A kind of Air Filter and processing method thereof
Technical field
The present invention relates to the Air Filter that a kind of mobile phone speaker uses, especially have the Air Filter of special construction; The invention still further relates to the processing method of Air Filter with special construction.
Background technology
The present invention is primarily aimed at the Air Filter that is used on the mobile phone speaker.All there is vocal hole on the surface of most mobile phone speaker, for avoiding the pollution of dust and moisture, usually needs to use the Air Filter made from dustproof waterproof material to be protected.Which kind of shape no matter existing mobile phone Air Filter be, all has the bonding lamination layer structure of dustproof and waterproof material layer and layers of two-sided, and wherein, there is hollow space at the layers of two-sided center, and the breadth of the general layers of two-sided of breadth of dustproof and waterproof material layer equates.In the prior art, the processing of such Air Filter is general, and what adopt is die-cutting process: 1) with two-sided tape and be used to carry the carrier film of product compound after, cross cutting goes out the required hollow space of product layers of two-sided, two-sided tape and carrier film all cut off; 2) bonding dustproof and waterproof material on the two-sided tape, the profile half disconnected cross cutting according to the Air Filter regulation cuts off dustproof and waterproof material layer and double faced adhesive tape belt; 3) the non-product area of eliminating dustproof and waterproof material and two-sided tape, and eliminating hollow space waste material promptly obtains the product by the carrier film carrying.
When using the Air Filter of above-mentioned conventional shape, by double faced adhesive tape the dustproof and waterproof material is pasted on the mobile phone speaker, the hollow space of double faced adhesive tape is over against the vocal hole of loud speaker, and both effective dustproof and waterproof does not influence sounding again.But, because after the above-mentioned die-cutting process processing of the Air Filter of this shape process, the dustproof and waterproof material is the same big with double faced adhesive tape, with regard to entire product, can only paste by single face, loud speaker bonds on other structural members more if desired, just can not realize.Air Filter of the present invention has been to address this problem and has designed.Owing to relate to change in this summary of the invention to mobile phone Air Filter composite bed shape, can't finish the production of this product with existing die-cutting process, therefore, the present invention has also introduced the production technology of the mobile phone Air Filter with special construction simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of mobile phone speaker Air Filter of special construction, this Air Filter has the function of double faced adhesive.
This goal of the invention of the present invention is to realize by such technical scheme: a kind of Air Filter, comprise compound dustproof and waterproof material layer and layers of two-sided with regulation shape, it is characterized in that there is hollow space at described layers of two-sided center, the breadth of dustproof and waterproof material layer also covers the hollow space of layers of two-sided fully less than the breadth of layers of two-sided.
According to Air Filter of the present invention, wherein said layers of two-sided is used nonwoven fabrics, polyester film is as base material or do not have base material, and the adhesive tape average adhesion is/25 millimeters of 1200~2500 grams.Described dustproof and waterproof layer is 80~350 purpose nylon net cloths.
After above-mentioned Air Filter attaches to the loud speaker surface, the another side viscose glue of two-sided tape is not covered fully by the dustproof and waterproof material layer, can attach to again on other the structural member, both solve the dustproof and waterproof problem of loud speaker, solve the bonding problem of structure of loud speaker again.
Another object of the present invention provides above-mentioned production technology with mobile phone Air Filter of special construction.
The processing method of Air Filter of the present invention comprises the compound of the layers of two-sided of processing regulation shape, the dustproof and waterproof material layer of processing the regulation shape and above-mentioned layers of two-sided and dustproof and waterproof material layer, there is hollow space at this layers of two-sided center, the breadth of dustproof and waterproof material layer specifically comprises the steps: less than the breadth of layers of two-sided
The first step: the layers of two-sided of processing regulation shape,
1. material is compound: single silicon release liners, double faced adhesive tape, single silicon carrier film and single face glue I is compound successively, the silicone oil face of wherein single silicon release liners and single silicon carrier film is bonding with two mucilage glue surfaces of double faced adhesive tape respectively, and the non-silicone oil face of the mucilage glue surface of single face glue and single silicon carrier film is bonding;
2. cross cutting: composite material places on the template, and single face glue I carries out cross cutting at orlop with cutting die:
A. according to the regulation of the layers of two-sided profile of product being carried out half disconnected cross cutting, cut off single silicon release liners and double faced adhesive tape;
B. according to the requirement of the layers of two-sided hollow space shape of product being carried out half disconnected cross cutting, cut off single silicon release liners, double faced adhesive tape and single silicon carrier film;
Two steps of a, b carry out respectively or carry out simultaneously, among the present invention, for avoiding the influence to product quality of error that contraposition produces, adopt the method that a, b cross cutting carry out simultaneously more;
3. waste discharge: peel off the waste material of single silicon release liners and double faced adhesive tape from single silicon carrier film, and single face glue I is peeled off from single silicon carrier film, take away the 2. hollow space waste material that cuts off of b of step; Be covered with single face glue II on the single silicon release liners surface that keeps, the non-silicone oil face of the mucilage glue surface of single face glue II and single silicon release liners is bonding, throws off the waste discharge of single face glue, has obtained carrying single silicon carrier film of the double faced adhesive tape with regulation shape;
Second step: the dustproof and waterproof material layer of processing regulation shape:
4. material is compound: the mucilage glue surface of dustproof and waterproof material layer and single face glue III is bonding, and wherein the average adhesion of single face glue III is less than the average adhesion of double faced adhesive tape;
5. cross cutting: dustproof and waterproof material shape cross cutting according to the rules, cut off the dustproof and waterproof material layer;
6. waste discharge: remove the waste material of dustproof and waterproof material layer, obtained carrying the single face glue III of dustproof and waterproof material with regulation shape;
The 3rd step: layers of two-sided and dustproof and waterproof material layer compound:
7. the semi-finished product that above-mentioned first and second step is obtained carry out compoundly, and the double faced adhesive tape with regulation shape is bonding with the dustproof and waterproof material relative position according to the rules with regulation shape, remove single face glue III and obtain being carried on product on single silicon carrier film.
