EP3031547B1 - Procede et dispositif de fabrication d'un raccord d'angle - Google Patents

Procede et dispositif de fabrication d'un raccord d'angle Download PDF

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Publication number
EP3031547B1
EP3031547B1 EP15193902.2A EP15193902A EP3031547B1 EP 3031547 B1 EP3031547 B1 EP 3031547B1 EP 15193902 A EP15193902 A EP 15193902A EP 3031547 B1 EP3031547 B1 EP 3031547B1
Authority
EP
European Patent Office
Prior art keywords
tool
corner
miter
hollow profile
corner angle
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.)
Not-in-force
Application number
EP15193902.2A
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German (de)
English (en)
Other versions
EP3031547A1 (fr
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.)
Rotox Besitz und Verwaltungs GmbH
Original Assignee
Rotox Besitz und Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rotox Besitz und Verwaltungs GmbH filed Critical Rotox Besitz und Verwaltungs GmbH
Publication of EP3031547A1 publication Critical patent/EP3031547A1/fr
Application granted granted Critical
Publication of EP3031547B1 publication Critical patent/EP3031547B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D53/745—Joining mitred profiles comprising punching the profiles on a corner-angle connecting piece
    • 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
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/964—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces
    • E06B3/968—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members
    • E06B3/976—Corner joints or edge joints for windows, doors, or the like frames or wings using separate connection pieces, e.g. T-connection pieces characterised by the way the connecting pieces are fixed in or on the frame members by deformation of the frame members
    • E06B3/9765—Mitre joints

