EP3495067A1 - Device and method for bending wing metal profiles - Google Patents
Device and method for bending wing metal profiles Download PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 title claims abstract description 12
- 238000005452 bending Methods 0.000 title description 9
- 238000009434 installation Methods 0.000 claims abstract description 70
- 238000003860 storage Methods 0.000 claims description 13
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000470 constituent Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000013519 translation Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
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- 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)
Abstract
L'invention concerne une installation de pliage de profilés métalliques d'ouvrants comprenant au moins un module d'amenée des profilés sur l'installation, un module d'aboutement des profilés, un module d'avance et de guidage des profilés dans l'installation, un module de pliage des profilés comportant un moyen de maintien en forme des profilés lors du pliage comportant une mâchoire (16, 17) à écartement variable, ladite mâchoire formant un premier organe à écartement variable de maintien en forme des profilés et entourant un second organe de maintien en forme (23) des profilés lors du pliage. Le module de pliage comprend au moins deux seconds organes de maintien en forme (23) des profilés et les seconds organes de maintien en forme (23) sont à écartement variable (F2).L'invention concerne également un procédé de pliage à l'aide d'une telle installation.The invention relates to a folding installation of opening metal profiles comprising at least one module for feeding the profiles to the installation, a module for abutting the profiles, a module for advancing and guiding profiles in the installation, a folding module of the profiles comprising a means for holding shaped profiles during folding comprising a jaw (16, 17) with variable spacing, said jaw forming a first member with variable spacing for keeping shaped profiles and surrounding a second member for holding (23) profiles during folding. The folding module comprises at least two second shaped holding members (23) of the profiles and the second shaped holding members (23) are of variable spacing (F2). The invention also relates to a folding method at the using such an installation.
Description
La présente invention concerne une installation ainsi qu'un procédé de pliage de profilés métalliques d'ouvrants.The present invention relates to an installation and a method of folding metal profiles of openings.
Par ouvrants, on désigne les parties mobiles des fenêtres, portes fenêtres et portes vitrées, que ces ouvrants soient situés à l'intérieur ou à l'extérieur d'un bâtiment. Les profilés métalliques, en général en aluminium, sont destinés à former des cadres, par exemple carrés ou rectangulaires, dans lesquels sont maintenus les parties vitrées des ouvrants. Les dimensions des cadres, tant en termes de largeur, longueur que d'épaisseur sont variables, étant entendu qu'il existe des ouvrants à simple, double, triple ou quadruple vitrages voire plus, ce qui impacte sur l'épaisseur du cadre et donc sur les dimensions des profilés constitutifs de celui-ci.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.
Les profilés utilisés sont, globalement, configurés en section transversale en U à fond plat. La largeur du profilé, donc la largeur du fond, dépend directement de l'épaisseur du cadre, donc du fait que celui-ci est destiné à maintenir un vitrage simple, double ou autre. Les ouvrants, de par leurs formes géométriques sont, par exemple, des parallélogrammes à angle droit. Pour réaliser de tels cadres on plie à angle droit des profilés rectilignes d'une longueur pouvant atteindre six mètres, étant entendu que la largeur courante de ces profilés varie généralement de huit à trente millimètres.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.
Le pliage s'effectue en plusieurs zones définies du profilé qui correspondent aux dimensions, longueur ou largeur, du cadre fini. On connait des installations qui permettent de réaliser, à partir de profilés des cadres pour ouvrants.
Par ailleurs, il est important de réaliser des cadres avec une épaisseur constante tout au long du profilé, en particulier au niveau des coins du cadre. Cela implique que la largeur du profilé, et sa forme géométrique en U, soient préservées sur tout le cadre, sans perte ou déformation du profilé, pour toute les largeurs de profilés couramment rencontrées, étant entendu que les épaisseurs des métaux utilisés pour former les profilés sont standardisées et comprises entre 5 mm et 10 mm. Par ailleurs, une installation de pliage doit être à même d'effectuer des opérations de pliage à une cadence d'au moins un cadre par minute. De plus, une telle installation de pliage doit offrir une adaptabilité suffisante pour plier des profilés de différentes largeurs, pour obtenir des cadres de diverses épaisseurs, cela en minimisant les opérations nécessaires pour adapter l'installation.Furthermore, it is important to make frames with a constant thickness throughout the profile, especially at the corners of the frame. This implies that the width of the profile, and its U-shaped geometric shape, are preserved throughout the frame, without loss or deformation of the profile, for all the widths of profiles commonly encountered, it being understood that the thicknesses of the metals used to form the profiles are standardized and between 5 mm and 10 mm. Furthermore, a folding installation must be able to perform folding operations at a rate of at least one frame per minute. In addition, such a folding installation must offer sufficient adaptability to fold profiles of different widths, to obtain frames of various thicknesses, by minimizing the operations necessary to adapt the installation.
