CN107146727B - The production method and production method application of keycap with stealthy character effect - Google Patents
The production method and production method application of keycap with stealthy character effect Download PDFInfo
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- CN107146727B CN107146727B CN201710518947.5A CN201710518947A CN107146727B CN 107146727 B CN107146727 B CN 107146727B CN 201710518947 A CN201710518947 A CN 201710518947A CN 107146727 B CN107146727 B CN 107146727B
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- keycap
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- inner casing
- light
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 230000000694 effects Effects 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000008188 pellet Substances 0.000 claims abstract description 22
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 10
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 10
- 239000010703 silicon Substances 0.000 claims abstract description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000004595 color masterbatch Substances 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 235000010215 titanium dioxide Nutrition 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 description 19
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical class C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- WWNGFHNQODFIEX-UHFFFAOYSA-N buta-1,3-diene;methyl 2-methylprop-2-enoate;styrene Chemical compound C=CC=C.COC(=O)C(C)=C.C=CC1=CC=CC=C1 WWNGFHNQODFIEX-UHFFFAOYSA-N 0.000 description 6
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 230000004313 glare Effects 0.000 description 4
- 238000007592 spray painting technique Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- -1 β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester Chemical class 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical class CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 150000001993 dienes Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- GLDOVTGHNKAZLK-UHFFFAOYSA-N n-octadecyl alcohol Natural products CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000012985 polymerization agent Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
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- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/88—Processes specially adapted for manufacture of rectilinearly movable switches having a plurality of operating members associated with different sets of contacts, e.g. keyboards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/056—Diffuser; Uneven surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of production methods of keycap with stealthy character effect, include the following steps: step 1: production injection molding double-color mould；Step 2: prepare shell and take out pellet and inner casing pumping pellet；Step 3: pellet will be taken out and process to form keycap by double-material injection-molding technique, wherein, the inner casing takes out the material component that pellet includes following mass percent: 92-98.5% transparent ABS plastics, 0.5-5% pearl powder, 0.3-5% antioxidant, 0.3-7% silicon systems light diffusing agent；The shell takes out the material component that pellet includes following mass percent: 75~85%ABS plastics, 5~10%PMMA resin, 3~8%PEG resin, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%MBS resin, 5-10% rutile titanium white powder, 0.1-1% multifunctional color master batch.
Description
Technical field
The present invention relates to computer fittings field, the production method and life of espespecially a kind of keycap with stealthy character effect
Production method application.
Background technique
The key of electronic equipment is the most common instruction input mode, such as key, electronic equipment key in keyboard, automobile
Deng wherein keyboard is the most common computer input device, can be defeated by English alphabet, number, punctuation mark etc. by keyboard
Enter into computer, thus to the sendings such as computer order, input data etc..In order to meet the needs of development, keyboard developer
Begin one's study multi-functional keyboard, and the important product, that is, illuminated keyboard of one type, illuminated keyboard is mainly reflected in keyboard,
Key letter can be also seen in the case where not turning on light at night.
Current keycap generally transparent material is made, after key cap surface spray painting processing, in key cap surface laser carving font,
Allow font light transmission, the shortcomings that this sample loading mode is when hand is typewrited, to be prone to wear the paint for being sprayed on key cap surface, word of erasing
Body；And after font is erased, user is caused to be beyond recognition and normal use keyboard, serious waste resource.Or keycap
The direct laser carving in surface penetrates character, and light directly from character injection is penetrated, is easy pierce eyes.
Summary of the invention
To solve the above problems, the present invention provides the production method and producer of a kind of keycap with stealthy character effect
Method application.
To achieve the above object, the present invention, which adopts the following technical scheme that, is: aiming to solve the problem that in the prior art, there are keycaps
The spray painting on surface is easy to fall off after prolonged use, causes symbol that cannot identify, user is beyond recognition and normal use keyboard,
The defect to result in waste of resources, for the present invention by secretly carving characters symbol in shading inner surface of outer cover, shading shell becomes very thin to make
Anaclasis shows character, and light, which is reflected, becomes soft without hurting eyes.