Definitions

  • the invention relates to a method and an apparatus for producing the corner joint of metal frame for windows or doors, in which two hollow profile rods are joined together via a miter cut and interconnected by a arranged in the hollow profile bars corner angle according to the preamble of claim 1 (see, eg DE-A1-21 46 570 ).
  • the invention further relates to an apparatus for carrying out this method according to the preamble of claim 5.
  • a punching head for corner connecting machines is provided for connecting hollow profile parts with corner angles arranged therein.
  • the punching head has a first and a second displaceably arranged punching body each with a punching knife.
  • a basic adjustment of the machine takes place.
  • the corner bracket is inserted into a receptacle of the machine.
  • a punching body is positioned and then locked in such a way that the punching knife is correctly punched into the Eckwinkelnut the corner angle.
  • the second punch body is adjusted according to the measured distance on the hollow profile and also locked.
  • the corresponding material wall thickness of the hollow profile can be set on the recording and inserted to be pressed hollow sections with the corner angles in the recording.
  • corner bracket, method and apparatus for joining the corners of window and door frames made of metal hollow profile bars For example, there are known a corner bracket, method and apparatus for joining the corners of window and door frames made of metal hollow profile bars.
  • the corner angle is used with its two legs in the open ends of the profile bars, wherein the side surfaces of the legs have transverse recesses into which parts of the profile wall are pressed by pressing tools.
  • each leg of the corner angle associated pressing tools are driven synchronously.
  • a disadvantage of the known corner joint presses that manufacturing tolerances of the corner angle and the hollow profile lead to an inaccurate position of the corner angle to the tool. When pressing hollow profile and corner angle, it may therefore come to a loose connection in which the miter gaping. In addition, it can lead to visually undesirable damage to the profile wall and / or the anodization during pressing on the opposite side of the profile of the tongue when the embossing tool does not exactly engage in the notch of the corner connector.
  • the invention is therefore based on the object to provide a method and an apparatus for producing metal frames for windows or doors according to the preamble of claim 1 and of claim 5, in which a backlash-free, non-positive or positive corner connection is formed and visually undesirable damage be avoided at the profiles in the production of the metal frame.
  • a method for producing the corner connection of metal frames for windows or doors in which two hollow profile bars, in particular aluminum profile bars and / or open sectional bars, are joined together via a miter cut and interconnected by a corner angle arranged in the hollow profile bars.
  • the corner angle is provided with recesses, in particular notches or grooves, in which from the hollow profile bars by means of at least one tool previously cut tabs are pressed.
  • a tab is cut by means of the at least one tool in the profile wall of the hollow profile bar.
  • the tool is retracted after cutting the tab and moved by an offset in the recording parallel to the profile longitudinal axis in the direction of miter or parallel to the miter towards the frame outer corner.
  • it may be preceded by further steps is carried out by lowering the tool embossing of the tab in the recess, so that the free end of the tab along a slope of the recess or the notch of the corner angle pressed under deformation of the free end becomes and thereby one Force component is exerted on the corner angle in the direction opposite to the miter.
  • the free end of the tab is pressed under deformation of the free end, for example, to form a bead, along the slope of the recess of the corner angle.
  • the tab is wedged in the recess by the material of the tab is pressed against the slope of the recess.
  • the tab which is still in the region of the depression during the cutting process, is inserted into the depression during the actual embossing or pressing process, for example, forming the bead, where it is wedged. This creates a particularly strong connection of the hollow profiles with each other over the respective leg of the corner angle.
  • Possible manufacturing tolerances are compensated for by the plasticity of the tab material, by using the material of the tab as a kind of filler and displacing it in the direction of the bevel in the recess of the corner angle.
  • embossing or wedging the tab is used to move the corner angle in its final position and hold there.
  • the cutting edge of the tab is pressed against the slope of the recess of the corner angle and pushes the corner connector in the end position. In this case, a force is exerted on the respective leg of the corner angle, so that the miter of the two profiles remains firmly closed.
  • the offset is between 0.1 and 1.0 mm, preferably 0.5 mm. It has been found that the values for the profiles and materials which are usually to be machined are particularly favorable for bead formation, without there being any high forces and associated renewed damage to the hollow profiles during the production of the corner joint.
  • the at least one tool is moved perpendicular to the surface of the hollow profile or approximately parallel to the slope of the recess of the corner angle.
  • the two hollow profiles of the respective compassionecks are connected simultaneously with the corner angle by the each hollow profile associated tool when cutting the tabs, the rear hub, the process of the offset and lowering for embossing the tab is moved in the recess of the corner angle by a common drive. Due to the one common drive, a synchronous drive of the individual tools is possible by synchronously carrying out the individual work steps in the production of the frame corner. This reduces fault tolerances and increases the accuracy and strength of the connection.
  • the assembly time is optimized by only one drive for multiple tools. In addition to lower cycle time, the manufacturing costs of the device can also be reduced.
  • a device is provided, in particular for carrying out the described method.
  • the advantages achieved by the method apply in the same way for the sibling device claim.
  • the tool is formed as a punching tool with respect to the surface of the hollow profile rod to be machined edge and an obliquely extending free surface, which together form a cutting edge of the tool.
  • This advantageous embodiment of the tool as a punching tool efficient production of the tab is possible because the surface of the hollow profile is easy to pierce. Because due to the formation of the cutting edge in the form of the vertical edge and the obliquely extending free surface initially acts only the tip of the cutting edge on the surface of the hollow profile and pierces it.
