CN201436174U - Fresnel lens forming device - Google Patents
Fresnel lens forming device Download PDFInfo
- Publication number
- CN201436174U CN201436174U CN2009200284900U CN200920028490U CN201436174U CN 201436174 U CN201436174 U CN 201436174U CN 2009200284900 U CN2009200284900 U CN 2009200284900U CN 200920028490 U CN200920028490 U CN 200920028490U CN 201436174 U CN201436174 U CN 201436174U
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- CN
- China
- Prior art keywords
- dynamic model
- fresnel lenses
- mould
- shaped device
- fresnel lens
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a Fresnel lens molding device, and relates to a lens molding device. The utility model resolves the problem that the Fresnel lens in prior art generates bubble in pressing and injection molding process to make the Fresnel lens unable to completely joint the mold. The Fresnel lens molding device comprises a stationary mould, a movable mould and a movable mould core; wherein the stationary mold, the movable mould and the movable mould core composes a mould cavity; a seal strip and a seal groove are surrounded the mould cavity, the position of the sealing strip is relative to that of the seal groove; the movable mould core is fixedly installed on the movable mould by a socket head cap screw, and a guide post and a guide sleeve are fitly connected; and an evacuating device is arranged on the movable mould. The device of the utility model enhances molding quality of the products, enhances conversion efficiency of the Fresnel lens for converting the solar into electric energy, and reduces generating cost.
Description
Technical field
The utility model relates to a kind of shaped device of lens shaped device, particularly Fresnel Lenses.
Background technology:
The TRT of Photospot solar, utilize Fresnel Lenses with parallel sunshine optically focused in the focal position, form the minor diameter hot spot, at facula position the GaAs chip is installed, and cooperate other member, convert solar energy to electric energy, the conversion of solar energy rate of this TRT reaches 33%～41%, and its development prospect is unlimited.
The Fresnel Lenses light gathering efficiency is directly proportional with the solar energy converting electrical energy, the light intensity of optically focused is higher on GaAs chip of the same area, the efficient that converts electric energy to is higher, so Fresnel Lenses is that conversion of solar energy becomes one of critical elements in the TRT of electric energy.
At present, Fresnel Lenses generally adopts equality of temperature with pressing the production of pressing or supercharging extruding injection moulding.In process of production, because air produces bubble in compacting or injection moulding process, cause can not the fit phenomenon of mould of Fresnel Lenses part.This kind phenomenon not only caused the increase of Fresnel Lenses scattered light in the optically focused process, reduced the efficient that solar energy converts electric energy to, also increased cost of electricity-generating.
The utility model content
In compacting or injection moulding process, produce bubble for solving above-mentioned Fresnel Lenses, the present invention is intended to propose a kind of shaped device of Fresnel Lenses, can overcome because bubble causes can not fit the fully problem of mould of Fresnel Lenses, and improved product quality, and then make the Fresnel Lenses of producing improve the efficient of conversion of solar energy electric energy, reduced cost of electricity-generating.
The technical scheme in the invention for solving the above technical problem is: a kind of shaped device of Fresnel Lenses comprises cover half, dynamic model and moving-mould-core; Cover half, dynamic model and moving-mould-core surround a die cavity; Moving-mould-core is fixedly mounted on the dynamic model by soket head cap screw, and guide pillars and bushes is connected; Dynamic model is provided with vacuum extractor.
The shaped device of Fresnel Lenses described in the utility model also comprises sprue puller, push rod, feeding mouth, die pad, liftout base plate, water nozzle, reinforcing prop and rest pad, and sprue puller is installed on the cover half with centring ring, soket head cap screw; The cover half top is provided with feeding mouth, and the feeding mouth lower end communicates with die cavity; Several water nozzles distribute and are installed on the dynamic model; Dynamic model is supported by rest pad, and soket head cap screw is fixed dynamic model and rest pad; The dynamic model below also is provided with reinforcing prop and push rod, and reinforcing prop is fixed on the liftout base plate through die pad, and push rod is fixed on the die pad through dynamic model; Die pad and liftout base plate are installed in the bottom of mould successively; Cover half is provided with vacuum extractor.
