CN104191701A - Buffering and dustproof foam and production process thereof - Google Patents
Buffering and dustproof foam and production process thereof Download PDFInfo
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- CN104191701A CN104191701A CN201410393393.7A CN201410393393A CN104191701A CN 104191701 A CN104191701 A CN 104191701A CN 201410393393 A CN201410393393 A CN 201410393393A CN 104191701 A CN104191701 A CN 104191701A
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- cotton layer
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Abstract
The invention discloses buffering and dustproof foam. The foam is used for sealing and damping and comprises a first foam layer, an adhesive layer, a second foam layer and a release layer, wherein the first foam layer is semicircular-ring-shaped, the adhesive layer is adhered to the surface of one side of the first foam layer, the second foam layer is adhered to the first foam layer through the adhesive layer and is circular-ring-shaped, and the release layer is adhered to the surface of the other side of the first foam layer or the surface of the other side of the second foam layer through another adhesive layer; the first foam layer and the second foam layer are equal in inner ring diameter and are arranged concentrically. According to the foam, circular-ring-shaped foam and semicircular-ring-shaped foam are integrated into stepped foam through adhering, so that the foam can be snapped between a camera and a shell cover in a better fit manner and has good sealing and damping effects. The invention further discloses a production process which is used for producing the buffering and dustproof foam. The process disclosed by the invention has the advantages that automatic waste discharge is achieved, broken filaments are reduced, and the overall productivity is improved.
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, between embedding camera and cap that the foam of this annular can not be docile, seal shock-proof weak effect.
Summary of the invention
the object of this invention is to provide the stepped foam of a kind of annular foam and semicircle annular foam one, 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 comprise be semicircle annular the first foamed cotton layer, stick on glue-line on described the first foamed cotton layer one side surface, stick on described the first foamed cotton layer and be the second foamed cotton layer of annular, stick on described the first foamed cotton layer opposite side surface or the lip-deep release layer of described the second foamed cotton layer opposite side by another glue-line by described glue-line, the setting of the identical and concentric of the interior ring diameter of described the first foamed cotton layer and described the second foamed cotton layer.
preferably, the outer ring diameter of described the first foamed cotton layer and described the second foamed cotton layer is identical.
preferably, described the first foamed cotton layer and described the 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: required foamed cotton layer, glue-line, the release layer of preparatory technology is some;
(2) cut: described foamed cotton layer, described glue-line, described release layer are divided and be switched to certain size;
(3) paste: the described glue-line obtaining in step (2) is sticked on the described foamed cotton layer obtaining in step (2), obtain being pasted with the first foamed cotton layer of the first glue-line, the more described release layer obtaining in step (2) is sticked on the another side of the first glue-line;
(4) die-cut: by the first mould die-cut described the first foamed cotton layer and described the first glue-line simultaneously, go out the rectangular elements that several shapes are identical and interval is equal, described the first mould tears described rectangular elements off simultaneously from described the first foamed cotton layer and described the first glue-line, locating hole is gone out at the edge that described the first mould exceeds described the first foamed cotton layer at described release layer;
(5) secondary is pasted: the described glue-line obtaining in step (2) is sticked on the described foamed cotton layer obtaining in step (2), obtain being pasted with the second foamed cotton layer of the second glue-line, described the second foamed cotton layer is sticked on to described the first foamed cotton layer that step (4) obtains by described the second glue-line and be 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 the first foamed cotton layer, described the first glue-line, described the second foamed cotton layer, described the second glue-line that obtain in the second die cutting die die-cut step of while (5), described the second die cutting die is gone out ring in semicircle on described the first foamed cotton layer and described the first glue-line, described the second die cutting die is gone out circular described interior ring on described the second foamed cotton layer and described the second glue-line, the radius of described interior ring is less than the width of described rectangular elements, and described the second die cutting die tears waste material off simultaneously;
(7) three times die-cut: by the described locating hole on described release layer, with described the first foamed cotton layer, described the first glue-line, described the second foamed cotton layer, described the second glue-line that obtain in the 3rd die cutting die die-cut step of while (6), described the 3rd die cutting die is gone out semicircle outer shroud on described the first foamed cotton layer and described the first glue-line, described the 3rd die cutting die is gone out circular described outer shroud on described the second foamed cotton layer and described the second glue-line, the radius of described outer shroud is less than the width of described rectangular elements, and described the 3rd die cutting die tears waste material off simultaneously.
preferably, described the first foamed cotton layer and described the second foamed cotton layer are made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer respectively.
preferably, described the first glue-line and described the 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: a kind of buffering of the present invention, dustproof foam are by pasting annular foam and semicircle annular foam one for stepped foam, can be more docile snap between camera and cap, seal shock-proof is effective.Technique of the present invention has realized automatic waste discharge, has reduced lousiness, and overall throughput improves.
