CN104129160B - A kind of LED UV light source for sheet-fed offset press UV ink solidification - Google Patents
A kind of LED UV light source for sheet-fed offset press UV ink solidification Download PDFInfo
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- CN104129160B CN104129160B CN201410314891.8A CN201410314891A CN104129160B CN 104129160 B CN104129160 B CN 104129160B CN 201410314891 A CN201410314891 A CN 201410314891A CN 104129160 B CN104129160 B CN 104129160B
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Abstract
Does the present invention disclose a kind of LED for sheet-fed offset press UV ink solidification? UV light source, it comprises substrate, and substrate is provided with some luminous modules; Luminous module is integrated with some ultra-violet light-emitting monomers; Ultra-violet light-emitting monomer is LED ultra-violet light-emitting semi-conductor, and the wavelength region of its luminescence is 200nm��450nm; Luminous module is fixed on substrate by heat-conducting glue; Some ultra-violet light-emitting monomers are integrated in luminous module by the mode of series and parallel connections; Do are some luminous modules fixed on substrate by the mode of series and parallel connections, and add cover plate and side plate composition LED? UV solidified cell; Instant invention overcomes the drawback of tradition UV mercury lamp, power is low, saves energy; Do not produce mercury and other obnoxious flavoures, avoid human body and environmental pollution; Required voltage is low, avoids producing production safety problem; Without the need to preheating during use, it may also be useful to the life-span is long, 25000��30000 hours can be reached; Because of without high temperature, it is not necessary to preheating and do not need to install additional shutter part, decrease into product cost.
Description
Technical field
The present invention relates to a kind of LEDUV light source for sheet-fed offset press UV ink solidification.
Background technology
Traditional solvent type ink printing need to be dried through mode that is air-dry or infrared drying, often needs several minutes even time of drying of tens of hours, and the printing quality problems such as dirty are such as glued in so easy generation. And adopt UV (Ultraviolet, it is called for short UV, i.e. ultraviolet) ink enforcement printing, under the radiation of UV-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 height, adapt to high speed printing especially, and all kinds of printable fabric has good absorption and mechanical property, and therefore, UV ink printing is widely used nowadays. 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 UV-light of 200��450nm.
At present, the solidification of offset press printing ink is all the UV mercury lamp adopting and adding iron mercury and other obnoxious flavour by the printing of traditional gold card, silver card, plastic sheet. But, this kind also exists following problem for the UV mercury lamp of curing inks: (1) is in UV mercury lamp, mercury containing heavy metal, iron and obnoxious flavour, its injury to topsoil, to human body and equipment is relatively more serious, and harm operator's is healthy; (2) traditional UV mercury lamp, main employing 1500V-2000V high drive, normal for often propping up about 20KW, it converts the useful power that ink plays solidification effect to and only has 1/10th, and necessary preheating, practical life is 1000 hours only, scrap the heavy metal mercury in rear fluorescent tube, iron and add argon gas wherein and environment causes irredeemable injury; (3) UV mercury lamp just need to can send ultraviolet after being atomized by the mercury in pipe chamber, temperature needs more than 600 DEG C, wherein there is the ultraviolet only 15%-25% for UV ink solidification, there is the infrared rays of more than 50%, thermal discharge is big, has very big harm (4) UV mercury lamp to make reason because of it 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 regulate according to the length of the spectrum required for UV ink solidification and printing breadth and be sent ultraviolet to the spectrum needed for UV ink solidification, the length of the solidification breadth needed for printed matter UV ink can not be regulated, cause very big energy dissipation.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, it is provided that a kind of temperature is low, the LEDUV light source for sheet-fed offset press UV ink solidification of ozone free, energy-saving consumption-reducing.
In order to solve the problems of the technologies described above, the present invention provides following technical scheme:
A kind of LEDUV light source for sheet-fed offset press UV ink solidification of the present invention, it comprises substrate, and described substrate is provided with some luminous modules, and described luminous module is integrated with some ultra-violet light-emitting semi-conductors; Described ultra-violet light-emitting semi-conductor is LED ultraviolet light emitting device, and the wavelength region of its luminescence is 200nm��450nm.
Further, described luminous module is fixing on the substrate by heat-conducting glue.
Further, the described luminous module installation on described substrate has 30��50.
Further, some described ultra-violet light-emitting monomers are integrated in described luminous module by the mode of series and parallel connections.
