CN111070717B - Lens processing method - Google Patents
Lens processing method Download PDFInfo
- Publication number
- CN111070717B CN111070717B CN202010006273.2A CN202010006273A CN111070717B CN 111070717 B CN111070717 B CN 111070717B CN 202010006273 A CN202010006273 A CN 202010006273A CN 111070717 B CN111070717 B CN 111070717B
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- lens
- barrel
- mold
- lens barrel
- processing method
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- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
-
- 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
- B29L2012/00—Frames
Abstract
The invention provides a lens processing method. The lens processing method comprises a step of processing the lens barrel, and the step of processing the lens barrel comprises the following steps: assembling the lens barrel mold and then loading the lens barrel mold into an injection molding machine; and injecting the hot-melted mixed raw material into a lens cone mold through a nozzle of an injection molding machine to form a lens cone, wherein the lens cone comprises a first cylinder body and a second cylinder body connected with the first cylinder body, an extension part extending towards the central axis of the first cylinder body is arranged on the inner wall of the first cylinder body, the extension part comprises a first surface and a second surface connected with the first surface, the first surface is connected with the end surface of the first cylinder body far away from the second cylinder body, the first surface and the end surface are arranged at a first preset included angle, after the hot-melted mixed raw material is cooled and molded to form the lens cone, the mold opening is carried out at the position of the first surface close to the second surface in comparison with the end surface, and the lens cone is taken out from the lens cone mold. The invention solves the problem that the lens in the prior art is easy to generate gold edge or press white to influence the visual experience.
Description
Technical Field
The invention relates to the technical field of lens processing, in particular to a lens processing method.
Background
Currently, in order to make the appearance of the camera generate black visual effect, the camera is usually required to be blackened.
However, in the prior art, the die sinking operation is usually performed at the large bell mouth of the lens barrel, so that the camera after the blackening operation is completed is prone to generate a gold edge or whitening, which affects the visual experience of the user.
Disclosure of Invention
The invention mainly aims to provide a lens processing method to solve the problem that in the prior art, a lens is easy to generate a gold edge or press white to influence the visual experience of a user.
In order to achieve the above object, according to one aspect of the present invention, there is provided a lens processing method including a step of processing a lens barrel, the step of processing the lens barrel including: assembling the lens barrel mold and then loading the lens barrel mold into an injection molding machine; and injecting the hot-melted mixed raw material into a lens cone mold through a nozzle of an injection molding machine to form a lens cone, wherein the lens cone comprises a first barrel body and a second barrel body connected with the first barrel body along the axis direction of the lens cone, a step surface is formed between the outer wall of the first barrel body and the outer wall of the second barrel body, an extension part extending towards the central axis of the first barrel body is arranged on the inner wall of the first barrel body, the extension part comprises a first surface and a second surface connected with the first surface, the first surface is connected with the end surface of the first barrel body far away from the second barrel body, the first surface and the end surface are arranged at a first preset included angle, after the hot-melted mixed raw material is cooled and formed into the lens cone, opening the mold is carried out at the position, close to the second surface, of the first surface, compared with the end surface, and the lens cone is taken out of the lens cone mold.
Further, the lens processing method further includes a step of assembling the lens group and the lens barrel, and the step of assembling the lens group and the lens barrel includes: and the lens group is arranged in the lens barrel so as to limit and stop the lens group and the extension part.
Further, the extension further comprises: and the third surface and the first surface are arranged at a second preset angle and extend towards the second cylinder.
Further, the mold opening operation is performed at the junction of the first surface and the third surface.
Furthermore, the second surface is arranged away from the end face, and after the lens group and the lens barrel are assembled, a preset gap is formed between the second surface and the lens group.
According to another aspect of the present invention, there is provided a lens processing method including a step of processing a lens barrel, the step of processing the lens barrel including: the lens cone mold is assembled and then is loaded into an injection molding machine, the hot-melted mixed raw material is injected into the lens cone mold through a nozzle of the injection molding machine to form a lens cone, the lens cone comprises a first cylinder and a second cylinder connected with the first cylinder along the axis direction of the lens cone, a step surface is formed between the outer wall of the first cylinder and the outer wall of the second cylinder, a notch is formed in the outer wall of the first cylinder, after the hot-melted mixed raw material is cooled and molded to form the lens cone, the mold is opened at the notch, and the lens cone is taken out of the lens cone mold.
