CN209387252U - Eyeglass centring means and self-centering equipment - Google Patents
Eyeglass centring means and self-centering equipment Download PDFInfo
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- CN209387252U CN209387252U CN201920120887.6U CN201920120887U CN209387252U CN 209387252 U CN209387252 U CN 209387252U CN 201920120887 U CN201920120887 U CN 201920120887U CN 209387252 U CN209387252 U CN 209387252U
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- eyeglass
- actuator
- feeding
- conveying
- centring means
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Abstract
The utility model relates to a kind of eyeglass centring means and self-centering equipment, lens-bearing platform (2), the light source assembly (3) and detection camera (5) positioned at lens-bearing platform (2) opposite sides and coaxial arrangement, the adjustment component (6) and exposure components (4) that are located at lens-bearing platform (2) side that wherein eyeglass centring means includes supporting station (1), is connected with the supporting station (1)；The lens-bearing platform (2) is equipped with the rotary components (21) for driving lens-bearing platform (2) rotation.The self-centering equipment of the utility model is, it can be achieved that automatic loading/unloading, automatic centering detection, can carry out eccentricity detecting while improving working efficiency, advantageously ensure that centering precision.
Description
Technical field
The utility model belongs to optical technical field, is related to the centering technology more particularly to a kind of eyeglass centering dress of eyeglass
It sets and self-centering equipment.
Background technique
There is extremely important effect in the centering technique of optical technical field, optical mirror slip.Have in the prior art artificial
It carries out eyeglass centering operation and eyeglass centering two ways is carried out by mechanical equipment.
Centering operation, the especially complexity of optical centering technique are carried out to eyeglass by manual operation, manual operation is wanted
Ask higher, and manual operation subjectivity is strong, error rate is high, so that the consistency of product is poor, inefficiency, production yield is lower.
It is felt relieved and is operated by the eyeglass that mechanical equipment carries out, although self-centering operation, nothing can be carried out to eyeglass
Method carries out eccentricity detecting to enough eyeglasses of feeling relieved on mechanical equipment, and centering precision can not be effectively ensured.Meanwhile existing machinery
Equipment operates the centering of eyeglass, it is desired nonetheless to which the artificial operation of feeding and discharging for carrying out eyeglass influences whole work efficiency, is unfavorable for
The automated production of typical products in mass production.
Utility model content
The purpose of this utility model is to provide a kind of eyeglass centring means and self-centering equipment, raising efficiency guarantees
Centering precision.
To achieve the above object, the utility model provides a kind of eyeglass centring means, including supporting station and the supporting station
The lens-bearing platform that is connected, the light source assembly for being located at the lens-bearing platform opposite sides and coaxial arrangement and inspection
Survey camera, adjustment component and exposure components positioned at lens-bearing platform side；
The lens-bearing platform is equipped with the rotary components for driving the lens-bearing platform rotation.
One aspect according to the present utility model, the adjustment component include the first driving of support, bearing on the support
Part, the second actuator being supported on first actuator and the third actuator being supported on second actuator；
The third actuator is equipped with claw.
The utility model also provides a kind of self-centering equipment comprising above-mentioned eyeglass centring means, institute's self-centering equipment
Including feeding device and eyeglass centring means；
The eyeglass centring means is fixed in the first rack；
The feeding device is arranged in the second rack.
One aspect according to the present utility model, the feeding device include:
Feed tank stores multiple eyeglass charging trays；
Take-off assembly is located at the feed tank side, for the eyeglass in feed tank described in feeding；
Conveying assembly, for putting the eyeglass of the take-off assembly feeding to the eyeglass centring means and by the eyeglass
Eyeglass blanking on centring means；
Blanking component, the eyeglass for receiving the conveying assembly from the eyeglass centring means loading and unloading.
One aspect according to the present utility model, the take-off assembly include: charging tray support plate and be located at the charging tray branch
The feeding part of board side, the feeding part include: that the first feeding actuator, second be supported on the first feeding actuator take
Material actuator and the third feeding actuator being supported on the second feeding actuator；
It is connected on the third feeding actuator and drags pawl.
One aspect according to the present utility model, the charging tray support plate are equipped with idler wheel plunger.