In this processing method, the average adhesion of the 4. employed single face glue of step III less than step 1. in the average adhesion of double faced adhesive tape, this is when guaranteeing to remove single face glue III during step 7., the dustproof and waterproof material can cling and the smooth essential condition of peeling off from single face glue by the bigger double faced adhesive tape of bonded power, in fact, the average adhesion preferable range of described single face glue III be no more than double faced adhesive tape average adhesion 40%.
In the above-mentioned processing method, the 1. employed single silicon release liners base material of step is a paper, thickness 0.05~0.1mm; One side is the silicone oil coating, can peel off easily after bonding with mucilage glue surface; Another side does not have the silicone oil coating, and is can mucilage glue surface bonding.
The double faced adhesive tape that 1. step is addressed can be with conventional commercially available double faced adhesive tape, and the most normal what select for use is that polyester film, nonwoven fabrics are base material or do not have base material; Adhesive layer is acrylic acid glue or rubber, and the surface is usually coated with release liners; The double faced adhesive tape thickness of often selecting for use is 0.05~0.2mm (release liners thickness is not counted in) ,/25 millimeters of adhesive tape average adhesion 1200~2500 grams.
Single silicon carrier film base material that 1. step is addressed is a polyester film, thickness 0.05~0.1mm, and the one side of film is the silicone oil coating, can peel off easily after bonding with mucilage glue surface; Another side is the polyester film base material that exposes, and because of the characteristic of polyester film itself, also can peel off after bonding with the less adhesive tape of average adhesion.Therefore, select step 1. used with the bonding single face glue I of this face the time, need to select the comparatively suitable single face glue I of viscosity, this selection those of ordinary skill in the art can finish.
Above-mentioned processing method realizes the production of regulation infrastructure product effectively by to the ingenious combination of some simple procedures, and the waste discharge of this manufacturing procedure operation is simple, can effectively get rid of waste material, save manually, and good product quality, be suitable for large batch of production.
Description of drawings
Accompanying drawing 4 width of cloth of the present invention, wherein:
Fig. 1 is the structural representation of Air Filter of the present invention;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the A-A cross section view of Fig. 1;
Fig. 4 is the schematic diagram of Air Filter processing method of the present invention;
Among the figure: 1. single silicon release liners, 2. double faced adhesive tape, 3. single silicon carrier film, 4. single face glue I, 5. single face glue II, the double faced adhesive tape that 6. has the regulation shape, 7. dustproof and waterproof material, 8. single face glue III, the dustproof and waterproof material that 9. has the regulation shape, 10. dustproof and waterproof material layer, 11. layers of two-sided, 12. vocal holes, 13. the layers of two-sided appearance profile line of regulation, 14. cutting dies, 15. double faced adhesive tape center vocal hole appearance profile lines, 16. cutting die, the dustproof and waterproof material layer appearance profile of 17. regulations.
In addition, the material of selecting in the production process of the present invention is stratified material, the character of these material surface coatings is to implement the key factor of the production method of Air Filter of the present invention, therefore with different diagrams the face coat of these materials is distinguished in Fig. 4, the legend of used representative different coating is described below table:
Embodiment
Embodiment 1
The described Air Filter of present embodiment is shown in Fig. 1~3: this product is composited by dustproof and waterproof material layer 10 and layers of two-sided 11, there is hollow space 12 at described layers of two-sided 11 centers, and dustproof and waterproof material layer 10 also covers the hollow space 12 of layers of two-sided 11 fully less than layers of two-sided 11.
The layers of two-sided 11 base material materials of the described Air Filter of present embodiment are nonwoven fabrics; The adhesive layer material of layers of two-sided 11 is an acrylic acid glue; The product two-sided tape top layer of buying covers two-sided silicone oil papery release liners; This adhesive tape thickness: 0.15mm (release liners thickness is not counted in), adhesive tape average viscosity :/25 millimeters of 1900 grams.
The dustproof and waterproof material layer 10 of the described Air Filter of present embodiment is a nylon, and the order number is 80~350 all available, and present embodiment is selected 180 order nylon individual layer screen cloths for use.
