CN102412080B - Film with bulge for computer keyboard or flexible printed circuit and bulge forming process thereof - Google Patents
Film with bulge for computer keyboard or flexible printed circuit and bulge forming process thereof Download PDFInfo
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- CN102412080B CN102412080B CN201010291261.5A CN201010291261A CN102412080B CN 102412080 B CN102412080 B CN 102412080B CN 201010291261 A CN201010291261 A CN 201010291261A CN 102412080 B CN102412080 B CN 102412080B
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- bulge
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Abstract
The invention relates to the technical field of production of input equipment, in particular to a bulge forming process of a film with a bulge for a computer keyboard or a flexible printed circuit. A light transmission hole is arranged at the top part of the bulge; and light shading film materials are attached on the upper surface or the lower surface of the bulge per se. The bulge forming process comprises the following steps of: firstly, designing a bulge forming mould according to the materials required to be formed, the bulge shape and the dimension and determining the parameters of a key part of the forming mould; secondly, carrying out bulge forming to the materials required to be formed by using the bulge forming mould; and finally, after the completion of bulge forming, punching the light transmission hole at the top part of the bulge by adopting a punching mould, wherein the position of the light transmission hole is corresponding to the key center of the keyboard. The invention has the beneficial effect that a traditional lampshade and foam are replaced by the shape of the bulge to shield an accumulated light ray so as to realize the attractive overall appearance of the keyboard, shorten the production process, improve the production efficiency and reduce the production reject ratio and the production cost.
Description
Technical field
The present invention relates to input equipment production technical field, relate in particular a kind of protruding moulding process with protruding computer keyboard film or flexible circuitry.
Background technology
In keyboard production process, generally adopt and on film or flexible circuitry, need the part of light leak to paste other materials such as light trap, foam at present, light is appeared in particular bore from lampshade or foam and reach the effect of building up light, keycap bright light.Tradition silica gel lampshade is to adopt silica gel material to be made by moulding, and because of its planform relative complex, and mould and die accuracy requirement itself is very high, so mechanism's shape and size precision is just difficult to control, die cost is also very high; The size of the material such as lampshade, foam own is less, not easy to operate in the time pasting production with film, must paste time-consuming taking a lot of work; Silica gel, foam Material texture is softer again good elasticity, is difficult to accomplish precisely, so easily produce position skew in the time producing on location; Loophole edge on lampshade is with little burr in the time making, and light has shadow from aperture transmits, and affects light intensity and transparency range, and after assemblying keyboard, affects the feel of keyboard itself because of the good factor of itself material elasticity.It is more that this type of technology is produced consumption material at present, and production process is longer, and precision is difficult to control, and cost is also very high, and production timeliness is lower.
Summary of the invention
In order to solve the problem of above-mentioned existence, the object of the present invention is to provide a kind of with protruding computer keyboard film or flexible circuitry and protruding moulding process thereof, adopt desirable shape to replace traditional lampshade, foam to cover accumulation light, realize the aesthetic property of keyboard overall appearance, to shorten production process, promote production timeliness, reduce and produce fraction defective, production cost is declined.
To achieve these goals, the present invention is by the following technical solutions:
With film or flexible circuitry for protruding computer keyboard, the top of described projection has loophole.
Preferably, described projection above or post shading film material below.
Protruding moulding process with protruding computer keyboard with film or flexible circuitry, comprises the steps:
(a) raise into mould according to the material, convex shape and the size design that need moulding and be specified to the parameter of mould key position;
(b) use and raise into mould the material that needs moulding is carried out to protruding forming processes;
(c) protruding moulding adopts punching die punching loophole after completing at its top.
Preferably, the described mould that raises into comprises two relative die holders, the relative inner of two die holders is respectively provided with one deck thermal insulation board, above being positioned at the thermal insulation board that raises into mould bottom, be provided with punch clamping plate, below being positioned at the thermal insulation board that raises into mould top, be provided with die clamping plate, the two ends of described punch clamping plate are respectively provided with a guide pillar, between two guide pillars, be provided with punch, the two ends of die clamping plate are respectively provided with a guide pin bushing, between two guide pin bushings, be provided with die, on punch clamping plate and die clamping plate, be equipped with heat hole and temperature detection hole, the below of die clamping plate is provided with stripper plate, between stripper plate and punch clamping plate, be provided with spring, described spring is fixed on punch clamping plate.
Preferably, in the forming processes of described step (b), adopt adjustable speed-changing punch press, governing speed makes to need the material Uniform Tension aftershaping of moulding, produces projection; In forming process, the material that needs moulding is adopted to the method for localized heating, temperature as required moulding material difference and determine, and take independent control; After material production projection, still need projection to keep certain pressure, and certain time, under described pressure and time, make projection stablize moulding.
Film or flexible circuitry for computer keyboard that method of the present invention is manufactured, replace traditional other material such as dependence stickup lampshade, foam and come collected light, shield lights and stable light scope, beautify keyboard bright light effect and strengthened light texture, cancel in process of production the consumption of lampshade, foam material, cancel the production process in early stage of traditional lampshade, foam, save the operation of pasting of traditional lampshade, foam, shorten procedure for producing, promote production timeliness, reduce production fraction defective, production cost is declined to a great extent.
Brief description of the drawings
Fig. 1 is the schematic diagram of product of the present invention;
Fig. 2 is the mould schematic diagram that raises into of the present invention;
Fig. 3 is protruding forming process schematic diagram of the present invention.
101. projections in figure, 102. shading holes, 103. shading film materials, 201. die holders, 202. thermal insulation boards, 203. punch clamping plate, 204. die clamping plate, 205. guide pillars, 206. guide pin bushings, 207. dies, 208. holes of heating, 209. punch, 210. temperature detection holes, 211. stripper plates, 212. springs.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is made to further description explanation.
Embodiment as shown in Figure 1, a kind of with film or flexible circuitry for protruding computer keyboard, top in projection 101 has loophole 102, light orientation from loophole 102 appears, direct projection keyboard cover, in order to replace traditional stickup lampshade, other material such as foam is realized collected light, shield lights, stablize light scope, and beautify the bright light effect of keyboard and strengthened light texture, projection 101 above or below post shading film material 103, affect spotlight effect to prevent that light large area from appearing, the appearance property of light intensity and keyboard bright light.
One is film or the protruding moulding process of flexible circuitry self for computer keyboard, comprises the steps:
First, according to needing the material of moulding, protruding 101 shapes and size design to raise into mould and being specified to the parameter of mould key position;
Next, use raises into mould the material that needs moulding is carried out to protruding forming processes;
Finally, adopt punching die punching loophole 102 after protruding moulding completes at its top, the position of loophole 102 is corresponding with keyboard center.
As shown in Figure 2, in carrying out protruding forming processes, the mould that raises into adopting comprises two relative die holders 201, the relative inner of two die holders 201 is respectively provided with one deck thermal insulation board 202, can prevent the loss of the heat in mould, energy savings consumes, save production cost, be positioned at thermal insulation board 202 tops that raise into mould bottom and be provided with punch clamping plate 203, be positioned at thermal insulation board 202 belows that raise into mould top and be provided with die clamping plate 204, the two ends of punch clamping plate 203 are respectively provided with a guide pillar 205, between two guide pillars 205, be provided with punch 209, the two ends of die clamping plate 204 are respectively provided with a guide pin bushing 206, between two guide pin bushings 206, be provided with die 207, on punch clamping plate 203 and die clamping plate 204, be equipped with heat hole 208 and temperature detection hole 210, punch 209 and die 207 are mutual identical structural design, it is the key in molding procedure, the below of die clamping plate 204 is provided with stripper plate 211, between stripper plate 211 and punch clamping plate 203, be provided with two springs 212, spring 212 is fixed on punch clamping plate 203, lay respectively near the inner side of two guide pillars 205, the setting of spring 212 is for conveniently in carrying out forming processes, can control easily and regulate in forming process moulding material applied pressure.
