EP0009703B1 - Machine à cintrer pour la fabrication d'une entretoise pour des vitrages isolants - Google Patents

Machine à cintrer pour la fabrication d'une entretoise pour des vitrages isolants Download PDF

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Publication number
EP0009703B1
EP0009703B1 EP19790103474 EP79103474A EP0009703B1 EP 0009703 B1 EP0009703 B1 EP 0009703B1 EP 19790103474 EP19790103474 EP 19790103474 EP 79103474 A EP79103474 A EP 79103474A EP 0009703 B1 EP0009703 B1 EP 0009703B1
Authority
EP
European Patent Office
Prior art keywords
bending
clamping jaws
bending apparatus
hollow profile
pair
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
Application number
EP19790103474
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German (de)
English (en)
Other versions
EP0009703A1 (fr
Inventor
Hermann Dipl.-Ing. Wölflingseder
Werner Wölflingseder
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.)
Sps Glasbau Seraphin Puempel & Soehne Gesellschaft
Original Assignee
Sps Glasbau Seraphin Puempel & Sohne GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sps Glasbau Seraphin Puempel & Sohne GmbH filed Critical Sps Glasbau Seraphin Puempel & Sohne GmbH
Publication of EP0009703A1 publication Critical patent/EP0009703A1/fr
Application granted granted Critical
Publication of EP0009703B1 publication Critical patent/EP0009703B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/08—Bending by altering the thickness of part of the cross-section of the work
    • 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

