CN1087210C - Lens holding method and apparatus and lens working method - Google Patents
Lens holding method and apparatus and lens working method Download PDFInfo
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- CN1087210C CN1087210C CN97103114A CN97103114A CN1087210C CN 1087210 C CN1087210 C CN 1087210C CN 97103114 A CN97103114 A CN 97103114A CN 97103114 A CN97103114 A CN 97103114A CN 1087210 C CN1087210 C CN 1087210C
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Abstract
The invention is to provide a method of bonding a lens on a reference face of a recess plate with high precision. Therefore, in a lens holding method in which a lens to be machined is held onto a holding member and is polished by a polishing device, including adhesive is applied to a reference hold position provided in a storage part which stores the lens of the hold member, the lens is put on it, and then a face to be machined of the lens is pressed by a soft member having a contact face which is close to the face to be machined to fix the lens due to the solidification of adhesive.
Description
The present invention relates to a kind of processing method of clamp method and device and a kind of lens of lens, described clamp method and device be used for when the processing lens lens are clamped in one on processing unit (plant) as the burnishing device have dimple glass.
Lens must be processed for example thickness of lens centre with high dimensional accuracy, so that keep remarkable optical characteristics.In order to obtain high dimensional accuracy, not only require processing unit (plant) that high precision is arranged, and high precision is also arranged when requiring in lens being sticked to the cup of dimple as the burnishing device about the thickness of lens centre.
According to the conventional method in the cup that lens is sticked to dimple shown in Figure 20 A, adopted a cup 100 that dimple arranged, this glass 100 has a location dimple 101 that has as the step portion of datum level So, scribble binding agent 102 on datum level So.To be placed on the binding agent 102 with the lens Wo that fingerhold, rotate lens Wo then, and oppress lens, thereby lens Wo will be sticked on the datum level So along the direction of arrow N indication.
But according to this conventional art, owing to be pressed on the datum level So by binding agent 102 with the lens Wo of hand clamping, the spherical surface of lens Wo may closely not contact with datum level So, or lens Wo may move before binding agent 102 sclerosis.So, shown in Figure 20 B, lens Wo may be gapped when adhesion in the part of surrounding with circle A, when lens Wo is processed under the state that is in inclination with respect to datum level So, dimensional accuracy about the thickness Ho at lens centre place will reduce, at the periphery branch formation as shown in figure 21 of lens thick part G1 and thin part G2.Like this, just can not obtain having the lens of remarkable optical characteristics, thereby become a problem.
In addition, U.S. Patent No. 5,399,227 disclose a kind of laminating method of eyeglass lens, its step is that front lens is placed on the platform 20 of objective table 27, then binding agent is coated on the surface 12 of front lens, rear lens 16 is placed on the surface 12 again, by pouring weight 39 rear lens is pressed on the front lens subsequently, and by the solidified by ultraviolet ray radiation binding agent.But because platform 20 is not vibrated, rear lens can not accurately overlay on the front lens.
Therefore, said FAQs and its purpose were to provide the processing method of a kind of lens clamp method and lens clamping device and a kind of lens above the present invention had considered, wherein, lens can highly precisely stick on the datum level of cup of dimple.
In order to address the above problem and realize above-mentioned purpose, following process is arranged according to the lens clamp method of first aspect of the present invention.
Here it is, and clamping one is prepared lens processed in clamping components and comprised with the method for burnishing device polishing or processing lens: binding agent is coated in one on the benchmark retained part that one of described clamping components is used for admitting the receiving portion of lens to form lens is placed on binding agent; Oppress the target working face of lens with an elastic component with bearing-surface similar to the target working face of lens; And apply vibration to described clamping components, by acting in conjunction described lens are abutted on the benchmark retained part thus by described elastic component applied pressure and described vibration.
Lens clamp method according to second aspect of the present invention has following process.
Here it is, clamping one is prepared lens processed in clamping components and is comprised with the method for burnishing device polishing or processing lens: provide have one be used to admit lens receiving portion clamping components and have the pressue device of a flexible pressing element, described pressing element has a bearing-surface, and the curvature of this bearing-surface is corresponding to the curvature of the target working face of lens; Set the radius of curvature of bearing-surface for radius of curvature less than the target machined surface of lens; Adhesive stripe-coating on receiving portion; And on the target working face of lens, act on a pressure by flexible pressing element, thus the neighboring of lens at first oppressed by flexible pressing element, and then by the core of flexible pressing element compressing lens.
Has following layout according to being characterized as of lens clamping device of the present invention.
