A kind of silk-screen plate
Technical field
The present invention relates to serigraphy field, in particular, relate to a kind of silk-screen plate.
Background technology
Along with the development of screen printing technique, the width requirement of serigraphy lines is more and more meticulousr, and simultaneously the height aspect of slurry needs to control, and good straightness degree to printing lines, to widen little, the height index request such as little that rises and falls more next strict.
Tradition silk-screen plate, in the time that half tone is made, screen cloth grenadine need possess certain angle (22.5 degree, 30 degree, 45 degree and 60 degree etc.) with printing lines, thus causing printing lines region has a certain proportion of anastomose, needs the small opening skewness of strike through.The height of slurry can not ensure, affects the electrical property of slurry; For meeting and this condition, current traditional half tone technique can only solve lines printings more than 50 μ m.
If can realize the printing of 20-40 micron lines, guarantee simultaneously lines straight with certain altitude requirement, can be by cost 20%, in industry can Spring Festival holidays cost-saving approximately 1,000,000,000 dollars.In order to realize the printing of 20-40 micron hachure, the height of slurry, at 10-15 μ m, can adopt the printing technology of nickel screen electroforming to realize simultaneously, and printing effect the best of nickel screen electroforming.But nickel screen electroforming can not continuous printing, it is high that bulk article continues printing difficulty, simultaneously seriously polluted to environment of the production technology of nickel screen electroforming, what use is precious metal nickel, integrated cost costliness be the more than 5 times of traditional silk-screen process, and current equipment and technology all can not be supporting.
Summary of the invention
The present invention is directed to the above-mentioned technical problem existing in prior art, a kind of silk-screen plate is provided, adopt traditional silk-screened technology to realize, solved traditional silk-screen half tone and need print lines region and have anastomose, the problem that easily causes printing height to rise and fall, and with low cost.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of silk-screen plate, comprise the screen cloth of screen frame and screen frame inside, described screen cloth is the first screen cloth or is composited by silk screen combination process by the first screen cloth and the second screen cloth, wherein, at least described the first screen cloth comprises the first lines and the second lines arranged in length and breadth, described the first lines continuous arrangement, and in described the first line orientations, described the second lines adopt wire jumper weaving manner to arrange; Or, described the second lines continuous arrangement, and in described the second line orientations, described First Line strip adoption wire jumper weaving manner is arranged; According to the graphics shape of required printing reserved spillage to be printed region on described the first screen cloth, all the other positions on the first screen cloth arrange emulsion coating.
The wire diameter of described the first lines and the second lines is identical or different.
The wire jumper weaving manner of described the first lines or the second lines is arranged and is referred to according to often reserving wire jumper braiding outside certain space, in predetermined space.
Described screen cloth is woven wire, polyester net or nylon mesh.
The structure of described the first screen cloth and the second screen cloth is identical or different.
Described emulsion coating is that direct emulsion rubbing method or the attaching of water film form.
The graphics shape that described spillage to be printed region is required printing, its lines are parallel lines or curve.
When described the second lines continuous arrangement, described the first lines are according to wire jumper braiding in the predetermined space K1 outside every reserved certain space K2, the screen openings of described space K2 width=(two wire diameter of screen openings+the first lines of the first adjacent lines) two first adjacent lines of * N2+, N2 is in K2 width, the disappearance quantity of the first lines, N2 >=1; The wire diameter of space K1 width=(two wire diameter of screen openings+the first lines of the first adjacent lines) * (N1-1)+first lines, N1 is in K1 width, the braiding quantity of the first lines, N1 >=1; Or:
When described the first lines continuous arrangement, described the second lines are according to wire jumper braiding in the predetermined space K3 outside every reserved certain space K4, the screen openings of described space K4 width=(two wire diameter of screen openings+the second lines of the second adjacent lines) two second adjacent lines of * N4+, N4 is in K4 width, the disappearance quantity of the second lines, N4 >=1; The wire diameter of space K3 width=(two wire diameter of screen openings+the second lines of the second adjacent lines) * (N3-1)+second lines, N3 is in K3 width, the braiding quantity of the second lines, N3 >=1.
Described space K1 and space K3 width are identical or different.
Described space K2 and space K4 width are identical or different.
The beneficial effect that the present invention brings is as follows:
The invention solves traditional silk-screen half tone and need print lines region and have anastomose, easily cause printing height fluctuating problem.
