CN114935842A - Novel Mylar pressing roller jig process - Google Patents
Novel Mylar pressing roller jig process Download PDFInfo
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- CN114935842A CN114935842A CN202210685180.6A CN202210685180A CN114935842A CN 114935842 A CN114935842 A CN 114935842A CN 202210685180 A CN202210685180 A CN 202210685180A CN 114935842 A CN114935842 A CN 114935842A
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- mylar
- roller
- pressing
- novel
- jig process
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- 229920002799 BoPET Polymers 0.000 title claims abstract description 62
- 239000005041 Mylar™ Substances 0.000 title claims abstract description 62
- 238000003825 pressing Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000002474 experimental method Methods 0.000 claims description 12
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 7
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 7
- 229920002530 polyetherether ketone Polymers 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 229920001342 Bakelite® Polymers 0.000 claims description 5
- 239000004637 bakelite Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000006748 scratching Methods 0.000 abstract description 4
- 230000002393 scratching effect Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 26
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 229920000742 Cotton Polymers 0.000 description 8
- 238000009863 impact test Methods 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 241000755266 Kathetostoma giganteum Species 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004836 Glue Stick Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000013095 identification testing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
Abstract
The invention relates to the technical field of Mylar flush attachment structures, and discloses a Mylar pressing novel roller jig process, which comprises the following steps: the first step is as follows: evaluating the structural shape, confirming that the roller structure is superior to a briquetting structure, and selecting a material for manufacturing the roller; the second step is that: determining the thickness of the roller and a structure with an inclination angle according to the step appearance to be realized; the third step: the roller is fixed on the handle by screws; the fourth step: putting into use; the fifth step: compared with the traditional Mylar pressing tool, the novel Mylar pressing roller jig process has the problems of easy abrasion, easy scratching of a shading Mylar coating, frequent replacement, unsatisfactory pressing effect, easy scratching of Mylar after abrasion and the like; the novel roller pressing mylar process can ensure the shading mylar step pressing effect, can be repeatedly used, does not damage mylar coating, damages shading mylar and other advantages, and simultaneously meets the requirements of customers and structural design.
Description
Technical Field
The invention relates to the technical field of Mylar flush attachment structures, in particular to a novel Mylar pressing roller jig process.
Background
In the design and production process of a module product, most products need to be attached with shading mylar at the top of a BL (basic layer) to isolate and block light rays refracted by the section of an LCD (liquid crystal display) and transmitted by the BL and avoid an infrared hole and a photosensitive hole at the top of the module from being influenced; in the design process of the whole machine, in order to ensure the quick response and sensitivity of the infrared hole, the photosensitive hole and the signal hole, the high light-proof performance of the position is required to be ensured;
the summary of the design of the current mylar attachment structure is summarized as follows:
mylar flush attachment structure: after the mylar is attached, the whole body is flush with the top of the BL and is slightly lower than the infrared hole, the photosensitive hole and the signal hole, the gap between the CG and the BL is suspended, and the light shielding mylar upwarping can cause the light leakage of the mylar after the mylar is attached;
the Mylar pressing slope attaching structure: after the mylar is attached, the shading mylar structure attached to the top of the BL is unchanged, and a gap position between the CG and the BL needs to form a slope carrying structure, so that the shading mylar and the CG form a certain angle;
the Maila presses the step and attaches the structure: after the mylar is attached, the shading mylar structure attached to the top of the BL is unchanged, and the gap position between the CG and the BL needs to be pressed into a step type, so that the shading mylar and the LCD are tightly attached;
through the investigation in industry, whole module trade all takes place customer complaint phenomenon to the mylar light leak, for solving the mylar light leak problem, generally adopts the mylar in the trade and presses the step structure, nevertheless differs to the instrument use of pressing the step, mainly divide into following several kinds:
pressing a flat-head cotton swab: the cotton swab main body is of a glue stick structure, the pressing part is formed by wrapping double layers of dust-free cloth outside flat head glue, the overall thickness is generally 1.5mm, the cotton swab can scrape a shading Mylar coating in the using process, is easy to wear and tear, needs to be frequently replaced, cannot ensure the pressing effect to reach the risk of pressing a step structure and the like, and the tool is worn after being used for a long time, and is high in auxiliary material cost;
pressing a tip cotton swab: the main body structure of the cotton swab is a solid paper roll structure, the pressing part is a sharp-cone-shaped pure cotton structure, the cone angle is about 30 degrees, the cotton swab is easy to deform in the using process due to the fact that the hardness of the pressing part is insufficient, risks such as frequent replacement, scraping of a shading Mylar coating, incapability of guaranteeing the effect of pressing a step and the like can be caused, and the tool needs to be used for a long time, so that the production cost is additionally increased;
novel roller pressing: the roller is made of PEEK, has moderate hardness, is wear-resistant and antistatic, can be used for a long time in the using process, has good pressing effect, can completely reach a step structure, and enables the shading mylar to be attached to the LCD;
the pressing tools of various companies in the industry have the problems of unsatisfactory pressing effect, increased production cost and the like, and therefore a novel roller jig pressing process by Mylar is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a novel Mylar pressing roller jig process, which has the advantages of ensuring the effect of pressing a step by shading Mylar, being reusable, not damaging the Mylar coating, damaging the shading Mylar and the like, simultaneously meets the requirements of customers and structural design, and can be popularized and guided into use at the position of pressing the Mylar step in the industry.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: novel roller jig process is pressed to wheat, includes the following step:
the first step is as follows: evaluating the structural shape, confirming that the roller structure is superior to a briquetting structure, and selecting a material for manufacturing the roller;
the second step: determining the thickness of the roller and a structure with an inclination angle according to the step appearance to be realized;
the third step: the roller is fixed on the handle by screws;
the fourth step: putting into use;
the fifth step: and carrying out detection experiments on the used product.
