EP3012066B1 - Maschine d'usinage bilaterale pour les bords des panneaux avec des appareils integres pour arrondir les coins - Google Patents

Maschine d'usinage bilaterale pour les bords des panneaux avec des appareils integres pour arrondir les coins Download PDF

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Publication number
EP3012066B1
EP3012066B1 EP15186794.2A EP15186794A EP3012066B1 EP 3012066 B1 EP3012066 B1 EP 3012066B1 EP 15186794 A EP15186794 A EP 15186794A EP 3012066 B1 EP3012066 B1 EP 3012066B1
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EP
European Patent Office
Prior art keywords
plate
slide
radiusing
abutment
longitudinal direction
Prior art date
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EP15186794.2A
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German (de)
English (en)
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EP3012066A1 (fr
Inventor
Marco Belli
Andrea Cucchi
Marco FURLANI
Massimiliano Gervasoni
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Biesse SpA
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Biesse SpA
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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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/002—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for travelling workpieces
    • 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
    • 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
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
    • 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
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/18—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools
    • B24B49/183—Wear compensation without the presence of dressing tools
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/102—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/105—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass using a template

Definitions

  • the invention provides a bilateral machine having the features of claim 1 and a method having the features of claim 3.
  • edge of the plate is used to indicate anyone of the sides of the plate.
  • lateral edges of the plate designates the two sides of the plate which are parallel to the direction of advancement of the plate along the machining area.
  • corner of the plate designates anyone of the four corners which, in a plan view of the plate, are defined between the side edges and the front and rear edges of the plate.
  • each of the lateral edges of the plate may be a surface having two longitudinal arris or “corners”.
  • the "corner” of each lateral edge is therefore a longitudinal arris (a line), which has nothing to do with the "corner” which, in a plan view of the plate, is defined between one lateral edge of the plate and the front edge or the rear edge of the plate.
  • the bilateral machine 1 in the two sides D, S of the bilateral machine 1, downstream of the tool units U, V, W, Z (with reference to the direction of advancement of the plate L) there are integrated two radiusing devices R configured and controlled for simultaneously performing the radiusing operation of the two head corners C1 of plate L in a first step, and the radiusing operation of the two trailing corners C2 of plate L in a second step.
  • the result of this machining operation is a glass plate L having radiused corners C1', C2', as shown for example in figure 2 .
  • each of the two radiusing devices R provided on the two sides of the machine includes a fixed supporting bench 10 on which the structure of a slide 11 is slidably mounted along direction X.
  • the slide 11 extends transversally with respect to the supporting bench 10 both on its side facing towards the machining area A through which the plate L is moved, and on its opposite outer side.
  • the front of each slide 11 carries two abutments 13, 12 for engaging the plate (that are visible in figure 4 ) which are respectively for cooperation with the front edge LF and with the rear edge LP of the plate, in a way which will become clear in the following.
  • These abutments 12, 13 are movable vertically, with the aid of actuators of any type, such as pneumatic cylinders (not shown), between a raised operative position and a lowered inoperative position, in which they do not interfere with the passing plate.
  • Figure 5 shows plate L in a position in which it has not yet come to engage the two radiusing devices R, which therefore are in a waiting condition. In this condition, the plate engaging abutments 12, 13 are both lowered.
  • the radiusing device R of the exemplary embodiment illustrated herein further comprises a cam device T, P, including a cam track T and a cam-follower member P (such as in form of a wheel having a vertical axis) respectively carried by said platform 14 and said slide 11 (or vice versa).
  • Auxiliary actuating means Q1, Q2 are further provided for activating a relative movement between said cam track T and said cam-follower member P while keeping them in contact with each other, so as to give rise to the desired movement of tool M relative to plate L, during the joint advancement of the plate L and the slide 11, in order to carry out the radiusing operation.
  • said cam track T includes two symmetrical sections t1, t2 which are active respectively during the radiusing operation of a front corner C1 and during the radiusing operation of a rear corner C2 of the plate.
  • the above mentioned auxiliary actuator means comprise a pair of actuating cylinders Q1, Q2 interposed between the above mentioned slide 11 and the above mentioned platform 14 and adapted to be activated selectively so that one is shortened and the other is extended, or vice versa, for respectively generating the relative movement of the cam-follower member P on section t1 and on section t2 of the cam track T.
  • the slide 11 is brought back to a position more upstream, by activating an actuating device (not shown in the drawings) such as a pneumatic cylinder, which is provided on structure 10 and is connected to slide 11.
  • an actuating device such as a pneumatic cylinder, which is provided on structure 10 and is connected to slide 11.
  • the abutments 12, 13 are in their lowered positions, so as to enable plate L to pass above them.
  • slide 11 is moved again forwardly in the X direction by activating the above mentioned actuating device, so as to follow the plate until contact of the abutment 12 (which in the meantime has been raised) of each radiusing device R against the rear edge LP of the plate (see figure 9 ).
  • auxiliary actuators Q1, Q2 are activated so that one of them is shortened and the other one is extended, while slide 11 continues to be positively pushed by the actuator associated thereto so that it moves together with plate L.
  • Activation of the two auxiliary actuators Q1, Q2 causes relative movement between the cam track T and the cam-follower member P, with engagement of the latter on section t2 of the cam track T ( figure 10 ).
  • the tool M is moved relative to the moving plate thus performing the desired curved path.
  • the actuating cylinders can be provided with manually adjustable flow regulators for adjusting the speed of the machining operation.
  • a solution is provided having the same arrangement of the slide 11 with abutments 12 and 13, and wherein the slide 11 is also pushed by plate L during the radiusing operation of the front corners of the plate, and is positively driven by an actuator so that it moves with the plate during radiusing operation of the rear corners.
  • the cam device is not used and the tool unit is operated for its movements along the X direction and along the Y direction relative to slide 11 by two respective actuators controlled by an electronic (CNC) control unit, which is adapted to coordinate these movements for obtaining the desired path of the axis of tool M relative to the moving plate.
  • CNC electronic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Claims (3)