One aspect according to the present utility model, is additionally provided with liftout driving assembly below the charging tray support plate, including the
One liftout actuator, is supported on the second liftout actuator at the second liftout actuator being supported on the first liftout actuator
On third liftout actuator；
The third liftout actuator is equipped with liftout suction nozzle.
One aspect according to the present utility model, the conveying assembly include mutually matched first conveying actuator and defeated
Feed collet pawl and mutually matched second conveying actuator and conveying suction nozzle.
One aspect according to the present utility model, the conveying clamping jaw include the first clamping jaw being oppositely arranged and the second folder
Pawl；
The conveying suction nozzle is located at the top of first clamping jaw and the second clamping jaw middle position.
One aspect according to the present utility model, the conveying clamping jaw be used for by the eyeglass of the take-off assembly feeding put to
The eyeglass centring means, the conveying suction nozzle are used for the eyeglass blanking on the eyeglass centring means.
A scheme according to the present utility model, lens-bearing platform are equipped with rotary components, and rotary components are for driving
Lens-bearing platform is rotated, so as to realize the eccentricity detecting to eyeglass.That is, the eyeglass of the utility model
The centering function of eyeglass may be implemented in centring means, can also carry out eccentricity detecting to the eyeglass after centering.Specifically, work as mirror
It after piece is fixed on lens-bearing platform, opens light source assembly and light source is provided, behind the position by adjusting component adjustment eyeglass
It is felt relieved by the image of detection camera captured in real-time to eyeglass, the eyeglass after centering is solidified by exposure components later
Processing.After eyeglass centering solidification, it can be worked with rotating electric machine, lens-bearing 2 is driven to rotate, by detection camera to eyeglass
Carry out eccentricity detecting.Eyeglass centering apparatus in compared with the prior art, it is fixed in addition to having that the eyeglass of the utility model determines device
Outside heart function, also has the function of eccentricity detecting, and easy to operate, be conducive to raising efficiency.
Adjustment component, supporting station and light source assembly are fixed at rack by a scheme according to the present utility model
On, while guaranteeing device job stability, moreover it is possible to when working together with other eyeglass charging equipments, guarantee the utility model
Eyeglass centring means not will receive the interference of other equipment, thus guarantee eyeglass centering precision and eccentricity of glasses lens detection essence
Degree.
A scheme according to the present utility model, the self-centering equipment of the utility model, due to being equipped with feed tank, feeding
Component, conveying assembly, blanking component and eyeglass centring means, automation feeding, centering blanking so as to eyeglass, simultaneously
Eccentricity detecting can also be carried out, time used in eyeglass centering technique, raising efficiency are substantially reduced.Meanwhile the utility model
Self-centering equipment uses modularized equipment, and feed tank, feeding section, conveying assembly, blanking component and eyeglass centring means are equal
It is separately provided, so that assembling and maintenance easy to operate while that be convenient for equipment.
A scheme according to the present utility model, charging tray support plate are equipped with charging tray slideway, and eyeglass charging tray is equipped with pin hole,
Drag pawl to match with the pin hole on eyeglass charging tray, under the driving of the first feeding actuator guarantee X to motion positions.In addition,
Idler wheel plunger is additionally provided on charging tray support plate, eyeglass charging tray moves right and idler wheel plunger contact, and idler wheel plunger applies positive pressure
Power overshoots to the frictional resistance generated to prevent eyeglass charging tray from generating in X-direction, guarantees the accurate of the X axis of eyeglass charging tray
Positioning.And Y-direction positioning applies Y-direction pressure to eyeglass charging tray by idler wheel plunger and makes eyeglass charging tray close to track datum level to reality
Existing Y-direction is accurately positioned.It so smoothly removes to provide for the eyeglass of eyeglass charging tray and be effectively ensured.
A scheme according to the present utility model, the take-off assembly of the utility model, due to being provided with the driving of the first liftout
Part, the second liftout actuator and third liftout actuator, and liftout suction nozzle is installed on liftout actuator.To be driven using cylinder
Dynamic positioning method guarantees that liftout suction nozzle moves to correct position and carries out feeding operation to eyeglass, convenient and efficient, simple and reliable.
