[go: up one dir, main page]

DE1207235B - Edge grinding machine for glasses - Google Patents

Edge grinding machine for glasses

Info

Publication number
DE1207235B
DE1207235B DEK53271A DEK0053271A DE1207235B DE 1207235 B DE1207235 B DE 1207235B DE K53271 A DEK53271 A DE K53271A DE K0053271 A DEK0053271 A DE K0053271A DE 1207235 B DE1207235 B DE 1207235B
Authority
DE
Germany
Prior art keywords
frame
grinding machine
edge grinding
glasses
rocker
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DEK53271A
Other languages
German (de)
Inventor
Felix Gunter Kraus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kraus & Winter
Original Assignee
Kraus & Winter
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 Kraus & Winter filed Critical Kraus & Winter
Priority to DEK53271A priority Critical patent/DE1207235B/en
Priority to FR20759A priority patent/FR1437848A/en
Publication of DE1207235B publication Critical patent/DE1207235B/en
Pending legal-status Critical Current

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
    • B24B9/144—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 the spectacles being used as a template

Landscapes

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

Description

Randschleifmaschine für Brillengläser Die Erfindung betrifft eine Randschleifmaschine für Brillengläser mit einer das Glas tragenden, um zwei senkrecht zueinander stehende Achsen bewegbaren Schwinge und mit einem gemeinsamen synchronen Drehantrieb für Schablone und Glas, wobei das undrehbare Tastglied mittels eines Kontaktes den Arbeitsfortschritt der Maschine steuert.Edge grinding machine for spectacle lenses The invention relates to a Edge grinding machine for eyeglass lenses with one that supports the lens and two vertically mutually standing axes movable rocker and with a common synchronous Rotary drive for stencil and glass, the non-rotatable feeler element by means of a Contact controls the work progress of the machine.

Bei den bekannten Randschleifmaschinen für Brillengläser erfolgt das Kopierschleifen durch Abtasten einer Formscheibe, die der Form des Brillenglasrahmens entspricht. Hierbei besteht der Mangel, daß die Form der Brillengläser nicht immer genau die Form des Brillenglasrahmens hat, da Fabrikationsunterschiede bei den Brillenglasrahmen auftreten und dann entweder die geschliffenen Gläser zu lose im Rahmen sitzen oder überhaupt nicht in den Rahmen eingesetzt werden können.In the known edge grinding machines for spectacle lenses, the copy grinding is carried out by from button n a shaped disk that corresponds to the shape of the spectacle lens frame. The drawback here is that the shape of the spectacle lenses does not always have exactly the shape of the spectacle lens frame, since manufacturing differences occur in the spectacle lens frames and then either the ground lenses sit too loosely in the frame or cannot be inserted into the frame at all.

Es ist auch bekannt, von jedem Brillengestell eine Schablone anzufertigen und von der Schablone den Glasumriß zu kopieren. Eine solche Arbeitsweise ist umständlich. Um zum Kopieren des Glasumrisses unmittelbar den Brillengestellrahmen als Kopierschablone verwenden zu können, ist nach der Erfindung vorgesehen, daß als Schablone unmittelbar der Innenumriß des auf einer mitrotierenden Aufspannscheibe befestigten Brillenglasrahmens dient und das Tastglied auf einem den Kontakt für den Abhebetrieb der Schwinge tragenden federbelasteten Führungsschlitten angeordnet ist.It is also known to make a template of each spectacle frame and copy the outline of the glass from the template. Such a way of working is cumbersome. To copy the lens outline directly to the glasses frame frame as a template to be able to use, it is provided according to the invention that as a template directly the inner contour of the spectacle lens frame attached to a rotating clamping disk is used and the feeler member on one of the contact for the lifting operation of the rocker bearing spring-loaded guide carriage is arranged.

Das Abtastglied ist durch eine Öffnung der Aufspannscheibe hindurchgeführt.The sensing element is passed through an opening in the clamping disc.

In den Zeichnungen ist der Erfindungsgegenstand in einem Ausführungsbeispiel dargestellt. Es zeigt F i g. 1 die Vorderansicht der Schleifeinrichtung, F i g. 2 die zugehörige Draufsicht, F i g. 3 die Aufspannscheibe und F i g. 4 ein hydraulisches Schaltschema.In the drawings, the subject matter of the invention is in one embodiment shown. It shows F i g. 1 shows the front view of the grinding device, FIG. 2 the associated top view, FIG. 3 the clamping disc and F i g. 4 a hydraulic Circuit diagram.

Die Randschleifmaschine besitzt in bekannter Weise die Schleifscheibe 1, um das Schleifen und Facettieren eines Brillenglases 2 durchzuführen. Das Brillenglas 2 wird in die Spannwelle 3 mittels des Hebels 4 eingespannt.The edge grinding machine has the grinding wheel in a known manner 1, in order to carry out the grinding and faceting of a spectacle lens 2. The lens 2 is clamped in the tensioning shaft 3 by means of the lever 4.

