CN103801482A - Glue coating and fitting process - Google Patents
Glue coating and fitting process Download PDFInfo
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- CN103801482A CN103801482A CN201410037829.9A CN201410037829A CN103801482A CN 103801482 A CN103801482 A CN 103801482A CN 201410037829 A CN201410037829 A CN 201410037829A CN 103801482 A CN103801482 A CN 103801482A
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Abstract
The invention discloses a glue coating and fitting process capable of improving efficiency and reducing reject ratio. The process comprises the following steps: firstly, coating the surface of a first substrate with glue by a straight line seam coating or curtain type coating process; then performing initial ultraviolet pre-curing on the first substrate coated with the glue, thereby initially curing the glue to form jelly type gel; adhering a to-be-fit second substrate to one face with the gel of the first substrate and press-fitting; and finally, secondarily curing the first substrate and the second substrate, which are fit, to form an integer. With the process disclosed by the invention, the glue coating region is regular, the appearance side boundary is in order, the thickness is uniform and consistent, and the flatness is high. In the fitting procedure, the condition that glue outward overflows to the outer side under the pressure effect is greatly alleviated so as to guarantee that the glue coating region cannot outward diffuse to produce glue overflowing. According to the technical scheme, the fit is convenient after the glue becomes the gel, special processes and environment restrictions are unnecessary, the demand on facilities is greatly lowered, the whole glue coating process is simplified, and the production cost is reduced.
Description
Technical field:
The present invention relates to coating technique technical field, refer in particular to a kind of glue application, attaching process of raising the efficiency, reducing fraction defective.
Background technology:
Coating technique is glue, oil or other liquid is smeared, embedding, point drip on product, the effect such as allows product play to paste, embedding, insulation, fixing, smooth surface, light transmission are good.In electronic liquid crystal display or electric paper book ink screen industry, often need to carry out glue application at present, two planar products are fit together.In this coating process, the glue using is generally curable glue, such as polyurethane coating, polyurethane acroleic acid gluing, epoxy polyurethane gluing etc.When use, the product of laminating, after UV curing (ultraviolet light polymerization), moisture-curable, is made to firm bonding of product formation.
At present, in the coating of display screen or optics module, the technique of laminating, for the ease of the coating of glue, practical glue is the good liquid of mobility normally, by coating apparatus, glue is uniformly coated on the base material that needs laminating (as glass, PC, PMMA material surface), after being coated with, the material of needs laminating is placed on to the one side of glue coating on base material, then carry out pressing, air between the two extrudes, last, is cured PROCESS FOR TREATMENT.In whole process, can there is following problem:
1, because be coated with glue is liquid shape, in laminating process, glue under pressure can be to base material edge-diffusion, there is diffusion by the edges of regions that causes glue application in this, and cause the edge in gluing region to form fluctuating shape, have the glue phenomenon of significantly overflowing, these excessive glue will bring unnecessary trouble to follow-up manufacture craft, and also affect the aesthetics of product.
2, adopt traditional coating attaching process, in order to ensure there not being the unfavorable conditions such as bubble in gluing region in laminating process, conventionally very high to the technological requirement of laminating, even can require to complete bonding process under vacuum condition, this has improved greatly manufactures cost.
3, adopt traditional coated body and technique, because glue is liquid, cannot guarantee the flatness of this glue layer, may cause the glue layer thickness deviation in local corner considerably beyond setting value, thereby after causing occurring laminating there is larger error in product flatness.
In sum, there is many deficiencies in current glue application, attaching process, and the inventor, through constantly research, proposes following technical scheme.
Summary of the invention:
Technical problem to be solved by this invention, is just to overcome the deficiencies in the prior art, and a kind of glue application, attaching process are provided.
In order to solve the problems of the technologies described above, the present invention has adopted following technical proposals: the coating attaching process of this glue, it comprises the following steps: one, adopt the coating of straight line sealing or curtain coating technique by glue application at the first substrate surface; Two, the first base material that has been coated with glue is carried out to primary solidification, make the jellied gel of glue primary solidification shape; Three, the second base material of needs laminating is attached to the one side on the first base material with gel, and pressing; Four, the first base material bonded to each other and the second base material are carried out to regelate, after solidifying, form an entirety.
Furthermore, in technique scheme, described primary solidification completeness is 10%-80%, and preferential scheme is that primary solidification completeness is 20-30%.
Furthermore, in technique scheme, described glue primary solidification adopts UV precuring.
Furthermore, in technique scheme, described gel regelate adopts moisture-curable or UV to solidify.
Furthermore, in technique scheme, the glue coating head using in described straight line sealing coating process has a linear pattern gum outlet, upwards be formed with the gap of flowing out for glue along gum outlet, in glue coating head, be also formed with the glue storage cavity being communicated with described gap, outside storage glue tank is communicated with this glue storage cavity by pipeline.
Furthermore, in technique scheme, the end of described glue coating head is wedge shape.