Here it is, a kind of processed lens of desire that are used for are clamped in a device that is used for the lens clamping components of lens processing, it is characterized by, described device comprises: have a lens clamping components that is used for the receiving portion of clamping lens, described receiving portion has the benchmark retained part that is used for the clamping lens; Be used for binding agent is coated in binding agent applying device on the benchmark retained part; Pressing element with a bearing-surface, the curvature of this bearing-surface is corresponding to the curvature of the target working face of lens; Be used for the pressue device of exerting pressure to described pressing element; And the vibration generating arrangement that is used for applying to the said lens clamping components vibration, wherein, lens abut on the described benchmark retained part by the acting in conjunction by described pressing element applied pressure and described vibration.
For technical staff in the art,, will be well understood to other purpose and advantage outside purpose discussed above and the advantage according to following explanation to the preferred embodiments of the present invention.In explanation, with reference to the accompanying drawing of as an illustration a part, this accompanying drawing shows one embodiment of the present of invention.But this example is limit various embodiment of the present invention not, therefore will be with reference to the claims that are used for determining scope of the present invention behind specification.
Fig. 1 one is used to illustrate the view of lens adhering device, and this device is used for lens are bonded at the cup that dimple is arranged according to the first embodiment of the present invention;
Fig. 2 A and 2B show the relation between elastic component and the lens in lens adhering device shown in Figure 1, and wherein, Fig. 2 A is a cutaway view, show the state of lens before pressurized, and Fig. 2 B is a cutaway view, show the state of lens when pressurized;
The reference surface that Fig. 3 A and 3B show elastic component, lens and scribble binding agent to each other relation in lens adhering device shown in Figure 1, wherein, Fig. 3 A is a partial sectional view, state when showing lens and datum level and fully closely not contacting, Fig. 3 B is a partial sectional view, the state when showing lens and fully closely contacting with datum level;
Fig. 4 is the view of the radius of curvature on expression elastic component surface;
Fig. 5 is the view of the radius of curvature of expression lens surface;
Fig. 6 is the view of the state of expression lens when floating;
Fig. 7 is the view of the radius of curvature on expression elastic component surface;
Fig. 8 is the view of the radius of curvature of expression lens surface;
Fig. 9 is the view of the state of expression lens when closely contacting with reference surface;
Figure 10 is the view of the structure of expression lenses polishing device;
Figure 11 is the view of lenses polishing device when the arrow H direction from Figure 10 is looked;
Figure 12 A and 12B are the views of the structure of expression polishing rotor;
Figure 13 is the view of the detail shape of expression lens;
Figure 14 is the views of state of lens shown in expression Figure 13 when sticking in the cup of dimple;
Figure 15 is the view of expression through the varied in thickness of the perspective of polishing/processing;
Figure 16 A and 16B show the improvement of the cup of dimple, and wherein, Figure 16 A is its plane, and Figure 16 B is its front view;
Figure 17 is when being illustrated in the processing concavees lens, and the cup of dimple and the view of the shape of elastic component are arranged;
Figure 18 is illustrated in processing during concavees lens, the view of the state the when cup that elastic component is compressed against dimple is gone up;
Figure 19 A, 19B and 19C show and are used for lens are sticked to according to the lens adhering device on the cup that dimple is arranged of second embodiment of the present invention, wherein, Figure 19 A is its plane, Figure 19 B is the cutaway view that the A-A line along among Figure 19 A of this device is got, and Figure 19 C is the cutaway view that the B-B line along among Figure 19 A of this device is got;
Figure 20 A and 20B show lens are bonded at conventional method on the cup of dimple, and wherein, the state when Figure 20 A shows lens and correctly bonds, Figure 20 B are the views that is used to illustrate the state when lens have when bonding; And
Figure 21 is used to illustrate that utilization is bonded at lens on the view of the lens that the conventional method on the cup that dimple arranged shown in Figure 20 processes.
Describe the preferred embodiments of the present invention below with reference to the accompanying drawings in detail.(first embodiment)
At first describe and be used for lens are sticked to according to the lens adhering device on the cup that dimple is arranged of the first embodiment of the present invention.
Fig. 1 is used to illustrate the view that lens is bonded at the lens adhering device on the cup that dimple is arranged of present embodiment.On base 13, be provided with a shake table 5.Place the cylindrical seat 6 that the cup of dimple is arranged with inner-diameter portion whose 6a on shake table 5, part 6a removably admits the axle shape part 8 of the cup 7 of dimple.