  • the tab is formed. After a subsequent rearward stroke, the at least one tool is then moved from an initial position by an offset to an end position. Then, the formed tab is pressed according to the slope of the free surface in the recess and finally, for example, to form a bead, embossed. This creates the firm connection between the leg of the corner angle and the associated hollow profile.
  • the free surface extends substantially parallel to the adjoining the slope portion of the recess.
  • the section can also be designed just. Due to the design of the free surface is given a defined position of the tab in the recess, whereby the force component resulting on the legs of the corner angle this leg so moves into the respective hollow sections that the miter is closed and a particularly good hold of the hollow sections is given.
  • each hollow profile of a frame corner is assigned at least one, preferably in each case two, tools.
  • the tool can also be designed as a double tool, wherein each part tool has a cutting edge, which is formed of flank and free surface. Due to the design of the tools as a double tool an increased holding force of the corner joint is given.
  • the at least one tool has an obliquely directed away from the miter of the hollow profile rod to be machined shank on. Due to the obliquely directed away shaft, the tool is moved obliquely to the surface of the hollow profile, so that the edge or the cutting edge of the tool during cutting as well as the embossing or wedging is moved approximately parallel to the slope of the recess of the corner angle.
  • the distance between the cutting edge or edge of the tool and bevel remains approximately the same, which is deformed compared to the embodiment with vertical stroke of the tool on the tread surface more material of the tab and, for example, a larger bead formation is possible, allowing greater tolerance compensation. This results in a larger force component compared to the vertical stroke on the corner angle and thus a firmer corner joint.
  • the tools provided for machining the two hollow profiles of a frame corner are arranged on a common tool holder which can be moved parallel to the miter of the frame corner on at least one guide. This ensures a synchronous movement of several tools. By a single drive the manufacturing cost of the machine are lower. In addition, there is a lower cycle time, which saves production costs.
  • the tool holder together with the guide at a perpendicular to a receiving plane is held for the frame corner movable traverse.
  • FIG. 1 the device for producing a corner joint of metal frame of hollow profiles 1 for windows or doors is shown in an exploded view.
  • a frame corner 20 consists of two mitred 2 cut hollow sections 1, which are connected to each other by means of a corner angle 3.
  • Each leg of the corner bracket 3 has at least one recess 4, which is formed in the embodiment selected here as a notch or throat.
  • the notch or throat has a bevel 12 and a section 13 adjoining the bevel 12.
  • the two mitered 2 hollow sections 1 are each pushed onto a leg of the corner angle 3 together and inserted into the device for producing the corner joint and fixed with a clamping device 24.
  • the device in each case has a tool 5 assigned to a hollow profile 1 of the frame corner 20, which in the present case is designed as a double tool with a flank 15 and an open surface 16 which define a cutting edge 6.
  • each hollow section 1 of a frame corner 20 at least one, preferably two tools 5 assigned.
  • FIG. 2 shows the attachment of the tools 5 to a common tool holder 19, which is arranged parallel to the miter 2 of the frame corner 20 on at least one guide 21 in the machine movable.
  • the tool holder 19 are held together with the guide 21 on a perpendicular to a receiving plane 22 for the frame corner 20 traversable traverse 23.
  • FIG. 3 is an already assembled frame corner 20 with outer corner 18 in a view from above, from the direction of the tools 5 shown.
  • the tools 5 are moved by an offset d by being moved from a starting position to an end position.
  • FIG. 4 is a temporal sequence of the steps for producing a corner joint of metal frame of hollow sections 1 for windows or doors shown in a schematic representation.
  • metal frame two hollow profile bars 1 are joined together via a miter cut and by a in the Hollow section bars arranged corner angle 3 connected together.
  • corner angle 3 For the production of a finished frame, therefore, a total of four of these production steps are required.
  • FIG. 4a shows a first step for producing a corner joint.
  • two hollow sections 1 to be joined in each of which one leg of the corner angle 3 is located, are positioned and fixed in a receiving plane 22 of the assembly table. This is done by the two previously cut miter 2 hollow sections 1, in which previously the legs of the corner angle 3 were inserted, placed on the receiving plane 22 and fixed by means of a clamping device 24.
  • the at least one tool 5 or the double tool is designed as embossing or punching tool.
  • FIGS. 4a to 4f an embodiment with a tool 5 with a substantially perpendicular to the profile longitudinal axis 7 aligned shaft 17 of the tool 5 is shown.
  • the tool 5 can also have a shank 17 directed obliquely away from the miter of the hollow profile rod 1 to be machined.
  • This alternative embodiment is in the FIGS. 6 and 7 shown.
  • FIGS. 7a and b are corresponding detailed representations
  • the tool 5 is moved obliquely to the surface 14 of the hollow profile 1, so that the edge 15 and the cutting edge 6 of the tool 5 during cutting as well as the embossing or wedging is moved approximately parallel to the slope 12 of the recess 4 of the corner 3 ,
  • the distance between the cutting edge 6 and edge 15 of the tool 5 and bevel 12 thus remains approximately the same.
  • FIG. 7b shown detail view of the area D shows. This results in a larger force component compared to the vertical stroke on the corner 3 and thus a firmer corner joint.
  • the tool holder 19 with the associated tools 5 is movable parallel to the miter 2 according to the embodiment chosen here.
  • a control or regulating device detects the region of the slope 12 of the recess 4 of the corner angle 3 and moves the tool 5 in the region of the slope 12th
  • FIG. 4b shows the positioning of the tool 5 with the flank 15 on the surface 14 of the hollow profile 1, preferably in the region of the transition of the flat surface of the corner angle 3 to the recess 4 of the corner 3. It should be noted at this point that the flank 15 does not have to be positioned exactly at the edge of the transition of the flat surface of the corner angle 3 to the recess 4.
  • FIG. 5a shows an enlarged detail view of this step according to Figure 4c ,
  • FIG. 5a between 0.1 and 1.0 mm, preferably offset by about 0.5 mm.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)

