EP1872904A1 - Device for machining construction elements - Google Patents

Device for machining construction elements Download PDF

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Publication number
EP1872904A1
EP1872904A1 EP07356072A EP07356072A EP1872904A1 EP 1872904 A1 EP1872904 A1 EP 1872904A1 EP 07356072 A EP07356072 A EP 07356072A EP 07356072 A EP07356072 A EP 07356072A EP 1872904 A1 EP1872904 A1 EP 1872904A1
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EP
European Patent Office
Prior art keywords
machining
tool
machining tool
axis
elements
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Granted
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EP07356072A
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German (de)
French (fr)
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EP1872904B1 (en
Inventor
Daniel Ancrenaz
Denis Mugnier
Jean Marie Lemaire
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Quadra 1 SAS
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Quadra 1 SAS
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Publication of EP1872904A1 publication Critical patent/EP1872904A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools

Definitions

  • the invention relates to a device for machining construction elements.
  • the construction elements of block type made of agglomerated concrete may, according to the known manufacturing methods, have irregularities in height according to a tolerance, which, according to one example, may be of the order of plus or minus 2 mm over a length 190 mm.
  • devices for machining construction elements comprising at least one machining station comprising at least one machining tool, intended for machining at least one face of an element of construction, at least two bearing surfaces on the construction element as well as means for advancing the construction elements.
  • the bearing surfaces are arranged horizontally, the lateral machining surfaces of the building elements being arranged vertically.
  • the invention therefore aims to remedy these drawbacks by proposing a device for machining construction elements that does not require such a pre-handling operation.
  • the invention relates to a device for machining construction elements, comprising at least one machining station comprising at least one machining tool, intended for machining at least one face of a machine.
  • construction element at least two bearing surfaces on the construction element, means for advancing the construction elements, characterized in that the device comprises lower and upper bearing surfaces, a first machining tool being arranged at the lower bearing surface and driven in rotation about an axis perpendicular to this surface, the first tool machining unit having a machining surface of substantially annular shape, the device further comprising a fixed table, intended to support the lower face of the construction element, disposed in the center of the first machining tool.
  • the invention then makes it possible to machine the construction elements from their original position on the pallets, without requiring a delicate handling operation consisting in turning each of the construction elements.
  • the support of the construction element is provided by the table during machining.
  • the upper face of the table is substantially disposed in the machining plane of the tool.
  • the fixed table is substantially circular in shape, the axis of the table corresponding substantially to the axis of the tool.
  • the machining plane of the tool is offset relative to the lower bearing surface located upstream of the tool in the direction of advance of the construction elements, towards the upper support surface.
  • the offset then sets the cutting height of the machining device.
  • the machining device comprises a second machining tool for machining the upper face of the construction element, the second machining tool being rotated about an axis perpendicular to the face. lower support.
  • the axis of rotation of the second machining tool is offset relative to the axis of rotation of the first machining tool, in the direction of advance of the construction elements.
  • the second machining tool is disposed downstream of the first machining tool, in the direction of advance of the construction elements.
  • the first machining tool is of smaller diameter than the second machining tool.
  • the upstream end of the machining surface of the first machining tool is offset relative to the upstream end of the machining surface of the second machining tool, the offset being greater than or equal to the length of the construction element in the direction of advance.
  • downstream end of the machining surface of the first machining tool is disposed facing the downstream end of the machining surface of the second machining tool.
  • the upper bearing surface is defined by pressing elements, such as rollers.
  • the machining device comprises additional bearing surfaces, substantially perpendicular to the lower and upper bearing surfaces.
  • Figures 1 and 2 show a device for machining building elements 1.
  • These elements are, for example, blocks 1 of agglomerated concrete and are of substantially parallelepiped shape.
  • the machining device comprises a fixed frame 2 defining mainly three successive stations, namely a loading station 3, a machining station 4 and an unloading station 5.