C'est à ces objectifs qu'entend plus particulièrement répondre l'invention en proposant une installation de pliage de profilés métalliques d'ouvrants utilisable pour réaliser des cadres de différentes dimensions et épaisseurs, avec un minimum de pièces, sans changement d'organes sur l'installation et d'un entretien aisé, adapté pour utiliser les différents types de profilés existant.It is to these objectives that 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.
A cet effet, l'invention a pour objet une installation de pliage de profilés métalliques d'ouvrants comprenant au moins un module d'amenée des profilés sur l'installation, un module d'aboutement des profilés, un module d'avance et de guidage des profilés dans l'installation, un module de pliage des profilés comportant un moyen de maintien en forme des profilés lors du pliage comprenant une mâchoire à écartement variable, ladite mâchoire formant un premier organe à écartement variable de maintien en forme des profilés et entourant un second organe de maintien en forme des profilés lors du pliage, un module de finition des cadres et un module de réception des cadres finis, caractérisée en ce que le module de pliage comprend au moins deux seconds organes de maintien en forme des profilés et en ce que les seconds organes de maintien en forme sont à écartement variable.For this purpose, 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.
Grâce à l'invention, le module de pliage comprend des éléments à écartement variable, à savoir la mâchoire et l'organe de maintien, ce qui permet d'adapter, sans changement d'outil, le module de pliage aux diverses largeurs de profilés à plier, cela en couvrant toute l'étendue de la gamme de largeur de profilés couramment rencontrés. L'invention permet ainsi un emploi optimum de l'installation, en préservant les cadences de production et en offrant une adaptabilité optimale. En effet, grâce à l'invention, l'installation de pliage est à même de réaliser jusqu'à au moins 140 cadres par heure.Thanks to the invention, 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.
Selon des aspects avantageux mais non obligatoires de l'invention, une telle installation peut comprendre une ou plusieurs des caractéristiques suivantes:
- les seconds organes de maintien en forme sont globalement de forme triangulaire à côtés asymétriques.
- Les extrémités des seconds organes de maintien en forme sont configurées en ergot ou doigt arrondi à l'extrémité.
- Les doigts sont pourvus chacun d'un lamage ménagé sur une face destinée à être en regard avec une face de la paroi des profilés.
- Les lamages s'étendent de l'extrémité libre de chaque second organe de maintien en forme en direction de la base de celui-ci.
- the second shaped holding members are generally of triangular shape with asymmetrical sides.
- The ends of the second shaped holding members are configured in pin or rounded finger at the end.
- The fingers are each provided with a countersink formed on one face intended to be facing one side of the wall of the profiles.
- The countersink extends from the free end of each second shaped holding member towards the base thereof.
L'invention concerne également un procédé de pliage de profilés métalliques d'ouvrants, à l'aide d'une installation conforme à une quelconque des caractéristiques précédentes, comprenant au moins les étapes suivantes:
- a) amener au moins un profilé sur l'installation à partir d'une installation de stockage de profilés,
- b) abouter les profilés avant leurs introductions dans l'installation,
- c) déplacer et guider les profilés dans l'installation, préalablement à leurs pliages,
- d) plier les profilés pour former des cadres de dimensions prédéfinies,
- e) finir par sciage des profiles les cadres obtenus à l'étape d),
- f) réceptionner et stocker les cadres finis à l'étape e),
- caractérisé en ce qu'avant l'étape d) de pliage, on réalise une étape supplémentaire g) de mise en position des premier et second organes à écartement variable et constitutifs du moyen de maintien en forme des profilés sur les faces internes et externes des profilés.