Definitions

  • the invention relates to a bending device for making a spacer frame from a hollow profile bar filled with hygroscopic material for insulating glass panes, the hollow profile bar being cut on the side lying inside the finished frame, and the parts of the hollow profile bar adjacent to the cut to form a frame corner against one another are bent with a pair of clamping jaws located near the bending area for holding the hollow profile bar to be bent and a stop bar pivotably mounted about a bending bearing.
  • Frames of the type in question are usually manufactured in such a way that the corresponding lengths are cut off from a hollow profile rod and then the pieces thus obtained are joined to form a circumferentially closed frame, the individual sides of this frame being able to abut each other in the corners or connections with suitable angle profiles can be produced.
  • These manipulations are complex and complicated because these hollow profile bars are filled with hygroscopic material, which is brought to the market in the form of small spheres by the relevant industry. It has also become known in this connection to cut a profile strip to form a V-shaped frame, ie to make miter cuts, but these cuts do not completely cut through the profile strip and then to bend the individual sections against one another.
  • the frame can be made by manual bending, since this thin remaining web in the V-shaped incision there is practically no resistance to manual bending.
  • this type of production is hardly feasible in practice, because hygroscopic masses are stored in the hollow profile rod, in the form of small spheres, as already mentioned. If the hollow profile is processed and manipulated in the manner described, this hygroscopic material practically "runs out” during the manufacturing process and the frame obtained can no longer be used as a spacer frame for insulating glass panes for the intended purpose.
  • the invention now aims to provide a bending device with which hollow profile bars of the usual type filled with hygroscopic material can be bent.
  • a particular problem with the bending of hollow profile bars of this type is that the flanks of the hollow profile bar in the area of the bent corner have a tendency to warp, in particular to bulge.
  • a frame for insulating glass panes with corners, the side flanks of which are raised is unusable, because a flat frame surface must be available for the support of the pane, otherwise when the pane is used as intended in a window or door frame, in which the pane is compared to this frame is tensioned, the disc breaks.
  • a bending device for the automatic production of channel elements from sheet metal strips.
  • this has two clamping jaws and a bending beam that is extended with a support.
  • the jaws are arranged so that they move in the bending plane or parallel to it for opening or closing.
  • Such a device is not suitable for bending hollow profile bars for spacer frames in insulating glass panes, because the use of such a device cannot prevent the side flanks of the hollow profile bar from warping in the bending area.
  • the jaws of the pair of jaws are arranged at right angles to the bending plane and that the one jaw is pivotally connected to the stop bar.
  • the device which is shown in Fig. 1 in plan view, consists of a first pair of jaws 1 with the two jaws 3 and 11 and a second pair of jaws 2 with the jaws 4 and 12. These two pairs of jaws 1 and 2 are spaced from each other and the jaws 3 and 4 of each pair of jaws 1 and 2 lie in one plane, for example here in the table level 5. Between the two pairs of jaws 1 and 2 and laterally offset from an imaginary connecting line is a milling tool 6 with an axis of rotation approximately parallel to this connecting line 7 arranged.
  • This milling tool 6 which consists of three milling disks 30 arranged close to one another on the milling shaft, can be adjusted in two directions (arrows 28 and 29) in a plane perpendicular to the imaginary connecting line (see FIG. 2).
  • the jaws 4 of one pair of jaws 2 lying in the table plane 5 can be pivoted about the vertical axis 10 by approximately 90 °. With this jaw 4 a stop bar 8 is also firmly connected.
  • the clamping jaw 3 lying in the table plane 5 of the first pair of clamping jaws 1 has a vertical stop surface 13.
  • the clamping jaw 11, which can be adjusted in the direction of the arrow 31, is moved with a piston-cylinder unit.
  • In the jaw 3 is an elongated hole 17 directed against the stop surface 13, through which an axle 16 protrudes, which carries a roller 15 as an abutment and which is connected at its outer end to the lever 20 which is about the axis 19 against the force of a spring 18 is pivotally mounted.
  • This first pair of clamping jaws 1 is connected to a support 34 which can be displaced along the guide rail 35 in the direction of the arrow 23.
  • the piston-cylinder unit used for the displacement is not shown for reasons of clarity.
  • the second pair of jaws 2 is arranged fixedly opposite the table 5.
  • the clamping jaw 4 lying in the table plane can be pivoted about the vertical axis 10 in the direction of the arrow 36.
  • a bending abutment 9 is provided, which is firmly connected to the frame of the device in a manner not shown here.