  • the loading station 3 comprises a first fixed table 6 on which the blocks 1 are arranged in packets, for example 5 or 10 blocks, which corresponds to a half-stage or a stage of a pallet.
  • the table 6 is of elongated general shape, the axis of the table being defined by the direction of advance of the blocks 1. This forms a lower bearing surface at the loading station.
  • the arrangement of the blocks 1 on the first fixed table 6 is identical to the arrangement of these on the pallet.
  • the faces to be machined 7, 8 are arranged substantially horizontally, the lower face 7 coming to rest against the first fixed table 6.
  • the machining device further comprises feed means 9 for the successive transport of the blocks 1 in each of the three stations 3, 4, 5 of the device. It comprises two side chains 10, driven by an electric motor, disposed respectively on either side of the first fixed table 6.
  • a pusher 11, arranged transversely to the axis of the table 6, is fixed to each of the two side chains 10, so that their simultaneous actuation drives the pusher 11 in the direction of advance, represented by an arrow in the drawing. .
  • the pusher 11 When the pusher 11 comes into abutment with the block located upstream, it drives all the blocks 1 arranged in the loading station 3 towards the machining station 4.
  • the advance of the blocks 1 can be performed in steps or continuously.
  • the machining station 4 is shown more particularly in FIGS. 2 and 3.
  • the first machining tool 12 is rotated about an axis A perpendicular to the bearing surface defined by the first fixed table 6, via an electric motor 14.
  • the tool 12 is of the type bell tool and has a machining surface of substantially annular shape.
  • the machining plane defined by the maximum height of the cutting elements of the tool is offset relative to the bearing surface defined by the first fixed table 6, the offset defining the cutting height h 1 of the lower face 7.
  • the first fixed table 6 thus forms a reference, generally called marble.
  • the position of the tool 12 along its axis of rotation A is adjustable so as to be able to modify the cutting height h 1 and to compensate for the wear of the tool.
  • a second fixed table 15 of substantially cylindrical shape is disposed at the center of the first machining tool 12, the axis of the second table 14 substantially corresponding to the axis of rotation A of the tool.
  • Pressure rollers 16 appearing more particularly in FIG. 3, are arranged facing the first machining tool and define an upper bearing surface. These rollers 16 make it possible to maintain the corresponding block 1 during the machining of its lower face 7.
  • the blocks which, at the loading station, bear only on their lower face 7, are, at the level of the machining station, brought to bear on each of their lower face 7 and upper face 8 respectively against the first table fixed 6 and against the pressure rollers 16.
  • the lower face 7 of the blocks 1 enters the machining area of the first tool 12. Then, after machining by the annular tool 12, the block 1 comes to rest against the second fixed table 15, disposed in the continuity of the first 6. The second fixed table then defines a lower bearing surface at the machining station.
  • the latter is also equipped with a second tool 13 for machining the upper face 8 of the blocks 1.
  • this tool 13 is rotated by an electric motor 17 along an axis B parallel to the axis of rotation A of the first machining tool 12.
  • the position of the second tool 13 is adjustable, so as to be able to change the cutting height h 2 of the upper face 8 of the blocks 1, and to compensate for the wear of the tool 13.
  • the axes of rotation A, B of the two tools 12, 13 are offset, so that the second machining tool 13 is disposed downstream of the first machining tool 12, in the direction of advance of the construction elements 1, and that the downstream end of the machining surface of the first tool 12 is disposed facing the downstream end of the machining surface of the second tool 13.
  • the first machining tool 12 is of smaller diameter than the second machining tool 13, the difference in respective diameter between the first 12 and the second 13 machining tool being greater than or equal to the length of the construction elements 1 following the direction in advance.
  • each block 1 is first entirely machined on its lower face 7 before being machined on its upper face 8.
  • each block 1 bears against the second fixed table 14 at its lower face 7.
  • the machining device may further comprise lateral support means 18, for example in the form of conveyors, defining complementary bearing surfaces. These support means for maintaining the blocks 1 at their side faces, particularly during machining.
  • the blocks 1 are brought into the unloading station 5.
  • This comprises a third fixed table 19, arranged in the extension of the second and substantially coplanar.
  • the third fixed table 19 thus defines a lower bearing surface at the unloading station.
  • the fixed tables 6, 15 and 19 are interconnected by lateral supports 20.
  • the building elements can then be arranged in pallets, in a similar arrangement to the unmachined blocks.
  • the invention thus makes it possible to considerably reduce the handling operations, both at the beginning and at the end of the line.
  • the invention is not limited to the sole embodiment of this system, described above as an example, but it encompasses all variants.

