CN101216665A - Laser holographic molding press method for graph-text - Google Patents
Laser holographic molding press method for graph-text Download PDFInfo
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- CN101216665A CN101216665A CNA2007100329235A CN200710032923A CN101216665A CN 101216665 A CN101216665 A CN 101216665A CN A2007100329235 A CNA2007100329235 A CN A2007100329235A CN 200710032923 A CN200710032923 A CN 200710032923A CN 101216665 A CN101216665 A CN 101216665A
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Abstract
A laser holographic text mold pressing method comprises the following steps: (1) a mold-pressing plate is mounted on a heating roller to form a mold-pressing printing roller; (2) a preheating roller is arranged in front of the mold-pressing printing roller, a cooling roller is arranged behind the mold-pressing printing roller, and molding material on the mold-pressing printing roller is free from wrap angles; (3) the molding material passes through the preheating roller, and the preheating roller preheats the molding material to soften the part of resin coating near a basement membrane; (4) the molding material is molded in a place between the mold-pressing printing roller and a pressing roller, so that the laser holographic text on the mold-pressing printing roller is transferred onto the resin coating of the molding material; (5) the molding material molded with the laser holographic text passes through the cooling roller, and the cooling roller cools the molding material to solidify the resin coating. As for a molded product obtained through adopting the invention, shining degree of the laser graph-text is high, and the laser holographic text is clear, complete, abundant in graphic levels and high-quality, and can be transferred onto paper or other materials.
Description
Technical field
The present invention relates to mould pressing method, specifically, relate to a kind of laser holograph mould pressing method.
Background technology
Laser holograph mould pressing method may further comprise the steps: at first obtain laser holograph by holographic photography or Computerized laser holographic simulation design; By laser engraving machine laser holograph is reappeared on mother matrix then; Mother matrix is duplicated into nickel version (being the die work version) through electroforming; The nickel version is contained on the block press, (moulding material is generally film to the nickel version on heating applies pressure to the mold pressing surface of moulding material, as OPP film (oriented polypropylene film), PET film (mylar), then can suppress laser holograph on the mold pressing surface of moulding material, mold pressing has the moulding material of laser holograph to be commonly called as radium-shine film.Radium-shine film through aluminize, compound, peel off, can obtain laser transfer paper.
At present laser holograph mould pressing equipment has two kinds of rainbow holography molding apparatus (being commonly called as soft pressure equipment) and laser holographic molding equipment (being hard pressure equipment).
Pressure, temperature that soft pressure equipment adopts are lower, roller surface hardness also lower (being generally Shao Shi A85 °～98 °).Soft pressure equipment generally is used for BOPP film (bidirectional stretching polypropylene film), the mold pressing of moulding materials such as OPP film, earlier moulding material is carried out preheating during soft pressure equipment mold pressing, nickel version with temperature lower (temperature range is generally 45 ℃～60 ℃) extrudes laser holograph at the mold pressing surface patrix of moulding material then, as shown in Figure 1, unreeling structure 01 unreels, moulding material 02 is after a plurality of transition roller 06 guiding, carry out preheating by preheat roll 03, be transported to then between forging printing plate roller 04 and the pressure roller 05 and carry out mold pressing, moulding material 02 infantees forging printing plate roller 04 after the mold pressing, again after a plurality of transition roller 06 guiding, by rolling-up mechanism 07 rolling.Adopt soft pressure technology, equipment investment is few, and production cost is lower, but moulding material heat-resisting quantities such as BOPP, OPP are relatively poor, and deflection is big; Product quality after the mold pressing is relatively poor, can only show partly laser intelligence, rather than omnibearing information, and the visual inspection luminance brightness is relatively poor, and the multi-angle level changes dull.
Hard pressure equipment adopts pressure, temperature is higher, roller surface hardness higher (generally can reach Shao Shi B85 °), hard pressure equipment is usually used in the PET moulding material, and (the PET moulding material comprises basement membrane and is used to form the resinous coat (resinous coat is formed by hot-melt resin) of mold pressing surface, resinous coat is located on the one side of basement membrane) mold pressing, need not carry out preheating to moulding material during hard pressure equipment mold pressing, and extrude laser holograph at the mold pressing surface patrix of moulding material with the nickel version of temperature higher (temperature range is generally 140 ℃～200 ℃), product quality after the mold pressing is better, laser figure line luminance brightness height, levels are rich, and can be transferred on paper or other materials, to reduce white pollution, satisfy environmental requirement, but equipment investment is big, the working condition harshness.