Described vacuum extractor comprises: valve, Non-return air valve are gentle stifled; Non-return air valve is fixed on cover half or the dynamic model, and gas is stifled to be installed in the Non-return air valve top, and Non-return air valve is connected with valve.
The shaped device of described Fresnel Lenses is provided with sealing strip and seal groove around die cavity, sealing strip is corresponding with seal groove.
The optically focused intensity that the utility model has not only improved Fresnel Lenses becomes the efficient of electric energy with conversion of solar energy, also reduced cost of electricity-generating.
Description of drawings:
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the compacting tool set structural representation;
Fig. 4 is the A-A cutaway view of Fig. 3.
Among the figure: 1. valve; 2. sealing strip; 3. seal groove; 4. gas is stifled; 5. soket head cap screw; 6. cover half; 7. dynamic model; 8. moving-mould-core; 9. die cavity; 10. guide pillar; 11. guide pin bushing; 12. push rod; 13. individual event air valve; 14. reinforcing prop; 15. centring ring; 16. feeding mouth; 17. sprue puller; 18. die pad; 19. liftout base plate; 20. water nozzle; 21. rest pad.
The specific embodiment:
Below in conjunction with Fig. 1-4 and embodiment the utility model is further specified.
Embodiment one: as Fig. 1, Fig. 2 as showing that the shaped device of Fresnel Lenses comprises cover half 6, dynamic model 7 and moving-mould-core 8; Cover half 6, dynamic model 7 and moving-mould-core 8 surround a die cavity 9; Be provided with sealing strip 2 and seal groove 3 around die cavity 9, sealing strip 2 is corresponding with the position of seal groove 3; Moving-mould-core 8 is fixedly mounted on the dynamic model 7 by soket head cap screw 5, and guide pillar 10 and guide pin bushing 11 are connected; Dynamic model 7 is provided with vacuum extractor.
Described vacuum extractor comprises: valve 1, Non-return air valve 13 gentle stifled 4; Non-return air valve 13 is fixed on the cover half 6, and gas stifled 4 is installed in Non-return air valve 13 tops, and Non-return air valve 13 is connected with valve 1.
In the present embodiment, dynamic model 7 presses down, and makes the PMMA sheet material (acrylic board) in the moving-mould-core 8 extruding die cavities 9; When dynamic model 7 touches sealing strip 2, begin to vacuumize; Dynamic model 7 continues pressed sheets, sealing strip 2 is gluing live after, pressure stops; Opening mold; Generation technology is finished.
Embodiment two: as Fig. 3, Fig. 4 as showing, the shaped device of Fresnel Lenses, also comprise sprue puller 17, push rod 12, feeding mouth 16, die pad 18, liftout base plate 19, water nozzle 20, reinforcing prop 14 and rest pad 21, sprue puller 17 usefulness centring rings 15, soket head cap screw 5 are installed on the cover half 6; Cover half 6 tops are provided with feeding mouth 16, and feeding mouth 16 lower ends communicate with die cavity 9; Several water nozzles 20 distribute and are installed on the dynamic model 7; Dynamic model 7 is by rest pad 21 supportings, and soket head cap screw 5 is fixing with rest pad 21 with dynamic model 7; Dynamic model 7 belows also are provided with reinforcing prop 14 and push rod 12, and reinforcing prop 14 is fixed on the liftout base plate 19 through die pad 18, and push rod 12 is fixed on the die pad 18 through dynamic model 7; 19 plates are installed in the bottom of mould successively at the bottom of die pad 18 and the liftout; On cover half 6, be provided with vacuum extractor.
In the present embodiment, pulling sprue puller 17 under molten condition, is injected in the die cavity 9 matched moulds with PMMA sheet material (acrylic board) by feeding mouth 16; Sheet material in the dynamic model 7 extruding die cavities 9; When touching sealing strip 2, dynamic model 7 begins to vacuumize; Dynamic model 7 continues extruding, sealing strip 2 is gluing live after, pressure stops; Water nozzle 20 is driven by dynamic model 7, and die cavity 9 is cooled off; Vacuumize after the cooling and stop, opening mold, by die pad 19 and liftout base plate 20 with Fresnel Lenses blank liftout attachment; Generation technology is finished.