Abstract

The device has a machining station with machining tools (12, 13) that machines lower and upper faces (7, 8) of a construction element (1). The machining tool (12) e.g. bell tool, is disposed at a level of a lower bearing surface and rotated around a rotational axis (A) perpendicular to the lower bearing surface. The machining tool (12) has a machined surface of appreciably annular form. A circular shaped fixed table (15) supports the lower face and is disposed at a center of the machining tool (12). Additional bearing surfaces are provided perpendicular to upper and lower bearing surfaces.

Description

L'invention concerne un dispositif d'usinage d'éléments de construction.The invention relates to a device for machining construction elements.

Les éléments de construction de type bloc en béton aggloméré notamment peuvent, selon les modes de fabrication connus, présenter des irrégularités de hauteur selon une tolérance, qui, selon un exemple, peut être de l'ordre de plus ou moins 2 mm sur une longueur de 190 mm.In particular, the construction elements of block type made of agglomerated concrete may, according to the known manufacturing methods, have irregularities in height according to a tolerance, which, according to one example, may be of the order of plus or minus 2 mm over a length 190 mm.

Il est nécessaire, lors de la réalisation d'une construction utilisant un empilement de rangées de tels éléments, non seulement pour assembler ces éléments, mais aussi pour compenser ces irrégularités, d'insérer entre chaque rangée d'éléments de construction une couche relativement importante de mortier.It is necessary, when carrying out a construction using a stack of rows of such elements, not only to assemble these elements, but also to compensate for these irregularities, to insert between each row of building elements a relatively large layer of mortar.

Ces opérations impliquent toutefois un temps de construction plus important et une main d'oeuvre importante qui doit vérifier le bon alignement et la planéité des rangées d'éléments.These operations, however, involve a longer construction time and a large workforce that must verify the proper alignment and flatness of the rows of elements.

En conséquence, il est souhaitable de diminuer les tolérances sur la hauteur des éléments, pour permettre un assemblage avec un liant mince, diminuant les contraintes de vérification de la planéité des rangées d'éléments de construction, et permettant également une plus grande rapidité de réalisation, un coût inférieur et une meilleure qualité de la construction réalisée.Consequently, it is desirable to reduce the tolerances on the height of the elements, to allow an assembly with a thin binder, reducing the constraints of checking the flatness of the rows of building elements, and also allowing a greater speed of realization , lower cost and better quality of the construction carried out.

Il est connu d'utiliser des dispositifs d'usinage d'éléments de construction, comprenant au moins un poste d'usinage comportant au moins un outil d'usinage, destiné à l'usinage d'au moins une face d'un élément de construction, au moins deux surfaces d'appui sur l'élément de construction ainsi que des moyens d'avance des éléments de construction.It is known to use devices for machining construction elements, comprising at least one machining station comprising at least one machining tool, intended for machining at least one face of an element of construction, at least two bearing surfaces on the construction element as well as means for advancing the construction elements.

Habituellement, les surfaces d'appui sont disposées horizontalement, les surfaces d'usinage latérales des éléments de construction étant disposées verticalement.Usually, the bearing surfaces are arranged horizontally, the lateral machining surfaces of the building elements being arranged vertically.

Ces derniers sont, de manière générale, empilés sur des palettes, les faces à usiner étant disposées horizontalement. Cette disposition nécessite une opération manutention de l'ensemble des éléments de construction, de façon à ce que les surfaces d'appui soient disposées verticalement.These are, in general, stacked on pallets, the faces to be machined being arranged horizontally. This arrangement requires a handling operation of all the building elements, so that the bearing surfaces are arranged vertically.

Cette opération de manutention complique le procédé d'usinage.This handling operation complicates the machining process.

L'invention vise donc à remédier à ces inconvénients en proposant un dispositif d'usinage d'éléments de construction ne nécessitant pas une telle opération de manutention préalable.The invention therefore aims to remedy these drawbacks by proposing a device for machining construction elements that does not require such a pre-handling operation.

A cet effet, l'invention concerne un dispositif d'usinage d'éléments de construction, comprenant au moins un poste d'usinage comportant au moins un outil d'usinage, destiné à l'usinage d'au moins une face d'un élément de construction, au moins deux surfaces d'appui sur l'élément de construction, des moyens d'avance des éléments de construction,
caractérisé en ce que le dispositif comporte des surfaces d'appui inférieure et supérieure, un premier outil d'usinage étant disposé au niveau de la surface d'appui inférieure et entraîné en rotation autour d'un axe perpendiculaire à cette surface, le premier outil d'usinage présentant une surface d'usinage de forme sensiblement annulaire, le dispositif comportant en outre une table fixe, destinée à l'appui de la face inférieure de l'élément de construction, disposée au centre du premier outil d'usinage.For this purpose, the invention relates to a device for machining construction elements, comprising at least one machining station comprising at least one machining tool, intended for machining at least one face of a machine. construction element, at least two bearing surfaces on the construction element, means for advancing the construction elements,
characterized in that the device comprises lower and upper bearing surfaces, a first machining tool being arranged at the lower bearing surface and driven in rotation about an axis perpendicular to this surface, the first tool machining unit having a machining surface of substantially annular shape, the device further comprising a fixed table, intended to support the lower face of the construction element, disposed in the center of the first machining tool.

L'invention permet alors d'usiner les éléments de construction à partir de leur position d'origine sur les palettes, sans nécessiter d'opération délicate de manutention consistant à tourner chacun des éléments de construction.The invention then makes it possible to machine the construction elements from their original position on the pallets, without requiring a delicate handling operation consisting in turning each of the construction elements.

En outre, le soutien de l'élément de construction est assuré par la table lors de l'usinage.In addition, the support of the construction element is provided by the table during machining.

Selon une caractéristique supplémentaire, la face supérieure de la table est sensiblement disposée dans le plan d'usinage de l'outil.According to an additional characteristic, the upper face of the table is substantially disposed in the machining plane of the tool.

