CN104191701B - A kind of buffering, dustproof foam and production technology thereof - Google Patents
A kind of buffering, dustproof foam and production technology thereof Download PDFInfo
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- CN104191701B CN104191701B CN201410393393.7A CN201410393393A CN104191701B CN 104191701 B CN104191701 B CN 104191701B CN 201410393393 A CN201410393393 A CN 201410393393A CN 104191701 B CN104191701 B CN 104191701B
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Abstract
<b> the invention discloses </b><bGreatT.Gre aT.GT mono-kind buffering, dustproof foam, for seal shock-proof, foam comprises the first foamed cotton layer in semi-circular shape, be pasted onto the glue-line on the first surface, foamed cotton layer side, to be pasted onto on the first foamed cotton layer by glue-line and the second foamed cotton layer in </b><bGreatT.Gre aT.GT annular, the release layer on the first foamed cotton layer opposite side on the surface or the second foamed cotton layer opposite side surface is pasted onto by another glue-line, and the setting of concentric identical with the annular diameters of the second foamed cotton layer of first foamed cotton layer, </b><bGreatT.Gre aT.GT the present invention is by pasting for stepped foam by annular foam and semi-circular shape foam one, can be more docile snap between camera and cap, seal shock-proof is effective.The invention also discloses the production technology of a kind of </b><bGreatT.Gre aT.GT for the production of above-mentioned buffering, dustproof foam, </b><bGreatT.Gre aT.GT present invention process achieves automatic waste discharge, decrease lousiness, overall throughput improves.</b>
Description
Technical field
the present invention relates to a kind of buffering, dustproof foam and production technology thereof.
Background technology
existing various for mobile phone camera, NB camera, digital still camera camera in the market, the seal shock-proof foam that Internet bar's video frequency pick-up head, various monitoring camera, mine anti-explosion are made a video recording on first-class camera mostly is annular foam, the foam of this annular can not be docile embedding camera and cap between, seal shock-proof weak effect.
Summary of the invention
the object of this invention is to provide a kind of annular foam and semi-circular shape foam one stepped foam, can be more docile snap between camera and cap, seal shock-proof is effective.
for achieving the above object, the technical solution used in the present invention is:
a kind of buffering, dustproof foam, for seal shock-proof, described foam comprises the first foamed cotton layer in semi-circular shape, the glue-line be pasted onto on described first surface, foamed cotton layer side, to be pasted onto on described first foamed cotton layer by described glue-line and the second foamed cotton layer in annular, to be pasted onto the release layer of described first foamed cotton layer opposite side on the surface or on described second foamed cotton layer opposite side surface by another glue-line, and the setting of concentric identical with the annular diameters of described second foamed cotton layer of described first foamed cotton layer.
preferably, described first foamed cotton layer is identical with the outer annular diameter of described second foamed cotton layer.
preferably, described first foamed cotton layer and described second foamed cotton layer are made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer respectively.
preferably, described glue-line is made up of acrylic acid or silica gel.
for the production of a production technology for above-mentioned buffering, dustproof foam, it is characterized in that: comprise the following steps:
(1) get the raw materials ready: the foamed cotton layer needed for preparatory technology, glue-line, release layer are some;
(2) cut: described foamed cotton layer, described glue-line, described release layer are divided and is switched to certain size;
(3) paste: the described glue-line obtained in step (2) is pasted onto on the described foamed cotton layer obtained in step (2), obtain the first foamed cotton layer being pasted with the first glue-line, the more described release layer obtained in step (2) is pasted onto on the another side of the first glue-line;
(4) die-cut: by the first mould die-cut described first foamed cotton layer and described first glue-line simultaneously, go out the identical and rectangular elements that interval is equal of several shapes, described rectangular elements tears off from described first foamed cotton layer and described first glue-line by described first mould simultaneously, and locating hole is gone out at the edge that described first mould exceeds described first foamed cotton layer at described release layer;
(5) secondary is pasted: be pasted onto by the described glue-line obtained in step (2) on the described foamed cotton layer obtained in step (2), obtain the second foamed cotton layer being pasted with the second glue-line, described second foamed cotton layer is pasted onto by described second glue-line described first foamed cotton layer that step (4) obtains and is not pasted with in the one side of described release layer;
(6) secondary punch: by the described locating hole on described release layer, with described first foamed cotton layer, described first glue-line, described second foamed cotton layer, described second glue-line that obtain in the second die cutting die simultaneously blanking process (5), described second die cutting die goes out semicircle inner ring on described first foamed cotton layer and described first glue-line, described second die cutting die goes out circular described inner ring on described second foamed cotton layer and described second glue-line, the radius of described inner ring is less than the width of described rectangular elements, and waste material tears off by described second die cutting die simultaneously;
(7) three times die-cut: by the described locating hole on described release layer, with described first foamed cotton layer, described first glue-line, described second foamed cotton layer, described second glue-line that obtain in the 3rd die cutting die simultaneously blanking process (6), described 3rd die cutting die goes out semicircle outer shroud on described first foamed cotton layer and described first glue-line, described 3rd die cutting die goes out circular described outer shroud on described second foamed cotton layer and described second glue-line, the radius of described outer shroud is less than the width of described rectangular elements, and waste material tears off by described 3rd die cutting die simultaneously.