Further, the notch is an annular groove, and the groove depth of the annular groove is less than or equal to 0.2 mm.
Further, along the central axis direction of first barrel, the outer wall of first barrel includes first wall and second wall, and the external diameter of second wall is greater than the external diameter of first wall, forms the breach between first wall and the second wall.
Further, the difference between the outer diameter of the second wall surface and the outer diameter of the first wall surface is less than or equal to 0.02 mm.
Further, an extension part extending towards the central axis of the first cylinder is arranged on the inner wall of the first cylinder, the lens processing method further comprises a step of assembling the lens group and the lens barrel, and the step of assembling the lens group and the lens barrel comprises the following steps: and the lens group is arranged in the lens barrel so as to limit and stop the lens group and the extension part.
According to the technical scheme, the lens barrel comprises a first barrel body and a second barrel body connected with the first barrel body along the axial direction of the lens barrel, a step surface is formed between the outer wall of the first barrel body and the outer wall of the second barrel body, an extending portion extending towards the central axis of the first barrel body is arranged on the inner wall of the first barrel body, the extending portion comprises a first surface and a second surface connected with the first surface, the first surface is connected with the end face, far away from the second barrel body, of the first barrel body, the first surface and the end face are arranged in a first preset included angle, after the hot-melted mixed raw materials are cooled and formed to form the lens barrel, die sinking is carried out on the position, close to the second surface, of the first surface compared with the end face, and the lens barrel is taken out of a lens barrel die.
Like this, compare with carrying out the die sinking in the big horn mouth department of lens cone among the prior art, the camera lens processing method in this application can avoid the lens cone to produce gold limit or press white at the blacking in-process, and then has solved among the prior art camera lens and has easily produced gold limit or press white and influence user visual experience's problem, has promoted user visual experience.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view showing an internal structure of a lens barrel according to a first embodiment of a lens barrel processing method according to the present invention;
fig. 2 is a schematic structural view illustrating a mold-open position of the lens processing method of fig. 1;
fig. 3 is a schematic view showing an internal structure of a lens barrel according to a second embodiment of the lens barrel processing method according to the present invention; and
fig. 4 shows an enlarged schematic diagram at B of the lens in fig. 3.
Wherein the figures include the following reference numerals:
10. a first cylinder; 11. an extension portion; 111. a first surface; 112. a second surface; 113. a third surface; 12. a notch; 13. a first wall surface; 14. a second wall surface; 20. a second cylinder; 31. a step surface; 40. a lens group.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, use of the directional terms "upper and lower" are generally directed to the orientation shown in the drawings, or to the vertical, or gravitational direction; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.
In order to solve the problem that in the prior art, a lens is easy to generate a gold edge or press white to influence the visual experience of a user, the application provides a lens processing method.
Example one
As shown in fig. 1 and 2, the lens processing method includes a step of processing the lens barrel, the step of processing the lens barrel including:
assembling the lens barrel mold and then loading the lens barrel mold into an injection molding machine;
and injecting the hot-melted mixed raw material into a lens cone mold through a nozzle of an injection molding machine to form a lens cone, wherein the lens cone comprises a first cylinder 10 and a second cylinder 20 connected with the first cylinder 10 along the axial direction of the lens cone, a step surface 31 is formed between the outer wall of the first cylinder 10 and the outer wall of the second cylinder 20, an extension part 11 extending towards the central axis of the first cylinder 10 is arranged on the inner wall of the first cylinder 10, the extension part 11 comprises a first surface 111 and a second surface 112 connected with the first surface 111, the first surface 111 is connected with the end surface of the first cylinder 10 far away from the second cylinder 20, the first surface 111 and the end surface are arranged at a first preset included angle, after the hot-melted mixed raw material is cooled and molded to form the lens cone, opening is carried out at the position of the first surface 111 close to the second surface 112 compared with the end surface, and the lens cone is taken out of the lens cone mold.
