CN1149596C - Manufacture of integral elastic sheet for computer keyboard - Google Patents
Manufacture of integral elastic sheet for computer keyboard Download PDFInfo
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- CN1149596C CN1149596C CNB001022164A CN00102216A CN1149596C CN 1149596 C CN1149596 C CN 1149596C CN B001022164 A CNB001022164 A CN B001022164A CN 00102216 A CN00102216 A CN 00102216A CN 1149596 C CN1149596 C CN 1149596C
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- elastic sheet
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Abstract
The present invention relates to a method for manufacturing an integral elastic element used for a computer keyboard. A plurality of elastic monomers are aligned by a managing tool and are adsorbed and positioned by a vacuum adsorbing device, and simultaneously, a base board is glued in a screen printing mode, and a plurality of glue spreading regions in a hollow annular ring shape are arranged on the base board; then, the base board is covered above the managing tool to cause the glue spreading regions to be mutually attached with the flanges of the elastic monomers, and a vacuum adsorption device is used for blowing the base board and the elastic monomers, which are integrally consolidated, away from the managing tool; after the base board and the elastic monomers are dried for a proper time, a finished product of an integral elastic element can be obtained. The manufacturing method has the advantages of easy manufacture and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of computor-keyboard structure, particularly relate to a kind of manufacture method of integral elastic sheet for computer keyboard of easy to manufacture and low cost of manufacture with flexible member.
Background technology
As shown in Figure 1, 2, the structure of general computor-keyboard 9 is at a base plate 1 end face, from bottom to top be provided with a circuit board 2, a flexible member 3, a bridge formation 4 and one keycap 5 in regular turn, configuration corresponding to keyboard keyboard 90, on this circuit board 2, can be formed with a plurality of contacts 201, this flexible member 3 then can convex with a plurality of elasticity monomers 302 on a substrate 301, when pushing this keycap 5, these 4 meetings of building bridge produce and pivot, and make this keycap 5 compacting elasticity monomers 302 and these elasticity monomer 302 bottoms are touched connect a little 201, and reach the purpose that signal is imported.
With flexible member 3, it is a kind of structure of integral elastic sheet, generally be to utilize silicon rubber material (silicon rubber) to make in one-body molded mode, just this substrate 301 and elasticity monomer 302 are with material and formation simultaneously, though the elasticity monomer 302 of this flexible member 3 can provide keycap 5 to automatically reply the elasticity of original state, but, but still have following shortcoming in actual manufacturing, when using:
(1), all must offer a mould and make flexible member 3, therefore at the keyboard 9 of different types, different keyboard 90 arrangement modes, as long as keyboard 90 arrangement modes have change slightly, mould just must be offered again, and the die manufacturing cost height, and make quite time-consuming.
(2) be provided with for 4 pivot joints of building bridge for this, be shaped on articulated section 101, guide sliding part 102 in this base plate 1 upper punch, and the substrate 301 of this flexible member 3 corresponding to articulated section 101, guide sliding part 102 places also respectively punching out a plurality of through holes 303 are arranged, can upwards pass for this articulated section 101, guide sliding part 102, but this flexible member 3 is to make with soft silicon rubber material, and this substrate 301 is when carrying out punching out through hole 303, and be not easy to thrust fully, also need by manually in addition product examine.
(3) flexible member made from the silicon rubber material 3, in handling process, this substrate 301 is subjected to the ambient temperature influence easily and is out of shape, not only can influence planarization, and can form wavy and increase thickness after the distortion, and dust can be infiltrated by the formed gap of wave, and causes the shortcoming of poor flow.
Summary of the invention
The object of the present invention is to provide a kind of easy to manufacture and low cost of manufacture, and do not need artificial product examine and can reduce the manufacture method of the integral elastic sheet for computer keyboard of cost of labor.