Vacuum extractor in the present embodiment can be the device that air pump etc. is used for extracting air.
Above embodiment is only for the usefulness that the utility model is described; but not to restriction of the present utility model; those skilled in the art; under the situation that does not break away from spirit of the present utility model and scope; the technical scheme of making various equivalents or variation belongs to protection category of the present utility model, is limited by every claim.
Claims (8)
1. the shaped device of a Fresnel Lenses comprises cover half, dynamic model and moving-mould-core; Cover half, dynamic model and moving-mould-core surround a die cavity, it is characterized in that cover half or dynamic model are provided with vacuum extractor.
2. the shaped device of Fresnel Lenses according to claim 1 is characterized in that moving-mould-core is fixedly mounted on the dynamic model by soket head cap screw.
3. the shaped device of Fresnel Lenses according to claim 1 is characterized in that also being provided with sprue puller, feeding mouth on cover half, and sprue puller is fixed with centring ring, soket head cap screw, and the feeding mouth lower end communicates with die cavity.
4. the shaped device of Fresnel Lenses according to claim 1 is characterized in that distribution is installed with several water nozzles on the dynamic model, and dynamic model is supported by rest pad, and soket head cap screw is fixed dynamic model and rest pad.
5. the shaped device of Fresnel Lenses according to claim 1 is characterized in that the dynamic model below also is provided with reinforcing prop and push rod, and reinforcing prop is fixed on the liftout base plate through die pad.
6. the shaped device of Fresnel Lenses according to claim 5 is characterized in that push rod is fixed on the die pad through dynamic model, and die pad and liftout base plate are installed in the bottom of mould successively.
7. according to the shaped device of the described Fresnel Lenses of the arbitrary claim of claim 1 to 6, it is characterized in that being provided with sealing strip and seal groove around die cavity, the position of sealing strip and seal groove is corresponding.
8. according to the shaped device of the described Fresnel Lenses of the arbitrary claim of claim 1 to 6, it is characterized in that vacuum extractor comprises: valve, Non-return air valve are gentle stifled; Non-return air valve is fixed on cover half or the dynamic model, and gas is stifled to be installed in the Non-return air valve top, and Non-return air valve is connected with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200284900U CN201436174U (en) | 2009-07-02 | 2009-07-02 | Fresnel lens forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200284900U CN201436174U (en) | 2009-07-02 | 2009-07-02 | Fresnel lens forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436174U true CN201436174U (en) | 2010-04-07 |
Family
ID=42372631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200284900U Expired - Lifetime CN201436174U (en) | 2009-07-02 | 2009-07-02 | Fresnel lens forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201436174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294781A (en) * | 2010-06-22 | 2011-12-28 | 禾晶能源科技股份有限公司 | Multi-cavity injection molding method for solar lenses |
| CN105014850A (en) * | 2015-07-09 | 2015-11-04 | 温州明发光学科技有限公司 | Fresnel lens manufacturing process and manufacturing mould |
| CN111283952A (en) * | 2020-02-26 | 2020-06-16 | 大连交通大学 | VR glasses forming device |
-
2009
- 2009-07-02 CN CN2009200284900U patent/CN201436174U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294781A (en) * | 2010-06-22 | 2011-12-28 | 禾晶能源科技股份有限公司 | Multi-cavity injection molding method for solar lenses |
| CN105014850A (en) * | 2015-07-09 | 2015-11-04 | 温州明发光学科技有限公司 | Fresnel lens manufacturing process and manufacturing mould |
| CN111283952A (en) * | 2020-02-26 | 2020-06-16 | 大连交通大学 | VR glasses forming device |
| CN111283952B (en) * | 2020-02-26 | 2022-03-29 | 大连交通大学 | VR glasses forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100407 |