CN105301908A - Surface atomization method for screen material - Google Patents
Surface atomization method for screen material Download PDFInfo
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- CN105301908A CN105301908A CN201410292534.6A CN201410292534A CN105301908A CN 105301908 A CN105301908 A CN 105301908A CN 201410292534 A CN201410292534 A CN 201410292534A CN 105301908 A CN105301908 A CN 105301908A
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- screen cloth
- atomized
- roller
- half tone
- tool
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Abstract
The invention provides a surface atomization method for a screen material. According to the method, redox reaction is carried out on the surface of a metal screen material on the basis of electrochemical reaction, so as to corrode the metal screen material to form multiple recesses in the surface of the metal screen material. The metal screen material atomized by the method provided by the invention is reduced in light reflectivity, thus ameliorating adhesive residue forming triangular section points at the intersections of longitudinal and latitudinal lines in the manufacturing process of a screen printing plate.
Description
Technical field
Net material, about a kind of net material surface method for making, is particularly atomized about one by the present invention, to improve because net material causes warp and weft staggered place to form the net material surface atomizing method for making of the situation of triangle section to the reflection of light.
Background technology
Half tone is the important tool of screen painting, is alternatively the important foundation of screen painting, and its screen cloth primarily of the how imperial fiber of spy, nylon fiber or metal material forms with warp, latitude direction interlacing, is fixed on a screen frame on after opening through certain tension force.The function of half tone is formed except version line except being, when also can control screen painting through ink amount; Therefore, the structure of half tone itself all can produce very large impact for the precision of printing, the infiltration capacity of ink thickness and ink.
The manufacturing theory of half tone, utilize photosensitive emulsion to the screen cloth formed after interweaving through, parallel of the chemical reaction of ultraviolet and half tone to carry out photosensitive lithographic, the part of non-plating is made to block mesh by photo-hardening, plating part is then because of photosensitive emulsion not after chemical reaction, can dissolve and hollow out when meeting water, and then form pattern required when printing.When carrying out screen painting, operator can utilize scraper exert pressure and then scrape ink, makes ink on printed material, stamp pattern through the mesh of hollow out, to reach the object of printing.
But, in existing half tone manufacture method, particularly the screen cloth of metal material is being used to manufacture in the process of half tone, because metal material has the characteristic of reflection ray, the screen cloth be made up of metal material likely can by ultraviolet part reflection from non-plating part toward plating, cause the photosensitive emulsion coating half tone plating part be subject to ultraviolet light irradiation and harden, and then cause half tone plating part cannot the situation of video picture.The schematic diagram of screen structure of Fig. 1 for being formed by existing half tone processing procedure.As shown in Figure 1, said circumstances can make half tone originally estimate the plating part 91 of hollow out, remains the emulsion of sclerosis and forms triangle section 92, thus affect the printing functionality of half tone in the staggered place of warp and weft.In addition, along with industry is more and more thinner for the requirement of printing wire diameter, the ratio shared on half tone of the triangle section formed because of above-mentioned reason becomes large relatively, and when causing printing, ink cannot the problem of strike through.
Summary of the invention
For the foregoing reasons, a fundamental purpose of the present invention is to provide a kind of net material surface atomizing method for making, it utilizes electrochemical reaction to carry out redox on the surface of wire netting material to be atomized by net material, reduce the reflectivity of wire netting material for light by this, and then improve the situation forming triangle section in half tone plating part.
Another object of the present invention is to provide a kind of net material surface atomizing method for making, it carries out redox through electrochemical reaction on the surface of wire netting material, make color burn or the blackening of Metal screen cloth, increase the absorptivity of wire netting material for light by this, and then improve the situation forming triangle section in half tone plating part further.