The manufacture method of integral elastic sheet for computer keyboard of the present invention, be with a tool (jig) permutation with a plurality of elasticity monomers, and utilize a vacuum absorption device to adsorb the location simultaneously, this tool is provided with a plurality of holes of holding of corresponding keyboard arrangement pitches, this shape of holding the hole is the state of handstand corresponding to this elasticity monomer, and the top has an opening of larger aperture, and the bottom is provided with a trepanning of tool smaller aperture due, this trepanning is connected with vacuum absorption device, and the flange that the elasticity monomer after the permutation is had than the great circle footpath holds the opening in hole corresponding to this, simultaneously, on its end face, carry out gluing utilizing the screen painting mode on the substrate, and be formed with a plurality of coating areas that are the hollow ring round, to be coated with on the substrate of coating area, the following inversion, and make each coating area be fitted in the flange of each elasticity monomer, utilize a heater that this substrate is imposed hot pressing again, and this elasticity monomer is cemented on the substrate, then, utilize vacuum absorption device oppositely to blow, tool can blow off this elasticity monomer of fixed all-in-one-piece and substrate, through drying up of appropriate time, just can obtain the finished product of integral elastic sheet.
Utilize the made integral elastic sheet of above-mentioned steps, be to be installed with a plurality of elasticity monomers 10 at a substrate 20 end faces, and the position of these elasticity monomers 10, quantity is utilized the vibration permutation of tool 100, can drop on the holding in the hole 110 of this tool 100 exactly, utilizing 200 of vacuum absorption devices can guarantee that these elasticity monomers 10 are adsorbed to be positioned at respectively holds in the hole 110, utilize the screen painting mode that this substrate 20 is carried out gluing to form a plurality of coating areas 22 again, elasticity monomer 10 adsorbed on the position that also can guarantee each coating area 22 and the tool 100 is fully corresponding, then these elasticity monomers 10 just can cohere with each coating area 22 exactly fully, and carry out heating and pressurizing with 300 pairs of these substrates of heater 20 and elasticity monomer 10, impel the fixed effect of 20 of this elasticity monomer 10 and substrates better, at last, more utilize the air blowing of vacuum absorption device 200, can make fixed all-in-one-piece elasticity monomer 10, substrate 20 members such as grade break away from tool 100, so can in manufacturing process, simplify manual operation, and can reduce fraction defective, and can guarantee the stable of quality.
Description of drawings
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is the exploded perspective view of general keyboard.
Fig. 2 is the assembly schematic diagram of general keyboard keyboard.
Fig. 3 is the flow chart of the present invention's first preferred embodiment.
Fig. 4 is the elasticity monomer permutation of the present invention's first preferred embodiment and the schematic diagram of absorption location.
Fig. 5 is the operation chart that the substrate of the present invention's first preferred embodiment carries out gluing.
Fig. 6 is the substrate and the fixed schematic diagram of elasticity monomer of the present invention's first preferred embodiment.
Fig. 7 is the finished product schematic diagram of the present invention's first preferred embodiment.
Fig. 8 is the finished product schematic diagram of the present invention's second preferred embodiment.
Embodiment
As shown in Figure 3, the manufacture method of integral elastic sheet for computer keyboard of the present invention includes following steps:
One, cooperate shown in Figure 4, get a tool 100 and a plurality of elasticity monomer 10, these tool 100 end faces be provided with a plurality of openings up and corresponding keyboard arrangement pitches hold hole 110, this shape of holding hole 110 is the state of handstand corresponding to this elasticity monomer 10, and the top has larger aperture and is an opening 120 of step shape, and these opening 120 degree of depth can not surpass flange 11 thickness of elasticity monomer 10, even it is slightly more shallow than these flange 11 thickness, and the bottom is provided with a trepanning 130 of tool smaller aperture due, this trepanning 130 is connected with a vacuum absorption device 200, it is bowl-shape that these elasticity monomer 10 normal mounting kenels generally are handstand, just its bottom has the flange 11 than the great circle footpath, a socket part 12 that has than the roundlet footpath is then brought at the top together, utilize vibration to arrange with this tool 100 a plurality of elasticity monomers 10 and carry out permutation, elasticity monomer 10 after the permutation is set in just respectively to be held in the hole 110, and make this flange 11 corresponding to the opening 120 that holds hole 110, this socket part 12 then is set in this trepanning 130, when carrying out permutation, 200 pairs of this vacuum absorption devices respectively hold hole 110 and bleed, and make this elasticity monomer 10 that holds 110 inside, hole be adsorbed the location.