Summary of the invention
Technical matters to be solved by this invention is at above-mentioned the deficiencies in the prior art part, by soft pressure equipment is made local flow improvement, a kind of laser holograph mould pressing method that can implement on improved equipment is proposed, this laser holograph mould pressing method is used for mold pressing laser holograph on the PET moulding material, the PET moulding material comprises basement membrane and is used to form the resinous coat of mold pressing surface, resinous coat is located on the one side of basement membrane, this laser holograph mould pressing method obtains quality molded product preferably with less equipment input, lower producing cost.The technical scheme that adopts is as follows:
A kind of laser holograph mould pressing method may further comprise the steps: (1) is installed in the die work version on the warm-up mill, forms forging printing plate roller; (2) preheat roll was set before forging printing plate roller, chill roll is set after forging printing plate roller, and make moulding material on forging printing plate roller, not have cornerite; (3) moulding material at first passes through preheat roll, and preheat roll carries out preheating to moulding material, and the part that makes resinous coat press close to basement membrane is softened; (4) then moulding material is through carrying out mold pressing between forging printing plate roller and the pressure roller, and the laser holograph on the forging printing plate roller is transferred on the resinous coat of moulding material; (5) mold pressing has the moulding material process chill roll of laser holograph, and chill roll cools off moulding material, and resinous coat is solidified.
The die work version can adopt to paste the version form or block a version form and be installed on the warm-up mill.Pasting the version form is mode commonly used in the prior art, by binding material the die work version is bonded on the warm-up mill, forms forging printing plate roller, and after a period of time, binding material is subjected to hot-extrudable easily but this forging printing plate roller is at high temperature worked, and pollutes the space of a whole page.Card version form effectively overcomes the defective of pasting the version form, is axially arranged with draw-in groove in the surperficial upper edge of warm-up mill, and the die work version is close on the surface of warm-up mill, and the two ends of die work version embed in the draw-in groove.
The skin hardness of preferred pressure roller is Shao Shi B60 °～85 °.
All should try one's best near forging printing plate roller in the position of preheat roll, chill roll.
In order to make moulding material on forging printing plate roller, not have cornerite, only need adjust preheat roll, forging printing plate roller and chill roll three's position.
Preheat roll contacts with the basement membrane of moulding material, and the heat energy of preheat roll conducts to resinous coat through basement membrane during preheating, makes resinous coat press close to the part of basement membrane (accounting for resinous coat 1/3) temperature rising and softening.The temperature of preferred preheat roll roll surface is 80 ℃～140 ℃.
The temperature of preferred forging printing plate roller roll surface is 140 ℃～200 ℃.During concrete production, if the temperature of preheat roll roll surface is higher, then the temperature of forging printing plate roller roll surface can be lower; If the temperature of preheat roll roll surface is lower, then the temperature of forging printing plate roller roll surface should be higher.
Because moulding material does not have cornerite on forging printing plate roller, therefore the moulding material after mold pressing does not contact with forging printing plate roller, and the laser holograph on the resinous coat of moulding material can not sustain damage, and prevents laser hologram information dropout.
Preferred chill roll contacts with the resinous coat of moulding material, can have the resinous coat of laser holograph directly to cool off to mold pressing like this, and resinous coat is solidified fast, prevents laser hologram information dropout.The roll surface temperature of preferred chill roll is 10 ℃～22 ℃.
The present invention was provided with preheat roll before forging printing plate roller, chill roll is set after forging printing plate roller, and soft pressure equipment is made local flow improvement, and less input for equipment, can make full use of original production equipment; By preheat roll moulding material is carried out preheating before the mold pressing, and adopt higher forging printing plate roller of temperature and the higher pressure roller of hardness that the moulding material through preheating is carried out mold pressing, moulding material after the mold pressing no cornerite and cool off on forging printing plate roller by chill roll, the molded product laser figure line luminance brightness height that adopts this laser holograph mould pressing method to obtain, laser holograph is clear, complete, levels are rich, quality is better, and can be transferred on paper or other materials.