preferably, described first foamed cotton layer and described second foamed cotton layer are made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer respectively.
preferably, described first glue-line and described second glue-line are made up of the one in acrylic acid or silica gel respectively.
due to the utilization of technique scheme, the present invention compared with prior art has following advantages: the present invention's one buffering, dustproof foam are by pasting for stepped foam by annular foam and semi-circular shape foam one, can be more docile snap between camera and cap, seal shock-proof is effective.Present invention process achieves automatic waste discharge, decreases lousiness, and overall throughput improves.
Accompanying drawing explanation
accompanying drawing 1 is the product figure of present invention process after step (7);
accompanying drawing 2 is the sectional view along AA line in accompanying drawing 1.
wherein: 1, the first foamed cotton layer; 2, the first glue-line; 3, the second foamed cotton layer; 4, the second glue-line; 5, release layer; 6, rectangular elements; 7, locating hole.
Detailed description of the invention
below in conjunction with accompanying drawing, technical scheme of the present invention is further elaborated.
shown in Fig. 1-2, above-mentioned one buffering, dustproof foam, for the damping between camera and cap, sealing, waterproof, dust-proof, this foam comprises the first foamed cotton layer 1 in semi-circular shape, be pasted onto the second glue-line 4 on this surface, the first foamed cotton layer 1 side, to be pasted onto on the first foamed cotton layer 1 by the second glue-line 4 and the second foamed cotton layer 3 in annular, the release layer 5 on the first foamed cotton layer 1 opposite side surface is pasted onto by the first glue-line 2, certainly, this release layer 5 also can be pasted onto on the another side of the second foamed cotton layer 3, and the setting of concentric identical with the annular diameters of the second foamed cotton layer 3 of first foamed cotton layer 1.In the present embodiment, the first foamed cotton layer 1 is identical with the outer annular diameter of the second foamed cotton layer 3.First foamed cotton layer 1 and the second foamed cotton layer 3 are made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer respectively, and glue-line is made up of acrylic acid or silica gel.
by the use of above-mentioned foam, can make camera more docile be arranged between cap, damping sealing better effects if.