Further, some described luminous modules are fixing on the substrate by the mode of series and parallel connections, and add cover plate and side plate composition LEDUV solidified cell.
Further, in order to reach better solidification effect and curing speed, the wavelength of described ultra-violet light-emitting monomer luminescence is set to 200nm��450nm.
Further, described substrate is provided with water flowing hole, described water flowing hole is strip grooved, the cross section in described water flowing hole is arc or rectangle, the area of water flowing can be increased greatly, the water flowing compared to existing technology of the water amount of water coolant adds several times, and therefore LEDUV light source causes LEDUV semi-conductor to damage because producing high temperature never again.
The present invention is used for the LEDUV light source of sheet-fed offset press UV ink solidification, adopts two kinds of patterns. The first synthesizes a luminescence-utraviolet module with ultra-violet light-emitting semiconductor group, then becomes the ultraviolet of a long shape to the solidified cell of UV ink with module assembled. This UV (ultraviolet) solidified cell is installed between offset press colour cell and offset press collection fore portion, plays UV (ultraviolet) to the fast setting of ink.
2nd kind is form single UV-lamp pearl with multiple ultra-violet light-emitting semi-conductor, then is combined into a luminescence-utraviolet module by single UV-lamp pearl, then the ultraviolet forming a long shape with luminescence-utraviolet module is to the solidified cell of UV ink. This UV (ultraviolet) solidified cell is installed between offset press colour cell and offset press collection fore portion, plays UV (ultraviolet) to the fast setting (drying) of UV ink.
The present invention is used for the LEDUV light source of sheet-fed offset press UV ink solidification, the light emitting semiconductor device that employing can send 200nm-450nm assembles, adopt the mode of series and parallel connections to form a module, then form rectangular luminescence-utraviolet unit lamp panel by multiple module. Can assemble according to the solidifying requirements of offset press UV ink. Drive with constant-current driving power supply, can consolidation zone needed for print product UV ink, regulate length and the luminous power of LEDUV lamp luminescence.
The present invention is used for the LEDUV light source of sheet-fed offset press UV ink solidification, it is by the luminescence-utraviolet module of series and parallel connections, it is fixed on after leading to above water-cooled aluminium section bar again series, parallel with heat-conducting glue, both sides add latus superius and cover plate is assembled into LEDUV lamp panel, again LEDUV lamp panel is installed between offset press colour cell, the printing surface of light-emitting area alignment printed matter, the ultraviolet spectrogram making it solidify making its UV absorption of inks correct, rapid solidification, reach solidifying requirements, reduce costs, it is to increase offset press is to the printing efficiency of UV print product.
LEDUV light source for sheet-fed offset press UV ink solidification provided by the invention, owing to the quantity of ultra-violet light-emitting semi-conductor and the quantity of luminous module all can adjust, and ultra-violet light-emitting semi-conductor and luminous module 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 adjustment light-emitting zone needed for UV ink, reach better ink solidification effect.
LED power consumption: single twinkler 3W is 4��5KW through being combined into UV (ultraviolet) its power of solidified cell. Traditional UV solidified cell (mercury lamp) is 21KW, every platform offset press (with 6 look machines) needs 6 solidified cells, traditional UV solidified cell (mercury lamp) 6*21KW needs 126KW, and LEDUV power consumption only needs 6*4��5KW (with 6 look machines) to need 24��30KW, save 96��102KW with LEDUV solidified cell comparable tradition UV (mercury lamp) per hour. If every day was by 20 hours, every platform offset press LEDUV (ultraviolet) and traditional UV (mercury lamp) can save 2000 degree of electricity.
LEDUV (ultraviolet) heavy metal free mercury, iron, air is pollution-free, 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 air, human body, equipment etc. are all harmful, and need preheating within 10 minutes, just can reach ultraviolet (UV) to the solidifying requirements of ink time luminous. LEDUV (ultraviolet) does not then need warm up time, lights and can reach ultraviolet to the solidifying requirements of 200nm-400nmUV ink instantaneously. Both compare and can save 9.6 degree electricity/minute.
LEDUV (ultraviolet) life-span grows (about 25000 hours-30000 hours) especially. Routine maintenance only needs to change the twinkler of broken parts, do not need whole replacing, and only 800 hours to the 1500 hours life-span of traditional UV etc. (mercury lamp), damage will the new UV lamp (mercury lamp) of integral replacing, environment is caused beyond measure destruction by heavy metal Hg and obnoxious flavour wherein.
UV ink solidification efficiency can be reached the useful spectrum of 60%-80% by LEDUV (ultraviolet). Only have the infrared rays of about 5%, other veiling glare of about 15%; And UV ink solidification effect is had the useful spectrum of 15%-20% by traditional ultraviolet (UV) lamp (mercury lamp), wherein there are the infrared rays of 50%-60%, other veiling glare of about 15%.
The useful effect that the present invention reaches is:
LEDUV ultraviolet light source for sheet-fed offset press UV ink solidification provided by the invention, overcomes the drawback of tradition UV mercury lamp, and power is low, saves energy; Do not produce mercury and obnoxious flavour, avoid human body and environmental pollution; Required voltage is low, avoids producing production safety problem; Without the need to preheating during use, it may also be useful to the life-span is long, 25000��30000 hours can be reached; Because of without high temperature, it is not necessary to preheating and do not need to install additional shutter part, 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 specification sheets, 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 is the structural representation of the present invention;
Fig. 2 is the structural representation of luminous module;
Fig. 3 is the structural representation of substrate.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, it will be appreciated that preferred embodiment described herein, only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1 to Figure 3, a kind of LEDUV light source for sheet-fed offset press UV ink solidification of the present invention, it comprises substrate 1, and described substrate 1 is provided with 30��50 luminous modules 2, and described luminous module 2 is integrated with some ultra-violet light-emitting semi-conductors 3; Described ultra-violet light-emitting monomer 3 is LED ultraviolet light emitting device, and the wavelength region of its luminescence is 200nm��450nm.
Described luminous module 2 is fixed on described substrate 1 by heat-conducting glue.
Some described ultra-violet light-emitting semi-conductors 3 are integrated in described luminous module 2 by the mode of series and parallel connections.
Some described luminous modules 2 are fixed on described substrate 1 by the mode of series and parallel connections, and add cover plate and side plate composition LEDUV solidified cell.
Described substrate 1 is provided with water flowing hole 4, described water flowing hole 4 is strip grooved, the cross section in described water flowing hole 4 is arc or rectangle, the area of water flowing can be increased greatly, the water flowing compared to existing technology of the water amount of water coolant adds several times, and therefore LEDUV light source causes LEDUV semi-conductor to cross thermal spalling because producing high temperature never again.
The present invention is used for the LEDUV ultraviolet light source of sheet-fed offset press UV ink solidification, adopts two kinds of patterns. The first synthesizes a luminescence-utraviolet module with ultra-violet light-emitting semiconductor group, then becomes the ultraviolet of a long shape to the solidified cell of UV ink with module assembled. This UV (ultraviolet) solidified cell is installed between offset press colour cell and offset press collection fore portion, plays UV (ultraviolet) to the fast setting of ink.
2nd kind is form single UV-lamp pearl with multiple ultra-violet light-emitting semi-conductor, then is combined into a luminescence-utraviolet module by single UV-lamp pearl, then the ultraviolet forming a long shape with luminescence-utraviolet module is to the solidified cell of UV ink. This UV (ultraviolet) solidified cell is installed between offset press colour cell and offset press collection fore portion, plays UV (ultraviolet) to the fast setting (drying) of UV ink.
The present invention is used for the LEDUV light source of sheet-fed offset press UV ink solidification, the light emitting semiconductor device that employing can send 200nm-450nm assembles, adopt the mode of series and parallel connections to form a module, then form rectangular luminescence-utraviolet unit lamp panel by multiple module. Can assemble according to the solidifying requirements of offset press UV ink. Drive with constant-current driving power supply, can consolidation zone needed for print product UV ink, regulate length and the luminous power of LEDUV lamp luminescence.
The present invention is used for the LEDUV light source of sheet-fed offset press UV ink solidification, it is by the luminescence-utraviolet module of series and parallel connections, it is fixed on after leading to above water-cooled aluminium section bar again series, parallel with heat-conducting glue, both sides add latus superius and cover plate is assembled into LEDUV lamp panel, again LEDUV lamp panel is installed between offset press colour cell, the printing surface of light-emitting area alignment printed matter, the ultraviolet spectrogram making it solidify making its UV absorption of inks correct, rapid solidification, reach solidifying requirements, reduce costs, it is to increase offset press is to the printing efficiency of UV product.
LEDUV ultraviolet light source for sheet-fed offset press UV ink solidification provided by the invention, owing to the quantity of ultra-violet light-emitting monomer and the quantity of luminous module all can adjust, and ultra-violet light-emitting monomer and luminous module 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 adjustment light-emitting zone needed for UV ink, reach better ink solidification effect.
Upper table be the present invention with traditional UV mercury lamp compare figure, as can be seen from the above table, the LEDUV light source for the solidification of sheet-fed offset press printing ink provided by the invention, overcomes the drawback of tradition UV mercury lamp, and power is low, saves energy; Do not produce mercury and other obnoxious flavoures, avoid human body and environmental pollution; Voltage is 24V safety voltage, avoids producing production safety problem; Without the need to preheating during use, it may also be useful to the life-span is long, 25000��30000 hours can be reached; Because of without high temperature, it is not necessary to preheating and do not need to install additional shutter part, be reduced to product cost.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is 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, technical scheme described in foregoing embodiments still can be modified by it, or wherein part technology feature carries out equivalent replacement. All within the spirit of the present invention, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the LEDUV light source for sheet-fed offset press UV ink solidification, it is characterised in that, comprise substrate, described substrate is provided with some luminous modules, described luminous module is integrated with some ultra-violet light-emitting semi-conductors, described ultra-violet light-emitting semi-conductor is LED ultraviolet light emitting device, the wavelength region of its luminescence is 200nm��450nm, LEDUV light source constant-current driving power supply drives, voltage is 24V, described luminous module is fixing on the substrate by heat-conducting glue, described luminous module installation on substrate has 30��50, some described ultra-violet light-emitting semi-conductors are integrated in described luminous module by the mode of series and parallel connections, described luminous module is fixing on the substrate by the mode of series and parallel connections, described substrate is provided with water flowing hole, described water flowing hole is strip grooved, the cross section in described water flowing hole is arc or rectangle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410314891.8A CN104129160B (en) | 2014-07-03 | 2014-07-03 | A kind of LED UV light source for sheet-fed offset press UV ink solidification |
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| CN201410314891.8A CN104129160B (en) | 2014-07-03 | 2014-07-03 | A kind of LED UV light source for sheet-fed offset press UV ink solidification |
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| CN104129160B true CN104129160B (en) | 2016-06-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104589784A (en) * | 2014-12-29 | 2015-05-06 | 无锡网圣优威科技有限公司 | Screen printer with LED UV ink curing light sources |
| CN104741302A (en) * | 2014-12-29 | 2015-07-01 | 无锡网圣优威科技有限公司 | UV oil paint solidification device for spraying industry |
| CN104553297A (en) * | 2014-12-29 | 2015-04-29 | 无锡网圣优威科技有限公司 | LED UV light source used for solidifying flexible or rotation or trademark printing machine UV printing ink |
| CN105856828A (en) * | 2016-03-29 | 2016-08-17 | 深圳市虎成科技有限公司 | PCB ink curing method and curing machine |
| CN106671566A (en) * | 2016-11-11 | 2017-05-17 | 长兴海普机械科技有限公司 | Offset printer with enhanced drying system |
| CN106739465A (en) * | 2016-12-19 | 2017-05-31 | 上海舜哲机电科技有限公司 | A kind of LED chip |
| CN106739469A (en) * | 2017-02-07 | 2017-05-31 | 深圳市邦钰机电设备有限公司 | Non-pole light regulating printing machine and cure system based on LED UV |
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| CN102700246A (en) * | 2012-06-05 | 2012-10-03 | 无锡网圣优威科技有限公司 | LED UV printing ink curing equipment |
| CN203110513U (en) * | 2013-02-04 | 2013-08-07 | 深圳市蓝谱里克科技有限公司 | Mixed-wavelength ultraviolet light-emitting diode (UV LED) light source device for solidifying traditional UV printing ink |
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Patent Citations (5)
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|---|---|---|---|---|
| CN101237996A (en) * | 2005-07-13 | 2008-08-06 | 赛佩荷兰服务有限公司 | Coated paper for sheet-fed offset printing |
| CN101314272A (en) * | 2007-05-31 | 2008-12-03 | 小森公司 | Sheet-fed printing press |
| CN102285213A (en) * | 2011-05-05 | 2011-12-21 | 刘洪生 | Ultraviolet drying lampshade |
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