EP1649975B1 - Vorrichtung für das Herstellen von Kanten mit veränderbaren Schrägen auf dem Rand des Glases, des Marmors, der Stein- oder keramischen Materialplatten und der dergleichen - Google Patents

Vorrichtung für das Herstellen von Kanten mit veränderbaren Schrägen auf dem Rand des Glases, des Marmors, der Stein- oder keramischen Materialplatten und der dergleichen Download PDF

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Publication number
EP1649975B1
EP1649975B1 EP05108523A EP05108523A EP1649975B1 EP 1649975 B1 EP1649975 B1 EP 1649975B1 EP 05108523 A EP05108523 A EP 05108523A EP 05108523 A EP05108523 A EP 05108523A EP 1649975 B1 EP1649975 B1 EP 1649975B1
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EP
European Patent Office
Prior art keywords
plate
edge
axis
oscillation
worked
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EP05108523A
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English (en)
French (fr)
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EP1649975A1 (de
Inventor
Attilio Busetti
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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
    • B24B9/02—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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/047—Grinding heads for working on plane surfaces
    • B24B41/053—Grinding heads for working on plane surfaces for grinding or polishing glass
    • 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

Definitions

  • the present invention relates to a device to obtain a bevel (or "fillet") along an edge of a slab or plate of glass, marble, stone or ceramic material and the like, wherein such edge is defined between a face and a side rim of the plate, said device being of the type as per the preamble of claim 1.
  • the present invention particularly relates to a device of the type wherein said means for performing the bevel include:
  • the devices of the type above-described are known and used for performing, for example, bevels along edges of glass plates. Such known devices allow to perform bevels with a fixed slant of 45° relative to the horizontal line of the working plane. They are typically used in grinding machines which include simultaneously performing the grinding of one or two couples of opposite edges of a glass plate.
  • bilateral machines which include a first working assembly for performing the working of a first couple of rims of a glass plate, and a second working assembly, downstream of the first one, for performing the working of the remaining couple of rims of the plate.
  • an object of the invention is to carry out a device which ensures to perform a bevel along an edge of a plate with relatively simple and inexpensive means, and which is also characterized by a high use flexibility.
  • a device as set forth in the preamble of claim 1 is known from US-A-4 060 938 .
  • the object of the invention is a device having all the features of claim 1.
  • said means for performing the bevel include:
  • the device according the invention allows to easily perform bevels of any slants, with the use of a machine having the general configuration above-described.
  • the slant of the bevel is particularly advantageous when two edges placed stepwise along an edge of the plate have to be worked with a single grinding wheel-tool.
  • the slant of the bevels along the two edges must correspond to that of a plane tangent to the two edges, such slant being in general other that 45°.
  • numeral 1 generally shows a preferred embodiment of the device according to the invention.
  • the figure only shows the device arranged for working a side rim 2 of a glass plate L, a device completely similar being preferably arranged for working the opposite side (not visible in the drawing) of the plate.
  • the device described and shown herein is preferably used in a machine for working glass plates of the so-called "bilateral" type which has been above-mentioned.
  • the application of the invention is entirely general and therefore the devices carried out according to the teachings of the present invention can be used in machines of any type and in particular also in machines suitable for performing the working of a single couple of opposite rims of the glass plate.
  • numeral 3 shows one of the closed-ring belts on which the glass plate L is supported and which are driven for causing the advancing of the glass plate L in the direction shown by the arrow A.
  • the construction details relating to these belts and the means for their operation are not described or shown herein, as they can be carried out in any known way, and further as these details do not lay, per se, in the ambit of the present invention. Moreover, the omission of these details in the drawings makes these latter of a prompter and easy understanding.
  • the device 1 in the case of the preferred example shown herein, includes a fixed structure 4 arranged on a side of the line along which the glass plate L is moved, which includes two sides 5 consisting in plates arranged in parallel and spaced planes, transversally to the advancing direction A.
  • the two sides 5 support in an oscillating way, as it will be described in detail below, a support structure 6 around an axis of oscillation 7 which is parallel to the advancing direction A and which substantially corresponds, in the use, with the upper edge of the side rim 2 of the plate L.
  • the emission nozzles of the liquid and the relative feeding system are not shown herein.
  • the casing 33 has two sides 33a (only one is visible in figure 6) from which tubular casings 32 with a substantially semicircular section are protruding.
