CN107146727A - Keycap and its production method with stealthy character effect, production method application - Google Patents
Keycap and its production method with stealthy character effect, production method application Download PDFInfo
- Publication number
- CN107146727A CN107146727A CN201710518947.5A CN201710518947A CN107146727A CN 107146727 A CN107146727 A CN 107146727A CN 201710518947 A CN201710518947 A CN 201710518947A CN 107146727 A CN107146727 A CN 107146727A
- Authority
- CN
- China
- Prior art keywords
- keycap
- inner casing
- shell
- production method
- character effect
- 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.)
- Granted
Links
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000007639 printing Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 22
- 239000011347 resin Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 20
- 239000008188 pellet Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 10
- 239000003963 antioxidant agent Substances 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000004595 color masterbatch Substances 0.000 claims description 3
- 239000000686 essence Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 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 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 description 5
- 238000012545 processing Methods 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
- 239000000203 mixture Substances 0.000 description 4
- -1 octadecanol ester Chemical class 0.000 description 4
- 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 4
- 230000009467 reduction 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
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
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- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 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
- 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 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 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
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 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
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000000243 solution Substances 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
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002699 waste 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 the keycap with stealthy character effect and its production method, production method application, including shading shell and printing opacity inner casing, described printing opacity inner casing is with thickness of the shell in an inner casing outer surface, an inner casing inner surface and one, and the inner casing outer surface is provided with least one translucent symbol portion and a flat part with microprotrusion；Wherein, there is the translucent symbol portion of microprotrusion to have an evagination light transmitting surface and an indent light transmitting surface for this, it is to produce third dimension and produce broader light range of refractive, 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 shell outer surface depressions so that outer casing thickness reduces and forms intaglio plate symbol portion.Shading shell of the present invention is by secretly carving character pattern, and when being lighted in keycap, shading shell shows character pattern, regardless of light conditions, can see character on keycap, it is not necessary to mimeograph, environmentally friendly and durable, it is often more important that not hinder eyes.
Description
Technical field
The present invention relates to computer fittings field, espespecially a kind of keycap and its production method with stealthy character effect,
Production method application.
Background technology
The button of electronic equipment is button, electronic equipment button in most common instruction input mode, such as keyboard, automobile
Deng wherein keyboard is most common computer entry device, can be defeated by English alphabet, numeral, punctuation mark etc. by keyboard
Enter into computer, so as to send order, input data etc. to computer etc..In order to meet the demand of development, keyboard developer
Begin one's study multi-functional keyboard, and the important product of one type is illuminated keyboard, and illuminated keyboard is mainly reflected in keyboard,
Also button letter can be seen in the case of can not turned 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 printing opacity, the shortcoming of this sample loading mode is when hand is typewrited, easily to wear away the paint for being sprayed on key cap surface, word of erasing
Body；And after font is erased, cause user to be beyond recognition and normally use keyboard, serious waste resource.Or keycap
The direct laser carving in surface penetrates character, and light is directly projected from penetrating character, easy pierce eyes.
The content of the invention
To solve the above problems, the present invention provides a kind of keycap with stealthy character effect and its production method, production
Method application.
To achieve the above object, the present invention, which is adopted the following technical scheme that, is：Aim to solve the problem that in the prior art, there is keycap
The spray painting on surface is easy to fall off after a long time use, causes symbol to recognize, user is beyond recognition and normally uses keyboard,
Cause the defect of the wasting of resources, the present invention by secretly being carved characters symbol in shading inner surface of outer cover, shading shell become it is very thin so that
Anaclasis shows character, and light becomes soft without hindering eyes through reflecting.
A kind of keycap with stealthy character effect that the present invention is provided, the illuminated keyboard of light source is built-in with for being assembled in
On, including shading shell and printing opacity inner casing, shading shell constitute the shell of keycap, and the shading shell is set in printing opacity inner casing
On, described printing opacity inner casing is with thickness of the shell in an inner casing outer surface, an inner casing inner surface and one, and the inner casing outer surface is provided with extremely
Few one has the translucent symbol portion and a flat part of microprotrusion；Wherein, the translucent symbol portion that should have microprotrusion has an evagination
Light transmitting surface and an indent light transmitting surface, it is to produce third dimension and produce broader light range of refractive, 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
Reduce outer casing thickness and form intaglio plate symbol portion, described translucent symbol portion is fitted in intaglio plate symbol portion, described printing opacity
The faying face formation plane of refraction in symbol portion and intaglio plate symbol portion.The third dimension in its translucent symbol portion is splendid, and translucent symbol portion
Visual range is larger.
