CN114603756B - Lens assembly and assembly process and storage equipment for same - Google Patents
Lens assembly and assembly process and storage equipment for same Download PDFInfo
- Publication number
- CN114603756B CN114603756B CN202210284400.4A CN202210284400A CN114603756B CN 114603756 B CN114603756 B CN 114603756B CN 202210284400 A CN202210284400 A CN 202210284400A CN 114603756 B CN114603756 B CN 114603756B
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- lens
- groove
- block
- assembly process
- lenses
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 235000015246 common arrowhead Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/44—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
Abstract
The application relates to a lens assembly and assembly process, which comprises the following steps: step 1: molding the lens, and pouring the molded lens through a mold; step 2: detecting surface misalignment, namely detecting the surface misalignment of the lens and detecting the surface misalignment of the lens; step 3: classifying and storing, namely classifying and storing the lenses into the storage equipment according to the types of the lenses and the surface eccentric condition; step 4: fitting the lens, namely fitting different types of lenses with the eccentric core of the lens surface being matched with each other on the lens; step 5: detecting the lens, namely detecting the lens which is tried to be assembled, and testing whether the lens meets the requirement of a product or not; step 6: and reinforcing the lens, namely reinforcing the lens in the lens meeting the requirements after the detection is completed. The application has the effect of improving the quality of the lens.
Description
Technical Field
The application relates to the field of lens production, in particular to a lens assembly process and storage equipment for the process.
Background
The lens is an optical component, and is mainly used for video cameras, still cameras, projectors, and the like.
In order to improve the pixels and functions of the existing lens, a plurality of lenses are adopted for superposition.
The quality consistency of lens eccentric cores of all mold cavities of the lens is difficult to control due to the limitation of mold core processing and plastic lens molding process, so that the quality of an assembled lens is poor.
Disclosure of Invention
In order to improve the quality of the lens, the application provides a lens assembly process.
The application provides a technical scheme as follows:
a lens assembly process comprises the following steps:
step 1: molding the lens, and pouring the molded lens through a mold;
step 2: detecting surface misalignment, namely detecting the surface misalignment of the lens and detecting the surface misalignment of the lens;
step 3: classifying and storing, namely classifying and storing the lenses into the storage equipment according to the types of the lenses and the surface eccentric condition;
step 4: fitting the lens, namely fitting different types of lenses with the eccentric core of the lens surface being matched with each other on the lens;
step 5: detecting the lens, namely detecting the lens which is tried to be assembled, and testing whether the lens meets the requirement of a product or not;
step 6: and reinforcing the lens, namely reinforcing the lens in the lens meeting the requirements after the detection is completed.
Through adopting above-mentioned technical scheme, through the face eccentric condition that detects the lens, classify the different lens of face eccentric, select the lens of looks adaptation when later assembling the camera lens, promote the MTF quality of the camera lens of equipment to promote the camera lens quality.
Optionally, the lens surface is polished after the lens is molded.
Through adopting above-mentioned technical scheme, get rid of the burr on lens surface through polishing after the lens shaping, can promote the smoothness and the quality of lens.
Optionally, the lens is rotated after the surface core shift detection is completed, so that the focal points of the lens are all moved to the same side of the lens.
Through adopting above-mentioned technical scheme, because the lens is circular, the rotation of lens can influence the position of face eccentric core, makes the focus be located the classification reduction that can make the lens with the lens rotation and is located same one side to convenient subsequent accomodate is deposited.
The utility model provides a storage facilities for lens assemblage assembly process, includes the block, set up on block thickness direction one side and accomodate the groove, set up on the block and accomodate groove one side and be provided with the instruction subassembly, the instruction subassembly is including sliding the groove, sliding the piece, instruct scale and instruct the arrow, the groove of sliding is seted up on the block, the piece that slides sets up in sliding the inslot, instruct the scale to set up in sliding groove one side, instruct the scale to set up along sliding groove length direction, instruct the arrow to set firmly on the piece that slides, instruct the arrow to point to and instruct the scale.
Through adopting above-mentioned technical scheme, accomodate the groove and be used for accomodating the lens, can know the eccentric distance and the position of lens focus after the face eccentric detects the completion, move the position of focus to same one side through rotating, mainly use eccentric distance as the main during the follow-up classification, instruct the subassembly and can show focus offset size, instruct the size that the focus offset of the lens in the groove can conveniently be displayed through adjusting the arrow head.
Optionally, the storage groove is a circular truncated cone groove, and one end of the circular truncated cone groove away from the block body is directly larger than one side of the circular truncated cone groove facing the block body.
Through adopting above-mentioned technical scheme, the lens of different sizes can be accomodate to the storage tank of round platform shape to promote the application range of storage tank.