  • This jaw 4 is carried by a rotatably mounted shaft 37 (FIG. 3), on which another piston-cylinder unit (not shown here) engages via a lever 38.
  • the pivot axis 10 of the jaw 4 is aligned with the edge of the abutting surfaces 14 and 22 of the bending abutment 9.
  • the second jaw 12 of this pair of jaws 2 is adjustable in the direction of arrow 39 by means of a piston-cylinder unit 40.
  • This jaw 12 has a recess 21, through which or into which the bending abutment 9 protrudes, so that this jaw 12 directly adjoins the surfaces 14 and 22 of this bending abutment 9 which are at right angles to one another
  • a guide rail 24 is mounted parallel to the stop bar 8 (FIG. 1) in the rest position, on which end stops 25 are adjustable.
  • the upper part of this guide rail is U-shaped in cross section (Fig. 4).
  • the arms 41 carrying the end stops 25 are displaceable and lockable via the abutment blocks 42 and the nuts 43.
  • the end stop 25 is pivotally mounted on the cantilever arm 41 so that it can be tilted up (arrow 44 in FIG. 4). At least two such adjustable end stops are generally provided on this guide rail 24.
  • This guide rail 24 is slidably mounted in its longitudinal direction.
  • the lower half of this guide rail also has a U-shaped cross section.
  • Booms 45 are arranged on the frame of the device, which carry pairs of rollers 46 which are received by the lower cavity of the guide rail 24.
  • This guide rail 24 is positively connected to the first pair of clamping jaws 1 via a rod 26.
  • the milling tool 6 adjustable mechanism can still be seen. It consists of the U-shaped and L-shaped frames 47 and 47 'which are firmly connected to one another and in which guide spindles 48 and 49 are arranged in pairs.
  • the support 27 of the milling tool 6 is guided on the spindles 48 and can be adjusted in height by means of the piston-cylinder unit 50.
  • the guide spindles 49 run through a bearing block 51 attached to the underside of the table 5.
  • the adjustment of the frame 47-47 'in the direction of the arrow 28 is effected by the piston-cylinder unit 52.
  • the limit switches controlling and limiting the movement sequences are not shown for reasons of clarity.
  • FIG. 5 Before going into the mode of operation of the device, reference is made to the cross-sectional drawing of the insulating glass pane according to FIG. 5: The edge of an insulating glass pane is shown in cross-section in FIG Light metal profile is made.
  • the side 56 which forms the inside of the frame 55, has a slot 57.
  • the side flanks 58 are stepped and thereby taper the profile width in the lower part of the profile bar.
  • a permanently elastic sealing and adhesive compound 59 is on the one hand on the flanks of the profile rod, on the other hand on the disks 53 and 54.
  • the outer cavity; that is delimited by the pane edges and by the outside of the profile frame is filled with a likewise permanently elastic sealing compound 60.
  • a hygroscopic mass is introduced into the cavity 61, via the slit 57 or via a possible perforation therein Wall section 56 interacts with the interior 62 of the disc.
  • This hygroscopic material is marketed by the relevant industry in the form of small beads. The diameter of these beads is approximately 1 to 2 mm. The profiles themselves are sold as bar material with a length of approx. 6 meters.
  • the profile rod is inserted from the left (FIG. 1) into the initially open jaw pairs until a first end stop, which can either be fixed to the rail 24 or else as lowerable stop can be arranged in the table level 5 and which is about 100 mm to the right of the surface 22 of the flexible abutment 9.
  • a first end stop which can either be fixed to the rail 24 or else as lowerable stop can be arranged in the table level 5 and which is about 100 mm to the right of the surface 22 of the flexible abutment 9.
  • This now inserted profile is indicated by the dashed line 63 in FIGS. 1 to 4.
  • the clamps are closed, the milling unit with the milling tool 6 moving forward in the direction of arrow 28 and then in the direction of arrow 29 in the working position, the three milling cutters 30 lying next to one another milling slots out of the profile, as seen from FIG.
  • the profile bar which already has a frame corner, is then pushed to the right, either by hand or by a suitable program control, by the amount corresponding to the desired side length of the frame, which frame length can be set by the end stops 25. Now the workflow described above starts again and these processes are repeated until the frame is completely bent.
  • the table level 5 can also be designed to be slightly inclined with respect to the level of the clamping jaws 3 and 4, which may make it easier to support the frame to be manufactured.
  • the piston-cylinder units can be charged with a liquid or gaseous medium. Instead of such drive units, motor drives with threaded spindles, lifting magnets or the like can also be used. It is also expedient to drive the milling tools 6 via an air turbine, since such components can be built relatively small. Graduations can be provided on the stop bar 8, which facilitate the setting of the desired lengths.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Claims (15)