Der Motor 5 dreht über das Getriebe 6, die Räder 7 und 8, die Welle 9 die Spannwelle 3. Über Riemen, Ketten 10 od. dgl. werden Räder 11 auf der Spannwelle 3 in Drehung versetzt.The motor 5 rotates via the transmission 6, the wheels 7 and 8, the shaft 9 the expansion shaft 3. Wheels 11 are placed on the expansion shaft via belts, chains 10 or the like 3 rotated.

Der die Spannwelle 3 tragende Rahmen 12 ist um den Zapfen 13 drehbar. Weiter ist die Spannwelle 3 um die Welle 9 schwenkbar, so daß das Brillenglas von der Schleifscheibe 1 hinweg oder zu ihr hin bewegt werden kann. Zum Randschleifen des Brillenglases kann in bekannter Weise eine Formscheibe dienen, die auf die Aufnahme 14 aufgesetzt wird.The frame 12 carrying the tensioning shaft 3 can be rotated about the pin 13. Next, the tension shaft 3 can be pivoted about the shaft 9, so that the spectacle lens of the grinding wheel 1 can be moved away or towards her. For edge sanding of the spectacle lens can be used in a known manner, a shaped disk on the recording 14 is put on.

Zum genauen Schleifen des Brillenglases 2 wird der Brillenglasrahmen 15 auf einer Aufspannscheibe 16 befestigt, die mit gleicher Geschwindigkeit wie die Spannwelle 3 rotiert. Der Antrieb erfolgt von der Welle 9 über die Scheibe 17, Kette 18 und Scheibe 19, die über den Hohlzylinder 20 mit der Aufspannscheibe 16 verbunden ist. Durch den Hohlzylinder 20 führt ein Abtaster 21, der schlittenartig geführt ist. Der Abtaster 21 wird durch zwei Führungsstangen 22,23 geführt und durch Druckfedern 24 nach oben in den Brillenglasrahmen 15 gedrückt. An dem Schlitten 25 des Abtasters 21 befindet sich ein Schalter 26. Dieser Schalter wird beim Herabsinken der Spannwelle 3 bzw. des Rahmens 12 betätigt. Der Schalter 26 öffnet ein Magnetventil 27, wodurch der Kolben 29 des Zylinders 28 den Rahmen 12 so weit nach oben drückt, bis der Rahmen vom Schalter 26 abhebt und dieser sich ausschaltet. Der Kolben 29 sinkt dann zurück. Dieser Vorgang wiederholt sich fortlaufend, bis das Glas 2 genau nach dem abgetasteten Brillenrahmen 15 geschliffen ist.For precise grinding of the spectacle lens 2, the spectacle lens frame 15 is fastened on a clamping disc 16 which rotates at the same speed as the tensioning shaft 3. The drive takes place from the shaft 9 via the disk 17, chain 18 and disk 19, which is connected to the clamping disk 16 via the hollow cylinder 20. A scanner 21, which is guided like a slide, leads through the hollow cylinder 20. The scanner 21 is guided by two guide rods 22, 23 and pressed upward into the spectacle lens frame 15 by compression springs 24. A switch 26 is located on the carriage 25 of the scanner 21. This switch is actuated when the tensioning shaft 3 or the frame 12 descends. The switch 26 opens a solenoid valve 27, as a result of which the piston 29 of the cylinder 28 pushes the frame 12 upwards until the frame lifts off the switch 26 and the latter switches off. The piston 29 then sinks back. This process is repeated continuously until the lens 2 is ground exactly in accordance with the scanned spectacle frame 15.

Zum hydraulischen Kreis gehört die Ölpumpe 30 und der Ölbehälter 31 mit dem Rücklauf 32.The hydraulic circuit includes the oil pump 30 and the oil tank 31 with the return 32.

Das Glas wird gegenüber dem Brillenrahmen um 180° verdreht geschliffen. Der Abtaster tastet den Brillenrahmen oben ab und das Glas wird unten geschliffen.The lens is ground rotated by 180 ° in relation to the glasses frame. The scanner scans the glasses frame at the top and the lens is ground at the bottom.

Claims (2)