- a) bringing at least one profile to the installation from a profile storage facility,
- b) butt the profiles before their introduction into the installation,
- c) move and guide the profiles in the installation, prior to their folding,
- d) folding the sections to form frames of predefined dimensions,
- e) finishing by sawing the profiles the frames obtained in step d),
- f) receiving and storing the finished frames in step e),
- characterized in that prior to the folding step d), an additional step g) of placing in position the first and second variable spacing members constituting the shape-keeping means of the profiles on the inner and outer faces of the profiles.
Selon des aspects avantageux mais non obligatoires, un tel procédé peut comprendre au moins une des étapes suivantes :
- lors de l'étape g), on positionne le profilé avant de refermer les joues de la mâchoire constitutive du premier organe de maintien sur les faces externes des parois du profilé.
- lors de l'étape g), le second organe de maintien est positionné entre les parois du profilé lorsque ce dernier est maintenu par le premier organe.
- Avant l'étape g), on écarte les doigts constitutifs du second organe de maintien en forme contre les faces internes des parois du profilé.
- during step g), the profile is positioned before closing the cheeks of the constituent jaw of the first holding member on the outer faces of the profile walls.
- during step g), the second holding member is positioned between the walls of the profile when the latter is held by the first member.
- Prior to step g), the constituent fingers of the second retaining member are separated from the inner faces of the walls of the profile.
L'invention sera mieux comprise et d'autres avantages de celle-ci apparaitront plus clairement à la lecture de la description qui va suivre de plusieurs modes de réalisation de l'invention, donnée à titre d'exemple non limitatif et faite en référence aux dessins suivants dans lesquels:
- la
figure 1 est une vue de face d'une installation de pliage de profilés conforme à un mode de réalisation de l'invention, - la
figure 2 est une vue latérale, selon la flèche II et à une autre échelle de l'installation de lafigure 1 , - la
figure 3 est une vue de face, partielle, à plus grande échelle et centrée sur le module de pliage de l'installation de lafigure 1 , - la
figure 4 est une vue de face, simplifiée et à plus grande échelle du module de pliage seul, - la
figure 5 est une vue de face à plus grande échelle du détail V à lafigure 4 et - la
figure 6 est une vue en perspective, partielle, à partir du haut et à plus grande échelle d'une partie du module de pliage de lafigure 5 .
- the
figure 1 is a front view of a section folding installation according to an embodiment of the invention, - the
figure 2 is a side view, according to the arrow II and to another scale of the installation of thefigure 1 , - the
figure 3 is a front view, partial, on a larger scale and centered on the folding module of the installation of thefigure 1 , - the
figure 4 is a front view, simplified and on a larger scale of the folding module alone, - the
figure 5 is a front view on a larger scale of detail V to thefigure 4 and - the
figure 6 is a perspective view, partially, from the top and on a larger scale of a part of the folding module of thefigure 5 .
La
Les profilés utilisés dans l'installation 1 sont connus en soi. Il s'agit de profilés métalliques, typiquement en aluminium ou en acier inoxydable, à section transversale en U, d'une longueur variant de 3 m à 6 m, d'une largeur compris entre 6 mm et 30 mm pour une hauteur allant de 5 mm à 10 mm. En d'autres termes, l'installation 1 est à même de plier l'ensemble des profilés couramment rencontrés pour former des cadres d'ouvrants, par exemple carré ou rectangulaire. On conçoit qu'une telle installation 1 est à même de plier des profilés pour réaliser des cadres d'une autre forme géométrique que carrée ou rectangulaire, par exemple en triangle.The profiles used in the
L'arrivée des profilés dans l'installation 1 est réalisée à partir de la droite de la
Un premier module constitutif de l'installation 1, en regardant la partie droite de la
Les moyens d'entrainement comportent des courroies d'entrainement, avantageusement en matière synthétique. L'utilisation de courroies en matière synthétique permet d'éviter autant que faire se peut tout marquage du profilé, en particulier lorsque ce dernier est en aluminium. De plus la matière des courroies d'entrainement a un coefficient de friction suffisant pour entrainer les profilés en évitant tout phénomène de ripage. Pour cela, la dureté de la courroie est inférieure à celle du profilé. En sortie du module d'aboutage, sur la gauche en regardant la