In the middle of the process of forming processes, adopt adjustable speed-changing punch press.Protruding forming process as shown in Figure 3, in draw stage, to needing the certain pressure of applying of moulding material, make to need the material uniform stressed after-drawing moulding of moulding, along with identical intensification between punch 209 and die 207, spring 212 between stripper plate 211 and punch clamping plate 203 is due to deformation occurring, the elastic force producing will be increasing, punch press speed will be slack-off gradually, when elastic force increases to identical with pressure time, will produce required projection 101, in forming process, the material that needs moulding is adopted to the method for localized heating, temperature as required moulding material difference and determine, and take independent control, after material production projection 101, still need projection 101 to keep certain pressure, and certain time, under described pressure and time, make projection stablize moulding.
The present invention can replace traditional dependence to paste lampshade and foam building up the design of keyboard light, because projection 101 is the projections 101 that go out certain altitude and shape from film or the straight forming of flexible circuitry own, paste lampshade and foam raised position is better controlled with respect to tradition; Again because itself material can be selected harder and on-deformable material, therefore the bossing after moulding is not yielding; And because itself material is harder and inelastic characteristic, adopt Dies ' Blanking loophole 102, not only easily make, good, the shape of timeliness easily controls, and loophole edge is without burr, lousiness, it is all fixing that light therefrom appears rear shape, intensity and scope, light position stability, consistent, the indifference of keycap bright light intensity after assemblying keyboard, keyboard appearance is more attractive in appearance; And because of shape itself nonelastic after its projection, so do not affect performance and the feel of keyboard itself.Cancel in process of production the consumption of lampshade, foam material, cancelled the production process in early stage of traditional lampshade, foam, save the operation of pasting of traditional lampshade, foam, shorten procedure for producing, promote production timeliness, reduced production fraction defective, production cost is declined to a great extent.
Above-described is only optimal way of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, within these also should be considered as protection scope of the present invention.
Claims (1)
1. the protruding moulding process with film or flexible circuitry with protruding computer keyboard, is characterized in that, comprises the steps:
(a) raise into mould according to the material, convex shape and the size design that need moulding and be specified to the parameter of mould key position;
(b) use and raise into mould the material that needs moulding is carried out to protruding forming processes;
(c) protruding moulding adopts punching die punching loophole after completing at its top, the described mould that raises into comprises two relative die holders, the relative inner of two die holders is respectively provided with one deck thermal insulation board, above being positioned at the thermal insulation board that raises into mould bottom, be provided with punch clamping plate, below being positioned at the thermal insulation board that raises into mould top, be provided with die clamping plate, the two ends of described punch clamping plate are respectively provided with a guide pillar, between two guide pillars, be provided with punch, the two ends of die clamping plate are respectively provided with a guide pin bushing, between two guide pin bushings, be provided with die, on punch clamping plate and die clamping plate, be equipped with heat hole and temperature detection hole, the below of die clamping plate is provided with stripper plate, between stripper plate and punch clamping plate, be provided with spring, described spring is fixed on punch clamping plate,
