone du dispositif de remplissage (6) et à ce moment là le tournant de préférence de manière à ce que le point d'assemblage et les deux montants de cadre à assembler (4, 5) soient tous deux placés en oblique, formant un angle orienté vers le haut.
22. Dispositif selon l'une des revendications 5 à 21, caractérisé en ce que l'espace libre entre l'outil (27) prenant appui sur le côté extérieur du pliage formé par le cadre (3) et la butée (25) située en face à l'intérieur de l'angle est au moins pendant l'opération de pliage, au minimum pendant un certain temps, plus petit que la hauteur des parois latérales du profilé et que la dimension de la surface de travail de la butée (25) et/ou de l'outil (27) correspondant à la perpendiculaire de la longueur du profilé est intérieure à la largeur du profilé et inférieure à l'espace intérieur libre entre deux parois (32) du profilé (3).
23. Dispositif selon l'une des revendications 5 à 22, caractérisé en ce que l'espace libre entre l'outil (27) apposé sur la face extérieure du pliage s'opérant sur le profilé (3) et la butée (25) située dans l'angle correspondant est, au moins pendant l'opération de pliage et au moins un certain temps, environ égal à l'épaisseur totale des deux flancs ou parois (31) du profilé creux (3) parallèles à eux et placés face à face de sorte que les flancs (31) maintenus ensemble par la butée (25) et l'outil (27) prennent appui l'un sur l'autre au moins pendant l'opération de pliage par leur surface opposées.
24. Dispositif selon l'une des revendications 5 à 23, caractérisé en ce que la dimension de la butée (25) et/ou de l'outil (27) correspondant à la perpendiculaire de la longueur du profil est au moins inférieure de deux fois l'épaisseur des parois des flancs du profilé à l'espace intérieur libre entre les parois latérales (32) du profilé.
25. Dispositif selon l'une des revendications 5 à 24, caractérisé en ce que les côtés du rouleau de compression (27) sont biseautés sur tout leur pourtour à proximité de la largeur du rouleau servant de surface de travail, que la largeur la plus importante du rouleau de compression (27) est supérieure, environ égale ou inférieure à l'espace libre intérieur entre les parois latérales (32) du profilé (3) et que la zone la moins importante du rouleau de compression (27), dans sa largeur, correspond environ à la largeur de la zone occupée par un flanc extérieur (31a) du profilé (3) duquel partent de chaque côté en oblique des zones de flancs (31 b) vers les parois latérales (32).
26. Dispositif selon l'une des revendications 5 à 25, caractérisé en ce que la butée (25) se trouvant à l'intérieur du pliage est une forme, dont la géométrie extérieure correspond à la géométrie intérieure du pliage intérieur à réaliser et qui, au moins pendant un certain temps pendant l'opération de pliage, fait saillie vers le côté extérieur du pliage et du profilé, face aux deux côtés intérieurs des deux flancs (31) des montants de cadre, opposés et se touchant après l'opération de pliage, de façon à ce que le pliage prenne la forme d'une partie creusée sur son côté intérieur.
27. Dispositif selon l'une des revendications 5 à 26, caractérisé en ce que la butée (25) ou la forme servant de butée soit interchangeable en vue de l'adaptation à plusieurs profilés, épaisseurs de flancs, formes de flancs ou équivalents.
28. Dispositif selon l'une des revendications 5 à 27, caractérisé en ce que la butée (25) lors de l'opération de pliage, est particulièrement manoeuvrée et peut être déplacée plus profondément à l'intérieur du pliage ou décalé.
29. Dispositif selon l'une des revendications 5 à 28, caractérisé en ce que la butée (25) est montée dans le sens d'avancée, au voisinage direct du dispositif de serrage (9) destiné à maintenir la zone du profilé se présentant avant l'opération de pliage.
30. Dispositif selon l'une des revendications 5 à 29, caractérisé en ce que la butée (25) avec son prolongement (28) servant de butée peut lors de l'opération de pliage pivoter conjointement à la butée de pliage (26) pressant le côté extérieur du montant à plier, le profilé (3) étant de préférence maintenu entre le prolongement de la butée (28) et ladite butée de pliage (26).
31. Dispositif selon l'une des revendications 5 à 30, caractérisé en ce que lors de l'opération de pliage la butée (25) s'avance jusqu'à la zone de fibre neutre du profilé (3) ou qu'elle est mobile ou peut être déplacée.
32. Dispositif selon l'une des revendications 5 à 31, caractérisé en ce que la butée (25) comporte face à son prolongement (28) une saillie (33) s'avançant de préférence de manière latérale et particulièrement de manière excentrée et devant s'enfoncer dans le côté intérieur du pliage prenant forme, dont la dimension correspondant à son sens de pivotement augmente, dans le sens où, du fait du pivotement du prolongement (28) et de la butée (25), la saillie s'avançant (33) s'enfonce dans le côté intérieur du pliage.
33. Dispositif selon l'une des revendications 5 à 32, caractérisé en ce que le système de serrage (34) ou la surface d'appui (15) et un système de serrage (34) ou des systèmes de guidage équivalents pour les parois latérales (32) du profilé (3) sont prévus dans la zone de pliage, leur écartement étant réglable selon la largeur du profilé (3) et selon le futur espace libre entre deux vitres.
EP88118910A 1987-12-03 1988-11-12 Méthode et dispositif pour construire des cadres d'écartement Expired - Lifetime EP0318749B1 (fr)

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DE19873740922 DE3740922A1 (de) 1987-12-03 1987-12-03 Verfahren und vorrichtung zur herstellung eines abstandhalter-rahmens

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DE3740922A1 (de) 1989-06-22
DE3740922C2 (fr) 1991-03-14
ES2020322B3 (es) 1991-08-01
ATE60109T1 (de) 1991-02-15
EP0318749A1 (fr) 1989-06-07
US4912837A (en) 1990-04-03
DE3861585D1 (de) 1991-02-21

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