EP2851171A1 - Device for cutting granite or other hard materials - Google Patents

Device for cutting granite or other hard materials Download PDF

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Publication number
EP2851171A1
EP2851171A1 EP14186116.1A EP14186116A EP2851171A1 EP 2851171 A1 EP2851171 A1 EP 2851171A1 EP 14186116 A EP14186116 A EP 14186116A EP 2851171 A1 EP2851171 A1 EP 2851171A1
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EP
European Patent Office
Prior art keywords
cutting
jigsaw
handling
suction cup
cut
Prior art date
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Granted
Application number
EP14186116.1A
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German (de)
French (fr)
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EP2851171B1 (en
Inventor
Robert Calas
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CALAS PRODUCTION
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CALAS PRODUCTION
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Priority to PL14186116T priority Critical patent/PL2851171T3/en
Publication of EP2851171A1 publication Critical patent/EP2851171A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/003—Multipurpose machines; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/043—Gantry type sawing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/06—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with reciprocating saw-blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
    • B28D7/046—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being of the vacuum type

Definitions

  • the invention relates to a device for cutting granite or other hard materials, of the type comprising a cutting disc for making cuts of rectilinear or curved shapes.
  • WO 2005/014252 A1 discloses a cutting device for cutting plates of marble, granite, glass or the like, comprising means for digitally controlling a disc-cutting head displaceable in a cutting volume and comprising means for handling said plates inside said cutting volume.
  • the handling means of said plates comprise at least one handling member extending from the cutting head. Said handling means is arranged to cooperate with the plate during cutting and includes suction cups.
  • Cutting discs for cutting straight shapes have been known for a long time and are usually controlled by numerical control means to cut desired shapes.
  • the shape of the cut must take into account the dimensions of the cutting disc and its possibilities of displacement.
  • the assembly comprising the cutting disc "cutting disc set” is thus pivoted by 90 ° between a cutting position and a handling position.
  • An additional tool can be mounted coaxially with the cutting disc, but this additional assembly then prevents the operation of the suction cups.
  • a first object of the invention is to improve the known state of the art, by proposing a new device for cutting granite or other hard materials, of improved productivity and making it possible to reduce the losses of material and to simplify the operations of cutting contours closed inside existing parts.
  • a second object of the invention is to allow the handling of parts to be cut or pieces to be cut, without modification of the cutting means, thereby allowing the mounting of additional tools, while not preventing the handling of parts to cut or pieces to cut.
  • the subject of the invention is a device for cutting granite or other hard materials, of the type comprising a cutting disk for making cuts of rectilinear or curved shapes, characterized in that the device comprises a machining head simultaneously carrying said cutting disc and a jigsaw means for making cuts in non-through angles.
  • This arrangement avoids the transport of the workpiece on another machining machine to practice a closed contour opening in a previously cut part.
  • the invention also relates to a numerically controlled machine with several displacement axes comprising a device according to the invention.
  • a numerically controlled machine with several axes of displacement comprises a lateral base (1a) and a lateral base (1b) interconnected by a central beam (2) carrying a carriage (3).
  • the lateral bases (1a, 1b) support the translation axes in a first direction (X).
  • the central beam (2) supports the axis of displacement in the direction (Y).
  • the carriage (3) is movable in the direction (Z).
  • the structure defined by the lateral bases (1a, 1b) and the central beam (2) is a portal structure overlooking a central space in which is arranged a support structure (4) having longitudinal members connected to the lateral bases (1a, 1b).
  • the carriage (3) movable along the axis (Z) carries a machining head (5).
  • the machining head (5) carries laterally, on either side, a cutting disc assembly (6) and a jigsaw means (7) for making cuts in the non-through corners of a workpiece. .
  • Suction cup means (8) is laterally mounted at a distance and above the cutting disc guard of the cutter disc assembly (6).
  • the parts placed on a worktable (9) are accessible by the machining means mounted on the machining head (5), in particular by the assembly (6) cutting disc and the jigsaw means (7).
