WO1999052673A1 - Installation pour façonner les bords de verres de lunettes - Google Patents

Installation pour façonner les bords de verres de lunettes Download PDF

Info

Publication number
WO1999052673A1
WO1999052673A1 PCT/EP1998/006913 EP9806913W WO9952673A1 WO 1999052673 A1 WO1999052673 A1 WO 1999052673A1 EP 9806913 W EP9806913 W EP 9806913W WO 9952673 A1 WO9952673 A1 WO 9952673A1
Authority
WO
WIPO (PCT)
Prior art keywords
glasses
spectacle lens
processing
raw
processing machine
Prior art date
Application number
PCT/EP1998/006913
Other languages
German (de)
English (en)
Inventor
Lutz Gottschald
Original Assignee
Wernicke & Co. Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wernicke & Co. Gmbh filed Critical Wernicke & Co. Gmbh
Priority to EP98961116A priority Critical patent/EP1069971B1/fr
Priority to DE59803111T priority patent/DE59803111D1/de
Publication of WO1999052673A1 publication Critical patent/WO1999052673A1/fr

Links

Classifications

    • 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
    • B24B9/14—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 optical work, e.g. lenses, prisms
    • 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • 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
    • B24B41/005—Feeding or manipulating devices specially adapted to grinding machines

Definitions

  • the invention relates to a system for shaping the edges of glasses with the help of
  • Spectacle lens edge processing machines that have a slowly rotating spectacle lens holding shaft for clamping raw glass to be machined and a grinding wheel arrangement parallel to it.
  • the shaping of spectacle lenses takes place in such a way that the spectacle lens holding shaft is moved radially towards and away from the grinding wheel arrangement relative to the grinding wheel arrangement in accordance with the shape of the spectacle lens to be machined, this movement as copy processing by means of a shaping disc arranged on the spectacle lens holding shaft or CNC-controlled , can be made without a shaped disk by means of data stored in a control system.
  • DE 41 27 094 C2 by the same applicant describes a system for grinding the optical surfaces and / or the peripheral edge of spectacle lenses with at least one grinding wheel, at least one rotatable holder for an eyeglass lens blank, at least one device for controlling the grinding according to specifiable optical values and / or a predeterminable outline shape of the spectacle lens, at least one input device for the optical values of the spectacle lens and / or for the decentration values of the predetermined outline shape and / or the axis position and / or the position of the near part with reference to the optical axis of a spectacle lens blank to be ground and at least one Control device connected to the input device described, in which at least one CNC-controlled handling device connected to the control device for receiving and positioning the lens blank according to the values entered into the input device and for
  • This handling device can be used to form a raw glass to be machined into one
  • Insert the lens processing machine is processed there and then removed again from the lens processing machine. Since as a rule a right and a left spectacle lens have to be produced, the corresponding blanks are inserted one after the other into the spectacle lens edge processing machine and removed again after processing. Although several, side-by-side lens processing machines are described in this document, there is no reference to the edge processing of the left and right lenses in different machines.
  • DE 44 14 784 C2 from the same applicant also has a system for grinding the peripheral edge and / or an optical surface of spectacle lenses with at least one grinding wheel, at least one rotatable holder for a spectacle lens blank, at least one device for CNC-controlled grinding of the blank according to one Predeterminable outline shape of the spectacle lens, at least one input device connected to the control device for the optical values of the finished spectacle lens, such as the axis position of a cylindrical or prismatic section and / or the position of a close-up part and / or the decentration values of the predetermined outline shape with reference to the optical axis of the spectacle lens blank described, in which there is at least one handling device for receiving and positioning the lens blank according to the values entered in the input device and a detection device arranged in the working area of the handling device End of a holder for the lens blank, a lighting device for the lens holder held on the holder and an opto-electronic scanning device with an electronic image processing and evaluation system for - 3 -
  • Detection of used markings such as dots, crosses, notches on the edge of the lens blank or the position of an existing near part and a control device for the handling device for accurately inserting the lens blank into the holder according to the markings detected by the detection device are provided.
  • a lens blank marked by dots, crosses, notches on the circumferential edge and / or at least one clearly defined near part is inserted into the holder of the recognition device by means of the handling device or by hand, whereupon the recognition device designed as a CCD camera takes an image of the lens blank, using the electronic one Image processing and evaluation system evaluates that signals relating to the axial position of a cylindrical or prismatic cut and / or the position of a close-up part are determined and input into the control device for the handling device.
  • the handling device then grips the lens blank with respect to the optical and / or the decentration values mentioned and inserts the lens blank in accordance with these values into the holder of a lens edge grinding machine, which then automatically carries out the shape grinding of the lens blank in a CNC-controlled manner.
  • the handling device has a movable pick-up with a single suction device for introducing the spectacle lens blanks into the detection device and a plurality of suction cups arranged in an arc shape for transferring the spectacle lens blanks from the detection device into the rotatable holder, with the arc-shaped suction device providing a central receptacle between the half-shafts of the rotatable holder is guaranteed.
  • a left and a right spectacle lens are picked up in succession by the handling device and arranged in one in the working area of the handling device - 4 -
  • the invention is based on the problem of speeding up the manufacture of left and right spectacle lenses for an eyeglass frame and of simplifying the associated operations.