In the forming processes of described step (b), adopt adjustable speed-changing punch press, governing speed makes to need the material Uniform Tension aftershaping of moulding, produces projection; In forming process, the material that needs moulding is adopted to the method for localized heating, temperature as required moulding material difference and determine, and take independent control; After material production projection, still need projection to keep pressure, and the duration, under described pressure and time, make projection stablize moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010291261.5A CN102412080B (en) | 2010-09-26 | 2010-09-26 | Film with bulge for computer keyboard or flexible printed circuit and bulge forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010291261.5A CN102412080B (en) | 2010-09-26 | 2010-09-26 | Film with bulge for computer keyboard or flexible printed circuit and bulge forming process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102412080A CN102412080A (en) | 2012-04-11 |
| CN102412080B true CN102412080B (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010291261.5A Expired - Fee Related CN102412080B (en) | 2010-09-26 | 2010-09-26 | Film with bulge for computer keyboard or flexible printed circuit and bulge forming process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102412080B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681066B (en) * | 2013-11-15 | 2015-12-30 | 苏州达方电子有限公司 | A kind of keyboard |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328331A (en) * | 2000-06-10 | 2001-12-26 | 沛鸿电子(深圳)有限公司 | Light-transmission metallic push button and its making method |
| CN2680371Y (en) * | 2004-02-26 | 2005-02-23 | 北新建材(集团)有限公司 | Nitrogen spring embossing mould structure |
| CN101357500A (en) * | 2007-07-31 | 2009-02-04 | 深圳市群达行精密模具有限公司 | Inset decoration injection molding method and film hot compacting and cutting integration mold |
| CN201196914Y (en) * | 2007-12-26 | 2009-02-18 | 纬创资通股份有限公司 | Illuminant keyboard |
| CN101677038A (en) * | 2008-09-19 | 2010-03-24 | 深圳富泰宏精密工业有限公司 | backlight keyboard |
| CN201876812U (en) * | 2010-09-26 | 2011-06-22 | 苏州捷宝精密橡胶有限公司 | Film with bulge for computer keyboard |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010092738A (en) * | 2008-10-08 | 2010-04-22 | Sumitomo Electric Printed Circuit Inc | Light guide sheet, wiring module, and electronic equipment |
| CN201413783Y (en) * | 2009-06-16 | 2010-02-24 | 纬创资通股份有限公司 | Button assembly having illumination device and electronic device |
| CN201517740U (en) * | 2009-09-24 | 2010-06-30 | 嘉兴淳祥电子科技有限公司 | LED lightproof shade |
-
2010
- 2010-09-26 CN CN201010291261.5A patent/CN102412080B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328331A (en) * | 2000-06-10 | 2001-12-26 | 沛鸿电子(深圳)有限公司 | Light-transmission metallic push button and its making method |
| CN2680371Y (en) * | 2004-02-26 | 2005-02-23 | 北新建材(集团)有限公司 | Nitrogen spring embossing mould structure |
| CN101357500A (en) * | 2007-07-31 | 2009-02-04 | 深圳市群达行精密模具有限公司 | Inset decoration injection molding method and film hot compacting and cutting integration mold |
| CN201196914Y (en) * | 2007-12-26 | 2009-02-18 | 纬创资通股份有限公司 | Illuminant keyboard |
| CN101677038A (en) * | 2008-09-19 | 2010-03-24 | 深圳富泰宏精密工业有限公司 | backlight keyboard |
| CN201876812U (en) * | 2010-09-26 | 2011-06-22 | 苏州捷宝精密橡胶有限公司 | Film with bulge for computer keyboard |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-92738A 2010.04.22 |
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| Publication number | Publication date |
|---|---|
| CN102412080A (en) | 2012-04-11 |
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| ASS | Succession or assignment of patent right |
Owner name: INJECTION PRECISE RUBBER (SUZHOU) CO., LTD. Free format text: FORMER OWNER: SUZHOU ZIEBAO PRECISION RUBBER CO., LTD. Effective date: 20130315 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130315 Address after: Song Ling Zhen Hua Xing Lu Suzhou city in Jiangsu province Wujiang City, No. 8, 215000 Applicant after: Jason precision rubber (Suzhou) Co. Ltd. Address before: Wujiang City, Suzhou City, Jiangsu province 215000 Huagang Road Economic Development Zone No. 956 Applicant before: Suzhou Jiebao Precision Rubber Co.,Ltd. |
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Granted publication date: 20140730 Termination date: 20150926 |
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