Concave-convex texture mold and manufacturing method and application thereof
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A technology of concave-convex texture and production method, which is applied in the directions of information-carrying cards, printing of special varieties of printed matter, and processes for producing decorative surface effects, etc. Problems such as insufficient texture, to achieve the effect of enhancing artistic expression and fine texture
Active Publication Date: 2020-01-21
CHENGDU BANKNOTE PRINTING +1
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[0008] In view of the defects in the prior art that the gravure pattern is fine but the three-dimensional effect is not good, the relief pattern is good but the three-dimensional effect is not fine enough, and the embossed pattern is not full, the purpose of the present invention is to provide a concave-convex texture mold, the production of the concave-convex texture mold method and
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Embodiment 1
[0052] Such as image 3 , Figure 4 As shown, an important innovative point of the concave-convex texture mold in this embodiment is that the concave-convex texture is distributed on the concave-convex mold surface of the mold. image 3 It is a cross-sectional view of a mold with a concave-convex surface. In the figure, a plurality of notches with different lengths, depths, widths, strips, transition structures, and bottom structures are distributed on the concave-convex surface. Figure 4 for image 3 The enlarged schematic diagram of the middle part, in which the depth, width, slope, and radian of the sharp corners are specifically marked.
[0053] Specifically refers to, a kind of concave-convex texture mould, is provided with concave-convex texture on the molding surface of mold, and described molding surface is the relief surface of concave-convex, namely concave-convex molding surface; The notches with different transitional structures and bottom structures are formed...
Embodiment 2
[0089] This embodiment is further optimized on the basis of embodiment 1, as Figure 9 The technological process of the press processing of a metal product shown is: preparation of gold and silver flat cake, embossing with a concave-convex texture mold, inspection and packaging of the embossed metal product, and storage of the finished product.
[0090] Among them, such as Figure 9 As shown, the method for making a concave-convex texture mold includes pattern design, mechanical engraving, laser sandblasting, and manual repair and grinding. The method for making a concave-convex texture mold includes the following steps:
[0091] Step S1: first design a dot-line pattern composed of points and lines according to the pattern to be presented, and then use a 3D design software to perform 3D relief modeling on the dot-line pattern to generate a 3D relief model;
[0092] Step S2: Process a profile on the mold according to the three-dimensional relief model; the profile is a flat su...
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Abstract
The invention discloses a concave-convex texture mold and a manufacturing method and application thereof. Concave-convex textures are arranged on the molded surface of the concave-convex texture mold,and the molded surface is a flat surface or a regular curved surface or a concave-convex relief surface; and the concave-convex textures are composed of a plurality of nicks with the length, depth, width, strip shape, transition structure and bottom structure which are not completely the same according to a set shape and position relation. The manufacturing method of the concave-convex texture mold comprises the following steps that S1, a point-line pattern is designed, and three-dimensional relief modeling is carried out; S2, the molded surface is machined on the mold according to the three-dimensional relief model; and S3, a mechanical engraving machine selects an engraving knife and sets parameters according to the point-line pattern, and the plurality of nicks with the length, depth,width, strip shape, transition structure and bottom structure which are not completely the same are mechanically engraved on the molded surface, so that the concave-convex texture mold is obtained. According to the concave-convex texture mold and the manufacturing method and application thereof, relief modeling and engraving gravure are combined, so that the relief point-line pattern formed on thesurface of a metal product through embossing is finer and more stereoscopic.
Description
technical field [0001] The invention relates to the technical field of gravure printing molds, in particular to a concave-convex texture mold and its manufacturing method and application. Background technique [0002] On traditional banknotes, the intaglio pattern formed by gravure printing is often used to represent the main scene images such as characters, landscapes, buildings, etc. The intaglio pattern is an important part of the banknote and an anti-counterfeiting method. [0003] In gravure printing, the gravure is first engraved, and then the surface of the gravure is covered with ink, and then the ink in the indentation of the gravure is transferred to the carrier, so that the ink on the carrier forms an intaglio pattern to reproduce the pattern on the intaglio. Gravure printing is essentially a flat printing method. The printed gravure pattern only expresses three-dimensional space through the thickness and shape relationship of dots and lines. [0004] Embossing, ...
Claims
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