Preferably, described shading shell and printing opacity inner casing be by double-material jet formation or molded mode one into
Type.
Preferably, the cross section of described shading shell gradually increases from top surface to bottom surface.
Preferably, the printing opacity inner casing is provided with key axle accommodating chamber.
Preferably, the outer surface of outer cover is frosting, light is changed into diffused ray and casts out, so as 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, comprises the following steps：
Step one：Make injection molding double-color mould；
Step 2：Preparation shell takes out pellet and inner casing takes out pellet,
Step 3：Pellet will be taken out to process to form keycap by double-material injection-molding technique, wherein, described inner casing takes out pellet including following
The material component of mass percent：92-98.5% transparent ABSs plastics, 0.5-5% pearl essences, 0.3-5% antioxidant, 0.3-7% silicon
It is light diffusing agent；Described shell, which takes out pellet, includes the material component of following mass percent：75~85%ABS plastics, 5~10%
PMMA resins, 3~8%PEG resins, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%MBS resins, 5-10% gold
Red stone titanium dioxide, 0.1-1% multifunctional color master batches.
Wherein, in addition to step 4：Laser carving character, engraving character and pattern are carried out using laser in key cap surface.
Wherein, in step 2, injecting condition is：Injection temperature is 190 DEG C ~ 150 DEG C, and injection pressure is 50kgf/cm2~70
kgf/cm2, injection time is 30s ~ 50s.
Wherein, in step 4, laser carving condition is:Mark frequency is 8000 ~ 12000hz, and launch time is 70s ~ 90s, is beaten
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, the index of refraction of the PMMA resins is that the index of refraction of 1.4 ~ 1.6, PEG resins is 1.5 ~ 1.7.It is described
PMMA resins are polymethyl methacrylates, are molded resistance to thermal level, its Vicat softening point is more than 110 DEG C, 200 DEG C/5Kg's
Under the conditions of, its melt index is in 1.5 ~ 3.5g/min.The PEG resins are SAN, wherein acrylonitrile
Content be 15 ~ 24%, Vicat softening point be more than 105 DEG C.
A kind of production method of the keycap with stealthy character effect, this method is 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 is produced is arrived it by printing opacity inner casing
Light-transmission character, forms light and surrounding is irradiated into intaglio plate symbol portion, so that shading shell shows character, due to hiding
Light shell can cover some light, weaken stimulation of the light intensity reduction to eyes, but because depressed part compares outer surface of outer cover
Thin, light projects shading shell by plane of refraction, equivalent to the sensation of lampshade printing opacity, and the light of formation is more gentle, comfortable, but
The advantages of not influenceing visual effect, outer surface of outer cover is frosting, light is changed into diffused ray and casts out, so as to realize
Light is soft, is evenly distributed, and effectively prevent the generation of glare.
In order that character becomes apparent from, shading shell need not paint, and key symbols are arranged on screening with modes such as laser carving, silk-screens
The case surface of light shell, so, symbol is difficult for drop-off and is erased, and the service life of keycap is long, and stability in use is good, so that
Avoid because the spray painting of keycap comes off change keyboard caused by the wasting of resources phenomenon.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is the shading outer casing construction drawing of the present invention.
Fig. 3 is the printing opacity inner casing configuration figure of the present invention.
Fig. 4 is the printing opacity inner casing cutaway view of the present invention.
Mark explanation：1. shading shell;11. outer surface of outer cover；12. inner surface of outer cover；13. outer casing thickness;14. intaglio plate
Symbol portion;2. printing opacity inner casing；21. inner casing outer surface；22. inner casing inner surface；23. in thickness of the shell;24. translucent symbol portion；25 is flat
Smooth portion；3. plane of refraction.
