CN2817297Y

CN2817297Y - Electronic device casing metal plate structure

Info

Publication number: CN2817297Y
Application number: CN 200520112957
Authority: CN
Inventors: 庄英辉
Original assignee: LIEN CHY LAMINATED METAL CO Ltd
Current assignee: LIEN CHY LAMINATED METAL CO Ltd
Priority date: 2005-07-04
Filing date: 2005-07-04
Publication date: 2006-09-13
Anticipated expiration: 2015-07-04

Abstract

The utility model relates to a metal plate structure of an electronic device casing. The metal plate structure is mainly characterized in that a high heat resistant attaching agent layer made of acryl resin is coated on a metal base plate and then baked with heat, an involucra layer which is composed of a polyvinyl chloride layer, an attaching layer, a printing layer and a polyester layer are arranged on the attaching agent, and the involucra layer and the attaching agent are rolled and combined by directly using a heated mirror surface roller and then cooled and shaped, so that the involucra layer and the metal base plate have good adherence. With the characteristics that the polyvinyl chloride layer is easily combined with the attaching agent and the polyester layer is smooth and wear resistant, high smoothness and corrosion resistant protection are formed on the surface of the metal base plate by the involucra layer, and the printing layer can make the involucra layer beautiful.

Description

The case of electronic device metal plate structure

Technical field

The utility model relates to the case of electronic device metal plate structure, is meant a kind of tool height adherence especially, smooth surface, wear-resisting and have the metal plate structure of aesthetic concurrently.

Background technology

Present portable electron device such as mobile computer, its shell structure is through multiple tracks treatment step (as: plating or the application that change into processing and multiple tracks are handled) mostly by a metal base, just can make the slickness of the certain standard of its surperficial tool and good adherence, corrosion protection, yet, in various above-mentioned various surface-treated processes, can produce environmental issues such as a large amount of waste water and operating environment pollution; And in recent years, be accompanied by tame electric machine, sound machine, kitchen appliance, in build the advanced of material etc., cause the housing of various electronic installations also to pay attention to the style of material surface thereupon, especially with high clarity performance, with and the shape performance of stretch process.

Therefore, be that No. 434145 patent of invention case of TaiWan, China patent announcement arranged, it is characterized in that: " a kind of coated with resins sheet metal comprises: as the sheet metal of bottom chip, arithmetic average deviation amplitude (Rd) numerical value of its roughness is between 0 micron and 10 microns; The pigmented finiss layer; Transparent soft resin layer, it comprises unhardened mixing kenel resin bed, the coating coat of mylar, or vistanex; The following layer that comprises pigment; It has the transparent resin film of two sides through gloss finish, and wherein at least one sheet metal surface is colored layer, soft resin layer, and following layer and hyaline layer cover, and each layer is to cover in regular turn to transparent resin film from the sheet metal side.Yet ", on be set forth in the multi-layer resinous structure of covering on the sheet metal, its manufacture method is to apply the pigmented finiss layer on metallic plate; apply soft resin layer again; contact with the resin-coating film behind the heat drying again, uses the spreading of lamination roller, again through gloss finish; spreading at high temperature; give cooling again and making, though it can make the good and good coated with resins sheet metal of adherence of working of lustrous surface, its whole roll extrusion process is very cumbersome; not only manufacturing cost is high, and its quality is wayward.

Other has No. 404888 patent of invention case of TaiWan, China patent announcement, it is characterized in that: " a kind of resin-coated metal sheet; it mainly is on the substrate with a metal material, the resin-coated metal sheet that laminated in regular turn dope layer, the thick transparent polyester based resin film A of sex change olefin resin layer D, style or comprehensive printed layers C, adhesion agent layer B, 5～100 μ m that 5～100 μ m are thick form.The sex change olefin resin layer that the centre of laminated resin is set, then property excellence with printing layer, dope layer, polyester based resin film etc., even so under the harsh processing of deep-draw etc., constitute peeling off of place, bed boundary and also can not take place, have the connecting airtight property of processing of excellence.Again, the rough surface of metallic plate or each constitute the concavo-convex of layer (resin bed), are to be absorbed by the sex change olefin resin layer, therefore, as resin-coated metal sheet, can obtain the clarity of excellence." processing mode of this kind structure also has the disappearance that above-mentioned roll extrusion process is cumbersome, processing cost is high basically.

Because the metal sheet of common coated with resins has above-mentioned shortcoming, the inventor is at the road of those shortcoming research improvement, and generation of the present utility model is arranged finally.

