CN105082806A - Printing technology for bar codes - Google Patents
Printing technology for bar codes Download PDFInfo
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- CN105082806A CN105082806A CN201510513915.7A CN201510513915A CN105082806A CN 105082806 A CN105082806 A CN 105082806A CN 201510513915 A CN201510513915 A CN 201510513915A CN 105082806 A CN105082806 A CN 105082806A
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Abstract
A printing technology for bar codes sequentially comprises the following steps that (1), a bar code printing area of a paper printing surface is flattened; (2), white electrochemical aluminum is adopted to carry out hot stamping on the bar code printing area, and a hot stamping transfer layer covering the bar code printing area is formed; and (3) black ink is used for printing the bar codes on the hot stamping transfer layer. The printing technology of the bar codes is particularly suitable for printing the bar codes on paper with the irregular surface, and the detection grade of the bar codes can be effectively improved. By the adoption of the printing technology for the bar codes, the bar codes are printed on original ecology paper like paper with the irregular surface, the detecting grade is larger than 2.6, studying and reading are easy, and the printed bar codes are stable in quality.
Description
Technical field
The present invention relates to typography, be specifically related to a kind of bar code printing technique.
Background technology
Along with automatic scanning, to sell goods in various places universal in recent years, and cause because barcode quality is defective supermarket to be returned goods and affect the situation that enterprise product sells and happen occasionally, tobacco bale printing enterprise also faces same problem.Therefore, how to ensure that barcode quality conforms with the regulations requirement, by many tobacco bale printing enterprises are paid close attention to.
In tobacco bale printing, bar code printing is a very important link.Especially in recent years along with tobacco business integrates the in-depth of dynamics, each large tobacco enterprise increases the concern to commodity bar code.Within these several years, just have a lot of because bar code recognition defective and cause the example that tobacco bale is rejected by tobacco enterprise, this has beaten alarm bell to all tobacco bale printing enterprises.How better printed bar code, improve bar code grade, become all tobacco bale printing enterprises problem demanding prompt solution.
Affect bar code grade height because have a lot, with regard to tobacco bale printing enterprise, mainly four aspects such as design before printing, technological design, printing process and printing consumable material.Most tobacco bale printing enterprise generally can meet three factors above well, and the paper that therefore printing consumable material is particularly used just seems very crucial.With regard to paper used, the bar code that art post paperboard is printed the most easily is distinguished, and grade generally can reach 4.0; And for paper such as ecosystem paper, the holographic card paper having metallic luster, laser hologram light beam paper, the bar code printed in the above is then difficult to recognition.For the holographic card paper, the laser hologram light beam paper that have metallic luster, by white at the barcode size or text field printing end (namely printing white ink layer), then on the end, is white printed bar code, its bar code can be distinguished substantially.
Such as, but for ecosystem paper, " the earth paper " that is commonly called as, it adopts hand papermaking mode to make, and with the addition of flaxen fiber in wooden oar, and coating process is not done on surface, and paper fibre is coarse, and face of undertaking the printing of is uneven.When this printed on paper bar code, even if brush one times even white at the bottom of multipass in its barcode size or text field print, the bar code of printing is still difficult to recognition, and the detection level of its bar code is below 1.0.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of bar code printing technique, and this bar code printing technique is particularly suitable for the printed on paper bar code at surface irregularity, and the bar code printed easily is distinguished.The technical scheme adopted is as follows:
A kind of bar code printing technique, is characterized in that comprising the steps: successively
(1) the bar code printing region of being undertaken the printing of by paper on face flattens;
(2) adopt white anodized aluminium to carry out thermoprint on bar code printing region, form the thermoprint transfer layer covering this bar code printing region;
(3) by black ink printed bar code on thermoprint transfer layer.
The effect of above-mentioned steps (1) is for the rough problem of paper surface, by follow-uply needing thermoprint, the region of printed bar code flattens, contribute to thermoprint transfer layer and paper strong bonded like this, and guarantee that thermoprint transfer layer is smooth, to improve follow-up bar code printing quality.
In preferred above-mentioned steps (1), (namely gold stamping version acts directly on paper and undertakes the printing of on face for bar code printing region pneumatics on face to adopt the level and smooth gold stamping version in bottom surface to undertake the printing of at paper through gilding press, bronzing material is not had between gold stamping version and paper) one time, bar code printing region is flattened.The bottom surface of the gold stamping version that step (1) adopts is generally rectangle plane, and its length and width and bar code printing region match.
In above-mentioned steps (1), gold stamping version is 1.38-1.42 ton to bar code printing region applied pressure.
In above-mentioned steps (2), thermoprint transfer layer in thermoprint on bar code printing region, it acts on the bar code printing regional coverage mainly utilizing thermoprint transfer layer to be undertaken the printing of by paper on face, makes this bar code printing region have uniform white.Such as, when paper is " the earth paper ", thermoprint transfer layer hides the flaxen fiber of paper surface.When step (2) carries out thermoprint, the bottom surface of the gold stamping version of employing is generally rectangle plane, and its length and width and bar code printing region match.
In preferred above-mentioned steps (2), white anodized aluminium used comprises base membrane layer successively, and (base membrane layer can adopt plastic sheeting, polyester film as biaxial tension), abscission layer, chromatograph, aluminium coated and adhesive layer, after thermoprint, chromatograph, aluminium coated and adhesive layer are transferred on the bar code printing region that paper undertakes the printing of on face, chromatograph, aluminium coated and adhesive layer form described thermoprint transfer layer, and this thermoprint transfer layer presents white.Wherein paper is undertaken the printing of the bar code printing regional coverage on face by chromatograph and aluminium coated, and adhesive layer makes chromatograph and aluminium coated and paper undertake the printing of face strong bonded.
In preferred above-mentioned steps (2), pressure of hot stamping is 1.45-1.55 ton, and blocking point is 115-120 DEG C.
In above-mentioned steps (3), the bar code of printing can be one-dimensional bar code (printed bar code secret note on thermoprint transfer layer in this case, blank parts between adjacent two secret notes forms bar code informal voucher), also can be two-dimensional bar (in this case printed bar code stain on thermoprint transfer layer).
In preferred above-mentioned steps (3), adopt intaglio printing press (as sheet-fed intaglio printing press) printed bar code on thermoprint transfer layer, the Redwood viscosity (No. 2, Lei Shi) of ink used is 16-20 second.Because gravure is a kind of directly printing process, it is transferred directly to the ink in the pit of intaglio plate on paper, and required squeegee pressure is less, and ink relative viscosity used is less, not easily produce scratch or reverse drawing to thermoprint transfer layer, printing process is stablized simultaneously, is easy to control.When carrying out gravure, under the prerequisite not affecting printing effect, pressure alleviates as far as possible.
In preferred version, above-mentioned bar code printing technique also comprises step (4), and bar code printing layer applies water-based gloss oil layer.Offset press can be used to apply water-based gloss oil layer.Form diaphragm after the solidification of water-based gloss oil layer, bar code printing layer and thermoprint transfer layer are protected, prevents bar code from wearing and tearing.
Bar code printing technique of the present invention is particularly suitable for the printed on paper bar code at surface irregularity, effectively can improve the detection level of bar code.Adopt bar code printing technique of the present invention at the printed on paper bar code out of the surface irregularities such as ecosystem paper, its detection level is greater than 2.6 grades, easily distinguishes, and the barcode quality of printing is comparatively stable.
Accompanying drawing explanation
Fig. 1 is that (wherein a is the profile of paper to be printed for the schematic diagram of bar code printing process in the preferred embodiment of the present invention, b is the schematic diagram of paper after step (1) process, c is the schematic diagram of paper after step (2) process, d is the schematic diagram of paper after step (3) process, and e is the schematic diagram of paper after step (4) process).
Detailed description of the invention
As shown in Figure 1, in the present embodiment, bar code printing technique comprises the steps: successively
(1) by paper 1, the bar code printing region of undertaking the printing of on face flattens;
Paper 1 used is the paper of surface irregularity, and be such as commonly called as the ecosystem paper of " the earth paper ", it adopts hand papermaking mode to make, and with the addition of flaxen fiber in wooden oar, and coating process is not done on surface, and paper fibre is coarse, and face of undertaking the printing of is uneven.The effect of this step (1) be follow-uply on face of being undertaken the printing of by paper 1 need thermoprint, the region of printed bar code flattens.
In this step (1), (namely gold stamping version acts directly on paper 1 and undertakes the printing of on face for bar code printing region 2 pneumatics on face to adopt the level and smooth gold stamping version in bottom surface to undertake the printing of at paper 1 through gilding press, bronzing material is not had between gold stamping version and paper) one time, bar code printing region 2 is flattened (after pneumatics, bar code printing region 2 is slightly recessed relative to paper 1 other positions, face of undertaking the printing of).The bottom surface of the gold stamping version that this step (1) adopts is rectangle plane, and its length and width and bar code printing region 2 match; Gold stamping version is 1.38-1.42 ton (as 1.4 tons) to bar code printing region 2 applied pressure.
(2) adopt white anodized aluminium to carry out thermoprint on bar code printing region 2, form the thermoprint transfer layer 3 covering this bar code printing region 2;
In this step (2), thermoprint transfer layer 3 in thermoprint on bar code printing region 2, it acts on the bar code printing region 2 mainly utilizing thermoprint transfer layer 3 to be undertaken the printing of by paper on face and hides, and makes this bar code printing region 2 have uniform white.When this step (2) carries out thermoprint, the bottom surface of the gold stamping version of employing is rectangle plane, and its length and width and bar code printing region 2 match; Pressure of hot stamping is 1.45-1.55 ton, and blocking point is 115-120 DEG C (such as pressure of hot stamping is 1.5 tons, and blocking point is 118 DEG C).
White anodized aluminium used in this step (2) comprises base membrane layer successively, and (base membrane layer can adopt plastic sheeting, polyester film as biaxial tension), abscission layer, chromatograph, aluminium coated and adhesive layer, chromatograph after thermoprint, aluminium coated and adhesive layer are transferred on the bar code printing region that paper undertakes the printing of on face, chromatograph 31, aluminium coated 32 and adhesive layer 33 form described thermoprint transfer layer 3, and (the bar code printing region 2 that wherein paper is undertaken the printing of on face by chromatograph 31 and aluminium coated 32 hides, adhesive layer 33 makes chromatograph 31 and aluminium coated 32 and paper 1 undertake the printing of face strong bonded), this thermoprint transfer layer 3 presents white.
(3) by black ink printed bar code (forming bar code printing layer 4) on thermoprint transfer layer 3;
In this step (3), adopt intaglio printing press (as sheet-fed intaglio printing press) printed bar code on thermoprint transfer layer 3, the Redwood viscosity (No. 2, Lei Shi) of ink used is 18 seconds.The bar code of printing can be one-dimensional bar code (printed bar code secret note on thermoprint transfer layer 3 in this case, blank parts between adjacent two secret notes forms bar code informal voucher), also can be two-dimensional bar (in this case printed bar code stain on thermoprint transfer layer 3).
(4) on bar code printing layer 4, water-based gloss oil layer 5 is applied.
In this step (4), use offset press coating water-based gloss oil layer 5.Form diaphragm after water-based gloss oil layer 5 solidifies, bar code printing layer 4 and thermoprint transfer layer 3 are protected, prevents bar code from wearing and tearing.In this step (4), water-based gloss oil layer 5 can be applied on face undertaken the printing of by whole paper 1.
Use the bar code of barcode detection instrument to the bar code of present invention process printing and traditional handicraft printing to detect (often kind of technique extracts 10 products respectively and detects), testing result is as shown in table 1, table 2.
Table 1: the testing result of the bar code of present invention process printing
Table 2: the testing result of the bar code of traditional handicraft printing
By comparing, both differences are mainly reflected on degree of imperfection and decodable code degree, and the bar code degree of imperfection that grade is qualified can not exceed 20%, and decodable code degree can not be less than 50%.The bar code grade average out to 0.4 grade of traditional handicraft printing, subject matter occurs that degree of imperfection is higher.The bar code grade average out to 3.5 grades of present invention process printing, meets the quality requirement of product completely.
Claims (9)
1. a bar code printing technique, is characterized in that comprising the steps: successively
(1) the bar code printing region of being undertaken the printing of by paper on face flattens;
(2) adopt white anodized aluminium to carry out thermoprint on bar code printing region, form the thermoprint transfer layer covering this bar code printing region;
(3) by black ink printed bar code on thermoprint transfer layer.
2. bar code printing technique according to claim 1, is characterized in that: in step (1), and the bar code printing region pneumatics adopting the level and smooth gold stamping version in bottom surface to undertake the printing of on face at paper through gilding press one time, flattens bar code printing region.
3. bar code printing technique according to claim 2, is characterized in that: in step (1), and gold stamping version is 1.38-1.42 ton to bar code printing region applied pressure.
4. bar code printing technique according to claim 1, it is characterized in that: in step (2), white anodized aluminium used comprises base membrane layer, abscission layer, chromatograph, aluminium coated and adhesive layer successively, after thermoprint, chromatograph, aluminium coated and adhesive layer are transferred on the bar code printing region that paper undertakes the printing of on face, chromatograph, aluminium coated and adhesive layer form described thermoprint transfer layer, and this thermoprint transfer layer presents white.
5. bar code printing technique according to claim 1, is characterized in that: in step (2), and pressure of hot stamping is 1.45-1.55 ton, and blocking point is 115-120 DEG C.
6. bar code printing technique according to claim 1, is characterized in that: in step (3), and adopt intaglio printing press printed bar code on thermoprint transfer layer, the Redwood viscosity of ink used is 16-20 second.
7. bar code printing technique according to claim 1, is characterized in that: in step (3), and the bar code of printing is one-dimensional bar code or two-dimensional bar.
8. the bar code printing technique according to any one of claim 1-7, is characterized in that described bar code printing technique also comprises step (4), bar code printing layer applies water-based gloss oil layer.
9. bar code printing technique according to claim 8, is characterized in that: form diaphragm after described water-based gloss oil layer solidification.
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| CN201510513915.7A CN105082806A (en) | 2015-08-20 | 2015-08-20 | Printing technology for bar codes |
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| CN201510513915.7A CN105082806A (en) | 2015-08-20 | 2015-08-20 | Printing technology for bar codes |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364192A (en) * | 2016-08-30 | 2017-02-01 | 江苏大亚印务有限公司 | Bar code printing method |
| CN108790449A (en) * | 2018-07-08 | 2018-11-13 | 北京逸智联科技有限公司 | A kind of bar code printing technique |
| CN109849497A (en) * | 2019-03-12 | 2019-06-07 | 武汉虹之彩包装印刷有限公司 | A kind of bar code printing technique of the smooth of the edge |
| CN110053377A (en) * | 2019-05-20 | 2019-07-26 | 湖北中烟工业有限责任公司 | A kind of printing technology of cigarette packing box |
| CN110315877A (en) * | 2019-07-06 | 2019-10-11 | 陆良福牌彩印有限公司 | A kind of radium-shine offset printing of paper once completes bar code printing technique |
| CN113771514A (en) * | 2021-09-13 | 2021-12-10 | 永发印务(四川)有限公司 | Method for improving code scanning recognition rate of star-covering optical film product identification code |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106364192A (en) * | 2016-08-30 | 2017-02-01 | 江苏大亚印务有限公司 | Bar code printing method |
| CN108790449A (en) * | 2018-07-08 | 2018-11-13 | 北京逸智联科技有限公司 | A kind of bar code printing technique |
| CN109849497A (en) * | 2019-03-12 | 2019-06-07 | 武汉虹之彩包装印刷有限公司 | A kind of bar code printing technique of the smooth of the edge |
| CN110053377A (en) * | 2019-05-20 | 2019-07-26 | 湖北中烟工业有限责任公司 | A kind of printing technology of cigarette packing box |
| CN110315877A (en) * | 2019-07-06 | 2019-10-11 | 陆良福牌彩印有限公司 | A kind of radium-shine offset printing of paper once completes bar code printing technique |
| CN113771514A (en) * | 2021-09-13 | 2021-12-10 | 永发印务(四川)有限公司 | Method for improving code scanning recognition rate of star-covering optical film product identification code |
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Application publication date: 20151125 |