Description of drawings
Fig. 1 is the structural representation of existing soft pressure equipment;
Fig. 2 is the structural representation of the used molding device of the present invention;
Fig. 3 is the structural representation of forging printing plate roller among Fig. 2.
Embodiment
With reference to Fig. 2, this laser holograph mould pressing method may further comprise the steps:
(1) die work version 1 is installed on the warm-up mill 2, forms forging printing plate roller 3; As shown in Figure 3, die work version 1 adopts card version form to be installed on the warm-up mill 2, is axially arranged with draw-in groove 21 in the surperficial upper edge of warm-up mill 2, and die work version 1 is close on the surface of warm-up mill 2, and the two ends of die work version 1 embed in the draw-in groove 21;
(2) preheat roll 4 was set before forging printing plate roller 3, chill roll 5 is set after forging printing plate roller 3, and make moulding material 6 on forging printing plate roller 3, not have cornerite; All should try one's best near forging printing plate roller 3 in the position of preheat roll 4, chill roll 5;
(3) unreeling structure 7 unreels, (moulding material 6 adopts the PET moulding material to moulding material 6, the PET moulding material comprises basement membrane and is used to form the resinous coat of mold pressing surface, resinous coat is located on the one side of basement membrane) by a plurality of transition roller 8 guiding, at first pass through preheat roll 4, preheat roll 4 contacts with the basement membrane of moulding material 6, and moulding material 6 is carried out preheating, makes resinous coat press close to the part of basement membrane (accounting for resinous coat 1/3) and softens;
(4) then moulding material 6 is through carrying out mold pressing between forging printing plate roller 3 and the pressure roller 9, and the laser holograph on the forging printing plate roller 3 is transferred on the resinous coat of moulding material 6;
(5) mold pressing has the moulding material 6 of laser holograph through chill roll 5, chill roll 5 contacts with the resinous coat of moulding material 6, there is the resinous coat of laser holograph directly to cool off to mold pressing, resinous coat is solidified fast, moulding material 6 carries out rolling through a plurality of transition roller 8 guiding by rolling-up mechanism 10 subsequently.
The temperature of preheat roll 4 roll surfaces can be set between 80 ℃～140 ℃; The temperature of forging printing plate roller 3 roll surfaces can be set between 140 ℃～200 ℃.During concrete production, if the temperature of preheat roll 4 roll surfaces is higher, then the temperature of forging printing plate roller 3 roll surfaces can be lower; If the temperature of preheat roll 4 roll surfaces is lower, then the temperature of forging printing plate roller 3 roll surfaces should be higher.
The roll surface temperature of chill roll 5 can be set between 10 ℃～22 ℃.
The skin hardness of pressure roller 9 can be selected between Shao Shi B60 °～85 °.
Claims (8)
1. laser holograph mould pressing method, may further comprise the steps: (1) is installed in the die work version on the warm-up mill, forms forging printing plate roller; (2) preheat roll was set before forging printing plate roller, chill roll is set after forging printing plate roller, and make moulding material on forging printing plate roller, not have cornerite; (3) moulding material comprises basement membrane and the resinous coat that is used to form mold pressing surface, and resinous coat is located on the one side of basement membrane, and moulding material at first passes through preheat roll, and preheat roll carries out preheating to moulding material, and the part that makes resinous coat press close to basement membrane is softened; (4) then moulding material is through carrying out mold pressing between forging printing plate roller and the pressure roller, and the laser holograph on the forging printing plate roller is transferred on the resinous coat of moulding material; (5) mold pressing has the moulding material process chill roll of laser holograph, and chill roll cools off moulding material, and resinous coat is solidified.
2. laser holograph mould pressing method according to claim 1, it is characterized in that: described die work version adopts card version form to be installed on the warm-up mill, surperficial upper edge at warm-up mill is axially arranged with draw-in groove, the die work version is close on the surface of warm-up mill, and the two ends of die work version embed in the draw-in groove.
3. laser holograph mould pressing method according to claim 1 is characterized in that: the skin hardness of described pressure roller is Shao Shi B60 °～85 °.
4. laser holograph mould pressing method according to claim 1 is characterized in that: described preheat roll contacts with the basement membrane of moulding material.