Claims (11)

  1. Procédé de fabrication du raccord d'angle de châssis métalliques pour fenêtres ou portes, dans lequel deux tiges de profilé creux (1), notamment des tiges de profilé en aluminium et/ou des tiges de profilé ouvertes, sont assemblées via une section d'onglet et reliées en elles via une cornière d'angle (3) disposé dans les tiges de profilé creux (1), la cornière d'angle (3) étant pourvu d'évidements (4), notamment d'encoches, dans lesquels des brides (9) précédemment découpées à partir des tiges de profilé creux (1) à l'aide d'au moins un outil (5) sont comprimées, une bride (9) étant coupée dans la paroi de profilé (8) de la tige de profilé creux (1) au cours d'une première étape à l'aide de l'au moins un outil (5), caractérisé en ce qu'au cours d'une étape supplémentaire, l'outil (5) est retiré après avoir coupé la bride (9) et déplacé d'un déport d dans la région du logement (4) s'étendant parallèlement à l'axe longitudinal de profilé (7) en direction de l'onglet (2) ou parallèlement à l'onglet (2) en direction du coin extérieur du châssis (18), de sorte que lors d'une étape suivante, une frappe de la bride (9) dans l'évidement (4) se produit par abaissement de l'outil (5), de sorte que l'extrémité libre (10) de la bride (9) est comprimée le long d'une oblique (12) de l'évidement (4) du cornière d'angle (3) par déformation de l'extrémité libre (10) et en l'occurrence qu'une composante de force s'exerce sur la cornière d'angle (3) dans la direction opposée à l'onglet (2).
  2. Procédé selon la revendication 1, caractérisé en ce que le déport d a une valeur comprise entre 0,1 et 1,0 mm, de préférence de 0,5 mm.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'au moins un outil (5) est déplacé perpendiculairement à la surface (14) du profilé creux (1) ou approximativement parallèlement à l'oblique (12) de l'évidement (4) du cornière d'angle (3).
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux profilés creux (1) du coin de châssis (20) respectif sont reliés simultanément au cornière d'angle (3) en déplaçant par un entraînement commun les outils (5) associés à chaque profilé creux (1) lors de la découpe des brides (6), lors de la course en arrière, lors du déplacement sur le déport d et lors de l'abaissement pour la frappe de la bride (9) dans l'évidement (4).
  5. Dispositif de fabrication de châssis métalliques pour fenêtres ou portes, dans lequel deux tiges de profilé creux (1), notamment des tiges de profilé en aluminium et/ou des tiges de profilé ouvertes, sont assemblées via une section d'onglet (2) et reliées entre elles via une cornière d'angle (3), la cornière d'angle (3) étant pourvu respectivement d'une oblique (12) comportant des évidements (4), notamment des encoches, dans lesquels les brides (9) découpées à partir des tiges de profilé creux (1) sont précédemment comprimées à l'aide d'au moins un outil (5), notamment pour la mise en oeuvre du procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un dispositif de commande ou de réglage est prévu pour un coulissement de l'outil (5) sur un déport d dans la région du logement (4), parallèlement à l'axe longitudinal de profilé (7) en direction de l'onglet (2) ou parallèlement à l'onglet (2) en direction du coin extérieur du châssis (18), ledit dispositif détectant la région d'une oblique (12) de l'évidement (4) du cornière d'angle (3) et étant conçu pour déplacer de façon correspondante l'outil (5) jusque dans la région de l'oblique (12) ou à l'intérieur de celle-ci.
  6. Dispositif selon la revendication 5, caractérisé en ce que l'outil (5) est réalisé sous la forme d'un outil d'estampage avec un flanc (15) perpendiculaire à la surface (14) de la tige de profilé creux (1) à traiter et avec une surface libre (16) s'étendant à cette fin de façon oblique et formant ensemble une arête tranchante (6) de l'outil (5).
  7. Dispositif selon la revendication 6, caractérisé en ce que la surface libre (16) s'étend pour l'essentiel parallèlement à la section (13), suivant l'oblique (12), de l'évidement (4).
  8. Dispositif selon l'une quelconque des revendications 5 à 7, caractérisé en ce que chaque profilé creux (1) d'un coin de châssis (20) est associé à au moins un, de préférence respectivement deux, outils (5).
  9. Dispositif selon l'une quelconque des revendications 5 à 8, caractérisé en ce que l'au moins un outil (5) comporte un manche (17) s'écartant de façon oblique de l'onglet (2) de la tige de profilé creux (1) à traiter.
  10. Dispositif selon l'une quelconque des revendications 5 à 9, caractérisé en ce que les outils (5) prévus pour traiter les deux profilés creux (1) d'un coin de châssis (20) sont disposés au niveau d'un porte-outil (19) commun pouvant être déplacé parallèlement à l'onglet (2) du coin de châssis (20) au niveau d'au moins un guide (21).
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le porte-outil (19) est maintenu conjointement avec le guide (21) contre une traverse (23) se déplaçant perpendiculairement à un plan de logement (22) prévu pour le coin de châssis (20).
EP15193902.2A 2014-12-10 2015-11-10 Procede et dispositif de fabrication d'un raccord d'angle Not-in-force EP3031547B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014118368.1A DE102014118368B3 (de) 2014-12-10 2014-12-10 Verfahren und Vorrichtung zum Herstellen einer Eckverbindung

