CN113985507A - Production method of IPPS diffusion plate - Google Patents
Production method of IPPS diffusion plate Download PDFInfo
- Publication number
- CN113985507A CN113985507A CN202111376270.9A CN202111376270A CN113985507A CN 113985507 A CN113985507 A CN 113985507A CN 202111376270 A CN202111376270 A CN 202111376270A CN 113985507 A CN113985507 A CN 113985507A
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- China
- Prior art keywords
- ipps
- plate
- diffusion plate
- diffusion
- raw materials
- 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.)
- Pending
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 39
- 238000002360 preparation method Methods 0.000 claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 16
- 238000004049 embossing Methods 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 12
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 229960001545 hydrotalcite Drugs 0.000 claims description 6
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 6
- 239000002667 nucleating agent Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 229910001051 Magnalium Inorganic materials 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a production method of an IPPS diffusion plate, which comprises the following steps: preparing an IPPS diffusion plate preparation raw material; conveying the prepared preparation raw materials into a storage hopper; transferring and heating the preparation raw materials in the storage hopper; extruding and molding the heated preparation raw materials; cooling the diffusion plate after extrusion molding; manufacturing the surface lines of the diffusion plate; cutting the cooled diffusion plate; and stamping the cut diffusion plate. The production method of the IPPS diffusion plate has the beneficial effects that the working procedure is simple, the production and the manufacture are convenient, the quality of the produced diffusion plate is good, the production efficiency of the diffusion plate is effectively improved by using the formula and the production method and punching by using a punching machine, the energy consumption of the diffusion plate is saved, the produced diffusion plate has good heat resistance and aging resistance, the production cost of the diffusion plate is reduced, and the diffusion plate produced by the formula has no dust and is convenient to clean in the working process.
Description
Technical Field
The invention relates to the technical field of plate production, in particular to a production method of an IPPS diffusion plate.
Background
The most important characteristic of the diffuser plate is that the diffuser plate causes great interference to light, no matter how many degrees of the originally designed light distribution curve are, as long as the light passes through the diffuser plate, the light beam angle is 160-176 degrees, so when viewed from the side, the lamp plate surface has a fog feeling, from this point, the light beam angle is as large as 160-176 degrees, the best evidence proves that the larger the light beam angle is, the lower the illumination is, some light can be filtered, some wavelengths can not penetrate, color cast is caused, if the surface is subjected to light interference treatment again (such as frosting and pressing lines), the light transmittance is lower due to the natural phenomenon of geometrical optics, so the base material for making the diffuser plate should be selected to have the lower refractive index, and the lower the light interference is.
The diffuser plate has wide application in fields such as straight following formula LED TV and the illumination of LED dull and stereotyped lamp at present, can make the abundant scattering of incident light, it is softer to realize, even effect of shining, in the general technology, the diffuser plate is when producing solid board, it forms to add the diffusant in the raw materials, diffusant evenly distributed is in the panel, when making light pass through panel, take place the refraction when bumping the diffusant granule, the effect of reflection and scattering, thereby make light can be even see through panel but can not expose the light source, reach the change from the pointolite to the area source.
The existing diffusion plate has the following problems in the production process, the production time is long, the production efficiency is low, the energy consumption is high, the processing cost is high, in the production process, powder can appear, the cleaning is inconvenient, the pollution to the environment is large, the produced diffusion plate is poor in heat resistance and deformation and poor in ageing resistance, and therefore an IPPS diffusion plate production method needs to be designed.
Disclosure of Invention
The invention aims to solve the problems and designs a production method of an IPPS diffusion plate.
The technical scheme of the invention is that the production method of the IPPS diffusion plate comprises the following steps:
the method comprises the following steps: preparing an IPPS diffusion plate preparation raw material;
step two: conveying the prepared preparation raw materials into a storage hopper;
step three: transferring and heating the preparation raw materials in the storage hopper;
step four: extruding and molding the heated preparation raw materials;
step five: cooling the diffusion plate after extrusion molding;
step six: manufacturing the surface lines of the diffusion plate;
step seven: cutting the cooled diffusion plate;
step eight: and stamping the cut diffusion plate.
