CN101291776A - Appliance for tactile sensing a spectacle frame and related grinding machine - Google Patents
Appliance for tactile sensing a spectacle frame and related grinding machine Download PDFInfo
- Publication number
- CN101291776A CN101291776A CNA2006800391526A CN200680039152A CN101291776A CN 101291776 A CN101291776 A CN 101291776A CN A2006800391526 A CNA2006800391526 A CN A2006800391526A CN 200680039152 A CN200680039152 A CN 200680039152A CN 101291776 A CN101291776 A CN 101291776A
- Authority
- CN
- China
- Prior art keywords
- detector
- edge
- blade
- axis
- frame
- 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
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
- B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
- B23Q35/24—Feelers; Feeler units
- B23Q35/26—Feelers; Feeler units designed for a physical contact with a pattern or a model
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Eyeglasses (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention concerns an appliance (11) comprising means (23) for positioning a spectacle frame, a tactile sensor probe (25) including a support (31) and a tactile sensing blade (33), and means (27) for relatively moving the support (31) with respect to the positioning means (23), about an axis of rotation (C-C'), along said axis (C-C') and radially relative to said axis (C-C'). The appliance (11) comprises means (95, 61) for measuring, for each angular position of the blade (33) about the axis of rotation (C-C'), the radial and axial position of the blade (33). The blade (33) has on its edge a tactile sensing ridge (37) converging away from the support (31) in the direction of the radial axis (B-B'). The tactile sensing ridge (37) is designed to be contacted with the frame (15). The tactile sensing ridge (37) forms, by projection on a plane perpendicular to the radial axis (B-B'), a concave line. The invention is applicable to tactile sensing of spectacles with concavo-convex lenses.
Description
Technical field
The present invention relates to a kind of device of surveying spectacle-frame, described device is the type that comprises following formation:
Be used to locate the detent mechanism of spectacle-frame;
Detector comprises support member and the detector blade that is carried by this support member;
Relative motion mechanism is used for relative positioning mechanism and centers on rotation, always moves described support member along described axis and relative to the footpath of described axis; And
Measuring mechanism is used for measuring around residing each angle position of rotation at the detector blade the radial and axial position of this blade;
The detector blade has the detector edge at its end face, and this edge radially axis converges away from support member, and this detector edge designs becomes to be used to contact described spectacle-frame.
Described device is used for detection plane or on-plane surface picture frame, and especially for surveying crooked glasses, promptly its eyeglass costa colpi (bezel) is not the plane.
Background technology
FR-A-2777817 discloses a kind of detector assembly of the above-mentioned type, makes it can measure the accurate profile of the eyeglass costa colpi that forms in the spectacle-frame, be used to receive eyeglass.Be sent to edge polisher with this profile that obtains by the mode of surveying spectacle-frame, so that the shape of optical mirror slip is processed accurately to mate the size of spectacle-frame.
The detector of described device is formed by plane blade, and this plane blade has the tip of the bottom of haptic lens costa colpi in detection process.
This assembly is not to make us satisfied fully.The tip of blade is easy to be stuck in the eyeglass costa colpi, particularly has irregular when surface when the eyeglass costa colpi, for example at the closure place of edge.
In order to address this problem, to be known that and to use a kind of slick and sly terminal planar detector blade that has.
Yet when spectacle-frame was bending, such blade was deviate from the eyeglass costa colpi easily in detection process, thereby reduced the reliability of surveying.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of detector assembly that is used to survey spectacle-frame, the spectacle-frame of all shapes is detected, particularly Wan Qu spectacle-frame in mode reliable and that reappear.
For this reason, the invention provides a kind of detector assembly of the above-mentioned type, it is characterized in that, the detector edge projection forms concave on the plane perpendicular to longitudinal axis.
Detector assembly of the present invention can comprise following one or more feature individually or with any technical feasible compound mode:
Concave is continuously differentiable substantially;
Concave is inverted U-shaped substantially;
Concave is an inverted V-shaped;
The detector edge projection forms continuously differentiable substantially curve on perpendicular to the plane of rotation;
This curve is semicircular substantially;
The detector blade substantially at it on the whole length of longitudinal axis, on cutting plane, have recessed cross section perpendicular to longitudinal axis;
Detent mechanism comprises the mechanism that is used for directed recessed spectacle-frame, make its concave side to the opposite direction of recessed side of detector edge concave; And
Rotation is vertical axis substantially, makes the concave side of concave downward.
The present invention also provides a kind of optical mirror slip edge polisher, it is characterized in that, it comprises aforesaid detector assembly.