Le module d'avance et de guidage 4 comprend, comme le module 2, des plaques de maintien, des courroies d'entrainement, avantageusement également en matériau non agressif pour les profilés, ainsi que des galets 5. Les galets 5 permettent de déplacer précisément les profilés, en les orientant et en les guidant, selon au moins un axe et, dans un autre mode de réalisation non illustré, jusqu'à trois axes XYZ. Pour cela, les plaques de maintien 3 et les galets 5 sont mobiles, avec une course prédéfinie. Des capteurs détectent la position du profilé lors de son entrée dans le module 4 et commandent les déplacements nécessaires des plaques de maintien 3 et des galets 5 pour positionner le profilé en sortie du module 4, avant son entrée dans le module de pliage 6.The module advance and
Le module de pliage 6 est particulièrement illustré aux
En regardant la
A gauche du module 6 en regardant la
Une fois sciés, les cadres finis sont transférés sur une table de réception 11. La table 11 est inclinée par rapport à la verticale. Les cadres sont ensuite évacués vers une zone de stockage et/ou de conditionnement. La table 11 est particulièrement visible aux
Le module de pliage 6 est maintenant décrit en détail. Il comprend un rail 14 de déplacement du profilé. L'avance du profilé est générée et contrôlée par des galets presseurs 15. Le déplacement s'effectue entre les joues parallèles 16, 17 d'une mâchoire de serrage. Ici, la joue 16 est mobile, selon la double flèche F2, par rapport à la joue 17 qui est immobile. De la sorte on éloigne ou on rapproche les joues 16, 17. La mâchoire 16, 17 est constitutive d'un moyen de maintien en forme des profilés lors du pliage. La mâchoire 16, 17 constitue donc un premier organe à écartement variable de maintien en forme des profilés.The
Le module de pliage 6 comprend un organe de pliage 18 positionné dans le prolongement du rail 14. Cet organe 18 est globalement en forme de goulotte aplatie. Ainsi, il peut recevoir différentes largeurs de profilés. L'organe 18 est monté pivotant autour d'un arbre de rotation 19. Le pivotement de l'organe 18 s'effectue selon une direction illustrée par la double flèche F1 entre un point mort bas correspondant à un alignement de l'organe 18 avec le rail 14, comme illustré aux
En l'espèce l'organe 18 peut pivoter jusqu'à environ 140° par rapport au rail 14, selon les angles de liage requis. Le mouvement de pivotement de l'organe 18 autour de l'arbre 19 est assuré par un vérin 20. Ce dernier est situé en arrière du plan de pliage P matérialisé par une plaque d'appui 21, afin de ne pas gêner le déplacement de l'organe 18 et du profilé. Pour cela, le mouvement du vérin 20 est transmis à l'organe 18 par une bielle 22.In this case the
Le module 6 comprend également au moins deux organes de maintien en forme 23 des profilés. Avantageusement, le nombre d'organes 23 est de deux. En variante non illustré, le nombre est supérieur, par exemple de trois. Les organes 23 sont également constitutifs du moyen de maintien en forme des profilés lors du pliage et définissent un second organe à écartement variable de maintien en forme des profilés.The
Les organes 23 ont pour objet de maintenir en forme, à partir de l'intérieur du profilé, les parois et le fond du profilé lors du pliage, afin de préserver le parallélisme de parois latérales du profilé et la constance de l'épaisseur, en évitant toute déformation du profilé et/ou étirement de matière lors du pliage. Par ailleurs, les organes 23 définissent un point d'appui pour le pliage du profilé par l'organe 18. De facto, la position des organes 23 définit également la zone où le pliage est effectué sur le profilé.The purpose of the
Comme cela ressort particulièrement aux
Les organes 23 sont globalement de forme triangulaire. Ils sont fixés par leurs grandes bases 25 sur une extrémité 26, en l'espèce correspondant à la largeur, de chaque platine 24. Ainsi, les organes 23 sont situés dans le prolongement de platines 24. La fixation est avantageusement réalisée de manière définitive, par soudage, usinage ou autre technique connue en soi.The