This embodiment illustration one of them have the cup 7 of dimple removably to be bearing in the lens adhering device of seat on 6 of the cup of dimple.Therefore, one elastic component 4 with deformable area supported 4a contacts with the whole spherical surface of lens W on being seated in binding agent 9 (referring to Fig. 3 A and 3B), this binding agent is coated on the step portion as the datum level S of cup 7 the location dimple 7a that dimple is arranged, one be used for by the pressue device of 4 pairs of lens W pressurizations of elastic component will be as described below corresponding to cup 7 layouts that dimple is arranged.
Pressue device comprises that one is contained in the pressure cylinder 1 on the supporting member 12, and this supporting member stretches out from the upper end that stands in the post 11 of also close shake table 5 on the base 13, so that the free end of supporting member 12 can arrive the top of shake table 5.This pressue device also comprises a bar 1a, and an end of bar is connected with piston (not shown) in being located at pressure cylinder 1, and the other end then integrally is fitted together with pressure head 2.When pressure fluid when the direction that bar 1a is stretched out with piston feeds to pressure cylinder 1, pressure head 2 contacts with the supporting part 3b that stretches out on the diapire of the cylindrical part 3a of the anchor clamps 3 of clamping elastic component 4, thus by 4 pairs of lens W pressurizations of elastic component.
On the other hand, elastic component 4 is to make as rubber with elastomeric material, and is inserted among the cylindrical part 3a of anchor clamps 3.Shown in Fig. 2 A, the area supported 4a that contacts with lens W has the concave surface of a sphere, and this concave surface has a radius of curvature r less than the spherical convex surface of lens W
1Radius of curvature r
2Owing to this reason, shown in Fig. 2 B, when area supported 4a to being placed on lens W when pressurization on the binding agent that is coated on the datum level S, the area supported 4a of elastic component 4 is distortion just.Area supported 4a also contacts with the land portions of lens W, and the whole sphere of lens W is consistent with area supported 4a.In other words, elastic component 4 has an area supported 4a, and it is deformable, can contact with the whole sphere of lens W thus.
The radius of curvature r of the area supported 4a of elastic component 4
2Radius of curvature r than the sphere of lens W
1Little about 0.3 to 0.5mm.
Radius of curvature r from the area supported 4a of elastic component 4
2Radius of curvature r less than the sphere of lens W
1The effect that this fact obtains will be described as follows in more detail.
Shown in Figure 4 and 5, suppose the radius of curvature r of the area supported 4a of elastic component 4
2Be slightly larger than the radius of curvature r of the sphere of lens W
1In the case, as shown in Figure 6, when making elastic component 4 coat lens W, the inner margin portion Wa of perspective W is pushed down firmly by elastic component 4, the power that acts on the peripheral edge portion Wb of lens W then weakens, then shown in reference number 70 like that, cup 7 come-ups of end Wb from dimple is arranged.Under this state, lens W can not be agglomerated into and can closely contact with the datum level S of the cup 7 that dimple is arranged.
Otherwise the present embodiment shown in the image pattern 7 and 8 is such, as the radius of curvature r of the area supported 4a that makes elastic component 4
2Radius of curvature r less than the sphere of lens W
1The time, the peripheral edge portion Wb of lens W at first is supported surperficial 4a pressurization, so peripheral edge portion Wb just elastic component 4 further be pressed against dimple glasss 7 on the time, being engaged in like that in the elastic component 4 shown in the reference number among Fig. 9 71.The inner margin portion Wa of lens W is also pushed down firmly by elastic component 4.Therefore, the whole surface of lens W just is pressed against on the cup 7 of dimple suitably, and lens W can be bonded to glasss 7 the datum level S that dimple is arranged and closely contact.
In the time of will being described in the lens adhering device that is used for according to the cup that dimple is arranged of first embodiment below, lens are sticked to the step of method on the cup of dimple.
(1) will there be the cup 7 of dimple to be preheated to predetermined temperature.
(2) afterwards, as shown in Figure 3A, binding agent 9 is coated at least on cup 7 the datum level S and its peripheral part of dimple in step (1).
(3) in step (2) afterwards, lens W is placed on the binding agent 9, and the axle shape part 8 of the cup 7 by dimple will the be arranged inner-diameter portion whose 6a of seat 6 that is inserted with the cup of dimple is installed on it and is placed with cup 7 (referring to Fig. 2 A and the 2B) that dimple is arranged of lens W.
(4) afterwards, the elastic component 4 that will be clamped in the anchor clamps 3 is placed to such state, and its area supported 4a is contacted with the lens W of cup on 7 that is placed on dimple in step (3).