Embodiment 2
Fig. 4 has shown the Air Filter course of processing of present embodiment, and capitalization A, B, C etc. represent each step of the course of processing respectively among the figure, and the ii view is the top view of corresponding steps i view.
The course of processing of this Air Filter comprises the compound of the layers of two-sided of processing regulation shape, the dustproof and waterproof material layer of processing the regulation shape and above-mentioned layers of two-sided and dustproof and waterproof material layer, specifically comprises the steps:
The first step: the layers of two-sided of processing regulation shape,
1. material is compound, shown in Fig. 4 (A): single silicon release liners 1, double faced adhesive tape 2, single silicon carrier film 3 and single face glue I4 is compound successively, the silicone oil face of wherein single silicon release liners 1 and single silicon carrier film 3 is bonding with two mucilage glue surfaces of double faced adhesive tape 2 respectively, and the non-silicone oil face of the mucilage glue surface of single face glue I4 and single silicon carrier film 3 is bonding;
Single silicon carrier film base material selected in this step is a polyester film.
2. cross cutting: composite material places on the template, and single face glue I4 carries out cross cutting at orlop with cutting die:
A. shown in Fig. 4 (B): the layers of two-sided appearance profile line 13 (Fig. 4 (B)-ii) that cuts out regulation on single silicon release liners 1 surface, then the die for special purpose cutting edge is curved respective shapes cutting die 14 and carry out half disconnected cross cutting, cut off single silicon release liners 1 and double faced adhesive tape 2 (Fig. 4 (B)-i);
B. shown in Fig. 4 (C): the double faced adhesive tape center vocal hole appearance profile line 15 (Fig. 4 (C)-ii) that cut out regulation on single silicon release liners 1 surface, then the die for special purpose cutting edge is curved respective shapes cutting die 16 and carry out half disconnected cross cutting, cut off single silicon release liners 1, double faced adhesive tape 2 and single silicon carrier film 3 (Fig. 4 (C)-i);
In the present embodiment, a, b carry out simultaneously;
3. waste discharge: the waste material of peeling off single silicon release liners 1 and double faced adhesive tape 2 from single silicon carrier film 3, and single face glue I4 peeled off from single silicon carrier film 3, take away the 2. hollow space waste material of b cut-out of step, obtained covering the double faced adhesive tape semi-finished product of residual release liners waste material, as Fig. 4 (D, E);
Be covered with single face glue II5 on residual single silicon release liners 1 surface, the non-silicone oil face of the mucilage glue surface of single face glue II5 and single silicon release liners 1 is bonding, throw off single face glue II5 waste discharge, obtained carrying single silicon carrier film 3 of double faced adhesive tape 6, as Fig. 4 (F, G, H) with regulation shape;
Second step: the dustproof and waterproof material layer of processing regulation shape:
4. material is compound, and shown in Fig. 4 (I): dustproof and waterproof material 7 is bonding with the mucilage glue surface of single face glue III8, and wherein the average adhesion of single face glue III8 is than the average adhesion low 40% of double faced adhesive tape 2;
5. cross cutting: dustproof and waterproof material layer appearance profile 17 according to the rules carries out half disconnected cross cutting, cuts off dustproof and waterproof material layer 7, shown in Fig. 4 (J);
6. waste discharge: remove the waste material of dustproof and waterproof material 7, obtained carrying the single face glue III8 of dustproof and waterproof material 9 with regulation shape;
The 3rd step: layers of two-sided and dustproof and waterproof material layer compound:
7. the semi-finished product that above-mentioned first and second step is obtained carry out compound, double faced adhesive tape 6 with regulation shape is bonding with dustproof and waterproof material 9 relative position according to the rules with regulation shape, shown in Fig. 4 (M), remove single face glue III8 and obtain being carried on product on single silicon carrier film 3, shown in Fig. 4 (N).
Present embodiment takes the method for location hole location to come implementation step operation 7.:
Carry out cross cutting according to the first step and add man-hour, (diameter is to get location hole at the edge of single
silicon carrier film 3
3mm); Carry out cross cutting according to second step and add man-hour, get location hole in relevant position, single face glue III8 edge, the size of this location hole and position are in full accord with the location hole that single
silicon carrier film 3 edges are got.Implementation step is 7. the time, and single
silicon carrier film 3 that will carry the double faced
adhesive tape 6 with regulation shape earlier is enclosed within on the reference column of supporting design according to the location hole at edge, and (diameter of reference column is
2.9mm, than the little 0.1mm of location hole diameter, make the product accuracy guarantee ± 0.15mm), the single face glue III8 that will carry the dustproof and
waterproof material 9 with regulation shape then is enclosed within on the reference column according to the location hole at edge, make double faced
adhesive tape 6 relative, use the pressing plate pressing at last with dustproof and
waterproof material 9 with regulation shape with regulation shape.Because the viscosity of single face glue III8 is less than double faced
adhesive tape 2 viscosity, just transferred to double faced
adhesive tape 6 surfaces so have the dustproof and
waterproof material 9 of regulation shape with regulation shape, stick the protection paster at last, thereby finish product processing.