CN107899905A - A kind of coating process and lens case of precision camera lens head-shield - Google Patents
A kind of coating process and lens case of precision camera lens head-shield Download PDFInfo
- Publication number
- CN107899905A CN107899905A CN201711267678.6A CN201711267678A CN107899905A CN 107899905 A CN107899905 A CN 107899905A CN 201711267678 A CN201711267678 A CN 201711267678A CN 107899905 A CN107899905 A CN 107899905A
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- CN
- China
- Prior art keywords
- lens case
- silica gel
- coating process
- heating
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/045—Lens hoods or shields
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
Abstract
The present invention provides a kind of coating process of accurate shooting head-shield and using lens case made of this kind of spraying method, the upper end of lens case is equipped with groove, coating process is included heat cured liquid silica gel as in groove, until the inner surface of heat cured liquid silica gel covering groove；Ink spraying is carried out to the upper surface of lens case；By lens case and heat cured liquid silica gel, heating makes heat cured liquid silica gel cure shrinkage jointly.Using liquid-state silicon gel replace it is existing block block and can exempt block the processing of block, improve processing efficiency and reduce production cost；Liquid-state silicon gel can effectively cover the whole accommodation space of groove, and liquid-state silicon gel avoids being bonded with groove, therefore can guarantee that the water white transparency state in the middle part of lens case when ink sprays.Liquid-state silicon gel meeting cure shrinkage after heating and cooling, cured silica gel then comes off naturally from lens case at this time, and the heating process of the drying course of ink and silica gel synchronously carries out, and ensures to ensure production efficiency while spraying effect.
Description
Technical field
The present invention relates to a kind of spray processes, more particularly to a kind of coating process for accurate camera lens head-shield
With the lens case drawn using this kind of coating process making.
Background technology
Existing mobile phone camera lens cover is typically to be formed by clear, colorless PC, ABS material injection molding, its diameter only has 10
Millimeter, belongs to Miniature precision part., it is necessary to carry out ink spraying to the edge of lens case in the actual processing of lens case, and mirror
Head-shield central slot position then needs to retain water white transparency state.
Conventional spray paint technique for first manufacture with lens case groove size match block block, and will block block be placed on it is recessed
Block in groove, taken out after the completion of spraying.And since precision shooting head-shield size is minimum, this requirement on machining accuracy pole to blocking block
Height, even if using high accuracy processing can not also avoid the bad phenomenons such as burr, dislocation, finally block block can not be put into groove or
Still have the gap with recess edge, ensure while can not finally realizing and the upper surface of lens case completely spray in lens case
The water white transparency state in portion.
The content of the invention
The first object of the present invention is to provide a kind of coating process for accurate camera lens head-shield.
The second object of the present invention is that providing a kind of coating process using accurate camera lens head-shield makes the mirror drawn
Head-shield.
To solve the first invention purpose of the present invention, the coating process of precision camera lens head-shield provided by the invention is used to apply
Lens case is filled, the upper end of lens case is equipped with groove and around the upper surface of groove；Coating process includes filling step, by thermosetting
Property liquid-state silicon gel be filled into groove, until the inner surface of heat cured liquid silica gel covering groove, or until heat cured liquid silicon
The liquid level of glue maintains an equal level with upper surface to be coated；Spraying process, ink spraying is carried out to the upper surface of lens case；Heating stepses, it is right
Lens case and heat cured liquid silica gel heating, make heat cured liquid silica gel cure shrinkage；Separating step, by cured thermosetting property liquid
State silica gel and lens case separation.
By such scheme as it can be seen that using liquid-state silicon gel replace it is existing block block and can exempt block the processing of block, improve plus
Work efficiency rate and reduction production cost；Liquid-state silicon gel can effectively cover the whole accommodation space of groove, and liquid-state silicon gel and groove are kept away
Exempt to be bonded, therefore can guarantee that the water white transparency state in the middle part of lens case when ink sprays.Liquid-state silicon gel meeting after heating and cooling
Cure shrinkage, cured silica gel then comes off naturally from lens case at this time, and the heating process of the drying course of ink and silica gel
It is synchronous to carry out, ensure to ensure production efficiency while spraying effect.
Further scheme is, after heating stepses, the shore hardness of cured heat cured liquid silica gel is less than 55 degree.
Therefore the shore hardness of cured heat cured liquid silica gel can guarantee that silica gel has preferably for less than 55 degree
Falling-off effect.
Further scheme is that the diameter of lens case upper groove is less than or equal to 6 millimeters.
Further scheme is that the mode of heating in heating stepses is using radiant heating.
Therefore lens case is heated using radiant heat, drying effect is more preferable.
Further scheme is to fill the dosing method in step to be filled using syringe.
Therefore the controllable degree of syringe is high, effectively control the injection rate of heat cured liquid silica gel.
Further scheme is, after heating stepses, ultraviolet curing transparent coating spraying is carried out to the outer surface of lens case.
Therefore the spraying of ultraviolet curing transparent coating makes lens case have permanent anti-ultraviolet function.
Further scheme is that the heating-up temperature in heating stepses is 60 degree to 65 degree, heating time be 100 minutes extremely
140 minutes.
Therefore heating-up temperature is 60 degree to 65 degree, the drying of ink when heating time is 100 minutes to 140 minutes
Best results.
Further scheme is that the heating-up temperature in heating stepses is 75 degree to 85 degree, heating time be 100 minutes extremely
140 minutes.
Therefore heating-up temperature is 75 degree to 85 degree, and addition is cured when heating time is 100 minutes to 140 minutes
The ink drying effect of agent is optimal.
To solve the second goal of the invention of the present invention, lens case provided by the invention is made to by above-mentioned coating process
Go out.
Therefore make that the lens case that draws is high in machining efficiency, processing cost is low and product matter by above-mentioned coating process
Amount effectively lifting.
Brief description of the drawings
Fig. 1 be the accurate camera lens head-shield of the present invention coating process embodiment in glue-injection machine structure chart.
Fig. 2 is that the coating process embodiment of the accurate camera lens head-shield of the present invention fills the fundamental diagram of step.
Fig. 3 is the flow chart of the coating process embodiment of the accurate camera lens head-shield of the present invention.
Fig. 4 is the fundamental diagram of the coating process embodiment spraying process of the accurate camera lens head-shield of the present invention.
Fig. 5 is the fundamental diagram of the coating process embodiment separating step of the accurate camera lens head-shield of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Embodiment
Referring to Fig. 1, Fig. 1 be the accurate camera lens head-shield of the present invention coating process embodiment in glue-injection machine structure chart.This
The coating process that invention provides is used to carry out application to the upper surface of accurate camera lens head-shield of the entire outer diameter less than 10 millimeters.
Glue-injection machine has been arrived in use when implementing the coating process of the present invention, and glue-injection machine includes workbench 1 and the water being above arranged on workbench 1
Flat cylinder 3, multiple syringes 4 and the bed die 2 being fixed on workbench 1.The multiple syringes 4 being arranged in rows are arranged on
The piston-rod end of horizontal air cylinder 3, the multiple placement positions set in a row are provided with bed die 2, are placed position and are used for fixed placement mirror
Head-shield 5, it is multiple place position Liancheng 4 Liancheng of straight line and multiple syringes straight line between be parallel to each other, in pushing away for horizontal air cylinder 3
Under dynamic, multiple syringes 4 are movable to the surface of multiple placement positions, and each syringe 4 and a placement position on bed die 2 are right
Should.
Referring to Fig. 2, Fig. 2 is that the coating process embodiment of the accurate camera lens head-shield of the present invention fills the operation principle of step
Figure.Lens case 5 is molded using transparent PC materials or ABS material, and the upper end of lens case 5 is equipped with groove 51, and lens case 5 is whole
Body is cylindrical, and the outside diameter of lens case 5 is less than or equal to 10 millimeters, and the diameter of groove 51 is then less than or equal to 6 millimeters.Camera lens
The upper surface 52 of cover 5 need to be sprayed using ink, and the inner peripheral surface of groove 51 and bottom surface then need to keep pellucidity.
With reference to Fig. 1 to Fig. 3, Fig. 3 is the flow chart of the coating process embodiment of the accurate camera lens head-shield of the present invention, and precision is taken the photograph
As the coating process of lens case includes：Step S1, multiple placement positions a plurality of lenses cover 5 being placed on bed die 2 are carried out first
On, and the groove 51 of lens case 5 and upper surface 52 are upward.Filling step S2 is then carried out, system drive horizontal air cylinder 3 drives more
A 4 horizontal translation of syringe, and drive syringe 5 to work, heat cured liquid silica gel 6 is injected into groove 51, until thermosetting property
Liquid-state silicon gel 6 covers the inner surface of groove 51 or until the liquid level of heat cured liquid silica gel 6 maintains an equal level with upper surface 52 to be coated.By
Liquid is kept at normal temperatures in heat cured liquid silica gel 6, there is mobility, therefore inject the heat cured liquid silica gel 6 in groove 51
It is natural to be in close contact with the inner peripheral surface of groove 51 and bottom surface.
With reference to Fig. 4 and Fig. 5, the coating process embodiment spraying of Fig. 4 and the accurate camera lens head-shield of Fig. 5 respectively present invention
The fundamental diagram of step and separating step.Spraying process S3 is then carried out, ink spray is carried out to the upper surface 52 of lens case 5
Apply.For ink jet printer 71 when carrying out ink spraying, ink 7 is then covered in upper surface 52 and the upper surface of heat cured liquid silica gel 6
On, due to the barrier of heat cured liquid silica gel 6, ink 7 cannot be sprayed on the inner surface of groove 51.
Heating stepses S4 is then carried out, lens case 5 and heat cured liquid silica gel 6 are heated jointly.Heating work is using production
The oven of raw radiant heat carries out, and heating time is 100 minutes to 140 minutes, and heating-up temperature is depending on the selection situation of ink.
If with the addition of curing agent in ink, heating-up temperature is 75 degree to 85 degree；If being not added with curing agent in ink, heating-up temperature 60
Degree is to 65 degree.Under heating, heat cured liquid silica gel is by cure shrinkage.Then separating step S5 is carried out, the heat after cure shrinkage
Solidity liquid-state silicon gel 6 will come off from groove 51, it is only necessary to stir lens case 5 and the heat cured liquid silicon after cure shrinkage can be achieved
Separation between glue 6 and lens case 5.Preferably, the shore hardness of cured heat cured liquid silica gel 6 is less than 55 degree.By mirror
Heating is, by outside 6 cure shrinkage of heat cured liquid silica gel, also to realize mirror at the same time jointly for head-shield 5 and heat cured liquid silica gel 6
The drying of 5 curing ink of head-shield.
Step S6 is finally carried out, ultraviolet curing transparent coating spraying is carried out to the outer surface of the lens case 5, due to purple
Outer photocuring clear dope is transparence, therefore can carry out the spray of ultraviolet curing transparent coating again after step S4 dries ink
Apply, so as to improve the UV Aging Resistance of lens case 5.
The coating process of precision camera lens head-shield provided by the invention replaces the existing block that blocks to exempt from using liquid-state silicon gel
Except the processing for blocking block, improve processing efficiency and reduce production cost；Liquid-state silicon gel can effectively cover the whole of groove and accommodate sky
Between, liquid-state silicon gel avoids being bonded with groove, therefore can guarantee that the water white transparency state in the middle part of lens case when ink sprays.Liquid
Silica gel meeting cure shrinkage after heating and cooling, cured silica gel then comes off naturally from lens case at this time, and the drying of ink
Process and the heating process of silica gel synchronously carry out, and ensure to ensure production efficiency while spraying effect.
Finally it is emphasized that the foregoing is merely the preferred embodiment of the present invention, it is not intended to limit the invention, it is right
For those skilled in the art, the present invention can have various change and change, within the spirit and principles of the invention,
Any modification, equivalent substitution, improvement and etc. done, should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of coating process of precision camera lens head-shield, the coating process is used for application lens case, the lens case it is upper
End is equipped with groove and around the upper surface of the groove；
It is characterized in that：
The coating process includes：
Step is filled, heat cured liquid silica gel is filled into the groove, until described in heat cured liquid silica gel covering
The inner surface of groove, or until the liquid level of the heat cured liquid silica gel maintains an equal level with the upper surface to be coated；
Spraying process, ink spraying is carried out to the upper surface of the lens case；
Heating stepses, to the lens case and the heat cured liquid silica gel heating, cure the heat cured liquid silica gel and receive
Contracting；
Separating step, the cured heat cured liquid silica gel and the lens case are separated.
2. coating process according to claim 1, it is characterised in that：
After the heating stepses, the shore hardness of cured heat cured liquid silica gel is less than 55 degree.
3. coating process according to claim 2, it is characterised in that：
The diameter of the groove is less than or equal to 6 millimeters.
4. coating process according to claim 3, it is characterised in that：
Mode of heating in the heating stepses is using radiant heating.
5. coating process according to claim 4, it is characterised in that：
Dosing method in the filling step is to be filled using syringe.
6. coating process according to claim 5, it is characterised in that：
After the heating stepses, ultraviolet curing transparent coating spraying is carried out to the outer surface of the lens case.
7. coating process according to any one of claims 1 to 6, it is characterised in that：
Heating-up temperature in the heating stepses is 60 degree to 65 degree, and heating time is 100 minutes to 140 minutes.
8. coating process according to any one of claims 1 to 6, it is characterised in that：
Before the spraying process, curing agent is added in ink；
Heating-up temperature in the heating stepses is 75 degree to 85 degree, and heating time is 100 minutes to 140 minutes.
9. lens case, it is characterised in that the lens case is made by claim 1 to 8 any one of them coating process and drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267678.6A CN107899905A (en) | 2017-12-05 | 2017-12-05 | A kind of coating process and lens case of precision camera lens head-shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267678.6A CN107899905A (en) | 2017-12-05 | 2017-12-05 | A kind of coating process and lens case of precision camera lens head-shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107899905A true CN107899905A (en) | 2018-04-13 |
Family
ID=61854292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711267678.6A Pending CN107899905A (en) | 2017-12-05 | 2017-12-05 | A kind of coating process and lens case of precision camera lens head-shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107899905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013237A (en) * | 2018-09-28 | 2018-12-18 | 中国科学院力学研究所 | A method of spot is sprayed to sample designated surface using auxiliary tool |
| CN109772658A (en) * | 2019-01-22 | 2019-05-21 | 江苏道融电子科技有限公司 | A kind of non-glue-coated surface coating technique of masking |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1625609A (en) * | 2002-08-02 | 2005-06-08 | 三菱重工业株式会社 | Method for forming heat shielding film, masking pin and tail pipe of combustor |
-
2017
- 2017-12-05 CN CN201711267678.6A patent/CN107899905A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1625609A (en) * | 2002-08-02 | 2005-06-08 | 三菱重工业株式会社 | Method for forming heat shielding film, masking pin and tail pipe of combustor |
Non-Patent Citations (2)
| Title |
|---|
| 吴复宇: "《汽车涂装技术》", 31 January 2014, 中央广播电视大学出版社 * |
| 吴晓谦: "《橡胶制品工艺》", 31 January 2004, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013237A (en) * | 2018-09-28 | 2018-12-18 | 中国科学院力学研究所 | A method of spot is sprayed to sample designated surface using auxiliary tool |
| CN109772658A (en) * | 2019-01-22 | 2019-05-21 | 江苏道融电子科技有限公司 | A kind of non-glue-coated surface coating technique of masking |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |
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| RJ01 | Rejection of invention patent application after publication |