CN104129080A - Extrusion moulding device - Google Patents
Extrusion moulding device Download PDFInfo
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- CN104129080A CN104129080A CN201310155199.0A CN201310155199A CN104129080A CN 104129080 A CN104129080 A CN 104129080A CN 201310155199 A CN201310155199 A CN 201310155199A CN 104129080 A CN104129080 A CN 104129080A
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- wheel
- prism
- lgp
- forming device
- extrusion forming
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Abstract
The invention provides an extrusion moulding device which includes an atomizing wheel, a net point wheel, a filling mechanism, a guiding mechanism and a prism moulding system. The atomizing wheel is disposed adjacently to the net point wheel. The filling mechanism is disposed above the atomizing wheel and the net point wheel. The guiding mechanism is arranged between the net point wheel and the prism moulding system. The prism moulding system includes a coating system, a prism wheel and an ultraviolet light source. The coating system is disposed between the guiding mechanism and the prism wheel. The ultraviolet light source is arranged above the prism wheel. In the extrusion moulding device, an extrusion moulding process is carried out on a molten body through the atomizing wheel and the net point wheel to form a light guide plate. The light guide plate forms an atomized surface and a net-point surface which is opposite to the atomized surface. In addition, a prism structure is formed in a manner that an ultraviolet glue ultraviolet glue coats on the atomized surface is subjected to an imprinting operation through the prism wheel and the ultraviolet light source, thereby effectively ensuring an optical effect of the light guide plate.
Description
Technical field
The present invention relates to a kind of shaped device, particularly a kind of extrusion forming device.
Background technology
LGP is generally applied to the backlight module of liquid crystal display, and it is more and more thinner to comply with trend toward miniaturization.At present, LGP mainly adopts ejection forming technique manufacture, and excessively thin LGP causes cooling too fast, makes the micro-structurals such as site be difficult to, on complete formed light conductive plate, be difficult to the optical effect that reaches predetermined.
Summary of the invention
In view of this, be necessary to provide a kind of extrusion forming device of the optical effect that can ensure LGP.
A kind of extrusion forming device, it comprises an atomizing wheel, a site wheel, an injecting structure, a guide frame and a prism formation system.Adjacent setting is taken turns in described atomizing wheel and described site, and described injecting structure is positioned at the top of described atomizing wheel and described site wheel.Described guide frame is between described site wheel and described prism formation system.Described prism formation system comprises a coating system, prism wheel and a ultraviolet source.Described coating system is between described guide frame and described prism wheel, and described ultraviolet source is positioned at the top of described prism wheel.Described injecting structure is used for accommodating a molten mass and described molten mass is injected between described atomizing wheel and described site wheel, described molten mass is a LGP through described atomizing wheel and the wheel extrusion modling of described site, and described LGP comprises that a cloudy surface by described atomizing wheel moulding and is by described site wheel shaping and the dot surface relative with described cloudy surface.Described guide frame passes described LGP to deliver to successively described coating system and described prism wheel, and described coating system applies one deck ultraviolet glue on the cloudy surface of described LGP.Described prism wheel impresses to form a prism structure to described ultraviolet glue, and described ultraviolet source is for being cured described prism structure.
In extrusion forming device provided by the invention, atomizing wheel and site wheel are LGP by molten mass being carried out to extrusion modling, and described LGP forms a cloudy surface and a dot surface relative with described cloudy surface; In addition, take turns with ultraviolet source the ultraviolet glue being coated on cloudy surface is impressed to formation prism structure by prism; Thereby effectively ensure the optical effect of LGP.
Brief description of the drawings
Fig. 1 is the structural representation of the extrusion forming device that provides of first embodiment of the invention.
Fig. 2 is the cutaway view of the LGP of the extrusion forming device moulding in Fig. 1.
Fig. 3 is the structural representation of the extrusion forming device that provides of second embodiment of the invention.
Main element symbol description
| Extrusion forming device | 100、100a |
| LGP | 200 |
| Cloudy surface | 201 |
| Dot surface | 202 |
| Prism structure | 203 |
| Atomizing wheel | 10 |
| The first acting surface | 11 |
| Atomization structure | 111 |
| Site wheel | 20 |
| The second acting surface | 21 |
| Lattice point structure | 211 |
| Injecting structure | 30 |
| Inlet | 31 |
| Guide frame | 40 |
| Guide roller | 41 |
| Prism formation system | 50 |
| Coating system | 51 |
| Container | 511 |
| Coating roller | 512 |
| Prism wheel | 52 |
| The 3rd acting surface | 521 |
| V-shaped groove structure | 522 |
| Ultraviolet source | 53 |
| Diaphragm applying system | 60 |
| Upper sticking part | 61 |
| Lower sticking part | 62 |
| Shear | 70 |
| Cooling wheel | 80 |
Following detailed description of the invention further illustrates the present invention in connection with above-mentioned accompanying drawing.