Description of drawings
Only with the mode of example and the description that provides with reference to the accompanying drawings, the present invention may be better understood for the general below reading.In the accompanying drawings:
Fig. 1 is the stereogram of 3/4ths of the parts of the present invention's first detector assembly;
Fig. 2 is the fragmentary cross-sectional view through a vertical plane of the spectacle-frame edge of being surveyed by the device among Fig. 1;
Fig. 3 is the partial plan of the detector blade of the device among Fig. 1;
Fig. 4 A and 4B are that blade among Fig. 3 is at the cutaway view of two angle positions surveying spectacle-frame shown in Figure 1;
Fig. 5 A and 5B are the views that is similar to Fig. 4 A and 4B, the detector blade of expression the present invention second device; And
Fig. 6 comes the schematic diagram of details in the presentation graphs 1 with the detector blade around four continuous positions in the spectacle-frame edge traveling process.
The specific embodiment
This detector assembly 11 is contained in the optical mirror slip edge polisher 17, for example the type of putting down in writing among the patent application FR-A-2852878.
As depicted in figs. 1 and 2, spectacle-frame 15 comprises edge 18, and the inboard of this edge 18 forms eyeglass costa colpi 13.Edge 18 passes through closure member 19 closures in the side.
Therefore, when edge 18 horizontal positioned, when making its mirror leg (not shown) up, circumferentially have at least two acclivitous rising parts 21 and at least two downward-sloping sloping portions 22 at it along clockwise direction.
Thereby in illustrated embodiment, edge 18 has the recessed shape in the sensing.
As shown in Figure 2, eyeglass costa colpi 13 is in the inboard of edge 18 around the whole periphery of edge 18.This eyeglass costa colpi 13 has the basic cross section of V-arrangement that is.
Referring to Fig. 1, detector assembly 11 comprises the detent mechanism 23 that is used to locate spectacle-frame 15, and detector 25 is used for the relative motion mechanism 27 of relative positioning mechanism 23 mobile detectors 25, and the control and the measuring unit 29 that are used to control and measure detector 25 motions.
As an example, main body 35 is that metallic plate by the thickness compacting littler than its length and width forms.
On its whole length, main body 35 has prone recessed cross section on the cross section perpendicular to its axis B-B '.
Therefore, the concave side of this part main body 35 is to the direction opposite with the recessed side of edge 18.
As shown in Figure 3, main body 35 has diametrically the detector edge of assembling towards longitudinal axis B-B ' 37 on its free end face away from support member 31.Edge 37 is used for the bottom of haptic lens costa colpi 13 when surveying spectacle-frame, and this will be described below.
As shown in Figure 3, in the time of on projecting to perpendicular to the horizontal plane of vertical axis A-A ', edge 37 forms continuously differentiable substantially curve with semi-circular shape.Therefore, detector edge 37 does not have cusp, is stuck in the degree of spectacle-frame 15 coarse parts thereby limited it, particularly is stuck near the closure member 19.In a variation, edge 37 forms the curve of parabolic shape, and its profile is calibrated to the distance that can accurately determine between rod 31 and spectacle-frame and edge 37 contact points.
In addition, shown in Fig. 4 A, detector edge 37 forms nonplanar curve on projecting to perpendicular to the vertical plane of longitudinal axis, and has the recessed shape in the sensing.
Concave is flat inverted U-shaped shape substantially.
Concave is continuously differentiable substantially, spends to the angle between 170 degree 120 in formation scope between its top and its side.In addition, the vertical plane that comprises longitudinal axis B-B ' forms the described relatively 39 He You districts 41, left side district in the face of claiming on edge 37.
As shown in Figure 1, motion 27 comprises can be around the horizontal round turntable 45 of its vertical axis C-C ' rotation, and the support frame 47 by rotating disk 45 carryings is used for the slide block 49 of radial directed detector 25, and the sleeve 50 that is used for axial lead detector 25.
Rotating disk 45 has a cover tooth 51 at its periphery, it can be driven around axis C-C ' rotate.
Two parallel horizon bars 53 of framework 47 carryings are contained in the both sides of rotating disk 45 diameters, and are positioned at the top of rotating disk 45.
The installation of slide block 49 can be along rod 53 radial translation freely.
Control and measuring unit 29 comprise and are used to drive the driving mechanism 55 of rotating disk 45 around axis B-B ' rotation, be used to drive the radially driving mechanism 59 of axis translation of slide block 49, and be used for driving rod 31 along the driving mechanism 61 of its vertical axis A-A ' in sleeve 50 translations.
This unit 29 also comprises: detecting sensor 63 is used to detect the angle position of rotating disk around its axis C-C '; Measuring transducer 65, the position that is used for slide block 49 is the radial position of basic measurement rod 31 relative axis C-C '; And measuring transducer 67, be used for measuring rod 31 along axis A-A ' the upright position.
In a variation, this unit 29 comprises the angle step actuator, can calculate the angle position of rotating disk 45 around axis C-C '.At this moment, this unit no longer has detecting sensor 63.
