CN102700344A - Copperplate picture true color three-dimensional mint-mark method - Google Patents

Abstract

The invention provides a copperplate picture true color three-dimensional mint-mark method which comprises the following steps of (1) cutting a copper plate according to picture size to be manufactured, sequentially conducting polishing, drawbench, pollution cleaning and deoxidation and chroming treatment on the well-cut copper plate; evenly mixing poly urethane (PU) double component copper plate spraying gloss oil, a PU double component copper plate spraying gloss oil curing agent and PU double component copper plate spraying gloss oil diluent according to the proportion by weight of 5:1:1.5 to form coating treating liquid, (2) then evenly spraying the coating treating liquid on the surface of the copper plate treated in the step (1) in a dust-free plant, rapidly placing the copper plate in an ultraviolet (UV) oven at the temperature higher than 180 DEG C for drying; and (3) conducting three-dimensional high-accuracy printing on the copper plate dried in the step (2) by using UV digital true color. The copperplate picture true color three-dimensional mint-mark method has the advantages of enabling obtained copperplate pictures to have concave-convex three-dimensional effects and reality sense of metal surface printing and being capable of achieving etching of colorful pictures on the copperplate.

Description

The method of the very color three-dimensional mint-mark of a kind of copperplate picture

[technical field]

Content of the present invention relates to a kind of method of metal medium print field, relates in particular to the method for the very color three-dimensional mint-mark of a kind of copperplate picture.

[background technology]

At present, on non-ferrous metal (copper coin), print picture, common practice both domestic and external mainly contains two kinds: etching and transfer printing.

Etching is about to the technology that material removes through chemistry reflection or physical shock effect; Form the effect of concavo-convex or hollow out moulding; Be characterized in that effect concavo-convex or the hollow out moulding is obvious; Monochrome can only satisfy simple color lump through silk screen colouring and handle, and then can't realize for rich color, the picture (like map) that contains color such as gradual change look.Second kind of transfer printing, it is that pattern with picture is imprinted on the film of size transparent plastic consistent with copper coin, then this film is sticked on the copper coin; The shortcoming of transfer printing is the sense of reality that loses in the metal surface printing, does not also have the stereo concave-convex effect of metal-like and printing.In addition, have now and on copper coin, directly print calligraphy and painting, occur causing picture impaired because of copper coin easy oxidation in natural environment toward the contact meeting.

[summary of the invention]

Content of the present invention technical problem to be solved is to provide the method for the very color three-dimensional mint-mark of a kind of copperplate picture; It is impaired and have the sense of reality that print stereo concave-convex effect and metal surface because of the copper coin oxidation that the copperplate ground picture of acquisition is difficult for, and also can realize the mint-mark of rich color picture on copperplate.

Content of the present invention solves the problems of the technologies described above through following technical scheme: the method for the very color three-dimensional mint-mark of a kind of copperplate picture comprises following operating procedure:

(1) according to the map size that will make copper coin is carried out cutting, and the copper coin after will cutting out polishes successively, wire drawing, scrubbing deoxidation, chromium plating are handled;

(2) the two component copper coin air brushing gloss oil of PU, the two component copper coin air brushing gloss oil curing agent of PU, the two component copper coin air brushing gloss oil diluents of PU are mixed the coating treatment fluid that forms special use by 5: 1: 1.5 weight ratio; In dust-free workshop, this coating treatment fluid is sprayed the copper coin surface that is coated in after step (1) is handled uniformly afterwards, then this copper coin is placed rapidly in the UV baking box more than 180 ℃ and dry with vacuum hydraulic pressure spraying machine;

Wherein, the component of the two component copper coin air brushing gloss oil of PU also is made up of following component as following weight percent: mylar 90%, solvent 3%, levelling agent 0.5%, antifoaming agent 0.5%, adhesive agent 6%;

The two component copper coin air brushing gloss oil curing agent of PU also are made up of following component as following weight percent: polyisocyanates 50%, and HDI tripolymer 30%, TDI 10%, trimethylolpropane 10%; The two component copper coin air brushing gloss oil diluents of PU also are made up of following component as following weight percent: butyl ester 40%, ethyl ester 20%, cyclohexanone 15%, anti-plain boiled water 25%;

(3) through the very color three-dimensional high-precision printing type of UV number the picture image is printed on the copper coin after step (2) is dried; And utilization spray pressure type ink-jetting style is sprayed at the copper coin surface after the oven dry with UV printing ink; To produce the picture image of the strong three-dimensional feel of concavo-convex hollow out on the copper coin surface; And take the superhigh precision output of 1440dpi, thereby obtain the copperplate picture.

The beneficial effect of the method for the very color three-dimensional mint-mark of a kind of copperplate picture of the present invention is: apply the special-purpose coating treatment fluid of one deck through spraying on the copper coin after handling in polishing, wire drawing, scrubbing, chromium plating; Avoiding copper coin oxidized and cause in the mint-mark picture on the copper coin impaired in natural environment, and also can make copper coin have the scratch resistance trace and UV printing ink can be attached to preferably on the copper coin; Utilize operations such as printing in this method, ink-jet, can make the copperplate picture of acquisition have the sense of reality of stereo concave-convex effect and metal surface printing, in addition, this method also can realize the mint-mark of rich color picture on copperplate.