Meanwhile for by the way of liftout suction nozzle, directly eyeglass can be taken out from eyeglass charging tray below lens-bearing platform,
Compared with the prior art, it is possible to reduce the batch turning number of eyeglass while guaranteeing feeding stability, is conducive to promote feeding effect
Rate.
Detailed description of the invention
Fig. 1 schematically shows the configuration diagram of the eyeglass centring means according to a kind of embodiment of the utility model；
Fig. 2 is schematically shown according to a kind of configuration diagram of embodiment lens-bearing platform of the utility model；
Fig. 3 schematically shows the internal structure diagram of the self-centering equipment according to a kind of embodiment of the utility model；
Fig. 4 schematically shows the appearance diagram of the self-centering equipment according to a kind of mode of the utility model；
Fig. 5 is schematically shown according to a kind of configuration diagram of the take-off assembly of embodiment of the utility model；
Fig. 6 is schematically shown according to a kind of local structural graph of the take-off assembly of embodiment of the utility model；
Fig. 7 is schematically shown according to a kind of configuration diagram of the conveying assembly of embodiment of the utility model.
Specific embodiment
It, below will be to implementation in order to illustrate more clearly of the utility model embodiment or technical solution in the prior art
Attached drawing needed in mode is briefly described.It should be evident that the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skills without creative efforts, can be with
It obtains other drawings based on these drawings.
When being described for the embodiments of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", orientation or positional relationship is expressed by "outside"
Based on orientation or positional relationship shown in relevant drawings, it is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore on
Stating term should not be understood as limiting the present invention.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment cannot herein one
One repeats, but therefore the embodiments of the present invention is not defined in following implementation.
As shown in Figure 1 and Figure 2, a kind of embodiment according to the present utility model, the eyeglass centring means packet of the utility model
Lens-bearing platform 2, light source assembly 3, exposure components 4, detection camera 5 and the adjustment for including supporting station 1 and being connected on supporting station 1
Component 6.
In the present embodiment, lens-bearing platform 2 is used for fixing len, and light source assembly 3 uses spectroscope, light source assembly
3 are arranged below lens-bearing platform 2, and light source part of the light source assembly 3 as eyeglass centring means mentions for eyeglass centring means
For light source.Exposure components 4 are fixed on supporting station 1, and are located at 2 top of lens-bearing platform, and it is fixed to complete for eyeglass
Smooth surface adhesive curing operation after the heart.Detection camera 5 is supported on supporting station 1 and is located at 2 top of lens-bearing platform, light source assembly
3, lens-bearing platform 2 and detection camera 5 are coaxially disposed, and adjustment component 6 is located at the side of lens-bearing platform 2, for adjusting
The position of eyeglass.Detection camera 5 is supported on supporting station 1 and is located at 2 top of lens-bearing platform, for the centering for eyeglass
It is detected, it is ensured that centering precision.
In the eyeglass centring means of the utility model, lens-bearing platform 2 is equipped with rotary components 21, in this embodiment party
In formula, rotary components 21 are rotating electric machine, and rotating electric machine 21 is for driving lens-bearing platform 2 to be rotated, so as to reality
Now to the eccentricity detecting of eyeglass.Specifically, it after eyeglass is fixed on lens-bearing platform 2, opens light source assembly 3 and provides
Light source feels relieved to eyeglass by the image of 5 captured in real-time of detection camera after adjusting the position of eyeglass by adjusting component 6, it
Curing process is carried out by the eyeglass after 4 pairs of exposure components centering afterwards.After eyeglass centering solidification, rotating electric machine can be passed through
Work drives lens-bearing platform 2 to rotate, and carries out eccentricity detecting to eyeglass by detection camera 5.In compared with the prior art
Eyeglass centering apparatus, the eyeglass of the utility model determine device other than having centering function, also have the function of eccentricity detecting, and
It is easy to operate, be conducive to raising efficiency.
As shown in Figure 1, in the present embodiment, adjustment component 76 includes support 61, is supported on the first driving on support 61
Part 62, the second actuator 63 for being supported on the first actuator 62 and the third actuator 64 being supported on the second actuator 63.?