Optionally, the inner wall of the storage groove is fixedly provided with a plurality of ribs.
Through adopting above-mentioned technical scheme, the setting of bead can reduce the pivoted probability of lens in accomodating the inslot to the probability that the focus moved is made in the rotation appears when reducing the lens and accomodating.
Optionally, the storage groove is circumferentially provided with a plurality of access grooves.
By adopting the technical scheme, the access groove is formed to facilitate the access of the lens.
Optionally, the blocks are all provided with coupling assembling circumferentially, coupling assembling makes the block interconnect.
Through adopting above-mentioned technical scheme, coupling assembling's setting can splice according to actual demand and accomodate the suitable storage facilities of groove quantity.
Optionally, the coupling assembling includes spread groove and connecting block, the spread groove is evenly offered in the block circumference, the connecting block both ends are inserted respectively and are located the linking inslot of adjacent block.
Through adopting above-mentioned technical scheme, can promote the joint strength of block through connecting block cooperation spread groove.
In summary, the present application includes at least one of the following beneficial technical effects:
by detecting the surface core misalignment condition of the lenses, classifying the lenses with different surface cores, selecting the matched lenses for subsequent lens assembly, and improving the MTF quality of the assembled lens, thereby improving the lens quality;
after the lens is molded, burrs on the surface of the lens are removed by polishing, so that the smoothness and quality of the lens can be improved;
because the lenses are round, the rotation of the lenses can influence the position of the surface eccentric center, and the classification of the lenses can be reduced by rotating the lenses to enable the focuses to be positioned on the same side, so that the lenses are convenient for subsequent storage;
the storage groove is used for storing lenses, the eccentric distance and the position of the focal point of the lenses can be known after the surface eccentric detection is finished, the focal point is moved to the same side through rotation, the eccentric distance is mainly used in the follow-up classification, the indication assembly can display the focal point offset size, and the size of the focal point offset of the lenses in the storage groove can be conveniently displayed through adjusting the indication arrow;
the round table-shaped containing groove can contain lenses with different sizes, so that the using range of the containing groove is widened;
the setting of coupling assembling can splice according to actual demand and accomodate the suitable storage facilities of groove quantity.
Drawings
Fig. 1 is a process flow diagram of the present application.
Fig. 2 is a schematic diagram of the overall structure of the present application.
Fig. 3 is an enlarged view of the portion a in fig. 2.
Fig. 4 is a schematic view of a splice structure of the present application.
Reference numerals illustrate: 1. a block; 2. a storage groove; 3. an indication assembly; 31. a slip groove; 32. a sliding block; 33. an indication scale; 34. an indication arrow; 4. a rib; 5. an access slot; 6. a connection assembly; 61. a connecting groove; 62. and (5) connecting a block.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a lens assembly process, which comprises the following steps with reference to fig. 1: step 1: molding the lens, namely pouring the molded lens through a die, polishing and polishing the area with burrs on the edge of the lens after molding, and removing the influence of the burrs on the lens; step 2: the surface core shift detection is carried out on the lenses through a full European optical core shift measuring instrument, the cut-outs of all the lenses are placed on a measuring jig, the position of the right opposite measuring person is a coordinate 0 degree position, and the surface core shift condition of the batch of the mold cavities is measured; after the surface eccentric detection is finished, the lens is rotated, so that the focal points of the lens are all moved to the same side of the lens, and the position with the coordinates of 0 degrees is optimized, the lens is convenient for subsequent classified storage, and the position of the lens angle is rotated according to the required angle during subsequent assembly; because the molding stability of the plastic lens is subject to fluctuation due to the process limitation of the existing injection molding industry, the core shift of the plastic lens must be monitored and measured once at eight-hour night intervals so as to accurately know the core shift condition of the lens surface; step 3: the lens is classified and stored into the storage equipment by adopting a manipulator according to the lens type and the surface eccentric condition of the lens, so that the lens is classified and stored, the subsequent selection of the lens is facilitated, and the position of the focal point of the lens is adjusted to the same direction by rotating the lens after detection, so that the focus offset distance is mainly classified besides the distinction of the lens type; step 4: fitting the lens, namely assembling different types of lenses with the eccentric core of the lens surface being matched on the lens, grabbing the lens by a manipulator during lens installation, and rotating the lens according to actual requirements; step 5: detecting lenses, namely detecting the trial lenses by adopting ZEMAX optical design software, detecting the simulation calculation of the relation between the eccentric cores of the four lenses and the MTF, and sending the lenses meeting the requirements to the subsequent step for processing, and reclassifying the eccentric cores of the re-detection surfaces of the lenses removed by the lenses not meeting the requirements; step 6: and after the detection is finished, the lens in the lens is reinforced, and the installation of the lens is finished.