Les extrémités libres 27 des organes 23 sont identiques. Elles sont configurées en ergot ou doigt arrondi à son extrémité libre, avec des côtés 270, 271 asymétriques et à section transversale rectangulaire. En variante, la section transversale est différente, par exemple carrée. Par la suite, le terme doigt sera préférentiellement utilisé.The free ends 27 of the
Les doigts 27 ont chacun une face 28 en regard de la face 28 correspondante de l'autre doigt 27. Les faces 28 sont planes, de sorte à ce que les doigts 27 de chaque organe 23 puissent être en contact mutuel par leurs faces 28 respectives. Dans cette configuration, illustrée à la
Les faces opposées 29 aux faces 28 de chaque doigt 27 sont pourvues chacune d'un lamage 30 identique. Chaque lamage 30 est réalisé sur la largeur du doigt 27 et sur toute la longueur du petit côté 271 du doigt 27.The opposite faces 29 to the
Les platines 24, et donc les organes 23, peuvent s'écarter par déplacement en translation selon la double flèche F2 le long d'un arbre 31 solidaire d'une pièce 32, sous l'action d'un vérin 33 visible aux
La pièce 32, qui de facto forme le support du second organe à écartement variable de maintien en forme des profilés, est montée mobile en translation selon la double flèche F3.La pièce 32 est maintenue sur un arbre 34. Ainsi, on peut rapprocher et éloigner les doigts 27 des profilés lorsque ces derniers sont en position sur l'organe de pliage 18.The
Le procédé de pliage avec une installation de pliage telle que décrite précédemment et conforme à l'invention est maintenant décrite en référence aux diverses figures.The folding method with a folding installation as described above and in accordance with the invention is now described with reference to the various figures.
La première étape est l'alimentation en profilés de l'installation, cela de manière continue et contrôlée. Pour cela, un module d'amenée assure le transfert des profilés depuis une installation de stockage jusqu'à l'installation 1.The first step is the supply of profiles of the installation, in a continuous and controlled way. For this, a feed module ensures the transfer of profiles from a storage facility to
L'étape suivante consiste, avec le module d'aboutage 2, à abouter les profilés de sorte à obtenir un profilé de longueur, si ce n'est infini, égale à la longueur cumulée de tous les profilés présents dans l'installation de stockage, avant réapprovisionnement de cette dernière en profilés.The next step is, with the
Après la prise en charge par le module de déplacement et le marquage, optionnel, des profilés dans le module de marquage 7, les profilés sont introduits dans le module de pliage 6. Cette étape peut être décomposée en plusieurs sous-étapes.After the support of the displacement module and the marking, optional, of the profiles in the
Tout d'abord, on écarte la joue 16 de la joue 17 du premier organe de maintien en forme des profilés, donc de la mâchoire. Ce mouvement s'effectue soit avant soit après soit concomitamment à un mouvement initial du second organe de maintien à écartement variable. A ce stade, les doigts 27 sont en position distale par rapport aux profilés.First, the
Les écartements des premier et second organes de maintien sont supérieurs à la largeur du profilé à plier. Ainsi, on fait avancer le profilé en position entre les joues 16, 17 de la mâchoire. Une fois le profilé en place, on rapproche la joue 16 de la joue 17 de sorte que les joues 16, 17 sont en contact avec les faces externes des parois du profilé. Ce contact est réalisé de sorte qu'il soit suffisant pour maintenir les parois du profilé en U, en évitant toute ouverture de celui-ci par écartement des branches du U constitutif du profilé. La force de serrage des joues 16, 17 doit être adaptée afin de ne pas marquer et/ou déformer le profilé.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
Une fois la mâchoire en position, on fait avancer la pièce 32, selon F3, afin d'amener les organes 23, plus précisément les doigts 27, en position dans l'espace défini entre les branches du U du profilé. Avantageusement, les doigts 27 ont préalablement été écartés l'un de l'autre jusqu'à ce que la face 29 de chaque doigt 27 soit en contact avec une face interne en regard des parois du profilé. Dans un autre mode de réalisation de l'invention, les doigts 27 sont écartés postérieurement à leur mise en place dans le profilé. De la sorte, chaque branche du U constitutif du profilé, donc les parois latérales de celui-ci, est maintenue tant sur l'extérieur que sur l'intérieur par respectivement les premier et second organes de maintien, à savoir les joues 16,17de la mâchoire et les doigts 27. Le maintien est suffisant pour éviter toute déformation des parois du profilé lors de son pliage, ce qui assure le maintien d'une largeur de profilé constante, sans étirement de matière au niveau de la paroi du profilé et sans réalisation de pli de matière.Once the jaw is in position, it advances the