A kind of keycap with stealthy character effect provided by the invention, for being assembled in the illuminated keyboard for being built-in with light source
On, including shading shell and light transmission inner casing, shading shell constitute the shell of keycap, and the shading shell is set in light transmission inner casing
On, the light transmission inner casing is equipped with extremely with thickness of the shell in an inner casing outer surface, an inner casing inner surface and one, the inner casing outer surface
Few one translucent symbol portion and a flat part with microprotrusion；Wherein, there is the translucent symbol portion of microprotrusion to have an evagination for this
Light transmitting surface and an indent light transmitting surface, to generate three-dimensional sense and generate more wide light refraction range, the shading
Shell have an outer surface of outer cover, an inner surface of outer cover and an outer casing thickness, the inner surface of outer cover to shell outer surface depressions with
It reduces outer casing thickness and forms intaglio plate symbol portion, the translucent symbol portion is fitted in intaglio plate symbol portion, the light transmission
The faying face in symbol portion and intaglio plate symbol portion forms plane of refraction.The three-dimensional sense in its translucent symbol portion is splendid, and translucent symbol portion
Visual range is larger.
Preferably, the shading shell and light transmission inner casing be by double-material jet formation or molded mode one at
Type.
Preferably, the cross section of the shading shell is gradually increased from top surface to bottom surface.
Preferably, the light transmission inner casing is equipped with key axis accommodating chamber.
Preferably, the outer surface of outer cover is frosting, so that light is changed into diffused ray and casts out, to realize light
Line is soft, is evenly distributed, to prevent the generation of glare.
Preferably, the outer surface of outer cover laser carving has symbol pattern.
A kind of production method of the keycap with stealthy character effect, comprising the following steps:
Step 1: production injection molding double-color mould；
Step 2: preparing shell and take out pellet and inner casing pumping pellet,
Step 3: pellet will be taken out and process to form keycap by double-material injection-molding technique, wherein the inner casing takes out pellet and includes
The material component of following mass percent: 92-98.5% transparent ABS plastics, 0.5-5% pearl powder, 0.3-5% antioxidant,
0.3-7% silicon systems light diffusing agent；The shell takes out the material component that pellet includes following mass percent: 75~85%ABS
Plastics, 5~10%PMMA resin, 3~8%PEG resin, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%
MBS resin, 5-10% rutile titanium white powder, 0.1-1% multifunctional color master batch.
Wherein, further include step 4: laser carving character carries out engraving character and pattern in key cap surface using laser.
Wherein, in step 3, injecting condition are as follows: injection temperature is 190 DEG C~150 DEG C, and injection pressure is 50kgf/cm2~
70kgf/cm2, injection time is 30s~50s.
Wherein, in step 4, laser carving condition are as follows: mark frequency is 8000~12000hz, and launch time is 70s~90s,
Mark speed is 800mm/s~1200mm/s.
Wherein, the antioxidant is the mixture of one or both of antioxidant 1076 or irgasfos 168；
Wherein, the silicon systems light diffusing agent is organic siliconresin light diffusing agent.
Wherein, it is 1.5~1.7 that the index of refraction of the PMMA resin, which is the index of refraction of 1.4~1.6, PEG resin,.It is described
PMMA resin is polymethyl methacrylate, is molded resistance to thermal level, Vicat softening point is greater than 110 DEG C, in the condition of 200 DEG C/5Kg
Under, melt index is in 1.5~3.5g/min.The PEG resin is styrene-acrylonitrile copolymer, and wherein acrylonitrile contains
Amount is 15~24%, and Vicat softening point is greater than 105 DEG C.
A kind of production method of the keycap with stealthy character effect, this method are applied in all kinds of plane luminescence display characters
On the product of pattern.