Two, cooperation is shown in Figure 5, get a substrate 20, the substrate 20 of present embodiment is the individual layer insulation film that constitutes with plastic cement polyester film (Mylar plastic) (polyester film), and the position punching out of corresponding in advance keyboard has a plurality of circular holes 21 on this substrate 20, and utilize the screen painting mode to carry out gluing, and be formed with a plurality of coating areas 22 that are the hollow ring round in these circular hole 21 peripheries, the external diameter of this coating area 22 is greater than flange 11 external diameters of elasticity monomer 10, its internal diameter is then less than the internal diameter of this flange 11, and should applying glue be to constitute with the heat curing-type material.
Three, cooperation is shown in Figure 6, this substrate 20 after the gluing is turned over turnback, and a side that is provided with this coating area 22 is provided with down, and with these substrate 20 placement positioning above tool 100, and by means of several set position blocks 140 of this tool 100 end faces periphery, can make this substrate 20 obtain precisely location, and make this coating area 22 can be fitted in the flange 11 of this elasticity monomer 10 exactly.
Four, cooperate shown in Figure 6, a side that utilizes 300 pairs of these substrates 20 of a heater not to be provided with coating area 22 imposes hot pressing, and utilize of the effect of flange 11 thickness of this elasticity monomer 10 greater than opening 120 degree of depth, can be when 300 pairs of substrates of this heater 20 carry out heating and pressurizing, make this coating area 22 better with the applying effect of flange 11, and about 70 ℃ ~ 90 ℃ of its hot pressing temperature, can make this elasticity monomer 10 and substrate 20 produce gummed, utilize the applying glue of this coating area 22 after being heated, to produce the thermosetting effect immediately, can prevent that this elasticity monomer 10 from not producing center displacement because of solidifying, this heater 300 can be locate mode, and make this tool 100 drive elasticity monomer 10, substrate 20 is accepted heating and pressurizing to top offset, or this heater 300 can produce action to bottom offset with respect to tool 100, and can carry out the operation of heating and pressurizing to this substrate 20 and elasticity monomer 10.
Five, utilize this vacuum absorption device 200 oppositely to blow, tool 100 can blow off this elasticity monomer 10 of fixed all-in-one-piece and substrate 20.
Six, arrangement is arranged, and makes these substrate 20 end faces be installed with a plurality of elasticity monomers 10, makes applying glue dry through appropriate time.
Seven, cooperation is shown in Figure 7, makes the finished product of whole piece formula flexible member.
The producible effect of the present invention is summarized as follows:
(1) size of these elasticity monomers 10, specification, shape, structure are all identical, die sinking is more or less freely during fabrication, even keyboard at different types, different keyboard arrangement modes, need only offer a mould and make these elasticity monomers 10, therefore, can not be subjected to the change of keyboard arrangement mode and need offer mould again, thus can reduce die manufacturing cost, and the mould of making this elasticity monomer 10 more or less freely on making, save time.
(2) this substrate 20 is to constitute the individual layer insulation film with plastic cement polyester film (Mylar plastic), when carrying out punching out circular hole 21, is easy to thrust fully, can reduce by manually carrying out the program of product examine, and can reduce cost.
(3) this substrate 20 made from the plastic cement polyester film, good because of thermal endurance, not yielding, even so in handling process, also be not easy to be subjected to external temperature influence and be out of shape, not only planarization is good, and can control the height of whole keyboard effectively, and, because of the comparatively smooth dust that can prevent again infiltrates, and can guarantee the accuracy of signal input.
