Electric carving gravure
By setting up the electric carving net hole group and plum blossom pattern arrangement at different angles in the electric carving gravure, the problem of uneven level of printing in the existing technology is solved, and the clear restoration and uniformity of the depth effect of the printed product is achieved, and the thickness and shade are uniform, avoiding the The quality problems of the knife wire are caused.
Patent Information
- Application Number
- CN202420013116.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-03
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-01-03
AI Technical Summary
When adjusting the layers of the existing electric engraving gravure printing technology, there are knife lines quality problems for the processing of high-gloss and low-gloss parts, resulting in uneven levels of reduction and it is difficult to clearly restore the depth and effect of the printed product.
By setting up multiple electric carving net hole groups in the electric carving gravure, the net holes in each group are arranged in a different angle to form a plum blossom arrangement to ensure that the net value between adjacent net holes is fixed, and the angle range of the net holes is 0- 90° to achieve uniform over-deepness of the print.
It realizes clear restoration of the depth and shallow effects of the printed materials, avoids the quality of the knife wire caused by traditional electric carving technology, ensures the uniformity of the depth and ink transfer effect of the printed materials, and reduces problems such as water and turtle patterns.
Smart Images
Figure CN222179061U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of tobacco packaging printing, and in particular to an electric engraving gravure. Background Art
[0002] In the process of printing tobacco packaging, electric engraving is required, which includes parameters such as the number of engraving lines and screen angle. Before adjusting the electric engraving level, it is necessary to determine the basic data such as screen line, screen angle, dot percentage and cell width. When formulating these data, it is necessary to consider the type of substrate, the effect of the printed product, the transfer of ink, water marks and moire marks.
[0003] However, at present, gravure printing on the market is mainly suitable for large-scale production of packaging printing products. For large-area solid printing with thick ink layer, the electronic engraving process used for layer restoration can only reduce the frequency of dot dropping for the highlight part under the premise of using electrostatic ink absorption auxiliary device, and it will cause knife line quality problems for the low-light part; thus, the layer restoration degree of gravure printing is worse than that of offset printing.
[0004] In summary, it is necessary to provide an improved technical solution to address the above-mentioned deficiencies in the prior art. Utility Model Content
[0005] The purpose of the embodiments of the present application is to provide an electro-engraving gravure that can clearly restore the depth effect of a printed product.
[0006] The present application provides an electric engraving gravure, comprising a panel and a plurality of cells arranged on the panel, wherein the cells have the same predetermined shape and predetermined size, and the plurality of cells are arranged in a predetermined form to form a plurality of electric engraving cell groups, wherein the mesh value between two adjacent cells in each electric engraving cell group is fixed; a cell arrangement angle is configured in each electric engraving cell group, and the cell arrangement angles of the plurality of electric engraving cell groups are different.
[0007] In an practicable manner, the cell arrangement angle ranges from 0 to 90 degrees.
[0008] In an practicable manner, the plurality of electric carving cell groups include at least a first electric carving cell group and a second electric carving cell group.
[0009] In an practicable manner, the cell arrangement angle in the first electric carving cell group is a first angle, and the cell arrangement angle in the second electric carving cell group is a second angle.
[0010] In an practicable manner, the cell arrangement angle in the first electro-engraving cell group is 0°, and the cell arrangement angle in the second electro-engraving cell group is 90°.
[0011] In one practicable manner, the multiple cells in each electro-engraving cell group are arranged in a predetermined form.
[0012] In one practicable manner, the plurality of cells in each electric carving cell group are arranged in a plum blossom shape.
[0013] In an practicable manner, the plum blossom shape includes: a cell is arranged at the center of the electric carving cell group, and a plurality of cells are evenly distributed on the circumference.
[0014] In one practicable manner, the cross section of the cell is rhombus-shaped.
[0015] Compared with the prior art, the beneficial effects of this application are:
[0016] In the technical solution of the present application, by setting up multiple electric engraving cell groups with different cell arrangement angles, the depth effect of the printed product can be clearly restored, and the depth and lightness can be evenly transitioned, avoiding various gravure knife line quality problems caused by traditional electric engraving technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the electric engraving gravure of an embodiment of the utility model.
[0018] Figure 2 It is a structural schematic diagram of a first electric engraving cell group in the electric engraving gravure of an embodiment of the utility model.
[0019] Figure 3 It is a structural schematic diagram of a second electric engraving cell group in the electric engraving gravure of an embodiment of the utility model.
[0020] The reference numerals are described as follows:
[0021] 1. Panel; 2. Cells; 3. First electric carving cell group; 4. Second electric carving cell group. DETAILED DESCRIPTION
[0022] The following is a further detailed description of the specific implementations of the present invention in conjunction with the accompanying drawings. These implementations are only used to illustrate the present invention, but not to limit the present invention.
[0023] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] In addition, in the description of the present invention, unless otherwise specified, “plurality” means two or more.
