CN110434682B - Method for processing lens with medium thickness more than 2 times of diameter - Google Patents
Method for processing lens with medium thickness more than 2 times of diameter Download PDFInfo
- Publication number
- CN110434682B CN110434682B CN201910685370.6A CN201910685370A CN110434682B CN 110434682 B CN110434682 B CN 110434682B CN 201910685370 A CN201910685370 A CN 201910685370A CN 110434682 B CN110434682 B CN 110434682B
- Authority
- CN
- China
- Prior art keywords
- lens
- grinding
- porous base
- groove
- fixing groove
- 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.)
- Active
Links
Images
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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/04—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses involving grinding wheels controlled by gearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a processing method of a lens with the middle thickness more than 2 times of the diameter, which comprises the following steps of S1 manufacturing a mould: the mold adopts a porous base, a plurality of lens fixing grooves are distributed on the porous base, and a thimble groove is processed at the center; s2 mounting lens: sequentially placing the lenses in the lens fixing grooves and fixing the lenses; s3, installing a die: grinding the front side; grinding the reverse side; s4 grinding and post-processing; the processing method is to design a special clamp for processing the lens with the medium thickness of more than 2 times of the diameter, and the grinding technology is improved by matching with the special clamp, so that the number of the lenses ground at one time is increased, the stability in the grinding process is improved, and the lens with the medium thickness of more than 2 times of the diameter can be processed on the existing machine tool.
Description
Technical Field
The invention relates to the technical field of lens processing, in particular to a processing method of a lens with the medium thickness more than 2 times of the diameter.
Background
The lens with the medium thickness more than 2 times of the diameter adopts a single-piece processing mode in the actual grinding processing process, because of the special structure of the lens, the lens with the medium thickness more than 2 times of the diameter needs to be ground at two ends, in order to ensure that other surfaces are not abraded, the prior art is that the surfaces which are not processed by the lens with the medium thickness more than 2 times of the diameter are adhered on a fixing device through resin glue, after one end of the lens is ground on the fixing device, because one lens is placed on one fixing device, in the process of grinding, because the left grinding force and the right grinding force are large, the lens can swing in a certain range when grinding the end face, so that the grinding is unstable, particularly when the edge of the lens is ground along with the grinding process, when external force exists, the lens with the thickness more than 2 times of the diameter starts to swing, and the grinding cannot be processed on the existing machine tool.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a method for processing a lens with the medium thickness more than 2 times of the diameter, and the processing method is to design a special clamp for processing the lens with the medium thickness more than 2 times of the diameter and improve the grinding technology by matching with the special clamp, thereby increasing the number of the lenses ground at one time, improving the grinding efficiency and enabling the product to be processed on the existing machine tool.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the processing method of the lens with the medium thickness more than 2 times of the diameter comprises the following steps:
s1 manufacturing die
The mold adopts a porous base, a plurality of lens fixing grooves are distributed on the porous base, and a thimble groove is processed at the center;
s2 mounting lens
Sequentially placing the lenses in the lens fixing grooves and fixing the lenses;
s3 installation mould
Front grinding: mounting the porous base with the lens on grinding equipment, and starting the grinding equipment to grind the lens on the porous base;
and (3) reverse side grinding: turning the lens with the front side well ground together with the porous base upwards, turning the back side downwards and contacting with a grinding disc of grinding equipment, starting the grinding equipment again, and grinding the back side of the lens;
and S4 grinding post-treatment.
Preferably, the porous base in step S1 is a stainless steel disc having a thickness not greater than the thickness of the lens, the surface is polished, and each lens fixing groove is subjected to polishing treatment.
Preferably, in step S2, the porous base is placed on the guiding orientation seat, and then a lens is placed in each lens fixing groove, and the lens is sealed and fixed with the lens fixing groove.
Preferably, the guide positioning seat is a disc, the disc is of a hollow structure, a circle of trapezoidal guide bosses are arranged on the inner wall of the disc, the height of each trapezoidal guide boss is equal to the height of the part of the lens extending out of the lens fixing groove, and the fact that the lens is installed behind the lens fixing groove and extends out of the two ends of the lens fixing groove is guaranteed to be equal in size.