(5) afterwards, driving pressure cylinder 1 makes pressure head 2 contact with the supporting part 3a of anchor clamps 3 in step (4).Lens W is pressed against on the cup 7 of dimple by elastic component 4, meanwhile, activates shake table 5, lens W is vibrated along the direction shown in the arrow X among Fig. 3 A with the cup 7 that dimple is arranged.
In above-mentioned steps, the area supported 4a of the elastic component 4 that closely contact with the sphere of lens W is on the also aforesaid peripheral part that is engaged in lens W of distortion under the pressure.The sphere of lens W is engaged among the area supported 4a, and area supported 4a closely contacts with the whole sphere of lens W.Meanwhile, lens W is vibrated by shake table 5 along the direction shown in the arrow X.Binding agent 9 between datum level S and lens W moves towards the periphery of datum level S, thereby the lens W that makes like that shown in Fig. 3 B ideally closely contacts with datum level S formation.
Apply with shake table 5 vibration during, elastic component 4 is also because the elasticity of fluid and along with cup 7 the vibration that dimple is arranged is vibrated together in the pressure cylinder 1.The area supported 4a of elastic component can not throw off with the surface of lens W.
(6) afterwards, activate a cooling fan 10, the cup 7 blow air stream towards dimple is arranged cools off and hardening binder 9 with this in step (5).
Figure 10 is that expression is used to polish the perspective view attached to the burnishing device of the lens W on the cup 7 that dimple is arranged, and Figure 11 is the side view of the arrow H direction from Figure 10 of burnishing device when looking.
Referring to Figure 10 and 11, burnishing device 200 mainly comprises a base 202, a rotary drive mechanism 204 and a wobble drive mechanism 206; Mechanism 204 is arranged on the bottom of base 202, is used for rotating on horizontal plane the cup 7 that dimple is arranged; Mechanism 206 is arranged on the top of base 202, is used to swing and drive at the polishing rotor 208 that has on the cup 7 of dimple.
The structure of the rotary drive mechanism 204 of the cup 7 be used to have dimple is described below with reference to Figure 10 and 11.Rotary drive mechanism 204 comprises a vertical axis 210, one is fixed on the upper end of vertical axis 210 lower shaft 212 with the cup that is screwed dimple, be used for bearing 214 and 216 with respect to base 202 rotatably mounted vertical axis 210 on horizontal plane, one is fixed on first frictional disk 218, a trunnion axis 220 that along continuous straight runs extends below first frictional disk 218 on the mid portion of vertical axis 210; One second frictional disk 222, it is fixed on the trunnion axis 220 and with first frictional disk 218 and contacts, and is delivered on first frictional disk 218 with the revolving force with trunnion axis 220; An and motor 224 that is used to rotate and drive trunnion axis 220.Trunnion axis 220 can be along being slided by lever 226 by the direction of arrow C indication.As shown in figure 11, operating lever 226, just can change wherein first and second frictional disks 218 contacts each other with 222, the transmission of power of motor 224 is given the state of vertical axis 210, and wherein first and second frictional disks 218 separate with 222, reach the state of vertical axis 210 from motor 224 to stop power.
On the other hand, the wobble drive mechanism 206 that is used for polishing rotor 208 comprises that one is used for being used to support along the drive rod 228, of the direction swing polishing rotor 208 of the double-head arrow B indication of Figure 10 the arm 230 of drive rod 228; One axle 232 as the axle that vertically makes arm 230 swings; One can be around an end of pivot swinging ground bolster 232, and be supported to can be along the direction vertically pivoted bearing 234 of double-head arrow F indication; One can be around the other end of pivot swinging ground bolster 232 and be supported to the bearing 236 that can slide along the direction of double-head arrow A indication; And one be used for along the direction of the arrow A indication crank mechanism 238 of driving bearing 236 slidably.Crank mechanism 238 is accepted driving force by a belt 242 from the belt wheel 240 that is fixed on the vertical axis 210, and is driven when rotating shaft 244 rotations.When rotating shaft 244 rotations, crank mechanism 238 makes bearing 237 move back and forth slidably along the direction of arrow A indication, so that axle 232 is swung around bearing 234 on horizontal plane.Arm 230 reciprocally swingings, consequently, drive rod 228 drives polishing rotor 208, makes it the direction swing along the arrow B indication.
Next door at the cup 7 that dimple is arranged is arranged on a nozzle 246 on the base 202, is used for spraying polishing fluid to lens W.
In the burnishing device 200 with said structure, when motor 224 rotation, when making lever 226 shift to the left of Figure 10, first and second frictional disks 218 contacts each other with 222, rotate to make vertical axis 210 by these frictional disks.There is the cup 7 of dimple on horizontal plane, to rotate.Meanwhile, the rotation of vertical axis 210 also is passed to crank mechanism 238, so that drive rod 228 is swung polishing rotor 208 along the direction swing of arrow B indication and along the direction of arrow B indication.At this moment, polishing fluid ejection from nozzle 246 constantly.Adopt above-mentioned action, the move polishing along arrow B direction of the lens W of cup on 7 of dimple with regard to polished cup 208 arranged, lens W then remains on the rotation on the horizontal plane, like this, and just can desired surface accuracy finishing lenses W.
Figure 12 A and 12B are the perspective views that expression is used in the polishing rotor 208 in the above-mentioned burnishing device.Figure 12 A shows the polishing rotor that is used to grind lens W.Adhesion has diamond grains on the inner surface of polishing cup 208a, and it is shaped as has the radius of curvature that equates with the radius of curvature of the refining shape of lens W.Figure 12 B shows the polishing rotor that is used to polish lens W.Be stained with the polyurethane of doing globulate on the inner surface of polishing cup 208a, it has the radius of curvature that equates with the radius of curvature of the refining shape of lens W.
To describe below and be used for according to the lens adhesive method bonding lens of the cup that dimple arranged of the present invention and the details of polishing lens.
Figure 13 shows the shape of polished lens.As shown in figure 13, these lens are a concave-convex lens, and its diameter is 51.0mm, and the radius of curvature on the surface that desire is polished is R55.56mm, and the surperficial facing surfaces polished with desire has one 44.57 radius of curvature, and the thickness of its core is 3mm.
Figure 14 is the view that expression is fixed with cup 7 the detail shape that dimple is arranged of this lens on it.Have the cup 7 of dimple that dimple 7a is arranged, the diameter of each dimple is 51.0mm, is used to hold each lens.Each dimple 7a has a datum level S, and it has the width 2.5mm of each lens that are used to bond.
Lens W shown in Figure 13 adheres to device shown in Figure 1 according to the lens adhesive method described in the present embodiment on the datum level S of cup 7 dimple 7a of dimple.At this moment, binding agent is the mixture of gum resin and tar, and will be with there being the cup 7 of dimple to be heated to 80 ℃ to 120 ℃, with softening mixture.The elastic component 4 usefulness hardness that are used to oppress lens are 20 to 40 silicon rubber manufacturing, and its thickness is 10mm or bigger.Elastic component 4 is pressed against lens on the cup 7 of dimple with 20 to 70kgf power.Apply with frequency in 30 to 70Hz vibration from shake table 5.After lens are stained with, drive cooling fan 10, will there be the cup 7 of dimple to cool off 10 to 20 minutes.
By the lens W on the aforesaid cup 7 that sticks to dimple of burnishing device shown in Figure 10 polishing, to obtain the thickness and precision of lens centre as shown in figure 15.From Figure 15, can find out significantly, when adopting the lens adhering method of present embodiment, all 30 through the center thickness of the lens of processing all within the tolerance of ± 0.05mm.But when as in conventional situation during with artificial bonding lens, lens W just floats from the datum level of cup 7 that dimple is arranged.The direction that nearly 10% lens reduce along lens thickness is gone to the tolerance outside.
As mentioned above, when the cup that lens is sticked to dimple according to method of the present invention is gone up, lens can by be bonded to suitably with have dimple glass datum level closely contact.
Below description there is the improvement of the cup of dimple.
Figure 16 A and 16B show the improvement of the cup of dimple, and wherein, Figure 16 A is its plane, and Figure 16 B is its front view.
In this embodiment, four hemispherical location dimple 27a that separate each other on the semispherical surface of the cup 27 that dimple is arranged, have been formed with shape part 28, with the location dimple 7a that has step portion on the cup 7 that dimple is arranged shown in replacement Fig. 3 A and the 3B, marginal portion of the opening of each location dimple 27a is as datum level S
1
This improvement is to lens W that to be bonded to a rare surface be semispherical surface
1Be easily.Be noted that remainder is identical with the remainder of the cup that dimple is arranged shown in Fig. 3 A and the 3B, has therefore omitted improved detailed description.