  • the pieces to be cut or cut can be handled by the means (8) forming a handling suction cup, in particular when the means (8) is oriented at 90 °, so as to have a horizontal suction surface.
  • a device according to the invention is advantageously formed as a head (5) laterally carrying the assembly (6) cutting disc and the means (7) jigsaw.
  • the suction cup means (8) is secured to the machining head (5) removably to allow detachment and replacement or cleaning of the suction cup means (8), depending on the type of material treated by the machine according to the invention.
  • the suction cup means (8) is mounted laterally at a distance and above the cutting disc assembly (6) when the device is in the cutting position.
  • the cutting disc assembly has the cutting disc housing, the associated deflector, the drive motor (6a), and angular pivoting means of 90 ° or more between a cutting position ( Figures 2 to 8 ) and an inactive position ( Figures 9 to 13 ).
  • the suction cup means (8) has four suction cups mounted on a common support (9) mounted on bars (10a, 10b, 10c) by means of spacers.
  • This common support (9) of the plurality of suction cups is mounted laterally at a distance and above the protective casing of the cutting disk (6) when the device is in the cutting position.
  • the bars (10a, 10b) carry at their end indexing pistons (11) for defining suction cup indexing.
  • the bar (10c) cooperates with two indexing pistons (12) for defining the suction cup storage position shown in FIGS. Figures 2 to 6 .
  • the bars (10a, 10b, 10c) connected to the support (9) allow disassembly of the means (8) forming a handling suction cup.
  • the means (8) forming a handling suction cup may be replaced by another means (8) carrying suction cups of different shapes depending on the operations to be performed and the contour of the parts to be handled.
  • the jigsaw assembly (7) is mounted on a slider (13) guided on two columns (14) so as to be moved in the use position or in the retracted position, shown in FIG. figure 2 .
  • the slider (13) also carries the jig saw motor (7a), a blade holder (15) and a blade (16).
  • the blade (16) has a diamond-coated leading edge (17) for cutting granite or other material of comparable hardness.
  • a preferred use of the device is as follows: the cutting of straight or straight through segments is preferably performed with the cutting disc to ensure a fast cut, while the cutting in non-through corners is advantageously performed by the means (7) jigsaw, which ensures a vertical section and an angular finish, without performing any disassembly or tool change.
  • the suction means (8) preferably comprises Venturi suction cups connected to a pneumatic block (18) mounted in the vicinity of the upper bar (10c).
  • the use of the jigsaw means (7) is also suitable for cutting parts with offset heads, especially for cutting from the underside of a workpiece.
  • a device according to the invention is shown in the handling position of a part (P) to cut or cut.
  • the indexing means (12) in the storage position of the support (9) carrying a plurality of suction cups are disengaged, thereby allowing the cutting disc assembly and its drive motor (6a) to pivot at 90 °.
  • the piece (P) is secured to the vacuum handling device (8) removably, to allow the lifting, moving and removal by the means (8) forming suction cup.
  • the casing of the cutting disc assembly (6) and the associated deflector are arranged laterally at a distance and above the handling suction cup means (8) and do not suffer any risk of shock or contact with the workpiece (P).
  • the bars (10a, 10b) carrying at their end the indexing pistons (11) for defining a suction cup indexing ensure the maintenance of the support (9) of the means (8) forming a handling suction cup.
  • the jigsaw assembly (7) mounted on the slider (13) guided on the columns (14) is preferably moved in the retracted position, shown in FIG. figure 9 or the figure 11 .
  • the hooking and holding of the handling means (8) are ensured in the upper part by a dovetail assembly (19), while the holding in the lower position is performed by the indexing means (11) shown in FIG. detail at the figure 13 .
  • the suction cups of the support (9) are applied to the workpiece (P) by moving the head (5), then ensure the lifting or holding of the workpiece (P) by suction and then its displacement or its sliding on the work table (9).
  • the displacement of the piece (P) is effected in a manner known per se, preferably along the axes of displacement (X, Y, Z) until 'to reach a desired position.
  • the support (9) of the handling means (8) advantageously comprises four contours defining suction cups of different sizes.
  • the invention naturally extends to the case of a plurality of suction zones or suckers, regardless of their number, preferably of different sizes to be adapted to different sizes or dimensions of parts to be handled.
  • the support (9) carries a rectangular triangular suction cup (8a), a long elongate suction cup (8b), a long elongate suction cup (8c), and a suction cup (8d) of substantially trapezoidal, with rounded edges.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sawing (AREA)
  • Feeding Of Workpieces (AREA)

