CN108819158A - A kind of anti-dazzle light diffusing sheet integrated molding production technology - Google Patents
A kind of anti-dazzle light diffusing sheet integrated molding production technology Download PDFInfo
- Publication number
- CN108819158A CN108819158A CN201810476049.2A CN201810476049A CN108819158A CN 108819158 A CN108819158 A CN 108819158A CN 201810476049 A CN201810476049 A CN 201810476049A CN 108819158 A CN108819158 A CN 108819158A
- Authority
- CN
- China
- Prior art keywords
- dazzle
- light diffusing
- raw material
- sheet
- diffusing sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000000465 moulding Methods 0.000 title description 3
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000003892 spreading Methods 0.000 claims abstract description 9
- 238000002203 pretreatment Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000004781 supercooling Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of anti-dazzle light diffusing sheets to be integrally formed production technology, successively includes that pre-treatment of raw material, melting extrusion, sheet forming and traction are cut.Pre-treatment of raw material is that raw material are carried out initial gross separation and pre-crystallized.Melting extrusion is raw material to be carried out to heating melting extrusion, and squeezed by spreading die and anti-dazzle gloss mold；Sheet forming is cooled and shaped through supercooling mold, and anti-dazzle light diffusing sheet sheet material is obtained；It is that sheet material is kept sheet material smooth, cut according to required size through drawing machine travel that traction, which is cut,.The invention discloses a kind of anti-dazzle light diffusing sheets to be integrally formed production technology, the raw material after melting are squeezed by spreading die and anti-dazzle gloss mold, so that anti-dazzle light diffusing sheet is integrally formed, replace diffuser plate and anti-dazzle tabula rasa, so that lighting device does not need additionally to configure diffuser plate, not only the cost of lighting device can have been reduced, but also has alleviated the weight of lighting device.
Description
Technical field
The present invention relates to anti-dazzle tabula rasa production technical field, especially a kind of anti-dazzle light diffusing sheet is integrally formed production work
Skill.
Background technique
Can be reduced in traditional sense dazzle lighting device include panel light source, reflector, light guide plate, diffuser plate and
Anti-dazzle tabula rasa, anti-dazzle tabula rasa includes anti-dazzle micro-structure and transparent substrate composition in such lighting device.Diffuser plate and anti-dazzle
The setting of tabula rasa may make the production cost of such setting lighting device higher, and weight is also larger.
Summary of the invention
The object of the present invention is to provide a kind of anti-dazzle light diffusing sheets to be integrally formed production technology, so that diffuser plate and anti-dazzle
Plate is integrally formed, and does not need additionally to assemble diffuser plate.
In order to solve the above technical problems, the object of the present invention is achieved like this：
A kind of anti-dazzle light diffusing sheet according to the present invention is integrally formed production technology, in turn includes the following steps：
(1) pre-treatment of raw material：Raw material are placed in light material machine, initial gross separation goes out dust and bulky grain pellet；Then
It is sent into pre-crystallizer, carry out sufficiently dry to raw material and is crystallized, so that the water content after raw material drying is below 0.01%；
(2) melting extrusion：Sufficiently dry raw material are sent into extruder, the temperature that area is added is set as 256-280 DEG C,
It is squeezed by spreading die and anti-dazzle gloss mold, forms the frosted structure that side has had diffusion, the other side has
Reduce the anti-dazzle light diffusing sheet of the anti-dazzle micro-structure of dazzle value；
(3) sheet forming：Step (2) is formed by anti-dazzle light diffusing sheet to be cooled and shaped by cooling mold, is prevented
Sheet is spread in dazzle；
(4) traction is cut：Step (3) obtained sheet material is drawn into machine travel, adjusts drawing tension, keeps sheet material flat
It is whole, it is cut according to required size.
As a further illustration of the above scheme, the drying temperature is 155-160 DEG C in step (1), drying time
It is 2-3 hours.
As a further illustration of the above scheme, the extrusion die temperature in the extruder is 260 DEG C in step (2).
As a further illustration of the above scheme, the revolving speed of the dragger is 15.698m/min in step (4).