For reaching aforesaid object, the invention provides a kind of net material surface atomizing method for making, comprising the following steps: one throws the net step, an atomization steps, an application step, a step of exposure and a development step.One screen cloth to be atomized stretches with a predetermined tension and is fixed on a screen frame by described step of throwing the net, and to form a half tone, wherein, screen cloth to be atomized has by can the conductive part that forms of conductive material.Described atomization steps is further comprising the steps: prepare a tool, and this tool is non-conductive material, and tool has at least one openwork part corresponding with at least one required emboss area on half tone; Prepare a roller, this roller can conductive material be formed by one; The conductive part of screen cloth to be atomized and described roller and a power supply unit are electrically connected; An electrolytic solution is smeared at the conductive part of screen cloth to be atomized and roller; And, after power supply unit energising roller, by roller roll extrusion on tool, roller is contacted with screen cloth to be atomized by least one openwork part on tool, wherein, the conductive part of power supply unit, roller, electrolytic solution and screen cloth to be atomized forms primary Ioops and forms an electrochemical reaction, uses atomization screen cloth to be atomized.Emulsion is coated on half tone by described application step.One egative film with a predetermined pattern is placed between half tone and a ultraviolet light source by described step of exposure, and solidifies to make emulsion through ultraviolet light source shines half tone, and wherein, the predetermined pattern of egative film corresponds at least one required emboss area.Described development step uses clear water to rinse half tone to be dissolved by uncured emulsion, and at least one required emboss area simultaneously on half tone forms multiple opening.
According to one embodiment of the invention, described screen cloth to be atomized is a Metal screen cloth or a combined type screen cloth.
According to one embodiment of the invention, described tool to be fixed on a screen frame via a tension force stretching by the how imperial screen cloth of a spy and to form.
According to one embodiment of the invention, described roller is coated with the foam soaking electrolytic solution.
According to one embodiment of the invention, described screen cloth to be atomized is arranged with the foamed cotton layer being soaked in electrolytic solution.
According to one embodiment of the invention, described tool is provided with the multiple openwork parts corresponding to all required emboss area.
According to one embodiment of the invention, the size of each of described at least one openwork part is slightly larger than the size of at least one required emboss area corresponding to it
Accompanying drawing explanation
The schematic diagram of the screen structure that Fig. 1 is formed by existing manufacturing method of screen for display;
Fig. 2 is the process flow diagram of display according to the net material surface atomizing method for making of present pre-ferred embodiments;
Fig. 3 shows according in the net material surface atomizing method for making of present pre-ferred embodiments, one of atomization steps process flow diagram; And
Fig. 4 shows according in the net material surface atomizing method for making of present pre-ferred embodiments, an operation chart of atomization steps.
Wherein, description of reference numerals is as follows:
S21 throws the net step
S22 atomization steps
S221 ~ S225 step
S23 application step
S24 step of exposure
S25 development step
1 half tone
Emboss area needed for 11
3 tools
31 openwork parts
5 rollers
7 power supply units
91 plating parts
92 triangle sections
Embodiment
Below coordinate graphic and Reference numeral to do more detailed description to embodiments of the present invention, those of ordinary skill in the art can be implemented according to this after studying this instructions carefully.
Fig. 2 is the process flow diagram of display according to the net material surface atomizing method for making of present pre-ferred embodiments.As shown in Figure 2, net material surface atomizing method for making provided by the present invention, mainly includes one and to throw the net step S21, an atomization steps S22, an application step S23, a step of exposure S24 and a development step S25.Below, will sequentially be described for each step.
One screen cloth to be atomized stretches with a predetermined tension and is fixed on a screen frame, to form a half tone by the described step S21 that throws the net.The net material being intended to improve metal material in half tone due to method provided by the present invention causes half tone to form the problem of triangle section to the reflection of ultraviolet, therefore, screen cloth to be atomized can for the Metal screen cloth be made up of mesh wire completely, or can be the combined type screen cloth be jointly made up of metal and nonmetal netting twine.In addition, because the present invention adopts the means of electrochemical reaction to carry out the step be atomized, therefore, the wire netting material adopted at this screen cloth to be atomized is required to be can the metal material of conductive material.In the preferred embodiment, the material of wire netting material is steel wire.
