EP0291499B1 - Dispositif pour la fabrication de cadres d'espacement pour vitres isolantes - Google Patents

Dispositif pour la fabrication de cadres d'espacement pour vitres isolantes Download PDF

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Publication number
EP0291499B1
EP0291499B1 EP88890117A EP88890117A EP0291499B1 EP 0291499 B1 EP0291499 B1 EP 0291499B1 EP 88890117 A EP88890117 A EP 88890117A EP 88890117 A EP88890117 A EP 88890117A EP 0291499 B1 EP0291499 B1 EP 0291499B1
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EP
European Patent Office
Prior art keywords
plate
bending
spacer frame
clamp
conveyor
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
EP88890117A
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German (de)
English (en)
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EP0291499A2 (fr
EP0291499A3 (en
EP0291499B2 (fr
Inventor
Peter Lisec
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Individual
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Individual
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Publication date
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Priority claimed from AT118387A external-priority patent/AT390434B/de
Priority claimed from AT0118287A external-priority patent/AT391821B/de
Priority claimed from AT125687A external-priority patent/AT392027B/de
Application filed by Individual filed Critical Individual
Publication of EP0291499A2 publication Critical patent/EP0291499A2/fr
Publication of EP0291499A3 publication Critical patent/EP0291499A3/de
Publication of EP0291499B1 publication Critical patent/EP0291499B1/fr
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Publication of EP0291499B2 publication Critical patent/EP0291499B2/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
    • E06B3/67308—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
    • 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
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
    • 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
    • E06B3/67365—Transporting or handling panes, spacer frames or units during assembly

Definitions

  • the invention relates to a device for producing spacer frames for insulating glass from a hollow profile strip, with two bending heads arranged displaceably along an edge of a plate for bending the hollow profile strip to form a spacer frame.
  • Such a frame bending device is known from DE-A-32 23 881.
  • the device according to the invention is characterized in that, symmetrically to the clamp, a gripper for relocating hollow profile strips from a conveyor device for feeding in hollow profile strips, which conveyor device extends parallel to the edge of the plate on which the bending heads are arranged, in the clamp and in the bending heads is provided.
  • the hollow profile strips can be conveyed up without any action by an operator, whereupon they are lifted from the conveyor device by the gripper and inserted into the clamp and the bending heads.
  • the bending heads After closing the clamp, whereby the hollow profile bar is fixed in its longitudinal direction, the bending heads bend the hollow profile bar to a spacer frame, as is known from DE-A-32 23 881.
  • the spacer frames produced in it have to be made by hand from downstream system parts, e.g. a device for butt welding the free ends of the hollow profile bar bent to form a spacer frame.
  • the present invention is therefore based on the further object of further designing the frame bending device known from DE-A-32 23 881 in the direction that a largely automatic transfer of the spacer frames produced, for example to a welding device which is known from EP-A1- 0 192 921 is known, is possible.
  • a transfer device is arranged on the edge of the plate opposite the bending heads, which transfer device can be pivoted relative to the plate in order to implement spacer frames from the bending device in a device for further transport and / or for further processing of spacer frames, and that Axis, about which the transfer device can be pivoted, is arranged in the area of the device for further transport and / or for further processing of spacer frames.
  • spacer frames lying on the plate of the bending device can be set in a device downstream of the bending device (e.g. a welding device).
  • an embodiment of the invention proves itself, which is characterized in that on the edge of the plate opposite the bending heads, a transport carriage movable along the plate for the bent spacer frames Hollow profile strips are provided so that the transport slide can be moved from a starting position opposite the bending heads of the frame bending device into a position in which it is assigned to the transfer device.
  • the spacer frames lifted out of the bending heads and conveyed downwards along the inclined plate of the frame bending device are moved from the transport slide to the transfer device, are grasped by the latter and set in a device downstream of the frame bending device for welding the free ends of the hollow profile strips bent into spacer frames .
  • a device for welding the hollow profile strip to a self-contained spacer frame is, as mentioned above, known from EP-A1-0192 921 and has an essentially vertical, slightly backward inclined support wall against which the spacer frames rest during the welding process.
  • a bending device 1 shown in FIG. 1 is supplied with hollow profile strips which are to be bent to form spacer frames, either from a roll forming device 2, in which hollow profile strips are formed from sheet metal strips, or from a magazine 3. If hollow profile strips are fed from a magazine 3, the hollow profile strips are welded together to form endless hollow profile strips in a welding device 4, which can have, for example, the construction known from EP-A1-0 192 921.
  • the spacer frames 44 produced in the bending device 1 are then transported to a further welding device 5, in which the free ends 45 of the hollow profile strip bent to form a spacer frame 44 are butt-welded to one another.
  • This welding device 5 can also have a construction as is known in principle from EP-A1-0 192 921, the welding device 5 having a supporting wall which is inclined somewhat backwards and against which the spacer frames 44 rest during the welding process.
  • a cutting device for example a circular saw 6, which cuts pieces of the length required for the respective spacer frame from the supplied hollow profile strips.
  • a length measuring device 8 for example an incremental encoder, which controls the saw 6 is provided in addition to the conveying path 7 for hollow profile strips.
  • the incremental encoder is driven by a friction wheel, on the opposite side of which a pressure roller that can be pressed onto the hollow profile strip is provided. Between the length measuring device 8 and the saw 6 there is also a drive roller for conveying the hollow profile strips.
  • the magazine 3 for hollow profile strips can be designed as a paternoster magazine. Hollow profile strips taken from the Paternoster magazine are fed into the conveying path 7 for hollow profile strips by a vibration conveyor.