  • a system for shaping the edges of spectacle lenses which, according to the invention, includes a processing machine for shaping a left spectacle lens, a processing machine for shaping a right spectacle lens, a conveyor device for raw and finished lenses arranged between the two processing machines, and at least one between the Conveying device and the two processing machines movably arranged handling device for removing two raw glasses from the conveyor, for inserting a raw lens in each processing machine, for removing one finished lens from each processing machine and for returning to the conveyor.
  • the two raw glasses to be processed are transported into the area of the handling device, picked up by the handling device, inserted into the two processing machines and processed at the same time, so that it is neither necessary to insert the raw glasses into the spectacle lens edge processing machines by hand, still time is lost to process a left and a right lens.
  • a handling device can preferably be arranged to be movable on a guide that extends across the processing machines and on which the handling device can be moved into the area of the processing machines and the conveying device in order to accommodate raw glasses into which - 5 -
  • a handling device for each processing machine can preferably be provided between the conveyor device and the respective processing machine, which can simultaneously receive raw glasses, load the processing machines and remove finished glasses from the processing machines and put them back on the conveyor device. In this way there is no loss of time when inserting the raw glasses and removing the finished glasses.
  • a conveyor belt can be arranged parallel to the two processing machines for the transport of the raw glasses and for the removal of the finished glasses, while the conveyor between the processing machines can also consist of a conveyor belt which is arranged perpendicular to the other two conveyor belts.
  • the raw glasses can be removed in pairs from a transport box transported by means of the conveyor belts and put back in this by means of the handling devices.
  • the processing machines can either be arranged in such a way that the axes of the spectacle lens holding shafts run parallel to one another and to the conveying device, which simplifies the arrangement of the handling device, or the spectacle lens holding shafts of the two processing machines can run coaxially to one another and perpendicular to the conveying direction of the conveying device, as a result of which the accessibility of the Processing machines is improved.
  • a spectacle lens edge processing machine 1 for a left spectacle lens and a spectacle lens edge processing machine 2 for a right spectacle lens are located opposite one another - 6 - arranged, and the spectacle lens holding shafts from a fixed half shaft 3 and an axially movable half shaft 4 run parallel to each other.
  • the spectacle lens holding shafts 3, 4 are each in processing chambers 5 of the
  • Eyeglass lens edge processing machines 1 and 2 arranged, which can be closed by means of a hinged cover 6.
  • Diamond grinding wheels are used for processing spectacle lenses made of silicate glass, cooling fluid being supplied to the grinding gap between a raw glass 7 to be processed and clamped between the half-waves 3, 4 and a grinding wheel, not shown.
  • High-speed milling cutters or grinding wheels are used for the processing of plastic glasses. Depending on the type of plastic, processing is also carried out with the addition of a coolant or dry.
  • a conveyor device m in the form of a conveyor belt 8 is arranged between the spectacle lens edge processing machines 1, 2, the transport direction of which, in the exemplary embodiment shown, runs parallel to the axes of the spectacle lens holding shafts 3, 4.
  • Conveyor belts 11, 12 are arranged on both sides of the spectacle lens edge processing machines 1, 2, of which the conveyor belt 11 is used to transport transport boxes 13, in each of which a pair of raw glasses 7 is stored.
  • Each of the raw glasses 7 can be provided with a block or suction device 14 which, in a centering device (not shown), is positioned precisely on the raw glasses 7 in a known manner, in each case corresponding to the decentration for a left and a right spectacle lens, the angular position of a prismatic or cylindrical cut and / or the location of a near part.
  • a transport box 13 is transferred from the conveyor belt 11 in a manner not shown to the conveyor belt 8 and comes in the area - 7 - a pair of handling devices 9 movable on a portal-like guide 10 to a standstill.
  • a pair of raw glasses 7 is picked up on the block or suction device 14 by the handling devices 9 and inserted into the lens processing machine 1, 2 and machined into a left or right lens.
  • the finished glasses are removed from the spectacle lens holding shafts 3, 4 by means of the handling device pair 9 and put back into the transport box 13.
  • the conveyor belt 8 is then set in motion again and transports the transport box 13 to the conveyor belt 12, from where the transport box with the finished glasses arrives in a further processing area, where the finished glasses are inserted into the associated spectacle frame.
  • the handling devices 9 have gripping tongs 15, with the aid of which the raw glasses 7 take hold of the blocks or suckers 14 attached to them, place them between the spectacle lens holding shafts 3, 4 and allow them to be clamped in place there.
  • the handling devices 9 only need to pick up the raw glasses 7 and insert them into the spectacle lens holding shafts 3, 4 in accordance with the position recorded, so that the handling devices 9 only have to perform simple, repetitive movements.
  • raw glass glasses 7 without blocks or suction cups attached to them can also be used in the transport box 13 if the handling devices 9 have a plurality of suction cups arranged on a ring segment in accordance with DE 44 14 784 C2 , which hold the raw glasses 7 outside the clamping area of the spectacle lens holding shafts 3, 4 and for processing in - 8 - insert the spectacle lens holding shafts 3, 4.
  • the raw glasses 7 have machine-readable markings and the handling devices 9 sensors for recognizing these machine-readable markings
  • the raw glasses can also be arranged in any position in the transport box 13 if the handling devices 9 are provided in this case with a control device which ensures that the raw glasses 7 are inserted according to the machine-readable markings in the eyeglass lens holding shafts, or give signals to the eyeglass lens grinding machines 1, 2 in order to control the edge processing according to the position of the ingot lenses 7 in the eyeglass lens holding shafts 3, 4.
  • the raw glass 7 need not, as shown, be arranged horizontally in the transport box 13, but can also be vertical.

