CN105817956A - Machining method for plastic curved lens - Google Patents
Machining method for plastic curved lens Download PDFInfo
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- CN105817956A CN105817956A CN201510736662.XA CN201510736662A CN105817956A CN 105817956 A CN105817956 A CN 105817956A CN 201510736662 A CN201510736662 A CN 201510736662A CN 105817956 A CN105817956 A CN 105817956A
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- sheet material
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- cambered surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q33/00—Methods for copying
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a machining method for a plastic curved lens. The machining method comprises the steps that a plastic plate to be machined is cut into a first state plate with a set product contour through a computerized numerical control machine (CNC); a set radian is machined along the edge of the first state plate by means of the CNC through a copying tool, a second state plate with a curved surface is formed, and a tool bit of the copying tool comprises an inner arc with the set radian; and surface treatment is conducted on the curved surface of the second state plate, and the plastic curved lens is obtained. By the adoption of the machining method for the plastic curved lens, plastic materials can be machined into the curved lens meeting the requirement for appearance design aesthetics, and the plastic curved lens is comparable with a glass curved lens. Time for machining the curved lens is shortened, and the material cost for machining the curved lens is reduced.
Description
Technical field
The present invention relates to Electronic products manufacturing field, particularly relate to a kind of plastic cement globoidal mirror slice processing method.
Background technology
Along with making rapid progress of consumer electronics product, the product competition of various brands is fierce, consumer is more and more higher for the requirement of consumer electronics product, in addition to the hardware specification (such as processor, screen size and pixel, network formats, camera pixel etc.) of electronic product, the appearance design of electronic product is valued the most very much by consumer.
As a example by current 2.5D globoidal mirror blade technolgy, only glass material, its transparency is high, and permeability is good, and the product appearance representability that 2.5D cambered surface is made on surface is good.But the characteristic of glass material itself is the most crisp, the processing mode of grinding can only be used, long processing time, with high costs.
And high saturating plastic sheet, its permeability still can, easy to process, with low cost, but do not accomplish effect perfect 2.5D radian moulding all the time, even can only make flat board, by certain limitation in application.
Therefore, current product appearance manufacture faces following problem: meets high-quality appearance design requirement, or can only use glass material, but cost is the highest；Plastic sheet can only be used, but it is common not reach appearance effect, can not meet the market demand.
Summary of the invention
Meet this technical problem of radian eyeglass of appearance design requirement to overcome plastic material can not be processed by prior art, the invention provides a kind of plastic cement globoidal mirror slice processing method.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
The invention provides a kind of plastic cement globoidal mirror slice processing method, including step:
Plastic sheet Digit Control Machine Tool CNC to be processed is cut into one there is the first state sheet material setting product profile；
CNC uses copying tool to process a setting radian along the edge of described first state sheet material, forms the second state sheet material including a cambered surface, and the cutter head of described copying tool includes an Inner arc with described setting radian；
The cambered surface of described second state sheet material is carried out surface process, obtains plastic cement cambered surface eyeglass.
The invention has the beneficial effects as follows: the plastic cement globoidal mirror slice processing method of the present invention, plastic material can be processed into the radian eyeglass meeting appearance design aesthetic feeling, and match in excellence or beauty glass radian eyeglass.Decrease the time and materials cost needed for processing radian eyeglass.
Accompanying drawing explanation
Fig. 1 represents the flow chart of steps of plastic cement globoidal mirror slice processing method in the embodiment of the present invention；
Fig. 2 represents the schematic flow sheet using the first surface treatment method in the embodiment of the present invention during plastic cement globoidal mirror slice processing method；
Fig. 3 represents the schematic flow sheet using the second surface treatment method in the embodiment of the present invention during plastic cement globoidal mirror slice processing method；
Fig. 4 represents the schematic flow sheet using the third surface treatment method in the embodiment of the present invention during plastic cement globoidal mirror slice processing method；
Fig. 5 represents the steps flow chart schematic diagram of cambered surface one layer of anti-fingerprint film of plating of the sheet material in the embodiment of the present invention after polishing；
Fig. 6 represents the step entire flow figure of plastic cement globoidal mirror slice processing method in the embodiment of the present invention；
Fig. 7 represents in the embodiment of the present invention schematic appearance of copying tool in plastic cement globoidal mirror slice processing method；
Fig. 8 represents in the embodiment of the present invention view during copying tool processing sheet material in plastic cement globoidal mirror slice processing method.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment 1,
With reference to shown in Fig. 1, the invention provides a kind of plastic cement globoidal mirror slice processing method, including:
Step 11, cuts into plastic sheet Digit Control Machine Tool (CNC) to be processed one and has the first state sheet material setting product profile.