  • the bending device 1 has a plate 10 which is inclined to the horizontal by about 10 to 30 °. In the area of the upper edge of the plate 10, two bending heads 12 are slidably provided in the direction of the double arrows 11. In the middle between the two bending heads 12, a clamp 13 is provided which holds a hollow profile strip inserted into the bending heads 12 during the bending process.
  • a textile strip 14 is provided on both sides of each bending head 12 as a flexible cover strip for the gap in which the bending heads 12 move along the plate 10.
  • the cover strips 14 are guided over deflection rollers 15, which are provided on the one hand in the area of the clamp 13 and on the other hand in the area of the side edges of the plate 10 (cf. FIG. 8).
  • the bending heads 12 have the ejector brackets 95 (FIG. 19) known from DE-A-32 23 881 and deflectors in order to enable the ejection process of a hollow profile strip bent from a spacer frame 44 out of the bending heads 12.
  • This conveyor device 20 comprises two sections, of which the section on the right in FIG. 2 has an endless conveyor member 21, whereas the section on the left in FIG. 2 is designed as a slideway 22.
  • pressure rollers 23 that can be applied to a hollow profile strip to be conveyed are provided from above.
  • the pressure rollers 23 are fastened via their axes 24 to a common shaft 25 which can be rotated about an axis running parallel to the conveying direction (double arrow 26).
  • a link 27 is connected to the shaft 25, which can be pivoted with the aid of a pressure medium motor 28 (FIG. 7).
  • a gripper 30 is provided above the plate 10, which can grip a hollow profile bar lying on the conveyor 20.
  • the hollow profile strip is inserted into the clamp 13 of the bending device 1 by the conveyor device 20 while being rotated about its longitudinal axis. Due to the rotation about its longitudinal axis, the one of its broad sides (preferably the side that later forms the outside of the spacer frame) on the conveying member 21 or the slideway 22 is turned so that it stands upright in the clamp 13, the clamp 13 attacks on their two broad sides.
  • the gripper 30 comprises a support arm 32 which is angled several times and parallel to a conveyor 20 arranged below it aligned axis 33 is pivotable.
  • a pressure medium motor (not shown in detail) is provided (FIG. 7).
  • the gripper 30 has two clamping jaws 34, 35, each of which has two prongs and which can be placed from below or from above against a hollow profile strip lying on the conveyor 20. To move the clamping jaws 34, 35, they are coupled to a drive motor 36.
  • Fig. 7 shows that the jaws 34, 35 of the gripper 30 are arranged in its starting position above or below a hollow profile bar arranged on the conveyor 20. In the position of the gripper 30 assigned to the clamp 13, the tines of its clamping jaws 34, 35 are arranged on both sides of the jaws of the clamp 13.
  • a guide surface 37 is also provided between the conveyor path 20 and the path of movement of the bending heads 12.
  • the sections of a hollow profile bar extending on both sides of the gripper 30 slide from the conveying device 20 into the bending heads 12 along the guide surface 37 onto the cover strips 14 when the hollow profile bar is moved.
  • the conveyor track 20 is also a length measuring device, for example an incremental encoder coupled to a deflection roller for the endless conveyor member 21 and a light barrier (not shown) between the discharge end of the conveyor member 21 and the gripper 30.
  • the pressure rollers 23 can be set somewhat obliquely to the conveying direction of the conveying device 20, so that the hollow profile strips conveyed thereon (see FIG. 4) are pulled against a guide strip 29 arranged on the plate side next to the endless conveying member 21 while they are being conveyed up.
  • the hollow profile strips are arranged relative to the clamping jaws 34 and 35 of the gripper 30 in such a way that they are grasped by them with their front ends and a secure insertion into the clamp 13 of the bending device 1 is ensured.
  • a slot 40 is provided which is perpendicular to the direction of movement (double arrow 11) of the bending heads 12.
  • this slot 40 there is an endless chain 41 which is guided around two deflection rollers and whose upper run is arranged just below the top of the plate 10. Over half of its length, the chain 41 is equipped with upwardly facing, plate-shaped projections 42 which, when the chain 41 is in the appropriate position, project upwards through the slot 40 in the plate 10.
  • the upper horizontal leg 43 of a spacer frame 44 bent in the bending device 1 and ejected from the bending heads 12 bears against the uppermost extension 42 of the chain 41.
  • a transport carriage 50 In the area of the lower edge of the plate 10, a transport carriage 50 is provided, which is guided along the lower edge on guide rails in the direction of the double arrow 51 to a transfer device 60 and back again.
  • drive means (not shown in detail, e.g. endless chain or the like) are provided.
  • Two clamps 52 are provided on the transport carriage 50, with which a spacer frame 44, after it has been conveyed from the chain 41 to the lower edge of the plate 10, can be fixed on the transport carriage 50.
  • Each of the clamps 52 comprises a hook-shaped clamping jaw 53 which is slidably guided on the transport carriage 50 in pivot bearings 54 so that they are pivoted on the one hand under the action of pressure medium cylinders 55 and can then be displaced on a contact surface 56 of the transport carriage 50 for clamping a spacer frame 44 ( 9 and 10).
  • the connecting joints between the piston rods of the pressure medium motors 55 and the clamps 53 are guided in slots 59 provided in guide plates, the slots 59 being approximately S-shaped.
  • the jaws 52 are further on the carriage 50 around the bearing 56, i.e. about axes perpendicular to the plate 10 under the action of a pressure medium motor 57, so that the free ends 45 of the spacer frame 44 can be pressed from both sides against a centering lamella 58, which is fixed to the transport carriage 50 (FIG. 5).
