CN110757973A - Kraft paper suitable for low-temperature printing and black card flat screen printing process - Google Patents
Kraft paper suitable for low-temperature printing and black card flat screen printing process Download PDFInfo
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- CN110757973A CN110757973A CN201911094972.0A CN201911094972A CN110757973A CN 110757973 A CN110757973 A CN 110757973A CN 201911094972 A CN201911094972 A CN 201911094972A CN 110757973 A CN110757973 A CN 110757973A
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- paper
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- kraft paper
- oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
The invention discloses a kraft paper and black card flat screen printing process suitable for low-temperature printing, which is characterized in that kraft paper or black cards to be printed are placed at a paper feeding mechanism for feeding paper; mounting a screen on a screen frame; mixing and stirring common gloss oil and anti-seepage oil, wherein the mass ratio of the common gloss oil to the anti-seepage oil to the diluent is 6: 3: 1, after uniformly mixing, placing the printing ink on a silk screen plate for later use; the ink knife scrapes the ink on the screen plate evenly while the screen plate moves backwards, the scraper scrapes the ink on the screen plate forwards while the screen plate moves forwards along with the advance of the paper, and the ink can fall onto the paper through the ink leakage area; and conveying the scraped paper to a UV drying device through a transmission belt for drying and curing. The invention mixes the anti-penetration oil and the gloss oil, ensures that the kraft paper is dried quickly, ensures that the kraft paper does not eat oil, saves raw materials, ensures the brightness of the black card and the gloss oil on the kraft paper, and has simple whole process and convenient operation.
Description
Technical Field
The invention relates to the technical field of printing, in particular to kraft paper and a black card flat screen printing process suitable for low-temperature printing.
Background
UV printing is a printing process that dries, cures ink by UV light, requiring that the ink containing the photosensitizer be fitted to a UV curing lamp. The application of UV printing is one of the most important items of the printing industry. Compared with the traditional printing, the UV printing has the characteristics of gorgeous color, special printing material, novel product, wide market prospect and the like, and is suitable for the product fields of high-grade business card fine product packaging, high-end commercial picture books, special calendars, special label printing and the like. In the prior art, only gloss oil or only anti-seepage oil is used in the production process of the kraft paper, and if only gloss oil is used, the gloss oil can easily permeate into the kraft paper in winter, so that the amount of gloss oil consumed in the processing process is large; if the kraft paper is only used for preventing seepage oil from being easily dried, the kraft paper is stuck to hands after being processed, and the use is influenced. The black card in the prior art uses white gloss oil, the effect is not obvious after the black card is used, and the black card is not white, because the white gloss oil is coated on the black card and penetrates into the black card before a light curing machine is used, and the black card is not white. Therefore, the use cost of the gloss oil is increased, the printing quality is reduced, and the use is influenced. In view of the above, it is desirable to design a kraft paper and black card flat screen printing process suitable for low temperature printing.
Disclosure of Invention
The invention aims to provide kraft paper suitable for low-temperature printing and a black card flat screen printing process, wherein the anti-penetration oil and the gloss oil are mixed, so that the kraft paper is dried quickly, the kraft paper is not oiled, raw materials are saved, the brightness of the black card and the gloss oil on the kraft paper is ensured, and the whole process is simple and convenient to operate.
In order to realize the aim, the invention provides a kraft paper and black card flat screen printing process suitable for low-temperature printing, which comprises the following steps:
(1) feeding paper: putting kraft paper or black cards to be printed at a paper feeding mechanism of a flat screen printing machine for feeding paper, adjusting the clamping width of the paper according to the size of the paper, and setting the paper feeding speed;
(2) installing a wire mesh plate: firstly, a silk screen is arranged on a silk screen frame, then glue is uniformly coated on the whole silk screen, an ink leakage area is manufactured at a proper position of the silk screen, and finally the manufactured silk screen plate is arranged on a flat screen printing machine;
(3) preparing ink: mixing and stirring common gloss oil and anti-seepage oil, adding a diluent after uniform mixing, and continuously mixing to obtain the ink, wherein the mass ratio of the common gloss oil to the anti-seepage oil to the diluent is 6: 3: 1, after uniformly mixing, placing the printing ink on a silk screen plate for later use;
(4) ink scraping: after the flat screen printer is started, the scraper is lifted, the ink knife falls down, the ink knife scrapes and scrapes ink on the screen plate evenly when the screen plate moves backwards, the ink knife is lifted and the scraper falls down along with the advance of the paper, the scraper scrapes the ink on the screen plate forwards when the screen plate moves forwards, and at the moment, the ink falls down onto the paper through the ink leakage area;
(5) drying: and conveying the paper subjected to ink scraping to a UV drying device through a transmission belt for drying and curing, and manually collecting the paper after drying and curing.
Preferably, the thickness of the paper in the step (1) is in the range of 120 g-400 g, and the paper feeding speed is 2600 sheets/hour.
Preferably, when the ink leakage area is manufactured in the step (2), firstly, the required film is stuck on the silk screen, then the silk screen with the film is placed on a plate drying machine for exposure, the exposure time is 300 seconds to 400 seconds, the film is taken down again, and the area where the film is taken down is wiped by alcohol, so that the ink leakage area is obtained.
Preferably, when the screen plate is manufactured in the step (2), the screen at the joint of the screen and the screen frame needs to be adhered and fixed by using an adhesive tape.
Preferably, the stirring time of the common gloss oil and the impermeable oil in the step (3) is 5 minutes.
Preferably, the conveyor belt in the step (5) is a variable speed conveyor belt.
Preferably, the number of the UV lamp tubes used in the UV drying device in the step (5) is two, the two UV lamp tubes are both 6.5 kilowatts, and the curing temperature is 60-80 ℃.
Therefore, the kraft paper and the black card flat screen printing process suitable for low-temperature printing are adopted, the anti-permeation oil and the gloss oil are mixed, the kraft paper is dried quickly, the kraft paper is prevented from being oiled, raw materials are saved, the brightness of the black card and the gloss oil on the kraft paper is guaranteed, and the whole process is simple and convenient to operate.
The technical solution of the present invention is further described in detail by the following examples.
Detailed Description
The embodiment of the invention provides a kraft paper and black card flat screen printing process suitable for low-temperature printing, which comprises the following steps of:
(1) feeding paper: the kraft paper or the black card to be printed is placed at a paper feeding mechanism of the flat screen printing machine for paper feeding, the clamping width of the paper is adjusted according to the size of the paper, the paper feeding speed is set, the thickness range of the paper is 120-400 g, and the paper feeding speed is 2600 sheets/hour.
(2) Installing a wire mesh plate: firstly, a silk screen is arranged on a silk screen frame, then glue is uniformly coated on the whole silk screen, an ink leakage area is manufactured at a proper position of the silk screen, and finally the manufactured silk screen plate is arranged on a flat screen printing machine; when the printing ink leakage area is manufactured, firstly, a needed film is stuck on a screen, then the screen with the film is placed on a plate drying machine for exposure, the exposure time is 300-400 seconds, the film is taken down again, the area where the film is taken down is wiped by alcohol, the printing ink leakage area is obtained, and in addition, when the screen plate is manufactured, the screen at the connection position of the screen and the screen frame is stuck and fixed by using an adhesive tape.
(3) Preparing ink: mixing and stirring common gloss oil and anti-seepage oil for 5 minutes, adding a diluent after uniform mixing, and continuously mixing to obtain the ink, wherein the mass ratio of the common gloss oil to the anti-seepage oil to the diluent is 6: 3: 1, after being uniformly mixed, the printing ink is placed on a silk screen plate for standby.
(4) Ink scraping: after the flat screen printing machine is started, the scraper is lifted, the ink knife falls down, the ink knife scrapes and scrapes ink on the screen plate evenly when the screen plate moves backwards, the ink knife is lifted along with the advance of paper, the scraper falls down, the ink on the screen plate is scraped forwards by the scraper when the screen plate moves forwards, and the ink can fall down onto the paper through the ink leakage area.
(5) Drying: conveying the paper after ink scraping to a UV drying device through a transmission belt for drying and curing, and manually collecting paper after drying and curing, wherein the transmission belt is a variable speed transmission belt; the number of the used UV lamp tubes is two, the two UV lamp tubes are both 6.5 kilowatts, and the curing temperature is 60-80 ℃.