The beneficial effects of the present invention are: it is compared with the prior art, the light-ray condensing that light source generates is arrived it by light transmission inner casing
Light-transmission character forms light and surrounding is irradiated into intaglio plate symbol portion, to make shading shell show character, due to hiding
Light shell can cover some light, weaken stimulation of the light intensity reduction to eyes, but since recessed portion compares outer surface of outer cover
Thin, light projects shading shell by plane of refraction, is equivalent to the feeling of lampshade light transmission, and the light of formation is more gentle and comfortable, but
The advantages that not influencing visual effect, outer surface of outer cover are frosting, so that light is changed into diffused ray and cast out, to realize
Light is soft, is evenly distributed, and effectively prevents the generation of glare.
In order to become apparent from character, shading shell does not need to paint, and key symbols are arranged in a manner of laser carving, silk-screen etc. to be hidden
The case surface of light shell, in this way, symbol is not easily to fall off and is erased, the long service life of keycap, stability in use is good, thus
Avoid the phenomenon that replacing the wasting of resources caused by keyboard due to the spray painting of keycap falls off.
Detailed description of the invention
Fig. 1 is structure of the invention figure.
Fig. 2 is shading outer casing construction drawing of the invention.
Fig. 3 is light transmission inner casing configuration figure of the invention.
Fig. 4 is light transmission inner casing cutaway view of the invention.
Mark explanation: 1. shading shells；11. outer surface of outer cover；12. inner surface of outer cover；13. outer casing thickness；14. intaglio plate accords with
Number portion；2. light transmission inner casing；21. inner casing outer surface；22. inner casing inner surface；Thickness of the shell in 23.；24. translucent symbol portion；25 is flat
Portion；3. plane of refraction.
Specific embodiment
It please refers to shown in Fig. 1-4, the present invention is built-in with about a kind of keycap with stealthy character effect for being assembled in
On the illuminated keyboard of light source, including shading shell and light transmission inner casing, shading shell constitute the shell of keycap, the shading casing
It is located on light transmission inner casing, the light transmission inner casing is with thickness of the shell in an inner casing outer surface, an inner casing inner surface and one, the inner casing
Outer surface is equipped at least one translucent symbol portion and a flat part with microprotrusion；Wherein, the translucent symbol with microprotrusion
Portion has an evagination light transmitting surface and an indent light transmitting surface, to generate three-dimensional sense and generate more wide light refraction model
It encloses, the shading shell has an outer surface of outer cover, an inner surface of outer cover and an outer casing thickness, and the inner surface of outer cover is to outside shell
So that outer casing thickness reduces and formed intaglio plate symbol portion, the translucent symbol portion is fitted in intaglio plate symbol portion surface indentation,
The faying face in the translucent symbol portion and intaglio plate symbol portion forms plane of refraction.The three-dimensional sense in its translucent symbol portion is splendid, and thoroughly
The visual range in optical character portion is larger.
Preferably, the shading shell and light transmission inner casing be by double-material jet formation or molded mode one at
Type.It is integrally formed and reduces assembly program, and the keycap uniform specification formed, reduce defective products and generate, and can reach waterproof effect,
It is also good using texture.
Preferably, the cross section of the shading shell is gradually increased from top surface to bottom surface.
Preferably, the light transmission inner casing is equipped with key axis accommodating chamber.
Preferably, the outer surface of outer cover is frosting, so that light is changed into diffused ray and casts out, to realize light
Line is soft, is evenly distributed, to prevent the generation of glare.
Preferably, the outer surface of outer cover laser carving has symbol pattern.
A kind of production method of the keycap with stealthy character effect, comprising the following steps:
Step 1: production injection molding double-color mould；
Step 2: preparing shell and take out pellet and inner casing pumping pellet,
Step 3: pellet will be taken out and process to form keycap by double-material injection-molding technique, wherein the inner casing takes out pellet and includes
The material component of following mass percent: 92-98.5% transparent ABS plastics, 0.5-5% pearl powder, 0.3-5% antioxidant,
0.3-7% silicon systems light diffusing agent；The shell takes out the material component that pellet includes following mass percent: 75~85%ABS
Plastics, 5~10%PMMA resin, 3~8%PEG resin, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%
MBS resin, 5-10% rutile titanium white powder, 0.1-1% multifunctional color master batch.