  • a spacer frame 44 After a spacer frame 44 has been fixed on the transport carriage 50, it moves to the transfer device 60, wherein the movement of the spacer frame 44 along the plate 10 can be supported by a conveyor belt 62 provided in a further slot 61 of the plate 10. As shown in FIG. 6, the conveyor belt 62 can be raised from a position sunk under the plate 10 (during the bending process) into a working position protruding above the top of the plate 10.
  • the conveyor belt 62 is preferably made as a conveyor belt with outwardly facing teeth made of rubber-elastic material.
  • the transfer device 60 (FIGS. 3 and 13 to 15) is intended to lift a spacer frame 44 from the plate 10 of the bending device 1 and to transfer it to a welding device 5 arranged next to the bending device 1, in which the free ends 45 of the spacer frame 44 are connected to one another be butt welded.
  • the transfer device 60 has a frame 63 which can be pivoted about an axis 64. At the Frame 63 is a plate and from this two spars 65 are provided, against which the upper, horizontal leg 43 of a spacer frame 44 abuts during the implementation of the spacer frame 44.
  • the lower, horizontal leg of the spacer frame 44 is held by clamps 67 (FIG. 12) provided on a beam 66 of the transfer device 60 and, if necessary, additionally fixed by additional clamps 68 (FIG. 11) provided on the outer ends of the beam 66, if the spacer frame is long enough.
  • the inner clamps 67 on the bar 66 each comprise a clamping plate 69 which can be displaced by a pressure medium motor 70 onto an abutment 71 rigidly attached to the bar 66.
  • the two outer clamps 68 comprise clamping jaws 72 which can be pivoted parallel to the longitudinal extent of the beam 66.
  • Pressure medium motors 73 are provided for pivoting the clamping jaws 72 of the clamps 68.
  • the beam 66 is pivotable about an axis 74 oriented parallel to its longitudinal extent and parallel to the lower edge of the plate 10, i.e. back and forth in the direction of the plate 10.
  • the bar 66 can be raised and lowered under the plate 10.
  • the swivel bearings 76 (axis 74) provided on the ends of arms 75 are fastened to links 77 which are fastened to a shaft 78.
  • pressure medium motors 79 By actuating pressure medium motors 79, the bar 66 can be raised or lowered relative to the plate 10, whereas by actuating the pressure medium motors 80 the bar 66 with its clamps 67 and 68 can be moved back and forth approximately in the plane of the plate 10.
  • the device just described for producing a spacer frame 44 for insulating glass from a hollow profile strip works as follows:
  • the frame bending device 1 is supplied via the transport device 20 with a hollow profile strip either formed by the roll forming device 2 or removed from the magazine 3 and welded together endlessly in the welding device 4.
  • the hollow profile strip is cut to length from the saw 6 to the length required for the production of the respective spacer frame 44.
  • the length is measured using the length measuring device 8, which is designed as an incremental encoder and is provided in front of the saw 6 and after the welding device 4.
  • a drive roller (not shown in the drawings) for transporting the hollow profile bar to the conveyor 20.
  • the conveyor 20 at the upper edge of the bending device 1 transports the correspondingly cut hollow profile strip so far that it is stopped exactly in the middle between the bending heads 12.
  • This causes the joint between the free ends 45 of the hollow profile strip bent to form a spacer frame 44 to come to lie exactly symmetrically with the bending heads 12 and with the transport slide 50.
  • a light barrier is provided at the end of the conveying member 21, which detects the front end of a hollow profile bar being conveyed and starts the incremental encoder for length measurement connected to the conveying member 21, which stops the drive for the endless conveyor 21, taking into account the length of the hollow profiled bar, when the The middle of the hollow profile strip lies exactly between the bending heads 12, ie is aligned symmetrically to the gripper 30 or the clamp 13.
  • the pressure rollers 23 are lifted from the conveying member 21 by actuating the pressure medium motor 28 and the gripper 30 is actuated and inserts the hollow profile strip into the clamp 13 between the bending heads 12. Then the hollow profile strip is clamped upright by the clamp 13.
  • the chain 41 provided in the slot 40 of the plate 10 is positioned such that the uppermost of the attachments 42 attached to it assumes approximately the position shown in FIG. 2.
  • a spacer frame 44 is bent from the hollow profile strip. After actuating the ejectors 95 on the two bending heads 12, the spacer frame 44 assumes the position shown in FIG. its upper, horizontal leg 43 abuts the chain 41 at the uppermost extension 42.
  • the two free ends 45 of the hollow profile strip which are still to be welded, are located further down from the side at the upwardly projecting lugs 42 of the chain 41 or are located next to the lugs 42.
  • the chain 41 is then set in motion and the spacer frame 44 conveyed downwards along the plate 10 to the transport carriage 50.
  • the lower, horizontal leg of the spacer frame 44 actuates a capacitive proximity switch, not shown, which is provided in the plate 10 in the area of the carriage 50, whereupon the two clamps 52 are actuated and hold the spacer frame 44 against the clamping surfaces 49 of the transport carriage 50.
  • the two clamps 52 are brought closer together by actuating the pressure medium motor 57, so that the two free ends 45 of the spacer frame 44 rest against the centering lamella 58. If the stroke of the two clamps 52 is greater than the distance of the free ends 45 from the centering lamella 58, the clamping jaws 53 slip on the spacer frame 44.
  • the transport carriage 50 then moves with the spacer frame 44 held by it to the transfer device 60 at the end of the plate 10.
  • the conveyor member 62 is raised in the slot 61 in the plate 10 and supports the transport of the spacer frame 44 to the transfer device 60.
  • the clamp 66 and its clamps 67 and 68 have been displaced downward (rotation about the shaft 78) so that the clamps 67 and 68 do not hinder the movement of the spacer frame 44.