Therefore, the kraft paper and the black card flat screen printing process suitable for low-temperature printing are adopted, the anti-permeation oil and the gloss oil are mixed, the kraft paper is dried quickly, the kraft paper is prevented from being oiled, raw materials are saved, the brightness of the black card and the gloss oil on the kraft paper is guaranteed, and the whole process is simple and convenient to operate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (7)
1. The kraft paper and black card flat screen printing process suitable for low-temperature printing is characterized by comprising the following steps of:
(1) feeding paper: putting kraft paper or black cards to be printed at a paper feeding mechanism of a flat screen printing machine for feeding paper, adjusting the clamping width of the paper according to the size of the paper, and setting the paper feeding speed;
(2) installing a wire mesh plate: firstly, a silk screen is arranged on a silk screen frame, then glue is uniformly coated on the whole silk screen, an ink leakage area is manufactured at a proper position of the silk screen, and finally the manufactured silk screen plate is arranged on a flat screen printing machine;
(3) preparing ink: mixing and stirring common gloss oil and anti-seepage oil, adding a diluent after uniform mixing, and continuously mixing to obtain the ink, wherein the mass ratio of the common gloss oil to the anti-seepage oil to the diluent is 6: 3: 1, after uniformly mixing, placing the printing ink on a silk screen plate for later use;
(4) ink scraping: after the flat screen printer is started, the scraper is lifted, the ink knife falls down, the ink knife scrapes and scrapes ink on the screen plate evenly when the screen plate moves backwards, the ink knife is lifted and the scraper falls down along with the advance of the paper, the scraper scrapes the ink on the screen plate forwards when the screen plate moves forwards, and at the moment, the ink falls down onto the paper through the ink leakage area;
(5) drying: and conveying the paper subjected to ink scraping to a UV drying device through a transmission belt for drying and curing, and manually collecting the paper after drying and curing.
2. The kraft paper and black card flat screen printing process suitable for low temperature printing according to claim 1, wherein: the thickness range of the paper in the step (1) is 120-400 g, and the paper feeding speed is 2600 sheets/hour.
3. The kraft paper and black card flat screen printing process suitable for low temperature printing according to claim 1, wherein: when the ink leakage area is manufactured in the step (2), firstly, a needed film is stuck on a silk screen, then the silk screen with the film is placed on a plate drying machine for exposure, the exposure time is 300-400 seconds, the film is taken down again, and the area where the film is taken down is wiped by alcohol, so that the ink leakage area is obtained.
4. The kraft paper and black card flat screen printing process suitable for low temperature printing according to claim 1, wherein: and (3) when the screen plate is manufactured in the step (2), the screen at the joint of the screen and the screen frame needs to be adhered and fixed by using an adhesive tape.
5. The kraft paper and black card flat screen printing process suitable for low temperature printing according to claim 1, wherein: and (3) stirring the common gloss oil and the impermeable oil in the step (3) for 5 minutes.
6. The kraft paper and black card flat screen printing process suitable for low temperature printing according to claim 1, wherein: the conveyor belt in the step (5) is a variable speed conveyor belt.
7. The kraft paper and black card flat screen printing process suitable for low temperature printing according to claim 1, wherein: and (4) in the step (5), two UV lamp tubes are used in the UV drying device, the two UV lamp tubes are both 6.5 kilowatts, and the curing temperature is 60-80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094972.0A CN110757973A (en) | 2019-11-11 | 2019-11-11 | Kraft paper suitable for low-temperature printing and black card flat screen printing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094972.0A CN110757973A (en) | 2019-11-11 | 2019-11-11 | Kraft paper suitable for low-temperature printing and black card flat screen printing process |
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| Publication Number | Publication Date |
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| CN110757973A true CN110757973A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911094972.0A Pending CN110757973A (en) | 2019-11-11 | 2019-11-11 | Kraft paper suitable for low-temperature printing and black card flat screen printing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851730A (en) * | 2022-03-28 | 2022-08-05 | 东莞市美盈森环保科技有限公司 | Kraft paper large ink level printing method and kraft paper for packaging |
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| CN205767993U (en) * | 2016-07-02 | 2016-12-07 | 东莞市源铁印刷机械有限公司 | A kind of printing and ink-scraping device |
| CN109569983A (en) * | 2018-12-22 | 2019-04-05 | 东莞市诚嘉隆植绒制品有限公司 | A kind of paper jam flocking method |
| CN110424189A (en) * | 2019-08-19 | 2019-11-08 | 玉溪接装纸制造有限公司 | A kind of quick-fried pearl type tipping paper and preparation method thereof with laser effect |
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2019
- 2019-11-11 CN CN201911094972.0A patent/CN110757973A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202264954U (en) * | 2011-10-13 | 2012-06-06 | 河南华泰印业有限公司 | Novel paper snack box |
| CN104130675A (en) * | 2014-07-31 | 2014-11-05 | 东莞宏石功能材料科技有限公司 | Scraping-resistant UV matt varnish applied to matt membranes and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851730A (en) * | 2022-03-28 | 2022-08-05 | 东莞市美盈森环保科技有限公司 | Kraft paper large ink level printing method and kraft paper for packaging |
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Application publication date: 20200207 |