for the production of a production technology for above-mentioned buffering, dustproof foam, comprise the following steps:
(1) get the raw materials ready: the foamed cotton layer needed for preparatory technology, glue-line, release layer are some, this foamed cotton layer is made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer, and this glue-line is made up of the one in acrylic acid or silica gel;
(2) cut: foamed cotton layer, glue-line, release layer divided and be switched to certain size, the length of the release layer after cutting will be longer than the length of foamed cotton layer;
(3) paste: the glue-line obtained in step (2) is pasted onto on the foamed cotton layer obtained in step (2), obtains the first foamed cotton layer 1 being pasted with the first glue-line 2, then the release layer 5 obtained in step (2) is pasted onto on the another side of the first glue-line 2;
(4) die-cut: by the first mould die-cut first foamed cotton layer 1 and the first glue-line 2 simultaneously, go out the identical and rectangular elements 6 that interval is equal of several shapes, this rectangular elements 6 tears off from the first foamed cotton layer 1 and the first glue-line 2 by this first mould simultaneously, and several locating holes 7 are gone out in the position, both sides of the edge that this first mould exceeds the first foamed cotton layer 1 at release layer 5;
(5) secondary is pasted: be pasted onto by the glue-line obtained in step (2) on the foamed cotton layer obtained in step (2), obtain the second foamed cotton layer 3 being pasted with the second glue-line 4, this second foamed cotton layer 3 is pasted onto by the second glue-line 4 the first foamed cotton layer 1 that step (4) obtains not to be pasted with in the one side of release layer 5, here also can the release layer 5 on tear initiation first foamed cotton layer 1 surface, then the second foamed cotton layer 3 is pasted onto the first foamed cotton layer 1 to tear off in the one side of release layer 5, and then release layer 5 is pasted onto on the another side of the second foamed cotton layer 3;
(6) secondary punch: by the locating hole 7 on release layer 5, with the first foamed cotton layer 1 obtained in the second die cutting die simultaneously blanking process (5), first glue-line 2, second foamed cotton layer 3, second glue-line 4, this second die cutting die goes out semicircle inner ring on the first foamed cotton layer 1 and the first glue-line 2, second half relative with this semi-circular shape inner ring is positioned at rectangular elements 6 by the position vacated after tearing off, this second die cutting die goes out circular inner simultaneously on the second foamed cotton layer 3 and the second glue-line 4, the radius of this inner ring is less than the width of rectangular elements 6, after die-cut, waste material tears off by the second die cutting die simultaneously,
(7) three times die-cut: by the locating hole 7 on release layer 5, with the first foamed cotton layer 1 obtained in the 3rd die cutting die simultaneously blanking process (6), first glue-line 2, second foamed cotton layer 3, second glue-line 4, 3rd die cutting die goes out semicircle outer shroud on the first foamed cotton layer 1 and the first glue-line 2, second half relative with this semi-circular shape outer shroud is positioned at rectangular elements 6 by the position vacated after tearing off, 3rd die cutting die goes out circular outer shroud simultaneously on the second foamed cotton layer 3 and the second glue-line 4, the radius of this outer shroud is less than the width of rectangular elements 6, after die-cut, waste material tears off by the 3rd die cutting die simultaneously.
above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (7)
1. a buffering, dustproof foam, for seal shock-proof, it is characterized in that: described foam comprises the first foamed cotton layer in semi-circular shape, the glue-line be pasted onto on described first surface, foamed cotton layer side, to be pasted onto on described first foamed cotton layer by described glue-line and the second foamed cotton layer in annular, to be pasted onto the release layer of described first foamed cotton layer opposite side on the surface or on described second foamed cotton layer opposite side surface by another glue-line, and the setting of concentric identical with the annular diameters of described second foamed cotton layer of described first foamed cotton layer.
2. one buffering according to claim 1, dustproof foam, is characterized in that: described first foamed cotton layer is identical with the outer annular diameter of described second foamed cotton layer.
3. one buffering according to claim 1, dustproof foam, is characterized in that: described first foamed cotton layer and described second foamed cotton layer are made up of the one in PU foam, CR, EVA, RUBBER elastomer respectively.
4. one buffering according to claim 1, dustproof foam, is characterized in that: described glue-line is made up of acrylic acid or silica gel.