Referring to fig. 2, a storage device for a lens assembly process comprises a rectangular block 1, wherein a storage groove 2 is formed in one side of the block 1 in the thickness direction, the storage groove 2 is a circular table groove, one end of the circular table groove far away from the block 1 is directly larger than one side facing the block 1, when a lens is placed in the storage groove 2, the lens can be fixedly stored in the storage groove 2 according to the diameter of the lens, and the circular table-shaped storage groove 2 can store lenses with different sizes, so that the application range of the storage groove 2 is improved; the inner wall of the accommodating groove 2 is fixedly provided with a plurality of ribs 4, the ribs 4 are uniformly arranged along the inner side wall of the accommodating groove 2 for one circle, and the arrangement of the ribs 4 can reduce the probability of the lens rotating in the accommodating groove 2, so that the probability of focus movement caused by rotation when the lens is accommodated is reduced; four access slots 5 are circumferentially formed in the storage slot 2, the access slots 5 are respectively formed in the periphery of the storage slot 2 and are communicated with the access slots 5, and the arrangement of the access slots 5 can facilitate the mechanical arm to put lenses into or remove the access slots 5.
Referring to fig. 2 and 3, an indication assembly 3 is arranged on one side of the block 1, which is provided with a storage groove 2, the indication assembly 3 comprises a sliding groove 31 arranged on the block 1, a sliding block 32 arranged in the sliding groove 31 in a sliding manner, an indication scale 33 arranged on one side of the sliding groove 31 and an indication arrow 34 fixedly arranged on the sliding block 32, the indication scale 33 is arranged along the length direction of the sliding groove 31, and the indication arrow 34 points to the indication scale 33; two groups of indicating components 3 are arranged on the block body 1, the sliding groove 31 of one group of indicating components 3 is longer than the other group, the indicating scale 33 on one side of the long sliding groove 31 is a thick scale, the scale on one side of the short sliding groove 31 is a thin scale, the focus offset size of the lens in the storage groove 2 is indicated through the thick scale and the thin scale display, and the size of the focus offset of the lens in the storage groove 2 can be conveniently displayed through adjusting the indicating arrow 34.
Referring to fig. 1 and 4, the blocks 1 are circumferentially provided with connecting assemblies 6, the connecting assemblies 6 enable the blocks 1 to be connected with each other, and the blocks 1 are connected with each other to form storage equipment with proper size, so that the size of the storage equipment can be adjusted according to actual requirements, and the utilization rate of the storage equipment is improved; the connecting assembly 6 comprises connecting grooves 61 uniformly formed in the circumference of the block 1 and connecting blocks 62 with two ends respectively inserted into the connecting grooves of the adjacent blocks 1, the connecting grooves 61 are dovetail grooves, the connecting grooves 61 penetrate through one end of the block 1, which is provided with the containing groove 2, and meanwhile penetrate through the side wall of the block 1, the connecting blocks 62 are blocks 1 with two dovetail-shaped ends in the length direction, and the connecting blocks 62 are inserted into the blocks 1 from one end of the block 1, which is provided with the containing groove 2, so that the two blocks 1 are fixedly connected.
The implementation principle of the embodiment of the application is as follows: proper amount of blocks 1 are selected according to actual demands, the blocks are spliced through the connecting blocks and the connecting grooves 61, then the lenses after surface core deviation detection are transferred into the storage groove 2 through the manipulator, and the indication arrows 34 point to the corresponding indication scales 33 according to the detected core deviation distance, so that the lenses can be conveniently selected for subsequent use.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (9)
1. A lens assembly process comprises the following steps:
step 1: molding the lens, and pouring the molded lens through a mold;
step 2: detecting surface misalignment, namely detecting the surface misalignment of the lens and detecting the surface misalignment of the lens;
step 3: classifying and storing, namely classifying and storing the lenses into the storage equipment according to the types of the lenses and the surface eccentric condition;
step 4: fitting the lens, namely fitting different types of lenses with the eccentric core of the lens surface being matched with each other on the lens;
step 5: detecting the lens, namely detecting the lens which is tried to be assembled, and testing whether the lens meets the requirement of a product or not;
step 6: and reinforcing the lens, namely reinforcing the lens in the lens meeting the requirements after the detection is completed.
2. The lens assembly process according to claim 1, wherein: polishing the surface of the lens after the lens is molded.
3. The lens assembly process according to claim 1, wherein: and after the surface eccentric detection is finished, the lens is rotated, so that the focal points of the lens are all moved to the same side of the lens.