[0026] See also Figures 1 to 3 The present application provides an electric engraving gravure, comprising: a panel 1 and a plurality of cells 2 arranged on the panel 1, wherein the cells 2 have the same predetermined shape and predetermined size, and the plurality of cells 2 are arranged in a predetermined form to form a plurality of electric engraving cell groups, wherein the mesh value between two adjacent cells 2 in each electric engraving cell group is fixed; and a cell arrangement angle is configured in each electric engraving cell group, and the cell arrangement angles of the plurality of electric engraving cell groups are different.
[0027] The plurality of electric carving cell groups at least include a plurality of first electric carving cell groups 3 and a plurality of second electric carving cell groups 4. The cell arrangement angle in the first electric carving cell groups 3 is a first angle, and the cell arrangement angle in the second electric carving cell groups 4 is a second angle.
[0028] Specifically, Figure 2 and Figure 3 As shown, the mesh value between two adjacent mesh cells 2 of the first electric carving mesh cell group 3 is fixed, and the mesh value between two adjacent mesh cells of the second electric carving mesh cell group 4 is fixed.
[0029] The present application achieves different depth effects on printed products and ensures a uniform transition of depth by setting a first electro-engraving cell group 3 and a second electro-engraving cell group 4 with different inclination angles. Since the basic data has been determined before the electro-engraving process, the present application can ensure the depth effect and ink transfer effect in the printed product without changing the cell size, and avoid problems such as water marks and moire.
[0030] It should be noted that, in this embodiment, the cross section of the cell 2 is a rhombus.
[0031] In an practicable manner, the plurality of cells in each electro-engraving cell group are arranged in a predetermined form.
[0032] In this embodiment, Figure 2 and Figure 3 As shown, the multiple cells in each electric carving cell group are arranged in a plum blossom shape.
[0033] Specifically, Figure 2 and Figure 3 As shown, the plum blossom type includes: a cell is arranged at the center of the electric carving cell group, and a plurality of cells are evenly distributed on the circumference.
[0034] In an practicable manner, the cell arrangement angle is 0-90°, and by uniformly adjusting the angles of the cells in an electric engraving cell group, it is possible to increase the density of the cells on the gravure plate without changing the cell size.
[0035] It should be noted that when the inclination angle of the cells 2 in the electric carving cell group is changed, the arrangement form does not change, and only the inclination angle of each cell 2 is changed.
[0036] In this embodiment, the cell arrangement angle in the first electric carving cell group 3 is 0°, and the cell arrangement angle in the second electric carving cell group 4 is 90°.
[0037] In an practicable manner, in the engraving parameters, the range of screen lines is 40-120 L / in, and the range of the angle of the electric engraving needle is 80-140°.
[0038] In summary, the present application is applicable to various gravure printing methods including sheet-fed gravure printing and online rotary gravure printing, and the maximum printing speed can reach 220 meters per minute. The present application can make the color of the printed product transition evenly from dark to light, so as to clearly restore the dot level in the printing process. The present application provides an electric engraving gravure that can clearly restore the level in the production process, avoiding the situation where the gravure level dots fall off during the process. Avoid various gravure knife line quality problems caused by traditional electric engraving technology.
[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. An electric engraving gravure, characterized in that: It includes a panel and a plurality of cells arranged on the panel, wherein the cells have the same predetermined shape and predetermined size, and the plurality of cells are arranged in a predetermined form to form a plurality of electric carving cell groups, wherein the mesh value between two adjacent cells in each electric carving cell group is fixed; a cell arrangement angle is configured in each electric carving cell group, and the cell arrangement angles of the plurality of electric carving cell groups are different.
2. The electro-engraving gravure according to claim 1, characterized in that: The cell arrangement angle ranges from 0 to 90 degrees.
3. The electrogravure gravure according to claim 2, characterized in that: The plurality of electric carving cell groups include at least a first electric carving cell group and a second electric carving cell group.
4. The electric engraving gravure according to claim 3, characterized in that: The cells in the first electric carving cell group are arranged at a first angle, and the cells in the second electric carving cell group are arranged at a second angle.
5. The electric engraving gravure according to claim 4, characterized in that: The cell arrangement angle in the first electric carving cell group is 0°, and the cell arrangement angle in the second electric carving cell group is 90°.
6. The electro-engraving gravure according to claim 1, characterized in that: The multiple cells in each electric carving cell group are arranged in a predetermined form.
7. The electro-engraving gravure according to claim 6, characterized in that: The multiple cells in each electric carving cell group are arranged in a plum blossom shape.
8. The electro-engraving gravure according to claim 7, characterized in that: The plum blossom type includes: a cell is arranged at the center of the electric carving cell group, and a plurality of cells are evenly distributed on the circumference.
9. The electro-engraving gravure according to any one of claims 1 to 8, characterized in that: The cross section of the cells is rhombus-shaped.