  • the bar 66 of the transfer device 60 is now raised and (actuation of the pressure medium motors 79) is moved toward the lower leg of the spacer frame 44 clamped on the slide 50 (actuation of the pressure medium motors 80).
  • the clamps 67 and, if the spacer frame is sufficiently long, the clamps 68 are closed, so that the spacer frame 44 is fixed to the transfer device 60 with its lower, horizontal leg.
  • the clamps 52 of the transport carriage 50 are opened, the bar 66 of the transfer device 60 moves back (actuation of the pressure medium motors 80) and the carriage 50 can be moved back into its starting position shown in FIG. 2.
  • the transfer device 60 pivots about its axis 64 and sets the spacer 44 in the welding device 5 downstream of the bending device 1.
  • the bar 66 is moved again with the clamps 67 and 68, i.e. with the transfer device 60 pivoted upward moved by the pressure medium motors 80.
  • the clamps 67 and 68 open and the bar 66 moves up again, whereupon the transfer device 60 is pivoted back into its starting position (FIG. 2).
  • the transport carriage 50 was moved back into its ready position shown in FIG. 2 in order to take over the next spacer frame 44, which has meanwhile been bent, and to transport it to the transfer device 60.
  • the transfer device 60 can be arranged at the lower edge of the plate 10 of the bending device 1 symmetrically to the gripper 30 for converting the hollow profile strips to be bent into spacer frames 44 from the conveyor device 20 into the clamp 13 and the bending heads 12.
  • no transport carriage 50 is provided and the device for further processing the spacer frames 44 (e.g. the welding device 5) is also arranged symmetrically to the gripper 30 and to the clamp 13.
  • the device according to the invention can be used as a conveying means for the spacer frames 44 lifted out of the bending heads 12 and resting on the plate 10 to the lower edge of the plate 10, i.e. moved to the transport carriage 50 or directly to the transfer device 60, a carriage can be provided.
  • This carriage can be moved back and forth on guides (e.g. guide rods) oriented perpendicular to the conveying direction of the conveyor device 20 and parallel to the plane of the plate 10.
  • this carriage is equipped with clamps which grip the spacer frame 44 and release it again as soon as the spacer frame 44 is aligned with the transport carriage 50 or the transfer device 60 and has been detected by the clamping devices 52 or 67, 68 provided thereon.
  • FIGS. 16 to 19 An embodiment of a bending device 1 equipped with a slide as a conveying means is shown in FIGS. 16 to 19.
  • a slot 100 is provided in the plate 10 of the bending device 1, which extends downward from the clamp 13.
  • a slide 101 and a guide device 102 are provided for the free ends 45 of the hollow profile strip bent into a spacer frame 44.
  • the free ends 45 of the spacer frame 44 are guided by the guide device 102 such that they are arranged on both sides of the centering lamella 58 of the transport carriage 50 when the lower, horizontal leg of the spacer frame 44 has been moved to the transport carriage 50.
  • the slide 101 is slidably guided in the direction of the double arrow 105 over a frame 103 on guide rails 104 extending parallel to the slot 100.
  • the guide rails 104 are fastened to a frame 106 which also carries the guide device 102.
  • the frame 106 can be pivoted in the frame of the bending device 1 about an axis 107 aligned parallel to the slot 100 by a pressure medium motor 108 (arrow 109), so that the slide 101 and the guide device 102 can be lowered under the plate 10 of the bending device 1 if the Transport carriage 50 transported a spacer frame 44 to the transfer device 60.
  • the pressure medium motor 108 is supported in the frame of the bending device 1, as indicated in FIG. 17.
  • the guide device 102 consists of two extending in the longitudinal direction of the slot 100 Sheet profiles 81 and 81 '.
  • the sheet profile 81 ' has a leg 82 which is arranged with its free edge flush with the top of the plate 10 of the bending device 1 and which extends obliquely upwards away from the plate 10.
  • the sheet metal profile 81 ' is angled in a U-shape and thus forms a groove 96 for receiving the one end 45 of the hollow profile strip bent to its spacer frame 44.
  • the sheet profile 81 of the guide device 102 is essentially L-shaped, its upwardly angled leg 84 adjoining the underside of the leg 82 of the sheet profile 81 '.
  • the upwardly angled leg 84 of the sheet profile 81 is offset from the vertical section 83 of the U-shaped bend of the sheet profile 81 ', so that the free ends 45 of the hollow profile bar 44 bent to form a spacer frame can overlap .
  • the leg 84 of the sheet profile 81 deviates at least in its lower portion from its parallel to the slot 100 course, so that it is at the lower end of the guide device 102 just below the vertical portion 83 of the U-shaped bend of the Sheet profile 81 'ends.
  • the upper boundary wall of the groove 96 has a downwardly deviating section 83 ′ and the leg 82 of the lower end Sheet metal profile 81 'is bent downward at the lower end of the guide device 102 along a bending line 82' (FIGS. 16, 18).
  • the end 45 of the spacer frame 44 received in the groove 96 is steered at the end of the guide device 102 into the height of the upper side of the plate 10.
  • the free ends 45 of the spacer frame 44 are guided so that they are arranged on both sides of the centering lamella 58 of the transport carriage 50 when the spacer frame 44 has been moved downwards by the carriage 101 so that the lower, horizontal leg of the spacer frame 44 abuts the transport carriage 50 or its contact surfaces 49.
  • the centering plate 58 of the transport carriage 50 is arranged in a U-profile 85, which ensures that the free ends 45 of the spacer frame 44 are arranged on both sides of the centering plate 58 and not above or below that come to rest.
  • the clamps 52 of the transport carriage 50 are equipped with hold-down springs 86, the free limbs 87 of which, when the clamps 52 are pivoted, rest the lower horizontal limb of the spacer frame 44 in abutment with the lower horizontal limb 88 of the U-profile 85 to press.