4. A housing device for use in the lens assembly process of any one of claims 1-3, characterized in that: including block (1), set up on block (1) thickness direction one side and accomodate groove (2), set up on block (1) and accomodate groove (2) one side and be provided with instruction subassembly (3), instruct subassembly (3) including sliding groove (31), sliding block (32), instruct scale (33) and instruct arrow (34), sliding groove (31) are seted up on block (1), sliding block (32) slide and are set up in sliding groove (31), instruct scale (33) to set up in sliding groove (31) one side, instruct scale (33) to set up along sliding groove (31) length direction, instruct arrow (34) to set firmly on sliding block (32), instruct scale (33) to instruct arrow (34).
5. The housing apparatus for a lens assembly process of claim 4, wherein: the storage groove (2) is a round table groove, and one end of the round table groove, which is far away from the block body (1), is directly larger than one side, which faces the block body (1).
6. The housing apparatus for a lens assembly process of claim 5, wherein: the inner wall of the storage groove (2) is fixedly provided with a plurality of convex edges (4).
7. The housing apparatus for a lens assembly process of claim 6, wherein: the storage groove (2) is circumferentially provided with a plurality of access grooves (5).
8. The housing apparatus for a lens assembly process of claim 7, wherein: the blocks (1) are circumferentially provided with connecting assemblies (6), and the connecting assemblies (6) enable the blocks (1) to be connected with each other.
9. The housing apparatus for a lens assembly process of claim 8, wherein: the connecting assembly (6) comprises connecting grooves (61) and connecting blocks (62), the connecting grooves (61) are uniformly formed in the circumference of the blocks (1), and two ends of each connecting block (62) are respectively inserted into the connecting grooves of the adjacent blocks (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284400.4A CN114603756B (en) | 2022-03-22 | 2022-03-22 | Lens assembly and assembly process and storage equipment for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210284400.4A CN114603756B (en) | 2022-03-22 | 2022-03-22 | Lens assembly and assembly process and storage equipment for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114603756A CN114603756A (en) | 2022-06-10 |
| CN114603756B true CN114603756B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210284400.4A Active CN114603756B (en) | 2022-03-22 | 2022-03-22 | Lens assembly and assembly process and storage equipment for same |
Country Status (1)
| Country | Link |
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| CN (1) | CN114603756B (en) |
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|---|---|---|---|---|
| TW200825393A (en) * | 2006-12-06 | 2008-06-16 | Ind Tech Res Inst | Method for detecting decentration of lens module |
| JP2009274832A (en) * | 2008-05-15 | 2009-11-26 | Omron Corp | Part storage position indicating device and part storage position indicating method |
| CN101726986A (en) * | 2008-10-10 | 2010-06-09 | 鸿富锦精密工业（深圳）有限公司 | Assembling and testing device and method thereof |
| CN104260286A (en) * | 2014-09-26 | 2015-01-07 | 中山联合光电科技有限公司 | Plastic optical lens mould structure capable of adjusting core shift |
| CN104330866A (en) * | 2014-11-25 | 2015-02-04 | 中国航空工业集团公司洛阳电光设备研究所 | Optical lens assembly method |
| CN106291967A (en) * | 2015-05-27 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Lens assembling test device |
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| CN210571305U (en) * | 2019-11-18 | 2020-05-19 | 东莞市凯融光学科技有限公司 | Eccentric core detection tool of batch aspheric surface glass lens |
| CN112318819A (en) * | 2020-10-13 | 2021-02-05 | 吴国强 | Lens injection molding automation equipment and control method thereof |
| CN213974882U (en) * | 2020-11-03 | 2021-08-17 | 浙江舜宇光学有限公司 | Lens packaging box |
-
2022
- 2022-03-22 CN CN202210284400.4A patent/CN114603756B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200825393A (en) * | 2006-12-06 | 2008-06-16 | Ind Tech Res Inst | Method for detecting decentration of lens module |
| JP2009274832A (en) * | 2008-05-15 | 2009-11-26 | Omron Corp | Part storage position indicating device and part storage position indicating method |
| CN101726986A (en) * | 2008-10-10 | 2010-06-09 | 鸿富锦精密工业（深圳）有限公司 | Assembling and testing device and method thereof |
| CN104260286A (en) * | 2014-09-26 | 2015-01-07 | 中山联合光电科技有限公司 | Plastic optical lens mould structure capable of adjusting core shift |
| CN104330866A (en) * | 2014-11-25 | 2015-02-04 | 中国航空工业集团公司洛阳电光设备研究所 | Optical lens assembly method |
| CN106291967A (en) * | 2015-05-27 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Lens assembling test device |
| CN110672638A (en) * | 2019-11-15 | 2020-01-10 | 三门县义林眼镜有限公司 | Optics-based lens surface scratch detection device |
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| CN213974882U (en) * | 2020-11-03 | 2021-08-17 | 浙江舜宇光学有限公司 | Lens packaging box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114603756A (en) | 2022-06-10 |
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