Abstract

Un dispositif de coupe de granit ou autres matériaux durs comporte un disque (6) de coupe pour pratiquer des découpes de formes rectilignes ou courbes. Le dispositif comporte une tête (5) d'usinage portant simultanément ledit disque (6) de coupe et un moyen (7) de scie sauteuse pour pratiquer des coupes en angles non débouchants. Le dispositif peut en outre comporter un moyen (8) formant ventouse de manutention pour le déplacement de pièces à couper ou de pièces découpées.A granite cutting device or other hard material comprises a cutting disk (6) for cutting rectilinear or curved shapes. The device comprises a machining head (5) simultaneously carrying said cutting disc (6) and a jigsaw means (7) for making non-protruding angles cuts. The device may further comprise means (8) forming a handling suction cup for moving parts to cut or cut parts.

Description

L'invention est relative à un dispositif de coupe de granit ou autres matériaux durs, du type comportant un disque de coupe pour pratiquer des découpes de formes rectilignes ou courbes.The invention relates to a device for cutting granite or other hard materials, of the type comprising a cutting disc for making cuts of rectilinear or curved shapes.

Le document WO 2005/014252 A1 décrit un dispositif de coupe pour couper des plaques de marbre, de granit, de verre ou plaques analogues, comportant des moyens de contrôle numérique d'une tête de coupe à disque déplaçable dans un volume de coupe et comportant des moyens de manipulation desdites plaques à l'intérieur dudit volume de coupe.The document WO 2005/014252 A1 discloses a cutting device for cutting plates of marble, granite, glass or the like, comprising means for digitally controlling a disc-cutting head displaceable in a cutting volume and comprising means for handling said plates inside said cutting volume.

Les moyens de manipulation desdites plaques comportent au moins un organe de manipulation s'étendant à partir de la tête de coupe. Ledit moyen de manipulation est disposé pour coopérer avec la plaque en cours de coupe et comporte des ventouses.The handling means of said plates comprise at least one handling member extending from the cutting head. Said handling means is arranged to cooperate with the plate during cutting and includes suction cups.

Des disques de coupe pour pratiquer des découpes de formes rectilignes sont connus depuis longtemps et sont habituellement commandés par des moyens de commande numérique pour découper des formes désirées.Cutting discs for cutting straight shapes have been known for a long time and are usually controlled by numerical control means to cut desired shapes.

Cependant, la forme de la découpe doit tenir compte des dimensions du disque de coupe et de ses possibilités de déplacement.However, the shape of the cut must take into account the dimensions of the cutting disc and its possibilities of displacement.

En outre, dans le cas de granit ou autres matériaux durs présentant une faible résistance à la friction, certaines formes de découpe nécessitent un renforcement préalable par collage d'un matériau rigide du genre acier ou équivalent dans des rainures longitudinales pratiquées généralement en face inférieure de la forme découpée.In addition, in the case of granite or other hard materials with low resistance to friction, certain cutting shapes require prior reinforcement by bonding a rigid material of the steel or equivalent kind in longitudinal grooves generally made on the lower face of the blade. the cut form.

Pour éviter le retournement de la pièce et le risque de casse de la pièce lors du retournement, il est connu de décaler la tête d'usinage pour pratiquer un rainurage en face inférieure de la pièce à découper, en évitant ainsi le risque de casse due à un retournement.To avoid the reversal of the workpiece and the risk of breakage of the workpiece during overturning, it is known to shift the machining head to practice grooving on the underside of the workpiece, thus avoiding the risk of breakage due to a reversal.

Le document US 2011/0283859 A1 décrit une machine de coupe et des moyens de manutention incorporés. Cette machine de coupe comporte un disque de coupe, dont le carter de protection porte des ventouses de manutention, pour déplacer des pièces découpées.The document US 2011/0283859 A1 describes a cutting machine and incorporated handling means. This cutting machine has a cutting disc, the protective casing carries suction cups, to move cut pieces.

L'ensemble comportant le disque de coupe dit "ensemble disque de coupe" est ainsi pivotant de 90° entre une position de coupe et une position de manutention.The assembly comprising the cutting disc "cutting disc set" is thus pivoted by 90 ° between a cutting position and a handling position.

Un outil additionnel peut être monté coaxialement au disque de coupe, mais ce montage additionnel empêche alors le fonctionnement des ventouses de manutention.An additional tool can be mounted coaxially with the cutting disc, but this additional assembly then prevents the operation of the suction cups.

Un premier but de l'invention est d'améliorer l'état de la technique connue, en proposant un nouveau dispositif de coupe de granit ou autres matériaux durs, de productivité améliorée et permettant de réduire les pertes de matière et de simplifier les opérations de coupe de contours fermés à l'intérieur de pièces existantes.A first object of the invention is to improve the known state of the art, by proposing a new device for cutting granite or other hard materials, of improved productivity and making it possible to reduce the losses of material and to simplify the operations of cutting contours closed inside existing parts.

Un deuxième but de l'invention est de permettre la manutention de pièces à couper ou de pièces à découper, sans modification du moyen de découpe, en autorisant ainsi le montage d'outils supplémentaires, tout en n'empêchant pas la manipulation des pièces à couper ou des pièces à découper.A second object of the invention is to allow the handling of parts to be cut or pieces to be cut, without modification of the cutting means, thereby allowing the mounting of additional tools, while not preventing the handling of parts to cut or pieces to cut.

L'invention a pour objet un dispositif de coupe de granit ou autres matériaux durs, du type comportant un disque de coupe pour pratiquer des découpes de formes rectilignes ou courbes, caractérisé par le fait que le dispositif comporte une tête d'usinage portant simultanément ledit disque de coupe et un moyen de scie sauteuse pour pratiquer des coupes en angles non débouchants.The subject of the invention is a device for cutting granite or other hard materials, of the type comprising a cutting disk for making cuts of rectilinear or curved shapes, characterized in that the device comprises a machining head simultaneously carrying said cutting disc and a jigsaw means for making cuts in non-through angles.

Ainsi, pour découper une ouverture à contour fermé dans une pièce existante, il suffit d'utiliser le disque de coupe pour découper la majeure partie des côtés rectilignes et de finir la découpe des angles à l'aide du moyen de scie sauteuse.Thus, to cut a closed contour opening in an existing part, it is sufficient to use the cutting disc to cut most of the straight sides and finish the cutting angles with the jigsaw means.