  • the clamps 52 of the transport carriage 50 are guided over guide plates on a guide rail 89 which extends parallel to the lower edge of the plate 10 of the bending device 1 and is fastened to the transport carriage 50, so that when the pressure medium cylinder 57 is actuated, they slide in
  • no swiveling movement but rather to be moved parallel to one another in order to press the free ends 45 of the hollow profile strip bent into a spacer frame 44 against the centering lamella 58.
  • Two pressure medium motors 90 are attached to the frame 103 of the slide 101, the piston rods 91 of which bear a clamping jaw 92.
  • a second clamping jaw 93 is arranged on the frame 103 of the slide 101. As shown in FIG. 19, the clamping surfaces of the clamping jaws 92 and 93 are inclined to the plane of the plate 10 in order to take into account the inclined position of the frame 44 (FIG. 19).
  • a guide plate 94 is also provided on the frame 103 of the slide 101, which guides the upper, horizontal leg 43 of the spacer frame 44 securely between the clamping jaws 92 and 93 when the latter is lifted out of the bending heads 12 and the slide 101 by the lifting brackets 95 of the bending heads 12 is handed over.
  • the upper, horizontal leg 43 of the spacer frame 44 initially rests on the piston rods 91 of the pressure medium motors 90.
  • FIGS. 16 to 19 basically works like the embodiment described with reference to FIGS. 1 to 15, but with the following differences:
  • the clamping jaw 92 is moved toward the fixed clamping jaw 93 by actuating the pressure medium motors 90 and the upper, horizontal leg 43 of the spacer frame 44 is clamped.
  • a drive for example an endless chain hoist or the like, the carriage 101 is now moved downward along with the plate 10, taking the spacer frame 44, until the lower, horizontal leg of the spacer frame 44 arrives at the transport carriage 50.
  • the clamps 52 of the transport carriage 50 are actuated by their pressure medium cylinders 55, the free legs 87 of the depressing springs 86 being the free ends 45 of the spacer frame 44 which are formed by the grooves 96 and 97 have been guided so that they are on both sides of the centering lamella 58, are pressed against the leg 88 of the profile 85.
  • the clamp of the slide 101 consisting of the clamping jaws 92 and 93 is opened and the frame 106 is pivoted about its axis 107 by actuating the pressure medium motor 108 until both the guide device 102 and the Carriage 101 are arranged below the plate 10.
  • the transport carriage 50 is set in motion, the pressure medium motor 57 still being actuated during its movement in order to bring the clamps 52 closer together so that the free ends 45 of the spacer frame 44 abut the centering lamella 58 of the transport carriage 50 from both sides.
  • the guide device 102 and the carriage 101 are raised again and the carriage 101 is moved towards the upper edge of the plate 10 so that it takes over the next spacer frame 44 ready.

Claims (55)

1. Dispositif (1) de fabrication d'intercalaires pour vitrages isolants par pliage multiple d'une barre profilée creuse, comprenant deux têtes de pliage (12) qui sont disposées mobiles le long d'un bord d'une table (10) et entre lesquelles est prévu un organe de serrage (13) pour la barre profilée creuse à plier pour former un intercalaire, caractérisé en ce qu'il est prévu symétriquement à l'organe de serrage (13), un organe préhenseur (30) destiné à transférer dans l'organe de serrage (13) et dans les têtes de pliage (12), des barres profilées creuses provenant d'un dispositif de transport (20) pour l'amenage des barres profilées creuses qui s'étend parallèlement au bord de la table (10) sur lequel sont disposées les têtes de pliage (12).
2. Dispositif selon la revendication 1, caractérisé en ce que les barres profilées creuses sont acheminées sur le dispositif de transport (20) en reposant sur leur surface qui constituera plus tard le côté extérieur de l'intercalaire (44).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'organe préhenseur (30) met en place les barres profilées creuses dans les têtes de pliage (12) en effectuant une rotation autour d'un axe orienté selon la direction longitudinale des barres profilées creuses.
4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de transport (20) présente côté entrée un organe de transport sans fin (21) et est réalisé sous forme de glissière (22) après l'organe préhenseur.
5. Dispositif selon la revendication 4, caractérisé en ce que des galets presseurs (23) fous qui appuient par le haut sur les barres profilées creuses, sont prévus au-dessus de l'organe de transport sans fin (21) du dispositif de transport (20).
6. Dispositif selon la revendication 5, caractérisé en ce que les axes (24) qui portent les galets presseurs (23) sont montés sur un arbre commun (25) qui peut pivoter autour d'un axe parallèle à la direction de transport pour soulever les galets presseurs (23).
7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que les axes (24) des galets presseurs (23) sont inclinés par rapport à la direction de transport si bien qu'une barre profilée creuse amenée est guidée de manière à venir en appui contre une barre de guidage (29) limitant l'organe de transport sans fin (21) côté table.
8. Dispositif selon la revendication 3, caractérisé en ce que l'axe (33) autour duquel l'organe préhenseur (30) peut pivoter, est disposé sous le dispositif de transport (20) et est orienté parallèlement audit dispositif.
9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que l'organe préhenseur (30) présente deux mâchoires de serrage (34, 35), une mâchoire de serrage (35) étant disposée, dans la position de départ de l'organe préhenseur (30) associée au dispositif de transport (20), sous le plan de transport et l'autre mâchoire de serrage (34) étant disposée au-dessus du plan de transport.
10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que les mâchoires de serrage (34, 35) de l'organe préhenseur (30) présentent chacune deux pointes qui sont disposées de part et d'autre de l'organe de serrage (13) dans la position de transfert de l'organe préhenseur (30) associée à l'organe de serrage (13).
11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que les bandes de recouvrement (14) flexibles sont fixées de chaque côté sur le chariot portant les têtes de pliage (12), lesdites bandes recouvrant la rainure de la table (10) dans laquelle les têtes de pliage (12) se déplacent selon un mouvement de va-et-vient et formant un support pour des barres profilées creuses transférées par l'organe préhenseur (30).
12. Dispositif selon la revendication 11, caractérisé en ce que chacune des bandes dé recouvrement flexibles (14) est guidée surdeuxgalets de renvoi (15) tournant autour d'axes orientés parallèlement au plan de la table (10).
13. Dispositif selon la revendication 11 ou 12, caractérisé en ce que les bandes de recouvrement flexibles (14) sont des bandes textiles.
14. Dispositif selon l'une des revendications 1 à 13, caractérisé en ce qu'une surface de guidage (37) pour les parties de la barre profilée creuse saisie par l'organe préhenseur (30) qui s'étendent de chaque côté dudit organe préhenseur, est prévue entre le dispositif de transport (20) et la zone supérieure de la table (10) et les bandes de recouvrement (14) flexibles raccordées aux têtes de pliage (12).
15. Dispositif selon l'une des revendications 1 à 14, caractérisé en ce qu'il est prévu un dispositif de mesure déterminant la valeur de l'avance du dispositif de transport (20) pour les barres profilées creuses, par exemple un transmetteur incrémental associé au dispositif d'entraînement de la bande transporteuse sans fin (21), qui est déclenché par un barrage pho- toélectrique prévu côté entrée à proximité de la pince de l'organe préhenseur (30) et arrête l'entraînement du dispositif de transport (20), à partir d'une longueur prédéterminée de la barre profilée creuse, lorsque la barre profilée creuse est disposée symétriquement. par rapport à l'organe préhenseur (30) et à l'organe de serrage (13).
16. Dispositif (1) de fabrication d'intercalaires pour vitrages isolants à partir d'une barre profilée creuse, comprenant deux têtes de pliage (12) disposées mobiles le long d'un bord d'une table (10) et destinées à plier la barre profilée creuse en un intercalaire (44) selon l'une des revendications 1 à 15, caractérisé en ce qu'il est disposé sur le bord de la table (10) opposé aux têtes de pliage (12), un dispositif de transfert (60) qui peut pivoter par rapport à la table (10) afin de transférer des intercalaires (44) du dispositif de pliage (1) dans un dispositif (5) d'acheminement et/ou de traitement ultérieur des intercalaires (44) et en ce que l'axe (64) autour duquel le dispositif de transfert (60) peut pivoter, est disposé dans la zone du dispositif (5) de transport et/ou de traitement ultérieur des intercalaires (44).
17. Dispositif selon la revendication 16, caractérisé en ce qu'il est prévu sur le bord de la table (10) opposé aux têtes de pliage (12), un chariot de transport (50) des intercalaires (44) qui peut être déplacé sur des rails de guidage disposés le long de ce bord de la table, à partir d'une position de départ en regard des têtes de pliage (12), vers le dispositif de transfert (60).
18. Dispositif selon la revendication 16 ou 17, caractérisé en ce qu'un moyen de transport (41, 42 ; 101) qui transporte l'intercalaire le long de la table (10) est prévu pour le transport des intercalaires (44) extraits des têtes de pliage (12) à la fin de l'opération de pliage, vers le chariot de transport (50) et le dispositif de transfert (60).
19. Dispositif selon l'une des revendications 16 à 18, caractérisé en ce que le moyen de transport est une chaîne sans fin (41) ou analogue qui est équipée surla moitié de sa longueur de doigts (42) faisant saillie à travers la rainure (40) de la table (10).
20. Dispositif selon la revendication 19, caractérisé en ce que les doigts (42) sont fixés sur la chaîne (41) en se chevauchant.
21. Dispositif selon la revendication 19 ou 20, caractérisé en ce que la partie horizontale supérieure (43) d'un intercalaire (44) prend appui contre le doigt (42) de la chaîne (41) le plus haut, voisin des têtes de pliage (12), et en ce que les extrémités libres (45) de la barre profilée creuse viennent en appui des deux côtés sur des doigts (42) dans une zone située plus bas.
22. Dispositif selon l'une des revendications 16 à 21, caractérisé en ce que au moins deux pinces (52) sont prévues sur le chariot de transport (50) afin de bloquer la partie horizontale inférieure d'un intercalaire (44) sur le chariot de transport (50).
23. Dispositif selon l'une des revendications 16 à 22, caractérisé en ce qu'une lamelle de centrage (58) contre laquelle prennent appui les extrémités libres (45) d'un intercalaire (44) bloqué sur le chariot de transport (50), est prévue sur le chariot de transport (50).
24. Dispositif selon la revendication 22 ou 23, caractérisé en ce que les pinces (52) du chariot de transport (52) peuvent être déplacées l'une vers l'autre.
25. Dispositif selon la revedication 24, caractérisé en ce que les pinces (52) prévues sur le chariot de transport (50) peuvent être déplacées l'une vers l'autre et éloignées l'une de l'autre à l'aide d'un moteur à fluide sous pression (57) ou analogue autour d'axes (56) orientés perpendiculairement à la table (10).
26. Dispositif selon la revendication 24, caractérisé en ce que les pièces (52) sont guidées sur un rail de guidage (89) fixé sur le chariot de transport (50) de manière à pouvoir se déplacer selon un mouvement de va-et-vient parallèle à elles-mêmes.