  1. Machine bilatérale (1) pour l'usinage de bords de plaques (L) réalisées en verre ou en pierre et en matériaux pierreux en général, comportant un châssis qui comporte deux côtés (D, S) pourvus chacun d'une pluralité d'unités d'usinage (U, V, W, Z) et définissant entre eux une zone d'usinage (A) à travers laquelle, lors de l'utilisation, une plaque (L) à usiner est amenée à avancer, où les unités d'usinage (U, V, W, Z) des deux côtés de la machine sont adaptées à l'usinage des deux bords latéraux (LD, LS) de la plaque (L) tandis que celle-ci avance dans une direction horizontale longitudinale (X) à travers la zone d'usinage (A),
    dans laquelle est inclus dans ladite machine (1) au moins un dispositif d'arrondissement (R) pour conférer un profil arrondi circulaire (r1) à la plaque (L) au moins au niveau d'un coin (C1, C2) défini entre deux côtés adjacents de la plaque (L),
    dans lequel chaque dispositif d'arrondissement (R) comporte en outre :
    - une structure de support fixe (10),
    - un coulisseau (11) monté en coulissement dans la direction longitudinale (X) au-dessus de ladite structure de support (10),
    - une première butée (13, 12) pour s'engager de manière à venir en butée contre un bord avant (LF) ou un bord arrière (LP) de la plaque,
    - une plate-forme (14) montée de manière à pouvoir flotter à la fois dans la direction longitudinale (X) et dans une direction horizontale transversale (Y) transversale à ladite direction longitudinale (X), au-dessus dudit coulisseau (11),
    - ladite plate-forme (14) portant une unité d'outil (15) portant à son tour un outil de meule (M) avec un axe vertical, de sorte que ledit outil de meule (M) puisse se déplacer de manière coordonnée à la fois dans la direction horizontale longitudinale (X) et dans la direction horizontale transversale (Y) transversale à ladite direction longitudinale (X), de manière à ce que ledit outil (M) puisse suivre avec son axe (M1), par rapport à la plaque (L) qui avance, un trajet circulaire (R1) autour d'un axe vertical (C) situé à l'intérieur du périmètre de la plaque (L),
    - ladite structure de support fixe (10) étant pourvue d'un actionneur pour commander positivement un déplacement dudit coulisseau (11) dans la direction longitudinale (X),
    - de manière à ce que lors de l'opération d'arrondissement d'un coin avant (C1) ou d'un coin arrière (C2) de la plaque (L), ladite première butée (13, 12) s'engage avec un bord avant (LF) ou un bord arrière (LP) de la plaque, de sorte que le coulisseau (11) se déplace dans la direction longitudinale (X) solidairement de la plaque (L), tandis que l'unité d'outil (15) est déplacée par rapport au coulisseau (11) le long des directions longitudinale et transversale (X, Y) pour réaliser l'opération d'arrondissement,
    ladite machine bilatérale étant caractérisée en ce que :
    - le dispositif d'arrondissement (R) comprend une deuxième butée (12) pour s'engager de manière à venir en butée contre la plaque, les première et deuxième butées (13, 12) portées par ledit coulisseau (11) et destinées à coopérer respectivement avec le bord avant (LF) et avec le bord arrière (LP) de la plaque (L),
    - dans lequel chacune desdites butées (13, 12) portées par ledit coulisseau (11) est mobile entre une position de fonctionnement surélevée et une position de non-fonctionnement abaissée par rapport au coulisseau (11),
    - de manière à ce que lors de l'opération d'arrondissement d'un coin avant (C1) de la plaque (L), ladite première butée (13) se trouve dans sa position surélevée et la plaque (L) s'engage, par son bord avant (LF), avec ladite première butée (13) provoquant l'avancement dudit coulisseau (11) dans la direction longitudinale (X) solidairement de la plaque (L), simplement en raison de l'action de poussée de la plaque, et
    - de manière à ce que lors de l'opération d'arrondissement d'un coin arrière (C2) de la plaque (L), ladite deuxième butée (12) se trouve dans sa position surélevée et le coulisseau (11) soit poussé par ledit actionneur de manière à amener et à maintenir la deuxième butée (12) en engagement avec le bord arrière (LP) de la plaque, provoquant ainsi l'avancement dudit coulisseau (11) dans la direction longitudinale (X), solidairement de la plaque (L), en raison de l'action de poussée dudit actionneur, et
    - ladite machine bilatérale étant en outre caractérisée en ce que les mouvements de l'unité d'outil (15) par rapport au coulisseau (11) le long des directions longitudinale et transversale (X, Y) sont entraînés par deux actionneurs respectifs commandés par une unité de commande numérique électronique, qui est programmée pour coordonner ces mouvements de manière à obtenir le trajet circulaire souhaité (R1) de l'axe d'outil (M1) par rapport à la plaque mobile.
  2. Machine bilatérale selon la revendication 1, caractérisée en ce qu'elle comprend deux dispositifs d'arrondissement (R) agencés sur les deux côtés susmentionnés (D, S) de la machine et configurés et commandés pour effectuer simultanément dans une première phase l'opération d'arrondissement des deux coins de tête (C1) de la plaque et dans une deuxième phase l'opération d'arrondissement des deux coins de fuite (C2) de la plaque, tandis que la plaque (L) avance à travers la zone d'usinage (A) de ladite machine bilatérale.