5. laser holograph mould pressing method according to claim 1 is characterized in that: the temperature of described preheat roll roll surface is 80 ℃～140 ℃.
6. laser holograph mould pressing method according to claim 1 is characterized in that: the temperature of described forging printing plate roller roll surface is 140 ℃～200 ℃.
7. laser holograph mould pressing method according to claim 1 is characterized in that: described chill roll contacts with the resinous coat of moulding material.
8. laser holograph mould pressing method according to claim 1 is characterized in that: the roll surface temperature of described chill roll is 10 ℃～22 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100329235A CN101216665A (en) | 2007-12-28 | 2007-12-28 | Laser holographic molding press method for graph-text |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100329235A CN101216665A (en) | 2007-12-28 | 2007-12-28 | Laser holographic molding press method for graph-text |
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| CN101216665A true CN101216665A (en) | 2008-07-09 |
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| CNA2007100329235A Pending CN101216665A (en) | 2007-12-28 | 2007-12-28 | Laser holographic molding press method for graph-text |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544153A (en) * | 2009-04-29 | 2009-09-30 | 汕头市壮丽印刷有限公司 | Non-polar high polymer film laser moulding method and non-polar high polymer film integral machine for laser processing |
| CN103448351A (en) * | 2013-09-18 | 2013-12-18 | 汕头市鑫瑞纸品有限公司 | Manufacture technology of seamless mould pressing plate roller and seamless mould pressing plate roller manufactured by using manufacture technology |
| CN104175709A (en) * | 2014-08-25 | 2014-12-03 | 浙江中佳科技有限公司 | Laser mold pressing machine capable of mold pressing PET and OPP films |
| CN105584879A (en) * | 2014-10-24 | 2016-05-18 | 中丰田光电科技(珠海)有限公司 | Laser membrane stretching detection method |
| CN107984529A (en) * | 2017-12-01 | 2018-05-04 | 常德金德新材料科技股份有限公司 | A kind of transmission mechanism of moulding press |
| CN109532203A (en) * | 2018-10-19 | 2019-03-29 | 中丰田光电科技(珠海)有限公司 | A kind of multifunctional holographic pattern optical frequency variable keyline layout method and device |
| CN109624536A (en) * | 2018-12-28 | 2019-04-16 | 上海顺灏新材料科技股份有限公司 | A kind of preparation method and applications of reusable transfer pre-coating film |
| CN110614861A (en) * | 2019-09-12 | 2019-12-27 | 东莞光群雷射科技有限公司 | Production process of CPP film laser holographic film |
-
2007
- 2007-12-28 CN CNA2007100329235A patent/CN101216665A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544153A (en) * | 2009-04-29 | 2009-09-30 | 汕头市壮丽印刷有限公司 | Non-polar high polymer film laser moulding method and non-polar high polymer film integral machine for laser processing |
| CN103448351A (en) * | 2013-09-18 | 2013-12-18 | 汕头市鑫瑞纸品有限公司 | Manufacture technology of seamless mould pressing plate roller and seamless mould pressing plate roller manufactured by using manufacture technology |
| CN104175709A (en) * | 2014-08-25 | 2014-12-03 | 浙江中佳科技有限公司 | Laser mold pressing machine capable of mold pressing PET and OPP films |
| CN105584879A (en) * | 2014-10-24 | 2016-05-18 | 中丰田光电科技(珠海)有限公司 | Laser membrane stretching detection method |
| CN107984529A (en) * | 2017-12-01 | 2018-05-04 | 常德金德新材料科技股份有限公司 | A kind of transmission mechanism of moulding press |
| CN109532203A (en) * | 2018-10-19 | 2019-03-29 | 中丰田光电科技(珠海)有限公司 | A kind of multifunctional holographic pattern optical frequency variable keyline layout method and device |
| CN109624536A (en) * | 2018-12-28 | 2019-04-16 | 上海顺灏新材料科技股份有限公司 | A kind of preparation method and applications of reusable transfer pre-coating film |
| CN110614861A (en) * | 2019-09-12 | 2019-12-27 | 东莞光群雷射科技有限公司 | Production process of CPP film laser holographic film |
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Open date: 20080709 |