CN101629811B - Lens bearing jig - Google Patents
Lens bearing jig Download PDFInfo
- Publication number
- CN101629811B CN101629811B CN200810302743A CN200810302743A CN101629811B CN 101629811 B CN101629811 B CN 101629811B CN 200810302743 A CN200810302743 A CN 200810302743A CN 200810302743 A CN200810302743 A CN 200810302743A CN 101629811 B CN101629811 B CN 101629811B
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- China
- Prior art keywords
- guide rail
- limit guide
- lens
- transfer station
- transfer
- 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.)
- Expired - Fee Related
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- Eyeglasses (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention provides a lens bearing jig, which comprises a conveyer table used for fixedly holding at least one circular lens to be tested, a limit guide rail and a fixed part; the conveyor table is coupled with the limit guide rail in a sliding way; and the fixed part is used for supporting the limit guide rail, and is rotationally connected with the limit guide rail. The lens bearing jig rotates by taking the fixed part as an axle center through the limit guide rail, and ensures that measuring points on the same circular lens are all positioned on the same periphery concentric with the circular lens so as to reduce measuring errors.
Description
Technical field
The present invention relates to a kind of bearing tool of lens.
Background technology
Behind the circular eyeglass injection molding, before assembling, can do measurement to circular eyeglass earlier.Usually, can use laser range finder to measure the some points on the circular eyeglass.In order to make measuring result error little, generally can on a surface of this circular eyeglass, choose some points, these some points all are positioned on the same circumference with the concyclic heart of this circular eyeglass.In the prior art, the general bearing tool of lens fixing eyeglass that adopts lens-bearing hole of survey crew with the capable b row of a.When measuring wherein a circular eyeglass, survey crew can be aimed on this circular eyeglass arbitrarily and a bit measure earlier, rotates this camera lens bearing fixture then; With the next measurement point of conversion; Because when rotation, survey crew can't guarantee that axis of rotation is constant, often cause measurement point not with the circumference of the concyclic heart of this circular eyeglass on; Thereby the lens thickness that causes each measurement point to be obtained differs greatly, and therefore makes the eyeglass lens measurement resultant error big.
Summary of the invention
In view of this, be necessary to provide a kind of bearing tool of lens that can reduce measuring error.
A kind of bearing tool of lens, it comprises: a transfer station that is used at least one circular eyeglass to be measured of fixing, a limit guide rail, a fixed part; This transfer station and this limit guide rail are slided and are coupled; This fixed part is used to support this limit guide rail, and is rotatably connected with this limit guide rail.
With respect to prior art, said bearing tool of lens is axle center rotation with the fixed part through this limit guide rail, guarantee on the same circular eyeglass measurement point all with the same circumference of the concyclic heart of this circular eyeglass on, thereby reduce measuring error.
Description of drawings
The stereographic map of the bearing tool of lens that Fig. 1 provides for first embodiment of the invention.
Fig. 2 be among Fig. 1 bearing tool of lens along the sectional view of II-II line gained.
Fig. 3 is the bearing tool of lens working state schematic representation among Fig. 1.
Fig. 4 is another working state schematic representation of bearing tool of lens among Fig. 1.
The sectional view of the bearing tool of lens that Fig. 5 provides for second embodiment of the invention.
The lens-bearing that Fig. 6 provides for third embodiment of the invention is along the sectional view of tool.
The sectional view of the bearing tool of lens that Fig. 7 provides for four embodiment of the invention.
The sectional view of the bearing tool of lens that Fig. 8 provides for fifth embodiment of the invention.
Embodiment
Please in the lump referring to Fig. 1 to Fig. 2, a kind of bearing tool of lens 100 that first embodiment of the invention provides, it comprises: 10, one limit guide rail 20 of a transfer station and a fixed part 30.
This transfer station 10 is used for carrying and transmitting at least one circular eyeglass to be measured.This limit guide rail 20 comprises a bottom 22, and two with these bottom 22 sidewalls that are oppositely arranged 24 connected vertically.The opposite side of said two sidewalls 24 correspondence respectively offers a groove 242, and the bearing of trend of this groove 242 is parallel with the direction of transfer A of this transfer station 10, the receiving space in this bottom 22 and said two sidewalls, 24 common formation.The opposite side of said transfer station 10 has the projection 12 that matches with this groove 242.This transfer station 10 matches with this groove 242 through this projection 12 and is coupled with these limit guide rail 20 slips.This fixed part 30 is a double-screw bolt, is used to support this limit guide rail 20.These limit guide rail 20 bottoms 22 are fixed with a rolling bearing 40, and these fixed part 30 1 ends make this fixed part 30 be rotatably connected with this limit guide rail 20 with the inner ring 42 of this rolling bearing 40 through being slidingly matched.It is understandable that these projection 12 edges are triangle or semicircle perpendicular to the cross section of the direction of transfer A of this transfer station 10, these corresponding groove 242 edges also are triangle or semicircle perpendicular to the cross section of the direction of transfer A of this transfer station 10.