Préférentiellement, la table fixe est de forme sensiblement circulaire, l'axe de la table correspondant sensiblement à l'axe de l'outil.Preferably, the fixed table is substantially circular in shape, the axis of the table corresponding substantially to the axis of the tool.

Selon une possibilité de l'invention, le plan d'usinage de l'outil est décalé par rapport à la surface d'appui inférieure située en amont de l'outil dans la direction d'avance des éléments de construction, en direction de la surface d'appui supérieure.According to a possibility of the invention, the machining plane of the tool is offset relative to the lower bearing surface located upstream of the tool in the direction of advance of the construction elements, towards the upper support surface.

Le décalage défini alors la hauteur de coupe du dispositif d'usinage.The offset then sets the cutting height of the machining device.

Avantageusement, le dispositif d'usinage comporte un second outil d'usinage, destiné à l'usinage de la face supérieure de l'élément de construction, le second outil d'usinage étant entraîné en rotation autour d'un axe perpendiculaire à la face d'appui inférieure.Advantageously, the machining device comprises a second machining tool for machining the upper face of the construction element, the second machining tool being rotated about an axis perpendicular to the face. lower support.

Selon une caractéristique de l'invention, l'axe de rotation du second l'outil d'usinage est décalé par rapport à l'axe de rotation du premier outil d'usinage, dans la direction d'avance des éléments de construction.According to one characteristic of the invention, the axis of rotation of the second machining tool is offset relative to the axis of rotation of the first machining tool, in the direction of advance of the construction elements.

Préférentiellement, le second outil d'usinage est disposé en aval du premier outil d'usinage, dans le sens d'avance des éléments de construction.Preferably, the second machining tool is disposed downstream of the first machining tool, in the direction of advance of the construction elements.

Avantageusement, le premier outil d'usinage est de diamètre inférieur au second outil d'usinage.Advantageously, the first machining tool is of smaller diameter than the second machining tool.

Selon une caractéristique de l'invention, l'extrémité amont de la surface d'usinage du premier outil d'usinage est décalée par rapport à l'extrémité amont de la surface d'usinage du second outil d'usinage, le décalage étant supérieur ou égal à la longueur de l'élément de construction dans la direction d'avance.According to a characteristic of the invention, the upstream end of the machining surface of the first machining tool is offset relative to the upstream end of the machining surface of the second machining tool, the offset being greater than or equal to the length of the construction element in the direction of advance.

De cette manière, lors de l'avance de l'élément de construction, la face inférieure de ce dernier est entièrement usinée avant l'usinage de la face supérieure.In this way, during the advance of the construction element, the lower face of the latter is fully machined before machining the upper face.

Selon une alternative de réalisation, l'extrémité aval de la surface d'usinage du premier outil d'usinage est disposée en regard de l'extrémité aval de la surface d'usinage du second outil d'usinage.According to an alternative embodiment, the downstream end of the machining surface of the first machining tool is disposed facing the downstream end of the machining surface of the second machining tool.

Selon une caractéristique de l'invention, la surface d'appui supérieure est définie par des éléments presseurs, tels que des rouleaux.According to one characteristic of the invention, the upper bearing surface is defined by pressing elements, such as rollers.

Préférentiellement, le dispositif d'usinage comporte des surfaces d'appui additionnelles, sensiblement perpendiculaires aux surfaces d'appui inférieure et supérieure.Preferably, the machining device comprises additional bearing surfaces, substantially perpendicular to the lower and upper bearing surfaces.

Ces surfaces d'appui additionnelles permettent d'assurer un meilleur maintien de l'élément de construction, notamment lors de l'usinage.These additional support surfaces make it possible to ensure better maintenance of the construction element, especially during machining.

De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme d'exécution de ce dispositif d'usinage.

  • Figure 1 est une vue d'ensemble en perspective, de dessus, du dispositif d'usinage selon l'invention ;
  • Figure 2 est une vue de détail, en perspective, du premier outil d'usinage ;
  • Figure 3 est une vue schématique de face du dispositif d'usinage.
In any case, the invention will be better understood from the description which follows, with reference to the appended schematic drawing showing, by way of non-limiting example, an embodiment of this machining device.
  • Figure 1 is an overall perspective view, from above, of the machining device according to the invention;
  • Figure 2 is a detail view, in perspective, of the first machining tool;
  • Figure 3 is a schematic front view of the machining device.

Les figures 1 et 2 représentent un dispositif d'usinage d'éléments de construction 1.Figures 1 and 2 show a device for machining building elements 1.

Ces éléments sont par exemple des blocs 1 de béton aggloméré et sont de forme sensiblement parallélépipédique.These elements are, for example, blocks 1 of agglomerated concrete and are of substantially parallelepiped shape.