Landscapes

  • 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)

Abstract

L'invention concerne une installation permettant de façonner les bords de verres de lunettes, qui comprend une machine de façonnage (1) pour façonner un verre gauche, une machine de façonnage (2) pour façonner un verre droit, un convoyeur (8) disposé entre les deux machines de façonnage (1, 2) et prévu pour les verres bruts et les verres finis et au moins un appareil de manipulation (9) monté mobile entre les deux machines de façonnage (1, 2), servant à enlever deux verres bruts du convoyeur (8), afin d'insérer chaque verre brut dans chacune des machines de façonnage (1, 2), ainsi qu'à enlever chacun des verres finis de la machine de façonnage (1, 2) correspondante et à le replacer sur le convoyeur (8).
PCT/EP1998/006913 1998-04-08 1998-11-02 Installation pour façonner les bords de verres de lunettes WO1999052673A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP98961116A EP1069971B1 (fr) 1998-04-08 1998-11-02 Installation pour faconner les bords de verres de lunettes
DE59803111T DE59803111D1 (de) 1998-04-08 1998-11-02 Anlage zum formbearbeiten der ränder von brillengläsern

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19815728A DE19815728C2 (de) 1998-04-08 1998-04-08 Anlage zum Formbearbeiten der Ränder von Brillengläsern
DE19815728.2 1998-04-08

Publications (1)

Publication Number Publication Date
WO1999052673A1 true WO1999052673A1 (fr) 1999-10-21

Family

ID=7863976

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/006913 WO1999052673A1 (fr) 1998-04-08 1998-11-02 Installation pour façonner les bords de verres de lunettes

Country Status (3)

Country Link
EP (1) EP1069971B1 (fr)
DE (2) DE19815728C2 (fr)
WO (1) WO1999052673A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10013648A1 (de) 2000-03-18 2001-09-27 Wernicke & Co Gmbh Anlage zum Formbearbeiten der Ränder von Brillengläsern
DE10250856A1 (de) 2002-10-25 2004-05-13 Carl Zeiss Verfahren und Vorrichtung zum Herstellen von optischen Gläsern
DE10348456A1 (de) * 2003-10-14 2005-05-25 Weco Optik Gmbh Anlage zum Formbearbeiten der Ränder von Brillengläsern und Verfahren zum Handhaben von Rohgläsern und Fertiggläsern in einer derartigen Anlage
JP5987338B2 (ja) 2011-02-16 2016-09-07 株式会社ニデック 眼鏡レンズ供給システム
DE202012011690U1 (de) 2012-03-09 2013-03-13 Schneider Gmbh & Co. Kg Anlage zum Bearbeiten optischer Linsen
DE102014117291B4 (de) * 2014-11-26 2017-08-31 Holger Thomas Wallat Lagersystem für Brillengläser
DE102015015040A1 (de) * 2015-11-12 2017-05-18 Schneider Gmbh & Co. Kg Verfahren, Anlage und System zur Bearbeitung optischer Linsen
DE102016007837A1 (de) 2016-05-25 2017-11-30 Schneider Gmbh & Co. Kg Verfahren und System zur Bearbeitung optischer Linsen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006563A (en) * 1974-07-12 1977-02-08 Essilor International (Compagnie Generale D'optique) Machine for machining two faces of an ophthalmic lens
FR2327030A1 (fr) * 1975-10-10 1977-05-06 Favre Jean Procede et dispositif pour l'alimentation et l'evacuation automatiques sur une machine a usiner au gabarit des verres de lunettes
US4179851A (en) * 1978-01-24 1979-12-25 Coburn Optical Industries, Inc. Apparatus for edging ophthalmic lenses
EP0445988A2 (fr) * 1990-03-01 1991-09-11 Haruchika Precision Company Limited Appareil d'usinage de surfaces sphériques et convoyeur associé
EP0532892A1 (fr) * 1991-08-16 1993-03-24 Wernicke & Co. GmbH Installation pour le meulage des surfaces optiques et/ou des bords de verres de lunettes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418329A1 (de) * 1984-05-17 1985-11-28 Otto 4010 Hilden Helbrecht Brillenglasrandschleifmaschine
DE4414784C2 (de) * 1994-04-28 1996-07-18 Wernicke & Co Gmbh Anlage zum Schleifen des Umfangsrandes und/ oder einer optischen Oberfläche von Brillengläsern

