CN101436477B

CN101436477B - Preparation method for metal panel with corrugated luster

Info

Publication number: CN101436477B
Application number: CN200710170324XA
Authority: CN
Inventors: 吴哲东; 许志和; 曹凯杰
Original assignee: Yijia Science & Technology Co Ltd
Current assignee: Yijia Science & Technology Co Ltd; Ichia Technologies Inc
Priority date: 2007-11-12
Filing date: 2007-11-12
Publication date: 2011-04-27
Anticipated expiration: 2027-11-12
Also published as: CN101436477A

Abstract

The invention provides a method for manufacturing a metal panel with rippling luster. The method comprises the following steps: firstly a metal sheet is prepared, by etching treatment, a plurality of hollow parts are formed on the metal sheet, and the hollow parts are defined as a press zone of press keys and figures on the surface of the press zone; secondly, the metal sheet is die-cut into a metal press key panel with an established shape, and the surface of the metal press key panel is electroplated with an electroplated coating; thirdly, the side surface of the metal press key panel is bonded with a protective film, the metal press key panel is placed into a transparent die, and the die is injected with ultraviolet curing resin, and irradiated by a light source, so that the ultraviolet curing resin in the die forms a rippling layer; and finally the protective film on the other surface of the metal press key panel is torn off, the other side surface of the metal press key panel is coated with an adhesive layer, and an elastic layer with a plurality of protruding parts is bonded to the surface of the adhesive layer, therefore the manufacture of the metal press key panel is completed.

Description

Metal decking manufacture method with corrugated brightness

Technical field

The present invention relates to a kind of key panel, relate in particular to a kind of metal decking manufacture method.

Background technology

Key panel has become hardware indispensable on the Portable running gear.Be equipped with the radical of numeral, literal, phonetic symbol, input method and various functional graphic etc. on the key cap surface of each button of key panel, allow the user can the input operation instruction with every function of control Portable running gear.Therefore, this key panel is not only indispensable hardware for the Portable running gear, still a very important input equipment.

The conventional metals key panel is shown in Fig. 1 a to 1f (for day spy of disclosure special permission communique opens 2007-134071).When the metal key-press panel 10a of meaning shown in the construction drawing 1, have metallic plate 1a earlier, metallic plate 1a is covered on the transparent plastic film 2a, make metallic plate 1a form hollow-out parts 3a again, on metallic plate 1a surface, be formed with transparent resin layer 4a, be formed with layer of transparent elastic layer 5a in transparent plastic film 2a bottom again, when making transparent elastic layer 5a, by hot-pressing processing transparent plastic film 2a and transparent elastic layer 5a are expressed among the hollow-out parts 3a simultaneously, separate the separator bar 21a of metal key-press portion with formation, paste one deck luminescent layer 6a in the bottom of transparent elastic layer 5a again.

When making above-mentioned metal key-press panel 10a, because transparent plastic film 2a and transparent elastic layer 5a are expressed among the hollow-out parts 3a together, therefore extruding force and the heating-up temperature in hot extrusion process must be controlled suitably, otherwise can cause transparent plastic film 2a and transparent elastic layer 5a to clamp-on fully among the hollow-out parts 3a, thereby cause the generation of waste product.Even, be expressed in the hollow-out parts 3a process at transparent plastic film 2a and transparent elastic layer 5a, easily make the generation friction of transparent plastic film 2a and hollow-out parts 3a wall and lead angle place and pull state, easily cause transparent plastic film 2a to break, thereby cause the difficulty in the making.

Secondly, easily produce the gap between the transparent plastic film 2a in being extruded to hollow-out parts 3a and the wall of hollow-out parts 3a, the easily long-pending ash plug dirt in this gap and infiltrate liquid, and cause the generation of metal key-press portion to push to have some setbacks or problem such as internal circuit short circuit.

In addition, the surface of the transparent resin layer 4a of formed thereby is a plane on metallic plate 1a, and the protective effect to metallic plate 1a only is provided, and does not have the reflecting effect of any special gloss, makes metal key-press panel 10a overall appearance visually too stiff.

Summary of the invention

Therefore, in view of above-mentioned defective, main order of the present invention is a kind of brand-new for proposing, and the manufacture method of easy metal key-press panel again, makes metal key-press panel be easy to make, and makes the metal key-press panel surface have the reflecting effect of corrugated brightness simultaneously.