As a further description of the technical scheme, in the first step, the preparation raw materials include a main material and an auxiliary material, the main material is PP polypropylene, and the auxiliary material is as follows: PP polyolefin nucleating agent, magnesium aluminum hydrotalcite, organosilicon light diffusion powder, barium sulfate filler, diffusion oil and EBS diffusion powder.
As further described in the technical scheme, the auxiliary materials comprise the following components in parts by weight: 0.05 to 0.5 portion of PP polyolefin nucleating agent, 0.002 to 0.01 portion of magnalium hydrotalcite, 0.2 to 1.5 portions of organic silicon light diffusion powder, 1 to 10 portions of barium sulfate filler, 0.5 to 1 portion of diffusion oil and 1 to 2 portions of EBS diffusion powder.
As a further description of the technical scheme, in the second step, the weighed preparation raw materials are sequentially added into a storage hopper of an extrusion molding machine, the preparation raw materials in the discharge hopper are stirred uniformly by a stirring device, the stirring device keeps stirring at a constant speed, and the stirring time is 15-30 minutes.
As a further description of the technical solution, in the third step, the preparation raw material in the storage hopper is transferred into a cylinder of the extruder, the extruder is started, the preparation raw material in the cylinder is preheated to a heating temperature of 60-80 ℃, and the heated preparation raw material is transferred to an extrusion end of the extruder.
As a further description of the technical solution, in the fourth step, a raw material fine extruder is prepared for extrusion molding to form the IPPS plate, the extrusion speed of the extruder is 4-8m/min, the plate molding temperature in the extruder is 190-230 ℃, the plate molding pressure is 10-30Mpa, and the manufactured IPPS plate is conveyed by a conveying device.
As a further description of the technical solution, in the fifth step, the produced IPPS sheet is cooled by natural cooling, the cooling time is 30-60min, and the sheet density of the cooled IPPS sheet is 0.8-0.95g/cm 3.
As a further description of the present technical solution, in the sixth step, the embossing roller with patterns is adopted to emboss the cooled IPPS sheet, the IPPS sheet is conveyed to the embossing roller and placed between the embossing roller and the auxiliary roller, and under the combined action of the embossing roller and the auxiliary roller, the pattern production on the IPPS sheet is completed, so that the IPPS sheet has the optical pattern of worm patterns.
As a further description of the technical solution, in the seventh step, a cutter is arranged on the conveying device, and the IPPS sheet is cut by the cutter in the conveying process, so that the produced IPPS sheet is consistent in width.
As a further description of the present technical solution, in the eighth step, a punching machine is used to punch the IPPS plate, so as to punch the IPPS plate into a plate with a consistent size.
The production method of the IPPS diffusion plate has the beneficial effects that the working procedure is simple, the production and the manufacture are convenient, the quality of the produced diffusion plate is good, the production efficiency of the diffusion plate is effectively improved by using the formula and the production method and punching by using a punching machine, the energy consumption of the diffusion plate is saved, the produced diffusion plate has good heat resistance and aging resistance, the production cost of the diffusion plate is reduced, and the diffusion plate produced by the formula has no dust and is convenient to clean in the working process.
Detailed Description
Firstly, the design of the invention is original, the diffusion plate is widely applied in the fields of direct type LED television and LED flat lamp illumination, etc., the diffusion plate can fully scatter incident light, and realize softer and more uniform irradiation effect, in the general process, the diffusion plate is formed by adding a diffusion agent in raw materials when producing a solid plate, the diffusion agent is uniformly distributed in the plate, when the light passes through the plate, the light meets the particles of the diffusion agent, the effects of refraction, reflection and scattering are generated, so that the light can uniformly penetrate through the plate without exposing the light source, the change from the point light source to the surface light source is achieved, the prior diffusion plate has the following problems in the production process, the production time is long, the production efficiency is low, the energy consumption is high, the processing cost is high, in the production process, powder can be generated, the cleaning is inconvenient, the environmental pollution is great, and the produced diffusion plate has poorer heat-resistant deformation, the aging resistance is poor, so the invention designs a production method of the IPPS diffusion plate.