  3. Procédé d'usinage de bords de plaques (L) de verre ou de pierre ou de matériaux pierreux, dans lequel une machine bilatérale est prévue, comprenant un châssis qui comporte deux côtés (D, S), chacun ayant une pluralité d'unités d'usinage (U, V, W, Z) et définissant entre eux une zone d'usinage (A), où une plaque à travailler (L) est amenée à avancer horizontalement dans une direction longitudinale (X) à travers ladite zone d'usinage (A) tandis que lesdites unités de traitement (U, V, W, Z) effectuent une opération d'usinage des deux bords latéraux (LD, LS) de la plaque (L),
    dans lequel, dans ladite machine (1), au moins un dispositif d'arrondissement (R) est inclus, de sorte que, tandis que la plaque (L) avance à travers ladite zone d'usinage (A) de la machine bilatérale, ledit dispositif d'arrondissement (R) s'engage avec au moins un coin (C1, C2) défini entre deux côtés adjacents de la plaque (L) pour lui conférer un profil circulaire arrondi (r1),
    dans lequel chaque dispositif d'arrondissement (R) comporte en outre :
    - une structure de support fixe (10),
    - un coulisseau (11) monté en coulissement dans ladite direction longitudinale (X) au-dessus de ladite structure de support (10),
    - une première butée (13, 12) pour s'engager de manière à venir en butée contre un bord avant (LF) ou un bord arrière (LP) de la plaque,
    - une plate-forme (14) montée de manière à pouvoir flotter dans la direction longitudinale (X) et dans une direction horizontale transversale (Y) transversale à ladite direction longitudinale (X) au-dessus dudit coulisseau (11),
    - ladite plate-forme portant une unité d'outil (15) portant à son tour un outil de meule (M) avec un axe vertical, de sorte que ledit outil de meule (M) soit déplacé de manière coordonnée à la fois dans la direction horizontale longitudinale (X) et dans la direction horizontale transversale (Y) de manière à ce que ledit outil (M) puisse suivre avec son axe (M1), par rapport à la plaque (L) qui avance, un trajet circulaire (R1) autour d'un axe vertical (C) situé à l'intérieur du périmètre de la plaque (L),
    - ladite structure de support (10) étant pourvue d'un actionneur pour commander positivement un déplacement dudit coulisseau (11) dans la direction longitudinale (X),
    - de manière à ce que lors de l'opération d'arrondissement d'un coin avant (C1) ou d'un coin arrière (C2) de la plaque (L), ladite première butée (13, 12) s'engage avec un bord avant (LF) ou un bord arrière (LP) de la plaque, de sorte que le coulisseau (11) se déplace dans la direction longitudinale (X) solidairement de la plaque (L), tandis que l'unité d'outil (15) est déplacée par rapport au coulisseau (11) le long des directions longitudinale et transversale (X, Y) pour effectuer l'opération d'arrondissement,
    ledit procédé étant caractérisé en ce que :
    - le dispositif d'arrondissement (R) comprend une deuxième butée (12) pour s'engager de manière à venir en butée contre la plaque, les première et deuxième butées (13, 12) étant portées par ledit coulisseau (11) et destinées à coopérer respectivement avec le bord avant (LF) et avec le bord arrière (LP) de la plaque (L),
    - chacune desdites butées (13, 12) est mobile entre une position de fonctionnement surélevée et une position de non-fonctionnement abaissée par rapport audit coulisseau (11),
    - lors de l'opération d'arrondissement d'un coin avant (C1) de la plaque (L), ladite première butée (13) se trouve dans sa position surélevée et la plaque (L) s'engage, par son bord avant (LF), avec ladite première butée (13) provoquant l'avancement dudit coulisseau (11) dans la direction longitudinale (X) solidairement de la plaque (L), simplement en raison de l'action de poussée de la plaque, et
    - lors de l'opération d'arrondissement d'un coin arrière (C2) de la plaque (L), ladite deuxième butée (12) se trouve dans sa position surélevée et le coulisseau (11) est poussé par ledit actionneur de manière à amener et à maintenir la deuxième butée (12) en engagement avec le bord arrière (LP) de la plaque, provoquant ainsi l'avancement dudit coulisseau (11) dans la direction longitudinale (X), solidairement de la plaque (L), en raison de l'action de poussée dudit actionneur dudit coulisseau (11), et
    - tandis que le coulisseau (11) se déplace solidairement de la plaque (L), les mouvements de l'unité d'outil (15) par rapport au coulisseau (11) le long des directions longitudinale et transversale (X, Y) sont entraînés par deux actionneurs d'unité d'outil respectifs commandés par une unité de commande numérique électronique, qui est programmée pour coordonner ces mouvements de manière à obtenir le trajet souhaité de l'axe d'outil (M1) par rapport à la plaque mobile.
EP15186794.2A 2014-10-20 2015-09-25 Maschine d'usinage bilaterale pour les bords des panneaux avec des appareils integres pour arrondir les coins Active EP3012066B1 (fr)