Cette disposition permet d'éviter le transport de la pièce sur une autre machine d'usinage pour pratiquer une ouverture à contour fermé dans une pièce déjà découpée.This arrangement avoids the transport of the workpiece on another machining machine to practice a closed contour opening in a previously cut part.

Selon d'autres caractéristiques alternatives de l'invention :

  • Le dispositif peut comporter un moyen formant ventouse de manutention pour le déplacement de pièces à couper ou de pièces à découper.
  • Le moyen de coupe à scie sauteuse comporte de préférence une lame de scie à revêtement diamant.
  • Le moyen formant ventouse de manutention est de préférence un moyen déplaçable entre une première position de stockage latéral et une deuxième position de manutention.
  • Le moyen formant ventouse de manutention comporte avantageusement une pluralité de ventouses montées sur un support commun.
  • Le support commun de la pluralité de ventouses est avantageusement monté latéralement à distance et au-dessus du carter de protection du disque de coupe.
  • Le moyen de scie sauteuse comporte un coulisseau guidé sur deux colonnes et portant le moyen d'actionnement de scie sauteuse.
  • Le support commun de la pluralité de ventouses est monté sur un bâti relié de manière amovible au support de l'ensemble disque de coupe.
  • L'ensemble disque de coupe et le moyen de scie sauteuse sont montés latéralement de part et d'autre d'une tête d'usinage.
According to other alternative features of the invention:
  • The device may comprise a suction cup means for moving parts to be cut or pieces to be cut.
  • The jigsaw cutting means preferably comprises a diamond-coated saw blade.
  • The suction cup means is preferably a means movable between a first lateral storage position and a second handling position.
  • The suction cup means advantageously comprises a plurality of suction cups mounted on a common support.
  • The common support of the plurality of suction cups is advantageously mounted laterally at a distance and above the protective casing of the cutting disc.
  • The jigsaw means comprises a two-column guided slider and carrying the jigsaw operating means.
  • The common support of the plurality of suction cups is mounted on a frame removably connected to the support of the cutting disc assembly.
  • The cutting disc assembly and the jigsaw means are mounted laterally on either side of a machining head.

L'invention est également relative à une machine à commande numérique et à plusieurs axes de déplacement comportant un dispositif selon l'invention.The invention also relates to a numerically controlled machine with several displacement axes comprising a device according to the invention.

L'invention sera mieux comprise grâce à la description qui va suivre donnée à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels :

  • La figure 1 représente schématiquement une vue en perspective d'une machine à commande numérique et à plusieurs axes de déplacement selon l'invention.
  • La figure 2 représente schématiquement une vue dans le sens de la flèche II de la figure 1 d'un dispositif selon l'invention.
  • La figure 3 représente schématiquement une vue dans le sens de la flèche III de la figure 1 du dispositif selon l'invention.
  • La figure 4 représente schématiquement une vue dans le sens de la flèche IV de la figure 1 du dispositif selon l'invention.
  • La figure 5 représente schématiquement une vue selon la ligne V-V de la figure 4 du dispositif selon l'invention.
  • La figure 6 représente schématiquement une vue en coupe selon la ligne VI-VI de la figure 5 du dispositif selon l'invention.
  • La figure 7 représente schématiquement une vue de détail selon le repère VII de la figure 3 du dispositif selon l'invention.
  • La figure 8 représente schématiquement une vue de détail selon le repère VIII de la figure 2 du dispositif selon l'invention.
  • La figure 9 représente schématiquement une vue analogue à la figure 4 d'un dispositif selon l'invention en position de manutention.
  • La figure 10 représente schématiquement une vue selon la ligne X-X de la figure 9 d'un dispositif selon l'invention.
  • La figure 11 représente schématiquement une vue en coupe selon la ligne XI-XI de la figure 10 d'un dispositif selon l'invention.
  • La figure 12 représente schématiquement une vue de détail selon le repère XII de la figure 10 d'un dispositif selon l'invention.
  • La figure 13 représente schématiquement une vue de détail selon le repère XIII de la figure 11 d'un dispositif selon l'invention.
  • La figure 14 représente schématiquement une vue de face d'un support de ventouse d'un dispositif selon l'invention.
  • La figure 15 représente schématiquement une vue en perspective du support de ventouse de la figure 14.
The invention will be better understood from the following description given by way of nonlimiting example, with reference to the appended drawings in which:
  • The figure 1 schematically represents a perspective view of a numerically controlled machine and several displacement axes according to the invention.
  • The figure 2 schematically represents a view in the direction of the arrow II of the figure 1 of a device according to the invention.
  • The figure 3 schematically represents a view in the direction of the arrow III of the figure 1 of the device according to the invention.
  • The figure 4 schematically represents a view in the direction of the arrow IV of the figure 1 of the device according to the invention.
  • The figure 5 schematically represents a view along the line VV of the figure 4 of the device according to the invention.
  • The figure 6 schematically represents a sectional view along the line VI-VI of the figure 5 of the device according to the invention.
  • The figure 7 schematically represents a detail view according to the reference VII of the figure 3 of the device according to the invention.
  • The figure 8 schematically represents a detail view according to the reference VIII of the figure 2 of the device according to the invention.
  • The figure 9 schematically represents a view similar to the figure 4 of a device according to the invention in the handling position.
  • The figure 10 schematically represents a view along line XX of the figure 9 of a device according to the invention.
  • The figure 11 schematically represents a sectional view along the line XI-XI of the figure 10 of a device according to the invention.
  • The figure 12 schematically represents a detail view according to the reference XII of the figure 10 of a device according to the invention.
  • The figure 13 schematically represents a detail view according to the reference XIII of the figure 11 of a device according to the invention.
  • The figure 14 schematically represents a front view of a suction cup support of a device according to the invention.
  • The figure 15 schematically represents a perspective view of the suction pad support of the figure 14 .

En référence aux figures 1 à 15, les éléments identiques ou fonctionnellement équivalents sont repérés par des chiffres ou des références identiques.With reference to Figures 1 to 15 identical or functionally equivalent elements are identified by identical numbers or references.

Sur la figure 1, une machine à commande numérique et à plusieurs axes de déplacement comporte une base latérale (1a) et une base latérale (1b) reliées entre elles par une poutre centrale (2) portant un chariot (3).On the figure 1 , a numerically controlled machine with several axes of displacement comprises a lateral base (1a) and a lateral base (1b) interconnected by a central beam (2) carrying a carriage (3).

Les bases latérales (1a, 1b) supportent les axes de translation selon une première direction (X). La poutre centrale (2) supporte l'axe de déplacement selon la direction (Y).The lateral bases (1a, 1b) support the translation axes in a first direction (X). The central beam (2) supports the axis of displacement in the direction (Y).

Le chariot (3) est déplaçable selon la direction (Z).The carriage (3) is movable in the direction (Z).

La structure définie par les bases latérales (1a, 1b) et la poutre centrale (2) est une structure en portique surplombant un espace central dans lequel est disposée une structure de support (4) comportant des longerons reliés aux bases latérales (1a, 1 b).The structure defined by the lateral bases (1a, 1b) and the central beam (2) is a portal structure overlooking a central space in which is arranged a support structure (4) having longitudinal members connected to the lateral bases (1a, 1b).

Le chariot (3) déplaçable selon l'axe (Z) porte une tête (5) d'usinage.The carriage (3) movable along the axis (Z) carries a machining head (5).

La tête (5) d'usinage porte latéralement, de part et d'autre, un ensemble (6) disque de coupe et un moyen (7) de scie sauteuse pour pratiquer les coupes dans les angles non débouchants d'une pièce à travailler.The machining head (5) carries laterally, on either side, a cutting disc assembly (6) and a jigsaw means (7) for making cuts in the non-through corners of a workpiece. .

Un moyen (8) formant ventouse de manutention est monté latéralement à distance et au-dessus du carter de protection du disque de coupe de l'ensemble (6) disque de coupe.Suction cup means (8) is laterally mounted at a distance and above the cutting disc guard of the cutter disc assembly (6).

Grâce à l'agencement précité, les pièces placées sur une table de travail (9) sont accessibles par les moyens d'usinage montés sur la tête (5) d'usinage, en particulier par l'ensemble (6) disque de coupe et le moyen (7) de scie sauteuse.With the aforementioned arrangement, the parts placed on a worktable (9) are accessible by the machining means mounted on the machining head (5), in particular by the assembly (6) cutting disc and the jigsaw means (7).

Les pièces à couper ou à découper peuvent être manutentionnées par le moyen (8) formant ventouse de manutention, en particulier lorsque ce moyen (8) est orienté à 90°, de manière à présenter une surface d'aspiration horizontale.The pieces to be cut or cut can be handled by the means (8) forming a handling suction cup, in particular when the means (8) is oriented at 90 °, so as to have a horizontal suction surface.

En référence aux figures 2 à 8, un dispositif selon l'invention est avantageusement constitué sous forme de tête (5) portant latéralement l'ensemble (6) disque de coupe et le moyen (7) de scie sauteuse.With reference to Figures 2 to 8 , a device according to the invention is advantageously formed as a head (5) laterally carrying the assembly (6) cutting disc and the means (7) jigsaw.

Le moyen (8) formant ventouse de manutention est solidarisé à la tête (5) d'usinage de manière amovible, pour permettre le détachement et le remplacement ou le nettoyage du moyen (8) formant ventouse de manutention, en fonction du type de matériau traité par la machine selon l'invention.The suction cup means (8) is secured to the machining head (5) removably to allow detachment and replacement or cleaning of the suction cup means (8), depending on the type of material treated by the machine according to the invention.

Le moyen (8) formant ventouse de manutention est monté latéralement à distance et au-dessus de l'ensemble disque (6) de coupe, lorsque le dispositif est en position de coupe.The suction cup means (8) is mounted laterally at a distance and above the cutting disc assembly (6) when the device is in the cutting position.

Dans la position de stockage du moyen formant ventouse de manutention, l'accès au carter de l'ensemble (6) de coupe et au déflecteur associé est ainsi entièrement libéré, de sorte que le remplacement d'un disque de coupe peut être effectué sans intervention sur le moyen (8) formant ventouse de manutention.In the storage position of the suction cup means, the access to the casing of the cutting assembly (6) and to the associated deflector is thus completely released, so that the replacement of a cutting disc can be performed without intervention on the means (8) forming suction cup handling.

L'ensemble disque de coupe comporte le carter du disque de coupe, le déflecteur associé, le moteur d'entraînement (6a) ainsi que des moyens de pivotement angulaire de 90° ou plus, entre une position de coupe (figures 2 à 8) et une position inactive (figures 9 à 13).The cutting disc assembly has the cutting disc housing, the associated deflector, the drive motor (6a), and angular pivoting means of 90 ° or more between a cutting position ( Figures 2 to 8 ) and an inactive position ( Figures 9 to 13 ).

Le moyen (8) formant ventouse de manutention comporte quatre ventouses montées sur un support commun (9) monté sur des barres (10a, 10b, 10c) au moyen d'entretoises.The suction cup means (8) has four suction cups mounted on a common support (9) mounted on bars (10a, 10b, 10c) by means of spacers.

Ce support (9) commun de la pluralité de ventouses est monté latéralement à distance et au-dessus du carter de protection du disque (6) de coupe, lorsque le dispositif est en position de coupe.This common support (9) of the plurality of suction cups is mounted laterally at a distance and above the protective casing of the cutting disk (6) when the device is in the cutting position.

Les barres (10a, 10b) portent à leur extrémité des pistons d'indexage (11) destinés à définir une indexation de prise de ventouse.The bars (10a, 10b) carry at their end indexing pistons (11) for defining suction cup indexing.

La barre (10c) coopère avec deux pistons (12) d'indexage destinés à définir la position de stockage de ventouse représentée aux figures 2 à 6.The bar (10c) cooperates with two indexing pistons (12) for defining the suction cup storage position shown in FIGS. Figures 2 to 6 .

Les barres (10a, 10b, 10c) reliées au support (9) permettent le démontage du moyen (8) formant ventouse de manutention.The bars (10a, 10b, 10c) connected to the support (9) allow disassembly of the means (8) forming a handling suction cup.

Ainsi, le moyen (8) formant ventouse de manutention peut être remplacé par un autre moyen (8) portant des ventouses de formes différentes en fonction des opérations à exécuter et du contour des pièces à manutentionner.Thus, the means (8) forming a handling suction cup may be replaced by another means (8) carrying suction cups of different shapes depending on the operations to be performed and the contour of the parts to be handled.

L'ensemble (7) de scie sauteuse est monté sur un coulisseau (13) guidé sur deux colonnes (14) de manière à être déplacé en position d'utilisation ou en position escamotée, représentée à la figure 2.The jigsaw assembly (7) is mounted on a slider (13) guided on two columns (14) so as to be moved in the use position or in the retracted position, shown in FIG. figure 2 .

Le coulisseau (13) porte également le moteur (7a) d'entraînement de scie sauteuse, un porte-lame (15) et une lame (16).The slider (13) also carries the jig saw motor (7a), a blade holder (15) and a blade (16).

La lame (16) comporte un bord d'attaque (17) à revêtement diamant, de manière à couper le granit ou un autre matériau de dureté comparable.The blade (16) has a diamond-coated leading edge (17) for cutting granite or other material of comparable hardness.

Une utilisation préférée du dispositif est la suivante : la coupe de segments droits ou rectilignes traversants est effectuée de préférence avec le disque de coupe pour assurer une coupe rapide, tandis que la coupe dans des angles non débouchants est avantageusement pratiquée par le moyen (7) de scie sauteuse, ce qui permet d'assurer une coupe verticale et une finition angulaire, sans effectuer aucun démontage ni aucun changement d'outil.A preferred use of the device is as follows: the cutting of straight or straight through segments is preferably performed with the cutting disc to ensure a fast cut, while the cutting in non-through corners is advantageously performed by the means (7) jigsaw, which ensures a vertical section and an angular finish, without performing any disassembly or tool change.

Le moyen (8) formant ventouse comporte de préférence des ventouses à effet Venturi reliées à un bloc pneumatique (18) monté au voisinage de la barre supérieure (10c).The suction means (8) preferably comprises Venturi suction cups connected to a pneumatic block (18) mounted in the vicinity of the upper bar (10c).