Brief description of the drawings
accompanying drawing 1 is for technique of the present invention is through step (7) product figure afterwards;
accompanying drawing 2 is the cutaway 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 a kind of buffering, dustproof foam, for the damping between camera and cap, sealing, waterproof, dustproof, this foam comprises the first foamed cotton layer 1 that is semicircle annular, stick on the second glue-line 4 on these the first foamed cotton layer 1 one side surfaces, stick on the first foamed cotton layer 1 and be the second foamed cotton layer 3 of annular by the second glue-line 4, stick on the lip-deep release layer 5 of the first foamed cotton layer 1 opposite side by the first glue-line 2, certainly, this release layer 5 also can stick on the another side of the second foamed cotton layer 3, the setting of the identical and concentric of the interior ring diameter of the first foamed cotton layer 1 and the second foamed cotton layer 3.In the present embodiment, the first foamed cotton layer 1 is identical with the outer ring diameter of the second foamed cotton layer 3.The 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 more docile being arranged between cap of camera, 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: required foamed cotton layer, glue-line, the release layer of preparatory technology is some, and 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 are divided and be switched to certain size, and the length of the release layer after cutting will be longer than the length of foamed cotton layer;
(3) paste: the glue-line obtaining in step (2) is sticked on the foamed cotton layer obtaining in step (2), obtain being pasted with the first foamed cotton layer 1 of the first glue-line 2, then the release layer 5 obtaining in step (2) is sticked on the another side of the first glue-line 2;
(4) die-cut: by the first mould die-cut the first foamed cotton layer 1 and the first glue-line 2 simultaneously, go out the rectangular elements 6 that several shapes are identical and interval is equal, this first mould tears off this rectangular elements 6 simultaneously from the first foamed cotton layer 1 and the first glue-line 2, 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: the glue-line obtaining in step (2) is sticked on the foamed cotton layer obtaining in step (2), obtain being pasted with the second foamed cotton layer 3 of the second glue-line 4, this second foamed cotton layer 3 is sticked on to the first foamed cotton layer 1 that step (4) obtains by the second glue-line 4 not to be pasted with in the one side of release layer 5, here release layer 5 that also can tear initiation the first foamed cotton layer 1 surface, then the second foamed cotton layer 3 is sticked on to the first foamed cotton layer 1 and tear off in the one side of release layer 5, and then release layer 5 is sticked 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 obtaining in the second die cutting die die-cut step of while (5), the first glue-line 2, the second foamed cotton layer 3, the second glue-line 4, this second die cutting die is gone out ring in semicircle on the first foamed cotton layer 1 and the first glue-line 2, with in this semicircle annular, encircle relative second half and be positioned at rectangular elements 6 by the position of vacating after tearing off, this second die cutting die is gone out ring in circle simultaneously on the second foamed cotton layer 3 and the second glue-line 4, the radius of this interior ring is less than the width of rectangular elements 6, after die-cut, the second die cutting die tears waste material off simultaneously,
(7) three times die-cut: by the locating hole 7 on release layer 5, with the first foamed cotton layer 1 obtaining in the 3rd die cutting die die-cut step of while (6), the first glue-line 2, the second foamed cotton layer 3, the second glue-line 4, the 3rd die cutting die is gone out semicircle outer shroud on the first foamed cotton layer 1 and the first glue-line 2, second half relative with this semicircle annular outer shroud is positioned at rectangular elements 6 by the position of vacating after tearing off, the 3rd die cutting die is gone 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, the 3rd die cutting die tears waste material off simultaneously.
above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to 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 comprise be semicircle annular the first foamed cotton layer, stick on glue-line on described the first foamed cotton layer one side surface, stick on described the first foamed cotton layer and be the second foamed cotton layer of annular, stick on described the first foamed cotton layer opposite side surface or the lip-deep release layer of described the second foamed cotton layer opposite side by another glue-line by described glue-line, the setting of the identical and concentric of the interior ring diameter of described the first foamed cotton layer and described the second foamed cotton layer.
2. a kind of buffering according to claim 1, dustproof foam, is characterized in that: the outer ring diameter of described the first foamed cotton layer and described the second foamed cotton layer is identical.
3. a kind of buffering according to claim 1, dustproof foam, is characterized in that: described the first foamed cotton layer and described the second foamed cotton layer are made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer respectively.
4. a kind of buffering according to claim 1, dustproof foam, is characterized in that: described glue-line is made up of acrylic acid or silica gel.