Detailed description of the invention
As shown in Figure 1-2, a kind of extrusion forming device 100 that first embodiment of the invention provides, it is for extrusion modling one LGP 200.Described extrusion forming device 100 comprises an atomizing wheel 10, a site wheel 20, an injecting structure 30, a guide frame 40, a prism formation system 50, a diaphragm applying system 60 and a shear 70.
Described atomizing wheel 10 comprises one first acting surface 11, on described the first acting surface 11, adopts accurate sandblast to form an atomization structure 111.Described atomizing wheel 10 and a drive source (not shown) are coupled, and described drive source drives described atomizing wheel 10 evenly to rotate along clockwise direction.It is large that the density of the atomization on described atomizing wheel 10 along the circumferential direction becomes gradually.
Described site wheel 20 and the adjacent setting of described atomizing wheel 10, by adjusting distance between described site wheel 20 and described atomizing wheel 10 to adjust the thickness of described LGP 200.The thickness of the described LGP 200 of moulding equates the distance between described site wheel 20 and described atomizing wheel 10.Described site wheel 20 comprises one second acting surface 21, on described the second acting surface 21, adopts fast axle system of processing to be processed to form a lattice point structure 211.Described site wheel 20 and a drive source (not shown) are coupled, and described drive source drives described site wheel 20 evenly to rotate in the counterclockwise direction.The rotating speed of described site wheel 20 is identical with the rotating speed of described atomizing wheel 10.
Described injecting structure 30 is positioned at the top of described atomizing wheel 10 and described site wheel 20, and is positioned on the symmetry axis of described atomizing wheel 10 and described site wheel 20.Described injecting structure 30 has an inlet 31.
Described guide frame 40 is arranged on described site wheel 20 opposite sides compared to described atomizing wheel 10 places.Described guide frame 40 comprises at least two guide rollers 41.Wherein a guide roller 41 is positioned at another guide roller 41 tops and arranges separately.Wherein rotate in the counterclockwise direction near the guide roller 41 of top, rotate along clockwise direction near the guide roller 41 of below.
Described prism formation system 50 is arranged on the opposite side of described guide frame 40 compared to wheel place, described site.Described prism formation system 50 comprises a coating system 51, a prism wheel 52 and a ultraviolet source 53.Described coating system 51 is between described guide frame 40 and described prism wheel 52, and described ultraviolet source 53 is positioned at the top of described prism wheel 52 and arranges separately.
Described coating system 51 comprises a container 511 and multiple coating roller 512.In described container 511, contain a ultraviolet glue 513.One of them coating roller 512 part is arranged in described container 511 and contacts with described ultraviolet glue 513, between described multiple coating rollers 512, cooperatively interacts.Described ultraviolet glue 513 is sent to another coating roller 512 from a coating roller 512.
Described prism wheel 52 comprises one the 3rd acting surface 521, on described the 3rd acting surface 521, adopts ultraprecise cutter to form a V-shaped groove structure 522.Described prism wheel 52 and a drive source (not shown) are coupled, and described drive source drives described prism wheel 52 evenly to rotate along clockwise direction.
Described ultraviolet source 53 takes turns 52 toward described prism, and for projecting ultraviolet light to described prism wheel 52.Described ultraviolet glue 513 is at the irradiation curable of described ultraviolet light.
Described diaphragm applying system 60 is positioned at described prism wheel 52 compared to described coating system 51 place opposite sides, and it for attaching a diaphragm 63 on described LGP 200.Described diaphragm applying system 60 comprises the lower sticking part 62 that on, described in sticking part 61 and, upper sticking part 61 is oppositely arranged.Described upper sticking part 61 arranges separately with described lower sticking part 62.Described upper sticking part 61 and described lower sticking part 62 can be for the identical or dissimilar diaphragms 63 of fitting.
Described shear 70 is positioned at described diaphragm applying system 60 takes turns the opposite side at 52 places compared to described prism.Described shear 70 is for being trimmed to suitable size by the LGP 200 of described extrusion forming device 100 extrusion modlings.