Preferably, a lens limiting groove corresponding to each lens is further arranged in the disc, the inner diameter of each lens limiting groove is matched with the diameter of each lens, and the height of each lens limiting groove is equal to the height of the part, exceeding the lens fixing groove, of the lens after the lens is placed in the lens limiting groove.
Preferably, in operation, the multi-hole base is accurately positioned in the guide positioning seat, then the lens is correspondingly placed in each lens fixing groove, and finally each lens is fixed in the lens fixing groove.
Preferably, each lens is fixed in the lens fixing groove by optical lens glue.
Preferably, each lens is clamped and fixed in the lens fixing groove by an annular gasket.
The invention has the beneficial effects that:
firstly, the invention designs a special clamp for a medium-thickness lens, the design of the clamp enables a plurality of medium-thickness lenses to be ground simultaneously, the production efficiency of grinding processing is greatly increased, manpower and material resources are greatly saved, the stability is also obviously improved, the grinding device does not need to be replaced again when the two sides of the medium-thickness lens are processed, after the medium-thickness lens is ground out one side by adopting the clamp, the porous base for placing a plurality of lenses is turned over, the device does not need to be replaced, the other side of the medium-thickness lens can be ground, meanwhile, a plurality of medium-thickness lenses are ground together, the area of the porous base is large, the weight is increased, the inertia is increased, and the stability in the grinding process is further increased;
secondly, in order to further improve the stability of the lens in the porous base, a plurality of medium-thickness lenses are correspondingly inserted into a lens fixing groove, then glue is coated on the gaps between the medium-thickness lenses and the corresponding lens fixing grooves by using optical lens glue, and the lenses can be fixed for several seconds, or an annular gasket is adopted and clamped into the gap between the lenses and the lens fixing grooves to realize the fixation of the lenses, so that the stability of the lenses in the grinding process is improved in an auxiliary manner;
in order to grind two surfaces of a medium-thickness lens on the same flat plate grinding device and reduce the grinding devices, the invention adopts the guide positioning seat to fixedly mount the lens in the porous base, and then the two end surfaces of the lens uniformly extend out of the two end surfaces of the lens fixing groove, so that the two end surfaces of the lens can be quickly ground, and the parameters do not need to be adjusted again when the other end surface is ground.
Drawings
Fig. 1 is a schematic view of a porous base of example 1.
Fig. 2 is a schematic view of the guiding positioning seat of embodiment 1.
Fig. 3 is a cross-sectional view of the porous base and the guide positioning seat of example 1 after being combined.
Fig. 4 is a schematic view of the polishing apparatus of example 1.
Fig. 5 is a schematic view of a planar lens of example 1.
FIG. 6 is a schematic view showing the planar lens of example 1 fixed to a porous base.
Fig. 7 is a schematic view of the assembly of the spherical lens and the porous base according to example 2.
Fig. 8 is a schematic view of the assembly of the spherical lens, the porous base and the guiding and positioning seat in embodiment 2.
FIG. 9 is a schematic view of a polishing apparatus according to example 2.
Wherein: 1-porous base, 12-thimble groove, 2-lens fixing groove, 3-guiding positioning seat, 31-trapezoidal guiding boss, 32-lens limiting groove, 4-grinding equipment, 5-control system, 6-grinding groove, 7-grinding disc, 8-thimble structure, 9-grinding fluid pipeline, 10-plane lens, 11-spherical lens, 13-height positioner, 14-positioning groove and 15-grinding shaft.