Le dispositif d'usinage comprend un châssis fixe 2 définissant principalement trois postes successifs, à savoir un poste de chargement 3, un poste d'usinage 4 et un poste de déchargement 5.The machining device comprises a fixed frame 2 defining mainly three successive stations, namely a loading station 3, a machining station 4 and an unloading station 5.

Le poste de chargement 3 comporte une première table fixe 6 sur laquelle les blocs 1 sont disposés en file par paquets, par exemple de 5 ou de 10 blocs, ce qui correspond à un demi-étage ou un étage d'une palette. La table 6 est de forme générale allongée, l'axe de la table étant défini par la direction d'avance des blocs 1. Celle-ci forme ainsi une surface d'appui inférieure au niveau du poste de chargement.The loading station 3 comprises a first fixed table 6 on which the blocks 1 are arranged in packets, for example 5 or 10 blocks, which corresponds to a half-stage or a stage of a pallet. The table 6 is of elongated general shape, the axis of the table being defined by the direction of advance of the blocks 1. This forms a lower bearing surface at the loading station.

La disposition des blocs 1 sur la première table fixe 6 est identique à la disposition de ceux-ci sur la palette. Ainsi, les faces à usiner 7, 8 sont disposées sensiblement horizontalement, la face inférieure 7 venant reposer contre la première table fixe 6.The arrangement of the blocks 1 on the first fixed table 6 is identical to the arrangement of these on the pallet. Thus, the faces to be machined 7, 8 are arranged substantially horizontally, the lower face 7 coming to rest against the first fixed table 6.

Le dispositif d'usinage comporte en outre des moyens d'avance 9 permettant le transport successif des blocs 1 dans chacun des trois postes 3, 4, 5 du dispositif. Celui-ci comporte deux chaînes latérales 10, entraînées par un moteur électrique, disposées respectivement de part et d'autre de la première table fixe 6.The machining device further comprises feed means 9 for the successive transport of the blocks 1 in each of the three stations 3, 4, 5 of the device. It comprises two side chains 10, driven by an electric motor, disposed respectively on either side of the first fixed table 6.

Un pousseur 11, disposé transversalement par rapport à l'axe de la table 6, est fixé à chacune des deux chaînes latérales 10, de sorte que leur actionnement simultané entraîne le pousseur 11 dans le sens d'avance, représenté par une flèche au dessin.A pusher 11, arranged transversely to the axis of the table 6, is fixed to each of the two side chains 10, so that their simultaneous actuation drives the pusher 11 in the direction of advance, represented by an arrow in the drawing. .

Lorsque le pousseur 11 entre en butée avec le bloc situé en amont, celui-ci entraîne l'ensemble des blocs 1 disposés dans le poste de chargement 3 en direction du poste d'usinage 4.When the pusher 11 comes into abutment with the block located upstream, it drives all the blocks 1 arranged in the loading station 3 towards the machining station 4.

L'avance des blocs 1 peut être réalisée par pas ou de manière continue.The advance of the blocks 1 can be performed in steps or continuously.

Le poste d'usinage 4 est représenté plus particulièrement aux figures 2 et 3.The machining station 4 is shown more particularly in FIGS. 2 and 3.

Celui-ci comporte des premier 12 et second 13 outils d'usinage. Le premier outil d'usinage 12 est entraîné en rotation autour d'un axe A perpendiculaire à la surface d'appui définie par la première table fixe 6, par l'intermédiaire d'un moteur électrique 14. L'outil 12 est du type outil cloche et présente une surface d'usinage de forme sensiblement annulaire.This comprises first 12 and second 13 machining tools. The first machining tool 12 is rotated about an axis A perpendicular to the bearing surface defined by the first fixed table 6, via an electric motor 14. The tool 12 is of the type bell tool and has a machining surface of substantially annular shape.

Le plan d'usinage défini par la hauteur maximale des éléments de coupe de l'outil est décalé par rapport à la surface d'appui définie par la première table fixe 6, le décalage définissant la hauteur de coupe h1 de la face inférieure 7. La première table fixe 6 forme ainsi une référence, généralement appelée marbre.The machining plane defined by the maximum height of the cutting elements of the tool is offset relative to the bearing surface defined by the first fixed table 6, the offset defining the cutting height h 1 of the lower face 7. The first fixed table 6 thus forms a reference, generally called marble.

La position de l'outil 12 suivant son axe de rotation A est réglable, de manière à pouvoir modifier la hauteur de coupe h1 et à compenser l'usure de l'outil.The position of the tool 12 along its axis of rotation A is adjustable so as to be able to modify the cutting height h 1 and to compensate for the wear of the tool.