Wherein, further include step 4: laser carving character carries out engraving character and pattern in key cap surface using laser.
Wherein, in step 3, injecting condition are as follows: injection temperature is 190 DEG C~150 DEG C, and injection pressure is 50kgf/cm2~
70kgf/cm2, injection time is 30s~50s.
Wherein, in step 4, laser carving condition are as follows: mark frequency is 8000~12000hz, and launch time is 70s~90s,
Mark speed is 800mm/s~1200mm/s.
Double-color mold: two kinds of plastic materials are molded on same injection molding machine, are formed in two times, but product depanning one
Secondary double-color mold.General this moulding technology is also double-material injection-molding, is usually completed by a set of double-color mold, and needs special
Double coloured plastic injection machine.Double-colored double-color mold is increasingly prevailing currently on the market, the appearance of product can be made more beautiful in this technique,
It is easy to change color and spraying can not be had to.Pellet is taken out using shell and inner casing takes out pellet and processes to form key by double-material injection-molding technique
Cap can complete the one-pass molding of two kinds of raw materials in a double-color mold, save the cost of artificial post-processing, simplify production
Product procedure for producing, improves efficiency and production capacity, further increases economic benefit.
Wherein, the antioxidant is the mixture of one or both of antioxidant 1076 or irgasfos 168；
Wherein, the silicon systems light diffusing agent is organic siliconresin light diffusing agent.
ABS is synthesized by three kinds of acrylonitrile, butadiene and styrene chemical monomers.Every kind of monomer all has different characteristics:
Acrylonitrile has high-intensitive, thermal stability and chemical stability；Butadiene has toughness, impact property；Styrene has easy
Processing, best bright finish and high intensity.ABS material workability with super strength, appearance characteristics, low creep properties and excellent size
Stability and very high impact strength.ABS has excellent mechanical property, and impact strength is fabulous, can be extremely low
At a temperature of use；It can only be tensile failure ABS product is destroyed without being impact failure, this is that ABS height is tough
It is realistic, it remains to show certain toughness at -40 DEG C, can be used within the temperature range of -40-100 DEG C；Its wearability is excellent
It is good, good stability of the dimension and have oil resistivity；Its electrical insulating property is preferable, and is hardly influenced by temperature, humidity and frequency,
It can use in most circumstances.ABS resin can act normally in the environment of -25 DEG C -60 DEG C, and have good molding
Property, the product surface processed is bright and clean, easy to dye and plating, is widely used for the articles for daily use such as appliance shell, toy.
Antioxidant 1076 is β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid n-octadecyl alcohol ester, commonly referred to as anti-
Oxygen agent 1076；Molecular weight: 530.88；Fusing point: 50-52 DEG C；White crystalline powder.50-55 DEG C of fusing point, it is dissolved in benzene, acetone, ester
Class, it is not soluble in water.It is a kind of excellent antioxidant, has preferable heat-resisting and water-fast extraction ability, be widely used in polyolefin, poly- first
Aldehyde, ABS resin and various rubber and oil product effectively prevent material squeezing out the thermal-oxidative degradation in mixing process, effectively
Product transparency, impact strength and light transmittance are improved, product yellow is prevented.Antioxidant 168 is (bis- uncle of 2,4- of phosphorous acid three
Butyl benzene) ester, commonly referred to as irgasfos 168；Molecular mass: 646.93166；Fusing point: 181-184 DEG C of white crystalline powder melts
180-186 DEG C of point is dissolved in benzene, toluene, gasoline, not soluble in water and alcohols.The product are low volatility organic synthesis resistance to the oxygen inhibiting polymerization agent,
It is widely used in the synthesis and processing of all types of plastic such as polypropylene, polyethylene, ABS, poly- carbonic acid fiber and polyester resin, is effectively prevent
Material is squeezing out the thermal-oxidative degradation in mixing process, effectively improves product transparency, impact strength and light transmittance, prevents product
Yellow.