Patentansprüche: 1. Randschleifmaschine für Brillengläser mit einer das Glas tragenden, um zwei senkrecht zueinander stehende Achsen bewegbaren Schwinge und mit einem gemeinsamen synchronen Drehantrieb für Schablone und Glas, wobei das urdrehbare Tastglied mittels eines Kontaktes den Arbeitsfortschritt der Maschine steuert, d a -durch gekennzeichnet, daß als Schablone unmittelbar der Innenumriß des auf einer mitrotierenden Aufspannscheibe (16) befestigten Brillenglasrahmens (15) dient und das Tastglied (21) auf einem den Kontakt (26) für den Abhebetrieb (28, 29) der Schwinge (12) tragenden federbelasteten (24) Führungsschlitten (22, 23, 25) angeordnet ist. Claims: 1. Edge grinding machine for spectacle lenses with a The rocker which carries the glass and is movable about two mutually perpendicular axes and with a common synchronous rotary drive for stencil and glass, whereby the Non-rotatable feeler element the work progress of the machine by means of a contact controls, d a -characterized in that the inner outline is used as a template of the rotating one Clamping disc (16) attached spectacle lens frame (15) is used and the feeler element (21) on one of the contact (26) for the lifting operation (28, 29) the rocker (12) carrying spring-loaded (24) guide carriage (22, 23, 25) is arranged. 2. Randschleifmaschine nach Anspruch 1, dadurch gekennzeichnet, daß das. Tastglied (21) durch eine Öffnung der Aufspannscheibe (16) hindurchgeführt ist. In Betracht gezogene Druckschriften: Deutsche Patentschrift Nr. 801892; y deutsche Auslegeschrift Nr,1051 677; USA.-Patenfschriften Nr. 2 674 068; 2 651890, 2451137.2. Edge sanding machine according to claim 1, characterized in that that the feeler member (21) passed through an opening in the clamping disc (16) is. Documents considered: German Patent No. 801892; y German Auslegeschrift No. 1051 677; U.S. Patent No. 2,674,068; 2 651890, 2451137.
DEK53271A 1964-06-20 1964-06-20 Edge grinding machine for glasses Pending DE1207235B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEK53271A DE1207235B (en) 1964-06-20 1964-06-20 Edge grinding machine for glasses
FR20759A FR1437848A (en) 1964-06-20 1965-06-15 Eyeglass lens grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK53271A DE1207235B (en) 1964-06-20 1964-06-20 Edge grinding machine for glasses

Publications (1)

Publication Number Publication Date
DE1207235B true DE1207235B (en) 1965-12-16

Family

ID=7226658

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK53271A Pending DE1207235B (en) 1964-06-20 1964-06-20 Edge grinding machine for glasses

Country Status (2)

Country Link
DE (1) DE1207235B (en)
FR (1) FR1437848A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557076A (en) * 1983-05-06 1985-12-10 Otto Helbrecht Grinding machine for the rims of spectacle lenses

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451137A (en) * 1947-10-09 1948-10-12 Norman Company Van Contour grinding machine for work pieces each having a hollow spherical section
DE801892C (en) * 1949-03-18 1951-01-25 Fritz Carl Ruhnke Machine for grinding the edge facets on glasses
US2651890A (en) * 1951-12-11 1953-09-15 Rubinstein Robert Automatic edge grinding machine for lenses
US2674068A (en) * 1949-08-20 1954-04-06 American Optical Corp Bevel edging machine
DE1051677B (en) * 1954-10-26 1959-02-26 Lajos Lazar Device for profiling templates for glasses

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2451137A (en) * 1947-10-09 1948-10-12 Norman Company Van Contour grinding machine for work pieces each having a hollow spherical section
DE801892C (en) * 1949-03-18 1951-01-25 Fritz Carl Ruhnke Machine for grinding the edge facets on glasses
US2674068A (en) * 1949-08-20 1954-04-06 American Optical Corp Bevel edging machine
US2651890A (en) * 1951-12-11 1953-09-15 Rubinstein Robert Automatic edge grinding machine for lenses
DE1051677B (en) * 1954-10-26 1959-02-26 Lajos Lazar Device for profiling templates for glasses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557076A (en) * 1983-05-06 1985-12-10 Otto Helbrecht Grinding machine for the rims of spectacle lenses

Also Published As

Publication number Publication date
FR1437848A (en) 1966-05-06

Similar Documents

Publication Publication Date Title
DE1627984C3 (en) Semi-automatic machine for grinding the edges of spectacle lenses
DE1652184A1 (en) Device for the automatic formation of a multitude of facets on a gemstone
DE1207235B (en) Edge grinding machine for glasses
DE671348C (en) Drive mechanism for ring spinning or ring twisting machines
DE483189C (en) Glass plate polishing machine
US2570765A (en) Method of fitting tumbler pins
DE890465C (en) Method for grinding in eccentrics for textile machines, especially for warp knitting chairs
DE913688C (en) Cutting machine, especially for glasses, with automatic diamond control
DE881760C (en) Machine for lapping the shoulder surfaces of piston rings
DE687041C (en) Stripping of knives of all kinds, in particular straight razors
US2456410A (en) Gear grinding machine
AT163455B (en) Lens grinding and polishing machine with working spindles arranged in a straight line
DE354459C (en) Ironing machine
DE556584C (en) Machine for grinding and polishing curved surfaces
DE563799C (en) Crank loop with overcoming dead center
AT139411B (en) Stretching device for the production of capsules for bottles u. like
DE558534C (en) Machine for buffing u. Like. Of workpieces that run irregularly in the circumferential direction
DE826709C (en) Sandstone with a water trough
DE612565C (en) Machine for centerless grinding and polishing of workpieces
DE538893C (en) Grinding machine for polishing surfaces and floors made of artificial stones or the like.
DE869475C (en) Shaft lifting device for looms
DE387758C (en) Machine for grinding spherical and cylindrical surfaces, especially on optical lenses
DE607528C (en) Machine for centerless grinding and polishing of workpieces
DE2004662C (en) Machine for grinding the edges of spectacle lenses
DE458830C (en) Lifting and lowering device for the grinding table of a glass grinding and polishing machine