Summary of the invention

Main purpose of the present utility model is providing a kind of case of electronic device metal plate structure; it is after applying one deck solid and baking on the metal substrate; via one the heating the minute surface roller directly with one by polyvinyl chloride layer; following layer; printed layers; the skin membrane roll extrusion that polyester layer constitutes is laminated on this solid; cooling forming then; make this skin membrane and metal substrate be able to adherence; utilize described polyvinyl chloride layer to combine with solid; make this polyester layer form the smooth and wear-resisting protection of height in metallic substrate surfaces; the aesthetic matter that cooperates printed layers to manifest can effectively promote the whole texture of metallic plate.

As for detailed construction of the present utility model, application principle, effect and effect, then the explanation of doing with reference to following adjoint can be understood completely.

Description of drawings

Fig. 1 is a structural section of the present utility model.

Embodiment

Fig. 1 is a structural section of the present utility model, and by shown in Figure 1, the utility model primary structure comprises: metal substrate 1, solid 2 and skin membrane 3 etc. are partly; Wherein said metal substrate 1 is the stock of a composition case of electronic device, and is general more suitable with the good metallic plate of light weight intensity (as: aluminium sheet); Solid 2 is to be coated at least one side surface of aforementioned metal substrate 1 with a suitable thickness (about 4～6 μ m), and is heated between 200～210 ℃, makes described solid 2 suitably softening; And skin membrane 3 is by a polyvinyl chloride layer 31, a following layer 32, a printed layers 33, the stacked in regular turn be combined into of a polyester layer 34, described skin membrane 3 is placed on the aforementioned solid 2, contact with solid 2 with described polyvinyl chloride layer 31, with one the heating minute surface roller (temperature remains between 190～200 ℃) with roll extrusion, cooling makes described skin membrane 3 combine with metal substrate 1 adherence then.

In the above-mentioned skin membrane 3, because the preferable scratch resistance of polyester layer 34 tools and more smooth can effectively be protected this skin membrane 3 inner each layers, and in this following layer 32, then can add metal dust (as: aluminium powder etc.), make described skin membrane 3 have metallic luster, and increase visual sense of beauty; Again, the solid 2 of polyvinyl chloride 31 is a kind of solids that contain high-fire resistance acrylic resin composition in described then metal substrate 1 and the skin membrane 3, and it is more stable in conjunction with effect that it is had.

Below be aided with example, the effect that forming method of the present utility model and structure thereof can be reached be described:

Example one:

At thickness is on the aluminium sheet of 0.8mm, be coated with 9 μ m acrylic resin solids, and toasted, the plate temperature after the baking is 204 ℃, and skin membrane 3 is utilized the minute surface roller roll extrusion that is heated to 191 ℃, roll extrusion is 5.0, with water cooling, found that again adherence of the present utility model is 3.5A, good slickness is arranged, and adherence is 3.5A behind the environmental testing.

Example two:

At thickness is on the aluminium sheet of 0.8mm, be coated with 9 μ m acrylic resin solids, and toasted, the plate temperature after the baking is 207 ℃, skin membrane 3 is utilized the minute surface roller roll extrusion that is heated to 191 ℃, roll extrusion is 5.5, again with water cooling, found that, adherence is 3.5A, the epithelium surface smoothness is good, and behind the environmental testing, connecting airtight property is 3.5A.

From the above mentioned as can be known, a kind of case of electronic device metal plate structure of the present utility model has simple and easy, compliance with environmental protection requirements of processing and smooth surface, the good effect of adherence, has really had usability, novelty and progressive on the industry.

Only the above person only is the utility model one preferred embodiment, is not to be used for limiting the scope that the utility model is implemented.Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.

Claims

1. a case of electronic device metal plate structure is characterized in that, comprises at least:

One metal substrate;

One adhesion agent layer is coated at least one side surface of described metal substrate, and makes it suitably softening through heating;

One skin membrane is by at least one polyvinyl chloride layer, a following layer, the stacked in regular turn be combined into of a polyester layer, and the roller roll extrusion of an available heating is laminated on described adhesion agent layer, and cooling can make described skin membrane combine with the metal substrate adherence then.

2. case of electronic device metal plate structure as claimed in claim 1 is characterized in that, is provided with a printed layers between following layer in the described skin membrane and the polyester layer.

3. case of electronic device metal plate structure as claimed in claim 1 or 2 is characterized in that, can add metal dust in the following layer of described skin membrane.