Machine silicone resin light diffusing agent, is the spherical micro mist of organic siliconresin, and refractive index (RI) about 1.43 is micro- with inorganic silicon class
Powder is compared, and has specific gravity small, lubricity, volatility and heat-resist feature.There is excellent light diffusing energy in ABS resin,
Light diffusion effect is 3-4 times higher than traditional organic light diffusing agent, while can reach the balance of mist degree and light transmittance point, with ABS
Resin has preferable compatibility, improves its astigmatism performance, and light-proofness is good.
MBS (Methyl methacrylate-Butadiene-Styrene) resin is methyl methacrylate (M), fourth
The terpolymer of diene (B) and styrene (S), it has typical nucleocapsid structure on submicro-morphological, and core is one
The rubber phase globose nucleus of diameter 10-100nm, outside are the shells of styrene and methyl methacrylate composition.MBS material can be with
It is interpreted as toughener, is the novel high polymer material synthesized under particle design concept, MBS resin has processing modified and toughening concurrently
Efficiency, outstanding shock resistance influences transparency small, and ABS resin can effectively be avoided by being easily worked it and mixing with ABS resin
Fragmentation improves the impact strength of ABS material, while can also improve the cold resistance and processing fluidity of product.Its
There is good dispersibility, and very small on the influence of matrix resin mobility in ABS resin, does not influence modified material later period note
Modeling processing；It is insensitive to shearing in injection molding process, so that modified material is had wider processing technology range.
Wherein, it is 1.5~1.7 that the index of refraction of the PMMA resin, which is the index of refraction of 1.4~1.6, PEG resin,.It is described
PMMA resin is polymethyl methacrylate, is molded resistance to thermal level, Vicat softening point is greater than 110 DEG C, in the condition of 200 DEG C/5Kg
Under, melt index is in 1.5~3.5g/min.The PEG resin is styrene-acrylonitrile copolymer, and wherein acrylonitrile contains
Amount is 15~24%, and Vicat softening point is greater than 105 DEG C.
A kind of production method of the keycap with stealthy character effect, this method are applied in all kinds of plane luminescence display characters
On the product of pattern.Such as luminous signboard, traffic sign etc., the Sign Board made by the above method, mark can emerge
But it is not dazzling.
The beneficial effects of the present invention are: it is compared with the prior art, the light-ray condensing that light source generates is arrived it by light transmission inner casing
Light-transmission character forms light and surrounding is irradiated into intaglio plate symbol portion, to make shading shell show character, due to hiding
Light shell can cover some light, weaken stimulation of the light intensity reduction to eyes, but since recessed portion compares outer surface of outer cover
Thin, light projects shading shell by plane of refraction, is equivalent to the feeling of lampshade light transmission, and the light of formation is more gentle and comfortable, but
The advantages that not influencing visual effect, outer surface of outer cover are frosting, so that light is changed into diffused ray and cast out, to realize
Light is soft, is evenly distributed, and effectively prevents the generation of glare.
In order to become apparent from character, shading shell does not need to paint, and key symbols are arranged in a manner of laser carving, silk-screen etc. to be hidden
The case surface of light shell, in this way, symbol is not easily to fall off and is erased, the long service life of keycap, stability in use is good, thus
Avoid the phenomenon that replacing the wasting of resources caused by keyboard due to the spray painting of keycap falls off.