La forme géométrique des doigts 27 permet, d'une part, par le lamage 30 de dégager une zone pour la partie pliée du profilé et, d'autre part, par la présence d'une partie légèrement bombée sur la face 29 du doigt 27 dans la zone dépourvue de lamage 30, d'initier un pliage, par exemple à angle droit, du profilé sans générer de bourrelet au niveau du pliage.The geometrical shape of the
Lorsque le profilé est plié, la pièce 32 se déplace en translation en sens inverse, selon la double flèche F3 afin de dégager les organes 23 du profilé. La joue 16 s'écarte de la joue 17 et les galets 19 assure le déplacement du profilé plié, donc de facto du cadre ainsi réalisé jusqu'à un module de finition 9. Les portions de profilés non pliés et situées en dehors du cadre sont sciées, de sorte à obtenir un cadre selon une forme et des dimensions définies. Les chutes de profilés ainsi obtenues sont avantageusement aboutées pour former des profilés qui sont remis soit dans une installation de stockage en vue d'une utilisation ultérieure soit réintroduits dans l'installation de pliage 1, en vue d'un nouveau cycle de pliage.When the profile is folded, the
Les cadres finis sont encore ouvert afin de recevoir le vitrage. Ils sont évacués sur la table 11 puis dirigés soit vers une zone de stockage et/ou d'emballage dans le cas d'une utilisation ultérieure ou en un autre endroit, soit orientés vers une chaine de montage des ouvrants dans le cas d'une utilisation immédiate.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.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL18207959T PL3495067T3 (en) | 2017-12-06 | 2018-11-23 | Device and method for bending wing metal profiles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1761724A FR3074434B1 (en) | 2017-12-06 | 2017-12-06 | INSTALLATION AND METHOD FOR FOLDING METAL SHEET PROFILES |
Publications (2)
Publication Number | Publication Date |
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EP3495067A1 true EP3495067A1 (en) | 2019-06-12 |
EP3495067B1 EP3495067B1 (en) | 2020-07-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18207959.0A Active EP3495067B1 (en) | 2017-12-06 | 2018-11-23 | Device and method for bending wing metal profiles |
Country Status (4)
Country | Link |
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EP (1) | EP3495067B1 (en) |
ES (1) | ES2823486T3 (en) |
FR (1) | FR3074434B1 (en) |
PL (1) | PL3495067T3 (en) |
Citations (4)
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 (en) * | 1998-08-29 | 2000-03-08 | Bayer Isolierglas- und Maschinentechnik GmbH | Method and device for bending a hollow profile for making a spacer frame for insulating glazing |
EP1285708A1 (en) | 2001-08-20 | 2003-02-26 | Peter Lisec | Method and apparatus for bending hollow profiles for spacers for insulated glazing panels |
EP2862644A1 (en) | 2013-10-17 | 2015-04-22 | Forel Spa | Automatic machine and automatic method for bending and calendering spacer profiles to obtain spacer frames for an insulating glazing unit |
-
2017
- 2017-12-06 FR FR1761724A patent/FR3074434B1/en not_active Expired - Fee Related
-
2018
- 2018-11-23 EP EP18207959.0A patent/EP3495067B1/en active Active
- 2018-11-23 PL PL18207959T patent/PL3495067T3/en unknown
- 2018-11-23 ES ES18207959T patent/ES2823486T3/en active Active
Patent Citations (4)
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 (en) * | 1998-08-29 | 2000-03-08 | Bayer Isolierglas- und Maschinentechnik GmbH | Method and device for bending a hollow profile for making a spacer frame for insulating glazing |
EP1285708A1 (en) | 2001-08-20 | 2003-02-26 | Peter Lisec | Method and apparatus for bending hollow profiles for spacers for insulated glazing panels |
EP2862644A1 (en) | 2013-10-17 | 2015-04-22 | Forel Spa | Automatic machine and automatic method for bending and calendering spacer profiles to obtain spacer frames for an insulating glazing unit |
Also Published As
Publication number | Publication date |
---|---|
ES2823486T3 (en) | 2021-05-07 |
FR3074434B1 (en) | 2019-11-15 |
PL3495067T3 (en) | 2021-05-04 |
FR3074434A1 (en) | 2019-06-07 |
EP3495067B1 (en) | 2020-07-29 |
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