CN104589784A - Screen printer with LED UV ink curing light sources - Google Patents
Screen printer with LED UV ink curing light sources Download PDFInfo
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- CN104589784A CN104589784A CN201410837036.5A CN201410837036A CN104589784A CN 104589784 A CN104589784 A CN 104589784A CN 201410837036 A CN201410837036 A CN 201410837036A CN 104589784 A CN104589784 A CN 104589784A
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Abstract
The invention discloses a screen printer with LED UV ink curing light sources. The screen printer with the LED UV ink curing light sources comprises a machine frame, wherein a plurality of printer color cells are arranged on the machine frame, the multiple LED UV ink curing light sources are arranged among the printer color cells, and the light-emitting surfaces of the multiple LED UV ink curing light sources are aligned with a printing surface of a printing material; each LED UV ink curing light source comprises a power source circuit substrate, wherein an LED UV light-emitting module and/or LED UV light-emitting beads are installed on the power source circuit substrate and are all composed of a plurality of UV light-emitting semiconductors which are LED UV light-emitting elements, and the light-emitting wave length range is 200-500 nm. The screen printer with the LED UV ink curing light sources does not generate mercury and harmful gas, the needed voltage is low, production safety problems are avoided, preheating is not needed in the use process, the service life is as long as 25000-30000 hours, a shutter component is not needed as the temperature is not high and preheating is not needed, and the production cost is reduced.
Description
Technical field
The present invention relates to a kind of screen process press being provided with LED UV ink solidification light source.
Background technology
Serigraphy belongs to porous printing.Screen process press is when printing, apply certain pressure by scraper to silk-screen plate the part mesh of silk-screen plate to be bitten through ink to stock, form picture and text, on forme, the mesh of remainder is blocked, and through ink, can not form blank parts on the substrate.
In the conventional technology, screen process press generally all adopts solvent type ink printing, traditional solvent type ink printing need carry out drying through mode that is air-dry or infrared drying, often need several minutes even drying time of tens of hours, the printing quality problems such as so easy generation such as set-off.And adopt UV (Ultraviolet, be called for short UV, i.e. ultraviolet) ink enforcement printing, under the radiation of ultraviolet light, ink just energy dry solidification rapidly within the several seconds, the printed matter space of a whole page obtained is clean, color is saturated, image is exquisite, glossiness is high, special adaptation high speed printing, and have good absorption and mechanical performance to all kinds of printable fabric, therefore, nowadays UV ink printing is being widely used.UV ink printing is generally utilize wavelength to be that to cause the liquid printing-ink fast transition with chemical reactivity as radiation energy be solid ink for the ultraviolet light of 200 ~ 450nm.
At present, screen process press, among existing technology, is all adopt the UV mercury lamp adding iron mercury and other pernicious gas to the solidification of ink in printing press.But, this UV mercury lamp for cured printing ink also exists following problem: (1) is in UV mercury lamp, mercury containing heavy metal, iron and pernicious gas, it is to atmosphere pollution, relatively more serious to the injury of human body and equipment, and harm operating personnel's is healthy; (2) traditional UV mercury lamp, main employing 1500V-2000V high drive, normal for often to prop up about 20KW, it converts to useful only has 1/10th to the power that ink plays solidification effect, and necessary preheating, physical life only has 1000 hours, scraps the heavy metal mercury in rear fluorescent tube, iron and the argon gas added wherein causes injury without redemption to environment; (3) UV mercury lamp just need can send ultraviolet by after intraluminal mercury atomization, temperature needs more than 600 DEG C, the ultraviolet for UV ink solidification is wherein had to only have 15%-25%, there is the infrared ray of more than 50%, thermal discharge is large, has very large harm (4) UV mercury lamp to make reason because of it to printed matter environment, human body, equipment, fluorescent tube two and the middle non-uniform light of fluorescent tube, cause printed matter UV ink solidification uneven, time serious, cause printed matter batch to scrap; (5) UV mercury lamp is because of its principle of luminosity, can not the length of spectrum required for UV ink solidification and printing format regulate send ultraviolet to the spectrum needed for UV ink solidification, the length of the solidification breadth needed for unadjustable printed matter UV ink, causes very large energy waste.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, provides that a kind of temperature is low, the screen process press being provided with LED UV ink solidification light source of ozone free, energy-saving consumption-reducing.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of screen process press being provided with LED UV ink solidification light source of the present invention, it comprises:
Frame, described frame is provided with some printing machine colour cells, is provided with some LED UV ink solidification light sources between described printing machine colour cell, and the light-emitting area of some described LED UV ink solidification light sources aims at the printing surface of printed matter;
Described LED UV ink solidification light source comprises power circuit substrate, described power circuit substrate is provided with LED UV light emitting module and/or LED UV luminescence-utraviolet lamp pearl; Described LED UV light emitting module and described LED UV luminescence-utraviolet lamp pearl all consist of several ultra-violet light-emitting semiconductors; Described ultra-violet light-emitting semiconductor is LED ultraviolet light emitting device, and the wave-length coverage of its luminescence is 200nm ~ 500nm.