L'utilisation du moyen (7) de scie sauteuse est également appropriée pour la découpe de pièces avec décalage des têtes, notamment pour la découpe à partir de la face inférieure d'une pièce à découper.The use of the jigsaw means (7) is also suitable for cutting parts with offset heads, especially for cutting from the underside of a workpiece.

En référence aux figures 9 à 13, un dispositif selon l'invention est représenté en position de manutention d'une pièce (P) à couper ou à découper.With reference to Figures 9 to 13 , a device according to the invention is shown in the handling position of a part (P) to cut or cut.

Les moyens d'indexation (12) en position de stockage du support (9) portant plusieurs ventouses sont dégagés, autorisant ainsi le pivotement à 90° de l'ensemble disque de coupe et de son moteur d'entraînement (6a).The indexing means (12) in the storage position of the support (9) carrying a plurality of suction cups are disengaged, thereby allowing the cutting disc assembly and its drive motor (6a) to pivot at 90 °.

La pièce (P) est solidarisée au moyen (8) formant ventouse de manutention par dépression de manière amovible, pour en permettre la levée, le déplacement et la dépose par le moyen (8) formant ventouse de manutention.The piece (P) is secured to the vacuum handling device (8) removably, to allow the lifting, moving and removal by the means (8) forming suction cup.

Dans la position de manutention du moyen (8) formant ventouse de manutention, le carter de l'ensemble (6) disque de coupe et le déflecteur associé sont disposés latéralement à distance et au-dessus du moyen (8) formant ventouse de manutention et ne subissent aucun risque de choc ou de contact avec la pièce (P).In the handling position of the handling suction cup means (8), the casing of the cutting disc assembly (6) and the associated deflector are arranged laterally at a distance and above the handling suction cup means (8) and do not suffer any risk of shock or contact with the workpiece (P).

Les barres (10a, 10b) portant à leur extrémité les pistons d'indexage (11) destinés à définir une indexation de prise de ventouse assurent le maintien du support (9) du moyen (8) formant ventouse de manutention.The bars (10a, 10b) carrying at their end the indexing pistons (11) for defining a suction cup indexing ensure the maintenance of the support (9) of the means (8) forming a handling suction cup.

L'ensemble (7) de scie sauteuse monté sur le coulisseau (13) guidé sur les colonnes (14) est déplacé de préférence en position escamotée, représentée à la figure 9 ou la figure 11.The jigsaw assembly (7) mounted on the slider (13) guided on the columns (14) is preferably moved in the retracted position, shown in FIG. figure 9 or the figure 11 .

L'accrochage et le maintien du moyen (8) de manutention sont assurés en partie supérieure par un assemblage à queue d'aronde (19), tandis que le maintien en position basse est effectué par les moyens d'indexation (11) représentés en détail à la figure 13.The hooking and holding of the handling means (8) are ensured in the upper part by a dovetail assembly (19), while the holding in the lower position is performed by the indexing means (11) shown in FIG. detail at the figure 13 .

Dans cette position de manutention, les ventouses du support (9) sont appliquées sur la pièce (P) par déplacement de la tête (5), puis assurent le soulèvement ou le maintien de la pièce (P) par aspiration et ensuite son déplacement ou son glissement sur la table de travail (9).In this handling position, the suction cups of the support (9) are applied to the workpiece (P) by moving the head (5), then ensure the lifting or holding of the workpiece (P) by suction and then its displacement or its sliding on the work table (9).

Après avoir solidarisé la pièce (P) par dépression au moyen (8) de manutention, le déplacement de la pièce (P) s'effectue de manière connue en soi, de préférence selon les axes de déplacement (X, Y, Z) jusqu'à atteindre une position désirée.After having secured the piece (P) by depression to the handling means (8), the displacement of the piece (P) is effected in a manner known per se, preferably along the axes of displacement (X, Y, Z) until 'to reach a desired position.

En référence aux figures 14 et 15, le support (9) du moyen (8) de manutention comporte avantageusement quatre contours définissant des ventouses de tailles différentes.With reference to Figures 14 and 15 the support (9) of the handling means (8) advantageously comprises four contours defining suction cups of different sizes.

L'invention s'étend bien entendu au cas d'une pluralité de zones d'aspiration ou de ventouses, quel que soit leur nombre, de préférence de tailles différentes pour être adaptées aux différentes tailles ou dimensions de pièces à manutentionner.The invention naturally extends to the case of a plurality of suction zones or suckers, regardless of their number, preferably of different sizes to be adapted to different sizes or dimensions of parts to be handled.

Dans l'exemple représenté aux figures 14 à 15, le support (9) porte une ventouse (8a) triangulaire rectangle, une ventouse (8b) de forme allongée et de petite longueur, une ventouse (8c) de forme allongée et de grande longueur, et une ventouse (8d) de forme sensiblement trapézoïdale, avec bords arrondis.In the example shown in Figures 14 to 15 , the support (9) carries a rectangular triangular suction cup (8a), a long elongate suction cup (8b), a long elongate suction cup (8c), and a suction cup (8d) of substantially trapezoidal, with rounded edges.