  • the central portion 9 supports three assemblies 10, 11, 12 for supporting and controlling three grinding wheel-tools 13, 14, 15.
  • the two tools 13, 14 are two abrasive tools having the cup conformation visible for example in figure 2, assigned for carrying out a bevel along the upper edge of the longitudinal rim 2 of the plate L during the advancing of the plate, while the tool 15 is a tool also having a cup conformation but with a function of polishing of the blunt edge (visible in figure 3).
  • FIG. 2 shows in greater detail the assembly 10 for supporting and controlling the grinding wheel tool 13.
  • the grinding wheel-tool 13 is mounted on a spindle 16 driven by an electric motor 17.
  • the structure of the motor 17, with the spindle 16 associated thereto is carried by a frame 18 which is movably mounted on the support structure 6 in the B direction shown in figure 2, parallel to the axis 16a of the spindle 16.
  • the movement of the frame 18 in the B direction is driven through a coupling between a leadscrew 19 firmly connected with the frame 18 and a screw 20 which is threaded within the leadscrew 19 and is rotatably driven by an electric motor 21 through an angle box 22.
  • the engine 21 and the box 22 have their structures firmly connected with the support structure 6 which, as already above stated, is in turn swingingly mounted on the fixed structure 4 of the device.
  • the oscillation movements of the oscillating support structure 6 relative to the fixed structure 4 around the oscillation axis 7 are driven by a stationary electric motor 23 which drives a gear 24 (partly visible in figure 2) engaging a toothed sector 25.
  • the toothed sector 25 is mounted on a structure stiffly connected with the oscillating structure 6a and has a general circle arc-profile whose radius of curvature lays on the oscillation axis 7.
  • the arrangement is such that the oscillation axis 7 is substantially corresponding, or very close, to the upper edge of the side rim 2 of the glass plate L.
  • the assembly 11 is completely similar to the assembly 10, while the assembly 12, carrying the polishing tool 15, is shown in figure 3.
  • the parts corresponding to those of figure 2 are shown with the same numeral.
  • the assembly 12 shown in figure 3 differs from the assembly 10 above-described in that here a power-driven control of the shifting of the tool 15 in the B direction is not foreseen, but on the contrary, a pneumatic cylinder 26 which ensures that the polishing tool 15 is constantly pressed against the rim of the glass plate during the passage of this latter is arranged.
  • the frame 18 carrying the motor 17 is then freely slidably mounted by means of tracks 27 relative to the support structure 6, the fluid cylinder 26 being in turn mounted on the structure 6 and having a stem 28 operably connected with the frame 18.
  • Figures 4 and 5 show how the device according to the invention allows, thanks to a proper adjustment of the slant angle of the tool, to perform bevels S along the upper edge of the rim 2 of the plate having angles other than 45°.
  • Figure 5 particularly shows how the tool of the device according to the invention can simultaneously work two edges S1, S2 arranged stepwise along the rim 2 of the plate, thus obtaining a slant of these bevels which corresponds to the slant of the plane T tangent to the two edges S1, S2.
  • FIG. 6 shows the detail of the supports through which the fixed structure 4 supports in an oscillating way the structure 6 around the axis of oscillation 7.
  • each side 5 of the fixed structure 4 exhibits a seat 5a with a semicircular profile wich receives a pin 30 with a semicircular profile as well having a fastening flange 31 which is fixed to the side 5.
  • the pin 30 acts as a joint pin, as it rotatably receives and supports a semi-bushing 34, with a substantially circular profile, equipped with a flange 35 for the fastening to the relative side 8 of the oscillating structure 6.
  • This semi-bushing 34 is housed in a seat 8a, with a semicircular profile, obtained in the side 8.
  • the support structure 6 is swingingly mounted on the fixed structure 4 around the aforesaid axis of oscillation, such axis substantially corresponding with the upper edge of the longitudinal rim 2 of the glass plate.
  • the advantage of the described arrangement is to allow, in any case, the passage of the plate without interference with the parts serving for the oscillating support of the structure 6.
  • the motor 23 is driven for positioning the oscillating assembly 6 according to the desired angle, depending on the slant of the bevel that one wishes to obtain.
  • the electric motors of the device according to the invention are driven by an electronic unit control according to a pre-established program, also depending on the dimensions and particularly on the thickness of the plate to be worked.
  • the system is arranged in order to obtain a perfect coincidence of the axis of oscillation 7 with the upper edge of the rim 2 of the plate for a determined value of the plate thickness.
  • the electronic control automatically provides for repositioning the tool in the proper working position in contact with the edge along which the bevel has to be obtained. In this condition, of course, the axis of oscillation 7 will not be anymore corresponding with the edge of the plate, but however it will be close thereto.
  • the device according to the invention is characterized by a relative structural simplicity and nevertheless it ensures a high flexibility in the use by allowing to obtain plates with bevels (or “fillets”) having any slant, with the advantages which have been discussed hereinbefore.