In the forming process of described LGP 200, the molten mass 32 being carried in described injecting structure 30 is injected between described atomizing wheel 10 and described site wheel 20 from described inlet 31.It is described LGP 200 that 20 extrusion modlings are taken turns in the described molten mass 32 described atomizing wheels 10 of process and described site.Because described LGP 200 and the adhesion of described site wheel 20 are greater than and the adhesion of described atomizing wheel 10, thereby the LGP 200 of moulding is attached on described site wheel 20.Described LGP 200 comprises the cloudy surface 201 of atomization structure 111 moulding by described atomizing wheel 10 and the dot surface 202 of lattice point structure 211 moulding by described site wheel 20, and described cloudy surface 201 is oppositely arranged with described lattice point structure 211.Under effect between two guide rollers 41 of described LGP 200 in described guide frame 40, be transferred into described coating system 51, a described wherein coating roller 512 contacts with the cloudy surface 201 of described LGP 200.Described coating roller 512 applies one deck ultraviolet glue 513 on the cloudy surface 201 of described LGP 200.Described LGP 200 is from process between described prism wheel 52 and described ultraviolet source 53, described LGP 200 contacts with described prism wheel 52,52 pairs of described ultraviolet glue 513 of described prism wheel impress to form a prism structure 203, and described ultraviolet source 53 is cured described prism structure 203.Described LGP 200 is sent to described diaphragm applying system 60 after described prism formation system 50, and described LGP 200 passes through between sticking part 61 and described lower sticking part 62 from described.Described upper sticking part 61 and described lower sticking part 62 attach diaphragm 63 on the dot surface 202 of described LGP 200 and prism structure 203.Described LGP 200 is trimmed to suitable size by described shear 70.
Be illustrated in figure 3 a kind of extrusion forming device 100a that second embodiment of the invention provides.The difference of the extrusion forming device 100 that the extrusion forming device 100a that the second embodiment provides and the first embodiment provide is: described extrusion forming device 100a also comprises a cooling wheel 80, and described cooling wheel 80 is arranged between described site wheel 20 and described guide frame 40.Described cooling wheel 80 is for carrying out cooling to described LGP 200.
In extrusion forming device provided by the invention, atomizing wheel and site wheel are LGP by molten mass being carried out to extrusion modling, and described LGP forms a cloudy surface and a dot surface relative with described cloudy surface; In addition, take turns with ultraviolet source the ultraviolet glue being coated on cloudy surface is impressed to formation prism structure by prism; Thereby effectively ensure the optical effect of LGP.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to the claims in the present invention with distortion.
Claims (9)
1. an extrusion forming device, it comprises an atomizing wheel, a site wheel, an injecting structure, a guide frame and a prism formation system; Adjacent setting is taken turns in described atomizing wheel and described site, and described injecting structure is positioned at the top of described atomizing wheel and described site wheel; Described guide frame is between described site wheel and described prism formation system; Described prism formation system comprises a coating system, prism wheel and a ultraviolet source; Described coating system is between described guide frame and described prism wheel, and described ultraviolet source is positioned at the top of described prism wheel; Described injecting structure is used for accommodating a molten mass and described molten mass is injected between described atomizing wheel and described site wheel, described molten mass is a LGP through described atomizing wheel and the wheel extrusion modling of described site, and described LGP comprises that a cloudy surface by described atomizing wheel moulding and is by described site wheel shaping and the dot surface relative with described cloudy surface; Described guide frame passes described LGP to deliver to successively described coating system and described prism wheel, and described coating system applies one deck ultraviolet glue on the cloudy surface of described LGP; Described prism wheel impresses to form a prism structure to described ultraviolet glue, and described ultraviolet source is for being cured described prism structure.
2. extrusion forming device as claimed in claim 1, is characterized in that: the spacing between described atomizing wheel and described site wheel equates with the thickness of described LGP.
3. extrusion forming device as claimed in claim 2, is characterized in that: described atomizing wheel evenly rotates along clockwise direction, and described site wheel evenly rotates in the counterclockwise direction, and the rotating speed of described atomizing wheel equates with the rotating speed of described site wheel.
4. extrusion forming device as claimed in claim 1, is characterized in that: described guide frame comprises at least two guide rollers, and wherein a guide roller is positioned at another guide roller top and arranges separately; Wherein rotate in the counterclockwise direction near the guide roller of top, rotate along clockwise direction near the guide roller of below, described LGP passes through between two rollers.
5. extrusion forming device as claimed in claim 1, is characterized in that: described coating system comprises a container and multiple coating roller; Described ultraviolet gummed is housed in described container, and one of them coating roller part is arranged in described container and contacts with described ultraviolet glue, and another coating roller contacts with the cloudy surface of described LGP.
6. extrusion forming device as claimed in claim 1, is characterized in that: described extrusion forming device also comprises a cooling wheel, and described cooling wheel is arranged between described site wheel and described guide frame, and described cooling wheel is for carrying out cooling to described LGP.
7. extrusion forming device as claimed in claim 1; it is characterized in that: described extrusion forming device comprises a diaphragm applying system; described diaphragm applying system is positioned at described prism takes turns compared to described coating system place opposite side, and described diaphragm applying system for attaching a diaphragm on described LGP.
8. extrusion forming device as claimed in claim 7; it is characterized in that: described diaphragm applying system comprises the lower sticking part that on, described in sticking part and, upper sticking part is oppositely arranged; described upper sticking part and described lower sticking part arrange separately, and described upper sticking part and described lower sticking part are for fitting identical or dissimilar diaphragm.
9. extrusion forming device as claimed in claim 7, it is characterized in that: described extrusion forming device comprises a shear, described shear is positioned at the opposite side of described cuticula applying system compared to described prism wheel place, and described shear is for being trimmed to suitable size by described LGP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155199.0A CN104129080A (en) | 2013-04-30 | 2013-04-30 | Extrusion moulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310155199.0A CN104129080A (en) | 2013-04-30 | 2013-04-30 | Extrusion moulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104129080A true CN104129080A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310155199.0A Pending CN104129080A (en) | 2013-04-30 | 2013-04-30 | Extrusion moulding device |
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| CN (1) | CN104129080A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950379A (en) * | 2015-07-07 | 2015-09-30 | 广东悦尚数码科技有限公司 | Method and device for machining curved light guide plate and microstructure on surface of curved light guide plate |
| CN106547046A (en) * | 2017-01-12 | 2017-03-29 | 东莞市巨信康光电有限公司 | A kind of guide-lighting board production technology and its light guide plate of production equipment and its production |
| CN107015305A (en) * | 2017-04-28 | 2017-08-04 | 苏州艾立昇科技有限公司 | Plate lighting ultra-thin light guide board |
| CN108469646A (en) * | 2018-01-22 | 2018-08-31 | 南京贝迪电子有限公司 | Quantum dot light guiding film and preparation method thereof |
| CN108490529A (en) * | 2018-01-22 | 2018-09-04 | 南京贝迪电子有限公司 | A kind of quantum dot light guiding film and preparation method thereof |
| CN109927264A (en) * | 2019-04-17 | 2019-06-25 | 王莉 | A kind of light guide plate hot-rolling pressing production line and hot rolling process |
-
2013
- 2013-04-30 CN CN201310155199.0A patent/CN104129080A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950379A (en) * | 2015-07-07 | 2015-09-30 | 广东悦尚数码科技有限公司 | Method and device for machining curved light guide plate and microstructure on surface of curved light guide plate |
| CN104950379B (en) * | 2015-07-07 | 2018-01-05 | 广东悦尚数码科技有限公司 | A kind of processing method and device of curved surface light conductor and its surface micro-structure |
| CN106547046A (en) * | 2017-01-12 | 2017-03-29 | 东莞市巨信康光电有限公司 | A kind of guide-lighting board production technology and its light guide plate of production equipment and its production |
| CN107015305A (en) * | 2017-04-28 | 2017-08-04 | 苏州艾立昇科技有限公司 | Plate lighting ultra-thin light guide board |
| CN108469646A (en) * | 2018-01-22 | 2018-08-31 | 南京贝迪电子有限公司 | Quantum dot light guiding film and preparation method thereof |
| CN108490529A (en) * | 2018-01-22 | 2018-09-04 | 南京贝迪电子有限公司 | A kind of quantum dot light guiding film and preparation method thereof |
| CN109927264A (en) * | 2019-04-17 | 2019-06-25 | 王莉 | A kind of light guide plate hot-rolling pressing production line and hot rolling process |
| CN109927264B (en) * | 2019-04-17 | 2024-03-15 | 王莉 | Hot rolling production line and hot rolling process for light guide plate |
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Application publication date: 20141105 |