In present embodiment, the first actuator 62 can be moved along X-direction, and the second actuator 63 can move along the Y direction, the
Three actuators 64 can be moved along Z-direction.Third actuator 64 is equipped with claw 65, is arranged so that claw 65 can be with
It is arbitrarily moved on six-freedom degree direction, it can be ensured that the accuracy of the lens position adjustment of lens-bearing platform 2, thus
Guarantee the centering precision of eyeglass.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the utility model also provides a kind of self-centering comprising above-mentioned eyeglass centring means
Equipment, the self-centering equipment of the utility model include feeding device 7 and eyeglass centring means C, and according to the present utility model one
In kind embodiment, in the first rack A, feeding device 7 is arranged in the second rack for the eyeglass centring means C setting of the utility model
On B.It in the present embodiment, is the stability for ensuring device, the first rack A uses marble rack, adjustment component 6, bearing
Platform 1 and light source assembly 3 are each attached in marble rack.In the present embodiment, it is fixed that two eyeglasses are set on the first rack A
Center device C can so greatly promote working efficiency.It is, of course, also possible to which it is fixed to need to be arranged more eyeglasses according to real work
Center device C, such as 3,4 etc..
Adjustment component 6, supporting station 1 and light source assembly 3 are fixedly installed the eyeglass self-centering equipment of the utility model
On the first rack A, and feeding device 7 is arranged on the second rack B, guarantees that eyeglass centring means C and feeding device 7 are respective
While job stability, moreover it is possible to guarantee that the eyeglass centring means of the utility model not will receive the interference of other equipment, thus
Guarantee the precision and eccentricity of glasses lens detection accuracy of eyeglass centering.
In conjunction with shown in Fig. 3 and Fig. 4, in the present embodiment, feeding device 7 includes feed tank 71, take-off assembly 72, conveying
Component 73 and blanking component 74.
As shown in figure 3, can store multiple eyeglass charging trays 711 in feed tank 71, equipped with multiple in each eyeglass charging tray 711
Eyeglass to be felt relieved.Take-off assembly 72 is located at the right side of feed tank, for the eyeglass in feeding feed tank 71.Conveying assembly 73 can
To be moved along six-freedom degree direction, for the eyeglass of not feeling relieved of 72 feeding of take-off assembly to be placed into lens-bearing platform 2
It is removed with by the eyeglass for having completed centering on lens-bearing platform 2.Blanking component 74 is for receiving conveying assembly 73 from eyeglass
That removes on carrying platform 2 has completed the eyeglass of centering.
The self-centering equipment of the utility model, due to having feed tank 71, take-off assembly 72, conveying assembly 73, blanking group
Part 74 and eyeglass centring means C, automation feeding, centering blanking so as to eyeglass, while eccentric inspection can also be carried out
It surveys, substantially reduces time used in eyeglass centering technique, raising efficiency.
Meanwhile the self-centering equipment of the utility model uses modularized equipment, feed tank 71, feeding section 72, conveying
Component 73, blanking component 74 and eyeglass centring means C are separately provided, so that assembling and dimension easy to operate while that be convenient for equipment
Shield.
Each component part of the self-centering equipment of the utility model is described in detail below:
As shown in figure 5, the take-off assembly 72 of the utility model is including charging tray support plate 721 and is located at charging tray support plate 721
The take-off assembly 722 of side.In the present embodiment, feeding part 722 includes the first feeding actuator 722a, is supported on first and takes
The second feeding actuator 722b on material actuator 722a drives with the third feeding being supported on the second feeding actuator 722b
Part 722c.Wherein the first feeding actuator 722a can be moved along the x axis, and the second feeding actuator 722b can be along Y-axis side
To movement, third feeding actuator 722c can be moved along Z-direction.It is equipped on third feeding actuator 722c and drags pawl
722d guarantees the flexibility for dragging pawl 722d, and then can be square so that dragging pawl 722d that can move along six-freedom degree direction
Just, quickly eyeglass charging tray 711 is hauled out from feed tank 711.