The present invention will be described in detail below, and a method for producing an IPPS diffuser plate includes the following steps:
the method comprises the following steps: preparing an IPPS diffusion plate preparation raw material, wherein in the step one, the preparation raw material comprises a main material and an auxiliary material, the main material is PP polypropylene, and the auxiliary material comprises the following components: PP polyolefin nucleating agent, magnalium hydrotalcite, organosilicon light diffusion powder, barium sulfate filler, diffusion oil and EBS diffusion powder; the auxiliary materials comprise the following components in parts by weight: 0.05 to 0.5 portion of PP polyolefin nucleating agent, 0.002 to 0.01 portion of magnalium hydrotalcite, 0.2 to 1.5 portions of organic silicon light diffusion powder, 1 to 10 portions of barium sulfate filler, 0.5 to 1 portion of diffusion oil and 1 to 2 portions of EBS diffusion powder.
Step two: and conveying the prepared preparation raw materials into a storage hopper, sequentially adding the weighed preparation raw materials into the storage hopper of the extrusion molding machine in the step two, uniformly stirring the preparation raw materials in the discharge hopper by using a stirring device, and keeping the stirring of the stirring device at a constant speed for 15-30 minutes.
Step three: transferring and heating the preparation raw materials in the storage hopper, transferring the preparation raw materials in the storage hopper into a charging barrel of an extruder in the third step, starting the extruder, preheating the preparation raw materials in the charging barrel at the heating temperature of 60-80 ℃, and transferring the heated preparation raw materials to the extrusion end of the extruder.
Step four: and (3) carrying out extrusion molding on the heated prepared raw materials, wherein in the fourth step, the prepared raw materials are extruded and molded by a fine extruder to form the IPPS plate, the extrusion speed of the extruder is 4-8m/min, the plate molding temperature in the extruder is 190-230 ℃, the plate molding pressure is 10-30Mpa, and the manufactured IPPS plate is conveyed by a conveying device.
Step five: and cooling the diffusion plate after extrusion molding, and in the fifth step, cooling the produced IPPS plate by adopting natural cooling, wherein the cooling time is 30-60min, and the plate density of the cooled IPPS plate is 0.8-0.95g/cm 3.
Step six: and (5) manufacturing the grains on the surface of the diffusion plate, in the sixth step, embossing the cooled IPPS plate by using the embossing roller with the grains, conveying the IPPS plate to the embossing roller, placing the IPPS plate between the embossing roller and the auxiliary roller, and finishing the manufacture of the grains on the IPPS plate under the combined action of the embossing roller and the auxiliary roller so that the IPPS plate is provided with the optical grains with the worm grains.
Step seven: and seventhly, cutting the cooled diffusion plate, wherein a cutter is arranged on the conveying device, and the IPPS plate is cut by the cutter in the conveying process, so that the width of the produced IPPS plate is consistent.
Step eight: and in the step eight, stamping the IPPS plate by using a stamping machine, and stamping the IPPS plate into a plate with the same size.
The production method of the IPPS diffusion plate provided by the invention has the advantages that the working procedure is simple, the production and the manufacture are convenient, the quality of the produced diffusion plate is good, the production efficiency of the diffusion plate is effectively improved by using the formula and the production method and punching by using a punching machine, the energy consumption of the diffusion plate is saved, the produced diffusion plate has good heat resistance and aging resistance, the production cost of the diffusion plate is reduced, and the diffusion plate produced by the formula has no dust and is convenient to clean in the working process.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A production method of an IPPS diffusion plate is characterized by comprising the following steps:
the method comprises the following steps: preparing an IPPS diffusion plate preparation raw material;
step two: conveying the prepared preparation raw materials into a storage hopper;
step three: transferring and heating the preparation raw materials in the storage hopper;
step four: extruding and molding the heated preparation raw materials;
step five: cooling the diffusion plate after extrusion molding;
step six: manufacturing the surface lines of the diffusion plate;
step seven: cutting the cooled diffusion plate;
step eight: and stamping the cut diffusion plate.
2. The method for producing an IPPS diffusion plate according to claim 1, wherein in the first step, the raw materials for preparation comprise a main material and an auxiliary material, the main material is PP polypropylene, and the auxiliary material comprises: PP polyolefin nucleating agent, magnesium aluminum hydrotalcite, organosilicon light diffusion powder, barium sulfate filler, diffusion oil and EBS diffusion powder.