Comprise the steps: at first to prepare a sheet metal according to the metal decking manufacture method with corrugated brightness provided by the invention, sheet metal is carried out etch processes, make and be formed with a plurality of hollow-out parts on the sheet metal, described hollow-out parts is defined as reaching by the nip surfacial pattern by nip of button, the sheet metal that etching is had a hollow-out parts carry out die-cut after, be formed with the key panel of set shape.Place electroplating bath to electroplate the key panel that has cut, on the key panel surface, plate one deck electrodeposited coating, after the metal key-press panel plating is finished, on the surface that described metal key-press panel is not electroplated, paste layer protecting film.Then; the metal key-press panel that is covered with diaphragm is placed in transparent mould; again ultraviolet curable resin is flow in the mould; make on the surface and hollow-out parts of described UV-cured resin attached to electrodeposited coating; the lines of described mould inner surface makes purple online cured resin form lines simultaneously; again transparent mould is carried out light source irradiation, make the ultraviolet curable resin in the described mould be solidified into the lines layer.At last, after the diaphragm of metal key-press panel one side torn off, on the surface that this metal key-press panel is not electroplated, be coated with one deck adhesive-layer, this elastic layer with a plurality of convex bodys is pasted on the adhesive-layer surface, promptly finish the making of metal key-press panel.

Description of drawings

Fig. 1 (a) to (f) makes the flowage structure schematic diagram for the conventional metals key panel;

Fig. 2 is that metal key-press panel of the present invention is made schematic flow sheet;

Fig. 3 a-3l is that metal key-press panel of the present invention is made the flowage structure schematic diagram;

Fig. 4 is that metal key-press panel of the present invention uses the schematic diagram on mobile phone;

Fig. 5 is that metal key-press panel of the present invention uses the schematic diagram on personal digital assistant device;

Fig. 6 is that metal key-press panel of the present invention uses the schematic diagram on the automobile audio panel;

[primary clustering symbol description]

Prior art:

Metal key-press panel 10a metallic plate 1a

Transparent plastic film 2a separator bar 21a

Hollow-out parts 3a transparent resin layer 4a

Transparent elastic layer 5a photosphere 6a.

The present invention:

Step 100～112 sheet metals 10

Metal key-press panel 1 hollow-out parts 11

First hollow-out parts, 12 second hollow-out parts 13

Button 14 electrodeposited coatings 2

Diaphragm 3 lines layers 4

Adhesive-layer 5 elastomers 6

Convex body 61 transparent moulds 7

Die cavity 71 lines 72

Light source 8 mobile phones 9

Personal digital assistant device 101 automobile audio panels 102

Embodiment

The present invention is described in detail below in conjunction with accompanying drawing.

Fig. 2 is that metal key-press panel of the present invention is made schematic flow sheet.As shown in the figure: the metal decking manufacture method with corrugated brightness of the present invention, please in the lump with reference to Fig. 3 a-3k, at first, and as step 100, preparation sheet metal 10, as Fig. 3 a, sheet metal 10 is made by stainless steel (SUS) or hydronalium.

Step 102, carry out etching, sheet metal 10 is carried out etch processes, make and be formed with a plurality of hollow-out parts 11 on the sheet metal 10, hollow-out parts 11 is divided into first hollow-out parts 12 and second hollow-out parts, 13, the first hollow-out parts 12 are linear and in order to surround being set at by nip 14 lip-deep figures by nip 14, the second hollow-out parts 13 of button, this figure include numeral (0～9), literal (A～Z), additional character (#, *., dialing and finish pattern) and direction symbol etc., as Fig. 3 b.

Step 104, carry out die-cut, the sheet metal 10 that etching is had a hollow-out parts 11 carry out die-cut after, form the metal key-press panel 1 of set shape, as Fig. 3 c.

Step 106 is electroplated, and places electroplating bath to electroplate with cutting the key panel of finishing 1, can plate one deck electrodeposited coating 2 on the wall of key panel 1 surface and hollow-out parts 11, as Fig. 3 d.To the processing of electrodeposited coating 2, can on metal key-press panel 1 surface, plate the layer of metal material according to customer demand, as nickel etc.

Step 108, pasting protective film after metal key-press panel 1 plating is finished, pastes layer protecting film 3, as Fig. 3 e on the surface that metal key-press panel 1 is not electroplated.In the following process process, the surface that can protect key panel 1 not electroplate avoids being stained with filth or impaired (scratch).

Step 110 is placed in the metal key-press panel 1 that is covered with diaphragm 3 in the transparent mould 7, injects ultraviolet curable resin in the die cavity 71 of transparent mould 7, makes on the surface and hollow-out parts 11 of ultraviolet curable resin attached to electrodeposited coating 2, as Fig. 3 f to 3h.

Step 112, after ultraviolet curable resin flow into mould 7, carry out light source 8 irradiations again, after ultraviolet curable resin is solidified, the lines 72 of die cavity 71 inner surfaces of transparent mould 7, make ultraviolet curable resin form lines layer 4, as Fig. 3 f, 3i, 3j and 3k, lines layer 4 is for having the concentric circles (spinning) of corrugated brightness.And this lines layer 4 also forms the protective layer of metal key-press panel 1 simultaneously.