The beneficial effects of the invention are as follows：The invention discloses a kind of anti-dazzle light diffusing sheets to be integrally formed production technology, passes through
Spreading die and anti-dazzle gloss mold squeeze the raw material after melting, so that anti-dazzle light diffusing sheet is integrally formed, replacement is expanded
It falls apart and anti-dazzle tabula rasa, so that lighting device does not need additionally to configure diffuser plate, can not only reduce the cost of lighting device, but also subtract
The light weight of lighting device.
Detailed description of the invention
Fig. 1 is process flow diagram of the invention；
Fig. 2 is the anti-dazzle light diffusing sheet as obtained by the present invention.
Label is described as follows in figure：1- diffuser plate ontology；2- anti-dazzle microstructured layers；3- frosted structure sheaf；4- spreads mould
Tool；The anti-dazzle gloss mold of 5-；6- cools down mold.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment
It elaborates in conjunction with Fig. 1 and Fig. 2 to the present embodiment.A kind of anti-dazzle light diffusing sheet one involved in the present embodiment
Molding production process successively cuts four steps including pre-treatment of raw material, melting extrusion, sheet forming, traction.
In pre-treatment of raw material step, generation raw material are placed in light material machine, tentatively by raw material dust and
Bulky grain pellet is separated, and the influence of dust and bulky grain pellet to subsequent process steps is avoided, and bulky grain pellet is being tied in advance
Temperature and time required for brilliant and heating melting and other particulate feed materials are inconsistent.By treated, raw material are sent into advance
Crystallizer is carried out sufficiently dry and is crystallized, so that the water content after raw material drying is below 0.01% to raw material.In this step
In, drying temperature be 155-160 DEG C, drying time be 2-3 hour, may make raw material water content control within the scope of.
Will by it is dry and it is pre-crystallized treated that raw material are sent into extruder, the temperature that area is added is set as 256-280
DEG C, extrusion die temperature is 260 DEG C.When the raw material by heating are squeezed out from extrusion die, by spreading die 4 and prevent
Dazzle mold 5 is squeezed, and the frosted structure sheaf 3 that side has had diffusion is formed, and the other side has reduction dazzle value
The anti-dazzle light diffusing sheet of anti-dazzle microstructured layers 2.
By spreading die 4 and anti-dazzle gloss mold 5 into extruding anti-dazzle light diffusing sheet also in soft state.Need through
Supercooling mold 6 is cooled and shaped, and obtains anti-dazzle light diffusing sheet sheet material.3 side of frosted structure sheaf of anti-dazzle light diffusing sheet and cooling
Mold 6 is in contact.Since 2 side of anti-dazzle microstructured layers has pyramidal structure, if being in contact with cooling mold 6, may make anti-
Dazzle micro-structure is destroyed.Spreading die 4 is that some microprotrusions are arranged in a round roller, can be formed on anti-dazzle light diffusing sheet
Frosted structure sheaf 3, frosted structure sheaf 3 are several small pyramid compositions.Anti-dazzle microstructured layers 2 are to be provided with battle array in a round roller
The pyramidal structure for arranging arrangement, can form tapered anti-dazzle microstructured layers 2 on the surface of anti-dazzle light diffusing sheet.Two round rollers
Between spacing formed diffuser plate ontology 1 thickness, be selected as 1.5mm in the present embodiment.
Machine travel will be drawn through cooling sheet material obtained by above-mentioned steps, adjusts drawing tension, keep sheet material smooth, according to
Required size is cut.The revolving speed of dragger is 15.698m/min.
By the obtained integrally formed anti-dazzle micro-structure of the present embodiment, have by the side that anti-dazzle gloss mold 5 is handled
There are anti-dazzle microstructured layers 2, the effect of anti-dazzle microstructured layers 2 is to reduce dazzle value, in the present embodiment the micro- knot of institute's anti-dazzle
Structure is positive rectangular pyramid.Through 4 side of spreading die, frosted structure sheaf 3 is obtained, the effect of frosted structure sheaf 3 is to play diffusing light
Effect.Frosted structure sheaf 3 is small pyramidal structure or roundlet wimble structure irregular and that height is not all the same in the present embodiment.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (4)
1. a kind of anti-dazzle light diffusing sheet is integrally formed production technology, which is characterized in that in turn include the following steps：
(1) pre-treatment of raw material：Raw material are placed in light material machine, initial gross separation goes out dust and bulky grain pellet；It is then fed into
Pre-crystallizer is carried out sufficiently dry and is crystallized, so that the water content after raw material drying is below 0.01% to raw material；
(2) melting extrusion：Sufficiently dry raw material are sent into extruder, the temperature that area is added is set as 256-280 DEG C, passes through
Spreading die and anti-dazzle gloss mold are squeezed, and the frosted structure sheaf that side has had diffusion is formed, and the other side has drop
The anti-dazzle light diffusing sheet of the anti-dazzle microstructured layers of low dazzle value；
(3) sheet forming：Step (2) is formed by anti-dazzle light diffusing sheet to be cooled and shaped by cooling mold, obtains anti-dazzle
Spread sheet；
(4) traction is cut：Step (3) obtained sheet material is drawn into machine travel, drawing tension is adjusted, keeps sheet material smooth, root
It is cut according to required size.