CT-is the center thickness of the lens,
is the cross-sectional diameter of the lens.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
The lens 10 with the thickness more than 2 times of the diameter in the technical scheme of the invention is shown in figure 5
Example 1: the processing method of the plane lens with the medium thickness larger than the diameter length comprises the following steps:
s1 manufacturing die
Referring to the attached drawings 1-6, the mold adopts a porous base 1, the porous base 1 is planar, a plurality of lens fixing grooves 2 are distributed on the porous base 1, and an ejector pin groove 12 is processed at the center; the thickness of the stainless steel disc is not more than that of the plane lens 10, the surface is polished, and each lens fixing groove 2 is polished;
s2 mounting lens
The lenses are sequentially arranged in the lens fixing groove 2 and fixed; placing the porous base 1 on the guide positioning seat 3, then placing a lens in each lens fixing groove 2, and sealing and fixing the lens and the lens fixing grooves 2;
the guiding and positioning seat is a disc which is of a hollow structure, a circle of trapezoidal guiding bosses 31 are arranged on the inner wall of the disc, the height of each trapezoidal guiding boss 31 is equal to the height of the part of the planar lens 10 extending out of the lens fixing groove 2, and the sizes of the parts of the planar lens 10 extending out of the two ends of the lens fixing groove 2 after being installed in the lens fixing groove 2 are equal;
further, a lens limiting groove 32 corresponding to each lens guide groove up and down is further arranged in the disc, the inner diameter of the lens limiting groove 32 is matched with the diameter of the lens, and the height of the lens limiting groove 32 is equal to the height of the part, exceeding the lens fixing groove 2, of the plane lens 10 placed in the lens limiting groove.
Specifically, after the lens is fixedly installed in the lens fixing groove 2, the height exceeding the top of the lens fixing groove 2 is equal to the height exceeding the bottom of the lens fixing groove 2, so that the portions exceeding the two ends of the lens are equal after the lens is installed, and the verticality of installation of each lens is well determined;
during operation, the porous base 1 is accurately positioned in the guide positioning seat 3, then the lens is correspondingly placed in each lens fixing groove 2, and finally each lens is fixed in the lens fixing groove 2;
when the lenses are fixedly installed, each lens is fixed in the lens fixing groove 2 through optical lens glue; the optical lens glue is cut and erected, when the lenses are well arranged in the lens fixing groove 2 and the lens limiting groove 32, the glue is manually extruded into a gap between the lenses and the lens fixing groove 2, and the lenses are glued and fixed after 3-10 seconds of gluing;
each lens can be clamped and fixed in the lens fixing groove 2 through an annular gasket, the annular gasket is manufactured according to the size of the actual gap between the lens and the lens fixing groove 2 after the lens is placed in the lens fixing groove 2, the gap between the upper end of the lens fixing groove 2 and the lens is clamped through the annular gasket, the thickness of the annular gasket is 1-2mm, when the lens at the upper end and the lens fixing groove 2 are clamped through the annular gasket, the porous base 1 is turned over, and the gap between the lens at the other end and the lens fixing groove 2 is clamped and connected in the same mode;
in the actual operation process, the annular gasket can be extruded by hard plastic materials to form an annular sheet structure;
s3 installation mould
Front grinding: installing the porous base 1 with the lens installed on a grinding device 4, and starting the grinding device 4 to grind the lens on the porous base 1;
and (3) reverse side grinding: turning the lens with the front side grinded and the porous base 1 upwards, turning the reverse side downwards and contacting with a grinding disc 7 of the grinding equipment 4, starting the grinding equipment 4 again, and grinding the reverse side of the lens;
referring to fig. 4, a grinding apparatus 4 includes a control system 5, a grinding groove 6, a grinding disc 7 and a thimble structure 8, the ground disc 7 is disposed in the grinding groove 6, a constant speed rotating mechanism is disposed at the bottom of the grinding disc 7, the control system 5 controls the constant speed rotating mechanism to rotate to drive the grinding disc 7 on the upper portion to rotate, a porous base 1 is disposed on the grinding disc 7, the thimble structure 8 is disposed above the grinding disc 7, the thimble structure 8 includes a thimble, a swing rod and a threaded hole, the swing rod is connected with the control system 5, the control system 5 can control the swing amplitude of the swing rod at the left, right, up and down positions, the tail end of the swing rod is provided with the threaded hole, the upper end of the thimble is lathed with external threads, the height of the thimble is adjusted by the threaded hole to meet the grinding requirements of different lenses, the thimble is propped against a thimble groove 12 at the center of the porous, the propping rod applies pressure to the porous base 1 to prop against the porous base 1 and the grinding disc 7, so that the aim of relative friction grinding is fulfilled on the premise of stability;
furthermore, a grinding fluid pipeline 9 is also arranged above the grinding disc 7, and grinding fluid is sprayed to the grinding disc 7 through the grinding fluid pipeline 9 in the grinding process to achieve a better grinding effect;
and S4 grinding post-treatment.