Embodiment
Refer to shown in Fig. 1-4, the present invention is built-in with a kind of keycap with stealthy character effect for being assembled in
On the illuminated keyboard of light source, including shading shell and printing opacity inner casing, the shell of shading shell composition keycap, the shading casing
It is located on printing opacity inner casing, described printing opacity inner casing is with thickness of the shell, the inner casing in an inner casing outer surface, an inner casing inner surface and one
Outer surface is provided with least one translucent symbol portion and a flat part with microprotrusion；Wherein, should the translucent symbol with microprotrusion
Portion has an evagination light transmitting surface and an indent light transmitting surface, and it reflects model to produce third dimension and produce broader light
Enclose, 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
Surface indentation is so that outer casing thickness reduces and forms intaglio plate symbol portion, and described translucent symbol portion is fitted in intaglio plate symbol portion,
The faying face formation plane of refraction in described translucent symbol portion and intaglio plate symbol portion.The third dimension in its translucent symbol portion is splendid, and thoroughly
The visual range in optical character portion is larger.
Preferably, described shading shell and printing opacity inner casing be by double-material jet formation or molded mode one into
Type.It is integrally formed reduction assembly program, and the keycap uniform specification formed, reduction defective products is produced, and can reach waterproof effect,
It is also good using texture.
Preferably, the cross section of described shading shell gradually increases from top surface to bottom surface.
Preferably, the printing opacity inner casing is provided with key axle accommodating chamber.
Preferably, the outer surface of outer cover is frosting, light is changed into diffused ray and casts out, so as 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, comprises the following steps：
Step one：Make injection molding double-color mould；
Step 2：Preparation shell takes out pellet and inner casing takes out pellet,
Step 3：Pellet will be taken out to process to form keycap by double-material injection-molding technique, wherein, described inner casing takes out pellet including following
The material component of mass percent：92-98.5% transparent ABSs plastics, 0.5-5% pearl essences, 0.3-5% antioxidant, 0.3-7% silicon
It is light diffusing agent；Described shell, which takes out pellet, includes the material component of following mass percent：75~85%ABS plastics, 5~10%
PMMA resins, 3~8%PEG resins, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%MBS resins, 5-10% gold
Red stone titanium dioxide, 0.1-1% multifunctional color master batches.
Wherein, in addition to step 4：Laser carving character, engraving character and pattern are carried out using laser in key cap surface.
Wherein, in step 2, injecting condition is：Injection temperature is 190 DEG C ~ 150 DEG C, and injection pressure is 50kgf/cm2~70
kgf/cm2, injection time is 30s ~ 50s.
Wherein, in step 4, laser carving condition is:Mark frequency is 8000 ~ 12000hz, and launch time is 70s ~ 90s, is beaten
Mark speed is 800mm/s ~ 1200mm/s.
Double-color mold：Two kinds of plastic materials are molded on same injection machine, are molded in two times, but product depanning one
Secondary double-color mold.General this moulding technology is also double-material injection-molding, is generally completed by a set of double-color mold, and needs specially
Double coloured plastic injection machine.Double-colored double-color mold is increasingly prevailing in the market, can make the outward appearance of product more beautiful in this technique,
Be easy to change color and can be without spraying.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-shot forming 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 efficiency.
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 acrylonitrile, three kinds of chemical monomers of butadiene and styrene.Every kind of monomer all has different qualities：
Acrylonitrile has high intensity, heat endurance and chemical stability；Butadiene has toughness, impact property；Styrene has easy
Processing, best bright finish and high intensity.ABS materials have superpower workability, appearance characteristics, low creep properties and excellent chi
Very little stability and very high impact strength.ABS has excellent mechanical property, and its impact strength is fabulous, can be extremely low
At a temperature of use；Even if ABS products it is destroyed also can only be tensile failure without being impact failure, this is ABS height
Tough is realistic, remains to show certain toughness at -40 DEG C, can be used within the temperature range of -40-100 DEG C；Its wearability
It is excellent, good stability of the dimension and with oil resistivity；Its electrical insulating property is preferable, and hardly by the shadow of temperature, humidity and frequency
Ring, can use in most circumstances.ABS resins can act normally in the environment of -25 DEG C -60 DEG C, and have very well
Mouldability, the product surface processed is bright and clean, it is easy to dyeing and electroplate, and is widely used for commonly using the days such as appliance shell, toy
Product.