Preferably, the thickness of the roller in the second step is determined to be 0.1mm, and the inclination angle of the roller belt is 20 degrees.
Preferably, the diameter of the screw is 12 mm.
Preferably, the gyro wheel selects the PEEK material, and the ya keli material/bakelite of antistatic is used to the handle.
Preferably, the center of the roller forms an included angle of 90 degrees with the handle.
Preferably, the detection experiment comprises 30pcs high temperature and high humidity, cold and hot impact, high temperature storage, low temperature storage, vibration experiment and falling experiment.
(III) advantageous effects
Compared with the prior art, the invention provides a novel Mylar pressing roller jig process, which has the following beneficial effects:
1. compared with the traditional Mylar pressing tool, the novel Mylar pressing roller jig process has the problems of easy abrasion, easy scratching of a shading Mylar coating, frequent replacement, unsatisfactory pressing effect, easy scratching of Mylar after abrasion and the like; the novel roller pressing Mylar process can ensure the shading Mylar pressing step effect, can be used repeatedly, does not damage Mylar coatings and damage advantages such as shading Mylar, meets the requirements of customers and structural design, and can be popularized and guided in and used at the position of pressing Mylar steps in the industry.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Novel roller jig pressing process for Mylar comprises the following steps:
choose suitable PEEK gyro wheel material for use, supplementary mylar is attached to be pressed into the step form, guarantees that mylar is not light-tight:
in order to be suitable for all models, the roller structure is evaluated and confirmed to be superior to the briquetting structure;
designing a proper roller thickness according to the step appearance to be realized, and finally determining the roller thickness to be 0.1 mm;
in order to avoid the risks of ink damage and the like caused by the interference of the roller and CG, the inclination angle structure of the roller belt is finally confirmed, and the inclination angle is 20 degrees;
the roller needs to be fixed on the handle for operation, the radius of the roller needs to be larger than the height of CG during operation, the interference of the CG by a fixing screw is avoided, and the diameter is finally confirmed to be 12 mm;
as the tool needs to be used continuously, the PEEK material with moderate hardness, wear resistance and static electricity resistance is used through comprehensive evaluation and confirmation;
the PEEK is a special engineering plastic with excellent performance, has more remarkable advantages compared with other special engineering plastics, and can be used for high-end science and technology such as machinery, nuclear engineering, aviation and the like due to the positive and high temperature resistance of 260 ℃, excellent mechanical performance, good self-lubricating property, chemical corrosion resistance, flame retardance, peeling resistance, wear resistance, weak nitric acid resistance, concentrated sulfuric acid resistance, radiation resistance and super-strong mechanical performance.
The tool handle is made of an anti-static acrylic material/bakelite;
the acrylic material/bakelite is a synthetic polymer obtained by reacting phenol or substituted phenol with formaldehyde. As a base material for bakelite, phenolic resin is the first commercial synthetic resin (plastic). They have been widely used to produce molded products including billiards, laboratory tables, and paints and adhesives. They were once the primary material for circuit board production, but have now been replaced by epoxy and fiberglass cloth, such as fire resistant FR-4 circuit board material.
There are two main methods of producing phenolic resins-one is the direct reaction of phenol and formaldehyde to form a thermosetting network polymer, and the other is to confine formaldehyde to form a prepolymer called novolac, which can be molded and then cured by adding more formaldehyde and providing additional heat. There are many variations in the production materials and raw materials used to produce various special-purpose resins.
At the initial stage of sampling, the circle center of the roller is consistent with the handle, but the operation is inconvenient in the operation process, and then the angle between the circle center of the roller and the handle is optimized to be 90 degrees so as to ensure smooth and labor-saving operation;
before the introduction process is verified, 6578pcs are pressed by using a pointed cotton swab, and Maila is not pressed into a step-shaped 1418pcs, wherein the undesirable ratio is 21.55%; 6324pcs is pressed by using the novel roller jig, the mylar is not pressed into step-shaped 2pcs, the defective proportion is 0.03%, and the reduction rate by using the novel roller jig is about 21.5%;
after 30pcs of high temperature and high humidity, cold and hot shock, high temperature storage, low temperature storage, vibration experiments and drop experiments are added into the pressed product, no Maila light leakage defect is confirmed by electrical test, and OK is confirmed by RA experiments.
The cold-hot impact test, also known as a temperature impact test or a high-low temperature impact test, is used for examining the adaptability of a product to the rapid change of ambient temperature, is an indispensable test in an identification test of equipment design and setting and a routine test in a batch production stage, and can also be used for an environmental stress screening test in some cases. It can be said that the cold-hot impact test chamber is applied second only to vibration and high-low temperature tests in terms of verifying and improving the environmental suitability of the equipment.
The high temperature test is a test performed by exposing a sample to a high temperature and air-dry environment, and aims to determine the adaptability of military and civil equipment to storage and work under high temperature conditions. The standard of the high-temperature test is GJB150.3-86 and GB 11606.4-89. The service life of a high-temperature test product follows the rule of 10 ℃, so that the high-temperature test is used as the most common test for screening components and complete machines, aging tests, service life tests, accelerated service life tests and evaluation tests, and plays an important role in the verification of failure analysis. The technical indexes comprise: temperature, time, rate of rise.
The low-temperature and low-pressure test is a test for testing the adaptability of the product to bear the comprehensive action of the low-temperature and low-pressure environment. And (3) putting the product into a test box, reducing the temperature and the pressure to the specified temperature and pressure, carrying out appearance inspection after a certain time, and carrying out working performance detection.
Vibration experiment: the reciprocating motion of the object or mass relative to the equilibrium position is called vibration (VIB 07). The vibration is divided into sinusoidal vibration, random vibration, composite vibration, scanning vibration and fixed frequency vibration. The main parameters describing the vibrations are: the amplitude and speed vibration are divided into acceleration and acceleration. Testing of physical or modeled vibration systems in the field or laboratory. A vibration system is a mass elastic system excited by a vibration source, such as a machine, structure or component thereof, a biological body, or the like. The vibration test is developed from the aerospace department, is popularized to various industrial departments such as power machinery, transportation, buildings and the like, and has increasingly wide application in the aspects of environmental protection and labor protection. The vibration test comprises the contents of response measurement, dynamic characteristic parameter determination, load identification, vibration environment test and the like.
The falling test is also called a 'package falling test machine', and is used for simulating the situation that different edges, corners and surfaces fall on the ground at different heights after a product is packaged, so as to know the damage situation of the product and evaluate the falling height and the impact strength which can be born by the product packaging component when the product packaging component falls. Thus improving and perfecting the packaging design according to the actual condition of the product and within the national standard range. Reference standard: GB/T2423.8-1995 Electrical and electronic product environmental test part 2: test methods test Ed: and (4) falling freely.
The working principle is as follows: wear-resisting PEEK material is used, the roller is placed above Mylar in the gap between BL and CG, and the roller is rolled back and forth to form a step structure with tight adhesion of shading Mylar and the top section of the LCD, so that the light leakage of Mylar is avoided, and the use effect of a photosensitive hole, an infrared hole and a signal hole of the whole machine is influenced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Novel roller jig process is pressed to wheat, its characterized in that includes following step:
the first step is as follows: evaluating the structure shape, confirming that the roller structure is superior to a pressing block structure, and selecting a material for manufacturing the roller;
the second step: determining the thickness of the roller and a structure with an inclination angle according to the step appearance to be realized;
the third step: the roller is fixed on the handle by adopting a screw;
the fourth step: putting into use;
the fifth step: and carrying out detection experiments on the used product.
2. The novel roller jig process for pressing Mylar as claimed in claim 1, wherein: in the second step, the thickness of the roller is confirmed to be 0.1mm, and the inclination angle of the roller belt is 20 degrees.
3. The novel Mylar pressing roller jig process as claimed in claim 1, wherein: the diameter of the screw is 12 mm.
4. The novel Mylar pressing roller jig process as claimed in claim 1, wherein: the PEEK material is selected to the gyro wheel, and the ya keli material/bakelite of static is used to the handle.
5. The novel Mylar pressing roller jig process as claimed in claim 1, wherein: the center of the roller forms an included angle of 90 degrees with the handle.
6. The novel Mylar pressing roller jig process as claimed in claim 1, wherein: the detection experiment comprises 30pcs high-temperature high-humidity, cold-hot impact, high-temperature storage, low-temperature storage, vibration experiment and drop experiment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210685180.6A CN114935842A (en) | 2022-06-17 | 2022-06-17 | Novel Mylar pressing roller jig process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210685180.6A CN114935842A (en) | 2022-06-17 | 2022-06-17 | Novel Mylar pressing roller jig process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114935842A true CN114935842A (en) | 2022-08-23 |
Family
ID=82868145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210685180.6A Pending CN114935842A (en) | 2022-06-17 | 2022-06-17 | Novel Mylar pressing roller jig process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114935842A (en) |
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