The present invention has improved traditional silk-screen plate in printing process, and region to be printed contacts the problem closely that requires with stock, thereby can better control widening of slurry, keeps the grazing of lines.
The present invention can realize plate-making and the printing of meticulous lines on the basis of traditional screen printing, thereby greatly reduce the requirement of the meticulous lines printing of high-quality mass production and the dependence to special typographies such as electroforming nets, simplify typography, reduced printing cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of silk-screen plate provided by the present invention;
Fig. 2 is a silk screen schematic diagram in screen cloth;
Fig. 3 is the weaving method schematic diagram of the first lines in the first screen cloth provided by the invention;
Fig. 4 is the weaving method schematic diagram of the second lines in the first screen cloth provided by the invention.
The specific embodiment
Below technical scheme of the present invention to be described further in conjunction with Figure of description by specific embodiment.
Shown in Fig. 1~Fig. 4, silk-screen plate provided by the present invention, comprise the screen cloth of screen frame 3 and screen frame 3 inside, screen cloth can be a kind of braiding structure, the first screen cloth 1 as shown in Figure 1, or two kinds of identical or different braiding structures that are composited by silk screen combination process, the first screen cloth 1 as shown in Figure 1 and the second screen cloth 2.Wherein the braiding structure of the first screen cloth 1 as shown in Figure 3 and Figure 4, is specially: comprise the first lines 11 and the second lines 12 arranged in length and breadth.When the first lines 11 continuous arrangement, in the first lines 11 directions, the second lines 12 adopt the braiding of wire jumper weaving manner.Or when the second lines 12 continuous arrangement, in the second lines 12 directions, the first lines 11 adopt the braiding of wire jumper weaving manner.The wire diameter of the first lines 11 and the second lines 12 is identical or different.When the second lines 12 continuous arrangement, the first lines 11 are according to often reserved certain space K2, wire jumper braiding in predetermined space K1.When the first lines 11 continuous arrangement, the second lines 12 are according to often reserved certain space K4, wire jumper braiding in predetermined space K3.On the first screen cloth 11, according to all the other positions on 4, the first screen cloths 1 of the reserved spillage to be printed of the graphics shape of required printing region, emulsion coating 5 is set.
In the embodiment of the present invention, screen frame 3 can be all serigraphy screen frames such as metal casting frame, aluminium frame.The first screen cloth 1 and the second screen cloth 2 can be the silk-screen screen cloths such as woven wire, polyester net, nylon mesh, and the weaving manner of the second screen cloth 1 and the first screen cloth 2 can be identical, also can be different.Or, also can only have the first screen cloth 1, and there is no the second screen cloth 2.Emulsion coating 5 is conventional screen printing emulsion, can be that direct emulsion rubbing method or the attaching of water film form. the graphic designs that spillage to be printed region 4 is required printing, its lines can be parallel lines or curve.
One of them silk screen that the lines of arranging in length and breadth in screen cloth shown in Fig. 2 form, the distance L between lines is called screen openings, and the diameter D of lines is called silk screen wire diameter.
In the time of the second lines 12 continuous arrangement, the arrangement of the first lines 11, according to often reserved certain space K2, wire jumper braiding in predetermined space K1.Wherein: the screen openings L of space K2 width=(two the wire diameter D of screen openings L+ first lines 11 of the first adjacent lines 11) two first adjacent lines 11 of * N2+, N2 is in K2 width, the disappearance quantity of the first lines 11, N2 >=1; The wire diameter D of space K1 width=(two the wire diameter D of screen openings L+ first lines of the first adjacent lines 11) * (N1-1)+first lines 11, N1 is in K1 width, the braiding quantity of the first lines 11, N1 >=1; Or: when the first lines 11 continuous arrangements, the arrangement of the second lines 12, according to often reserved certain space K4, wire jumper braiding in reserved space K3, the screen openings L of space K4 width=(two the wire diameter D of screen openings L+ second lines 12 of the second adjacent lines 12) two second adjacent lines 12 of * N4+, N4 is in K4 width, the disappearance quantity of the second lines 12, N4 >=1; The wire diameter D of space K3 width=(two the wire diameter D of screen openings L+ second lines of the second adjacent lines 12) * (N3-1)+second lines 12, N3 is in K3 width, the braiding quantity of the second lines 12, N3 >=1.
In embodiments of the invention, N1=N3=6.
The various embodiments described above are only for the present invention is described, but and are not used in the protection domain that limits claim.Every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.