Une seconde table fixe 15, de forme sensiblement cylindrique, est disposée au centre du premier outil d'usinage 12, l'axe de la seconde table 14 correspondant sensiblement à l'axe de rotation A de l'outil.A second fixed table 15 of substantially cylindrical shape is disposed at the center of the first machining tool 12, the axis of the second table 14 substantially corresponding to the axis of rotation A of the tool.

Des rouleaux presseurs 16, apparaissant plus particulièrement en figure 3, sont disposés en regard du premier outil d'usinage et définissent une surface d'appui supérieure. Ces rouleaux 16 permettent de maintenir le bloc 1 correspondant lors de l'usinage de sa face inférieure 7.Pressure rollers 16, appearing more particularly in FIG. 3, are arranged facing the first machining tool and define an upper bearing surface. These rollers 16 make it possible to maintain the corresponding block 1 during the machining of its lower face 7.

Les blocs qui, au niveau du poste de chargement, sont en appui uniquement sur leur face inférieure 7, sont, au niveau du poste d'usinage, amenés en appui sur chacune de leurs faces inférieure 7 et supérieure 8, respectivement contre la première table fixe 6 et contre les rouleaux presseurs 16.The blocks which, at the loading station, bear only on their lower face 7, are, at the level of the machining station, brought to bear on each of their lower face 7 and upper face 8 respectively against the first table fixed 6 and against the pressure rollers 16.

Ensuite, lors de l'avance, la face inférieure 7 des blocs 1 rentre dans la zone d'usinage du premier outil 12. Puis, après usinage par l'outil annulaire 12, le bloc 1 vient reposer contre la seconde table fixe 15, disposée dans la continuité de la première 6. La seconde table fixe définit alors une surface d'appui inférieure au niveau du poste d'usinage.Then, during the advance, the lower face 7 of the blocks 1 enters the machining area of the first tool 12. Then, after machining by the annular tool 12, the block 1 comes to rest against the second fixed table 15, disposed in the continuity of the first 6. The second fixed table then defines a lower bearing surface at the machining station.

Ce dernier est en outre équipé d'un second outil 13 permettant l'usinage de la face supérieure 8 des blocs 1. Comme précédemment, cet outil 13 est entraîné en rotation par un moteur électrique 17 suivant un axe B parallèle à l'axe de rotation A du premier outil d'usinage 12. De même, la position du second outil 13 est réglable, de manière à pouvoir modifier la hauteur de coupe h2 de la face supérieure 8 des blocs 1, et à compenser l'usure de l'outil 13.The latter is also equipped with a second tool 13 for machining the upper face 8 of the blocks 1. As before, this tool 13 is rotated by an electric motor 17 along an axis B parallel to the axis of rotation A of the first machining tool 12. Similarly, the position of the second tool 13 is adjustable, so as to be able to change the cutting height h 2 of the upper face 8 of the blocks 1, and to compensate for the wear of the tool 13.

Les axes de rotation A, B des deux outils 12, 13 sont décalés, de sorte que le second outil d'usinage 13 soit disposé en aval du premier outil d'usinage 12, dans le sens d'avance des éléments de construction 1, et que l'extrémité aval de la surface d'usinage du premier outil 12 soit disposée en regard de l'extrémité aval de la surface d'usinage du second outil 13.The axes of rotation A, B of the two tools 12, 13 are offset, so that the second machining tool 13 is disposed downstream of the first machining tool 12, in the direction of advance of the construction elements 1, and that the downstream end of the machining surface of the first tool 12 is disposed facing the downstream end of the machining surface of the second tool 13.

Le premier outil d'usinage 12 est de diamètre inférieur à celui du second outil d'usinage 13, la différence de diamètre respective entre le premier 12 et le second 13 outil d'usinage étant supérieure ou égale à la longueur des éléments de construction 1 suivant la direction d'avance.The first machining tool 12 is of smaller diameter than the second machining tool 13, the difference in respective diameter between the first 12 and the second 13 machining tool being greater than or equal to the length of the construction elements 1 following the direction in advance.

De cette manière, lors de l'avance, chaque bloc 1 est d'abord entièrement usiné sur sa face inférieure 7 avant d'être usiné sur sa face supérieure 8.In this way, during the advance, each block 1 is first entirely machined on its lower face 7 before being machined on its upper face 8.

Lors de l'usinage de la face supérieure 8, chaque bloc 1 est en appui contre la seconde table fixe 14 au niveau de sa face inférieure 7.During the machining of the upper face 8, each block 1 bears against the second fixed table 14 at its lower face 7.

Le dispositif d'usinage peut en outre comporter des moyens d'appui latéraux 18, par exemple sous forme de convoyeurs, définissant des surfaces d'appui complémentaires. Ces moyens d'appui permettant de maintenir les blocs 1 au niveau de leurs faces latérales, en particulier lors de l'usinage.The machining device may further comprise lateral support means 18, for example in the form of conveyors, defining complementary bearing surfaces. These support means for maintaining the blocks 1 at their side faces, particularly during machining.