Antioxidant 1076 be β-（3,5- di-t-butyl -4- hydroxy phenyls）The positive octadecanol ester of propionic acid, commonly referred to as
Antioxidant 1076；Molecular weight：530.88 ；Fusing point：50-52℃ ；White crystalline powder.50-55 DEG C of fusing point, is dissolved in benzene, third
Ketone, esters, it is water insoluble.It is a kind of excellent antioxidant, has preferably heat-resisting and water-fast extraction ability, be widely used in polyene
Hydrocarbon, polyformaldehyde, ABS resins and various rubber and oil product, effectively prevent hot oxygen drop of the material in extrusion mixing process
Solution, effectively improves product transparency, impact strength and light transmittance, prevents product yellow.Antioxidant 168 is phosphorous acid three
（2,4- di-tert-butyls）Ester, commonly referred to as irgasfos 168；Molecular mass：646.93166 ；Fusing point：181-184 DEG C of white
Crystalline powder, 180-186 DEG C of fusing point is dissolved in benzene, toluene, gasoline, water insoluble and alcohols.The product are low volatility organic synthesis
Resistance to the oxygen inhibiting polymerization agent, is widely used in the synthesis of all types of plastic such as polypropylene, polyethylene, ABS, poly- carbonic acid fiber and polyester resin with adding
Work, effectively prevents thermal-oxidative degradation of the material in extrusion mixing process, effectively improves product transparency, impact strength and printing opacity
Degree, prevents product yellow.
Machine silicones light diffusing agent, is the spherical micro mist of organic siliconresin, refractive index（RI）About 1.43, with inorganic silicon class
Micro mist is compared, small with proportion, lubricity, volatility and it is heat-resist the characteristics of.There is excellent light diffusing in ABS resins
Can, light diffusion effect is higher 3-4 times than traditional organic light diffusing agent, while the balance of mist degree and light transmittance point can be reached, its
There is preferable compatibility with ABS resins, improve its astigmatism performance, light-proofness is good.
MBS（Methyl methacrylate-Butadiene-Styrene）Resin is methyl methacrylate（M）, fourth
Diene（B）And styrene（S）Terpolymer, it on submicro-morphological have typical core-shell structure, core is one
Individual diameter 10-100nm rubber phase globose nucleus, outside is the shell of styrene and methyl methacrylate composition.MBS materials
Toughener is can be understood as, is the novel high polymer material synthesized under particle design concept, MBS resins have concurrently processing modified
And toughness reinforcing efficiency, outstanding shock resistance, small is influenceed on transparency, being easily worked it can be prevented effectively from ABS mixed with resin
ABS resin Fragmentations, improve the impact strength of ABS materials, while can also improve the cold resistance and processing stream of product
Dynamic property.It has good dispersiveness in ABS resins, and influences very small to matrix resin mobility, does not influence to be modified
Material later stage injection molding；It is insensitive to shearing in injection molding process, modified material is possessed wider processing technology model
Enclose.
Wherein, the index of refraction of the PMMA resins is that the index of refraction of 1.4 ~ 1.6, PEG resins is 1.5 ~ 1.7.It is described
PMMA resins are polymethyl methacrylates, are molded resistance to thermal level, its Vicat softening point is more than 110 DEG C, 200 DEG C/5Kg's
Under the conditions of, its melt index is in 1.5 ~ 3.5g/min.The PEG resins are SAN, wherein acrylonitrile
Content be 15 ~ 24%, Vicat softening point be more than 105 DEG C.
A kind of production method of the keycap with stealthy character effect, this method is applied in all kinds of plane luminescence display characters
On the product of pattern.Such as luminous signboard, traffic indication board, the Sign Board made by the above method, mark can emerge
But it is dazzling.
The beneficial effects of the present invention are：It is compared with the prior art, the light-ray condensing that light source is produced is arrived it by printing opacity inner casing
Light-transmission character, forms light and surrounding is irradiated into intaglio plate symbol portion, so that shading shell shows character, due to hiding
Light shell can cover some light, weaken stimulation of the light intensity reduction to eyes, but because depressed part compares outer surface of outer cover
Thin, light projects shading shell by plane of refraction, equivalent to the sensation of lampshade printing opacity, and the light of formation is more gentle, comfortable, but
The advantages of not influenceing visual effect, outer surface of outer cover is frosting, light is changed into diffused ray and casts out, so as to realize
Light is soft, is evenly distributed, and effectively prevent the generation of glare.
In order that character becomes apparent from, shading shell need not paint, and key symbols are arranged on screening with modes such as laser carving, silk-screens
The case surface of light shell, so, symbol is difficult for drop-off and is erased, and the service life of keycap is long, and stability in use is good, so that
Avoid because the spray painting of keycap comes off change keyboard caused by the wasting of resources phenomenon.