3. The method for producing an IPPS diffuser plate according to claim 2, wherein the auxiliary materials comprise the following components in parts by weight: 0.05 to 0.5 portion of PP polyolefin nucleating agent, 0.002 to 0.01 portion of magnalium hydrotalcite, 0.2 to 1.5 portions of organic silicon light diffusion powder, 1 to 10 portions of barium sulfate filler, 0.5 to 1 portion of diffusion oil and 1 to 2 portions of EBS diffusion powder.
4. The method for producing an IPPS diffuser plate according to claim 1, wherein in the second step, the weighed preparation raw materials are sequentially added into a storage hopper of an extrusion molding machine, the preparation raw materials in the discharge hopper are stirred uniformly by a stirring device, and the stirring device keeps stirring at a constant speed for 15-30 minutes.
5. The method of claim 1, wherein in the third step, the raw materials in the storage hopper are transferred to a barrel of the extruder, the extruder is started, the raw materials in the barrel are preheated to a temperature of 60-80 ℃, and the heated raw materials are transferred to the extrusion end of the extruder.
6. The method for producing the IPPS diffusion plate according to claim 1, wherein in the fourth step, the raw material is prepared and extruded by a fine extruder to form the IPPS plate, the extrusion speed of the extruder is 4-8m/min, the plate forming temperature in the extruder is 190-230 ℃, the plate forming pressure is 10-30MPa, and the manufactured IPPS plate is conveyed by a conveying device.
7. The method for producing an IPPS diffuser plate according to claim 6, wherein in the fifth step, the produced IPPS plate is cooled by natural cooling for 30-60min, and the density of the cooled IPPS plate is 0.8-0.95g/cm3。
8. The IPPS diffuser plate manufacturing method according to claim 1, wherein in the sixth step, the cooled IPPS sheet is embossed by using the embossing roller with patterns, the IPPS sheet is transported to the embossing roller and placed between the embossing roller and the auxiliary roller, and the embossing of the IPPS sheet is completed under the cooperation of the embossing roller and the auxiliary roller, so that the IPPS sheet has the optical patterns of worm patterns.
9. The IPPS diffusion plate production method according to claim 6, wherein in the seventh step, a cutter is arranged on the conveying device, and the IPPS plate is cut by the cutter in the conveying process, so that the width of the produced IPPS plate is consistent.
10. The IPPS diffuser plate manufacturing method according to claim 1, wherein in the eighth step, the IPPS plate is punched by a punching machine to form a plate with a consistent size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376270.9A CN113985507A (en) | 2021-11-19 | 2021-11-19 | Production method of IPPS diffusion plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376270.9A CN113985507A (en) | 2021-11-19 | 2021-11-19 | Production method of IPPS diffusion plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113985507A true CN113985507A (en) | 2022-01-28 |
Family
ID=79749593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111376270.9A Pending CN113985507A (en) | 2021-11-19 | 2021-11-19 | Production method of IPPS diffusion plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN113985507A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950750A (en) * | 2017-03-20 | 2017-07-14 | 青岛骐骥光电科技有限公司 | A kind of quantum dot spreads plate producing process |
| CN108841079A (en) * | 2018-06-12 | 2018-11-20 | 赖慎鹏 | A kind of light diffusing sheet and preparation method thereof |
| CN109334037A (en) * | 2018-09-06 | 2019-02-15 | 东莞市鑫聚光电科技股份有限公司 | A kind of preparation process of light and thin type diffuser plate |
| KR20200111329A (en) * | 2019-03-18 | 2020-09-29 | (주)플라벡스 | Polypropylene light diffusion plate and manufacturing method thereof |
-
2021
- 2021-11-19 CN CN202111376270.9A patent/CN113985507A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950750A (en) * | 2017-03-20 | 2017-07-14 | 青岛骐骥光电科技有限公司 | A kind of quantum dot spreads plate producing process |
| CN108841079A (en) * | 2018-06-12 | 2018-11-20 | 赖慎鹏 | A kind of light diffusing sheet and preparation method thereof |
| CN109334037A (en) * | 2018-09-06 | 2019-02-15 | 东莞市鑫聚光电科技股份有限公司 | A kind of preparation process of light and thin type diffuser plate |
| KR20200111329A (en) * | 2019-03-18 | 2020-09-29 | (주)플라벡스 | Polypropylene light diffusion plate and manufacturing method thereof |
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