5. a production technology of producing buffering, dustproof foam described in claim 1, is characterized in that: comprise the following steps:
(1) get the raw materials ready: required foamed cotton layer, glue-line, the release layer of preparatory technology is some;
(2) cut: described foamed cotton layer, described glue-line, described release layer are divided and be switched to certain size;
(3) paste: the described glue-line obtaining in step (2) is sticked on the described foamed cotton layer obtaining in step (2), obtain being pasted with the first foamed cotton layer of the first glue-line, the more described release layer obtaining in step (2) is sticked on the another side of the first glue-line;
(4) die-cut: by the first mould die-cut described the first foamed cotton layer and described the first glue-line simultaneously, go out the rectangular elements that several shapes are identical and interval is equal, described the first mould tears described rectangular elements off simultaneously from described the first foamed cotton layer and described the first glue-line, locating hole is gone out at the edge that described the first mould exceeds described the first foamed cotton layer at described release layer;
(5) secondary is pasted: the described glue-line obtaining in step (2) is sticked on the described foamed cotton layer obtaining in step (2), obtain being pasted with the second foamed cotton layer of the second glue-line, described the second foamed cotton layer is sticked on to described the first foamed cotton layer that step (4) obtains by described the second glue-line and be 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 the first foamed cotton layer, described the first glue-line, described the second foamed cotton layer, described the second glue-line that obtain in the second die cutting die die-cut step of while (5), described the second die cutting die is gone out ring in semicircle on described the first foamed cotton layer and described the first glue-line, described the second die cutting die is gone out circular described interior ring on described the second foamed cotton layer and described the second glue-line, the radius of described interior ring is less than the width of described rectangular elements, and described the second die cutting die tears waste material off simultaneously;
(7) three times die-cut: by the described locating hole on described release layer, with described the first foamed cotton layer, described the first glue-line, described the second foamed cotton layer, described the second glue-line that obtain in the 3rd die cutting die die-cut step of while (6), described the 3rd die cutting die is gone out semicircle outer shroud on described the first foamed cotton layer and described the first glue-line, described the 3rd die cutting die is gone out circular described outer shroud on described the second foamed cotton layer and described the second glue-line, the radius of described outer shroud is less than the width of described rectangular elements, and described the 3rd die cutting die tears waste material off simultaneously.
6. the production technology of a kind of buffering according to claim 5, dustproof foam, is characterized in that: described the first foamed cotton layer and described the second foamed cotton layer are made up of the one in PU foam, CR, EVA, PORON, RUBBER elastomer respectively.
7. the production technology of a kind of buffering according to claim 5, dustproof foam, is characterized in that: described the first glue-line and described the second glue-line are made up of the one in acrylic acid or silica gel respectively.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
|---|---|
| CN104191701A true CN104191701A (en) | 2014-12-10 |
| CN104191701B CN104191701B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410393393.7A Active CN104191701B (en) | 2014-08-12 | 2014-08-12 | A kind of buffering, dustproof foam and production technology thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104985632A (en) * | 2015-06-09 | 2015-10-21 | 隆扬电子（昆山）有限公司 | Production technology free of sponge elastomer punching deformation |
| 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 |
| CN108582799A (en) * | 2018-06-11 | 2018-09-28 | 东莞市美芯龙物联网科技有限公司 | A kind of grenadine processing unit (plant) and grenadine processing technology |
| CN108748396A (en) * | 2018-06-11 | 2018-11-06 | 东莞市美芯龙物联网科技有限公司 | A kind of foam rubber manufacturing device and foam rubber manufacturing process |
| CN110936672A (en) * | 2019-12-10 | 2020-03-31 | 扬州然创新材料科技有限公司 | Silica gel foam with good ventilation effect |
| CN111331666A (en) * | 2019-12-30 | 2020-06-26 | 昆山六淳智能科技有限公司 | Inner frame waste discharge device and waste discharge process for flat-blade die-cutting machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104985632A (en) * | 2015-06-09 | 2015-10-21 | 隆扬电子（昆山）有限公司 | Production technology free of sponge elastomer punching deformation |
| 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 |
| CN108582799A (en) * | 2018-06-11 | 2018-09-28 | 东莞市美芯龙物联网科技有限公司 | A kind of grenadine processing unit (plant) and grenadine processing technology |
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| 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 |
| 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 |
| CN110936672A (en) * | 2019-12-10 | 2020-03-31 | 扬州然创新材料科技有限公司 | Silica gel foam with good ventilation effect |
| 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 |
| CN111331666A (en) * | 2019-12-30 | 2020-06-26 | 昆山六淳智能科技有限公司 | Inner frame waste discharge device and waste discharge process for flat-blade die-cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191701B (en) | 2016-04-13 |
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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. |