Figure 17 and 18 is views of representing to be used to polish and process the cup 7 ' that dimple is arranged of concavees lens respectively.Each is used for the shape that the cup 7 ' that dimple is arranged of concavees lens has one glass of sample, and the surface is gone up and formed the location dimple within it.The elastic component 4 ' that is used to oppress lens has a protruding sphere shape.Different with convex lens, the radius of curvature R 4 of the outer surface of elastic component will be done greatlyyer than the radius of curvature R 3 on the surface of concavees lens.For this reason, the situation when coexisting convex lens is the same, and concavees lens are closely contacted with the datum level of the cup 7 ' that dimple is arranged.The burnishing device with shown in Figure 10 is identical basically to be used to polish the burnishing device of concavees lens, and just the polished surface of polishing rotor has a protruding sphere shape.(second embodiment)
To describe below according to the second embodiment of the present invention be used to have dimple the cup the lens adhering device.
Figure 19 A shows the lens sticking device that is used for according to the cup that dimple is arranged of this embodiment to 19C, wherein, Figure 19 A is its plane, and Figure 19 B is the cutaway view that the A-A line along among Figure 19 A of this device is got, and Figure 19 C is the cutaway view that the B-B line along among Figure 19 A of this device is got.
On shake table 55, place the seat 56 of the cup that dimple is arranged of a box-shaped.At seat 56 the upper position 56a of the cup that dimple is arranged, longitudinally form five of two rows', every row through hole 56b, these holes separate each other, and the axle shape part 58 of the cup 57 of dimple is arranged in order to admittance.
The same with first embodiment shown in Fig. 1, pressue device comprises a pressure cylinder (not shown) and a bar 51a, and an end of bar links to each other with the stockaded village alive that is arranged in pressure cylinder, and the other end of bar and pressure head 52 integrally are fitted together.
In this embodiment, there is the seat 56 of the cup of dimple to support 10 cups 57 that dimple is arranged altogether.Corresponding therewith is, increased pressure board 53a has five anchor clamps 53 of the two every rows of row, and this anchor clamps clamping is used for each elastic component that is subjected to the applanation lens (not shown) 54, and these lens are placed in separately the cup 57 that dimple is arranged and the segment distance that longitudinally separates each other.
The axle shape part 53b of each anchor clamps 53 can be inserted among the pilot hole 53e that forms on the part of increased pressure board 53a with moving axially, and described increased pressure board has the cup 57 of dimple corresponding with each.Axle shape part 53b is set at the spring 53d bias voltage between the lower surface of the diapire of anchor clamps 53 and increased pressure board 53a usually, to stretch out towards the lower face side of increased pressure board 53a.
Though do not illustrate in Figure 19 A to 19C, each has the cup of dimple 57 all to have the location dimple, and with having datum level S and S respectively shown in Fig. 3 A and 3B and Figure 16 A and the 16B
1Location dimple 7a the same with 27a, this location dimple also has datum level.
In this embodiment, there is the seat 56 of the cup of dimple to support 10 cups 57 that dimple is arranged altogether, just, five cups that dimple is arranged of the two every rows of row.Corresponding is, increased pressure board 53a has 10 elastic components 54 altogether of clamping respectively, that is to say the anchor clamps 53 of five elastic components of the two every rows of row, and this elastic component longitudinally is provided with.But, can change the number of the cup that dimple is arranged according to application purpose.The number of cooling fan (not shown) can certainly change over number arbitrarily.
The step of the lens adhesive method of the lens adhering device that is used for the cup that dimple is arranged shown in Figure 19 A to 19C will be described below.
(1) each there is the cup 57 of dimple be preheating to predetermined temperature.
(2) afterwards, in step (1) in the part coating of the datum level of cup 57 the location dimple that dimple is arranged near each with binding agent.
(3) afterwards in step (2), lens are placed on the binding agent of each cup 57 that dimple is arranged, and have the axle shape part 58 of the cup 57 of dimple to be inserted with among the through hole 56b of correspondence of seat 56 of cup of dimple each, thereby be installed on it place lensed each the cup 57 of dimple is arranged.
(4) afterwards, the elastic component 54 that makes each anchor clamps 53 contacts and places it on the lens with lens on the binding agent that is placed on the cup 57 that dimple is arranged accordingly in step (3).
(5) afterwards, the driving pressure cylinder with extension bar 51, makes pressure head 52 contact with the supporting part 53c of increased pressure board 53a in step (4), thereby by the elastic component 54 compressing lens by anchor clamps 53 clampings.Meanwhile, drive shake table 55, the seat 56 of the cup by dimple is arranged makes lens with the direction vibration of the cup 57 that dimple is arranged along the double-head arrow X indication among Figure 19 B.