Step 114; metal key-press panel 1 is pasted elastic layer; after the lines layer 4 on metal key-press panel 1 surface completes; the diaphragm 3 of the another side of metal key-press panel 1 is torn off; apply one deck adhesive-layer 5 on the surface that metal key-press panel 1 is not electroplated, the elastic layer 6 that again this is had a plurality of convex bodys 61 pastes on adhesive-layer 5 surfaces, and metal key-press panel 1 and elastic layer 6 are combined; to finish the making of key panel 1, as Figure 31.

Fig. 4 is that metal key-press panel of the present invention is applied in the schematic diagram on the mobile phone.As shown in the figure: metal key-press panel 1 of the present invention can be applied on the mobile phone 9 after completing.When externally irradiate light was on the lines layer 4 of metal key-press panel 1, this lines layer 4 promptly produced the reflecting effect with corrugated brightness, increased outward appearance U.S. of mobile phone 9 integral body.Simultaneously, lines layer 4 has the function that the damage of extraneous hard thing is avoided on protection metal key-press panel 1 surface.

Fig. 5 is that metal key-press panel of the present invention is applied to the schematic diagram on the personal digital assistant device.As shown in the figure: metal key-press panel 1 of the present invention except can being applied in mobile phone 9, also can be applicable on the personal digital assistant device (PDA) 101 after completing.When irradiate light was on the lines layer 4 of metal key-press panel 1, lines layer 4 promptly produced the reflecting effect with corrugated brightness, increased overall appearance U.S. of personal digital assistant device (PDA) 101.

Fig. 6 is that metal key-press panel of the present invention is applied to the schematic diagram on the automobile audio panel.As shown in the figure: the panel of press-key structure of the present invention is except can be applicable to mobile phone 9 and personal digital assistant device (PDA) 101, can also be installed on the automobile audio panel 102, in order to the operation of control cold air conditioner system, audio-video system and satellite navigation system etc.

Further, electrodeposited coating 2 is made according to client demand, if when client does not need electrodeposited coating 2, lines layer 4 directly can be made on the side of metal key-press panel 1.

Be the preferred embodiments of the present invention only below, be not so promptly limit claim of the present invention that every other equivalence of being done changes or modifies, and all should be included in the claim of the present invention in claim of the present invention.

Claims

1. manufacture method with metal decking of corrugated brightness, described metal decking is in order to be disposed at the surface of electronic installation, and this method comprises the steps:

A). the preparation sheet metal;

B). described sheet metal is carried out etch processes, on described sheet metal, form a plurality of hollow-out parts, described hollow-out parts comprises first hollow-out parts and second hollow-out parts, described first hollow-out parts be linear and surround button by nip, described second hollow-out parts is set at described by the lip-deep figure of nip;

C). the described sheet metal that will have described first hollow-out parts and second hollow-out parts is die-cut, forms the metal key-press panel of set shape;

D). will cut on the wall of the surface of the described metal key-press panel finished and described first hollow-out parts and described second hollow-out parts and plate one deck electrodeposited coating;

E). after the metal key-press panel plating is finished, on the surface that metal key-press panel is not electroplated, paste layer protecting film;

F). the described metal key-press panel that is covered with diaphragm is inserted in the transparent mould, have die cavity on the described transparent mould, described die cavity inner surface has lines;

G). in transparent mould, inject ultraviolet curable resin, make on the surface and first hollow-out parts and second hollow-out parts of ultraviolet curable resin attached to described electrodeposited coating;

H). carry out light source irradiation, make ultraviolet curable resin solidify the back and form the lines layer; And

I). after the diaphragm of described metal key-press panel torn off; on the surface that described metal key-press panel is not electroplated, apply one deck adhesive-layer; elastic layer is pasted on described adhesive-layer surface again, described metal key-press panel is combined with described elastic layer, have a plurality of convex bodys on the described elastic layer.

2. the manufacture method with metal decking of corrugated brightness as claimed in claim 1 is characterized in that the sheet metal of a step is made by stainless steel or hydronalium.

3. the manufacture method with metal decking of corrugated brightness as claimed in claim 1 is characterized in that described figure comprises numeral, literal, additional character and direction symbol.

4. the manufacture method with metal decking of corrugated brightness as claimed in claim 1 is characterized in that, is metal material at electrodeposited coating described in the d step.

5. the manufacture method with metal decking of corrugated brightness as claimed in claim 1 is characterized in that, is concentric circles at lines layer described in the h step.

6. the manufacture method with metal decking of corrugated brightness as claimed in claim 5 is characterized in that described lines layer forms the protective layer of described metal key-press panel.