Again as shown in Figure 8, the substrate 20 ' of second embodiment of the invention, it also can be the flexible circuit board of a plurality of individual layer insulation film stack formations, this substrate 20 ' inside is formed with a plurality of upper and lower contacts 21 ', 22 ', and make coating area 23 ' be formed on outside corresponding to this upper contact 21 ', the step of utilizing first embodiment to be disclosed also can go up cemented a plurality of elasticity monomers 10 ' at this substrate 20 '.
Claims (4)
1. the manufacture method of an integral elastic sheet for computer keyboard, described flexible member are to be provided with a plurality of bowl-shape elasticity monomers that stand upside down that are on a substrate, and it is characterized in that: this method may further comprise the steps:
One, with a plurality of elasticity monomers with a tool permutation, and utilize a vacuum absorption device to adsorb the location simultaneously, described tool is provided with a plurality of holes of holding of corresponding keyboard arrangement pitches, described shape of holding the hole is the state of handstand corresponding to this elasticity monomer, and the top has an opening of larger aperture, and the bottom is provided with a trepanning of tool smaller aperture due, described trepanning is connected with described vacuum absorption device, and the described elasticity monomer after the permutation is had than a great circle flange directly corresponding to the described opening that holds the hole;
Two, get a substrate, be with the tool permutation at described elasticity monomer, and when locating with vacuum suction, utilize the screen painting mode on substrate top surface, to carry out gluing, and be formed with a plurality of coating areas that are the hollow ring round, wherein said substrate is the individual layer insulation film that the plastic cement polyester film constitutes, and this substrate upper punch is shaped on a plurality of circular holes, and described coating area is formed in the circular hole periphery;
Three, will be coated with the upper and lower inversion of substrate of described coating area, and make each coating area be fitted in the flange of each elasticity monomer;
Four, utilize a heater that described substrate is imposed hot pressing, and described elasticity monomer is cemented on the substrate;
Five, utilize described vacuum absorption device oppositely to blow, tool can blow off fixed all-in-one-piece elasticity monomer and substrate;
Six, dry typing;
Seven, finished product.
2. the manufacture method of integral elastic sheet for computer keyboard as claimed in claim 1 is characterized in that:
Described substrate is the flexible circuit board that a plurality of described individual layer insulation film stacks constitute, and this circuit board inside is formed with a plurality of upper and lower contacts, and described coating area is formed in the upper contact outside.
3. the manufacture method of integral elastic sheet for computer keyboard as claimed in claim 1 is characterized in that:
The external diameter of described coating area is greater than the flange outside diameter of described elasticity monomer, and its internal diameter is less than the internal diameter of described flange.
4. the manufacture method of integral elastic sheet for computer keyboard as claimed in claim 1 is characterized in that:
The opening degree of depth of described tool is equal to or less than the thickness of flange of described elasticity monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001022164A CN1149596C (en) | 2000-02-11 | 2000-02-11 | Manufacture of integral elastic sheet for computer keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001022164A CN1149596C (en) | 2000-02-11 | 2000-02-11 | Manufacture of integral elastic sheet for computer keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1308350A CN1308350A (en) | 2001-08-15 |
| CN1149596C true CN1149596C (en) | 2004-05-12 |
Family
ID=4576341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001022164A Expired - Fee Related CN1149596C (en) | 2000-02-11 | 2000-02-11 | Manufacture of integral elastic sheet for computer keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1149596C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064035A (en) * | 2009-11-13 | 2011-05-18 | 翊圣电子股份有限公司 | Keyboard device |
-
2000
- 2000-02-11 CN CNB001022164A patent/CN1149596C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1308350A (en) | 2001-08-15 |
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Granted publication date: 20040512 Termination date: 20130211 |