In conjunction with Fig. 3 and Fig. 4, the course of work of this bearing tool of lens 100 is described below.Should be to be measured during circular eyeglass 80 when measuring, through the screwhole spiro bonding offered on a screw thread 32 and the carrying platform outside this fixed part 30 (scheming not show) so that this bearing tool of lens 100 is fixed on this carrying platform.During measurement; This transfer station 10 of sliding; Make laser range finder (representing the measurement foresight of laser range finder among Fig. 3 and Fig. 4 with "+") survey a measurement point B on a surface 92 aiming at this circular eyeglass 80 to be measured, obtain the B point data after, rotate to an angle with the axis of rotation dead axle of rolling bearing 40; Promptly can find next measurement point C, make this measurement point C with the circumference 90 of these circular eyeglass 80 concyclic hearts on.So analogize, just can seek all the other measurement points on circumference 90, thereby reduce measuring error.And the tester can push away this transfer station 10 along the direction of transfer A of transfer station 10, and transfer station 10 is slided in this limit guide rail 20, so the measurement of convenient next eyeglass 82.
See also Fig. 5, a kind of bearing tool of lens 100a that second embodiment of the invention provides, bearing tool of lens 100 differences that itself and first embodiment provide are that the opposite side of the two side 24a of this limit guide rail 20a is respectively equipped with a projection 242a.The bearing of trend of this projection 242a is parallel with the direction of transfer A (can join Fig. 1) of this transfer station 10a.Receiving space of the common formation of this bottom 22a and said two sidewall 24a.The corresponding both sides of said transfer station 10a have a groove 12a who matches with this projection 242a.This transfer station 10a matches with this projection 242a through this groove 12a and is coupled with this limit guide rail 20a slip, is contained in this receiving space.
See also Fig. 6, a kind of bearing tool of lens 100b that third embodiment of the invention provides, bearing tool of lens 100 differences that itself and first embodiment provide are that this limit guide rail 20b bottom surface 24b has a pillar 22b.This fixed part 30b is near on this limit guide rail 20b bottom surface 24b one end a rolling bearing 40b being installed.The inner ring 42b of this pillar 22b and this rolling bearing 40b is through sliding connection.Fixedly axle center rotation of the bearing tool of lens 100b that this embodiment provides, guarantee on the same circular eyeglass measurement point all with the same circumference of the concyclic heart of this circular eyeglass on, thereby reduce measuring error.
See also Fig. 7; A kind of bearing tool of lens 100c that four embodiment of the invention provides; Bearing tool of lens 100 differences that itself and first embodiment provide are that this limit guide rail 20c bottom surface 22c offers the circular counter bore 50c of embedded this rolling bearing 40c.The degree of depth of this circular counter bore 50c is less than this rolling bearing 40c outer ring 42c height.This rolling bearing 40c is symmetrical set two screw 44c.Two through hole 24c are offered perpendicular to direction of transfer A (can the join Fig. 1) symmetry of this transfer station 10c in this circular counter bore 50c sidewall upper edge; This bearing tool of lens 100c also comprises the screw 60c corresponding with this screw 44c.This screw 60c passes said through hole 24c and this screw 44c screws togather, and this rolling bearing 40c is fixedly connected with this limit guide rail 20c.This fixed part 30c one end and this rolling bearing 40c inner ring 46c are through sliding connection.The bearing tool of lens 100c that this embodiment provides guarantee on the same circular eyeglass measurement point all with the same circumference of the concyclic heart of this circular eyeglass on; When reducing measuring error; Also can screw out this screw 44c because of this screw 60c; And then remove this screw 60c to being fixedly connected of this rolling bearing 40c and this limit guide rail 20c, can make things convenient for the user to change the limit guide rail 20c of different model with this.
See also Fig. 8; A kind of bearing tool of lens 100d that fifth embodiment of the invention provides; Bearing tool of lens 100 differences that itself and first embodiment provide are; This limit guide rail 20d bottom surface 22d has a circular pillar 24d, and this fixed part 30d has the circular counter bore 32d that cooperates with this circle pillar 24d rotation.The internal diameter of this circular counter bore 32d is more bigger than the external diameter of said circular pillar 24d, should circle pillar 24d activity be contained in this circular counter bore 32d with this.Further, in order to reduce the friction force between this circular counter bore 32d and this circle pillar 24d, can between this circular counter bore 32d and this circle pillar 24d, coat lubricant (figure does not show), assurance should be rotated smooth in this circular counter bore 32d by circle pillar 24d.Therefore, fixedly axle center rotation of this bearing tool of lens 100d that this embodiment provides, guarantee on the same circular eyeglass measurement point all with the same circumference of the concyclic heart of this circular eyeglass on, thereby reduce measuring error.
Those skilled in the art will be appreciated that; Above embodiment only is to be used for explaining the present invention; And be not to be used as qualification of the present invention; As long as within connotation scope of the present invention, the appropriate change that above embodiment is done all drops within the scope that the present invention requires to protect with changing.
Claims (7)
1. bearing tool of lens, it comprises: a transfer station that is used at least one circular eyeglass to be measured of fixing, a limit guide rail, a fixed part; This transfer station and this limit guide rail are slided and are coupled; This fixed part is used to support this limit guide rail, and the bottom of this limit guide rail is fixedly connected with a rolling bearing, and this fixed part one end makes this fixed part be rotatably connected with this limit guide rail with this rolling bearing inner ring through being slidingly matched.