Described LED UV light emitting module and described LED UV luminescence-utraviolet lamp pearl are all fixed on described power circuit substrate by heat-conducting glue;
Ultra-violet light-emitting semiconductor described in several forms a LED UV light emitting module, LEDUV light emitting module described in several is arranged on power circuit substrate, load onto two side plates in the both sides of power circuit substrate, cover back shroud, form complete LED UV ink solidification light source; Reach the solidifying requirements to screen process press UV ink printing.
Or, ultra-violet light-emitting semiconductor described in several forms a circular LED UV luminescence-utraviolet lamp pearl, described in several, LED UV luminescence-utraviolet lamp pearl is arranged on power circuit substrate, two side plates are loaded onto in the both sides of power circuit substrate, cover back shroud, form complete LED UV ink solidification light source, reach the solidifying requirements to screen process press UV ink printing.
Further, LED UV light emitting module described in several and described LED UV luminescence-utraviolet lamp pearl are integrated on described power circuit substrate by the mode of series and parallel connections.
Further, described power circuit substrate is provided with limbers, is provided with water stream channel in described power circuit substrate, the water stream channel in described power circuit substrate is rectangular channel-shaped water stream channel.
Further, state on power circuit substrate and be also provided with driving power, described driving power is for the adjustment of the ultraviolet energy of control LED ultra-violet light-emitting semiconductor.
Further, in order to increase solidification effect, the wavelength of described ultra-violet light-emitting semiconductor light emitting is set to 250nm ~ 400nm.
The cross section of described limbers is circular or rectangle, water stream channel in described power circuit substrate is rectangular channel-shaped water stream channel, the area of water flowing can be increased greatly, the water amount water flowing compared to existing technology of cooling water adds several times, and therefore LED UV light source causes LED UV semiconductor to damage because producing high temperature never again.
The present invention can assemble according to the solidifying requirements of printing machine UV ink, drives with constant-current driving power supply, can consolidation zone needed for print product UV ink, regulates length and the luminous power of the luminescence of LED UV lamp.
The present invention is provided with the screen process press of LED UV ink solidification light source, by described LED UV light emitting module and/or described LED UV luminescence-utraviolet lamp pearl, be fixed on heat-conducting glue and can lead to water-cooled power circuit thereon and again connect, after parallel connection, both sides add epipleural and cover plate is assembled into independently LED UV ink solidification light source, again LED UV ink solidification light source is installed between printing machine colour cell, light-emitting area aims at the printing surface of printed matter, make the ultraviolet spectrogram making it solidify that its UV absorption of inks is correct, rapid solidification, reach solidifying requirements, reduce costs, improve printing machine to the printing efficiency of UV print product.
The screen process press being provided with LED UV ink solidification light source provided by the invention, because the quantity of ultra-violet light-emitting semiconductor and the quantity of LED UV ink solidification light source all can adjust, and ultra-violet light-emitting semiconductor and LED UV ink solidification light source all can control separately, thus the length of light-emitting zone can be regulated according to the requirement of printed matter, also can the length of wavelength regulation light-emitting zone needed for UV ink, reach better ink solidification effect.
LED power consumption: single illuminator 3W is 4 ~ 5KW through being combined into its power of UV (ultraviolet) solidified cell.Traditional UV solidified cell (mercury lamp) is 21KW, every platform printing machine (with 6 look machines) needs 6 solidified cells, traditional UV solidified cell (mercury lamp) 6*21KW needs 126KW, and LED UV power consumption only needs 6*4 ~ 5KW (with 6 look machines) to need 24 ~ 30KW, save 96 ~ 102KW with LED UV solidified cell comparable traditional UV (mercury lamp) per hour.If every day was by 20 hours, every platform printing machine LED UV (ultraviolet) and traditional UV (mercury lamp) can save 2000 degree of electricity.
LED UV (ultraviolet) heavy metal free mercury, iron, pollution-free to air, and traditional UV (ultraviolet mercury lamp) its fluorescent tube inner chamber must add toxic gas and the metals such as mercury, iron, argon gas.It needs high pressure, high temperature (1600V-2000V) etc. by lamp tube starting, could to be atomized the high temperature produced all harmful to air, human body, equipment etc., and to need preheating just can reach the solidifying requirements of ultraviolet (UV) to ink in 10 minutes time luminous.LED UV (ultraviolet) does not then need preheating time, lights and can reach the solidifying requirements of ultraviolet to 200nm-400nm UV ink instantaneously.Both can save more again 9.6 degree electricity/minute.
LED UV (ultraviolet) life-span grows (about 25000 hours-30000 hours) especially.Regular maintenance only needs the illuminator changing broken parts, do not need whole replacing, and the life-span of traditional UV etc. (mercury lamp) only has 800 hours to 1500 hours, damage will the new UV lamp (mercury lamp) of integral replacing, and heavy metal Hg wherein and pernicious gas cause beyond measure destruction to environment.
LED UV (ultraviolet) can reach the useful spectrum of 60%-80% to UV ink solidification efficiency.Only have the infrared ray of about 5%, about 15% other veiling glare; And traditional ultraviolet (UV) lamp (mercury lamp) has the useful spectrum of 15%-20% to UV ink solidification effect, wherein have the infrared ray of 50%-60%, about 15% other veiling glare.
The beneficial effect that the present invention reaches is:
The screen process press being provided with LED UV ink solidification light source provided by the invention, overcome the drawback that tradition is provided with the screen process press of UV mercury lamp, power is low, saves electric energy; Do not produce mercury and pernicious gas, avoid human body and environmental pollution; Required voltage is low, avoids producing production safety problem; Without the need to preheating during use, long service life, can reach 25000 ~ 30000 hours; Because of without high temperature, do not need without the need to preheating to install shutter part additional, be reduced to product cost.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 a is the structural representation of LED UV luminescence-utraviolet lamp pearl;
Fig. 1 b is the side-looking structural representation of Fig. 1 a;
Fig. 2 is the structural representation of the power circuit substrate being provided with some LED UV luminescence-utraviolet lamp pearls;
Fig. 3 is the structural representation of LED UV light emitting module;
Fig. 4 is the structural representation of the power circuit substrate being provided with some LED UV light emitting modules;
Fig. 5 is the structural representation of power circuit substrate;
Fig. 6 is the structural representation of screen process press.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Please refer to Fig. 1 to Fig. 6, a kind of screen process press being provided with LED UV ink solidification light source of the present invention, it comprises:
Frame 10, described frame 10 is provided with some printing machine colour cells 20, is provided with some LED UV ink solidification light sources 30 between described printing machine colour cell 20, and the light-emitting area of some described LED UV ink solidification light sources 30 aims at the printing surface of printed matter;
Described LED UV ink solidification light source 30 comprises power circuit substrate 1, described power circuit substrate 1 is provided with LED UV light emitting module 2 and/or LED UV luminescence-utraviolet lamp pearl 3; Described LED UV light emitting module 2 and described LED UV luminescence-utraviolet lamp pearl 3 all consist of several ultra-violet light-emitting semiconductors 4; Described ultra-violet light-emitting semiconductor 4 is LED ultraviolet light emitting device, and the wave-length coverage of its luminescence is 200nm ~ 500nm.
Described LED UV light emitting module 2 and described LED UV luminescence-utraviolet lamp pearl 3 are all fixed on described power circuit substrate 1 by heat-conducting glue;
Ultra-violet light-emitting semiconductor 4 described in several forms a LED UV light emitting module 2, described in several, LED UV light emitting module 2 is arranged on power circuit substrate 1, load onto two side plates in the both sides of power circuit substrate 1, cover back shroud, form complete LED UV ink solidification light source; Reach the solidifying requirements to screen process press UV ink printing.
Or, ultra-violet light-emitting semiconductor 4 described in several forms a circular LED UV luminescence-utraviolet lamp pearl 3, described in several, LED UV luminescence-utraviolet lamp pearl 3 is arranged on power circuit substrate 1, two side plates are loaded onto in the both sides of power circuit substrate 1, cover back shroud, form complete LED UV ink solidification light source, reach the solidifying requirements to screen process press UV ink printing.
In the present embodiment, LED UV light emitting module 2 described in several and described LED UV luminescence-utraviolet lamp pearl 3 are all integrated on described power circuit substrate 1 by the mode of series and parallel connections.
Described power circuit substrate 1 is provided with limbers 5, is provided with water stream channel in described power circuit substrate 1, the water stream channel in described power circuit substrate is rectangular channel-shaped water stream channel.
State on power circuit substrate 1 and be also provided with driving power, described driving power is for the adjustment of the ultraviolet energy of control LED ultra-violet light-emitting semiconductor.
More preferably, the wavelength of described ultra-violet light-emitting semiconductor light emitting is 250nm ~ 400nm.
The cross section of described limbers 5 is circular or rectangle, water stream channel in described power circuit substrate 1 is rectangular channel-shaped water stream channel, the area of water flowing can be increased greatly, the water amount water flowing compared to existing technology of cooling water adds several times, and therefore LED UV light source causes LED UV semiconductor to damage because producing high temperature never again.
The present invention can assemble according to the solidifying requirements of printing machine UV ink, drives with constant-current driving power supply, can consolidation zone needed for print product UV ink, regulates length and the luminous power of the luminescence of LED UV lamp.
The present invention is provided with the screen process press of LED UV ink solidification light source, by described LED UV light emitting module and/or described LED UV luminescence-utraviolet lamp pearl, be fixed on heat-conducting glue and can lead to water-cooled power circuit thereon and again connect, after parallel connection, both sides add epipleural and cover plate is assembled into independently LED UV ink solidification light source, again LED UV ink solidification light source is installed between printing machine colour cell, light-emitting area aims at the printing surface of printed matter, make the ultraviolet spectrogram making it solidify that its UV absorption of inks is correct, rapid solidification, reach solidifying requirements, reduce costs, improve printing machine to the printing efficiency of UV print product.
The screen process press being provided with LED UV ink solidification light source provided by the invention, because the quantity of ultra-violet light-emitting semiconductor and the quantity of LED UV ink solidification light source all can adjust, and ultra-violet light-emitting semiconductor and LED UV ink solidification light source all can control separately, thus the length of light-emitting zone can be regulated according to the requirement of printed matter, also can the length of wavelength regulation light-emitting zone needed for UV ink, reach better ink solidification effect.
LED power consumption: single illuminator 3W is 4 ~ 5KW through being combined into its power of UV (ultraviolet) solidified cell.Traditional UV solidified cell (mercury lamp) is 21KW, every platform printing machine (with 6 look machines) needs 6 solidified cells, traditional UV solidified cell (mercury lamp) 6*21KW needs 126KW, and LED UV power consumption only needs 6*4 ~ 5KW (with 6 look machines) to need 24 ~ 30KW, save 96 ~ 102KW with LED UV solidified cell comparable traditional UV (mercury lamp) per hour.If every day was by 20 hours, every platform printing machine LED UV (ultraviolet) and traditional UV (mercury lamp) can save 2000 degree of electricity.
LED UV (ultraviolet) heavy metal free mercury, iron, pollution-free to air, and traditional UV (ultraviolet mercury lamp) its fluorescent tube inner chamber must add toxic gas and the metals such as mercury, iron, argon gas.It needs high pressure, high temperature (1600V-2000V) etc. by lamp tube starting, could to be atomized the high temperature produced all harmful to air, human body, equipment etc., and to need preheating just can reach the solidifying requirements of ultraviolet (UV) to ink in 10 minutes time luminous.LED UV (ultraviolet) does not then need preheating time, lights and can reach the solidifying requirements of ultraviolet to 200nm-400nm UV ink instantaneously.Both can save more again 9.6 degree electricity/minute.