In above-mentioned steps, each anchor clamps 53 is usually all as described above by corresponding spring 53d bias voltage, to stretch out below the lower surface of increased pressure board 53a.When the lens negative pressure, spring 53d bending, thus the lens on the cup 57 that is placed on dimple apply a uniform pressure.
(6) in step (5) afterwards, drive each fan, have the cup 57 of dimple and anchor clamps 53 to blow cold air stream with court, thus cooling and hardening binder.
As mentioned above, in the above-described embodiment, lens be placed on be coated in dimple the cup datum level on binding agent on and by having the elastic component pressurized of deformable area supported, this area supported contacts with the whole spherical surface of lens.Meanwhile, there is the cup of dimple to be vibrated, so that the binding agent between each datum level and each lens moves to the peripheral part of datum level equably.Therefore, lens are bonded to datum level closely contact, and can not form the gap betwixt.
The present invention also can be used for the improvement of the foregoing description and change and does not deviate from spirit of the present invention and scope.
Because the present invention by top said formation, therefore can obtain following effect.
Because being agglomerated into ideally, each lens have the corresponding datum level of the cup of dimple closely to contact with each, therefore can be with high dimensional accuracy processing lens.
Can eliminate the bonding error that produces by operating personnel, and lens are can be aspect high dimensional accuracy processed during zero deflection.
In addition, because therefore a plurality of lens that can bond simultaneously can boost productivity widely.
The invention is not restricted to the foregoing description, can in spirit of the present invention and scope, make various changes and improvement.Therefore, in order to disclose scope of the present invention, stipulated following claim.
Claims (10)
1. a clamping is desired lens processed in a clamping components and with the burnishing device polishing or process the lens clamp method of these lens, be it is characterized by, and may further comprise the steps:
Binding agent is coated in a benchmark retained part that is used for admitting the receiving portion of lens to form at one of described clamping components;
Lens are placed on the binding agent;
Oppress the target working face of lens with an elastic component with bearing-surface similar to the target working face of lens; And
Apply vibration to described clamping components, by acting in conjunction described lens are abutted on the benchmark retained part thus by described elastic component applied pressure and described vibration.
2. the method for claim 1 further comprises: before above-mentioned clamping components adhesive stripe-coating above-mentioned clamping components is being heated to predetermined temperature.
3. the method for claim 1 further comprises: cool off above-mentioned clamping components with air, till the binding agent sclerosis.
4. method according to claim 1 is characterized by, and is further comprising the steps of:
Set the radius of curvature of bearing-surface for radius of curvature less than the target machined surface of lens; Thereby
At first oppress the neighboring of lens by elastic component, and then oppress the core of lens by elastic component.
5. method as claimed in claim 4 further comprises: when said lens is pressurizeed by above-mentioned elastic component, apply vibration to the said lens clamping components.
6. method as claimed in claim 4 further comprises: before above-mentioned clamping components adhesive stripe-coating, above-mentioned clamping components is heated to predetermined temperature.
7. method as claimed in claim 4 further comprises: cool off above-mentioned clamping components with air, till the binding agent sclerosis.
8. one kind is used for the processed lens of desire are clamped in a device that is used for the lens clamping components of lens processing, it is characterized by, and described device comprises:
-having a lens clamping components that is used for the receiving portion of clamping lens, described receiving portion has the benchmark retained part that is used for the clamping lens;
-be used for binding agent is coated in binding agent applying device on the benchmark retained part;
-having the pressing element of a bearing-surface, the curvature of this bearing-surface is less than the curvature of the target working face of lens;
Be used for the pressue device of exerting pressure to described pressing element; And
Be used for applying the vibration generating arrangement of vibration to the said lens clamping components,
Wherein, lens abut on the described benchmark retained part by the acting in conjunction by described pressing element applied pressure and described vibration.
9. device as claimed in claim 8 further comprises the cooling device that is used to cool off said lens.