Specifically, in the present embodiment, charging tray support plate 721 is equipped with charging tray slideway, and eyeglass charging tray 711 is equipped with
Pin hole drags pawl 722d to match with the pin hole on eyeglass charging tray 711, under the driving of the first feeding actuator 722a guarantee X to
Motion positions.In addition, in the present embodiment, idler wheel plunger 721a, eyeglass charging tray 711 are additionally provided on charging tray support plate 721
It moves right and is contacted with idler wheel plunger 721a, idler wheel plunger 721 applies positive pressure to which the frictional resistance generated prevents mirror
Piece charging tray 711 generates overshoot in X-direction, guarantees the accurate positioning of the X axis of eyeglass charging tray 711.And idler wheel column is leaned in Y-direction positioning
Plug 721a applies Y-direction pressure to eyeglass charging tray 711 and makes eyeglass charging tray 711 close to track datum level to realize that Y-direction is accurately fixed
Position.It so smoothly removes to provide for the eyeglass of eyeglass charging tray 711 and be effectively ensured.
As shown in fig. 6, liftout driving assembly 723 is additionally provided with below the flitch support plate 721 of the utility model, liftout driving
Component 723 includes the first liftout actuator 723a, the second liftout actuator 723b being supported on the first liftout actuator 723a
With the third liftout actuator 723c being supported on the second liftout actuator 723b.In the present embodiment, the first liftout drives
Part 723a can be moved along the y axis, and the second liftout actuator 723b can be moved along the x axis, third liftout actuator
723c can be moved along Z-direction.Liftout suction nozzle 724 is installed on third liftout actuator 723c.In the present embodiment,
One liftout actuator 723a, the second liftout actuator 723b and third liftout actuator 723c are cylinder.
The take-off assembly 72 of the utility model, due to being provided with the first liftout actuator 723a, the second liftout actuator
723b and third liftout actuator 723c, and liftout suction nozzle 724 is installed on liftout actuator 723c.To be driven using cylinder
Positioning method guarantee liftout suction nozzle 724 move to correct position to eyeglass carry out feeding operation, it is convenient and efficient, simply may be used
It leans on.Meanwhile for below lens-bearing platform 2 by the way of liftout suction nozzle 724, can be directly eyeglass from eyeglass charging tray
It is taken out in 711, compared with the prior art, it is possible to reduce the batch turning number of eyeglass is conducive to mention while guaranteeing feeding stability
Rise feeding efficiency.
Design according to the present utility model, the liftout suction nozzle 724 on third liftout actuator 723c can be according to different mirrors
The specification of piece is replaced, to adapt to the absorption of different size eyeglass.Meanwhile in the present invention, liftout suction nozzle 724 is equipped with
Vacuum slot mouth avoids eyeglass from falling when to advantageously ensuring that eyeglass absorption.
In conjunction with shown in Fig. 3 and Fig. 7, the conveying assembly 73 of the utility model is mounted on drive chain.It can be in drive chain
It is moved under effect along X, Y direction.The conveying assembly 73 of the utility model includes mutually matched first conveying actuator, 731 He
Conveying clamping jaw 732 and mutually matched second conveying actuator 733 and conveying suction nozzle 734.
Specifically, the conveying assembly 73 of the utility model is mounted in a fixed plate, and Z-direction is fixedly installed in fixed plate and drives
Dynamic device 73a, the conveying assembly 73 of the utility model are fixed on Z-direction driving device 73a.In the present invention, conveying is pressed from both sides
Pawl 732 includes the first clamping jaw 7321 and the second clamping jaw 7322 being oppositely arranged, and the first conveying actuator 731 can drive the first folder
Pawl 7321 and the opposite clamping of the second clamping jaw 7322 are opened, and realize the crawl and release for eyeglass.
In present embodiment, the eyeglass that conveying clamping jaw 732 is used to state 72 feeding of take-off assembly is put to eyeglass centring means,
Conveying suction nozzle 734 is used for the eyeglass blanking on eyeglass centring means.And conveying suction nozzle 734 is located at the first clamping jaw 7321 and
The top in two clamping jaws, 7322 middle position so that the utility model self-centering device structure is compact, do not feel relieved eyeglass and
The pick-and-place of centering rear lens is walked about without carrying out big stroke, shortens equipment range ability, effective raising efficiency.
The foregoing is merely a schemes of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of eyeglass centring means, which is characterized in that held including supporting station (1), the eyeglass being connected with the supporting station (1)
Carrying platform (2), the light source assembly (3) for being located at lens-bearing platform (2) opposite sides and coaxial arrangement and detection camera
(5), it is located at the adjustment component (6) and exposure components (4) of lens-bearing platform (2) side；
The lens-bearing platform (2) is equipped with the rotary components (21) for driving lens-bearing platform (2) rotation.
2. eyeglass centring means according to claim 1, which is characterized in that the adjustment component (6) include support (61),
The first actuator (62) for being supported on support (61), the second actuator (63) being supported on first actuator (62) with
And it is supported on the third actuator (64) on second actuator (63)；
The third actuator (64) is equipped with claw (65).
3. a kind of self-centering equipment comprising eyeglass centring means as claimed in claim 1 or 2, which is characterized in that described automatic
Centering apparatus includes feeding device (7) and eyeglass centring means；
The eyeglass centring means is fixed on the first rack (A)；
The feeding device (7) is arranged on the second rack (B).
4. self-centering equipment according to claim 3, which is characterized in that the feeding device (7) includes:
Feed tank (71) stores multiple eyeglass charging trays (711)；
Take-off assembly (72) is located at the feed tank (71) side, for the eyeglass in feed tank (71) described in feeding；
Conveying assembly (73), for putting the eyeglass of the take-off assembly (72) feeding to the eyeglass centring means and will be described
Eyeglass blanking on eyeglass centring means；
Blanking component (74), the eyeglass for receiving the conveying assembly (73) from the eyeglass centring means loading and unloading.
5. self-centering equipment according to claim 4, which is characterized in that the take-off assembly (72) includes: charging tray branch
Board (721) and the feeding part (722) for being located at charging tray support plate (721) side, the feeding part (722) includes: first
Feeding actuator (722a), the second feeding actuator (722b) being supported on the first feeding actuator (722a) and it is supported on institute
State the third feeding actuator (722c) on the second feeding actuator (722b)；
It is connected on the third feeding actuator (722c) and drags pawl (722d).
6. self-centering equipment according to claim 5, which is characterized in that the charging tray support plate (721) is equipped with rolling
It takes turns plunger (721a).
7. self-centering equipment according to claim 5 or 6, which is characterized in that below the charging tray support plate (721) also
Equipped with liftout driving assembly (723), including the first liftout actuator (723a), it is supported on the first liftout actuator (723a)
Second liftout actuator (723b), the third liftout actuator (723c) being supported on the second liftout actuator (723b)；
The third liftout actuator (723c) is equipped with liftout suction nozzle (724).
8. self-centering equipment according to claim 4, which is characterized in that the conveying assembly (73) includes cooperating
The first conveying actuator (731) and conveying clamping jaw (732) and mutually matched second conveying actuator (733) and conveying inhale
Mouth (734).
9. self-centering equipment according to claim 8, which is characterized in that the conveying clamping jaw (732) includes opposite sets
The first clamping jaw (7321) and the second clamping jaw (7322) set；
The conveying suction nozzle (734) is located at the top of first clamping jaw (7321) and the second clamping jaw (7322) middle position.
10. self-centering equipment according to claim 9, which is characterized in that the conveying clamping jaw (732) is used for will be described
The eyeglass of take-off assembly (72) feeding is put to the eyeglass centring means, and the conveying suction nozzle (734) is for determining the eyeglass
Eyeglass blanking on center device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120887.6U CN209387252U (en) | 2019-01-24 | 2019-01-24 | Eyeglass centring means and self-centering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120887.6U CN209387252U (en) | 2019-01-24 | 2019-01-24 | Eyeglass centring means and self-centering equipment |
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| Publication Number | Publication Date |
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| CN209387252U true CN209387252U (en) | 2019-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682578A (en) * | 2019-01-24 | 2019-04-26 | 宁波舜宇仪器有限公司 | Eyeglass centring means and self-centering equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682578A (en) * | 2019-01-24 | 2019-04-26 | 宁波舜宇仪器有限公司 | Eyeglass centring means and self-centering equipment |
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