EP3495067A1 - Einrichtung und verfahren zum biegen von metallischen profilen von flügeln - Google Patents

Einrichtung und verfahren zum biegen von metallischen profilen von flügeln Download PDF

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Publication number
EP3495067A1
EP3495067A1 EP18207959.0A EP18207959A EP3495067A1 EP 3495067 A1 EP3495067 A1 EP 3495067A1 EP 18207959 A EP18207959 A EP 18207959A EP 3495067 A1 EP3495067 A1 EP 3495067A1
Authority
EP
European Patent Office
Prior art keywords
profiles
folding
installation
module
profile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18207959.0A
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English (en)
French (fr)
Other versions
EP3495067B1 (de
Inventor
Maxime BALTHAZAR
Olivier THEIL
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.)
Meca Theil
Original Assignee
Meca Theil
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 Meca Theil filed Critical Meca Theil
Priority to PL18207959T priority Critical patent/PL3495067T3/pl
Publication of EP3495067A1 publication Critical patent/EP3495067A1/de
Application granted granted Critical
Publication of EP3495067B1 publication Critical patent/EP3495067B1/de
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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
    • B21D53/00—Making other particular articles
    • B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
    • 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
    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/03—Apparatus with means to keep the profile in shape
    • 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 present invention relates to an installation and a method of folding metal profiles of openings.
  • Opening means the movable parts of windows, doors and glazed doors, whether these openings are located inside or outside a building.
  • the metal sections usually made of aluminum, are intended to form frames, for example square or rectangular, in which the glazed portions of the openings are maintained.
  • the dimensions of the frames both in terms of width, length and thickness are variable, it being understood that there are openings to single, double, triple or quadruple glazing or more, which impacts on the thickness of the frame and therefore on the dimensions of the constituent sections of this one.
  • the profiles used are generally configured in flat-bottomed U-shaped cross-section.
  • the width of the profile so the width of the bottom, depends directly on the thickness of the frame, so that it is intended to maintain a single glazing, double or other.
  • the openings, by their geometric shapes are, for example, parallelograms at right angles.
  • To achieve such frames are folded at right angles straight profiles of a length of up to six meters, it being understood that the current width of these profiles generally varies from eight to thirty millimeters.
  • the folding takes place in several defined zones of the profile which correspond to the dimensions, length or width, of the finished frame.
  • Installations are known that make it possible to produce profiles from frames for openings.
  • US-A-4,754,632 describes such an installation with a holding member adapted to abut the ends of the folded rail and form the frame.
  • EP-A-1,285,708 discloses an installation with an articulated folding finger for making a right angle in the frame preserving the nominal dimensions of the profile.
  • the installation if it makes it possible to realize various dimensions of the frame, requires a tool change, in this case the bending punch, when the thickness of the frame to be made varies, so when the width of the profile changes.
  • EP-A-2862644 describes a folding machine comprising a single holding means, namely a fixed bending punch and adjustable gap bending jaws which ensure the bending of the profile around the punch, in various thicknesses.
  • a single holding means namely a fixed bending punch and adjustable gap bending jaws which ensure the bending of the profile around the punch, in various thicknesses.
  • the invention intends to respond more particularly by proposing a folding installation of metal profiles of openings that can be used to produce frames of different dimensions and thicknesses, with a minimum of parts, without any change of organs on easy installation and maintenance, adapted to use the different types of existing profiles.
  • the subject of the invention is an installation for folding metal opening profiles comprising at least one module for feeding the profiles to the installation, a module for abutting the profiles, a module for feeding and guiding of the profiles in the installation, a folding module of the profiles comprising a means for holding the shape of the profiles during folding comprising a jaw with variable spacing, said jaw forming a first variable spacing member for maintaining in the form of profiles and surrounding a second member for holding shaped profiles during folding, a finishing module of the frames and a module for receiving finished frames, characterized in that the folding module comprises at least two second holding members in the form of the profiles and in that the second shaped holding members are of variable spacing.
  • the folding module comprises elements with variable spacing, namely the jaw and the holding member, which makes it possible to adapt, without tool change, the folding module to the various widths of profiles. to bend, this covering the full extent of the width range of profiles commonly encountered.
  • the invention thus allows optimum use of the installation, preserving production rates and offering optimum adaptability. Indeed, thanks to the invention, the folding installation is able to achieve up to at least 140 frames per hour.
  • the figure 1 illustrates, in a simplified manner, a folding installation of opening metal profiles 1.
  • the profiles known per se, are not illustrated for ease of reading. It is the same storage facilities profiles before folding and storage facilities finished frames obtained by folding in the facility.
  • the installation 1 is powered by a storage facility, also called store, which stores enough profiles in a variety of sizes to be able to continuously feed the installation 1 during its period of use, typically a day working. Alternatively, the capacity of the store is adapted, especially if the installation is called to operate 24 hours a day.
  • the profiles used in the installation 1 are known per se. It consists of metal profiles, typically aluminum or stainless steel, with a U-shaped cross-section, with a length ranging from 3 m to 6 m, a width of between 6 mm and 30 mm for a height ranging from 5 mm to 10 mm.