10. device as claimed in claim 8 is characterized by, and described bearing-surface has elasticity.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP083231/96 | 1996-03-12 | ||
| JP8323196 | 1996-03-12 | ||
| JP036330/97 | 1997-02-20 | ||
| JP03633097A JP3592021B2 (en) | 1996-03-12 | 1997-02-20 | Lens holding method and lens holding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1163815A CN1163815A (en) | 1997-11-05 |
| CN1087210C true CN1087210C (en) | 2002-07-10 |
Family
ID=26375372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97103114A Expired - Fee Related CN1087210C (en) | 1996-03-12 | 1997-03-12 | Lens holding method and apparatus and lens working method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3592021B2 (en) |
| CN (1) | CN1087210C (en) |
| MY (1) | MY130438A (en) |
| TW (1) | TW371278B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127394C (en) * | 2000-01-18 | 2003-11-12 | 麦科特光電股份有限公司 | Method for fixing spherical lens to chuck |
| EP2093018B2 (en) * | 2008-02-25 | 2017-11-01 | Satisloh AG | Block piece for holding an optical workpiece, in particular a spectacle lens, for processing thereof, and method for manufacturing spectacle lenses according to a prescription |
| EP2145730A1 (en) * | 2008-07-17 | 2010-01-20 | Essilor International (Compagnie Générale D'Optique) | Lens blocking and deblocking method and related device |
| EP2516110B1 (en) * | 2009-12-24 | 2015-10-28 | Essilor International (Compagnie Générale D'Optique) | A method for mounting an optical lens to be polished |
| CN102172865B (en) * | 2011-02-01 | 2012-10-03 | 成都贝瑞光电科技股份有限公司 | Combined lens processing mold |
| CN102172867B (en) * | 2011-02-16 | 2012-10-10 | 厦门大学 | Parameter adjustable type polishing clamp device for heavy-calibre plane optical element |
| CN102172868B (en) * | 2011-02-16 | 2012-11-14 | 厦门大学 | Air floating big-calibre plane optical element polishing clamp |
| CN102837241A (en) * | 2011-06-23 | 2012-12-26 | 苏州五方光电科技有限公司 | Clamp for rounding lens |
| CN104029096B (en) * | 2014-06-12 | 2017-01-04 | 绍兴绍力机电科技有限公司 | The magnetic holding device of optical element tip relief processing and clamping method |
| CN104162824A (en) * | 2014-08-01 | 2014-11-26 | 宁波法里奥光学科技发展有限公司 | Shooting two-dimensional imaging device of full-automatic lens edge grinding machine and shooting method thereof |
| CN105965348A (en) * | 2016-07-22 | 2016-09-28 | 成都贝瑞光电科技股份有限公司 | Ball cover positioning tool |
| CN106584238B (en) * | 2016-12-30 | 2018-09-28 | 南阳英锐光电科技股份有限公司 | A kind of fixed disk of optical mirror slip cold working and fixing means |
| CN107309743B (en) * | 2016-12-30 | 2019-02-15 | 南阳英锐光电科技股份有限公司 | A kind of optical mirror slip fixer for machining |
| CN106607732B (en) * | 2016-12-30 | 2018-09-28 | 南阳英锐光电科技股份有限公司 | A kind of fixed disk of intelligence optical mirror slip cold working |
| CN107243798A (en) * | 2017-08-08 | 2017-10-13 | 福建福光光电科技有限公司 | The small raw edges polishing tool in concave surface |
| CN108127508A (en) * | 2017-12-13 | 2018-06-08 | 重庆市合川区洪川表盖有限公司 | For the process equipment of cover production |
| CN112975652B (en) * | 2021-02-23 | 2022-02-15 | 杭州职业技术学院 | Ceramic ball grinding and polishing device based on curved surface machining |
| CN115508053B (en) * | 2022-09-09 | 2023-11-07 | 北京创思工贸有限公司 | Detection system and detection method for small F-number lens part, and ion beam shaping system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02152760A (en) * | 1988-11-30 | 1990-06-12 | Olympus Optical Co Ltd | Recessed bowl |
| US5399227A (en) * | 1992-09-16 | 1995-03-21 | Abrams; Herbert M. | Composite eyeglass lens laminating holder |
-
1997
- 1997-02-20 JP JP03633097A patent/JP3592021B2/en not_active Expired - Fee Related
- 1997-03-05 TW TW086102662A patent/TW371278B/en not_active IP Right Cessation
- 1997-03-11 MY MYPI9701025 patent/MY130438A/en unknown
- 1997-03-12 CN CN97103114A patent/CN1087210C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02152760A (en) * | 1988-11-30 | 1990-06-12 | Olympus Optical Co Ltd | Recessed bowl |
| US5399227A (en) * | 1992-09-16 | 1995-03-21 | Abrams; Herbert M. | Composite eyeglass lens laminating holder |
Also Published As
| Publication number | Publication date |
|---|---|
| TW371278B (en) | 1999-10-01 |
| JP3592021B2 (en) | 2004-11-24 |
| JPH09300190A (en) | 1997-11-25 |
| CN1163815A (en) | 1997-11-05 |
| MY130438A (en) | 2007-06-29 |
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