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EP3012066B1 true EP3012066B1 (fr) 2019-11-27

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Cited By (1)

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EP4049787A1 (fr) 2021-02-25 2022-08-31 Biesse S.p.A. Machine et procédé pour traiter les bords latéraux de plaques de verre, de plaques en pierre ou de plaques en matière synthétique

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ITUA20164621A1 (it) * 2016-06-23 2017-12-23 Ancora Spa Impianto e metodo di calibratura e/o squadratura di elementi squadrabili, quali manufatti ceramici o pietre naturali e simili
EP3581331B1 (fr) 2018-06-13 2022-07-20 W-M GLASS Sp. z o.o. Ensemble de disques de meulage des bords de plaques de verre
CN108747683B (zh) * 2018-07-04 2019-12-03 浙江华力管业有限公司 一种光学玻璃自动磨边设备
CN112692695B (zh) * 2020-12-24 2024-09-03 芜湖国天汽车零部件制造有限公司 铜排修饰加工用多面抛光机
CN114986320A (zh) * 2022-08-03 2022-09-02 苏州科思拓机械科技有限公司 一种用于光伏玻璃的直边磨边机

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EP4049787A1 (fr) 2021-02-25 2022-08-31 Biesse S.p.A. Machine et procédé pour traiter les bords latéraux de plaques de verre, de plaques en pierre ou de plaques en matière synthétique

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