Adopt after technique scheme, the present invention has following beneficial effect compared with prior art:
1, the present invention is adopting straight line sealing coating process, and coating glue region is out fairly regular like this, and its consistency of thickness, and flatness is high.
2, the present invention is in laminating process, first glue is carried out to primary solidification, the glue that makes liquid state is through the jellied gel of primary solidification shape, like this glue under pressure laterally beneficial situation will greatly alleviate, thereby can guarantee that glue application region can be to external diffusion.
3, adopt technical scheme of the present invention, because glue becomes after gel, more convenient in laminating, without special technique, environmental limitations, the requirement of equipment is also reduced greatly, make whole coating technique more simplify, reduce and manufactured cost.
Accompanying drawing explanation:
Fig. 1 is process chart of the present invention.
The specific embodiment:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
The present invention is for the coating of electronic liquid crystal display or optics module, the technique of laminating.In the present invention, the glue of described use is solidified glue, such as polyurethane coating, polyurethane acroleic acid gluing, epoxy polyurethane gluing etc.Preferred " Henkel " 5192 glue in the present embodiment.
As shown in Figure 1, technique of the present invention is as follows.
First, adopt straight line sealing coating process (also claiming curtain coating) that glue 21 is coated on to the first base material 1 surface.Described straight line sealing coating process mainly refers to that its glue coating head 4 adopting is different from conventional glue coating head.The end of this glue coating head 4 is wedge shape, the bottom surface of this end offers has linear pattern gum outlet 41, upwards be formed with the gap 42 of flowing out for glue along gum outlet 41, in glue coating head 4, be also formed with the glue storage cavity 43 being communicated with described gap 42, outside storage glue tank is communicated with this glue storage cavity 43 by pipeline.While carrying out glue application by this glue coating head 4 on the surface of the first base material 1, glue coating head 4 drive unit drive under along straightaway, the glue peak width of each coating is just in time identical with the width of gum outlet 41, can guarantee be like this coated with region shape rule, the edge of dispensing area forms linear pattern, and the thickness of glue 21 has higher uniformity.
Above-mentioned the first base material 1 is generally glass material, after glue 21 has been coated with, first passes through UV precuring, carries out primary solidification operation.Be cured by ultraviolet light irradiation.Described primary solidification completeness is 10%-80%.In the present embodiment, according to the glue material of its use, primary solidification completeness is 20-30%.The time of different glue curing is different with irradiation intensity, and the standard of institute's foundation is: in the time that liquid glue 21 becomes the gel of jelly shape, stop primary solidification.Now, the lip-deep glue of the first base material 1 has become solid-state gel, and it can not flow, so in subsequent treatment process, whole gluing region there will not be because the mobile flatness producing of glue reduces, and occurs to unfavorable conditions such as external diffusions.
After primary solidification, second base material 3, the second base materials 3 of just can fitting on the first base material 1 can be the materials such as glass, plastic sheet, film.Its correspondence is covered on the gluing region of the first base material 1, then carry out suitable pressing, first, second base material 1,3 is pressed together.Then, last, the first base material 1 bonded to each other and the second base material 3 are carried out to regelate, after solidifying, form an entirety.Described regelate adopts moisture-curable, makes functional group in gel 22 be cross-linked, solidify.
The present invention adopts after technique scheme, and it has the following advantages with respect to prior art:
1, after primary solidification, glue 21 becomes gel 22, can improve like this problem of Bubble formation in pressing process.
2, under gel 22 states, fit, its excessive glue rate will be reduced to below 0.15%.
3, under gel 22 states, fit, after laminating, the flatness tolerance of product will be reduced to below 5 microns.
4, under gel 22 states, fit, the edge in gluing region will keep formation state, improve the aesthetics of product.
5, the present invention reduces equipment requirement, and its manufacture craft is relatively simple, can reduce production costs.
Certainly, the foregoing is only specific embodiments of the invention, be not to limit the scope of the present invention, all according to equivalence variation or modification that described in the present patent application the scope of the claims, structure, feature and principle are done, all should be included in the present patent application the scope of the claims.
Claims (7)
1. a coating attaching process for glue, is characterized in that: it comprises the following steps:
One, adopt the coating of straight line sealing or curtain coating technique that glue (21) is coated on to the first base material (1) surface;
Two, the first base material (1) that has been coated with glue (21) is carried out to primary solidification, make the jellied gel of glue (21) primary solidification shape (22);
Three, second base material (3) of needs laminating is attached to the one side on the first base material (1) with gel (22), and pressing;
Four, last, the first base material (1) bonded to each other and the second base material (3) are carried out to regelate, after solidifying, form an entirety.
2. a kind of glue application according to claim 1, attaching process, is characterized in that: described primary solidification completeness is 10%-80%.
3. a kind of glue application according to claim 1, attaching process, is characterized in that: described primary solidification completeness is 20-30%.
4. a kind of glue application according to claim 1, attaching process, is characterized in that: described glue (21) primary solidification adopts ultraviolet curing.
5. a kind of glue application according to claim 1, attaching process, is characterized in that: described gel (22) regelate adopts moisture-curable or ultraviolet curing.