By applying the technical scheme of this embodiment, along the axial direction of the lens barrel, the lens barrel includes a first barrel 10 and a second barrel 20 connected to the first barrel 10, a step surface 31 is formed between the outer wall of the first barrel 10 and the outer wall of the second barrel 20, an extension portion 11 extending toward the central axis of the first barrel 10 is provided on the inner wall of the first barrel 10, the extension portion 11 includes a first surface 111 and a second surface 112 connected to the first surface 111, the first surface 111 is connected to the end surface of the first barrel 10 away from the second barrel 20, the first surface 111 and the end surface are arranged at a first preset included angle, after the hot-melted mixed raw material is cooled and formed into the lens barrel, the mold is opened at a position where the first surface 111 is close to the second surface 112 compared to the end surface, and the lens barrel is taken out of the lens barrel mold.
Like this, compare with carrying out the die sinking in the big horn mouth department of lens cone among the prior art, the camera lens processing method in this embodiment can avoid the lens cone to produce gold limit or press white at the blacking in-process, and then has solved among the prior art that the camera lens easily produces gold limit or press white and influence user visual experience's problem, has promoted user visual experience.
In this embodiment, the lens processing method further includes a step of assembling the lens group 40 and the lens barrel, and the step of assembling the lens group 40 and the lens barrel includes: the lens group 40 is mounted in the lens barrel, so that the lens group 40 and the extension part 11 are limited and stopped. Thus, after the lens barrel is taken out from the lens barrel mold, the lens group 40 is installed in the lens barrel, and the lens group 40 and the extension part 11 are limited and stopped, so that the lens assembly is completed.
Optionally, the lens group 40 comprises one or more lenses. When the lens is plural, the plural lenses are arranged at intervals in the central axis direction of the lens barrel.
As shown in fig. 1, the extension 11 further includes a third surface 113. The first surface 111 is connected to the second surface 112 through a third surface 113, and the third surface 113 and the first surface 111 form a second predetermined angle and extend toward the second cylinder 20. Thus, the arrangement prevents the lens group 40 from being scratched by the sharp point generated between the first surface 111 and the second surface 112, and the overall performance of the lens is improved.
As shown in fig. 2, the mold opening operation is performed at the junction of the first surface 111 and the third surface 113. Specifically, the mold opening is performed at a position a in fig. 2, so that the lens barrel is opened at the position of the small horn, and the phenomenon that the visual experience of a user is affected due to the fact that a gold edge or a blank pressing is generated after the lens is blackened is avoided.
In this embodiment, the second surface 112 is disposed away from the end surface, and after the lens group 40 is assembled with the lens barrel, a preset gap is formed between the second surface 112 and the lens group 40. Thus, the arrangement avoids the damage of the lens group 40 caused by the strong pressure of the extension part 11 on the lens group 40, and prolongs the service life of the lens.
Example two
The difference between the lens processing method in the second embodiment and the first embodiment is that: the mold opening positions are different.
As shown in fig. 3 and 4, the lens processing method includes a step of processing the lens barrel, the step of processing the lens barrel including:
the lens barrel mold is assembled and then is loaded into an injection molding machine, the hot-melted mixed raw material is injected into the lens barrel mold through a nozzle of the injection molding machine to form the lens barrel, the lens barrel comprises a first barrel body 10 and a second barrel body 20 connected with the first barrel body 10 along the axis direction of the lens barrel, a step surface 31 is formed between the outer wall of the first barrel body 10 and the outer wall of the second barrel body 20, a notch 12 is formed in the outer wall of the first barrel body 10, after the hot-melted mixed raw material is cooled and formed to form the lens barrel, the mold is opened at the notch 12, and the lens barrel is taken out of the lens barrel mold.