Publications (2)

Publication Number Publication Date
EP3031547A1 EP3031547A1 (fr) 2016-06-15
EP3031547B1 true EP3031547B1 (fr) 2016-12-07

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Application Number Title Priority Date Filing Date
EP15193902.2A Not-in-force EP3031547B1 (fr) 2014-12-10 2015-11-10 Procede et dispositif de fabrication d'un raccord d'angle

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DE (1) DE102014118368B3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2961340T3 (es) 2016-03-15 2024-03-11 Rotox Holding Gmbh & Co Kg Dispositivo y método para unir partes de perfil
DE102016104785A1 (de) 2016-03-15 2017-09-21 Rotox Besitz-Und Verwaltungsgesellschaft Mbh Vorrichtung und Verfahren zum Verbinden von Profilteilen
DE102018112747A1 (de) 2018-05-28 2019-11-28 Rotox Besitz-Und Verwaltungsgesellschaft Mbh Vorrichtung und Verfahren zum Verbinden von Profilteilen
CN110976669A (zh) * 2019-12-03 2020-04-10 河北古桥门窗有限公司 门窗组角系统调刀器
CN114918700B (zh) * 2022-07-21 2022-09-30 江苏天一门窗有限公司 一种门窗框架生产加工设备
CN117226486B (zh) * 2023-11-13 2024-02-02 佛山市粤金海机械设备有限公司 一种铝型材自动装框设备

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US2861659A (en) * 1956-12-10 1958-11-25 Adlake Co Corner joint
DE2015414C3 (de) * 1970-04-01 1974-01-17 Schenning, Theodor Karl Peter, 3380 Goslar Vorrichtung zum Verbinden zweier an ihren Enden auf Gehrung geschnittener Metallprofile zu einer Rahmenecke
DE2146570A1 (de) * 1971-03-18 1972-10-05 Fa. Hubert Butterwegge, 3531 Dössel Vorrichtung zum Herstellen einer Eckverbindung. Ausscheidung aus: 2113026
DE2648055A1 (de) * 1976-10-23 1978-04-27 Waldemar Kinnl Fa Vorrichtung zur erstellung von rahmeneckverbindungen
DE2739731A1 (de) * 1977-09-03 1979-03-15 Johann Fritsch Eckwinkel, verfahren und vorrichtung zum verbinden der ecken von fenster- und tuerrahmen
DE4307893A1 (de) * 1993-03-12 1994-09-15 Pressta Eisele Gmbh Stanzkopf für Eckverbindungsmaschinen
DE19532564A1 (de) * 1995-09-04 1997-03-06 Pressta Eisele Gmbh Eckverbindungspresse zum Herstellen von Metallrahmenn

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EP3031547A1 (fr) 2016-06-15

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