1. Machine à cintrer pour la fabrication d'un cadre-entretoise pour vitrage isolant, à partir d'une barre de profilé à section en caisson remplie de matériau hygroscopique, ce profilé étant entaillé sur le côté (56) intérieur du cadre fini, les parties de la barre voisines de l'entaille étant courbées l'une par rapport à l'autre pour former un coin du cadre, avec une paire de mâchoires de serrage (2) proche de la zone de cintrage pour maintenir la barre de profilé, et un liteau de butée (8) pivotable autour d'un appui de cintrage (9), machiné caractérisée en ce que les mâchoires de serrage (4, 12) de la paire de mâchoires (2) sont disposées fermées perpendiculairement au plan de cintrage et l'une des mâchoires (4) est reliée au liteau de butée (8) pour pivoter en commun avec lui.
2. Machine à cintrer suivant la revendication 1, caractérisée en ce que l'une des mâchoires (12) n'est pas pivotante mais peut être déplacée en direction du cintrage (39).
3. Machine à cintrer suivant l'une des revendications 1 ou 2, caractérisée en ce que la mâchoire non pivotante (12) présente un évidement (21) dans lequel est engagé le contre-appui de cintrage (9) monté à poste fixe.
4. Machine à cintrer suivant la revendication 3, caractérisée en ce que le contre-appui de cintrage (9) présente au moins deux faces, perpendiculaires l'une à l'autre (14, 22) servant à l'application de la barre de profilé creux à cintrer, et l'une des mâchoires (12) est limitée à ces surfaces (14, 22).
5. Machine à cintrer suivant l'une quelconque des revendications 1 à 4, caractérisée en ce qu'une autre paire de mâchoires (1) est disposée à une certaine distance de la paire de mâchoires (2) disposées à l'endroit du cintrage, pour le maintien de la barre de profilé.
6. Machine à cintrer suivant l'une quelconque des revendications 1 à 5, caractérisée en ce que les paires de mâchoires de serrage (1 et 2) sont montées coulissantes dans le but de l'avancement de la barre de profilé vers remplacement de cintrage.
7. Machine à cintrer suivant la revendication 6, caractérisée en ce que la paire de mâchoires (2) située à l'emplacement de cintrage est montée à poste fixe.
8. Machine à cintrer suivant l'une quelconque des revendications 1 à 7, caractérisée en ce que l'autre paire de mâchoires de serrage (1) présente une face de butée (13) pour l'appui du profilé creux, parallèle à la direction de déplacement (31) de ses mâchoires (3, 11).
9. Machine à cintrer suivant la revendication 8, caractérisée en ce que, entre les mâchoires (3, 11) de l'autre paire de mâchoires (1), est prévu un contre-appui qui presse lé profilé contre la surface de butée (13) par une force de ressort.
10. Machine à cintrer suivant la revendication 9, caractérisée en ce que le contre-appui est pourvu d'un galet de roulement (15) supporté sur un tourillon axial (16) lequel s'avance à travers un évidement en forme de perçage oblong (17) prévu dans la mâchoire de serrage (3) et s'étendant vers la face de butée (13), l'extrémité saillante vers le bas de ce tourillon (16) étant reliée à un levier (20) pivotant autour d'un axe (19) et chargé par un ressort (18).
11. Machine à cintrer suivant l'une quelconque des revendications 1 à 10, caractérisée en ce que, entre les paires de mâchoires (1 et 2) est prévu un outil de fraisage (6) pouvant être amené en contact avec la barre de profilé.
12. Machine à cintrer suivant la revendication 11, caractérisée en ce que l'outil de fraisage (6) est composé, d'une manière connue, de trois disques de fraise (30) montés à une faible distance l'un de l'autre, sur un arbre de fraisage.
13. Machine à cintrer suivant la revendication 11, caractérisée en ce que l'outil de fraisage (6) est rapproché directement, dans sa position opérative, de la paire de mâchoires coulissante (1), se trouvant à une certaine distance de la paire de mâchoires fixe (2).
14. Machine à cintrer suivant l'une quelconque des revendications 1 à 13, caractérisée en ce que, parallèlement au liteau de butée de cintrage (8) placé en direction d'introduction de la barre de profilé creux à cintrer, est prévu un rail de guidage (24) pour recevoir des butées de fin de course (25) de position réglables, et, au moins l'une des butées de fin de course (25) se trouvant dans la zone de cintrage, est rabattable vers le haut hors du domaine de butée.
15. Machine à cintrer suivant l'une quelconque des revendications 5 ou 14, caractérisée en ce que le rail de guidage (24), porteur des butées de fin de course (25), est luimême monté pour pouvoir coulisser en direction longitudinale, étant relié solidairement, par exemple par l'intermédiaire d'une tige (26), avec la paire de mâchoires coulissante (1
EP19790103474 1978-09-26 1979-09-17 Machine à cintrer pour la fabrication d'une entretoise pour des vitrages isolants Expired EP0009703B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT695078A AT360311B (de) 1978-09-26 1978-09-26 Biegeeinrichtung zum anfertigen eines distanz- halterahmens fuer isolierglasscheiben
AT6950/78 1978-09-26