Embodiment of above be only preferred embodiments of the present invention will be described, not to the scope of the present invention into
Row limits, and without departing from the spirit of the design of the present invention, this field ordinary engineering and technical personnel is to technical side of the invention
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (5)
1. a kind of production method of the keycap with stealthy character effect, includes the following steps:
Step 1: production injection molding double-color mould；
Step 2: prepare shell and take out pellet and inner casing pumping pellet；
Step 3: pellet will be taken out and process to form keycap by double-material injection-molding technique, wherein it includes following that the inner casing, which takes out pellet,
The material component of mass percent: 92-98.5% transparent ABS plastics, 0.5-5% pearl powder, 0.3-5% antioxidant, 0.3-7%
Silicon systems light diffusing agent；The shell takes out the material component that pellet includes following mass percent: 75~85%ABS plastics, 5~
10%PMMA resin, 3~8%PEG resin, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%MBS resin,
5-10% rutile titanium white powder, 0.1-1% multifunctional color master batch.
2. a kind of production method of keycap with stealthy character effect according to claim 1, it is characterised in that: also wrap
Include step 4: laser carving character carries out engraving character and pattern in key cap surface using laser.
3. a kind of production method of keycap with stealthy character effect according to claim 1, it is characterised in that: wherein
In step 3, injecting condition are as follows: injection temperature is 190 DEG C~150 DEG C, and injection pressure is 50kgf/cm2~70kgf/cm2, injection molding
Time is 30s~50s.
4. a kind of production method of keycap with stealthy character effect according to claim 2, it is characterised in that: wherein
In step 4, laser carving condition are as follows: mark frequency is 8000~12000hz, and launch time is 70s~90s, and mark speed is
800mm/s~1200mm/s.
5. a kind of production method of keycap with stealthy character effect according to claim 1, this method are applied each
On the product of the flat luminous display character pattern of class.
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| CN201710518947.5A CN107146727B (en) | 2017-06-30 | 2017-06-30 | The production method and production method application of keycap with stealthy character effect |
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| CN107146727B true CN107146727B (en) | 2019-10-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367040B (en) * | 2018-09-28 | 2021-06-04 | 东莞华晶粉末冶金有限公司 | Intelligent wearable shell and manufacturing method thereof |
| CN109968597A (en) * | 2019-03-26 | 2019-07-05 | 珠海市智迪科技股份有限公司 | A kind of keycap processing technology |
| CN113238606B (en) * | 2021-05-10 | 2022-11-08 | 青岛小鸟看看科技有限公司 | Infrared-transmitting shell capable of preventing light interference and infrared positioning handle |
| CN114773652B (en) * | 2022-03-23 | 2023-07-18 | 深圳市粤强佳俊实业有限公司 | Silica gel key with light-transmitting gradual-change scattering effect and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204390949U (en) * | 2015-01-17 | 2015-06-10 | 柯志伟 | The flighting schedule keycap of tape character window |
| CN105733171A (en) * | 2016-05-05 | 2016-07-06 | 合肥华凌股份有限公司 | Spray-free ABS (acrylonitrile butadiene styrene copolymers) material, spray-free ABS and ABS co-extruded decoration strip and refrigerator using decoration strip |
| CN205881764U (en) * | 2016-05-25 | 2017-01-11 | 徐孝海 | Key cap, luminous button and keyboard |
-
2017
- 2017-06-30 CN CN201710518947.5A patent/CN107146727B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204390949U (en) * | 2015-01-17 | 2015-06-10 | 柯志伟 | The flighting schedule keycap of tape character window |
| CN105733171A (en) * | 2016-05-05 | 2016-07-06 | 合肥华凌股份有限公司 | Spray-free ABS (acrylonitrile butadiene styrene copolymers) material, spray-free ABS and ABS co-extruded decoration strip and refrigerator using decoration strip |
| CN205881764U (en) * | 2016-05-25 | 2017-01-11 | 徐孝海 | Key cap, luminous button and keyboard |
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Effective date of registration: 20200331 Address after: 523000 New Road No. 57, well lane, Liaobu Town, Liaobu Town, Dongguan Patentee after: DONGGUAN OUXIDE PRECISION MOULD Co.,Ltd. Address before: The eight group of 437400 Xianning city of Hubei Province Tongcheng County North Town Square Village Patentee before: Hu Shijin |