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006563A (en) * 1974-07-12 1977-02-08 Essilor International (Compagnie Generale D'optique) Machine for machining two faces of an ophthalmic lens
FR2327030A1 (fr) * 1975-10-10 1977-05-06 Favre Jean Procede et dispositif pour l'alimentation et l'evacuation automatiques sur une machine a usiner au gabarit des verres de lunettes
US4179851A (en) * 1978-01-24 1979-12-25 Coburn Optical Industries, Inc. Apparatus for edging ophthalmic lenses
EP0445988A2 (fr) * 1990-03-01 1991-09-11 Haruchika Precision Company Limited Appareil d'usinage de surfaces sphériques et convoyeur associé
EP0532892A1 (fr) * 1991-08-16 1993-03-24 Wernicke & Co. GmbH Installation pour le meulage des surfaces optiques et/ou des bords de verres de lunettes

Also Published As

Publication number Publication date
DE19815728A1 (de) 1999-10-14
EP1069971B1 (fr) 2002-02-13
DE59803111D1 (de) 2002-03-21
EP1069971A1 (fr) 2001-01-24
DE19815728C2 (de) 2000-05-18

Similar Documents

Publication Publication Date Title
EP0868972B1 (fr) Procédé et dispositif pour l'usinage de lentilles optiques
EP3061548B1 (fr) Procédé de fonctionnement d'un dispositif rotatif pour la production de verres de lunettes a partir d'ébauches de verre
EP1554082A2 (fr) Procede et dispositif de production de verres optiques
DE4214326A1 (de) Vorrichtung zur randbearbeitung von brillenglaesern
DE102015102899B4 (de) Fräsvorrichtung für die Brillenglasfertigung mit zwei Frässtationen
EP1719582A1 (fr) Machine à fraiser et tourner à grand rendement et procédé de façonner en particulier des verres de lunettes
EP1268128B1 (fr) Systeme d'usinage des bords de verres de lunettes
DE102012101581A1 (de) Vorrichtung und Verfahren zur Bearbeitung von Brillenglasrohlingen
EP1069971B1 (fr) Installation pour faconner les bords de verres de lunettes
EP1100651B1 (fr) Meuleuse pour bords de verre de lunettes
EP2998067B1 (fr) Machine tournante simultanee pour la fabrication de verre de lunette
EP1524073A2 (fr) Dispositif pour façonner les bords de verres de lunettes et procédé pour manipuler les ébauches et les verres finis dans un tel dispositif
EP1094917B1 (fr) Dispositif de reception d'un verre a lunettes
DE10146542A1 (de) Handhabung von Gegenständen, wie Linsen
EP1932067B1 (fr) Procede s'applicant a un dispositif permettant l'usinage des bords de verres de lunettes
DE102014112702A1 (de) Vorrichtung und Verfahren zur Fertigung von Linsen aus einer Glasplatte
DE20022169U1 (de) Anlage zum Formbearbeiten der Ränder von Brillengläsern
DE19736789C2 (de) Brillenglasbearbeitungsmaschine
DE19537692A1 (de) Brillenglasbearbeitungsmaschine
DE202014009978U1 (de) Vorrichtung zum Bearbeiten einer optischen Linse
DE4402782A1 (de) Vorrichtung zur Herstellung von beidseitig fertigen, gerandeten Brillengläsern
DE4336738A1 (de) Schleifvorrichtung

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 1998961116

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 09647895

Country of ref document: US

WWP Wipo information: published in national office

Ref document number: 1998961116

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: CA

WWG Wipo information: grant in national office

Ref document number: 1998961116

Country of ref document: EP