The porous susceptor of the present invention is suitable for use in 1. products having a ratio of medium thickness to outer diameter in excess of 1:1, medium thickness requirements within + -0.005, and small quantities that are unsuitable for synthesis into disks.
The principle of the porous base is that stress points during polishing are reduced, an ultra-thick product can be stably processed, the outer edge can be bonded, two surfaces can be processed at one time, the medium thickness tolerance is controlled by controlling the parallel difference, the medium thickness and the surface can be directly and effectively detected during processing, and the yield is guaranteed. The number per disc can be controlled by the clamp size for small batches of product.
The clamp has already been produced by internal trial and actual production.
Such as diameter
The product with the medium thickness of 2.802 +/-0.003 can be proved to have the tolerance within +/-0.005 through internal trial production.
Such as product 21024 diameter
The practical production inside the medium thickness 25.5 completely meets the requirement and has high efficiency.
Table 1 is a statistical table of lens production using a multi-hole base for a planar lens of example 1 of the present invention
Example 2: processing a lens with an R value, namely a processing method of a spherical super-thick lens;
for spherical super-thick lenses, unlike the embodiments:
referring to fig. 7-9, 1, the porous base 1 is of an arch structure, and the lens fixing groove 2 is also of an inclined shape according to the structure of the actual spherical lens 11;
2. a circle of positioning open groove 14 is formed in the edge of the guide positioning seat for installing and fixing the lens, the bottom edge of the porous base can be just embedded into one part of the positioning open groove 14 and is used for positioning the position of the porous base on the guide positioning seat, and the situation that the positions of two sides of the porous base are not equal when the porous base is placed on the guide positioning seat, so that the later fixation of the spherical lens 11 is influenced is prevented;
3. a mushroom head-shaped height positioner 13 is further arranged in the guide positioning seat, the function of the height positioner 13 is the same as that of the trapezoidal guide boss in the embodiment 1, and the height of the lens extending out of the top end and the bottom end of the lens after the lens protrudes out of the height positioner 13 is equal, so that the sizes of parts of the lens, which are arranged at two ends and extend out of the two ends, are equal; the height positioner 13 is a convex structure with a cambered surface, during operation, the porous base is positioned and placed in the guide positioning seat through the positioning slot 14, then the spherical lenses 11 are placed into the lens positioning slots one by one, the distance between the top surface arc line of the height positioner 13 and the bottom surface arc line of the placed porous base is equal to the length of the upper end of the lens extending out after the lens is placed in the lens fixing slot, namely, the length of the two ends of the lens extending out is automatically adjusted under the positioning action of the height positioner 13 after the lens is placed in the lens positioning slot, and is equal, and then the lens is fixed on the porous base by the two lens fixing modes described in the embodiment 1, so that the lens is installed and fixed on the porous base;
4. in the grinding step, regarding the structure of the spherical lens 11 and the improvement of the porous base, when the spherical lens 11 is ground, the other structures are the same as the grinding device in embodiment 1, except that the grinding disk 7, the grinding disk 7 of the spherical lens 11 is also shaped like a "mushroom head", and when the porous base 1 is placed on the grinding disk 7, the lens and the grinding disk are attached to each other, so that the processing stability is ensured.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The processing method of the lens with the medium thickness more than 2 times of the diameter is characterized by comprising the following steps:
s1 manufacturing die