L'invention décrite en référence à un mode de réalisation particulier ne lui est nullement limitée, mais couvre au contraire toute modification de forme et toute variante de réalisation dans le cadre des revendications annexées.The invention described with reference to a particular embodiment is in no way limited thereto, but on the contrary covers any modification of form and any variant embodiment within the scope of the appended claims.

Claims (10)

Dispositif de coupe de granit ou autres matériaux durs, du type comportant un disque (6) de coupe pour pratiquer des découpes de formes rectilignes ou courbes, caractérisé par le fait que le dispositif comporte une tête (5) d'usinage portant simultanément ledit disque (6) de coupe et un moyen (7) de scie sauteuse pour pratiquer des coupes en angles non débouchants.Device for cutting granite or other hard materials, of the type comprising a cutting disc (6) for making cuts of rectilinear or curved shapes, characterized in that the device comprises a machining head (5) simultaneously carrying said disc (6) cutting and jigsaw means (7) for making non-through angled cuts. Dispositif de coupe selon la revendication 1, caractérisé par le fait que le dispositif comporte un moyen (8) formant ventouse de manutention pour le déplacement de pièces à couper ou de pièces (P) à découper.Cutting device according to claim 1, characterized in that the device comprises means (8) forming a suction cup for moving parts to be cut or parts (P) to be cut. Dispositif de coupe selon la revendication 1 ou la revendication 2, caractérisé par le fait que le moyen (7) de scie sauteuse comporte une lame (16) de scie à revêtement (17) diamant.Cutting device according to claim 1 or claim 2, characterized in that the jigsaw means (7) comprises a diamond-coated saw blade (16). Dispositif de coupe selon la revendication 2, caractérisé par le fait que le moyen (8) formant ventouse de manutention est un moyen déplaçable entre une première position de stockage latéral et une deuxième position de manutention.Cutting device according to claim 2, characterized in that the means (8) forming a handling suction cup is a means movable between a first lateral storage position and a second handling position. Dispositif de coupe selon la revendication 4, caractérisé par le fait que le moyen (8) formant ventouse de manutention comporte une pluralité de ventouses (8a-8d) montées sur un support (9) commun.Cutting device according to claim 4, characterized in that the means (8) forming a handling suction cup comprises a plurality of suction cups (8a-8d) mounted on a common support (9). Dispositif selon la revendication 5, caractérisé par le fait que le support (9) commun de la pluralité de ventouses (8a - 8d) est monté latéralement à distance et au-dessus du carter de protection du disque (6) de coupe, lorsque le dispositif est en position de coupe.Device according to claim 5, characterized in that the common support (9) of the plurality of suction cups (8a-8d) is mounted laterally at a distance and above the protective casing of the cutting disk (6) when the device is in the cutting position. Dispositif selon la revendication 1, caractérisé par le fait que le moyen (7) de scie sauteuse comporte un coulisseau (13) guidé sur deux colonnes (14) et portant le moteur d'entraînement (7a) de scie sauteuse.Device according to claim 1, characterized in that the jigsaw means (7) comprises a slide (13) guided on two columns (14) and carrying the jigsaw drive motor (7a). Dispositif selon la revendication 6, caractérisé par le fait que le support commun (9) de la pluralité de ventouses (8a - 8d) est monté de manière amovible au support de l'ensemble disque de coupe (6).Device according to claim 6, characterized in that the common support (9) of the plurality of suction cups (8a-8d) is removably mounted to the support of the cutting disc assembly (6). Dispositif selon la revendication 1, caractérisé par le fait que l'ensemble disque de coupe (6) et le moyen (7) de scie sauteuse sont montés latéralement de part et d'autre d'une tête (5) d'usinage.Device according to claim 1, characterized in that the cutting disc assembly (6) and the jigsaw means (7) are mounted laterally on either side of a machining head (5). Machine à commande numérique et à plusieurs axes de déplacement, comportant un dispositif selon l'une quelconque des revendications 1 à 9.Numerically controlled machine with several axes of displacement, comprising a device according to any one of Claims 1 to 9.
EP14186116.1A 2013-09-24 2014-09-24 Device for cutting granite or other hard materials Active EP2851171B1 (en)

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FR1359168A FR3010930B1 (en) 2013-09-24 2013-09-24 DEVICE FOR CUTTING GRANITE OR OTHER HARD MATERIALS

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US20150083103A1 (en) 2015-03-26
FR3010930B1 (en) 2016-07-08
PT2851171T (en) 2016-09-13
ES2592157T3 (en) 2016-11-28
CA2864973A1 (en) 2015-03-24
FR3010930A1 (en) 2015-03-27
PL2851171T3 (en) 2017-08-31
CA2864973C (en) 2021-07-27
EP2851171B1 (en) 2016-06-29

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