Specifically, above-mentioned using CNC to cut into the first state sheet material sheet material to be processed, the profile of this first state sheet material is the profile of product.The first differently contoured state sheet material can be cut into, it is adaptable to the processing of different product according to the shape of different terminal units.
Step 12, CNC uses copying tool that the edge of above-mentioned first state sheet material processes a setting radian, forms the second state sheet material including a cambered surface, and the cutter head of copying tool includes an Inner arc with described setting radian.
Specifically, the edge processing the sheet material of profile is carried out radian processing by CNC so that the surface of sheet material forms a cambered surface.The copying tool that CNC processing sheet material arc limit uses is customized according to the radian on the arc limit of required processing sheet material, can then change the copying tool of corresponding radian for the processing of the sheet material of the different radian of processing, CNC.
Step 13, carries out surface process by the cambered surface of the second state sheet material, obtains plastic cement cambered surface eyeglass.
Specifically, by the second state sheet material, the surface i.e. completing the sheet material that arc limit is processed to form a cambered surface carries out surface process, and the method that this surface processes can select according to product design, thus obtains plastic cement globoidal mirror flake products.
The method of the present invention breaches the restriction of plastic sheet processing technique, can process the 2.5D cambered surface plastic lens of high-quality；Compared with 2.5D glass cambered surface eyeglass, under reaching equal outward appearance and quality requirements, the use of plastic sheet considerably reduces manufacturing cost.
Furthermore, it is understood that with reference to shown in Fig. 6, step 11 also includes before plastic sheet Digit Control Machine Tool CNC to be processed cuts into a first state sheet material step with setting product profile:
Step 10, cuts into multiple square plastic sheet to be processed by original plate.Original plate is the whole material magnifying block, and original plate cut into square plastic sheet to be processed in advance, square sheet material be easily worked and and product shape approximation, so decreasing the difficulty of following process.
Embodiment 2
On the basis of embodiment 1, the cambered surface of the second state sheet material is carried out the first method of surface process particularly as follows:
The cambered surface of the second state sheet material is sprayed ultraviolet UV coating, after carrying out the irradiation solidification of UV lamp, obtains third state sheet material；UV coating on third state sheet material is formed unnecessary shirt rim be removed.UV coating solidifies under the ultraviolet light irradiation that UV lamp sends, and the most only needs about 1 second or shorter time, can carry out quick and continuous operation, be greatly improved production efficiency.Sheet material curved surfaces spraying UV coating so as to get plastic cement globoidal mirror flake products case hardness big, wearability good, transparency good.
Below the detailed process using the plastic cement globoidal mirror slice processing method of this first surface treatment method is described.
Shown in reference Fig. 2, step 21, plastic plate numerically controlled lathe CNC to be processed is cut into one there is the first state sheet material setting product profile.Specifically, being fixed on fixture by plastic plate to be processed, CNC is cut to required profile, stand-by.
Step 22, CNC uses copying tool that the edge of the first state sheet material processes a setting radian, forms the second state sheet material including a cambered surface, and the cutter head of copying tool includes that one has the Inner arc setting radian.
Specifically, CNC uses the copying tool of customization instead, along the edge of the first state sheet material, processes the second state sheet material with a radian customized, takes out stand-by.This radian is preferably 2.5D radian.
Step 23, sprays ultraviolet UV coating by the cambered surface of the second state sheet material, obtains tri-plate after carrying out the irradiation solidification of UV lamp.
Specifically, the second state sheet material processing radian is fixed on spraying fixture, sprays UV coating through spraying coating line, after the solidification of UV light irradiation, obtain tri-plate, stand-by.
Step 24, forms unnecessary shirt rim by UV coating on third state sheet material and is removed.
Specifically, being fixed on fixture by the third state plate after UV paint solidification, use CNC to be cut away unnecessary shirt rim, plastic cement globoidal mirror flake products completes.
In this embodiment, after plastic cement cambered surface eyeglass is processed cambered surface, the surface of its cambered surface is carried out the spraying of UV coating so that product surface hardness is big, and wearability is good, and transparency is good.
Embodiment 3,
On the basis of embodiment 1, the cambered surface of the second state sheet material is carried out the second method of surface process particularly as follows: the cambered surface of the second state sheet material be processed by shot blasting, obtain the 4th state sheet material；The cambered surface of the 4th state sheet material is sprayed ultraviolet UV coating, after carrying out the solidification of UV lamp, obtains five sheet materials；On 5th state sheet material, UV coating forms unnecessary shirt rim and is removed.
Below the detailed process using the plastic cement globoidal mirror slice processing method of this second surface treatment method is described.
Shown in reference Fig. 3, step 31, plastic sheet Digit Control Machine Tool CNC to be processed is cut into one there is the first state sheet material setting product profile.
Specifically, being fixed on fixture by plastic plate to be processed, CNC is cut to required profile, stand-by.
Step 32, CNC uses copying tool to process a setting radian along the edge of described first sheet material, forms the second state sheet material including a cambered surface, and the cutter head of described copying tool includes an Inner arc with described setting radian.This radian is preferably 2.5D radian.
Specifically, CNC uses the copying tool of customization instead, along the edge of the first state sheet material, processes the second state sheet material with a radian customized, takes out stand-by.
Step 33, is processed by shot blasting the cambered surface of the second state sheet material, obtains the 4th state sheet material.
Specifically, the the second state sheet material processing 2.5D radian is fixed on fixture, selects suitable wool polishing wheel and buffing wax, adjust the suitable rotating speed of buff wheel, pressure and angle, second state sheet material is carried out the essence throwing of 2.5D cambered surface, obtains the 4th state sheet material.
Step 34, sprays ultraviolet UV coating by the cambered surface of the 4th state sheet material, obtains five sheet materials after carrying out the solidification of UV lamp.
Specifically, the 4th state sheet material having polished cambered surface is fixed on spraying fixture, sprays UV coating through spraying coating line, after the solidification of UV light irradiation, obtain the 5th sheet material, stand-by.
Step 35, on the 5th state sheet material, UV coating forms unnecessary shirt rim and is removed.
Specifically, being fixed on fixture by the 5th state plate after UV paint solidification, use CNC to be cut away unnecessary shirt rim, plastic cement globoidal mirror flake products completes.
After sheet fabrication goes out cambered surface, the cambered surface of sheet material is polished, then carries out the spraying of UV coating so that the surface of the plastic cement globoidal mirror flake products finally given is more smooth, and feel is more preferably.Meanwhile, product surface carries out the spraying of UV coating so that product surface hardness is big, and wearability is good, and transparency is good.
Embodiment 4,
On the basis of embodiment 1, the cambered surface of the second state sheet material is carried out the third method of surface process particularly as follows: the cambered surface of the second state sheet material be processed by shot blasting, obtain the 4th state sheet material；One layer of anti-fingerprint film will be plated in the cambered surface of the 4th state sheet material.
Below the detailed process using the plastic cement globoidal mirror slice processing method of this third surface treatment method is described.
Shown in reference Fig. 4, step 41, plastic sheet Digit Control Machine Tool CNC to be processed is cut into one there is the first state sheet material setting product profile.
Specifically, plastic plate to be processed is fixed on fixture, and CNC is cut to required profile, stand-by.
Step 42, CNC uses copying tool to process a setting radian along the edge of described first sheet material, forms the second state sheet material including a cambered surface, and the cutter head of described copying tool includes an Inner arc with described setting radian.This radian is preferably 2.5D radian.
Specifically, CNC uses the copying tool of customization instead, along the edge of the first state sheet material, processes the second state sheet material with a radian customized, takes out stand-by.
Step 43, is processed by shot blasting the cambered surface of the second state sheet material, obtains the 4th state sheet material.
Specifically, the the second state sheet material processing 2.5D radian is fixed on fixture, selects suitable wool polishing wheel and buffing wax, adjust the suitable rotating speed of buff wheel, pressure and angle, second state sheet material is carried out the essence throwing of 2.5D cambered surface, obtains the 4th state sheet material.
Step 44, will plate one layer of anti-fingerprint film in the cambered surface of the 4th state sheet material.
Specifically, after sheet fabrication goes out cambered surface, the cambered surface of sheet material is polished, then cambered surface is plated anti-fingerprint film.Plate surface is processed by shot blasting so that anti-fingerprint film more preferably adheres to the surface of sheet material.Simultaneously so that there is more preferable anti-fingerprint effect on the surface of the plastic cement globoidal mirror flake products finally given.
Embodiment 5,
With reference to shown in Fig. 5, on the basis of embodiment 4, the step of one layer of anti-fingerprint film will be plated in the cambered surface of the 4th state sheet material particularly as follows:
Step 441, is fixed on the 4th state sheet material on hanger, puts into vacuum coating equipment；
Step 442, places anti-fingerprint material on the evaporation source of vacuum coating equipment, and in the vacuum chamber of holding vacuum coating equipment, pressure is 0.01～0.05Pa, and the 4th state sheet material is implemented vacuum evaporation；
Step 443, the cambered surface of the 4th state sheet material forms the anti-fingerprint film that thickness is 10～20nm.
Use vacuum coating equipment to the 4th state sheet material plating anti-fingerprint film after polishing so that the stain resistance on the surface of final product strengthens, and the film after vacuum evaporation only has 10～20nm thickness simultaneously, the most too much affects the texture of product.
Embodiment 6,
On the basis of embodiment 2 and embodiment 3, during spraying UV coating, the pressure of spray gun is 2.0-4.0kg/cm2, the thickness of spraying be the energy of 20-40um, UV lamp be 800-1200mj/cm2.Spray gun uses suitable pressure and spraying suitable thickness so that UV coating can preferably be attached to the surface of product, is also avoided that the waste of material that overspray UV coating causes.Suitable energy selected by UV lamp, so that UV coating can solidify with certain speed, avoids the energy dissipation that the UV lamp using energy too high causes simultaneously.
Embodiment 7,
On the basis of embodiment 3 and embodiment 4, specifically limiting the rotating speed of buff wheel in polishing and the pressure treating polished board, wherein, the rotating speed of the buff wheel in polishing is 8000RPM, pressure is 2kg.For the material of sheet material, set rotating speed and the pressure of buff wheel so that plate surface flatness and smoothness after polishing meet requirement.Preferably, the polishing step in embodiment three uses wool polishing wheel and buffing wax.
Embodiment 8,
On the basis of embodiment 1-4, use copying tool to process in a setting radian step along the edge of the first state sheet material processing CNC, the rotating speed of CNC be the feeding rate of 8000RPM, CNC be 1.2M/min.For the material of sheet material, set feeding rate and the rotating speed at CNC processing radian edge, it is ensured that the precision of sheet edge processing, smoothness, owing to sheet material material is softer, feeding rate faster can be set, it is ensured that working (machining) efficiency.
Embodiment 9,
With reference to shown in Fig. 7 and Fig. 8, on the basis of embodiment 1-4, in order to the edge of sheet material 2 processes the arc limit of 2.5D, the cutter head of the copying tool 1 of employing has identical interior radian.Length L of copying tool 1 is 3.0mm, and the radius R of the Inner arc of the cutter head of copying tool is 4.0mm；The material of copying tool is single-crystal diamond, polycrystalline diamond or wolfram steel.Preferably, the copying tool material in above-described embodiment two uses single-crystal diamond, and the copying tool material in embodiment three and embodiment four uses polycrystalline diamond or wolfram steel.
The plastic material that said method uses achieves the processing carrying out globoidal mirror sheet on plastic cement, and the plastic cement cambered surface eyeglass processed matches in excellence or beauty glass cambered surface eyeglass, on the one hand breach the restriction of plastic sheet technique, the 2.5D cambered surface plastic lens of high-quality can be processed；On the other hand, under reaching equal outward appearance and quality requirements, processing cost and material cost are substantially reduced than 2.5D globoidal glass eyeglass.
The disclosed processing method carrying out globoidal mirror sheet on plastic cement of various embodiments above, achieve on plastic sheet, process 2.5D cambered surface eyeglass effect, improve appearance power, this plastic sheet can extensively can be applied on 3C Product, and the most various electronic equipments include mobile phone, flat board, navigation, palm PC etc..
In describing the invention, it will be appreciated that, term " longitudinally ", " radially ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality invention restriction.In describing the invention, except as otherwise noted, " multiple " are meant that two or more.
Above-described is the preferred embodiment of the present invention; should be understood that for the ordinary person of the art; can also make some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications are the most within the scope of the present invention.
Claims (10)
1. a plastic cement globoidal mirror slice processing method, it is characterised in that include step:
Plastic sheet Digit Control Machine Tool CNC to be processed is cut into one there is the first state sheet material setting product profile；
CNC uses copying tool to process a setting radian along the edge of described first state sheet material, forms the second state sheet material including a cambered surface, and the cutter head of described copying tool includes an Inner arc with described setting radian；
The cambered surface of described second state sheet material is carried out surface process, obtains plastic cement cambered surface eyeglass.
2. plastic cement globoidal mirror slice processing method as claimed in claim 1, it is characterised in that the described cambered surface by described second state sheet material carries out surface treatment step and includes:
The cambered surface of described second state sheet material is sprayed ultraviolet UV coating, after carrying out the solidification of UV lamp, obtains third state sheet material；
UV coating on described third state sheet material is formed unnecessary shirt rim be removed.
3. plastic cement globoidal mirror slice processing method as claimed in claim 1, it is characterised in that the described cambered surface by described second state sheet material carries out surface treatment step and includes:
The cambered surface of described second state sheet material is processed by shot blasting, obtains the 4th state sheet material；
The cambered surface of described 4th state sheet material is sprayed ultraviolet UV coating, after carrying out the solidification of UV lamp, obtains five sheet materials；
On described 5th state sheet material, UV coating forms unnecessary shirt rim and is removed.
4. plastic cement globoidal mirror slice processing method as claimed in claim 1, it is characterised in that the described cambered surface by described second state sheet material carries out surface treatment step and includes,
The cambered surface of described second state sheet material is processed by shot blasting, obtains the 4th state sheet material；
One layer of anti-fingerprint film will be plated in the cambered surface of described 4th state sheet material.
5. plastic cement globoidal mirror slice processing method as claimed in claim 1, it is characterised in that described plastic sheet Digit Control Machine Tool CNC to be processed is cut into one there is the first state sheet material step setting product profile before also include:
Original plate is cut into multiple square plastic sheet to be processed.
6. plastic cement globoidal mirror slice processing method as claimed in claim 2 or claim 3, it is characterised in that when spraying described UV coating, the pressure of spray gun is 2.0-4.0kg/cm2, the thickness of spraying is 20-40um, and the energy of described UV lamp is 800-1200mj/cm2。
7. the plastic cement globoidal mirror slice processing method as described in claim 3 or 4, it is characterised in that the rotating speed of the buff wheel in described polishing is 8000RPM, pressure is 2kg.
8. plastic cement globoidal mirror slice processing method as claimed in claim 4, it is characterised in that the described step that will plate one layer of anti-fingerprint film in the cambered surface of described 4th state sheet material particularly as follows:
Described 4th state sheet material is fixed on hanger, puts into vacuum coating equipment；
Placing anti-fingerprint material on the evaporation source of vacuum coating equipment, in the vacuum chamber of holding vacuum coating equipment, pressure is 0.01～0.05Pa, and described 4th state sheet material is implemented vacuum evaporation；
The cambered surface of described 4th state sheet material forms the anti-fingerprint film that thickness is 10～20nm.
9. such as Claims 1 to 5, plastic cement globoidal mirror slice processing method according to any one of 8, it is characterized in that, described CNC uses copying tool to process in a setting radian step along the edge of described first state sheet material, the rotating speed of described CNC is 8000RPM, and the feeding rate of described CNC is 1.2M/min.
10. such as Claims 1 to 5, plastic cement globoidal mirror slice processing method according to any one of 8, it is characterised in that a length of 3.0mm of described copying tool, the radius of the Inner arc of the cutter head of described copying tool is 4.0mm；The material of described copying tool is single-crystal diamond, polycrystalline diamond or wolfram steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510736662.XA CN105817956A (en) | 2015-10-30 | 2015-10-30 | Machining method for plastic curved lens |
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| CN201510736662.XA CN105817956A (en) | 2015-10-30 | 2015-10-30 | Machining method for plastic curved lens |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106980229A (en) * | 2017-05-11 | 2017-07-25 | 深圳市中联讯科技有限公司 | A kind of preparation method of cambered surface eyeglass |
| CN107053664A (en) * | 2017-05-22 | 2017-08-18 | 歌尔股份有限公司 | The preparation method of camera lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107053664A (en) * | 2017-05-22 | 2017-08-18 | 歌尔股份有限公司 | The preparation method of camera lens |
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Application publication date: 20160803 |