Claims (8)

  1. Vorrichtung zum Erhalten einer Fase entlang einer Kante einer Platte (L) aus Glas, Marmor, Stein oder keramischen Materialien und dergleichen, worin ein solcher Rand definiert ist zwischen einer Stirnfläche und einem Seitenrand (2) der Platte, die Vorrichtung schließt ein:
    - Mittel zum Zuführen einer zu bearbeitenden Platte in einer fortlaufenden Richtung im Wesentlichen parallel zu der Kante und
    - Mittel, getragen durch eine starre Struktur, zum Ausführen der Fase entlang der Kante der Platte während dem Voranschreiten der Platte,
    worin die Mittel zum Erhalten der Fase in Position justierbar sind durch eine Schwingung um eine Achse (7), parallel zu der Kante, und relativ zu der starren Struktur (4) zum Erhalten von Fasen mit veränderbaren Schrägen,
    dadurch gekennzeichnet, dass die Zufuhrmittel angepasst sind, um die Platte voranzutreiben mit der letzteren horizontal arrangiert, und dass die Schwingungsachse (7) in dem Betrieb im Wesentlichen mit der Kante korrespondiert, um auf der Platte (L) bearbeitet zu werden.
  2. Vorrichtung nach Anspruch 1, worin die Mittel zum Erhalten der Fase einschließen:
    - zumindest ein mahlendes Radwerkzeug (13, 14),
    - eine Spindel (16), auf welcher das mahlende Radwerkzeug (13, 14) befestigt ist,
    - einen elektrischen Motor (17) zum Antreiben der Drehung der Spindel (16),
    - einen Rahmen (18), der den elektrischen Motor (17) trägt und beweglich auf einer Unterstützungsstruktur (6) befestigt ist in einer Richtung (B) parallel zu der Achse (16a) der Spindel (16), und
    - Steuerungsmittel (19-22) der axialen Bewegung des Rahmens (18) relativ zu der Stützstruktur (6),
    dadurch gekennzeichnet, dass die vorher erwähnte Unterstützungsstruktur (6) schwingend auf der starren Struktur (4) um die Schwingungsachse (7) befestigt ist.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Steuerungsmittel (23-35) der Schwingung vorausgesehen sind.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Steuerungsmittel (23-25) der Schwingung einschließen einen stationären elektrischen Motor (23), ein gezahntes Ritzel (24), drehbar angetrieben durch den elektrischen Motor (23), und einen gezahnten Sektor (25) im Eingriff mit dem gezahnten Ritzel (24), welches durch die schwingende Struktur (6) getragen ist und welches ein allgemeines Kreisbogenprofil mit einem Krümmungsmittelpunkt, platziert auf der Schwingungsachse (7), hat.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die starre Struktur einschließen zwei parallele und beabstandete Seiten (5), von welchen zwei jeweilige röhrenförmige Stifte (30) mit einem im Wesentlichen halbkreisförmigen Abschnitt und empfangen in einer drehbaren Art innerhalb zweier jeweiliger Halbbuchsen (34), getragen durch die vorher erwähnte schwingende Struktur (6), einwärts hervorstehen.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Achse (7) im Betrieb korrespondiert mit der aus der Platte (L) zu bearbeitenden Kante in dem Fall, dass diese Platte eine Dicke eines vorher festgelegten Werts hat, wobei die Schwingungsachse (7) resultiert, im Gegensatz, leicht beabstandet von der aus der Platte (L) zu bearbeitenden Kante, sollte die Platte eine sich von der vorher festgelegten Dicke unterscheidende Dicke haben.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Steuerungselektronikmittel der elektronisch angetriebenen Mittel damit verbunden sind zum Justieren der Position von einem oder mehreren Werkzeugen (13, 14, 15), die Steuerungselektronikmittel sind programmiert zum richtigen Positionieren des einen oder der mehreren Werkzeuge unter Beachtung des Unterschieds zwischen dem vorher festgelegten Wert der Plattendicke und dem aktuellen Wert der Dicke der zu bearbeitenden Platte.
  8. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die schwingende Struktur (6) eine oder mehrere Steuerungsanordnungen (10, 11) der mahlenden Radwerkzeuge (13, 14) trägt und eine Kontrollanordnung (12) eines Werkzeugs (15) für die Polierung der bearbeiteten Kante.
EP05108523A 2004-10-21 2005-09-16 Vorrichtung für das Herstellen von Kanten mit veränderbaren Schrägen auf dem Rand des Glases, des Marmors, der Stein- oder keramischen Materialplatten und der dergleichen Active EP1649975B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000134U ITTO20040134U1 (it) 2004-10-21 2004-10-21 Dispositivo per l'esecuzione di smussi con angolazioni variabili sugli spigoli di lastre di vetro, marmo, materiali lapidei o ceramici in genere

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Publication Number Publication Date
EP1649975A1 EP1649975A1 (de) 2006-04-26
EP1649975B1 true EP1649975B1 (de) 2007-07-11

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EP05108523A Active EP1649975B1 (de) 2004-10-21 2005-09-16 Vorrichtung für das Herstellen von Kanten mit veränderbaren Schrägen auf dem Rand des Glases, des Marmors, der Stein- oder keramischen Materialplatten und der dergleichen

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EP (1) EP1649975B1 (de)
AT (1) ATE366640T1 (de)
DE (1) DE602005001597T2 (de)
ES (1) ES2289658T3 (de)
IT (1) ITTO20040134U1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022100199A1 (de) 2022-01-05 2023-07-06 Benteler Maschinenbau Gmbh Glaskantenbearbeitungsanlage

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
WO2009034588A1 (en) * 2007-09-13 2009-03-19 Forvet S.R.L. Grinding assembly for glass slabs and grinding head for a rectilinear grinding machine equipped with such assembly
IT1393384B1 (it) * 2009-03-19 2012-04-20 Ferrari Sistema di distribuzione, recupero e trattamento acqua integrato per linea di squadratura di piastrelle ceramiche
ITVR20100136A1 (it) * 2010-07-08 2012-01-09 Montresor & C Srl Macchina lucidacoste
CN104924176A (zh) * 2015-06-10 2015-09-23 李永亮 异形材料斜边或周边加工机床
DE102016110651A1 (de) * 2016-06-09 2017-12-14 Bystronic Lenhardt Gmbh Vorrichtung und Verfahren zum Besäumen von Glastafeln
CN109048543B (zh) * 2018-09-10 2019-12-10 成都积微物联集团股份有限公司 一种镀锌钢板自动加工系统及镀锌钢板自动加工方法
IT201900001347A1 (it) * 2019-01-30 2020-07-30 Elettromeccanica Bovone Srl Apparato spigolatore per lastre piane
CN111823137A (zh) * 2019-04-22 2020-10-27 均豪精密工业股份有限公司 角度调整装置
CN113942083A (zh) * 2021-11-09 2022-01-18 江西南丰振宇实业集团有限公司 生态板材加工中的裁边机构

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US4060938A (en) * 1976-04-20 1977-12-06 Barron Sr Lee H Glass beveling machine
IT1278450B1 (it) * 1994-10-27 1997-11-20 Alberto Sardo Perfezionamenti alle macchine rettilinee a profilo variabile per la lavorazione a bisello,a smusso,a filo piatto delle lastre di vetro
IT1303721B1 (it) * 1998-11-09 2001-02-23 Romeo Toniolo Dispositivo automatico di sostituzione delle mole abrasive nellemacchine previste per la profilatura e lucidatura di manufatti
ITTO20030297A1 (it) * 2003-04-16 2004-10-17 Forvet Srl Testa di molatura per una macchina di molatura di
ITVR20030049U1 (it) * 2003-10-01 2005-04-02 Montresor & C Srl Dispositivo a dima per il controllo della movimentazione di frese diam antate o simili, applicabile su macchine lucidacoste di lastre in mate riale lapideo.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022100199A1 (de) 2022-01-05 2023-07-06 Benteler Maschinenbau Gmbh Glaskantenbearbeitungsanlage
EP4209304A1 (de) 2022-01-05 2023-07-12 Benteler Maschinenbau GmbH Glaskantenbearbeitungsanlage

Also Published As

Publication number Publication date
ITTO20040134U1 (it) 2005-01-21
EP1649975A1 (de) 2006-04-26
DE602005001597T2 (de) 2008-06-12
ES2289658T3 (es) 2008-02-01
ATE366640T1 (de) 2007-08-15
DE602005001597D1 (de) 2007-08-23

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