Après usinage de chacune des faces inférieure 7 et supérieure 8, les blocs 1 sont amenés dans le poste de déchargement 5. Celui-ci comporte une troisième table fixe 19, disposée dans le prolongement de la seconde et de manière sensiblement coplanaire. La troisième table fixe 19 définit ainsi une surface d'appui inférieure au niveau du poste de déchargement. Les tables fixes 6, 15 et 19 sont reliées entre elles par des supports latéraux 20.After machining each of the lower face 7 and upper 8, the blocks 1 are brought into the unloading station 5. This comprises a third fixed table 19, arranged in the extension of the second and substantially coplanar. The third fixed table 19 thus defines a lower bearing surface at the unloading station. The fixed tables 6, 15 and 19 are interconnected by lateral supports 20.

Une fois arrivés au niveau du poste de déchargement, les éléments de construction peuvent alors être disposés en palettes, suivant une disposition similaire à celle des blocs non usinés.Once arrived at the unloading station, the building elements can then be arranged in pallets, in a similar arrangement to the unmachined blocks.

L'invention permet ainsi de réduire considérablement les opérations de manutention, aussi bien en début qu'en fin de ligne.The invention thus makes it possible to considerably reduce the handling operations, both at the beginning and at the end of the line.

Comme il va de soi, l'invention ne se limite pas à la seule forme d'exécution de ce système, décrite ci-dessus à titre d'exemple, mais elle en embrasse au contraire toutes les variantes.As goes without saying, the invention is not limited to the sole embodiment of this system, described above as an example, but it encompasses all variants.

Claims (12)

Dispositif d'usinage d'éléments de construction (1), comprenant au moins un poste d'usinage (4) comportant au moins un outil d'usinage (12, 13), destiné à l'usinage d'au moins une face (7, 8) d'un élément de construction (1), au moins deux surfaces d'appui sur l'élément de construction, des moyens d'avance (9) des éléments de construction (1),
caractérisé en ce que le dispositif comporte des surfaces d'appui inférieure et supérieure (8), un premier outil d'usinage (12) étant disposé au niveau de la surface d'appui inférieure et entraîné en rotation autour d'un axe (A) perpendiculaire à cette surface, le premier outil d'usinage (12) présentant une surface d'usinage de forme sensiblement annulaire, le dispositif comportant en outre une table fixe (15), destinée à l'appui de la face inférieure de l'élément de construction (1), disposée au centre du premier outil d'usinage (12).Device for machining building elements (1), comprising at least one machining station (4) comprising at least one machining tool (12, 13) for machining at least one face ( 7, 8) of a construction element (1), at least two bearing surfaces on the construction element, feed means (9) of the construction elements (1),
characterized in that the device comprises lower and upper bearing surfaces (8), a first machining tool (12) being disposed at the lower bearing surface and rotated about an axis (A). perpendicular to this surface, the first machining tool (12) having a machining surface of substantially annular shape, the device further comprising a fixed table (15) for supporting the lower face of the construction element (1) disposed at the center of the first machining tool (12). Dispositif d'usinage selon la revendication 1, caractérisé en ce que la face supérieure de la table (15) est sensiblement disposée selon le plan d'usinage de l'outil (12).Machining device according to claim 1, characterized in that the upper face of the table (15) is substantially arranged according to the machining plane of the tool (12). Dispositif d'usinage selon l'une des revendications 1 et 2, caractérisé en ce que la table fixe (15) est de forme sensiblement circulaire, l'axe de la table correspondant sensiblement à l'axe de l'outil (A).Machining device according to one of claims 1 and 2, characterized in that the fixed table (15) is substantially circular in shape, the axis of the table corresponding substantially to the axis of the tool (A). Dispositif d'usinage selon l'une des revendications 1 à 3, caractérisé en ce que le plan d'usinage de l'outil (12) est décalé par rapport à la surface d'appui inférieure située en amont de l'outil (12) dans la direction d'avance des éléments de construction (1), en direction de la surface d'appui supérieure.Machining device according to one of claims 1 to 3, characterized in that the machining plane of the tool (12) is offset relative to the lower bearing surface located upstream of the tool (12). ) in the direction of advance of the building elements (1), in the direction of the upper bearing surface. Dispositif d'usinage selon l'une des revendications 1 à 4, caractérisé en ce qu'il comporte un second outil d'usinage (13), destiné à l'usinage de la face supérieure (8) de l'élément de construction (1), le second outil d'usinage étant entraîné en rotation autour d'un axe (B) perpendiculaire à la face d'appui inférieure.Machining device according to one of Claims 1 to 4, characterized in that it comprises a second machining tool (13) for machining the upper face (8) of the construction element ( 1), the second machining tool being rotated about an axis (B) perpendicular to the lower bearing face. Dispositif d'usinage selon la revendication 5, caractérisé en ce que l'axe de rotation (B) du second l'outil d'usinage (13) est décalé par rapport à l'axe de rotation (A) du premier outil d'usinage (12), dans la direction d'avance des éléments de construction (1).Machining device according to claim 5, characterized in that the axis of rotation (B) of the second machining tool (13) is offset relative to the axis of rotation (A) of the first tool of machining (12) in the direction of advance of the construction elements (1). Dispositif d'usinage selon la revendication 6, caractérisé en ce que le second outil d'usinage (13) est disposé en aval du premier outil d'usinage (12), dans le sens d'avance des éléments de construction (1).Machining device according to claim 6, characterized in that the second machining tool (13) is arranged downstream of the first machining tool (12) in the direction of advance of the construction elements (1). Dispositif d'usinage selon l'une des revendications 5 à 7, caractérisé en ce que le premier outil d'usinage (12) est de diamètre inférieur au second outil d'usinage (13).Machining device according to one of claims 5 to 7, characterized in that the first machining tool (12) is of smaller diameter than the second machining tool (13). Dispositif d'usinage selon l'une des revendications 5 à 8, caractérisé en ce que l'extrémité amont de la surface d'usinage du premier outil d'usinage (12) est décalée par rapport à l'extrémité amont de la surface d'usinage du second outil d'usinage (13), le décalage étant supérieur ou égal à la longueur de l'élément de construction (1) dans la direction d'avance.Machining device according to one of claims 5 to 8, characterized in that the upstream end of the machining surface of the first machining tool (12) is offset from the upstream end of the machining surface. machining the second machining tool (13), the offset being greater than or equal to the length of the construction element (1) in the direction of advance. Dispositif d'usinage selon l'une des revendications 5 à 9, caractérisé en ce que l'extrémité aval de la surface d'usinage du premier outil d'usinage (12) est disposée en regard de l'extrémité aval de la surface 0d'usinage du second outil d'usinage (13).Machining device according to one of claims 5 to 9, characterized in that the downstream end of the machining surface of the first machining tool (12) is arranged facing the downstream end of the surface 0d machining the second machining tool (13). Dispositif d'usinage selon l'une des revendications 1 à 10, caractérisé en ce que la surface d'appui supérieure est définie par des éléments presseurs (16), tels que des rouleaux.Machining device according to one of claims 1 to 10, characterized in that the upper bearing surface is defined by pressing elements (16), such as rollers. Dispositif d'usinage selon l'une des revendications 1 à 11, caractérisé en ce qu'il comporte des surfaces d'appui additionnelles, sensiblement perpendiculaires aux surfaces d'appui inférieure et supérieure.Machining device according to one of claims 1 to 11, characterized in that it comprises additional bearing surfaces substantially perpendicular to the lower and upper bearing surfaces.
EP07356072A 2006-06-27 2007-05-29 Device for machining construction elements Active EP1872904B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0605766A FR2902687B1 (en) 2006-06-27 2006-06-27 DEVICE FOR MACHINING CONSTRUCTION ELEMENTS