Embodiment of above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is entered
Row is limited, on the premise of design spirit of the present invention is not departed from, technical side of this area ordinary skill technical staff to the present invention
In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.
Claims (10)
1. a kind of keycap with stealthy character effect, be built-in with the keyboard of light source for being assembled in, including shading shell and
Printing opacity inner casing, the shading shell is set on printing opacity inner casing, it is characterised in that：Described printing opacity inner casing has an inner casing appearance
Thickness of the shell in face, an inner casing inner surface and one, the inner casing outer surface provided with least one have microprotrusion translucent symbol portion and
One flat part；The shading shell has 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 so that outer casing thickness reduces and forms intaglio plate symbol portion, the translucent symbol portion patch with microprotrusion
Close in intaglio plate symbol portion.
2. a kind of keycap with stealthy character effect according to claim 1, it is characterised in that：Described shading shell
With printing opacity inner casing it is integrally formed by double-material jet formation or molded mode.
3. a kind of keycap with stealthy character effect according to claim 1, it is characterised in that：The outer surface of outer cover
For frosting.
4. a kind of keycap with stealthy character effect according to claim 1, it is characterised in that：Described shading shell
Cross section gradually increase from top surface to bottom surface.
5. a kind of keycap with stealthy character effect according to claim 1, it is characterised in that：The printing opacity inner casing is set
There is key axle accommodating chamber.
6. a kind of production method of the keycap with stealthy character effect, it is characterised in that：Comprise the following steps：
Step one：Make injection molding double-color mould；
Step 2：Preparation shell takes out pellet and inner casing takes out pellet,
Step 3：Pellet will be taken out to process to form keycap by double-material injection-molding technique, wherein, described inner casing takes out pellet including following
The material component of mass percent：92-98.5% transparent ABSs plastics, 0.5-5% pearl essences, 0.3-5% antioxidant, 0.3-7% silicon
It is light diffusing agent；Described shell, which takes out pellet, includes the material component of following mass percent：75~85%ABS plastics, 5~10%
PMMA resins, 3~8%PEG resins, 0.1-2% antioxidant, 0.1-6% silicon systems light diffusing agent, 0.1-4%MBS resins, 5 10% gold medals
Red stone titanium dioxide, 0.1 1% multifunctional color master batch.
7. a kind of production method of keycap with stealthy character effect according to claim 6, it is characterised in that：Also wrap
Include step 4：Laser carving character, engraving character and pattern are carried out using laser in key cap surface.
8. a kind of production method of keycap with stealthy character effect according to claim 6, it is characterised in that：Wherein
In step 2, injecting condition is：Injection temperature is 190 DEG C ~ 150 DEG C, and injection pressure is the kgf/cm2 of 50kgf/cm2 ~ 70, injection
Time is 30s ~ 50s.
9. a kind of production method of keycap with stealthy character effect according to claim 7, it is characterised in that:Wherein
In step 4, laser carving condition is:Mark frequency is 8000 ~ 12000hz, and launch time is 70s ~ 90s, and mark speed is 800mm/
s~1200mm/s。
10. a kind of production method of keycap with stealthy character effect according to claim 6, this method is applied each
On the product of the flat luminous display character pattern of class.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367040A (en) * | 2018-09-28 | 2019-02-22 | 东莞华晶粉末冶金有限公司 | Intelligence wearing face-piece and preparation 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 |
| CN113238606A (en) * | 2021-05-10 | 2021-08-10 | 青岛小鸟看看科技有限公司 | Infrared-transmitting shell capable of preventing light interference and infrared positioning handle |
| CN114773652A (en) * | 2022-03-23 | 2022-07-22 | 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367040A (en) * | 2018-09-28 | 2019-02-22 | 东莞华晶粉末冶金有限公司 | Intelligence wearing face-piece and preparation method thereof |
| 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 |
| CN113238606A (en) * | 2021-05-10 | 2021-08-10 | 青岛小鸟看看科技有限公司 | Infrared-transmitting shell capable of preventing light interference and infrared positioning handle |
| 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 |
| CN114773652A (en) * | 2022-03-23 | 2022-07-22 | 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 |
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| Publication number | Publication date |
|---|---|
| CN107146727B (en) | 2019-10-18 |
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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 |