27. Dispositif selon l'une des revendications 22 à 26, caractérisé en ce que les pinces (52) sont réalisées sous forme de crochets (53) qui sont logés dans des paliers lisses (54) rotatifs et dont les extrémités libres sont couplées avec des moteurs à fluide sous pression (55) reliés au chariot de transport (50).
28. Dispositif selon l'une des revendications 22 à 27, caractérisé en ce que les pinces (52) du chariot de transport (50) sont équipées de ressorts de pression (86) pliés par exemple en épingle à cheveux dont les branches libres (87) viennent en appui contre la partie horizontale inférieure d'un intercalaire (44) lors du pivotement des pinces (52) et la pressent contre l'aile (88) disposée à la hauteur de la face supérieure de la table (10), d'une barre profilée en U (85) prévue de part et d'autre de la lamelle de centrage (58).
29. Dispositif selon l'une des revendications 16 à 28, caractérisé en ce que le dispositif de transfert (60) destiné à transférer des intercalaires (44) vers un dispositif (5) monté en aval, présente un cadre (63) qui peut pivoter autour de l'axe horizontal (64) et sur lequel sont prévus des montants (65), sur lesquels prend appui la partie horizontale supérieure (43) d'un intercalaire (44) et en ce que des pinces (67 et 68) sont prévues sur le dispositif de transfert (60) pour bloquer l'intercalaire (44).
30. Dispositif selon la revendication 29, caractérisé en ce que les pinces (67 et 68) de blocage d'un intercalaire (44) sont fixées sur une traverse (66) orientée parallèlement à l'axe de pivotement (64) du dispositif de transfert (60).
31. Dispositif selon la revendication 30, caractérisé en ce que la traverse (66) peut être soulevée et abaissée par rapport au cadre (63) du dispositif de transfert (60) et être avancée vers l'axe de pivotement (64) et éloignée de ce dernier.
32. Dispositif selon la revendication 31, caractérisé en ce que la traverse (66) est montée de manière à pouvoir pivoter par l'intermédiaire de bras (75) autour d'un axe (74) parallèle à l'axe de pivotement (64) du dispositif de transfert (60) et en ce que l'axe de pivotement (74) pour la traverse (66) est quant à lui monté par des bras (77) sur un arbre (78) qui peut tourner pour lever et abaisser la traverse (66).
33. Dispositif selon l'une des revendications 29 à 32, caractérisé en ce qu'une paire de pinces (67) est prévue dans la zone médiane de la poutre (66) et qu'une autre paire de pinces (68) est prévue aux deux extrémités de la poutre (66).
34. Dispositif selon la revendication 33, caractérisé en ce que la paire extérieure de pinces (68) présente des mâchoires de serrage (72) mordant sur la surface intérieure et la surface extérieure d'un intercalaire (44) respectivement.
35. Dispositif selon la revendication 33 ou 34, caractérisé en ce que la paire intérieure de pinces (67) présente des mâchoires de serrage (69, 71) mordant sur les surfaces latérales d'un intercalaire (44).
36. Dispositif selon l'une des revendications 33 à 35, caractérisé en ce que l'une des mâchoires de serrage (71) des pinces intérieures (67) est fixée rigidement sur la traverse (66) et en ce que les mâchoires de serrages mobiles (69) de ces pinces (67) peuvent avancer et reculer perpendiculairement à la direction longitudinale de la traverse (66).
37. Dispositif selon la revendication 34, caractérisé en ce que les pinces extérieures (68) possèdent chacune deux mâchoires de serrage (72) qui sont de préférence équipées de garnitures en caoutchouc et sont réalisées mobiles toutes les deux.
38. Dispositif selon l'une des revendications 16 à 37, caractérisé en ce qu'une rainure (61) dans laquelle est prévue une bande transporteuse (62) pour aider au transport des intercalaires (44) à l'aide du chariot de transport (50), est prévue dans la table (10), dans la zone de déplacement du chariot de transport (50).
39. Dispositif selon la revendication 38, caractérisé en ce que la bande transporteuse (62) peut être abaissée à partir d'une position de transport dépassant sur la face supérieure de la table (10) dans une position de repos sous la table (10).
40. Dispositif selon l'une des revendications 16 à 39, caractérisé en ce que des surfaces d'appui (49) pour la partie horizontale inférieure d'un intercalaire (44) sont prévues sur le chariot de transport (50), de part et d'autre des pinces (52).
41. Dispositif selon la revendication 40, caractérisé en ce que des évidements pour les pinces extérieures (68) situées sur la traverse du dispositif de transfert (60) sont prévus dans les surfaces d'appui (49) du chariot de transport (50).
42. Dispositif selon l'une des revendications 16 à 41, caractérisé en ce que le dispositif de transfert (60) est disposé symétriquement à l'organe de serrage (13) sur le bord de la table (10) opposé à l'organe de serrage (13).
43. Dispositif selon l'une des revendications 16 à 41, caractérisé en ce que le dispositif de transfert (60) est décalé latéralement par rapport à l'organe de serrage (13) sur le bord de la table (10) opposé à l'organe de serrage (13).
44. Dispositif selon la revendication 18 et l'une des revendications 22 à 43, caractérisé en ce que le moyen de transport est un chariot (101) qui comporte au moins une pince (92, 93) applicable sur un intercalaire (44) et est guidé dans la table (10) de manière à pouvoir se déplacer suivant une trajectoire (105) parallèle au plan de la table (10) et perpendiculaire à la direction de déplacement des têtes de pliage (12).
45. Dispositif selon la revendication 44, caractérisé en ce que la pince du chariot (101) présente deux mâchoires de serrage (92, 93) en forme de barre qui sont disposées à distance au-dessus de la table (10) du dispositif de pliage (1).
46. Dispositif selon la revendication 45, caractérisé en ce que les surfaces de serrage des mâchoires (92, 93) forment un angle aigu avec le plan de la table (10).