  • the installation 1 is able to fold all the profiles commonly encountered to form opening frames, for example square or rectangular. It is conceivable that such an installation 1 is able to fold profiles to make frames of another geometric shape than square or rectangular, for example in a triangle.
  • the arrival of the profiles in the installation 1 is carried out from the right of the figure 1 . Alternatively, the arrival of the profiles is located on the left of the installation.
  • This power supply of the installation 1 in profiles is materialized by the arrow F.
  • a module of supply of the profiles ensures a regular supply of profiles in the installation 1, that by adapting to the speeds of realization of the frames in the installation 1.
  • the supply module comprises drive members in translation of the profiles.
  • the module is advantageously disposed at the output of a section storage module, not shown. It thus provides a physical connection between the installation 1 and a section storage facility.
  • the supply module is therefore disposed, preferably, between the installation 1 and a storage facility of the profiles while being removable relative thereto.
  • Such a feed module is adapted to feed profiles to the installation 1 while adapting to variations in bending speed of the installation, therefore to production rates.
  • a first constituent module of the installation 1, looking at the right part of the figure 1 is a butting module 2 of the profiles.
  • the module 2 comprises holding plates 3.
  • the plates 3 are arranged perpendicular to each other, on either side of the path of the profiles during their movements in the installation 1.
  • the plates 3 hold the profiles in position when they pass through module 2.
  • Training means, not visible at the figure 1 ensure the displacement in translation of the profiles in the module 2 so that the profiles follow one another without space between the ends facing the two adjacent profiles.
  • continuity is achieved in the movement of the profiles, without dead time in the bending of the fact that the butted sections are, de facto, supported in the installation 1 as if it were a single profile of infinite length.
  • the drive means comprise drive belts, preferably made of synthetic material.
  • the use of synthetic belts makes it possible to avoid as much as possible any marking of the profile, particularly when the latter is made of aluminum.
  • the material of the drive belts has a coefficient of friction sufficient to drive the profiles avoiding any shifting phenomenon. For this, the hardness of the belt is lower than that of the profile.
  • the profiles are supported by an advance and guide module 4.
  • the module advance and guide 4 comprises, as the module 2, holding plates, drive belts, preferably also non-aggressive material for the profiles, and rollers 5.
  • the rollers 5 can move precisely the profiles, orienting and guiding them, according to at least one axis and, in another embodiment not illustrated, up to three XYZ axes.
  • the holding plates 3 and the rollers 5 are movable, with a predefined stroke. of the sensors detect the position of the profile when it enters the module 4 and control the necessary displacements of the holding plates 3 and rollers 5 to position the profile at the output of the module 4 before it enters the folding module 6.
  • the folding module 6 is particularly illustrated in Figures 3 to 6 . It will therefore be described in more detail later.
  • the profiles pass through a marking module 7.
  • This module 7 not mandatory for the realization of the folding of the profiles according to the invention, can print and / or burn information on the profile. This includes all technical information to identify the finished frame and its physical and mechanical characteristics.
  • the marking is performed by a laser 8, according to a technique known per se.
  • the formed frames pass through a finishing module 9.
  • a finishing module 9 Once folded, so with the free ends of the profile forming the frame facing each other and ready to receive the glazing and ready to be abutted by gluing, welding or by another technique known per se, for example with insertion of a connecting piece, the folded sections are sawed by a saw 10 constituting the finishing module 9.
  • the finished frames are transferred to a receiving table 11.
  • the table 11 is inclined relative to the vertical.
  • the frames are then evacuated to a storage area and / or packaging.
  • Table 11 is particularly visible figures 1 and 2 .
  • the different modules 2, 4, 6, 7, 9 are aligned, in the lower part of the table 11.
  • the drive members 12 of the different modules are arranged perpendicularly to the direction F of movement of the profiles, under the table 11.
  • looking at the installation 1 only are visible, as shown in FIG. figure 1 , the parts of modules in which the profiles move.
  • the other constituent elements of the modules of the installation 1 are located under the table 11.
  • the set of modules is carried by a frame 13.
  • the folding module 6 is now described in detail. It comprises a rail 14 for moving the profile. The advance of the profile is generated and controlled by pressing rollers 15. The movement is effected between the parallel cheeks 16, 17 of a clamping jaw.
  • the cheek 16 is movable, according to the double arrow F2, with respect to the cheek 17 which is stationary. In this way is moved away or closer cheeks 16, 17.
  • the jaw 16, 17 is constitutive of a means for holding shaped profiles during folding.
  • the jaw 16, 17 thus constitutes a first variable spacing member for maintaining shaped profiles.
  • the folding module 6 comprises a folding member 18 positioned in the extension of the rail 14.
  • This member 18 is generally in the form of a flattened chute. Thus, it can receive different widths of profiles.
  • the member 18 is pivotally mounted about a rotation shaft 19. The pivoting of the member 18 is effected in a direction illustrated by the double arrow F1 between a bottom dead center corresponding to an alignment of the member 18 with the rail 14, as illustrated in figures 3 and 4 and a top dead center in which the member 18 is angularly positioned relative to the rail 14.
  • the member 18 can rotate up to about 140 ° relative to the rail 14, according to the binding angles required.
  • the pivoting movement of the member 18 around the shaft 19 is provided by a jack 20.
  • the latter is located behind the fold plane P materialized by a support plate 21, so as not to hinder the movement of the member 18 and the profile.
  • the movement of the jack 20 is transmitted to the member 18 by a connecting rod 22.
  • the module 6 also comprises at least two retaining members 23 of the profiles.
  • the number of members 23 is two. In non-illustrated variant, the number is greater, for example three.
  • the members 23 are also constituting the means for maintaining the shape of the profiles during folding and define a second variable spacing member for maintaining shaped profiles.