6. according to a kind of glue application, attaching process described in any one in claim 1-5, it is characterized in that: the glue coating head (4) using in described straight line sealing coating or curtain coating technique has a linear pattern gum outlet (41), upwards be formed with the gap (42) of flowing out for glue along gum outlet (41), in glue coating head (4), be also formed with the glue storage cavity (43) being communicated with described gap (42), outside storage glue tank is communicated with this glue storage cavity (43) by pipeline.
7. a kind of glue application according to claim 6, attaching process, is characterized in that: the end of described glue coating head (4) is wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037829.9A CN103801482A (en) | 2014-01-25 | 2014-01-25 | Glue coating and fitting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410037829.9A CN103801482A (en) | 2014-01-25 | 2014-01-25 | Glue coating and fitting process |
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| CN103801482A true CN103801482A (en) | 2014-05-21 |
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| CN201410037829.9A Pending CN103801482A (en) | 2014-01-25 | 2014-01-25 | Glue coating and fitting process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675559A (en) * | 2017-08-30 | 2018-02-09 | 安徽省德邦瓷业有限公司 | A kind of domestic ceramic product label paper gum layer processing unit (plant) |
| CN107697385A (en) * | 2017-08-30 | 2018-02-16 | 安徽省德邦瓷业有限公司 | A kind of barbola work of domestic ceramic product label paper |
| CN109752780A (en) * | 2018-12-04 | 2019-05-14 | 浙江宝乐维科技有限公司 | A kind of processing method of eyeglass pad pasting |
| CN109799567A (en) * | 2019-02-22 | 2019-05-24 | 浙江凯耀照明股份有限公司 | A kind of composite light guide plate and its assemble method for LED panel lamp |
| CN110055013A (en) * | 2019-04-01 | 2019-07-26 | 广州市建桥音响配件有限公司 | A kind of loudspeaker glue coating and its coating process |
| CN111258094A (en) * | 2020-02-12 | 2020-06-09 | 京东方科技集团股份有限公司 | Display module gluing assembly method and device |
| CN113019845A (en) * | 2021-03-17 | 2021-06-25 | 中国航发动力股份有限公司 | Gluing process |
| CN113262962A (en) * | 2020-06-04 | 2021-08-17 | 厦门市泽睿自动化科技有限公司 | Touch screen laminating method and glue coating device thereof |
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| JP2006019396A (en) * | 2004-06-30 | 2006-01-19 | Tokyo Electron Ltd | Substrate processing device |
| CN101011691A (en) * | 2006-02-03 | 2007-08-08 | 三星电子株式会社 | Narrow-gap type coating machine for manufacturing display device and method thereof |
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| CN202490743U (en) * | 2012-02-14 | 2012-10-17 | 东莞新能源科技有限公司 | Gap extruding and coating system |
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| JP2006019396A (en) * | 2004-06-30 | 2006-01-19 | Tokyo Electron Ltd | Substrate processing device |
| CN101011691A (en) * | 2006-02-03 | 2007-08-08 | 三星电子株式会社 | Narrow-gap type coating machine for manufacturing display device and method thereof |
| CN102049901A (en) * | 2009-10-29 | 2011-05-11 | 株式会社日立工业设备技术 | Inkjet coating device and inkjet coating method |
| CN102501560A (en) * | 2011-11-22 | 2012-06-20 | 汕头超声显示器（二厂）有限公司 | Binding method for capacitive touch screen |
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| KR20130106950A (en) * | 2012-03-21 | 2013-10-01 | 주식회사 호건 | The surface coating method for conformation |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675559A (en) * | 2017-08-30 | 2018-02-09 | 安徽省德邦瓷业有限公司 | A kind of domestic ceramic product label paper gum layer processing unit (plant) |
| CN107697385A (en) * | 2017-08-30 | 2018-02-16 | 安徽省德邦瓷业有限公司 | A kind of barbola work of domestic ceramic product label paper |
| CN109752780A (en) * | 2018-12-04 | 2019-05-14 | 浙江宝乐维科技有限公司 | A kind of processing method of eyeglass pad pasting |
| CN109799567A (en) * | 2019-02-22 | 2019-05-24 | 浙江凯耀照明股份有限公司 | A kind of composite light guide plate and its assemble method for LED panel lamp |
| CN110055013A (en) * | 2019-04-01 | 2019-07-26 | 广州市建桥音响配件有限公司 | A kind of loudspeaker glue coating and its coating process |
| CN111258094A (en) * | 2020-02-12 | 2020-06-09 | 京东方科技集团股份有限公司 | Display module gluing assembly method and device |
| CN113262962A (en) * | 2020-06-04 | 2021-08-17 | 厦门市泽睿自动化科技有限公司 | Touch screen laminating method and glue coating device thereof |
| CN113019845A (en) * | 2021-03-17 | 2021-06-25 | 中国航发动力股份有限公司 | Gluing process |
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Application publication date: 20140521 |