Publications (2)

Publication Number Publication Date
EP0009703A1 EP0009703A1 (fr) 1980-04-16
EP0009703B1 true EP0009703B1 (fr) 1982-10-27

Family

ID=3591334

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790103474 Expired EP0009703B1 (fr) 1978-09-26 1979-09-17 Machine à cintrer pour la fabrication d'une entretoise pour des vitrages isolants

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EP (1) EP0009703B1 (fr)
AT (1) AT360311B (fr)
DE (1) DE2963941D1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH660398A5 (de) * 1982-01-21 1987-04-15 Peter Lisec Abstandhalterrahmen fuer isolierglasscheiben sowie verfahren zur herstellung desselben und vorrichtung zur durchfuehrung des verfahrens.
DE3221986A1 (de) * 1982-06-11 1983-12-15 Fr. Xaver Bayer Isolierglasfabrik Kg, 7807 Elzach Maschine zum herstellen eines abstandhaltenden innenrahmens fuer eine isolierglasscheibe
NO174376C (no) * 1986-04-07 1994-04-27 Rjukan Metall As Apparat for böyning av metallprofiler
DE3740922A1 (de) * 1987-12-03 1989-06-22 Bayer Isolierglasfab Kg Verfahren und vorrichtung zur herstellung eines abstandhalter-rahmens
GB2237051A (en) * 1989-10-21 1991-04-24 Gary Daynes Square cornered spacer tube & method of making it
AT398395B (de) * 1990-03-30 1994-11-25 Lisec Peter Vorrichtung zum biegen von hohlprofilleisten zu abstandhalterrahmen für isolierglas
ATE102513T1 (de) * 1990-05-21 1994-03-15 Peter Lisec Verfahren und vorrichtung zum erzeugen gekruemmter abschnitte in hohlprofilleisten.
US5243844A (en) * 1990-05-21 1993-09-14 Peter Lisec Process for producing curved sections in hollow profile strips
DE4117002C2 (de) * 1990-06-07 1996-05-30 Peter Lisec Verfahren zum Biegen von Hohlprofilleisten zu Abstandhalterrahmen für Isolierglasscheiben
ATE100002T1 (de) * 1990-06-07 1994-01-15 Peter Lisec Verfahren und vorrichtung zum biegen von hohlprofilleisten zu abstandhalterrahmen fuer isolierglasscheiben.
AT397055B (de) * 1990-06-07 1994-01-25 Lisec Peter Verfahren und vorrichtung zum biegen von hohlprofilleisten zu abstandhalterrahmen für isolierglasscheiben
DE102011107975A1 (de) * 2011-07-16 2013-01-17 Rottler und Rüdiger und Partner GmbH Verfahren und Vorrichtung zum Verbinden von Sprossen für eine Isolierglasscheibe
US9149852B2 (en) 2013-03-14 2015-10-06 M.I.C. Industries, Inc. Panel crimping machine with control system for controlling timing between crimping rollers with an adjustable separation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2411784A (en) * 1942-11-30 1946-11-26 Super Tool Company Milling cutter
DE1901505A1 (de) * 1969-01-14 1970-08-27 Berghaus Alfred Werkzeug,insbesondere Fraeserbefestigung auf dem Dorn ohne Laengskeil als UEberlastungskupplung
US3728885A (en) * 1970-12-11 1973-04-24 Tridan Tool & Machine Tube bending and sawing apparatus

Also Published As

Publication number Publication date
DE2963941D1 (en) 1982-12-02
AT360311B (de) 1980-01-12
ATA695078A (de) 1980-05-15
EP0009703A1 (fr) 1980-04-16

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