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EP1872904A1 true EP1872904A1 (en) 2008-01-02
EP1872904B1 EP1872904B1 (en) 2009-04-15

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EP07356072A Active EP1872904B1 (en) 2006-06-27 2007-05-29 Device for machining construction elements

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EP (1) EP1872904B1 (en)
AT (1) ATE428536T1 (en)
DE (1) DE602007000891D1 (en)
ES (1) ES2324432T3 (en)
FR (1) FR2902687B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114905355A (en) * 2022-07-18 2022-08-16 江苏中岦绿建建材科技有限公司 Polishing equipment for manufacturing color steel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250735A1 (en) * 1972-03-24 1973-09-27 Keramik Wtb Veb GRINDING MACHINE FOR RE-PROCESSING OF CERAMIC PRODUCTS, IN PARTICULAR OF DISC AND BOWL FEET
DE20021863U1 (en) * 2000-12-27 2001-06-07 Nelles Willy Device for surface grinding artificial stones, in particular pumice stones

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250735A1 (en) * 1972-03-24 1973-09-27 Keramik Wtb Veb GRINDING MACHINE FOR RE-PROCESSING OF CERAMIC PRODUCTS, IN PARTICULAR OF DISC AND BOWL FEET
DE20021863U1 (en) * 2000-12-27 2001-06-07 Nelles Willy Device for surface grinding artificial stones, in particular pumice stones

Also Published As

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ES2324432T3 (en) 2009-08-06
EP1872904B1 (en) 2009-04-15
DE602007000891D1 (en) 2009-05-28
ATE428536T1 (en) 2009-05-15
FR2902687B1 (en) 2008-09-12
FR2902687A1 (en) 2007-12-28

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