By applying the technical scheme of this embodiment, along the axial direction of the lens barrel, the lens barrel includes a first barrel 10 and a second barrel 20 connected to the first barrel 10, a step surface 31 is formed between the outer wall of the first barrel 10 and the outer wall of the second barrel 20, an extension portion 11 extending toward the central axis of the first barrel 10 is provided on the inner wall of the first barrel 10, the extension portion 11 includes a first surface 111 and a second surface 112 connected to the first surface 111, the first surface 111 is connected to the end surface of the first barrel 10 away from the second barrel 20, the first surface 111 and the end surface are arranged at a first preset included angle, after the hot-melted mixed raw material is cooled and formed into the lens barrel, the mold is opened at a position where the first surface 111 is close to the second surface 112 compared to the end surface, and the lens barrel is taken out of the lens barrel mold.
Like this, compare with carrying out the die sinking in the big horn mouth department of lens cone among the prior art, the camera lens processing method in this embodiment can avoid the lens cone to produce gold limit or press white at the blacking in-process, and then has solved among the prior art that the camera lens easily produces gold limit or press white and influence user visual experience's problem, has promoted user visual experience.
In this embodiment, the mold opening operation is performed at a in fig. 3.
In this embodiment, along the central axis direction of the first cylinder 10, the outer wall of the first cylinder 10 includes a first wall surface 13 and a second wall surface 14, the outer diameter of the second wall surface 14 is larger than the outer diameter of the first wall surface 13, and a gap 12 is formed between the first wall surface 13 and the second wall surface 14. Thus, the notch 12 is easier and simpler to process, and the processing cost of the lens is reduced. Meanwhile, the die sinking is carried out at the notch 12, so that the phenomenon that the lens barrel generates a gold edge or is pressed white in the blackening process can be avoided, and the visual experience of a user is further improved.
In the present embodiment, the difference between the outer diameter of the second wall surface 14 and the outer diameter of the first wall surface 13 is less than or equal to 0.02 mm. Therefore, the arrangement improves the structural strength of the lens barrel and prolongs the service life of the lens barrel; on the other hand, the die opening of the lens cone is easier and simpler, and the die opening difficulty is reduced.
In this embodiment, the inner wall of the first cylinder 10 is provided with an extension 11 extending toward the central axis of the first cylinder 10, the lens processing method further includes a step of assembling the lens group 40 and the lens barrel, and the step of assembling the lens group 40 and the lens barrel includes: the lens group 40 is mounted in the lens barrel, so that the lens group 40 and the extension part 11 are limited and stopped. Thus, after the lens barrel is taken out from the lens barrel mold, the lens group 40 is installed in the lens barrel, and the lens group 40 and the extension part 11 are limited and stopped, so that the lens assembly is completed.
Optionally, the lens group 40 includes one or more lenses. When the lens is plural, the plural lenses are arranged at intervals in the central axis direction of the lens barrel.
Note that the type of the notch 12 is not limited to this. In other embodiments not shown in the drawings, the indentation is an annular groove having a groove depth of less than or equal to 0.2 mm. Therefore, the notch is easier and simpler to process by the arrangement, and the processing difficulty is reduced.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
along the axis direction of lens cone, the lens cone includes first barrel and the second barrel of being connected with first barrel, form the step face between the outer wall of first barrel and the outer wall of second barrel, be provided with the extension that the central axis of orientation first barrel extends on the inner wall of first barrel, the extension includes first surface and the second surface of being connected with the first surface, the first surface is kept away from the terminal surface of second barrel with first barrel and is connected, first surface is first preset contained angle setting with the terminal surface, treat that the mixed raw and other materials cooling shaping after the hot melt forms the lens cone after, compare in the terminal surface and carry out the die sinking in the position department that the first surface is close to the second surface, take out the lens cone in the lens cone mould.
Like this, compare with carrying out the die sinking at the big horn mouth department of lens cone among the prior art, the camera lens processing method in this application can avoid the lens cone to produce golden edge or press white at the in-process of blacking, and then has solved among the prior art camera lens and easily produced golden edge or press white and influence user visual experience's problem, has promoted user visual experience.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A lens processing method, comprising a step of processing a lens barrel, the step of processing the lens barrel comprising:
assembling the lens barrel mold and then loading the lens barrel mold into an injection molding machine;
injecting the hot-melted mixed raw material into the lens barrel mold through a nozzle of the injection molding machine to form a lens barrel, wherein the lens barrel comprises a first barrel body (10) and a second barrel body (20) connected with the first barrel body (10) along the axis direction of the lens barrel, a step surface (31) is formed between the outer wall of the first barrel body (10) and the outer wall of the second barrel body (20), an extension part (11) extending towards the central axis of the first barrel body (10) is arranged on the inner wall of the first barrel body (10), the extension part (11) comprises a first surface (111) and a second surface (112) connected with the first surface (111), the first surface (111) is connected with the end surface of the first barrel body (10) far away from the second barrel body (20), and the first surface (111) and the end surface are arranged at a first preset included angle, and after the fused mixed raw material is cooled and molded to form the lens cone, opening the mold at a position, close to the second surface (112), of the first surface (111) compared with the end surface, and taking out the lens cone from the lens cone mold.
2. The lens processing method according to claim 1, further comprising a step of assembling a lens group (40) and the lens barrel, the step of assembling the lens group (40) and the lens barrel comprising:
and mounting a lens group (40) in the lens barrel so that the lens group (40) and the extension part (11) are limited and stopped.
3. The lens processing method according to claim 1, wherein the extension portion (11) further includes:
a third surface (113), the first surface (111) being connected to the second surface (112) via the third surface (113), the third surface (113) being arranged at a second predetermined angle to the first surface (111) and extending towards the second cylinder (20).
4. A lens processing method according to claim 3, wherein a mold opening operation is performed at a junction of the first surface (111) and the third surface (113).
5. The lens processing method according to claim 2, wherein the second surface (112) is disposed away from the end surface, and a predetermined gap is provided between the second surface (112) and the lens group (40) after the lens group (40) is assembled with the lens barrel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210049493.2A CN114347500A (en) | 2020-01-03 | 2020-01-03 | Lens processing method |
| CN202010006273.2A CN111070717B (en) | 2020-01-03 | 2020-01-03 | Lens processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006273.2A CN111070717B (en) | 2020-01-03 | 2020-01-03 | Lens processing method |
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| CN202210049493.2A Division CN114347500A (en) | 2020-01-03 | 2020-01-03 | Lens processing method |
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| CN111070717A CN111070717A (en) | 2020-04-28 |
| CN111070717B true CN111070717B (en) | 2022-05-03 |
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| CN202010006273.2A Active CN111070717B (en) | 2020-01-03 | 2020-01-03 | Lens processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108627941A (en) * | 2017-03-23 | 2018-10-09 | 大立光电股份有限公司 | Plastic lens barrel, camera module and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013205808A (en) * | 2012-03-29 | 2013-10-07 | Hitachi Maxell Ltd | Lens unit and camera module |
| CN104943068A (en) * | 2015-04-28 | 2015-09-30 | 青岛海信电器股份有限公司 | Plastic basket forming die and plastic basket |
| JP2017053933A (en) * | 2015-09-08 | 2017-03-16 | 日本電産サンキョー株式会社 | Lens unit |
| CN105619786A (en) * | 2016-03-16 | 2016-06-01 | 浙江蓝拓非球面光学有限公司 | Die assembling device for lens barrel and aspheric-surface lens and profiling gluing method |
| CN206339735U (en) * | 2016-10-25 | 2017-07-18 | 瑞声科技(新加坡)有限公司 | Camera lens module |
| CN206773266U (en) * | 2017-05-27 | 2017-12-19 | 浙江舜宇光学有限公司 | Camera lens |
| CN207352245U (en) * | 2017-08-30 | 2018-05-11 | 瑞声科技(新加坡)有限公司 | Camera lens module and electronic equipment |
| CN109814224A (en) * | 2017-11-22 | 2019-05-28 | 扬明光学股份有限公司 | Camera lens and its manufacturing method |
| CN110271211A (en) * | 2019-06-10 | 2019-09-24 | Oppo广东移动通信有限公司 | Manufacturing method, eyeglass, camera lens, camera mould group and the electronic device of eyeglass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108627941A (en) * | 2017-03-23 | 2018-10-09 | 大立光电股份有限公司 | Plastic lens barrel, camera module and electronic device |
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| CN114347500A (en) | 2022-04-15 |
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