2. bearing tool of lens as claimed in claim 1 is characterized in that, this limit guide rail comprises two sidewalls that are oppositely arranged that are connected with this bottom vertical; At least one inside sidewalls offers a groove, and the bearing of trend of this groove is parallel with the direction of transfer of this transfer station, receiving space of the common formation of this bottom and said two sidewalls; The opposite side of said transfer station has a projection that matches with this groove; This transfer station matches with this groove through this projection and is coupled with this limit guide rail slip, is contained in this receiving space.
3. bearing tool of lens as claimed in claim 2; It is characterized in that; This projection edge is square perpendicular to the cross sectional shape of the direction of transfer of this transfer station; Triangle or semicircle, this groove edge is also square for what match with this projection perpendicular to the cross sectional shape of the direction of transfer of this transfer station, triangle or semicircle.
4. bearing tool of lens as claimed in claim 1 is characterized in that this limit guide rail comprises a bottom, and two sidewalls that are oppositely arranged that are connected with this bottom vertical; At least one inside sidewalls has a projection, and the bearing of trend of this projection is parallel with the direction of transfer of this transfer station, and this bottom and said two sidewalls form a receiving space; Said transfer station is corresponding to have a groove that matches with this projection; This transfer station matches with this projection through this groove and is coupled with this limit guide rail slip, is contained in this receiving space.
5. bearing tool of lens as claimed in claim 4; It is characterized in that; This projection edge is square perpendicular to the cross sectional shape of the direction of transfer of this transfer station; Triangle or semicircle, this groove edge is also square for what match with this projection perpendicular to the cross sectional shape of the direction of transfer of this transfer station, triangle or semicircle.
6. like claim 3 or 5 described bearing tool of lens, it is characterized in that this fixed part is a double-screw bolt.
7. bearing tool of lens as claimed in claim 1 is characterized in that, the bottom of this limit guide rail offers the circular counter bore of embedded this rolling bearing, and the degree of depth of this counterbore is less than this housing washer end face width; This rolling bearing is symmetrical set two screws, and two through holes are offered perpendicular to the direction of transfer symmetry of this transfer station in this counterbore sidewall upper edge; This bearing tool of lens also comprises the screw corresponding with this screw; This screw passes said through hole and this screwhole spiro bonding, and this rolling bearing is fixedly connected with this limit guide rail; This fixed part one end and this rolling bearing inner ring are through sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810302743A CN101629811B (en) | 2008-07-15 | 2008-07-15 | Lens bearing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810302743A CN101629811B (en) | 2008-07-15 | 2008-07-15 | Lens bearing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629811A CN101629811A (en) | 2010-01-20 |
| CN101629811B true CN101629811B (en) | 2012-08-29 |
Family
ID=41575010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810302743A Expired - Fee Related CN101629811B (en) | 2008-07-15 | 2008-07-15 | Lens bearing jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101629811B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982038B (en) * | 2020-08-04 | 2022-01-18 | 福建科达衡器有限公司 | High-precision error assessment measuring instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088533A (en) * | 1992-12-21 | 1994-06-29 | 庄臣及庄臣视力产品有限公司 | The device that is used for carrying ophthalmic lenses |
| CN1090043A (en) * | 1992-12-21 | 1994-07-27 | 庄臣及庄臣视力产品有限公司 | The carrying of ophthalmic lens containers and tray, conveying plate |
| CN1880938A (en) * | 2005-06-13 | 2006-12-20 | 普立尔科技股份有限公司 | Measurer for measuring core shift distance of lens |
| CN1959363A (en) * | 2005-11-02 | 2007-05-09 | 亚洲光学股份有限公司 | Method of automatic transposition test for lenses |
| CN1987348A (en) * | 2005-12-23 | 2007-06-27 | 鸿富锦精密工业（深圳）有限公司 | Accentric detector |
-
2008
- 2008-07-15 CN CN200810302743A patent/CN101629811B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088533A (en) * | 1992-12-21 | 1994-06-29 | 庄臣及庄臣视力产品有限公司 | The device that is used for carrying ophthalmic lenses |
| CN1090043A (en) * | 1992-12-21 | 1994-07-27 | 庄臣及庄臣视力产品有限公司 | The carrying of ophthalmic lens containers and tray, conveying plate |
| CN1880938A (en) * | 2005-06-13 | 2006-12-20 | 普立尔科技股份有限公司 | Measurer for measuring core shift distance of lens |
| CN1959363A (en) * | 2005-11-02 | 2007-05-09 | 亚洲光学股份有限公司 | Method of automatic transposition test for lenses |
| CN1987348A (en) * | 2005-12-23 | 2007-06-27 | 鸿富锦精密工业（深圳）有限公司 | Accentric detector |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平11-150633A 1999.06.02 |
| JP特开平4-331344A 1992.11.19 |
| JP特开平9-288041A 1997.11.04 |
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| Publication number | Publication date |
|---|---|
| CN101629811A (en) | 2010-01-20 |
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