2. anti-dazzle light diffusing sheet as described in claim 1 is integrally formed production technology, which is characterized in that described in step (1)
Drying temperature be 155-160 DEG C, drying time be 2-3 hours.
3. anti-dazzle light diffusing sheet as described in claim 1 is integrally formed production technology, which is characterized in that described in step (2)
Extrusion die temperature in extruder is 260 DEG C.
4. anti-dazzle light diffusing sheet as described in claim 1 is integrally formed production technology, which is characterized in that described in step (4)
Dragger revolving speed be 15.698m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476049.2A CN108819158A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-dazzle light diffusing sheet integrated molding production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476049.2A CN108819158A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-dazzle light diffusing sheet integrated molding production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108819158A true CN108819158A (en) | 2018-11-16 |
Family
ID=64148217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810476049.2A Pending CN108819158A (en) | 2018-05-17 | 2018-05-17 | A kind of anti-dazzle light diffusing sheet integrated molding production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108819158A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355968A (en) * | 2019-07-11 | 2019-10-22 | 上海康培企塑料有限公司 | A kind of anti-glare lampshade and its extrusion molding machining production line |
| CN110684331A (en) * | 2019-10-08 | 2020-01-14 | 江西盛汇光学科技协同创新有限公司 | Anti-dazzle diffusion plate and preparation process thereof |
| CN113866855A (en) * | 2021-10-23 | 2021-12-31 | 广东瑞捷光电股份有限公司 | Structural diffusion plate and preparation method thereof |
| CN115307107A (en) * | 2022-08-15 | 2022-11-08 | 昆山市诚泰电气股份有限公司 | Optical grade plastic microcrystal plate with microstructure adjusting glare index value and production process thereof |
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| US20020122257A1 (en) * | 2000-12-20 | 2002-09-05 | Dai Nippon Printing Co., Ltd. | Antiglare film, process for producting the same, and display device using antiglare film |
| CN101369030A (en) * | 2008-08-30 | 2009-02-18 | 富维薄膜（山东）有限公司 | Optical polyester film and method for making the same |
| JP2013068746A (en) * | 2011-09-21 | 2013-04-18 | Sumitomo Chemical Co Ltd | Light diffusion plate manufacturing method |
| CN103242593A (en) * | 2013-05-15 | 2013-08-14 | 北京化工大学 | Antistatic material, self-cleaning light diffusion plate prepared therefrom, and preparation method of self-cleaning light diffusion plate |
| TW201441035A (en) * | 2013-04-26 | 2014-11-01 | Hon Hai Prec Ind Co Ltd | Composite light guiding plate and method for manufacturing same |
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| US20020122257A1 (en) * | 2000-12-20 | 2002-09-05 | Dai Nippon Printing Co., Ltd. | Antiglare film, process for producting the same, and display device using antiglare film |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355968A (en) * | 2019-07-11 | 2019-10-22 | 上海康培企塑料有限公司 | A kind of anti-glare lampshade and its extrusion molding machining production line |
| CN110684331A (en) * | 2019-10-08 | 2020-01-14 | 江西盛汇光学科技协同创新有限公司 | Anti-dazzle diffusion plate and preparation process thereof |
| CN113866855A (en) * | 2021-10-23 | 2021-12-31 | 广东瑞捷光电股份有限公司 | Structural diffusion plate and preparation method thereof |
| CN115307107A (en) * | 2022-08-15 | 2022-11-08 | 昆山市诚泰电气股份有限公司 | Optical grade plastic microcrystal plate with microstructure adjusting glare index value and production process thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |