CN203528042U - Holographic BOPP seamless die-pressing plate roller - Google Patents
Holographic BOPP seamless die-pressing plate roller Download PDFInfo
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- CN203528042U CN203528042U CN201320600201.6U CN201320600201U CN203528042U CN 203528042 U CN203528042 U CN 203528042U CN 201320600201 U CN201320600201 U CN 201320600201U CN 203528042 U CN203528042 U CN 203528042U
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Abstract
The utility model relates to the technical field of seamless die-pressing plate rollers, in particular to a holographic BOPP seamless die-pressing plate roller. The holographic BOPP seamless die-pressing plate roller comprises a roller core, a bottom coating and a UV ink layer, wherein the roller core is sequentially coated with the bottom coating and the UV ink layer from inside to outside. A manufacturing method of the holographic BOPP seamless die-pressing plate roller comprises the steps that (1) a BOPP thin film with plate seams is manufactured according to a conventional process; (2) the roller core of the BOPP seamless plate roller is manufactured; (3) the roller core is coated with the bottom coating through a specific inking and curing device, and hot wind heating or infrared heating are adopted for curing the bottom coating; (4) the roller core is coated with the UV ink layer through the specific inking and curing device, and the seamless holographic laser plate roller is manufactured through a specific process. Compared with the prior art, the seamless plate roller is manufactured through the special process, the seams of the seamless plate roller are difficult to distinguish by the naked eyes of a person, the seamless plate roller can be directly used in an ordinary flexible pressing machine for production of BOPP seamless holographic films, the requirement of a follow-up replication process is lowered, energy conservation and consumption reduction are facilitated, and production efficiency is improved.
Description
[technical field]
The utility model relates to seamless molded roller technical field, specifically the seamless roller of a kind of holographic BOPP mold pressing.
[background technology]
Holographic BOPP mold pressing is commonly called as soft pressure, and the preheat roll by soft press to uniform temperature, then carries out pressing with the roller of posting hologram pattern nickel version by film heating, carries out coolingly simultaneously, and the pattern in nickel version is transferred on BOPP film, forms BOPP holographic film.Such film and paper is compound, can make each based packaging material, play attractive in appearance and false proof function simultaneously.
At present, the conventional way of BOPP holographic laser film, is by the sheet metallic nickel version after cutting, and wraps and is affixed on soft press roller surface.Which inevitably forms straight line stencilling seam at joint, and in the situation that craftsmanship's level is relatively high, this version seam width is 0.2～0.3mm approximately.For the resolution ratio 0.1mm of naked eyes, this edition seam clearly easily distinguished, follow-up multiple paper technique has been increased and jumped seam requirement, and technology difficulty is high, is unfavorable for intensive, high efficiency production.
Chinese utility model patent " the holographic pressing device without plate gap " (patent No.: the preparation method that a kind of cylindrical seamless molded plate 200520064521.x) is provided.Nickel version is rolled into barreled inwardly, as mother matrix, carries out reprint, electroforming goes out the holographic nickel version of seamless cylindrical shape.Although the cylindrical nickel version that this patent provides is seamless, still do not solve the piece problem of hologram pattern in nickel version.
Chinese utility model patent " the seamless moulding press of a kind of BOPP " (patent No.: 201010197975.x) provide a kind of BOPP making of seamless molded product in its utility model content, its method is for first producing the seamless PET film of a volume, with PET film, replace metallic nickel version, pattern is copied on BOPP film.In the method, also have some limitations, show as: 1) PET film adopts two compression technologies to make, easily exist and laminate dark space, this is the difficult problem that the holographic seamless film of PET is made field, and the flaw on PET film can all copy on BOPP film.2) length of PET film must be mated with BOPP film, if length differs or disconnected film phenomenon occurs in production process, can introduce new joint because connecing film.3) PET film molding compound is generally thermoplastic resin, and under larger pressure, its diffraction efficiency of grating can weaken gradually, and transfer number is limited, easily causes batch BOPP holographic film diffraction efficiency inconsistent.
Chinese utility model patent " the seamless laser molding press " (patent No.: 200910102010.9) provide a kind of seamless laser mould pressing technology, similar with PET seamless laser film principle, carry out preheating for twice and twice mold pressing, the preheat roll that secondary laminates or roller are comprised of two regions of heating and cooling, be sewn on heating region carry out the mode that secondary laminates and eliminate version seam by the version that one-step mould is formed.Which is high especially to equipment precision requirement, and the uniformity of diffraction efficiency of grating is also still to be tested.
(patent No.: the plate roller without plate seam of mentioning 201120297659.X) is also by being provided with a roller simultaneously with two regions of heating and cooling and 200910102010.9 has the effect playing the same tune on different musical instruments to Chinese utility model patent " plate roller without plate seam ".
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and provide a kind of holographic BOPP mold pressing seamless roller, by the seamless roller of special process producer naked eyes indistinguishable version seam, can be directly used on common soft press and produce BOPP seamless holographic films, reduced follow-up multiple paper technological requirement, be conducive to energy-saving consumption-reducing, promoted production efficiency.
Design for achieving the above object the seamless roller of a kind of holographic BOPP mold pressing, comprise roller core, the outer from-inner-to-outer of described roller core is coated with priming coat and UV ink layer successively.
Described roller core is iron roll or copper facing iron roll, and the roller footpath of described roller core is even.
Described priming coat is epoxy coating or isocyanates coating, and the thickness of described priming coat is 0.1-50 μ m.
Described UV ink layer is photocuring laser molding layer, and the thickness of described UV ink layer is 3-10 μ m.
Described roller core is arranged on inking solidification equipment, and described priming coat, UV ink layer are coated in outside roller core successively by inking solidification equipment respectively.
Described inking solidification equipment comprises inking device, solidification equipment, wrap-up and unwinding device, described solidification equipment is between wrap-up and unwinding device, described inking device is connected with solidification equipment, described inking device comprises upper inking roller and soft roller, described upper inking roller, soft roller, roller core connect successively, described upper inking roller is packaged type upper inking roller, between described roller core and unwinding device, pressure roller is installed, described roller core is connected with pressure roller, is provided with aluminium deflector roll between described unwinding device and pressure roller and between wrap-up and roller core.
Described inking device also comprises ink fountain and lowering or hoisting gear and inking region driving and reversing mechanism, and described upper inking roller is arranged on ink fountain and lowering or hoisting gear, and described ink fountain and lowering or hoisting gear are positioned on the driving and reversing mechanism of inking region.
Described solidification equipment comprises ultra-violet curing machine, and described ultra-violet curing machine is arranged on roller core place.
The utility model compared with the existing technology, tool has the following advantages: the seamless roller of holographic BOPP mold pressing described in the utility model, version seam≤the 0.05mm of its holographic laser pattern joint, and be irregular waveform (as shown in Figure 3), be compared to the version seam (as shown in Figure 4) of conventional BOPP holographic laser film >=0.2mm, this irregular waveform version is stitched almost naked eyes and is difficult to identification; In addition, adopt the seamless roller of holographic BOPP mold pressing described in the utility model to make BOPP holographic laser film, not only reduced follow-up multiple paper technological requirement, and the making of comparing other the seamless BOPP films on market is through 2 mold pressings, seamless roller of the present utility model only needs one-step mould just can form seamless product, be conducive to energy-saving consumption-reducing, promoted production efficiency, be worthy of popularization.
[accompanying drawing explanation]
The structural representation of seamless roller in Fig. 1 the utility model;
Fig. 2 is the structural representation of inking solidification equipment in the utility model;
Fig. 3 is the BOPP holographic laser film schematic appearance that adopts the seamless roller of the utility model to make;
Fig. 4 is the BOPP holographic laser film schematic appearance of conventional version seam >=0.2mm;
In figure: seamless roller version seam 17, priming coat 18, the UV ink layer 1, observed under wrap-up 2, ultra-violet curing machine 3, unwinding device 4, curing area wallboard 5, aluminium deflector roll 6, roller core 7, pressure roller 8, soft roller 9, upper ink-covered area wallboard 10, upper inking roller 11, ink fountain and lowering or hoisting gear 12, inking region driving and reversing mechanism 13, subsides version version seam 14, pattern 15, film 16, magnifying glass.
[specific embodiment]
Below in conjunction with accompanying drawing, the utility model is done to following further illustrating:
As shown in Figure 1, in the utility model, the seamless roller of holographic BOPP mold pressing comprises roller core 6, and the outer from-inner-to-outer of roller core is coated with priming coat 17 and UV ink layer 18 successively; Wherein, roller core is iron roll or copper facing iron roll, as the supporting layer of seamless roller, requires the roller footpath of roller core even, and roller core surface smoothness is 5.0-7.0, and roller core girth is determined according to the single justifying distance of laser holographic pattern (being called for short version week); Priming coat is epoxy coating or isocyanates coating, in order to strengthen the adhesion of roller core and UV ink layer, and the utility model preferred epoxy coating, the thickness of priming coat is 0.1-50 μ m; UV ink layer is photocuring laser molding layer, this photocuring laser molding layer refers to and passes through ultraviolet curing process, take light-curable ink as carrier, holographic laser design transfer is arrived to light solidifying coating surface, replace metallic nickel version as embossed holographic working version, the thickness of described UV ink layer is 3-10 μ m, and the surperficial pencil hardness of UV ink layer is 3H-5H.
The preparation method of the seamless roller of holographic BOPP mold pressing described in the utility model, comprises the following steps:
1) adopt conventional press moulding mode to produce the BOPP film of version seam, its edition week, than the large 20%-30% of edition week of the seamless roller of BOPP mold pressing of required making, is strict with version seam size nothing in this step;
2) make the roller core of a seamless roller of BOPP mold pressing, the material of roller core can be selected iron roll or copper facing iron roll, and roller core surface smoothness is 5.0-7.0, and the roller footpath of roller core is even, the BOPP seamless laser film version Zhou Xiangtong of its edition week and required making;
3) roller core is arranged on inking solidification equipment, by inking solidification equipment, on roller core, apply one deck primary coat, obtain priming coat, adopt hot blast or infrared heating to solidify, wherein, priming coat is epoxy coating or isocyanates coating, and the thickness of priming coat is 0.1-50 μ m, and this priming coat is the adhesion that strengthens roller core and UV ink layer, preferred epoxy coating, in hot blast or infrared heating solidification process, keep roller core with certain speed uniform rotation, until priming coat is completely curing;
4) by inking solidification equipment, on priming coat, apply one deck UV ink, obtain UV ink layer, the thickness of UV ink layer is 3-10 μ m, the surperficial pencil hardness of UV ink layer is 3H-5H, take UV ink as carrier, and the BOPP film that take has version to stitch is mother matrix, and the holographic laser design transfer on BOPP film is surperficial to UV ink layer, and make the version seam on BOPP film can not be transferred to UV ink layer surface, thereby make the seamless roller of holographic BOPP mold pressing.
As shown in Figure 2, schematic diagram for inking solidification equipment described in step 3) and step 4), this inking solidification equipment comprises inking device, solidification equipment, wrap-up 1 and unwinding device 3, solidification equipment is between wrap-up and unwinding device, inking device is connected with solidification equipment, solidification equipment is mainly comprised of ultra-violet curing machine 2 and curing area wallboard 4, ultra-violet curing machine is arranged on roller core place, inking device is mainly comprised of upper inking roller 10 and soft roller 8, also comprise ink-covered area wallboard 9, ink fountain and lowering or hoisting gear 11 and inking region driving and reversing mechanism 12, wherein, upper inking roller, soft roller, roller core 6 connects successively, upper inking roller is arranged on ink fountain and lowering or hoisting gear, ink fountain and lowering or hoisting gear are positioned at inking region driving and reversing mechanism, thereby upper inking roller is packaged type upper inking roller, pressure roller 7 is installed between roller core and unwinding device, roller core is connected with pressure roller, between unwinding device and pressure roller and between wrap-up and roller core, be provided with aluminium deflector roll 5, ink reaches soft roller from upper inking roller, then reaches roller from soft version rod, and this inking device guarantees that inking is even, China ink amount is controlled, when roller core evenly applies after primary coat ink and UV ink successively, inking device is removed and is carried out solidifying of roller core ink.
In step 4), UV ink reaches soft roller from the upper inking roller of inking device, then reaches the priming coat of roller core from soft roller, on the priming coat of roller core, evenly applies after UV ink, and inking device is removed, and is rotated further roller core, makes UV ink solidification; To there is the BOPP film of version seam from unwinding device process aluminium deflector roll and pressure roller simultaneously, under pressure roller pressing, fit with the roller core that is coated with UV ink, holographic laser design transfer on BOPP film is surperficial to UV ink layer, and guarantee that the version seam on BOPP film can not be transferred, after solidifying by ultraviolet lighting, BOPP film and roller core are peeled off, then pass through aluminium deflector roll and wrap-up rolling; After holographic laser design transfer is complete, throw off BOPP film, roller core is rotated further under ultraviolet lighting, make UV ink fully curing, obtain the seamless roller of holographic BOPP mold pressing.
This step 4) is that to have a BOPP film for version seam be mother matrix, under the curing condition of anaerobic by holographic laser design transfer to roller core, thereby obtain seamless holographic laser pattern.Specifically, be by BOPP film from unwinding device through aluminium deflector roll and pressure roller, under pressure roller effect, with the roller core laminating that is coated with UV ink, under certain speed of a motor vehicle, by ultraviolet lighting, solidify rear and roller core and peel off, then pass through aluminium deflector roll and wrap-up rolling.Until evenly applying after UV ink on roller core, back out inking device, roller core continue to rotate, a small amount of UV ink under the acting in conjunction power of deadweight and film tension force on roller core formation rule or irregular wave shape wave, thereby on roller core, form corrugated version seam, the about 0.05mm of intersection line thickness.Be rotated further distance to the 120-130% in version week, UV ink is all solidified, but version seam on BOPP film can not be transferred on roller core.After design transfer is complete, throw off BOPP film, by roller core uniform rotation 3-4 circle under uviol lamp, make ink fully curing, obtain the seamless roller of holographic BOPP mold pressing of naked eyes indistinguishable version seam.
As shown in Figure 3, be the BOPP holographic laser film schematic appearance that adopts the seamless roller of the utility model to make, the seamless roller version seam 16 of observing under pattern 14, film 15 and magnifying glass as seen from the figure, this edition waveform that seam is width≤0.05mm;
As shown in Figure 4, BOPP holographic laser film schematic appearance for conventional version seam >=0.2mm, in the utility model preparation method, described in step 1), have edition BOPP film of seam similarly, pattern 14, film 15 and subsides version version stitch 13 as seen from the figure, this version seam width >=0.2mm.
Below in conjunction with specific embodiment, the utility model is done to following further illustrating:
Determine as required a holographic laser pattern, pattern as shown in Figure 3, the nickel version of making this Thinfilm pattern is to take the nickel version that 8 patterns are a cycle period, cycle period length (version is all) is 560mm.First, by group version, making version week is the metallic nickel version of 640mm, adopts conventional press moulding mode to produce the BOPP film of version seam, as shown in Figure 4.Then, making a version week is the iron roll core of 560mm, be arranged on inking device, by inking device last layer epoxy primary coat ink, host and curing agent proportioning are 4:1, uniform rotation roller core, by hand-held infrared heater to its heating, drying, adopting precision is the kind of calliper roller footpath of 1 μ m, and obtaining coating layer thickness is 30-35 μ m.The BOPP film that has version seam of version week 640mm is worn to film by shown in Fig. 2, and carry out mark at the version seam place of BOPP film, UV ink is passed through to upper inking roller successively, soft roller passes on roller core, simultaneously by pressure roller pressing, make BOPP film mold pressing surface and roller core laminating, unlatching uviol lamp is cured, after UV ink on roller core evenly applies, back out inking device, be rotated further roller core, when being about to enter pressure roller, version seam mark throws off pressure roller, now BOPP film is separated with roller core, continue again to rotate roller core 3-4 circle, close uviol lamp, obtain the seamless roller of holographic BOPP as shown in Figure 1, its UV ink pellet surface pencil hardness is 4H.This seamless roller is mounted to conventional soft being installed with for upper, according to common process, carry out mold pressing, can obtain seamless BOPP holographic laser film as shown in Figure 3, roller that this is seamless can the about 50000-60000 rice of continuous mould pressing BOPP film length, little with nickel version life-span difference.
