A kind of system that adopts straight platemaking technology to carry out high-precision silk screen printing
Technical field
The utility model relates to the serigraphy field, relates in particular to a kind of system that adopts straight platemaking technology to carry out high-precision silk screen printing.
Background technology
In the serigraphy product technology, when needs printing high accuracy product, generally take indirect plate-making technology at present.Fig. 1 adopts indirect plate-making technology to carry out the structural representation of high-precision silk screen printing in a kind of background technology that adopts the system that straight platemaking technology carries out high-precision silk screen printing of the utility model; As shown in Figure 1, adopt indirect plate-making technology to carry out in the high-precision silk screen printing technology, earlier be transferred on the half tone 3 printed data on the film 1 through light-sensitive surface 2 after, just can carry out the printing of print product 4; Though can printed pattern, literal, site can not produced distortion, damaged because of the problem in half tone silk footpath like this; But the printed data on the film 1 need be transferred to earlier on the light-sensitive surface 2, and light-sensitive surface 2 is transferred to data on the half tone 3 more then, and then uses half tone 3 to print; Both the printed data on the film 1 will shift just to stock through three times; The situation that in the process that shifts, must have loss of data, and because light-sensitive surface 2 is to be processed by the special photosensitive material, price is more expensive and can not recycle; Thereby cause cost bigger, and discarded light-sensitive surface also cause certain pollution to environment.
The utility model content
For addressing the above problem, the technical scheme that the utility model adopts is:
The utility model discloses a kind of system that adopts straight platemaking technology to carry out high-precision silk screen printing, comprise carrying tablet, half tone and the sheet of undertaking the printing of, wherein:
Said half tone comprises screen frame and grenadine, and said grenadine is fixedly installed on the said screen frame, through the net that stretches tight the parameter of said half tone is adjusted;
Said carrying tablet is fitted on the said half tone and makes public, and opens up to said half tone so that printed data is changeed;
The said sheet of the undertaking the printing of printed data on the said half tone of undertaking the printing of.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, wherein, also comprises the emulsion that is coated on the said half tone.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, and wherein, said emulsion adopts the proportioning of 1:1.2 to be uniformly coated on the positive and negative of said half tone.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, wherein, the positive emulsion that is of five storeys that is coated with of said half tone, reverse side is coated with the emulsion that haves three layers, and every layer thickness is 12-14 μ m.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, and wherein, said carrying tablet is the film.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, wherein, the half tone that is fitted with carrying tablet is carried out successively the exposure of positive and negative.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, and wherein, it is 540s that the half tone that is fitted with carrying tablet is carried out the positive time for exposure, and the reverse side time for exposure is 660s.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, and wherein, the Exposing Lamp power that the half tone that is fitted with carrying tablet is carried out successively the positive and negative exposure is at least 3600KJ/M
2
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, and wherein, the parameter of said half tone comprises that half tone tension force, grenadine line footpath, grenadine net are thick, grenadine opening, grenadine aperture opening ratio, grenadine order number and grenadine see through area.
The straight platemaking technology of above-mentioned employing carries out the system of high-precision silk screen printing, and wherein, said half tone tension force is 22-28N; Said grenadine line directly is 30-40 μ m; Said grenadine net is thick to be 45-75 μ m, and said grenadine opening is 35-45 μ m, and said grenadine aperture opening ratio is at 20%-30%; Said grenadine order number is 350-420, and it is 15-25cm that said grenadine sees through area
3/ m
2
A kind of system that adopts straight platemaking technology to carry out high-precision silk screen printing of the utility model; Through adjustment, and adopt the film to contact with half tone directly and after the contact film is made public, do not open up and do not use light-sensitive surface to change to the half tone parameter; So not only reduced the waste of light-sensitive surface; Shift the damaged of the film data details cause but also reduced, thereby guarantee the quality of institute's rendering graphical, not only provide cost savings and also be beneficial to environmental protection through light-sensitive surface.
Description of drawings
Through the detailed description that reading is done non-limiting example with reference to following accompanying drawing, the further feature of the utility model, it is more obvious that purpose and advantage will become.
Fig. 1 adopts indirect plate-making technology to carry out the structural representation of high-precision silk screen printing in a kind of background technology that adopts the system that straight platemaking technology carries out high-precision silk screen printing of the utility model;
Fig. 2 is a kind of structural representation that adopts straight platemaking technology to carry out the system of high-precision silk screen printing of the utility model.
The Reference numeral of critical piece is:
The film 1;
Light-sensitive surface 2;
Half tone 3;
Print product 4.
The specific embodiment
For technological means that the utility model is realized, create characteristic, reach purpose and effect and be easy to understand and understand that following combinations specifically illustrates, and further sets forth the utility model.
Fig. 2 is a kind of structural representation that adopts straight platemaking technology to carry out the system of high-precision silk screen printing of the utility model; As shown in Figure 2, the utility model discloses a kind of system that adopts straight platemaking technology to carry out high-precision silk screen printing, comprise that carrying tablet is generally print products 4 such as the film 1 (film), half tone 3, undertake the printing of sheet such as printing paper and is coated on the emulsion on the half tone 3; Wherein, half tone 3 is made up of screen frame and the grenadine that fixedly installs above that.
When carrying out high-precision silk screen printing, at first, net is adjusted the parameter of half tone 3 through stretching tight; Tension force like half tone 3 is set to 22-28N, and the grenadine line directly is set to 30-40 μ m, the thick 45-75 μ m that is set to of grenadine net; The grenadine opening is set to 35-45 μ m; The grenadine aperture opening ratio is arranged on 20%-30%, and grenadine order number is set to 350-420, and grenadine sees through area and is set to 15-25cm
3/ m
2Deng.
Secondly, adopt the proportioning emulsion of 1:1.2 evenly to be coated with at the positive and negative of half tone 3, wherein, five layers of emulsion of positive coating, reverse side is coated with three layer photoetching latexes, and every layer thickness is between 12-14 μ m.
Then, adopt power to be at least 3600KJ/M
2Exposing Lamp, the film 1 (film) is fitted in the exposure of carrying out positive and negative on the half tone 3; Wherein, the positive time for exposure is 540s, and the reverse side time for exposure is 660s, opens up to half tone 3 so that the printed data on the film 1 is changeed; After removing the film 1 after making public, with on the printed data printing paper print product 4, first-class at printing paper with printed patterns, literal etc. with half tone 3.
In sum, a kind of system that adopts straight platemaking technology to carry out high-precision silk screen printing of the utility model is through the adjustment to the half tone parameter; And adopt the film to contact with half tone directly and after the contact film is made public; Do not open up and do not use light-sensitive surface to change, so not only reduced the waste of light-sensitive surface, shift the damaged of the film data details cause but also reduced through light-sensitive surface; Thereby guarantee the quality of institute's rendering graphical, not only provide cost savings and also be beneficial to environmental protection.
More than the specific embodiment of the utility model is described.It will be appreciated that the utility model is not limited to above-mentioned specific implementations, equipment of wherein not describing in detail to the greatest extent and structure are construed as with the common mode in this area to be implemented; Those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence the flesh and blood of the utility model.