LED UV (ultraviolet) life-span grows (about 25000 hours-30000 hours) especially.Regular maintenance only needs the illuminator changing broken parts, do not need whole replacing, and the life-span of traditional UV etc. (mercury lamp) only has 800 hours to 1500 hours, damage will the new UV lamp (mercury lamp) of integral replacing, and heavy metal Hg wherein and pernicious gas cause beyond measure destruction to environment.
LED UV (ultraviolet) can reach the useful spectrum of 60%-80% to UV ink solidification efficiency.Only have the infrared ray of about 5%, about 15% other veiling glare; And traditional ultraviolet (UV) lamp (mercury lamp) has the useful spectrum of 15%-20% to UV ink solidification effect, wherein have the infrared ray of 50%-60%, about 15% other veiling glare.
The screen process press being provided with LED UV ink solidification light source provided by the invention, overcome the drawback that tradition is provided with the screen process press of UV mercury lamp, power is low, saves electric energy; Do not produce mercury and pernicious gas, avoid human body and environmental pollution; Required voltage is low, avoids producing production safety problem; Without the need to preheating during use, long service life, can reach 25000 ~ 30000 hours; Because of without high temperature, do not need without the need to preheating to install shutter part additional, be reduced to product cost.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present invention, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. be provided with a screen process press for LED UV ink solidification light source, it is characterized in that, comprising:
Frame, described frame is provided with some printing machine colour cells, is provided with some LED UV ink solidification light sources between described printing machine colour cell, and the light-emitting area of some described LED UV ink solidification light sources aims at the printing surface of printed matter;
Described LED UV ink solidification light source comprises power circuit substrate, described power circuit substrate is provided with LED UV light emitting module and/or LED UV luminescence-utraviolet lamp pearl;
Described LED UV light emitting module and described LED UV luminescence-utraviolet lamp pearl all consist of several ultra-violet light-emitting semiconductors;
Described ultra-violet light-emitting semiconductor is LED ultraviolet light emitting device, and the wave-length coverage of its luminescence is 200nm ~ 500nm.
2. the screen process press being provided with LED UV ink solidification light source according to claim 1, is characterized in that, described LED UV light emitting module and described LED UV luminescence-utraviolet lamp pearl are all fixed on described power circuit substrate by heat-conducting glue.
3. the screen process press being provided with LED UV ink solidification light source according to claim 1, it is characterized in that, LED UV light emitting module described in several and described LED UV luminescence-utraviolet lamp pearl are all integrated on described power circuit substrate by the mode of series and parallel connections.
4. the screen process press being provided with LED UV ink solidification light source according to claim 1, it is characterized in that, described power circuit substrate is provided with limbers, is provided with water stream channel in described power circuit substrate, the water stream channel in described power circuit substrate is rectangular channel-shaped water stream channel.
5. the screen process press being provided with LED UV ink solidification light source according to claim 1, is characterized in that, described power circuit substrate is also provided with driving power, and described driving power is for the adjustment of the ultraviolet energy of control LED ultra-violet light-emitting semiconductor.
6. the screen process press being provided with LED UV ink solidification light source according to claim 1, is characterized in that, the wavelength of described ultra-violet light-emitting semiconductor light emitting is 250nm ~ 400nm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410837036.5A CN104589784A (en) | 2014-12-29 | 2014-12-29 | Screen printer with LED UV ink curing light sources |
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| CN201410837036.5A CN104589784A (en) | 2014-12-29 | 2014-12-29 | Screen printer with LED UV ink curing light sources |
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| CN104589784A true CN104589784A (en) | 2015-05-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626809A (en) * | 2016-12-20 | 2017-05-10 | 李星 | Printing ink curing device and carriage unit mechanism of ink-jet printer |
| CN106739471A (en) * | 2017-02-27 | 2017-05-31 | 卢振华 | A kind of ultraviolet LED solidification equipment |
| CN106799342A (en) * | 2017-04-11 | 2017-06-06 | 东莞亿万照明科技有限公司 | A kind of photocuring mechanism |
| CN108146066A (en) * | 2018-03-12 | 2018-06-12 | 新东方油墨有限公司 | UV-LED curing modules |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106626809A (en) * | 2016-12-20 | 2017-05-10 | 李星 | Printing ink curing device and carriage unit mechanism of ink-jet printer |
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