5. produce a production technology for buffering, dustproof foam described in claim 1, it is characterized in that: comprise the following steps:
(1) get the raw materials ready: the foamed cotton layer needed for preparatory technology, glue-line, release layer are some;
(2) cut: cut described foamed cotton layer, described glue-line, described release layer;
(3) paste: the described glue-line obtained in step (2) is pasted onto on the described foamed cotton layer obtained in step (2), obtain the first foamed cotton layer being pasted with the first glue-line, the more described release layer obtained in step (2) is pasted onto on the another side of the first glue-line;
(4) die-cut: by the first mould die-cut described first foamed cotton layer and described first glue-line simultaneously, go out the identical and rectangular elements that interval is equal of several shapes, described rectangular elements tears off from described first foamed cotton layer and described first glue-line by described first mould simultaneously, and locating hole is gone out at the edge that described first mould exceeds described first foamed cotton layer at described release layer;
(5) secondary is pasted: be pasted onto by the described glue-line obtained in step (2) on the described foamed cotton layer obtained in step (2), obtain the second foamed cotton layer being pasted with the second glue-line, described second foamed cotton layer is pasted onto by described second glue-line described first foamed cotton layer that step (4) obtains and is not pasted with in the one side of described release layer;
(6) secondary punch: by the described locating hole on described release layer, with described first foamed cotton layer, described first glue-line, described second foamed cotton layer, described second glue-line that obtain in the second die cutting die simultaneously blanking process (5), described second die cutting die goes out semicircle inner ring on described first foamed cotton layer and described first glue-line, described second die cutting die goes out circular described inner ring on described second foamed cotton layer and described second glue-line, the radius of described inner ring is less than the width of described rectangular elements, and waste material tears off by described second die cutting die simultaneously;
(7) three times die-cut: by the described locating hole on described release layer, with described first foamed cotton layer, described first glue-line, described second foamed cotton layer, described second glue-line that obtain in the 3rd die cutting die simultaneously blanking process (6), described 3rd die cutting die goes out semicircle outer shroud on described first foamed cotton layer and described first glue-line, described 3rd die cutting die goes out circular described outer shroud on described second foamed cotton layer and described second glue-line, the radius of described outer shroud is less than the width of described rectangular elements, and waste material tears off by described 3rd die cutting die simultaneously.
6. the production technology of a kind of buffering according to claim 5, dustproof foam, is characterized in that: described first foamed cotton layer and described second foamed cotton layer are made up of the one in PU foam, CR, EVA, RUBBER elastomer respectively.
7. the production technology of a kind of buffering according to claim 5, dustproof foam, is characterized in that: described first glue-line and described second glue-line are made up of the one in acrylic acid or silica gel respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393393.7A CN104191701B (en) | 2014-08-12 | 2014-08-12 | A kind of buffering, dustproof foam and production technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410393393.7A CN104191701B (en) | 2014-08-12 | 2014-08-12 | A kind of buffering, dustproof foam and production technology thereof |
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| CN104191701A CN104191701A (en) | 2014-12-10 |
| CN104191701B true CN104191701B (en) | 2016-04-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104985632B (en) * | 2015-06-09 | 2016-10-05 | 隆扬电子（昆山）有限公司 | A kind of die-cut indeformable production technology of sponge elastomer |
| CN108099288A (en) * | 2017-12-20 | 2018-06-01 | 苏州益邦电子材料有限公司 | A kind of camera module foam |
| CN108748396B (en) * | 2018-06-11 | 2021-03-09 | 东莞市美芯龙物联网科技有限公司 | Foam rubber manufacturing device and foam rubber manufacturing process |
| CN108582799B (en) * | 2018-06-11 | 2021-02-12 | 东莞市美芯龙物联网科技有限公司 | Gauze processing device and gauze processing technology |
| CN110936672B (en) * | 2019-12-10 | 2022-02-08 | 扬州然创新材料科技有限公司 | Silica gel foam with good ventilation effect |
| CN111331666B (en) * | 2019-12-30 | 2022-01-18 | 昆山六淳智能科技有限公司 | Inner frame waste material waste discharge process for flat-blade die-cutting machine |
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| JP4125875B2 (en) * | 2001-04-13 | 2008-07-30 | 日東電工株式会社 | Sealant for electrical and electronic equipment |
| CN201657040U (en) * | 2010-01-29 | 2010-11-24 | 集科胶贴精密制品(深圳)有限公司 | Mobile phone loudspeaker foam material belt |
| KR20140142301A (en) * | 2012-03-19 | 2014-12-11 | 지-폼, 엘엘씨 | Protective impact absorbing structures with internal reinforcement and materials therefor |
| CN103248731A (en) * | 2013-05-21 | 2013-08-14 | 上海鼎讯电子有限公司 | Damping sealing structure for camera of mobile phone |
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Address after: 215300 No.99, Shunchang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Longyang Electronics (Kunshan) Co.,Ltd. Address before: 215300 No.99, Shunchang Road, Zhoushi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: LONG YOUNG ELECTRONICS (KUNSHAN) Co.,Ltd. |