[specific embodiment]

The method of the very color three-dimensional mint-mark of a kind of copperplate map of the present invention specifically comprises following operating procedure:

Step 1: the preliminary treatment of copper coin: based on the map size that will make copper coin is carried out cutting; And the copper coin after will cutting out polishes successively, wire drawing, scrubbing deoxidation, chromium plating are handled; The purpose of this series of processes is to make the smooth surface of copper coin smooth, neat and tidy and texture are clear, to avoid influencing follow-up operation;

The configuration of each composition in step 2, the coating treatment fluid: the two component copper coin air brushing gloss oil of configuration PU, the two component copper coin air brushing gloss oil curing agent of PU and the two component copper coin air brushing gloss oil diluents of PU; Wherein, the component of the two component copper coin air brushing gloss oil of PU is also mixed by following component as following weight percent: mylar 90%, solvent 3%, levelling agent 0.5%, antifoaming agent 0.5%, adhesive agent 6%; The two component copper coin air brushing gloss oil curing agent of PU are also mixed by following component as following weight percent: polyisocyanates 50%, and HDI tripolymer 30%, TDI 10%, trimethylolpropane 10%; The two component copper coin air brushing gloss oil diluents of PU are also mixed by following component as following weight percent: butyl ester 40%, ethyl ester 20%, hexamethylene copper 15%, anti-plain boiled water 25%;

The preparation of step 3, coating treatment fluid and coating: the two component copper coin air brushing gloss oil of the PU that configures, the two component copper coin air brushing gloss oil curing agent of PU, the two component copper coin air brushing gloss oil diluents of PU are mixed to form special-purpose coating treatment fluid by 5: 1: 1.5 weight ratio; In dust-free workshop, this coating treatment fluid is sprayed uniformly the copper coin surface that is coated in after step 1 is handled afterwards with vacuum hydraulic pressure spraying machine; To avoid copper coin oxidized and cause in the mint-mark picture on the copper coin impaired in natural environment; Then this copper coin is placed rapidly in the UV baking box more than 180 ℃ and dry; Steel plate after the oven dry knows that through hardness test its hardness number is greater than 4H; Promptly have scratch resistance trace ability preferably, and UV printing ink can be attached to preferably on the copper coin after this oven dry;

The air brushing of step 4, copper coin picture: the picture image is printed on the copper coin after step 3 is dried through the very color three-dimensional high-precision printing type of UV number; And utilization spray pressure type ink-jetting style is sprayed at the copper coin surface after the oven dry with UV printing ink; To produce the three-dimensional feel of strong concavo-convex hollow out; And take the superhigh precision output of 1440dpi; Thereby obtain copperplate picture (being the superhigh precision output that the copper coin picture is taked 1440dpi); This step fully by the UV gloss oil in the covering of UV printing ink, shop fixtures, filling function and the UV printing ink increasing the brightness effect of imaging surface, and can make the copperplate picture of acquisition have the sense of reality that print stereo concave-convex effect and metal surface through this printings, ink-jetting style; In addition, the combining of the superhigh precision output of printing, ink-jetting style and 1440dpi can be realized the mint-mark of rich color picture on copperplate.

Can know that to sum up the present invention has following characteristics: realized the mint-mark of rich color picture on copperplate; Apply the special-purpose coating treatment fluid of one deck through spraying on the copper coin after handling in polishing, wire drawing, scrubbing, chromium plating; Avoiding copper coin oxidized and cause in the mint-mark picture on the copper coin impaired in natural environment, and also can make copper coin have the scratch resistance trace and UV printing ink can be attached to preferably on the copper coin; Utilize operations such as printing in this method, ink-jet, can make the copperplate picture of acquisition have stereo concave-convex effect and metal surface printing the sense of reality, and realize the mint-mark of rich color picture on copperplate.

Claims (1)

1. the method for the very color three-dimensional mint-mark of copperplate picture is characterized in that: comprise following operating procedure:

(1) according to the picture size that will make copper coin is carried out cutting, and the copper coin after will cutting out polishes successively, wire drawing, scrubbing deoxidation, chromium plating are handled;

(2) the two component copper coin air brushing gloss oil of PU, the two component copper coin air brushing gloss oil curing agent of PU, the two component copper coin air brushing gloss oil diluents of PU are mixed the coating treatment fluid that forms special use by 5: 1: 1.5 weight ratio; In dust-free workshop, this coating treatment fluid is sprayed the copper coin surface that is coated in after step (1) is handled uniformly afterwards, then this copper coin is placed rapidly in the UV baking box more than 180 ℃ and dry with vacuum hydraulic pressure spraying machine;

Wherein, the component of the two component copper coin air brushing gloss oil of PU also is made up of following component as following weight percent: mylar 90%, solvent 3%, levelling agent 0.5%, antifoaming agent 0.5%, adhesive agent 6%;

The two component copper coin air brushing gloss oil curing agent of PU also are made up of following component as following weight percent: polyisocyanates 50%, and HDI tripolymer 30%, TDI 10%, trimethylolpropane 10%;

The two component copper coin air brushing gloss oil diluents of PU also are made up of following component as following weight percent: butyl ester 40%, ethyl ester 20%, cyclohexanone 15%, anti-plain boiled water 25%;

(3) through the very color three-dimensional high-precision printing type of UV number the picture image is printed on the copper coin after step (2) is dried; And utilization spray pressure type ink-jetting style is sprayed at the copper coin surface after the oven dry with UV printing ink; To produce the picture image of the strong three-dimensional feel of concavo-convex hollow out on the copper coin surface; And take the superhigh precision output of 1440dpi, thereby obtain the copperplate picture.