Fig. 3 shows according in the net material surface atomizing method for making of present pre-ferred embodiments, a process flow diagram of atomization steps S22.Fig. 4 shows according in the net material surface atomizing method for making of present pre-ferred embodiments, an operation chart of atomization steps S22.As shown in Figure 3 and 4, described atomization steps S22 comprises step S221 ~ S225 further.First, in step S221, first prepare a tool 3.Tool 3 is required to be non-conductive material and forms, and tool 3 has with on half tone 1 needed for the corresponding openwork part 31 in emboss area 11.In the preferred embodiment, tool 3 to be fixed on a screen frame through a tension force stretching by the how imperial screen cloth of a spy and to form.In step S222, prepare by can the roller 5 that forms of conductive material.Then, in step S223, the conductive part of roller 5 and screen cloth to be atomized and a power supply unit 7 are electrically connected, as shown in Figure 4.In step S224, the conductive part and roller of screen cloth to be atomized smear an electrolytic solution.According to preferred embodiment of the present invention, in order to make the better effects if of electrochemical reaction, the coated roller 5 of foam (not being shown in figure) soaking electrolytic solution can be used, and/or screen cloth to be atomized is placed on be soaked in electrolytic solution foamed cotton layer (not being shown in figure) on.Finally, in step S225, to be energized roller 5 through power supply unit 7, and by roller 5 roll extrusion on tool 3, roller 5 to be contacted with screen cloth to be atomized by the openwork part 31 on tool 3.At this, power supply unit 7 can be alternating-current power supply.Thus, just can form primary Ioops at the conductive part of power supply unit 7, roller 5, electrolytic solution and screen cloth to be atomized, to carry out redox reaction through electrochemical reaction on net material, use atomization screen cloth to be atomized.
At this, it is worth mentioning that, atomization steps S22 can according to different tools 3 once to carry out or to be divided into repeatedly carrying out.In the embodiment once carried out, the tool 3 that step S221 prepares is provided with the multiple openwork parts 31 corresponding to all required emboss area 11.And atomization steps S22 is being divided in the embodiment repeatedly carried out, multiple tool 3 can be prepared in step S221, and each tool 3 is respectively arranged with the openwork part 31 corresponding to different required emboss area 11.In addition, according to preferred embodiment of the present invention, the size of each of openwork part 31 is slightly larger than the size of emboss area 11 needed for corresponding to it.
As shown in Figure 1, after atomization steps S22, then perform application step S23, emulsion is coated on half tone 1.Then, perform step of exposure S24, be placed between half tone and a ultraviolet light source by an egative film with a predetermined pattern, and solidify to make emulsion through ultraviolet light source shines half tone, wherein, the predetermined pattern of egative film corresponds to required emboss area.Finally, perform development step S25, use clear water to rinse half tone to be dissolved by uncured emulsion, at least one required emboss area simultaneously on half tone forms multiple opening, and described opening is plating part.
Half tone 1 after being atomized via atomization steps S22, net material surface can be corroded, and thus forms the recess of multiple shape inequality on the surface of net material.On wire netting material surface, multiple recesses of being formed can reduce the reflectivity of wire netting material for light, and then when being reduced in step of exposure S24, ultraviolet is reflexed to the situation of emboss area from non-emboss area by wire netting material.Thus, the situation forming triangle section in half tone plating part can be improved.In addition, the color of the wire netting material after redox process can deepen or blackening, thus adds the absorptivity of net material to light.The wire netting material of color burn can be reduced in the situation generation of reflect UV linear light in step of exposure S24 equally, is thus improved the situation forming triangle section in half tone plating part further.
The above is embodiments of the invention and exemplary applications thereof only, when unavailable to limit the enforceable scope of the present invention, and any those of ordinary skill in the art various improvement that can complete according to present disclosure and change, all should be considered as not departing from flesh and blood of the present invention and being covered by claims which follow.Everyly utilize present disclosure and institute's accompanying drawings and the equivalent structure reached, no matter be directly or indirectly be applied to this skill or other correlative technology field, all should be considered as belonging in claim of the present invention.