  • the purpose of the members 23 is to maintain, from the inside of the profile, the walls and the bottom of the profile during bending, in order to preserve the parallelism of the lateral walls of the profile and the constancy of the thickness, avoiding any distortion of the profiling and / or stretching of material during folding. Furthermore, the members 23 define a fulcrum for the folding of the profile by the member 18. De facto, the position of the members 23 also defines the area where the folding is performed on the profile.
  • the two members 23 are mounted on plates 24.
  • the plates 24, in the form of rectangular plates, have their largest dimensions oriented angularly to the direction of movement of the profiles.
  • the angle a represented at figure 5 between the longitudinal axis A of the plates 24 and the vertical, is between 30 ° and 60 °.
  • the members 23 are generally triangular in shape. They are fixed by their large bases 25 on one end 26, in this case corresponding to the width, of each plate 24. Thus, the members 23 are located in the extension of plates 24.
  • the fixing is advantageously carried out definitively, by welding, machining or other technique known per se.
  • the free ends 27 of the members 23 are identical. They are configured in lug or rounded finger at its free end, with sides 270, 271 asymmetrical and rectangular cross section. Alternatively, the cross section is different, for example square. Subsequently, the term finger will be preferentially used.
  • the fingers 27 each have a face 28 facing the corresponding face 28 of the other finger 27.
  • the faces 28 are flat, so that the fingers 27 of each member 23 can be in mutual contact by their respective faces 28 .
  • the total width L23 of the two adjoining members 23 substantially corresponds to the minimum width of a profile, therefore to the minimum spacing between its walls. Such a width L23 is close to 8 mm.
  • Each countersink 30 is made on the width of the finger 27 and over the entire length of the short side 271 of the finger 27.
  • the plates 24, and therefore the members 23, can move away in translation along the double arrow F2 along a shaft 31 secured to a part 32, under the action of a jack 33 visible to figures 1 , 3 and 4 .
  • the piece 32 which de facto forms the support of the second variable spacing member for maintaining the shape of the profiles, is mounted to move in translation along the double arrow F3.
  • the piece 32 is held on a shaft 34.
  • the first step is the supply of profiles of the installation, in a continuous and controlled way.
  • a feed module ensures the transfer of profiles from a storage facility to installation 1.
  • the next step is, with the splicing module 2, to butt the profiles so as to obtain a profile of length, if not infinite, equal to the cumulative length of all the profiles present in the storage installation. , before replenishment of the latter in profiles.
  • the profiles are introduced into the folding module 6. This step can be broken down into several sub-steps.
  • the cheek 16 is moved away from the cheek 17 of the first member for keeping shaped profiles, and therefore of the jaw. This movement is effected either before or after or concomitantly with an initial movement of the second variable-gauge holding member.
  • the fingers 27 are distal to the profiles.
  • the spacings of the first and second holding members are greater than the width of the profile to be bent. Thus, it advances the profile in position between the cheeks 16, 17 of the jaw. Once the profile in place, we bring the cheek 16 of the cheek 17 so that the cheeks 16, 17 are in contact with the outer faces of the profile walls. This contact is made so that it is sufficient to maintain the walls of the U-shaped profile, avoiding any opening thereof by spacing the branches of the U constituting the profile.
  • the clamping force of the flanges 16, 17 must be adapted so as not to mark and / or deform the profile.
  • the jaw advances the piece 32, according to F3, to bring the members 23, more precisely the fingers 27, in position in the space defined between the legs of the U of the profile.
  • the fingers 27 have previously been spaced apart from each other until the face 29 of each finger 27 is in contact with an inner face facing the walls of the profile.
  • the fingers 27 are spaced after their placement in the profile. In this way, each branch of the U constituting the profile, and therefore the side walls thereof, is maintained both on the outside and on the inside by respectively the first and second holding members, namely the cheeks 16, 17 of the jaw and the fingers 27.
  • the maintenance is sufficient to avoid any deformation of the walls of the profile during its folding, which ensures the maintenance of a constant profile width without stretching material at the wall of the profile and without making fold of material.
  • the geometrical shape of the fingers 27 makes it possible, on the one hand, by the countersink 30 to disengage an area for the folded portion of the profile and, on the other hand, by the presence of a slightly convex portion on the face 29 of the finger 27 in the zone without counterbore 30, initiating a folding, for example at right angles, of the profile without generating a bead at the bending.
  • the part 32 moves in translation in the opposite direction, according to the double arrow F3 to release the members 23 of the profile.
  • the cheek 16 deviates from the cheek 17 and the rollers 19 ensures the displacement of the folded section, therefore de facto of the frame thus produced to a finishing module 9.
  • the portions of unfolded sections and located outside the frame are sawn so as to obtain a frame in a defined shape and size.
  • the falling profiles thus obtained are advantageously butted to form profiles which are delivered either in a storage facility for later use or reintroduced into the folding plant 1, for a new folding cycle.
  • the finished frames are still open to receive the glazing. They are evacuated on the table 11 and then directed either to a storage area and / or packaging in the case of a future use or in another place, or oriented towards an assembly chain of the doors in the case of a immediate use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP18207959.0A 2017-12-06 2018-11-23 Einrichtung und verfahren zum biegen von metallischen profilen von flügeln Active EP3495067B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18207959T PL3495067T3 (pl) 2017-12-06 2018-11-23 Instalacja oraz sposób gięcia profili metalowych skrzydeł okiennych lub drzwiowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1761724A FR3074434B1 (fr) 2017-12-06 2017-12-06 Installation et procede de pliage de profiles metalliques d'ouvrants

Publications (2)

Publication Number Publication Date
EP3495067A1 true EP3495067A1 (de) 2019-06-12
EP3495067B1 EP3495067B1 (de) 2020-07-29

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EP18207959.0A Active EP3495067B1 (de) 2017-12-06 2018-11-23 Einrichtung und verfahren zum biegen von metallischen profilen von flügeln

Country Status (4)

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EP (1) EP3495067B1 (de)
ES (1) ES2823486T3 (de)
FR (1) FR3074434B1 (de)
PL (1) PL3495067T3 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754632A (en) 1986-04-07 1988-07-05 Rjukan Metall A/S Apparatus for bending structural metal rails
EP0983809A2 (de) * 1998-08-29 2000-03-08 Bayer Isolierglas- und Maschinentechnik GmbH Verfahren und Vorrichtung zum Biegen eines Hohlprofiles zur Herstellung eines abstandhalter-Rahmens für Isolierglasscheiben
EP1285708A1 (de) 2001-08-20 2003-02-26 Peter Lisec Verfahren und Vorrichtung zum Biegen von Hohlprofilleisten zu Abstandhalterrahmen für Isolierglasscheiben
EP2862644A1 (de) 2013-10-17 2015-04-22 Forel Spa Automatische Maschine und automatisches Verfahren zum Biegen und Kalandrieren von Abstandsprofilen zum Erhalten von Abstandhalterrahmen für eine Isolierverglasungseinheit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754632A (en) 1986-04-07 1988-07-05 Rjukan Metall A/S Apparatus for bending structural metal rails
EP0983809A2 (de) * 1998-08-29 2000-03-08 Bayer Isolierglas- und Maschinentechnik GmbH Verfahren und Vorrichtung zum Biegen eines Hohlprofiles zur Herstellung eines abstandhalter-Rahmens für Isolierglasscheiben
EP1285708A1 (de) 2001-08-20 2003-02-26 Peter Lisec Verfahren und Vorrichtung zum Biegen von Hohlprofilleisten zu Abstandhalterrahmen für Isolierglasscheiben
EP2862644A1 (de) 2013-10-17 2015-04-22 Forel Spa Automatische Maschine und automatisches Verfahren zum Biegen und Kalandrieren von Abstandsprofilen zum Erhalten von Abstandhalterrahmen für eine Isolierverglasungseinheit

Also Published As

Publication number Publication date
FR3074434A1 (fr) 2019-06-07
EP3495067B1 (de) 2020-07-29
PL3495067T3 (pl) 2021-05-04
FR3074434B1 (fr) 2019-11-15
ES2823486T3 (es) 2021-05-07

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