The mold adopts a porous base, a plurality of lens fixing grooves are distributed on the porous base, and a thimble groove is processed at the center;
the porous base in the step S1 is a stainless steel disc, the thickness of the porous base is not more than that of the lens, the surface of the porous base is polished, and each lens fixing groove is polished;
s2 mounting lens
Sequentially placing the lenses in the lens fixing grooves and fixing the lenses; in the step S2, the porous base is placed on the guiding positioning seat, then a lens is placed in each lens fixing groove, and the lens fixing groove are sealed and fixed; the guide positioning seat is a disc which is of a hollow structure, a circle of trapezoidal guide bosses are arranged on the inner wall of the disc, the height of each trapezoidal guide boss is equal to the height of the part of the lens extending out of the lens fixing groove, and the sizes of the parts of the lens, which are arranged behind the lens fixing groove and extend out of the two ends of the lens fixing groove, are equal; a lens limiting groove corresponding to each lens is further arranged in the disc, the inner diameter of each lens limiting groove is matched with the diameter of each lens, and the height of each lens limiting groove is equal to the height of the part, exceeding the lens fixing groove, of each lens after the lens is placed in the lens limiting groove; during operation, the porous base is accurately positioned in the guide positioning seat, then the lens is correspondingly placed in each lens fixing groove, and finally each lens is fixed in the lens fixing groove; each lens is tightly fixed in the lens fixing groove through an annular gasket, or each lens is fixed in the lens fixing groove through optical lens glue;
s3 installation mould
Front grinding: mounting the porous base with the lens on grinding equipment, and starting the grinding equipment to grind the lens on the porous base;
and (3) reverse side grinding: turning the lens with the front side well ground together with the porous base upwards, turning the back side downwards and contacting with a grinding disc of grinding equipment, starting the grinding equipment again, and grinding the back side of the lens;
the grinding equipment comprises a control system, a grinding groove, a grinding disc and a thimble structure, wherein the grinding disc is arranged in the grinding groove, a constant-speed rotating mechanism is arranged at the bottom of the grinding disc, the control system controls the constant-speed rotating mechanism to rotate to drive the grinding disc at the upper part to rotate, a porous base is arranged on the grinding disc, the thimble structure is arranged above the grinding disc and comprises a thimble, a swinging rod and a threaded hole, the swinging rod is connected with the control system, the control system can control the swinging amplitude of the swinging rod at the left, right, upper and lower positions, the threaded hole is formed in the tail end of the swinging rod, an external thread is turned on the upper end of the thimble, the height of the thimble is adjusted through the threaded hole to adapt to the grinding requirements of different lenses, the thimble is propped in the thimble groove at the center of the porous base, the thimble is propped against the thimble groove by the, on the premise of stabilizing the grinding head, the purpose of relative friction grinding is realized;
and S4 grinding post-treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685370.6A CN110434682B (en) | 2019-07-27 | 2019-07-27 | Method for processing lens with medium thickness more than 2 times of diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685370.6A CN110434682B (en) | 2019-07-27 | 2019-07-27 | Method for processing lens with medium thickness more than 2 times of diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110434682A CN110434682A (en) | 2019-11-12 |
| CN110434682B true CN110434682B (en) | 2020-10-23 |
Family
ID=68431816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910685370.6A Active CN110434682B (en) | 2019-07-27 | 2019-07-27 | Method for processing lens with medium thickness more than 2 times of diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110434682B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020810B (en) * | 2021-01-27 | 2023-03-24 | 重庆恒格光电科技有限公司 | Nine unification battery of lens cutting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191223170A (en) * | 1912-10-10 | 1913-02-20 | Walter Hollands | An Improved Method of and Apparatus for Producing Toric Lenses. |
| CN201677225U (en) * | 2010-05-18 | 2010-12-22 | 丹阳丹耀光学有限公司 | Clamp for grinding slender rod-shaped optical plane convex lens |
| CN201979379U (en) * | 2011-02-01 | 2011-09-21 | 成都贝瑞光电科技股份有限公司 | Clamp for lens fine-grinding die |
| KR20130042294A (en) * | 2011-10-18 | 2013-04-26 | 이승영 | Lens grinding device for vehicles |
| CN206475048U (en) * | 2017-01-06 | 2017-09-08 | 成都明锐精密模具有限公司 | A kind of circular pieces grinding machine processing jig |
| CN206536311U (en) * | 2017-03-03 | 2017-10-03 | 福州科思捷光电有限公司 | Plate clamp on a kind of optical manufacturing of direct turn-over |
| CN208569078U (en) * | 2018-07-25 | 2019-03-01 | 江西联益光学有限公司 | Lens barrel locating and filming device |
-
2019
- 2019-07-27 CN CN201910685370.6A patent/CN110434682B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191223170A (en) * | 1912-10-10 | 1913-02-20 | Walter Hollands | An Improved Method of and Apparatus for Producing Toric Lenses. |
| CN201677225U (en) * | 2010-05-18 | 2010-12-22 | 丹阳丹耀光学有限公司 | Clamp for grinding slender rod-shaped optical plane convex lens |
| CN201979379U (en) * | 2011-02-01 | 2011-09-21 | 成都贝瑞光电科技股份有限公司 | Clamp for lens fine-grinding die |
| KR20130042294A (en) * | 2011-10-18 | 2013-04-26 | 이승영 | Lens grinding device for vehicles |
| CN206475048U (en) * | 2017-01-06 | 2017-09-08 | 成都明锐精密模具有限公司 | A kind of circular pieces grinding machine processing jig |
| CN206536311U (en) * | 2017-03-03 | 2017-10-03 | 福州科思捷光电有限公司 | Plate clamp on a kind of optical manufacturing of direct turn-over |
| CN208569078U (en) * | 2018-07-25 | 2019-03-01 | 江西联益光学有限公司 | Lens barrel locating and filming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110434682A (en) | 2019-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110434682B (en) | Method for processing lens with medium thickness more than 2 times of diameter | |
| CN105834470A (en) | Universal tensioning device for thin-wall rotation type components | |
| WO2016107191A1 (en) | Polishing clamp and polishing method using same | |
| US20240123567A1 (en) | Double-sided polishing method for optical lens | |
| US4254590A (en) | Method for the production of a disk-shaped silicon semiconductor component with negative beveling | |
| WO2014146620A1 (en) | Optical element polishing device and method | |
| CN110216577A (en) | A kind of grinding wheel self-adaptive regulating for Wafer grinder | |
| CN104551926A (en) | Hard optical material polishing die combined structure and manufacturing method | |
| CN209062702U (en) | A kind of longhole inner circle grinding tool | |
| CN207953547U (en) | A kind of sanding and polishing device | |
| CN211193490U (en) | Grinding mould | |
| CN207027204U (en) | Shedder and burnishing device | |
| CN216504310U (en) | Core rod grinding device | |
| CN209740185U (en) | Camera lens screw in device | |
| CN202356442U (en) | Automatic adjusting tip cone for clamping wire-winding I-shaped wheel of drawbench of water box | |
| CN212886919U (en) | Burnishing machine is used in valve processing | |
| CN205996824U (en) | A kind of butterfly polishing pad | |
| CN206286847U (en) | A kind of accessories apparatus of self-locking float support | |
| CN218947360U (en) | Lens holder | |
| CN221186133U (en) | Vibration-proof louver blade | |
| CN213673657U (en) | Accurate butterfly-shaped steel wire wheel of polishing of railway renovate | |
| CN109333338A (en) | A kind of vacuum adsorption type erratic star wheel fixture and its application method | |
| CN210348030U (en) | Optical lens piece veneer anchor clamps | |
| CN209157952U (en) | A kind of adjustable core takes mechanism | |
| CN106425548A (en) | Attachment device of self-locking floating gripper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213325 No. 183, Yongsheng Road, douzhuang, chanxian Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Danyang danyao Optical Co.,Ltd. Address before: 212325 visit Xian town douzhuang Hedong, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: DANYANG DANYAO OPTICS Co.,Ltd. |
|
| CP03 | Change of name, title or address |