The detection of the spectacle-frame 15 of 11 pairs of bendings of the present invention's first detector assembly is described below.
During beginning, spectacle-frame 15 is contained on the anchor clamps 23, and above the mechanism 27 of mobile detector 25, remains on the basic horizontal position, make its mirror leg (not shown) up.
Then, under the help of radial drive mechanism 59 and axial actuating mechanism 61, when its axis C-C ' is in the initial angle position, make the bottom of detector blade 33 haptic lens costa colpis 13 at rotating disk 45.
Then, detector edge 37 is pressed against the bottom of eyeglass costa colpi 13.
Then, rotating disk 45 is rotated around its axis C-C '.Then, the motion of unit 29 control slide blocks 49 and rod 31, keep detector edge 37 blade 33 around each angle position of axis C-C ' bottoms of haptic lens costa colpi 13 all.
Then, unit 29 record rods 31 are in the axial and radial position of rotating disk 45 around each angle position of axis C-C '.Then calculate the profile of eyeglass costa colpi 13 according to the average length of excellent 31 positions of measuring and detector blade 33.
The recessed shape at detector edge 37, on projecting to and in the direction opposite with the recessed shape of edge 18 perpendicular to the vertical plane of longitudinal axis B-B ', make blade be pressed on the eyeglass costa colpi 13 always, limited any risk that blade 33 is deviate from eyeglass costa colpi 13 simultaneously, shown in Fig. 4 A and Fig. 4 B.
As shown in Figure 6, when blade 33 during in relative along clockwise direction spectacle-frame 15 motions of the rising part of spectacle-frame 15 (upper right with lower-left), the left side district 39 haptic lens costa colpis 13 at detector edge 37, and in sloping portion 22 (upper left and bottom right), the bottom of then right district 41 haptic lens costa colpis 13.
Therefore, when edge 37 moved near edge 18, the contact point between detector edge 37 and the edge 18 can opposite edges 37 move between 39 He You districts 41, left side district.
Therefore, shown in Fig. 4 A and Fig. 4 B, the zone 39 or 41 of detector edge 37 contact edges 18 has the angle of inclination that equals edge 18 substantially, and no matter how the position of blade 33 around edge 18 is not always the case.
In having second detector assembly of detector blade 33, shown in the partial graph of Fig. 5 A and Fig. 5 B, detector edge 37 forms the line of flat inverted V-shaped shape on projecting to perpendicular to the plane of longitudinal axis B-B '.
In aforesaid the present invention, detector edge 37 is projecting to perpendicular to the recessed shape on the plane of longitudinal axis B-B ', and the circular shape on the blade that projects to the axis C-C ' that rotates around it perpendicular to detector 25, make it can survey crooked spectacle-frame 15, and do not have detector blade 33 to be stuck in any risk of eyeglass costa colpi 13 bottoms, particularly near the closure member 19 of edge 18, limited any risk that blade 33 is deviate from eyeglass costa colpi 13 simultaneously.
Claims (10)
1. device (11) of surveying spectacle-frame (15), described device is the type that comprises following formation:
Be used to locate the detent mechanism (23) of spectacle-frame (15);
Detector (25) comprises support member (31) and the detector blade (33) that is carried by this support member (31);
Relative motion mechanism (27) is used for relative positioning mechanism (23) around rotation (C-C '), always move described support member (31) along described axis (C-C ') and relative to the footpath of described axis (C-C '); And
Measuring mechanism (59,61) is used for measuring the radial and axial position of this blade (33) at detector blade (33) around residing each angle position of rotation (C-C ');
Detector blade (33) has detector edge (37) at its end face, and this detector edge radially axis (B-B ') converges away from described support member (31), and this detector edge (37) is designed for contacting described spectacle-frame (15);
Described device is characterised in that, described detector edge (37) forms concave on the plane that projects to perpendicular to longitudinal axis (B-B ').
2. detector assembly according to claim 1 (11), wherein said concave are continuously differentiable substantially.
3. detector assembly according to claim 2 (11), wherein said concave are inverted U-shaped substantially.
4. detector assembly according to claim 1 (11), wherein said concave is an inverted V-shaped.
5. according to the described detector assembly of above-mentioned any one claim (11), wherein said detector edge (37) forms continuously differentiable substantially curve on the plane that projects to perpendicular to rotation (C-C ').
6. detector assembly according to claim 5 (11), wherein said curve are semicircular substantially.
7. according to the described detector assembly of above-mentioned any one claim (11), wherein said detector blade (33) basically at it on the whole length of longitudinal axis (B-B '), on cutting plane, have recessed cross section perpendicular to longitudinal axis (B-B ').
8. according to the described detector assembly of above-mentioned any one claim (11), wherein said detent mechanism (23) comprises the mechanism that is used for directed recessed spectacle-frame (15), the concave side that makes spectacle-frame (15) to the opposite direction of recessed side of detector edge (37) concave.