Claims (7)
1. a net material surface atomizing method for making, is characterized in that, comprise the following steps:
One throws the net step, is stretched by a screen cloth to be atomized and be fixed on a screen frame with a predetermined tension, and to form a half tone, wherein, this screen cloth to be atomized has by can the conductive part that forms of conductive material;
One atomization steps, comprises the following steps:
Prepare a tool, this tool is non-conductive material, and this tool has at least one openwork part corresponding with at least one required emboss area on this half tone;
Prepare a roller, this roller can conductive material be formed by one;
This conductive part of this screen cloth to be atomized and this roller and a power supply unit are electrically connected;
An electrolytic solution is smeared at this conductive part of this screen cloth to be atomized and this roller; And
This power supply unit is energized after this roller, by the roll extrusion on this tool of this roller, this roller is contacted with this screen cloth to be atomized by least one openwork part of this on this tool, wherein, this conductive part of this power supply unit, this roller, this electrolytic solution and this screen cloth to be atomized forms primary Ioops and forms an electrochemical reaction, uses this screen cloth to be atomized of atomization;
One application step, coats on this half tone by emulsion;
One step of exposure, one egative film with a predetermined pattern is placed between this half tone and a ultraviolet light source, and solidify to make emulsion through this half tone of this ultraviolet light source shines, wherein, this predetermined pattern of this egative film corresponds to this at least one required emboss area; And
One development step, uses clear water to rinse this half tone to be dissolved by uncured emulsion, and this at least one required emboss area simultaneously on this half tone forms multiple opening.
2. net material surface atomizing method for making according to claim 1, is characterized in that, this screen cloth to be atomized is a Metal screen cloth or a combined type screen cloth.
3. net material surface atomizing method for making according to claim 1, is characterized in that, this tool to be fixed on a screen frame via a tension force stretching by the how imperial screen cloth of a spy and to form.
4. net material surface atomizing method for making according to claim 1, it is characterized in that, this roller is coated with the foam soaking this electrolytic solution.
5. net material surface atomizing method for making according to claim 1, it is characterized in that, this screen cloth to be atomized is arranged with the foamed cotton layer being soaked in this electrolytic solution.
6. net material surface atomizing method for making according to claim 1, is characterized in that, this tool is provided with these openwork parts multiple corresponding to all described required emboss area.
7. according to the net material surface atomizing method for making according to claim 1 or 6, it is characterized in that, the size of each of this at least one openwork part is slightly larger than the size of this at least one required emboss area corresponding to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292534.6A CN105301908A (en) | 2014-06-25 | 2014-06-25 | Surface atomization method for screen material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292534.6A CN105301908A (en) | 2014-06-25 | 2014-06-25 | Surface atomization method for screen material |
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| CN105301908A true CN105301908A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410292534.6A Pending CN105301908A (en) | 2014-06-25 | 2014-06-25 | Surface atomization method for screen material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323852C (en) * | 2002-12-27 | 2007-07-04 | 富士胶片株式会社 | Original edition of lithographic printing plate |
| CN102653160A (en) * | 2011-03-04 | 2012-09-05 | 仓和有限公司 | Method for preparing screen for printing |
| CN103034050A (en) * | 2013-01-15 | 2013-04-10 | 北京市合众创能光电技术有限公司 | High-precision silver grid line screen production method for crystalline silicon solar cells |
| CN103448350A (en) * | 2013-08-09 | 2013-12-18 | 赫日光电（苏州）有限公司 | Sand carving processing method of precision screen printing plate |
-
2014
- 2014-06-25 CN CN201410292534.6A patent/CN105301908A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323852C (en) * | 2002-12-27 | 2007-07-04 | 富士胶片株式会社 | Original edition of lithographic printing plate |
| CN102653160A (en) * | 2011-03-04 | 2012-09-05 | 仓和有限公司 | Method for preparing screen for printing |
| CN103034050A (en) * | 2013-01-15 | 2013-04-10 | 北京市合众创能光电技术有限公司 | High-precision silver grid line screen production method for crystalline silicon solar cells |
| CN103448350A (en) * | 2013-08-09 | 2013-12-18 | 赫日光电（苏州）有限公司 | Sand carving processing method of precision screen printing plate |
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Application publication date: 20160203 |