47. Dispositif selon la revendication 45 ou 46, caractérisé en ce que l'une des mâchoires de serrage (93) est montée rigidement sur le châssis (103) du chariot (101) tandis que la deuxième mâchoire de serrage (92) est reliée aux tiges de piston (91) de cylindres à fluide sous pression (90) et en ce que les tiges de piston (91) forment un appui pour la partie horizontale supérieure (43) d'un intercalaire (44).
48. Dispositif selon l'une des revendications 16 à 47, caractérisé en ce qu'il est prévu un dispositif de guidage (102) pour les extrémités libres (45) d'une barre profilée creuse pliée pour former un intercalaire (44) qui s'étend du bord de la table (10) voisin des têtes de pliage (12) au bord opposé de ladite table et en ce que le dispositif de guidage (102) présente des rainures longitudinales (96, 97) dans lesquelles sont guidées les extrémités libres (45) d'un intercalaire (44).
49. Dispositif selon la revendication 48, caractérisé en ce que les rainures (96 et 97) du dispositif de guidage (102) ont différentes hauteurs par rapport à la table (10).
50. Dispositif selon la revendication 48 ou 49, caractérisé en ce que les fonds (83 et 84) des rainures (96 et 97) sont décalés l'un par rapport à l'autre à l'extrémité supérieure du dispositif de guidage (102) si bien que les extrémités libres (45) d'un intercalaire (44) introduites dans les rainures (96 et 97) peuvent se chevaucher et en ce que les fonds (83 et 84) des rainures sont alignés entre eux à l'extrémité du dispositif de guidage (102) opposée aux têtes de pliage (12).
51. Dispositif selon la revendication 50, caractérisé en ce que les fonds (83 et 84) des rainures (96 et 97) du dispositif de guidage (102) sont alignés avec la lamelle de centrage (58) du chariot de transport (50) à l'extrémité du dispositif de guidage opposée aux têtes de pliage (12).
52. Dispositif selon l'une des revendications 48 à 51, caractérisé en ce que le dispositif de guidage (102) est constitué de profilés en tôle (81, 81').
53. Dispositif selon la revendication 52, caractérisé en ce que le profilé en tôle (81 qui forme la rainure supérieure (96) est plié essentiellement en U pour former la rainure (96) et en ce que son aile (82) est inclinée vers le haut à partir de la face supérieure de la table (10).
54. Dispositif selon l'une des revendications 44 à 53, caractérisé en ce que le chariot (101) et le dispositif de guidage (102) sont montés de manière à pouvoir être abaissés sous la table (10) à partir de leur position dépassant de la table (10).
55. Dispositif selon la revendication 54, caractérisé en ce que le dispositif de guidage (102) et le chariot (101) et ses barres de guidage (104) sont fixés sur un cadre auxiliaire (106) qui, pour abaisser le dispositif de guidage (102) et le chariot (101), peut pivoter autour d'un axe (107) parallèle à la rainure (100) de la table (10).
EP88890117A 1987-05-11 1988-05-09 Dispositif pour la fabrication de cadres d'espacement pour vitres isolantes Expired - Lifetime EP0291499B2 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
AT118387A AT390434B (de) 1987-05-11 1987-05-11 Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas
AT1183/87 1987-05-11
AT1182/87 1987-05-11
AT0118287A AT391821B (de) 1987-05-11 1987-05-11 Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas
AT125687A AT392027B (de) 1987-05-18 1987-05-18 Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas
AT1256/87 1987-05-18

Publications (4)

Publication Number Publication Date
EP0291499A2 EP0291499A2 (fr) 1988-11-17
EP0291499A3 EP0291499A3 (en) 1989-12-27
EP0291499B1 true EP0291499B1 (fr) 1991-07-10
EP0291499B2 EP0291499B2 (fr) 1997-01-29

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EP88890117A Expired - Lifetime EP0291499B2 (fr) 1987-05-11 1988-05-09 Dispositif pour la fabrication de cadres d'espacement pour vitres isolantes

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EP (1) EP0291499B2 (fr)
AT (1) ATE65110T1 (fr)
DE (1) DE3863583D1 (fr)
ES (1) ES2023511T5 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401242B (de) * 1992-07-16 1996-07-25 Lisec Peter Vorrichtung zum herstellen von abstandhalterrahmen für isolierglasscheiben aus hohlprofilleisten
AT401243B (de) * 1992-07-16 1996-07-25 Lisec Peter Vorrichtung zum herstellen von abstandhalterrahmen für isolierglasscheiben aus hohlprofilleisten
ES2096268T3 (es) * 1992-07-16 1997-03-01 Peter Lisec Dispositivo para la fabricacion de marcos distanciadores para cristales aislantes a partir de listones de perfil hueco.
IT202100033134A1 (it) * 2021-12-30 2023-06-30 Graf Synergy Srl Procedimento e impianto per la produzione di barre di rinforzo per profilati per serramenti

Family Cites Families (4)

* 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.
AT390434B (de) * 1987-05-11 1990-05-10 Lisec Peter Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas
AT392027B (de) * 1987-05-18 1991-01-10 Lisec Peter Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas
AT391821B (de) * 1987-05-11 1990-12-10 Lisec Peter Vorrichtung zur herstellung von abstandhalterrahmen fuer isolierglas

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EP0291499A2 (fr) 1988-11-17
DE3863583D1 (de) 1991-08-14
EP0291499A3 (en) 1989-12-27
ATE65110T1 (de) 1991-07-15
EP0291499B2 (fr) 1997-01-29
ES2023511B3 (es) 1992-01-16
ES2023511T5 (es) 1997-05-16

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