9. according to the described detector assembly of above-mentioned any one claim (11), and wherein said rotation (C-C ') be vertical axis substantially, make the concave side of described concave downward.
10. the edge polisher of an optical mirror slip (17), described edge polisher is characterised in that and comprises according to the described detector assembly of above-mentioned any one claim (11).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0510716A FR2892332B1 (en) | 2005-10-20 | 2005-10-20 | APPARATUS FOR PALAPING A GLASSES FRAME AND ASSOCIATED GRINDING MACHINE |
| FR0510716 | 2005-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101291776A true CN101291776A (en) | 2008-10-22 |
Family
ID=36617187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800391526A Pending CN101291776A (en) | 2005-10-20 | 2006-09-27 | Appliance for tactile sensing a spectacle frame and related grinding machine |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20080072860A (en) |
| CN (1) | CN101291776A (en) |
| FR (1) | FR2892332B1 (en) |
| WO (1) | WO2007045734A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764652A (en) * | 2013-11-26 | 2016-07-13 | 埃西勒国际通用光学公司 | Method for beveling an ophthalmic lens |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2925963B1 (en) * | 2008-01-02 | 2010-08-13 | Briot Int | APPARATUS FOR PALPING AN OPTICAL GLASS MOUNT AND ASSOCIATED METHOD |
| FR2935812B1 (en) * | 2008-09-11 | 2011-05-13 | Briot Int | APPARATUS FOR PALPING OPTICAL LENSES AND ASSOCIATED METHOD. |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2047381C3 (en) * | 1970-09-25 | 1974-04-18 | Friedrich Deckel Ag, 8000 Muenchen | Stylus for a two- or three-dimensional copier |
| FR2229213A6 (en) * | 1973-05-09 | 1974-12-06 | Asselin Robert | Optical lense grinder - with copying mechanism for spectacle rim |
| DE2332001C3 (en) * | 1972-06-28 | 1980-07-10 | Robert Raymond Maurice Asselin | Edge grinding machine for eyeglass lenses |
| FR2297115A1 (en) * | 1975-01-10 | 1976-08-06 | Essilor Int | PROBE FOR CONTOUR READING DEVICE, CONTOUR READING DEVICE EQUIPPED WITH SUCH A PROBE AND APPLICATIONS |
| FR2637830B1 (en) * | 1988-10-18 | 1994-03-18 | Briot International | IMPROVED PROBE FINGER FOR GLASSES COPYING MACHINE |
| US5450335A (en) * | 1992-08-05 | 1995-09-12 | Hoya Corporation | Method of processing spectacle frame shape data |
| US5515612A (en) * | 1993-01-08 | 1996-05-14 | Hoya Corporation | Apparatus for measuring the shape of a frame of spectacles |
| JP3374869B2 (en) * | 1993-12-28 | 2003-02-10 | 株式会社トプコン | Frame shape measuring device |
| EP0689900B1 (en) * | 1994-04-20 | 1999-08-25 | Kabushiki Kaisha Topcon | Apparatus for measuring a lens frame configuration |
| FR2751433B1 (en) * | 1996-07-18 | 1998-10-09 | Essilor Int | PROCESS FOR TAKING UP THE CROWNING SECTION OF A GLASSES FRAME, CORRESPONDING SENSOR, AND APPLICATION OF THIS PROCESS TO OVERFLOWING THE MOUNTING GLASS |
| FR2763707B1 (en) * | 1997-05-20 | 1999-07-16 | Jacky Jerome | OPTICAL MEASUREMENT UNIT |
| FR2777817B1 (en) * | 1998-04-27 | 2000-07-13 | Briot Int | METHOD AND APPARATUS FOR PALPING GLASSES, AND CORRESPONDING GRINDING MACHINE |
| US6315642B1 (en) * | 2000-04-13 | 2001-11-13 | Briot International | Method and apparatus for the tracing of spectacle frames, and corresponding grinding machine |
-
2005
- 2005-10-20 FR FR0510716A patent/FR2892332B1/en not_active Expired - Fee Related
-
2006
- 2006-09-27 CN CNA2006800391526A patent/CN101291776A/en active Pending
- 2006-09-27 WO PCT/FR2006/002191 patent/WO2007045734A1/en active Application Filing
- 2006-09-27 KR KR1020087012039A patent/KR20080072860A/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105764652A (en) * | 2013-11-26 | 2016-07-13 | 埃西勒国际通用光学公司 | Method for beveling an ophthalmic lens |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20080072860A (en) | 2008-08-07 |
| FR2892332A1 (en) | 2007-04-27 |
| FR2892332B1 (en) | 2008-02-01 |
| WO2007045734A8 (en) | 2007-06-14 |
| WO2007045734A1 (en) | 2007-04-26 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |