CN107686228A - A kind of molding device of non-spherical lens and preparation method thereof - Google Patents
A kind of molding device of non-spherical lens and preparation method thereof Download PDFInfo
- Publication number
- CN107686228A CN107686228A CN201710812921.1A CN201710812921A CN107686228A CN 107686228 A CN107686228 A CN 107686228A CN 201710812921 A CN201710812921 A CN 201710812921A CN 107686228 A CN107686228 A CN 107686228A
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- China
- Prior art keywords
- mould
- cooling chamber
- chunk glass
- expansion link
- upper bush
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/125—Cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/122—Heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of molding device of non-spherical lens and preparation method thereof,Horizontal connecting rod is connected between top mold frame and upper mould,Pressing plate is connected between top mold frame and upper mould,Pressing plate passes perpendicularly through connecting rod,Sleeve includes upper bush and lower sleeve,The lower section of lower sleeve is connected with lower mold holder,The side of lower sleeve is connected with horizontal slide bar,Cooling chamber is connected between connecting rod and slide bar,Vertical side on cooling chamber close to upper bush is telescopic expansion plate,Outer cover is connected with warming plate,Microwave magnetron is connected with outer cover,Waveguide pipe is connected with outer cover on microwave magnetron,Microwave magnetron is used to heat upper die and lower die,Telescopic expansion link A is connected with upper bush,Swingle is connected with expansion link A,Sander is connected with swingle,Sander is used for chunk glass of polishing,Telescopic expansion link B is respectively connected with upper die and lower die,Rubber slab is respectively connected with two expansion link B,Chunk glass is connected between two rubber slabs.
Description
Technical field
The present invention relates to lens art, and in particular to a kind of molding device of non-spherical lens and preparation method thereof.
Background technology
Since 21st century, with the development of numeral science and technology, the Fast Growth of 3C industries, and the digital production in the whole world
The surge year by year of product (such as digital camera, smart mobile phone, wearable product) demand, High-precision aspheric lens, lenticule,
The demand of the glass optical component such as microlens array and diffraction lens is increasing.According to statistics, by 2015, each domain requirement
Amount is as follows：Measuring instrument field, 4,000,000,000 or so；Manufacturing field, 3,600,000,000 or so；Field of medical technology, 4,000,000,000 left sides
It is right；Areas of information technology, 8,600,000,000 or so；Photoelectric communication field, 3,800,000,000 or so.In addition, complicated aspherics lens exist
In the fields such as automobile sensor, automotive safety identification, camera system, automotive diagnostic installation, also increased with 10-20% annual growth
It is long.Therefore, how high efficiency, low-cost, high-volume manufacture quantity so huge, multiple dimensioned precision glass optical element, into
For the problem of a challenge.
As a kind of manufacture method for substituting traditional optical glass lens, the ultraprecise molding of optical glass non-spherical surface device
Forming technique is a confirmed most attractive technique.Precise compression molding technology is a kind of at high temperature to optics
The technique of glass compaction shaping.At high temperature, the viscosity of glass material will reduce, and under pressure, can be easy to produce
Change shape；Then utilize the mould for passing through optical polish under oxygen-free environment to optical glass extrusion forming, required for obtaining
Surface topography or pattern, especially aspherical, free form surface or microlens array etc..
However, existing compression molding forming machine needs the stage by heating and cooling down when in use, lead to when cooling
It is often to circulate to be cooled down between upper die and lower die by cooling water, so can not uniformly cools down lens in cooling, its
Middle chilling temperature is higher than the temperature of the lens of outer layer, therefore can influence the quality of lens.And existing compression molding forming machine
Also need to that chunk glass polish before molding and then suppress again, it is troublesome in poeration, and when polishing chunk glass,
It is caused it is useless cut waste material and dance in the air all over the sky, be not easy to the cleaning in later stage, and diffuse the body for being also unfavorable for people in atmosphere for a long time
Body health.
The content of the invention
The technical problems to be solved by the invention be existing lens in preparation process, cooling is uneven and polishing
During chunk glass, it is caused it is useless cut waste material and dance in the air all over the sky, be not easy to the cleaning in later stage, diffuse also be unfavorable for people in atmosphere for a long time
Health, and it is an object of the present invention to provide a kind of molding device of non-spherical lens and preparation method thereof, solve prepared by lens
Problem.
The present invention is achieved through the following technical solutions：
A kind of molding device of non-spherical lens and preparation method thereof, including chunk glass, top mold frame, upper die and lower die frame,
Lower mould and the sleeve for being connected to upper die and lower die side, are connected with horizontal connecting rod, institute between the top mold frame and upper mould
State and vertical telescopic pressing plate is connected between top mold frame and upper mould, the pressing plate passes perpendicularly through connecting rod, the sleeve bag
Upper bush and lower sleeve are included, the lower section of the lower sleeve is connected with lower mold holder, and the side of the lower sleeve is connected with horizontal cunning
Bar, is connected with cooling chamber between the connecting rod and slide bar, close to the vertical side of upper bush be scalable on the cooling chamber
Expansion plate, the upper bush can drive mould along sliding bar to cooling chamber in, connected between the connecting rod and lower mold holder
There is warming plate, outer cover is connected with the warming plate, be connected with microwave magnetron in the outer cover, microwave magnetic control in the outer cover
Waveguide pipe is connected with pipe, the microwave magnetron is used to heat upper die and lower die, is connected with the upper bush telescopic
Swingle is connected with expansion link A, the expansion link A, sander is connected with the swingle, the sander is used to polish
Chunk glass, is respectively connected with telescopic expansion link B in the upper die and lower die, equal vertical connection on described two expansion link B
There is rubber slab, the chunk glass is connected between two rubber slabs.
A kind of molding device of described non-spherical lens, side of the expansion plate away from cooling chamber are connected with heat-insulation layer.Institute
State upper bush and guide plate is connected with the face of cooling chamber, the guide plate touches with slide bar vertical connection.The expansion plate is remote
From pressure sensor A is connected with the side of cooling chamber, the cooling chamber is connected with pressure on the interior side relative with expansion plate
Sensor B.
A kind of preparation method of described non-spherical lens, comprises the following steps：
(1) between chunk glass being placed on into upper die and lower die, fixed by two rubber slabs, then by being connected on
Chunk glass is moved to suitable position by telescopic expansion link B in mould and lower mould；
(2) adjustable telescopic rod A extends so that expansion link A moves out upper bush, and then chunk glass is entered by sander
Row polishing so that the surface of chunk glass is smooth；
(3) after polishing, adjustable telescopic rod A shortens, and returns in upper bush, telescopic expansion link in upper die and lower die
B shortens so that chunk glass is clamped between upper die and lower die；
(4) regulation microwave magnetron is heated to upper die and lower die so that chunk glass is heated；
(5) after heating, by upper bush along sliding bar so that upper bush drives upper mould to slide into cooling chamber；
(6) chunk glass is cooled by cooling chamber, finally obtains lens.
A kind of preparation method of non-spherical lens, the temperature of the middle cooling of the step (6) is 15~20 DEG C.
Further, the present apparatus when in use, ripple is washed by microwave magnetron using microwave radiation to sleeve, sleeve outer wall
Microwave energy is converted into heat and then glass blank is heated by heating coating, it is impossible to is heated evenly and quick heating, energy
Effectively improve the efficiency of heating and improve the quality of lens, after heating, upper bush enters line slip along slide bar, upper mould with
Pressing plate is separated, and is together slided under the drive of upper bush in cooling chamber, and then lens are cooled down in cooling chamber.And
And the present apparatus is when in use, between chunk glass is placed on into rubber slab first, chunk glass is fixed by rubber slab, so
Afterwards, expansion link A elongations separate out sander band in upper bush (5), then, are rotated by swingle, and expansion link A is carried out
Lower stretch is polished chunk glass simultaneously, and then realizes and chunk glass is polished.
It is existing by circulating coolant on upper die and lower die and then right compared with existing compression molding device
Lens are cooled down, and the efficiency of such cooling is low, and the time of consumption is longer, and the chilling temperature of center section is relatively low,
The quality of lens can be influenceed so that obtained lens it is second-rate, and the present apparatus is cooled down in cooling chamber, can not only be equal
Even cooling lens, and the efficiency cooled down is higher, easily facilitates use, and the quality of obtained lens is more preferable.The present apparatus
With sander, directly chunk glass can be polished so that the quality of the lens finally obtained is more preferable, and directly beats
Mill, it is not necessary to polished on to extra device, use is more convenient, and efficiency is also higher.
Specifically, guide plate enables the upper die and lower die of the present apparatus to be accurately positioned in contact, and then can preferably make
With.When pressure sensor A receives pressure signal, control expansion plate shorten, and then upper bush drive upper die and lower die enter it is cold
But in chamber, lens are cooled down, when pressure sensor B receives pressure signal, expansion plate elongation, upper die and lower die sealed
Close and it is cooled down in cooling chamber.
The present invention compared with prior art, has the following advantages and advantages：
1st, a kind of molding device of non-spherical lens of the present invention and preparation method thereof, the present apparatus when in use can be to glass fiber
Base is polished, it is not necessary to is polished on extra sanding apparatus, uses more convenient, the better quality of obtained lens；
2nd, a kind of molding device of non-spherical lens of the present invention and preparation method thereof, the present apparatus when in use, by glass fiber
Blank strip is moved to be cooled down in special cooling chamber, and the time of cooling is faster, more efficient, can further improve the matter of lens
Amount；
3rd, a kind of molding device of non-spherical lens of the present invention and preparation method thereof, the preparation method of this lens is easy, just
Used in preparing.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing：
1- top mold frames, mould under 2-, the upper moulds of 3-, 4- lower mold holders, 5- upper bushes, 6- lower sleeves, 7- connecting rods, 8- pressing plates, 9-
Expansion plate, 10- cooling chambers, 11- pressure sensors A, 12- pressure sensor B, 13- slide bar, 14- guide plates, 15- warming plates,
16- outer covers, 17- microwave magnetrons, 18- waveguide pipes, 19- expansion links A, 20- swingle, 21- sanders, 22- expansion links B, 23-
Rubber slab.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in figure 1, a kind of molding device of non-spherical lens of the present invention and preparation method thereof, including chunk glass, on
Mould bases 1, upper mould 3, lower mold holder 4, lower mould 2 and it is connected to mould 3 and the sleeve of the lower side of mould 2, the top mold frame 1 and upper mould 3
Between be connected with horizontal connecting rod 7, vertical telescopic pressing plate 8 is connected between the top mold frame 1 and upper mould 3, it is described
Pressing plate 8 passes perpendicularly through connecting rod 7, and the sleeve includes upper bush 5 and lower sleeve 6, lower section and the lower mold holder 4 of the lower sleeve 6
Connection, the side of the lower sleeve 6 is connected with horizontal slide bar 13, cooling chamber is connected between the connecting rod 7 and slide bar 13
10, the vertical side on the cooling chamber 10 close to upper bush 5 is telescopic expansion plate 9, and the upper bush 5 can drive mould
3 are slided into cooling chamber 10 along slide bar 13, and warming plate 15, the warming plate 15 are connected between the connecting rod 7 and lower mold holder 4
On be connected with outer cover 16, be connected with microwave magnetron 17 in the outer cover 16, connected in the outer cover 16 on microwave magnetron 17
There is waveguide pipe 18, the microwave magnetron 17 is used to heat mould 3 and lower mould 2, and telescopic stretch is connected with the upper bush 5
Swingle 20 is connected with contracting bar A19, the expansion link A19, sander 21, the sander are connected with the swingle 20
21 are used for chunk glass of polishing, and telescopic expansion link B22, described two expansion links are respectively connected with the upper mould 3 and lower mould 2
Rubber slab 23 is vertically connected with B22, the chunk glass is connected between two rubber slabs 23.
Embodiment 2
A kind of molding device of described non-spherical lens, including chunk glass, top mold frame 1, upper mould 3, lower mold holder 4, under
Mould 2 and mould 3 and the sleeve of the lower side of mould 2 are connected to, horizontal connecting rod is connected between the top mold frame 1 and upper mould 3
7, vertical telescopic pressing plate 8 is connected between the top mold frame 1 and upper mould 3, the pressing plate 8 passes perpendicularly through connecting rod 7, institute
Stating sleeve includes upper bush 5 and lower sleeve 6, and the lower section of the lower sleeve 6 is connected with lower mold holder 4, and the side of the lower sleeve 6 connects
Horizontal slide bar 13 is connected to, is connected with cooling chamber 10 between the connecting rod 7 and slide bar 13, close to upper set on the cooling chamber 10
The vertical side of cylinder 5 is telescopic expansion plate 9, and the upper bush 5 can drive mould 3 to slide into cooling chamber 10 along slide bar 13
It is interior, warming plate 15 is connected between the connecting rod 7 and lower mold holder 4, outer cover 16, the outer cover are connected with the warming plate 15
It is connected with microwave magnetron 17 in 16, waveguide pipe 18, the microwave magnetic control is connected with microwave magnetron 17 in the outer cover 16
Pipe 17 is used to heat mould 3 and lower mould 2, is connected with telescopic expansion link A19 in the upper bush 5, on the expansion link A19
Swingle 20 is connected with, sander 21 is connected with the swingle 20, the sander 21 is used for chunk glass of polishing, described
Telescopic expansion link B22 is respectively connected with upper mould 3 and lower mould 2, rubber slab is vertically connected with described two expansion link B22
23, the chunk glass is connected between two rubber slabs 23.The side of the expansion plate 9 away from cooling chamber 10 is connected with insulation
Layer.The upper bush 5 is connected with guide plate 14, the guide plate 14 and the vertical connection of slide bar 13 on the face of cooling chamber 10
Touch.Be connected with pressure sensor A11 on the side of the expansion plate 9 away from cooling chamber 10, in the cooling chamber 10 with expansion plate 9
Pressure sensor B12 is connected with relative side.
Embodiment 3
A kind of preparation method of described non-spherical lens, comprises the following steps：
(1) chunk glass is placed between upper mould 3 and lower mould 2, is fixed by two rubber slabs 23, then pass through connection
Chunk glass is moved to suitable position by telescopic expansion link B22 in upper mould 3 and lower mould 2；
(2) adjustable telescopic rod A19 extends so that and expansion link A19 moves out upper bush 5, and then by sander 21 to glass
Glass blank is polished so that the surface of chunk glass is smooth；
(3) after polishing, adjustable telescopic rod A19 shortens, and returns in upper bush 5, telescopic in upper mould 3 and lower mould 2
Expansion link B22 shortens so that chunk glass is clamped between mould 3 and lower mould 2；
(4) regulation microwave magnetron 17 is heated to upper mould 3 and lower mould 2 so that chunk glass is heated；
(5) after heating, upper bush 5 is slided along slide bar 13 so that upper bush 5 drives upper mould 3 to slide into cooling chamber
In 10；
(6) chunk glass is cooled by cooling chamber 10, finally obtains lens.
A kind of preparation method of described non-spherical lens, the temperature of the middle cooling of the step (6) is 15~20 DEG C.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (4)
1. a kind of molding device of non-spherical lens, it is characterised in that including chunk glass, top mold frame (1), upper mould (3), lower mould
Frame (4), lower mould (2) and mould (3) and the sleeve of lower mould (2) side are connected to, between the top mold frame (1) and upper mould (3)
Horizontal connecting rod (7) is connected with, vertical telescopic pressing plate (8) is connected between the top mold frame (1) and upper mould (3),
The pressing plate (8) passes perpendicularly through connecting rod (7), and the sleeve includes upper bush (5) and lower sleeve (6), the lower sleeve (6)
Lower section is connected with lower mold holder (4), and the side of the lower sleeve (6) is connected with horizontal slide bar (13), the connecting rod (7) and cunning
It is connected with cooling chamber (10) between bar (13), close to the vertical side of upper bush (5) is telescopic on the cooling chamber (10)
Expansion plate (9), the upper bush (5) can drive mould (3) to be slided into along slide bar (13) in cooling chamber (10), the connecting rod
(7) warming plate (15) is connected between lower mold holder (4), outer cover (16), the outer cover are connected with the warming plate (15)
(16) microwave magnetron (17) is connected with, waveguide pipe (18), institute are connected with the interior microwave magnetron of the outer cover (16) (17)
State microwave magnetron (17) to be used to heat mould (3) and lower mould (2), telescopic expansion link A is connected with the upper bush (5)
(19) swingle (20), is connected with the expansion link A (19), sander (21) is connected with the swingle (20), it is described
Sander (21) is used for chunk glass of polishing, and telescopic expansion link B (22) is respectively connected with the upper mould (3) and lower mould (2),
Rubber slab (23) is vertically connected with described two expansion link B (22), the chunk glass is connected to two rubber slabs (23)
Between.
2. the molding device of a kind of non-spherical lens according to claim 1, it is characterised in that the expansion plate (9) is remote
Side from cooling chamber (10) is connected with heat-insulation layer.The upper bush (5) is connected with guide plate on the face of cooling chamber (10)
(14), the guide plate (14) is touched with slide bar (13) vertical connection.The expansion plate (9) connects on the side away from cooling chamber (10)
Pressure sensor A (11) is connected to, the cooling chamber (10) is interior with being connected with pressure sensor B on the relative side of expansion plate (9)
(12)。
3. the preparation method of a kind of non-spherical lens according to claims 1 to 2, it is characterised in that comprise the following steps：
(1) chunk glass is placed between upper mould (3) and lower mould (2), it is fixed by two rubber slabs (23), then pass through company
It is connected on telescopic expansion link B (22) in mould (3) and lower mould (2) and chunk glass is moved to suitable position；
(2) adjustable telescopic rod A (19) extends so that expansion link A (19) moves out upper bush (5), and then passes through sander (21)
Chunk glass is polished so that the surface of chunk glass is smooth；
(3) after polishing, adjustable telescopic rod A (19) shortens, and returns in upper bush (5), can be stretched in upper mould (3) and lower mould (2)
The expansion link B (22) of contracting shortens so that chunk glass is clamped between mould (3) and lower mould (2)；
(4) adjust microwave magnetron (17) to heat upper mould (3) and lower mould (2) so that chunk glass is heated；
(5) after heating, upper bush (5) is slided along slide bar (13) so that mould (3) slides into cold in upper bush (5) drive
But in chamber (10)；
(6) chunk glass is cooled by cooling chamber (10), finally obtains lens.
4. the preparation method of a kind of non-spherical lens according to claim 3, it is characterised in that cold in the step (6)
But temperature is 15~20 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812921.1A CN107686228A (en) | 2017-09-11 | 2017-09-11 | A kind of molding device of non-spherical lens and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812921.1A CN107686228A (en) | 2017-09-11 | 2017-09-11 | A kind of molding device of non-spherical lens and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107686228A true CN107686228A (en) | 2018-02-13 |
Family
ID=61156080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710812921.1A Pending CN107686228A (en) | 2017-09-11 | 2017-09-11 | A kind of molding device of non-spherical lens and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107686228A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877239A (en) * | 2019-12-17 | 2020-03-13 | 东莞市凯融光学科技有限公司 | Polishing method of tungsten steel mold core and mold sleeve |
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|---|---|---|---|---|
| JPH01126232A (en) * | 1987-11-12 | 1989-05-18 | Matsushita Electric Ind Co Ltd | Formation of optical element |
| CN101293727A (en) * | 2008-03-28 | 2008-10-29 | 杭州永莹光电有限公司 | Hot press molding technique for special optical glass element |
| CN103073173A (en) * | 2013-01-16 | 2013-05-01 | 张家港市光学仪器有限公司 | Aspherical glass lens manufacturing method |
| CN105036526A (en) * | 2015-09-09 | 2015-11-11 | 四川格纳斯光电科技股份有限公司 | Pressing method |
| CN105417933A (en) * | 2015-12-18 | 2016-03-23 | 湖南大学 | Aspherical glass lens multi-station precision molding equipment |
| CN106517744A (en) * | 2016-12-21 | 2017-03-22 | 湖南大学 | Microwave heating precise compression molding device used for glass lens production |
-
2017
- 2017-09-11 CN CN201710812921.1A patent/CN107686228A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01126232A (en) * | 1987-11-12 | 1989-05-18 | Matsushita Electric Ind Co Ltd | Formation of optical element |
| CN101293727A (en) * | 2008-03-28 | 2008-10-29 | 杭州永莹光电有限公司 | Hot press molding technique for special optical glass element |
| CN103073173A (en) * | 2013-01-16 | 2013-05-01 | 张家港市光学仪器有限公司 | Aspherical glass lens manufacturing method |
| CN105036526A (en) * | 2015-09-09 | 2015-11-11 | 四川格纳斯光电科技股份有限公司 | Pressing method |
| CN105417933A (en) * | 2015-12-18 | 2016-03-23 | 湖南大学 | Aspherical glass lens multi-station precision molding equipment |
| CN106517744A (en) * | 2016-12-21 | 2017-03-22 | 湖南大学 | Microwave heating precise compression molding device used for glass lens production |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877239A (en) * | 2019-12-17 | 2020-03-13 | 东莞市凯融光学科技有限公司 | Polishing method of tungsten steel mold core and mold sleeve |
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Application publication date: 20180213 |