The utility model is not subject to the restriction of above-mentioned embodiment; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (8)
1. the seamless roller of holographic BOPP mold pressing, is characterized in that: comprise roller core, the outer from-inner-to-outer of described roller core is coated with priming coat and UV ink layer successively.
2. the seamless roller of holographic BOPP mold pressing as claimed in claim 1, is characterized in that: described roller core is iron roll or copper facing iron roll, and the roller footpath of described roller core is even.
3. the seamless roller of holographic BOPP mold pressing as claimed in claim 1 or 2, is characterized in that: described priming coat is epoxy coating or isocyanates coating, and the thickness of described priming coat is 0.1-50 μ m.
4. the seamless roller of holographic BOPP mold pressing as claimed in claim 3, is characterized in that: described UV ink layer is photocuring laser molding layer, and the thickness of described UV ink layer is 3-10 μ m.
5. the seamless roller of holographic BOPP mold pressing as claimed in claim 4, is characterized in that: described roller core is arranged on inking solidification equipment, and described priming coat, UV ink layer are coated in outside roller core successively by inking solidification equipment respectively.
6. the seamless roller of holographic BOPP mold pressing as claimed in claim 5, it is characterized in that: described inking solidification equipment comprises inking device, solidification equipment, wrap-up and unwinding device, described solidification equipment is between wrap-up and unwinding device, described inking device is connected with solidification equipment, described inking device comprises upper inking roller and soft roller, described upper inking roller, soft roller, roller core connects successively, described upper inking roller is packaged type upper inking roller, between described roller core and unwinding device, pressure roller is installed, described roller core is connected with pressure roller, between described unwinding device and pressure roller and between wrap-up and roller core, be provided with aluminium deflector roll.
7. the seamless roller of holographic BOPP mold pressing as claimed in claim 6, it is characterized in that: described inking device also comprises ink fountain and lowering or hoisting gear and inking region driving and reversing mechanism, described upper inking roller is arranged on ink fountain and lowering or hoisting gear, and described ink fountain and lowering or hoisting gear are positioned on the driving and reversing mechanism of inking region.
8. the seamless roller of holographic BOPP mold pressing as claimed in claim 7, is characterized in that: described solidification equipment comprises ultra-violet curing machine, and described ultra-violet curing machine is arranged on roller core place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320600201.6U CN203528042U (en) | 2013-09-26 | 2013-09-26 | Holographic BOPP seamless die-pressing plate roller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320600201.6U CN203528042U (en) | 2013-09-26 | 2013-09-26 | Holographic BOPP seamless die-pressing plate roller |
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| CN203528042U true CN203528042U (en) | 2014-04-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507393A (en) * | 2013-09-26 | 2014-01-15 | 上海宏盾防伪材料有限公司 | Holographic BOPP mold pressing seamless plate roller and manufacturing method thereof |
| CN113625526A (en) * | 2020-05-08 | 2021-11-09 | 光群雷射科技股份有限公司 | Seamless hologram pattern transfer method |
-
2013
- 2013-09-26 CN CN201320600201.6U patent/CN203528042U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507393A (en) * | 2013-09-26 | 2014-01-15 | 上海宏盾防伪材料有限公司 | Holographic BOPP mold pressing seamless plate roller and manufacturing method thereof |
| CN103507393B (en) * | 2013-09-26 | 2016-06-15 | 上海宏盾防伪材料有限公司 | A kind of holographic BOPP embosses seamless roller and preparation method thereof |
| CN113625526A (en) * | 2020-05-08 | 2021-11-09 | 光群雷射科技股份有限公司 | Seamless hologram pattern transfer method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |